com.sun.glass.ui.win.WinMenuImpl Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.glass.ui.win;
import com.sun.glass.ui.MenuItem;
import com.sun.glass.ui.MenuItem.Callback;
import com.sun.glass.ui.Window;
/*
* Base Windows menu implementation.
* Used by WinMenuDelegate & WindowsMenubarDelegate.
* This is package private class.
*/
class WinMenuImpl {
private static native void _initIDs();
static {
_initIDs();
}
private long ptr = 0; // HMENU
WinMenuImpl() {
}
long getHMENU() {
return ptr;
}
boolean create() {
ptr = _create();
return (ptr != 0);
}
void destroy() {
if (ptr != 0) {
_destroy(ptr);
ptr = 0;
}
}
boolean insertSubmenu(WinMenuDelegate menu, int pos) {
menu.setParent(this);
if (!_insertSubmenu(ptr, pos, menu.getHMENU(),
menu.getOwner().getTitle(), menu.getOwner().isEnabled())) {
menu.setParent(null);
return false;
}
return true;
}
boolean insertItem(WinMenuItemDelegate item, int pos) {
if (item == null) {
return _insertSeparator(ptr, pos);
}
item.setParent(this); // to get cmdID
if (!_insertItem(ptr, pos, item.getCmdID(),
item.getOwner().getTitle(),
item.getOwner().isEnabled(),
item.getOwner().isChecked(),
item.getOwner().getCallback(),
item.getOwner().getShortcutKey(),
item.getOwner().getShortcutModifiers())) {
item.setParent(null);
return false;
}
return true;
}
boolean removeMenu(WinMenuDelegate submenu, int pos) {
if (_removeAtPos(ptr, pos)) {
submenu.setParent(null);
return true;
}
return false;
}
boolean removeItem(WinMenuItemDelegate item, int pos) {
if (_removeAtPos(ptr, pos)) {
if (item != null) { // null means it's a separator
item.setParent(null);
}
return true;
}
return false;
}
boolean setSubmenuTitle(WinMenuDelegate submenu, String title) {
return _setSubmenuTitle(ptr, submenu.getHMENU(), title);
}
boolean setItemTitle(WinMenuItemDelegate submenu, String title) {
return _setItemTitle(ptr, submenu.getCmdID(), title);
}
boolean enableSubmenu(WinMenuDelegate submenu, boolean enable) {
return _enableSubmenu(ptr, submenu.getHMENU(), enable);
}
boolean enableItem(WinMenuItemDelegate item, boolean enable) {
return _enableItem(ptr, item.getCmdID(), enable);
}
public boolean checkItem(WinMenuItemDelegate item, boolean check) {
return _checkItem(ptr, item.getCmdID(), check);
}
// callback for native
private static boolean notifyCommand(Window window, int cmdID) {
WinMenuItemDelegate item = WinMenuItemDelegate.CommandIDManager.getHandler(cmdID);
if (item != null) {
MenuItem.Callback callback = item.getOwner().getCallback();
if (callback != null) {
callback.action();
return true;
}
}
return false;
}
// *****************************************************
// native methods
// all methods return true on success, false on failure
// menu methods
private native long _create();
private native void _destroy(long ptr);
private native boolean _insertItem(long ptr, int pos, int cmdID,
String title, boolean enabled, boolean checked,
Callback callback, int shortcut, int modifiers);
private native boolean _insertSubmenu(long ptr, int pos, long subPtr,
String title, boolean enabled);
private native boolean _insertSeparator(long ptr, int pos);
private native boolean _removeAtPos(long ptr, int pos);
// element methods
private native boolean _setItemTitle(long ptr, int cmdID, String title);
private native boolean _setSubmenuTitle(long ptr, long subPtr, String title);
private native boolean _enableItem(long ptr, int cmdID, boolean enabled);
private native boolean _enableSubmenu(long ptr, long subPtr, boolean enabled);
private native boolean _checkItem(long ptr, int cmdID, boolean checked);
}