/*
* Copyright 1995-2003 Sun Microsystems, Inc. All Rights Reserved.
* 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.awt.motif;
import java.awt.*;
import java.awt.peer.*;
import sun.awt.SunGraphicsCallback;
class MPanelPeer extends MCanvasPeer implements PanelPeer {
MPanelPeer() {}
MPanelPeer(Component target) {
super(target);
}
MPanelPeer(Component target, Object arg) {
super(target, arg);
}
public Insets getInsets() {
return new Insets(0, 0, 0, 0);
}
public void paint(Graphics g) {
super.paint(g);
SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance().
runComponents(((Container)target).getComponents(), g,
SunGraphicsCallback.LIGHTWEIGHTS |
SunGraphicsCallback.HEAVYWEIGHTS);
}
public void print(Graphics g) {
super.print(g);
SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance().
runComponents(((Container)target).getComponents(), g,
SunGraphicsCallback.LIGHTWEIGHTS |
SunGraphicsCallback.HEAVYWEIGHTS);
}
public void setBackground(Color c) {
Component comp;
int i;
Container cont = (Container) target;
synchronized(target.getTreeLock()) {
int n = cont.getComponentCount();
for(i=0; i < n; i++) {
comp = cont.getComponent(i);
MComponentPeer peer = (MComponentPeer) MToolkit.targetToPeer(comp);
if (peer != null) {
Color color = comp.getBackground();
if (color == null || color.equals(c)) {
peer.setBackground(c);
peer.pSetBackground(c);
}
if ((comp instanceof java.awt.List) ||
(comp instanceof java.awt.TextArea) ||
(comp instanceof java.awt.ScrollPane)) {
peer.pSetScrollbarBackground(c);
}
}
}
}
pSetBackground(c);
}
public void setForeground(Color c) {
Component comp;
int i;
Container cont = (Container) target;
synchronized(target.getTreeLock()) {
int n = cont.getComponentCount();
for(i=0; i < n; i++) {
comp = cont.getComponent(i);
MComponentPeer peer = (MComponentPeer) MToolkit.targetToPeer(comp);
if (peer != null) {
Color color = comp.getForeground();
if (color == null || color.equals(c)) {
peer.setForeground(c);
peer.pSetForeground(c);
}
if ((comp instanceof java.awt.List) ||
(comp instanceof java.awt.TextArea) ||
(comp instanceof java.awt.ScrollPane)) {
peer.pSetInnerForeground(c);
}
}
}
}
pSetForeground(c);
}
/**
* DEPRECATED: Replaced by getInsets().
*/
public Insets insets() {
return getInsets();
}
/**
* Recursive method that handles the propagation of the displayChanged
* event into the entire hierarchy of peers.
* Unlike on win32, on X we don't worry about handling on-the-fly
* display settings changes, only windows being dragged across Xinerama
* screens. Thus, we only need to tell MCanvasPeers, not all
* MComponentPeers.
*/
private void recursiveDisplayChanged(Component c, int screenNum) {
if (c instanceof Container) {
Component children[] = ((Container)c).getComponents();
for (int i = 0; i < children.length; ++i) {
recursiveDisplayChanged(children[i], screenNum);
}
}
ComponentPeer peer = c.getPeer();
if (peer != null && peer instanceof MCanvasPeer) {
MCanvasPeer mPeer = (MCanvasPeer)peer;
mPeer.displayChanged(screenNum);
}
}
/*
* Often up-called from a MWindowPeer instance.
* Calls displayChanged() on all child canvas' peers.
* Recurses into Container children to ensure all canvases
* get the message.
*/
public void displayChanged(int screenNum) {
// Don't do super call because MWindowPeer has already updated its GC
Component children[] = ((Container)target).getComponents();
for (int i = 0; i < children.length; i++) {
recursiveDisplayChanged(children[i], screenNum);
}
}
protected boolean shouldFocusOnClick() {
// Return false if this container has children so in that case it won't
// be focused. Return true otherwise.
return ((Container)target).getComponentCount() == 0;
}
private native void pEnsureIndex(ComponentPeer child, int index);
private native void pRestack();
private int restack(Container cont, int ind) {
for (int i = 0; i < cont.getComponentCount(); i++) {
Component comp = cont.getComponent(i);
if (!comp.isLightweight()) {
if (comp.getPeer() != null) {
pEnsureIndex(comp.getPeer(), ind++);
}
}
if (comp.isLightweight() && comp instanceof Container) {
ind = restack((Container)comp, ind);
}
}
return ind;
}
/**
* @see java.awt.peer.ContainerPeer#restack
*/
public void restack() {
Container cont = (Container)target;
restack(cont, 0);
pRestack();
}
/**
* @see java.awt.peer.ContainerPeer#isRestackSupported
*/
public boolean isRestackSupported() {
return true;
}
}