| /* |
| * Copyright (c) 2003, 2008, Oracle and/or its affiliates. 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. 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| package sun.awt.X11; |
| |
| import java.awt.*; |
| import sun.util.logging.PlatformLogger; |
| |
| class XWINProtocol extends XProtocol implements XStateProtocol, XLayerProtocol { |
| final static PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XWINProtocol"); |
| |
| /* Gnome WM spec */ |
| XAtom XA_WIN_SUPPORTING_WM_CHECK = XAtom.get("_WIN_SUPPORTING_WM_CHECK"); |
| XAtom XA_WIN_PROTOCOLS = XAtom.get("_WIN_PROTOCOLS"); |
| XAtom XA_WIN_STATE = XAtom.get("_WIN_STATE"); |
| |
| public boolean supportsState(int state) { |
| return doStateProtocol(); // TODO - check for Frame constants |
| } |
| |
| public void setState(XWindowPeer window, int state) { |
| if (window.isShowing()) { |
| /* |
| * Request state transition from a Gnome WM (_WIN protocol) by sending |
| * _WIN_STATE ClientMessage to root window. |
| */ |
| long win_state = 0; |
| |
| if ( (state & Frame.MAXIMIZED_VERT) != 0) { |
| win_state |= WIN_STATE_MAXIMIZED_VERT; |
| } |
| if ( (state & Frame.MAXIMIZED_HORIZ) != 0) { |
| win_state |= WIN_STATE_MAXIMIZED_HORIZ; |
| } |
| |
| XClientMessageEvent req = new XClientMessageEvent(); |
| req.set_type(XConstants.ClientMessage); |
| req.set_window(window.getWindow()); |
| req.set_message_type(XA_WIN_STATE.getAtom()); |
| req.set_format(32); |
| req.set_data(0, (WIN_STATE_MAXIMIZED_HORIZ | WIN_STATE_MAXIMIZED_VERT)); |
| req.set_data(1, win_state); |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("Sending WIN_STATE to root to change the state to " + win_state); |
| try { |
| XToolkit.awtLock(); |
| XlibWrapper.XSendEvent(XToolkit.getDisplay(), |
| XlibWrapper.RootWindow(XToolkit.getDisplay(), |
| window.getScreenNumber()), |
| false, |
| XConstants.SubstructureRedirectMask | XConstants.SubstructureNotifyMask, |
| req.pData); |
| } |
| finally { |
| XToolkit.awtUnlock(); |
| } |
| req.dispose(); |
| } else { |
| /* |
| * Specify initial state for a Gnome WM (_WIN protocol) by setting |
| * WIN_STATE property on the window to the desired state before |
| * mapping it. |
| */ |
| /* Be careful to not wipe out state bits we don't understand */ |
| long win_state = XA_WIN_STATE.getCard32Property(window); |
| long old_win_state = win_state; |
| |
| /* |
| * In their stupid quest of reinventing every wheel, Gnome WM spec |
| * have its own "minimized" hint (instead of using initial state |
| * and WM_STATE hints). This is bogus, but, apparently, some WMs |
| * pay attention. |
| */ |
| if ((state & Frame.ICONIFIED) != 0) { |
| win_state |= WIN_STATE_MINIMIZED; |
| } else { |
| win_state &= ~WIN_STATE_MINIMIZED; |
| } |
| |
| if ((state & Frame.MAXIMIZED_VERT) != 0) { |
| win_state |= WIN_STATE_MAXIMIZED_VERT; |
| } else { |
| win_state &= ~WIN_STATE_MAXIMIZED_VERT; |
| } |
| |
| if ((state & Frame.MAXIMIZED_HORIZ) != 0) { |
| win_state |= WIN_STATE_MAXIMIZED_HORIZ; |
| } else { |
| win_state &= ~WIN_STATE_MAXIMIZED_HORIZ; |
| } |
| if ((old_win_state ^ win_state) != 0) { |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("Setting WIN_STATE on " + window + " to change the state to " + win_state); |
| XA_WIN_STATE.setCard32Property(window, win_state); |
| } |
| } |
| } |
| |
| public int getState(XWindowPeer window) { |
| long win_state = XA_WIN_STATE.getCard32Property(window); |
| int java_state = Frame.NORMAL; |
| if ((win_state & WIN_STATE_MAXIMIZED_VERT) != 0) { |
| java_state |= Frame.MAXIMIZED_VERT; |
| } |
| if ((win_state & WIN_STATE_MAXIMIZED_HORIZ) != 0) { |
| java_state |= Frame.MAXIMIZED_HORIZ; |
| } |
| return java_state; |
| } |
| |
| public boolean isStateChange(XPropertyEvent e) { |
| return doStateProtocol() && e.get_atom() == XA_WIN_STATE.getAtom(); |
| } |
| |
| public void unshadeKludge(XWindowPeer window) { |
| long win_state = XA_WIN_STATE.getCard32Property(window); |
| if ((win_state & WIN_STATE_SHADED) == 0) { |
| return; |
| } |
| win_state &= ~WIN_STATE_SHADED; |
| XA_WIN_STATE.setCard32Property(window, win_state); |
| } |
| |
| public boolean supportsLayer(int layer) { |
| return ((layer == LAYER_ALWAYS_ON_TOP) || (layer == LAYER_NORMAL)) && doLayerProtocol(); |
| } |
| |
| public void setLayer(XWindowPeer window, int layer) { |
| if (window.isShowing()) { |
| XClientMessageEvent req = new XClientMessageEvent(); |
| req.set_type(XConstants.ClientMessage); |
| req.set_window(window.getWindow()); |
| req.set_message_type(XA_WIN_LAYER.getAtom()); |
| req.set_format(32); |
| req.set_data(0, layer == LAYER_NORMAL ? WIN_LAYER_NORMAL : WIN_LAYER_ONTOP); |
| req.set_data(1, 0); |
| req.set_data(2, 0); |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("Setting layer " + layer + " by root message : " + req); |
| XToolkit.awtLock(); |
| try { |
| XlibWrapper.XSendEvent(XToolkit.getDisplay(), |
| XlibWrapper.RootWindow(XToolkit.getDisplay(), |
| window.getScreenNumber()), |
| false, |
| /*XConstants.SubstructureRedirectMask | */XConstants.SubstructureNotifyMask, |
| req.pData); |
| } |
| finally { |
| XToolkit.awtUnlock(); |
| } |
| req.dispose(); |
| } else { |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("Setting layer property to " + layer); |
| XA_WIN_LAYER.setCard32Property(window, layer == LAYER_NORMAL ? WIN_LAYER_NORMAL : WIN_LAYER_ONTOP); |
| } |
| } |
| |
| XAtom XA_WIN_LAYER = XAtom.get("_WIN_LAYER"); |
| |
| /* _WIN_STATE bits */ |
| final static int WIN_STATE_STICKY =(1<<0); /* everyone knows sticky */ |
| final static int WIN_STATE_MINIMIZED =(1<<1); /* Reserved - definition is unclear */ |
| final static int WIN_STATE_MAXIMIZED_VERT =(1<<2); /* window in maximized V state */ |
| final static int WIN_STATE_MAXIMIZED_HORIZ =(1<<3); /* window in maximized H state */ |
| final static int WIN_STATE_HIDDEN =(1<<4); /* not on taskbar but window visible*/ |
| final static int WIN_STATE_SHADED =(1<<5); /* shaded (MacOS / Afterstep style) */ |
| /* _WIN_LAYER values */ |
| final static int WIN_LAYER_ONTOP = 6; |
| final static int WIN_LAYER_NORMAL = 4; |
| |
| long WinWindow = 0; |
| boolean supportChecked = false; |
| void detect() { |
| if (supportChecked) { |
| return; |
| } |
| WinWindow = checkAnchor(XA_WIN_SUPPORTING_WM_CHECK, XAtom.XA_CARDINAL); |
| supportChecked = true; |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("### " + this + " is active: " + (WinWindow != 0)); |
| } |
| |
| boolean active() { |
| detect(); |
| return WinWindow != 0; |
| } |
| boolean doStateProtocol() { |
| boolean res = active() && checkProtocol(XA_WIN_PROTOCOLS, XA_WIN_STATE); |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("### " + this + " supports state: " + res); |
| return res; |
| } |
| |
| boolean doLayerProtocol() { |
| boolean res = active() && checkProtocol(XA_WIN_PROTOCOLS, XA_WIN_LAYER); |
| if (log.isLoggable(PlatformLogger.FINE)) log.fine("### " + this + " supports layer: " + res); |
| return res; |
| } |
| } |
