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kwin/client.cpp

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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>
#include <QPainter>
#include <QDateTime>
#include <kprocess.h>
#include <unistd.h>
#include <kstandarddirs.h>
#include <QWhatsThis>
#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 "rules.h"
#include "scene.h"
#include "effects.h"
#include "deleted.h"
#include <X11/extensions/shape.h>
#include <QX11Info>
// put all externs before the namespace statement to allow the linker
// to resolve them properly
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 )
: Toplevel( ws ),
client( None ),
wrapper( None ),
decoration( NULL ),
bridge( new Bridge( this )),
move_faked_activity( false ),
move_resize_grab_window( None ),
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_updates( 0 ),
pending_geometry_update( false ),
shade_geometry_change( false ),
border_left( 0 ),
border_right( 0 ),
border_top( 0 ),
border_bottom( 0 ),
sm_stacking_order( -1 ),
demandAttentionKNotifyTimer( NULL )
// 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;
deleting = false;
keep_above = false;
keep_below = false;
motif_noborder = 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;
ignore_focus_stealing = false;
demands_attention = false;
check_active_modal = false;
Pdeletewindow = 0;
Ptakefocus = 0;
Ptakeactivity = 0;
Pcontexthelp = 0;
Pping = 0;
input = false;
skip_pager = false;
max_mode = MaximizeRestore;
maxmode_restore = MaximizeRestore;
cmap = None;
geom = 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( wrapper == None );
// assert( frameId() == None );
assert( decoration == NULL );
assert( block_geometry_updates == 0 );
assert( !check_active_modal );
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 )
{
assert( !deleting );
deleting = true;
Deleted* del = Deleted::create( this );
if( effects )
{
effects->windowClosed( effectWindow());
scene->windowClosed( this, del );
}
finishCompositing();
workspace()->discardUsedWindowRules( this, true ); // remove ForceTemporarily rules
StackingUpdatesBlocker blocker( workspace());
if (moveResizeMode)
leaveMoveResize();
finishWindowRules();
++block_geometry_updates;
if( isOnCurrentDesktop() && isShown( true ))
workspace()->addRepaint( geometry());
setMappingState( WithdrawnState );
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( display(), 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( display(), client, atoms->kde_net_wm_user_creation_time);
XDeleteProperty( display(), client, atoms->net_frame_extents );
XDeleteProperty( display(), client, atoms->kde_net_wm_frame_strut );
XReparentWindow( display(), client, workspace()->rootWin(), x(), y());
XRemoveFromSaveSet( display(), client );
XSelectInput( display(), client, NoEventMask );
if( on_shutdown )
{ // map the window, so it can be found after another WM is started
XMapWindow( display(), 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( display(), client );
}
client = None;
XDestroyWindow( display(), wrapper );
wrapper = None;
XDestroyWindow( display(), frameId());
// frame = None;
--block_geometry_updates; // don't use GeometryUpdatesBlocker, it would now set the geometry
disownDataPassedToDeleted();
del->unrefWindow();
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()
{
assert( !deleting );
deleting = true;
Deleted* del = Deleted::create( this );
if( effects )
{
effects->windowClosed( effectWindow());
scene->windowClosed( this, del );
}
finishCompositing();
workspace()->discardUsedWindowRules( this, true ); // remove ForceTemporarily rules
StackingUpdatesBlocker blocker( workspace());
if (moveResizeMode)
leaveMoveResize();
finishWindowRules();
++block_geometry_updates;
if( isOnCurrentDesktop() && isShown( true ))
workspace()->addRepaint( 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( display(), wrapper );
wrapper = None;
XDestroyWindow( display(), frameId());
// frame = None;
--block_geometry_updates; // don't use GeometryUpdatesBlocker, it would now set the geometry
disownDataPassedToDeleted();
del->unrefWindow();
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;
blockGeometryUpdates( true );
if( force )
destroyDecoration();
if( !noBorder())
{
decoration = workspace()->createDecoration( bridge );
// TODO check decoration's minimum size?
decoration->init();
decoration->widget()->installEventFilter( this );
XReparentWindow( display(), 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 ));
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
workarea_diff_x = save_workarea_diff_x;
workarea_diff_y = save_workarea_diff_y;
do_show = true;
if( compositing() )
discardWindowPixmap();
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
}
else
destroyDecoration();
if( check_workspace_pos )
checkWorkspacePosition();
blockGeometryUpdates( false );
if( do_show )
decoration->widget()->show();
updateFrameExtents();
}
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;
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
move( grav );
workarea_diff_x = save_workarea_diff_x;
workarea_diff_y = save_workarea_diff_y;
if( compositing() )
discardWindowPixmap();
if( scene != NULL && !deleting )
scene->windowGeometryShapeChanged( this );
}
}
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;
GeometryUpdatesBlocker blocker( this );
move( calculateGravitation( true ));
border_left = new_left;
border_right = new_right;
border_top = new_top;
border_bottom = new_bottom;
if (border_left != new_left ||
border_right != new_right ||
border_top != new_top ||
border_bottom != new_bottom)
move( calculateGravitation( false ));
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
checkWorkspacePosition();
}
void Client::detectNoBorder()
{
if( shape())
{
noborder = true;
return;
}
switch( windowType())
{
case NET::Desktop :
case NET::Dock :
case NET::TopMenu :
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 );
}
// NET::Override is some strange beast without clear definition, usually
// just meaning "noborder", so let's treat it only as such flag, and ignore it as
// a window type otherwise (SUPPORTED_WINDOW_TYPES_MASK doesn't include it)
if( info->windowType( SUPPORTED_WINDOW_TYPES_MASK | NET::OverrideMask ) == NET::Override )
noborder = true;
}
void Client::updateFrameExtents()
{
NETStrut strut;
strut.left = border_left;
strut.right = border_right;
strut.top = border_top;
strut.bottom = border_bottom;
info->setFrameExtents( 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 || motif_noborder;
}
bool Client::userCanSetNoBorder() const
{
return !noborder && !isFullScreen() && !isShade();
}
bool Client::isUserNoBorder() const
{
return user_noborder;
}
void Client::setUserNoBorder( bool set )
{
if( !userCanSetNoBorder())
return;
set = rules()->checkNoBorder( set );
if( user_noborder == set )
return;
user_noborder = set;
updateDecoration( true, false );
updateWindowRules();
}
void Client::updateShape()
{
if ( shape() )
XShapeCombineShape(display(), frameId(), ShapeBounding,
clientPos().x(), clientPos().y(),
window(), ShapeBounding, ShapeSet);
else
XShapeCombineMask( display(), frameId(), ShapeBounding, 0, 0,
None, ShapeSet);
if( compositing() )
discardWindowPixmap();
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
// 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.isEmpty())
XShapeCombineMask( display(), frameId(), ShapeBounding, 0, 0,
None, ShapeSet );
else if( mode == X::Unsorted )
XShapeCombineRegion( display(), frameId(), ShapeBounding, 0, 0,
reg.handle(), ShapeSet );
else
{
QVector< QRect > rects = reg.rects();
XRectangle* xrects = new XRectangle[ rects.count() ];
for( 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( display(), frameId(), ShapeBounding, 0, 0,
xrects, rects.count(), ShapeSet, mode );
delete[] xrects;
}
if( compositing() )
discardWindowPixmap();
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
}
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;
updateVisibility();
}
/*
Returns whether the window is minimizable or not
*/
bool Client::isMinimizable() const
{
if( isSpecialWindow())
return false;
if( isTransient())
{ // #66868 - let other xmms windows be minimized when the mainwindow is minimized
bool shown_mainwindow = false;
ClientList mainclients = mainClients();
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end();
++it )
{
if( (*it)->isShown( true ))
shown_mainwindow = true;
}
if( !shown_mainwindow )
return true;
}
// this is here because kicker's taskbar doesn't provide separate entries
// for windows with an explicitly given parent
// TODO perhaps this should be redone
if( transientFor() != NULL )
return false;
if( !wantsTabFocus()) // SELI - NET::Utility? why wantsTabFocus() - skiptaskbar? ?
return false;
return true;
}
/*!
Minimizes this client plus its transients
*/
void Client::minimize( bool avoid_animation )
{
if ( !isMinimizable() || isMinimized())
return;
Notify::raise( Notify::Minimize );
// SELI mainClients().isEmpty() ??? - and in unminimize() too
if ( mainClients().isEmpty() && isOnCurrentDesktop() && isShown( true ) && !avoid_animation )
animateMinimizeOrUnminimize( true ); // was visible or shaded
minimized = true;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
updateWindowRules();
workspace()->updateFocusChains( this, Workspace::FocusChainMakeLast );
if( effects )
effects->windowMinimized( effectWindow());
}
void Client::unminimize( bool avoid_animation )
{
if( !isMinimized())
return;
Notify::raise( Notify::UnMinimize );
minimized = false;
if( isOnCurrentDesktop() && isShown( true ))
{
if( mainClients().isEmpty() && !avoid_animation )
animateMinimizeOrUnminimize( false );
}
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
updateWindowRules();
if( effects )
effects->windowUnminimized( effectWindow());
}
QRect Client::iconGeometry() const
{
NETRect r = info->iconGeometry();
QRect geom( r.pos.x, r.pos.y, r.size.width, r.size.height );
if( geom.isValid() )
return geom;
else
{
// Check all mainwindows of this window (recursively)
foreach( Client* mainwin, mainClients() )
{
geom = mainwin->iconGeometry();
if( geom.isValid() )
return geom;
}
// No mainwindow (or their parents) with icon geometry was found
return QRect();
}
}
extern bool blockAnimation;
void Client::animateMinimizeOrUnminimize( bool minimize )
{
#ifdef __GNUC__
#warning implement kwin animation
#endif
if ( 1 || 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 );
QRect icongeom = iconGeometry();
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( rootWindow(), 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(display());
XSync( display(), 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(), Qt::AlignLeft|Qt::AlignVCenter|Qt::TextSingleLine, caption() );
return pm;
}
bool Client::isShadeable() const
{
return !isSpecialWindow() && !noBorder();
}
void Client::setShade( ShadeMode mode )
{
if( !isShadeable())
return;
mode = rules()->checkShade( mode );
if( shade_mode == mode )
return;
bool was_shade = isShade();
ShadeMode was_shade_mode = shade_mode;
shade_mode = mode;
if( was_shade == isShade())
{
if( decoration != NULL ) // decoration may want to update after e.g. hover-shade changes
decoration->shadeChange();
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
GeometryUpdatesBlocker blocker( this );
// 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
workspace()->addRepaint( geometry());
// shade
int h = height();
shade_geometry_change = true;
QSize s( sizeForClientSize( QSize( clientSize())));
s.setHeight( border_top + border_bottom );
XSelectInput( display(), wrapper, ClientWinMask ); // avoid getting UnmapNotify
XUnmapWindow( display(), wrapper );
XUnmapWindow( display(), client );
XSelectInput( display(), 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( display(), frameId(), s.width(), h );
resizeDecoration( QSize( s.width(), h ));
QApplication::syncX();
} while ( h > s.height() + step );
// if ( !wasStaticContents )
// clearWFlags( WStaticContents );
plainResize( s );
shade_geometry_change = false;
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()));
// FRAME bool wasStaticContents = testWFlags( WStaticContents );
// setWFlags( WStaticContents );
int step = qMax( 4, QABS( h - s.height() ) / as )+1;
do
{
h += step;
XResizeWindow( display(), 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( display(), wrapperId());
XMapWindow( display(), window());
if ( isActive() )
workspace()->requestFocus( this );
}
checkMaximizeGeometry();
info->setState( isShade() ? NET::Shaded : 0, NET::Shaded );
info->setState( isShown( false ) ? 0 : NET::Hidden, NET::Hidden );
discardWindowPixmap();
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
decoration->shadeChange();
updateWindowRules();
}
void Client::shadeHover()
{
setShade( ShadeHover );
cancelShadeHover();
}
void Client::cancelShadeHover()
{
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::updateVisibility()
{
if( deleting )
return;
bool show = true;
if( hidden )
{
setMappingState( IconicState );
info->setState( NET::Hidden, NET::Hidden );
setSkipTaskbar( true, false ); // also hide from taskbar
rawHide();
show = false;
}
else
{
setSkipTaskbar( original_skip_taskbar, false );
}
if( minimized )
{
setMappingState( IconicState );
info->setState( NET::Hidden, NET::Hidden );
rawHide();
show = false;
}
if( show )
info->setState( 0, NET::Hidden );
if( !isOnCurrentDesktop())
{
setMappingState( IconicState );
rawHide();
show = false;
}
if( show )
{
bool belongs_to_desktop = false;
for( ClientList::ConstIterator it = group()->members().begin();
it != group()->members().end();
++it )
if( (*it)->isDesktop())
{
belongs_to_desktop = true;
break;
}
if( !belongs_to_desktop && workspace()->showingDesktop())
workspace()->resetShowingDesktop( true );
if( isShade())
setMappingState( IconicState );
else
setMappingState( NormalState );
rawShow();
}
}
/*!
Sets the client window's mapping state. Possible values are
WithdrawnState, IconicState, NormalState.
*/
void Client::setMappingState(int s)
{
assert( client != None );
assert( !deleting || s == WithdrawnState );
if( mapping_state == s )
return;
bool was_unmanaged = ( mapping_state == WithdrawnState );
mapping_state = s;
if( mapping_state == WithdrawnState )
{
XDeleteProperty( display(), window(), atoms->wm_state );
return;
}
assert( s == NormalState || s == IconicState );
unsigned long data[2];
data[0] = (unsigned long) s;
data[1] = (unsigned long) None;
XChangeProperty(display(), window(), atoms->wm_state, atoms->wm_state, 32,
PropModeReplace, (unsigned char *)data, 2);
if( was_unmanaged ) // manage() did block_geometry_updates = 1, now it's ok to finally set the geometry
blockGeometryUpdates( false );
}
/*!
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( display(), frameId());
if( !isShade())
{
XMapWindow( display(), wrapper );
XMapWindow( display(), client );
}
// XComposite invalidates backing pixmaps on unmap (minimize, different
// virtual desktop, etc.). We kept the last known good pixmap around
// for use in effects, but now we want to have access to the new pixmap
if( compositing() )
discardWindowPixmap();
}
/*!
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()
{
workspace()->addRepaint( geometry());
// 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( display(), wrapper, ClientWinMask ); // avoid getting UnmapNotify
XUnmapWindow( display(), frameId());
XUnmapWindow( display(), wrapper );
XUnmapWindow( display(), client );
XSelectInput( display(), wrapper, ClientWinMask | SubstructureNotifyMask );
if( decoration != NULL )
decoration->widget()->hide(); // not really necessary, but let it know the state
workspace()->clientHidden( this );
}
void Client::sendClientMessage(Window w, Atom a, Atom protocol, long data1, long data2, long data3)
{
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] = protocol;
ev.xclient.data.l[1] = xTime();
ev.xclient.data.l[2] = data1;
ev.xclient.data.l[3] = data2;
ev.xclient.data.l[4] = data3;
mask = 0L;
if (w == rootWindow())
mask = SubstructureRedirectMask; /* magic! */
XSendEvent(display(), w, False, mask, &ev);
}
/*
Returns whether the window may be closed (have a close button)
*/
bool Client::isCloseable() const
{
return rules()->checkCloseable( motif_may_close && !isSpecialWindow());
}
/*!
Closes the window by either sending a delete_window message or
using XKill.
*/
void Client::closeWindow()
{
if( !isCloseable())
return;
// Update user time, because the window may create a confirming dialog.
updateUserTime();
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()
{
kDebug( 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(display(), 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( options->killPingTimeout == 0 )
return; // turned off
if( ping_timer != NULL )
return; // pinging already
ping_timer = new QTimer( this );
connect( ping_timer, SIGNAL( timeout()), SLOT( pingTimeout()));
ping_timer->setSingleShot( true );
ping_timer->start( options->killPingTimeout );
ping_timestamp = xTime();
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()
{
kDebug( 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 );
QByteArray machine = wmClientMachine( true );
pid_t pid = info->pid();
if( pid <= 0 || machine.isEmpty()) // needed properties missing
return;
kDebug( 1212 ) << "Kill process:" << pid << "(" << machine << ")" << endl;
if( !ask )
{
if( machine != "localhost" )
{
KProcess proc;
proc << "xon" << machine << "kill" << QString::number( 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" << QByteArray().setNum( pid ) << "--hostname" << machine
<< "--windowname" << caption().toUtf8()
<< "--applicationname" << resourceClass()
<< "--wid" << QString::number( window() )
<< "--timestamp" << QString::number( 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()
{
kDebug( 1212 ) << "Killer exited" << endl;
delete process_killer;
process_killer = NULL;
}
void Client::setSkipTaskbar( bool b, bool from_outside )
{
int was_wants_tab_focus = wantsTabFocus();
if( from_outside )
{
b = rules()->checkSkipTaskbar( b );
original_skip_taskbar = b;
}
if ( b == skipTaskbar() )
return;
skip_taskbar = b;
info->setState( b?NET::SkipTaskbar:0, NET::SkipTaskbar );
updateWindowRules();
if( was_wants_tab_focus != wantsTabFocus())
workspace()->updateFocusChains( this,
isActive() ? Workspace::FocusChainMakeFirst : Workspace::FocusChainUpdate );
}
void Client::setSkipPager( bool b )
{
b = rules()->checkSkipPager( b );
if ( b == skipPager() )
return;
skip_pager = b;
info->setState( b?NET::SkipPager:0, NET::SkipPager );
updateWindowRules();
}
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::setDesktop( int desktop )
{
if( desktop != NET::OnAllDesktops ) // do range check
desktop = qMax( 1, qMin( workspace()->numberOfDesktops(), desktop ));
desktop = rules()->checkDesktop( 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();
workspace()->updateFocusChains( this, Workspace::FocusChainMakeFirst );
updateVisibility();
updateWindowRules();
}
/*!
Returns the virtual desktop within the workspace() the client window
is located in, 0 if it isn't located on any special desktop (not mapped yet),
or NET::OnAllDesktops. Do not use desktop() directly, use
isOnDesktop() instead.
*/
int Client::desktop() const
{
return desk;
}
void Client::setOnAllDesktops( bool b )
{
if(( b && isOnAllDesktops())
|| ( !b && !isOnAllDesktops()))
return;
if( b )
setDesktop( NET::OnAllDesktops );
else
setDesktop( workspace()->currentDesktop());
}
// performs activation and/or raising of the window
void Client::takeActivity( int flags, bool handled, allowed_t )
{
if( !handled || !Ptakeactivity )
{
if( flags & ActivityFocus )
takeFocus( Allowed );
if( flags & ActivityRaise )
workspace()->raiseClient( this );
return;
}
#ifndef NDEBUG
static Time previous_activity_timestamp;
static Client* previous_client;
if( previous_activity_timestamp == xTime() && previous_client != this )
{
kDebug( 1212 ) << "Repeated use of the same X timestamp for activity" << endl;
kDebug( 1212 ) << kBacktrace() << endl;
}
previous_activity_timestamp = xTime();
previous_client = this;
#endif
workspace()->sendTakeActivity( this, xTime(), flags );
}
// performs the actual focusing of the window using XSetInputFocus and WM_TAKE_FOCUS
void Client::takeFocus( allowed_t )
{
#ifndef NDEBUG
static Time previous_focus_timestamp;
static Client* previous_client;
if( previous_focus_timestamp == xTime() && previous_client != this )
{
kDebug( 1212 ) << "Repeated use of the same X timestamp for focus" << endl;
kDebug( 1212 ) << kBacktrace() << endl;
}
previous_focus_timestamp = xTime();
previous_client = this;
#endif
if ( rules()->checkAcceptFocus( input ))
{
XSetInputFocus( display(), window(), RevertToPointerRoot, xTime() );
}
if ( Ptakefocus )
sendClientMessage(window(), atoms->wm_protocols, atoms->wm_take_focus);
workspace()->setShouldGetFocus( this );
}
/*!
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().
*/
void Client::fetchName()
{
setCaption( readName());
}
QString Client::readName() const
{
if ( info->name() && info->name()[ 0 ] != '\0' )
return QString::fromUtf8( info->name() );
else
return KWin::readNameProperty( window(), XA_WM_NAME );
}
KWIN_COMPARE_PREDICATE( FetchNameInternalPredicate, Client, const Client*, (!cl->isSpecialWindow() || cl->isToolbar()) && cl != value && cl->caption() == value->caption());
void Client::setCaption( const QString& _s, bool force )
{
QString s = _s;
if ( s != cap_normal || force )
{
bool reset_name = force;
for( int i = 0;
i < s.length();
++i )
if( !s[ i ].isPrint())
s[ i ] = QChar( ' ' );
cap_normal = s;
bool was_suffix = ( !cap_suffix.isEmpty());
QString machine_suffix;
if( wmClientMachine( false ) != "localhost" && !isLocalMachine( wmClientMachine( false )))
machine_suffix = " <@" + wmClientMachine( true ) + '>';
QString shortcut_suffix = !shortcut().isEmpty() ? ( " {" + shortcut().toString() + '}' ) : QString();
cap_suffix = machine_suffix + shortcut_suffix;
if ( ( !isSpecialWindow() || isToolbar()) && workspace()->findClient( FetchNameInternalPredicate( this )))
{
int i = 2;
do
{
cap_suffix = machine_suffix + " <" + QString::number(i) + '>' + shortcut_suffix;
i++;
} while ( workspace()->findClient( FetchNameInternalPredicate( this )));
info->setVisibleName( caption().toUtf8() );
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 ).toUtf8() );
if( isManaged() && decoration != NULL )
decoration->captionChange();
}
}
void Client::updateCaption()
{
setCaption( cap_normal, true );
}
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 )
{
bool was_set = !cap_iconic.isEmpty();
cap_iconic = s;
if( !cap_suffix.isEmpty())
{
if( !cap_iconic.isEmpty()) // keep the same suffix in iconic name if it's set
info->setVisibleIconName( ( s + cap_suffix ).toUtf8() );
else if( was_set )
info->setVisibleIconName( "" ); //remove
}
}
}
/*!\reimp
*/
QString Client::caption( bool full ) const
{
return full ? cap_normal + cap_suffix : cap_normal;
}
void Client::getWMHints()
{
XWMHints *hints = XGetWMHints(display(), 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::getMotifHints()
{
bool mnoborder, mresize, mmove, mminimize, mmaximize, mclose;
Motif::readFlags( client, mnoborder, mresize, mmove, mminimize, mmaximize, mclose );
motif_noborder = mnoborder;
if( !hasNETSupport()) // NETWM apps should set type and size constraints
{
motif_may_resize = mresize; // this should be set using minsize==maxsize, but oh well
motif_may_move = mmove;
}
else
motif_may_resize = motif_may_move = true;
// mminimize; - ignore, bogus - e.g. shading or sending to another desktop is "minimizing" too
// mmaximize; - ignore, bogus - maximizing is basically just resizing
motif_may_close = mclose; // motif apps like to crash when they set this hint and WM closes them anyway
if( isManaged())
updateDecoration( true ); // check if noborder state has changed
}
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;
Ptakeactivity = 0;
Pcontexthelp = 0;
Pping = 0;
if (XGetWMProtocols(display(), 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_take_activity)
Ptakeactivity = 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);
}
}
bool Client::wantsTabFocus() const
{
return ( isNormalWindow() || isDialog()) && wantsInput();
}
bool Client::wantsInput() const
{
return rules()->checkAcceptFocus( input || Ptakefocus );
}
bool Client::isSpecialWindow() const
{
return isDesktop() || isDock() || isSplash() || isTopMenu()
|| isToolbar(); // TODO
}
/*!
Sets an appropriate cursor shape for the logical mouse position \a m
*/
void Client::setCursor( Position m )
{
if( !isResizable() || isShade())
{
m = PositionCenter;
}
switch ( m )
{
case PositionTopLeft:
case PositionBottomRight:
setCursor( Qt::SizeFDiagCursor );
break;
case PositionBottomLeft:
case PositionTopRight:
setCursor( Qt::SizeBDiagCursor );
break;
case PositionTop:
case PositionBottom:
setCursor( Qt::SizeVerCursor );
break;
case PositionLeft:
case PositionRight:
setCursor( Qt::SizeHorCursor );
break;
default:
if( buttonDown && isMovable())
setCursor( Qt::SizeAllCursor );
else
setCursor( Qt::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( display(), 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 );
cancelAutoRaise();
}
void Client::cancelAutoRaise()
{
delete autoRaiseTimer;
autoRaiseTimer = 0;
}
void Client::debug( kdbgstream& stream ) const
{
stream << "\'ID:" << window() << ";WMCLASS:" << resourceClass() << ":" << resourceName() << ";Caption:" << caption() << "\'";
}
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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