* If this is the first time this object is requested,
* then the object is created and returned. The object
* returned by getAccessible() does not need to be disposed.
*
*
* @return the accessible object
*
* @exception SWTException
* Note: This operation is a hint and may be overridden by the platform.
* For example, on some versions of Windows the background of a TabFolder,
* is a gradient rather than a solid color.
*
* @return the background color
*
* @exception SWTException
* When the mouse pointer passes over a control its appearance
* is changed to match the control's cursor.
*
*
* @return the receiver's cursor or
* If one of the receiver's ancestors is not visible or some
* other condition makes the receiver not visible, this method
* may still indicate that it is considered visible even though
* it may not actually be showing.
*
*
* @return the receiver's visibility state
*
* @exception SWTException true if the receiver is visible and all
* ancestors up to and including the receiver's nearest ancestor
* shell are visible. Otherwise, false is returned.
*
* @return the receiver's visibility state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #getVisible
*/
public boolean isVisible () {
checkWidget ();
if (OS.IsWindowVisible (handle)) return true;
return getVisible () && parent.isVisible ();
}
@Override
void mapEvent (long hwnd, Event event) {
if (hwnd != handle) {
POINT point = new POINT ();
Point loc = event.getLocationInPixels();
point.x = loc.x;
point.y = loc.y;
OS.MapWindowPoints (hwnd, handle, point, 1);
event.setLocationInPixels(point.x, point.y);
}
}
void markLayout (boolean changed, boolean all) {
/* Do nothing */
}
Decorations menuShell () {
return parent.menuShell ();
}
boolean mnemonicHit (char key) {
return false;
}
boolean mnemonicMatch (char key) {
return false;
}
/**
* Moves the receiver above the specified control in the
* drawing order. If the argument is null, then the receiver
* is moved to the top of the drawing order. The control at
* the top of the drawing order will not be covered by other
* controls even if they occupy intersecting areas.
*
* @param control the sibling control (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the control has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see Control#moveBelow
* @see Composite#getChildren
*/
public void moveAbove (Control control) {
checkWidget ();
long topHandle = topHandle (), hwndAbove = OS.HWND_TOP;
if (control != null) {
if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT);
if (parent != control.parent) return;
long hwnd = control.topHandle ();
if (hwnd == 0 || hwnd == topHandle) return;
hwndAbove = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
/*
* Bug in Windows. For some reason, when GetWindow ()
* with GW_HWNDPREV is used to query the previous window
* in the z-order with the first child, Windows returns
* the first child instead of NULL. The fix is to detect
* this case and move the control to the top.
*/
if (hwndAbove == 0 || hwndAbove == hwnd) {
hwndAbove = OS.HWND_TOP;
}
}
int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
OS.SetWindowPos (topHandle, hwndAbove, 0, 0, 0, 0, flags);
}
/**
* Moves the receiver below the specified control in the
* drawing order. If the argument is null, then the receiver
* is moved to the bottom of the drawing order. The control at
* the bottom of the drawing order will be covered by all other
* controls which occupy intersecting areas.
*
* @param control the sibling control (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the control has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see Control#moveAbove
* @see Composite#getChildren
*/
public void moveBelow (Control control) {
checkWidget ();
long topHandle = topHandle (), hwndAbove = OS.HWND_BOTTOM;
if (control != null) {
if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT);
if (parent != control.parent) return;
hwndAbove = control.topHandle ();
} else {
/*
* Bug in Windows. When SetWindowPos() is called
* with HWND_BOTTOM on a dialog shell, the dialog
* and the parent are moved to the bottom of the
* desktop stack. The fix is to move the dialog
* to the bottom of the dialog window stack by
* moving behind the first dialog child.
*/
Shell shell = getShell ();
if (this == shell && parent != null) {
/*
* Bug in Windows. For some reason, when GetWindow ()
* with GW_HWNDPREV is used to query the previous window
* in the z-order with the first child, Windows returns
* the first child instead of NULL. The fix is to detect
* this case and do nothing because the control is already
* at the bottom.
*/
long hwndParent = parent.handle, hwnd = hwndParent;
hwndAbove = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
while (hwndAbove != 0 && hwndAbove != hwnd) {
if (OS.GetWindow (hwndAbove, OS.GW_OWNER) == hwndParent) break;
hwndAbove = OS.GetWindow (hwnd = hwndAbove, OS.GW_HWNDPREV);
}
if (hwndAbove == hwnd) return;
}
}
if (hwndAbove == 0 || hwndAbove == topHandle) return;
int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
OS.SetWindowPos (topHandle, hwndAbove, 0, 0, 0, 0, flags);
}
Accessible new_Accessible (Control control) {
return Accessible.internal_new_Accessible (this);
}
@Override
GC new_GC (GCData data) {
return GC.win32_new (this, data);
}
/**
* 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
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #computeSize(int, int, boolean)
*/
public void pack () {
checkWidget ();
pack (true);
}
/**
* 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.
*
* If the changed flag is true, it indicates that the receiver's
* contents have changed, therefore any caches that a layout manager
* containing the control may have been keeping need to be flushed. When the
* control is resized, the changed flag will be false, so layout
* manager caches can be retained.
*
*
* @param changed whether or not the receiver's contents have changed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #computeSize(int, int, boolean)
*/
public void pack (boolean changed) {
checkWidget ();
/*
* Since computeSize is overridden by Custom classes like CCombo
* etc... hence we cannot call computeSizeInPixels directly.
*/
setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed));
}
/**
* Prints the receiver and all children.
*
* @param gc the gc where the drawing occurs
* @return true if the operation was successful and false otherwise
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the gc is null
* - ERROR_INVALID_ARGUMENT - if the gc has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.4
*/
public boolean print (GC gc) {
checkWidget ();
if (gc == null) error (SWT.ERROR_NULL_ARGUMENT);
if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
long topHandle = topHandle ();
long hdc = gc.handle;
int state = 0;
long gdipGraphics = gc.getGCData().gdipGraphics;
if (gdipGraphics != 0) {
long clipRgn = 0;
Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeNone);
long rgn = Gdip.Region_new();
if (rgn == 0) error(SWT.ERROR_NO_HANDLES);
Gdip.Graphics_GetClip(gdipGraphics, rgn);
if (!Gdip.Region_IsInfinite(rgn, gdipGraphics)) {
clipRgn = Gdip.Region_GetHRGN(rgn, gdipGraphics);
}
Gdip.Region_delete(rgn);
Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeHalf);
float[] lpXform = null;
long matrix = Gdip.Matrix_new(1, 0, 0, 1, 0, 0);
if (matrix == 0) error(SWT.ERROR_NO_HANDLES);
Gdip.Graphics_GetTransform(gdipGraphics, matrix);
if (!Gdip.Matrix_IsIdentity(matrix)) {
lpXform = new float[6];
Gdip.Matrix_GetElements(matrix, lpXform);
}
Gdip.Matrix_delete(matrix);
hdc = Gdip.Graphics_GetHDC(gdipGraphics);
state = OS.SaveDC(hdc);
if (lpXform != null) {
OS.SetGraphicsMode(hdc, OS.GM_ADVANCED);
OS.SetWorldTransform(hdc, lpXform);
}
if (clipRgn != 0) {
OS.SelectClipRgn(hdc, clipRgn);
OS.DeleteObject(clipRgn);
}
}
int flags = OS.RDW_UPDATENOW | OS.RDW_ALLCHILDREN;
OS.RedrawWindow (topHandle, null, 0, flags);
printWidget (topHandle, hdc, gc);
if (gdipGraphics != 0) {
OS.RestoreDC(hdc, state);
Gdip.Graphics_ReleaseHDC(gdipGraphics, hdc);
}
return true;
}
void printWidget (long hwnd, long hdc, GC gc) {
/*
* Bug in Windows. For some reason, PrintWindow()
* returns success but does nothing when it is called
* on a printer. The fix is to just go directly to
* WM_PRINT in this case.
*/
boolean success = false;
if (!(OS.GetDeviceCaps(gc.handle, OS.TECHNOLOGY) == OS.DT_RASPRINTER)) {
/*
* Bug in Windows. When PrintWindow() will only draw that
* portion of a control that is not obscured by the shell.
* The fix is temporarily reparent the window to the desktop,
* call PrintWindow() then reparent the window back.
*/
long hwndParent = OS.GetParent (hwnd);
long hwndShell = hwndParent;
while (OS.GetParent (hwndShell) != 0) {
if (OS.GetWindow (hwndShell, OS.GW_OWNER) != 0) break;
hwndShell = OS.GetParent (hwndShell);
}
RECT rect1 = new RECT ();
OS.GetWindowRect (hwnd, rect1);
boolean fixPrintWindow = !OS.IsWindowVisible(hwnd);
if (!fixPrintWindow) {
RECT rect2 = new RECT ();
OS.GetWindowRect (hwndShell, rect2);
OS.IntersectRect (rect2, rect1, rect2);
fixPrintWindow = !OS.EqualRect (rect2, rect1);
}
/*
* Bug in Windows. PrintWindow() does not print portions
* of the receiver that are clipped out using SetWindowRgn()
* in a parent. The fix is temporarily reparent the window
* to the desktop, call PrintWindow() then reparent the window
* back.
*/
if (!fixPrintWindow) {
long rgn = OS.CreateRectRgn(0, 0, 0, 0);
long parent = OS.GetParent(hwnd);
while (parent != hwndShell && !fixPrintWindow) {
if (OS.GetWindowRgn(parent, rgn) != 0) {
fixPrintWindow = true;
}
parent = OS.GetParent(parent);
}
OS.DeleteObject(rgn);
}
int bits1 = OS.GetWindowLong (hwnd, OS.GWL_STYLE);
int bits2 = OS.GetWindowLong (hwnd, OS.GWL_EXSTYLE);
long hwndInsertAfter = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
/*
* Bug in Windows. For some reason, when GetWindow ()
* with GW_HWNDPREV is used to query the previous window
* in the z-order with the first child, Windows returns
* the first child instead of NULL. The fix is to detect
* this case and move the control to the top.
*/
if (hwndInsertAfter == 0 || hwndInsertAfter == hwnd) {
hwndInsertAfter = OS.HWND_TOP;
}
if (fixPrintWindow) {
int x = OS.GetSystemMetrics (OS.SM_XVIRTUALSCREEN);
int y = OS.GetSystemMetrics (OS.SM_YVIRTUALSCREEN);
int width = OS.GetSystemMetrics (OS.SM_CXVIRTUALSCREEN);
int height = OS.GetSystemMetrics (OS.SM_CYVIRTUALSCREEN);
int flags = OS.SWP_NOSIZE | OS.SWP_NOZORDER | OS.SWP_NOACTIVATE | OS.SWP_DRAWFRAME;
if ((bits1 & OS.WS_VISIBLE) != 0) {
OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 0, 0);
}
OS.SetWindowPos (hwnd, 0, x + width, y + height, 0, 0, flags);
OS.SetWindowLong (hwnd, OS.GWL_STYLE, (bits1 & ~OS.WS_CHILD) | OS.WS_POPUP);
OS.SetWindowLong (hwnd, OS.GWL_EXSTYLE, bits2 | OS.WS_EX_TOOLWINDOW);
Shell shell = getShell ();
Control savedFocus = shell.savedFocus;
OS.SetParent (hwnd, 0);
shell.setSavedFocus (savedFocus);
if ((bits1 & OS.WS_VISIBLE) != 0) {
OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 1, 0);
}
}
if ((bits1 & OS.WS_VISIBLE) == 0) {
OS.ShowWindow (hwnd, OS.SW_SHOW);
}
success = OS.PrintWindow (hwnd, hdc, 0);
if ((bits1 & OS.WS_VISIBLE) == 0) {
OS.ShowWindow (hwnd, OS.SW_HIDE);
}
if (fixPrintWindow) {
if ((bits1 & OS.WS_VISIBLE) != 0) {
OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 0, 0);
}
OS.SetWindowLong (hwnd, OS.GWL_STYLE, bits1);
OS.SetWindowLong (hwnd, OS.GWL_EXSTYLE, bits2);
OS.SetParent (hwnd, hwndParent);
OS.MapWindowPoints (0, hwndParent, rect1, 2);
int flags = OS.SWP_NOSIZE | OS.SWP_NOACTIVATE | OS.SWP_DRAWFRAME;
OS.SetWindowPos (hwnd, hwndInsertAfter, rect1.left, rect1.top, rect1.right - rect1.left, rect1.bottom - rect1.top, flags);
if ((bits1 & OS.WS_VISIBLE) != 0) {
OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 1, 0);
}
}
}
/*
* Bug in Windows. For some reason, PrintWindow() fails
* when it is called on a push button. The fix is to
* detect the failure and use WM_PRINT instead. Note
* that WM_PRINT cannot be used all the time because it
* fails for browser controls when the browser has focus.
*/
if (!success) {
int flags = OS.PRF_CLIENT | OS.PRF_NONCLIENT | OS.PRF_ERASEBKGND | OS.PRF_CHILDREN;
OS.SendMessage (hwnd, OS.WM_PRINT, hdc, flags);
}
}
/**
* Requests that this control and all of its ancestors be repositioned by
* their layouts at the earliest opportunity. This should be invoked after
* modifying the control in order to inform any dependent layouts of
* the change.
*
* The control will not be repositioned synchronously. This method is
* fast-running and only marks the control for future participation in
* a deferred layout.
*
* Invoking this method multiple times before the layout occurs is an
* inexpensive no-op.
*
* @since 3.105
*/
public void requestLayout () {
getShell ().layout (new Control[] {this}, SWT.DEFER);
}
/**
* Causes the entire bounds of the receiver to be marked
* as needing to be redrawn. The next time a paint request
* is processed, the control will be completely painted,
* including the background.
*
* Schedules a paint request if the invalidated area is visible
* or becomes visible later. It is not necessary for the caller
* to explicitly call {@link #update()} after calling this method,
* but depending on the platform, the automatic repaints may be
* delayed considerably.
*
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #update()
* @see PaintListener
* @see SWT#Paint
* @see SWT#NO_BACKGROUND
* @see SWT#NO_REDRAW_RESIZE
* @see SWT#NO_MERGE_PAINTS
* @see SWT#DOUBLE_BUFFERED
*/
public void redraw () {
checkWidget ();
redraw (false);
}
void redraw (boolean all) {
// checkWidget ();
if (!OS.IsWindowVisible (handle)) return;
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
if (all) flags |= OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, null, 0, flags);
}
/**
* Causes the rectangular area of the receiver specified by
* the arguments to be marked as needing to be redrawn.
* The next time a paint request is processed, that area of
* the receiver will be painted, including the background.
* If the all flag is true, any
* children of the receiver which intersect with the specified
* area will also paint their intersecting areas. If the
* all flag is false, the children
* will not be painted.
*
* Schedules a paint request if the invalidated area is visible
* or becomes visible later. It is not necessary for the caller
* to explicitly call {@link #update()} after calling this method,
* but depending on the platform, the automatic repaints may be
* delayed considerably.
*
*
* @param x the x coordinate of the area to draw
* @param y the y coordinate of the area to draw
* @param width the width of the area to draw
* @param height the height of the area to draw
* @param all true if children should redraw, and false otherwise
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #update()
* @see PaintListener
* @see SWT#Paint
* @see SWT#NO_BACKGROUND
* @see SWT#NO_REDRAW_RESIZE
* @see SWT#NO_MERGE_PAINTS
* @see SWT#DOUBLE_BUFFERED
*/
public void redraw (int x, int y, int width, int height, boolean all) {
checkWidget ();
x = DPIUtil.autoScaleUp(x);
y = DPIUtil.autoScaleUp(y);
width = DPIUtil.autoScaleUp(width);
height = DPIUtil.autoScaleUp(height);
redrawInPixels(x, y, width, height, all);
}
void redrawInPixels (int x, int y, int width, int height, boolean all) {
if (width <= 0 || height <= 0) return;
if (!OS.IsWindowVisible (handle)) return;
RECT rect = new RECT ();
OS.SetRect (rect, x, y, x + width, y + height);
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
if (all) flags |= OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, rect, 0, flags);
}
boolean redrawChildren () {
if (!OS.IsWindowVisible (handle)) return false;
Control control = findBackgroundControl ();
if (control == null) {
if ((state & THEME_BACKGROUND) != 0) {
if (OS.IsAppThemed ()) {
OS.InvalidateRect (handle, null, true);
return true;
}
}
} else {
if (control.backgroundImage != null) {
OS.InvalidateRect (handle, null, true);
return true;
}
}
return false;
}
void register () {
display.addControl (handle, this);
}
@Override
void releaseHandle () {
super.releaseHandle ();
handle = 0;
parent = null;
}
@Override
void releaseParent () {
parent.removeControl (this);
}
@Override
void releaseWidget () {
super.releaseWidget ();
if (OS.IsDBLocale) {
OS.ImmAssociateContext (handle, 0);
}
if (toolTipText != null) {
setToolTipText (getShell (), null);
}
toolTipText = null;
if (menu != null && !menu.isDisposed ()) {
menu.dispose ();
}
backgroundImage = null;
menu = null;
cursor = null;
unsubclass ();
deregister ();
layoutData = null;
if (accessible != null) {
accessible.internal_dispose_Accessible ();
}
accessible = null;
region = null;
font = 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
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @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 a drag gesture occurs.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see DragDetectListener
* @see #addDragDetectListener
*
* @since 3.3
*/
public void removeDragDetectListener(DragDetectListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.DragDetect, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the control gains or loses focus.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see FocusListener
* @see #addFocusListener
*/
public void removeFocusListener(FocusListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.FocusIn, listener);
eventTable.unhook (SWT.FocusOut, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when gesture events are generated for the control.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see GestureListener
* @see #addGestureListener
*
* @since 3.7
*/
public void removeGestureListener (GestureListener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Gesture, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the help events are generated for the control.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see HelpListener
* @see #addHelpListener
*/
public void removeHelpListener (HelpListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Help, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when keys are pressed and released on the system keyboard.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see KeyListener
* @see #addKeyListener
*/
public void removeKeyListener(KeyListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.KeyUp, listener);
eventTable.unhook (SWT.KeyDown, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the platform-specific context menu trigger has
* occurred.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see MenuDetectListener
* @see #addMenuDetectListener
*
* @since 3.3
*/
public void removeMenuDetectListener (MenuDetectListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.MenuDetect, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the mouse passes or hovers over controls.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see MouseTrackListener
* @see #addMouseTrackListener
*/
public void removeMouseTrackListener(MouseTrackListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.MouseEnter, listener);
eventTable.unhook (SWT.MouseExit, listener);
eventTable.unhook (SWT.MouseHover, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when mouse buttons are pressed and released.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see MouseListener
* @see #addMouseListener
*/
public void removeMouseListener (MouseListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.MouseDown, listener);
eventTable.unhook (SWT.MouseUp, listener);
eventTable.unhook (SWT.MouseDoubleClick, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the mouse moves.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see MouseMoveListener
* @see #addMouseMoveListener
*/
public void removeMouseMoveListener(MouseMoveListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.MouseMove, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the mouse wheel is scrolled.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see MouseWheelListener
* @see #addMouseWheelListener
*
* @since 3.3
*/
public void removeMouseWheelListener (MouseWheelListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.MouseWheel, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the receiver needs to be painted.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see PaintListener
* @see #addPaintListener
*/
public void removePaintListener(PaintListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook(SWT.Paint, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when touch events occur.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see TouchListener
* @see #addTouchListener
*
* @since 3.7
*/
public void removeTouchListener(TouchListener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Touch, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when traversal events occur.
*
* @param listener the listener which should no longer be notified
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see TraverseListener
* @see #addTraverseListener
*/
public void removeTraverseListener(TraverseListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Traverse, listener);
}
int resolveTextDirection() {
/*
* For generic Controls do nothing here. Text-enabled Controls will resolve
* AUTO text direction according to their text content.
*/
return SWT.NONE;
}
void showWidget (boolean visible) {
long topHandle = topHandle ();
OS.ShowWindow (topHandle, visible ? OS.SW_SHOW : OS.SW_HIDE);
if (handle != topHandle) OS.ShowWindow (handle, visible ? OS.SW_SHOW : OS.SW_HIDE);
}
@Override
boolean sendFocusEvent (int type) {
Shell shell = getShell ();
/*
* Feature in Windows. During the processing of WM_KILLFOCUS,
* when the focus window is queried using GetFocus(), it has
* already been assigned to the new window. The fix is to
* remember the control that is losing or gaining focus and
* answer it during WM_KILLFOCUS. If a WM_SETFOCUS occurs
* during WM_KILLFOCUS, the focus control needs to be updated
* to the current control. At any other time, the focus
* control matches Windows.
*/
Display display = this.display;
display.focusEvent = type;
display.focusControl = this;
sendEvent (type);
// widget could be disposed at this point
display.focusEvent = SWT.None;
display.focusControl = null;
/*
* It is possible that the shell may be
* disposed at this point. If this happens
* don't send the activate and deactivate
* events.
*/
if (!shell.isDisposed ()) {
switch (type) {
case SWT.FocusIn:
shell.setActiveControl (this);
break;
case SWT.FocusOut:
if (shell != display.getActiveShell ()) {
shell.setActiveControl (null);
}
break;
}
}
return true;
}
boolean sendGestureEvent (GESTUREINFO gi) {
/**
* Feature in Windows 7. GID_BEGIN and GID_END events bubble up through the window
* hierarchy for legacy support. Ignore events not targeted for this control.
*/
if (gi.hwndTarget != handle) return true;
Event event = new Event ();
int type = 0;
Point globalPt = new Point(gi.x, gi.y);
Point point = toControlInPixels(globalPt.x, globalPt.y);
event.setLocationInPixels(point.x, point.y);
switch (gi.dwID) {
case OS.GID_ZOOM:
type = SWT.Gesture;
event.detail = SWT.GESTURE_MAGNIFY;
int fingerDistance = OS.LODWORD (gi.ullArguments);
if ((gi.dwFlags & OS.GF_BEGIN) != 0) {
event.detail = SWT.GESTURE_BEGIN;
display.magStartDistance = display.lastDistance = fingerDistance;
} else if ((gi.dwFlags & OS.GF_END) != 0) {
event.detail = SWT.GESTURE_END;
}
/*
* The gi.ullArguments is the distance between the fingers.
* Scale factor is relative to that original value.
*/
if (fingerDistance == display.lastDistance && event.detail == SWT.GESTURE_MAGNIFY) return true;
if (fingerDistance != 0) event.magnification = fingerDistance / display.magStartDistance;
display.lastDistance = fingerDistance;
break;
case OS.GID_PAN:
type = SWT.Gesture;
event.detail = SWT.GESTURE_PAN;
if ((gi.dwFlags & OS.GF_BEGIN) != 0) {
event.detail = SWT.GESTURE_BEGIN;
display.lastX = point.x;
display.lastY = point.y;
} else if ((gi.dwFlags & OS.GF_END) != 0) {
event.detail = SWT.GESTURE_END;
}
if (display.lastX == point.x && display.lastY == point.y && event.detail == SWT.GESTURE_PAN) return true;
event.xDirection = point.x - display.lastX;
event.yDirection = point.y - display.lastY;
display.lastX = point.x;
display.lastY = point.y;
break;
case OS.GID_ROTATE:
type = SWT.Gesture;
event.detail = SWT.GESTURE_ROTATE;
double rotationInRadians = OS.GID_ROTATE_ANGLE_FROM_ARGUMENT (OS.LODWORD (gi.ullArguments));
if ((gi.dwFlags & OS.GF_BEGIN) != 0) {
event.detail = SWT.GESTURE_BEGIN;
display.rotationAngle = rotationInRadians;
} else if ((gi.dwFlags & OS.GF_END) != 0) {
event.detail = SWT.GESTURE_END;
}
/*
* Feature in Win32. Rotation events are sent even when the fingers are at rest.
* If the current rotation is the same as the last one received don't send the event.
*/
if (display.rotationAngle == rotationInRadians && event.detail == SWT.GESTURE_ROTATE) return true;
event.rotation = rotationInRadians * 180.0 / Math.PI;
display.rotationAngle = rotationInRadians;
break;
default:
// Unknown gesture -- ignore.
break;
}
if (type == 0) return true;
setInputState (event, type);
sendEvent (type, event);
return event.doit;
}
void sendMove () {
sendEvent (SWT.Move);
}
void sendResize () {
sendEvent (SWT.Resize);
}
void sendTouchEvent (TOUCHINPUT touchInput []) {
Event event = new Event ();
POINT pt = new POINT ();
OS.GetCursorPos (pt);
OS.ScreenToClient (handle, pt);
event.setLocationInPixels(pt.x, pt.y);
Touch [] touches = new Touch [touchInput.length];
Monitor monitor = getMonitor ();
for (int i = 0; i < touchInput.length; i++) {
TOUCHINPUT ti = touchInput [i];
TouchSource inputSource = display.findTouchSource (ti.hSource, monitor);
int state = 0;
if ((ti.dwFlags & OS.TOUCHEVENTF_DOWN) != 0) state = SWT.TOUCHSTATE_DOWN;
if ((ti.dwFlags & OS.TOUCHEVENTF_UP) != 0) state = SWT.TOUCHSTATE_UP;
if ((ti.dwFlags & OS.TOUCHEVENTF_MOVE) != 0) state = SWT.TOUCHSTATE_MOVE;
boolean primary = (ti.dwFlags & OS.TOUCHEVENTF_PRIMARY) != 0;
int x = (int)OS.TOUCH_COORD_TO_PIXEL (ti.x);
int y = (int)OS.TOUCH_COORD_TO_PIXEL (ti.y);
touches [i] = new Touch (ti.dwID, inputSource, state, primary, x, y);
}
event.touches = touches;
setInputState (event, SWT.Touch);
postEvent (SWT.Touch, event);
}
void setBackground () {
Control control = findBackgroundControl ();
if (control == null) control = this;
if (control.backgroundImage != null) {
Shell shell = getShell ();
shell.releaseBrushes ();
setBackgroundImage (control.backgroundImage.handle);
} else {
setBackgroundPixel (control.background == -1 ? control.defaultBackground() : control.background);
}
}
/**
* Sets the receiver's background color to the color specified
* by the argument, or to the default system color for the control
* if the argument is null.
*
* Note: This operation is a hint and may be overridden by the platform.
*
* @param color the new color (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setBackground (Color color) {
checkWidget ();
_setBackground (color);
if (color != null) {
this.updateBackgroundMode ();
}
}
private void _setBackground (Color color) {
int pixel = -1;
int alpha = 255;
if (color != null) {
if (color.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
pixel = color.handle;
alpha = color.getAlpha();
}
if (pixel == background && alpha == backgroundAlpha) return;
background = pixel;
backgroundAlpha = alpha;
updateBackgroundColor ();
}
/**
* Sets the receiver's background image to the image specified
* by the argument, or to the default system color for the control
* if the argument is null. The background image is tiled to fill
* the available space.
*
* Note: This operation is a hint and may be overridden by the platform.
* For example, on Windows the background of a Button cannot be changed.
*
* @param image the new image (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
* - ERROR_INVALID_ARGUMENT - if the argument is not a bitmap
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.2
*/
public void setBackgroundImage (Image image) {
checkWidget ();
if (image != null) {
if (image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
if (image.type != SWT.BITMAP) error (SWT.ERROR_INVALID_ARGUMENT);
}
if (backgroundImage == image && backgroundAlpha > 0) return;
backgroundAlpha = 255;
backgroundImage = image;
Shell shell = getShell ();
shell.releaseBrushes ();
updateBackgroundImage ();
}
void setBackgroundImage (long hBitmap) {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
OS.RedrawWindow (handle, null, 0, flags);
}
void setBackgroundPixel (int pixel) {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
OS.RedrawWindow (handle, null, 0, flags);
}
/**
* Sets the receiver's size and location in points to the rectangular
* area specified by the arguments. The x and
* y arguments are relative to the receiver's
* parent (or its display if its parent is null), unless
* the receiver is a shell. In this case, the x
* and y arguments are relative to the display.
*
* Note: Attempting to set the width or height of the
* receiver to a negative number will cause that
* value to be set to zero instead.
*
*
* Note: On GTK, attempting to set the width or height of the
* receiver to a number higher or equal 2^14 will cause them to be
* set to (2^14)-1 instead.
*
*
* @param x the new x coordinate for the receiver
* @param y the new y coordinate for the receiver
* @param width the new width for the receiver
* @param height the new height for the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setBounds(int x, int y, int width, int height) {
checkWidget ();
x = DPIUtil.autoScaleUp(x);
y = DPIUtil.autoScaleUp(y);
width = DPIUtil.autoScaleUp(width);
height = DPIUtil.autoScaleUp(height);
setBoundsInPixels(x, y, width, height);
}
void setBoundsInPixels (int x, int y, int width, int height) {
int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
setBoundsInPixels (x, y, Math.max (0, width), Math.max (0, height), flags);
}
void setBoundsInPixels (int x, int y, int width, int height, int flags) {
setBoundsInPixels (x, y, width, height, flags, true);
}
void setBoundsInPixels (int x, int y, int width, int height, int flags, boolean defer) {
if (findImageControl () != null) {
if (backgroundImage == null) flags |= OS.SWP_NOCOPYBITS;
} else {
if (OS.GetWindow (handle, OS.GW_CHILD) == 0) {
if (OS.IsAppThemed ()) {
if (findThemeControl () != null) flags |= OS.SWP_NOCOPYBITS;
}
}
}
long topHandle = topHandle ();
if (defer && parent != null) {
forceResize ();
if (parent.lpwp != null) {
int index = 0;
WINDOWPOS [] lpwp = parent.lpwp;
while (index < lpwp.length) {
if (lpwp [index] == null) break;
index ++;
}
if (index == lpwp.length) {
WINDOWPOS [] newLpwp = new WINDOWPOS [lpwp.length + 4];
System.arraycopy (lpwp, 0, newLpwp, 0, lpwp.length);
parent.lpwp = lpwp = newLpwp;
}
WINDOWPOS wp = new WINDOWPOS ();
wp.hwnd = topHandle;
wp.x = x;
wp.y = y;
wp.cx = width;
wp.cy = height;
wp.flags = flags;
lpwp [index] = wp;
return;
}
}
OS.SetWindowPos (topHandle, 0, x, y, width, height, flags);
}
/**
* Sets the receiver's size and location in points to the rectangular
* area specified by the argument. The x and
* y fields of the rectangle are relative to
* the receiver's parent (or its display if its parent is null).
*
* Note: Attempting to set the width or height of the
* receiver to a negative number will cause that
* value to be set to zero instead.
*
*
* Note: On GTK, attempting to set the width or height of the
* receiver to a number higher or equal 2^14 will cause them to be
* set to (2^14)-1 instead.
*
*
* @param rect the new bounds for the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setBounds (Rectangle rect) {
checkWidget ();
if (rect == null) error (SWT.ERROR_NULL_ARGUMENT);
setBoundsInPixels(DPIUtil.autoScaleUp(rect));
}
void setBoundsInPixels (Rectangle rect) {
setBoundsInPixels (rect.x, rect.y, rect.width, rect.height);
}
/**
* If the argument is true, causes the receiver to have
* all mouse events delivered to it until the method is called with
* false as the argument. Note that on some platforms,
* a mouse button must currently be down for capture to be assigned.
*
* @param capture true to capture the mouse, and false to release it
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setCapture (boolean capture) {
checkWidget ();
if (capture) {
OS.SetCapture (handle);
} else {
if (OS.GetCapture () == handle) {
OS.ReleaseCapture ();
}
}
}
void setCursor () {
long lParam = OS.MAKELPARAM (OS.HTCLIENT, OS.WM_MOUSEMOVE);
OS.SendMessage (handle, OS.WM_SETCURSOR, handle, lParam);
}
/**
* Sets the receiver's cursor to the cursor specified by the
* argument, or to the default cursor for that kind of control
* if the argument is null.
*
* When the mouse pointer passes over a control its appearance
* is changed to match the control's cursor.
*
*
* @param cursor the new cursor (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setCursor (Cursor cursor) {
checkWidget ();
if (cursor != null && cursor.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
this.cursor = cursor;
long hwndCursor = OS.GetCapture ();
if (hwndCursor == 0) {
POINT pt = new POINT ();
if (!OS.GetCursorPos (pt)) return;
long hwnd = hwndCursor = OS.WindowFromPoint (pt);
while (hwnd != 0 && hwnd != handle) {
hwnd = OS.GetParent (hwnd);
}
if (hwnd == 0) return;
}
Control control = display.getControl (hwndCursor);
if (control == null) control = this;
control.setCursor ();
}
void setDefaultFont () {
long hFont = display.getSystemFont ().handle;
OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0);
}
/**
* Sets the receiver's drag detect state. If the argument is
* true, the receiver will detect drag gestures,
* otherwise these gestures will be ignored.
*
* @param dragDetect the new drag detect state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.3
*/
public void setDragDetect (boolean dragDetect) {
checkWidget ();
if (dragDetect) {
state |= DRAG_DETECT;
} else {
state &= ~DRAG_DETECT;
}
enableDrag (dragDetect);
}
/**
* Enables the receiver if the argument is true,
* and disables it otherwise. A disabled control is typically
* not selectable from the user interface and draws with an
* inactive or "grayed" look.
*
* @param enabled the new enabled state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setEnabled (boolean enabled) {
checkWidget ();
/*
* Feature in Windows. If the receiver has focus, disabling
* the receiver causes no window to have focus. The fix is
* to assign focus to the first ancestor window that takes
* focus. If no window will take focus, set focus to the
* desktop.
*/
Control control = null;
boolean fixFocus = false;
if (!enabled) {
if (display.focusEvent != SWT.FocusOut) {
control = display.getFocusControl ();
fixFocus = isFocusAncestor (control);
}
}
enableWidget (enabled);
if (fixFocus) fixFocus (control);
}
/**
* Causes the receiver to have the keyboard focus,
* such that all keyboard events will be delivered to it. Focus
* reassignment will respect applicable platform constraints.
*
* @return true if the control got focus, and false if it was unable to.
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #forceFocus
*/
public boolean setFocus () {
checkWidget ();
if ((style & SWT.NO_FOCUS) != 0) return false;
return forceFocus ();
}
/**
* Sets the font that the receiver will use to paint textual information
* to the font specified by the argument, or to the default font for that
* kind of control if the argument is null.
*
* @param font the new font (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setFont (Font font) {
checkWidget ();
long hFont = 0;
if (font != null) {
if (font.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
hFont = font.handle;
}
this.font = font;
if (hFont == 0) hFont = defaultFont ();
OS.SendMessage (handle, OS.WM_SETFONT, hFont, 1);
}
/**
* Sets the receiver's foreground color to the color specified
* by the argument, or to the default system color for the control
* if the argument is null.
*
* Note: This operation is a hint and may be overridden by the platform.
*
* @param color the new color (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setForeground (Color color) {
checkWidget ();
int pixel = -1;
if (color != null) {
if (color.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
pixel = color.handle;
}
if (pixel == foreground) return;
foreground = pixel;
setForegroundPixel (pixel);
}
void setForegroundPixel (int pixel) {
OS.InvalidateRect (handle, null, true);
}
/**
* Sets the layout data associated with the receiver to the argument.
*
* @param layoutData the new layout data for the receiver.
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setLayoutData (Object layoutData) {
checkWidget ();
this.layoutData = layoutData;
}
/**
* Sets the receiver's location to the point specified by
* the arguments which are relative to the receiver's
* parent (or its display if its parent is null), unless
* the receiver is a shell. In this case, the point is
* relative to the display.
*
* @param x the new x coordinate for the receiver
* @param y the new y coordinate for the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setLocation (int x, int y) {
checkWidget ();
x = DPIUtil.autoScaleUp(x);
y = DPIUtil.autoScaleUp(y);
setLocationInPixels(x, y);
}
void setLocationInPixels (int x, int y) {
int flags = OS.SWP_NOSIZE | OS.SWP_NOZORDER | OS.SWP_NOACTIVATE | OS.SWP_DRAWFRAME;
setBoundsInPixels (x, y, 0, 0, flags);
}
/**
* Sets the receiver's location to the point specified by
* the arguments which are relative to the receiver's
* parent (or its display if its parent is null), unless
* the receiver is a shell. In this case, the point is
* relative to the display.
*
* @param location the new location for the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setLocation (Point location) {
checkWidget ();
if (location == null) error (SWT.ERROR_NULL_ARGUMENT);
location = DPIUtil.autoScaleUp(location);
setLocationInPixels(location.x, location.y);
}
/**
* Sets the receiver's pop up menu to the argument.
* All controls may optionally have a pop up
* menu that is displayed when the user requests one for
* the control. The sequence of key strokes, button presses
* and/or button releases that are used to request a pop up
* menu is platform specific.
*
* Note: Disposing of a control that has a pop up menu will
* dispose of the menu. To avoid this behavior, set the
* menu to null before the control is disposed.
*
*
* @param menu the new pop up menu
*
* @exception IllegalArgumentException
* - ERROR_MENU_NOT_POP_UP - the menu is not a pop up menu
* - ERROR_INVALID_PARENT - if the menu is not in the same widget tree
* - ERROR_INVALID_ARGUMENT - if the menu has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setMenu (Menu menu) {
checkWidget ();
if (menu != null) {
if (menu.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((menu.style & SWT.POP_UP) == 0) {
error (SWT.ERROR_MENU_NOT_POP_UP);
}
if (menu.parent != menuShell ()) {
error (SWT.ERROR_INVALID_PARENT);
}
}
this.menu = menu;
}
/**
* Sets the orientation of the receiver, which must be one
* of the constants SWT.LEFT_TO_RIGHT or SWT.RIGHT_TO_LEFT.
*
*
* @param orientation new orientation style
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.7
*/
public void setOrientation (int orientation) {
checkWidget ();
int flags = SWT.RIGHT_TO_LEFT | SWT.LEFT_TO_RIGHT;
if ((orientation & flags) == 0 || (orientation & flags) == flags) return;
style &= ~SWT.MIRRORED;
style &= ~flags;
style |= orientation & flags;
style &= ~SWT.FLIP_TEXT_DIRECTION;
updateOrientation ();
checkMirrored ();
}
boolean setRadioFocus (boolean tabbing) {
return false;
}
boolean setRadioSelection (boolean value) {
return false;
}
/**
* If the argument is false, causes subsequent drawing
* operations in the receiver to be ignored. No drawing of any kind
* can occur in the receiver until the flag is set to true.
* Graphics operations that occurred while the flag was
* false are lost. When the flag is set to true,
* the entire widget is marked as needing to be redrawn. Nested calls
* to this method are stacked.
*
* Note: This operation is a hint and may not be supported on some
* platforms or for some widgets.
*
*
* @param redraw the new redraw state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #redraw(int, int, int, int, boolean)
* @see #update()
*/
public void setRedraw (boolean redraw) {
checkWidget ();
/*
* Feature in Windows. When WM_SETREDRAW is used to turn
* off drawing in a widget, it clears the WS_VISIBLE bits
* and then sets them when redraw is turned back on. This
* means that WM_SETREDRAW will make a widget unexpectedly
* visible. The fix is to track the visibility state while
* drawing is turned off and restore it when drawing is
* turned back on.
*/
if (drawCount == 0) {
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
if ((bits & OS.WS_VISIBLE) == 0) state |= HIDDEN;
}
if (redraw) {
if (--drawCount == 0) {
long topHandle = topHandle ();
OS.SendMessage (topHandle, OS.WM_SETREDRAW, 1, 0);
if (handle != topHandle) OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0);
if ((state & HIDDEN) != 0) {
state &= ~HIDDEN;
OS.ShowWindow (topHandle, OS.SW_HIDE);
if (handle != topHandle) OS.ShowWindow (handle, OS.SW_HIDE);
} else {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
OS.RedrawWindow (topHandle, null, 0, flags);
}
}
} else {
if (drawCount++ == 0) {
long topHandle = topHandle ();
OS.SendMessage (topHandle, OS.WM_SETREDRAW, 0, 0);
if (handle != topHandle) OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0);
}
}
}
/**
* Sets the shape of the control to the region specified
* by the argument. When the argument is null, the
* default shape of the control is restored.
*
* @param region the region that defines the shape of the control (or null)
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the region has been disposed
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.4
*/
public void setRegion (Region region) {
checkWidget ();
if (region != null && region.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT);
long hRegion = 0;
if (region != null) {
hRegion = OS.CreateRectRgn (0, 0, 0, 0);
OS.CombineRgn (hRegion, region.handle, hRegion, OS.RGN_OR);
}
OS.SetWindowRgn (handle, hRegion, true);
this.region = region;
}
/**
* Sets the receiver's size to the point specified by the arguments.
*
* Note: Attempting to set the width or height of the
* receiver to a negative number will cause that
* value to be set to zero instead.
*
*
* Note: On GTK, attempting to set the width or height of the
* receiver to a number higher or equal 2^14 will cause them to be
* set to (2^14)-1 instead.
*
*
* @param width the new width in points for the receiver
* @param height the new height in points for the receiver
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setSize (int width, int height) {
checkWidget ();
width = DPIUtil.autoScaleUp(width);
height = DPIUtil.autoScaleUp(height);
setSizeInPixels(width, height);
}
void setSizeInPixels (int width, int height) {
int flags = OS.SWP_NOMOVE | OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
setBoundsInPixels (0, 0, Math.max (0, width), Math.max (0, height), flags);
}
/**
* Sets the receiver's size to the point specified by the argument.
*
* Note: Attempting to set the width or height of the
* receiver to a negative number will cause them to be
* set to zero instead.
*
*
* Note: On GTK, attempting to set the width or height of the
* receiver to a number higher or equal 2^14 will cause them to be
* set to (2^14)-1 instead.
*
*
* @param size the new size in points for the receiver
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the point is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setSize (Point size) {
checkWidget ();
if (size == null) error (SWT.ERROR_NULL_ARGUMENT);
size = DPIUtil.autoScaleUp(size);
setSizeInPixels(size.x, size.y);
}
@Override
boolean setTabItemFocus () {
if (!isShowing ()) return false;
return forceFocus ();
}
/**
* Sets the base text direction (a.k.a. "paragraph direction") of the receiver,
* which must be one of the constants SWT.LEFT_TO_RIGHT,
* SWT.RIGHT_TO_LEFT, or SWT.AUTO_TEXT_DIRECTION.
*
* setOrientation would override this value with the text direction
* that is consistent with the new orientation.
*
*
* Warning: This API is currently only implemented on Windows.
* It doesn't set the base text direction on GTK and Cocoa.
*
*
* @param textDirection the base text direction style
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see SWT#LEFT_TO_RIGHT
* @see SWT#RIGHT_TO_LEFT
* @see SWT#AUTO_TEXT_DIRECTION
* @see SWT#FLIP_TEXT_DIRECTION
*
* @since 3.102
*/
public void setTextDirection(int textDirection) {
checkWidget ();
textDirection &= (SWT.RIGHT_TO_LEFT | SWT.LEFT_TO_RIGHT);
updateTextDirection (textDirection);
if (textDirection == AUTO_TEXT_DIRECTION) {
state |= HAS_AUTO_DIRECTION;
} else {
state &= ~HAS_AUTO_DIRECTION;
}
}
/**
* 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.
*
* 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.
*
*
* NOTE: This operation is a hint and behavior is platform specific, on Windows
* for CJK-style mnemonics of the form " (&C)" at the end of the tooltip text
* are not shown in tooltip.
*
*
* @param string the new tool tip text (or null)
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setToolTipText (String string) {
checkWidget ();
toolTipText = string;
setToolTipText (getShell (), string);
}
void setToolTipText (Shell shell, String string) {
shell.setToolTipText (handle, string);
}
/**
* Sets whether this control should send touch events (by default controls do not).
* Setting this to false causes the receiver to send gesture events
* instead. No exception is thrown if a touch-based input device is not
* detected (this can be determined with Display#getTouchEnabled()).
*
* @param enabled the new touch-enabled state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see Display#getTouchEnabled
*
* @since 3.7
*/
public void setTouchEnabled(boolean enabled) {
checkWidget();
if (enabled) {
OS.RegisterTouchWindow(handle, 0);
} else {
OS.UnregisterTouchWindow(handle);
}
}
/**
* Marks the receiver as visible if the argument is true,
* and marks it invisible otherwise.
*
* If one of the receiver's ancestors is not visible or some
* other condition makes the receiver not visible, marking
* it visible may not actually cause it to be displayed.
*
*
* @param visible the new visibility state
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public void setVisible (boolean visible) {
checkWidget ();
if (!getDrawing()) {
if (((state & HIDDEN) == 0) == visible) return;
} else {
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
if (((bits & OS.WS_VISIBLE) != 0) == visible) return;
}
if (visible) {
sendEvent (SWT.Show);
if (isDisposed ()) return;
}
/*
* Feature in Windows. If the receiver has focus, hiding
* the receiver causes no window to have focus. The fix is
* to assign focus to the first ancestor window that takes
* focus. If no window will take focus, set focus to the
* desktop.
*/
Control control = null;
boolean fixFocus = false;
if (!visible) {
if (display.focusEvent != SWT.FocusOut) {
control = display.getFocusControl ();
fixFocus = isFocusAncestor (control);
}
}
if (!getDrawing()) {
state = visible ? state & ~HIDDEN : state | HIDDEN;
} else {
showWidget (visible);
if (isDisposed ()) return;
}
if (!visible) {
sendEvent (SWT.Hide);
if (isDisposed ()) return;
}
if (fixFocus) fixFocus (control);
}
void sort (int [] items) {
/* Shell Sort from K&R, pg 108 */
int length = items.length;
for (int gap=length/2; gap>0; gap/=2) {
for (int i=gap; i=0; j-=gap) {
if (items [j] <= items [j + gap]) {
int swap = items [j];
items [j] = items [j + gap];
items [j + gap] = swap;
}
}
}
}
}
void subclass () {
long oldProc = windowProc ();
long newProc = display.windowProc;
if (oldProc == newProc) return;
OS.SetWindowLongPtr (handle, OS.GWLP_WNDPROC, newProc);
}
/**
* Returns a point which is the result of converting the
* argument, which is specified in display relative coordinates,
* to coordinates relative to the receiver.
*
* NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use
* {@link Display#map(Control, Control, Rectangle)}.
*
*
* @param x the x coordinate in points to be translated
* @param y the y coordinate in points to be translated
* @return the translated coordinates
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.1
*/
public Point toControl (int x, int y) {
checkWidget ();
return DPIUtil.autoScaleDown(toControlInPixels(DPIUtil.autoScaleUp(x), DPIUtil.autoScaleUp(y)));
}
Point toControlInPixels (int x, int y) {
POINT pt = new POINT ();
pt.x = x; pt.y = y;
OS.ScreenToClient (handle, pt);
return new Point (pt.x, pt.y);
}
/**
* Returns a point which is the result of converting the
* argument, which is specified in display relative coordinates,
* to coordinates relative to the receiver.
*
* NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use
* {@link Display#map(Control, Control, Rectangle)}.
*
*
* @param point the point to be translated (must not be null)
* @return the translated coordinates
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the point is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public Point toControl (Point point) {
checkWidget ();
if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
point = DPIUtil.autoScaleUp(point);
return DPIUtil.autoScaleDown(toControlInPixels(point.x, point.y));
}
/**
* Returns a point which is the result of converting the
* argument, which is specified in coordinates relative to
* the receiver, to display relative coordinates.
*
* NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use
* {@link Display#map(Control, Control, Rectangle)}.
*
*
* @param x the x coordinate to be translated
* @param y the y coordinate to be translated
* @return the translated coordinates
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.1
*/
public Point toDisplay (int x, int y) {
checkWidget ();
return DPIUtil.autoScaleDown(toDisplayInPixels(DPIUtil.autoScaleUp(x), DPIUtil.autoScaleUp(y)));
}
Point toDisplayInPixels (int x, int y) {
POINT pt = new POINT ();
pt.x = x; pt.y = y;
OS.ClientToScreen (handle, pt);
return new Point (pt.x, pt.y);
}
/**
* Returns a point which is the result of converting the
* argument, which is specified in coordinates relative to
* the receiver, to display relative coordinates.
*
* NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use
* {@link Display#map(Control, Control, Rectangle)}.
*
*
* @param point the point to be translated (must not be null)
* @return the translated coordinates
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the point is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public Point toDisplay (Point point) {
checkWidget ();
if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
point = DPIUtil.autoScaleUp(point);
return DPIUtil.autoScaleDown(toDisplayInPixels(point.x, point.y));
}
long topHandle () {
return handle;
}
boolean translateAccelerator (MSG msg) {
return menuShell ().translateAccelerator (msg);
}
boolean translateMnemonic (Event event, Control control) {
if (control == this) return false;
if (!isVisible () || !isEnabled ()) return false;
event.doit = mnemonicMatch (event.character);
return traverse (event);
}
boolean translateMnemonic (MSG msg) {
if (msg.wParam < 0x20) return false;
long hwnd = msg.hwnd;
if (OS.GetKeyState (OS.VK_MENU) >= 0) {
long code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) return false;
if ((code & OS.DLGC_BUTTON) == 0) return false;
}
Decorations shell = menuShell ();
if (shell.isVisible () && shell.isEnabled ()) {
display.lastAscii = (int)msg.wParam;
display.lastNull = display.lastDead = false;
Event event = new Event ();
event.detail = SWT.TRAVERSE_MNEMONIC;
if (setKeyState (event, SWT.Traverse, msg.wParam, msg.lParam)) {
return translateMnemonic (event, null) || shell.translateMnemonic (event, this);
}
}
return false;
}
boolean translateTraversal (MSG msg) {
long hwnd = msg.hwnd;
int key = (int)msg.wParam;
if (key == OS.VK_MENU) {
if ((msg.lParam & 0x40000000) == 0) {
OS.SendMessage (hwnd, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
}
return false;
}
int detail = SWT.TRAVERSE_NONE;
boolean doit = true, all = false;
boolean lastVirtual = false;
int lastKey = key, lastAscii = 0;
switch (key) {
case OS.VK_ESCAPE: {
all = true;
lastAscii = 27;
long code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) {
/*
* Use DLGC_HASSETSEL to determine that the control
* is a text widget. A text widget normally wants
* all keys except VK_ESCAPE. If this bit is not
* set, then assume the control wants all keys,
* including VK_ESCAPE.
*/
if ((code & OS.DLGC_HASSETSEL) == 0) doit = false;
}
detail = SWT.TRAVERSE_ESCAPE;
break;
}
case OS.VK_RETURN: {
all = true;
lastAscii = '\r';
long code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) doit = false;
detail = SWT.TRAVERSE_RETURN;
break;
}
case OS.VK_TAB: {
lastAscii = '\t';
boolean next = OS.GetKeyState (OS.VK_SHIFT) >= 0;
long code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & (OS.DLGC_WANTTAB | OS.DLGC_WANTALLKEYS)) != 0) {
/*
* Use DLGC_HASSETSEL to determine that the control is a
* text widget. If the control is a text widget, then
* Ctrl+Tab and Shift+Tab should traverse out of the widget.
* If the control is not a text widget, the correct behavior
* is to give every character, including Tab, Ctrl+Tab and
* Shift+Tab to the control.
*/
if ((code & OS.DLGC_HASSETSEL) != 0) {
if (next && OS.GetKeyState (OS.VK_CONTROL) >= 0) {
doit = false;
}
} else {
doit = false;
}
}
detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS;
break;
}
case OS.VK_UP:
case OS.VK_LEFT:
case OS.VK_DOWN:
case OS.VK_RIGHT: {
lastVirtual = true;
long code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & (OS.DLGC_WANTARROWS /*| OS.DLGC_WANTALLKEYS*/)) != 0) doit = false;
boolean next = key == OS.VK_DOWN || key == OS.VK_RIGHT;
if (parent != null && (parent.style & SWT.MIRRORED) != 0) {
if (key == OS.VK_LEFT || key == OS.VK_RIGHT) next = !next;
}
detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS;
break;
}
case OS.VK_PRIOR:
case OS.VK_NEXT: {
all = true;
lastVirtual = true;
if (OS.GetKeyState (OS.VK_CONTROL) >= 0) return false;
long code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) {
/*
* Use DLGC_HASSETSEL to determine that the control is a
* text widget. If the control is a text widget, then
* Ctrl+PgUp and Ctrl+PgDn should traverse out of the widget.
*/
if ((code & OS.DLGC_HASSETSEL) == 0) doit = false;
}
detail = key == OS.VK_PRIOR ? SWT.TRAVERSE_PAGE_PREVIOUS : SWT.TRAVERSE_PAGE_NEXT;
break;
}
default:
return false;
}
Event event = new Event ();
event.doit = doit;
event.detail = detail;
display.lastKey = lastKey;
display.lastAscii = lastAscii;
display.lastVirtual = lastVirtual;
display.lastNull = display.lastDead = false;
if (!setKeyState (event, SWT.Traverse, msg.wParam, msg.lParam)) return false;
Shell shell = getShell ();
Control control = this;
do {
if (control.traverse (event)) {
OS.SendMessage (hwnd, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
return true;
}
if (!event.doit && control.hooks (SWT.Traverse)) return false;
if (control == shell) return false;
control = control.parent;
} while (all && control != null);
return false;
}
boolean traverse (Event event) {
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the traverse
* event. If this happens, return true to stop further
* event processing.
*/
sendEvent (SWT.Traverse, event);
if (isDisposed ()) return true;
if (!event.doit) return false;
switch (event.detail) {
case SWT.TRAVERSE_NONE: return true;
case SWT.TRAVERSE_ESCAPE: return traverseEscape ();
case SWT.TRAVERSE_RETURN: return traverseReturn ();
case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true);
case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false);
case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true);
case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false);
case SWT.TRAVERSE_MNEMONIC: return traverseMnemonic (event.character);
case SWT.TRAVERSE_PAGE_NEXT: return traversePage (true);
case SWT.TRAVERSE_PAGE_PREVIOUS: return traversePage (false);
}
return false;
}
/**
* Based on the argument, perform one of the expected platform
* traversal action. The argument should be one of the constants:
* SWT.TRAVERSE_ESCAPE, SWT.TRAVERSE_RETURN,
* SWT.TRAVERSE_TAB_NEXT, SWT.TRAVERSE_TAB_PREVIOUS,
* SWT.TRAVERSE_ARROW_NEXT, SWT.TRAVERSE_ARROW_PREVIOUS,
* SWT.TRAVERSE_PAGE_NEXT and SWT.TRAVERSE_PAGE_PREVIOUS.
*
* @param traversal the type of traversal
* @return true if the traversal succeeded
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public boolean traverse (int traversal) {
checkWidget ();
Event event = new Event ();
event.doit = true;
event.detail = traversal;
return traverse (event);
}
/**
* Performs a platform traversal action corresponding to a KeyDown event.
*
* Valid traversal values are
* SWT.TRAVERSE_NONE, SWT.TRAVERSE_MNEMONIC,
* SWT.TRAVERSE_ESCAPE, SWT.TRAVERSE_RETURN,
* SWT.TRAVERSE_TAB_NEXT, SWT.TRAVERSE_TAB_PREVIOUS,
* SWT.TRAVERSE_ARROW_NEXT, SWT.TRAVERSE_ARROW_PREVIOUS,
* SWT.TRAVERSE_PAGE_NEXT and SWT.TRAVERSE_PAGE_PREVIOUS.
* If traversal is SWT.TRAVERSE_NONE then the Traverse
* event is created with standard values based on the KeyDown event. If
* traversal is one of the other traversal constants then the Traverse
* event is created with this detail, and its doit is taken from the
* KeyDown event.
*
*
* @param traversal the type of traversal, or SWT.TRAVERSE_NONE to compute
* this from event
* @param event the KeyDown event
*
* @return true if the traversal succeeded
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT if the event is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.6
*/
public boolean traverse (int traversal, Event event) {
checkWidget ();
if (event == null) error (SWT.ERROR_NULL_ARGUMENT);
return traverse (traversal, event.character, event.keyCode, event.keyLocation, event.stateMask, event.doit);
}
/**
* Performs a platform traversal action corresponding to a KeyDown event.
*
* Valid traversal values are
* SWT.TRAVERSE_NONE, SWT.TRAVERSE_MNEMONIC,
* SWT.TRAVERSE_ESCAPE, SWT.TRAVERSE_RETURN,
* SWT.TRAVERSE_TAB_NEXT, SWT.TRAVERSE_TAB_PREVIOUS,
* SWT.TRAVERSE_ARROW_NEXT, SWT.TRAVERSE_ARROW_PREVIOUS,
* SWT.TRAVERSE_PAGE_NEXT and SWT.TRAVERSE_PAGE_PREVIOUS.
* If traversal is SWT.TRAVERSE_NONE then the Traverse
* event is created with standard values based on the KeyDown event. If
* traversal is one of the other traversal constants then the Traverse
* event is created with this detail, and its doit is taken from the
* KeyDown event.
*
*
* @param traversal the type of traversal, or SWT.TRAVERSE_NONE to compute
* this from event
* @param event the KeyDown event
*
* @return true if the traversal succeeded
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT if the event is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.6
*/
public boolean traverse (int traversal, KeyEvent event) {
checkWidget ();
if (event == null) error (SWT.ERROR_NULL_ARGUMENT);
return traverse (traversal, event.character, event.keyCode, event.keyLocation, event.stateMask, event.doit);
}
boolean traverse (int traversal, char character, int keyCode, int keyLocation, int stateMask, boolean doit) {
if (traversal == SWT.TRAVERSE_NONE) {
switch (keyCode) {
case SWT.ESC: {
traversal = SWT.TRAVERSE_ESCAPE;
doit = true;
break;
}
case SWT.CR: {
traversal = SWT.TRAVERSE_RETURN;
doit = true;
break;
}
case SWT.ARROW_DOWN:
case SWT.ARROW_RIGHT: {
traversal = SWT.TRAVERSE_ARROW_NEXT;
doit = false;
break;
}
case SWT.ARROW_UP:
case SWT.ARROW_LEFT: {
traversal = SWT.TRAVERSE_ARROW_PREVIOUS;
doit = false;
break;
}
case SWT.TAB: {
traversal = (stateMask & SWT.SHIFT) != 0 ? SWT.TRAVERSE_TAB_PREVIOUS : SWT.TRAVERSE_TAB_NEXT;
doit = true;
break;
}
case SWT.PAGE_DOWN: {
if ((stateMask & SWT.CTRL) != 0) {
traversal = SWT.TRAVERSE_PAGE_NEXT;
doit = true;
}
break;
}
case SWT.PAGE_UP: {
if ((stateMask & SWT.CTRL) != 0) {
traversal = SWT.TRAVERSE_PAGE_PREVIOUS;
doit = true;
}
break;
}
default: {
if (character != 0 && (stateMask & (SWT.ALT | SWT.CTRL)) == SWT.ALT) {
traversal = SWT.TRAVERSE_MNEMONIC;
doit = true;
}
break;
}
}
}
Event event = new Event ();
event.character = character;
event.detail = traversal;
event.doit = doit;
event.keyCode = keyCode;
event.keyLocation = keyLocation;
event.stateMask = stateMask;
Shell shell = getShell ();
boolean all = false;
switch (traversal) {
case SWT.TRAVERSE_ESCAPE:
case SWT.TRAVERSE_RETURN:
case SWT.TRAVERSE_PAGE_NEXT:
case SWT.TRAVERSE_PAGE_PREVIOUS: {
all = true;
// FALL THROUGH
}
case SWT.TRAVERSE_ARROW_NEXT:
case SWT.TRAVERSE_ARROW_PREVIOUS:
case SWT.TRAVERSE_TAB_NEXT:
case SWT.TRAVERSE_TAB_PREVIOUS: {
/* traversal is a valid traversal action */
break;
}
case SWT.TRAVERSE_MNEMONIC: {
return translateMnemonic (event, null) || shell.translateMnemonic (event, this);
}
default: {
/* traversal is not a valid traversal action */
return false;
}
}
Control control = this;
do {
if (control.traverse (event)) {
OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
return true;
}
if (!event.doit && control.hooks (SWT.Traverse)) return false;
if (control == shell) return false;
control = control.parent;
} while (all && control != null);
return false;
}
boolean traverseEscape () {
return false;
}
boolean traverseGroup (boolean next) {
Control root = computeTabRoot ();
Widget group = computeTabGroup ();
Widget [] list = root.computeTabList ();
int length = list.length;
int index = 0;
while (index < length) {
if (list [index] == group) break;
index++;
}
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in focus in
* or out events. Ensure that a disposed widget is
* not accessed.
*/
if (index == length) return false;
int start = index, offset = (next) ? 1 : -1;
while ((index = ((index + offset + length) % length)) != start) {
Widget widget = list [index];
if (!widget.isDisposed () && widget.setTabGroupFocus ()) {
return true;
}
}
if (group.isDisposed ()) return false;
return group.setTabGroupFocus ();
}
boolean traverseItem (boolean next) {
Control [] children = parent._getChildren ();
int length = children.length;
int index = 0;
while (index < length) {
if (children [index] == this) break;
index++;
}
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in focus in
* or out events. Ensure that a disposed widget is
* not accessed.
*/
if (index == length) return false;
int start = index, offset = (next) ? 1 : -1;
while ((index = (index + offset + length) % length) != start) {
Control child = children [index];
if (!child.isDisposed () && child.isTabItem ()) {
if (child.setTabItemFocus ()) return true;
}
}
return false;
}
boolean traverseMnemonic (char key) {
if (mnemonicHit (key)) {
OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
return true;
}
return false;
}
boolean traversePage (boolean next) {
return false;
}
boolean traverseReturn () {
return false;
}
void unsubclass () {
long newProc = windowProc ();
long oldProc = display.windowProc;
if (oldProc == newProc) return;
OS.SetWindowLongPtr (handle, OS.GWLP_WNDPROC, newProc);
}
/**
* Forces all outstanding paint requests for the widget
* to be processed before this method returns. If there
* are no outstanding paint request, this method does
* nothing.
*
* Note: This method does not cause a redraw.
*
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see #redraw()
* @see #redraw(int, int, int, int, boolean)
* @see PaintListener
* @see SWT#Paint
*/
public void update () {
checkWidget ();
update (false);
}
void update (boolean all) {
// checkWidget ();
int flags = OS.RDW_UPDATENOW;
if (all) flags |= OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, null, 0, flags);
}
void updateBackgroundColor () {
Control control = findBackgroundControl ();
if (control == null) control = this;
setBackgroundPixel (control.background);
}
void updateBackgroundImage () {
Control control = findBackgroundControl ();
Image image = control != null ? control.backgroundImage : backgroundImage;
setBackgroundImage (image != null ? image.handle : 0);
}
void updateBackgroundMode () {
int oldState = state & PARENT_BACKGROUND;
checkBackground ();
if (oldState != (state & PARENT_BACKGROUND)) {
setBackground ();
}
}
void updateFont (Font oldFont, Font newFont) {
if (getFont ().equals (oldFont)) setFont (newFont);
}
void updateLayout (boolean resize, boolean all) {
/* Do nothing */
}
void updateOrientation () {
int bits = OS.GetWindowLong (handle, OS.GWL_EXSTYLE);
if ((style & SWT.RIGHT_TO_LEFT) != 0) {
bits |= OS.WS_EX_LAYOUTRTL;
} else {
bits &= ~OS.WS_EX_LAYOUTRTL;
}
bits &= ~OS.WS_EX_RTLREADING;
OS.SetWindowLong (handle, OS.GWL_EXSTYLE, bits);
OS.InvalidateRect (handle, null, true);
}
boolean updateTextDirection (int textDirection) {
if (textDirection == AUTO_TEXT_DIRECTION) {
textDirection = resolveTextDirection();
state |= HAS_AUTO_DIRECTION;
} else {
state &= ~HAS_AUTO_DIRECTION;
}
if (textDirection == 0) return false;
int bits = OS.GetWindowLong (handle, OS.GWL_EXSTYLE);
/*
* OS.WS_EX_RTLREADING means that the text direction is opposite to the
* natural one for the current layout. So text direction would be RTL when
* one and only one of the flags OS.WS_EX_LAYOUTRTL | OS.WS_EX_RTLREADING is
* on.
*/
int flags = OS.WS_EX_LAYOUTRTL | OS.WS_EX_RTLREADING;
boolean oldRtl = ((bits & flags) != 0 && (bits & flags) != flags);
boolean newRtl = textDirection == SWT.RIGHT_TO_LEFT;
if (newRtl == oldRtl) return false;
oldRtl = (bits & OS.WS_EX_LAYOUTRTL) != 0;
if (newRtl != oldRtl) {
bits |= OS.WS_EX_RTLREADING;
style |= SWT.FLIP_TEXT_DIRECTION;
} else {
bits &= ~OS.WS_EX_RTLREADING;
style &= ~SWT.FLIP_TEXT_DIRECTION;
}
OS.SetWindowLong (handle, OS.GWL_EXSTYLE, bits);
OS.InvalidateRect (handle, null, true);
return true;
}
CREATESTRUCT widgetCreateStruct () {
return null;
}
int widgetExtStyle () {
int bits = 0;
if ((style & SWT.BORDER) != 0) bits |= OS.WS_EX_CLIENTEDGE;
// if ((style & SWT.BORDER) != 0) {
// if ((style & SWT.FLAT) == 0) bits |= OS.WS_EX_CLIENTEDGE;
// }
bits |= OS.WS_EX_NOINHERITLAYOUT;
if ((style & SWT.RIGHT_TO_LEFT) != 0) bits |= OS.WS_EX_LAYOUTRTL;
if ((style & SWT.FLIP_TEXT_DIRECTION) != 0) bits |= OS.WS_EX_RTLREADING;
return bits;
}
long widgetParent () {
return parent.handle;
}
int widgetStyle () {
/* Force clipping of siblings by setting WS_CLIPSIBLINGS */
int bits = OS.WS_CHILD | OS.WS_VISIBLE | OS.WS_CLIPSIBLINGS;
// if ((style & SWT.BORDER) != 0) {
// if ((style & SWT.FLAT) != 0) bits |= OS.WS_BORDER;
// }
return bits;
/*
* This code is intentionally commented. When clipping
* of both siblings and children is not enforced, it is
* possible for application code to draw outside of the
* control.
*/
// int bits = OS.WS_CHILD | OS.WS_VISIBLE;
// if ((style & SWT.CLIP_SIBLINGS) != 0) bits |= OS.WS_CLIPSIBLINGS;
// if ((style & SWT.CLIP_CHILDREN) != 0) bits |= OS.WS_CLIPCHILDREN;
// return bits;
}
/**
* Changes the parent of the widget to be the one provided.
* Returns true if the parent is successfully changed.
*
* @param parent the new parent for the control.
* @return true if the parent is changed and false otherwise.
*
* @exception IllegalArgumentException
* - ERROR_INVALID_ARGUMENT - if the argument has been disposed
* - ERROR_NULL_ARGUMENT - if the parent is
null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public boolean setParent (Composite parent) {
checkWidget ();
if (parent == null) error (SWT.ERROR_NULL_ARGUMENT);
if (parent.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (this.parent == parent) return true;
if (!isReparentable ()) return false;
releaseParent ();
Shell newShell = parent.getShell (), oldShell = getShell ();
Decorations newDecorations = parent.menuShell (), oldDecorations = menuShell ();
if (oldShell != newShell || oldDecorations != newDecorations) {
Menu [] menus = oldShell.findMenus (this);
fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus);
}
long topHandle = topHandle ();
if (OS.SetParent (topHandle, parent.handle) == 0) return false;
this.parent = parent;
int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
OS.SetWindowPos (topHandle, OS.HWND_BOTTOM, 0, 0, 0, 0, flags);
reskin (SWT.ALL);
return true;
}
abstract TCHAR windowClass ();
abstract long windowProc ();
long windowProc (long hwnd, int msg, long wParam, long lParam) {
Display display = this.display;
LRESULT result = null;
switch (msg) {
case OS.WM_ACTIVATE: result = WM_ACTIVATE (wParam, lParam); break;
case OS.WM_CAPTURECHANGED: result = WM_CAPTURECHANGED (wParam, lParam); break;
case OS.WM_CHANGEUISTATE: result = WM_CHANGEUISTATE (wParam, lParam); break;
case OS.WM_CHAR: result = WM_CHAR (wParam, lParam); break;
case OS.WM_CLEAR: result = WM_CLEAR (wParam, lParam); break;
case OS.WM_CLOSE: result = WM_CLOSE (wParam, lParam); break;
case OS.WM_COMMAND: result = WM_COMMAND (wParam, lParam); break;
case OS.WM_CONTEXTMENU: result = WM_CONTEXTMENU (wParam, lParam); break;
case OS.WM_CTLCOLORBTN:
case OS.WM_CTLCOLORDLG:
case OS.WM_CTLCOLOREDIT:
case OS.WM_CTLCOLORLISTBOX:
case OS.WM_CTLCOLORMSGBOX:
case OS.WM_CTLCOLORSCROLLBAR:
case OS.WM_CTLCOLORSTATIC: result = WM_CTLCOLOR (wParam, lParam); break;
case OS.WM_CUT: result = WM_CUT (wParam, lParam); break;
case OS.WM_DESTROY: result = WM_DESTROY (wParam, lParam); break;
case OS.WM_DRAWITEM: result = WM_DRAWITEM (wParam, lParam); break;
case OS.WM_ENDSESSION: result = WM_ENDSESSION (wParam, lParam); break;
case OS.WM_ENTERIDLE: result = WM_ENTERIDLE (wParam, lParam); break;
case OS.WM_ERASEBKGND: result = WM_ERASEBKGND (wParam, lParam); break;
case OS.WM_GESTURE: result = WM_GESTURE (wParam, lParam); break;
case OS.WM_GETDLGCODE: result = WM_GETDLGCODE (wParam, lParam); break;
case OS.WM_GETFONT: result = WM_GETFONT (wParam, lParam); break;
case OS.WM_GETOBJECT: result = WM_GETOBJECT (wParam, lParam); break;
case OS.WM_GETMINMAXINFO: result = WM_GETMINMAXINFO (wParam, lParam); break;
case OS.WM_HELP: result = WM_HELP (wParam, lParam); break;
case OS.WM_HSCROLL: result = WM_HSCROLL (wParam, lParam); break;
case OS.WM_IME_CHAR: result = WM_IME_CHAR (wParam, lParam); break;
case OS.WM_IME_COMPOSITION: result = WM_IME_COMPOSITION (wParam, lParam); break;
case OS.WM_IME_COMPOSITION_START: result = WM_IME_COMPOSITION_START (wParam, lParam); break;
case OS.WM_IME_ENDCOMPOSITION: result = WM_IME_ENDCOMPOSITION (wParam, lParam); break;
case OS.WM_INITMENUPOPUP: result = WM_INITMENUPOPUP (wParam, lParam); break;
case OS.WM_INPUTLANGCHANGE: result = WM_INPUTLANGCHANGE (wParam, lParam); break;
case OS.WM_HOTKEY: result = WM_HOTKEY (wParam, lParam); break;
case OS.WM_KEYDOWN: result = WM_KEYDOWN (wParam, lParam); break;
case OS.WM_KEYUP: result = WM_KEYUP (wParam, lParam); break;
case OS.WM_KILLFOCUS: result = WM_KILLFOCUS (wParam, lParam); break;
case OS.WM_LBUTTONDBLCLK: result = WM_LBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_LBUTTONDOWN: result = WM_LBUTTONDOWN (wParam, lParam); break;
case OS.WM_LBUTTONUP: result = WM_LBUTTONUP (wParam, lParam); break;
case OS.WM_MBUTTONDBLCLK: result = WM_MBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_MBUTTONDOWN: result = WM_MBUTTONDOWN (wParam, lParam); break;
case OS.WM_MBUTTONUP: result = WM_MBUTTONUP (wParam, lParam); break;
case OS.WM_MEASUREITEM: result = WM_MEASUREITEM (wParam, lParam); break;
case OS.WM_MENUCHAR: result = WM_MENUCHAR (wParam, lParam); break;
case OS.WM_MENUSELECT: result = WM_MENUSELECT (wParam, lParam); break;
case OS.WM_MOUSEACTIVATE: result = WM_MOUSEACTIVATE (wParam, lParam); break;
case OS.WM_MOUSEHOVER: result = WM_MOUSEHOVER (wParam, lParam); break;
case OS.WM_MOUSELEAVE: result = WM_MOUSELEAVE (wParam, lParam); break;
case OS.WM_MOUSEMOVE: result = WM_MOUSEMOVE (wParam, lParam); break;
case OS.WM_MOUSEWHEEL: result = WM_MOUSEWHEEL (wParam, lParam); break;
case OS.WM_MOUSEHWHEEL: result = WM_MOUSEHWHEEL (wParam, lParam); break;
case OS.WM_MOVE: result = WM_MOVE (wParam, lParam); break;
case OS.WM_NCACTIVATE: result = WM_NCACTIVATE (wParam, lParam); break;
case OS.WM_NCCALCSIZE: result = WM_NCCALCSIZE (wParam, lParam); break;
case OS.WM_NCHITTEST: result = WM_NCHITTEST (wParam, lParam); break;
case OS.WM_NCLBUTTONDOWN: result = WM_NCLBUTTONDOWN (wParam, lParam); break;
case OS.WM_NCPAINT: result = WM_NCPAINT (wParam, lParam); break;
case OS.WM_NOTIFY: result = WM_NOTIFY (wParam, lParam); break;
case OS.WM_PAINT: result = WM_PAINT (wParam, lParam); break;
case OS.WM_ENTERMENULOOP: result = WM_ENTERMENULOOP (wParam, lParam); break;
case OS.WM_EXITMENULOOP: result = WM_EXITMENULOOP (wParam, lParam); break;
case OS.WM_ENTERSIZEMOVE: result = WM_ENTERSIZEMOVE (wParam, lParam); break;
case OS.WM_EXITSIZEMOVE: result = WM_EXITSIZEMOVE (wParam, lParam); break;
case OS.WM_PARENTNOTIFY: result = WM_PARENTNOTIFY (wParam, lParam); break;
case OS.WM_PASTE: result = WM_PASTE (wParam, lParam); break;
case OS.WM_PRINT: result = WM_PRINT (wParam, lParam); break;
case OS.WM_PRINTCLIENT: result = WM_PRINTCLIENT (wParam, lParam); break;
case OS.WM_QUERYENDSESSION: result = WM_QUERYENDSESSION (wParam, lParam); break;
case OS.WM_QUERYOPEN: result = WM_QUERYOPEN (wParam, lParam); break;
case OS.WM_RBUTTONDBLCLK: result = WM_RBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_RBUTTONDOWN: result = WM_RBUTTONDOWN (wParam, lParam); break;
case OS.WM_RBUTTONUP: result = WM_RBUTTONUP (wParam, lParam); break;
case OS.WM_SETCURSOR: result = WM_SETCURSOR (wParam, lParam); break;
case OS.WM_SETFOCUS: result = WM_SETFOCUS (wParam, lParam); break;
case OS.WM_SETFONT: result = WM_SETFONT (wParam, lParam); break;
case OS.WM_SETTINGCHANGE: result = WM_SETTINGCHANGE (wParam, lParam); break;
case OS.WM_SETREDRAW: result = WM_SETREDRAW (wParam, lParam); break;
case OS.WM_SHOWWINDOW: result = WM_SHOWWINDOW (wParam, lParam); break;
case OS.WM_SIZE: result = WM_SIZE (wParam, lParam); break;
case OS.WM_SYSCHAR: result = WM_SYSCHAR (wParam, lParam); break;
case OS.WM_SYSCOLORCHANGE: result = WM_SYSCOLORCHANGE (wParam, lParam); break;
case OS.WM_SYSCOMMAND: result = WM_SYSCOMMAND (wParam, lParam); break;
case OS.WM_SYSKEYDOWN: result = WM_SYSKEYDOWN (wParam, lParam); break;
case OS.WM_SYSKEYUP: result = WM_SYSKEYUP (wParam, lParam); break;
case OS.WM_TABLET_FLICK: result = WM_TABLET_FLICK (wParam, lParam); break;
case OS.WM_TIMER: result = WM_TIMER (wParam, lParam); break;
case OS.WM_TOUCH: result = WM_TOUCH (wParam, lParam); break;
case OS.WM_UNDO: result = WM_UNDO (wParam, lParam); break;
case OS.WM_UNINITMENUPOPUP: result = WM_UNINITMENUPOPUP (wParam, lParam); break;
case OS.WM_UPDATEUISTATE: result = WM_UPDATEUISTATE (wParam, lParam); break;
case OS.WM_VSCROLL: result = WM_VSCROLL (wParam, lParam); break;
case OS.WM_WINDOWPOSCHANGED: result = WM_WINDOWPOSCHANGED (wParam, lParam); break;
case OS.WM_WINDOWPOSCHANGING: result = WM_WINDOWPOSCHANGING (wParam, lParam); break;
case OS.WM_XBUTTONDBLCLK: result = WM_XBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_XBUTTONDOWN: result = WM_XBUTTONDOWN (wParam, lParam); break;
case OS.WM_XBUTTONUP: result = WM_XBUTTONUP (wParam, lParam); break;
case OS.WM_DPICHANGED: result = WM_DPICHANGED (wParam, lParam); break;
}
if (result != null) return result.value;
// widget could be disposed at this point
display.sendPreExternalEventDispatchEvent ();
try {
return callWindowProc (hwnd, msg, wParam, lParam);
} finally {
// widget could be disposed at this point
display.sendPostExternalEventDispatchEvent ();
}
}
LRESULT WM_ACTIVATE (long wParam, long lParam) {
return null;
}
LRESULT WM_CAPTURECHANGED (long wParam, long lParam) {
return wmCaptureChanged (handle, wParam, lParam);
}
LRESULT WM_CHANGEUISTATE (long wParam, long lParam) {
if ((state & IGNORE_WM_CHANGEUISTATE) != 0) return LRESULT.ZERO;
return null;
}
LRESULT WM_CHAR (long wParam, long lParam) {
return wmChar (handle, wParam, lParam);
}
LRESULT WM_CLEAR (long wParam, long lParam) {
return null;
}
LRESULT WM_CLOSE (long wParam, long lParam) {
return null;
}
LRESULT WM_COMMAND (long wParam, long lParam) {
/*
* When the WM_COMMAND message is sent from a
* menu, the HWND parameter in LPARAM is zero.
*/
if (lParam == 0) {
Decorations shell = menuShell ();
if (shell.isEnabled ()) {
int id = OS.LOWORD (wParam);
MenuItem item = display.getMenuItem (id);
if (item != null && item.isEnabled ()) {
return item.wmCommandChild (wParam, lParam);
}
}
return null;
}
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmCommandChild (wParam, lParam);
}
LRESULT WM_CONTEXTMENU (long wParam, long lParam) {
return wmContextMenu (handle, wParam, lParam);
}
LRESULT WM_CTLCOLOR (long wParam, long lParam) {
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmColorChild (wParam, lParam);
}
LRESULT WM_CUT (long wParam, long lParam) {
return null;
}
LRESULT WM_DESTROY (long wParam, long lParam) {
OS.KillTimer (this.handle, Menu.ID_TOOLTIP_TIMER);
return null;
}
LRESULT WM_DPICHANGED (long wParam, long lParam) {
// Map DPI to Zoom and compare
int nativeZoom = DPIUtil.mapDPIToZoom (OS.HIWORD (wParam));
int newSWTZoom = DPIUtil.getZoomForAutoscaleProperty (nativeZoom);
int oldSWTZoom = DPIUtil.getDeviceZoom();
// Throw the DPI change event if zoom value changes
if (newSWTZoom != oldSWTZoom) {
Event event = new Event();
event.type = SWT.ZoomChanged;
event.widget = this;
event.detail = newSWTZoom;
event.doit = true;
notifyListeners(SWT.ZoomChanged, event);
return LRESULT.ZERO;
}
return LRESULT.ONE;
}
LRESULT WM_DRAWITEM (long wParam, long lParam) {
DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT ();
OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof);
if (struct.CtlType == OS.ODT_MENU) {
MenuItem item = display.getMenuItem (struct.itemID);
if (item == null) return null;
return item.wmDrawChild (wParam, lParam);
}
Control control = display.getControl (struct.hwndItem);
if (control == null) return null;
return control.wmDrawChild (wParam, lParam);
}
LRESULT WM_ENDSESSION (long wParam, long lParam) {
return null;
}
LRESULT WM_ENTERIDLE (long wParam, long lParam) {
return null;
}
LRESULT WM_ENTERMENULOOP (long wParam, long lParam) {
display.externalEventLoop = true;
return null;
}
LRESULT WM_ENTERSIZEMOVE (long wParam, long lParam) {
display.externalEventLoop = true;
return null;
}
LRESULT WM_ERASEBKGND (long wParam, long lParam) {
if ((state & DRAW_BACKGROUND) != 0) {
if (findImageControl () != null) return LRESULT.ONE;
}
if ((state & THEME_BACKGROUND) != 0) {
if (OS.IsAppThemed ()) {
if (findThemeControl () != null) return LRESULT.ONE;
}
}
return null;
}
LRESULT WM_EXITMENULOOP (long wParam, long lParam) {
display.externalEventLoop = false;
return null;
}
LRESULT WM_EXITSIZEMOVE (long wParam, long lParam) {
display.externalEventLoop = false;
return null;
}
LRESULT WM_GESTURE (long wParam, long lParam) {
if (hooks (SWT.Gesture) || filters (SWT.Gesture)) {
GESTUREINFO gi = new GESTUREINFO ();
gi.cbSize = GESTUREINFO.sizeof;
if (OS.GetGestureInfo (lParam, gi)) {
if (!sendGestureEvent (gi)) {
OS.CloseGestureInfoHandle (lParam);
return LRESULT.ZERO;
}
}
}
return null;
}
LRESULT WM_GETDLGCODE (long wParam, long lParam) {
return null;
}
LRESULT WM_GETFONT (long wParam, long lParam) {
return null;
}
LRESULT WM_GETOBJECT (long wParam, long lParam) {
if (accessible != null) {
long result = accessible.internal_WM_GETOBJECT (wParam, lParam);
if (result != 0) return new LRESULT (result);
}
return null;
}
LRESULT WM_GETMINMAXINFO (long wParam, long lParam) {
return null;
}
LRESULT WM_HOTKEY (long wParam, long lParam) {
return null;
}
LRESULT WM_HELP (long wParam, long lParam) {
HELPINFO lphi = new HELPINFO ();
OS.MoveMemory (lphi, lParam, HELPINFO.sizeof);
Decorations shell = menuShell ();
if (!shell.isEnabled ()) return null;
if (lphi.iContextType == OS.HELPINFO_MENUITEM) {
MenuItem item = display.getMenuItem (lphi.iCtrlId);
if (item != null && item.isEnabled ()) {
Widget widget = null;
if (item.hooks (SWT.Help)) {
widget = item;
} else {
Menu menu = item.parent;
if (menu.hooks (SWT.Help)) widget = menu;
}
if (widget != null) {
long hwndShell = shell.handle;
OS.SendMessage (hwndShell, OS.WM_CANCELMODE, 0, 0);
widget.postEvent (SWT.Help);
return LRESULT.ONE;
}
}
return null;
}
if (hooks (SWT.Help)) {
postEvent (SWT.Help);
return LRESULT.ONE;
}
return null;
}
LRESULT WM_HSCROLL (long wParam, long lParam) {
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmScrollChild (wParam, lParam);
}
LRESULT WM_IME_CHAR (long wParam, long lParam) {
return wmIMEChar (handle, wParam, lParam);
}
LRESULT WM_IME_COMPOSITION (long wParam, long lParam) {
return null;
}
LRESULT WM_IME_COMPOSITION_START (long wParam, long lParam) {
return null;
}
LRESULT WM_IME_ENDCOMPOSITION (long wParam, long lParam) {
return null;
}
LRESULT WM_UNINITMENUPOPUP (long wParam, long lParam) {
Menu hiddenMenu = menuShell ().findMenu (wParam);
if (hiddenMenu != null) {
Shell shell = getShell ();
hiddenMenu.sendEvent (SWT.Hide);
if (hiddenMenu == shell.activeMenu) shell.activeMenu = null;
}
return null;
}
LRESULT WM_INITMENUPOPUP (long wParam, long lParam) {
/* Ignore WM_INITMENUPOPUP for an accelerator */
if (display.accelKeyHit) return null;
/*
* If the high order word of LPARAM is non-zero,
* the menu is the system menu and we can ignore
* WPARAM. Otherwise, use WPARAM to find the menu.
*/
Shell shell = getShell ();
Menu oldMenu = shell.activeMenu, newMenu = null;
if (OS.HIWORD (lParam) == 0) {
newMenu = menuShell ().findMenu (wParam);
if (newMenu != null) newMenu.update ();
}
Menu menu = newMenu;
while (menu != null && menu != oldMenu) {
menu = menu.getParentMenu ();
}
if (menu == null) {
menu = shell.activeMenu;
while (menu != null) {
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the hide
* event. If this happens, stop searching up the
* ancestor list because there is no longer a link
* to follow.
*/
menu.sendEvent (SWT.Hide);
if (menu.isDisposed ()) break;
menu = menu.getParentMenu ();
Menu ancestor = newMenu;
while (ancestor != null && ancestor != menu) {
ancestor = ancestor.getParentMenu ();
}
if (ancestor != null) break;
}
}
/*
* The shell and the new menu may be disposed because of
* sending the hide event to the ancestor menus but setting
* a field to null in a disposed shell is not harmful.
*/
if (newMenu != null && newMenu.isDisposed ()) newMenu = null;
shell.activeMenu = newMenu;
/* Send the show event */
if (newMenu != null && newMenu != oldMenu) {
newMenu.sendEvent (SWT.Show);
// widget could be disposed at this point
}
return null;
}
LRESULT WM_INPUTLANGCHANGE (long wParam, long lParam) {
menuShell().destroyAccelerators();
return null;
}
LRESULT WM_KEYDOWN (long wParam, long lParam) {
return wmKeyDown (handle, wParam, lParam);
}
LRESULT WM_KEYUP (long wParam, long lParam) {
return wmKeyUp (handle, wParam, lParam);
}
LRESULT WM_KILLFOCUS (long wParam, long lParam) {
return wmKillFocus (handle, wParam, lParam);
}
LRESULT WM_LBUTTONDBLCLK (long wParam, long lParam) {
return wmLButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_LBUTTONDOWN (long wParam, long lParam) {
return wmLButtonDown (handle, wParam, lParam);
}
LRESULT WM_LBUTTONUP (long wParam, long lParam) {
return wmLButtonUp (handle, wParam, lParam);
}
LRESULT WM_MBUTTONDBLCLK (long wParam, long lParam) {
return wmMButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_MBUTTONDOWN (long wParam, long lParam) {
return wmMButtonDown (handle, wParam, lParam);
}
LRESULT WM_MBUTTONUP (long wParam, long lParam) {
return wmMButtonUp (handle, wParam, lParam);
}
LRESULT WM_MEASUREITEM (long wParam, long lParam) {
MEASUREITEMSTRUCT struct = new MEASUREITEMSTRUCT ();
OS.MoveMemory (struct, lParam, MEASUREITEMSTRUCT.sizeof);
if (struct.CtlType == OS.ODT_MENU) {
MenuItem item = display.getMenuItem (struct.itemID);
if (item == null) return null;
return item.wmMeasureChild (wParam, lParam);
}
long hwnd = OS.GetDlgItem (handle, struct.CtlID);
Control control = display.getControl (hwnd);
if (control == null) return null;
return control.wmMeasureChild (wParam, lParam);
}
LRESULT WM_MENUCHAR (long wParam, long lParam) {
/*
* Feature in Windows. When the user types Alt+
* and does not match a mnemonic in the System
* menu or the menu bar, Windows beeps. This beep is
* unexpected and unwanted by applications that look
* for Alt+. The fix is to detect the case and
* stop Windows from beeping by closing the menu.
*/
int type = OS.HIWORD (wParam);
if (type == 0 || type == OS.MF_SYSMENU) {
display.mnemonicKeyHit = false;
return new LRESULT (OS.MAKELRESULT (0, OS.MNC_CLOSE));
}
return null;
}
LRESULT WM_MENUSELECT (long wParam, long lParam) {
int code = OS.HIWORD (wParam);
Shell shell = getShell ();
OS.KillTimer (this.handle, Menu.ID_TOOLTIP_TIMER);
if (activeMenu != null)
activeMenu.hideCurrentToolTip ();
if (code == 0xFFFF && lParam == 0) {
Menu menu = shell.activeMenu;
while (menu != null) {
/*
* When the user cancels any menu that is not the
* menu bar, assume a mnemonic key was pressed to open
* the menu from WM_SYSCHAR. When the menu was invoked
* using the mouse, this assumption is wrong but not
* harmful. This variable is only used in WM_SYSCHAR
* and WM_SYSCHAR is only sent after the user has pressed
* a mnemonic.
*/
display.mnemonicKeyHit = true;
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the hide
* event. If this happens, stop searching up the
* parent list because there is no longer a link
* to follow.
*/
menu.sendEvent (SWT.Hide);
if (menu.isDisposed ()) break;
menu = menu.getParentMenu ();
}
/*
* The shell may be disposed because of sending the hide
* event to the last active menu menu but setting a field
* to null in a destroyed widget is not harmful.
*/
shell.activeMenu = null;
return null;
}
if ((code & OS.MF_SYSMENU) != 0) return null;
if ((code & OS.MF_HILITE) != 0) {
MenuItem item = null;
Decorations menuShell = menuShell ();
if ((code & OS.MF_POPUP) != 0) {
int index = OS.LOWORD (wParam);
MENUITEMINFO info = new MENUITEMINFO ();
info.cbSize = MENUITEMINFO.sizeof;
info.fMask = OS.MIIM_SUBMENU;
if (OS.GetMenuItemInfo (lParam, index, true, info)) {
Menu newMenu = menuShell.findMenu (info.hSubMenu);
if (newMenu != null) {
item = newMenu.cascade;
activeMenu = newMenu;
activeMenu.selectedMenuItem = newMenu.cascade;
OS.SetTimer (this.handle, Menu.ID_TOOLTIP_TIMER, OS.TTM_GETDELAYTIME, 0);
}
}
} else {
Menu newMenu = menuShell.findMenu (lParam);
if (newMenu != null) {
int id = OS.LOWORD (wParam);
item = display.getMenuItem (id);
}
activeMenu = (newMenu == null) ? menu : newMenu;
if (item != null && activeMenu != null) {
activeMenu.selectedMenuItem = item;
OS.SetTimer (this.handle, Menu.ID_TOOLTIP_TIMER, OS.TTM_GETDELAYTIME, 0);
}
}
if (item != null) item.sendEvent (SWT.Arm);
}
return null;
}
LRESULT WM_MOUSEACTIVATE (long wParam, long lParam) {
return null;
}
LRESULT WM_MOUSEHOVER (long wParam, long lParam) {
return wmMouseHover (handle, wParam, lParam);
}
LRESULT WM_MOUSELEAVE (long wParam, long lParam) {
getShell ().fixToolTip ();
return wmMouseLeave (handle, wParam, lParam);
}
LRESULT WM_MOUSEMOVE (long wParam, long lParam) {
return wmMouseMove (handle, wParam, lParam);
}
LRESULT WM_MOUSEWHEEL (long wParam, long lParam) {
return wmMouseWheel (handle, wParam, lParam);
}
LRESULT WM_MOUSEHWHEEL (long wParam, long lParam) {
return wmMouseHWheel (handle, wParam, lParam);
}
LRESULT WM_MOVE (long wParam, long lParam) {
state |= MOVE_OCCURRED;
if (findImageControl () != null) {
if (this != getShell ()) redrawChildren ();
} else {
if ((state & THEME_BACKGROUND) != 0) {
if (OS.IsAppThemed ()) {
if (OS.IsWindowVisible (handle)) {
if (findThemeControl () != null) redrawChildren ();
}
}
}
}
if ((state & MOVE_DEFERRED) == 0) sendEvent (SWT.Move);
// widget could be disposed at this point
return null;
}
LRESULT WM_NCACTIVATE (long wParam, long lParam) {
return null;
}
LRESULT WM_NCCALCSIZE (long wParam, long lParam) {
return null;
}
LRESULT WM_NCHITTEST (long wParam, long lParam) {
if (!OS.IsWindowEnabled (handle)) return null;
if (!isActive ()) return new LRESULT (OS.HTTRANSPARENT);
return null;
}
LRESULT WM_NCLBUTTONDOWN (long wParam, long lParam) {
return null;
}
LRESULT WM_NCPAINT (long wParam, long lParam) {
return wmNCPaint (handle, wParam, lParam);
}
LRESULT WM_NOTIFY (long wParam, long lParam) {
NMHDR hdr = new NMHDR ();
OS.MoveMemory (hdr, lParam, NMHDR.sizeof);
return wmNotify (hdr, wParam, lParam);
}
LRESULT WM_PAINT (long wParam, long lParam) {
if ((state & DISPOSE_SENT) != 0) return LRESULT.ZERO;
return wmPaint (handle, wParam, lParam);
}
LRESULT WM_PARENTNOTIFY (long wParam, long lParam) {
return null;
}
LRESULT WM_PASTE (long wParam, long lParam) {
return null;
}
LRESULT WM_PRINT (long wParam, long lParam) {
return wmPrint (handle, wParam, lParam);
}
LRESULT WM_PRINTCLIENT (long wParam, long lParam) {
return null;
}
LRESULT WM_QUERYENDSESSION (long wParam, long lParam) {
return null;
}
LRESULT WM_QUERYOPEN (long wParam, long lParam) {
return null;
}
LRESULT WM_RBUTTONDBLCLK (long wParam, long lParam) {
return wmRButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_RBUTTONDOWN (long wParam, long lParam) {
return wmRButtonDown (handle, wParam, lParam);
}
LRESULT WM_RBUTTONUP (long wParam, long lParam) {
return wmRButtonUp (handle, wParam, lParam);
}
LRESULT WM_SETCURSOR (long wParam, long lParam) {
int hitTest = (short) OS.LOWORD (lParam);
if (hitTest == OS.HTCLIENT) {
Control control = display.getControl (wParam);
if (control == null) return null;
Cursor cursor = control.findCursor ();
if (cursor != null) {
OS.SetCursor (cursor.handle);
return LRESULT.ONE;
}
}
return null;
}
LRESULT WM_SETFOCUS (long wParam, long lParam) {
return wmSetFocus (handle, wParam, lParam);
}
LRESULT WM_SETTINGCHANGE (long wParam, long lParam) {
return null;
}
LRESULT WM_SETFONT (long wParam, long lParam) {
return null;
}
LRESULT WM_SETREDRAW (long wParam, long lParam) {
return null;
}
LRESULT WM_SHOWWINDOW (long wParam, long lParam) {
return null;
}
LRESULT WM_SIZE (long wParam, long lParam) {
state |= RESIZE_OCCURRED;
if ((state & RESIZE_DEFERRED) == 0) sendEvent (SWT.Resize);
// widget could be disposed at this point
return null;
}
LRESULT WM_SYSCHAR (long wParam, long lParam) {
return wmSysChar (handle, wParam, lParam);
}
LRESULT WM_SYSCOLORCHANGE (long wParam, long lParam) {
return null;
}
LRESULT WM_SYSCOMMAND (long wParam, long lParam) {
/*
* Check to see if the command is a system command or
* a user menu item that was added to the System menu.
* When a user item is added to the System menu,
* WM_SYSCOMMAND must always return zero.
*
* NOTE: This is undocumented.
*/
if ((wParam & 0xF000) == 0) {
Decorations shell = menuShell ();
if (shell.isEnabled ()) {
MenuItem item = display.getMenuItem (OS.LOWORD (wParam));
if (item != null) item.wmCommandChild (wParam, lParam);
}
return LRESULT.ZERO;
}
/* Process the System Command */
int cmd = (int)wParam & 0xFFF0;
switch (cmd) {
case OS.SC_KEYMENU:
/*
* When lParam is zero, one of F10, Shift+F10, Ctrl+F10 or
* Ctrl+Shift+F10 was pressed. If there is no menu bar and
* the focus control is interested in keystrokes, give the
* key to the focus control. Normally, F10 with no menu bar
* moves focus to the System menu but this can be achieved
* using Alt+Space. To allow the application to see F10,
* avoid running the default window proc.
*
* NOTE: When F10 is pressed, WM_SYSCOMMAND is sent to the
* shell, not the focus control. This is undocumented Windows
* behavior.
*/
if (lParam == 0) {
Decorations shell = menuShell ();
Menu menu = shell.getMenuBar ();
if (menu == null) {
Control control = display._getFocusControl ();
if (control != null) {
if (control.hooks (SWT.KeyDown) || control.hooks (SWT.KeyUp)) {
display.mnemonicKeyHit = false;
return LRESULT.ZERO;
}
}
}
} else {
/*
* When lParam is not zero, Alt+ was pressed. If the
* application is interested in keystrokes and there is a
* menu bar, check to see whether the key that was pressed
* matches a mnemonic on the menu bar. Normally, Windows
* matches the first character of a menu item as well as
* matching the mnemonic character. To allow the application
* to see the keystrokes in this case, avoid running the default
* window proc.
*
* NOTE: When the user types Alt+Space, the System menu is
* activated. In this case the application should not see
* the keystroke.
*/
if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) {
if (lParam != ' ') {
Decorations shell = menuShell ();
Menu menu = shell.getMenuBar ();
if (menu != null) {
char key = (char) lParam;
if (key != 0) {
key = Character.toUpperCase (key);
MenuItem [] items = menu.getItems ();
for (int i=0; i 0 && mnemonic == 0) {
char ch = text.charAt (0);
if (Character.toUpperCase (ch) == key) {
display.mnemonicKeyHit = false;
return LRESULT.ZERO;
}
}
}
}
} else {
display.mnemonicKeyHit = false;
}
}
}
}
// FALL THROUGH
case OS.SC_HSCROLL:
case OS.SC_VSCROLL:
/*
* Do not allow keyboard traversal of the menu bar
* or scrolling when the shell is not enabled.
*/
Decorations shell = menuShell ();
if (!shell.isEnabled () || !shell.isActive ()) {
return LRESULT.ZERO;
}
break;
case OS.SC_MINIMIZE:
/* Save the focus widget when the shell is minimized */
menuShell ().saveFocus ();
break;
}
return null;
}
LRESULT WM_SYSKEYDOWN (long wParam, long lParam) {
return wmSysKeyDown (handle, wParam, lParam);
}
LRESULT WM_SYSKEYUP (long wParam, long lParam) {
return wmSysKeyUp (handle, wParam, lParam);
}
LRESULT WM_TABLET_FLICK (long wParam, long lParam) {
if (!hooks (SWT.Gesture) && !filters (SWT.Gesture)) return null;
Event event = new Event ();
FLICK_DATA fData = new FLICK_DATA ();
long [] source = new long [1];
source[0] = wParam;
OS.MoveMemory (fData, source, OS.FLICK_DATA_sizeof ());
FLICK_POINT fPoint = new FLICK_POINT ();
source [0] = lParam;
OS.MoveMemory (fPoint, source, OS.FLICK_POINT_sizeof ());
switch (fData.iFlickDirection) {
case OS.FLICKDIRECTION_RIGHT:
event.xDirection = 1;
event.yDirection = 0;
break;
case OS.FLICKDIRECTION_UPRIGHT:
event.xDirection = 1;
event.yDirection = -1;
break;
case OS.FLICKDIRECTION_UP:
event.xDirection = 0;
event.yDirection = -1;
break;
case OS.FLICKDIRECTION_UPLEFT:
event.xDirection = -1;
event.yDirection = -1;
break;
case OS.FLICKDIRECTION_LEFT:
event.xDirection = -1;
event.yDirection = 0;
break;
case OS.FLICKDIRECTION_DOWNLEFT:
event.xDirection = -1;
event.yDirection = 1;
break;
case OS.FLICKDIRECTION_DOWN:
event.xDirection = 0;
event.yDirection = 1;
break;
case OS.FLICKDIRECTION_DOWNRIGHT:
event.xDirection = 1;
event.yDirection = 1;
break;
}
event.setLocationInPixels(fPoint.x, fPoint.y);
event.type = SWT.Gesture;
event.detail = SWT.GESTURE_SWIPE;
setInputState (event, SWT.Gesture);
sendEvent (SWT.Gesture, event);
return event.doit ? null : LRESULT.ONE;
}
LRESULT WM_TOUCH (long wParam, long lParam) {
LRESULT result = null;
if (hooks (SWT.Touch) || filters (SWT.Touch)) {
int cInputs = OS.LOWORD (wParam);
long hHeap = OS.GetProcessHeap ();
long pInputs = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, cInputs * TOUCHINPUT.sizeof);
if (pInputs != 0) {
if (OS.GetTouchInputInfo (lParam, cInputs, pInputs, TOUCHINPUT.sizeof)) {
TOUCHINPUT ti [] = new TOUCHINPUT [cInputs];
for (int i = 0; i < cInputs; i++){
ti [i] = new TOUCHINPUT ();
OS.MoveMemory (ti [i], pInputs + i * TOUCHINPUT.sizeof, TOUCHINPUT.sizeof);
}
sendTouchEvent (ti);
OS.CloseTouchInputHandle (lParam);
result = LRESULT.ZERO;
}
OS.HeapFree (hHeap, 0, pInputs);
}
}
return result;
}
LRESULT WM_TIMER (long wParam, long lParam) {
if (wParam == Menu.ID_TOOLTIP_TIMER && activeMenu != null) {
OS.KillTimer (this.handle, Menu.ID_TOOLTIP_TIMER);
activeMenu.wmTimer (wParam, lParam);
}
return null;
}
LRESULT WM_UNDO (long wParam, long lParam) {
return null;
}
LRESULT WM_UPDATEUISTATE (long wParam, long lParam) {
return null;
}
LRESULT WM_VSCROLL (long wParam, long lParam) {
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmScrollChild (wParam, lParam);
}
LRESULT WM_WINDOWPOSCHANGED (long wParam, long lParam) {
try {
display.resizeCount++;
long code = callWindowProc (handle, OS.WM_WINDOWPOSCHANGED, wParam, lParam);
return code == 0 ? LRESULT.ZERO : new LRESULT (code);
} finally {
--display.resizeCount;
}
}
LRESULT WM_WINDOWPOSCHANGING (long wParam, long lParam) {
/*
* Bug in Windows. When WM_SETREDRAW is used to turn off drawing
* for a control and the control is moved or resized, Windows does
* not redraw the area where the control once was in the parent.
* The fix is to detect this case and redraw the area.
*/
if (!getDrawing()) {
Shell shell = getShell ();
if (shell != this) {
WINDOWPOS lpwp = new WINDOWPOS ();
OS.MoveMemory (lpwp, lParam, WINDOWPOS.sizeof);
if ((lpwp.flags & OS.SWP_NOMOVE) == 0 || (lpwp.flags & OS.SWP_NOSIZE) == 0) {
RECT rect = new RECT ();
OS.GetWindowRect (topHandle (), rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
if (width != 0 && height != 0) {
long hwndParent = parent == null ? 0 : parent.handle;
OS.MapWindowPoints (0, hwndParent, rect, 2);
long rgn1 = OS.CreateRectRgn (rect.left, rect.top, rect.right, rect.bottom);
long rgn2 = OS.CreateRectRgn (lpwp.x, lpwp.y, lpwp.x + lpwp.cx, lpwp.y + lpwp.cy);
OS.CombineRgn (rgn1, rgn1, rgn2, OS.RGN_DIFF);
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
OS.RedrawWindow (hwndParent, null, rgn1, flags);
OS.DeleteObject (rgn1);
OS.DeleteObject (rgn2);
}
}
}
}
return null;
}
LRESULT WM_XBUTTONDBLCLK (long wParam, long lParam) {
return wmXButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_XBUTTONDOWN (long wParam, long lParam) {
return wmXButtonDown (handle, wParam, lParam);
}
LRESULT WM_XBUTTONUP (long wParam, long lParam) {
return wmXButtonUp (handle, wParam, lParam);
}
LRESULT wmColorChild (long wParam, long lParam) {
Control control = findBackgroundControl ();
if (control == null) {
if ((state & THEME_BACKGROUND) != 0) {
if (OS.IsAppThemed ()) {
control = findThemeControl ();
if (control != null) {
RECT rect = new RECT ();
OS.GetClientRect (handle, rect);
OS.SetTextColor (wParam, getForegroundPixel ());
OS.SetBkColor (wParam, getBackgroundPixel ());
fillThemeBackground (wParam, control, rect);
OS.SetBkMode (wParam, OS.TRANSPARENT);
return new LRESULT (OS.GetStockObject (OS.NULL_BRUSH));
}
}
}
if (foreground == -1) return null;
}
if (control == null) control = this;
int forePixel = getForegroundPixel ();
int backPixel = control.getBackgroundPixel ();
OS.SetTextColor (wParam, forePixel);
OS.SetBkColor (wParam, backPixel);
if (control.backgroundImage != null) {
RECT rect = new RECT ();
OS.GetClientRect (handle, rect);
long hwnd = control.handle;
long hBitmap = control.backgroundImage.handle;
OS.MapWindowPoints (handle, hwnd, rect, 2);
POINT lpPoint = new POINT ();
OS.GetWindowOrgEx (wParam, lpPoint);
OS.SetBrushOrgEx (wParam, -rect.left - lpPoint.x, -rect.top - lpPoint.y, lpPoint);
long hBrush = findBrush (hBitmap, OS.BS_PATTERN);
if ((state & DRAW_BACKGROUND) != 0) {
long hOldBrush = OS.SelectObject (wParam, hBrush);
OS.MapWindowPoints (hwnd, handle, rect, 2);
OS.PatBlt (wParam, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, OS.PATCOPY);
OS.SelectObject (wParam, hOldBrush);
}
OS.SetBkMode (wParam, OS.TRANSPARENT);
return new LRESULT (hBrush);
}
long hBrush = findBrush (backPixel, OS.BS_SOLID);
if ((state & DRAW_BACKGROUND) != 0) {
RECT rect = new RECT ();
OS.GetClientRect (handle, rect);
long hOldBrush = OS.SelectObject (wParam, hBrush);
OS.PatBlt (wParam, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, OS.PATCOPY);
OS.SelectObject (wParam, hOldBrush);
}
return new LRESULT (hBrush);
}
LRESULT wmCommandChild (long wParam, long lParam) {
return null;
}
LRESULT wmDrawChild (long wParam, long lParam) {
return null;
}
LRESULT wmMeasureChild (long wParam, long lParam) {
return null;
}
LRESULT wmNotify (NMHDR hdr, long wParam, long lParam) {
Control control = display.getControl (hdr.hwndFrom);
if (control == null) return null;
return control.wmNotifyChild (hdr, wParam, lParam);
}
LRESULT wmNotifyChild (NMHDR hdr, long wParam, long lParam) {
return null;
}
LRESULT wmScrollChild (long wParam, long lParam) {
return null;
}
}