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tdebase/twin/manage.cpp

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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
/*
This file contains things relevant to handling incoming events.
*/
#include "client.h"
#include <kstartupinfo.h>
#include <kglobal.h>
#include <X11/extensions/shape.h>
#include "notifications.h"
#include "rules.h"
#include "group.h"
namespace KWinInternal
{
/*!
Manages the clients. This means handling the very first maprequest:
reparenting, initial geometry, initial state, placement, etc.
Returns false if KWin is not going to manage this window.
*/
bool Client::manage( Window w, bool isMapped )
{
XWindowAttributes attr;
if( !XGetWindowAttributes(tqt_xdisplay(), w, &attr))
return false;
grabXServer();
// from this place on, manage() mustn't return false
postpone_geometry_updates = 1;
pending_geometry_update = true; // force update when finishing with geometry changes
embedClient( w, attr );
// SELI order all these things in some sane manner
bool init_minimize = false;
XWMHints * hints = XGetWMHints(tqt_xdisplay(), w );
if (hints && (hints->flags & StateHint) && hints->initial_state == IconicState)
init_minimize = true;
if (hints)
XFree(hints);
if( isMapped )
init_minimize = false; // if it's already mapped, ignore hint
unsigned long properties[ 2 ];
properties[ WinInfo::PROTOCOLS ] =
NET::WMDesktop |
NET::WMState |
NET::WMWindowType |
NET::WMStrut |
NET::WMName |
NET::WMIconGeometry |
NET::WMIcon |
NET::WMPid |
NET::WMIconName |
0;
properties[ WinInfo::PROTOCOLS2 ] =
NET::WM2UserTime |
NET::WM2StartupId |
NET::WM2ExtendedStrut |
0;
info = new WinInfo( this, tqt_xdisplay(), client, tqt_xrootwin(), properties, 2 );
cmap = attr.colormap;
XClassHint classHint;
if ( XGetClassHint( tqt_xdisplay(), client, &classHint ) )
{
// Qt3.2 and older had this all lowercase, Qt3.3 capitalized resource class
// force lowercase, so that workarounds listing resource classes still work
resource_name = TQCString( classHint.res_name ).lower();
resource_class = TQCString( classHint.res_class ).lower();
XFree( classHint.res_name );
XFree( classHint.res_class );
}
ignore_focus_stealing = options->checkIgnoreFocusStealing( this ); // TODO change to rules
window_role = staticWindowRole( w );
getWmClientLeader();
getWmClientMachine();
// first only read the caption text, so that setupWindowRules() can use it for matching,
// and only then really set the caption using setCaption(), which checks for duplicates etc.
// and also relies on rules already existing
cap_normal = readName();
setupWindowRules( false );
setCaption( cap_normal, true );
detectNoBorder();
detectShapable();
fetchIconicName();
getWMHints(); // needs to be done before readTransient() because of reading the group
modal = ( info->state() & NET::Modal ) != 0; // needs to be valid before handling groups
readTransient();
getIcons();
getWindowProtocols();
getWmNormalHints(); // get xSizeHint
getMotifHints();
// TODO try to obey all state information from info->state()
original_skip_taskbar = skip_taskbar = ( info->state() & NET::SkipTaskbar) != 0;
skip_pager = ( info->state() & NET::SkipPager) != 0;
KStartupInfoId asn_id;
KStartupInfoData asn_data;
bool asn_valid = workspace()->checkStartupNotification( window(), asn_id, asn_data );
workspace()->updateClientLayer( this );
SessionInfo* session = workspace()->takeSessionInfo( this );
if ( session )
{
if ( session->minimized )
init_minimize = true;
if( session->userNoBorder )
setUserNoBorder( true );
}
setShortcut( rules()->checkShortcut( session ? session->shortcut : TQString::null, true ));
init_minimize = rules()->checkMinimize( init_minimize, !isMapped );
if( rules()->checkNoBorder( false, !isMapped ))
setUserNoBorder( true );
checkAndSetInitialRuledOpacity();
// initial desktop placement
if ( session )
{
desk = session->desktop;
if( session->onAllDesktops )
desk = NET::OnAllDesktops;
}
else
{
// if this window is transient, ensure that it is opened on the
// same window as its parent. this is necessary when an application
// starts up on a different desktop than is currently displayed
if( isTransient())
{
ClientList mainclients = mainClients();
bool on_current = false;
Client* maincl = NULL;
// this is slightly duplicated from Placement::placeOnMainWindow()
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end();
++it )
{
if( mainclients.count() > 1 && (*it)->isSpecialWindow())
continue; // don't consider toolbars etc when placing
maincl = *it;
if( (*it)->isOnCurrentDesktop())
on_current = true;
}
if( on_current )
desk = workspace()->currentDesktop();
else if( maincl != NULL )
desk = maincl->desktop();
}
if ( info->desktop() )
desk = info->desktop(); // window had the initial desktop property, force it
if( desktop() == 0 && asn_valid && asn_data.desktop() != 0 )
desk = asn_data.desktop();
}
if ( desk == 0 ) // assume window wants to be visible on the current desktop
desk = workspace()->currentDesktop();
desk = rules()->checkDesktop( desk, !isMapped );
if( desk != NET::OnAllDesktops ) // do range check
desk = KMAX( 1, KMIN( workspace()->numberOfDesktops(), desk ));
info->setDesktop( desk );
workspace()->updateOnAllDesktopsOfTransients( this ); // SELI
// onAllDesktopsChange(); decoration doesn't exist here yet
TQRect geom( attr.x, attr.y, attr.width, attr.height );
bool placementDone = FALSE;
if ( session )
geom = session->geometry;
TQRect area;
bool partial_keep_in_area = isMapped || session;
if( isMapped || session )
area = workspace()->clientArea( FullArea, geom.center(), desktop());
else if( options->xineramaPlacementEnabled )
{
int screen = options->xineramaPlacementScreen;
if( screen == -1 ) // active screen
screen = asn_data.xinerama() == -1 ? workspace()->activeScreen() : asn_data.xinerama();
area = workspace()->clientArea( PlacementArea, workspace()->screenGeometry( screen ).center(), desktop());
}
else
area = workspace()->clientArea( PlacementArea, TQCursor::pos(), desktop());
if( int type = checkFullScreenHack( geom ))
{
fullscreen_mode = FullScreenHack;
if( rules()->checkStrictGeometry( false ))
{
geom = type == 2 // 1 - it's xinerama-aware fullscreen hack, 2 - it's full area
? workspace()->clientArea( FullArea, geom.center(), desktop())
: workspace()->clientArea( ScreenArea, geom.center(), desktop());
}
else
geom = workspace()->clientArea( FullScreenArea, geom.center(), desktop());
placementDone = true;
}
if ( isDesktop() )
{
// desktops are treated slightly special
geom = workspace()->clientArea( FullArea, geom.center(), desktop());
placementDone = true;
}
bool usePosition = false;
if ( isMapped || session || placementDone )
placementDone = true; // use geometry
else if( isTransient() && !isUtility() && !isDialog() && !isSplash())
usePosition = true;
else if( isTransient() && !hasNETSupport())
usePosition = true;
else if( isDialog() && hasNETSupport())
// if the dialog is actually non-NETWM transient window, don't try to apply placement to it,
// it breaks with too many things (xmms, display)
{
if( mainClients().count() >= 1 )
{
#if 1
// TODO #78082 - Ok, it seems there are after all some cases when an application has a good
// reason to specify a position for its dialog. Too bad other WMs have never bothered
// with placement for dialogs, so apps always specify positions for their dialogs,
// including such silly positions like always centered on the screen or under mouse.
// Using ignoring requested position in window-specific settings helps, but at least
// for Qt apps this should work better.
usePosition = true;
#else
; // force using placement policy
#endif
}
else
usePosition = true;
}
else if( isSplash())
; // force using placement policy
else
usePosition = true;
if( !rules()->checkIgnoreGeometry( !usePosition ))
{
bool ignorePPosition = ( options->ignorePositionClasses.contains(TQString::fromLatin1(resourceClass())));
if ( ( (xSizeHint.flags & PPosition) && !ignorePPosition ) ||
(xSizeHint.flags & USPosition) )
{
placementDone = TRUE;
// disobey xinerama placement option for now (#70943)
area = workspace()->clientArea( PlacementArea, geom.center(), desktop());
}
}
if( true ) // size is always obeyed for now, only with constraints applied
if ( (xSizeHint.flags & USSize) || (xSizeHint.flags & PSize) )
{
// keep in mind that we now actually have a size :-)
}
if (xSizeHint.flags & PMaxSize)
geom.setSize( geom.size().boundedTo(
rules()->checkMaxSize( TQSize(xSizeHint.max_width, xSizeHint.max_height ) ) ) );
if (xSizeHint.flags & PMinSize)
geom.setSize( geom.size().expandedTo(
rules()->checkMinSize( TQSize(xSizeHint.min_width, xSizeHint.min_height ) ) ) );
if( isMovable())
{
if( geom.x() > area.right() || geom.y() > area.bottom())
placementDone = FALSE; // weird, do not trust.
}
if ( placementDone )
move( geom.x(), geom.y() ); // before gravitating
updateDecoration( false ); // also gravitates
// TODO is CentralGravity right here, when resizing is done after gravitating?
plainResize( rules()->checkSize( sizeForClientSize( geom.size()), !isMapped ));
TQPoint forced_pos = rules()->checkPosition( invalidPoint, !isMapped );
if( forced_pos != invalidPoint )
{
move( forced_pos );
placementDone = true;
// don't keep inside workarea if the window has specially configured position
partial_keep_in_area = true;
area = workspace()->clientArea( FullArea, geom.center(), desktop());
}
if( !placementDone )
{ // placement needs to be after setting size
workspace()->place( this, area );
placementDone = TRUE;
}
if(( !isSpecialWindow() || isToolbar()) && isMovable())
keepInArea( area, partial_keep_in_area );
XShapeSelectInput( tqt_xdisplay(), window(), ShapeNotifyMask );
is_shape = Shape::hasShape( window());
updateShape();
//CT extra check for stupid jdk 1.3.1. But should make sense in general
// if client has initial state set to Iconic and is transient with a parent
// window that is not Iconic, set init_state to Normal
if( init_minimize && isTransient())
{
ClientList mainclients = mainClients();
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end();
++it )
if( (*it)->isShown( true ))
init_minimize = false; // SELI even e.g. for NET::Utility?
}
// if a dialog is shown for minimized window, minimize it too
if( !init_minimize && isTransient() && mainClients().count() > 0 )
{
bool visible_parent = false;
ClientList mainclients = mainClients();
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end();
++it )
if( (*it)->isShown( true ))
visible_parent = true;
if( !visible_parent )
{
init_minimize = true;
demandAttention();
}
}
if( init_minimize )
minimize( true ); // no animation
// SELI this seems to be mainly for kstart and ksystraycmd
// probably should be replaced by something better
bool doNotShow = false;
if ( workspace()->isNotManaged( caption() ) )
doNotShow = TRUE;
// other settings from the previous session
if ( session )
{
// session restored windows are not considered to be new windows WRT rules,
// i.e. obey only forcing rules
setKeepAbove( session->keepAbove );
setKeepBelow( session->keepBelow );
setSkipTaskbar( session->skipTaskbar, true );
setSkipPager( session->skipPager );
setShade( session->shaded ? ShadeNormal : ShadeNone );
setShadowed( session->shadowed );
if( session->maximized != MaximizeRestore )
{
maximize( (MaximizeMode) session->maximized );
geom_restore = session->restore;
}
if( session->fullscreen == FullScreenHack )
; // nothing, this should be already set again above
else if( session->fullscreen != FullScreenNone )
{
setFullScreen( true, false );
geom_fs_restore = session->fsrestore;
}
}
else
{
geom_restore = geometry(); // remember restore geometry
if ( isMaximizable()
&& ( width() >= area.width() || height() >= area.height() ) )
{
// window is too large for the screen, maximize in the
// directions necessary
if ( width() >= area.width() && height() >= area.height() )
{
maximize( Client::MaximizeFull );
geom_restore = TQRect(); // use placement when unmaximizing
}
else if ( width() >= area.width() )
{
maximize( Client::MaximizeHorizontal );
geom_restore = TQRect(); // use placement when unmaximizing
geom_restore.setY( y()); // but only for horizontal direction
geom_restore.setHeight( height());
}
else if ( height() >= area.height() )
{
maximize( Client::MaximizeVertical );
geom_restore = TQRect(); // use placement when unmaximizing
geom_restore.setX( x()); // but only for vertical direction
geom_restore.setWidth( width());
}
}
// window may want to be maximized
// done after checking that the window isn't larger than the workarea, so that
// the restore geometry from the checks above takes precedence, and window
// isn't restored larger than the workarea
MaximizeMode maxmode = static_cast< MaximizeMode >
((( info->state() & NET::MaxVert ) ? MaximizeVertical : 0 )
| (( info->state() & NET::MaxHoriz ) ? MaximizeHorizontal : 0 ));
MaximizeMode forced_maxmode = rules()->checkMaximize( maxmode, !isMapped );
// either hints were set to maximize, or is forced to maximize,
// or is forced to non-maximize and hints were set to maximize
if( forced_maxmode != MaximizeRestore || maxmode != MaximizeRestore )
maximize( forced_maxmode );
// read other initial states
setShade( rules()->checkShade( info->state() & NET::Shaded ? ShadeNormal : ShadeNone, !isMapped ));
setKeepAbove( rules()->checkKeepAbove( info->state() & NET::KeepAbove, !isMapped ));
setKeepBelow( rules()->checkKeepBelow( info->state() & NET::KeepBelow, !isMapped ));
setSkipTaskbar( rules()->checkSkipTaskbar( info->state() & NET::SkipTaskbar, !isMapped ), true );
setSkipPager( rules()->checkSkipPager( info->state() & NET::SkipPager, !isMapped ));
if( info->state() & NET::DemandsAttention )
demandAttention();
if( info->state() & NET::Modal )
setModal( true );
if( fullscreen_mode != FullScreenHack && isFullScreenable())
setFullScreen( rules()->checkFullScreen( info->state() & NET::FullScreen, !isMapped ), false );
}
updateAllowedActions( true );
// TODO this should avoid flicker, because real restacking is done
// only after manage() finishes, but the window is shown sooner
// - keep it?
XLowerWindow( tqt_xdisplay(), frameId());
// set initial user time directly
user_time = readUserTimeMapTimestamp( asn_valid ? &asn_id : NULL, asn_valid ? &asn_data : NULL, session );
group()->updateUserTime( user_time ); // and do what Client::updateUserTime() does
if( isTopMenu()) // they're shown in Workspace::addClient() if their mainwindow
hideClient( true ); // is the active one
if( isShown( true ) && !doNotShow )
{
if( isDialog())
Notify::raise( Notify::TransNew );
if( isNormalWindow())
Notify::raise( Notify::New );
bool allow;
if( session )
allow = session->active
&& ( !workspace()->wasUserInteraction()
|| workspace()->activeClient() == NULL || workspace()->activeClient()->isDesktop());
else
allow = workspace()->allowClientActivation( this, userTime(), false );
// if session saving, force showing new windows (i.e. "save file?" dialogs etc.)
// also force if activation is allowed
if( !isOnCurrentDesktop() && !isMapped && !session && ( allow || workspace()->sessionSaving()))
workspace()->setCurrentDesktop( desktop());
bool belongs_to_desktop = false;
for( ClientList::ConstIterator it = group()->members().begin();
it != group()->members().end();
++it )
if( (*it)->isDesktop())
{
belongs_to_desktop = true;
break;
}
if( !belongs_to_desktop && workspace()->showingDesktop())
workspace()->resetShowingDesktop( options->showDesktopIsMinimizeAll );
if( isOnCurrentDesktop() && !isMapped && !allow )
workspace()->restackClientUnderActive( this );
else
workspace()->raiseClient( this );
updateVisibility();
if( !isMapped )
{
if( allow && isOnCurrentDesktop())
{
if( !isSpecialWindow())
if ( options->focusPolicyIsReasonable() && wantsTabFocus() )
workspace()->requestFocus( this );
}
else
{
if( !session && !isSpecialWindow())
demandAttention();
}
}
}
else if( !doNotShow ) // if( !isShown( true ) && !doNotShow )
{
updateVisibility();
}
else // doNotShow
{ // SELI HACK !!!
hideClient( true );
setMappingState( IconicState );
}
assert( mappingState() != WithdrawnState );
if( user_time == CurrentTime || user_time == -1U ) // no known user time, set something old
{
user_time = GET_QT_X_TIME() - 1000000;
if( user_time == CurrentTime || user_time == -1U ) // let's be paranoid
user_time = GET_QT_X_TIME() - 1000000 + 10;
}
updateWorkareaDiffs();
// sendSyntheticConfigureNotify(); done when setting mapping state
delete session;
ungrabXServer();
client_rules.discardTemporary();
applyWindowRules(); // just in case
workspace()->discardUsedWindowRules( this, false ); // remove ApplyNow rules
updateWindowRules(); // was blocked while !isManaged()
// Handle suspended processes
if (isResumeable())
{
suspendWindow(); // It won't hurt to stop the process again, and this will update the displayed captions
}
// TODO there's a small problem here - isManaged() depends on the mapping state,
// but this client is not yet in Workspace's client list at this point, will
// be only done in addClient()
return true;
}
// called only from manage()
void Client::embedClient( Window w, const XWindowAttributes &attr )
{
assert( client == None );
assert( frame == None );
assert( wrapper == None );
client = w;
// we don't want the window to be destroyed when we are destroyed
XAddToSaveSet( tqt_xdisplay(), client );
XSelectInput( tqt_xdisplay(), client, NoEventMask );
XUnmapWindow( tqt_xdisplay(), client );
XWindowChanges wc; // set the border width to 0
wc.border_width = 0; // TODO possibly save this, and also use it for initial configuring of the window
XConfigureWindow( tqt_xdisplay(), client, CWBorderWidth, &wc );
XSetWindowAttributes swa;
swa.colormap = attr.colormap;
swa.background_pixmap = None;
swa.border_pixel = 0;
frame = XCreateWindow( tqt_xdisplay(), tqt_xrootwin(), 0, 0, 1, 1, 0,
attr.depth, InputOutput, attr.visual,
CWColormap | CWBackPixmap | CWBorderPixel, &swa );
wrapper = XCreateWindow( tqt_xdisplay(), frame, 0, 0, 1, 1, 0,
attr.depth, InputOutput, attr.visual,
CWColormap | CWBackPixmap | CWBorderPixel, &swa );
XDefineCursor( tqt_xdisplay(), frame, tqarrowCursor.handle());
// some apps are stupid and don't define their own cursor - set the arrow one for them
XDefineCursor( tqt_xdisplay(), wrapper, tqarrowCursor.handle());
XReparentWindow( tqt_xdisplay(), client, wrapper, 0, 0 );
XSelectInput( tqt_xdisplay(), frame,
KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask |
KeymapStateMask |
ButtonMotionMask |
PointerMotionMask |
EnterWindowMask | LeaveWindowMask |
FocusChangeMask |
ExposureMask |
PropertyChangeMask |
StructureNotifyMask | SubstructureRedirectMask );
XSelectInput( tqt_xdisplay(), wrapper, ClientWinMask | SubstructureNotifyMask );
XSelectInput( tqt_xdisplay(), client,
FocusChangeMask |
PropertyChangeMask |
ColormapChangeMask |
EnterWindowMask | LeaveWindowMask |
KeyPressMask | KeyReleaseMask
);
updateMouseGrab();
}
} // namespace
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