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kwin/client.cpp
Martin Gräßlin 21821f48a4 Less krazy warnings: use prefix ++ instead of postfix. 
SVN_SILENT

svn path=/trunk/KDE/kdebase/workspace/; revision=1063341
2009-12-17 21:35:37 +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>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "client.h"
#include <QApplication>
#include <QPainter>
#include <QDateTime>
#include <QProcess>
#include <unistd.h>
#include <kstandarddirs.h>
#include <QWhatsThis>
#include <kwindowsystem.h>
#include <kiconloader.h>
#include <stdlib.h>
#include <signal.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 "paintredirector.h"
#include "tabbox.h"
#include <X11/extensions/shape.h>
#include <QX11Info>
#ifdef HAVE_XSYNC
#include <X11/extensions/sync.h>
#endif
#ifdef HAVE_XRENDER
#include <X11/extensions/Xrender.h>
#endif
// Put all externs before the namespace statement to allow the linker
// to resolve them properly
namespace KWin
{
// 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 )
, move_resize_has_keyboard_grab( false )
, transient_for( NULL )
, transient_for_id( None )
, original_transient_for_id( None )
, autoRaiseTimer( NULL )
, shadeHoverTimer( NULL )
, delayedMoveResizeTimer( NULL )
, in_group( NULL )
, window_group( None )
, client_group( NULL )
, 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( PendingGeometryNone )
, shade_geometry_change( false )
#ifdef HAVE_XSYNC
, sync_counter( None )
, sync_alarm( None )
#endif
, sync_timeout( NULL )
, sync_resize_pending( false )
, border_left( 0 )
, border_right( 0 )
, border_top( 0 )
, border_bottom( 0 )
, padding_left( 0 )
, padding_right( 0 )
, padding_top( 0 )
, padding_bottom( 0 )
, sm_stacking_order( -1 )
, demandAttentionKNotifyTimer( NULL )
, paintRedirector( 0 )
, electricMaximizing( false )
{ // TODO: Do all as initialization
// Set the initial mapping state
mapping_state = Withdrawn;
quick_tile_mode = QuickTileNone;
geom_pretile = QRect( 0, 0, 0, 0 );
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_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;
app_noborder = false;
motif_noborder = 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;
// TabBoxClient
m_tabBoxClient = new TabBox::TabBoxClientImpl();
m_tabBoxClient->setClient( this );
geom = QRect( 0, 0, 100, 100 ); // So that decorations don't start with size being (0,0)
client_size = QSize( 100, 100 );
#if defined(HAVE_XSYNC) || defined(HAVE_XDAMAGE)
ready_for_painting = false; // wait for first damage or sync reply
#endif
// SELI TODO: Initialize xsizehints??
}
/**
* "Dumb" destructor.
*/
Client::~Client()
{
#ifdef HAVE_XSYNC
if( sync_alarm != None )
XSyncDestroyAlarm( display(), sync_alarm );
#endif
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;
delete m_tabBoxClient;
}
// 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 )
{
static_cast<EffectsHandlerImpl*>(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 ))
addWorkspaceRepaint( visibleRect() );
// Grab X during the release to make removing of properties, setting to withdrawn state
// and repareting to root an atomic operation (http://lists.kde.org/?l=kde-devel&m=116448102901184&w=2)
grabXServer();
exportMappingState( 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( clientGroup() )
clientGroup()->remove( this, QRect(), true );
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, rootWindow(), 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();
checkNonExistentClients();
deleteClient( this, Allowed );
ungrabXServer();
}
/**
* 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 )
{
static_cast<EffectsHandlerImpl*>(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 ))
addWorkspaceRepaint( visibleRect() );
setModal( false );
hidden = true; // So that it's not considered visible anymore
workspace()->clientHidden( this );
destroyDecoration();
cleanGrouping();
if( clientGroup() )
clientGroup()->remove( this, QRect(), true );
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();
checkNonExistentClients();
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;
QRect oldgeom = geometry();
blockGeometryUpdates( true );
if( force )
destroyDecoration();
if( !noBorder() )
{
setMask( QRegion()); // Reset shape mask
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 );
padding_left = padding_right = padding_top = padding_bottom = 0;
if (KDecorationUnstable *deco2 = dynamic_cast<KDecorationUnstable*>(decoration))
deco2->padding( padding_left, padding_right, padding_top, padding_bottom );
XMoveWindow( display(), decoration->widget()->winId(), -padding_left, -padding_top );
move( calculateGravitation( false ));
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
do_show = true;
paintRedirector = new PaintRedirector( decoration->widget());
connect( paintRedirector, SIGNAL( paintPending()), SLOT( repaintDecorationPending()));
resizeDecorationPixmaps();
if( compositing() )
discardWindowPixmap();
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
if( effects != NULL )
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged( effectWindow(), oldgeom );
}
else
destroyDecoration();
if( check_workspace_pos )
checkWorkspacePosition();
blockGeometryUpdates( false );
if( do_show )
decoration->widget()->show();
updateFrameExtents();
}
void Client::destroyDecoration()
{
QRect oldgeom = geometry();
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
plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
move( grav );
delete paintRedirector;
paintRedirector = NULL;
decorationPixmapLeft = decorationPixmapRight = decorationPixmapTop = decorationPixmapBottom = QPixmap();
if( compositing() )
discardWindowPixmap();
if( scene != NULL && !deleting )
scene->windowGeometryShapeChanged( this );
if( effects != NULL && !deleting )
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged( effectWindow(), oldgeom );
}
}
bool Client::checkBorderSizes( bool also_resize )
{
if( decoration == NULL )
return false;
int new_left = 0, new_right = 0, new_top = 0, new_bottom = 0;
if (KDecorationUnstable *deco2 = dynamic_cast<KDecorationUnstable*>(decoration))
deco2->padding( new_left, new_right, new_top, new_bottom );
if (padding_left != new_left || padding_top != new_top)
XMoveWindow( display(), decoration->widget()->winId(), -new_left, -new_top );
padding_left = new_left;
padding_right = new_right;
padding_top = new_top;
padding_bottom = 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 false;
if( !also_resize )
{
border_left = new_left;
border_right = new_right;
border_top = new_top;
border_bottom = new_bottom;
return true;
}
GeometryUpdatesBlocker blocker( this );
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();
return true;
}
void Client::triggerDecorationRepaint()
{
if( decoration != NULL )
decoration->widget()->update();
}
void Client::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, Client::CoordinateMode mode) const
{
QRect r = decoration->widget()->rect();
if (mode == WindowRelative)
r.translate(-padding_left, -padding_top);
NETStrut strut = info->frameOverlap();
// Ignore the overlap strut when compositing is disabled
if (!compositing() || !Workspace::self()->decorationSupportsFrameOverlap())
strut.left = strut.top = strut.right = strut.bottom = 0;
else if (strut.left == -1 && strut.top == -1 && strut.right == -1 && strut.bottom == -1)
{
top = QRect(r.x(), r.y(), r.width(), r.height() / 3);
left = QRect(r.x(), r.y() + top.height(), width() / 2, r.height() / 3);
right = QRect(r.x() + left.width(), r.y() + top.height(), r.width() - left.width(), left.height());
bottom = QRect(r.x(), r.y() + top.height() + left.height(), r.width(), r.height() - left.height() - top.height());
return;
}
top = QRect(r.x(), r.y(), r.width(), padding_top + border_top + strut.top);
bottom = QRect(r.x(), r.y() + r.height() - padding_bottom - border_bottom - strut.bottom,
r.width(), padding_bottom + border_bottom + strut.bottom);
left = QRect(r.x(), r.y() + top.height(),
padding_left + border_left + strut.left, r.height() - top.height() - bottom.height());
right = QRect(r.x() + r.width() - padding_right - border_right - strut.right, r.y() + top.height(),
padding_right + border_right + strut.right, r.height() - top.height() - bottom.height());
}
QRegion Client::decorationPendingRegion() const
{
if (!paintRedirector)
return QRegion();
return paintRedirector->scheduledRepaintRegion().translated( x() - padding_left, y() - padding_top );
}
void Client::repaintDecorationPending()
{
if (compositing())
{
// The scene will update the decoration pixmaps in the next painting pass
// if it has not been already repainted before
const QRegion r = paintRedirector->scheduledRepaintRegion();
if (!r.isEmpty())
Workspace::self()->addRepaint( r.translated( x() - padding_left, y() - padding_top ) );
}
else
ensureDecorationPixmapsPainted();
}
bool Client::decorationPixmapRequiresRepaint()
{
if (!paintRedirector)
return false;
QRegion r = paintRedirector->pendingRegion();
return !r.isEmpty();
}
void Client::ensureDecorationPixmapsPainted()
{
if (!paintRedirector)
return;
QRegion r = paintRedirector->pendingRegion();
if (r.isEmpty())
return;
QPixmap p = paintRedirector->performPendingPaint();
QRect lr, rr, tr, br;
layoutDecorationRects( lr, tr, rr, br, DecorationRelative );
repaintDecorationPixmap( decorationPixmapLeft, lr, p, r );
repaintDecorationPixmap( decorationPixmapRight, rr, p, r );
repaintDecorationPixmap( decorationPixmapTop, tr, p, r );
repaintDecorationPixmap( decorationPixmapBottom, br, p, r );
if (!compositing())
{
// Blit the pixmaps to the frame window
layoutDecorationRects( lr, tr, rr, br, WindowRelative );
#ifdef HAVE_XRENDER
if (Extensions::renderAvailable())
{
XRenderPictFormat* format = XRenderFindVisualFormat( display(), visual());
XRenderPictureAttributes pa;
pa.subwindow_mode = IncludeInferiors;
Picture pic = XRenderCreatePicture( display(), frameId(), format, CPSubwindowMode, &pa );
XRenderComposite( display(), PictOpSrc, decorationPixmapLeft.x11PictureHandle(), None, pic,
0, 0, 0, 0, lr.x(), lr.y(), lr.width(), lr.height() );
XRenderComposite( display(), PictOpSrc, decorationPixmapRight.x11PictureHandle(), None, pic,
0, 0, 0, 0, rr.x(), rr.y(), rr.width(), rr.height() );
XRenderComposite( display(), PictOpSrc, decorationPixmapTop.x11PictureHandle(), None, pic,
0, 0, 0, 0, tr.x(), tr.y(), tr.width(), tr.height() );
XRenderComposite( display(), PictOpSrc, decorationPixmapBottom.x11PictureHandle(), None, pic,
0, 0, 0, 0, br.x(), br.y(), br.width(), br.height() );
XRenderFreePicture( display(), pic ); // TODO don't recreate pictures all the time?
}
else
#endif
{
XGCValues values;
values.subwindow_mode = IncludeInferiors;
GC gc = XCreateGC( display(), rootWindow(), GCSubwindowMode, &values );
XCopyArea( display(), decorationPixmapLeft.handle(), frameId(), gc, 0, 0,
lr.width(), lr.height(), lr.x(), lr.y() );
XCopyArea( display(), decorationPixmapRight.handle(), frameId(), gc, 0, 0,
rr.width(), rr.height(), rr.x(), rr.y() );
XCopyArea( display(), decorationPixmapTop.handle(), frameId(), gc, 0, 0,
tr.width(), tr.height(), tr.x(), tr.y() );
XCopyArea( display(), decorationPixmapBottom.handle(), frameId(), gc, 0, 0,
br.width(), br.height(), br.x(), br.y() );
XFreeGC( display(), gc );
}
}
else
XSync( display(), false );
}
void Client::repaintDecorationPixmap( QPixmap& pix, const QRect& r, const QPixmap& src, QRegion reg )
{
if( !r.isValid())
return;
QRect b = reg.boundingRect();
reg &= r;
if( reg.isEmpty())
return;
QPainter pt( &pix );
pt.translate( -r.topLeft() );
pt.setCompositionMode( QPainter::CompositionMode_Source );
pt.setClipRegion( reg );
pt.drawPixmap( b.topLeft(), src );
pt.end();
}
void Client::resizeDecorationPixmaps()
{
QRect lr, rr, tr, br;
layoutDecorationRects( lr, tr, rr, br, DecorationRelative );
decorationPixmapTop = QPixmap( tr.size() );
decorationPixmapBottom = QPixmap( br.size() );
decorationPixmapLeft = QPixmap( lr.size() );
decorationPixmapRight = QPixmap( rr.size() );
#ifdef HAVE_XRENDER
if ( Extensions::renderAvailable() ) {
// Make sure the pixmaps are created with alpha channels
decorationPixmapLeft.fill( Qt::transparent );
decorationPixmapRight.fill( Qt::transparent );
decorationPixmapTop.fill( Qt::transparent );
decorationPixmapBottom.fill( Qt::transparent );
}
#endif
triggerDecorationRepaint();
}
QRect Client::transparentRect() const
{
if (isShade())
return QRect();
NETStrut strut = info->frameOverlap();
// Ignore the strut when compositing is disabled or the decoration doesn't support it
if (!compositing() || !Workspace::self()->decorationSupportsFrameOverlap())
strut.left = strut.top = strut.right = strut.bottom = 0;
else if (strut.left == -1 && strut.top == -1 && strut.right == -1 && strut.bottom == -1)
return QRect();
const QRect r = QRect(clientPos(), clientSize())
.adjusted(strut.left, strut.top, -strut.right, -strut.bottom);
if (r.isValid())
return r;
return QRect();
}
void Client::detectNoBorder()
{
if( shape())
{
noborder = true;
app_noborder = true;
return;
}
switch( windowType())
{
case NET::Desktop :
case NET::Dock :
case NET::TopMenu :
case NET::Splash :
noborder = true;
app_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:
abort();
}
// 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_MANAGED_WINDOW_TYPES_MASK | NET::OverrideMask ) == NET::Override )
{
noborder = true;
app_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 newSize = s + QSize(padding_left + padding_right, padding_top + padding_bottom);
QSize oldSize = decoration->widget()->size();
decoration->resize( newSize );
if( oldSize == newSize )
{
QResizeEvent e( newSize, oldSize );
QApplication::sendEvent( decoration->widget(), &e );
}
else // oldSize != newSize
{
resizeDecorationPixmaps();
}
}
bool Client::noBorder() const
{
return noborder || isFullScreen();
}
bool Client::userCanSetNoBorder() const
{
return !isFullScreen() && !isShade() && ( clientGroup() == NULL || !(clientGroup()->items().count() > 1));
}
void Client::setNoBorder( bool set )
{
if( !userCanSetNoBorder() )
return;
set = rules()->checkNoBorder( set );
if( noborder == set )
return;
noborder = set;
updateDecoration( true, false );
updateWindowRules();
}
void Client::updateShape()
{
if( shape() )
{ // Workaround for #19644 - Shaped windows shouldn't have decoration
if( !app_noborder )
{ // Only when shape is detected for the first time, still let the user to override
app_noborder = true;
noborder = true;
updateDecoration( true );
}
}
if( shape() && noBorder() )
XShapeCombineShape( display(), frameId(), ShapeBounding,
clientPos().x(), clientPos().y(), window(), ShapeBounding, ShapeSet );
// Decoration mask (i.e. 'else' here) setting is done in setMask()
// when the decoration calls it or when the decoration is created/destroyed
updateInputShape();
if( compositing())
{
addRepaintFull();
addWorkspaceRepaint( visibleRect() ); // In case shape change removes part of this window
}
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
if( effects != NULL )
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged( effectWindow(), geometry());
}
static Window shape_helper_window = None;
void Client::updateInputShape()
{
if( hiddenPreview() ) // Sets it to none, don't change
return;
if( Extensions::shapeInputAvailable())
{ // There appears to be no way to find out if a window has input
// shape set or not, so always propagate the input shape
// (it's the same like the bounding shape by default).
// Also, build the shape using a helper window, not directly
// in the frame window, because the sequence set-shape-to-frame,
// remove-shape-of-client, add-input-shape-of-client has the problem
// that after the second step there's a hole in the input shape
// until the real shape of the client is added and that can make
// the window lose focus (which is a problem with mouse focus policies)
// TODO: It seems there is, after all - XShapeGetRectangles() - but maybe this is better
if( shape_helper_window == None )
shape_helper_window = XCreateSimpleWindow( display(), rootWindow(),
0, 0, 1, 1, 0, 0, 0 );
XResizeWindow( display(), shape_helper_window, width(), height());
XShapeCombineShape( display(), shape_helper_window, ShapeInput, 0, 0,
frameId(), ShapeBounding, ShapeSet );
XShapeCombineShape( display(), shape_helper_window, ShapeInput,
clientPos().x(), clientPos().y(), window(), ShapeBounding, ShapeSubtract );
XShapeCombineShape( display(), shape_helper_window, ShapeInput,
clientPos().x(), clientPos().y(), window(), ShapeInput, ShapeUnion );
XShapeCombineShape( display(), frameId(), ShapeInput, 0, 0,
shape_helper_window, ShapeInput, ShapeSet );
}
}
void Client::setMask( const QRegion& reg, int mode )
{
QRegion r = reg.translated( -padding_left, -padding_right ) & QRect( 0, 0, width(), height() );
if( _mask == r )
return;
_mask = r;
Window shape_window = frameId();
if( shape() )
{ // The same way of applying a shape without strange intermediate states like above
if( shape_helper_window == None )
shape_helper_window = XCreateSimpleWindow( display(), rootWindow(),
0, 0, 1, 1, 0, 0, 0 );
shape_window = shape_helper_window;
}
if( _mask.isEmpty() )
XShapeCombineMask( display(), shape_window, ShapeBounding, 0, 0, None, ShapeSet );
else if( mode == X::Unsorted )
XShapeCombineRegion( display(), shape_window, ShapeBounding, 0, 0, _mask.handle(), ShapeSet );
else
{
QVector< QRect > rects = _mask.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(), shape_window, ShapeBounding, 0, 0,
xrects, rects.count(), ShapeSet, mode );
delete[] xrects;
}
if( shape() )
{ // The rest of the applyign using a temporary window
XRectangle rec = { 0, 0, clientSize().width(), clientSize().height() };
XShapeCombineRectangles( display(), shape_helper_window, ShapeBounding,
clientPos().x(), clientPos().y(), &rec, 1, ShapeSubtract, Unsorted );
XShapeCombineShape( display(), shape_helper_window, ShapeBounding,
clientPos().x(), clientPos().y(), window(), ShapeBounding, ShapeUnion );
XShapeCombineShape( display(), frameId(), ShapeBounding, 0, 0,
shape_helper_window, ShapeBounding, ShapeSet );
}
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
if( effects != NULL )
static_cast<EffectsHandlerImpl*>( effects )->windowGeometryShapeChanged( effectWindow(), geometry() );
updateShape();
}
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.constBegin();
it != mainclients.constEnd();
++it )
if( (*it)->isShown( true ))
shown_mainwindow = true;
if( !shown_mainwindow )
return true;
}
#if 0
// 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
// Disabled for now, since at least modal dialogs should be minimizable
// (resulting in the mainwindow being minimized too).
if( transientFor() != NULL )
return false;
#endif
if( !wantsTabFocus() ) // SELI, TODO: - 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 );
minimized = true;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
updateWindowRules();
workspace()->updateFocusChains( this, Workspace::FocusChainMakeLast );
if( effects && !avoid_animation ) // TODO: Shouldn't it tell effects at least about the change?
static_cast<EffectsHandlerImpl*>(effects)->windowMinimized( effectWindow());
// Update states of all other windows in this group
if( clientGroup() )
clientGroup()->updateStates( this );
}
void Client::unminimize( bool avoid_animation )
{
if( !isMinimized())
return;
Notify::raise( Notify::UnMinimize );
minimized = false;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients( this );
updateWindowRules();
if( effects && !avoid_animation )
static_cast<EffectsHandlerImpl*>( effects )->windowUnminimized( effectWindow() );
// Update states of all other windows in this group
if( clientGroup() )
clientGroup()->updateStates( this );
}
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();
}
}
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 );
// TODO: All this unmapping, resizing etc. feels too much duplicated from elsewhere
if ( isShade())
{ // shade_mode == ShadeNormal
addWorkspaceRepaint( visibleRect() );
// Shade
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 );
plainResize( s );
shade_geometry_change = false;
if( isActive())
{
if( was_shade_mode == ShadeHover )
workspace()->activateNextClient( this );
else
workspace()->focusToNull();
}
}
else
{
shade_geometry_change = true;
QSize s( sizeForClientSize( clientSize() ));
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();
// Update states of all other windows in this group
if( clientGroup() )
clientGroup()->updateStates( this );
}
void Client::shadeHover()
{
setShade( ShadeHover );
cancelShadeHoverTimer();
}
void Client::shadeUnhover()
{
setShade( ShadeNormal );
cancelShadeHoverTimer();
}
void Client::cancelShadeHoverTimer()
{
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;
if( hidden && ( clientGroup() == NULL || clientGroup()->visible() == this ))
{
info->setState( NET::Hidden, NET::Hidden );
setSkipTaskbar( true, false ); // Also hide from taskbar
if( compositing() && options->hiddenPreviews == HiddenPreviewsAlways )
internalKeep( Allowed );
else
internalHide( Allowed );
return;
}
if( clientGroup() == NULL || clientGroup()->visible() == this )
setSkipTaskbar( original_skip_taskbar, false ); // Reset from 'hidden'
if( minimized )
{
info->setState( NET::Hidden, NET::Hidden );
if( compositing() && options->hiddenPreviews == HiddenPreviewsAlways )
internalKeep( Allowed );
else
internalHide( Allowed );
return;
}
info->setState( 0, NET::Hidden );
if( !isOnCurrentDesktop())
{
if( compositing() && options->hiddenPreviews != HiddenPreviewsNever )
internalKeep( Allowed );
else
internalHide( Allowed );
return;
}
bool belongs_to_desktop = false;
for( ClientList::ConstIterator it = group()->members().constBegin();
it != group()->members().constEnd();
++it )
if( (*it)->isDesktop() )
{
belongs_to_desktop = true;
break;
}
if( !belongs_to_desktop && workspace()->showingDesktop())
workspace()->resetShowingDesktop( true );
internalShow( Allowed );
}
/**
* Sets the client window's mapping state. Possible values are
* WithdrawnState, IconicState, NormalState.
*/
void Client::exportMappingState( int s )
{
assert( client != None );
assert( !deleting || s == WithdrawnState );
if( s == 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);
}
void Client::internalShow( allowed_t )
{
if( mapping_state == Mapped )
return;
MappingState old = mapping_state;
mapping_state = Mapped;
if( old == Unmapped || old == Withdrawn )
map( Allowed );
if( old == Kept )
updateHiddenPreview();
workspace()->checkUnredirect();
}
void Client::internalHide( allowed_t )
{
if( mapping_state == Unmapped )
return;
MappingState old = mapping_state;
mapping_state = Unmapped;
if( old == Mapped || old == Kept )
unmap( Allowed );
if( old == Kept )
updateHiddenPreview();
addWorkspaceRepaint( visibleRect() );
workspace()->clientHidden( this );
workspace()->checkUnredirect();
}
void Client::internalKeep( allowed_t )
{
assert( compositing() );
if( mapping_state == Kept )
return;
MappingState old = mapping_state;
mapping_state = Kept;
if( old == Unmapped || old == Withdrawn )
map( Allowed );
updateHiddenPreview();
addWorkspaceRepaint( visibleRect() );
workspace()->clientHidden( this );
workspace()->checkUnredirect();
}
/**
* Maps (shows) the client. Note that it is mapping state of the frame,
* not necessarily the client window itself (i.e. a shaded window is here
* considered mapped, even though it is in IconicState).
*/
void Client::map( allowed_t )
{
// 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();
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 );
exportMappingState( NormalState );
}
else
exportMappingState( IconicState );
}
/**
* Unmaps the client. Again, this is about the frame.
*/
void Client::unmap( allowed_t )
{
// 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
exportMappingState( IconicState );
}
/**
* XComposite doesn't keep window pixmaps of unmapped windows, which means
* there wouldn't be any previews of windows that are minimized or on another
* virtual desktop. Therefore rawHide() actually keeps such windows mapped.
* However special care needs to be taken so that such windows don't interfere.
* Therefore they're put very low in the stacking order and they have input shape
* set to none, which hopefully is enough. If there's no input shape available,
* then it's hoped that there will be some other desktop above it *shrug*.
* Using normal shape would be better, but that'd affect other things, e.g. painting
* of the actual preview.
*/
void Client::updateHiddenPreview()
{
if( hiddenPreview() )
{
workspace()->forceRestacking();
if( Extensions::shapeInputAvailable() )
XShapeCombineRectangles( display(), frameId(), ShapeInput, 0, 0, NULL, 0, ShapeSet, Unsorted );
}
else
{
workspace()->forceRestacking();
updateInputShape();
}
}
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();
// 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 );
XKillClient(display(), window() ); // Always kill this client at the server
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 )
{
// Just plain compare is not good enough because of 64bit and truncating and whatnot
if( NET::timestampCompare( timestamp, ping_timestamp ) != 0 )
return;
delete ping_timer;
ping_timer = NULL;
if( process_killer != NULL )
{
process_killer->kill();
// Recycle when the process manager has noticed that the process exited
// a delete process_killer here sometimes causes a hang in waitForFinished
connect(process_killer, SIGNAL( finished(int, QProcess::ExitStatus) ),
process_killer, SLOT( deleteLater() ));
process_killer = NULL;
}
}
void Client::pingTimeout()
{
kDebug( 1212 ) << "Ping timeout:" << caption();
ping_timer->deleteLater();
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 << ")";
if( !ask )
{
if( machine != "localhost" )
{
QStringList lst;
lst << machine << "kill" << QString::number( pid );
QProcess::startDetached( "xon",lst );
}
else
::kill( pid, SIGTERM );
}
else
{
process_killer = new QProcess( this );
connect( process_killer, SIGNAL( error(QProcess::ProcessError) ), SLOT( processKillerExited() ));
connect( process_killer, SIGNAL( finished(int, QProcess::ExitStatus) ), SLOT( processKillerExited() ));
process_killer->start( KStandardDirs::findExe( "kwin_killer_helper" ),
QStringList() << "--pid" << QByteArray().setNum( unsigned( pid )) << "--hostname" << machine
<< "--windowname" << caption()
<< "--applicationname" << resourceClass()
<< "--wid" << QString::number( window() )
<< "--timestamp" << QString::number( timestamp ));
}
}
void Client::processKillerExited()
{
kDebug( 1212 ) << "Killer exited";
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 = qMin( workspace()->numberOfDesktops(), 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();
// Update states of all other windows in this group
if( clientGroup() )
clientGroup()->updateStates( this );
}
/**
* 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());
// Update states of all other windows in this group
if( clientGroup() )
clientGroup()->updateStates( this );
}
/**
* 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";
// kDebug( 1212 ) << kBacktrace();
// }
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";
// kDebug( 1212 ) << kBacktrace();
// }
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 TODO: ?
}
}
/**
* 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 KWindowSystem::readNameProperty( window(), XA_WM_NAME );
}
KWIN_COMPARE_PREDICATE( FetchNameInternalPredicate, Client, const Client*, (!cl->isSpecialWindow() || cl->isToolbar()) && cl != value && cl->caption() == value->caption());
// The list is taken from http://www.unicode.org/reports/tr9/ (#154840)
QChar LRM(0x200E);
QChar RLM(0x200F);
QChar LRE(0x202A);
QChar RLE(0x202B);
QChar LRO(0x202D);
QChar RLO(0x202E);
QChar PDF(0x202C);
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 = QString( " <@" ) + wmClientMachine( true ) + '>' + LRM;
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) + '>' + LRM + 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( "" );
info->setVisibleIconName( "" );
}
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 )
{
if (client_group)
client_group->updateItems();
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 = KWindowSystem::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( "" );
}
}
}
/**
* \reimp
*/
QString Client::caption( bool full ) const
{
return full ? cap_normal + cap_suffix : cap_normal;
}
void Client::dontMoveResize()
{
buttonDown = false;
stopDelayedMoveResize();
if( moveResizeMode )
finishMoveResize( false );
}
void Client::setClientShown( bool shown )
{
if( deleting )
return; // Don't change shown status if this client is being deleted
if( shown && hidden )
{
map( Allowed );
hidden = false;
//updateVisibility();
//updateAllowedActions();
if( options->inactiveTabsSkipTaskbar )
setSkipTaskbar( false, false );
takeFocus( Allowed );
autoRaise();
workspace()->updateFocusChains( this, Workspace::FocusChainMakeFirst );
}
if( !shown && !hidden )
{
unmap( Allowed );
hidden = true;
//updateVisibility();
//updateAllowedActions();
if( options->inactiveTabsSkipTaskbar )
setSkipTaskbar( true, false ); // TODO: Causes reshuffle of the taskbar
workspace()->updateFocusChains( this, Workspace::FocusChainMakeLast );
addWorkspaceRepaint( visibleRect() );
}
}
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 ); // Need boolean, it's a uint bitfield
XFree( (char*)hints );
}
checkGroup();
updateUrgency();
updateAllowedActions(); // Group affects isMinimizable()
}
void Client::getMotifHints()
{
bool mgot_noborder, mnoborder, mresize, mmove, mminimize, mmaximize, mclose;
Motif::readFlags( client, mgot_noborder, mnoborder, mresize, mmove, mminimize, mmaximize, mclose );
if( mgot_noborder )
{
motif_noborder = mnoborder;
// If we just got a hint telling us to hide decorations, we do so.
if ( motif_noborder )
noborder = true;
// If the Motif hint is now telling us to show decorations, we only do so if the app didn't
// instruct us to hide decorations in some other way, though.
else if ( !motif_noborder && !app_noborder )
noborder = false;
}
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 = KWindowSystem::icon( win, 32, 32, true, KWindowSystem::NETWM | KWindowSystem::WMHints );
if( miniicon != NULL )
{
if( icon == NULL || !icon->isNull() )
*miniicon = KWindowSystem::icon( win, 16, 16, true, KWindowSystem::NETWM | KWindowSystem::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.constBegin();
it != mainclients.constEnd() && 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 = KWindowSystem::icon( window(), 32, 32, true, KWindowSystem::ClassHint | KWindowSystem::XApp );
miniicon_pix = KWindowSystem::icon( window(), 16, 16, true, KWindowSystem::ClassHint | KWindowSystem::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 );
}
}
void Client::getSyncCounter()
{
#ifdef HAVE_XSYNC
if( !Extensions::syncAvailable() )
return;
Atom retType;
unsigned long nItemRet;
unsigned long byteRet;
int formatRet;
unsigned char* propRet;
int ret = XGetWindowProperty( display(), window(), atoms->net_wm_sync_request_counter,
0, 1, false, XA_CARDINAL, &retType, &formatRet, &nItemRet, &byteRet, &propRet );
if( ret == Success && formatRet == 32 )
{
sync_counter = *(long*)( propRet );
XSyncIntToValue( &sync_counter_value, 0 );
XSyncValue zero;
XSyncIntToValue( &zero, 0 );
XSyncSetCounter( display(), sync_counter, zero );
if( sync_alarm == None )
{
XSyncAlarmAttributes attrs;
attrs.trigger.counter = sync_counter;
attrs.trigger.value_type = XSyncRelative;
attrs.trigger.test_type = XSyncPositiveTransition;
XSyncIntToValue( &attrs.trigger.wait_value, 1 );
XSyncIntToValue( &attrs.delta, 1 );
sync_alarm = XSyncCreateAlarm( display(),
XSyncCACounter | XSyncCAValueType | XSyncCATestType | XSyncCADelta | XSyncCAValue,
&attrs );
}
}
if( ret == Success )
XFree( propRet );
#endif
}
/**
* Send the client a _NET_SYNC_REQUEST
*/
void Client::sendSyncRequest()
{
#ifdef HAVE_XSYNC
if( sync_counter == None )
return;
// We increment before the notify so that after the notify
// syncCounterSerial will equal the value we are expecting
// in the acknowledgement
int overflow;
XSyncValue one;
XSyncIntToValue( &one, 1 );
#undef XSyncValueAdd // It causes a warning :-/
XSyncValueAdd( &sync_counter_value, sync_counter_value, one, &overflow );
// Send the message to client
XEvent ev;
ev.xclient.type = ClientMessage;
ev.xclient.window = window();
ev.xclient.format = 32;
ev.xclient.message_type = atoms->wm_protocols;
ev.xclient.data.l[0] = atoms->net_wm_sync_request;
ev.xclient.data.l[1] = xTime();
ev.xclient.data.l[2] = XSyncValueLow32( sync_counter_value );
ev.xclient.data.l[3] = XSyncValueHigh32( sync_counter_value );
ev.xclient.data.l[4] = 0;
XSendEvent( display(), window(), False, NoEventMask, &ev );
XSync( display(), false );
#endif
}
bool Client::wantsTabFocus() const
{
return ( isNormalWindow() || isDialog() ) && wantsInput();
}
bool Client::wantsInput() const
{
return rules()->checkAcceptFocus( input || Ptakefocus );
}
bool Client::isSpecialWindow() const
{ // TODO
return isDesktop() || isDock() || isSplash() || isTopMenu() || isToolbar();
}
/**
* Sets an appropriate cursor shape for the logical mouse position \a m
*/
void Client::updateCursor()
{
Position m = mode;
if( !isResizable() || isShade() )
m = PositionCenter;
QCursor c;
switch( m )
{
case PositionTopLeft:
case PositionBottomRight:
c = Qt::SizeFDiagCursor;
break;
case PositionBottomLeft:
case PositionTopRight:
c = Qt::SizeBDiagCursor;
break;
case PositionTop:
case PositionBottom:
c = Qt::SizeVerCursor;
break;
case PositionLeft:
case PositionRight:
c = Qt::SizeHorCursor;
break;
default:
if( moveResizeMode )
c = Qt::SizeAllCursor;
else
c = Qt::ArrowCursor;
break;
}
if( c.handle() == cursor.handle())
return;
cursor = c;
if( decoration != NULL )
decoration->widget()->setCursor( cursor );
XDefineCursor( display(), frameId(), cursor.handle() );
if( moveResizeMode ) // XDefineCursor doesn't change cursor if there's pointer grab active
XChangeActivePointerGrab( display(),
ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask,
cursor.handle(), xTime());
}
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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