33e9753f6b
finding out if they're the same app. CCMAIL: 68087-done@bugs.kde.org svn path=/trunk/kdebase/kwin/; revision=266853
713 lines
25 KiB
C++
713 lines
25 KiB
C++
/*****************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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******************************************************************/
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/*
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This file contains things relevant to window grouping.
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*/
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//#define QT_CLEAN_NAMESPACE
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#include "group.h"
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#include "workspace.h"
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#include "client.h"
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#include <assert.h>
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namespace KWinInternal
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{
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//********************************************
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// Group
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//********************************************
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Group::Group( Window leader_P, Workspace* workspace_P )
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: leader_client( workspace_P->findClient( WindowMatchPredicate( leader_P ))),
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leader_wid( leader_P ),
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workspace_( workspace_P )
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{
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workspace()->addGroup( this, Allowed );
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}
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QPixmap Group::icon() const
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{
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if( leader_client != NULL )
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return leader_client->icon();
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else
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{
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QPixmap ic;
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Client::readIcons( leader_wid, &ic, NULL );
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return ic;
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}
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}
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QPixmap Group::miniIcon() const
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{
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if( leader_client != NULL )
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return leader_client->miniIcon();
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else
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{
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QPixmap ic;
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Client::readIcons( leader_wid, NULL, &ic );
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return ic;
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}
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}
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void Group::addMember( Client* member_P )
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{
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_members.append( member_P );
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// kdDebug() << "GROUPADD:" << this << ":" << member_P << endl;
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// kdDebug() << kdBacktrace() << endl;
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}
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void Group::removeMember( Client* member_P )
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{
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// kdDebug() << "GROUPREMOVE:" << this << ":" << member_P << endl;
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// kdDebug() << kdBacktrace() << endl;
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Q_ASSERT( _members.contains( member_P ));
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_members.remove( member_P );
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if( _members.isEmpty())
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{
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workspace()->removeGroup( this, Allowed );
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delete this;
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}
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}
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void Group::gotLeader( Client* leader_P )
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{
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assert( leader_P->window() == leader_wid );
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leader_client = leader_P;
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}
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void Group::lostLeader()
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{
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assert( !_members.contains( leader_client ));
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leader_client = NULL;
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if( _members.isEmpty())
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{
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workspace()->removeGroup( this, Allowed );
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delete this;
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}
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}
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//***************************************
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// Workspace
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//***************************************
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Group* Workspace::findGroup( Window leader )
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{
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assert( leader != None );
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for( GroupList::ConstIterator it = groups.begin();
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it != groups.end();
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++it )
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if( (*it)->leader() == leader )
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return *it;
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return NULL;
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}
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void Workspace::updateMinimizedOfTransients( Client* c )
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{
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// if mainwindow is minimized or shaded, minimize transients too
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if ( c->isMinimized() || c->isShade() )
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{
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for( ClientList::ConstIterator it = c->transients().begin();
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it != c->transients().end();
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++it )
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{
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if( !(*it)->isMinimized()
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&& !(*it)->isShade()
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&& !(*it)->isTopMenu() ) // topmenus are not minimized, they're hidden
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{
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(*it)->minimize();
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updateMinimizedOfTransients( (*it) );
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}
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}
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}
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else
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{ // else unmiminize the transients
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for( ClientList::ConstIterator it = c->transients().begin();
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it != c->transients().end();
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++it )
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{
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if( (*it)->isMinimized()
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&& !(*it)->isTopMenu())
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{
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(*it)->unminimize();
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updateMinimizedOfTransients( (*it) );
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}
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}
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}
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}
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/*!
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Sets the client \a c's transient windows' on_all_desktops property to \a on_all_desktops.
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*/
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void Workspace::updateOnAllDesktopsOfTransients( Client* c )
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{
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for( ClientList::ConstIterator it = c->transients().begin();
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it != c->transients().end();
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++it)
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{
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if( (*it)->isOnAllDesktops() != c->isOnAllDesktops())
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(*it)->setOnAllDesktops( c->isOnAllDesktops());
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}
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}
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// A new window has been mapped. Check if it's not a mainwindow for some already existing transient window.
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void Workspace::checkTransients( Window w )
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{
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for( ClientList::ConstIterator it = clients.begin();
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it != clients.end();
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++it )
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(*it)->checkTransient( w );
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}
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//****************************************
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// Client
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//****************************************
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// hacks for broken apps here
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bool Client::resourceMatch( const Client* c1, const Client* c2 )
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{
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// xv has "xv" as resource name, and different strings starting with "XV" as resource class
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if( qstrncmp( c1->resourceClass(), "XV", 2 ) == 0 && c1->resourceName() == "xv" )
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return qstrncmp( c2->resourceClass(), "XV", 2 ) == 0 && c2->resourceName() == "xv";
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// Mozilla has "Mozilla" as resource name, and different strings as resource class
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if( c1->resourceName() == "Mozilla" )
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return c2->resourceName() == "Mozilla";
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return c1->resourceClass() == c2->resourceClass();
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}
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bool Client::belongToSameApplication( const Client* c1, const Client* c2, bool active_hack )
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{
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bool same_app = false;
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if( c1->isTransient() && c2->hasTransient( c1, true ))
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same_app = true; // c1 has c2 as mainwindow
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else if( c2->isTransient() && c1->hasTransient( c2, true ))
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same_app = true; // c2 has c1 as mainwindow
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else if( c1->pid() != c2->pid()
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|| c1->wmClientMachine() != c2->wmClientMachine())
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; // different processes
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else if( c1->wmClientLeader() != c2->wmClientLeader()
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&& c1->wmClientLeader() != c1->window() // if WM_CLIENT_LEADER is not set, it returns window(),
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&& c2->wmClientLeader() != c2->window()) // don't use in this test then
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; // different client leader
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else if( !resourceMatch( c1, c2 ))
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; // different apps
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else if( !sameAppWindowRoleMatch( c1, c2, active_hack ))
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; // "different" apps
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else if( c1->pid() == 0 || c2->pid() == 0 )
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; // old apps that don't have _NET_WM_PID, consider them different
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same_app = true; // looks like it's the same app
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return same_app;
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}
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// Non-transient windows with window role containing '#' are always
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// considered belonging to different applications (unless
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// the window role is exactly the same). KMainWindow sets
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// window role this way by default, and different KMainWindow
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// usually "are" different application from user's point of view.
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// This help with no-focus-stealing for e.g. konqy reusing.
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// On the other hand, if one of the windows is active, they are
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// considered belonging to the same application. This is for
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// the cases when opening new mainwindow directly from the application,
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// e.g. 'Open New Window' in konqy ( active_hack == true ).
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bool Client::sameAppWindowRoleMatch( const Client* c1, const Client* c2, bool active_hack )
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{
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if( c1->isTransient())
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{
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while( c1->transientFor() != NULL )
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c1 = c1->transientFor();
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if( c1->groupTransient())
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return c1->group() == c2->group()
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// if a group transient is in its own group, it didn't possibly have a group,
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// and therefore should be considered belonging to the same app like
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// all other windows from the same app
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|| c1->group()->leaderClient() == c1 || c2->group()->leaderClient() == c2;
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}
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if( c2->isTransient())
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{
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while( c2->transientFor() != NULL )
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c2 = c2->transientFor();
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if( c2->groupTransient())
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return c1->group() == c2->group()
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|| c1->group()->leaderClient() == c1 || c2->group()->leaderClient() == c2;
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}
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int pos1 = c1->windowRole().find( '#' );
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int pos2 = c2->windowRole().find( '#' );
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if(( pos1 >= 0 && pos2 >= 0 )
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||
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// hacks here
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// Mozilla has resourceName() and resourceClass() swapped
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c1->resourceName() == "Mozilla" && c2->resourceName() == "Mozilla" )
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{
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if( !active_hack ) // without the active hack for focus stealing prevention,
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return c1 == c2; // different mainwindows are always different apps
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if( !c1->isActive() && !c2->isActive())
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return c1 == c2;
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else
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return true;
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}
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return true;
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}
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/*
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Transiency stuff: ICCCM 4.1.2.6, NETWM 7.3
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WM_TRANSIENT_FOR is basically means "this is my mainwindow".
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For NET::Unknown windows, transient windows are considered to be NET::Dialog
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windows, for compatibility with non-NETWM clients. KWin may adjust the value
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of this property in some cases (window pointing to itself or creating a loop,
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keeping NET::Splash windows above other windows from the same app, etc.).
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Client::transient_for_id is the value of the WM_TRANSIENT_FOR property, after
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possibly being adjusted by KWin. Client::transient_for points to the Client
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this Client is transient for, or is NULL. If Client::transient_for_id is
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poiting to the root window, the window is considered to be transient
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for the whole window group, as suggested in NETWM 7.3.
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In the case of group transient window, Client::transient_for is NULL,
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and Client::groupTransient() returns true. Such window is treated as
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if it were transient for every window in its window group, with the exception
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of the windows that are (even indirectly) transient for it (quite nasty,
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loops must be avoided).
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Client::original_transient_for_id is the value of the property, which
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may be different if Client::transient_for_id if e.g. forcing NET::Splash
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to be kept on top of its window group, or when the mainwindow is not mapped
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yet, in which case the window is temporarily made group transient,
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and when the mainwindow is mapped, transiency is re-evaluated.
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This can get a bit complicated with with e.g. two Konqueror windows created
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by the same process. They should ideally appear like two independent applications
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to the user. This should be accomplished by all windows in the same process
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having the same window group (needs to be changed in Qt at the moment), and
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using non-group transients poiting to their relevant mainwindow for toolwindows
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etc. KWin should handle both group and non-group transient dialogs well.
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In other words:
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- non-transient windows : isTransient() == false
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- normal transients : transientFor() != NULL
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- group transients : groupTransient() == true
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- list of mainwindows : mainClients() (call once and loop over the result)
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- list of transients : transients()
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- every window in the group : group()->members()
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*/
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void Client::readTransient()
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{
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Window new_transient_for_id;
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if( XGetTransientForHint( qt_xdisplay(), window(), &new_transient_for_id ))
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{
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original_transient_for_id = new_transient_for_id;
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new_transient_for_id = verifyTransientFor( new_transient_for_id, true );
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}
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else
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{
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original_transient_for_id = None;
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new_transient_for_id = verifyTransientFor( None, false );
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}
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setTransient( new_transient_for_id );
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}
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void Client::setTransient( Window new_transient_for_id )
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{
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if( new_transient_for_id != transient_for_id )
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{
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removeFromMainClients();
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transient_for = NULL;
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transient_for_id = new_transient_for_id;
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if( groupTransient())
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{
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for( ClientList::ConstIterator it = group()->members().begin();
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it != group()->members().end();
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++it )
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if( !(*it)->groupTransient())
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(*it)->addTransient( this );
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}
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else if( transient_for_id != None )
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{
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transient_for = workspace()->findClient( WindowMatchPredicate( transient_for_id ));
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assert( transient_for != NULL ); // verifyTransient() had to check this
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if( transient_for->groupTransient())
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removeTransient( transient_for );
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transient_for->addTransient( this );
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}
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checkGroup();
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checkGroupTransients();
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workspace()->updateClientLayer( this );
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}
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}
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void Client::removeFromMainClients()
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{
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if( transientFor() != NULL )
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transientFor()->removeTransient( this );
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if( groupTransient())
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{
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for( ClientList::ConstIterator it = group()->members().begin();
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it != group()->members().end();
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++it )
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(*it)->removeTransient( this );
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}
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}
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// *sigh* this transiency handling is madness :(
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// This one is called when destroying/releasing a window.
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// It makes sure this client is removed from all grouping
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// related lists.
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void Client::cleanGrouping()
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{
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// kdDebug() << "CLEANGROUPING:" << this << endl;
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// for( ClientList::ConstIterator it = group()->members().begin();
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// it != group()->members().end();
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// ++it )
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// kdDebug() << "CL:" << *it << endl;
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// ClientList mains;
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// mains = mainClients();
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// for( ClientList::ConstIterator it = mains.begin();
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// it != mains.end();
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// ++it )
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// kdDebug() << "MN:" << *it << endl;
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removeFromMainClients();
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// kdDebug() << "CLEANGROUPING2:" << this << endl;
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// for( ClientList::ConstIterator it = group()->members().begin();
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// it != group()->members().end();
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// ++it )
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// kdDebug() << "CL2:" << *it << endl;
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// mains = mainClients();
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// for( ClientList::ConstIterator it = mains.begin();
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// it != mains.end();
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// ++it )
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// kdDebug() << "MN2:" << *it << endl;
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for( ClientList::ConstIterator it = transients_list.begin();
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it != transients_list.end();
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)
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{
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if( (*it)->transientFor() == this )
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{
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ClientList::ConstIterator it2 = it++;
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removeTransient( *it2 );
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}
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else
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++it;
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}
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// kdDebug() << "CLEANGROUPING3:" << this << endl;
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// for( ClientList::ConstIterator it = group()->members().begin();
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// it != group()->members().end();
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// ++it )
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// kdDebug() << "CL3:" << *it << endl;
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// mains = mainClients();
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// for( ClientList::ConstIterator it = mains.begin();
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// it != mains.end();
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// ++it )
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// kdDebug() << "MN3:" << *it << endl;
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// HACK
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// removeFromMainClients() did remove 'this' from transient
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// lists of all group members, but then made windows that
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// were transient for 'this' group transient, which again
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// added 'this' to those transient lists :(
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ClientList group_members = group()->members();
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group()->removeMember( this );
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in_group = NULL;
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for( ClientList::ConstIterator it = group_members.begin();
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it != group_members.end();
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++it )
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(*it)->removeTransient( this );
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// kdDebug() << "CLEANGROUPING4:" << this << endl;
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// for( ClientList::ConstIterator it = group_members.begin();
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// it != group_members.end();
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// ++it )
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// kdDebug() << "CL4:" << *it << endl;
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}
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// Make sure that no group transient is considered transient
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// for a window that is (directly or indirectly) transient for it.
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// Group transients not being transient for each other is already
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// handled before calling addTransient().
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void Client::checkGroupTransients()
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{
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for( ClientList::ConstIterator it1 = group()->members().begin();
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it1 != group()->members().end();
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++it1 )
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{
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if( !(*it1)->groupTransient())
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continue;
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for( ClientList::Iterator it2 = (*it1)->transients_list.begin();
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it2 != (*it1)->transients_list.end();
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)
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{
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Client* cl = (*it2)->transientFor();
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if( cl != NULL )
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cl = cl->transientFor();
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if( cl == *it1 )
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{
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it2 = (*it1)->transients_list.remove( it2 );
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continue;
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}
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++it2;
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}
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}
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}
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/*!
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Check that the window is not transient for itself, and similar nonsense.
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*/
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Window Client::verifyTransientFor( Window new_transient_for, bool defined )
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{
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Window new_property_value = new_transient_for;
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// make sure splashscreens are shown above all their app's windows, even though
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// they're in Normal layer
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if( isSplash() && new_transient_for == None )
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new_transient_for = workspace()->rootWin();
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if( new_transient_for == None )
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if( defined ) // sometimes WM_TRANSIENT_FOR is set to None, instead of root window
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new_property_value = new_transient_for = workspace()->rootWin();
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else
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return None;
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if( new_transient_for == window()) // pointing to self
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{ // also fix the property itself
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kdWarning( 1216 ) << "Client " << this << " has WM_TRANSIENT_FOR poiting to itself." << endl;
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new_property_value = new_transient_for = workspace()->rootWin();
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}
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// The transient_for window may be embedded in another application,
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// so kwin cannot see it. Try to find the managed client for the
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// window and fix the transient_for property if possible.
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WId before_search = new_transient_for;
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while( new_transient_for != None
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&& new_transient_for != workspace()->rootWin()
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&& !workspace()->findClient( WindowMatchPredicate( new_transient_for )))
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{
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Window root_return, parent_return;
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Window* wins = NULL;
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unsigned int nwins;
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int r = XQueryTree(qt_xdisplay(), new_transient_for, &root_return, &parent_return, &wins, &nwins);
|
|
if ( wins )
|
|
XFree((void *) wins);
|
|
if ( r == 0)
|
|
break;
|
|
new_transient_for = parent_return;
|
|
}
|
|
if( Client* new_transient_for_client = workspace()->findClient( WindowMatchPredicate( new_transient_for )))
|
|
{
|
|
if( new_transient_for != before_search )
|
|
{
|
|
kdDebug( 1212 ) << "Client " << this << " has WM_TRANSIENT_FOR poiting to non-toplevel window "
|
|
<< before_search << ", child of " << new_transient_for_client << ", adjusting." << endl;
|
|
new_property_value = new_transient_for; // also fix the property
|
|
}
|
|
}
|
|
else
|
|
new_transient_for = before_search; // nice try
|
|
// loop detection
|
|
// group transients cannot cause loops, because they're considered transient only for non-transient
|
|
// windows in the group
|
|
int count = 20;
|
|
Window loop_pos = new_transient_for;
|
|
while( loop_pos != None && loop_pos != workspace()->rootWin())
|
|
{
|
|
Client* pos = workspace()->findClient( WindowMatchPredicate( loop_pos ));
|
|
if( pos == NULL )
|
|
break;
|
|
loop_pos = pos->transient_for_id;
|
|
if( --count == 0 )
|
|
{
|
|
kdWarning( 1216 ) << "Client " << this << " caused WM_TRANSIENT_FOR loop." << endl;
|
|
new_transient_for = workspace()->rootWin();
|
|
}
|
|
}
|
|
if( new_transient_for != workspace()->rootWin()
|
|
&& workspace()->findClient( WindowMatchPredicate( new_transient_for )) == NULL )
|
|
{ // it's transient for a specific window, but that window is not mapped
|
|
new_transient_for = workspace()->rootWin();
|
|
}
|
|
if( new_property_value != original_transient_for_id )
|
|
XSetTransientForHint( qt_xdisplay(), window(), new_property_value );
|
|
return new_transient_for;
|
|
}
|
|
|
|
void Client::addTransient( Client* cl )
|
|
{
|
|
assert( !transients_list.contains( cl ));
|
|
assert( !cl->transients_list.contains( this ));
|
|
assert( cl != this );
|
|
transients_list.append( cl );
|
|
// kdDebug() << "ADDTRANS:" << this << ":" << cl << endl;
|
|
// kdDebug() << kdBacktrace() << endl;
|
|
}
|
|
|
|
void Client::removeTransient( Client* cl )
|
|
{
|
|
// kdDebug() << "REMOVETRANS:" << this << ":" << cl << endl;
|
|
// kdDebug() << kdBacktrace() << endl;
|
|
transients_list.remove( cl );
|
|
// cl is transient for this, but this is going away
|
|
// make cl group transient
|
|
if( cl->transientFor() == this )
|
|
{
|
|
cl->transient_for_id = None;
|
|
cl->transient_for = NULL; // SELI
|
|
// SELI cl->setTransient( workspace()->rootWin());
|
|
cl->setTransient( None );
|
|
}
|
|
}
|
|
|
|
// A new window has been mapped. Check if it's not a mainwindow for this already existing window.
|
|
void Client::checkTransient( Window w )
|
|
{
|
|
if( original_transient_for_id != w )
|
|
return;
|
|
w = verifyTransientFor( w, true );
|
|
setTransient( w );
|
|
}
|
|
|
|
// returns true if cl is the transient_for window for this client,
|
|
// or recursively the transient_for window
|
|
bool Client::hasTransient( const Client* cl, bool indirect ) const
|
|
{
|
|
if( cl->transientFor() != NULL )
|
|
{
|
|
if( cl->transientFor() == this )
|
|
return true;
|
|
if( !indirect )
|
|
return false;
|
|
return hasTransient( cl->transientFor(), indirect );
|
|
}
|
|
if( !cl->isTransient())
|
|
return false;
|
|
if( group() != cl->group())
|
|
return false;
|
|
// cl is group transient, search from top
|
|
if( transients().contains( const_cast< Client* >( cl )))
|
|
return true;
|
|
if( !indirect )
|
|
return false;
|
|
for( ClientList::ConstIterator it = transients().begin();
|
|
it != transients().end();
|
|
++it )
|
|
if( (*it)->hasTransient( cl, indirect ))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
ClientList Client::mainClients() const
|
|
{
|
|
if( !isTransient())
|
|
return ClientList();
|
|
if( transientFor() != NULL )
|
|
return ClientList() << const_cast< Client* >( transientFor());
|
|
ClientList result;
|
|
for( ClientList::ConstIterator it = group()->members().begin();
|
|
it != group()->members().end();
|
|
++it )
|
|
if( !(*it)->groupTransient() && (*it)->hasTransient( this, false ))
|
|
result.append( *it );
|
|
return result;
|
|
}
|
|
|
|
Client* Client::findModal()
|
|
{
|
|
for( ClientList::ConstIterator it = transients().begin();
|
|
it != transients().end();
|
|
++it )
|
|
if( Client* ret = (*it)->findModal())
|
|
return ret;
|
|
if( isModal())
|
|
return this;
|
|
return NULL;
|
|
}
|
|
|
|
// Client::window_group only holds the contents of the hint,
|
|
// but it should be used only to find the group, not for anything else
|
|
void Client::checkGroup()
|
|
{
|
|
Group* old_group = in_group;
|
|
if( window_group != None )
|
|
{
|
|
Group* new_group = workspace()->findGroup( window_group );
|
|
if( transientFor() != NULL && transientFor()->group() != new_group )
|
|
{ // move the window to the right group (e.g. a dialog provided
|
|
// by different app, but transient for this one, so make it part of that group)
|
|
new_group = transientFor()->group();
|
|
}
|
|
if( new_group == NULL ) // doesn't exist yet
|
|
new_group = new Group( window_group, workspace());
|
|
if( new_group != in_group )
|
|
{
|
|
if( in_group != NULL )
|
|
in_group->removeMember( this );
|
|
in_group = new_group;
|
|
in_group->addMember( this );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( transientFor() != NULL )
|
|
{ // doesn't have window group set, but is transient for something
|
|
// so make it part of that group
|
|
Group* new_group = transientFor()->group();
|
|
if( new_group != in_group )
|
|
{
|
|
if( in_group != NULL )
|
|
in_group->removeMember( this );
|
|
in_group = transientFor()->group();
|
|
in_group->addMember( this );
|
|
}
|
|
}
|
|
else // not transient without a group, put it in its own group
|
|
{ // (can be also group transient which actually doesn't have a group :( )
|
|
if( in_group != NULL && in_group->leader() != window())
|
|
{
|
|
in_group->removeMember( this );
|
|
in_group = NULL;
|
|
}
|
|
if( in_group == NULL )
|
|
{
|
|
in_group = new Group( window(), workspace());
|
|
in_group->addMember( this );
|
|
in_group->gotLeader( this );
|
|
}
|
|
}
|
|
}
|
|
if( in_group != old_group )
|
|
{
|
|
for( ClientList::Iterator it = transients_list.begin();
|
|
it != transients_list.end();
|
|
)
|
|
{ // it's no longer transient for group transients in the old group
|
|
if( (*it)->groupTransient() && (*it)->group() != group())
|
|
it = transients_list.remove( it );
|
|
else
|
|
++it;
|
|
}
|
|
for( ClientList::ConstIterator it = group()->members().begin();
|
|
it != group()->members().end();
|
|
++it )
|
|
{
|
|
if( !(*it)->groupTransient()) // and its transient for group transients in the new group
|
|
continue;
|
|
if( !transients_list.contains( *it )) // unless it's the other way around
|
|
addTransient( *it );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace
|