535 lines
19 KiB
C++
535 lines
19 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 handling incoming events.
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*/
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#include "client.h"
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#include <kstartupinfo.h>
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#include <X11/extensions/shape.h>
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#include "notifications.h"
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extern Time qt_x_time;
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extern Atom qt_window_role;
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namespace KWinInternal
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{
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/*!
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Manages the clients. This means handling the very first maprequest:
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reparenting, initial geometry, initial state, placement, etc.
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Returns false if KWin is not going to manage this window.
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*/
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bool Client::manage( Window w, bool isMapped )
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{
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XWindowAttributes attr;
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if( !XGetWindowAttributes(qt_xdisplay(), w, &attr))
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return false;
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grabXServer();
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// from this place on, manage() mustn't return false
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block_geometry = 1;
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embedClient( w, attr );
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// SELI order all these things in some sane manner
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bool init_minimize = false;
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XWMHints * hints = XGetWMHints(qt_xdisplay(), w );
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if (hints && (hints->flags & StateHint) && hints->initial_state == IconicState)
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init_minimize = true;
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if (hints)
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XFree(hints);
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if( isMapped )
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init_minimize = false; // if it's already mapped, ignore hint
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unsigned long properties[ 2 ];
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properties[ WinInfo::PROTOCOLS ] =
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NET::WMDesktop |
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NET::WMState |
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NET::WMWindowType |
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NET::WMStrut |
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NET::WMName |
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NET::WMIconGeometry |
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NET::WMIcon |
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NET::WMPid |
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NET::WMIconName |
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0;
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properties[ WinInfo::PROTOCOLS2 ] =
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NET::WM2UserTime |
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NET::WM2StartupId |
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0;
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info = new WinInfo( this, qt_xdisplay(), client, qt_xrootwin(), properties, 2 );
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cmap = attr.colormap;
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bool mresize, mmove, mminimize, mmaximize, mclose;
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if( Motif::funcFlags( client, mresize, mmove, mminimize, mmaximize, mclose ))
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{
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if( !hasNETSupport()) // NETWM apps should set type and size constraints
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{
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motif_may_resize = mresize; // this should be set using minsize==maxsize, but oh well
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motif_may_move = mmove;
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}
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// mminimize; - ignore, bogus - e.g. shading or sending to another desktop is "minimizing" too
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// mmaximize; - ignore, bogus - maximizing is basically just resizing
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motif_may_close = mclose; // motif apps like to crash when they set this hint and WM closes them anyway
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}
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XClassHint classHint;
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if ( XGetClassHint( qt_xdisplay(), client, &classHint ) )
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{
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resource_name = classHint.res_name;
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resource_class = classHint.res_class;
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XFree( classHint.res_name );
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XFree( classHint.res_class );
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}
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detectNoBorder();
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fetchName();
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fetchIconicName();
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getWMHints(); // needs to be done before readTransient() because of reading the group
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readTransient();
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getIcons();
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getWindowProtocols();
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getWmNormalHints(); // get xSizeHint
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getWmClientLeader();
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window_role = getStringProperty( w, qt_window_role );
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// TODO try to obey all state information from info->state()
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original_skip_taskbar = skip_taskbar = ( info->state() & NET::SkipTaskbar) != 0;
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skip_pager = ( info->state() & NET::SkipPager) != 0;
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modal = ( info->state() & NET::Modal ) != 0;
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// window wants to stay on top?
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keep_above = ( info->state() & NET::KeepAbove ) != 0;
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// window wants to stay on bottom?
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keep_below = ( info->state() & NET::KeepBelow ) != 0;
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if( keep_above && keep_below )
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keep_above = keep_below = false;
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KStartupInfoData asn_data;
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bool asn_valid = workspace()->checkStartupNotification( this, asn_data );
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workspace()->updateClientLayer( this );
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SessionInfo* session = workspace()->takeSessionInfo( this );
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if ( session )
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{
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if ( session->minimized )
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init_minimize = true;
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if( session->userNoBorder )
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setUserNoBorder( true );
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}
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// initial desktop placement
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if ( info->desktop() )
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desk = info->desktop(); // window had the initial desktop property!
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else if( asn_valid && asn_data.desktop() != 0 )
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desk = asn_data.desktop();
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if ( session )
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{
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desk = session->desktop;
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if( session->onAllDesktops )
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desk = NET::OnAllDesktops;
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}
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else if ( desk == 0 )
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{
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// if this window is transient, ensure that it is opened on the
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// same window as its parent. this is necessary when an application
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// starts up on a different desktop than is currently displayed
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if( isTransient())
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{
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ClientList mainclients = mainClients();
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bool on_current = false;
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Client* maincl = NULL;
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// this is slightly duplicated from Placement::placeOnMainWindow()
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for( ClientList::ConstIterator it = mainclients.begin();
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it != mainclients.end();
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++it )
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{
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if( (*it)->isSpecialWindow() && !(*it)->isOverride())
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continue; // don't consider toolbars etc when placing
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maincl = *it;
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if( (*it)->isOnCurrentDesktop())
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on_current = true;
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}
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if( on_current )
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desk = workspace()->currentDesktop();
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else if( maincl != NULL )
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desk = maincl->desktop();
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}
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}
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if ( desk == 0 ) // assume window wants to be visible on the current desktop
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desk = workspace()->currentDesktop();
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info->setDesktop( desk );
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workspace()->updateOnAllDesktopsOfTransients( this ); // SELI
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// onAllDesktopsChange(); decoration doesn't exist here yet
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QRect geom( attr.x, attr.y, attr.width, attr.height );
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bool placementDone = FALSE;
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if ( session )
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geom = session->geometry;
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QRect area;
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if( isMapped )
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area = workspace()->clientArea( WorkArea, geom.center(), desktop());
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else if( options->xineramaPlacementEnabled )
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area = workspace()->clientArea( PlacementArea, QCursor::pos(), desktop());
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else
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area = workspace()->clientArea( PlacementArea, geom.center(), desktop());
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// if it's noborder window, and has size of one screen or the whole desktop geometry, it's fullscreen hack
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if( ( geom.size() == workspace()->clientArea( FullArea, geom.center(), desktop()).size()
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|| geom.size() == workspace()->clientArea( ScreenArea, geom.center(), desktop()).size())
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&& noBorder() && !isUserNoBorder() && isFullScreenable())
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{
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fullscreen_mode = FullScreenHack;
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geom = workspace()->clientArea( MaximizeFullArea, geom.center(), desktop());
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placementDone = true;
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}
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if ( isDesktop() )
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{
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// desktops are treated slightly special
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geom = workspace()->clientArea( FullArea, geom.center(), desktop());
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placementDone = true;
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}
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if ( isMapped || session || placementDone
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|| ( isTransient() && !isUtility() && !isDialog() && !isSplash()))
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{ // TODO
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placementDone = TRUE;
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}
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else if( isTransient() && !hasNETSupport())
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placementDone = true;
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else if( isDialog() && hasNETSupport()) // see Placement::placeDialog()
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; // force using placement policy
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else if( isSplash())
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; // force using placement policy
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else
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{
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bool ignorePPosition = ( options->ignorePositionClasses.contains(QString::fromLatin1(resourceClass())));
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if ((xSizeHint.flags & PPosition) && ! ignorePPosition)
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{
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int tx = geom.x();
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int ty = geom.y();
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// TODO tyhle testy nepocitaji s dekoraci, ani s gravity
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if (tx < 0)
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tx = area.right() + tx;
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if (ty < 0)
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ty = area.bottom() + ty;
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geom.moveTopLeft(QPoint(tx, ty));
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}
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if ( ( (xSizeHint.flags & PPosition) && !ignorePPosition ) ||
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(xSizeHint.flags & USPosition) )
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{
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placementDone = TRUE;
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}
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if ( (xSizeHint.flags & USSize) || (xSizeHint.flags & PSize) )
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{
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// keep in mind that we now actually have a size :-)
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}
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}
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if (xSizeHint.flags & PMaxSize)
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geom.setSize( geom.size().boundedTo( QSize(xSizeHint.max_width, xSizeHint.max_height ) ) );
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if (xSizeHint.flags & PMinSize)
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geom.setSize( geom.size().expandedTo( QSize(xSizeHint.min_width, xSizeHint.min_height ) ) );
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if( isMovable())
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{
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if( geom.x() > area.right() || geom.y() > area.bottom())
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placementDone = FALSE; // weird, do not trust.
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}
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if ( placementDone )
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move( geom.x(), geom.y() ); // before gravitating
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updateDecoration( false ); // also gravitates
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// TODO is CentralGravity right here, when resizing is done after gravitating?
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plainResize( sizeForClientSize( geom.size()));
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if( !placementDone )
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{ // placement needs to be after setting size
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workspace()->place( this, area );
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placementDone = TRUE;
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}
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if (( !isSpecialWindow() || isToolbar()) && isMovable())
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keepInArea( area );
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XShapeSelectInput( qt_xdisplay(), window(), ShapeNotifyMask );
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if ( (is_shape = Shape::hasShape( window())) )
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{
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updateShape();
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}
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//CT extra check for stupid jdk 1.3.1. But should make sense in general
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// if client has initial state set to Iconic and is transient with a parent
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// window that is not Iconic, set init_state to Normal
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if( init_minimize && isTransient())
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{
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ClientList mainclients = mainClients();
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for( ClientList::ConstIterator it = mainclients.begin();
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it != mainclients.end();
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++it )
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if( (*it)->isShown( true ))
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init_minimize = false; // SELI even e.g. for NET::Utility?
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}
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if( init_minimize )
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minimize();
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// SELI this seems to be mainly for kstart and ksystraycmd
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// probably should be replaced by something better
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bool doNotShow = false;
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if ( workspace()->isNotManaged( caption() ) )
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doNotShow = TRUE;
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// other settings from the previous session
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if ( session )
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{
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setKeepAbove( session->keepAbove );
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setKeepBelow( session->keepBelow );
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setSkipTaskbar( session->skipTaskbar, true );
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setSkipPager( session->skipPager );
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setShade( session->shaded ? ShadeNormal : ShadeNone );
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if( session->maximized != MaximizeRestore )
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{
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maximize( (MaximizeMode) session->maximized );
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geom_restore = session->restore;
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}
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if( session->fullscreen == FullScreenHack )
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; // nothing, this should be already set again above
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else if( session->fullscreen != FullScreenNone )
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{
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setFullScreen( true, false );
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geom_fs_restore = session->fsrestore;
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}
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}
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else
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{
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geom_restore = geometry(); // remember restore geometry
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if ( isMaximizable()
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&& ( width() >= area.width() || height() >= area.height() ) )
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{
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// window is too large for the screen, maximize in the
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// directions necessary
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if ( width() >= area.width() && height() >= area.height() )
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{
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maximize( Client::MaximizeFull );
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geom_restore = QRect(); // use placement when unmaximizing
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}
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else if ( width() >= area.width() )
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{
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maximize( Client::MaximizeHorizontal );
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geom_restore = QRect(); // use placement when unmaximizing
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geom_restore.setY( y()); // but only for horizontal direction
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geom_restore.setHeight( height());
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}
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else if ( height() >= area.height() )
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{
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maximize( Client::MaximizeVertical );
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geom_restore = QRect(); // use placement when unmaximizing
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geom_restore.setX( x()); // but only for vertical direction
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geom_restore.setWidth( width());
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}
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}
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// window may want to be maximized
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// done after checking that the window isn't larger than the workarea, so that
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// the restore geometry from the checks above takes precedence, and window
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// isn't restored larger than the workarea
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if ( (info->state() & NET::Max) == NET::Max )
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maximize( Client::MaximizeFull );
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else if ( info->state() & NET::MaxVert )
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maximize( Client::MaximizeVertical );
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else if ( info->state() & NET::MaxHoriz )
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maximize( Client::MaximizeHorizontal );
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// read other initial states
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if( info->state() & NET::Shaded )
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setShade( ShadeNormal );
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if( info->state() & NET::KeepAbove )
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setKeepAbove( true );
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if( info->state() & NET::KeepBelow )
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setKeepBelow( true );
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if( info->state() & NET::SkipTaskbar )
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setSkipTaskbar( true, true );
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if( info->state() & NET::SkipPager )
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setSkipPager( true );
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if( info->state() & NET::DemandsAttention )
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demandAttention();
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if( info->state() & NET::Modal )
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setModal( true );
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if( fullscreen_mode != FullScreenHack )
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{
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if(( info->state() & NET::FullScreen ) != 0 && isFullScreenable())
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setFullScreen( true, false );
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}
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}
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updateAllowedActions( true );
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// TODO this should avoid flicker, because real restacking is done
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// only after manage() finishes, but the window is shown sooner
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// - keep it?
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XLowerWindow( qt_xdisplay(), frameId());
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user_time = readUserTimeMapTimestamp( asn_valid ? &asn_data : NULL, session );
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if( isTopMenu()) // they're shown in Workspace::addClient() if their mainwindow
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hideClient( true ); // is the active one
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if ( isShown( true ) && !doNotShow )
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{
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if( isDialog())
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Notify::raise( Notify::TransNew );
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if( isNormalWindow())
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Notify::raise( Notify::New );
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// if session saving, force showing new windows (i.e. "save file?" dialogs etc.)
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if( workspace()->sessionSaving() && !isOnCurrentDesktop())
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workspace()->setCurrentDesktop( desktop());
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if( isOnCurrentDesktop())
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{
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setMappingState( NormalState );
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if( isMapped )
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{
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workspace()->raiseClient( this );
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rawShow();
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}
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else
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{
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if( workspace()->allowClientActivation( this, user_time, false, session && session->active ))
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{
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workspace()->raiseClient( this );
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rawShow();
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if( !isSpecialWindow() || isOverride())
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if ( options->focusPolicyIsReasonable() && wantsTabFocus() )
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workspace()->requestFocus( this );
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}
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else
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{
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workspace()->restackClientUnderActive( this );
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rawShow();
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if( ( !session || session->fake ) && ( !isSpecialWindow() || isOverride()))
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demandAttention();
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}
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}
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}
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else
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{
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virtualDesktopChange();
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workspace()->raiseClient( this );
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if( ( !session || session->fake ) && !isMapped )
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demandAttention();
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}
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}
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else if( !doNotShow ) // !isShown()
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{
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rawHide();
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setMappingState( IconicState );
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}
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else // doNotShow
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{ // SELI HACK !!!
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hideClient( true );
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setMappingState( IconicState );
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}
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assert( mappingState() != WithdrawnState );
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if( user_time == CurrentTime || user_time == -1U ) // no known user time, set something old
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{
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user_time = qt_x_time - 1000000;
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if( user_time == CurrentTime || user_time == -1U ) // let's be paranoid
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user_time = qt_x_time - 1000000 + 10;
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}
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updateWorkareaDiffs();
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// sendSyntheticConfigureNotify(); done when setting mapping state
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delete session;
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ungrabXServer();
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return true;
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}
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// called only from manage()
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void Client::embedClient( Window w, const XWindowAttributes &attr )
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{
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assert( client == None );
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assert( frame == None );
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assert( wrapper == None );
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client = w;
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// we don't want the window to be destroyed when we are destroyed
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XAddToSaveSet( qt_xdisplay(), client );
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XSelectInput( qt_xdisplay(), client, NoEventMask );
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XUnmapWindow( qt_xdisplay(), client );
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XWindowChanges wc; // set the border width to 0
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wc.border_width = 0; // TODO possibly save this, and also use it for initial configuring of the window
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XConfigureWindow( qt_xdisplay(), client, CWBorderWidth, &wc );
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XSetWindowAttributes swa;
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swa.colormap = attr.colormap;
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swa.background_pixmap = None;
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swa.border_pixel = 0;
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frame = XCreateWindow( qt_xdisplay(), qt_xrootwin(), 0, 0, 1, 1, 0,
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attr.depth, InputOutput, attr.visual,
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CWColormap | CWBackPixmap | CWBorderPixel, &swa );
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wrapper = XCreateWindow( qt_xdisplay(), frame, 0, 0, 1, 1, 0,
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attr.depth, InputOutput, attr.visual,
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CWColormap | CWBackPixmap | CWBorderPixel, &swa );
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XDefineCursor( qt_xdisplay(), frame, arrowCursor.handle());
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// some apps are stupid and don't define their own cursor - set the arrow one for them
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XDefineCursor( qt_xdisplay(), wrapper, arrowCursor.handle());
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XReparentWindow( qt_xdisplay(), client, wrapper, 0, 0 );
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XSelectInput( qt_xdisplay(), frame,
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KeyPressMask | KeyReleaseMask |
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ButtonPressMask | ButtonReleaseMask |
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KeymapStateMask |
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ButtonMotionMask |
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PointerMotionMask |
|
|
EnterWindowMask | LeaveWindowMask |
|
|
FocusChangeMask |
|
|
ExposureMask |
|
|
PropertyChangeMask |
|
|
StructureNotifyMask | SubstructureRedirectMask |
|
|
VisibilityChangeMask );
|
|
XSelectInput( qt_xdisplay(), wrapper, ClientWinMask | SubstructureNotifyMask );
|
|
XSelectInput( qt_xdisplay(), client,
|
|
FocusChangeMask |
|
|
PropertyChangeMask |
|
|
ColormapChangeMask |
|
|
EnterWindowMask | LeaveWindowMask |
|
|
KeyPressMask | KeyReleaseMask
|
|
);
|
|
updateMouseGrab();
|
|
}
|
|
|
|
} // namespace
|