int XPointerMotion(int w, int client_data, int call_data, int continue_to_dispatch) {
display.addMouseHoverTimeOut(handle);
/*
* Forward the mouse event to the parent.
* This is necessary so that mouse listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
XMotionEvent xEvent = new XMotionEvent();
OS.memmove(xEvent, call_data, XMotionEvent.sizeof);
int[] argList = {OS.XmNx, 0, OS.XmNy, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
xEvent.window = OS.XtWindow(parent.handle);
xEvent.x += argList[1];
xEvent.y += argList[3];
/*
* This code is intentionally commented.
* Currently, the implementation of the
* mouse move code in the parent interferes
* with tool tips for tool items.
*/
// OS.memmove (callData, xEvent, XButtonEvent.sizeof);
// parent.XPointerMotion (w, client_data, call_data, continue_to_dispatch);
if (!parent.sendMouseEvent(SWT.MouseMove, xEvent)) {
OS.memmove(continue_to_dispatch, new int[1], 4);
return 1;
}
return 0;
}
int XButtonRelease(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = super.XButtonRelease(w, client_data, call_data, continue_to_dispatch);
if (result != 0) return result;
XButtonEvent xEvent = new XButtonEvent();
OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
if (xEvent.button != 1) return result;
if (!dragging) return result;
dragging = false;
int[] argList = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
int border = argList[5];
int width = argList[1] + (border * 2), height = argList[3] + (border * 2);
Event event = new Event();
event.time = xEvent.time;
event.x = lastX;
event.y = lastY;
event.width = width;
event.height = height;
drawBand(lastX, lastY, width, height);
sendEvent(SWT.Selection, event);
if (isDisposed()) return result;
if (event.doit) {
if ((style & SWT.SMOOTH) != 0) {
setBounds(event.x, event.y, width, height);
// widget could be disposed at this point
}
}
return result;
}
void redraw() {
int display = OS.XtDisplay(handle);
if (display == 0) return;
int window = OS.XtWindow(handle);
if (window == 0) return;
OS.XClearArea(display, window, 0, 0, 0, 0, true);
}
int XKeyPress(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = 0;
XKeyEvent xEvent = new XKeyEvent();
OS.memmove(xEvent, call_data, XKeyEvent.sizeof);
int[] keysym = new int[1];
OS.XLookupString(xEvent, null, 0, keysym, null);
keysym[0] &= 0xFFFF;
switch (keysym[0]) {
case OS.XK_space:
click(false, xEvent.state);
result = 1;
break;
case OS.XK_Down:
if ((style & SWT.DROP_DOWN) != 0) {
click(true, xEvent.state);
result = 1;
}
break;
}
/*
* Forward the key event to the parent.
* This is necessary so that key listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
xEvent.window = OS.XtWindow(parent.handle);
// OS.memmove (callData, xEvent, XKeyEvent.sizeof);
parent.XKeyPress(w, client_data, call_data, continue_to_dispatch);
if (result == 1) {
OS.memmove(continue_to_dispatch, new int[1], 4);
}
return result;
}
int XButtonRelease(int w, int client_data, int call_data, int continue_to_dispatch) {
display.hideToolTip();
XButtonEvent xEvent = new XButtonEvent();
OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
/*
* Forward the mouse event to the parent.
* This is necessary so that mouse listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
int[] argList = {OS.XmNx, 0, OS.XmNy, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
xEvent.window = OS.XtWindow(parent.handle);
xEvent.x += argList[1];
xEvent.y += argList[3];
OS.memmove(call_data, xEvent, XButtonEvent.sizeof);
int result = parent.XButtonRelease(w, client_data, call_data, continue_to_dispatch);
xEvent.x -= argList[1];
xEvent.y -= argList[3];
if (result == 0 && xEvent.button == 1) {
int[] argList2 = {OS.XmNwidth, 0, OS.XmNheight, 0};
OS.XtGetValues(handle, argList2, argList2.length / 2);
int width = argList2[1], height = argList2[3];
if (0 <= xEvent.x && xEvent.x < width && 0 <= xEvent.y && xEvent.y < height) {
click(xEvent.x > width - 12, xEvent.state);
}
setDrawPressed(set);
}
return result;
}
Point adjustResizeCursor() {
if (bounds == null) return null;
int newX, newY;
if ((cursorOrientation & SWT.LEFT) != 0) {
newX = bounds.x;
} else if ((cursorOrientation & SWT.RIGHT) != 0) {
newX = bounds.x + bounds.width;
} else {
newX = bounds.x + bounds.width / 2;
}
if ((cursorOrientation & SWT.UP) != 0) {
newY = bounds.y;
} else if ((cursorOrientation & SWT.DOWN) != 0) {
newY = bounds.y + bounds.height;
} else {
newY = bounds.y + bounds.height / 2;
}
final int unused[] = new int[1];
int actualX[] = new int[1];
int actualY[] = new int[1];
int xDisplay = display.xDisplay;
OS.XWarpPointer(xDisplay, 0, window, 0, 0, 0, 0, newX, newY);
/*
* The call to XWarpPointer does not always place the pointer on the
* exact location that is specified, so do a query (below) to get the
* actual location of the pointer after it has been moved.
*/
OS.XQueryPointer(xDisplay, window, unused, unused, actualX, actualY, unused, unused, unused);
return new Point(actualX[0], actualY[0]);
}
void releaseWidget() {
super.releaseWidget();
if (cursor != 0) {
int display = OS.XtDisplay(handle);
if (display != 0) OS.XFreeCursor(display, cursor);
}
cursor = 0;
}
boolean hasCursor() {
int[] unused = new int[1], buffer = new int[1];
int xDisplay = OS.XtDisplay(handle);
int xWindow, xParent = OS.XDefaultRootWindow(xDisplay);
do {
if (OS.XQueryPointer(
xDisplay, xParent, unused, buffer, unused, unused, unused, unused, unused)
== 0) return false;
if ((xWindow = buffer[0]) != 0) xParent = xWindow;
} while (xWindow != 0);
return handle == OS.XtWindowToWidget(xDisplay, xParent);
}
int XPointerMotion(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = super.XPointerMotion(w, client_data, call_data, continue_to_dispatch);
if (result != 0) return result;
XMotionEvent xEvent = new XMotionEvent();
OS.memmove(xEvent, call_data, XMotionEvent.sizeof);
if (!dragging || (xEvent.state & OS.Button1Mask) == 0) return result;
short[] x_root = new short[1], y_root = new short[1];
OS.XtTranslateCoords(handle, (short) 0, (short) 0, x_root, y_root);
int eventX = xEvent.x_root - x_root[0], eventY = xEvent.y_root - y_root[0];
int[] argList1 = {
OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0
};
OS.XtGetValues(handle, argList1, argList1.length / 2);
int border = argList1[9],
x = ((short) argList1[1]) - border,
y = ((short) argList1[3]) - border;
int width = argList1[5] + (border * 2), height = argList1[7] + (border * 2);
int[] argList2 = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
OS.XtGetValues(parent.handle, argList2, argList2.length / 2);
int parentBorder = argList2[5];
int parentWidth = argList2[1] + (parentBorder * 2);
int parentHeight = argList2[3] + (parentBorder * 2);
int newX = lastX, newY = lastY;
if ((style & SWT.VERTICAL) != 0) {
newX = Math.min(Math.max(0, eventX + x - startX - parentBorder), parentWidth - width);
} else {
newY = Math.min(Math.max(0, eventY + y - startY - parentBorder), parentHeight - height);
}
if (newX == lastX && newY == lastY) return result;
drawBand(lastX, lastY, width, height);
Event event = new Event();
event.time = xEvent.time;
event.x = newX;
event.y = newY;
event.width = width;
event.height = height;
if ((style & SWT.SMOOTH) == 0) {
event.detail = SWT.DRAG;
}
sendEvent(SWT.Selection, event);
if (isDisposed()) return result;
if (event.doit) {
lastX = event.x;
lastY = event.y;
}
parent.update(true);
drawBand(lastX, lastY, width, height);
if ((style & SWT.SMOOTH) != 0) {
setBounds(lastX, lastY, width, height);
// widget could be disposed at this point
}
return result;
}
public void setCursor(Cursor cursor) {
checkWidget();
super.setCursor(cursor);
if (cursor == null && this.cursor != 0) {
int xWindow = OS.XtWindow(handle);
if (xWindow == 0) return;
int xDisplay = OS.XtDisplay(handle);
if (xDisplay == 0) return;
OS.XDefineCursor(xDisplay, xWindow, this.cursor);
OS.XFlush(xDisplay);
}
}
void destroy() {
int xDisplay = device.xDisplay;
int pixel = handle.pixel;
if (device.colorRefCount != null) {
/* If this was the last reference, remove the color from the list */
if (--device.colorRefCount[pixel] == 0) {
device.xcolors[pixel] = null;
}
}
int colormap = OS.XDefaultColormap(xDisplay, OS.XDefaultScreen(xDisplay));
OS.XFreeColors(xDisplay, colormap, new int[] {pixel}, 1, 0);
handle = null;
}
void createHandle(int index) {
int parentHandle = parent.handle;
if ((style & SWT.SEPARATOR) != 0) {
int orientation = (parent.style & SWT.HORIZONTAL) != 0 ? OS.XmVERTICAL : OS.XmHORIZONTAL;
int[] argList = {
OS.XmNheight,
orientation == OS.XmVERTICAL ? DEFAULT_HEIGHT : DEFAULT_SEPARATOR_WIDTH,
OS.XmNwidth,
orientation == OS.XmHORIZONTAL ? DEFAULT_WIDTH : DEFAULT_SEPARATOR_WIDTH,
OS.XmNancestorSensitive,
1,
OS.XmNpositionIndex,
index,
OS.XmNorientation,
orientation,
OS.XmNseparatorType,
(parent.style & SWT.FLAT) != 0 ? OS.XmSHADOW_ETCHED_IN : OS.XmSHADOW_ETCHED_OUT,
};
handle = OS.XmCreateSeparator(parentHandle, null, argList, argList.length / 2);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
return;
}
int[] argList = {
OS.XmNwidth,
DEFAULT_WIDTH,
OS.XmNheight,
DEFAULT_HEIGHT,
OS.XmNrecomputeSize,
0,
OS.XmNhighlightThickness,
(parent.style & SWT.NO_FOCUS) != 0 ? 0 : 1,
OS.XmNmarginWidth,
2,
OS.XmNmarginHeight,
1,
OS.XmNtraversalOn,
(parent.style & SWT.NO_FOCUS) != 0 ? 0 : 1,
OS.XmNpositionIndex,
index,
OS.XmNshadowType,
OS.XmSHADOW_OUT,
OS.XmNancestorSensitive,
1,
};
handle = OS.XmCreateDrawnButton(parentHandle, null, argList, argList.length / 2);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
setBackgroundPixel(parent.getBackgroundPixel());
}
void redrawWidget(
int x, int y, int width, int height, boolean redrawAll, boolean allChildren, boolean trim) {
super.redrawWidget(x, y, width, height, redrawAll, allChildren, trim);
if (!trim) return;
if (formHandle == 0 && scrolledHandle == 0) return;
short[] root_x = new short[1], root_y = new short[1];
OS.XtTranslateCoords(handle, (short) x, (short) y, root_x, root_y);
if (formHandle != 0) {
short[] form_x = new short[1], form_y = new short[1];
OS.XtTranslateCoords(formHandle, (short) 0, (short) 0, form_x, form_y);
redrawHandle(
root_x[0] - form_x[0], root_y[0] - form_y[0], width, height, redrawAll, formHandle);
}
if (scrolledHandle != 0) {
short[] scrolled_x = new short[1], scrolled_y = new short[1];
OS.XtTranslateCoords(scrolledHandle, (short) 0, (short) 0, scrolled_x, scrolled_y);
redrawHandle(
root_x[0] - scrolled_x[0],
root_y[0] - scrolled_y[0],
width,
height,
redrawAll,
scrolledHandle);
if (horizontalBar != null && horizontalBar.getVisible()) {
int horizontalHandle = horizontalBar.handle;
short[] hscroll_x = new short[1], hscroll_y = new short[1];
OS.XtTranslateCoords(horizontalHandle, (short) 0, (short) 0, hscroll_x, hscroll_y);
redrawHandle(
root_x[0] - hscroll_x[0],
root_y[0] - hscroll_y[0],
width,
height,
redrawAll,
horizontalHandle);
}
if (verticalBar != null && verticalBar.getVisible()) {
int verticalHandle = verticalBar.handle;
short[] vscroll_x = new short[1], vscroll_y = new short[1];
OS.XtTranslateCoords(verticalHandle, (short) 0, (short) 0, vscroll_x, vscroll_y);
redrawHandle(
root_x[0] - vscroll_x[0],
root_y[0] - vscroll_y[0],
width,
height,
redrawAll,
verticalHandle);
}
}
}
int XFocusChange(int w, int client_data, int call_data, int continue_to_dispatch) {
/*
* Forward the focus event to the parent.
* This is necessary so that focus listeners
* in the parent will be called, despite the
* fact that the event did not really occur
* in X in the parent. This is done to be
* compatible with Windows.
*/
XFocusChangeEvent xEvent = new XFocusChangeEvent();
OS.memmove(xEvent, call_data, XFocusChangeEvent.sizeof);
xEvent.window = OS.XtWindow(parent.handle);
// OS.memmove (call_data, xEvent, XFocusChangeEvent.sizeof);
parent.XFocusChange(w, client_data, call_data, continue_to_dispatch);
return 0;
}
boolean setScrollBarVisible(ScrollBar bar, boolean visible) {
if (scrolledHandle == 0) return false;
int barHandle = bar.handle;
boolean managed = OS.XtIsManaged(barHandle);
if (managed == visible) return false;
/*
* Feature in Motif. Hiding or showing a scroll bar
* can cause the widget to automatically resize in
* the OS. This behavior is unwanted. The fix is
* to force the widget to resize to original size.
*/
int[] argList = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
OS.XtGetValues(scrolledHandle, argList, argList.length / 2);
int[] argList1 = {OS.XmNwidth, 0, OS.XmNheight, 0};
OS.XtGetValues(handle, argList1, argList1.length / 2);
/* Hide or show the scroll bar */
if (visible) {
OS.XtManageChild(barHandle);
} else {
OS.XtUnmanageChild(barHandle);
}
if ((state & CANVAS) != 0) {
if (formHandle != 0) {
boolean showBorder = (style & SWT.BORDER) != 0;
int margin = showBorder || visible ? 3 : 0;
if ((bar.style & SWT.V_SCROLL) != 0) {
int[] argList2 = new int[] {OS.XmNmarginWidth, margin};
OS.XtSetValues(formHandle, argList2, argList2.length / 2);
}
if ((bar.style & SWT.H_SCROLL) != 0) {
int[] argList2 = new int[] {OS.XmNmarginHeight, margin};
OS.XtSetValues(formHandle, argList2, argList2.length / 2);
}
}
}
/*
* Feature in Motif. When XtSetValues() is used to restore the width and
* height of the widget, the new width and height are sometimes ignored.
* The fix is to use XtResizeWidget().
*/
OS.XtResizeWidget(scrolledHandle, argList[1], argList[3], argList[5]);
bar.sendEvent(visible ? SWT.Show : SWT.Hide);
int[] argList3 = {OS.XmNwidth, 0, OS.XmNheight, 0};
OS.XtGetValues(handle, argList3, argList3.length / 2);
return argList1[1] != argList3[1] || argList1[3] != argList3[3];
}
void setBounds(int x, int y, int width, int height) {
/*
* Feature in Motif. Motif will not allow a window
* to have a zero width or zero height. The fix is
* to ensure these values are never zero.
*/
int newWidth = Math.max(width, 1), newHeight = Math.max(height, 1);
OS.XtConfigureWidget(handle, x, y, newWidth, newHeight, 0);
}
int xFocusIn(XFocusChangeEvent xEvent) {
int result = super.xFocusIn(xEvent);
if (handle == 0) return result;
int[] argList = {OS.XmNx, 0, OS.XmNy, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
lastX = argList[1];
lastY = argList[3];
return result;
}
void hookEvents() {
super.hookEvents();
if ((style & SWT.SEPARATOR) != 0) return;
int windowProc = display.windowProc;
OS.XtAddEventHandler(handle, OS.KeyPressMask, false, windowProc, KEY_PRESS);
OS.XtAddEventHandler(handle, OS.KeyReleaseMask, false, windowProc, KEY_RELEASE);
OS.XtAddEventHandler(handle, OS.ButtonPressMask, false, windowProc, BUTTON_PRESS);
OS.XtAddEventHandler(handle, OS.ButtonReleaseMask, false, windowProc, BUTTON_RELEASE);
OS.XtAddEventHandler(handle, OS.PointerMotionMask, false, windowProc, POINTER_MOTION);
OS.XtAddEventHandler(handle, OS.EnterWindowMask, false, windowProc, ENTER_WINDOW);
OS.XtAddEventHandler(handle, OS.LeaveWindowMask, false, windowProc, LEAVE_WINDOW);
OS.XtAddCallback(handle, OS.XmNexposeCallback, windowProc, EXPOSURE_CALLBACK);
OS.XtInsertEventHandler(
handle, OS.FocusChangeMask, false, windowProc, FOCUS_CHANGE, OS.XtListTail);
}
int XEnterWindow(int w, int client_data, int call_data, int continue_to_dispatch) {
XCrossingEvent xEvent = new XCrossingEvent();
OS.memmove(xEvent, call_data, XCrossingEvent.sizeof);
if ((xEvent.state & OS.Button1Mask) != 0) {
setDrawPressed(!set);
} else {
if ((parent.style & SWT.FLAT) != 0) redraw();
}
return 0;
}
Point adjustMoveCursor() {
if (bounds == null) return null;
final int unused[] = new int[1];
int actualX[] = new int[1];
int actualY[] = new int[1];
int newX = bounds.x + bounds.width / 2;
int newY = bounds.y;
int xDisplay = display.xDisplay;
OS.XWarpPointer(xDisplay, OS.None, window, 0, 0, 0, 0, newX, newY);
/*
* The call to XWarpPointer does not always place the pointer on the
* exact location that is specified, so do a query (below) to get the
* actual location of the pointer after it has been moved.
*/
OS.XQueryPointer(xDisplay, window, unused, unused, actualX, actualY, unused, unused, unused);
return new Point(actualX[0], actualY[0]);
}
int XPointerMotion(int w, int client_data, int call_data, int continue_to_dispatch) {
if (cursor != null) {
int xDisplay = display.xDisplay;
OS.XChangeActivePointerGrab(
xDisplay,
OS.ButtonPressMask | OS.ButtonReleaseMask | OS.PointerMotionMask,
cursor.handle,
OS.CurrentTime);
}
return xMouse(OS.MotionNotify, w, client_data, call_data, continue_to_dispatch);
}
int XLeaveWindow(int w, int client_data, int call_data, int continue_to_dispatch) {
display.removeMouseHoverTimeOut();
display.hideToolTip();
XCrossingEvent xEvent = new XCrossingEvent();
OS.memmove(xEvent, call_data, XCrossingEvent.sizeof);
if ((xEvent.state & OS.Button1Mask) != 0) {
setDrawPressed(set);
} else {
if ((parent.style & SWT.FLAT) != 0) redraw();
}
return 0;
}
void createWidget(int index) {
super.createWidget(index);
int topHandle = topHandle();
if (OS.XtIsRealized(topHandle)) {
/*
* Make sure that the widget has been properly realized
* because the widget was created after the parent
* has been realized.
*/
realizeChildren();
}
}
int XButtonPress(int w, int client_data, int call_data, int continue_to_dispatch) {
int result = super.XButtonPress(w, client_data, call_data, continue_to_dispatch);
if (result != 0) return result;
XButtonEvent xEvent = new XButtonEvent();
OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
if (xEvent.button != 1) return result;
short[] x_root = new short[1], y_root = new short[1];
OS.XtTranslateCoords(handle, (short) 0, (short) 0, x_root, y_root);
startX = xEvent.x_root - x_root[0];
startY = xEvent.y_root - y_root[0];
int[] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
int border = argList[9], width = argList[5] + (border * 2), height = argList[7] + (border * 2);
lastX = ((short) argList[1]) - border;
lastY = ((short) argList[3]) - border;
Event event = new Event();
event.time = xEvent.time;
event.x = lastX;
event.y = lastY;
event.width = width;
event.height = height;
if ((style & SWT.SMOOTH) == 0) {
event.detail = SWT.DRAG;
}
sendEvent(SWT.Selection, event);
if (isDisposed()) return result;
if (event.doit) {
dragging = true;
lastX = event.x;
lastY = event.y;
parent.update(true);
drawBand(event.x, event.y, width, height);
if ((style & SWT.SMOOTH) != 0) {
setBounds(event.x, event.y, width, height);
// widget could be disposed at this point
}
}
return result;
}
void manageChildren() {
if (scrolledHandle != 0) {
OS.XtSetMappedWhenManaged(scrolledHandle, false);
OS.XtManageChild(scrolledHandle);
}
if (formHandle != 0) {
OS.XtSetMappedWhenManaged(formHandle, false);
OS.XtManageChild(formHandle);
}
super.manageChildren();
if (formHandle != 0) {
int[] argList = {OS.XmNborderWidth, 0};
OS.XtGetValues(formHandle, argList, argList.length / 2);
OS.XtResizeWidget(formHandle, 1, 1, argList[1]);
OS.XtSetMappedWhenManaged(formHandle, true);
}
if (scrolledHandle != 0) {
int[] argList = {OS.XmNborderWidth, 0};
OS.XtGetValues(scrolledHandle, argList, argList.length / 2);
OS.XtResizeWidget(scrolledHandle, 1, 1, argList[1]);
OS.XtSetMappedWhenManaged(scrolledHandle, true);
}
}
ScrollBar createStandardBar(int style) {
if (scrolledHandle == 0) return null;
ScrollBar bar = new ScrollBar();
bar.parent = this;
bar.style = style;
bar.display = display;
int[] argList = {OS.XmNhorizontalScrollBar, 0, OS.XmNverticalScrollBar, 0};
OS.XtGetValues(scrolledHandle, argList, argList.length / 2);
if (style == SWT.H_SCROLL) bar.handle = argList[1];
if (style == SWT.V_SCROLL) bar.handle = argList[3];
bar.hookEvents();
bar.register();
return bar;
}
void createHandle(int index) {
state |= THEME_BACKGROUND;
int border = (style & SWT.BORDER) != 0 ? 1 : 0;
int[] argList = {
OS.XmNborderWidth, border,
OS.XmNmarginWidth, 0,
OS.XmNmarginHeight, 0,
OS.XmNresizePolicy, OS.XmRESIZE_NONE,
OS.XmNancestorSensitive, 1,
OS.XmNtraversalOn, 0,
};
int parentHandle = parent.handle;
handle = OS.XmCreateDrawingArea(parentHandle, null, argList, argList.length / 2);
}
/**
* Sets the control that is used to fill the bounds of the item when the item is a <code>SEPARATOR
* </code>.
*
* @param control the new control
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the control has been disposed
* <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setControl(Control control) {
checkWidget();
if (control != null) {
if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (control.parent != parent) error(SWT.ERROR_INVALID_PARENT);
}
if ((style & SWT.SEPARATOR) == 0) return;
if (this.control == control) return;
this.control = control;
int[] argList = {
OS.XmNseparatorType,
control == null
? ((parent.style & SWT.FLAT) != 0 ? OS.XmSHADOW_ETCHED_IN : OS.XmSHADOW_ETCHED_OUT)
: OS.XmNO_LINE,
};
OS.XtSetValues(handle, argList, argList.length / 2);
if (control != null && !control.isDisposed()) {
/*
* It is possible that the control was created with a
* z-order below that of the current tool item. In this
* case, the control is not visible because it is
* obscured by the tool item. The fix is to move the
* control above this tool item in the z-order.
* The code below is similar to the code found in
* setZOrder.
*/
int xDisplay = OS.XtDisplay(handle);
if (xDisplay == 0) return;
if (!OS.XtIsRealized(handle)) {
Shell shell = parent.getShell();
shell.realizeWidget();
}
int topHandle1 = control.topHandle();
int window1 = OS.XtWindow(topHandle1);
if (window1 == 0) return;
int topHandle2 = this.topHandle();
int window2 = OS.XtWindow(topHandle2);
if (window2 == 0) return;
XWindowChanges struct = new XWindowChanges();
struct.sibling = window2;
struct.stack_mode = OS.Above;
int screen = OS.XDefaultScreen(xDisplay);
int flags = OS.CWStackMode | OS.CWSibling;
OS.XReconfigureWMWindow(xDisplay, window1, screen, flags, struct);
}
parent.relayout();
}
void click(boolean dropDown, int state) {
if ((style & SWT.RADIO) != 0) {
selectRadio();
} else {
if ((style & SWT.CHECK) != 0) setSelection(!set);
}
Event event = new Event();
if ((style & SWT.DROP_DOWN) != 0) {
if (dropDown) {
event.detail = SWT.ARROW;
int[] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNheight, 0};
OS.XtGetValues(handle, argList, argList.length / 2);
event.x = (short) argList[1];
event.y = (short) argList[3] + (short) argList[5];
}
}
if (state != 0) setInputState(event, state);
postEvent(SWT.Selection, event);
}
void realizeChildren() {
super.realizeChildren();
int xWindow = OS.XtWindow(handle);
if (xWindow == 0) return;
int xDisplay = OS.XtDisplay(handle);
if (xDisplay == 0) return;
if ((style & SWT.HORIZONTAL) != 0) {
cursor = OS.XCreateFontCursor(xDisplay, OS.XC_sb_v_double_arrow);
} else {
cursor = OS.XCreateFontCursor(xDisplay, OS.XC_sb_h_double_arrow);
}
if (super.cursor == null && isEnabled()) {
OS.XDefineCursor(xDisplay, xWindow, cursor);
OS.XFlush(xDisplay);
}
}