private void updateBgColor() {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
control.setBackground(bgColors[bgIndex]);
}
}
private void updateBgImage() {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
control.setBackgroundImage(showBgImage ? BG_PATTERN_IMAGE : null);
}
}
private void updateFgColor() {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
control.setForeground(fgColors[fgIndex]);
}
}
void computeSize(Control control, int wHint, int hHint, boolean flushCache) {
if (cacheWidth != -1 && cacheHeight != -1) return;
if (wHint == this.widthHint && hHint == this.heightHint) {
if (defaultWidth == -1
|| defaultHeight == -1
|| wHint != defaultWhint
|| hHint != defaultHhint) {
Point size = control.computeSize(wHint, hHint, flushCache);
defaultWhint = wHint;
defaultHhint = hHint;
defaultWidth = size.x;
defaultHeight = size.y;
}
cacheWidth = defaultWidth;
cacheHeight = defaultHeight;
return;
}
if (currentWidth == -1
|| currentHeight == -1
|| wHint != currentWhint
|| hHint != currentHhint) {
Point size = control.computeSize(wHint, hHint, flushCache);
currentWhint = wHint;
currentHhint = hHint;
currentWidth = size.x;
currentHeight = size.y;
}
cacheWidth = currentWidth;
cacheHeight = currentHeight;
}
private void updateVisible() {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
control.setVisible(visible);
}
}
public static CellEditor createPropertyEditor(
final IServiceLocator serviceLocator,
Composite parent,
DBPPropertySource source,
DBPPropertyDescriptor property) {
if (source == null) {
return null;
}
final Object object = source.getEditableValue();
if (!property.isEditable(object)) {
return null;
}
CellEditor cellEditor = UIUtils.createCellEditor(parent, object, property);
if (cellEditor != null) {
final Control editorControl = cellEditor.getControl();
UIUtils.addFocusTracker(serviceLocator, UIUtils.INLINE_WIDGET_EDITOR_ID, editorControl);
editorControl.addDisposeListener(
new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
UIUtils.removeFocusTracker(serviceLocator, editorControl);
}
});
}
return cellEditor;
}
/**
* 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 (control == null) {
int property = OS.Control_BackgroundProperty();
OS.DependencyObject_ClearValue(handle, property);
OS.GCHandle_Free(property);
Control oldControl = this.control;
if (oldControl != null && !oldControl.isDisposed()) OS.Panel_SetZIndex(oldControl.handle, 0);
} else {
int brush = OS.Brushes_Transparent();
OS.Control_Background(handle, brush);
OS.GCHandle_Free(brush);
int pt = OS.gcnew_Point(0, 0);
if (pt == 0) error(SWT.ERROR_NO_HANDLES);
int loc = OS.UIElement_TranslatePoint(handle, pt, parent.parentingHandle);
OS.GCHandle_Free(pt);
OS.Canvas_SetLeft(control.handle, OS.Point_X(loc));
OS.Canvas_SetTop(control.handle, OS.Point_Y(loc));
OS.Panel_SetZIndex(control.handle, parent.childCount);
OS.GCHandle_Free(loc);
}
this.control = control;
}
void destroyItem(TabItem item) {
int index = 0;
int itemCount = getItemCount();
while (index < itemCount) {
if (items[index] == item) break;
index++;
}
if (index == itemCount) error(SWT.ERROR_ITEM_NOT_REMOVED);
int oldIndex = OS.gtk_notebook_get_current_page(handle);
OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
OS.gtk_notebook_remove_page(handle, index);
OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
System.arraycopy(items, index + 1, items, index, --itemCount - index);
items[itemCount] = null;
if (index == oldIndex) {
int newIndex = OS.gtk_notebook_get_current_page(handle);
if (newIndex != -1) {
Control control = items[newIndex].getControl();
if (control != null && !control.isDisposed()) {
control.setBounds(getClientArea());
control.setVisible(true);
}
Event event = new Event();
event.item = items[newIndex];
sendSelectionEvent(SWT.Selection, event, true);
// the widget could be destroyed at this point
}
}
}
void drawRectangles(Rectangle[] rects, boolean stippled) {
int xDisplay = display.xDisplay;
int color = OS.XWhitePixel(xDisplay, 0);
int xWindow = OS.XDefaultRootWindow(xDisplay);
if (parent != null) {
xWindow = OS.XtWindow(parent.handle);
if (xWindow == 0) return;
int foreground = parent.getForegroundPixel();
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
int background = control.getBackgroundPixel();
color = foreground ^ background;
}
int gc = OS.XCreateGC(xDisplay, xWindow, 0, null);
OS.XSetForeground(xDisplay, gc, color);
OS.XSetSubwindowMode(xDisplay, gc, OS.IncludeInferiors);
OS.XSetFunction(xDisplay, gc, OS.GXxor);
int stipplePixmap = 0;
if (stippled) {
byte[] bits = {-86, 0, 85, 0, -86, 0, 85, 0, -86, 0, 85, 0, -86, 0, 85, 0};
stipplePixmap = OS.XCreateBitmapFromData(xDisplay, xWindow, bits, 8, 8);
OS.XSetStipple(xDisplay, gc, stipplePixmap);
OS.XSetFillStyle(xDisplay, gc, OS.FillStippled);
OS.XSetLineAttributes(xDisplay, gc, 3, OS.LineSolid, OS.CapButt, OS.JoinMiter);
}
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
OS.XDrawRectangle(xDisplay, xWindow, gc, rect.x, rect.y, rect.width, rect.height);
}
if (stippled) {
OS.XFreePixmap(xDisplay, stipplePixmap);
}
OS.XFreeGC(xDisplay, gc);
}
private void updateEnabled() {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
control.setEnabled(enabled);
}
}
Point minimumSize(int wHint, int hHint, boolean flushCache) {
Control[] children = _getChildren();
int width = 0, height = 0;
for (int i = 0; i < children.length; i++) {
Control child = children[i];
int index = 0;
int count = 0;
long /*int*/ list = OS.gtk_container_get_children(handle);
if (list != 0) {
count = OS.g_list_length(list);
OS.g_list_free(list);
}
while (index < count) {
if (items[index].control == child) break;
index++;
}
if (index == count) {
Rectangle rect = child.getBounds();
width = Math.max(width, rect.x + rect.width);
height = Math.max(height, rect.y + rect.height);
} else {
Point size = child.computeSize(wHint, hHint, flushCache);
width = Math.max(width, size.x);
height = Math.max(height, size.y);
}
}
return new Point(width, height);
}
public static boolean isParent(Control parent, Control child) {
for (Control c = child; c != null; c = c.getParent()) {
if (c == parent) {
return true;
}
}
return false;
}
protected void layout(Composite composite, boolean flushCache) {
CTabFolder folder = (CTabFolder) composite;
// resize content
if (folder.selectedIndex != -1) {
Control control = folder.items[folder.selectedIndex].getControl();
if (control != null && !control.isDisposed()) {
control.setBounds(folder.getClientArea());
}
}
}
public static void enableWithChildren(Composite composite, boolean enable) {
composite.setEnabled(enable);
for (Control child : composite.getChildren()) {
if (child instanceof Composite) {
enableWithChildren((Composite) child, enable);
} else {
child.setEnabled(enable);
}
}
}
private void onDispose() {
if (control == null) return;
this.Release();
if (controlListener != null) {
control.removeListener(SWT.Dispose, controlListener);
control.removeListener(SWT.DragDetect, controlListener);
}
controlListener = null;
control.setData(DND.DRAG_SOURCE_KEY, null);
control = null;
transferAgents = null;
}
private void updateFont() {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
control.setFont(font);
}
// Force layout
if (controls.size() > 0) {
Composite parent = ((Control) controls.get(0)).getParent();
parent.layout(true, true);
}
}
/**
* Determine whether this control or any of it's child has focus
*
* @param control control to check
* @return true if it has focus
*/
public static boolean hasFocus(Control control) {
Control focusControl = control.getDisplay().getFocusControl();
if (focusControl == null) {
return false;
}
for (Control fc = focusControl; fc != null; fc = fc.getParent()) {
if (fc == control) {
return true;
}
}
return false;
}
/**
* Sets the control that is shown when the item is expanded.
*
* @param control the new control (or null)
* @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 (this.control == control) return;
this.control = control;
if (control != null) {
control.setVisible(expanded);
}
parent.layoutItems(0, true);
}
int setBounds(int x, int y, int width, int height, boolean move, boolean resize) {
int result = super.setBounds(x, y, width, height, move, resize);
if ((result & RESIZED) != 0) {
int index = getSelectionIndex();
if (index != -1) {
TabItem item = items[index];
Control control = item.control;
if (control != null && !control.isDisposed()) {
control.setBounds(getClientArea());
}
}
}
return result;
}
private void updateRoundedBorder(
final int width,
final Color color,
final int topLeft,
final int topRight,
final int bottomRight,
final int bottomLeft) {
Iterator iter = controls.iterator();
while (iter.hasNext()) {
Control control = (Control) iter.next();
Object adapter = control.getAdapter(IWidgetGraphicsAdapter.class);
IWidgetGraphicsAdapter gfxAdapter = (IWidgetGraphicsAdapter) adapter;
gfxAdapter.setRoundedBorder(width, color, topLeft, topRight, bottomRight, bottomLeft);
}
}
void enableWidget(boolean enabled) {
if (OS.COMCTL32_MAJOR >= 6) {
LITEM item = new LITEM();
item.mask = OS.LIF_ITEMINDEX | OS.LIF_STATE;
item.stateMask = OS.LIS_ENABLED;
item.state = enabled ? OS.LIS_ENABLED : 0;
while (OS.SendMessage(handle, OS.LM_SETITEM, 0, item) != 0) {
item.iLink++;
}
} else {
TextStyle linkStyle = new TextStyle(null, enabled ? linkColor : disabledColor, null);
linkStyle.underline = true;
for (int i = 0; i < offsets.length; i++) {
Point point = offsets[i];
layout.setStyle(linkStyle, point.x, point.y);
}
redraw();
}
/*
* Feature in Windows. For some reason, setting
* LIS_ENABLED state using LM_SETITEM causes the
* SysLink to become enabled. To be specific,
* calling IsWindowEnabled() returns true. The
* fix is disable the SysLink after LM_SETITEM.
*/
super.enableWidget(enabled);
}
@Override
void createWidget(int index) {
super.createWidget(index);
layout.setFont(getFont());
text = "";
initAccessible();
}
void releaseHandle() {
super.releaseHandle();
if (textHandle != 0) OS.GCHandle_Free(textHandle);
textHandle = 0;
if (imageHandle != 0) OS.GCHandle_Free(imageHandle);
imageHandle = 0;
}
/**
* 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 releaseWidget() {
super.releaseWidget();
if (cursor != 0) {
int display = OS.XtDisplay(handle);
if (display != 0) OS.XFreeCursor(display, cursor);
}
cursor = 0;
}
void setSelection(int index, boolean notify) {
if (index < 0) return;
int oldIndex = OS.gtk_notebook_get_current_page(handle);
if (oldIndex == index) return;
if (oldIndex != -1) {
TabItem item = items[oldIndex];
Control control = item.control;
if (control != null && !control.isDisposed()) {
control.setVisible(false);
}
}
OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
OS.gtk_notebook_set_current_page(handle, index);
OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
int newIndex = OS.gtk_notebook_get_current_page(handle);
if (newIndex != -1) {
TabItem item = items[newIndex];
Control control = item.control;
if (control != null && !control.isDisposed()) {
control.setBounds(getClientArea());
control.setVisible(true);
}
if (notify) {
Event event = new Event();
event.item = item;
sendSelectionEvent(SWT.Selection, event, true);
}
}
}
/**
* Creates a new <code>DragSource</code> to handle dragging from the specified <code>Control
* </code>. Creating an instance of a DragSource may cause system resources to be allocated
* depending on the platform. It is therefore mandatory that the DragSource instance be disposed
* when no longer required.
*
* @param control the <code>Control</code> that the user clicks on to initiate the drag
* @param style the bitwise OR'ing of allowed operations; this may be a combination of any of
* DND.DROP_NONE, DND.DROP_COPY, DND.DROP_MOVE, DND.DROP_LINK
* @exception SWTException
* <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
* </ul>
*
* @exception SWTError
* <ul>
* <li>ERROR_CANNOT_INIT_DRAG - unable to initiate drag source; this will occur if more than
* one drag source is created for a control or if the operating system will not allow
* the creation of the drag source
* </ul>
* <p>NOTE: ERROR_CANNOT_INIT_DRAG should be an SWTException, since it is a recoverable error,
* but can not be changed due to backward compatibility.
* @see Widget#dispose
* @see DragSource#checkSubclass
* @see DND#DROP_NONE
* @see DND#DROP_COPY
* @see DND#DROP_MOVE
* @see DND#DROP_LINK
*/
public DragSource(Control control, int style) {
super(control, checkStyle(style));
this.control = control;
if (control.getData(DND.DRAG_SOURCE_KEY) != null) {
DND.error(DND.ERROR_CANNOT_INIT_DRAG);
}
control.setData(DND.DRAG_SOURCE_KEY, this);
createCOMInterfaces();
this.AddRef();
controlListener =
new Listener() {
public void handleEvent(Event event) {
if (event.type == SWT.Dispose) {
if (!DragSource.this.isDisposed()) {
DragSource.this.dispose();
}
}
if (event.type == SWT.DragDetect) {
if (!DragSource.this.isDisposed()) {
DragSource.this.drag(event);
}
}
}
};
control.addListener(SWT.Dispose, controlListener);
control.addListener(SWT.DragDetect, controlListener);
this.addListener(
SWT.Dispose,
new Listener() {
public void handleEvent(Event e) {
DragSource.this.onDispose();
}
});
Object effect = control.getData(DEFAULT_DRAG_SOURCE_EFFECT);
if (effect instanceof DragSourceEffect) {
dragEffect = (DragSourceEffect) effect;
} else if (control instanceof Tree) {
dragEffect = new TreeDragSourceEffect((Tree) control);
} else if (control instanceof Table) {
dragEffect = new TableDragSourceEffect((Table) control);
}
}
/**
* Sets the control that is used to fill the client area of the tab folder when the user selects
* the tab item.
*
* <p>
*
* @param control the new control (or null)
* @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 (this.control != null && this.control.isDisposed()) {
this.control = null;
}
Control oldControl = this.control;
Control newControl = control;
this.control = control;
int index = parent.indexOf(this);
if (index != parent.getSelectionIndex()) {
if (newControl != null) {
newControl.setVisible(false);
}
} else {
if (newControl != null) {
newControl.setBounds(parent.getClientArea());
newControl.setVisible(true);
}
if (oldControl != null) {
oldControl.setVisible(false);
}
}
}
void resizeControl() {
if (control != null && !control.isDisposed()) {
/*
* Set the size and location of the control
* separately to minimize flashing in the
* case where the control does not resize
* to the size that was requested. This
* case can occur when the control is a
* combo box.
*/
Rectangle itemRect = getBounds();
control.setSize(itemRect.width, itemRect.height);
Rectangle rect = control.getBounds();
rect.x = itemRect.x + (itemRect.width - rect.width) / 2;
rect.y = itemRect.y + (itemRect.height - rect.height) / 2;
control.setLocation(rect.x, rect.y);
}
}
void propagateWidget(boolean enabled) {
super.propagateWidget(enabled);
if (formHandle != 0) propagateHandle(enabled, formHandle, OS.None);
if (scrolledHandle != 0) {
propagateHandle(enabled, scrolledHandle, OS.None);
if (horizontalBar != null) horizontalBar.propagateWidget(enabled);
if (verticalBar != null) verticalBar.propagateWidget(enabled);
}
}