| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.gtk.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.events.*; |
| |
| /** |
| * Instances of this class implement a selectable user interface |
| * object that displays a list of images and strings and issue |
| * notificiation when selected. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>TableItem</code>. |
| * </p><p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to add <code>Control</code> children to it, |
| * or set a layout on it. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection, DefaultSelection</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> |
| */ |
| public class Table extends Composite { |
| int /*long*/ modelHandle, checkRenderer; |
| int itemCount, columnCount, lastIndexOf, lastDataIndex = -1; |
| int /*long*/ ignoreTextCell, ignorePixbufCell; |
| TableItem [] items; |
| TableColumn [] columns; |
| ImageList imageList; |
| boolean firstCustomDraw; |
| |
| 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; |
| |
| /** |
| * 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 Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Table (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| TableItem _getItem (int index) { |
| if (items [index] != null) return items [index]; |
| return items [index] = new TableItem (this, SWT.NONE, index, false); |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * To be compatible with Windows, force the H_SCROLL |
| * and V_SCROLL style bits. On Windows, it is not |
| * possible to create a table without scroll bars. |
| */ |
| style |= SWT.H_SCROLL | SWT.V_SCROLL; |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the receiver's selection changes, 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 reciever has <code>SWT.CHECK</code> style set 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 |
| * |
| * @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 /*long*/ textCellDataProc (int /*long*/ tree_column, int /*long*/ cell, int /*long*/ tree_model, int /*long*/ iter, int /*long*/ data) { |
| if (cell == ignoreTextCell) return 0; |
| int modelIndex = -1; |
| boolean customDraw = false; |
| if (columnCount == 0) { |
| modelIndex = Table.FIRST_COLUMN; |
| customDraw = firstCustomDraw; |
| } else { |
| for (int i = 0; i < columns.length; i++) { |
| if (columns [i] != null && columns [i].handle == tree_column) { |
| modelIndex = columns [i].modelIndex; |
| customDraw = columns [i].customDraw; |
| break; |
| } |
| } |
| } |
| if (modelIndex == -1) return 0; |
| boolean setData = setCellData (tree_model, iter); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| if (setData) { |
| OS.gtk_tree_model_get (tree_model, iter, modelIndex + 1, ptr, -1); //text |
| if (ptr [0] != 0) { |
| OS.g_object_set(cell, OS.text, ptr[0], 0); |
| OS.g_free (ptr[0]); |
| } |
| ptr = new int /*long*/ [1]; |
| } |
| if (customDraw) { |
| OS.gtk_tree_model_get (tree_model, iter, modelIndex + 2, ptr, -1); //foreground-gdk |
| if (ptr [0] != 0) { |
| OS.g_object_set(cell, OS.foreground_gdk, ptr[0], 0); |
| } |
| ptr = new int /*long*/ [1]; |
| OS.gtk_tree_model_get (tree_model, iter, modelIndex + 3, ptr, -1); //background-gdk |
| if (ptr [0] != 0) { |
| OS.g_object_set(cell, OS.background_gdk, ptr[0], 0); |
| } |
| ptr = new int /*long*/ [1]; |
| OS.gtk_tree_model_get (tree_model, iter, modelIndex + 4, ptr, -1); //font-desc |
| if (ptr [0] != 0) { |
| OS.g_object_set(cell, OS.font_desc, ptr[0], 0); |
| } |
| } |
| if (setData) { |
| ignoreTextCell = cell; |
| setScrollWidth (tree_column, iter); |
| ignoreTextCell = 0; |
| } |
| return 0; |
| } |
| int /*long*/ pixbufCellDataProc (int /*long*/ tree_column, int /*long*/ cell, int /*long*/ tree_model, int /*long*/ iter, int /*long*/ data) { |
| if (cell == ignorePixbufCell) return 0; |
| int modelIndex = -1; |
| boolean customDraw = false; |
| if (columnCount == 0) { |
| modelIndex = Table.FIRST_COLUMN; |
| customDraw = firstCustomDraw; |
| } else { |
| for (int i = 0; i < columns.length; i++) { |
| if (columns [i] != null && columns [i].handle == tree_column) { |
| modelIndex = columns [i].modelIndex; |
| customDraw = columns [i].customDraw; |
| break; |
| } |
| } |
| } |
| if (modelIndex == -1) return 0; |
| boolean setData = setCellData (tree_model, iter); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| if (setData) { |
| OS.gtk_tree_model_get (tree_model, iter, modelIndex, ptr, -1); //pixbuf |
| OS.g_object_set(cell, OS.pixbuf, ptr[0], 0); |
| ptr = new int /*long*/ [1]; |
| } |
| if (customDraw) { |
| OS.gtk_tree_model_get (tree_model, iter, modelIndex + 3, ptr, -1); //cell-background-gdk |
| if (ptr [0] != 0) { |
| OS.g_object_set(cell, OS.cell_background_gdk, ptr[0], 0); |
| } |
| } |
| if (setData) { |
| ignorePixbufCell = cell; |
| setScrollWidth (tree_column, iter); |
| ignorePixbufCell = 0; |
| } |
| return 0; |
| } |
| |
| int calculateWidth (int /*long*/ column, int /*long*/ iter) { |
| OS.gtk_tree_view_column_cell_set_cell_data (column, modelHandle, iter, false, false); |
| int [] width = new int [1]; |
| OS.gtk_tree_view_column_cell_get_size (column, null, null, null, width, null); |
| return width [0]; |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0; |
| if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0; |
| Point size = computeNativeSize(handle, wHint, hHint, changed); |
| Rectangle trim = computeTrim (0, 0, size.x, size.y); |
| size.x = trim.width; |
| size.y = trim.height; |
| return size; |
| } |
| |
| /** |
| * Clears the item at the given zero-relative index in the receiver. |
| * The text, icon and other attribues of the item are set to the default |
| * value. If the table was created with the SWT.VIRTUAL 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 attribues of the items are set to their default values. |
| * If the table was created with the SWT.VIRTUAL 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 attribues of the items are set to their default |
| * values. If the table was created with the SWT.VIRTUAL 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 |
| * attribues of the items are set to their default values. If the |
| * table was created with the SWT.VIRTUAL 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(); |
| } |
| } |
| |
| void createHandle (int index) { |
| state |= HANDLE; |
| fixedHandle = OS.gtk_fixed_new (); |
| if (fixedHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_fixed_set_has_window (fixedHandle, true); |
| scrolledHandle = OS.gtk_scrolled_window_new (0, 0); |
| if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| /* |
| * Columns: |
| * 0 - check |
| * 1 - grayed |
| * 2 - foreground for row |
| * 3 - background for row |
| * 4 - font for row |
| * 5 - pixbuf for cell |
| * 6 - text for cell |
| * 7 - foreground for cell |
| * 8 - background for cell |
| * 9 - font for cell |
| * 10 - ... |
| */ |
| int /*long*/ [] types = getColumnTypes (1); |
| modelHandle = OS.gtk_list_store_newv (types.length, types); |
| if (modelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = OS.gtk_tree_view_new_with_model (modelHandle); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| if ((style & SWT.CHECK) != 0) { |
| checkRenderer = OS.gtk_cell_renderer_toggle_new (); |
| if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.g_object_ref (checkRenderer); |
| } |
| createColumn (null, 0); |
| int /*long*/ parentHandle = parent.parentingHandle (); |
| OS.gtk_container_add (parentHandle, fixedHandle); |
| OS.gtk_container_add (fixedHandle, scrolledHandle); |
| OS.gtk_container_add (scrolledHandle, handle); |
| OS.gtk_widget_show (fixedHandle); |
| OS.gtk_widget_show (scrolledHandle); |
| OS.gtk_widget_show (handle); |
| |
| int mode = (style & SWT.MULTI) != 0 ? OS.GTK_SELECTION_MULTIPLE : OS.GTK_SELECTION_BROWSE; |
| int /*long*/ selectionHandle = OS.gtk_tree_view_get_selection (handle); |
| OS.gtk_tree_selection_set_mode (selectionHandle, mode); |
| OS.gtk_tree_view_set_headers_visible (handle, false); |
| int hsp = (style & SWT.H_SCROLL) != 0 ? OS.GTK_POLICY_AUTOMATIC : OS.GTK_POLICY_NEVER; |
| int vsp = (style & SWT.V_SCROLL) != 0 ? OS.GTK_POLICY_AUTOMATIC : OS.GTK_POLICY_NEVER; |
| OS.gtk_scrolled_window_set_policy (scrolledHandle, hsp, vsp); |
| if ((style & SWT.BORDER) != 0) OS.gtk_scrolled_window_set_shadow_type (scrolledHandle, OS.GTK_SHADOW_ETCHED_IN); |
| if ((style & SWT.VIRTUAL) != 0) { |
| /* |
| * Feature in GTK. The fixed_height_mode property only exists in GTK 2.3.2 and greater. |
| */ |
| if (OS.gtk_major_version () * 100 + OS.gtk_minor_version () * 10 + OS.gtk_micro_version () >= 232) { |
| OS.g_object_set (handle, OS.fixed_height_mode, true, 0); |
| } |
| } |
| } |
| |
| void createColumn (TableColumn column, int index) { |
| int modelIndex = FIRST_COLUMN; |
| if (columnCount != 0) { |
| int modelLength = OS.gtk_tree_model_get_n_columns (modelHandle); |
| boolean [] usedColumns = new boolean [modelLength]; |
| for (int i=0; i<columnCount; i++) { |
| int columnIndex = columns [i].modelIndex; |
| usedColumns [columnIndex] = usedColumns [columnIndex + 1] = usedColumns [columnIndex + 2] = usedColumns [columnIndex + 3] = usedColumns [columnIndex + 4] = true; |
| } |
| while (modelIndex < modelLength) { |
| if (!usedColumns [modelIndex]) break; |
| modelIndex++; |
| } |
| if (modelIndex == modelLength) { |
| int /*long*/ oldModel = modelHandle; |
| int /*long*/[] types = getColumnTypes (columnCount + 5); |
| int /*long*/ newModel = OS.gtk_list_store_newv (types.length, types); |
| if (newModel == 0) error (SWT.ERROR_NO_HANDLES); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| for (int i=0; i<itemCount; i++) { |
| int /*long*/ newItem = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| if (newItem == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_list_store_append (newModel, newItem); |
| TableItem item = items [i]; |
| if (item != null) { |
| int /*long*/ oldItem = item.handle; |
| for (int j=0; j<modelLength; j++) { |
| OS.gtk_tree_model_get (oldModel, oldItem, j, ptr, -1); |
| OS.gtk_list_store_set (newModel, newItem, j, ptr [0], -1); |
| if (types [j] == OS.G_TYPE_STRING ()) OS.g_free ((ptr [0])); |
| } |
| OS.gtk_list_store_remove (oldModel, oldItem); |
| OS.g_free (oldItem); |
| item.handle = newItem; |
| } else { |
| OS.g_free (newItem); |
| } |
| } |
| OS.gtk_tree_view_set_model (handle, newModel); |
| OS.g_object_unref (oldModel); |
| modelHandle = newModel; |
| } |
| } |
| int /*long*/ columnHandle = OS.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) { |
| OS.gtk_tree_view_column_set_sizing (columnHandle, OS.GTK_TREE_VIEW_COLUMN_AUTOSIZE); |
| } else { |
| OS.gtk_tree_view_column_set_sizing (columnHandle, OS.GTK_TREE_VIEW_COLUMN_FIXED); |
| OS.gtk_tree_view_column_set_fixed_width (columnHandle, 10); |
| } |
| OS.gtk_tree_view_column_set_resizable (columnHandle, true); |
| OS.gtk_tree_view_column_set_clickable (columnHandle, true); |
| OS.gtk_tree_view_insert_column (handle, columnHandle, index); |
| if (column != null) { |
| column.handle = columnHandle; |
| column.modelIndex = modelIndex; |
| } |
| } |
| |
| void createRenderers (int /*long*/ columnHandle, int modelIndex, boolean check, int columnStyle) { |
| OS.gtk_tree_view_column_clear (columnHandle); |
| if ((style & SWT.CHECK) != 0 && check) { |
| OS.gtk_tree_view_column_pack_start (columnHandle, checkRenderer, false); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, "active", CHECKED_COLUMN); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, "cell-background-gdk", BACKGROUND_COLUMN); |
| |
| /* |
| * Feature in GTK. The inconsistent property only exists in GTK 2.2.x. |
| */ |
| if (OS.gtk_major_version () > 2 || (OS.gtk_major_version () == 2 && OS.gtk_minor_version () >= 2)) { |
| OS.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, "inconsistent", GRAYED_COLUMN); |
| } |
| } |
| int /*long*/ pixbufRenderer = OS.gtk_cell_renderer_pixbuf_new (); |
| if (pixbufRenderer == 0) error (SWT.ERROR_NO_HANDLES); |
| int /*long*/ textRenderer = OS.gtk_cell_renderer_text_new (); |
| if (textRenderer == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| /* |
| * Feature on 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, OS.GTK_CELL_RENDERER_MODE_ACTIVATABLE, 0); |
| } |
| |
| /* Set alignment */ |
| if ((columnStyle & SWT.RIGHT) != 0) { |
| OS.g_object_set (textRenderer, OS.xalign, 1f, 0); |
| OS.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); |
| OS.gtk_tree_view_column_pack_start (columnHandle, textRenderer, true); |
| OS.gtk_tree_view_column_set_alignment (columnHandle, 1f); |
| } else if ((columnStyle & SWT.CENTER) != 0) { |
| OS.g_object_set (textRenderer, OS.xalign, 0.5f, 0); |
| OS.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); |
| OS.gtk_tree_view_column_pack_end (columnHandle, textRenderer, true); |
| OS.gtk_tree_view_column_set_alignment (columnHandle, 0.5f); |
| } else { |
| OS.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); |
| OS.gtk_tree_view_column_pack_start (columnHandle, textRenderer, true); |
| OS.gtk_tree_view_column_set_alignment (columnHandle, 0f); |
| } |
| |
| /* Add attributes */ |
| OS.gtk_tree_view_column_add_attribute (columnHandle, pixbufRenderer, "pixbuf", modelIndex); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, pixbufRenderer, "cell-background-gdk", BACKGROUND_COLUMN); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, "text", modelIndex + 1); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, "foreground-gdk", FOREGROUND_COLUMN); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, "background-gdk", BACKGROUND_COLUMN); |
| OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, "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) { |
| OS.gtk_tree_view_column_set_cell_data_func (columnHandle, textRenderer, display.textCellDataProc, handle, 0); |
| OS.gtk_tree_view_column_set_cell_data_func (columnHandle, pixbufRenderer, display.pixbufCellDataProc, handle, 0); |
| } |
| } |
| |
| void createItem (TableColumn column, int index) { |
| if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); |
| if (columnCount == 0) { |
| column.handle = OS.gtk_tree_view_get_column (handle, 0); |
| OS.gtk_tree_view_column_set_sizing (column.handle, OS.GTK_TREE_VIEW_COLUMN_FIXED); |
| OS.gtk_tree_view_column_set_fixed_width (column.handle, 10); |
| column.modelIndex = FIRST_COLUMN; |
| createRenderers (column.handle, column.modelIndex, true, column.style); |
| column.customDraw = firstCustomDraw; |
| firstCustomDraw = false; |
| } else { |
| createColumn (column, index); |
| } |
| int /*long*/ boxHandle = OS.gtk_hbox_new (false, 3); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| int /*long*/ labelHandle = OS.gtk_label_new_with_mnemonic (null); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| int /*long*/ imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_container_add (boxHandle, imageHandle); |
| OS.gtk_container_add (boxHandle, labelHandle); |
| OS.gtk_widget_show (boxHandle); |
| OS.gtk_widget_show (labelHandle); |
| column.boxHandle = boxHandle; |
| column.labelHandle = labelHandle; |
| column.imageHandle = imageHandle; |
| OS.gtk_tree_view_column_set_widget (column.handle, boxHandle); |
| int /*long*/ widget = OS.gtk_widget_get_parent (boxHandle); |
| while (widget != handle) { |
| if (OS.GTK_IS_BUTTON (widget)) { |
| column.buttonHandle = widget; |
| break; |
| } |
| widget = OS.gtk_widget_get_parent (widget); |
| } |
| 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; |
| column.setFontDescription (getFontDescription ()); |
| } |
| |
| void createItem (TableItem item, int index) { |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| if (itemCount == items.length) { |
| int newLength = drawCount == 0 ? items.length + 4 : items.length * 3 / 2; |
| TableItem [] newItems = new TableItem [newLength]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| item.handle = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| if (item.handle == 0) error (SWT.ERROR_NO_HANDLES); |
| if (index == itemCount) { |
| OS.gtk_list_store_append (modelHandle, item.handle); |
| } else { |
| OS.gtk_list_store_insert (modelHandle, item.handle, index); |
| } |
| System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
| items [index] = item; |
| } |
| |
| void createWidget (int index) { |
| super.createWidget (index); |
| items = new TableItem [4]; |
| columns = new TableColumn [4]; |
| itemCount = columnCount = 0; |
| } |
| |
| void deregister() { |
| super.deregister (); |
| display.removeWidget (OS.gtk_tree_view_get_selection (handle)); |
| if (checkRenderer != 0) display.removeWidget (checkRenderer); |
| } |
| |
| /** |
| * 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; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| OS.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); |
| } |
| |
| /** |
| * 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(); |
| int /*long*/ selection = OS.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; |
| OS.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); |
| } |
| |
| /** |
| * 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); |
| int /*long*/ selection = OS.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; |
| OS.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); |
| } |
| |
| /** |
| * 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(); |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| OS.gtk_tree_selection_unselect_all (selection); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| } |
| |
| void destroyItem (TableColumn column) { |
| int index = 0; |
| while (index < columnCount) { |
| if (columns [index] == column) break; |
| index++; |
| } |
| if (index == columnCount) return; |
| int /*long*/ columnHandle = column.handle; |
| if (columnCount == 1) { |
| firstCustomDraw = column.customDraw; |
| } |
| System.arraycopy (columns, index + 1, columns, index, --columnCount - index); |
| columns [columnCount] = null; |
| column.deregister (); |
| OS.gtk_tree_view_remove_column (handle, columnHandle); |
| if (columnCount == 0) { |
| int /*long*/ oldModel = modelHandle; |
| int /*long*/[] types = getColumnTypes (1); |
| int /*long*/ newModel = OS.gtk_list_store_newv (types.length, types); |
| if (newModel == 0) error (SWT.ERROR_NO_HANDLES); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| for (int i=0; i<itemCount; i++) { |
| int /*long*/ newItem = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| if (newItem == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_list_store_append (newModel, newItem); |
| TableItem item = items [i]; |
| if (item != null) { |
| int /*long*/ oldItem = item.handle; |
| for (int j=0; j<FIRST_COLUMN; j++) { |
| OS.gtk_tree_model_get (oldModel, oldItem, j, ptr, -1); |
| OS.gtk_list_store_set (newModel, newItem, j, ptr [0], -1); |
| } |
| OS.gtk_tree_model_get (oldModel, oldItem, column.modelIndex, ptr, -1); //image |
| OS.gtk_list_store_set (newModel, newItem, FIRST_COLUMN, ptr [0], -1); |
| OS.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + 1, ptr, -1); //text |
| OS.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + 1, ptr [0], -1); |
| OS.g_free (ptr [0]); |
| OS.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + 2, ptr, -1); //foreground |
| OS.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + 2, ptr [0], -1); |
| OS.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + 3, ptr, -1); //background |
| OS.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + 3, ptr [0], -1); |
| OS.gtk_tree_model_get (oldModel, oldItem, column.modelIndex + 4, ptr, -1); //font |
| OS.gtk_list_store_set (newModel, newItem, FIRST_COLUMN + 4, ptr [0], -1); |
| OS.gtk_list_store_remove (oldModel, oldItem); |
| OS.g_free (oldItem); |
| item.handle = newItem; |
| } else { |
| OS.g_free (newItem); |
| } |
| } |
| OS.gtk_tree_view_set_model (handle, newModel); |
| OS.g_object_unref (oldModel); |
| modelHandle = newModel; |
| createColumn (null, 0); |
| } else { |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| int /*long*/ iter = item.handle; |
| int modelIndex = column.modelIndex; |
| OS.gtk_list_store_set (modelHandle, iter, modelIndex, 0, -1); //image |
| OS.gtk_list_store_set (modelHandle, iter, modelIndex + 1, 0, -1); //text |
| OS.gtk_list_store_set (modelHandle, iter, modelIndex + 2, 0, -1); //foreground |
| OS.gtk_list_store_set (modelHandle, iter, modelIndex + 3, 0, -1); //background |
| OS.gtk_list_store_set (modelHandle, iter, modelIndex + 4, 0, -1); //font |
| } |
| } |
| if (index == 0) { |
| TableColumn checkColumn = columns [0]; |
| createRenderers (checkColumn.handle, checkColumn.modelIndex, true, checkColumn.style); |
| } |
| } |
| column.handle = column.buttonHandle = column.labelHandle = 0; |
| column.boxHandle = column.imageHandle = 0; |
| } |
| |
| void destroyItem (TableItem item) { |
| int index = 0; |
| while (index < itemCount) { |
| if (items [index] == item) break; |
| index++; |
| } |
| if (index == itemCount) return; |
| int /*long*/ itemHandle = item.handle; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| OS.gtk_list_store_remove (modelHandle, itemHandle); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| OS.g_free (itemHandle); |
| item.handle = 0; |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| lastDataIndex = -1; |
| if (itemCount == 0) resetCustomDraw (); |
| } |
| |
| void enableWidget (boolean enabled) { |
| OS.gtk_widget_set_sensitive (scrolledHandle, enabled); |
| } |
| |
| GdkColor getBackgroundColor () { |
| return getBaseColor (); |
| } |
| |
| /** |
| * Returns the column at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * 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> |
| */ |
| public TableColumn getColumn (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < columnCount)) error (SWT.ERROR_CANNOT_GET_ITEM); |
| 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 is 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li> |
| * </ul> |
| */ |
| public int getColumnCount () { |
| checkWidget(); |
| return columnCount; |
| } |
| |
| int /*long*/[] getColumnTypes (int n) { |
| int /*long*/[] types = new int /*long*/ [(n * 5) + FIRST_COLUMN]; |
| types [CHECKED_COLUMN] = OS.G_TYPE_BOOLEAN (); |
| types [GRAYED_COLUMN] = OS.G_TYPE_BOOLEAN (); |
| types [FOREGROUND_COLUMN] = OS.GDK_TYPE_COLOR (); |
| types [BACKGROUND_COLUMN] = OS.GDK_TYPE_COLOR (); |
| types [FONT_COLUMN] = OS.PANGO_TYPE_FONT_DESCRIPTION (); |
| for (int i=FIRST_COLUMN; i<types.length; i+=5) { |
| types [i + 0] = OS.GDK_TYPE_PIXBUF (); //image |
| types [i + 1] = OS.G_TYPE_STRING (); //text |
| types [i + 2] = OS.GDK_TYPE_COLOR (); //foreground |
| types [i + 3] = OS.GDK_TYPE_COLOR (); //background |
| types [i + 4] = OS.PANGO_TYPE_FONT_DESCRIPTION (); //font |
| } |
| return types; |
| } |
| |
| /** |
| * Returns an array of <code>TableColumn</code>s which are the |
| * columns in the receiver. 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> |
| */ |
| public TableColumn [] getColumns () { |
| checkWidget(); |
| TableColumn [] result = new TableColumn [columnCount]; |
| System.arraycopy (columns, 0, result, 0, columnCount); |
| return result; |
| } |
| |
| TableItem getFocusItem () { |
| int /*long*/ [] path = new int /*long*/ [1]; |
| OS.gtk_tree_view_get_cursor (handle, path, null); |
| if (path [0] == 0) return null; |
| TableItem item = null; |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path [0]); |
| if (indices != 0) { |
| int [] index = new int []{-1}; |
| OS.memmove (index, indices, 4); |
| item = _getItem (index [0]); |
| } |
| OS.gtk_tree_path_free (path [0]); |
| return item; |
| } |
| |
| GdkColor getForegroundColor () { |
| return getTextColor (); |
| } |
| |
| /** |
| * Returns the width in pixels of a grid line. |
| * |
| * @return the width of a grid line in pixels |
| * |
| * @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 0; |
| } |
| |
| /** |
| * 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 (); |
| if (!OS.gtk_tree_view_get_headers_visible (handle)) return 0; |
| OS.gtk_widget_realize (handle); |
| int /*long*/ fixedWindow = OS.GTK_WIDGET_WINDOW (fixedHandle); |
| int /*long*/ binWindow = OS.gtk_tree_view_get_bin_window (handle); |
| int [] binY = new int [1]; |
| OS.gdk_window_get_origin (binWindow, null, binY); |
| int [] fixedY = new int [1]; |
| OS.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 OS.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. |
| * |
| * @param point the point used to locate the item |
| * @return the item at the given point |
| * |
| * @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 pt) { |
| checkWidget(); |
| int /*long*/ [] path = new int /*long*/ [1]; |
| int clientX = pt.x - getBorderWidth (); |
| int clientY = pt.y - getHeaderHeight (); |
| OS.gtk_widget_realize (handle); |
| if (!OS.gtk_tree_view_get_path_at_pos (handle, clientX, clientY, path, null, null, null)) return null; |
| if (path [0] == 0) return null; |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path [0]); |
| TableItem item = null; |
| if (indices != 0) { |
| int [] index = new int [1]; |
| OS.memmove (index, indices, 4); |
| item = _getItem (index [0]); |
| } |
| OS.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's. |
| * |
| * @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(); |
| if (itemCount == 0) { |
| int /*long*/ column = OS.gtk_tree_view_get_column (handle, 0); |
| int [] w = new int [1], h = new int [1]; |
| OS.gtk_tree_view_column_cell_get_size (column, null, null, null, w, h); |
| return h [0]; |
| } else { |
| int height = 0; |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| OS.gtk_tree_model_get_iter_first (modelHandle, iter); |
| int columnCount = Math.max (1, this.columnCount); |
| for (int i=0; i<columnCount; i++) { |
| int /*long*/ column = OS.gtk_tree_view_get_column (handle, i); |
| OS.gtk_tree_view_column_cell_set_cell_data (column, modelHandle, iter, false, false); |
| int [] w = new int [1], h = new int [1]; |
| OS.gtk_tree_view_column_cell_get_size (column, null, null, null, w, h); |
| height = Math.max (height, h [0]); |
| } |
| OS.g_free (iter); |
| return height; |
| } |
| } |
| |
| /** |
| * Returns an 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. |
| * <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 OS.gtk_tree_view_get_rules_hint (handle); |
| } |
| |
| /** |
| * Returns an array of <code>TableItem</code>s that are currently |
| * selected in the receiver. 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(); |
| display.treeSelectionLength = 0; |
| display.treeSelection = new int [itemCount]; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.gtk_tree_selection_selected_foreach (selection, display.treeSelectionProc, handle); |
| TableItem [] result = new TableItem [display.treeSelectionLength]; |
| for (int i=0; i<result.length; i++) result [i] = _getItem (display.treeSelection [i]); |
| return result; |
| } |
| |
| /** |
| * 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(); |
| display.treeSelectionLength = 0; |
| display.treeSelection = null; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.gtk_tree_selection_selected_foreach (selection, display.treeSelectionProc, handle); |
| return display.treeSelectionLength; |
| } |
| |
| /** |
| * 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(); |
| display.treeSelectionLength = 0; |
| display.treeSelection = new int [itemCount]; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.gtk_tree_selection_selected_foreach (selection, display.treeSelectionProc, handle); |
| if (display.treeSelectionLength == 0) return -1; |
| return display.treeSelection [0]; |
| } |
| |
| /** |
| * Returns the zero-relative indices of the items which are currently |
| * selected in the receiver. 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(); |
| display.treeSelectionLength = 0; |
| display.treeSelection = new int [itemCount]; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.gtk_tree_selection_selected_foreach (selection, display.treeSelectionProc, handle); |
| if (display.treeSelectionLength == display.treeSelection.length) return display.treeSelection; |
| int [] result = new int [display.treeSelectionLength]; |
| System.arraycopy (display.treeSelection, 0, result, 0, display.treeSelectionLength); |
| return result; |
| } |
| |
| /** |
| * 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(); |
| int /*long*/ [] path = new int /*long*/ [1]; |
| OS.gtk_widget_realize (handle); |
| if (!OS.gtk_tree_view_get_path_at_pos (handle, 1, 1, path, null, null, null)) return 0; |
| if (path [0] == 0) return 0; |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path[0]); |
| int[] index = new int [1]; |
| if (indices != 0) OS.memmove (index, indices, 4); |
| OS.gtk_tree_path_free (path [0]); |
| return index [0]; |
| } |
| |
| int /*long*/ gtk_button_press_event (int /*long*/ widget, int /*long*/ event) { |
| GdkEventButton gdkEvent = new GdkEventButton (); |
| OS.memmove (gdkEvent, event, GdkEventButton.sizeof); |
| if (gdkEvent.window != OS.gtk_tree_view_get_bin_window (handle)) return 0; |
| int border = getBorderWidth (); |
| int headerHeight = getHeaderHeight (); |
| gdkEvent.x += border; |
| gdkEvent.y += headerHeight; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| int /*long*/ result = super.gtk_button_press_event (widget, event); |
| gdkEvent.x -= border; |
| gdkEvent.y -= headerHeight; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| if (result != 0) return result; |
| /* |
| * 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 = gdkEvent.button; |
| if (button == 3 && gdkEvent.type == OS.GDK_BUTTON_PRESS) { |
| int /*long*/ [] path = new int /*long*/ [1]; |
| if (OS.gtk_tree_view_get_path_at_pos (handle, (int)gdkEvent.x, (int)gdkEvent.y, path, null, null, null)) { |
| if (path [0] != 0) { |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| if (OS.gtk_tree_selection_path_is_selected (selection, path [0])) result = 1; |
| OS.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) { |
| int /*long*/ [] path = new int /*long*/ [1]; |
| if (OS.gtk_tree_view_get_path_at_pos (handle, (int)gdkEvent.x, (int)gdkEvent.y, path, null, null, null)) { |
| if (path [0] != 0) { |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| OS.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); |
| OS.gtk_tree_path_free (path [0]); |
| } |
| } |
| } |
| return result; |
| } |
| |
| int /*long*/ gtk_button_release_event (int /*long*/ widget, int /*long*/ event) { |
| GdkEventButton gdkEvent = new GdkEventButton (); |
| OS.memmove (gdkEvent, event, GdkEventButton.sizeof); |
| if (gdkEvent.window != OS.gtk_tree_view_get_bin_window (handle)) return 0; |
| int border = getBorderWidth (); |
| int headerHeight = getHeaderHeight (); |
| gdkEvent.x += border; |
| gdkEvent.y += headerHeight; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| int /*long*/ result = super.gtk_button_release_event (widget, event); |
| gdkEvent.x -= border; |
| gdkEvent.y -= headerHeight; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| return result; |
| } |
| |
| int /*long*/ gtk_changed (int /*long*/ widget) { |
| TableItem item = getFocusItem (); |
| if (item != null) { |
| Event event = new Event (); |
| event.item = item; |
| postEvent (SWT.Selection, event); |
| } |
| return 0; |
| } |
| |
| int /*long*/ gtk_key_press_event (int /*long*/ widget, int /*long*/ eventPtr) { |
| int /*long*/ result = super.gtk_key_press_event (widget, eventPtr); |
| if (result != 0) return result; |
| |
| /* |
| * Feature in GTK. When an item is default selected using |
| * the return key, GTK does not issue notification. The fix is |
| * to issue this notification when the return key is pressed. |
| */ |
| GdkEventKey keyEvent = new GdkEventKey (); |
| OS.memmove (keyEvent, eventPtr, GdkEventKey.sizeof); |
| int key = keyEvent.keyval; |
| switch (key) { |
| case OS.GDK_Return: |
| case OS.GDK_KP_Enter: { |
| Event event = new Event (); |
| event.item = getFocusItem (); |
| postEvent (SWT.DefaultSelection, event); |
| break; |
| } |
| } |
| return result; |
| } |
| |
| int /*long*/ gtk_motion_notify_event (int /*long*/ widget, int /*long*/ event) { |
| GdkEventButton gdkEvent = new GdkEventButton (); |
| OS.memmove (gdkEvent, event, GdkEventButton.sizeof); |
| if (gdkEvent.window != OS.gtk_tree_view_get_bin_window (handle)) return 0; |
| int border = getBorderWidth (); |
| int headerHeight = getHeaderHeight (); |
| gdkEvent.x += border; |
| gdkEvent.y += headerHeight; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| int /*long*/ result = super.gtk_motion_notify_event (widget, event); |
| gdkEvent.x -= border; |
| gdkEvent.y -= headerHeight; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| return result; |
| } |
| |
| int /*long*/ gtk_row_activated (int /*long*/ tree, int /*long*/ path, int /*long*/ column) { |
| TableItem item = null; |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path); |
| if (indices != 0) { |
| int [] index = new int []{-1}; |
| OS.memmove (index, indices, 4); |
| item = _getItem (index [0]); |
| } |
| Event event = new Event (); |
| event.item = item; |
| postEvent (SWT.DefaultSelection, event); |
| return 0; |
| } |
| |
| int /*long*/ gtk_toggled (int /*long*/ renderer, int /*long*/ pathStr) { |
| int /*long*/ path = OS.gtk_tree_path_new_from_string (pathStr); |
| if (path == 0) return 0; |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path); |
| if (indices != 0) { |
| int [] index = new int [1]; |
| OS.memmove (index, indices, 4); |
| TableItem item = _getItem (index [0]); |
| item.setChecked (!item.getChecked ()); |
| Event event = new Event (); |
| event.detail = SWT.CHECK; |
| event.item = item; |
| postEvent (SWT.Selection, event); |
| } |
| OS.gtk_tree_path_free (path); |
| return 0; |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| int /*long*/ selection = OS.gtk_tree_view_get_selection(handle); |
| OS.g_signal_connect (selection, OS.changed, display.windowProc2, CHANGED); |
| OS.g_signal_connect (handle, OS.row_activated, display.windowProc4, ROW_ACTIVATED); |
| if (checkRenderer != 0) { |
| OS.g_signal_connect (checkRenderer, OS.toggled, display.windowProc3, TOGGLED); |
| } |
| } |
| |
| /** |
| * 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 string 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 string 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 visibility 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(); |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| byte [] buffer = Converter.wcsToMbcs (null, Integer.toString (index), true); |
| int /*long*/ path = OS.gtk_tree_path_new_from_string (buffer); |
| boolean answer = OS.gtk_tree_selection_path_is_selected (selection, path); |
| OS.gtk_tree_path_free (path); |
| return answer; |
| } |
| |
| boolean mnemonicHit (char key) { |
| for (int i=0; i<columnCount; i++) { |
| int /*long*/ labelHandle = columns [i].labelHandle; |
| if (labelHandle != 0 && mnemonicHit (labelHandle, key)) return true; |
| } |
| return false; |
| } |
| |
| boolean mnemonicMatch (char key) { |
| for (int i=0; i<columnCount; i++) { |
| int /*long*/ labelHandle = columns [i].labelHandle; |
| if (labelHandle != 0 && mnemonicMatch (labelHandle, key)) return true; |
| } |
| return false; |
| } |
| |
| int /*long*/ paintWindow () { |
| OS.gtk_widget_realize (handle); |
| return OS.gtk_tree_view_get_bin_window (handle); |
| } |
| |
| void releaseWidget () { |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| if (!column.isDisposed ()) column.releaseResources (); |
| } |
| columns = null; |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null && !item.isDisposed ()) item.releaseResources (); |
| } |
| items = null; |
| 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 (); |
| imageList = null; |
| } |
| } |
| |
| void register () { |
| super.register (); |
| display.addWidget (OS.gtk_tree_view_get_selection (handle), this); |
| if (checkRenderer != 0) display.addWidget (checkRenderer, this); |
| } |
| |
| /** |
| * 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> |
| * </ul> |
| */ |
| public void remove (int index) { |
| checkWidget(); |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| TableItem item = items [index]; |
| if (item != null && !item.isDisposed ()) { |
| OS.gtk_list_store_remove (modelHandle, item.handle); |
| item.releaseResources (); |
| } else { |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); |
| OS.gtk_list_store_remove (modelHandle, iter); |
| OS.g_free (iter); |
| } |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| } |
| |
| /** |
| * 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</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); |
| } |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, start); |
| int index = start; |
| while (index <= end) { |
| TableItem item = items [index]; |
| OS.gtk_list_store_remove (modelHandle, iter); |
| if (item != null && !item.isDisposed ()) item.releaseResources (); |
| index++; |
| } |
| OS.g_free (iter); |
| 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</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); |
| } |
| int last = -1; |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| for (int i=0; i<newIndices.length; i++) { |
| int index = newIndices [i]; |
| if (index != last) { |
| TableItem item = items [index]; |
| if (item != null && !item.isDisposed ()) { |
| OS.gtk_list_store_remove (modelHandle, item.handle); |
| item.releaseResources (); |
| } else { |
| OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); |
| OS.gtk_list_store_remove (modelHandle, iter); |
| } |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| last = index; |
| } |
| } |
| OS.g_free (iter); |
| } |
| |
| /** |
| * Removes all of the items from the receiver. |
| * <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 removeAll () { |
| checkWidget(); |
| |
| /* |
| * Bug in GTK. In version 2.3.2, when the property fixed-height-mode |
| * is set and there are items in the list, OS.gtk_list_store_clear() |
| * segment faults. The fix is to create a new empty model instead. |
| */ |
| // OS.gtk_list_store_clear (modelHandle); |
| int /*long*/ oldModel = modelHandle; |
| int /*long*/[] types = getColumnTypes (Math.max (1,columnCount)); |
| int /*long*/ newModel = OS.gtk_list_store_newv (types.length, types); |
| if (newModel == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_tree_view_set_model (handle, newModel); |
| OS.g_object_unref (oldModel); |
| modelHandle = newModel; |
| |
| int index = itemCount - 1; |
| while (index >= 0) { |
| TableItem item = items [index]; |
| if (item != null && !item.isDisposed ()) item.releaseResources (); |
| --index; |
| } |
| items = new TableItem [4]; |
| itemCount = 0; |
| resetCustomDraw (); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the receiver's selection changes. |
| * |
| * @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 resetCustomDraw () { |
| if ((style & SWT.VIRTUAL) != 0) return; |
| int end = Math.max (1, columnCount); |
| for (int i=0; i<end; i++) { |
| boolean customDraw = columnCount != 0 ? columns [i].customDraw : firstCustomDraw; |
| if (customDraw) { |
| int /*long*/ column = OS.gtk_tree_view_get_column (handle, i); |
| int /*long*/ list = OS.gtk_tree_view_column_get_cell_renderers (column); |
| int length = OS.g_list_length (list); |
| int /*long*/ renderer = OS.g_list_nth_data (list, length - 1); |
| OS.g_list_free (list); |
| OS.gtk_tree_view_column_set_cell_data_func (column, renderer, 0, 0, 0); |
| if (columnCount != 0) columns [i].customDraw = false; |
| } |
| } |
| firstCustomDraw = false; |
| } |
| |
| /** |
| * 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 (index <0 || index >= itemCount) return; |
| int /*long*/ selection = OS.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); |
| OS.gtk_tree_selection_select_iter (selection, item.handle); |
| if ((style & SWT.SINGLE) != 0) { |
| int /*long*/ path = OS.gtk_tree_model_get_path (modelHandle, item.handle); |
| OS.gtk_tree_view_set_cursor (handle, path, 0, false); |
| OS.gtk_tree_path_free (path); |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| } |
| |
| /** |
| * 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. |
| * |
| * @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); |
| int /*long*/ selection = OS.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); |
| OS.gtk_tree_selection_select_iter (selection, item.handle); |
| if ((style & SWT.SINGLE) != 0) { |
| int /*long*/ path = OS.gtk_tree_model_get_path (modelHandle, item.handle); |
| OS.gtk_tree_view_set_cursor (handle, path, 0, false); |
| OS.gtk_tree_path_free (path); |
| } |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| } |
| |
| /** |
| * 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. |
| * |
| * @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; |
| int /*long*/ selection = OS.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 (index < 0 || index >= itemCount) continue; |
| TableItem item = _getItem (index); |
| OS.gtk_tree_selection_select_iter (selection, item.handle); |
| if ((style & SWT.SINGLE) != 0) { |
| int /*long*/ path = OS.gtk_tree_model_get_path (modelHandle, item.handle); |
| OS.gtk_tree_view_set_cursor (handle, path, 0, false); |
| OS.gtk_tree_path_free (path); |
| break; |
| } |
| } |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| } |
| |
| /** |
| * Selects all of the items in the receiver. |
| * <p> |
| * If the receiver is single-select, do nothing. |
| * |
| * @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; |
| int /*long*/ selection = OS.gtk_tree_view_get_selection (handle); |
| OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| OS.gtk_tree_selection_select_all (selection); |
| OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); |
| } |
| |
| void setBackgroundColor (GdkColor color) { |
| super.setBackgroundColor (color); |
| OS.gtk_widget_modify_base (handle, 0, color); |
| } |
| |
| boolean setBounds (int x, int y, int width, int height, boolean move, boolean resize) { |
| boolean result = super.setBounds (x, y, width, height, move, resize); |
| /* |
| * 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. |
| */ |
| OS.gtk_widget_realize (handle); |
| return result; |
| } |
| |
| boolean setCellData(int /*long*/ tree_model, int /*long*/ iter) { |
| if ((style & SWT.VIRTUAL) != 0) { |
| int [] index = new int [1]; |
| int /*long*/ path = OS.gtk_tree_model_get_path (tree_model, iter); |
| OS.memmove (index, OS.gtk_tree_path_get_indices (path), 4); |
| OS.gtk_tree_path_free (path); |
| if (lastDataIndex != index [0]) { |
| lastDataIndex = lastIndexOf = index [0]; |
| TableItem item = _getItem (index [0]); |
| if (!item.cached) { |
| Event event = new Event (); |
| event.item = item; |
| int mask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; |
| int signal_id = OS.g_signal_lookup (OS.row_changed, OS.gtk_tree_model_get_type ()); |
| OS.g_signal_handlers_block_matched (tree_model, mask, signal_id, 0, 0, 0, handle); |
| sendEvent (SWT.SetData, event); |
| if (isDisposed()) return false; |
| //widget could be disposed at this point |
| OS.g_signal_handlers_unblock_matched (tree_model, mask, signal_id, 0, 0, 0, handle); |
| item.cached = true; |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| void setFontDescription (int /*long*/ font) { |
| super.setFontDescription (font); |
| TableColumn[] columns = getColumns (); |
| for (int i = 0; i < columns.length; i++) { |
| if (columns[i] != null) { |
| columns[i].setFontDescription (font); |
| } |
| } |
| } |
| |
| void setForegroundColor (GdkColor color) { |
| super.setForegroundColor (color); |
| OS.gtk_widget_modify_text (handle, 0, color); |
| } |
| |
| /** |
| * 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 (); |
| OS.gtk_tree_view_set_headers_visible (handle, 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); |
| TableItem [] newItems = new TableItem [(count + 3) / 4 * 4]; |
| System.arraycopy (items, 0, newItems, 0, itemCount); |
| items = newItems; |
| if (isVirtual) { |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| if (iter == 0) error (SWT.ERROR_NO_HANDLES); |
| for (int i=itemCount; i<count; i++) { |
| OS.gtk_list_store_append (modelHandle, iter); |
| } |
| OS.g_free (iter); |
| itemCount = count; |
| } else { |
| for (int i=itemCount; i<count; i++) { |
| items [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. |
| * <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(); |
| OS.gtk_tree_view_set_rules_hint (handle, show); |
| } |
| |
| 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) { |
| TableItem [] newItems = new TableItem [(itemCount + 3) / 4 * 4]; |
| System.arraycopy (items, 0, newItems, 0, itemCount); |
| items = newItems; |
| } |
| } |
| } |
| |
| void setScrollWidth (int /*long*/ column, int /*long*/ iter) { |
| if (columnCount != 0) return; |
| int width = OS.gtk_tree_view_column_get_width (column); |
| int itemWidth = calculateWidth (column, iter); |
| if (width < itemWidth) { |
| OS.gtk_tree_view_column_set_fixed_width (column, itemWidth); |
| } |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * The current selected is first cleared, then the new item is selected. |
| * |
| * @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 (); |
| if ((style & SWT.MULTI) != 0) deselectAll (); |
| select (index); |
| showSelection (); |
| } |
| |
| /** |
| * 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. |
| * <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. |
| * |
| * @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; |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| select (start, end); |
| showSelection (); |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selection is cleared before the new items are selected. |
| * <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. |
| * |
| * @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; |
| select (indices); |
| showSelection (); |
| } |
| |
| /** |
| * Sets the receiver's selection to be the given array of items. |
| * The current selection is cleared before the new items are selected. |
| * <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. |
| * |
| * @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); |
| deselectAll (); |
| int length = items.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| for (int i=length-1; i>=0; --i) { |
| int index = indexOf (items [i]); |
| if (index != -1) select (index); |
| } |
| showSelection (); |
| } |
| |
| /** |
| * 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; |
| // FIXME - For some reason, sometimes the tree scrolls to the wrong place |
| int /*long*/ path = OS.gtk_tree_model_get_path (modelHandle, _getItem (index).handle); |
| OS.gtk_tree_view_scroll_to_cell (handle, path, 0, true, 0, 0); |
| OS.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 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 3.0 |
| */ |
| 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; |
| /* |
| * This code is intentionally commented. According to the |
| * documentation, gtk_tree_view_scroll_to_cell should scroll the |
| * minimum amount to show the column but instead it scrolls strangely. |
| */ |
| //OS.gtk_tree_view_scroll_to_cell (handle, 0, column.handle, false, 0, 0); |
| OS.gtk_widget_realize (handle); |
| GdkRectangle cellRect = new GdkRectangle (); |
| OS.gtk_tree_view_get_cell_area (handle, 0, column.handle, cellRect); |
| GdkRectangle visibleRect = new GdkRectangle (); |
| OS.gtk_tree_view_get_visible_rect (handle, visibleRect); |
| if (cellRect.x < visibleRect.x) { |
| OS.gtk_tree_view_scroll_to_point (handle, cellRect.x, -1); |
| } else { |
| int width = Math.min (visibleRect.width, cellRect.width); |
| if (cellRect.x + width > visibleRect.x + visibleRect.width) { |
| int tree_x = cellRect.x + width - visibleRect.width; |
| OS.gtk_tree_view_scroll_to_point (handle, tree_x, -1); |
| } |
| } |
| } |
| |
| /** |
| * 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 (int /*long*/ iter) { |
| int /*long*/ path = OS.gtk_tree_model_get_path (modelHandle, iter); |
| OS.gtk_tree_view_scroll_to_cell (handle, path, 0, false, 0, 0); |
| OS.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); |
| } |
| |
| int /*long*/ treeSelectionProc (int /*long*/ model, int /*long*/ path, int /*long*/ iter, int[] selection, int /*long*/ length) { |
| if (selection != null) { |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path); |
| if (indices != 0) { |
| int [] index = new int [1]; |
| OS.memmove (index, indices, 4); |
| selection [(int)/*64*/length] = index [0]; |
| } |
| } |
| return 0; |
| } |
| |
| } |
