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/*
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* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.awt.X11;
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import java.awt.*;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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class XWINProtocol extends XProtocol implements XStateProtocol, XLayerProtocol {
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final static Logger log = Logger.getLogger("sun.awt.X11.XWINProtocol");
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/* Gnome WM spec */
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XAtom XA_WIN_SUPPORTING_WM_CHECK = XAtom.get("_WIN_SUPPORTING_WM_CHECK");
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XAtom XA_WIN_PROTOCOLS = XAtom.get("_WIN_PROTOCOLS");
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XAtom XA_WIN_STATE = XAtom.get("_WIN_STATE");
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public boolean supportsState(int state) {
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return doStateProtocol(); // TODO - check for Frame constants
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}
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public void setState(XWindowPeer window, int state) {
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if (window.isShowing()) {
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/*
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* Request state transition from a Gnome WM (_WIN protocol) by sending
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* _WIN_STATE ClientMessage to root window.
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*/
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long win_state = 0;
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if ( (state & Frame.MAXIMIZED_VERT) != 0) {
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win_state |= WIN_STATE_MAXIMIZED_VERT;
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}
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if ( (state & Frame.MAXIMIZED_HORIZ) != 0) {
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win_state |= WIN_STATE_MAXIMIZED_HORIZ;
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}
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XClientMessageEvent req = new XClientMessageEvent();
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req.set_type(XlibWrapper.ClientMessage);
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req.set_window(window.getWindow());
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req.set_message_type(XA_WIN_STATE.getAtom());
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req.set_format(32);
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req.set_data(0, (WIN_STATE_MAXIMIZED_HORIZ | WIN_STATE_MAXIMIZED_VERT));
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req.set_data(1, win_state);
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if (log.isLoggable(Level.FINE)) log.fine("Sending WIN_STATE to root to change the state to " + win_state);
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try {
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XToolkit.awtLock();
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XlibWrapper.XSendEvent(XToolkit.getDisplay(),
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XlibWrapper.RootWindow(XToolkit.getDisplay(),
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window.getScreenNumber()),
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false,
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XlibWrapper.SubstructureRedirectMask | XlibWrapper.SubstructureNotifyMask,
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req.pData);
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}
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finally {
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XToolkit.awtUnlock();
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}
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req.dispose();
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} else {
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/*
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* Specify initial state for a Gnome WM (_WIN protocol) by setting
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* WIN_STATE property on the window to the desired state before
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* mapping it.
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*/
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/* Be careful to not wipe out state bits we don't understand */
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long win_state = XA_WIN_STATE.getCard32Property(window);
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long old_win_state = win_state;
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/*
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* In their stupid quest of reinventing every wheel, Gnome WM spec
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* have its own "minimized" hint (instead of using initial state
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* and WM_STATE hints). This is bogus, but, apparently, some WMs
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* pay attention.
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*/
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if ((state & Frame.ICONIFIED) != 0) {
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win_state |= WIN_STATE_MINIMIZED;
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} else {
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win_state &= ~WIN_STATE_MINIMIZED;
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}
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if ((state & Frame.MAXIMIZED_VERT) != 0) {
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win_state |= WIN_STATE_MAXIMIZED_VERT;
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} else {
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win_state &= ~WIN_STATE_MAXIMIZED_VERT;
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}
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if ((state & Frame.MAXIMIZED_HORIZ) != 0) {
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win_state |= WIN_STATE_MAXIMIZED_HORIZ;
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} else {
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win_state &= ~WIN_STATE_MAXIMIZED_HORIZ;
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}
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if ((old_win_state ^ win_state) != 0) {
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if (log.isLoggable(Level.FINE)) log.fine("Setting WIN_STATE on " + window + " to change the state to " + win_state);
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XA_WIN_STATE.setCard32Property(window, win_state);
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}
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}
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}
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public int getState(XWindowPeer window) {
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long win_state = XA_WIN_STATE.getCard32Property(window);
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int java_state = Frame.NORMAL;
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if ((win_state & WIN_STATE_MAXIMIZED_VERT) != 0) {
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java_state |= Frame.MAXIMIZED_VERT;
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}
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if ((win_state & WIN_STATE_MAXIMIZED_HORIZ) != 0) {
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java_state |= Frame.MAXIMIZED_HORIZ;
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}
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return java_state;
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}
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public boolean isStateChange(XPropertyEvent e) {
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return doStateProtocol() && e.get_atom() == XA_WIN_STATE.getAtom();
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}
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public void unshadeKludge(XWindowPeer window) {
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long win_state = XA_WIN_STATE.getCard32Property(window);
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if ((win_state & WIN_STATE_SHADED) == 0) {
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return;
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}
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win_state &= ~WIN_STATE_SHADED;
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XA_WIN_STATE.setCard32Property(window, win_state);
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}
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public boolean supportsLayer(int layer) {
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return ((layer == LAYER_ALWAYS_ON_TOP) || (layer == LAYER_NORMAL)) && doLayerProtocol();
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}
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public void setLayer(XWindowPeer window, int layer) {
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if (window.isShowing()) {
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XClientMessageEvent req = new XClientMessageEvent();
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req.set_type(XlibWrapper.ClientMessage);
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req.set_window(window.getWindow());
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req.set_message_type(XA_WIN_LAYER.getAtom());
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req.set_format(32);
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req.set_data(0, layer == LAYER_NORMAL ? WIN_LAYER_NORMAL : WIN_LAYER_ONTOP);
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req.set_data(1, 0);
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req.set_data(2, 0);
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if (log.isLoggable(Level.FINE)) log.fine("Setting layer " + layer + " by root message : " + req);
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XToolkit.awtLock();
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try {
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XlibWrapper.XSendEvent(XToolkit.getDisplay(),
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XlibWrapper.RootWindow(XToolkit.getDisplay(),
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window.getScreenNumber()),
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false,
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/*XlibWrapper.SubstructureRedirectMask | */XlibWrapper.SubstructureNotifyMask,
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req.pData);
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}
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finally {
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XToolkit.awtUnlock();
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}
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req.dispose();
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} else {
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if (log.isLoggable(Level.FINE)) log.fine("Setting layer property to " + layer);
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XA_WIN_LAYER.setCard32Property(window, layer == LAYER_NORMAL ? WIN_LAYER_NORMAL : WIN_LAYER_ONTOP);
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}
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}
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XAtom XA_WIN_LAYER = XAtom.get("_WIN_LAYER");
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/* _WIN_STATE bits */
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final static int WIN_STATE_STICKY =(1<<0); /* everyone knows sticky */
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final static int WIN_STATE_MINIMIZED =(1<<1); /* Reserved - definition is unclear */
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final static int WIN_STATE_MAXIMIZED_VERT =(1<<2); /* window in maximized V state */
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final static int WIN_STATE_MAXIMIZED_HORIZ =(1<<3); /* window in maximized H state */
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final static int WIN_STATE_HIDDEN =(1<<4); /* not on taskbar but window visible*/
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final static int WIN_STATE_SHADED =(1<<5); /* shaded (MacOS / Afterstep style) */
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/* _WIN_LAYER values */
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final static int WIN_LAYER_ONTOP = 6;
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final static int WIN_LAYER_NORMAL = 4;
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long WinWindow = 0;
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boolean supportChecked = false;
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void detect() {
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if (supportChecked) {
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return;
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}
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WinWindow = checkAnchor(XA_WIN_SUPPORTING_WM_CHECK, XAtom.XA_CARDINAL);
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supportChecked = true;
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if (log.isLoggable(Level.FINE)) log.fine("### " + this + " is active: " + (WinWindow != 0));
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}
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boolean active() {
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detect();
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return WinWindow != 0;
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}
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boolean doStateProtocol() {
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boolean res = active() && checkProtocol(XA_WIN_PROTOCOLS, XA_WIN_STATE);
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if (log.isLoggable(Level.FINE)) log.fine("### " + this + " supports state: " + res);
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return res;
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}
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boolean doLayerProtocol() {
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boolean res = active() && checkProtocol(XA_WIN_PROTOCOLS, XA_WIN_LAYER);
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if (log.isLoggable(Level.FINE)) log.fine("### " + this + " supports layer: " + res);
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return res;
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}
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}
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