added tint2/lxpanel support

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1736 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 205 insertions, 0 deletions

diff --git a/src/ui/windowsystem.cpp b/src/ui/windowsystem.cpp
new file mode 100644
index 000000000..a85748584
--- /dev/null
+++ b/src/ui/windowsystem.cpp
@@ -0,0 +1,205 @@
+/***************************************************************************
+ *   Based on Licq                                                         *
+ *   Copyright (C) 2006-2009 Licq developers                               *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "windowsystem.h"
+#include <QCoreApplication>
+#ifdef Q_WS_X11
+#include <QX11Info>
+#include <X11/X.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#endif
+
+#ifdef Q_WS_X11
+void WindowSystem::ghostWindow(WId win)
+{
+  Display* dsp = QX11Info::display();
+  Window root = DefaultRootWindow(dsp);
+
+  Atom win_state = XInternAtom(dsp, "_NET_WM_STATE", False);
+  Atom win_state_add = XInternAtom(dsp, "_NET_WM_STATE_ADD", False);
+  Atom win_state_settings[] =
+  {
+    XInternAtom(dsp, "_NET_WM_STATE_SKIP_TASKBAR", False),
+    XInternAtom(dsp, "_NET_WM_STATE_SKIP_PAGER", False)
+  };
+  XChangeProperty(dsp, win, win_state, XA_ATOM, 32, PropModeReplace,
+      reinterpret_cast<unsigned char*>(&win_state_settings), 2);
+
+  XEvent xev;
+  xev.type = ClientMessage;
+  xev.xclient.type = ClientMessage;
+  xev.xclient.display = dsp;
+  xev.xclient.window = win;
+  xev.xclient.message_type = win_state;
+  xev.xclient.format = 32;
+  xev.xclient.data.l[0] = win_state_add;
+  xev.xclient.data.l[1] = win_state_settings[0];
+  xev.xclient.data.l[2] = win_state_settings[1];
+
+  XSendEvent(dsp, root, false,
+      SubstructureRedirectMask | SubstructureNotifyMask, &xev);
+}
+
+char* WindowSystem::netWindowManagerName()
+{
+    char* name = NULL;
+
+    Display* dsp = QX11Info::display();
+    WId root = DefaultRootWindow(dsp);
+
+    unsigned char* retValue1 = NULL;
+    unsigned char* retValue2 = NULL;
+
+    retValue1 = getWindowProperty(root, "_NET_SUPPORTING_WM_CHECK");
+    if (retValue1 == NULL)
+        return NULL;
+
+    WId win = *(reinterpret_cast<unsigned long*>(retValue1));
+
+    retValue2 = getWindowProperty(win, "_NET_SUPPORTING_WM_CHECK");
+    if (retValue2 == NULL)
+    {
+        XFree(retValue1);
+        return NULL;
+    }
+
+    if (win != *(reinterpret_cast<unsigned long*>(retValue2)))
+    {
+        XFree(retValue1);
+        XFree(retValue2);
+        return NULL;
+    }
+
+    XFree(retValue2);
+    retValue2 = NULL;
+
+    retValue2 = getWindowProperty(win, "_NET_WM_NAME");
+    XFree(retValue1);
+    if (retValue2 == NULL)
+        return NULL;
+
+    name = strdup(reinterpret_cast<const char*>(retValue2));
+
+    XFree(retValue2);
+
+    return name;
+}
+
+void WindowSystem::changeWinSticky(WId win, bool stick)
+{
+    qDebug("WindowSystem: setting sticky state of window 0x%lx to %s.\n",
+           static_cast<unsigned long>(win), stick ? "true" : "false");
+    Display* dsp = QX11Info::display();
+    Window root  = DefaultRootWindow(dsp);
+
+    unsigned long desktop = ~(0UL);
+
+    if (!stick)
+    {
+        unsigned char* tmp = getWindowProperty(root, "_NET_CURRENT_DESKTOP");
+
+        if (tmp == NULL)
+            qWarning("WindowSystem: error reading current desktop property.");
+        else
+        {
+            desktop = *(reinterpret_cast<unsigned long*>(tmp));
+            XFree(tmp);
+        }
+    }
+
+    XEvent xev;
+    xev.type = ClientMessage;
+    xev.xclient.type = ClientMessage;
+    xev.xclient.display = dsp;
+    xev.xclient.window = win;
+    xev.xclient.message_type = XInternAtom(dsp, "_NET_WM_DESKTOP", False);
+    xev.xclient.format = 32;
+    xev.xclient.data.l[0] = desktop;
+
+    XSendEvent(dsp, root, False,
+               SubstructureRedirectMask | SubstructureNotifyMask, &xev);
+}
+
+unsigned char* WindowSystem::getWindowProperty(WId win, const char* prop)
+{
+  Display* dsp = QX11Info::display();
+
+  // We inhibit new Atom creation since if you request for it
+  // then such Atom most probably exists already.
+  // Otherwise, no surprise we return NULL here.
+  Atom reqAtom = XInternAtom(dsp, prop, True);
+
+  if (reqAtom == None)
+    return NULL;
+
+  int retCheck = None;
+  Atom retType = None;
+  int retFormat = 0;
+  unsigned long retItems = 0UL;
+  unsigned long retMoreBytes = 0UL;
+  unsigned char* retValue = NULL;
+
+  // Check if the property exists and calculate its length.
+  retCheck = XGetWindowProperty(dsp, win,
+      reqAtom, 0L, 0L, False, AnyPropertyType,
+      &retType, &retFormat, &retItems, &retMoreBytes, &retValue);
+
+  // The value is most probably empty, since we requested to read
+  // only 0L length, thus, it's just useless...
+  if (retValue != NULL)
+  {
+    XFree(retValue);
+    retValue = NULL;
+  }
+
+  if (retCheck != Success ||
+      retType == None ||
+      retMoreBytes == 0)
+    return NULL;
+
+  // These are not needed for now.
+  retCheck = None;
+  retFormat = 0;
+  retItems = 0UL;
+
+  // Convert the byte length into 32bit multiples.
+  if (retMoreBytes % 4 != 0)
+    retMoreBytes += 4 - retMoreBytes % 4;
+  retMoreBytes /= 4;
+
+  // Now request the actual property value with correct length and type.
+  retCheck = XGetWindowProperty(dsp, win,
+      reqAtom, 0L, retMoreBytes, False, retType,
+      &retType, &retFormat, &retItems, &retMoreBytes, &retValue);
+
+  if (retCheck != Success ||
+      retMoreBytes != 0)
+  {
+    if (retValue != NULL)
+      XFree(retValue);
+    return NULL;
+  }
+
+  return retValue;
+}
+
+#endif