diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/List.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/List.java | 1287 |
1 files changed, 0 insertions, 1287 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/List.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/List.java deleted file mode 100644 index 1fe952e393..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/List.java +++ /dev/null @@ -1,1287 +0,0 @@ -package org.eclipse.swt.widgets; - -/* - * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. - * This file is 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 - */ - -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 represent a selectable user interface
- * object that displays a list of strings and issues notificiation
- * when a string selected. A list may be single or multi select.
- * <p>
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>SINGLE, MULTI</dd>
- * <dt><b>Events:</b></dt>
- * <dd>Selection, DefaultSelection</dd>
- * </dl>
- * <p>
- * Note: Only one of SINGLE and MULTI may be specified.
- * </p><p>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- */ -public class List extends Scrollable { - int modelHandle; - -/**
- * 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 Widget#checkSubclass
- * @see Widget#getStyle
- */ -public List (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -/**
- * Adds the argument to the end of the receiver's list.
- *
- * @param string the new 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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_ADDED - if the operation fails because of an operating system failure</li>
- * </ul>
- *
- * @see #add(String,int)
- */ -public void add (String string) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - byte [] buffer = Converter.wcsToMbcs (null, string, true); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - if (iter == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - OS.gtk_list_store_append (modelHandle, iter); - OS.gtk_list_store_set (modelHandle, iter, 0, buffer, -1); - OS.g_free (iter); -} - -/**
- * Adds the argument to the receiver's list at the given
- * zero-relative index.
- * <p>
- * Note: To add an item at the end of the list, use the
- * result of calling <code>getItemCount()</code> as the
- * index or use <code>add(String)</code>.
- * </p>
- *
- * @param string the new item
- * @param index the index for the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string is null</li>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (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_ADDED - if the operation fails because of an operating system failure</li>
- * </ul>
- *
- * @see #add(String)
- */ -public void add (String string, int index) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - if (!(0 <= index && index <= OS.gtk_tree_model_iter_n_children (modelHandle, 0))) { - error (SWT.ERROR_INVALID_RANGE); - } - byte [] buffer = Converter.wcsToMbcs (null, string, true); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - if (iter == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - OS.gtk_list_store_insert (modelHandle, iter, index); - OS.gtk_list_store_set (modelHandle, iter, 0, buffer, -1); - OS.g_free (iter); -} - -/**
- * 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>
- * <code>widgetSelected</code> is called when the selection changes.
- * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked.
- * </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); -} - -static int checkStyle (int style) { - return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); -} - -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 - text - */ - int [] types = new int [] {OS.G_TYPE_STRING ()}; - 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); - int textRenderer = OS.gtk_cell_renderer_text_new (); - if (textRenderer == 0) error (SWT.ERROR_NO_HANDLES); - int columnHandle = OS.gtk_tree_view_column_new (); - if (columnHandle == 0) error (SWT.ERROR_NO_HANDLES); - OS.gtk_tree_view_column_pack_start (columnHandle, textRenderer, true); - OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, "text", 0); - OS.gtk_tree_view_insert_column (handle, columnHandle, index); - int 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 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); -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget (); - 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; -} - -GdkColor defaultBackground () { - Display display = getDisplay (); - return display.COLOR_LIST_BACKGROUND; -} - -GdkColor defaultForeground () { - Display display = getDisplay (); - return display.COLOR_LIST_FOREGROUND; -} - -void deregister() { - super.deregister (); - WidgetTable.remove (OS.gtk_tree_view_get_selection (handle)); -} - -/**
- * 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 (!(0 <= index && index < OS.gtk_tree_model_iter_n_children (modelHandle, 0))) return; - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_selection_unselect_iter (selection, iter); - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * 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 count = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - start = Math.min (count - 1, Math.max (0, start)); - end = Math.min (count - 1, Math.max (0, end)); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - for (int index=start; index<=end; index++) { - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_selection_unselect_iter (selection, iter); - } - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * 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 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>
- */ -public void deselect (int [] indices) { - checkWidget(); - if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - int count = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - for (int i=0; i<indices.length; i++) { - int index = indices [i]; - if (index < 0 || index > count) continue; - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_selection_unselect_iter (selection, iter); - } - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * 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(); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - OS.gtk_tree_selection_unselect_all (selection); - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); -} - -GdkColor getBackgroundColor () { - return getBaseColor (); -} - -/**
- * Returns the zero-relative index of the item which is currently
- * has the focus in the receiver, or -1 if no item is has focus.
- *
- * @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 getFocusIndex () { - checkWidget(); - int [] path = new int [1]; - OS.gtk_tree_view_get_cursor (handle, path, null); - if (path [0] == 0) return -1; - int 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]; -} - -GdkColor getForegroundColor () { - return getTextColor (); -} - -/**
- * 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public String getItem (int index) { - checkWidget(); - if (!(0 <= index && index < OS.gtk_tree_model_iter_n_children (modelHandle, 0))) { - error (SWT.ERROR_INVALID_RANGE); - } - int [] ptr = new int [1]; - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_model_get (modelHandle, iter, 0, ptr, -1); - OS.g_free (iter); - if (ptr [0] == 0) return null; - int length = OS.strlen (ptr [0]); - byte[] buffer2 = new byte [length]; - OS.memmove (buffer2, ptr [0], length); - OS.g_free (ptr [0]); - return new String (Converter.mbcsToWcs (null, buffer2)); -} - -/**
- * 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getItemCount () { - checkWidget(); - return OS.gtk_tree_model_iter_n_children (modelHandle, 0); -} - -/**
- * Returns the height of the area which would be used to
- * display <em>one</em> of the items in the tree.
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_ITEM_HEIGHT - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getItemHeight () { - checkWidget(); - int column = OS.gtk_tree_view_get_column (handle, 0); - int list = OS.gtk_tree_view_column_get_cell_renderers (column); - int renderer = OS.g_list_nth_data (list, 0); - OS.g_list_free (list); - int [] w = new int [1], h = new int [1]; - OS.gtk_cell_renderer_get_size (renderer, handle, null, null, null, w, h); - return h [0]; -} - -/**
- * Returns an array of <code>String</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's list
- *
- * @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_ITEM - if the operation fails because of an operating system failure while getting an item</li>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure while getting the item count</li>
- * </ul>
- */ -public String [] getItems () { - checkWidget(); - int count = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - int [] ptr = new int [1]; - String [] result = new String [count]; - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - for (int index=0; index<count; index++) { - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_model_get (modelHandle, iter, 0, ptr, -1); - if (ptr [0] != 0) { - int length = OS.strlen (ptr [0]); - byte[] buffer = new byte [length]; - OS.memmove (buffer, ptr [0], length); - OS.g_free (ptr [0]); - result [index] = new String (Converter.mbcsToWcs (null, buffer)); - } - } - OS.g_free (iter); - return result; -} - -/**
- * Returns an array of <code>String</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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure while getting the selection</li>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure while getting an item</li>
- * </ul>
- */ -public String [] getSelection () { - checkWidget(); - int [] indices = getSelectionIndices (); - String [] result = new String [indices.length]; - for (int i=0; i<indices.length; i++) { - result [i] = getItem (indices [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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getSelectionCount () { - checkWidget(); - Display display = getDisplay (); - display.treeSelectionLength = 0; - display.treeSelection = null; - int 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getSelectionIndex () { - checkWidget(); - int itemCount = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - Display display = getDisplay (); - display.treeSelectionLength = 0; - display.treeSelection = new int [itemCount]; - int 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int [] getSelectionIndices () { - checkWidget(); - int itemCount = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - Display display = getDisplay (); - display.treeSelectionLength = 0; - display.treeSelection = new int [itemCount]; - int 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 [] path = new int [1]; - 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 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 gtk_changed (int widget) { - postEvent (SWT.Selection); - return 0; -} - -int gtk_key_press_event (int widget, int eventPtr) { - int 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: { - postEvent (SWT.DefaultSelection); - break; - } - } - return result; -} - -int gtk_row_activated (int tree, int path, int column) { - postEvent (SWT.DefaultSelection); - return 0; -} - -void hookEvents () { - super.hookEvents(); - Display display = getDisplay (); - int 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); -} - -/**
- * Gets the index of an item.
- * <p>
- * The list is searched starting at 0 until an
- * item is found that is equal to the search item.
- * If no item is found, -1 is returned. Indexing
- * is zero based.
- *
- * @param string 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 (String string) { - checkWidget(); - return indexOf (string, 0); -} - -/**
- * Searches the receiver's list starting at the given,
- * zero-relative index until an item is found that is equal
- * to the argument, and returns the index of that item. If
- * no item is found or the starting index is out of range,
- * returns -1.
- *
- * @param string 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure while getting the item count</li>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure while getting an item</li>
- * </ul>
- */ -public int indexOf (String string, int start) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - String [] items = getItems (); - for (int i=start; i<items.length; i++) { - if (items [i].equals (string)) return 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 selection = OS.gtk_tree_view_get_selection (handle); - byte [] buffer = Converter.wcsToMbcs (null, Integer.toString (index), true); - int 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; -} - -int paintWindow () { - OS.gtk_widget_realize (handle); - return OS.gtk_tree_view_get_bin_window (handle); -} - -void register () { - super.register (); - WidgetTable.put (OS.gtk_tree_view_get_selection (handle), this); -} - -void releaseWidget () { - super.releaseWidget (); - if (modelHandle != 0) OS.g_object_unref (modelHandle); - modelHandle = 0; -} - -/**
- * 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 < OS.gtk_tree_model_iter_n_children (modelHandle, 0))) { - error (SWT.ERROR_INVALID_RANGE); - } - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.gtk_list_store_remove (modelHandle, iter); - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * Removes the items from the receiver which are
- * between the given zero-relative start and end
- * indices (inclusive).
- *
- * @param start the start of the range
- * @param end the end of the range
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- * @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(); - int count = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - if (!(0 < start && start <= end && end < count)) { - error (SWT.ERROR_INVALID_RANGE); - } - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - for (int index=start; index<=end; index++) { - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_list_store_remove (modelHandle, iter); - } - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * Searches the receiver's list starting at the first item
- * until an item is found that is equal to the argument,
- * and removes that item from the list.
- *
- * @param string the item to remove
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string is null</li>
- * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</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 (String string) { - checkWidget(); - int index = indexOf (string, 0); - if (index == -1) error (SWT.ERROR_ITEM_NOT_REMOVED); - remove (index); -} - -/**
- * Removes the items from the receiver 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>
- * </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); - int [] newIndices = new int [indices.length]; - System.arraycopy (indices, 0, newIndices, 0, indices.length); - sort (newIndices); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int last = -1; - for (int i=0; i<newIndices.length; i++) { - int index = newIndices [i]; - if (index != last || i == 0) { - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_list_store_remove (modelHandle, iter); - last = index; - } - } - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - 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(); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.gtk_list_store_clear (modelHandle); - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); -} - -/**
- * 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
- */ -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); -} - -/**
- * Selects the item at the given zero-relative index in the receiver's
- * list. If the item at the index was already selected, it remains
- * selected. Indices that are out of range are ignored.
- *
- * @param index the index of the item to select
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */ -public void select (int index) { - checkWidget(); - if (!(0 <= index && index < OS.gtk_tree_model_iter_n_children (modelHandle, 0))) return; - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_selection_select_iter (selection, iter); - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * Selects the items at the given zero-relative indices in the receiver.
- * If the item at the index was already selected, it remains
- * selected. The range of the indices is inclusive. Indices that are
- * out of range 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>
- */ -public void select (int start, int end) { - checkWidget(); - int count = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - start = Math.min (count - 1, Math.max (0, start)); - end = Math.min (count - 1, Math.max (0, end)); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - for (int index=start; index<=end; index++) { - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_selection_select_iter (selection, iter); - } - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * Selects the items at the given zero-relative indices in the receiver.
- * If the item at the given zero-relative index in the receiver
- * is not selected, it is selected. If the item at the index
- * was selected, it remains selected. Indices that are out
- * of range and duplicate indices are ignored.
- *
- * @param indices the array of indices for the items to select
- *
- * @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>
- */ -public void select (int [] indices) { - checkWidget(); - if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - int count = OS.gtk_tree_model_iter_n_children (modelHandle, 0); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - for (int i=0; i<indices.length; i++) { - int index = indices [i]; - if (index < 0 || index > count) continue; - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - OS.gtk_tree_selection_select_iter (selection, iter); - } - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.g_free (iter); -} - -/**
- * Selects all 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 void selectAll () { - checkWidget(); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int selection = OS.gtk_tree_view_get_selection (handle); - OS.gtk_tree_selection_select_all (selection); - OS.g_signal_handlers_unblock_matched (handle, 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); -} - -void setForegroundColor (GdkColor color) { - super.setForegroundColor (color); - OS.gtk_widget_modify_text (handle, 0, color); -} - -/**
- * Sets the text of the item in the receiver's list at the given
- * zero-relative index to the string argument. This is equivalent
- * to <code>remove</code>'ing the old item at the index, and then
- * <code>add</code>'ing the new item at that index.
- *
- * @param index the index for the item
- * @param string the new text 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 remove operation fails because of an operating system failure</li>
- * <li>ERROR_ITEM_NOT_ADDED - if the add operation fails because of an operating system failure</li>
- * </ul>
- */ -public void setItem (int index, String string) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - if (!(0 <= index && index < OS.gtk_tree_model_iter_n_children (modelHandle, 0))) { - error (SWT.ERROR_INVALID_RANGE); - } - int [] ptr = new int [1]; - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - byte [] buffer = Converter.wcsToMbcs (null, string, true); - OS.gtk_list_store_set (modelHandle, iter, 0, buffer, -1); - OS.g_free (iter); -} - -/**
- * Sets the receiver's items to be the given array of items.
- *
- * @param items the array 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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_ADDED - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public void setItems (String [] items) { - checkWidget(); - if (items == null) error (SWT.ERROR_NULL_ARGUMENT); - OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - OS.gtk_list_store_clear (modelHandle); - OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CHANGED); - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - if (iter == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - for (int i=0; i<items.length; i++) { - String string = items [i]; - if (string == null) { - OS.g_free (iter); - error (SWT.ERROR_NULL_ARGUMENT); - } - byte [] buffer = Converter.wcsToMbcs (null, string, true); - OS.gtk_list_store_append (modelHandle, iter); - OS.gtk_list_store_set (modelHandle, iter, 0, buffer, -1); - } - OS.g_free (iter); -} - -/**
- * Selects the item at the given zero-relative index in the receiver.
- * If the item at the index was already selected, it remains selected.
- * The current selected is first cleared, then the new items are 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>
- * @see List#deselectAll()
- * @see List#select(int)
- */ -public void setSelection (int index) { - checkWidget(); - if ((style & SWT.MULTI) != 0) deselectAll (); - select (index); - showSelection (); -} - -/**
- * Selects the items at the given zero-relative indices in the receiver.
- * The current selected if first cleared, then the new items are selected.
- *
- * @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(); - if ((style & SWT.MULTI) != 0) deselectAll (); - select (start, end); - showSelection (); -} - -/**
- * Selects the items at the given zero-relative indices in the receiver.
- * The current selection is first cleared, then the new items are selected.
- *
- * @param indices the indices of the items to select
- *
- * @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 List#deselectAll()
- * @see List#select(int[])
- */ -public void setSelection(int[] indices) { - checkWidget(); - if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); - if ((style & SWT.MULTI) != 0) deselectAll (); - select (indices); - showSelection (); -} - -/**
- * Sets the receiver's selection to be the given array of items.
- * The current selected is first cleared, then the new items are
- * selected.
- *
- * @param items the array of items
- *
- * @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 List#deselectAll()
- * @see List#select(int)
- */ -public void setSelection (String [] items) { - checkWidget(); - if (items == null) error (SWT.ERROR_NULL_ARGUMENT); - if ((style & SWT.MULTI) != 0) deselectAll (); - for (int i=items.length-1; i>=0; --i) { - int index = 0; - String string = items [i]; - if (string != null) { - while ((index = indexOf (string, index)) != -1) { - select (index); - if (((style & SWT.SINGLE) != 0) && isSelected (index)) { - showSelection (); - return; - } - index++; - } - } - } - if ((style & SWT.SINGLE) != 0) deselectAll (); - 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 < OS.gtk_tree_model_iter_n_children (modelHandle, 0))) return; - // FIXME - For some reason, sometimes the tree scrolls to the wrong place - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - int path = OS.gtk_tree_model_get_path (modelHandle, iter); - OS.gtk_tree_view_scroll_to_cell (handle, path, 0, true, 0, 0); - OS.gtk_tree_path_free (path); - OS.g_free (iter); -} - -/**
- * 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 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>
- */ -public void showSelection () { - checkWidget(); - int index = getSelectionIndex (); - if (index == -1) return; - int iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); - OS.gtk_tree_model_iter_nth_child (modelHandle, iter, 0, index); - int path = OS.gtk_tree_model_get_path (modelHandle, iter); - OS.gtk_tree_view_scroll_to_cell (handle, path, 0, true, 0, 0); - OS.gtk_tree_path_free (path); - OS.g_free (iter); -} - -int treeSelectionProc (int model, int path, int iter, int[] selection, int length) { - if (selection != null) { - int indices = OS.gtk_tree_path_get_indices (path); - if (indices != 0) { - int [] index = new int [1]; - OS.memmove (index, indices, 4); - selection [length] = index [0]; - } - } - return 0; -} - -} |