summaryrefslogtreecommitdiffstats
path: root/kolourpaint/kpmainwindow_edit.cpp
blob: 8d3cdd612bb1955588e1e9a3bca0a1d5f3e870d1 (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
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069

/*
   Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   1. Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
   2. Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <kpmainwindow.h>

#include <tqapplication.h>
#include <clipboard.h>
#include <tqdatetime.h>
#include <tqfontmetrics.h>
#include <tqimage.h>
#include <tqpixmap.h>
#include <tqvaluevector.h>

#include <kaction.h>
#include <kdebug.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kstdaction.h>

#include <kpcommandhistory.h>
#include <kpdocument.h>
#include <kpdocumentmetainfo.h>
#include <kpdocumentsaveoptions.h>
#include <kppixmapfx.h>
#include <kpselection.h>
#include <kpselectiondrag.h>
#include <kpselectiontransparency.h>
#include <kptool.h>
#include <kptoolcrop.h>
#include <kptoolresizescale.h>
#include <kptoolselection.h>
#include <kptooltext.h>
#include <kpviewmanager.h>
#include <kpviewscrollablecontainer.h>
#include <kpzoomedview.h>


// private
kpPixmapFX::WarnAboutLossInfo kpMainWindow::pasteWarnAboutLossInfo ()
{
    return kpPixmapFX::WarnAboutLossInfo (
               i18n ("The image to be pasted"
                     " may have more colors than the current screen mode."
                     " In order to display it, some colors may be changed."
                     " Try increasing your screen depth to at least %1bpp."

                     "\nIt also"

                     " contains translucency which is not fully"
                     " supported. The translucency data will be"
                     " approximated with a 1-bit transparency mask."),
               i18n ("The image to be pasted"
                     " may have more colors than the current screen mode."
                     " In order to display it, some colors may be changed."
                     " Try increasing your screen depth to at least %1bpp."),
               i18n ("The image to be pasted"
                     " contains translucency which is not fully"
                     " supported. The translucency data will be"
                     " approximated with a 1-bit transparency mask."),
               "paste",
               this);
}


// private
void kpMainWindow::setupEditMenuActions ()
{
    KActionCollection *ac = actionCollection ();


    // Undo/Redo
    // CONFIG: need GUI
    m_commandHistory = new kpCommandHistory (true/*read config*/, this);

    if (m_configFirstTime)
    {
        // (so that cfg-file-editing user can modify in the meantime)
        m_commandHistory->writeConfig ();
    }


    m_actionCut = KStdAction::cut (TQT_TQOBJECT(this), TQT_SLOT (slotCut ()), ac);
    m_actionCopy = KStdAction::copy (TQT_TQOBJECT(this), TQT_SLOT (slotCopy ()), ac);
    m_actionPaste = KStdAction::paste (TQT_TQOBJECT(this), TQT_SLOT (slotPaste ()), ac);
    m_actionPasteInNewWindow = new KAction (i18n ("Paste in &New Window"),
        TQt::CTRL + TQt::SHIFT + TQt::Key_V,
        TQT_TQOBJECT(this), TQT_SLOT (slotPasteInNewWindow ()), ac, "edit_paste_in_new_window");

    //m_actionDelete = KStdAction::clear (this, TQT_SLOT (slotDelete ()), ac);
    m_actionDelete = new KAction (i18n ("&Delete Selection"), 0,
        TQT_TQOBJECT(this), TQT_SLOT (slotDelete ()), ac, "edit_clear");

    m_actionSelectAll = KStdAction::selectAll (TQT_TQOBJECT(this), TQT_SLOT (slotSelectAll ()), ac);
    m_actionDeselect = KStdAction::deselect (TQT_TQOBJECT(this), TQT_SLOT (slotDeselect ()), ac);


    m_actionCopyToFile = new KAction (i18n ("C&opy to File..."), 0,
        TQT_TQOBJECT(this), TQT_SLOT (slotCopyToFile ()), ac, "edit_copy_to_file");
    m_actionPasteFromFile = new KAction (i18n ("Paste &From File..."), 0,
        TQT_TQOBJECT(this), TQT_SLOT (slotPasteFromFile ()), ac, "edit_paste_from_file");


    m_editMenuDocumentActionsEnabled = false;
    enableEditMenuDocumentActions (false);

    // Paste should always be enabled, as long as there is something paste
    // (independent of whether we have a document or not)
    connect (TQApplication::clipboard (), TQT_SIGNAL (dataChanged ()),
             TQT_TQOBJECT(this), TQT_SLOT (slotEnablePaste ()));
    slotEnablePaste ();
}

// private
void kpMainWindow::enableEditMenuDocumentActions (bool enable)
{
    // m_actionCut
    // m_actionCopy
    // m_actionPaste
    // m_actionPasteInNewWindow

    // m_actionDelete

    m_actionSelectAll->setEnabled (enable);
    // m_actionDeselect

    m_editMenuDocumentActionsEnabled = enable;

    // m_actionCopyToFile
    // Unlike m_actionPaste, we disable this if there is no document.
    // This is because "File / Open" would do the same thing, if there is
    // no document.
    m_actionPasteFromFile->setEnabled (enable);
}


// public
TQPopupMenu *kpMainWindow::selectionToolRMBMenu ()
{
    return (TQPopupMenu *) guiFactory ()->container ("selectionToolRMBMenu", this);
}


// private slot
void kpMainWindow::slotCut ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotCut() CALLED" << endl;
#endif

    if (!m_document || !m_document->selection ())
    {
        kdError () << "kpMainWindow::slotCut () doc=" << m_document
                   << " sel=" << (m_document ? m_document->selection () : 0)
                   << endl;
        return;
    }


    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();

    slotCopy ();
    slotDelete ();

    TQApplication::restoreOverrideCursor ();

}

// private slot
void kpMainWindow::slotCopy ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotCopy() CALLED" << endl;
#endif

    if (!m_document || !m_document->selection ())
    {
        kdError () << "kpMainWindow::slotCopy () doc=" << m_document
                   << " sel=" << (m_document ? m_document->selection () : 0)
                   << endl;
        return;
    }


    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();

    kpSelection sel = *m_document->selection ();
    // Transparency doesn't get sent across the aether so nuke it now
    // so that transparency mask doesn't get needlessly recalculated
    // if we ever call sel.setPixmap().
    sel.setTransparency (kpSelectionTransparency ());

    if (sel.isText ())
    {
        if (!sel.text ().isEmpty ())
        {
            TQApplication::clipboard ()->setData (new TQTextDrag (sel.text ()),
                                                 TQClipboard::Clipboard);

            // SYNC: Normally, users highlight text and press CTRL+C.
            //       Highlighting text copies it to the X11 "middle
            //       mouse button" clipboard.  CTRL+C copies it to the
            //       separate, Windows-like "CTRL+V" clipboard.
            //
            //       However, KolourPaint doesn't support highlighting.
            //       So when they press CTRL+C to copy all text, simulate
            //       the highlighting by copying the text to the "middle
            //       mouse button" clipboard.  We don't do this for images
            //       as no one ever middle-mouse-pastes images.
            //
            //       Note that we don't share the TQTextDrag pointer with
            //       the above in case TQt doesn't expect it.
            //
            //       Once we change KolourPaint to support highlighted text
            //       and CTRL+C to copy only the highlighted text, delete
            //       this code.
            TQApplication::clipboard ()->setData (new TQTextDrag (sel.text ()),
                                                 TQClipboard::Selection);
        }
    }
    else
    {
        TQPixmap rawPixmap;

        if (sel.pixmap ())
            rawPixmap = *sel.pixmap ();
        else
            rawPixmap = m_document->getSelectedPixmap ();
        
        // Some apps, such as OpenOffice.org 2.0.4, ignore the image mask
        // when pasting.  For transparent pixels, the uninitialized RGB
        // values are used.  Fix this by initializing those values to a
        // neutral color -- white.
        //
        // Strangely enough, OpenOffice.org respects the mask when inserting
        // an image from a file, as opposed to pasting one from the clipboard.
        sel.setPixmap (
            kpPixmapFX::pixmapWithDefinedTransparentPixels (
                rawPixmap,
                TQt::white));  // CONFIG
        
        TQApplication::clipboard ()->setData (new kpSelectionDrag (sel),
                                             TQClipboard::Clipboard);
    }

    TQApplication::restoreOverrideCursor ();
}


static bool HasSomethingToPaste (kpMainWindow *mw)
{
#if DEBUG_KP_MAIN_WINDOW
    kdDebug () << "kpMainWindow(" << mw->name () << "):HasSomethingToPaste()" << endl;
    TQTime timer;
    timer.start ();
#else
    (void) mw;
#endif

    bool hasSomething = false;

    TQMimeSource *ms = TQApplication::clipboard ()->data (TQClipboard::Clipboard);
    if (ms)
    {
        // It's faster to test for TQTextDrag::canDecode() first due to the
        // lazy evaluation of the '||' operator.
        hasSomething = (TQTextDrag::canDecode (ms) ||
                        kpSelectionDrag::canDecode (ms));
    #if DEBUG_KP_MAIN_WINDOW
        kdDebug () << "\t" << mw->name () << "***canDecode=" << timer.restart () << endl;
        for (int i = 0; ; i++)
        {
            const char *fmt = ms->format (i);
            if (!fmt)
                break;

            kdDebug () << "\t'" << fmt << "'" << endl;
        }
    #endif
    }

    return hasSomething;
}

// HACK: SYNC: Non-TQt apps do not cause TQApplication::tqclipboard() to
//             emit dataChanged().  We don't want to have our paste
//             action disabled when we can actually paste something.
//
//             So we make sure the paste action is always enabled and
//             before any paste, we check if there's actually something
//             to paste (HasSomethingToPasteWithDialogIfNot ()).

#if 1  // Hack code path


// Call before any paste only.
static bool HasSomethingToPasteWithDialogIfNot (kpMainWindow *mw)
{
    if (::HasSomethingToPaste (mw))
        return true;

    // STRING: Unfortunately, we are in a string freeze.
#if 1
    (void) mw;
#else
    TQApplication::setOverrideCursor (TQt::arrowCursor);

    KMessageBox::sorry (mw,
        STRING_FREEZE_i18n ("<qt><p>There is nothing in the clipboard to paste.</p></qt>"),
        STRING_FREEZE_i18n ("Cannot Paste"));

    TQApplication::restoreOverrideCursor ();
#endif

    return false;
}

// private slot
void kpMainWindow::slotEnablePaste ()
{
    const bool shouldEnable = true;
    m_actionPasteInNewWindow->setEnabled (shouldEnable);
    m_actionPaste->setEnabled (shouldEnable);
}


#else  // No hack


// Call before any paste only.
static bool HasSomethingToPasteWithDialogIfNot (kpMainWindow *)
{
    // We will not be called if there's nothing to paste, as the paste
    // action would have been disabled.  But do _not_ assert that
    // (see the slotPaste() "data unexpectedly disappeared" KMessageBox).
    return true;
}

// private slot
void kpMainWindow::slotEnablePaste ()
{
    const bool shouldEnable = ::HasSomethingToPaste (this);
    m_actionPasteInNewWindow->setEnabled (shouldEnable);
    m_actionPaste->setEnabled (shouldEnable);
}
 
 
#endif


// private
TQRect kpMainWindow::calcUsefulPasteRect (int pixmapWidth, int pixmapHeight)
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::calcUsefulPasteRect("
               << pixmapWidth << "," << pixmapHeight
               << ")"
               << endl;
#endif
    if (!m_document)
    {
        kdError () << "kpMainWindow::calcUsefulPasteRect() without doc" << endl;
        return TQRect ();
    }

    // TODO: 1st choice is to paste sel near but not overlapping last deselect point

    if (m_mainView && m_scrollView)
    {
        const TQPoint viewTopLeft (m_scrollView->contentsX (),
                                  m_scrollView->contentsY ());

        const TQPoint docTopLeft = m_mainView->transformViewToDoc (viewTopLeft);

        if ((docTopLeft.x () + pixmapWidth <= m_document->width () &&
             docTopLeft.y () + pixmapHeight <= m_document->height ()) ||
            pixmapWidth <= docTopLeft.x () ||
            pixmapHeight <= docTopLeft.y ())
        {
            return TQRect (docTopLeft.x (), docTopLeft.y (),
                          pixmapWidth, pixmapHeight);
        }
    }

    return TQRect (0, 0, pixmapWidth, pixmapHeight);
}

// private
void kpMainWindow::paste (const kpSelection &sel, bool forceTopLeft)
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::paste(forceTopLeft=" << forceTopLeft << ")"
               << endl;
#endif

    if (!sel.pixmap ())
    {
        kdError () << "kpMainWindow::paste() with sel without pixmap" << endl;
        return;
    }

    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    //
    // Make sure we've got a document (esp. with File/Close)
    //

    if (!m_document)
    {
        kpDocument *newDoc = new kpDocument (
            sel.width (), sel.height (), this);

        // will also create viewManager
        setDocument (newDoc);
    }


    //
    // Paste as new selection
    //

    kpSelection selInUsefulPos = sel;
    if (!forceTopLeft)
        selInUsefulPos.moveTo (calcUsefulPasteRect (sel.width (), sel.height ()).topLeft ());
    addDeselectFirstCommand (new kpToolSelectionCreateCommand (
        selInUsefulPos.isText () ?
            i18n ("Text: Create Box") :
            i18n ("Selection: Create"),
        selInUsefulPos,
        this));


#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "sel.size=" << TQSize (sel.width (), sel.height ())
               << " document.size="
               << TQSize (m_document->width (), m_document->height ())
               << endl;
#endif

    // If the selection is bigger than the document, automatically
    // resize the document (with the option of Undo'ing) to fit
    // the selection.
    //
    // No annoying dialog necessary.
    //
    if (sel.width () > m_document->width () ||
        sel.height () > m_document->height ())
    {
        m_commandHistory->addCommand (
            new kpToolResizeScaleCommand (
                false/*act on doc, not sel*/,
                TQMAX (sel.width (), m_document->width ()),
                TQMAX (sel.height (), m_document->height ()),
                kpToolResizeScaleCommand::Resize,
                this));
    }


    TQApplication::restoreOverrideCursor ();
}

// public
void kpMainWindow::pasteText (const TQString &text,
                              bool forceNewTextSelection,
                              const TQPoint &newTextSelectionTopLeft)
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::pasteText(" << text
               << ",forceNewTextSelection=" << forceNewTextSelection
               << ",newTextSelectionTopLeft=" << newTextSelectionTopLeft
               << ")" << endl;
#endif

    if (text.isEmpty ())
        return;


    // sync: restoreOverrideCursor() in all exit paths
    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    TQValueVector <TQString> textLines (1, TQString());

    for (int i = 0; i < (int) text.length (); i++)
    {
        if (text [i] == '\n')
            textLines.push_back (TQString());
        else
            textLines [textLines.size () - 1].append (text [i]);
    }


    if (!forceNewTextSelection &&
        m_document && m_document->selection () &&
        m_document->selection ()->isText () &&
        m_commandHistory && m_viewManager)
    {
    #if DEBUG_KP_MAIN_WINDOW && 1
        kdDebug () << "\treusing existing Text Selection" << endl;
    #endif

        kpMacroCommand *macroCmd = new kpMacroCommand (i18n ("Text: Paste"),
            this);

        for (int i = 0; i < (int) textLines.size (); i++)
        {
            if (i > 0)
            {
                macroCmd->addCommand (
                    new kpToolTextEnterCommand (
                        TQString()/*uninteresting child of macroCmd*/,
                        m_viewManager->textCursorRow (),
                        m_viewManager->textCursorCol (),
                        this));
            }

            macroCmd->addCommand (
                new kpToolTextInsertCommand (
                    TQString()/*uninteresting child of macroCmd*/,
                    m_viewManager->textCursorRow (),
                    m_viewManager->textCursorCol (),
                    textLines [i],
                    this));
        }

        m_commandHistory->addCommand (macroCmd, false/*no exec*/);
    }
    else
    {
    #if DEBUG_KP_MAIN_WINDOW && 1
        kdDebug () << "\tcreating Text Selection" << endl;
    #endif

        const kpTextStyle ts = textStyle ();
        const TQFontMetrics fontMetrics = ts.fontMetrics ();

        int height = textLines.size () * fontMetrics.height ();
        if (textLines.size () >= 1)
            height += (textLines.size () - 1) * fontMetrics.leading ();

        int width = 0;
        for (TQValueVector <TQString>::const_iterator it = textLines.begin ();
             it != textLines.end ();
             it++)
        {
            const int w = fontMetrics.width (*it);
            if (w > width)
                width = w;
        }


        const int selWidth = TQMAX (kpSelection::minimumWidthForTextStyle (ts),
                                   width + kpSelection::textBorderSize () * 2);
        const int selHeight = TQMAX (kpSelection::minimumHeightForTextStyle (ts),
                                    height + kpSelection::textBorderSize () * 2);
        kpSelection sel (TQRect (0, 0, selWidth, selHeight),
                         textLines,
                         ts);

        if (newTextSelectionTopLeft != KP_INVALID_POINT)
        {
            sel.moveTo (newTextSelectionTopLeft);
            paste (sel, true/*force topLeft*/);
        }
        else
        {
            paste (sel);
        }
    }


    TQApplication::restoreOverrideCursor ();
}

// public
void kpMainWindow::pasteTextAt (const TQString &text, const TQPoint &point,
                                bool allowNewTextSelectionPointShift)
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::pasteTextAt(" << text
               << ",point=" << point
               << ",allowNewTextSelectionPointShift="
               << allowNewTextSelectionPointShift
               << ")" << endl;
#endif

    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    if (m_document &&
        m_document->selection () &&
        m_document->selection ()->isText () &&
        m_document->selection ()->pointIsInTextArea (point))
    {
        kpSelection *sel = m_document->selection ();

        const int row = sel->textRowForPoint (point);
        const int col = sel->textColForPoint (point);

        m_viewManager->setTextCursorPosition (row, col);

        pasteText (text);
    }
    else
    {
        TQPoint pointToUse = point;

        if (allowNewTextSelectionPointShift)
        {
            // TODO: In terms of doc pixels, would be inconsistent behaviour
            //       based on zoomLevel of view.
            // pointToUse -= TQPoint (-view->selectionResizeHandleAtomicSize (),
            //                       -view->selectionResizeHandleAtomicSize ());
        }

        pasteText (text, true/*force new text selection*/, pointToUse);
    }

    TQApplication::restoreOverrideCursor ();
}

// public slot
void kpMainWindow::slotPaste ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotPaste() CALLED" << endl;
#endif

    // sync: restoreOverrideCursor() in all exit paths
    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    if (!::HasSomethingToPasteWithDialogIfNot (this))
    {
        TQApplication::restoreOverrideCursor ();
        return;
    }


    //
    // Acquire the pixmap
    //

    TQMimeSource *ms = TQApplication::clipboard ()->data (TQClipboard::Clipboard);
    if (!ms)
    {
        kdError () << "kpMainWindow::slotPaste() without mimeSource" << endl;
        TQApplication::restoreOverrideCursor ();
        return;
    }

    kpSelection sel;
    TQString text;
    if (kpSelectionDrag::decode (ms, sel/*ref*/, pasteWarnAboutLossInfo ()))
    {
        sel.setTransparency (selectionTransparency ());
        paste (sel);
    }
    else if (TQTextDrag::decode (ms, text/*ref*/))
    {
        pasteText (text);
    }
    else
    {
        TQApplication::restoreOverrideCursor ();

        kdDebug () << "kpMainWindow::slotPaste() could not decode selection" << endl;
        kdDebug () << "\tFormats supported:" << endl;
        for (int i = 0; ms->format (i); i++)
        {
            kdDebug () << "\t\t" << i << ":" << ms->format (i) << endl;
        }

        // TODO: fix Klipper
        KMessageBox::sorry (this,
            i18n ("<qt><p>KolourPaint cannot paste the contents of"
                  " the clipboard as the data unexpectedly disappeared.</p>"

                  "<p>This usually occurs if the application which was"
                  " responsible"
                  " for the clipboard contents has been closed.</p></qt>"),
            i18n ("Cannot Paste"));

        // TODO: PROPAGATE: interprocess
        if (KMainWindow::memberList)
        {
        #if DEBUG_KP_MAIN_WINDOW
            kdDebug () << "\thave memberList" << endl;
        #endif

            for (TQPtrList <KMainWindow>::const_iterator it = KMainWindow::memberList->begin ();
                 it != KMainWindow::memberList->end ();
                 it++)
            {
                kpMainWindow *mw = dynamic_cast <kpMainWindow *> (*it);

                if (!mw)
                {
                    kdError () << "kpMainWindow::slotPaste() given fake kpMainWindow: " << (*it) << endl;
                    continue;
                }
            #if DEBUG_KP_MAIN_WINDOW
                kdDebug () << "\t\tmw=" << mw << endl;
            #endif

                mw->slotEnablePaste ();
            }
        }

        return;
    }

    TQApplication::restoreOverrideCursor ();
}

// private slot
void kpMainWindow::slotPasteInNewWindow ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotPasteInNewWindow() CALLED" << endl;
#endif

    // sync: restoreOverrideCursor() in all exit paths
    TQApplication::setOverrideCursor (TQt::waitCursor);

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    if (!::HasSomethingToPasteWithDialogIfNot (this))
    {
        TQApplication::restoreOverrideCursor ();
        return;
    }


    //
    // Pasting must ensure that:
    //
    // Requirement 1. the document is the same size as the image to be pasted.
    // Requirement 2. transparent pixels in the image must remain as transparent.
    //

    kpMainWindow *win = new kpMainWindow (0/*no document*/);
    win->show ();

    // Make "Edit / Paste in New Window" always paste white pixels as white.
    // Don't let selection transparency get in the way and paste them as
    // transparent.
    kpSelectionTransparency transparency = win->selectionTransparency ();
    if (transparency.isTransparent ())
    {
    #if DEBUG_KP_MAIN_WINDOW && 1
        kdDebug () << "\tchanging selection transparency to opaque" << endl;
    #endif
        transparency.setOpaque ();
        // Since we are setting selection transparency programmatically
        // -- as opposed to in response to user input -- this will not
        // affect the selection transparency tool option widget's "last used"
        // config setting.
        win->setSelectionTransparency (transparency);
    }

    // (this handles Requirement 1. above)
    win->slotPaste ();

    // (this handles Requirement 2. above;
    //  slotDeselect() is not enough unless the document is filled with the
    //  transparent color in advance)
    win->slotCrop ();


    TQApplication::restoreOverrideCursor ();
}

// public slot
void kpMainWindow::slotDelete ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotDelete() CALLED" << endl;
#endif
    if (!m_actionDelete->isEnabled ())
    {
    #if DEBUG_KP_MAIN_WINDOW && 1
        kdDebug () << "\taction not enabled - was probably called from kpTool::keyPressEvent()" << endl;
    #endif
        return;
    }

    if (!m_document || !m_document->selection ())
    {
        kdError () << "kpMainWindow::slotDelete () doc=" << m_document
                   << " sel=" << (m_document ? m_document->selection () : 0)
                   << endl;
        return;
    }

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();

    addImageOrSelectionCommand (new kpToolSelectionDestroyCommand (
        m_document->selection ()->isText () ?
            i18n ("Text: Delete Box") :  // not to be confused with i18n ("Text: Delete")
            i18n ("Selection: Delete"),
        false/*no push onto doc*/,
        this));
}


// private slot
void kpMainWindow::slotSelectAll ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotSelectAll() CALLED" << endl;
#endif
    if (!m_document)
    {
        kdError () << "kpMainWindow::slotSelectAll() without doc" << endl;
        return;
    }

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();

    if (m_document->selection ())
        slotDeselect ();

    // just the border - don't actually pull pixmap from doc yet
    m_document->setSelection (kpSelection (kpSelection::Rectangle, m_document->rect (), selectionTransparency ()));

    if (tool ())
        tool ()->somethingBelowTheCursorChanged ();
}


// private
void kpMainWindow::addDeselectFirstCommand (kpCommand *cmd)
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::addDeselectFirstCommand("
               << cmd
               << ")"
               << endl;
#endif


    kpSelection *sel = m_document->selection ();

#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "\tsel=" << sel << endl;
#endif

    if (sel)
    {
        // if you just dragged out something with no action then
        // forget the drag
        if (!sel->pixmap ())
        {
        #if DEBUG_KP_MAIN_WINDOW && 1
            kdDebug () << "\tjust a fresh border - was nop - delete" << endl;
        #endif
            m_document->selectionDelete ();
            if (tool ())
                tool ()->somethingBelowTheCursorChanged ();

            if (cmd)
                m_commandHistory->addCommand (cmd);
        }
        else
        {
        #if DEBUG_KP_MAIN_WINDOW && 1
            kdDebug () << "\treal selection with pixmap - push onto doc cmd" << endl;
        #endif
            kpCommand *deselectCommand = new kpToolSelectionDestroyCommand (
                sel->isText () ?
                    i18n ("Text: Finish") :
                    i18n ("Selection: Deselect"),
                true/*push onto document*/,
                this);

            if (cmd)
            {
                kpMacroCommand *macroCmd = new kpMacroCommand (cmd->name (), this);
                macroCmd->addCommand (deselectCommand);
                macroCmd->addCommand (cmd);
                m_commandHistory->addCommand (macroCmd);
            }
            else
                m_commandHistory->addCommand (deselectCommand);
        }
    }
    else
    {
        if (cmd)
            m_commandHistory->addCommand (cmd);
    }
}


// public slot
void kpMainWindow::slotDeselect ()
{
#if DEBUG_KP_MAIN_WINDOW && 1
    kdDebug () << "kpMainWindow::slotDeselect() CALLED" << endl;
#endif
    if (!m_document || !m_document->selection ())
    {
        kdError () << "kpMainWindow::slotDeselect() doc=" << m_document
                   << " sel=" << (m_document ? m_document->selection () : 0)
                   << endl;
        return;
    }

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();

    addDeselectFirstCommand (0);
}


// private slot
void kpMainWindow::slotCopyToFile ()
{
#if DEBUG_KP_MAIN_WINDOW
    kdDebug () << "kpMainWindow::slotCopyToFile()" << endl;
#endif

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    if (!m_document->selection ())
        return;

    kpSelection sel = *m_document->selection ();

    TQPixmap pixmapToSave;

    if (!sel.pixmap ())
    {
        // Not a floating selection - user has just selected a region;
        // haven't pulled it off yet so probably don't expect and can't
        // visualise selection transparency so give opaque, not transparent
        // pixmap.
        pixmapToSave = m_document->getSelectedPixmap ();
    }
    else
        pixmapToSave = sel.transparentPixmap ();


    kpDocumentSaveOptions chosenSaveOptions;
    bool allowOverwritePrompt, allowLossyPrompt;
    KURL chosenURL = askForSaveURL (i18n ("Copy to File"),
                                    m_lastCopyToURL.url (),
                                    pixmapToSave,
                                    m_lastCopyToSaveOptions,
                                    kpDocumentMetaInfo (),
                                    kpSettingsGroupEditCopyTo,
                                    false/*allow remote files*/,
                                    &chosenSaveOptions,
                                    m_copyToFirstTime,
                                    &allowOverwritePrompt,
                                    &allowLossyPrompt);

    if (chosenURL.isEmpty ())
        return;


    if (!kpDocument::savePixmapToFile (pixmapToSave,
                                       chosenURL,
                                       chosenSaveOptions, kpDocumentMetaInfo (),
                                       allowOverwritePrompt,
                                       allowLossyPrompt,
                                       this))
    {
        return;
    }


    addRecentURL (chosenURL);


    m_lastCopyToURL = chosenURL;
    m_lastCopyToSaveOptions = chosenSaveOptions;

    m_copyToFirstTime = false;
}

// private slot
void kpMainWindow::slotPasteFromFile ()
{
#if DEBUG_KP_MAIN_WINDOW
    kdDebug () << "kpMainWindow::slotPasteFromFile()" << endl;
#endif

    if (toolHasBegunShape ())
        tool ()->endShapeInternal ();


    KURL::List urls = askForOpenURLs (i18n ("Paste From File"),
                                      m_lastPasteFromURL.url (),
                                      false/*only 1 URL*/);

    if (urls.count () != 1)
        return;

    KURL url = urls.first ();
    m_lastPasteFromURL = url;


    TQPixmap pixmap = kpDocument::getPixmapFromFile (url,
        false/*show error message if doesn't exist*/,
        this);


    if (pixmap.isNull ())
        return;


    addRecentURL (url);

    paste (kpSelection (kpSelection::Rectangle,
                        TQRect (0, 0, pixmap.width (), pixmap.height ()),
                        pixmap,
                        selectionTransparency ()));
}