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kwin/client.cpp
Luboš Luňák 3abd0ebdf0 Oops. Qt3.2 used to set resource class in WM_CLASS all lowercase, but 
Qt3.3 capitalizes it (part of my own patch IIRC, hehe :-/), so all
the workarounds for specific apps no longer work -> force resource class
to be always lowercase.

svn path=/trunk/kdebase/kwin/; revision=290521
2004-02-23 12:47:28 +00:00

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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#include "client.h"
#include <qapplication.h>
#include <qpainter.h>
#include <qdatetime.h>
#include <kprocess.h>
#include <unistd.h>
#include <kstandarddirs.h>
#include <qwhatsthis.h>
#include <kwin.h>
#include <kiconloader.h>
#include <stdlib.h>
#include "bridge.h"
#include "group.h"
#include "workspace.h"
#include "atoms.h"
#include "notifications.h"
#include <X11/extensions/shape.h>
// put all externs before the namespace statement to allow the linker
// to resolve them properly
extern Atom qt_wm_state;
extern Time qt_x_time;
extern Atom qt_window_role;
extern Atom qt_sm_client_id;
namespace KWinInternal
{
/*
Creating a client:
- only by calling Workspace::createClient()
- it creates a new client and calls manage() for it
Destroying a client:
- destroyClient() - only when the window itself has been destroyed
- releaseWindow() - the window is kept, only the client itself is destroyed
*/
/*!
\class Client client.h
\brief The Client class encapsulates a window decoration frame.
*/
/*!
This ctor is "dumb" - it only initializes data. All the real initialization
is done in manage().
*/
Client::Client( Workspace *ws )
: QObject( NULL ),
client( None ),
wrapper( None ),
frame( None ),
decoration( NULL ),
wspace( ws ),
bridge( new Bridge( this )),
move_faked_activity( false ),
transient_for( NULL ),
transient_for_id( None ),
original_transient_for_id( None ),
in_group( NULL ),
window_group( None ),
in_layer( UnknownLayer ),
ping_timer( NULL ),
process_killer( NULL ),
user_time( CurrentTime ), // not known yet
allowed_actions( 0 ),
block_geometry( 0 ),
shade_geometry_change( false ),
border_left( 0 ),
border_right( 0 ),
border_top( 0 ),
border_bottom( 0 )
// SELI do all as initialization
{
autoRaiseTimer = 0;
shadeHoverTimer = 0;
// set the initial mapping state
mapping_state = WithdrawnState;
desk = 0; // no desktop yet
mode = PositionCenter;
buttonDown = FALSE;
moveResizeMode = FALSE;
info = NULL;
shade_mode = ShadeNone;
active = FALSE;
keep_above = FALSE;
keep_below = FALSE;
is_shape = FALSE;
motif_may_move = TRUE;
motif_may_resize = TRUE;
motif_may_close = TRUE;
fullscreen_mode = FullScreenNone;
skip_taskbar = FALSE;
original_skip_taskbar = false;
minimized = false;
hidden = false;
modal = false;
noborder = false;
user_noborder = false;
not_obscured = false;
urgency = false;
Pdeletewindow = 0;
Ptakefocus = 0;
Pcontexthelp = 0;
Pping = 0;
input = FALSE;
store_settings = FALSE;
skip_pager = FALSE;
max_mode = MaximizeRestore;
cmap = None;
frame_geometry = QRect( 0, 0, 100, 100 ); // so that decorations don't start with size being (0,0)
client_size = QSize( 100, 100 );
// SELI initialize xsizehints??
}
/*!
"Dumb" destructor.
*/
Client::~Client()
{
assert(!moveResizeMode);
assert( client == None );
assert( frame == None && wrapper == None );
assert( decoration == NULL );
assert( block_geometry == 0 );
delete info;
delete bridge;
}
// use destroyClient() or releaseWindow(), Client instances cannot be deleted directly
void Client::deleteClient( Client* c, allowed_t )
{
delete c;
}
/*!
Releases the window. The client has done its job and the window is still existing.
*/
void Client::releaseWindow( bool on_shutdown )
{
if (moveResizeMode)
leaveMoveResize();
setModal( false ); // otherwise its mainwindow wouldn't get focus
hidden = true; // so that it's not considered visible anymore (can't use hideClient(), it would set flags)
if( !on_shutdown )
workspace()->clientHidden( this );
XUnmapWindow( qt_xdisplay(), frameId()); // destroying decoration would cause ugly visual effect
destroyDecoration();
cleanGrouping();
if( !on_shutdown )
{
workspace()->removeClient( this, Allowed );
// only when the window is being unmapped, not when closing down KWin
// (NETWM sections 5.5,5.7)
info->setDesktop( 0 );
desk = 0;
info->setState( 0, info->state()); // reset all state flags
}
XDeleteProperty( qt_xdisplay(), client, atoms->kde_net_wm_user_creation_time);
// TODO remove KDEFrameStrut property
XReparentWindow( qt_xdisplay(), client, workspace()->rootWin(), x(), y());
XRemoveFromSaveSet( qt_xdisplay(), client );
XSelectInput( qt_xdisplay(), client, NoEventMask );
if( on_shutdown )
{ // map the window, so it can be found after another WM is started
XMapWindow( qt_xdisplay(), client );
// TODO preserve minimized, shaded etc. state?
}
else
{
// Make sure it's not mapped if the app unmapped it (#65279). The app
// may do map+unmap before we initially map the window by calling rawShow() from manage().
XUnmapWindow( qt_xdisplay(), client );
}
setMappingState( WithdrawnState ); // after all is done, tell the app
client = None;
XDestroyWindow( qt_xdisplay(), wrapper );
wrapper = None;
XDestroyWindow( qt_xdisplay(), frame );
frame = None;
deleteClient( this, Allowed );
}
// like releaseWindow(), but this one is called when the window has been already destroyed
// (e.g. the application closed it)
void Client::destroyClient()
{
if (moveResizeMode)
leaveMoveResize();
++block_geometry;
setModal( false );
hidden = true; // so that it's not considered visible anymore
workspace()->clientHidden( this );
destroyDecoration();
cleanGrouping();
workspace()->removeClient( this, Allowed );
client = None; // invalidate
XDestroyWindow( qt_xdisplay(), wrapper );
wrapper = None;
XDestroyWindow( qt_xdisplay(), frame );
frame = None;
--block_geometry;
deleteClient( this, Allowed );
}
void Client::updateDecoration( bool check_workspace_pos, bool force )
{
if( !force && (( decoration == NULL && noBorder())
|| ( decoration != NULL && !noBorder())))
return;
bool do_show = false;
++block_geometry;
if( force )
destroyDecoration();
if( !noBorder())
{
decoration = workspace()->createDecoration( bridge );
// TODO check decoration's minimum size?
decoration->init();
decoration->widget()->installEventFilter( this );
XReparentWindow( qt_xdisplay(), decoration->widget()->winId(), frameId(), 0, 0 );
decoration->widget()->lower();
decoration->borders( border_left, border_right, border_top, border_bottom );
int save_workarea_diff_x = workarea_diff_x;
int save_workarea_diff_y = workarea_diff_y;
move( calculateGravitation( false ));
if( !isShade())
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
else
plainResize( sizeForClientSize( QSize( clientSize().width(), 0 ), SizemodeShaded ), ForceGeometrySet );
workarea_diff_x = save_workarea_diff_x;
workarea_diff_y = save_workarea_diff_y;
do_show = true;
}
else
destroyDecoration();
if( check_workspace_pos )
checkWorkspacePosition();
--block_geometry;
setGeometry( geometry(), ForceGeometrySet );
if( do_show )
decoration->widget()->show();
updateFrameStrut();
}
void Client::destroyDecoration()
{
if( decoration != NULL )
{
delete decoration;
decoration = NULL;
QPoint grav = calculateGravitation( true );
border_left = border_right = border_top = border_bottom = 0;
setMask( QRegion()); // reset shape mask
int save_workarea_diff_x = workarea_diff_x;
int save_workarea_diff_y = workarea_diff_y;
if( !isShade())
plainResize( clientSize(), ForceGeometrySet );
else
plainResize( QSize( clientSize().width(), 0 ), ForceGeometrySet );
move( grav );
workarea_diff_x = save_workarea_diff_x;
workarea_diff_y = save_workarea_diff_y;
}
}
void Client::checkBorderSizes()
{
if( decoration == NULL )
return;
int new_left, new_right, new_top, new_bottom;
decoration->borders( new_left, new_right, new_top, new_bottom );
if( new_left == border_left && new_right == border_right
&& new_top == border_top && new_bottom == border_bottom )
return;
++block_geometry;
move( calculateGravitation( true ));
border_left = new_left;
border_right = new_right;
border_top = new_top;
border_bottom = new_bottom;
move( calculateGravitation( false ));
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
checkWorkspacePosition();
--block_geometry;
setGeometry( geometry(), ForceGeometrySet );
}
void Client::detectNoBorder()
{
if( Shape::hasShape( window()) || Motif::noBorder( window()))
{
noborder = true; // TODO for all window types?
return;
}
switch( windowType())
{
case NET::Desktop :
case NET::Dock :
case NET::TopMenu :
case NET::Override :
case NET::Splash :
noborder = true;
break;
case NET::Unknown :
case NET::Normal :
case NET::Toolbar :
case NET::Menu :
case NET::Dialog :
case NET::Utility :
noborder = false;
break;
default:
assert( false );
}
}
void Client::updateFrameStrut()
{
// TODO KDEFrameStrut je ale pitome jmeno
NETStrut strut;
strut.left = border_left;
strut.right = border_right;
strut.top = border_top;
strut.bottom = border_bottom;
info->setKDEFrameStrut( strut );
}
// Resizes the decoration, and makes sure the decoration widget gets resize event
// even if the size hasn't changed. This is needed to make sure the decoration
// re-layouts (e.g. when options()->moveResizeMaximizedWindows() changes,
// the decoration may turn on/off some borders, but the actual size
// of the decoration stays the same).
void Client::resizeDecoration( const QSize& s )
{
if( decoration == NULL )
return;
QSize oldsize = decoration->widget()->size();
decoration->resize( s );
if( oldsize == s )
{
QResizeEvent e( s, oldsize );
QApplication::sendEvent( decoration->widget(), &e );
}
}
bool Client::noBorder() const
{
return noborder || isFullScreen() || user_noborder;
}
bool Client::userCanSetNoBorder() const
{
return !noborder && !isFullScreen() && !isShade();
}
bool Client::isUserNoBorder() const
{
return user_noborder;
}
void Client::setUserNoBorder( bool set )
{
if( !userCanSetNoBorder())
return;
if( user_noborder == set )
return;
user_noborder = set;
updateDecoration( true, false );
}
void Client::updateShape()
{
if ( shape() )
XShapeCombineShape(qt_xdisplay(), frameId(), ShapeBounding,
clientPos().x(), clientPos().y(),
window(), ShapeBounding, ShapeSet);
else
XShapeCombineMask( qt_xdisplay(), frameId(), ShapeBounding, 0, 0,
None, ShapeSet);
// workaround for #19644 - shaped windows shouldn't have decoration
if( shape() && !noBorder())
{
noborder = true;
updateDecoration( true );
}
}
void Client::setMask( const QRegion& reg, int mode )
{
_mask = reg;
if( reg.isNull())
XShapeCombineMask( qt_xdisplay(), frameId(), ShapeBounding, 0, 0,
None, ShapeSet );
else if( mode == X::Unsorted )
XShapeCombineRegion( qt_xdisplay(), frameId(), ShapeBounding, 0, 0,
reg.handle(), ShapeSet );
else
{
QMemArray< QRect > rects = reg.rects();
XRectangle* xrects = new XRectangle[ rects.count() ];
for( unsigned int i = 0;
i < rects.count();
++i )
{
xrects[ i ].x = rects[ i ].x();
xrects[ i ].y = rects[ i ].y();
xrects[ i ].width = rects[ i ].width();
xrects[ i ].height = rects[ i ].height();
}
XShapeCombineRectangles( qt_xdisplay(), frameId(), ShapeBounding, 0, 0,
xrects, rects.count(), ShapeSet, mode );
delete[] xrects;
}
}
QRegion Client::mask() const
{
if( _mask.isEmpty())
return QRegion( 0, 0, width(), height());
return _mask;
}
void Client::hideClient( bool hide )
{
if( hidden == hide )
return;
hidden = hide;
info->setState( hidden ? NET::Hidden : 0, NET::Hidden );
if( hidden )
{
setMappingState( IconicState );
rawHide();
setSkipTaskbar( true, false ); // also hide from taskbar
}
else // !hidden
{
setSkipTaskbar( original_skip_taskbar, false );
if( isOnCurrentDesktop())
{
if( isShown( false ))
setMappingState( NormalState );
rawShow(); // is either visible or shaded
}
}
}
/*
Returns whether the window is minimizable or not
*/
bool Client::isMinimizable() const
{
if( !wantsTabFocus() // SELI co NET::Utility? a proc wantsTabFocus() - skiptaskbar? ?
|| ( isSpecialWindow() && !isOverride()))
return false;
if( isTransient())
{ // transients may be minimized only if mainwindow is not shown
ClientList mainclients = mainClients();
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end();
++it )
if( (*it)->isShown( true ))
return false;
}
return true;
}
/*!
Minimizes this client plus its transients
*/
void Client::minimize()
{
if ( !isMinimizable() || isMinimized())
return;
minimized = true;
Notify::raise( Notify::Minimize );
// SELI mainClients().isEmpty() ??? - and in unminimize() too
if ( mainClients().isEmpty() && isOnCurrentDesktop())
animateMinimizeOrUnminimize( true ); // was visible or shaded
setMappingState( IconicState );
info->setState( NET::Hidden, NET::Hidden );
rawHide();
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
}
void Client::unminimize()
{
if( !isMinimized())
return;
Notify::raise( Notify::UnMinimize );
minimized = false;
info->setState( 0, NET::Hidden );
if( isOnCurrentDesktop())
{
if( mainClients().isEmpty())
animateMinimizeOrUnminimize( FALSE );
if( isShown( false ))
setMappingState( NormalState );
rawShow(); // is either visible or shaded
}
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
}
extern bool blockAnimation;
void Client::animateMinimizeOrUnminimize( bool minimize )
{
if ( blockAnimation )
return;
if ( !options->animateMinimize )
return;
if( decoration != NULL && decoration->animateMinimize( minimize ))
return; // decoration did it
// the function is a bit tricky since it will ensure that an
// animation action needs always the same time regardless of the
// performance of the machine or the X-Server.
float lf,rf,tf,bf,step;
int speed = options->animateMinimizeSpeed;
if ( speed > 10 )
speed = 10;
if ( speed < 0 )
speed = 0;
step = 40. * (11 - speed );
NETRect r = info->iconGeometry();
QRect icongeom( r.pos.x, r.pos.y, r.size.width, r.size.height );
if ( !icongeom.isValid() )
return;
QPixmap pm = animationPixmap( minimize ? width() : icongeom.width() );
QRect before, after;
if ( minimize )
{
before = QRect( x(), y(), width(), pm.height() );
after = QRect( icongeom.x(), icongeom.y(), icongeom.width(), pm.height() );
}
else
{
before = QRect( icongeom.x(), icongeom.y(), icongeom.width(), pm.height() );
after = QRect( x(), y(), width(), pm.height() );
}
lf = (after.left() - before.left())/step;
rf = (after.right() - before.right())/step;
tf = (after.top() - before.top())/step;
bf = (after.bottom() - before.bottom())/step;
grabXServer();
QRect area = before;
QRect area2;
QPixmap pm2;
QTime t;
t.start();
float diff;
QPainter p ( workspace()->desktopWidget() );
bool need_to_clear = FALSE;
QPixmap pm3;
do
{
if (area2 != area)
{
pm = animationPixmap( area.width() );
pm2 = QPixmap::grabWindow( qt_xrootwin(), area.x(), area.y(), area.width(), area.height() );
p.drawPixmap( area.x(), area.y(), pm );
if ( need_to_clear )
{
p.drawPixmap( area2.x(), area2.y(), pm3 );
need_to_clear = FALSE;
}
area2 = area;
}
XFlush(qt_xdisplay());
XSync( qt_xdisplay(), FALSE );
diff = t.elapsed();
if (diff > step)
diff = step;
area.setLeft(before.left() + int(diff*lf));
area.setRight(before.right() + int(diff*rf));
area.setTop(before.top() + int(diff*tf));
area.setBottom(before.bottom() + int(diff*bf));
if (area2 != area )
{
if ( area2.intersects( area ) )
p.drawPixmap( area2.x(), area2.y(), pm2 );
else
{ // no overlap, we can clear later to avoid flicker
pm3 = pm2;
need_to_clear = TRUE;
}
}
} while ( t.elapsed() < step);
if (area2 == area || need_to_clear )
p.drawPixmap( area2.x(), area2.y(), pm2 );
p.end();
ungrabXServer();
}
/*!
The pixmap shown during (un)minimalization animation
*/
QPixmap Client::animationPixmap( int w )
{
QFont font = options->font(isActive());
QFontMetrics fm( font );
QPixmap pm( w, fm.lineSpacing() );
pm.fill( options->color(Options::ColorTitleBar, isActive() || isMinimized() ) );
QPainter p( &pm );
p.setPen(options->color(Options::ColorFont, isActive() || isMinimized() ));
p.setFont(options->font(isActive()));
p.drawText( pm.rect(), AlignLeft|AlignVCenter|SingleLine, caption() );
return pm;
}
bool Client::isShadeable() const
{
return !isSpecialWindow() && !noBorder();
}
void Client::setShade( ShadeMode mode )
{
if( !isShadeable())
return;
if( shade_mode == mode )
return;
bool was_shade = isShade();
ShadeMode was_shade_mode = shade_mode;
shade_mode = mode;
if( was_shade == isShade())
return; // no real change in shaded state
if( shade_mode == ShadeNormal )
{
if ( isShown( true ) && isOnCurrentDesktop())
Notify::raise( Notify::ShadeUp );
}
else if( shade_mode == ShadeNone )
{
if( isShown( true ) && isOnCurrentDesktop())
Notify::raise( Notify::ShadeDown );
}
assert( decoration != NULL ); // noborder windows can't be shaded
++block_geometry;
// decorations may turn off some borders when shaded
decoration->borders( border_left, border_right, border_top, border_bottom );
int as = options->animateShade? 10 : 1;
// TODO all this unmapping, resizing etc. feels too much duplicated from elsewhere
if ( isShade())
{ // shade_mode == ShadeNormal
int h = height();
shade_geometry_change = true;
QSize s( sizeForClientSize( QSize( clientSize().width(), 0), SizemodeShaded ) );
XSelectInput( qt_xdisplay(), wrapper, ClientWinMask ); // avoid getting UnmapNotify
XUnmapWindow( qt_xdisplay(), wrapper );
XUnmapWindow( qt_xdisplay(), client );
XSelectInput( qt_xdisplay(), wrapper, ClientWinMask | SubstructureNotifyMask );
// FRAME repaint( FALSE );
// bool wasStaticContents = testWFlags( WStaticContents );
// setWFlags( WStaticContents );
int step = QMAX( 4, QABS( h - s.height() ) / as )+1;
do
{
h -= step;
XResizeWindow( qt_xdisplay(), frameId(), s.width(), h );
resizeDecoration( QSize( s.width(), h ));
QApplication::syncX();
} while ( h > s.height() + step );
// if ( !wasStaticContents )
// clearWFlags( WStaticContents );
shade_geometry_change = false;
plainResize( s );
if( isActive())
{
if( was_shade_mode == ShadeHover )
workspace()->activateNextClient( this );
else
workspace()->focusToNull();
}
}
else
{
int h = height();
shade_geometry_change = true;
QSize s( sizeForClientSize( clientSize(), SizemodeShaded ));
// FRAME bool wasStaticContents = testWFlags( WStaticContents );
// setWFlags( WStaticContents );
int step = QMAX( 4, QABS( h - s.height() ) / as )+1;
do
{
h += step;
XResizeWindow( qt_xdisplay(), frameId(), s.width(), h );
resizeDecoration( QSize( s.width(), h ));
// assume a border
// we do not have time to wait for X to send us paint events
// FRAME repaint( 0, h - step-5, width(), step+5, TRUE);
QApplication::syncX();
} while ( h < s.height() - step );
// if ( !wasStaticContents )
// clearWFlags( WStaticContents );
shade_geometry_change = false;
plainResize( s );
if( shade_mode == ShadeHover || shade_mode == ShadeActivated )
setActive( TRUE );
XMapWindow( qt_xdisplay(), wrapperId());
XMapWindow( qt_xdisplay(), window());
if ( isActive() )
workspace()->requestFocus( this );
}
--block_geometry;
setGeometry( geometry(), ForceGeometrySet );
info->setState( isShade() ? NET::Shaded : 0, NET::Shaded );
info->setState( isShown( false ) ? 0 : NET::Hidden, NET::Hidden );
setMappingState( isShown( false ) && isOnCurrentDesktop() ? NormalState : IconicState );
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
decoration->shadeChange();
}
void Client::shadeHover()
{
setShade( ShadeHover );
delete shadeHoverTimer;
shadeHoverTimer = 0;
}
void Client::toggleShade()
{
// if the mode is ShadeHover or ShadeActive, cancel shade too
setShade( shade_mode == ShadeNone ? ShadeNormal : ShadeNone );
}
void Client::virtualDesktopChange()
{
if( hidden || minimized )
return; // no visibility change
// from here it can be only shaded or normally shown
if( isOnCurrentDesktop())
{
if( !isShade())
setMappingState( NormalState );
rawShow();
}
else
{
if( !isShade())
setMappingState( IconicState );
rawHide();
}
}
/*!
Sets the client window's mapping state. Possible values are
WithdrawnState, IconicState, NormalState.
*/
void Client::setMappingState(int s)
{
assert( client != None );
if( mapping_state == s )
return;
bool was_unmanaged = ( mapping_state == WithdrawnState );
mapping_state = s;
if( mapping_state == WithdrawnState )
{
XDeleteProperty( qt_xdisplay(), window(), qt_wm_state );
return;
}
assert( s == NormalState || s == IconicState );
unsigned long data[2];
data[0] = (unsigned long) s;
data[1] = (unsigned long) None;
XChangeProperty(qt_xdisplay(), window(), qt_wm_state, qt_wm_state, 32,
PropModeReplace, (unsigned char *)data, 2);
if( was_unmanaged ) // force setting the geometry, manage() did block_geometry = 1
{
assert( block_geometry == 1 );
--block_geometry;
setGeometry( frame_geometry, ForceGeometrySet );
}
}
/*!
Reimplemented to map the managed window in the window wrapper.
Proper mapping state should be set before showing the client.
*/
void Client::rawShow()
{
if( decoration != NULL )
decoration->widget()->show(); // not really necessary, but let it know the state
XMapWindow( qt_xdisplay(), frame );
if( !isShade())
{
XMapWindow( qt_xdisplay(), wrapper );
XMapWindow( qt_xdisplay(), client );
}
}
/*!
Reimplemented to unmap the managed window in the window wrapper.
Also informs the workspace.
Proper mapping state should be set before hiding the client.
*/
void Client::rawHide()
{
// Here it may look like a race condition, as some other client might try to unmap
// the window between these two XSelectInput() calls. However, they're supposed to
// use XWithdrawWindow(), which also sends a synthetic event to the root window,
// which won't be missed, so this shouldn't be a problem. The chance the real UnmapNotify
// will be missed is also very minimal, so I don't think it's needed to grab the server
// here.
XSelectInput( qt_xdisplay(), wrapper, ClientWinMask ); // avoid getting UnmapNotify
XUnmapWindow( qt_xdisplay(), frame );
XUnmapWindow( qt_xdisplay(), wrapper );
XUnmapWindow( qt_xdisplay(), client );
XSelectInput( qt_xdisplay(), wrapper, ClientWinMask | SubstructureNotifyMask );
if( decoration != NULL )
decoration->widget()->hide(); // not really necessary, but let it know the state
workspace()->clientHidden( this );
}
static void sendClientMessage(Window w, Atom a, long x)
{
XEvent ev;
long mask;
memset(&ev, 0, sizeof(ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = w;
ev.xclient.message_type = a;
ev.xclient.format = 32;
ev.xclient.data.l[0] = x;
ev.xclient.data.l[1] = qt_x_time;
mask = 0L;
if (w == qt_xrootwin())
mask = SubstructureRedirectMask; /* magic! */
XSendEvent(qt_xdisplay(), w, False, mask, &ev);
}
/*
Returns whether the window may be closed (have a close button)
*/
bool Client::isCloseable() const
{
return motif_may_close && ( !isSpecialWindow() || isOverride()); // TODO is NET::Override special?
}
/*!
Closes the window by either sending a delete_window message or
using XKill.
*/
void Client::closeWindow()
{
if( !isCloseable())
return;
if ( Pdeletewindow )
{
Notify::raise( Notify::Close );
sendClientMessage( window(), atoms->wm_protocols, atoms->wm_delete_window);
pingWindow();
}
else
{
// client will not react on wm_delete_window. We have not choice
// but destroy his connection to the XServer.
killWindow();
}
}
/*!
Kills the window via XKill
*/
void Client::killWindow()
{
kdDebug( 1212 ) << "Client::killWindow():" << caption() << endl;
// not sure if we need an Notify::Kill or not.. until then, use
// Notify::Close
Notify::raise( Notify::Close );
if( isDialog())
Notify::raise( Notify::TransDelete );
if( isNormalWindow())
Notify::raise( Notify::Delete );
killProcess( false );
// always kill this client at the server
XKillClient(qt_xdisplay(), window() );
destroyClient();
}
// send a ping to the window using _NET_WM_PING if possible
// if it doesn't respond within a reasonable time, it will be
// killed
void Client::pingWindow()
{
if( !Pping )
return; // can't ping :(
if( ping_timer != NULL )
return; // pinging already
ping_timer = new QTimer( this );
connect( ping_timer, SIGNAL( timeout()), SLOT( pingTimeout()));
ping_timer->start( 5000, true ); // give it 5 seconds
ping_timestamp = qt_x_time;
workspace()->sendPingToWindow( window(), ping_timestamp );
}
void Client::gotPing( Time timestamp )
{
if( timestamp != ping_timestamp )
return;
delete ping_timer;
ping_timer = NULL;
if( process_killer != NULL )
{
process_killer->kill();
delete process_killer;
process_killer = NULL;
}
}
void Client::pingTimeout()
{
kdDebug( 1212 ) << "Ping timeout:" << caption() << endl;
delete ping_timer;
ping_timer = NULL;
killProcess( true, ping_timestamp );
}
void Client::killProcess( bool ask, Time timestamp )
{
if( process_killer != NULL )
return;
Q_ASSERT( !ask || timestamp != CurrentTime );
QCString machine = wmClientMachine();
pid_t pid = info->pid();
if( pid <= 0 || machine.isEmpty()) // needed properties missing
return;
kdDebug( 1212 ) << "Kill process:" << pid << "(" << machine << ")" << endl;
if( !ask )
{
if( machine != "localhost" )
{
KProcess proc;
proc << "xon" << machine << "kill" << pid;
proc.start( KProcess::DontCare );
}
else
::kill( pid, SIGTERM );
}
else
{ // SELI TODO handle the window created by handler specially (on top,urgent?)
process_killer = new KProcess( this );
*process_killer << KStandardDirs::findExe( "kwin_killer_helper" )
<< "--pid" << QCString().setNum( pid ) << "--hostname" << machine
<< "--windowname" << caption().utf8()
<< "--applicationname" << resourceClass()
<< "--wid" << QCString().setNum( window())
<< "--timestamp" << QCString().setNum( timestamp );
connect( process_killer, SIGNAL( processExited( KProcess* )),
SLOT( processKillerExited()));
if( !process_killer->start( KProcess::NotifyOnExit ))
{
delete process_killer;
process_killer = NULL;
return;
}
}
}
void Client::processKillerExited()
{
kdDebug( 1212 ) << "Killer exited" << endl;
delete process_killer;
process_killer = NULL;
}
void Client::setSkipTaskbar( bool b, bool from_outside )
{
if( from_outside )
original_skip_taskbar = b;
if ( b == skipTaskbar() )
return;
skip_taskbar = b;
info->setState( b?NET::SkipTaskbar:0, NET::SkipTaskbar );
}
void Client::setSkipPager( bool b )
{
if ( b == skipPager() )
return;
skip_pager = b;
info->setState( b?NET::SkipPager:0, NET::SkipPager );
}
void Client::setModal( bool m )
{ // Qt-3.2 can have even modal normal windows :(
if( modal == m )
return;
modal = m;
if( !modal )
return;
// changing modality for a mapped window is weird (?)
// _NET_WM_STATE_MODAL should possibly rather be _NET_WM_WINDOW_TYPE_MODAL_DIALOG
}
void Client::toggleOnAllDesktops()
{
setOnAllDesktops( !isOnAllDesktops());
}
void Client::setDesktop( int desktop )
{
if( desk == desktop )
return;
int was_desk = desk;
desk = desktop;
info->setDesktop( desktop );
if(( was_desk == NET::OnAllDesktops ) != ( desktop == NET::OnAllDesktops ))
{ // onAllDesktops changed
if ( isShown( true ))
Notify::raise( isOnAllDesktops() ? Notify::OnAllDesktops : Notify::NotOnAllDesktops );
workspace()->updateOnAllDesktopsOfTransients( this );
}
if( decoration != NULL )
decoration->desktopChange();
virtualDesktopChange(); // hide/show if needed
}
void Client::setOnAllDesktops( bool b )
{
if(( b && isOnAllDesktops())
|| ( !b && !isOnAllDesktops()))
return;
if( b )
setDesktop( NET::OnAllDesktops );
else
setDesktop( workspace()->currentDesktop());
}
bool Client::isOnCurrentDesktop() const
{
return isOnDesktop( workspace()->currentDesktop());
}
/*!
Puts the focus on this window. Clients should never calls this
themselves, instead they should use Workspace::requestFocus().
*/
void Client::takeFocus( bool force, allowed_t )
{
if ( !force && ( isTopMenu() || isDock() || isSplash()) )
return; // toplevel menus and dock windows don't take focus if not forced
#ifndef NDEBUG
static Time previous_focus_timestamp;
static Client* previous_client;
if( previous_focus_timestamp == qt_x_time && previous_client != this )
{
kdWarning( 1212 ) << "Repeated use of the same X timestamp for focus" << endl;
kdDebug( 1212 ) << kdBacktrace() << endl;
}
previous_focus_timestamp = qt_x_time;
previous_client = this;
#endif
if ( input )
{
XSetInputFocus( qt_xdisplay(), window(), RevertToPointerRoot, qt_x_time );
}
if ( Ptakefocus )
sendClientMessage(window(), atoms->wm_protocols, atoms->wm_take_focus);
}
/*!
Returns whether the window provides context help or not. If it does,
you should show a help menu item or a help button like '?' and call
contextHelp() if this is invoked.
\sa contextHelp()
*/
bool Client::providesContextHelp() const
{
return Pcontexthelp;
}
/*!
Invokes context help on the window. Only works if the window
actually provides context help.
\sa providesContextHelp()
*/
void Client::showContextHelp()
{
if ( Pcontexthelp )
{
sendClientMessage(window(), atoms->wm_protocols, atoms->net_wm_context_help);
QWhatsThis::enterWhatsThisMode(); // SELI?
}
}
/*!
Fetches the window's caption (WM_NAME property). It will be
stored in the client's caption().
*/
KWIN_COMPARE_PREDICATE( FetchNameInternalPredicate, const Client*, (!cl->isSpecialWindow() || cl->isToolbar()) && cl != value && cl->caption() == value->caption());
void Client::fetchName()
{
QString s;
if ( info->name() && info->name()[ 0 ] != '\0' )
s = QString::fromUtf8( info->name() );
else
s = KWin::readNameProperty( window(), XA_WM_NAME );
if ( s != cap_normal )
{
bool reset_name = cap_normal.isEmpty();
for( unsigned int i = 0;
i < s.length();
++i )
if( !s[ i ].isPrint())
s[ i ] = ' ';
cap_normal = s;
bool was_suffix = ( !cap_suffix.isEmpty());
cap_suffix = QString::null;
if ( ( !isSpecialWindow() || isToolbar()) && workspace()->findClient( FetchNameInternalPredicate( this )))
{
int i = 2;
do
{
cap_suffix = " <" + QString::number(i) + ">";
i++;
} while ( workspace()->findClient( FetchNameInternalPredicate( this )));
info->setVisibleName( caption().utf8() );
reset_name = false;
}
if(( was_suffix && cap_suffix.isEmpty()
|| reset_name )) // if it was new window, it may have old value still set, if the window is reused
{
info->setVisibleName( "" ); // remove
info->setVisibleIconName( "" ); // remove
}
else if( !cap_suffix.isEmpty() && !cap_iconic.isEmpty()) // keep the same suffix in iconic name if it's set
info->setVisibleIconName( ( cap_iconic + cap_suffix ).utf8() );
if( isManaged() && decoration != NULL )
decoration->captionChange();
}
}
void Client::fetchIconicName()
{
QString s;
if ( info->iconName() && info->iconName()[ 0 ] != '\0' )
s = QString::fromUtf8( info->iconName() );
else
s = KWin::readNameProperty( window(), XA_WM_ICON_NAME );
if ( s != cap_iconic )
{
cap_iconic = s;
if( !cap_suffix.isEmpty() && !cap_iconic.isEmpty()) // keep the same suffix in iconic name if it's set
info->setVisibleIconName( ( s + cap_suffix ).utf8() );
}
}
/*!\reimp
*/
QString Client::caption() const
{
return cap_normal + cap_suffix;
}
void Client::getWMHints()
{
XWMHints *hints = XGetWMHints(qt_xdisplay(), window() );
input = true;
window_group = None;
urgency = false;
if ( hints )
{
if( hints->flags & InputHint )
input = hints->input;
if( hints->flags & WindowGroupHint )
window_group = hints->window_group;
urgency = ( hints->flags & UrgencyHint ) ? true : false; // true/false needed, it's uint bitfield
XFree( (char*)hints );
}
checkGroup();
updateUrgency();
updateAllowedActions(); // group affects isMinimizable()
}
void Client::readIcons( Window win, QPixmap* icon, QPixmap* miniicon )
{
// get the icons, allow scaling
if( icon != NULL )
*icon = KWin::icon( win, 32, 32, TRUE, KWin::NETWM | KWin::WMHints );
if( miniicon != NULL )
if( icon == NULL || !icon->isNull())
*miniicon = KWin::icon( win, 16, 16, TRUE, KWin::NETWM | KWin::WMHints );
else
*miniicon = QPixmap();
}
void Client::getIcons()
{
// first read icons from the window itself
readIcons( window(), &icon_pix, &miniicon_pix );
if( icon_pix.isNull())
{ // then try window group
icon_pix = group()->icon();
miniicon_pix = group()->miniIcon();
}
if( icon_pix.isNull() && isTransient())
{ // then mainclients
ClientList mainclients = mainClients();
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end() && icon_pix.isNull();
++it )
{
icon_pix = (*it)->icon();
miniicon_pix = (*it)->miniIcon();
}
}
if( icon_pix.isNull())
{ // and if nothing else, load icon from classhint or xapp icon
icon_pix = KWin::icon( window(), 32, 32, TRUE, KWin::ClassHint | KWin::XApp );
miniicon_pix = KWin::icon( window(), 16, 16, TRUE, KWin::ClassHint | KWin::XApp );
}
if( isManaged() && decoration != NULL )
decoration->iconChange();
}
void Client::getWindowProtocols()
{
Atom *p;
int i,n;
Pdeletewindow = 0;
Ptakefocus = 0;
Pcontexthelp = 0;
Pping = 0;
if (XGetWMProtocols(qt_xdisplay(), window(), &p, &n))
{
for (i = 0; i < n; i++)
if (p[i] == atoms->wm_delete_window)
Pdeletewindow = 1;
else if (p[i] == atoms->wm_take_focus)
Ptakefocus = 1;
else if (p[i] == atoms->net_wm_context_help)
Pcontexthelp = 1;
else if (p[i] == atoms->net_wm_ping)
Pping = 1;
if (n>0)
XFree(p);
}
}
static int nullErrorHandler(Display *, XErrorEvent *)
{
return 0;
}
/*!
Returns WM_WINDOW_ROLE property for a given window.
*/
QCString Client::staticWindowRole(WId w)
{
return getStringProperty(w, qt_window_role);
}
/*!
Returns SM_CLIENT_ID property for a given window.
*/
QCString Client::staticSessionId(WId w)
{
return getStringProperty(w, qt_sm_client_id);
}
/*!
Returns WM_COMMAND property for a given window.
*/
QCString Client::staticWmCommand(WId w)
{
return getStringProperty(w, XA_WM_COMMAND, ' ');
}
/*!
Returns WM_CLIENT_MACHINE property for a given window.
Local machine is always returned as "localhost".
*/
QCString Client::staticWmClientMachine(WId w)
{
QCString result = getStringProperty(w, XA_WM_CLIENT_MACHINE);
if (result.isEmpty())
{
result = "localhost";
}
else
{
// special name for the local machine (localhost)
char hostnamebuf[80];
if (gethostname (hostnamebuf, sizeof hostnamebuf) >= 0)
{
hostnamebuf[sizeof(hostnamebuf)-1] = 0;
if (result == hostnamebuf)
result = "localhost";
char *dot = strchr(hostnamebuf, '.');
if (dot && !(*dot = 0) && result == hostnamebuf)
result = "localhost";
}
}
return result;
}
/*!
Returns WM_CLIENT_LEADER property for a given window.
*/
Window Client::staticWmClientLeader(WId w)
{
Atom type;
int format, status;
unsigned long nitems = 0;
unsigned long extra = 0;
unsigned char *data = 0;
Window result = w;
XErrorHandler oldHandler = XSetErrorHandler(nullErrorHandler);
status = XGetWindowProperty( qt_xdisplay(), w, atoms->wm_client_leader, 0, 10000,
FALSE, XA_WINDOW, &type, &format,
&nitems, &extra, &data );
XSetErrorHandler(oldHandler);
if (status == Success )
{
if (data && nitems > 0)
result = *((Window*) data);
XFree(data);
}
return result;
}
void Client::getWmClientLeader()
{
wmClientLeaderWin = staticWmClientLeader(window());
}
/*!
Returns sessionId for this client,
taken either from its window or from the leader window.
*/
QCString Client::sessionId()
{
QCString result = staticSessionId(window());
if (result.isEmpty() && wmClientLeaderWin && wmClientLeaderWin!=window())
result = staticSessionId(wmClientLeaderWin);
return result;
}
/*!
Returns command property for this client,
taken either from its window or from the leader window.
*/
QCString Client::wmCommand()
{
QCString result = staticWmCommand(window());
if (result.isEmpty() && wmClientLeaderWin && wmClientLeaderWin!=window())
result = staticWmCommand(wmClientLeaderWin);
return result;
}
/*!
Returns client machine for this client,
taken either from its window or from the leader window.
*/
QCString Client::wmClientMachine() const
{
QCString result = staticWmClientMachine(window());
if (result.isEmpty() && wmClientLeaderWin && wmClientLeaderWin!=window())
result = staticWmClientMachine(wmClientLeaderWin);
return result;
}
/*!
Returns client leader window for this client.
Returns the client window itself if no leader window is defined.
*/
Window Client::wmClientLeader() const
{
if (wmClientLeaderWin)
return wmClientLeaderWin;
return window();
}
bool Client::wantsTabFocus() const
{
return ( isNormalWindow() || isDialog() || isOverride())
&& ( input || Ptakefocus ) && !skip_taskbar;
}
bool Client::wantsInput() const
{
return input;
}
/*!
Returns whether the window is moveable or has a fixed
position. !isMovable implies !isResizable.
*/
bool Client::isMovable() const
{
return motif_may_move && !isFullScreen() &&
( !isSpecialWindow() || isOverride() || isSplash() || isToolbar()) && // allow moving of splashscreens :)
( maximizeMode() != MaximizeFull || options->moveResizeMaximizedWindows() );
}
bool Client::isDesktop() const
{
return windowType() == NET::Desktop;
}
bool Client::isDock() const
{
return windowType() == NET::Dock;
}
bool Client::isTopMenu() const
{
return windowType() == NET::TopMenu;
}
bool Client::isMenu() const
{
return windowType() == NET::Menu && !isTopMenu(); // because of backwards comp.
}
bool Client::isToolbar() const
{
return windowType() == NET::Toolbar;
}
bool Client::isOverride() const
{
return windowType() == NET::Override;
}
bool Client::isSplash() const
{
return windowType() == NET::Splash;
}
bool Client::isUtility() const
{
return windowType() == NET::Utility;
}
bool Client::isDialog() const
{
return windowType() == NET::Dialog;
}
bool Client::isNormalWindow() const
{
return windowType() == NET::Normal;
}
bool Client::isSpecialWindow() const
{
return isDesktop() || isDock() || isSplash() || isTopMenu()
|| ( isOverride() && !isFullScreen())// SELI is NET::Override special or not?
|| isToolbar(); // TODO
}
NET::WindowType Client::windowType( bool strict, int supported_types ) const
{
NET::WindowType wt = info->windowType( supported_types );
// TODO is this 'strict' really needed (and used?)
if( !strict )
{ // hacks here
if( wt == NET::Menu )
{
// ugly hack to support the times when NET::Menu meant NET::TopMenu
// if it's as wide as the screen, not very high and has its upper-left
// corner a bit above the screen's upper-left cornet, it's a topmenu
if( x() == 0 && y() < 0 && y() > -10 && height() < 100
&& abs( width() - workspace()->clientArea( FullArea, this ).width()) < 10 )
wt = NET::TopMenu;
}
const char* const oo_prefix = "openoffice.org"; // QCString has no startsWith()
// oo_prefix is lowercase, because resourceClass() is forced to be lowercase
if( qstrncmp( resourceClass(), oo_prefix, strlen( oo_prefix )) == 0 && wt == NET::Dialog )
wt = NET::Normal; // see bug #66065
if( wt == NET::Unknown ) // this is more or less suggested in NETWM spec
wt = isTransient() ? NET::Dialog : NET::Normal;
}
return wt;
}
/*!
Sets an appropriate cursor shape for the logical mouse position \a m
*/
void Client::setCursor( Position m )
{
if ( !isResizable() || isShade() || noBorder())
{
setCursor( arrowCursor );
return;
}
switch ( m )
{
case PositionTopLeft:
case PositionBottomRight:
setCursor( sizeFDiagCursor );
break;
case PositionBottomLeft:
case PositionTopRight:
setCursor( sizeBDiagCursor );
break;
case PositionTop:
case PositionBottom:
setCursor( sizeVerCursor );
break;
case PositionLeft:
case PositionRight:
setCursor( sizeHorCursor );
break;
default:
setCursor( arrowCursor );
break;
}
}
// TODO mit nejake checkCursor(), ktere se zavola v manage() a pri vecech, kdy by se kurzor mohl zmenit?
void Client::setCursor( const QCursor& c )
{
if( c.handle() == cursor.handle())
return;
cursor = c;
if( decoration != NULL )
decoration->widget()->setCursor( cursor );
XDefineCursor( qt_xdisplay(), frameId(), cursor.handle());
}
Client::Position Client::mousePosition( const QPoint& p ) const
{
if( decoration != NULL )
return decoration->mousePosition( p );
return PositionCenter;
}
void Client::updateAllowedActions( bool force )
{
if( !isManaged() && !force )
return;
unsigned long old_allowed_actions = allowed_actions;
allowed_actions = 0;
if( isMovable())
allowed_actions |= NET::ActionMove;
if( isResizable())
allowed_actions |= NET::ActionResize;
if( isMinimizable())
allowed_actions |= NET::ActionMinimize;
if( isShadeable())
allowed_actions |= NET::ActionShade;
// sticky state not supported
if( isMaximizable())
allowed_actions |= NET::ActionMax;
if( userCanSetFullScreen())
allowed_actions |= NET::ActionFullScreen;
allowed_actions |= NET::ActionChangeDesktop; // always (pagers shouldn't show Docks etc.)
if( isCloseable())
allowed_actions |= NET::ActionClose;
if( old_allowed_actions == allowed_actions )
return;
// TODO this could be delayed and compressed - it's only for pagers etc. anyway
info->setAllowedActions( allowed_actions );
// TODO this should also tell the decoration, so that it can update the buttons
}
void Client::autoRaise()
{
workspace()->raiseClient( this );
delete autoRaiseTimer;
autoRaiseTimer = 0;
}
void Client::cancelAutoRaise()
{
delete autoRaiseTimer;
autoRaiseTimer = 0;
}
#ifdef NDEBUG
kndbgstream& operator<<( kndbgstream& stream, const Client* ) { return stream; }
kndbgstream& operator<<( kndbgstream& stream, const ClientList& ) { return stream; }
kndbgstream& operator<<( kndbgstream& stream, const ConstClientList& ) { return stream; }
#else
kdbgstream& operator<<( kdbgstream& stream, const Client* cl )
{
if( cl == NULL )
return stream << "\'NULL_CLIENT\'";
return stream << "\'ID:" << cl->window() << ";WMCLASS:" << cl->resourceClass() << ":" << cl->resourceName() << ";Caption:" << cl->caption() << "\'";
}
kdbgstream& operator<<( kdbgstream& stream, const ClientList& list )
{
stream << "LIST:(";
bool first = true;
for( ClientList::ConstIterator it = list.begin();
it != list.end();
++it )
{
if( !first )
stream << ":";
first = false;
stream << *it;
}
stream << ")";
return stream;
}
kdbgstream& operator<<( kdbgstream& stream, const ConstClientList& list )
{
stream << "LIST:(";
bool first = true;
for( ConstClientList::ConstIterator it = list.begin();
it != list.end();
++it )
{
if( !first )
stream << ":";
first = false;
stream << *it;
}
stream << ")";
return stream;
}
#endif
QPixmap * kwin_get_menu_pix_hack()
{
static QPixmap p;
if ( p.isNull() )
p = SmallIcon( "bx2" );
return &p;
}
} // namespace
#include "client.moc"
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