| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-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.*; |
| |
| /** |
| * Instances of this class represent a selectable user interface object |
| * that represents a hierarchy of tree items in a tree widget. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>(none)</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * <p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| */ |
| public class TreeItem extends Item { |
| Tree parent; |
| Font font; |
| Font[] cellFont; |
| boolean cached, grayed; |
| static final int EXPANDER_EXTRA_PADDING = 4; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>Tree</code> or a <code>TreeItem</code>) |
| * and a style value describing its behavior and appearance. |
| * The item is added to the end of the items maintained by its parent. |
| * <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 tree 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 |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public TreeItem (Tree parent, int style) { |
| this (checkNull (parent), 0, style, -1, true); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>Tree</code> or a <code>TreeItem</code>), |
| * a style value describing its behavior and appearance, and the index |
| * at which to place it in the items maintained by its parent. |
| * <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 tree control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * @param index the index to store the receiver in its parent |
| * |
| * @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 |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public TreeItem (Tree parent, int style, int index) { |
| this (checkNull (parent), 0, style, checkIndex (index), true); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>Tree</code> or a <code>TreeItem</code>) |
| * and a style value describing its behavior and appearance. |
| * The item is added to the end of the items maintained by its parent. |
| * <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 parentItem a tree 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 |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public TreeItem (TreeItem parentItem, int style) { |
| this (checkNull (parentItem).parent, parentItem.handle, style, -1, true); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>Tree</code> or a <code>TreeItem</code>), |
| * a style value describing its behavior and appearance, and the index |
| * at which to place it in the items maintained by its parent. |
| * <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 parentItem a tree control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * @param index the index to store the receiver in its parent |
| * |
| * @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 |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public TreeItem (TreeItem parentItem, int style, int index) { |
| this (checkNull (parentItem).parent, parentItem.handle, style, checkIndex (index), true); |
| } |
| |
| TreeItem (Tree parent, int /*long*/ parentIter, int style, int index, boolean create) { |
| super (parent, style); |
| this.parent = parent; |
| if (create) { |
| parent.createItem (this, parentIter, index); |
| } else { |
| handle = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| OS.gtk_tree_model_iter_nth_child (parent.modelHandle, handle, parentIter, index); |
| } |
| } |
| |
| static TreeItem checkNull (TreeItem item) { |
| if (item == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| return item; |
| } |
| static Tree checkNull (Tree control) { |
| if (control == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
| return control; |
| } |
| static int checkIndex (int index) { |
| if (index < 0) SWT.error (SWT.ERROR_ITEM_NOT_ADDED); |
| return index; |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| void clear () { |
| if (parent.currentItem == this) return; |
| if (cached || (parent.style & SWT.VIRTUAL) == 0) { |
| int columnCount = OS.gtk_tree_model_get_n_columns (parent.modelHandle); |
| for (int i=0; i<columnCount; i++) { |
| OS.gtk_tree_store_set (parent.modelHandle, handle, i, 0, -1); |
| } |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.ID_COLUMN, -1, -1); |
| /* |
| * Bug in GTK. When using fixed-height-mode on versions before 2.6.3, |
| * row changes do not cause the row to be repainted. The fix is to |
| * invalidate the row when it is cleared. |
| */ |
| if ((parent.style & SWT.VIRTUAL) != 0) { |
| if (OS.GTK_VERSION >= OS.VERSION (2, 3, 2) && OS.GTK_VERSION < OS.VERSION (2, 6, 3)) { |
| if ((OS.GTK_WIDGET_FLAGS (parent.handle) & OS.GTK_REALIZED) != 0) { |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| GdkRectangle rect = new GdkRectangle (); |
| OS.gtk_tree_view_get_cell_area (parentHandle, path, 0, rect); |
| OS.gtk_tree_path_free (path); |
| int /*long*/ window = OS.gtk_tree_view_get_bin_window (parentHandle); |
| rect.x = 0; |
| rect.width = OS.GTK_WIDGET_WIDTH (parentHandle); |
| OS.gdk_window_invalidate_rect (window, rect, false); |
| } |
| } |
| } |
| |
| } |
| cached = false; |
| font = null; |
| cellFont = null; |
| } |
| |
| /*public*/ void clear (int index, boolean all) { |
| checkWidget (); |
| parent.clear (handle, index, all); |
| } |
| |
| /*public*/ void clearAll (boolean all) { |
| checkWidget (); |
| parent.clearAll (all, handle); |
| } |
| |
| void destroyWidget () { |
| parent.releaseItem (this, false); |
| parent.destroyItem (this); |
| releaseHandle (); |
| } |
| |
| /** |
| * Returns the receiver's background color. |
| * |
| * @return the 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 2.0 |
| */ |
| public Color getBackground () { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, Tree.BACKGROUND_COLUMN, ptr, -1); |
| if (ptr [0] == 0) return parent.getBackground (); |
| GdkColor gdkColor = new GdkColor (); |
| OS.memmove (gdkColor, ptr [0], GdkColor.sizeof); |
| return Color.gtk_new (display, gdkColor); |
| } |
| |
| /** |
| * Returns the background color at the given column index in the receiver. |
| * |
| * @param index the column index |
| * @return the 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 3.1 |
| */ |
| public Color getBackground (int index) { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int count = Math.max (1, parent.columnCount); |
| if (0 > index || index > count - 1) return getBackground (); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, modelIndex + Tree.CELL_BACKGROUND, ptr, -1); |
| if (ptr [0] == 0) return getBackground (); |
| GdkColor gdkColor = new GdkColor (); |
| OS.memmove (gdkColor, ptr [0], GdkColor.sizeof); |
| return Color.gtk_new (display, gdkColor); |
| } |
| |
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent at a column in the tree. |
| * |
| * @param index the index that specifies the column |
| * @return the receiver's bounding column rectangle |
| * |
| * @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 3.1 |
| */ |
| public Rectangle getBounds (int index) { |
| // TODO fully test on early and later versions of GTK |
| checkWidget(); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ column = 0; |
| if (index >= 0 && index < parent.columnCount) { |
| column = parent.columns [index].handle; |
| } else { |
| column = OS.gtk_tree_view_get_column (parentHandle, index); |
| } |
| if (column == 0) return new Rectangle (0, 0, 0, 0); |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| OS.gtk_widget_realize (parentHandle); |
| GdkRectangle rect = new GdkRectangle (); |
| OS.gtk_tree_view_get_cell_area (parentHandle, path, column, rect); |
| OS.gtk_tree_path_free (path); |
| |
| if (OS.gtk_tree_view_get_expander_column (parentHandle) == column) { |
| int [] buffer = new int [1]; |
| OS.gtk_widget_style_get (parentHandle, OS.expander_size, buffer, 0); |
| rect.x += buffer [0] + TreeItem.EXPANDER_EXTRA_PADDING; |
| rect.width -= buffer [0] + TreeItem.EXPANDER_EXTRA_PADDING; |
| OS.gtk_widget_style_get (parentHandle, OS.horizontal_separator, buffer, 0); |
| rect.x += buffer [0]; |
| //rect.width -= buffer [0]; // TODO Is this required for some versions? |
| } |
| |
| if (index == 0 && (parent.style & SWT.CHECK) != 0) { |
| if (OS.GTK_VERSION >= OS.VERSION (2, 1, 3)) { |
| int [] x = new int [1], w = new int [1]; |
| OS.gtk_tree_view_column_cell_get_position (column, parent.checkRenderer, x, w); |
| rect.x += x [0] + w [0]; |
| rect.width -= x [0] + w [0]; |
| } else { |
| int [] w = new int [1]; |
| OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, w, null); |
| int [] buffer = new int [1]; |
| OS.gtk_widget_style_get (parentHandle, OS.horizontal_separator, buffer, 0); |
| rect.x += w [0] + buffer [0]; |
| rect.width -= w [0] + buffer [0]; |
| } |
| } |
| |
| /* |
| * In the horizontal direction, the origin of the bin window is |
| * not the same as the origin of the scrolled handle. |
| * The method gtk_tree_view_get_cell_area returns the |
| * x coordinate relative to the bin window. In order to |
| * get the coordinates relative to the top left corner |
| * of the client area, we need to account for the |
| * horizontal scroll adjustment. |
| */ |
| int[] wx = new int[1]; |
| OS.gtk_tree_view_tree_to_widget_coords(parentHandle, rect.x, 0, wx, null); |
| rect.x = wx[0]; |
| |
| int border = parent.getBorderWidth (); |
| int headerHeight = parent.getHeaderHeight (); |
| return new Rectangle (rect.x + (index == 0 ? 0 : border), rect.y + (headerHeight == 0 ? border : headerHeight), rect.width + 1, rect.height + 1); |
| } |
| |
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent. |
| * |
| * @return the receiver's bounding rectangle |
| * |
| * @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 Rectangle getBounds () { |
| // TODO fully test on early and later versions of GTK |
| // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ column = OS.gtk_tree_view_get_column (parentHandle, 0); |
| if (column == 0) return new Rectangle (0, 0, 0, 0); |
| int /*long*/ textRenderer = parent.getTextRenderer (column); |
| int /*long*/ pixbufRenderer = parent.getPixbufRenderer (column); |
| if (textRenderer == 0 || pixbufRenderer == 0) return new Rectangle (0, 0, 0, 0); |
| |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| OS.gtk_widget_realize (parentHandle); |
| |
| boolean isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; |
| boolean isExpanded = OS.gtk_tree_view_row_expanded (parentHandle, path); |
| OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); |
| |
| GdkRectangle rect = new GdkRectangle (); |
| OS.gtk_tree_view_get_cell_area (parentHandle, path, column, rect); |
| OS.gtk_tree_path_free (path); |
| int right = rect.x + rect.width; |
| |
| int [] x = new int [1], w = new int [1]; |
| OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, w, null); |
| rect.width = w [0]; |
| int [] buffer = new int [1]; |
| if (OS.gtk_tree_view_get_expander_column (parentHandle) == column) { |
| OS.gtk_widget_style_get (parentHandle, OS.expander_size, buffer, 0); |
| rect.x += buffer [0] + TreeItem.EXPANDER_EXTRA_PADDING; |
| } |
| OS.gtk_widget_style_get (parentHandle, OS.horizontal_separator, buffer, 0); |
| int horizontalSeparator = buffer[0]; |
| rect.x += horizontalSeparator; |
| |
| if (OS.GTK_VERSION >= OS.VERSION (2, 1, 3)) { |
| OS.gtk_tree_view_column_cell_get_position (column, textRenderer, x, null); |
| rect.x += x [0]; |
| } else { |
| if ((parent.style & SWT.CHECK) != 0) { |
| OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, w, null); |
| rect.x += w [0] + horizontalSeparator; |
| } |
| OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, w, null); |
| rect.x += w [0] + horizontalSeparator; |
| } |
| |
| /* |
| * In the horizontal direction, the origin of the bin window is |
| * not the same as the origin of the scrolled handle. |
| * The method gtk_tree_view_get_cell_area returns the |
| * x coordinate relative to the bin window. In order to |
| * get the coordinates relative to the top left corner |
| * of the client area, we need to account for the |
| * horizontal scroll adjustment. |
| */ |
| int[] wx = new int[1]; |
| OS.gtk_tree_view_tree_to_widget_coords(parentHandle, rect.x, 0, wx, null); |
| rect.x = wx[0]; |
| |
| int border = parent.getBorderWidth (); |
| int headerHeight = parent.getHeaderHeight (); |
| if (parent.columnCount > 0) { |
| if (rect.x + border + rect.width > right) { |
| rect.width = Math.max (0, right - rect.x - border); |
| } |
| } |
| return new Rectangle (rect.x + border, rect.y + (headerHeight == 0 ? border : headerHeight), rect.width + 1, rect.height + 1); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is checked, |
| * and false otherwise. When the parent does not have |
| * the <code>CHECK</code> style, return false. |
| * <p> |
| * |
| * @return the checked 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 getChecked () { |
| checkWidget(); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| if ((parent.style & SWT.CHECK) == 0) return false; |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, Tree.CHECKED_COLUMN, ptr, -1); |
| return ptr [0] != 0; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is expanded, |
| * and false otherwise. |
| * <p> |
| * |
| * @return the expanded 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 getExpanded () { |
| checkWidget(); |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| boolean answer = OS.gtk_tree_view_row_expanded (parent.handle, path); |
| OS.gtk_tree_path_free (path); |
| return answer; |
| } |
| |
| /** |
| * Returns the font that the receiver will use to paint textual information for this item. |
| * |
| * @return the receiver's font |
| * |
| * @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 Font getFont () { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| return font != null ? font : parent.getFont (); |
| } |
| |
| /** |
| * Returns the font that the receiver will use to paint textual information |
| * for the specified cell in this item. |
| * |
| * @param index the column index |
| * @return the receiver's font |
| * |
| * @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 3.1 |
| */ |
| public Font getFont (int index) { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int count = Math.max (1, parent.columnCount); |
| if (0 > index || index > count - 1) return getFont (); |
| if (cellFont == null || cellFont [index] == null) return getFont (); |
| return cellFont [index]; |
| } |
| |
| |
| /** |
| * Returns the foreground color that the receiver will use to draw. |
| * |
| * @return the receiver's 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 2.0 |
| * |
| */ |
| public Color getForeground () { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, Tree.FOREGROUND_COLUMN, ptr, -1); |
| if (ptr [0] == 0) return parent.getForeground (); |
| GdkColor gdkColor = new GdkColor (); |
| OS.memmove (gdkColor, ptr [0], GdkColor.sizeof); |
| return Color.gtk_new (display, gdkColor); |
| } |
| |
| /** |
| * |
| * Returns the foreground color at the given column index in the receiver. |
| * |
| * @param index the column index |
| * @return the 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 3.1 |
| */ |
| public Color getForeground (int index) { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int count = Math.max (1, parent.columnCount); |
| if (0 > index || index > count - 1) return getForeground (); |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, modelIndex + Tree.CELL_FOREGROUND, ptr, -1); |
| if (ptr [0] == 0) return getForeground (); |
| GdkColor gdkColor = new GdkColor (); |
| OS.memmove (gdkColor, ptr [0], GdkColor.sizeof); |
| return Color.gtk_new (display, gdkColor); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is grayed, |
| * and false otherwise. When the parent does not have |
| * the <code>CHECK</code> style, return false. |
| * |
| * @return the grayed 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 getGrayed () { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| if ((parent.style & SWT.CHECK) == 0) return false; |
| return grayed; |
| } |
| |
| public Image getImage () { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| return getImage (0); |
| } |
| |
| /** |
| * Returns the image stored at the given column index in the receiver, |
| * or null if the image has not been set or if the column does not exist. |
| * |
| * @param index the column index |
| * @return the image stored at the given column index 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> |
| * |
| * @since 3.1 |
| */ |
| public Image getImage (int index) { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return null; |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, modelIndex + Tree.CELL_PIXBUF, ptr, -1); |
| if (ptr [0] == 0) return null; |
| ImageList imageList = parent.imageList; |
| int imageIndex = imageList.indexOf (ptr [0]); |
| if (imageIndex == -1) return null; |
| return imageList.get (imageIndex); |
| } |
| |
| /** |
| * Returns a rectangle describing the size and location |
| * relative to its parent of an image at a column in the |
| * tree. |
| * |
| * @param index the index that specifies the column |
| * @return the receiver's bounding image rectangle |
| * |
| * @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 3.1 |
| */ |
| public Rectangle getImageBounds (int index) { |
| // TODO fully test on early and later versions of GTK |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ column = 0; |
| if (index >= 0 && index < parent.getColumnCount ()) { |
| column = parent.columns [index].handle; |
| } else { |
| column = OS.gtk_tree_view_get_column (parentHandle, index); |
| } |
| if (column == 0) return new Rectangle (0, 0, 0, 0); |
| int /*long*/ pixbufRenderer = parent.getPixbufRenderer (column); |
| if (pixbufRenderer == 0) return new Rectangle (0, 0, 0, 0); |
| GdkRectangle rect = new GdkRectangle (); |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| OS.gtk_widget_realize (parentHandle); |
| OS.gtk_tree_view_get_cell_area (parentHandle, path, column, rect); |
| OS.gtk_tree_path_free (path); |
| |
| if (OS.gtk_tree_view_get_expander_column (parentHandle) == column) { |
| int [] buffer = new int [1]; |
| OS.gtk_widget_style_get (parentHandle, OS.expander_size, buffer, 0); |
| rect.x += buffer [0] + TreeItem.EXPANDER_EXTRA_PADDING; |
| rect.width -= buffer [0] + TreeItem.EXPANDER_EXTRA_PADDING; |
| //OS.gtk_widget_style_get (parentHandle, OS.horizontal_separator, buffer, 0); |
| //int horizontalSeparator = buffer[0]; |
| //rect.x += horizontalSeparator; |
| } |
| |
| /* |
| * The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn |
| * by the cell renderer. If there is no image in the cell, the width is zero. If the table contains |
| * images of varying widths, gtk_cell_renderer_get_size() will return the width of the image, |
| * not the width of the area in which the image is drawn. |
| * New API was added in GTK 2.1.3 for determining the full width of the renderer area. |
| * For earlier versions of GTK, the result is only correct if all rows have images of the same |
| * width. |
| */ |
| if (OS.GTK_VERSION >= OS.VERSION (2, 1, 3)) { |
| int [] x = new int [1], w = new int[1]; |
| OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, x, w); |
| rect.x += x [0]; |
| rect.width = w [0]; |
| } else { |
| int [] w = new int [1]; |
| OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, false, false); |
| OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, w, null); |
| rect.width = w [0]; |
| } |
| |
| /* |
| * In the horizontal direction, the origin of the bin window is |
| * not the same as the origin of the scrolled handle. |
| * The method gtk_tree_view_get_cell_area returns the |
| * x coordinate relative to the bin window. In order to |
| * get the coordinates relative to the top left corner |
| * of the client area, we need to account for the |
| * horizontal scroll adjustment. |
| */ |
| int[] wx = new int[1]; |
| OS.gtk_tree_view_tree_to_widget_coords(parentHandle, rect.x, 0, wx, null); |
| rect.x = wx[0]; |
| |
| int border = parent.getBorderWidth (); |
| int headerHeight = parent.getHeaderHeight (); |
| return new Rectangle (rect.x + (index == 0 ? 0 : border), rect.y + (headerHeight == 0 ? border : headerHeight), rect.width, rect.height + 1); |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver |
| * that are direct item children of 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 OS.gtk_tree_model_iter_n_children (parent.modelHandle, 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> |
| * |
| * @since 3.1 |
| */ |
| public TreeItem getItem (int index) { |
| checkWidget(); |
| return parent._getItem (handle, index); |
| } |
| |
| /** |
| * Returns a (possibly empty) array of <code>TreeItem</code>s which |
| * are the direct item children of 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 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> |
| */ |
| public TreeItem [] getItems () { |
| checkWidget(); |
| return parent.getItems (handle); |
| } |
| |
| String getNameText () { |
| if ((parent.style & SWT.VIRTUAL) != 0) { |
| if (!cached) return "*virtual*"; //$NON-NLS-1$ |
| } |
| return super.getNameText (); |
| } |
| |
| /** |
| * Returns the receiver's parent, which must be a <code>Tree</code>. |
| * |
| * @return the receiver's parent |
| * |
| * @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 Tree getParent () { |
| checkWidget (); |
| return parent; |
| } |
| |
| /** |
| * Returns the receiver's parent item, which must be a |
| * <code>TreeItem</code> or null when the receiver is a |
| * root. |
| * |
| * @return the receiver's parent 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 TreeItem getParentItem () { |
| checkWidget(); |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| TreeItem item = null; |
| int depth = OS.gtk_tree_path_get_depth (path); |
| if (depth > 1) { |
| OS.gtk_tree_path_up (path); |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| if (OS.gtk_tree_model_get_iter (parent.modelHandle, iter, path)) { |
| item = parent._getItem (iter); |
| } |
| OS.g_free (iter); |
| } |
| OS.gtk_tree_path_free (path); |
| return item; |
| } |
| |
| public String getText () { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| return getText (0); |
| } |
| |
| /** |
| * Returns the text stored at the given column index in the receiver, |
| * or empty string if the text has not been set. |
| * |
| * @param index the column index |
| * @return the text stored at the given column index 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> |
| * |
| * @since 3.1 |
| */ |
| public String getText (int index) { |
| checkWidget (); |
| if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return ""; |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, modelIndex + Tree.CELL_TEXT, ptr, -1); |
| if (ptr [0] == 0) return ""; //$NON-NLS-1$ |
| int length = OS.strlen (ptr [0]); |
| byte[] buffer = new byte [length]; |
| OS.memmove (buffer, ptr [0], length); |
| OS.g_free (ptr [0]); |
| return new String (Converter.mbcsToWcs (null, buffer)); |
| } |
| |
| /** |
| * 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 tool item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the tool 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 3.1 |
| */ |
| public int indexOf (TreeItem item) { |
| checkWidget(); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| int index = -1; |
| boolean isParent = false; |
| int /*long*/ currentPath = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| int /*long*/ parentPath = OS.gtk_tree_model_get_path (parent.modelHandle, item.handle); |
| int depth = OS.gtk_tree_path_get_depth (parentPath); |
| if (depth > 1 && OS.gtk_tree_path_up(parentPath)) { |
| if (OS.gtk_tree_path_compare(currentPath, parentPath) == 0) isParent = true; |
| } |
| OS.gtk_tree_path_free (currentPath); |
| OS.gtk_tree_path_free (parentPath); |
| if (!isParent) return index; |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, item.handle); |
| if (depth > 1) { |
| int /*long*/ indices = OS.gtk_tree_path_get_indices (path); |
| if (indices != 0) { |
| int[] temp = new int[depth]; |
| OS.memmove (temp, indices, 4 * temp.length); |
| index = temp[temp.length - 1]; |
| } |
| } |
| OS.gtk_tree_path_free (path); |
| return index; |
| } |
| |
| void releaseChildren (boolean destroy) { |
| if (destroy) { |
| parent.releaseItems (handle); |
| } |
| super.releaseChildren (destroy); |
| } |
| |
| void releaseHandle () { |
| if (handle != 0) OS.g_free (handle); |
| handle = 0; |
| super.releaseHandle (); |
| parent = null; |
| } |
| |
| void releaseWidget () { |
| super.releaseWidget (); |
| font = null; |
| cellFont = null; |
| } |
| |
| /** |
| * 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> |
| * |
| * @since 3.1 |
| */ |
| public void removeAll () { |
| checkWidget (); |
| int length = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); |
| if (length == 0) return; |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| int [] index = new int [1]; |
| while (OS.gtk_tree_model_iter_children (parent.modelHandle, iter, handle)) { |
| OS.gtk_tree_model_get (parent.modelHandle, iter, Tree.ID_COLUMN, index, -1); |
| if (index [0] != -1) { |
| TreeItem item = parent.items [index [0]]; |
| if (item != null && !item.isDisposed ()) { |
| item.dispose (); |
| } |
| } |
| } |
| OS.g_free (iter); |
| } |
| |
| /** |
| * Sets the receiver's background color to the color specified |
| * by the argument, or to the default system color for the item |
| * if the argument is null. |
| * |
| * @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 2.0 |
| * |
| */ |
| public void setBackground (Color color) { |
| checkWidget (); |
| if (color != null && color.isDisposed ()) { |
| SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| GdkColor gdkColor = color != null ? color.handle : null; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.BACKGROUND_COLUMN, gdkColor, -1); |
| cached = true; |
| } |
| |
| /** |
| * Sets the background color at the given column index in the receiver |
| * to the color specified by the argument, or to the default system color for the item |
| * if the argument is null. |
| * |
| * @param index the column index |
| * @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 3.1 |
| * |
| */ |
| public void setBackground (int index, Color color) { |
| checkWidget (); |
| if (color != null && color.isDisposed ()) { |
| SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return; |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| GdkColor gdkColor = color != null ? color.handle : null; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, modelIndex + Tree.CELL_BACKGROUND, gdkColor, -1); |
| cached = true; |
| |
| if (color != null) { |
| boolean customDraw = (parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; |
| if (!customDraw) { |
| if ((parent.style & SWT.VIRTUAL) == 0) { |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ column = 0; |
| if (parent.columnCount > 0) { |
| column = parent.columns [index].handle; |
| } else { |
| column = OS.gtk_tree_view_get_column (parentHandle, index); |
| } |
| if (column == 0) return; |
| int /*long*/ textRenderer = parent.getTextRenderer (column); |
| int /*long*/ imageRenderer = parent.getPixbufRenderer (column); |
| OS.gtk_tree_view_column_set_cell_data_func (column, textRenderer, display.textCellDataProc, parentHandle, 0); |
| OS.gtk_tree_view_column_set_cell_data_func (column, imageRenderer, display.pixbufCellDataProc, parentHandle, 0); |
| } |
| if (parent.columnCount == 0) { |
| parent.firstCustomDraw = true; |
| } else { |
| parent.columns [index].customDraw = true; |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the checked state of the receiver. |
| * <p> |
| * |
| * @param checked the new checked 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 setChecked (boolean checked) { |
| checkWidget(); |
| if ((parent.style & SWT.CHECK) == 0) return; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.CHECKED_COLUMN, checked, -1); |
| /* |
| * GTK+'s "inconsistent" state does not match SWT's concept of grayed. To |
| * show checked+grayed differently from unchecked+grayed, we must toggle the |
| * grayed state on check and uncheck. |
| */ |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.GRAYED_COLUMN, !checked ? false : grayed, -1); |
| cached = true; |
| } |
| |
| /** |
| * Sets the expanded state of the receiver. |
| * <p> |
| * |
| * @param expanded the new expanded 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 setExpanded (boolean expanded) { |
| checkWidget(); |
| int /*long*/ path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); |
| if (expanded) { |
| OS.g_signal_handlers_block_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, TEST_EXPAND_ROW); |
| OS.gtk_tree_view_expand_row (parent.handle, path, false); |
| OS.g_signal_handlers_unblock_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, TEST_EXPAND_ROW); |
| } else { |
| OS.g_signal_handlers_block_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, TEST_COLLAPSE_ROW); |
| OS.gtk_widget_realize (parent.handle); |
| OS.gtk_tree_view_collapse_row (parent.handle, path); |
| OS.g_signal_handlers_unblock_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, TEST_COLLAPSE_ROW); |
| } |
| OS.gtk_tree_path_free (path); |
| cached = true; |
| } |
| |
| |
| /** |
| * Sets the font that the receiver will use to paint textual information |
| * for this item to the font specified by the argument, or to the default font |
| * for that kind of control if the argument is null. |
| * |
| * @param font the new font (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 3.0 |
| */ |
| public void setFont (Font font){ |
| checkWidget (); |
| if (font != null && font.isDisposed ()) { |
| SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| if (this.font == font) return; |
| if (this.font != null && this.font.equals (font)) return; |
| this.font = font; |
| int /*long*/ fontHandle = font != null ? font.handle : 0; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.FONT_COLUMN, fontHandle, -1); |
| cached = true; |
| } |
| |
| /** |
| * Sets the font that the receiver will use to paint textual information |
| * for the specified cell in this item to the font specified by the |
| * argument, or to the default font for that kind of control if the |
| * argument is null. |
| * |
| * @param index the column index |
| * @param font the new font (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 3.1 |
| */ |
| public void setFont (int index, Font font) { |
| checkWidget (); |
| if (font != null && font.isDisposed ()) { |
| SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return; |
| if (cellFont == null) { |
| cellFont = new Font [count]; |
| } |
| if (cellFont [index] == font) return; |
| if (cellFont [index] != null && cellFont [index].equals (font)) return; |
| cellFont [index] = font; |
| |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| int /*long*/ fontHandle = font != null ? font.handle : 0; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, modelIndex + Tree.CELL_FONT, fontHandle, -1); |
| cached = true; |
| |
| if (font != null) { |
| boolean customDraw = (parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; |
| if (!customDraw) { |
| if ((parent.style & SWT.VIRTUAL) == 0) { |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ column = 0; |
| if (parent.columnCount > 0) { |
| column = parent.columns [index].handle; |
| } else { |
| column = OS.gtk_tree_view_get_column (parentHandle, index); |
| } |
| if (column == 0) return; |
| int /*long*/ textRenderer = parent.getTextRenderer (column); |
| int /*long*/ imageRenderer = parent.getPixbufRenderer (column); |
| OS.gtk_tree_view_column_set_cell_data_func (column, textRenderer, display.textCellDataProc, parentHandle, 0); |
| OS.gtk_tree_view_column_set_cell_data_func (column, imageRenderer, display.pixbufCellDataProc, parentHandle, 0); |
| } |
| if (parent.columnCount == 0) { |
| parent.firstCustomDraw = true; |
| } else { |
| parent.columns [index].customDraw = true; |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the receiver's foreground color to the color specified |
| * by the argument, or to the default system color for the item |
| * if the argument is null. |
| * |
| * @param color the new color (or null) |
| * |
| * @since 2.0 |
| * |
| * @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 2.0 |
| */ |
| public void setForeground (Color color){ |
| checkWidget (); |
| if (color != null && color.isDisposed ()) { |
| SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| GdkColor gdkColor = color != null ? color.handle : null; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.FOREGROUND_COLUMN, gdkColor, -1); |
| cached = true; |
| } |
| |
| /** |
| * Sets the foreground color at the given column index in the receiver |
| * to the color specified by the argument, or to the default system color for the item |
| * if the argument is null. |
| * |
| * @param index the column index |
| * @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 3.1 |
| * |
| */ |
| public void setForeground (int index, Color color){ |
| checkWidget (); |
| if (color != null && color.isDisposed ()) { |
| SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return; |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| GdkColor gdkColor = color != null ? color.handle : null; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, modelIndex + Tree.CELL_FOREGROUND, gdkColor, -1); |
| cached = true; |
| |
| if (color != null) { |
| boolean customDraw = (parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; |
| if (!customDraw) { |
| if ((parent.style & SWT.VIRTUAL) == 0) { |
| int /*long*/ parentHandle = parent.handle; |
| int /*long*/ column = 0; |
| if (parent.columnCount > 0) { |
| column = parent.columns [index].handle; |
| } else { |
| column = OS.gtk_tree_view_get_column (parentHandle, index); |
| } |
| if (column == 0) return; |
| int /*long*/ textRenderer = parent.getTextRenderer (column); |
| int /*long*/ imageRenderer = parent.getPixbufRenderer (column); |
| OS.gtk_tree_view_column_set_cell_data_func (column, textRenderer, display.textCellDataProc, parentHandle, 0); |
| OS.gtk_tree_view_column_set_cell_data_func (column, imageRenderer, display.pixbufCellDataProc, parentHandle, 0); |
| } |
| if (parent.columnCount == 0) { |
| parent.firstCustomDraw = true; |
| } else { |
| parent.columns [index].customDraw = true; |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the grayed state of the receiver. |
| * <p> |
| * |
| * @param grayed the new grayed 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 setGrayed (boolean grayed) { |
| checkWidget(); |
| if ((parent.style & SWT.CHECK) == 0) return; |
| this.grayed = grayed; |
| /* |
| * GTK+'s "inconsistent" state does not match SWT's concept of grayed. |
| * Render checked+grayed as "inconsistent", unchecked+grayed as blank. |
| */ |
| int /*long*/ [] ptr = new int /*long*/ [1]; |
| OS.gtk_tree_model_get (parent.modelHandle, handle, Tree.CHECKED_COLUMN, ptr, -1); |
| OS.gtk_tree_store_set (parent.modelHandle, handle, Tree.GRAYED_COLUMN, ptr [0] == 0 ? false : grayed, -1); |
| cached = true; |
| } |
| |
| /** |
| * Sets the receiver's image at a column. |
| * |
| * @param index the column index |
| * @param image the new image |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image 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 3.1 |
| */ |
| public void setImage (int index, Image image) { |
| checkWidget (); |
| if (image != null && image.isDisposed()) { |
| error(SWT.ERROR_INVALID_ARGUMENT); |
| } |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return; |
| int /*long*/ pixbuf = 0; |
| if (image != null) { |
| ImageList imageList = parent.imageList; |
| if (imageList == null) imageList = parent.imageList = new ImageList (); |
| int imageIndex = imageList.indexOf (image); |
| if (imageIndex == -1) imageIndex = imageList.add (image); |
| pixbuf = imageList.getPixbuf (imageIndex); |
| } |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, modelIndex + Tree.CELL_PIXBUF, pixbuf, -1); |
| cached = true; |
| } |
| |
| public void setImage (Image image) { |
| checkWidget (); |
| setImage (0, image); |
| } |
| |
| /** |
| * Sets the image for multiple columns in the tree. |
| * |
| * @param images the array of new images |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if one of the images 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 3.1 |
| */ |
| public void setImage (Image [] images) { |
| checkWidget (); |
| if (images == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<images.length; i++) { |
| setImage (i, images [i]); |
| } |
| } |
| |
| /*public*/ void setItemCount (int count) { |
| checkWidget (); |
| count = Math.max (0, count); |
| parent.setItemCount (handle, count); |
| } |
| |
| /** |
| * Sets the receiver's text at a column |
| * |
| * @param index the column index |
| * @param string the new text |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the text 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> |
| * |
| * @since 3.1 |
| */ |
| public void setText (int index, String string) { |
| checkWidget (); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int count = Math.max (1, parent.getColumnCount ()); |
| if (0 > index || index > count - 1) return; |
| byte[] buffer = Converter.wcsToMbcs (null, string, true); |
| int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| OS.gtk_tree_store_set (parent.modelHandle, handle, modelIndex + Tree.CELL_TEXT, buffer, -1); |
| cached = true; |
| } |
| |
| public void setText (String string) { |
| checkWidget (); |
| setText (0, string); |
| } |
| |
| /** |
| * Sets the text for multiple columns in the tree. |
| * |
| * @param strings the array of new strings |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the text 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> |
| * |
| * @since 3.1 |
| */ |
| public void setText (String [] strings) { |
| checkWidget (); |
| if (strings == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<strings.length; i++) { |
| String string = strings [i]; |
| if (string != null) setText (i, string); |
| } |
| } |
| } |