summaryrefslogtreecommitdiffstats
path: root/twin/manage.cpp
blob: 48a32dad7825ca11ddf8c201fdd2cc4fc591891c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
/*****************************************************************
 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(qt_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(qt_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, qt_xdisplay(), client, qt_xrootwin(), properties, 2 );

    cmap = attr.colormap;

    XClassHint classHint;
    if ( XGetClassHint( qt_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( qt_xdisplay(), window(), ShapeNotifyMask );
    is_tqshape = 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( qt_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()

// 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( qt_xdisplay(), client );
    XSelectInput( qt_xdisplay(), client, NoEventMask );
    XUnmapWindow( qt_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( qt_xdisplay(), client, CWBorderWidth, &wc );

    XSetWindowAttributes swa;
    swa.colormap = attr.colormap;
    swa.background_pixmap = None;
    swa.border_pixel = 0;

    frame = XCreateWindow( qt_xdisplay(), qt_xrootwin(), 0, 0, 1, 1, 0,
		    attr.depth, InputOutput, attr.visual,
		    CWColormap | CWBackPixmap | CWBorderPixel, &swa );
    wrapper = XCreateWindow( qt_xdisplay(), frame, 0, 0, 1, 1, 0,
		    attr.depth, InputOutput, attr.visual,
		    CWColormap | CWBackPixmap | CWBorderPixel, &swa );

    XDefineCursor( qt_xdisplay(), frame, tqarrowCursor.handle());
    // some apps are stupid and don't define their own cursor - set the arrow one for them
    XDefineCursor( qt_xdisplay(), wrapper, tqarrowCursor.handle());
    XReparentWindow( qt_xdisplay(), client, wrapper, 0, 0 );
    XSelectInput( qt_xdisplay(), frame,
            KeyPressMask | KeyReleaseMask |
            ButtonPressMask | ButtonReleaseMask |
            KeymapStateMask |
            ButtonMotionMask |
            PointerMotionMask |
            EnterWindowMask | LeaveWindowMask |
            FocusChangeMask |
            ExposureMask |
            PropertyChangeMask |
            StructureNotifyMask | SubstructureRedirectMask );
    XSelectInput( qt_xdisplay(), wrapper, ClientWinMask | SubstructureNotifyMask );
    XSelectInput( qt_xdisplay(), client,
                  FocusChangeMask |
                  PropertyChangeMask |
                  ColormapChangeMask |
                  EnterWindowMask | LeaveWindowMask |
                  KeyPressMask | KeyReleaseMask
                  );
    updateMouseGrab();
    }

} // namespace