diff options
author | Felipe Heidrich <fheidric> | 2009-06-30 22:00:12 +0000 |
---|---|---|
committer | Felipe Heidrich <fheidric> | 2009-06-30 22:00:12 +0000 |
commit | f664d297f7bb009784868bf3fcf0b3e3bb9a646b (patch) | |
tree | 54012fe4929893eef4891c88cbbf5841272ff433 /bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TreeColumn.java | |
parent | bc18a5e014088ce811f09c603b88361094486062 (diff) | |
download | eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.tar.gz eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.tar.xz eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.zip |
*** empty log message ***
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TreeColumn.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TreeColumn.java | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TreeColumn.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TreeColumn.java deleted file mode 100644 index fbd4e6a519..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TreeColumn.java +++ /dev/null @@ -1,758 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 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.internal.win32.*; -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; - -/** - * Instances of this class represent a column in a tree widget. - * <p><dl> - * <dt><b>Styles:</b></dt> - * <dd>LEFT, RIGHT, CENTER</dd> - * <dt><b>Events:</b></dt> - * <dd> Move, Resize, Selection</dd> - * </dl> - * </p><p> - * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified. - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#tree">Tree, TreeItem, TreeColumn snippets</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - * - * @since 3.1 - * @noextend This class is not intended to be subclassed by clients. - */ -public class TreeColumn extends Item { - Tree parent; - boolean resizable, moveable; - String toolTipText; - int id; - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tree</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 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#LEFT - * @see SWT#RIGHT - * @see SWT#CENTER - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TreeColumn (Tree parent, int style) { - super (parent, checkStyle (style)); - resizable = true; - this.parent = parent; - parent.createItem (this, parent.getColumnCount ()); -} - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tree</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> - * <p> - * Note that due to a restriction on some platforms, the first column - * is always left aligned. - * </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 - * @param index the zero-relative index to store the receiver in its parent - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</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#LEFT - * @see SWT#RIGHT - * @see SWT#CENTER - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TreeColumn (Tree parent, int style, int index) { - super (parent, checkStyle (style)); - resizable = true; - this.parent = parent; - parent.createItem (this, index); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the control is moved or resized, by sending - * it one of the messages defined in the <code>ControlListener</code> - * interface. - * - * @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 ControlListener - * @see #removeControlListener - */ -public void addControlListener(ControlListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.Resize,typedListener); - addListener (SWT.Move,typedListener); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the control is selected by the user, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * <code>widgetSelected</code> is called when the column header is selected. - * <code>widgetDefaultSelected</code> is not called. - * </p> - * - * @param listener the listener which should be notified when the control is selected by the user - * - * @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.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -void destroyWidget () { - parent.destroyItem (this); - releaseHandle (); -} - -/** - * Returns a value which describes the position of the - * text or image in the receiver. The value will be one of - * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. - * - * @return the alignment - * - * @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 getAlignment () { - checkWidget (); - if ((style & SWT.LEFT) != 0) return SWT.LEFT; - if ((style & SWT.CENTER) != 0) return SWT.CENTER; - if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; - return SWT.LEFT; -} - -/** - * Gets the moveable attribute. A column that is - * not moveable cannot be reordered by the user - * by dragging the header but may be reordered - * by the programmer. - * - * @return the moveable attribute - * - * @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 Tree#getColumnOrder() - * @see Tree#setColumnOrder(int[]) - * @see TreeColumn#setMoveable(boolean) - * @see SWT#Move - * - * @since 3.2 - */ -public boolean getMoveable () { - checkWidget (); - return moveable; -} - -String getNameText () { - return getText (); -} - -/** - * 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; -} - -/** - * Gets the resizable attribute. A column that is - * not resizable cannot be dragged by the user but - * may be resized by the programmer. - * - * @return the resizable attribute - * - * @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 getResizable () { - checkWidget (); - return resizable; -} - -/** - * Returns the receiver's tool tip text, or null if it has - * not been set. - * - * @return the receiver's tool tip text - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public String getToolTipText () { - checkWidget(); - return toolTipText; -} - -/** - * Gets the width of the receiver. - * - * @return the width - * - * @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 getWidth () { - checkWidget (); - int index = parent.indexOf (this); - if (index == -1) return 0; - int /*long*/ hwndHeader = parent.hwndHeader; - if (hwndHeader == 0) return 0; - HDITEM hdItem = new HDITEM (); - hdItem.mask = OS.HDI_WIDTH; - OS.SendMessage (hwndHeader, OS.HDM_GETITEM, index, hdItem); - return hdItem.cxy; -} - -/** - * Causes the receiver to be resized to its preferred size. - * For a composite, this involves computing the preferred size - * from its layout, if there is one. - * - * @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 pack () { - checkWidget (); - int index = parent.indexOf (this); - if (index == -1) return; - int columnWidth = 0; - int /*long*/ hwnd = parent.handle, hwndHeader = parent.hwndHeader; - RECT headerRect = new RECT (); - OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); - int /*long*/ hDC = OS.GetDC (hwnd); - int /*long*/ oldFont = 0, newFont = OS.SendMessage (hwnd, OS.WM_GETFONT, 0, 0); - if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont); - TVITEM tvItem = new TVITEM (); - tvItem.mask = OS.TVIF_HANDLE | OS.TVIF_PARAM; - tvItem.hItem = OS.SendMessage (hwnd, OS.TVM_GETNEXTITEM, OS.TVGN_ROOT, 0); - while (tvItem.hItem != 0) { - OS.SendMessage (hwnd, OS.TVM_GETITEM, 0, tvItem); - TreeItem item = tvItem.lParam != -1 ? parent.items [(int)/*64*/tvItem.lParam] : null; - if (item != null) { - int itemRight = 0; - if (parent.hooks (SWT.MeasureItem)) { - Event event = parent.sendMeasureItemEvent (item, index, hDC); - if (isDisposed () || parent.isDisposed ()) break; - itemRight = event.x + event.width; - } else { - int /*long*/ hFont = item.fontHandle (index); - if (hFont != -1) hFont = OS.SelectObject (hDC, hFont); - RECT itemRect = item.getBounds (index, true, true, false, false, false, hDC); - if (hFont != -1) OS.SelectObject (hDC, hFont); - itemRight = itemRect.right; - } - columnWidth = Math.max (columnWidth, itemRight - headerRect.left); - } - tvItem.hItem = OS.SendMessage (hwnd, OS.TVM_GETNEXTITEM, OS.TVGN_NEXTVISIBLE, tvItem.hItem); - } - RECT rect = new RECT (); - int flags = OS.DT_CALCRECT | OS.DT_NOPREFIX; - TCHAR buffer = new TCHAR (parent.getCodePage (), text, false); - OS.DrawText (hDC, buffer, buffer.length (), rect, flags); - int headerWidth = rect.right - rect.left + Tree.HEADER_MARGIN; - if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) headerWidth += Tree.HEADER_EXTRA; - if (image != null || parent.sortColumn == this) { - Image headerImage = null; - if (parent.sortColumn == this && parent.sortDirection != SWT.NONE) { - if (OS.COMCTL32_MAJOR < 6) { - headerImage = display.getSortImage (parent.sortDirection); - } else { - headerWidth += Tree.SORT_WIDTH; - } - } else { - headerImage = image; - } - if (headerImage != null) { - Rectangle bounds = headerImage.getBounds (); - headerWidth += bounds.width; - } - int margin = 0; - if (hwndHeader != 0 && OS.COMCTL32_VERSION >= OS.VERSION (5, 80)) { - margin = (int)/*64*/OS.SendMessage (hwndHeader, OS.HDM_GETBITMAPMARGIN, 0, 0); - } else { - margin = OS.GetSystemMetrics (OS.SM_CXEDGE) * 3; - } - headerWidth += margin * 2; - } - if (newFont != 0) OS.SelectObject (hDC, oldFont); - OS.ReleaseDC (hwnd, hDC); - int gridWidth = parent.linesVisible ? Tree.GRID_WIDTH : 0; - setWidth (Math.max (headerWidth, columnWidth + gridWidth)); -} - -void releaseHandle () { - super.releaseHandle (); - parent = null; -} - -void releaseParent () { - super.releaseParent (); - if (parent.sortColumn == this) { - parent.sortColumn = null; - } -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the control is moved or resized. - * - * @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 ControlListener - * @see #addControlListener - */ -public void removeControlListener (ControlListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.Move, listener); - eventTable.unhook (SWT.Resize, listener); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the control is selected by the user. - * - * @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); -} - -/** - * Controls how text and images will be displayed in the receiver. - * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> - * or <code>CENTER</code>. - * <p> - * Note that due to a restriction on some platforms, the first column - * is always left aligned. - * </p> - * @param alignment the new alignment - * - * @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 setAlignment (int alignment) { - checkWidget (); - if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; - int index = parent.indexOf (this); - if (index == -1 || index == 0) return; - style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); - style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); - int /*long*/ hwndHeader = parent.hwndHeader; - if (hwndHeader == 0) return; - HDITEM hdItem = new HDITEM (); - hdItem.mask = OS.HDI_FORMAT; - OS.SendMessage (hwndHeader, OS.HDM_GETITEM, index, hdItem); - hdItem.fmt &= ~OS.HDF_JUSTIFYMASK; - if ((style & SWT.LEFT) == SWT.LEFT) hdItem.fmt |= OS.HDF_LEFT; - if ((style & SWT.CENTER) == SWT.CENTER) hdItem.fmt |= OS.HDF_CENTER; - if ((style & SWT.RIGHT) == SWT.RIGHT) hdItem.fmt |= OS.HDF_RIGHT; - OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); - if (index != 0) { - int /*long*/ hwnd = parent.handle; - parent.forceResize (); - RECT rect = new RECT (), headerRect = new RECT (); - OS.GetClientRect (hwnd, rect); - OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); - rect.left = headerRect.left; - rect.right = headerRect.right; - OS.InvalidateRect (hwnd, rect, true); - } -} - -public void setImage (Image image) { - checkWidget(); - if (image != null && image.isDisposed ()) { - error (SWT.ERROR_INVALID_ARGUMENT); - } - super.setImage (image); - if (parent.sortColumn != this || parent.sortDirection != SWT.NONE) { - setImage (image, false, false); - } -} - -void setImage (Image image, boolean sort, boolean right) { - int index = parent.indexOf (this); - if (index == -1) return; - int /*long*/ hwndHeader = parent.hwndHeader; - if (hwndHeader == 0) return; - HDITEM hdItem = new HDITEM (); - hdItem.mask = OS.HDI_FORMAT | OS.HDI_IMAGE | OS.HDI_BITMAP; - OS.SendMessage (hwndHeader, OS.HDM_GETITEM, index, hdItem); - hdItem.fmt &= ~OS.HDF_BITMAP_ON_RIGHT; - if (image != null) { - if (sort) { - hdItem.mask &= ~OS.HDI_IMAGE; - hdItem.fmt &= ~OS.HDF_IMAGE; - hdItem.fmt |= OS.HDF_BITMAP; - hdItem.hbm = image.handle; - } else { - hdItem.mask &= ~OS.HDI_BITMAP; - hdItem.fmt &= ~OS.HDF_BITMAP; - hdItem.fmt |= OS.HDF_IMAGE; - hdItem.iImage = parent.imageIndexHeader (image); - } - if (right) hdItem.fmt |= OS.HDF_BITMAP_ON_RIGHT; - } else { - hdItem.mask &= ~(OS.HDI_IMAGE | OS.HDI_BITMAP); - hdItem.fmt &= ~(OS.HDF_IMAGE | OS.HDF_BITMAP); - } - OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); -} - -/** - * Sets the moveable attribute. A column that is - * moveable can be reordered by the user by dragging - * the header. A column that is not moveable cannot be - * dragged by the user but may be reordered - * by the programmer. - * - * @param moveable the moveable attribute - * - * @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 Tree#setColumnOrder(int[]) - * @see Tree#getColumnOrder() - * @see TreeColumn#getMoveable() - * @see SWT#Move - * - * @since 3.2 - */ -public void setMoveable (boolean moveable) { - checkWidget (); - this.moveable = moveable; -} - -/** - * Sets the resizable attribute. A column that is - * not resizable cannot be dragged by the user but - * may be resized by the programmer. - * - * @param resizable the resize attribute - * - * @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 setResizable (boolean resizable) { - checkWidget (); - this.resizable = resizable; -} - -void setSortDirection (int direction) { - if (OS.COMCTL32_MAJOR >= 6) { - int /*long*/ hwndHeader = parent.hwndHeader; - if (hwndHeader != 0) { - int index = parent.indexOf (this); - if (index == -1) return; - HDITEM hdItem = new HDITEM (); - hdItem.mask = OS.HDI_FORMAT | OS.HDI_IMAGE; - OS.SendMessage (hwndHeader, OS.HDM_GETITEM, index, hdItem); - switch (direction) { - case SWT.UP: - hdItem.fmt &= ~(OS.HDF_IMAGE | OS.HDF_SORTDOWN); - hdItem.fmt |= OS.HDF_SORTUP; - if (image == null) hdItem.mask &= ~OS.HDI_IMAGE; - break; - case SWT.DOWN: - hdItem.fmt &= ~(OS.HDF_IMAGE | OS.HDF_SORTUP); - hdItem.fmt |= OS.HDF_SORTDOWN; - if (image == null) hdItem.mask &= ~OS.HDI_IMAGE; - break; - case SWT.NONE: - hdItem.fmt &= ~(OS.HDF_SORTUP | OS.HDF_SORTDOWN); - if (image != null) { - hdItem.fmt |= OS.HDF_IMAGE; - hdItem.iImage = parent.imageIndexHeader (image); - } else { - hdItem.fmt &= ~OS.HDF_IMAGE; - hdItem.mask &= ~OS.HDI_IMAGE; - } - break; - } - OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); - if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { - int /*long*/ hwnd = parent.handle; - parent.forceResize (); - RECT rect = new RECT (), headerRect = new RECT (); - OS.GetClientRect (hwnd, rect); - OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); - rect.left = headerRect.left; - rect.right = headerRect.right; - OS.InvalidateRect (hwnd, rect, true); - } - } - } else { - switch (direction) { - case SWT.UP: - case SWT.DOWN: - setImage (display.getSortImage (direction), true, true); - break; - case SWT.NONE: - setImage (image, false, false); - break; - } - } -} - -public void setText (String string) { - checkWidget (); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - if (string.equals (text)) return; - int index = parent.indexOf (this); - if (index == -1) return; - super.setText (string); - /* - * Bug in Windows. When a column header contains a - * mnemonic character, Windows does not measure the - * text properly. This causes '...' to always appear - * at the end of the text. The fix is to remove - * mnemonic characters and replace doubled mnemonics - * with spaces. - */ - int /*long*/ hHeap = OS.GetProcessHeap (); - TCHAR buffer = new TCHAR (parent.getCodePage (), fixMnemonic (string, true), true); - int byteCount = buffer.length () * TCHAR.sizeof; - int /*long*/ pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); - OS.MoveMemory (pszText, buffer, byteCount); - int /*long*/ hwndHeader = parent.hwndHeader; - if (hwndHeader == 0) return; - HDITEM hdItem = new HDITEM (); - hdItem.mask = OS.HDI_TEXT; - hdItem.pszText = pszText; - int /*long*/ result = OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); - if (pszText != 0) OS.HeapFree (hHeap, 0, pszText); - if (result == 0) error (SWT.ERROR_CANNOT_SET_TEXT); -} - -/** - * Sets the receiver's tool tip text to the argument, which - * may be null indicating that the default tool tip for the - * control will be shown. For a control that has a default - * tool tip, such as the Tree control on Windows, setting - * the tool tip text to an empty string replaces the default, - * causing no tool tip text to be shown. - * <p> - * The mnemonic indicator (character '&') is not displayed in a tool tip. - * To display a single '&' in the tool tip, the character '&' can be - * escaped by doubling it in the string. - * </p> - * - * @param string the new tool tip text (or null) - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setToolTipText (String string) { - checkWidget(); - toolTipText = string; - int /*long*/ hwndHeaderToolTip = parent.headerToolTipHandle; - if (hwndHeaderToolTip == 0) { - parent.createHeaderToolTips (); - parent.updateHeaderToolTips (); - } -} - -/** - * Sets the width of the receiver. - * - * @param width the new width - * - * @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 setWidth (int width) { - checkWidget (); - if (width < 0) return; - int index = parent.indexOf (this); - if (index == -1) return; - int /*long*/ hwndHeader = parent.hwndHeader; - if (hwndHeader == 0) return; - HDITEM hdItem = new HDITEM (); - hdItem.mask = OS.HDI_WIDTH; - hdItem.cxy = width; - OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); - RECT headerRect = new RECT (); - OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); - parent.forceResize (); - int /*long*/ hwnd = parent.handle; - RECT rect = new RECT (); - OS.GetClientRect (hwnd, rect); - rect.left = headerRect.left; - OS.InvalidateRect (hwnd, rect, true); - parent.setScrollWidth (); -} - -void updateToolTip (int index) { - int /*long*/ hwndHeaderToolTip = parent.headerToolTipHandle; - if (hwndHeaderToolTip != 0) { - int /*long*/ hwndHeader = parent.hwndHeader; - RECT rect = new RECT (); - if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, rect) != 0) { - TOOLINFO lpti = new TOOLINFO (); - lpti.cbSize = TOOLINFO.sizeof; - lpti.hwnd = hwndHeader; - lpti.uId = id; - lpti.left = rect.left; - lpti.top = rect.top; - lpti.right = rect.right; - lpti.bottom = rect.bottom; - OS.SendMessage (hwndHeaderToolTip, OS.TTM_NEWTOOLRECT, 0, lpti); - } - } -} -} |