long /*int*/ menuItemSelected(long /*int*/ widget, ToolItem item) {
Event event = new Event();
switch (item.style) {
case SWT.DROP_DOWN:
/*
* Feature in GTK. The DROP_DOWN item does not
* contain arrow button in the overflow menu. So, it
* is impossible to select the menu of that item.
* The fix is to consider the item selection
* as Arrow click, in order to popup the drop-down.
*/
event.detail = SWT.ARROW;
GtkAllocation allocation = new GtkAllocation();
OS.gtk_widget_get_allocation(widget, allocation);
event.x = allocation.x;
if ((style & SWT.MIRRORED) != 0) event.x = getClientWidth() - allocation.width - event.x;
event.y = allocation.y + allocation.height;
break;
case SWT.RADIO:
if ((style & SWT.NO_RADIO_GROUP) == 0) item.selectRadio();
break;
case SWT.CHECK:
boolean currentSelection = item.getSelection();
item.setSelection(!currentSelection);
}
item.sendSelectionEvent(SWT.Selection, event, false);
return 0;
}
void relayout() {
ToolItem[] items = getItems();
boolean hasText = false, hasImage = false;
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item != null) {
item.resizeControl();
hasText |= item.text != null && item.text.length() > 0;
hasImage |= item.image != null;
}
}
int type = OS.GTK_TOOLBAR_ICONS;
if (hasText && hasImage) {
if ((style & SWT.RIGHT) != 0) {
type = OS.GTK_TOOLBAR_BOTH_HORIZ;
} else {
type = OS.GTK_TOOLBAR_BOTH;
}
} else if (hasText) {
type = OS.GTK_TOOLBAR_TEXT;
} else if (hasImage) {
type = OS.GTK_TOOLBAR_ICONS;
}
OS.gtk_toolbar_set_style(handle, type);
}
static long /*int*/ MenuItemSelectedProc(long /*int*/ widget, long /*int*/ user_data) {
Display display = Display.getCurrent();
ToolItem item = (ToolItem) display.getWidget(user_data);
if (item != null) {
return item.getParent().menuItemSelected(widget, item);
}
return 0;
}
@Override
void removeControl(Control control) {
super.removeControl(control);
ToolItem[] items = getItems();
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item.control == control) item.setControl(null);
}
}
@Override
void reskinChildren(int flags) {
ToolItem[] items = _getItems();
if (items != null) {
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item != null) item.reskin(flags);
}
}
super.reskinChildren(flags);
}
@Override
void releaseChildren(boolean destroy) {
ToolItem[] items = getItems();
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item != null && !item.isDisposed()) {
item.release(false);
}
}
super.releaseChildren(destroy);
}
boolean isTabGroup() {
ToolItem[] tabList = parent._getTabItemList();
if (tabList != null) {
for (int i = 0; i < tabList.length; i++) {
if (tabList[i] == this) return true;
}
}
if ((style & SWT.SEPARATOR) != 0) return true;
int index = parent.indexOf(this);
if (index == 0) return true;
ToolItem previous = parent.getItem(index - 1);
return (previous.getStyle() & SWT.SEPARATOR) != 0;
}
/*public*/ void setTabItemList(ToolItem[] tabList) {
checkWidget();
if (tabList != null) {
for (int i = 0; i < tabList.length; i++) {
ToolItem item = tabList[i];
if (item == null) error(SWT.ERROR_INVALID_ARGUMENT);
if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (item.parent != this) error(SWT.ERROR_INVALID_PARENT);
}
ToolItem[] newList = new ToolItem[tabList.length];
System.arraycopy(tabList, 0, newList, 0, tabList.length);
tabList = newList;
}
this.tabItemList = tabList;
}
@Override
Widget computeTabGroup() {
ToolItem[] items = _getItems();
if (tabItemList == null) {
int i = 0;
while (i < items.length && items[i].control == null) i++;
if (i == items.length) return super.computeTabGroup();
}
int index = indexOf(currentFocusItem);
if (index == -1) index = items.length - 1;
while (index >= 0) {
ToolItem item = items[index];
if (item.isTabGroup()) return item;
index--;
}
return super.computeTabGroup();
}
@Override
void fixChildren(
Shell newShell,
Shell oldShell,
Decorations newDecorations,
Decorations oldDecorations,
Menu[] menus) {
super.fixChildren(newShell, oldShell, newDecorations, oldDecorations, menus);
ToolItem[] items = getItems();
if (toolTipText == null) {
for (int i = 0; i < items.length; i++) {
ToolItem item = items[i];
if (item.toolTipText != null) {
item.setToolTipText(oldShell, null);
item.setToolTipText(newShell, item.toolTipText);
}
}
}
}
@Override
Widget[] computeTabList() {
ToolItem[] items = _getItems();
if (tabItemList == null) {
int i = 0;
while (i < items.length && items[i].control == null) i++;
if (i == items.length) return super.computeTabList();
}
Widget result[] = {};
if (!isTabGroup() || !isEnabled() || !isVisible()) return result;
ToolItem[] list = tabList != null ? _getTabItemList() : items;
for (int i = 0; i < list.length; i++) {
ToolItem child = list[i];
Widget[] childList = child.computeTabList();
if (childList.length != 0) {
Widget[] newResult = new Widget[result.length + childList.length];
System.arraycopy(result, 0, newResult, 0, result.length);
System.arraycopy(childList, 0, newResult, result.length, childList.length);
result = newResult;
}
}
if (result.length == 0) result = new Widget[] {this};
return result;
}