| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 509648 |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.cairo.*; |
| import org.eclipse.swt.internal.gtk.*; |
| |
| /** |
| * Instances of this class implement a selectable user interface |
| * object that displays a list of images and strings and issues |
| * notification when selected. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>TableItem</code>. |
| * </p><p> |
| * Style <code>VIRTUAL</code> is used to create a <code>Table</code> whose |
| * <code>TableItem</code>s are to be populated by the client on an on-demand basis |
| * instead of up-front. This can provide significant performance improvements for |
| * tables that are very large or for which <code>TableItem</code> population is |
| * expensive (for example, retrieving values from an external source). |
| * </p><p> |
| * Here is an example of using a <code>Table</code> with style <code>VIRTUAL</code>:</p> |
| * <pre><code> |
| * final Table table = new Table (parent, SWT.VIRTUAL | SWT.BORDER); |
| * table.setItemCount (1000000); |
| * table.addListener (SWT.SetData, new Listener () { |
| * public void handleEvent (Event event) { |
| * TableItem item = (TableItem) event.item; |
| * int index = table.indexOf (item); |
| * item.setText ("Item " + index); |
| * System.out.println (item.getText ()); |
| * } |
| * }); |
| * </code></pre> |
| * <p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not normally make sense to add <code>Control</code> children to |
| * it, or set a layout on it, unless implementing something like a cell |
| * editor. |
| * </p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION, VIRTUAL, NO_SCROLL</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection, DefaultSelection, SetData, MeasureItem, EraseItem, PaintItem</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles SINGLE, and MULTI may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#table">Table, TableItem, TableColumn snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class Table extends Composite { |
| long modelHandle, checkRenderer; |
| int itemCount, columnCount, lastIndexOf, sortDirection; |
| int selectionCountOnPress,selectionCountOnRelease; |
| long ignoreCell; |
| TableItem [] items; |
| TableColumn [] columns; |
| TableItem currentItem; |
| TableColumn sortColumn; |
| ImageList imageList, headerImageList; |
| boolean firstCustomDraw; |
| /** True iff computeSize has never been called on this Table */ |
| boolean firstCompute = true; |
| int drawState, drawFlags; |
| GdkRGBA background, foreground, drawForegroundRGBA; |
| Color headerBackground, headerForeground; |
| String headerCSSBackground, headerCSSForeground; |
| boolean ownerDraw, ignoreSize, ignoreAccessibility, pixbufSizeSet, hasChildren; |
| int maxWidth = 0; |
| int topIndex; |
| double cachedAdjustment, currentAdjustment; |
| int pixbufHeight, pixbufWidth; |
| int headerHeight; |
| boolean boundsChangedSinceLastDraw, headerVisible, wasScrolled; |
| boolean rowActivated; |
| |
| static final int CHECKED_COLUMN = 0; |
| static final int GRAYED_COLUMN = 1; |
| static final int FOREGROUND_COLUMN = 2; |
| static final int BACKGROUND_COLUMN = 3; |
| static final int FONT_COLUMN = 4; |
| static final int FIRST_COLUMN = FONT_COLUMN + 1; |
| static final int CELL_PIXBUF = 0; |
| static final int CELL_TEXT = 1; |
| static final int CELL_FOREGROUND = 2; |
| static final int CELL_BACKGROUND = 3; |
| static final int CELL_FONT = 4; |
| static final int CELL_TYPES = CELL_FONT + 1; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * and a style value describing its behavior and appearance. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#SINGLE |
| * @see SWT#MULTI |
| * @see SWT#CHECK |
| * @see SWT#FULL_SELECTION |
| * @see SWT#HIDE_SELECTION |
| * @see SWT#VIRTUAL |
| * @see SWT#NO_SCROLL |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Table (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| @Override |
| void _addListener (int eventType, Listener listener) { |
| super._addListener (eventType, listener); |
| if (!ownerDraw) { |
| switch (eventType) { |
| case SWT.MeasureItem: |
| case SWT.EraseItem: |
| case SWT.PaintItem: |
| ownerDraw = true; |
| recreateRenderers (); |
| break; |
| } |
| } |
| } |
| |
| TableItem _getItem (int index) { |
| if ((style & SWT.VIRTUAL) == 0) return items [index]; |
| if (items [index] != null) return items [index]; |
| return items [index] = new TableItem (this, SWT.NONE, index, false); |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * Feature in Windows. Even when WS_HSCROLL or |
| * WS_VSCROLL is not specified, Windows creates |
| * trees and tables with scroll bars. The fix |
| * is to set H_SCROLL and V_SCROLL. |
| * |
| * NOTE: This code appears on all platforms so that |
| * applications have consistent scroll bar behavior. |
| */ |
| if ((style & SWT.NO_SCROLL) == 0) { |
| style |= SWT.H_SCROLL | SWT.V_SCROLL; |
| } |
| /* GTK is always FULL_SELECTION */ |
| style |= SWT.FULL_SELECTION; |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| @Override |
| long cellDataProc (long tree_column, long cell, long tree_model, long iter, long data) { |
| if (cell == ignoreCell) return 0; |
| long path = GTK.gtk_tree_model_get_path (tree_model, iter); |
| int [] index = new int [1]; |
| C.memmove (index, GTK.gtk_tree_path_get_indices (path), 4); |
| TableItem item = _getItem (index[0]); |
| GTK.gtk_tree_path_free (path); |
| if (item != null) OS.g_object_set_qdata (cell, Display.SWT_OBJECT_INDEX2, item.handle); |
| boolean isPixbuf = GTK.GTK_IS_CELL_RENDERER_PIXBUF (cell); |
| boolean isText = GTK.GTK_IS_CELL_RENDERER_TEXT (cell); |
| if (isText) { |
| GTK.gtk_cell_renderer_set_fixed_size (cell, -1, -1); |
| } |
| if (!(isPixbuf || isText)) return 0; |
| int modelIndex = -1; |
| boolean customDraw = false; |
| if (columnCount == 0) { |
| modelIndex = Table.FIRST_COLUMN; |
| customDraw = firstCustomDraw; |
| } else { |
| TableColumn column = (TableColumn) display.getWidget (tree_column); |
| if (column != null) { |
| modelIndex = column.modelIndex; |
| customDraw = column.customDraw; |
| } |
| } |
| if (modelIndex == -1) return 0; |
| boolean setData = false; |
| if ((style & SWT.VIRTUAL) != 0) { |
| if (!item.cached) { |
| lastIndexOf = index[0]; |
| setData = checkData (item); |
| } |
| } |
| long [] ptr = new long [1]; |
| if (setData) { |
| ptr [0] = 0; |
| if (isPixbuf) { |
| GTK.gtk_tree_model_get (tree_model, iter, modelIndex + CELL_PIXBUF, ptr, -1); |
| OS.g_object_set (cell, OS.gicon, ptr [0], 0); |
| if (ptr [0] != 0) OS.g_object_unref (ptr [0]); |
| } else { |
| GTK.gtk_tree_model_get (tree_model, iter, modelIndex + CELL_TEXT, ptr, -1); |
| if (ptr [0] != 0) { |
| OS.g_object_set (cell, OS.text, ptr [0], 0); |
| OS.g_free (ptr [0]); |
| } |
| } |
| } |
| if (customDraw) { |
| if (!ownerDraw) { |
| ptr [0] = 0; |
| GTK.gtk_tree_model_get (tree_model, iter, modelIndex + CELL_BACKGROUND, ptr, -1); |
| if (ptr [0] != 0) { |
| OS.g_object_set (cell, OS.cell_background_rgba, ptr[0], 0); |
| GDK.gdk_rgba_free (ptr [0]); |
| } |
| } |
| if (!isPixbuf) { |
| ptr [0] = 0; |
| GTK.gtk_tree_model_get (tree_model, iter, modelIndex + CELL_FOREGROUND, ptr, -1); |
| if (ptr [0] != 0) { |
| OS.g_object_set (cell, OS.foreground_rgba, ptr [0], 0); |
| GDK.gdk_rgba_free (ptr [0]); |
| } |
| ptr [0] = 0; |
| GTK.gtk_tree_model_get (tree_model, iter, modelIndex + CELL_FONT, ptr, -1); |
| if (ptr [0] != 0) { |
| OS.g_object_set (cell, OS.font_desc, ptr [0], 0); |
| OS.pango_font_description_free (ptr [0]); |
| } |
| } |
| } |
| if (setData) { |
| ignoreCell = cell; |
| setScrollWidth (tree_column, item); |
| ignoreCell = 0; |
| } |
| return 0; |
| } |
| |
| boolean checkData (TableItem item) { |
| if (item.cached) return true; |
| if ((style & SWT.VIRTUAL) != 0) { |
| item.cached = true; |
| Event event = new Event (); |
| event.item = item; |
| event.index = indexOf (item); |
| int mask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; |
| int signal_id = OS.g_signal_lookup (OS.row_changed, GTK.gtk_tree_model_get_type ()); |
| OS.g_signal_handlers_block_matched (modelHandle, mask, signal_id, 0, 0, 0, handle); |
| currentItem = item; |
| item.settingData = true; |
| sendEvent (SWT.SetData, event); |
| item.settingData = false; |
| //widget could be disposed at this point |
| currentItem = null; |
| if (isDisposed ()) return false; |
| OS.g_signal_handlers_unblock_matched (modelHandle, mask, signal_id, 0, 0, 0, handle); |
| if (item.isDisposed ()) return false; |
| } |
| return true; |
| } |
| |
| @Override |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the user changes the receiver's selection, by sending |
| * it one of the messages defined in the <code>SelectionListener</code> |
| * interface. |
| * <p> |
| * When <code>widgetSelected</code> is called, the item field of the event object is valid. |
| * If the receiver has the <code>SWT.CHECK</code> style and the check selection changes, |
| * the event object detail field contains the value <code>SWT.CHECK</code>. |
| * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. |
| * The item field of the event object is valid for default selection, but the detail field is not used. |
| * </p> |
| * |
| * @param listener the listener which should be notified when the user changes the receiver's selection |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener (SelectionListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Selection, typedListener); |
| addListener (SWT.DefaultSelection, typedListener); |
| } |
| |
| int calculateWidth (long column, long iter) { |
| GTK.gtk_tree_view_column_cell_set_cell_data (column, modelHandle, iter, false, false); |
| |
| /* |
| * Bug in GTK. The width calculated by gtk_tree_view_column_cell_get_size() |
| * always grows in size regardless of the text or images in the table. |
| * The fix is to determine the column width from the cell renderers. |
| */ |
| |
| //This workaround is causing the problem Bug 459834 in GTK3. So reverting the workaround for GTK3 |
| int [] width = new int [1]; |
| GTK.gtk_tree_view_column_cell_get_size (column, null, null, null, width, null); |
| long textRenderer = getTextRenderer (column); |
| int [] xpad = new int[1]; |
| if (textRenderer != 0) GTK.gtk_cell_renderer_get_padding(textRenderer, xpad, null); |
| return width [0] + xpad [0]*2; |
| } |
| |
| /** |
| * Clears the item at the given zero-relative index in the receiver. |
| * The text, icon and other attributes of the item are set to the default |
| * value. If the table was created with the <code>SWT.VIRTUAL</code> style, |
| * these attributes are requested again as needed. |
| * |
| * @param index the index of the item to clear |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SWT#VIRTUAL |
| * @see SWT#SetData |
| * |
| * @since 3.0 |
| */ |
| public void clear (int index) { |
| checkWidget (); |
| if (!(0 <= index && index < itemCount)) { |
| error(SWT.ERROR_INVALID_RANGE); |
| } |
| TableItem item = items [index]; |
| if (item != null) item.clear (); |
| } |
| |
| /** |
| * Removes the items from the receiver which are between the given |
| * zero-relative start and end indices (inclusive). The text, icon |
| * and other attributes of the items are set to their default values. |
| * If the table was created with the <code>SWT.VIRTUAL</code> style, |
| * these attributes are requested again as needed. |
| * |
| * @param start the start index of the item to clear |
| * @param end the end index of the item to clear |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SWT#VIRTUAL |
| * @see SWT#SetData |
| * |
| * @since 3.0 |
| */ |
| public void clear (int start, int end) { |
| checkWidget (); |
| if (start > end) return; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| if (start == 0 && end == itemCount - 1) { |
| clearAll(); |
| } else { |
| for (int i=start; i<=end; i++) { |
| TableItem item = items [i]; |
| if (item != null) item.clear(); |
| } |
| } |
| } |
| |
| /** |
| * Clears the items at the given zero-relative indices in the receiver. |
| * The text, icon and other attributes of the items are set to their default |
| * values. If the table was created with the <code>SWT.VIRTUAL</code> style, |
| * these attributes are requested again as needed. |
| * |
| * @param indices the array of indices of the items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SWT#VIRTUAL |
| * @see SWT#SetData |
| * |
| * @since 3.0 |
| */ |
| public void clear (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (indices.length == 0) return; |
| for (int i=0; i<indices.length; i++) { |
| if (!(0 <= indices [i] && indices [i] < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| } |
| for (int i=0; i<indices.length; i++) { |
| TableItem item = items [indices [i]]; |
| if (item != null) item.clear(); |
| } |
| } |
| |
| /** |
| * Clears all the items in the receiver. The text, icon and other |
| * attributes of the items are set to their default values. If the |
| * table was created with the <code>SWT.VIRTUAL</code> style, these |
| * attributes are requested again as needed. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SWT#VIRTUAL |
| * @see SWT#SetData |
| * |
| * @since 3.0 |
| */ |
| public void clearAll () { |
| checkWidget (); |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) item.clear(); |
| } |
| } |
| |
| @Override |
| Point computeSizeInPixels (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0; |
| if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0; |
| /* |
| * Set all the TableColumn buttons visible otherwise |
| * gtk_widget_get_preferred_size() will not take their size |
| * into account. |
| */ |
| if (firstCompute) { |
| for (int x = 0; x < columns.length; x++) { |
| TableColumn column = columns[x]; |
| if (column != null) GTK.gtk_widget_set_visible(column.buttonHandle, true); |
| } |
| firstCompute = false; |
| } |
| Point size = computeNativeSize (handle, wHint, hHint, changed); |
| /* |
| * In GTK 3, computeNativeSize(..) sometimes just returns the header |
| * height as height. In that case, calculate the table height based on |
| * the number of items in the table. |
| */ |
| if (hHint == SWT.DEFAULT && (size.y == getHeaderHeight()) || size.y == 0) { |
| size.y = getItemCount() * getItemHeight() + getHeaderHeight(); |
| } |
| /* |
| * Bug 465056: single column Tables have a very small initial width. |
| * Fix: set the width of the Table to the width of the widest |
| * TableItem. |
| */ |
| if (wHint == SWT.DEFAULT && size.x == 0 && columnCount == 0) { |
| size.x = maxWidth; |
| } |
| Rectangle trim = computeTrimInPixels (0, 0, size.x, size.y); |
| size.x = trim.width; |
| /* |
| * Feature in GTK: sometimes GtkScrolledWindow's with no scrollbars |
| * won't automatically adjust their size. This happens when a Table |
| * has a header, and the initial computed height was the height of |
| * the of the header. |
| * |
| * The fix is to increment the height by 1 in order to force a size |
| * update for the parent GtkScrollWindow, otherwise the headers |
| * will not be shown. This only happens once, see bug 546490. |
| */ |
| if (size.y == this.headerHeight && this.headerVisible && (style & SWT.NO_SCROLL) != 0) { |
| trim.height = trim.height + 1; |
| } |
| size.y = trim.height; |
| return size; |
| } |
| |
| void createColumn (TableColumn column, int index) { |
| int modelIndex = FIRST_COLUMN; |
| if (columnCount != 0) { |
| int modelLength = GTK.gtk_tree_model_get_n_columns (modelHandle); |
| boolean [] usedColumns = new boolean [modelLength]; |
| for (int i=0; i<columnCount; i++) { |
| int columnIndex = columns [i].modelIndex; |
| for (int j = 0; j < CELL_TYPES; j++) { |
| usedColumns [columnIndex + j] = true; |
| } |
| } |
| while (modelIndex < modelLength) { |
| if (!usedColumns [modelIndex]) break; |
| modelIndex++; |
| } |
| if (modelIndex == modelLength) { |
| long oldModel = modelHandle; |
| long [] types = getColumnTypes (columnCount + 4); // grow by 4 rows at a time |
| long newModel = GTK.gtk_list_store_newv (types.length, types); |
| if (newModel == 0) error (SWT.ERROR_NO_HANDLES); |
| long [] ptr = new long [1]; |
| int [] ptr1 = new int [1]; |
| for (int i=0; i<itemCount; i++) { |
| long newItem = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| if (newItem == 0) error (SWT.ERROR_NO_HANDLES); |
| GTK.gtk_list_store_append (newModel, newItem); |
| TableItem item = items [i]; |
| if (item != null) { |
| long oldItem = item.handle; |
| /* the columns before FOREGROUND_COLUMN contain int values, subsequent columns contain pointers */ |
| for (int j=0; j<FOREGROUND_COLUMN; j++) { |
| GTK.gtk_tree_model_get (oldModel, oldItem, j, ptr1, -1); |
| GTK.gtk_list_store_set (newModel, newItem, j, ptr1 [0], -1); |
| } |
| for (int j=FOREGROUND_COLUMN; j<modelLength; j++) { |
| GTK.gtk_tree_model_get (oldModel, oldItem, j, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, j, ptr [0], -1); |
| if (ptr [0] != 0) { |
| if (types[j] == GDK.GDK_TYPE_RGBA()) { |
| GDK.gdk_rgba_free(ptr[0]); |
| } |
| if (types [j] == OS.G_TYPE_STRING ()) { |
| OS.g_free ((ptr [0])); |
| } else if (types [j] == GDK.GDK_TYPE_PIXBUF()) { |
| OS.g_object_unref (ptr [0]); |
| } else if (types [j] == OS.PANGO_TYPE_FONT_DESCRIPTION()) { |
| OS.pango_font_description_free (ptr [0]); |
| } |
| } |
| } |
| GTK.gtk_list_store_remove (oldModel, oldItem); |
| OS.g_free (oldItem); |
| item.handle = newItem; |
| } else { |
| OS.g_free (newItem); |
| } |
| } |
| GTK.gtk_tree_view_set_model (handle, newModel); |
| setModel (newModel); |
| } |
| } |
| long columnHandle = GTK.gtk_tree_view_column_new (); |
| if (columnHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| if (index == 0 && columnCount > 0) { |
| TableColumn checkColumn = columns [0]; |
| createRenderers (checkColumn.handle, checkColumn.modelIndex, false, checkColumn.style); |
| } |
| createRenderers (columnHandle, modelIndex, index == 0, column == null ? 0 : column.style); |
| if ((style & SWT.VIRTUAL) == 0 && columnCount == 0) { |
| GTK.gtk_tree_view_column_set_sizing (columnHandle, GTK.GTK_TREE_VIEW_COLUMN_GROW_ONLY); |
| } else { |
| GTK.gtk_tree_view_column_set_sizing (columnHandle, GTK.GTK_TREE_VIEW_COLUMN_FIXED); |
| } |
| GTK.gtk_tree_view_column_set_resizable (columnHandle, true); |
| GTK.gtk_tree_view_column_set_clickable (columnHandle, true); |
| GTK.gtk_tree_view_column_set_min_width (columnHandle, 0); |
| GTK.gtk_tree_view_insert_column (handle, columnHandle, index); |
| /* |
| * Bug in GTK3. The column header has the wrong CSS styling if it is hidden |
| * when inserting to the tree widget. The fix is to hide the column only |
| * after it is inserted. |
| */ |
| if (columnCount != 0) GTK.gtk_tree_view_column_set_visible (columnHandle, false); |
| if (column != null) { |
| column.handle = columnHandle; |
| column.modelIndex = modelIndex; |
| } |
| if (!searchEnabled ()) { |
| GTK.gtk_tree_view_set_search_column (handle, -1); |
| } else { |
| /* Set the search column whenever the model changes */ |
| int firstColumn = columnCount == 0 ? FIRST_COLUMN : columns [0].modelIndex; |
| GTK.gtk_tree_view_set_search_column (handle, firstColumn + CELL_TEXT); |
| } |
| } |
| |
| @Override |
| void createHandle (int index) { |
| state |= HANDLE; |
| fixedHandle = OS.g_object_new (display.gtk_fixed_get_type (), 0); |
| if (fixedHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| gtk_widget_set_has_surface_or_window (fixedHandle, true); |
| scrolledHandle = GTK.gtk_scrolled_window_new (0, 0); |
| if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| long [] types = getColumnTypes (1); |
| modelHandle = GTK.gtk_list_store_newv (types.length, types); |
| if (modelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = GTK.gtk_tree_view_new_with_model (modelHandle); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| if ((style & SWT.CHECK) != 0) { |
| checkRenderer = GTK.gtk_cell_renderer_toggle_new (); |
| if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.g_object_ref (checkRenderer); |
| } |
| createColumn (null, 0); |
| GTK.gtk_container_add (fixedHandle, scrolledHandle); |
| GTK.gtk_container_add (scrolledHandle, handle); |
| |
| int mode = (style & SWT.MULTI) != 0 ? GTK.GTK_SELECTION_MULTIPLE : GTK.GTK_SELECTION_BROWSE; |
| long selectionHandle = GTK.gtk_tree_view_get_selection (handle); |
| GTK.gtk_tree_selection_set_mode (selectionHandle, mode); |
| GTK.gtk_tree_view_set_headers_visible (handle, false); |
| int hsp = (style & SWT.H_SCROLL) != 0 ? GTK.GTK_POLICY_AUTOMATIC : GTK.GTK_POLICY_NEVER; |
| int vsp = (style & SWT.V_SCROLL) != 0 ? GTK.GTK_POLICY_AUTOMATIC : GTK.GTK_POLICY_NEVER; |
| GTK.gtk_scrolled_window_set_policy (scrolledHandle, hsp, vsp); |
| if ((style & SWT.BORDER) != 0) GTK.gtk_scrolled_window_set_shadow_type (scrolledHandle, GTK.GTK_SHADOW_ETCHED_IN); |
| /* |
| * We enable fixed-height-mode for performance reasons (see bug 490203). |
| */ |
| if ((style & SWT.VIRTUAL) != 0) { |
| OS.g_object_set (handle, OS.fixed_height_mode, true, 0); |
| } |
| if (!searchEnabled ()) { |
| GTK.gtk_tree_view_set_search_column (handle, -1); |
| } |
| } |
| |
| void createItem (TableColumn column, int index) { |
| if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); |
| if (columnCount == 0) { |
| column.handle = GTK.gtk_tree_view_get_column (handle, 0); |
| GTK.gtk_tree_view_column_set_sizing (column.handle, GTK.GTK_TREE_VIEW_COLUMN_FIXED); |
| GTK.gtk_tree_view_column_set_visible (column.handle, false); |
| column.modelIndex = FIRST_COLUMN; |
| createRenderers (column.handle, column.modelIndex, true, column.style); |
| column.customDraw = firstCustomDraw; |
| firstCustomDraw = false; |
| } else { |
| createColumn (column, index); |
| } |
| long boxHandle = gtk_box_new (GTK.GTK_ORIENTATION_HORIZONTAL, false, 3); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| long labelHandle = GTK.gtk_label_new_with_mnemonic (null); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| long imageHandle = GTK.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| GTK.gtk_container_add (boxHandle, imageHandle); |
| GTK.gtk_container_add (boxHandle, labelHandle); |
| GTK.gtk_widget_show (boxHandle); |
| GTK.gtk_widget_show (labelHandle); |
| column.labelHandle = labelHandle; |
| column.imageHandle = imageHandle; |
| GTK.gtk_tree_view_column_set_widget (column.handle, boxHandle); |
| column.buttonHandle = GTK.gtk_tree_view_column_get_button(column.handle); |
| GTK.gtk_widget_set_focus_on_click(column.buttonHandle, false); |
| if (columnCount == columns.length) { |
| TableColumn [] newColumns = new TableColumn [columns.length + 4]; |
| System.arraycopy (columns, 0, newColumns, 0, columns.length); |
| columns = newColumns; |
| } |
| System.arraycopy (columns, index, columns, index + 1, columnCount++ - index); |
| columns [index] = column; |
| if ((state & FONT) != 0) { |
| column.setFontDescription (getFontDescription ()); |
| } |
| if (columnCount >= 1) { |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| // Bug 545139: For consistency, do not wipe out content of first TableColumn created after TableItem |
| boolean doNotModify; |
| Font [] cellFont = item.cellFont; |
| doNotModify = columnCount == 1 && cellFont != null && cellFont.length == columnCount; |
| if (cellFont != null && !doNotModify) { |
| Font [] temp = new Font [columnCount]; |
| System.arraycopy (cellFont, 0, temp, 0, index); |
| System.arraycopy (cellFont, index, temp, index+1, columnCount-index-1); |
| item.cellFont = temp; |
| } |
| String [] strings = item.strings; |
| doNotModify = columnCount == 1 && strings != null && strings.length == columnCount; |
| if (strings != null && !doNotModify) { |
| String [] temp = new String [columnCount]; |
| System.arraycopy (strings, 0, temp, 0, index); |
| System.arraycopy (strings, index, temp, index+1, columnCount-index-1); |
| temp [index] = ""; |
| item.strings = temp; |
| } |
| } |
| } |
| } |
| /* |
| * Feature in GTK. The tree view does not resize immediately if a table |
| * column is created when the table is not visible. If the width of the |
| * new column is queried, GTK returns an incorrect value. The fix is to |
| * ensure that the columns are resized before any queries. |
| */ |
| if(!isVisible ()) { |
| forceResize(); |
| } |
| } |
| |
| void createItem (TableItem item, int index) { |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| if (itemCount == items.length) { |
| int length = drawCount <= 0 ? items.length + 4 : Math.max (4, items.length * 3 / 2); |
| TableItem [] newItems = new TableItem [length]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| item.handle = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| if (item.handle == 0) error (SWT.ERROR_NO_HANDLES); |
| /* |
| * Feature in GTK. It is much faster to append to a list store |
| * than to insert at the end using gtk_list_store_insert(). |
| */ |
| if (index == itemCount) { |
| GTK.gtk_list_store_append (modelHandle, item.handle); |
| } else { |
| GTK.gtk_list_store_insert (modelHandle, item.handle, index); |
| } |
| System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
| items [index] = item; |
| } |
| |
| void createRenderers (long columnHandle, int modelIndex, boolean check, int columnStyle) { |
| GTK.gtk_tree_view_column_clear (columnHandle); |
| if ((style & SWT.CHECK) != 0 && check) { |
| GTK.gtk_tree_view_column_pack_start (columnHandle, checkRenderer, false); |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, OS.active, CHECKED_COLUMN); |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, OS.inconsistent, GRAYED_COLUMN); |
| if (ownerDraw) { |
| GTK.gtk_tree_view_column_set_cell_data_func (columnHandle, checkRenderer, display.cellDataProc, handle, 0); |
| OS.g_object_set_qdata (checkRenderer, Display.SWT_OBJECT_INDEX1, columnHandle); |
| } else { |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, OS.cell_background_rgba, BACKGROUND_COLUMN); |
| } |
| } |
| long pixbufRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_pixbuf_get_type (), 0) : GTK.gtk_cell_renderer_pixbuf_new (); |
| if (pixbufRenderer == 0) { |
| error (SWT.ERROR_NO_HANDLES); |
| } else { |
| // set default size this size is used for calculating the icon and text positions in a table |
| if (!ownerDraw) { |
| // Set render size to 0x0 until we actually add images, fix for |
| // Bug 457196 (this applies to Tables as well). |
| GTK.gtk_cell_renderer_set_fixed_size(pixbufRenderer, 0, 0); |
| } |
| } |
| long textRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_text_get_type (), 0) : GTK.gtk_cell_renderer_text_new (); |
| if (textRenderer == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| if (ownerDraw) { |
| OS.g_object_set_qdata (pixbufRenderer, Display.SWT_OBJECT_INDEX1, columnHandle); |
| OS.g_object_set_qdata (textRenderer, Display.SWT_OBJECT_INDEX1, columnHandle); |
| } |
| |
| /* |
| * Feature in GTK. When a tree view column contains only one activatable |
| * cell renderer such as a toggle renderer, mouse clicks anywhere in a cell |
| * activate that renderer. The workaround is to set a second cell renderer |
| * to be activatable. |
| */ |
| if ((style & SWT.CHECK) != 0 && check) { |
| OS.g_object_set (pixbufRenderer, OS.mode, GTK.GTK_CELL_RENDERER_MODE_ACTIVATABLE, 0); |
| } |
| |
| /* Set alignment */ |
| if ((columnStyle & SWT.RIGHT) != 0) { |
| OS.g_object_set(textRenderer, OS.xalign, 1f, 0); |
| GTK.gtk_tree_view_column_pack_end (columnHandle, textRenderer, true); |
| GTK.gtk_tree_view_column_pack_end (columnHandle, pixbufRenderer, false); |
| GTK.gtk_tree_view_column_set_alignment (columnHandle, 1f); |
| } else if ((columnStyle & SWT.CENTER) != 0) { |
| OS.g_object_set(textRenderer, OS.xalign, 0.5f, 0); |
| GTK.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); |
| GTK.gtk_tree_view_column_pack_end (columnHandle, textRenderer, true); |
| GTK.gtk_tree_view_column_set_alignment (columnHandle, 0.5f); |
| } else { |
| GTK.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); |
| GTK.gtk_tree_view_column_pack_start (columnHandle, textRenderer, true); |
| GTK.gtk_tree_view_column_set_alignment (columnHandle, 0f); |
| } |
| |
| /* Add attributes */ |
| /* |
| * Formerly OS.gicon was set if on GTK3, but this is being removed do to spacing issues in Tables/Trees with |
| * no images. Fix for Bug 457196. NOTE: this change has been ported to Tables since Tables/Trees both |
| * use the same underlying GTK structure. |
| */ |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, pixbufRenderer, OS.pixbuf, modelIndex + CELL_PIXBUF); |
| if (!ownerDraw) { |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, pixbufRenderer, OS.cell_background_rgba, BACKGROUND_COLUMN); |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.cell_background_rgba, BACKGROUND_COLUMN); |
| } |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.text, modelIndex + CELL_TEXT); |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.foreground_rgba, FOREGROUND_COLUMN); |
| GTK.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.font_desc, FONT_COLUMN); |
| |
| boolean customDraw = firstCustomDraw; |
| if (columnCount != 0) { |
| for (int i=0; i<columnCount; i++) { |
| if (columns [i].handle == columnHandle) { |
| customDraw = columns [i].customDraw; |
| break; |
| } |
| } |
| } |
| if ((style & SWT.VIRTUAL) != 0 || customDraw || ownerDraw) { |
| GTK.gtk_tree_view_column_set_cell_data_func (columnHandle, textRenderer, display.cellDataProc, handle, 0); |
| GTK.gtk_tree_view_column_set_cell_data_func (columnHandle, pixbufRenderer, display.cellDataProc, handle, 0); |
| } |
| } |
| |
| @Override |
| void createWidget (int index) { |
| super.createWidget (index); |
| items = new TableItem [4]; |
| columns = new TableColumn [4]; |
| itemCount = columnCount = 0; |
| // In GTK 3 font description is inherited from parent widget which is not how SWT has always worked, |
| // reset to default font to get the usual behavior |
| setFontDescription(defaultFont().handle); |
| } |
| |
| @Override |
| int applyThemeBackground () { |
| return -1; /* No Change */ |
| } |
| |
| @Override |
| GdkRGBA defaultBackground () { |
| return display.getSystemColor(SWT.COLOR_LIST_BACKGROUND).handle; |
| } |
| |
| @Override |
| void deregister () { |
| super.deregister (); |
| display.removeWidget (GTK.gtk_tree_view_get_selection (handle)); |
| if (checkRenderer != 0) display.removeWidget (checkRenderer); |
| display.removeWidget (modelHandle); |
| } |
| |
| /** |
| * Deselects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already deselected, it remains |
| * deselected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to deselect |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int index) { |
| checkWidget(); |
| if (index < 0 || index >= itemCount) return; |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_selection_unselect_iter (selection, _getItem (index).handle); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Deselects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is selected, it is deselected. If the item at the index |
| * was not selected, it remains deselected. The range of the |
| * indices is inclusive. Indices that are out of range are ignored. |
| * |
| * @param start the start index of the items to deselect |
| * @param end the end index of the items to deselect |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int start, int end) { |
| checkWidget(); |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| for (int index=start; index<=end; index++) { |
| if (index < 0 || index >= itemCount) continue; |
| GTK.gtk_tree_selection_unselect_iter (selection, _getItem (index).handle); |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Deselects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is selected, it is deselected. If the item at the index |
| * was not selected, it remains deselected. Indices that are out |
| * of range and duplicate indices are ignored. |
| * |
| * @param indices the array of indices for the items to deselect |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the set of indices is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int [] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| for (int i=0; i<indices.length; i++) { |
| int index = indices[i]; |
| if (index < 0 || index >= itemCount) continue; |
| GTK.gtk_tree_selection_unselect_iter (selection, _getItem (index).handle); |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Deselects all selected items in the receiver. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselectAll () { |
| checkWidget(); |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_selection_unselect_all (selection); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| void destroyItem (TableColumn column) { |
| int index = 0; |
| while (index < columnCount) { |
| if (columns [index] == column) break; |
| index++; |
| } |
| if (index == columnCount) return; |
| long columnHandle = column.handle; |
| if (columnCount == 1) { |
| firstCustomDraw = column.customDraw; |
| } |
| System.arraycopy (columns, index + 1, columns, index, --columnCount - index); |
| columns [columnCount] = null; |
| GTK.gtk_tree_view_remove_column (handle, columnHandle); |
| if (columnCount == 0) { |
| long oldModel = modelHandle; |
| long [] types = getColumnTypes (1); |
| long newModel = GTK.gtk_list_store_newv (types.length, types); |
| if (newModel == 0) error (SWT.ERROR_NO_HANDLES); |
| long [] ptr = new long [1]; |
| int [] ptr1 = new int [1]; |
| for (int i=0; i<itemCount; i++) { |
| long newItem = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| if (newItem == 0) error (SWT.ERROR_NO_HANDLES); |
| GTK.gtk_list_store_append (newModel, newItem); |
| TableItem item = items [i]; |
| if (item != null) { |
| long oldItem = item.handle; |
| /* the columns before FOREGROUND_COLUMN contain int values, subsequent columns contain pointers */ |
| for (int j=0; j<FOREGROUND_COLUMN; j++) { |
| GTK.gtk_tree_model_get (oldModel, oldItem, j, ptr1, -1); |
| GTK.gtk_list_store_set (newModel, newItem, j, ptr1 [0], -1); |
| } |
| for (int j=FOREGROUND_COLUMN; j<FIRST_COLUMN; j++) { |
| GTK.gtk_tree_model_get (oldModel, oldItem, j, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, j, ptr [0], -1); |
| if (ptr [0] != 0) { |
| if (j == FOREGROUND_COLUMN || j == BACKGROUND_COLUMN) { |
| GDK.gdk_rgba_free (ptr [0]); |
| } else if (j == FONT_COLUMN) { |
| OS.pango_font_description_free (ptr [0]); |
| } |
| } |
| } |
| GTK.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + CELL_PIXBUF, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + CELL_PIXBUF, ptr [0], -1); |
| if (ptr [0] != 0) OS.g_object_unref (ptr [0]); |
| GTK.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + CELL_TEXT, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + CELL_TEXT, ptr [0], -1); |
| OS.g_free (ptr [0]); |
| GTK.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + CELL_FOREGROUND, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + CELL_FOREGROUND, ptr [0], -1); |
| if (ptr [0] != 0) { |
| GDK.gdk_rgba_free (ptr [0]); |
| } |
| GTK.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + CELL_BACKGROUND, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + CELL_BACKGROUND, ptr [0], -1); |
| if (ptr [0] != 0) { |
| GDK.gdk_rgba_free (ptr [0]); |
| } |
| GTK.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + CELL_FONT, ptr, -1); |
| GTK.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + CELL_FONT, ptr [0], -1); |
| if (ptr [0] != 0) OS.pango_font_description_free (ptr [0]); |
| GTK.gtk_list_store_remove (oldModel, oldItem); |
| OS.g_free (oldItem); |
| item.handle = newItem; |
| } else { |
| OS.g_free (newItem); |
| } |
| } |
| GTK.gtk_tree_view_set_model (handle, newModel); |
| setModel (newModel); |
| createColumn (null, 0); |
| } else { |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| long iter = item.handle; |
| int modelIndex = column.modelIndex; |
| GTK.gtk_list_store_set (modelHandle, iter, modelIndex + CELL_PIXBUF, (long )0, -1); |
| GTK.gtk_list_store_set (modelHandle, iter, modelIndex + CELL_TEXT, (long )0, -1); |
| GTK.gtk_list_store_set (modelHandle, iter, modelIndex + CELL_FOREGROUND, (long )0, -1); |
| GTK.gtk_list_store_set (modelHandle, iter, modelIndex + CELL_BACKGROUND, (long )0, -1); |
| GTK.gtk_list_store_set (modelHandle, iter, modelIndex + CELL_FONT, (long )0, -1); |
| |
| Font [] cellFont = item.cellFont; |
| if (cellFont != null) { |
| if (columnCount == 0) { |
| item.cellFont = null; |
| } else { |
| Font [] temp = new Font [columnCount]; |
| System.arraycopy (cellFont, 0, temp, 0, index); |
| System.arraycopy (cellFont, index + 1, temp, index, columnCount - index); |
| item.cellFont = temp; |
| } |
| } |
| } |
| } |
| if (index == 0) { |
| TableColumn checkColumn = columns [0]; |
| createRenderers (checkColumn.handle, checkColumn.modelIndex, true, checkColumn.style); |
| } |
| } |
| if (!searchEnabled ()) { |
| GTK.gtk_tree_view_set_search_column (handle, -1); |
| } else { |
| /* Set the search column whenever the model changes */ |
| int firstColumn = columnCount == 0 ? FIRST_COLUMN : columns [0].modelIndex; |
| GTK.gtk_tree_view_set_search_column (handle, firstColumn + CELL_TEXT); |
| } |
| } |
| |
| void destroyItem (TableItem item) { |
| int index = 0; |
| while (index < itemCount) { |
| if (items [index] == item) break; |
| index++; |
| } |
| if (index == itemCount) return; |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_list_store_remove (modelHandle, item.handle); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| if (itemCount == 0) resetCustomDraw (); |
| } |
| |
| @Override |
| boolean dragDetect (int x, int y, boolean filter, boolean dragOnTimeout, boolean [] consume) { |
| boolean selected = false; |
| if (OS.isX11()) { // Wayland |
| if (filter) { |
| long [] path = new long [1]; |
| if (GTK.gtk_tree_view_get_path_at_pos (handle, x, y, path, null, null, null)) { |
| if (path [0] != 0) { |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| if (GTK.gtk_tree_selection_path_is_selected (selection, path [0])) selected = true; |
| GTK.gtk_tree_path_free (path [0]); |
| } |
| } else { |
| return false; |
| } |
| } |
| boolean dragDetect = super.dragDetect (x, y, filter, false, consume); |
| if (dragDetect && selected && consume != null) consume [0] = true; |
| return dragDetect; |
| } else { |
| double [] startX = new double[1]; |
| double [] startY = new double [1]; |
| long [] path = new long [1]; |
| if (GTK.gtk_gesture_drag_get_start_point(dragGesture, startX, startY)) { |
| if (getHeaderVisible()) { |
| startY[0]-= getHeaderHeightInPixels(); |
| } |
| if (GTK.gtk_tree_view_get_path_at_pos (handle, (int) startX[0], (int) startY[0], path, null, null, null)) { |
| if (path [0] != 0) { |
| boolean dragDetect = super.dragDetect (x, y, filter, false, consume); |
| if (dragDetect && selected && consume != null) consume [0] = true; |
| return dragDetect; |
| } |
| } else { |
| return false; |
| } |
| } |
| } |
| return false; |
| } |
| |
| |
| @Override |
| long eventWindow () { |
| return paintWindow (); |
| } |
| |
| @Override |
| long eventSurface () { |
| return paintSurface (); |
| } |
| |
| boolean fixAccessibility () { |
| /* |
| * Bug in GTK. With GTK 2.12, when assistive technologies is on, the time |
| * it takes to add or remove several rows to the model is very long. This |
| * happens because the accessible object asks each row for its data, including |
| * the rows that are not visible. The the fix is to block the accessible object |
| * from receiving row_added and row_removed signals and, at the end, send only |
| * a notify signal with the "model" detail. |
| * |
| * Note: The test bellow has to be updated when the real problem is fixed in |
| * the accessible object. |
| */ |
| return true; |
| } |
| |
| @Override |
| void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) { |
| super.fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| if (column.toolTipText != null) { |
| column.setToolTipText(oldShell, null); |
| column.setToolTipText(newShell, column.toolTipText); |
| } |
| } |
| } |
| |
| @Override |
| Rectangle getClientAreaInPixels () { |
| checkWidget (); |
| forceResize (); |
| long clientHandle = clientHandle (); |
| GtkAllocation allocation = new GtkAllocation (); |
| GTK.gtk_widget_get_allocation (clientHandle, allocation); |
| int width = (state & ZERO_WIDTH) != 0 ? 0 : allocation.width; |
| int height = (state & ZERO_HEIGHT) != 0 ? 0 : allocation.height; |
| Rectangle rect; |
| if (GTK.GTK4) { |
| long fixedSurface = gtk_widget_get_surface (fixedHandle); |
| long surface = gtk_widget_get_surface (clientHandle); |
| int [] surfaceX = new int [1], surfaceY = new int [1]; |
| GDK.gdk_surface_get_origin (surface, surfaceX, surfaceY); |
| int [] fixedX = new int [1], fixedY = new int [1]; |
| GDK.gdk_surface_get_origin (fixedSurface, fixedX, fixedY); |
| rect = new Rectangle (fixedX [0] - surfaceX [0], fixedY [0] - surfaceY [0], width, height); |
| } else { |
| GTK.gtk_widget_realize (handle); |
| long fixedWindow = gtk_widget_get_window (fixedHandle); |
| long binWindow = GTK.gtk_tree_view_get_bin_window (handle); |
| int [] binX = new int [1], binY = new int [1]; |
| GDK.gdk_window_get_origin (binWindow, binX, binY); |
| int [] fixedX = new int [1], fixedY = new int [1]; |
| GDK.gdk_window_get_origin (fixedWindow, fixedX, fixedY); |
| rect = new Rectangle (fixedX [0] - binX [0], fixedY [0] - binY [0], width, height); |
| } |
| return rect; |
| } |
| |
| @Override |
| int getClientWidth () { |
| int [] w = new int [1], h = new int [1]; |
| if (GTK.GTK4) { |
| long surface = gtk_widget_get_surface(handle); |
| gdk_surface_get_size(surface, w, h); |
| } else { |
| GTK.gtk_widget_realize (handle); |
| gdk_window_get_size(GTK.gtk_tree_view_get_bin_window(handle), w, h); |
| } |
| return w[0]; |
| } |
| |
| /** |
| * Returns the column at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * Columns are returned in the order that they were created. |
| * If no <code>TableColumn</code>s were created by the programmer, |
| * this method will throw <code>ERROR_INVALID_RANGE</code> despite |
| * the fact that a single column of data may be visible in the table. |
| * This occurs when the programmer uses the table like a list, adding |
| * items but never creating a column. |
| * |
| * @param index the index of the column to return |
| * @return the column at the given index |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#getColumnOrder() |
| * @see Table#setColumnOrder(int[]) |
| * @see TableColumn#getMoveable() |
| * @see TableColumn#setMoveable(boolean) |
| * @see SWT#Move |
| */ |
| public TableColumn getColumn (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < columnCount)) error (SWT.ERROR_INVALID_RANGE); |
| return columns [index]; |
| } |
| |
| /** |
| * Returns the number of columns contained in the receiver. |
| * If no <code>TableColumn</code>s were created by the programmer, |
| * this value is zero, despite the fact that visually, one column |
| * of items may be visible. This occurs when the programmer uses |
| * the table like a list, adding items but never creating a column. |
| * |
| * @return the number of columns |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getColumnCount () { |
| checkWidget(); |
| return columnCount; |
| } |
| |
| long [] getColumnTypes (int columnCount) { |
| long [] types = new long [FIRST_COLUMN + (columnCount * CELL_TYPES)]; |
| // per row data |
| types [CHECKED_COLUMN] = OS.G_TYPE_BOOLEAN (); |
| types [GRAYED_COLUMN] = OS.G_TYPE_BOOLEAN (); |
| types [FOREGROUND_COLUMN] = GDK.GDK_TYPE_RGBA(); |
| types [BACKGROUND_COLUMN] = GDK.GDK_TYPE_RGBA(); |
| types [FONT_COLUMN] = OS.PANGO_TYPE_FONT_DESCRIPTION (); |
| // per cell data |
| for (int i=FIRST_COLUMN; i<types.length; i+=CELL_TYPES) { |
| types [i + CELL_PIXBUF] = GDK.GDK_TYPE_PIXBUF (); |
| types [i + CELL_TEXT] = OS.G_TYPE_STRING (); |
| types [i + CELL_FOREGROUND] = GDK.GDK_TYPE_RGBA(); |
| types [i + CELL_BACKGROUND] = GDK.GDK_TYPE_RGBA(); |
| types [i + CELL_FONT] = OS.PANGO_TYPE_FONT_DESCRIPTION (); |
| } |
| return types; |
| } |
| |
| /** |
| * Returns an array of zero-relative integers that map |
| * the creation order of the receiver's items to the |
| * order in which they are currently being displayed. |
| * <p> |
| * Specifically, the indices of the returned array represent |
| * the current visual order of the items, and the contents |
| * of the array represent the creation order of the items. |
| * </p><p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the current visual order of the receiver's items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#setColumnOrder(int[]) |
| * @see TableColumn#getMoveable() |
| * @see TableColumn#setMoveable(boolean) |
| * @see SWT#Move |
| * |
| * @since 3.1 |
| */ |
| public int [] getColumnOrder () { |
| checkWidget (); |
| if (columnCount == 0) return new int [0]; |
| long list = GTK.gtk_tree_view_get_columns (handle); |
| if (list == 0) return new int [0]; |
| int i = 0, count = OS.g_list_length (list); |
| int [] order = new int [count]; |
| long temp = list; |
| while (temp != 0) { |
| long column = OS.g_list_data (temp); |
| if (column != 0) { |
| for (int j=0; j<columnCount; j++) { |
| if (columns [j].handle == column) { |
| order [i++] = j; |
| break; |
| } |
| } |
| } |
| temp = OS.g_list_next (temp); |
| } |
| OS.g_list_free (list); |
| return order; |
| } |
| |
| /** |
| * Returns an array of <code>TableColumn</code>s which are the |
| * columns in the receiver. Columns are returned in the order |
| * that they were created. If no <code>TableColumn</code>s were |
| * created by the programmer, the array is empty, despite the fact |
| * that visually, one column of items may be visible. This occurs |
| * when the programmer uses the table like a list, adding items but |
| * never creating a column. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the items in the receiver |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#getColumnOrder() |
| * @see Table#setColumnOrder(int[]) |
| * @see TableColumn#getMoveable() |
| * @see TableColumn#setMoveable(boolean) |
| * @see SWT#Move |
| */ |
| public TableColumn [] getColumns () { |
| checkWidget(); |
| TableColumn [] result = new TableColumn [columnCount]; |
| System.arraycopy (columns, 0, result, 0, columnCount); |
| return result; |
| } |
| |
| @Override |
| GdkRGBA getContextBackgroundGdkRGBA () { |
| if (background != null) { |
| return background; |
| } else { |
| // For Tables and Trees, the default background is |
| // COLOR_LIST_BACKGROUND instead of COLOR_WIDGET_BACKGROUND. |
| return defaultBackground(); |
| } |
| } |
| |
| @Override |
| GdkRGBA getContextColorGdkRGBA () { |
| if (foreground != null) { |
| return foreground; |
| } else { |
| return display.COLOR_LIST_FOREGROUND_RGBA; |
| } |
| } |
| |
| TableItem getFocusItem () { |
| long [] path = new long [1]; |
| GTK.gtk_tree_view_get_cursor (handle, path, null); |
| if (path [0] == 0) return null; |
| TableItem item = null; |
| long indices = GTK.gtk_tree_path_get_indices (path [0]); |
| if (indices != 0) { |
| int [] index = new int []{-1}; |
| C.memmove (index, indices, 4); |
| item = _getItem (index [0]); |
| } |
| GTK.gtk_tree_path_free (path [0]); |
| return item; |
| } |
| |
| /** |
| * Returns the width in points of a grid line. |
| * |
| * @return the width of a grid line in points |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getGridLineWidth () { |
| checkWidget (); |
| return DPIUtil.autoScaleDown (getGridLineWidthInPixels ()); |
| } |
| |
| int getGridLineWidthInPixels () { |
| checkWidget(); |
| return 0; |
| } |
| |
| /** |
| * Returns the header background color. |
| * |
| * @return the receiver's header background color. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @since 3.106 |
| */ |
| public Color getHeaderBackground () { |
| checkWidget (); |
| return headerBackground != null ? headerBackground : display.getSystemColor(SWT.COLOR_LIST_BACKGROUND); |
| } |
| |
| /** |
| * Returns the header foreground color. |
| * |
| * @return the receiver's header foreground color. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @since 3.106 |
| */ |
| public Color getHeaderForeground () { |
| checkWidget (); |
| return headerForeground != null ? headerForeground : display.getSystemColor(SWT.COLOR_LIST_FOREGROUND); |
| } |
| |
| /** |
| * Returns the height of the receiver's header |
| * |
| * @return the height of the header or zero if the header is not visible |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 2.0 |
| */ |
| public int getHeaderHeight () { |
| checkWidget (); |
| return DPIUtil.autoScaleDown (getHeaderHeightInPixels ()); |
| } |
| |
| int getHeaderHeightInPixels () { |
| checkWidget (); |
| if (!GTK.gtk_tree_view_get_headers_visible (handle)) return 0; |
| if (columnCount > 0) { |
| GtkRequisition requisition = new GtkRequisition (); |
| int height = 0; |
| for (int i=0; i<columnCount; i++) { |
| long buttonHandle = columns [i].buttonHandle; |
| if (buttonHandle != 0) { |
| if (!GTK.gtk_widget_get_visible(buttonHandle)) { |
| GTK.gtk_widget_show(buttonHandle); |
| gtk_widget_get_preferred_size (buttonHandle, requisition); |
| GTK.gtk_widget_hide(buttonHandle); |
| } else { |
| gtk_widget_get_preferred_size (buttonHandle, requisition); |
| } |
| height = Math.max (height, requisition.height); |
| } |
| } |
| return height; |
| } |
| if (GTK.GTK4) { |
| long fixedSurface = gtk_widget_get_surface (fixedHandle); |
| long surface = gtk_widget_get_surface (handle); |
| int [] surfaceY = new int [1]; |
| GDK.gdk_surface_get_origin (surface, null, surfaceY); |
| int [] fixedY = new int [1]; |
| GDK.gdk_surface_get_origin (fixedSurface, null, fixedY); |
| return surfaceY [0] - fixedY [0]; |
| } else { |
| GTK.gtk_widget_realize (handle); |
| long fixedWindow = gtk_widget_get_window (fixedHandle); |
| long binWindow = GTK.gtk_tree_view_get_bin_window (handle); |
| int [] binY = new int [1]; |
| GDK.gdk_window_get_origin (binWindow, null, binY); |
| int [] fixedY = new int [1]; |
| GDK.gdk_window_get_origin (fixedWindow, null, fixedY); |
| return binY [0] - fixedY [0]; |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver's header is visible, |
| * and <code>false</code> otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the receiver's header's visibility state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean getHeaderVisible () { |
| checkWidget(); |
| return GTK.gtk_tree_view_get_headers_visible (handle); |
| } |
| |
| /** |
| * Returns the item at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * |
| * @param index the index of the item to return |
| * @return the item at the given index |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TableItem getItem (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| return _getItem (index); |
| } |
| |
| /** |
| * Returns the item at the given point in the receiver |
| * or null if no such item exists. The point is in the |
| * coordinate system of the receiver. |
| * <p> |
| * The item that is returned represents an item that could be selected by the user. |
| * For example, if selection only occurs in items in the first column, then null is |
| * returned if the point is outside of the item. |
| * Note that the SWT.FULL_SELECTION style hint, which specifies the selection policy, |
| * determines the extent of the selection. |
| * </p> |
| * |
| * @param point the point used to locate the item |
| * @return the item at the given point, or null if the point is not in a selectable item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TableItem getItem (Point point) { |
| checkWidget(); |
| return getItemInPixels(DPIUtil.autoScaleUp(point)); |
| } |
| |
| TableItem getItemInPixels (Point point) { |
| checkWidget(); |
| if (point == null) error (SWT.ERROR_NULL_ARGUMENT); |
| long [] path = new long [1]; |
| GTK.gtk_widget_realize (handle); |
| int y = point.y; |
| /* |
| * On GTK4 the header is included in the entire widget's surface, so we must subtract |
| * its size from the y-coordinate. This does not apply on GTK3 as the header and |
| * "main-widget" have separate GdkWindows. |
| */ |
| if (getHeaderVisible() && GTK.GTK4) { |
| y -= getHeaderHeight(); |
| } |
| if (!GTK.gtk_tree_view_get_path_at_pos (handle, point.x, y, path, null, null, null)) return null; |
| if (path [0] == 0) return null; |
| long indices = GTK.gtk_tree_path_get_indices (path [0]); |
| TableItem item = null; |
| if (indices != 0) { |
| int [] index = new int [1]; |
| C.memmove (index, indices, 4); |
| item = _getItem (index [0]); |
| } |
| GTK.gtk_tree_path_free (path [0]); |
| return item; |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver. |
| * |
| * @return the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemCount () { |
| checkWidget (); |
| return itemCount; |
| } |
| |
| /** |
| * Returns the height of the area which would be used to |
| * display <em>one</em> of the items in the receiver. |
| * |
| * @return the height of one item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemHeight () { |
| checkWidget (); |
| return DPIUtil.autoScaleDown (getItemHeightInPixels ()); |
| } |
| |
| int getItemHeightInPixels () { |
| checkWidget(); |
| if (itemCount == 0) { |
| long column = GTK.gtk_tree_view_get_column (handle, 0); |
| int [] w = new int [1], h = new int [1]; |
| ignoreSize = true; |
| GTK.gtk_tree_view_column_cell_get_size (column, null, null, null, w, h); |
| int height = h [0]; |
| long textRenderer = getTextRenderer (column); |
| if (textRenderer != 0) GTK.gtk_cell_renderer_get_preferred_height_for_width (textRenderer, handle, 0, h, null); |
| height += h [0]; |
| ignoreSize = false; |
| return height; |
| } else { |
| int height = 0; |
| long iter = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| GTK.gtk_tree_model_get_iter_first (modelHandle, iter); |
| int columnCount = Math.max (1, this.columnCount); |
| for (int i=0; i<columnCount; i++) { |
| long column = GTK.gtk_tree_view_get_column (handle, i); |
| GTK.gtk_tree_view_column_cell_set_cell_data (column, modelHandle, iter, false, false); |
| int [] w = new int [1], h = new int [1]; |
| GTK.gtk_tree_view_column_cell_get_size (column, null, null, null, w, h); |
| long textRenderer = getTextRenderer (column); |
| int [] ypad = new int[1]; |
| if (textRenderer != 0) GTK.gtk_cell_renderer_get_padding(textRenderer, null, ypad); |
| height = Math.max(height, h [0] + ypad [0]); |
| } |
| OS.g_free (iter); |
| return height; |
| } |
| } |
| |
| /** |
| * Returns a (possibly empty) array of <code>TableItem</code>s which |
| * are the items in the receiver. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the items in the receiver |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TableItem [] getItems () { |
| checkWidget(); |
| TableItem [] result = new TableItem [itemCount]; |
| if ((style & SWT.VIRTUAL) != 0) { |
| for (int i=0; i<itemCount; i++) { |
| result [i] = _getItem (i); |
| } |
| } else { |
| System.arraycopy (items, 0, result, 0, itemCount); |
| } |
| return result; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver's lines are visible, |
| * and <code>false</code> otherwise. Note that some platforms draw |
| * grid lines while others may draw alternating row colors. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the visibility state of the lines |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean getLinesVisible() { |
| checkWidget(); |
| return GTK.gtk_tree_view_get_grid_lines(handle) > GTK.GTK_TREE_VIEW_GRID_LINES_NONE; |
| } |
| |
| long getPixbufRenderer (long column) { |
| long list = GTK.gtk_cell_layout_get_cells(column); |
| if (list == 0) return 0; |
| long originalList = list; |
| long pixbufRenderer = 0; |
| while (list != 0) { |
| long renderer = OS.g_list_data (list); |
| if (GTK.GTK_IS_CELL_RENDERER_PIXBUF (renderer)) { |
| pixbufRenderer = renderer; |
| break; |
| } |
| list = OS.g_list_next (list); |
| } |
| OS.g_list_free (originalList); |
| return pixbufRenderer; |
| } |
| |
| /** |
| * Returns an array of <code>TableItem</code>s that are currently |
| * selected in the receiver. The order of the items is unspecified. |
| * An empty array indicates that no items are selected. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its selection, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * @return an array representing the selection |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TableItem [] getSelection () { |
| checkWidget(); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| long list = GTK.gtk_tree_selection_get_selected_rows (selection, null); |
| long originalList = list; |
| if (list != 0) { |
| int count = OS.g_list_length (list); |
| int [] treeSelection = new int [count]; |
| int length = 0; |
| for (int i=0; i<count; i++) { |
| long data = OS.g_list_data (list); |
| long indices = GTK.gtk_tree_path_get_indices (data); |
| if (indices != 0) { |
| int [] index = new int [1]; |
| C.memmove (index, indices, 4); |
| treeSelection [length] = index [0]; |
| length++; |
| } |
| GTK.gtk_tree_path_free (data); |
| list = OS.g_list_next (list); |
| } |
| OS.g_list_free (originalList); |
| TableItem [] result = new TableItem [length]; |
| for (int i=0; i<result.length; i++) result [i] = _getItem (treeSelection [i]); |
| return result; |
| } |
| return new TableItem [0]; |
| } |
| |
| /** |
| * Returns the number of selected items contained in the receiver. |
| * |
| * @return the number of selected items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getSelectionCount () { |
| checkWidget(); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| return GTK.gtk_tree_selection_count_selected_rows (selection); |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently |
| * selected in the receiver, or -1 if no item is selected. |
| * |
| * @return the index of the selected item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getSelectionIndex () { |
| checkWidget(); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| long list = GTK.gtk_tree_selection_get_selected_rows (selection, null); |
| long originalList = list; |
| if (list != 0) { |
| int [] index = new int [1]; |
| boolean foundIndex = false; |
| while (list != 0) { |
| long data = OS.g_list_data (list); |
| if (foundIndex == false) { |
| long indices = GTK.gtk_tree_path_get_indices (data); |
| if (indices != 0) { |
| C.memmove (index, indices, 4); |
| foundIndex = true; |
| } |
| } |
| list = OS.g_list_next (list); |
| GTK.gtk_tree_path_free (data); |
| } |
| OS.g_list_free (originalList); |
| return index [0]; |
| } |
| return -1; |
| } |
| |
| /** |
| * Returns the zero-relative indices of the items which are currently |
| * selected in the receiver. The order of the indices is unspecified. |
| * The array is empty if no items are selected. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its selection, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * @return the array of indices of the selected items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int [] getSelectionIndices () { |
| checkWidget(); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| long list = GTK.gtk_tree_selection_get_selected_rows (selection, null); |
| long originalList = list; |
| if (list != 0) { |
| int count = OS.g_list_length (list); |
| int [] treeSelection = new int [count]; |
| int length = 0; |
| for (int i=0; i<count; i++) { |
| long data = OS.g_list_data (list); |
| long indices = GTK.gtk_tree_path_get_indices (data); |
| if (indices != 0) { |
| int [] index = new int [1]; |
| C.memmove (index, indices, 4); |
| treeSelection [length] = index [0]; |
| length++; |
| } |
| list = OS.g_list_next (list); |
| GTK.gtk_tree_path_free (data); |
| } |
| OS.g_list_free (originalList); |
| int [] result = new int [length]; |
| System.arraycopy (treeSelection, 0, result, 0, length); |
| return result; |
| } |
| return new int [0]; |
| } |
| |
| /** |
| * Returns the column which shows the sort indicator for |
| * the receiver. The value may be null if no column shows |
| * the sort indicator. |
| * |
| * @return the sort indicator |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #setSortColumn(TableColumn) |
| * |
| * @since 3.2 |
| */ |
| public TableColumn getSortColumn () { |
| checkWidget (); |
| return sortColumn; |
| } |
| |
| /** |
| * Returns the direction of the sort indicator for the receiver. |
| * The value will be one of <code>UP</code>, <code>DOWN</code> |
| * or <code>NONE</code>. |
| * |
| * @return the sort direction |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #setSortDirection(int) |
| * |
| * @since 3.2 |
| */ |
| public int getSortDirection () { |
| checkWidget (); |
| return sortDirection; |
| } |
| |
| long getTextRenderer (long column) { |
| long list = GTK.gtk_cell_layout_get_cells(column); |
| if (list == 0) return 0; |
| long originalList = list; |
| long textRenderer = 0; |
| while (list != 0) { |
| long renderer = OS.g_list_data (list); |
| if (GTK.GTK_IS_CELL_RENDERER_TEXT (renderer)) { |
| textRenderer = renderer; |
| break; |
| } |
| list = OS.g_list_next (list); |
| } |
| OS.g_list_free (originalList); |
| return textRenderer; |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items are |
| * scrolled or new items are added or removed. |
| * |
| * @return the index of the top item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getTopIndex () { |
| checkWidget(); |
| /* |
| * Feature in GTK: fetch the topIndex using the topItem global variable |
| * if setTopIndex() has been called and the widget has not been scrolled |
| * using the UI. Otherwise, fetch topIndex using GtkTreeView API. |
| */ |
| long vAdjustment; |
| vAdjustment = GTK.gtk_scrollable_get_vadjustment(handle); |
| currentAdjustment = GTK.gtk_adjustment_get_value(vAdjustment); |
| if (cachedAdjustment == currentAdjustment){ |
| return topIndex; |
| } else { |
| long [] path = new long [1]; |
| GTK.gtk_widget_realize (handle); |
| if (!GTK.gtk_tree_view_get_path_at_pos (handle, 1, 1, path, null, null, null)) return 0; |
| if (path [0] == 0) return 0; |
| long indices = GTK.gtk_tree_path_get_indices (path[0]); |
| int[] index = new int [1]; |
| if (indices != 0) C.memmove (index, indices, 4); |
| GTK.gtk_tree_path_free (path [0]); |
| return index [0]; |
| } |
| } |
| |
| @Override |
| long gtk_button_press_event (long widget, long event) { |
| double [] eventX = new double [1]; |
| double [] eventY = new double [1]; |
| GDK.gdk_event_get_coords(event, eventX, eventY); |
| int eventType = GDK.gdk_event_get_event_type(event); |
| eventType = fixGdkEventTypeValues(eventType); |
| int [] eventButton = new int [1]; |
| GDK.gdk_event_get_button(event, eventButton); |
| double [] eventRX = new double [1]; |
| double [] eventRY = new double [1]; |
| GDK.gdk_event_get_root_coords(event, eventRX, eventRY); |
| int [] eventState = new int [1]; |
| GDK.gdk_event_get_state(event, eventState); |
| long eventGdkResource = gdk_event_get_surface_or_window(event); |
| if (GTK.GTK4) { |
| if (eventGdkResource != gtk_widget_get_surface (handle)) return 0; |
| } else { |
| if (eventGdkResource != GTK.gtk_tree_view_get_bin_window (handle)) return 0; |
| } |
| long result = super.gtk_button_press_event (widget, event); |
| if (result != 0) return result; |
| /* |
| * Feature in GTK. In multi-select tree view there is a problem with using DnD operations while also selecting multiple items. |
| * When doing a DnD, GTK de-selects all other items except for the widget being dragged from. By disabling the selection function |
| * in GTK in the case that additional items aren't being added (CTRL_MASK or SHIFT_MASK) and the item being dragged is already |
| * selected, we can give the DnD handling to MOTION-NOTIFY. Seee Bug 503431 |
| */ |
| if ((state & DRAG_DETECT) != 0 && hooks (SWT.DragDetect) && |
| !OS.isX11() && eventType == GDK.GDK_BUTTON_PRESS) { // Wayland |
| // check to see if there is another event coming in that is not a double/triple click, this is to prevent Bug 514531 |
| long nextEvent = gdk_event_peek (); |
| if (nextEvent == 0) { |
| long [] path = new long [1]; |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| if (GTK.gtk_tree_view_get_path_at_pos (handle, (int)eventX[0], (int)eventY[0], path, null, null, null) && |
| path[0] != 0) { |
| // selection count is used in the case of clicking an already selected item while holding Control |
| selectionCountOnPress = getSelectionCount(); |
| if (GTK.gtk_tree_selection_path_is_selected (selection, path[0])) { |
| if (((eventState[0] & (GDK.GDK_CONTROL_MASK|GDK.GDK_SHIFT_MASK)) == 0) || |
| ((eventState[0] & GDK.GDK_CONTROL_MASK) != 0)) { |
| /** |
| * Disable selection on a mouse click if there are multiple items already selected. Also, |
| * if control is currently being held down, we will designate the selection logic over to release |
| * instead by first disabling the selection. |
| * E.g to reproduce: Open DNDExample, select "Tree", select multiple items, try dragging. |
| * without line below, only one item is selected for drag. |
| */ |
| long gtk_false_funcPtr = GTK.GET_FUNCTION_POINTER_gtk_false(); |
| GTK.gtk_tree_selection_set_select_function(selection, gtk_false_funcPtr, 0, 0); |
| } |
| } |
| } |
| } else { |
| gdk_event_free (nextEvent); |
| } |
| } |
| /* |
| * Feature in GTK. In a multi-select table view, when multiple items are already |
| * selected, the selection state of the item is toggled and the previous selection |
| * is cleared. This is not the desired behaviour when bringing up a popup menu. |
| * Also, when an item is reselected with the right button, the tree view issues |
| * an unwanted selection event. The workaround is to detect that case and not |
| * run the default handler when the item is already part of the current selection. |
| */ |
| int button = eventButton[0]; |
| if (button == 3 && eventType == GDK.GDK_BUTTON_PRESS) { |
| long [] path = new long [1]; |
| if (GTK.gtk_tree_view_get_path_at_pos (handle, (int)eventX[0], (int)eventY[0], path, null, null, null)) { |
| if (path [0] != 0) { |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| if (GTK.gtk_tree_selection_path_is_selected (selection, path [0])) result = 1; |
| GTK.gtk_tree_path_free (path [0]); |
| } |
| } |
| } |
| |
| /* |
| * Feature in GTK. When the user clicks in a single selection GtkTreeView |
| * and there are no selected items, the first item is selected automatically |
| * before the click is processed, causing two selection events. The is fix |
| * is the set the cursor item to be same as the clicked item to stop the |
| * widget from automatically selecting the first item. |
| */ |
| if ((style & SWT.SINGLE) != 0 && getSelectionCount () == 0) { |
| long [] path = new long [1]; |
| if (GTK.gtk_tree_view_get_path_at_pos (handle, (int)eventX[0], (int)eventY[0], path, null, null, null)) { |
| if (path [0] != 0) { |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_view_set_cursor (handle, path [0], 0, false); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_path_free (path [0]); |
| } |
| } |
| } |
| |
| /* |
| * Bug 312568: If mouse double-click pressed, manually send a DefaultSelection. |
| * Bug 518414: Added rowActivated guard flag to only send a DefaultSelection when the |
| * double-click triggers a 'row-activated' signal. Note that this relies on the fact |
| * that 'row-activated' signal comes before double-click event. This prevents |
| * opening of the current highlighted item when double clicking on any expander arrow. |
| */ |
| if (eventType == GDK.GDK_2BUTTON_PRESS && rowActivated) { |
| sendTreeDefaultSelection (); |
| rowActivated = false; |
| } |
| |
| return result; |
| } |
| |
| @Override |
| long gtk_gesture_press_event (long gesture, int n_press, double x, double y, long event) { |
| if (n_press == 1) return 0; |
| long widget = GTK.gtk_event_controller_get_widget(gesture); |
| long result = gtk_button_press_event (widget, event); |
| |
| if (n_press == 2 && rowActivated) { |
| sendTreeDefaultSelection (); |
| rowActivated = false; |
| } |
| return result; |
| } |
| |
| @Override |
| long gtk_row_activated (long tree, long path, long column) { |
| rowActivated = true; |
| return 0; |
| } |
| |
| |
| @Override |
| long gtk_key_press_event (long widget, long event) { |
| int [] key = new int[1]; |
| GDK.gdk_event_get_keyval(event, key); |
| keyPressDefaultSelectionHandler (event, key[0]); |
| return super.gtk_key_press_event (widget, event); |
| } |
| |
| /** |
| * Used to emulate DefaultSelection event. See Bug 312568. |
| * @param event the gtk key press event that was fired. |
| */ |
| void keyPressDefaultSelectionHandler (long event, int key) { |
| int keymask = gdk_event_get_state (event); |
| switch (key) { |
| case GDK.GDK_Return: |
| // Send DefaultSelectionEvent when: |
| // when : Enter, Shift+Enter, Ctrl+Enter are pressed. |
| // Not when: Alt+Enter, (Meta|Super|Hyper)+Enter, reason is stateMask is not provided on Gtk. |
| // Note: alt+Enter creates a selection on GTK, but we filter it out to be a bit more consitent Win32 (521387) |
| if ((keymask & (GDK.GDK_SUPER_MASK | GDK.GDK_META_MASK | GDK.GDK_HYPER_MASK | GDK.GDK_MOD1_MASK)) == 0) { |
| sendTreeDefaultSelection (); |
| } |
| break; |
| } |
| } |
| |
| /** |
| * Used to emulate DefaultSelection event. See Bug 312568. |
| * Feature in GTK. 'row-activation' event comes before DoubleClick event. |
| * This is causing the editor not to get focus after double-click. |
| * The solution is to manually send the DefaultSelection event after a double-click, |
| * and to emulate it for Space/Return. |
| */ |
| void sendTreeDefaultSelection() { |
| |
| //Note, similar DefaultSelectionHandling in SWT List/Table/Tree |
| TableItem tableItem = getFocusItem (); |
| if (tableItem == null) |
| return; |
| |
| Event event = new Event (); |
| event.item = tableItem; |
| |
| sendSelectionEvent (SWT.DefaultSelection, event, false); |
| } |
| |
| |
| @Override |
| long gtk_button_release_event (long widget, long event) { |
| double [] eventX = new double [1]; |
| double [] eventY = new double [1]; |
| GDK.gdk_event_get_coords(event, eventX, eventY); |
| int [] eventButton = new int [1]; |
| GDK.gdk_event_get_button(event, eventButton); |
| double [] eventRX = new double [1]; |
| double [] eventRY = new double [1]; |
| GDK.gdk_event_get_root_coords(event, eventRX, eventRY); |
| int [] eventState = new int [1]; |
| GDK.gdk_event_get_state(event, eventState); |
| long eventGdkResource = gdk_event_get_surface_or_window(event); |
| if (GTK.GTK4) { |
| if (eventGdkResource != gtk_widget_get_surface (handle)) return 0; |
| } else { |
| if (eventGdkResource != GTK.gtk_tree_view_get_bin_window (handle)) return 0; |
| } |
| // Check region since super.gtk_button_release_event() isn't called |
| lastInput.x = (int) eventX[0]; |
| lastInput.y = (int) eventY[0]; |
| if (containedInRegion(lastInput.x, lastInput.y)) return 0; |
| /* |
| * Feature in GTK. In multi-select tree view there is a problem with using DnD operations while also selecting multiple items. |
| * When doing a DnD, GTK de-selects all other items except for the widget being dragged from. By disabling the selection function |
| * in GTK in the case that additional items aren't being added (CTRL_MASK or SHIFT_MASK) and the item being dragged is already |
| * selected, we can give the DnD handling to MOTION-NOTIFY. On release, we can then re-enable the selection method |
| * and also select the item in the tree by moving the selection logic to release instead. See Bug 503431. |
| */ |
| if ((state & DRAG_DETECT) != 0 && hooks (SWT.DragDetect) && !OS.isX11()) { // Wayland |
| long [] path = new long [1]; |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| // free up the selection function on release. |
| GTK.gtk_tree_selection_set_select_function(selection,0,0,0); |
| if (GTK.gtk_tree_view_get_path_at_pos (handle, (int)eventX[0], (int)eventY[0], path, null, null, null) && |
| path[0] != 0 && GTK.gtk_tree_selection_path_is_selected (selection, path[0])) { |
| selectionCountOnRelease = getSelectionCount(); |
| if ((eventState[0] & (GDK.GDK_CONTROL_MASK|GDK.GDK_SHIFT_MASK)) == 0) { |
| GTK.gtk_tree_view_set_cursor(handle, path[0], 0, false); |
| } |
| // Check to see if there has been a new tree item selected when holding Control in Path. |
| // If not, deselect the item. |
| if ((eventState[0] & GDK.GDK_CONTROL_MASK) != 0 && selectionCountOnRelease == selectionCountOnPress) { |
| GTK.gtk_tree_selection_unselect_path (selection,path[0]); |
| } |
| } |
| } |
| return super.gtk_button_release_event (widget, event); |
| } |
| |
| @Override |
| long gtk_changed (long widget) { |
| TableItem item = getFocusItem (); |
| if (item != null) { |
| Event event = new Event (); |
| event.item = item; |
| sendSelectionEvent (SWT.Selection, event, false); |
| } |
| return 0; |
| } |
| |
| void drawInheritedBackground (long cairo) { |
| if ((state & PARENT_BACKGROUND) != 0 || backgroundImage != null) { |
| Control control = findBackgroundControl (); |
| if (control != null) { |
| int [] width = new int [1], height = new int [1]; |
| long gdkResource; |
| if (GTK.GTK4) { |
| gdkResource = gtk_widget_get_surface(handle); |
| gdk_surface_get_size (gdkResource, width, height); |
| } else { |
| gdkResource = GTK.gtk_tree_view_get_bin_window (handle); |
| gdk_window_get_size (gdkResource, width, height); |
| } |
| int bottom = 0; |
| if (itemCount != 0) { |
| long iter = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| GTK.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, itemCount - 1); |
| long path = GTK.gtk_tree_model_get_path (modelHandle, iter); |
| GdkRectangle rect = new GdkRectangle (); |
| GTK.gtk_tree_view_get_cell_area (handle, path, 0, rect); |
| bottom = rect.y + rect.height; |
| GTK.gtk_tree_path_free (path); |
| OS.g_free (iter); |
| } |
| if (height [0] > bottom) { |
| drawBackground (control, gdkResource, cairo, 0, bottom, width [0], height [0] - bottom); |
| } |
| } |
| } |
| } |
| |
| @Override |
| long gtk_draw (long widget, long cairo) { |
| boolean haveBoundsChanged = boundsChangedSinceLastDraw; |
| boundsChangedSinceLastDraw = false; |
| if ((state & OBSCURED) != 0) return 0; |
| /* |
| * Bug 537960: JFace table viewers miss a repaint when resized by a SashForm |
| * |
| * If a listener of type SWT.MeasureItem, SWT.PaintItem and or SWT.EraseItem is registered, |
| * GTK will sometimes not invalidate the tree widget pixel cache when the tree is resized. |
| * As a result, a few of the bottom rows of JFace table viewers that use styled text are often not drawn on resize. |
| * If the table was resized since the last paint, we ignore this draw request |
| * and queue another draw request so that the pixel cache is properly invalidated. |
| */ |
| if (ownerDraw && haveBoundsChanged) { |
| GTK.gtk_widget_queue_draw(handle); |
| return 0; |
| } |
| drawInheritedBackground (cairo); |
| return super.gtk_draw (widget, cairo); |
| } |
| |
| @Override |
| long gtk_motion_notify_event (long widget, long event) { |
| if (GTK.GTK4) { |
| long surface = GDK.gdk_event_get_surface(event); |
| if (surface != gtk_widget_get_surface(handle)) return 0; |
| } else { |
| long window = GDK.GDK_EVENT_WINDOW (event); |
| if (window != GTK.gtk_tree_view_get_bin_window (handle)) return 0; |
| } |
| return super.gtk_motion_notify_event (widget, event); |
| } |
| |
| @Override |
| long gtk_row_deleted (long model, long path) { |
| if (ignoreAccessibility) { |
| OS.g_signal_stop_emission_by_name (model, OS.row_deleted); |
| } |
| return 0; |
| } |
| |
| @Override |
| long gtk_row_inserted (long model, long path, long iter) { |
| if (ignoreAccessibility) { |
| OS.g_signal_stop_emission_by_name (model, OS.row_inserted); |
| } |
| return 0; |
| } |
| |
| @Override |
| long gtk_scroll_event (long widget, long eventPtr) { |
| long result = super.gtk_scroll_event(widget, eventPtr); |
| if (!wasScrolled) wasScrolled = true; |
| return result; |
| } |
| |
| @Override |
| long gtk_start_interactive_search(long widget) { |
| if (!searchEnabled()) { |
| OS.g_signal_stop_emission_by_name(widget, OS.start_interactive_search); |
| return 1; |
| } |
| return 0; |
| } |
| @Override |
| long gtk_toggled (long renderer, long pathStr) { |
| long path = GTK.gtk_tree_path_new_from_string (pathStr); |
| if (path == 0) return 0; |
| long indices = GTK.gtk_tree_path_get_indices (path); |
| if (indices != 0) { |
| int [] index = new int [1]; |
| C.memmove (index, indices, 4); |
| TableItem item = _getItem (index [0]); |
| item.setChecked (!item.getChecked ()); |
| Event event = new Event (); |
| event.detail = SWT.CHECK; |
| event.item = item; |
| sendSelectionEvent (SWT.Selection, event, false); |
| } |
| GTK.gtk_tree_path_free (path); |
| return 0; |
| } |
| |
| @Override |
| void gtk_widget_get_preferred_size (long widget, GtkRequisition requisition) { |
| /* |
| * Bug in GTK. For some reason, gtk_widget_size_request() fails |
| * to include the height of the tree view items when there are |
| * no columns visible. The fix is to temporarily make one column |
| * visible. |
| */ |
| if (columnCount == 0) { |
| super.gtk_widget_get_preferred_size (widget, requisition); |
| return; |
| } |
| long columns = GTK.gtk_tree_view_get_columns (handle), list = columns; |
| boolean fixVisible = columns != 0; |
| while (list != 0) { |
| long column = OS.g_list_data (list); |
| if (GTK.gtk_tree_view_column_get_visible (column)) { |
| fixVisible = false; |
| break; |
| } |
| list = OS.g_list_next (list); |
| } |
| long columnHandle = 0; |
| if (fixVisible) { |
| columnHandle = OS.g_list_data (columns); |
| GTK.gtk_tree_view_column_set_visible (columnHandle, true); |
| } |
| super.gtk_widget_get_preferred_size (widget, requisition); |
| if (fixVisible) { |
| GTK.gtk_tree_view_column_set_visible (columnHandle, false); |
| } |
| if (columns != 0) OS.g_list_free (columns); |
| } |
| |
| void hideFirstColumn () { |
| long firstColumn = GTK.gtk_tree_view_get_column (handle, 0); |
| GTK.gtk_tree_view_column_set_visible (firstColumn, false); |
| } |
| |
| @Override |
| void hookEvents () { |
| super.hookEvents (); |
| long selection = GTK.gtk_tree_view_get_selection(handle); |
| OS.g_signal_connect_closure (selection, OS.changed, display.getClosure (CHANGED), false); |
| OS.g_signal_connect_closure (handle, OS.row_activated, display.getClosure (ROW_ACTIVATED), false); |
| if (checkRenderer != 0) { |
| OS.g_signal_connect_closure (checkRenderer, OS.toggled, display.getClosure (TOGGLED), false); |
| } |
| OS.g_signal_connect_closure (handle, OS.start_interactive_search, display.getClosure (START_INTERACTIVE_SEARCH), false); |
| if (fixAccessibility ()) { |
| OS.g_signal_connect_closure (modelHandle, OS.row_inserted, display.getClosure (ROW_INSERTED), true); |
| OS.g_signal_connect_closure (modelHandle, OS.row_deleted, display.getClosure (ROW_DELETED), true); |
| } |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first column |
| * (index 0) until a column is found that is equal to the |
| * argument, and returns the index of that column. If no column |
| * is found, returns -1. |
| * |
| * @param column the search column |
| * @return the index of the column |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the column is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int indexOf (TableColumn column) { |
| checkWidget(); |
| if (column == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<columnCount; i++) { |
| if (columns [i] == column) return i; |
| } |
| return -1; |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first item |
| * (index 0) until an item is found that is equal to the |
| * argument, and returns the index of that item. If no item |
| * is found, returns -1. |
| * |
| * @param item the search item |
| * @return the index of the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int indexOf (TableItem item) { |
| checkWidget(); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (1 <= lastIndexOf && lastIndexOf < itemCount - 1) { |
| if (items [lastIndexOf] == item) return lastIndexOf; |
| if (items [lastIndexOf + 1] == item) return ++lastIndexOf; |
| if (items [lastIndexOf - 1] == item) return --lastIndexOf; |
| } |
| if (lastIndexOf < itemCount / 2) { |
| for (int i=0; i<itemCount; i++) { |
| if (items [i] == item) return lastIndexOf = i; |
| } |
| } else { |
| for (int i=itemCount - 1; i>=0; --i) { |
| if (items [i] == item) return lastIndexOf = i; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Returns <code>true</code> if the item is selected, |
| * and <code>false</code> otherwise. Indices out of |
| * range are ignored. |
| * |
| * @param index the index of the item |
| * @return the selection state of the item at the index |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean isSelected (int index) { |
| checkWidget(); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| byte [] buffer = Converter.wcsToMbcs (Integer.toString (index), true); |
| long path = GTK.gtk_tree_path_new_from_string (buffer); |
| boolean answer = GTK.gtk_tree_selection_path_is_selected (selection, path); |
| GTK.gtk_tree_path_free (path); |
| return answer; |
| } |
| |
| @Override |
| boolean mnemonicHit (char key) { |
| for (int i=0; i<columnCount; i++) { |
| long labelHandle = columns [i].labelHandle; |
| if (labelHandle != 0 && mnemonicHit (labelHandle, key)) return true; |
| } |
| return false; |
| } |
| |
| @Override |
| boolean mnemonicMatch (char key) { |
| for (int i=0; i<columnCount; i++) { |
| long labelHandle = columns [i].labelHandle; |
| if (labelHandle != 0 && mnemonicMatch (labelHandle, key)) return true; |
| } |
| return false; |
| } |
| |
| @Override |
| long paintWindow () { |
| GTK.gtk_widget_realize (handle); |
| // TODO: this function has been removed on GTK4 |
| return GTK.gtk_tree_view_get_bin_window (handle); |
| } |
| |
| @Override |
| void propagateDraw (long container, long cairo) { |
| /* |
| * Sometimes Tree/Table headers need to be re-drawn, as some of the |
| * "noChildDrawing" widgets might still be partially drawn. |
| */ |
| super.propagateDraw(container, cairo); |
| if (headerVisible && noChildDrawing && wasScrolled) { |
| for (TableColumn column : columns) { |
| if (column != null) { |
| GTK.gtk_widget_queue_draw(column.buttonHandle); |
| } |
| } |
| wasScrolled = false; |
| } |
| } |
| |
| void recreateRenderers () { |
| if (checkRenderer != 0) { |
| display.removeWidget (checkRenderer); |
| OS.g_object_unref (checkRenderer); |
| checkRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : GTK.gtk_cell_renderer_toggle_new (); |
| if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.g_object_ref (checkRenderer); |
| display.addWidget (checkRenderer, this); |
| OS.g_signal_connect_closure (checkRenderer, OS.toggled, display.getClosure (TOGGLED), false); |
| } |
| if (columnCount == 0) { |
| createRenderers (GTK.gtk_tree_view_get_column (handle, 0), Table.FIRST_COLUMN, true, 0); |
| } else { |
| for (int i = 0; i < columnCount; i++) { |
| TableColumn column = columns [i]; |
| createRenderers (column.handle, column.modelIndex, i == 0, column.style); |
| } |
| } |
| } |
| |
| @Override |
| void redrawBackgroundImage () { |
| Control control = findBackgroundControl (); |
| if (control != null && control.backgroundImage != null) { |
| redrawWidget (0, 0, 0, 0, true, false, false); |
| } |
| } |
| |
| @Override |
| void register () { |
| super.register (); |
| display.addWidget (GTK.gtk_tree_view_get_selection (handle), this); |
| if (checkRenderer != 0) display.addWidget (checkRenderer, this); |
| display.addWidget (modelHandle, this); |
| } |
| |
| @Override |
| void releaseChildren (boolean destroy) { |
| if (items != null) { |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null && !item.isDisposed ()) { |
| item.release (false); |
| } |
| } |
| items = null; |
| } |
| if (columns != null) { |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| if (column != null && !column.isDisposed ()) { |
| column.release (false); |
| } |
| } |
| columns = null; |
| } |
| super.releaseChildren (destroy); |
| } |
| |
| @Override |
| void releaseWidget () { |
| super.releaseWidget (); |
| if (modelHandle != 0) OS.g_object_unref (modelHandle); |
| modelHandle = 0; |
| if (checkRenderer != 0) OS.g_object_unref (checkRenderer); |
| checkRenderer = 0; |
| if (imageList != null) imageList.dispose (); |
| if (headerImageList != null) headerImageList.dispose (); |
| imageList = headerImageList = null; |
| currentItem = null; |
| } |
| |
| /** |
| * Removes the item from the receiver at the given |
| * zero-relative index. |
| * |
| * @param index the index for the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void remove (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| long iter = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| TableItem item = items [index]; |
| boolean disposed = false; |
| if (item != null) { |
| disposed = item.isDisposed (); |
| if (!disposed) { |
| C.memmove (iter, item.handle, GTK.GtkTreeIter_sizeof ()); |
| item.release (false); |
| } |
| } else { |
| GTK.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); |
| } |
| if (!disposed) { |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_list_store_remove (modelHandle, iter); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| } |
| OS.g_free (iter); |
| } |
| |
| /** |
| * Removes the items from the receiver which are |
| * between the given zero-relative start and end |
| * indices (inclusive). |
| * |
| * @param start the start of the range |
| * @param end the end of the range |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void remove (int start, int end) { |
| checkWidget(); |
| if (start > end) return; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| if (start == 0 && end == itemCount - 1) { |
| removeAll(); |
| return; |
| } |
| checkSetDataInProcessBeforeRemoval(start, end + 1); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| long iter = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| if (iter == 0) error (SWT.ERROR_NO_HANDLES); |
| if (fixAccessibility ()) { |
| ignoreAccessibility = true; |
| } |
| int index = -1; |
| for (index = start; index <= end; index++) { |
| if (index == start) GTK.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); |
| TableItem item = items [index]; |
| if (item != null && !item.isDisposed ()) item.release (false); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_list_store_remove (modelHandle, iter); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| } |
| if (fixAccessibility ()) { |
| ignoreAccessibility = false; |
| OS.g_object_notify (handle, OS.model); |
| } |
| OS.g_free (iter); |
| index = end + 1; |
| System.arraycopy (items, index, items, start, itemCount - index); |
| for (int i=itemCount-(index-start); i<itemCount; i++) items [i] = null; |
| itemCount = itemCount - (index - start); |
| } |
| |
| /** |
| * Removes the items from the receiver's list at the given |
| * zero-relative indices. |
| * |
| * @param indices the array of indices of the items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void remove (int [] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (indices.length == 0) return; |
| int [] newIndices = new int [indices.length]; |
| System.arraycopy (indices, 0, newIndices, 0, indices.length); |
| sort (newIndices); |
| int start = newIndices [newIndices.length - 1], end = newIndices [0]; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| int last = -1; |
| long iter = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| if (iter == 0) error (SWT.ERROR_NO_HANDLES); |
| if (fixAccessibility ()) { |
| ignoreAccessibility = true; |
| } |
| for (int i=0; i<newIndices.length; i++) { |
| int index = newIndices [i]; |
| if (index != last) { |
| TableItem item = items [index]; |
| boolean disposed = false; |
| if (item != null) { |
| disposed = item.isDisposed (); |
| if (!disposed) { |
| C.memmove (iter, item.handle, GTK.GtkTreeIter_sizeof ()); |
| item.release (false); |
| } |
| } else { |
| GTK.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); |
| } |
| if (!disposed) { |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_list_store_remove (modelHandle, iter); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| } |
| last = index; |
| } |
| } |
| if (fixAccessibility ()) { |
| ignoreAccessibility = false; |
| OS.g_object_notify (handle, OS.model); |
| } |
| OS.g_free (iter); |
| } |
| |
| /** |
| * Removes all of the items from the receiver. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void removeAll () { |
| checkWidget(); |
| checkSetDataInProcessBeforeRemoval(0, items.length); |
| int index = itemCount - 1; |
| while (index >= 0) { |
| TableItem item = items [index]; |
| if (item != null && !item.isDisposed ()) item.release (false); |
| --index; |
| } |
| items = new TableItem [4]; |
| itemCount = 0; |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixAccessibility ()) { |
| ignoreAccessibility = true; |
| } |
| /* |
| * Bug 499850: On GTK3, calling gtk_list_store_clear with GtkSelectionMode GTK_SELECTION_MULTIPLE |
| * takes exponential time. Temporarily change the mode GTK_SELECTION_BROWSE before |
| * making the call to avoid performance hang. |
| */ |
| long selectionHandle = GTK.gtk_tree_view_get_selection(handle); |
| boolean changeMode = (style & SWT.MULTI) != 0; |
| if (changeMode) GTK.gtk_tree_selection_set_mode(selectionHandle, GTK.GTK_SELECTION_BROWSE); |
| GTK.gtk_list_store_clear (modelHandle); |
| if (changeMode) GTK.gtk_tree_selection_set_mode(selectionHandle, GTK.GTK_SELECTION_MULTIPLE); |
| |
| if (fixAccessibility ()) { |
| ignoreAccessibility = false; |
| OS.g_object_notify (handle, OS.model); |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| |
| resetCustomDraw (); |
| if (!searchEnabled ()) { |
| GTK.gtk_tree_view_set_search_column (handle, -1); |
| } else { |
| /* Set the search column whenever the model changes */ |
| int firstColumn = columnCount == 0 ? FIRST_COLUMN : columns [0].modelIndex; |
| GTK.gtk_tree_view_set_search_column (handle, firstColumn + CELL_TEXT); |
| } |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the user changes the receiver's selection. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #addSelectionListener(SelectionListener) |
| */ |
| public void removeSelectionListener(SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection,listener); |
| } |
| |
| void sendMeasureEvent (long cell, long width, long height) { |
| if (!ignoreSize && GTK.GTK_IS_CELL_RENDERER_TEXT (cell) && hooks (SWT.MeasureItem)) { |
| long iter = OS.g_object_get_qdata (cell, Display.SWT_OBJECT_INDEX2); |
| TableItem item = null; |
| boolean isSelected = false; |
| if (iter != 0) { |
| long path = GTK.gtk_tree_model_get_path (modelHandle, iter); |
| int [] buffer = new int [1]; |
| C.memmove (buffer, GTK.gtk_tree_path_get_indices (path), 4); |
| int index = buffer [0]; |
| item = _getItem (index); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| isSelected = GTK.gtk_tree_selection_path_is_selected (selection, path); |
| GTK.gtk_tree_path_free (path); |
| } |
| if (item != null) { |
| int columnIndex = 0; |
| if (columnCount > 0) { |
| long columnHandle = OS.g_object_get_qdata (cell, Display.SWT_OBJECT_INDEX1); |
| for (int i = 0; i < columnCount; i++) { |
| if (columns [i].handle == columnHandle) { |
| columnIndex = i; |
| break; |
| } |
| } |
| } |
| int [] contentWidth = new int [1], contentHeight = new int [1]; |
| if (width != 0) C.memmove (contentWidth, width, 4); |
| if (height != 0) C.memmove (contentHeight, height, 4); |
| GTK.gtk_cell_renderer_get_preferred_height_for_width (cell, handle, contentWidth[0], contentHeight, null); |
| Image image = item.getImage (columnIndex); |
| int imageWidth = 0; |
| if (image != null) { |
| Rectangle bounds; |
| if (DPIUtil.useCairoAutoScale()) { |
| bounds = image.getBounds (); |
| } else { |
| bounds = image.getBoundsInPixels(); |
| } |
| imageWidth = bounds.width; |
| } |
| contentWidth [0] += imageWidth; |
| GC gc = new GC (this); |
| gc.setFont (item.getFont (columnIndex)); |
| Event event = new Event (); |
| event.item = item; |
| event.index = columnIndex; |
| event.gc = gc; |
| Rectangle eventRect = new Rectangle (0, 0, contentWidth [0], contentHeight [0]); |
| event.setBounds (DPIUtil.autoScaleDown (eventRect)); |
| if (isSelected) event.detail = SWT.SELECTED; |
| sendEvent (SWT.MeasureItem, event); |
| gc.dispose (); |
| Rectangle rect = DPIUtil.autoScaleUp (event.getBounds ()); |
| contentWidth [0] = rect.width - imageWidth; |
| if (contentHeight [0] < rect.height) contentHeight [0] = rect.height; |
| if (width != 0) C.memmove (width, contentWidth, 4); |
| if (height != 0) C.memmove (height, contentHeight, 4); |
| GTK.gtk_cell_renderer_set_fixed_size (cell, -1, contentHeight [0]); |
| } |
| } |
| } |
| |
| @Override |
| long rendererGetPreferredWidthProc (long cell, long handle, long minimun_size, long natural_size) { |
| long g_class = OS.g_type_class_peek_parent (OS.G_OBJECT_GET_CLASS (cell)); |
| GtkCellRendererClass klass = new GtkCellRendererClass (); |
| OS.memmove (klass, g_class); |
| OS.call (klass.get_preferred_width, cell, handle, minimun_size, natural_size); |
| sendMeasureEvent (cell, minimun_size, 0); |
| return 0; |
| } |
| |
| @Override |
| long rendererSnapshotProc (long cell, long snapshot, long widget, long background_area, long cell_area, long flags) { |
| long rect = Graphene.graphene_rect_alloc(); |
| GdkRectangle gdkRectangle = new GdkRectangle (); |
| OS.memmove(gdkRectangle, background_area, GdkRectangle.sizeof); |
| Graphene.graphene_rect_init(rect, gdkRectangle.x, gdkRectangle.y, gdkRectangle.width, gdkRectangle.height); |
| long cairo = GTK.gtk_snapshot_append_cairo(snapshot, rect); |
| rendererRender (cell, cairo, snapshot, widget, background_area, cell_area, 0, flags); |
| return 0; |
| } |
| |
| @Override |
| long rendererRenderProc (long cell, long cr, long widget, long background_area, long cell_area, long flags) { |
| rendererRender (cell, cr, 0, widget, background_area, cell_area, 0, flags); |
| return 0; |
| } |
| |
| void rendererRender (long cell, long cr, long snapshot, long widget, long background_area, long cell_area, long expose_area, long flags) { |
| TableItem item = null; |
| boolean wasSelected = false; |
| long iter = OS.g_object_get_qdata (cell, Display.SWT_OBJECT_INDEX2); |
| if (iter != 0) { |
| long path = GTK.gtk_tree_model_get_path (modelHandle, iter); |
| int [] buffer = new int [1]; |
| C.memmove (buffer, GTK.gtk_tree_path_get_indices (path), 4); |
| int index = buffer [0]; |
| item = _getItem (index); |
| GTK.gtk_tree_path_free (path); |
| } |
| long columnHandle = OS.g_object_get_qdata (cell, Display.SWT_OBJECT_INDEX1); |
| int columnIndex = 0; |
| if (columnCount > 0) { |
| for (int i = 0; i < columnCount; i++) { |
| if (columns [i].handle == columnHandle) { |
| columnIndex = i; |
| break; |
| } |
| } |
| } |
| if (item != null) { |
| if (GTK.GTK_IS_CELL_RENDERER_TOGGLE (cell) || (columnIndex != 0 || (style & SWT.CHECK) == 0)) { |
| drawFlags = (int)flags; |
| drawState = SWT.FOREGROUND; |
| long [] ptr = new long [1]; |
| GTK.gtk_tree_model_get (modelHandle, item.handle, Table.BACKGROUND_COLUMN, ptr, -1); |
| if (ptr [0] == 0) { |
| int modelIndex = columnCount == 0 ? Table.FIRST_COLUMN : columns [columnIndex].modelIndex; |
| GTK.gtk_tree_model_get (modelHandle, item.handle, modelIndex + Table.CELL_BACKGROUND, ptr, -1); |
| } |
| if (ptr [0] != 0) { |
| drawState |= SWT.BACKGROUND; |
| GDK.gdk_rgba_free (ptr [0]); |
| } |
| if ((flags & GTK.GTK_CELL_RENDERER_SELECTED) != 0) drawState |= SWT.SELECTED; |
| if ((flags & GTK.GTK_CELL_RENDERER_SELECTED) == 0) { |
| if ((flags & GTK.GTK_CELL_RENDERER_FOCUSED) != 0) drawState |= SWT.FOCUSED; |
| } |
| |
| GdkRectangle rect = new GdkRectangle (); |
| long path = GTK.gtk_tree_model_get_path (modelHandle, iter); |
| GTK.gtk_tree_view_get_background_area (handle, path, columnHandle, rect); |
| GTK.gtk_tree_path_free (path); |
| if ((drawState & SWT.SELECTED) == 0) { |
| if ((state & PARENT_BACKGROUND) != 0 || backgroundImage != null) { |
| Control control = findBackgroundControl (); |
| if (control != null) { |
| if (cr != 0) { |
| Cairo.cairo_save (cr); |
| } |
| drawBackground (control, 0, cr, rect.x, rect.y, rect.width, rect.height); |
| if (cr != 0) { |
| Cairo.cairo_restore (cr); |
| } |
| } |
| } |
| } |
| |
| //send out measure before erase |
| long textRenderer = getTextRenderer (columnHandle); |
| if (textRenderer != 0) gtk_cell_renderer_get_preferred_size (textRenderer, handle, null, null); |
| |
| |
| if (hooks (SWT.EraseItem)) { |
| Cairo.cairo_save(cr); |
| /* |
| * Cache the selection state so that it is not lost if a |
| * PaintListener wants to draw custom selection foregrounds. |
| * See bug 528155. |
| */ |
| wasSelected = (drawState & SWT.SELECTED) != 0; |
| if (wasSelected) { |
| Control control = findBackgroundControl (); |
| if (control == null) control = this; |
| } |
| GC gc = getGC(cr); |
| if ((drawState & SWT.SELECTED) != 0) { |
| gc.setBackground (display.getSystemColor (SWT.COLOR_LIST_SELECTION)); |
| gc.setForeground (display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT)); |
| } else { |
| gc.setBackground (item.getBackground (columnIndex)); |
| gc.setForeground (item.getForeground (columnIndex)); |
| } |
| gc.setFont (item.getFont (columnIndex)); |
| if ((style & SWT.MIRRORED) != 0) rect.x = getClientWidth () - rect.width - rect.x; |
| if (cr != 0) { |
| GdkRectangle r = new GdkRectangle(); |
| GDK.gdk_cairo_get_clip_rectangle(cr, r); |
| Rectangle rect2 = DPIUtil.autoScaleDown(new Rectangle(rect.x, r.y, r.width, r.height)); |
| // Caveat: rect2 is necessary because GC#setClipping(Rectangle) got broken by bug 446075 |
| gc.setClipping(rect2.x, rect2.y, rect2.width, rect2.height); |
| } else { |
| Rectangle rect2 = DPIUtil.autoScaleDown(new Rectangle(rect.x, rect.y, rect.width, rect.height)); |
| // Caveat: rect2 is necessary because GC#setClipping(Rectangle) got broken by bug 446075 |
| gc.setClipping(rect2.x, rect2.y, rect2.width, rect2.height); |
| |
| } |
| Event event = new Event (); |
| event.item = item; |
| event.index = columnIndex; |
| event.gc = gc; |
| event.detail = drawState; |
| Rectangle eventRect = new Rectangle (rect.x, rect.y, rect.width, rect.height); |
| event.setBounds (DPIUtil.autoScaleDown (eventRect)); |
| sendEvent (SWT.EraseItem, event); |
| drawForegroundRGBA = null; |
| drawState = event.doit ? event.detail : 0; |
| drawFlags &= ~(GTK.GTK_CELL_RENDERER_FOCUSED | GTK.GTK_CELL_RENDERER_SELECTED); |
| if ((drawState & SWT.SELECTED) != 0) drawFlags |= GTK.GTK_CELL_RENDERER_SELECTED; |
| if ((drawState & SWT.FOCUSED) != 0) drawFlags |= GTK.GTK_CELL_RENDERER_FOCUSED; |
| if ((drawState & SWT.SELECTED) != 0) { |
| Cairo.cairo_save (cr); |
| Cairo.cairo_reset_clip (cr); |
| long context = GTK.gtk_widget_get_style_context (widget); |
| GTK.gtk_style_context_save (context); |
| GTK.gtk_style_context_add_class (context, GTK.GTK_STYLE_CLASS_CELL); |
| GTK.gtk_style_context_set_state (context, GTK.GTK_STATE_FLAG_SELECTED); |
| GTK.gtk_render_background(context, cr, rect.x, rect.y, rect.width, rect.height); |
| GTK.gtk_style_context_restore (context); |
| Cairo.cairo_restore (cr); |
| } else { |
| if (wasSelected) { |
| drawForegroundRGBA = gc.getForeground ().handle; |
| } |
| } |
| gc.dispose(); |
| Cairo.cairo_restore(cr); |
| } |
| } |
| } |
| if ((drawState & SWT.BACKGROUND) != 0 && (drawState & SWT.SELECTED) == 0) { |
| GC gc = getGC(cr); |
| gc.setBackground (item.getBackground (columnIndex)); |
| GdkRectangle rect = new GdkRectangle (); |
| OS.memmove (rect, background_area, GdkRectangle.sizeof); |
| gc.fillRectangle(DPIUtil.autoScaleDown(new Rectangle(rect.x, rect.y, rect.width, rect.height))); |
| gc.dispose (); |
| } |
| if ((drawState & SWT.FOREGROUND) != 0 || GTK.GTK_IS_CELL_RENDERER_TOGGLE (cell)) { |
| long g_class = OS.g_type_class_peek_parent (OS.G_OBJECT_GET_CLASS (cell)); |
| GtkCellRendererClass klass = new GtkCellRendererClass (); |
| OS.memmove (klass, g_class); |
| if (GTK.GTK_IS_CELL_RENDERER_TEXT (cell)) { |
| /* |
| * SWT.FOREGROUND means the Table is responsible for painting the default foreground |
| * color. This can be either the system default (COLOR_LIST_FOREGROUND), or the |
| * color set by setForeground(). See bug 294300. |
| */ |
| GdkRGBA rgba = foreground != null ? foreground : display.getSystemColor(SWT.COLOR_LIST_FOREGROUND).handle; |
| OS.g_object_set (cell, OS.foreground_rgba, rgba, 0); |
| } |
| if (GTK.GTK4) { |
| OS.call (klass.snapshot, cell, snapshot, widget, background_area, cell_area, drawFlags); |
| } else { |
| OS.call (klass.render, cell, cr, widget, background_area, cell_area, drawFlags); |
| } |
| } |
| if (item != null) { |
| if (GTK.GTK_IS_CELL_RENDERER_TEXT (cell)) { |
| if (hooks (SWT.PaintItem)) { |
| if (wasSelected) drawState |= SWT.SELECTED; |
| GdkRectangle rect = new GdkRectangle (); |
| long path = GTK.gtk_tree_model_get_path (modelHandle, iter); |
| GTK.gtk_tree_view_get_background_area (handle, path, columnHandle, rect); |
| GTK.gtk_tree_path_free (path); |
| ignoreSize = true; |
| int [] contentX = new int [1], contentWidth = new int [1]; |
| gtk_cell_renderer_get_preferred_size (cell, handle, contentWidth, null); |
| gtk_tree_view_column_cell_get_position (columnHandle, cell, contentX, null); |
| ignoreSize = false; |
| Image image = item.getImage (columnIndex); |
| int imageWidth = 0; |
| if (image != null) { |
| Rectangle bounds; |
| if (DPIUtil.useCairoAutoScale()) { |
| bounds = image.getBounds (); |
| } else { |
| bounds = image.getBoundsInPixels (); |
| } |
| imageWidth = bounds.width; |
| } |
| contentX [0] -= imageWidth; |
| contentWidth [0] += imageWidth; |
| GC gc = getGC(cr); |
| if ((drawState & SWT.SELECTED) != 0) { |
| Color background, foreground; |
| if (GTK.gtk_widget_has_focus (handle)) { |
| background = display.getSystemColor (SWT.COLOR_LIST_SELECTION); |
| foreground = display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT); |
| } else { |
| /* |
| * Feature in GTK. When the widget doesn't have focus, then |
| * gtk_paint_flat_box () changes the background color state_type |
| * to GTK_STATE_ACTIVE. The fix is to use the same values in the GC. |
| */ |
| background = Color.gtk_new (display, display.COLOR_LIST_SELECTION_INACTIVE_RGBA); |
| foreground = Color.gtk_new (display, display.COLOR_LIST_SELECTION_TEXT_INACTIVE_RGBA); |
| } |
| gc.setBackground (background); |
| gc.setForeground (foreground); |
| } else { |
| gc.setBackground (item.getBackground (columnIndex)); |
| Color foreground = drawForegroundRGBA != null ? Color.gtk_new (display, drawForegroundRGBA) : item.getForeground (columnIndex); |
| gc.setForeground (foreground); |
| } |
| gc.setFont (item.getFont (columnIndex)); |
| if ((style & SWT.MIRRORED) != 0) rect.x = getClientWidth () - rect.width - rect.x; |
| |
| Rectangle rect2 = DPIUtil.autoScaleDown(new Rectangle(rect.x, rect.y, rect.width, rect.height)); |
| // Caveat: rect2 is necessary because GC#setClipping(Rectangle) got broken by bug 446075 |
| gc.setClipping(rect2.x, rect2.y, rect2.width, rect2.height); |
| |
| Event event = new Event (); |
| event.item = item; |
| event.index = columnIndex; |
| event.gc = gc; |
| Rectangle eventRect = new Rectangle (rect.x + contentX [0], rect.y, contentWidth [0], rect.height); |
| event.setBounds (DPIUtil.autoScaleDown (eventRect)); |
| event.detail = drawState; |
| sendEvent (SWT.PaintItem, event); |
| gc.dispose(); |
| } |
| } |
| } |
| } |
| |
| private GC getGC(long cr) { |
| GC gc; |
| GCData gcData = new GCData(); |
| gcData.cairo = cr; |
| gc = GC.gtk_new(this, gcData ); |
| return gc; |
| } |
| |
| void resetCustomDraw () { |
| if ((style & SWT.VIRTUAL) != 0 || ownerDraw) return; |
| int end = Math.max (1, columnCount); |
| for (int i=0; i<end; i++) { |
| boolean customDraw = columnCount != 0 ? columns [i].customDraw : firstCustomDraw; |
| if (customDraw) { |
| long column = GTK.gtk_tree_view_get_column (handle, i); |
| long textRenderer = getTextRenderer (column); |
| GTK.gtk_tree_view_column_set_cell_data_func (column, textRenderer, 0, 0, 0); |
| if (columnCount != 0) columns [i].customDraw = false; |
| } |
| } |
| firstCustomDraw = false; |
| } |
| |
| @Override |
| void reskinChildren (int flags) { |
| if (items != null) { |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) item.reskin (flags); |
| } |
| } |
| if (columns != null) { |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| if (!column.isDisposed ()) column.reskin (flags); |
| } |
| } |
| super.reskinChildren (flags); |
| } |
| |
| boolean searchEnabled () { |
| /* Disable searching when using VIRTUAL */ |
| if ((style & SWT.VIRTUAL) != 0) return false; |
| return true; |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already selected, it remains |
| * selected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void select (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) return; |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| TableItem item = _getItem (index); |
| GTK.gtk_tree_selection_select_iter (selection, item.handle); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Selects the items in the range specified by the given zero-relative |
| * indices in the receiver. The range of indices is inclusive. |
| * The current selection is not cleared before the new items are selected. |
| * <p> |
| * If an item in the given range is not selected, it is selected. |
| * If an item in the given range was already selected, it remains selected. |
| * Indices that are out of range are ignored and no items will be selected |
| * if start is greater than end. |
| * If the receiver is single-select and there is more than one item in the |
| * given range, then all indices are ignored. |
| * </p> |
| * |
| * @param start the start of the range |
| * @param end the end of the range |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#setSelection(int,int) |
| */ |
| public void select (int start, int end) { |
| checkWidget (); |
| if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; |
| if (itemCount == 0 || start >= itemCount) return; |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| for (int index=start; index<=end; index++) { |
| TableItem item = _getItem (index); |
| GTK.gtk_tree_selection_select_iter (selection, item.handle); |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selection is not cleared before the new items are selected. |
| * <p> |
| * If the item at a given index is not selected, it is selected. |
| * If the item at a given index was already selected, it remains selected. |
| * Indices that are out of range and duplicate indices are ignored. |
| * If the receiver is single-select and multiple indices are specified, |
| * then all indices are ignored. |
| * </p> |
| * |
| * @param indices the array of indices for the items to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#setSelection(int[]) |
| */ |
| public void select (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int length = indices.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| for (int i=0; i<length; i++) { |
| int index = indices [i]; |
| if (!(0 <= index && index < itemCount)) continue; |
| TableItem item = _getItem (index); |
| GTK.gtk_tree_selection_select_iter (selection, item.handle); |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Selects all of the items in the receiver. |
| * <p> |
| * If the receiver is single-select, do nothing. |
| * </p> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void selectAll () { |
| checkWidget(); |
| if ((style & SWT.SINGLE) != 0) return; |
| boolean fixColumn = showFirstColumn (); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_selection_select_all (selection); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| void selectFocusIndex (int index) { |
| /* |
| * Note that this method both selects and sets the focus to the |
| * specified index, so any previous selection in the list will be lost. |
| * gtk does not provide a way to just set focus to a specified list item. |
| */ |
| if (!(0 <= index && index < itemCount)) return; |
| TableItem item = _getItem (index); |
| long path = GTK.gtk_tree_model_get_path (modelHandle, item.handle); |
| long selection = GTK.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_view_set_cursor (handle, path, 0, false); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| GTK.gtk_tree_path_free (path); |
| } |
| |
| @Override |
| void setBackgroundGdkRGBA (long context, long handle, GdkRGBA rgba) { |
| /* Setting the background color overrides the selected background color. |
| * To prevent this, we need to re-set the default. This can be done with CSS |
| * on GTK3.14+, or by using GtkStateFlags as an argument to |
| * gtk_widget_override_background_color() on versions of GTK3 less than 3.16. |
| */ |
| if (rgba == null) { |
| background = defaultBackground(); |
| } else { |
| background = rgba; |
| } |
| GdkRGBA selectedBackground = display.getSystemColor(SWT.COLOR_LIST_SELECTION).handle; |
| String css = "treeview {background-color: " + display.gtk_rgba_to_css_string(background) + ";}\n"+ |
| "treeview:selected {background-color: " + display.gtk_rgba_to_css_string(selectedBackground) + ";}"; |
| |
| // Cache background color |
| cssBackground = css; |
| |
| // Apply background color and any foreground color |
| String finalCss = display.gtk_css_create_css_color_string (cssBackground, cssForeground, SWT.BACKGROUND); |
| gtk_css_provider_load_from_css(context, finalCss); |
| } |
| |
| @Override |
| void setBackgroundSurface (Image image) { |
| ownerDraw = true; |
| recreateRenderers (); |
| } |
| |
| @Override |
| int setBounds (int x, int y, int width, int height, boolean move, boolean resize) { |
| int result = super.setBounds (x, y, width, height, move, resize); |
| if (result != 0) { |
| boundsChangedSinceLastDraw = true; |
| } |
| /* |
| * Bug on GTK. The tree view sometimes does not get a paint |
| * event or resizes to a one pixel square when resized in a new |
| * shell that is not visible after any event loop has been run. The |
| * problem is intermittent. It doesn't seem to happen the first time |
| * a new shell is created. The fix is to ensure the tree view is realized |
| * after it has been resized. |
| */ |
| GTK.gtk_widget_realize (handle); |
| return result; |
| } |
| |
| /** |
| * Sets the order that the items in the receiver should |
| * be displayed in to the given argument which is described |
| * in terms of the zero-relative ordering of when the items |
| * were added. |
| * |
| * @param order the new order to display the items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> |
| * </ul> |
| * |
| * @see Table#getColumnOrder() |
| * @see TableColumn#getMoveable() |
| * @see TableColumn#setMoveable(boolean) |
| * @see SWT#Move |
| * |
| * @since 3.1 |
| */ |
| public void setColumnOrder (int [] order) { |
| checkWidget (); |
| if (order == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (columnCount == 0) { |
| if (order.length > 0) error (SWT.ERROR_INVALID_ARGUMENT); |
| return; |
| } |
| if (order.length != columnCount) error (SWT.ERROR_INVALID_ARGUMENT); |
| boolean [] seen = new boolean [columnCount]; |
| for (int i = 0; i<order.length; i++) { |
| int index = order [i]; |
| if (index < 0 || index >= columnCount) error (SWT.ERROR_INVALID_RANGE); |
| if (seen [index]) error (SWT.ERROR_INVALID_ARGUMENT); |
| seen [index] = true; |
| } |
| for (int i=0; i<order.length; i++) { |
| long column = columns [order [i]].handle; |
| long baseColumn = i == 0 ? 0 : columns [order [i-1]].handle; |
| GTK.gtk_tree_view_move_column_after (handle, column, baseColumn); |
| } |
| } |
| |
| @Override |
| void setFontDescription (long font) { |
| super.setFontDescription (font); |
| TableColumn[] columns = getColumns (); |
| for (int i = 0; i < columns.length; i++) { |
| if (columns[i] != null) { |
| columns[i].setFontDescription (font); |
| } |
| } |
| } |
| |
| @Override |
| void setForegroundGdkRGBA (GdkRGBA rgba) { |
| foreground = rgba; |
| GdkRGBA toSet = rgba == null ? display.COLOR_LIST_FOREGROUND_RGBA : rgba; |
| setForegroundGdkRGBA (handle, toSet); |
| } |
| |
| /** |
| * Sets the header background color to the color specified |
| * by the argument, or to the default system color if the argument is null. |
| * <p> |
| * Note: This operation is a <em>HINT</em> and is not supported on all platforms. If |
| * the native header has a 3D look and feel (e.g. Windows 7), this method |
| * will cause the header to look FLAT irrespective of the state of the table style. |
| * </p> |
| * @param color the new color (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @since 3.106 |
| */ |
| public void setHeaderBackground(Color color) { |
| checkWidget(); |
| if (color != null) { |
| if (color.isDisposed()) |
| error(SWT.ERROR_INVALID_ARGUMENT); |
| if (color.equals(headerBackground)) |
| return; |
| } |
| headerBackground = color; |
| GdkRGBA background; |
| if (headerBackground != null) { |
| background = headerBackground.handle; |
| } else { |
| background = defaultBackground(); |
| } |
| // background works for 3.18 and later, background-color only as of 3.20 |
| String css = "button {background: " + display.gtk_rgba_to_css_string(background) + ";}\n"; |
| headerCSSBackground = css; |
| String finalCss = display.gtk_css_create_css_color_string (headerCSSBackground, headerCSSForeground, SWT.BACKGROUND); |
| for (TableColumn column : columns) { |
| if (column != null) { |
| long context = GTK.gtk_widget_get_style_context(column.buttonHandle); |
| // Create provider as we need it attached to the proper context which is not the widget one |
| long provider = GTK.gtk_css_provider_new (); |
| GTK.gtk_style_context_add_provider (context, provider, GTK.GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); |
| OS.g_object_unref (provider); |
| if (GTK.GTK4) { |
| GTK.gtk_css_provider_load_from_data (provider, Converter.wcsToMbcs (finalCss, true), -1); |
| } else { |
| GTK.gtk_css_provider_load_from_data (provider, Converter.wcsToMbcs (finalCss, true), -1, null); |
| } |
| GTK.gtk_style_context_invalidate(context); |
| } |
| } |
| // Redraw not necessary, GTK handles the CSS update. |
| } |
| |
| /** |
| * Sets the header foreground color to the color specified |
| * by the argument, or to the default system color if the argument is null. |
| * <p> |
| * Note: This operation is a <em>HINT</em> and is not supported on all platforms. If |
| * the native header has a 3D look and feel (e.g. Windows 7), this method |
| * will cause the header to look FLAT irrespective of the state of the table style. |
| * </p> |
| * @param color the new color (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @since 3.106 |
| */ |
| public void setHeaderForeground (Color color) { |
| checkWidget(); |
| if (color != null) { |
| if (color.isDisposed()) |
| error(SWT.ERROR_INVALID_ARGUMENT); |
| if (color.equals(headerForeground)) |
| return; |
| } |
| headerForeground = color; |
| GdkRGBA foreground; |
| if (headerForeground != null) { |
| foreground = headerForeground.handle; |
| } else { |
| foreground = display.COLOR_LIST_FOREGROUND_RGBA; |
| } |
| String css = "button {color: " + display.gtk_rgba_to_css_string(foreground) + ";}"; |
| headerCSSForeground = css; |
| String finalCss = display.gtk_css_create_css_color_string (headerCSSBackground, headerCSSForeground, SWT.FOREGROUND); |
| for (TableColumn column : columns) { |
| if (column != null) { |
| long context = GTK.gtk_widget_get_style_context(column.buttonHandle); |
| // Create provider as we need it attached to the proper context which is not the widget one |
| long provider = GTK.gtk_css_provider_new (); |
| GTK.gtk_style_context_add_provider (context, provider, GTK.GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); |
| OS.g_object_unref (provider); |
| if (GTK.GTK4) { |
| GTK.gtk_css_provider_load_from_data (provider, Converter.wcsToMbcs (finalCss, true), -1); |
| } else { |
| GTK.gtk_css_provider_load_from_data (provider, Converter.wcsToMbcs (finalCss, true), -1, null); |
| } |
| GTK.gtk_style_context_invalidate(context); |
| } |
| } |
| // Redraw not necessary, GTK handles the CSS update. |
| } |
| |
| /** |
| * Marks the receiver's header as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param show the new visibility state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setHeaderVisible (boolean show) { |
| checkWidget (); |
| GTK.gtk_tree_view_set_headers_visible (handle, show); |
| this.headerHeight = this.getHeaderHeight(); |
| this.headerVisible = show; |
| } |
| |
| /** |
| * Sets the number of items contained in the receiver. |
| * |
| * @param count the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void setItemCount (int count) { |
| checkWidget (); |
| count = Math.max (0, count); |
| if (count == itemCount) return; |
| boolean isVirtual = (style & SWT.VIRTUAL) != 0; |
| if (!isVirtual) setRedraw (false); |
| remove (count, itemCount - 1); |
| int length = Math.max (4, (count + 3) / 4 * 4); |
| TableItem [] newItems = new TableItem [length]; |
| System.arraycopy (items, 0, newItems, 0, itemCount); |
| items = newItems; |
| if (isVirtual) { |
| long iter = OS.g_malloc (GTK.GtkTreeIter_sizeof ()); |
| if (iter == 0) error (SWT.ERROR_NO_HANDLES); |
| if (fixAccessibility ()) { |
| ignoreAccessibility = true; |
| } |
| for (int i=itemCount; i<count; i++) { |
| GTK.gtk_list_store_append (modelHandle, iter); |
| } |
| if (fixAccessibility ()) { |
| ignoreAccessibility = false; |
| OS.g_object_notify (handle, OS.model); |
| } |
| OS.g_free (iter); |
| itemCount = count; |
| } else { |
| for (int i=itemCount; i<count; i++) { |
| new TableItem (this, SWT.NONE, i, true); |
| } |
| } |
| if (!isVirtual) setRedraw (true); |
| } |
| |
| /** |
| * Marks the receiver's lines as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. Note that some platforms draw grid lines |
| * while others may draw alternating row colors. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param show the new visibility state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setLinesVisible (boolean show) { |
| checkWidget(); |
| //Note: this is overriden by the active theme in GTK3. |
| GTK.gtk_tree_view_set_grid_lines (handle, show ? GTK.GTK_TREE_VIEW_GRID_LINES_VERTICAL : GTK.GTK_TREE_VIEW_GRID_LINES_NONE); |
| } |
| |
| void setModel (long newModel) { |
| display.removeWidget (modelHandle); |
| OS.g_object_unref (modelHandle); |
| modelHandle = newModel; |
| display.addWidget (modelHandle, this); |
| if (fixAccessibility ()) { |
| OS.g_signal_connect_closure (modelHandle, OS.row_inserted, display.getClosure (ROW_INSERTED), true); |
| OS.g_signal_connect_closure (modelHandle, OS.row_deleted, display.getClosure (ROW_DELETED), true); |
| } |
| } |
| |
| @Override |
| void setOrientation (boolean create) { |
| super.setOrientation (create); |
| for (int i=0; i<itemCount; i++) { |
| if (items[i] != null) items[i].setOrientation (create); |
| } |
| for (int i=0; i<columnCount; i++) { |
| if (columns[i] != null) columns[i].setOrientation (create); |
| } |
| } |
| |
| @Override |
| void setParentBackground () { |
| ownerDraw = true; |
| recreateRenderers (); |
| } |
| |
| @Override |
| void setParentGdkResource (Control child) { |
| /* |
| * Feature in GTK3: non-native GdkWindows are not drawn implicitly |
| * as of GTK3.10+. It is the client's responsibility to propagate draw |
| * events to these windows in the "draw" signal handler. |
| * |
| * This change breaks table editing on GTK3.10+, as the table editor |
| * widgets no longer receive draw signals. The fix is to connect the |
| * Table's fixedHandle to the draw signal, and propagate the draw |
| * signal using gtk_container_propagate_draw(). See bug 531928. |
| */ |
| if (GTK.GTK4) { |
| long parentGdkSurface = eventSurface (); |
| GTK.gtk_widget_set_parent_surface (child.topHandle(), parentGdkSurface); |
| // TODO: implement connectFixedHandleDraw with the "snapshot" signal |
| } else { |
| long parentGdkWindow = eventWindow (); |
| GTK.gtk_widget_set_parent_window (child.topHandle(), parentGdkWindow); |
| hasChildren = true; |
| connectFixedHandleDraw(); |
| } |
| } |
| |
| @Override |
| public void setRedraw (boolean redraw) { |
| checkWidget(); |
| super.setRedraw (redraw); |
| if (redraw && drawCount == 0) { |
| /* Resize the item array to match the item count */ |
| if (items.length > 4 && items.length - itemCount > 3) { |
| int length = Math.max (4, (itemCount + 3) / 4 * 4); |
| TableItem [] newItems = new TableItem [length]; |
| System.arraycopy (items, 0, newItems, 0, itemCount); |
| items = newItems; |
| } |
| } |
| } |
| |
| void setScrollWidth (long column, TableItem item) { |
| if (columnCount != 0 || currentItem == item) return; |
| int width = GTK.gtk_tree_view_column_get_fixed_width (column); |
| int itemWidth = calculateWidth (column, item.handle); |
| if (width < itemWidth) { |
| GTK.gtk_tree_view_column_set_fixed_width (column, itemWidth); |
| } |
| } |
| |
| /** |
| * Sets the column used by the sort indicator for the receiver. A null |
| * value will clear the sort indicator. The current sort column is cleared |
| * before the new column is set. |
| * |
| * @param column the column used by the sort indicator or <code>null</code> |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setSortColumn (TableColumn column) { |
| checkWidget (); |
| if (column != null && column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (sortColumn != null && !sortColumn.isDisposed()) { |
| GTK.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, false); |
| } |
| sortColumn = column; |
| if (sortColumn != null && sortDirection != SWT.NONE) { |
| GTK.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, true); |
| GTK.gtk_tree_view_column_set_sort_order (sortColumn.handle, sortDirection == SWT.DOWN ? 0 : 1); |
| } |
| } |
| |
| /** |
| * Sets the direction of the sort indicator for the receiver. The value |
| * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. |
| * |
| * @param direction the direction of the sort indicator |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setSortDirection (int direction) { |
| checkWidget (); |
| if (direction != SWT.UP && direction != SWT.DOWN && direction != SWT.NONE) return; |
| sortDirection = direction; |
| if (sortColumn == null || sortColumn.isDisposed ()) return; |
| if (sortDirection == SWT.NONE) { |
| GTK.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, false); |
| } else { |
| GTK.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, true); |
| GTK.gtk_tree_view_column_set_sort_order (sortColumn.handle, sortDirection == SWT.DOWN ? 0 : 1); |
| } |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * The current selection is first cleared, then the new item is selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * |
| * @param index the index of the item to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#deselectAll() |
| * @see Table#select(int) |
| */ |
| public void setSelection (int index) { |
| checkWidget (); |
| boolean fixColumn = showFirstColumn (); |
| deselectAll (); |
| selectFocusIndex (index); |
| showSelection (); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Selects the items in the range specified by the given zero-relative |
| * indices in the receiver. The range of indices is inclusive. |
| * The current selection is cleared before the new items are selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <p> |
| * Indices that are out of range are ignored and no items will be selected |
| * if start is greater than end. |
| * If the receiver is single-select and there is more than one item in the |
| * given range, then all indices are ignored. |
| * </p> |
| * |
| * @param start the start index of the items to select |
| * @param end the end index of the items to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#deselectAll() |
| * @see Table#select(int,int) |
| */ |
| public void setSelection (int start, int end) { |
| checkWidget (); |
| deselectAll(); |
| if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; |
| if (itemCount == 0 || start >= itemCount) return; |
| boolean fixColumn = showFirstColumn (); |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| selectFocusIndex (start); |
| if ((style & SWT.MULTI) != 0) { |
| select (start, end); |
| } |
| showSelection (); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selection is cleared before the new items are selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <p> |
| * Indices that are out of range and duplicate indices are ignored. |
| * If the receiver is single-select and multiple indices are specified, |
| * then all indices are ignored. |
| * </p> |
| * |
| * @param indices the indices of the items to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#deselectAll() |
| * @see Table#select(int[]) |
| */ |
| public void setSelection (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = indices.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| boolean fixColumn = showFirstColumn (); |
| selectFocusIndex (indices [0]); |
| if ((style & SWT.MULTI) != 0) { |
| select (indices); |
| } |
| showSelection (); |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Sets the receiver's selection to the given item. |
| * The current selection is cleared before the new item is selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <p> |
| * If the item is not in the receiver, then it is ignored. |
| * </p> |
| * |
| * @param item the item to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setSelection (TableItem item) { |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| setSelection (new TableItem [] {item}); |
| } |
| |
| |
| /** |
| * Sets the receiver's selection to be the given array of items. |
| * The current selection is cleared before the new items are selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <p> |
| * Items that are not in the receiver are ignored. |
| * If the receiver is single-select and multiple items are specified, |
| * then all items are ignored. |
| * </p> |
| * |
| * @param items the array of items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#deselectAll() |
| * @see Table#select(int[]) |
| * @see Table#setSelection(int[]) |
| */ |
| public void setSelection (TableItem [] items) { |
| checkWidget (); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| boolean fixColumn = showFirstColumn (); |
| deselectAll (); |
| int length = items.length; |
| if (!(length == 0 || ((style & SWT.SINGLE) != 0 && length > 1))) { |
| boolean first = true; |
| for (int i = 0; i < length; i++) { |
| int index = indexOf (items [i]); |
| if (index != -1) { |
| if (first) { |
| first = false; |
| selectFocusIndex (index); |
| } else { |
| select (index); |
| } |
| } |
| } |
| showSelection (); |
| } |
| if (fixColumn) hideFirstColumn (); |
| } |
| |
| /** |
| * Sets the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items |
| * are scrolled or new items are added and removed. |
| * |
| * @param index the index of the top item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setTopIndex (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) return; |
| /* |
| * Feature in GTK: cache the GtkAdjustment value for future use in |
| * getTopIndex(). Set topIndex to index. |
| */ |
| long vAdjustment; |
| vAdjustment = GTK.gtk_scrollable_get_vadjustment(handle); |
| cachedAdjustment = GTK.gtk_adjustment_get_value(vAdjustment); |
| topIndex = index; |
| long path = GTK.gtk_tree_model_get_path (modelHandle, _getItem (index).handle); |
| GTK.gtk_tree_view_scroll_to_cell (handle, path, 0, true, 0f, 0f); |
| GTK.gtk_tree_path_free (path); |
| } |
| |
| /** |
| * Shows the column. If the column is already showing in the receiver, |
| * this method simply returns. Otherwise, the columns are scrolled until |
| * the column is visible. |
| * |
| * @param column the column to be shown |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the column is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the column has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.0 |
| */ |
| public void showColumn (TableColumn column) { |
| checkWidget (); |
| if (column == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (column.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if (column.parent != this) return; |
| |
| GTK.gtk_tree_view_scroll_to_cell (handle, 0, column.handle, false, 0, 0); |
| } |
| |
| boolean showFirstColumn () { |
| /* |
| * Bug in GTK. If no columns are visible, changing the selection |
| * will fail. The fix is to temporarily make a column visible. |
| */ |
| int columnCount = Math.max (1, this.columnCount); |
| for (int i=0; i<columnCount; i++) { |
| long column = GTK.gtk_tree_view_get_column (handle, i); |
| if (GTK.gtk_tree_view_column_get_visible (column)) return false; |
| } |
| long firstColumn = GTK.gtk_tree_view_get_column (handle, 0); |
| GTK.gtk_tree_view_column_set_visible (firstColumn, true); |
| return true; |
| } |
| |
| /** |
| * Shows the item. If the item is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled until |
| * the item is visible. |
| * |
| * @param item the item to be shown |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#showSelection() |
| */ |
| public void showItem (TableItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (item.parent != this) return; |
| showItem (item.handle); |
| } |
| |
| void showItem (long iter) { |
| long path = GTK.gtk_tree_model_get_path (modelHandle, iter); |
| |
| GTK.gtk_tree_view_scroll_to_cell (handle, path, 0, false, 0, 0); |
| GTK.gtk_tree_path_free (path); |
| } |
| |
| /** |
| * Shows the selection. If the selection is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled until |
| * the selection is visible. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Table#showItem(TableItem) |
| */ |
| public void showSelection () { |
| checkWidget(); |
| TableItem [] selection = getSelection (); |
| if (selection.length == 0) return; |
| TableItem item = selection [0]; |
| showItem (item.handle); |
| } |
| |
| @Override |
| void updateScrollBarValue (ScrollBar bar) { |
| super.updateScrollBarValue (bar); |
| /* |
| * Bug in GTK. Scrolling changes the XWindow position |
| * and makes the child widgets appear to scroll even |
| * though when queried their position is unchanged. |
| * The fix is to queue a resize event for each child to |
| * force the position to be corrected. |
| */ |
| long parentHandle = parentingHandle (); |
| long list = GTK.gtk_container_get_children (parentHandle); |
| if (list == 0) return; |
| long temp = list; |
| while (temp != 0) { |
| long widget = OS.g_list_data (temp); |
| if (widget != 0) GTK.gtk_widget_queue_resize (widget); |
| temp = OS.g_list_next (temp); |
| } |
| OS.g_list_free (list); |
| } |
| |
| @Override |
| long windowProc (long handle, long arg0, long user_data) { |
| switch ((int)user_data) { |
| case EXPOSE_EVENT: { |
| /* |
| * If this Table has any child widgets, propagate the draw signal |
| * to them using gtk_container_propagate_draw(). See bug 531928. |
| */ |
| if (hasChildren) { |
| /* |
| * If headers are visible, set noChildDrawing to true |
| * this will prevent any child widgets from drawing |
| * over the header buttons. See bug 535978. |
| */ |
| if (headerVisible) { |
| noChildDrawing = true; |
| } |
| propagateDraw(handle, arg0); |
| } |
| break; |
| } |
| case EXPOSE_EVENT_INVERSE: { |
| /* |
| * Feature in GTK. When the GtkTreeView has no items it does not propagate |
| * expose events. The fix is to fill the background in the inverse expose |
| * event. |
| */ |
| if (itemCount == 0 && (state & OBSCURED) == 0 && !GTK.GTK4) { |
| if ((state & PARENT_BACKGROUND) != 0 || backgroundImage != null) { |
| Control control = findBackgroundControl (); |
| if (control != null) { |
| long window = GTK.gtk_tree_view_get_bin_window (handle); |
| if (window == GTK.gtk_widget_get_window(handle)) { |
| GdkRectangle rect = new GdkRectangle (); |
| GDK.gdk_cairo_get_clip_rectangle (arg0, rect); |
| drawBackground (control, window, arg0, rect.x, rect.y, rect.width, rect.height); |
| } |
| } |
| } |
| } |
| break; |
| } |
| } |
| return super.windowProc (handle, arg0, user_data); |
| } |
| |
| @Override |
| Point resizeCalculationsGTK3 (long widget, int width, int height) { |
| Point sizes = super.resizeCalculationsGTK3(widget, width, height); |
| /* |
| * Bug - Resizing Problems View can cause invalid rectangle errors on standard eror |
| * |
| * When resizing an SWT tree or table, its possible that the horizontal scrollbar overlaps with the column headers. |
| * This is possible due to SWT native resizing on the scrolled window of the tree or table. |
| * To avoid the error, we set a minimal size for the scrolled window. |
| * This height is equal to the header and scrollbar heights if both are visible, |
| * plus the total border height (bottom and top border height combined). |
| * In the error case, the SWT fixed which contains the table still resizes as expected, |
| * and the horizontal scrollbar is only partially visible so that it doesn't overlap with table headers. |
| */ |
| if (widget == scrolledHandle && getHeaderVisible()) { |
| int hScrollBarHeight = hScrollBarWidth(); // this actually returns height |
| if (hScrollBarHeight > 0) { |
| sizes.y = Math.max(sizes.y, getHeaderHeight() + hScrollBarHeight + (getBorderWidth() * 2)); |
| } |
| } |
| return sizes; |
| } |
| |
| /** |
| * Check the table item range [start, end) for items that are in process of |
| * sending {@code SWT#SetData} event. If such items exist, throw an exception. |
| * |
| * Does nothing if the given range contains no indices. |
| * |
| * @param start index of first item to check |
| * @param end index after the last item to check |
| */ |
| void checkSetDataInProcessBeforeRemoval(int start, int end) { |
| /* |
| * Bug 182598 - assertion failed in gtktreestore.c |
| * |
| * To prevent a crash in GTK, we ensure we are not setting data on the tree items we are about to remove. |
| * Removing an item while its data is being set will invalidate it, which will cause a crash. |
| * |
| * We therefore throw an exception to prevent the crash. |
| */ |
| for (int i = start; i < end; i++) { |
| TableItem item = items[i]; |
| if (item != null && item.settingData) { |
| String message = "Cannot remove a table item while its data is being set. " |
| + "At item " + i + " in range [" + start + ", " + end + ")."; |
| throw new SWTException(message); |
| } |
| } |
| } |
| } |