diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java | 769 |
1 files changed, 0 insertions, 769 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java deleted file mode 100755 index 57c57c05a8..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Composite.java +++ /dev/null @@ -1,769 +0,0 @@ -package org.eclipse.swt.widgets;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import org.eclipse.swt.internal.*;
-import org.eclipse.swt.internal.win32.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-
-/**
- * Instances of this class are controls which are capable
- * of containing other controls.
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>NO_BACKGROUND, NO_FOCUS, NO_MERGE_PAINTS, NO_REDRAW_RESIZE</dd>
- * <dt><b>Events:</b></dt>
- * <dd>(none)</dd>
- * </dl>
- * <p>
- * This class may be subclassed by custom control implementors
- * who are building controls that are constructed from aggregates
- * of other controls.
- * </p>
- *
- * @see Canvas
- */
-
-public class Composite extends Scrollable {
- Layout layout;
- int font, hdwp;
- Control [] tabList;
-
-/**
- * Prevents uninitialized instances from being created outside the package.
- */
-Composite () {
-}
-
-/**
- * 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
- * for all SWT widget classes should include a comment which
- * describes the style constants which are applicable to the class.
- * </p>
- *
- * @param parent a widget which will be the parent of the new instance (cannot be null)
- * @param style the style of widget to construct
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
- * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
- * </ul>
- *
- * @see SWT
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public Composite (Composite parent, int style) {
- super (parent, style);
-}
-Control [] _getChildren () {
- int count = 0;
- int hwndChild = OS.GetWindow (handle, OS.GW_CHILD);
- if (hwndChild == 0) return new Control [0];
- while (hwndChild != 0) {
- count++;
- hwndChild = OS.GetWindow (hwndChild, OS.GW_HWNDNEXT);
- }
- Control [] children = new Control [count];
- int index = 0;
- hwndChild = OS.GetWindow (handle, OS.GW_CHILD);
- while (hwndChild != 0) {
- Control control = WidgetTable.get (hwndChild);
- if (control != null && control != this) {
- children [index++] = control;
- }
- hwndChild = OS.GetWindow (hwndChild, OS.GW_HWNDNEXT);
- }
- if (count == index) return children;
- Control [] newChildren = new Control [index];
- System.arraycopy (children, 0, newChildren, 0, index);
- return newChildren;
-}
-
-Control [] _getTabList () {
- if (tabList == null) return tabList;
- int index = 0, count = 0;
- while (index < tabList.length) {
- if (!tabList [index].isDisposed ()) count++;
- index++;
- }
- if (index == count) return tabList;
- Control [] newList = new Control [count];
- index = 0;
- for (int i=0; i<tabList.length; i++) {
- if (!tabList [index].isDisposed ()) {
- newList [index++] = tabList [i];
- }
- }
- tabList = newList;
- return tabList;
-}
-
-protected void checkSubclass () {
- /* Do nothing - Subclassing is allowed */
-}
-
-Control [] computeTabList () {
- Control result [] = super.computeTabList ();
- if (result.length == 0) return result;
- Control [] list = tabList != null ? _getTabList () : _getChildren ();
- for (int i=0; i<list.length; i++) {
- Control child = list [i];
- Control [] childList = child.computeTabList ();
- if (childList.length != 0) {
- Control [] newResult = new Control [result.length + childList.length];
- System.arraycopy (result, 0, newResult, 0, result.length);
- System.arraycopy (childList, 0, newResult, result.length, childList.length);
- result = newResult;
- }
- }
- return result;
-}
-
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget ();
- Point size;
- if (layout != null) {
- if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
- size = layout.computeSize (this, wHint, hHint, changed);
- } else {
- size = new Point (wHint, hHint);
- }
- } else {
- size = minimumSize ();
- }
- if (size.x == 0) size.x = DEFAULT_WIDTH;
- if (size.y == 0) size.y = DEFAULT_HEIGHT;
- if (wHint != SWT.DEFAULT) size.x = wHint;
- if (hHint != SWT.DEFAULT) size.y = hHint;
- Rectangle trim = computeTrim (0, 0, size.x, size.y);
- return new Point (trim.width, trim.height);
-}
-
-void createHandle () {
- super.createHandle ();
- state |= CANVAS;
-}
-void drawBackground (int hDC, RECT rect) {
- if ((state & CANVAS) != 0) {
- if ((style & SWT.NO_BACKGROUND) != 0) return;
- }
- super.drawBackground (hDC, rect);
-}
-
-/**
- * Returns an array containing the receiver's children.
- * <p>
- * Note: This is not the actual structure used by the receiver
- * to maintain its list of children, so modifying the array will
- * not affect the receiver.
- * </p>
- *
- * @return an array of children
- *
- * @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 Control [] getChildren () {
- checkWidget ();
- return _getChildren ();
-}
-
-int getChildrenCount () {
- /*
- * NOTE: The current implementation will count
- * non-registered children.
- */
- int count = 0;
- int hwndChild = OS.GetWindow (handle, OS.GW_CHILD);
- while (hwndChild != 0) {
- count++;
- hwndChild = OS.GetWindow (hwndChild, OS.GW_HWNDNEXT);
- }
- return count;
-}
-
-/**
- * Returns layout which is associated with the receiver, or
- * null if one has not been set.
- *
- * @return the receiver's layout 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>
- */
-public Layout getLayout () {
- checkWidget ();
- return layout;
-}
-
-/**
- * Gets the last specified tabbing order for the control.
- *
- * @return tabList the ordered list of controls representing the tab order
- *
- * @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 #setTabList
- */
-public Control [] getTabList () {
- checkWidget ();
- Control [] tabList = _getTabList ();
- if (tabList == null) {
- int count = 0;
- Control [] list =_getChildren ();
- for (int i=0; i<list.length; i++) {
- if (list [i].isTabGroup ()) count++;
- }
- tabList = new Control [count];
- int index = 0;
- for (int i=0; i<list.length; i++) {
- if (list [i].isTabGroup ()) {
- tabList [index++] = list [i];
- }
- }
- }
- return tabList;
-}
-
-/**
- * If the receiver has a layout, asks the layout to <em>lay out</em>
- * (that is, set the size and location of) the receiver's children.
- * If the receiver does not have a layout, do nothing.
- * <p>
- * This is equivalent to calling <code>layout(true)</code>.
- * </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 layout () {
- checkWidget ();
- layout (true);
-}
-
-/**
- * If the receiver has a layout, asks the layout to <em>lay out</em>
- * (that is, set the size and location of) the receiver's children.
- * If the the argument is <code>true</code> the layout must not rely
- * on any cached information it is keeping about the children. If it
- * is <code>false</code> the layout may (potentially) simplify the
- * work it is doing by assuming that the state of the none of the
- * receiver's children has changed since the last layout.
- * If the receiver does not have a layout, do nothing.
- *
- * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise
- *
- * @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 layout (boolean changed) {
- checkWidget ();
- if (layout == null) return;
- int count = getChildrenCount ();
- if (count == 0) return;
- if (count > 1 && hdwp == 0) {
- hdwp = OS.BeginDeferWindowPos (count);
- }
- layout.layout (this, changed);
- int oldHdwp = hdwp;
- hdwp = 0;
- if (oldHdwp != 0) OS.EndDeferWindowPos (oldHdwp);
-}
-
-Point minimumSize () {
- Control [] children = _getChildren ();
- int width = 0, height = 0;
- for (int i=0; i<children.length; i++) {
- Rectangle rect = children [i].getBounds ();
- width = Math.max (width, rect.x + rect.width);
- height = Math.max (height, rect.y + rect.height);
- }
- return new Point (width, height);
-}
-
-void releaseChildren () {
- Control [] children = _getChildren ();
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (!child.isDisposed ()) {
- child.releaseWidget ();
- child.releaseHandle ();
- }
- }
-}
-
-void releaseWidget () {
- releaseChildren ();
- super.releaseWidget ();
- layout = null;
- tabList = null;
- int oldHdwp = hdwp;
- hdwp = 0;
- if (oldHdwp != 0) OS.EndDeferWindowPos (oldHdwp);
-}
-
-public boolean setFocus () {
- checkWidget ();
- if ((style & SWT.NO_FOCUS) != 0) return false;
- Control [] children = _getChildren ();
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (child.setRadioFocus ()) return true;
- }
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (child.setFocus ()) return true;
- }
- return super.setFocus ();
-}
-
-/**
- * Sets the layout which is associated with the receiver to be
- * the argument which may be null.
- *
- * @param layout the receiver's new layout 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>
- */
-public void setLayout (Layout layout) {
- checkWidget ();
- this.layout = layout;
-}
-
-/**
- * Sets the tabbing order for the specified controls to
- * match the order that they occur in the argument list.
- *
- * @param tabList the ordered list of controls representing the tab order; must not be null
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the tabList is null</li>
- * <li>ERROR_INVALID_ARGUMENT - if a widget in the tabList is null or has been disposed</li>
- * <li>ERROR_INVALID_PARENT - if widget in the tabList is not in the same widget tree</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 setTabList (Control [] tabList) {
- checkWidget ();
- if (tabList == null) error (SWT.ERROR_NULL_ARGUMENT);
- for (int i=0; i<tabList.length; i++) {
- Control control = tabList [i];
- if (control == null) error (SWT.ERROR_INVALID_ARGUMENT);
- if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
-// Shell shell = control.getShell ();
-// while (control != shell && control != this) {
-// control = control.parent;
-// }
-// if (control != this) error (SWT.ERROR_INVALID_PARENT);
- if (control.parent != this) error (SWT.ERROR_INVALID_PARENT);
- }
- /*
- * This code is intentionally commented. It is
- * not yet clear whether setting the tab list
- * should force the widget to be a tab group
- * instead of a tab item or non-traversable.
- */
-// Control [] children = _getChildren ();
-// for (int i=0; i<children.length; i++) {
-// Control control = children [i];
-// if (control != null) {
-// if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
-// int index = 0;
-// while (index < tabList.length) {
-// if (tabList [index] == control) break;
-// index++;
-// }
-// int hwnd = control.handle;
-// int bits = OS.GetWindowLong (hwnd, OS.GWL_STYLE);
-// if (index == tabList.length) {
-// bits &= ~OS.WS_TABSTOP;
-// } else {
-// bits |= OS.WS_TABSTOP;
-// }
-// OS.SetWindowLong (hwnd, OS.GWL_STYLE, bits);
-// }
-// }
- this.tabList = tabList;
-}
-
-boolean setTabGroupFocus () {
- if (isTabItem ()) return setTabItemFocus ();
- if ((style & SWT.NO_FOCUS) == 0) {
- boolean takeFocus = true;
- if ((state & CANVAS) != 0) {
- takeFocus = hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
- }
- if (takeFocus && setTabItemFocus ()) return true;
- }
- Control [] children = _getChildren ();
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (child.isVisible () && child.setRadioFocus ()) return true;
- }
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (child.isTabItem () && child.setTabItemFocus ()) return true;
- }
- return false;
-}
-
-boolean setTabItemFocus () {
- if ((style & SWT.NO_FOCUS) == 0) {
- boolean takeFocus = true;
- if ((state & CANVAS) != 0) {
- takeFocus = hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
- }
- if (takeFocus) {
- if (!isShowing ()) return false;
- if (forceFocus ()) return true;
- }
- }
- return super.setTabItemFocus ();
-}
-
-String toolTipText (NMTTDISPINFO hdr) {
- if ((hdr.uFlags & OS.TTF_IDISHWND) == 0) {
- return null;
- }
- int hwnd = hdr.idFrom;
- if (hwnd == 0) return null;
- Control control = WidgetTable.get (hwnd);
- if (control == null) return null;
- return control.toolTipText;
-}
-
-boolean translateMnemonic (char key) {
- if (super.translateMnemonic (key)) return true;
- Control [] children = _getChildren ();
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (child.translateMnemonic (key)) return true;
- }
- return false;
-}
-
-void updateFont (Font oldFont, Font newFont) {
- Control [] children = _getChildren ();
- for (int i=0; i<children.length; i++) {
- Control control = children [i];
- if (!control.isDisposed ()) {
- control.updateFont (oldFont, newFont);
- }
- }
- super.updateFont (oldFont, newFont);
- layout (true);
-}
-
-int widgetStyle () {
- /* Temporary code to force SWT.CLIP_SIBLINGS */
- return super.widgetStyle () | OS.WS_CLIPCHILDREN;
-}
-
-LRESULT WM_ERASEBKGND (int wParam, int lParam) {
- if ((state & CANVAS) != 0) {
- return super.WM_ERASEBKGND (wParam, lParam);
- }
- drawBackground (wParam);
- return LRESULT.ONE;
-}
-
-LRESULT WM_GETDLGCODE (int wParam, int lParam) {
- LRESULT result = super.WM_GETDLGCODE (wParam, lParam);
- if (result != null) return result;
- if ((state & CANVAS) != 0) {
- if ((style & SWT.NO_FOCUS) != 0) return new LRESULT (OS.DLGC_STATIC);
- if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) {
- int flags = OS.DLGC_WANTALLKEYS | OS.DLGC_WANTARROWS | OS.DLGC_WANTTAB;
- return new LRESULT (flags);
- }
- int count = getChildrenCount ();
- if (count != 0) return new LRESULT (OS.DLGC_STATIC);
- }
- return result;
-}
-
-LRESULT WM_GETFONT (int wParam, int lParam) {
- LRESULT result = super.WM_GETFONT (wParam, lParam);
- if (result != null) return result;
- int code = callWindowProc (OS.WM_GETFONT, wParam, lParam);
- if (code != 0) return new LRESULT (code);
- if (font == 0) font = defaultFont ();
- return new LRESULT (font);
-}
-
-LRESULT WM_LBUTTONDOWN (int wParam, int lParam) {
- LRESULT result = super.WM_LBUTTONDOWN (wParam, lParam);
-
- /* Set focus for a canvas with no children */
- if ((state & CANVAS) != 0) {
- if ((style & SWT.NO_FOCUS) != 0) return result;
- if (OS.GetWindow (handle, OS.GW_CHILD) == 0) setFocus ();
- }
- return result;
-}
-
-LRESULT WM_NOTIFY (int wParam, int lParam) {
- if (!OS.IsWinCE) {
- NMHDR hdr = new NMHDR ();
- OS.MoveMemory (hdr, lParam, NMHDR.sizeof);
- switch (hdr.code) {
- case OS.TTN_GETDISPINFOW:
- case OS.TTN_GETDISPINFOA: {
- NMTTDISPINFO lpnmtdi = new NMTTDISPINFO ();
- OS.MoveMemory (lpnmtdi, lParam, NMTTDISPINFO.sizeof);
- String string = toolTipText (lpnmtdi);
- if (string != null && string.length () != 0) {
- Shell shell = getShell ();
- string = Display.withCrLf (string);
- /*
- * Bug in Windows 98. For some reason, the tool bar control
- * sends both TTN_GETDISPINFOW and TTN_GETDISPINFOA to get
- * the tool tip text and the tab folder control sends only
- * TTN_GETDISPINFOW. The fix is to handle only TTN_GETDISPINFOW,
- * even though it should never be sent on Windows 98.
- */
- if (hdr.code == OS.TTN_GETDISPINFOW) {
- int length = string.length ();
- char [] buffer = new char [length + 1];
- string.getChars(0, length, buffer, 0);
- shell.setToolTipText (lpnmtdi, buffer);
- } else {
- /* Use the character encoding for the default locale */
- TCHAR buffer = new TCHAR (0, string, true);
- shell.setToolTipText (lpnmtdi, buffer);
- }
- OS.MoveMemory (lParam, lpnmtdi, NMTTDISPINFO.sizeof);
- return LRESULT.ZERO;
- }
- break;
- }
- }
- }
- return super.WM_NOTIFY (wParam, lParam);
-}
-
-LRESULT WM_PAINT (int wParam, int lParam) {
- if ((state & CANVAS) == 0) {
- return super.WM_PAINT (wParam, lParam);
- }
-
- /*
- * This code is intentionally commented. Don't exit
- * early because the background must still be painted,
- * even though no application code will be painting
- * the widget.
- *
- * Do not uncomment this code.
- */
-// if (!hooks (SWT.Paint)) return null;
-
- /* Get the damage */
- int [] lpRgnData = null;
- boolean isComplex = false;
- boolean exposeRegion = false;
- if ((style & SWT.NO_MERGE_PAINTS) != 0) {
- int rgn = OS.CreateRectRgn (0, 0, 0, 0);
- isComplex = OS.GetUpdateRgn (handle, rgn, false) == OS.COMPLEXREGION;
- if (isComplex) {
- int nBytes = OS.GetRegionData (rgn, 0, null);
- lpRgnData = new int [nBytes / 4];
- exposeRegion = OS.GetRegionData (rgn, nBytes, lpRgnData) != 0;
- }
- OS.DeleteObject (rgn);
- }
-
- /* Set the clipping bits */
- int oldBits = 0;
- if (!OS.IsWinCE) {
- oldBits = OS.GetWindowLong (handle, OS.GWL_STYLE);
- int newBits = oldBits | OS.WS_CLIPSIBLINGS | OS.WS_CLIPCHILDREN;
- OS.SetWindowLong (handle, OS.GWL_STYLE, newBits);
- }
-
- /* Create the paint GC */
- PAINTSTRUCT ps = new PAINTSTRUCT ();
- GCData data = new GCData ();
- data.ps = ps;
- GC gc = GC.win32_new (this, data);
- int hDC = gc.handle;
-
- /* Send the paint event */
- Event event = new Event ();
- event.gc = gc;
- if (isComplex && exposeRegion) {
- RECT rect = new RECT ();
- int nCount = lpRgnData [2];
- for (int i=0; i<nCount; i++) {
- OS.SetRect (rect,
- lpRgnData [8 + (i << 2)],
- lpRgnData [8 + (i << 2) + 1],
- lpRgnData [8 + (i << 2) + 2],
- lpRgnData [8 + (i << 2) + 3]);
- drawBackground (hDC, rect);
- event.x = rect.left;
- event.y = rect.top;
- event.width = rect.right - rect.left;
- event.height = rect.bottom - rect.top;
- event.count = nCount - 1 - i;
- /*
- * It is possible (but unlikely), that application
- * code could have disposed the widget in the paint
- * event. If this happens, attempt to give back the
- * paint GC anyways because this is a scarce Windows
- * resource.
- */
- sendEvent (SWT.Paint, event);
- if (isDisposed ()) break;
- }
- } else {
- RECT rect = new RECT ();
- OS.SetRect (rect, ps.left, ps.top, ps.right, ps.bottom);
- drawBackground (hDC, rect);
- event.x = ps.left;
- event.y = ps.top;
- event.width = ps.right - ps.left;
- event.height = ps.bottom - ps.top;
- sendEvent (SWT.Paint, event);
- }
- // widget could be disposed at this point
-
- /* Dispose the paint GC */
- event.gc = null;
- gc.dispose ();
-
- if (!OS.IsWinCE) {
- /*
- * It is possible (but unlikely), that application
- * code could have disposed the widget in the paint
- * event. If this happens, don't attempt to restore
- * the style.
- */
- if (!isDisposed ()) {
- OS.SetWindowLong (handle, OS.GWL_STYLE, oldBits);
- }
- }
- return LRESULT.ZERO;
-}
-
-LRESULT WM_SETFONT (int wParam, int lParam) {
- return super.WM_SETFONT (font = wParam, lParam);
-}
-
-LRESULT WM_SIZE (int wParam, int lParam) {
- /*
- * Begin deferred window positioning
- */
- int count = getChildrenCount ();
- if (count > 1 && hdwp == 0) {
- hdwp = OS.BeginDeferWindowPos (count);
- }
-
- /* Layout and resize */
- if (layout != null) layout.layout (this, false);
- LRESULT result = super.WM_SIZE (wParam, lParam);
-
- /*
- * It is possible (but unlikely), that application
- * code could have disposed the widget in the resize
- * event. If this happens, end the processing of the
- * Windows message by returning the result of the
- * WM_SIZE message.
- */
- if (isDisposed ()) return result;
-
- /* End deferred window positioning */
- int oldHdwp = hdwp;
- hdwp = 0;
- if (oldHdwp != 0) OS.EndDeferWindowPos (oldHdwp);
-
- /* Damage the widget to cause a repaint */
- if ((state & CANVAS) != 0) {
- if ((style & SWT.NO_REDRAW_RESIZE) == 0) {
- if (hooks (SWT.Paint)) {
- OS.InvalidateRect (handle, null, true);
- }
- }
- }
- return result;
-}
-
-LRESULT WM_SYSCOLORCHANGE (int wParam, int lParam) {
- Control [] children = _getChildren ();
- for (int i=0; i<children.length; i++) {
- int hwndChild = children [i].handle;
- OS.SendMessage (hwndChild, OS.WM_SYSCOLORCHANGE, 0, 0);
- }
- return null;
-}
-
-LRESULT WM_SYSCOMMAND (int wParam, int lParam) {
- LRESULT result = super.WM_SYSCOMMAND (wParam, lParam);
- if (result != null) return result;
-
- /*
- * Check to see if the command is a system command or
- * a user menu item that was added to the system menu.
- */
- if ((wParam & 0xF000) == 0) return result;
-
- /*
- * Bug in Windows. When a vertical or horizontal scroll bar is
- * hidden or shown while the opposite scroll bar is being scrolled
- * by the user (with WM_HSCROLL code SB_LINEDOWN), the scroll bar
- * does not redraw properly. The fix is to detect this case and
- * redraw the non-client area.
- */
- if (!OS.IsWinCE) {
- int cmd = wParam & 0xFFF0;
- switch (cmd) {
- case OS.SC_HSCROLL:
- case OS.SC_VSCROLL:
- boolean showHBar = horizontalBar != null && horizontalBar.getVisible ();
- boolean showVBar = verticalBar != null && verticalBar.getVisible ();
- int code = callWindowProc (OS.WM_SYSCOMMAND, wParam, lParam);
- if ((showHBar != (horizontalBar != null && horizontalBar.getVisible ())) ||
- (showVBar != (verticalBar != null && verticalBar.getVisible ()))) {
- int flags = OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_UPDATENOW;
- OS.RedrawWindow (handle, null, 0, flags);
- }
- if (code == 0) return LRESULT.ZERO;
- return new LRESULT (code);
- }
- }
- /* Return the result */
- return result;
-}
-
-}
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