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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java | 893 |
1 files changed, 893 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java new file mode 100755 index 0000000000..be36d9bf7c --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java @@ -0,0 +1,893 @@ +/******************************************************************************* + * 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 table 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/#table">Table, TableItem, TableColumn snippets</a> + * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> + * @noextend This class is not intended to be subclassed by clients. + */ +public class TableColumn extends Item { + Table parent; + boolean resizable, moveable; + String toolTipText; + int id; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</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 TableColumn (Table 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>Table</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 TableColumn (Table 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; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Table</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 Table getParent () { + checkWidget (); + return parent; +} + +/** + * 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 Table#getColumnOrder() + * @see Table#setColumnOrder(int[]) + * @see TableColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.1 + */ +public boolean getMoveable () { + checkWidget (); + return moveable; +} + +/** + * 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*/ hwnd = parent.handle; + return (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); +} + +/** + * 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 /*long*/ hwnd = parent.handle; + int oldWidth = (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); + TCHAR buffer = new TCHAR (parent.getCodePage (), text, true); + int headerWidth = (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETSTRINGWIDTH, 0, buffer) + Table.HEADER_MARGIN; + if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) headerWidth += Table.HEADER_EXTRA; + boolean hasHeaderImage = false; + if (image != null || parent.sortColumn == this) { + hasHeaderImage = true; + Image headerImage = null; + if (parent.sortColumn == this && parent.sortDirection != SWT.NONE) { + if (OS.COMCTL32_MAJOR < 6) { + headerImage = display.getSortImage (parent.sortDirection); + } else { + headerWidth += Table.SORT_WIDTH; + } + } else { + headerImage = image; + } + if (headerImage != null) { + Rectangle bounds = headerImage.getBounds (); + headerWidth += bounds.width; + } + int margin = 0; + if (OS.COMCTL32_VERSION >= OS.VERSION (5, 80)) { + int /*long*/ hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + margin = (int)/*64*/OS.SendMessage (hwndHeader, OS.HDM_GETBITMAPMARGIN, 0, 0); + } else { + margin = OS.GetSystemMetrics (OS.SM_CXEDGE) * 3; + } + headerWidth += margin * 4; + } + parent.ignoreColumnResize = true; + int columnWidth = 0; + if (parent.hooks (SWT.MeasureItem)) { + RECT headerRect = new RECT (); + int /*long*/ hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); + OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); + 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); + int count = (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETITEMCOUNT, 0, 0); + for (int i=0; i<count; i++) { + TableItem item = parent.items [i]; + if (item != null) { + int /*long*/ hFont = item.fontHandle (index); + if (hFont != -1) hFont = OS.SelectObject (hDC, hFont); + Event event = parent.sendMeasureItemEvent (item, i, index, hDC); + if (hFont != -1) hFont = OS.SelectObject (hDC, hFont); + if (isDisposed () || parent.isDisposed ()) break; + columnWidth = Math.max (columnWidth, event.x + event.width - headerRect.left); + } + } + if (newFont != 0) OS.SelectObject (hDC, oldFont); + OS.ReleaseDC (hwnd, hDC); + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, columnWidth); + } else { + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE); + columnWidth = (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); + if (index == 0) { + /* + * Bug in Windows. When LVM_SETCOLUMNWIDTH is used with LVSCW_AUTOSIZE + * where each item has I_IMAGECALLBACK but there are no images in the + * table, the size computed by LVM_SETCOLUMNWIDTH is too small for the + * first column, causing long items to be clipped with '...'. The fix + * is to increase the column width by a small amount. + */ + if (parent.imageList == null) columnWidth += 2; + /* + * Bug in Windows. When the first column of a table does not + * have an image and the user double clicks on the divider, + * Windows packs the column but does not take into account + * the empty space left for the image. The fix is to increase + * the column width by the width of the image list. + * + * NOTE: This bug does not happen on Vista. + */ + if (!OS.IsWinCE && OS.WIN32_VERSION < OS.VERSION (6, 0)) { + if (!parent.firstColumnImage) { + int /*long*/ hImageList = OS.SendMessage (hwnd, OS.LVM_GETIMAGELIST, OS.LVSIL_SMALL, 0); + if (hImageList != 0) { + int [] cx = new int [1], cy = new int [1]; + OS.ImageList_GetIconSize (hImageList, cx, cy); + columnWidth += cx [0]; + } + } + } + /* + * Bug in Windows. When LVM_SETCOLUMNWIDTH is used with LVSCW_AUTOSIZE + * for a table with a state image list, the column is width does not + * include space for the state icon. The fix is to increase the column + * width by the width of the image list. + */ + if ((parent.style & SWT.CHECK) != 0) { + int /*long*/ hStateList = OS.SendMessage (hwnd, OS.LVM_GETIMAGELIST, OS.LVSIL_STATE, 0); + if (hStateList != 0) { + int [] cx = new int [1], cy = new int [1]; + OS.ImageList_GetIconSize (hStateList, cx, cy); + columnWidth += cx [0]; + } + } + } + } + if (headerWidth > columnWidth) { + if (!hasHeaderImage) { + /* + * Feature in Windows. When LVSCW_AUTOSIZE_USEHEADER is used + * with LVM_SETCOLUMNWIDTH to resize the last column, the last + * column is expanded to fill the client area. The fix is to + * resize the table to be small, set the column width and then + * restore the table to its original size. + */ + RECT rect = null; + boolean fixWidth = index == parent.getColumnCount () - 1; + if (fixWidth) { + rect = new RECT (); + OS.GetWindowRect (hwnd, rect); + OS.UpdateWindow (hwnd); + int flags = OS.SWP_NOACTIVATE | OS.SWP_NOMOVE | OS.SWP_NOREDRAW | OS.SWP_NOZORDER; + SetWindowPos (hwnd, 0, 0, 0, 0, rect.bottom - rect.top, flags); + } + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE_USEHEADER); + if (fixWidth) { + int flags = OS.SWP_NOACTIVATE | OS.SWP_NOMOVE | OS.SWP_NOZORDER; + SetWindowPos (hwnd, 0, 0, 0, rect.right - rect.left, rect.bottom - rect.top, flags); + } + } else { + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, headerWidth); + } + } else { + if (index == 0) { + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, columnWidth); + } + } + parent.ignoreColumnResize = false; + int newWidth = (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); + if (oldWidth != newWidth) { + updateToolTip (index); + sendEvent (SWT.Resize); + if (isDisposed ()) return; + boolean moved = false; + int [] order = parent.getColumnOrder (); + TableColumn [] columns = parent.getColumns (); + for (int i=0; i<order.length; i++) { + TableColumn column = columns [order [i]]; + if (moved && !column.isDisposed ()) { + column.updateToolTip (order [i]); + column.sendEvent (SWT.Move); + } + if (column == this) moved = true; + } + } +} + +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*/ hwnd = parent.handle; + LVCOLUMN lvColumn = new LVCOLUMN (); + lvColumn.mask = OS.LVCF_FMT; + OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); + lvColumn.fmt &= ~OS.LVCFMT_JUSTIFYMASK; + int fmt = 0; + if ((style & SWT.LEFT) == SWT.LEFT) fmt = OS.LVCFMT_LEFT; + if ((style & SWT.CENTER) == SWT.CENTER) fmt = OS.LVCFMT_CENTER; + if ((style & SWT.RIGHT) == SWT.RIGHT) fmt = OS.LVCFMT_RIGHT; + lvColumn.fmt |= fmt; + OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); + /* + * Bug in Windows. When LVM_SETCOLUMN is used to change + * the alignment of a column, the column is not redrawn + * to show the new alignment. The fix is to compute the + * visible rectangle for the column and redraw it. + */ + if (index != 0) { + parent.forceResize (); + RECT rect = new RECT (), headerRect = new RECT (); + OS.GetClientRect (hwnd, rect); + int /*long*/ hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); + OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); + 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*/ hwnd = parent.handle; + if (OS.COMCTL32_MAJOR < 6) { + int /*long*/ hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + 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.fmt &= ~(OS.HDF_IMAGE | OS.HDF_BITMAP); + } + OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); + } else { + LVCOLUMN lvColumn = new LVCOLUMN (); + lvColumn.mask = OS.LVCF_FMT | OS.LVCF_IMAGE; + OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); + if (image != null) { + lvColumn.fmt |= OS.LVCFMT_IMAGE; + lvColumn.iImage = parent.imageIndexHeader (image); + if (right) lvColumn.fmt |= OS.LVCFMT_BITMAP_ON_RIGHT; + } else { + lvColumn.mask &= ~OS.LVCF_IMAGE; + lvColumn.fmt &= ~(OS.LVCFMT_IMAGE | OS.LVCFMT_BITMAP_ON_RIGHT); + } + OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); + } +} + +/** + * 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 Table#setColumnOrder(int[]) + * @see Table#getColumnOrder() + * @see TableColumn#getMoveable() + * @see SWT#Move + * + * @since 3.1 + */ +public void setMoveable (boolean moveable) { + checkWidget (); + this.moveable = moveable; + parent.updateMoveable (); +} + +/** + * Sets the resizable attribute. A column that is + * resizable can be resized by the user dragging the + * edge of the header. 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 index = parent.indexOf (this); + if (index == -1) return; + int /*long*/ hwnd = parent.handle; + int /*long*/ hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + 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); + /* + * Bug in Windows. When LVM_SETSELECTEDCOLUMN is used to + * specify a selected column, Windows does not redraw either + * the new or the previous selected column. The fix is to + * force a redraw of both. + * + * Feature in Windows. When LVM_SETBKCOLOR is used with + * CLR_NONE and LVM_SETSELECTEDCOLUMN is used to select + * a column, Windows fills the column with the selection + * color, drawing on top of the background image and any + * other custom drawing. The fix is to avoid setting the + * selected column. + */ + parent.forceResize (); + RECT rect = new RECT (); + OS.GetClientRect (hwnd, rect); + if ((int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETBKCOLOR, 0, 0) != OS.CLR_NONE) { + int oldColumn = (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETSELECTEDCOLUMN, 0, 0); + int newColumn = direction == SWT.NONE ? -1 : index; + OS.SendMessage (hwnd, OS.LVM_SETSELECTEDCOLUMN, newColumn, 0); + RECT headerRect = new RECT (); + if (oldColumn != -1) { + if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, oldColumn, headerRect) != 0) { + OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); + rect.left = headerRect.left; + rect.right = headerRect.right; + OS.InvalidateRect (hwnd, rect, true); + } + } + } + RECT headerRect = new RECT (); + if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect) != 0) { + OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); + 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. For some reason, when the title + * of a column is changed after the column has been + * created, the alignment must also be reset or the + * text does not draw. The fix is to query and then + * set the alignment. + */ + int /*long*/ hwnd = parent.handle; + LVCOLUMN lvColumn = new LVCOLUMN (); + lvColumn.mask = OS.LVCF_FMT; + OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); + + /* + * 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); + lvColumn.mask |= OS.LVCF_TEXT; + lvColumn.pszText = pszText; + int /*long*/ result = OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); + 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*/ hwnd = parent.handle; + if (width != (int)/*64*/OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0)) { + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, width); + } +} + +void updateToolTip (int index) { + int /*long*/ hwndHeaderToolTip = parent.headerToolTipHandle; + if (hwndHeaderToolTip != 0) { + int /*long*/ hwnd = parent.handle; + int /*long*/ hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + 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); + } + } +} + +} |