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#include "kdetrayproxy.h"
00021
00022
#include <kapplication.h>
00023
#include <kdebug.h>
00024
#include <netwm.h>
00025
#include <X11/Xlib.h>
00026
#include <sys/select.h>
00027
#include <sys/time.h>
00028
#include <sys/types.h>
00029
#include <unistd.h>
00030
#include <assert.h>
00031
00032 KDETrayProxy::KDETrayProxy()
00033 : selection( makeSelectionAtom())
00034 {
00035 connect( &selection, SIGNAL( newOwner( Window )), SLOT( newOwner( Window )));
00036 connect( &module, SIGNAL( windowAdded( WId )), SLOT( windowAdded( WId )));
00037 selection.owner();
00038
for(
QValueList< WId >::ConstIterator it = module.windows().begin();
00039 it != module.windows().end();
00040 ++it )
00041 windowAdded( *it );
00042 kapp->installX11EventFilter(
this );
00043
00044 }
00045
00046 Atom KDETrayProxy::makeSelectionAtom()
00047 {
00048
return XInternAtom( qt_xdisplay(),
"_NET_SYSTEM_TRAY_S" +
QCString().setNum( qt_xscreen()), False );
00049 }
00050
00051
extern Time qt_x_time;
00052
00053
void KDETrayProxy::windowAdded( WId w )
00054 {
00055
NETWinInfo ni( qt_xdisplay(), w, qt_xrootwin(), NET::WMKDESystemTrayWinFor );
00056 WId trayWinFor = ni.kdeSystemTrayWinFor();
00057
if ( !trayWinFor )
00058
return;
00059
00060
if( !tray_windows.contains( w ))
00061 tray_windows.append( w );
00062 withdrawWindow( w );
00063
00064
if( !pending_windows.contains( w ))
00065 pending_windows.append( w );
00066 docked_windows.remove( w );
00067 Window owner = selection.owner();
00068
if( owner == None )
00069 {
00070
00071
return;
00072 }
00073 dockWindow( w, owner );
00074 }
00075
00076
void KDETrayProxy::newOwner( Window owner )
00077 {
00078
00079
for(
QValueList< Window >::ConstIterator it = pending_windows.begin();
00080 it != pending_windows.end();
00081 ++it )
00082 dockWindow( *it, owner );
00083
00084 }
00085
00086
bool KDETrayProxy::x11Event( XEvent* e )
00087 {
00088
if( tray_windows.isEmpty())
00089
return false;
00090
if( e->type == DestroyNotify && tray_windows.contains( e->xdestroywindow.window ))
00091 {
00092 tray_windows.remove( e->xdestroywindow.window );
00093 pending_windows.remove( e->xdestroywindow.window );
00094 docked_windows.remove( e->xdestroywindow.window );
00095 }
00096
if( e->type == ReparentNotify && tray_windows.contains( e->xreparent.window ))
00097 {
00098
if( e->xreparent.parent == qt_xrootwin())
00099 {
00100
if( !docked_windows.contains( e->xreparent.window ) || e->xreparent.serial >= docked_windows[ e->xreparent.window ] )
00101 {
00102
00103 docked_windows.remove( e->xreparent.window );
00104
if( !pending_windows.contains( e->xreparent.window ))
00105 pending_windows.append( e->xreparent.window );
00106 }
00107 }
00108
else
00109 {
00110
00111 pending_windows.remove( e->xreparent.window );
00112 }
00113 }
00114
if( e->type == UnmapNotify && tray_windows.contains( e->xunmap.window ))
00115 {
00116
if( docked_windows.contains( e->xunmap.window ) && e->xunmap.serial >= docked_windows[ e->xunmap.window ] )
00117 {
00118
00119 XReparentWindow( qt_xdisplay(), e->xunmap.window, qt_xrootwin(), 0, 0 );
00120
00121 }
00122 }
00123
return false;
00124 }
00125
00126
void KDETrayProxy::dockWindow( Window w, Window owner )
00127 {
00128
00129 docked_windows[ w ] = XNextRequest( qt_xdisplay());
00130
static Atom prop = XInternAtom( qt_xdisplay(),
"_XEMBED_INFO", False );
00131
long data[ 2 ] = { 0, 1 };
00132 XChangeProperty( qt_xdisplay(), w, prop, prop, 32, PropModeReplace, (
unsigned char*)data, 2 );
00133 XSizeHints hints;
00134 hints.flags = PMinSize | PMaxSize;
00135 hints.min_width = 24;
00136 hints.max_width = 24;
00137 hints.min_height = 24;
00138 hints.max_height = 24;
00139 XSetWMNormalHints( qt_xdisplay(), w, &hints );
00140
00141 XEvent ev;
00142 memset(&ev, 0,
sizeof( ev ));
00143
static Atom atom = XInternAtom( qt_xdisplay(),
"_NET_SYSTEM_TRAY_OPCODE", False );
00144 ev.xclient.type = ClientMessage;
00145 ev.xclient.window = owner;
00146 ev.xclient.message_type = atom;
00147 ev.xclient.format = 32;
00148 ev.xclient.data.l[ 0 ] = qt_x_time;
00149 ev.xclient.data.l[ 1 ] = 0;
00150 ev.xclient.data.l[ 2 ] = w;
00151 ev.xclient.data.l[ 3 ] = 0;
00152 ev.xclient.data.l[ 4 ] = 0;
00153 XSendEvent( qt_xdisplay(), owner, False, NoEventMask, &ev );
00154 }
00155
00156
void KDETrayProxy::withdrawWindow( Window w )
00157 {
00158 XWithdrawWindow( qt_xdisplay(), w, qt_xscreen());
00159
static Atom wm_state = XInternAtom( qt_xdisplay(),
"WM_STATE", False );
00160
for(;;)
00161 {
00162 Atom type;
00163
int format;
00164
unsigned long length, after;
00165
unsigned char *data;
00166
int r = XGetWindowProperty( qt_xdisplay(), w, wm_state, 0, 2,
00167 False, AnyPropertyType, &type, &format,
00168 &length, &after, &data );
00169
bool withdrawn =
true;
00170
if ( r == Success && data && format == 32 )
00171 {
00172 withdrawn = ( *(
long* )data == WithdrawnState );
00173 XFree( (
char *)data );
00174 }
00175
if( withdrawn )
00176
return;
00177
struct timeval tm;
00178 tm.tv_sec = 0;
00179 tm.tv_usec = 10 * 1000;
00180 select(0, NULL, NULL, NULL, &tm);
00181 }
00182 }
00183
00184
#include "kdetrayproxy.moc"
00185
00186
#if 0
00187
#include <kcmdlineargs.h>
00188
int main(
int argc,
char* argv[] )
00189 {
00190
KCmdLineArgs::init( argc, argv,
"a",
"b",
"c",
"d" );
00191
KApplication app(
false );
00192 app.disableSessionManagement();
00193 KDETrayProxy proxy;
00194
return app.exec();
00195 }
00196
#endif