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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/listctrl.cpp
3 // Purpose: generic implementation of wxListCtrl
4 // Author: Robert Roebling
5 // Vadim Zeitlin (virtual list control support)
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // TODO
12 //
13 // 1. we need to implement searching/sorting for virtual controls somehow
14 // 2. when changing selection the lines are refreshed twice
15
16
17 // For compilers that support precompilation, includes "wx.h".
18 #include "wx/wxprec.h"
19
20 #ifdef __BORLANDC__
21 #pragma hdrstop
22 #endif
23
24 #if wxUSE_LISTCTRL
25
26 #include "wx/listctrl.h"
27
28 #ifndef WX_PRECOMP
29 #include "wx/scrolwin.h"
30 #include "wx/timer.h"
31 #include "wx/settings.h"
32 #include "wx/dynarray.h"
33 #include "wx/dcclient.h"
34 #include "wx/dcscreen.h"
35 #include "wx/math.h"
36 #include "wx/settings.h"
37 #include "wx/sizer.h"
38 #endif
39
40 #include "wx/imaglist.h"
41 #include "wx/renderer.h"
42 #include "wx/generic/private/listctrl.h"
43
44 #ifdef __WXMAC__
45 #include "wx/osx/private.h"
46 #endif
47
48 #if defined(__WXMSW__) && !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
49 #define "wx/msw/wrapwin.h"
50 #endif
51
52 // NOTE: If using the wxListBox visual attributes works everywhere then this can
53 // be removed, as well as the #else case below.
54 #define _USE_VISATTR 0
55
56
57 // ----------------------------------------------------------------------------
58 // constants
59 // ----------------------------------------------------------------------------
60
61 // // the height of the header window (FIXME: should depend on its font!)
62 // static const int HEADER_HEIGHT = 23;
63
64 static const int SCROLL_UNIT_X = 15;
65
66 // the spacing between the lines (in report mode)
67 static const int LINE_SPACING = 0;
68
69 // extra margins around the text label
70 #ifdef __WXGTK__
71 static const int EXTRA_WIDTH = 6;
72 #else
73 static const int EXTRA_WIDTH = 4;
74 #endif
75
76 #ifdef __WXGTK__
77 static const int EXTRA_HEIGHT = 6;
78 #else
79 static const int EXTRA_HEIGHT = 4;
80 #endif
81
82 // margin between the window and the items
83 static const int EXTRA_BORDER_X = 2;
84 static const int EXTRA_BORDER_Y = 2;
85
86 // offset for the header window
87 static const int HEADER_OFFSET_X = 0;
88 static const int HEADER_OFFSET_Y = 0;
89
90 // margin between rows of icons in [small] icon view
91 static const int MARGIN_BETWEEN_ROWS = 6;
92
93 // when autosizing the columns, add some slack
94 static const int AUTOSIZE_COL_MARGIN = 10;
95
96 // default width for the header columns
97 static const int WIDTH_COL_DEFAULT = 80;
98
99 // the space between the image and the text in the report mode
100 static const int IMAGE_MARGIN_IN_REPORT_MODE = 5;
101
102 // the space between the image and the text in the report mode in header
103 static const int HEADER_IMAGE_MARGIN_IN_REPORT_MODE = 2;
104
105
106
107 // ----------------------------------------------------------------------------
108 // arrays/list implementations
109 // ----------------------------------------------------------------------------
110
111 #include "wx/listimpl.cpp"
112 WX_DEFINE_LIST(wxListItemDataList)
113
114 #include "wx/arrimpl.cpp"
115 WX_DEFINE_OBJARRAY(wxListLineDataArray)
116
117 #include "wx/listimpl.cpp"
118 WX_DEFINE_LIST(wxListHeaderDataList)
119
120
121 // ----------------------------------------------------------------------------
122 // wxListItemData
123 // ----------------------------------------------------------------------------
124
125 wxListItemData::~wxListItemData()
126 {
127 // in the virtual list control the attributes are managed by the main
128 // program, so don't delete them
129 if ( !m_owner->IsVirtual() )
130 delete m_attr;
131
132 delete m_rect;
133 }
134
135 void wxListItemData::Init()
136 {
137 m_image = -1;
138 m_data = 0;
139
140 m_attr = NULL;
141 }
142
143 wxListItemData::wxListItemData(wxListMainWindow *owner)
144 {
145 Init();
146
147 m_owner = owner;
148
149 if ( owner->InReportView() )
150 m_rect = NULL;
151 else
152 m_rect = new wxRect;
153 }
154
155 void wxListItemData::SetItem( const wxListItem &info )
156 {
157 if ( info.m_mask & wxLIST_MASK_TEXT )
158 SetText(info.m_text);
159 if ( info.m_mask & wxLIST_MASK_IMAGE )
160 m_image = info.m_image;
161 if ( info.m_mask & wxLIST_MASK_DATA )
162 m_data = info.m_data;
163
164 if ( info.HasAttributes() )
165 {
166 if ( m_attr )
167 m_attr->AssignFrom(*info.GetAttributes());
168 else
169 m_attr = new wxListItemAttr(*info.GetAttributes());
170 }
171
172 if ( m_rect )
173 {
174 m_rect->x =
175 m_rect->y =
176 m_rect->height = 0;
177 m_rect->width = info.m_width;
178 }
179 }
180
181 void wxListItemData::SetPosition( int x, int y )
182 {
183 wxCHECK_RET( m_rect, wxT("unexpected SetPosition() call") );
184
185 m_rect->x = x;
186 m_rect->y = y;
187 }
188
189 void wxListItemData::SetSize( int width, int height )
190 {
191 wxCHECK_RET( m_rect, wxT("unexpected SetSize() call") );
192
193 if ( width != -1 )
194 m_rect->width = width;
195 if ( height != -1 )
196 m_rect->height = height;
197 }
198
199 bool wxListItemData::IsHit( int x, int y ) const
200 {
201 wxCHECK_MSG( m_rect, false, wxT("can't be called in this mode") );
202
203 return wxRect(GetX(), GetY(), GetWidth(), GetHeight()).Contains(x, y);
204 }
205
206 int wxListItemData::GetX() const
207 {
208 wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
209
210 return m_rect->x;
211 }
212
213 int wxListItemData::GetY() const
214 {
215 wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
216
217 return m_rect->y;
218 }
219
220 int wxListItemData::GetWidth() const
221 {
222 wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
223
224 return m_rect->width;
225 }
226
227 int wxListItemData::GetHeight() const
228 {
229 wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
230
231 return m_rect->height;
232 }
233
234 void wxListItemData::GetItem( wxListItem &info ) const
235 {
236 long mask = info.m_mask;
237 if ( !mask )
238 // by default, get everything for backwards compatibility
239 mask = -1;
240
241 if ( mask & wxLIST_MASK_TEXT )
242 info.m_text = m_text;
243 if ( mask & wxLIST_MASK_IMAGE )
244 info.m_image = m_image;
245 if ( mask & wxLIST_MASK_DATA )
246 info.m_data = m_data;
247
248 if ( m_attr )
249 {
250 if ( m_attr->HasTextColour() )
251 info.SetTextColour(m_attr->GetTextColour());
252 if ( m_attr->HasBackgroundColour() )
253 info.SetBackgroundColour(m_attr->GetBackgroundColour());
254 if ( m_attr->HasFont() )
255 info.SetFont(m_attr->GetFont());
256 }
257 }
258
259 //-----------------------------------------------------------------------------
260 // wxListHeaderData
261 //-----------------------------------------------------------------------------
262
263 void wxListHeaderData::Init()
264 {
265 m_mask = 0;
266 m_image = -1;
267 m_format = 0;
268 m_width = 0;
269 m_xpos = 0;
270 m_ypos = 0;
271 m_height = 0;
272 m_state = 0;
273 }
274
275 wxListHeaderData::wxListHeaderData()
276 {
277 Init();
278 }
279
280 wxListHeaderData::wxListHeaderData( const wxListItem &item )
281 {
282 Init();
283
284 SetItem( item );
285 }
286
287 void wxListHeaderData::SetItem( const wxListItem &item )
288 {
289 m_mask = item.m_mask;
290
291 if ( m_mask & wxLIST_MASK_TEXT )
292 m_text = item.m_text;
293
294 if ( m_mask & wxLIST_MASK_IMAGE )
295 m_image = item.m_image;
296
297 if ( m_mask & wxLIST_MASK_FORMAT )
298 m_format = item.m_format;
299
300 if ( m_mask & wxLIST_MASK_WIDTH )
301 SetWidth(item.m_width);
302
303 if ( m_mask & wxLIST_MASK_STATE )
304 SetState(item.m_state);
305 }
306
307 void wxListHeaderData::SetPosition( int x, int y )
308 {
309 m_xpos = x;
310 m_ypos = y;
311 }
312
313 void wxListHeaderData::SetHeight( int h )
314 {
315 m_height = h;
316 }
317
318 void wxListHeaderData::SetWidth( int w )
319 {
320 m_width = w < 0 ? WIDTH_COL_DEFAULT : w;
321 }
322
323 void wxListHeaderData::SetState( int flag )
324 {
325 m_state = flag;
326 }
327
328 void wxListHeaderData::SetFormat( int format )
329 {
330 m_format = format;
331 }
332
333 bool wxListHeaderData::HasImage() const
334 {
335 return m_image != -1;
336 }
337
338 bool wxListHeaderData::IsHit( int x, int y ) const
339 {
340 return ((x >= m_xpos) && (x <= m_xpos+m_width) && (y >= m_ypos) && (y <= m_ypos+m_height));
341 }
342
343 void wxListHeaderData::GetItem( wxListItem& item )
344 {
345 item.m_mask = m_mask;
346 item.m_text = m_text;
347 item.m_image = m_image;
348 item.m_format = m_format;
349 item.m_width = m_width;
350 item.m_state = m_state;
351 }
352
353 int wxListHeaderData::GetImage() const
354 {
355 return m_image;
356 }
357
358 int wxListHeaderData::GetWidth() const
359 {
360 return m_width;
361 }
362
363 int wxListHeaderData::GetFormat() const
364 {
365 return m_format;
366 }
367
368 int wxListHeaderData::GetState() const
369 {
370 return m_state;
371 }
372
373 //-----------------------------------------------------------------------------
374 // wxListLineData
375 //-----------------------------------------------------------------------------
376
377 inline int wxListLineData::GetMode() const
378 {
379 return m_owner->GetListCtrl()->GetWindowStyleFlag() & wxLC_MASK_TYPE;
380 }
381
382 inline bool wxListLineData::InReportView() const
383 {
384 return m_owner->HasFlag(wxLC_REPORT);
385 }
386
387 inline bool wxListLineData::IsVirtual() const
388 {
389 return m_owner->IsVirtual();
390 }
391
392 wxListLineData::wxListLineData( wxListMainWindow *owner )
393 {
394 m_owner = owner;
395
396 if ( InReportView() )
397 m_gi = NULL;
398 else // !report
399 m_gi = new GeometryInfo;
400
401 m_highlighted = false;
402
403 InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 );
404 }
405
406 void wxListLineData::CalculateSize( wxDC *dc, int spacing )
407 {
408 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
409 wxCHECK_RET( node, wxT("no subitems at all??") );
410
411 wxListItemData *item = node->GetData();
412
413 wxString s;
414 wxCoord lw, lh;
415
416 switch ( GetMode() )
417 {
418 case wxLC_ICON:
419 case wxLC_SMALL_ICON:
420 m_gi->m_rectAll.width = spacing;
421
422 s = item->GetText();
423
424 if ( s.empty() )
425 {
426 lh =
427 m_gi->m_rectLabel.width =
428 m_gi->m_rectLabel.height = 0;
429 }
430 else // has label
431 {
432 dc->GetTextExtent( s, &lw, &lh );
433 lw += EXTRA_WIDTH;
434 lh += EXTRA_HEIGHT;
435
436 m_gi->m_rectAll.height = spacing + lh;
437 if (lw > spacing)
438 m_gi->m_rectAll.width = lw;
439
440 m_gi->m_rectLabel.width = lw;
441 m_gi->m_rectLabel.height = lh;
442 }
443
444 if (item->HasImage())
445 {
446 int w, h;
447 m_owner->GetImageSize( item->GetImage(), w, h );
448 m_gi->m_rectIcon.width = w + 8;
449 m_gi->m_rectIcon.height = h + 8;
450
451 if ( m_gi->m_rectIcon.width > m_gi->m_rectAll.width )
452 m_gi->m_rectAll.width = m_gi->m_rectIcon.width;
453 if ( m_gi->m_rectIcon.height + lh > m_gi->m_rectAll.height - 4 )
454 m_gi->m_rectAll.height = m_gi->m_rectIcon.height + lh + 4;
455 }
456
457 if ( item->HasText() )
458 {
459 m_gi->m_rectHighlight.width = m_gi->m_rectLabel.width;
460 m_gi->m_rectHighlight.height = m_gi->m_rectLabel.height;
461 }
462 else // no text, highlight the icon
463 {
464 m_gi->m_rectHighlight.width = m_gi->m_rectIcon.width;
465 m_gi->m_rectHighlight.height = m_gi->m_rectIcon.height;
466 }
467 break;
468
469 case wxLC_LIST:
470 s = item->GetTextForMeasuring();
471
472 dc->GetTextExtent( s, &lw, &lh );
473 lw += EXTRA_WIDTH;
474 lh += EXTRA_HEIGHT;
475
476 m_gi->m_rectLabel.width = lw;
477 m_gi->m_rectLabel.height = lh;
478
479 m_gi->m_rectAll.width = lw;
480 m_gi->m_rectAll.height = lh;
481
482 if (item->HasImage())
483 {
484 int w, h;
485 m_owner->GetImageSize( item->GetImage(), w, h );
486 m_gi->m_rectIcon.width = w;
487 m_gi->m_rectIcon.height = h;
488
489 m_gi->m_rectAll.width += 4 + w;
490 if (h > m_gi->m_rectAll.height)
491 m_gi->m_rectAll.height = h;
492 }
493
494 m_gi->m_rectHighlight.width = m_gi->m_rectAll.width;
495 m_gi->m_rectHighlight.height = m_gi->m_rectAll.height;
496 break;
497
498 case wxLC_REPORT:
499 wxFAIL_MSG( wxT("unexpected call to SetSize") );
500 break;
501
502 default:
503 wxFAIL_MSG( wxT("unknown mode") );
504 break;
505 }
506 }
507
508 void wxListLineData::SetPosition( int x, int y, int spacing )
509 {
510 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
511 wxCHECK_RET( node, wxT("no subitems at all??") );
512
513 wxListItemData *item = node->GetData();
514
515 switch ( GetMode() )
516 {
517 case wxLC_ICON:
518 case wxLC_SMALL_ICON:
519 m_gi->m_rectAll.x = x;
520 m_gi->m_rectAll.y = y;
521
522 if ( item->HasImage() )
523 {
524 m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 4 +
525 (m_gi->m_rectAll.width - m_gi->m_rectIcon.width) / 2;
526 m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 4;
527 }
528
529 if ( item->HasText() )
530 {
531 if (m_gi->m_rectAll.width > spacing)
532 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
533 else
534 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2) + (spacing / 2) - (m_gi->m_rectLabel.width / 2);
535 m_gi->m_rectLabel.y = m_gi->m_rectAll.y + m_gi->m_rectAll.height + 2 - m_gi->m_rectLabel.height;
536 m_gi->m_rectHighlight.x = m_gi->m_rectLabel.x - 2;
537 m_gi->m_rectHighlight.y = m_gi->m_rectLabel.y - 2;
538 }
539 else // no text, highlight the icon
540 {
541 m_gi->m_rectHighlight.x = m_gi->m_rectIcon.x - 4;
542 m_gi->m_rectHighlight.y = m_gi->m_rectIcon.y - 4;
543 }
544 break;
545
546 case wxLC_LIST:
547 m_gi->m_rectAll.x = x;
548 m_gi->m_rectAll.y = y;
549
550 m_gi->m_rectHighlight.x = m_gi->m_rectAll.x;
551 m_gi->m_rectHighlight.y = m_gi->m_rectAll.y;
552 m_gi->m_rectLabel.y = m_gi->m_rectAll.y + 2;
553
554 if (item->HasImage())
555 {
556 m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 2;
557 m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 2;
558 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 4 + (EXTRA_WIDTH/2) + m_gi->m_rectIcon.width;
559 }
560 else
561 {
562 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
563 }
564 break;
565
566 case wxLC_REPORT:
567 wxFAIL_MSG( wxT("unexpected call to SetPosition") );
568 break;
569
570 default:
571 wxFAIL_MSG( wxT("unknown mode") );
572 break;
573 }
574 }
575
576 void wxListLineData::InitItems( int num )
577 {
578 for (int i = 0; i < num; i++)
579 m_items.Append( new wxListItemData(m_owner) );
580 }
581
582 void wxListLineData::SetItem( int index, const wxListItem &info )
583 {
584 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
585 wxCHECK_RET( node, wxT("invalid column index in SetItem") );
586
587 wxListItemData *item = node->GetData();
588 item->SetItem( info );
589 }
590
591 void wxListLineData::GetItem( int index, wxListItem &info )
592 {
593 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
594 if (node)
595 {
596 wxListItemData *item = node->GetData();
597 item->GetItem( info );
598 }
599 }
600
601 wxString wxListLineData::GetText(int index) const
602 {
603 wxString s;
604
605 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
606 if (node)
607 {
608 wxListItemData *item = node->GetData();
609 s = item->GetText();
610 }
611
612 return s;
613 }
614
615 void wxListLineData::SetText( int index, const wxString& s )
616 {
617 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
618 if (node)
619 {
620 wxListItemData *item = node->GetData();
621 item->SetText( s );
622 }
623 }
624
625 void wxListLineData::SetImage( int index, int image )
626 {
627 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
628 wxCHECK_RET( node, wxT("invalid column index in SetImage()") );
629
630 wxListItemData *item = node->GetData();
631 item->SetImage(image);
632 }
633
634 int wxListLineData::GetImage( int index ) const
635 {
636 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
637 wxCHECK_MSG( node, -1, wxT("invalid column index in GetImage()") );
638
639 wxListItemData *item = node->GetData();
640 return item->GetImage();
641 }
642
643 wxListItemAttr *wxListLineData::GetAttr() const
644 {
645 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
646 wxCHECK_MSG( node, NULL, wxT("invalid column index in GetAttr()") );
647
648 wxListItemData *item = node->GetData();
649 return item->GetAttr();
650 }
651
652 void wxListLineData::SetAttr(wxListItemAttr *attr)
653 {
654 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
655 wxCHECK_RET( node, wxT("invalid column index in SetAttr()") );
656
657 wxListItemData *item = node->GetData();
658 item->SetAttr(attr);
659 }
660
661 void wxListLineData::ApplyAttributes(wxDC *dc,
662 const wxRect& rectHL,
663 bool highlighted,
664 bool current)
665 {
666 const wxListItemAttr * const attr = GetAttr();
667
668 wxWindow * const listctrl = m_owner->GetParent();
669
670 const bool hasFocus = listctrl->HasFocus()
671 #if defined(__WXMAC__) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
672 && IsControlActive( (ControlRef)listctrl->GetHandle() )
673 #endif
674 ;
675
676 // fg colour
677
678 // don't use foreground colour for drawing highlighted items - this might
679 // make them completely invisible (and there is no way to do bit
680 // arithmetics on wxColour, unfortunately)
681 wxColour colText;
682 if ( highlighted )
683 {
684 #ifdef __WXMAC__
685 if ( hasFocus )
686 colText = *wxWHITE;
687 else
688 colText = *wxBLACK;
689 #else
690 if ( hasFocus )
691 colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
692 else
693 colText = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT);
694 #endif
695 }
696 else if ( attr && attr->HasTextColour() )
697 colText = attr->GetTextColour();
698 else
699 colText = listctrl->GetForegroundColour();
700
701 dc->SetTextForeground(colText);
702
703 // font
704 wxFont font;
705 if ( attr && attr->HasFont() )
706 font = attr->GetFont();
707 else
708 font = listctrl->GetFont();
709
710 dc->SetFont(font);
711
712 // background
713 if ( highlighted )
714 {
715 // Use the renderer method to ensure that the selected items use the
716 // native look.
717 int flags = wxCONTROL_SELECTED;
718 if ( hasFocus )
719 flags |= wxCONTROL_FOCUSED;
720 if (current)
721 flags |= wxCONTROL_CURRENT;
722 wxRendererNative::Get().
723 DrawItemSelectionRect( m_owner, *dc, rectHL, flags );
724 }
725 else if ( attr && attr->HasBackgroundColour() )
726 {
727 // Draw the background using the items custom background colour.
728 dc->SetBrush(attr->GetBackgroundColour());
729 dc->SetPen(*wxTRANSPARENT_PEN);
730 dc->DrawRectangle(rectHL);
731 }
732
733 // just for debugging to better see where the items are
734 #if 0
735 dc->SetPen(*wxRED_PEN);
736 dc->SetBrush(*wxTRANSPARENT_BRUSH);
737 dc->DrawRectangle( m_gi->m_rectAll );
738 dc->SetPen(*wxGREEN_PEN);
739 dc->DrawRectangle( m_gi->m_rectIcon );
740 #endif
741 }
742
743 void wxListLineData::Draw(wxDC *dc, bool current)
744 {
745 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
746 wxCHECK_RET( node, wxT("no subitems at all??") );
747
748 ApplyAttributes(dc, m_gi->m_rectHighlight, IsHighlighted(), current);
749
750 wxListItemData *item = node->GetData();
751 if (item->HasImage())
752 {
753 // centre the image inside our rectangle, this looks nicer when items
754 // ae aligned in a row
755 const wxRect& rectIcon = m_gi->m_rectIcon;
756
757 m_owner->DrawImage(item->GetImage(), dc, rectIcon.x, rectIcon.y);
758 }
759
760 if (item->HasText())
761 {
762 const wxRect& rectLabel = m_gi->m_rectLabel;
763
764 wxDCClipper clipper(*dc, rectLabel);
765 dc->DrawText(item->GetText(), rectLabel.x, rectLabel.y);
766 }
767 }
768
769 void wxListLineData::DrawInReportMode( wxDC *dc,
770 const wxRect& rect,
771 const wxRect& rectHL,
772 bool highlighted,
773 bool current )
774 {
775 // TODO: later we should support setting different attributes for
776 // different columns - to do it, just add "col" argument to
777 // GetAttr() and move these lines into the loop below
778
779 ApplyAttributes(dc, rectHL, highlighted, current);
780
781 wxCoord x = rect.x + HEADER_OFFSET_X,
782 yMid = rect.y + rect.height/2;
783 #ifdef __WXGTK__
784 // This probably needs to be done
785 // on all platforms as the icons
786 // otherwise nearly touch the border
787 x += 2;
788 #endif
789
790 size_t col = 0;
791 for ( wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
792 node;
793 node = node->GetNext(), col++ )
794 {
795 wxListItemData *item = node->GetData();
796
797 int width = m_owner->GetColumnWidth(col);
798 int xOld = x;
799 x += width;
800
801 width -= 8;
802 const int wText = width;
803 wxDCClipper clipper(*dc, xOld, rect.y, wText, rect.height);
804
805 if ( item->HasImage() )
806 {
807 int ix, iy;
808 m_owner->GetImageSize( item->GetImage(), ix, iy );
809 m_owner->DrawImage( item->GetImage(), dc, xOld, yMid - iy/2 );
810
811 ix += IMAGE_MARGIN_IN_REPORT_MODE;
812
813 xOld += ix;
814 width -= ix;
815 }
816
817 if ( item->HasText() )
818 DrawTextFormatted(dc, item->GetText(), col, xOld, yMid, width);
819 }
820 }
821
822 void wxListLineData::DrawTextFormatted(wxDC *dc,
823 const wxString& textOrig,
824 int col,
825 int x,
826 int yMid,
827 int width)
828 {
829 // we don't support displaying multiple lines currently (and neither does
830 // wxMSW FWIW) so just merge all the lines
831 wxString text(textOrig);
832 text.Replace(wxT("\n"), wxT(" "));
833
834 wxCoord w, h;
835 dc->GetTextExtent(text, &w, &h);
836
837 const wxCoord y = yMid - (h + 1)/2;
838
839 wxDCClipper clipper(*dc, x, y, width, h);
840
841 // determine if the string can fit inside the current width
842 if (w <= width)
843 {
844 // it can, draw it using the items alignment
845 wxListItem item;
846 m_owner->GetColumn(col, item);
847 switch ( item.GetAlign() )
848 {
849 case wxLIST_FORMAT_LEFT:
850 // nothing to do
851 break;
852
853 case wxLIST_FORMAT_RIGHT:
854 x += width - w;
855 break;
856
857 case wxLIST_FORMAT_CENTER:
858 x += (width - w) / 2;
859 break;
860
861 default:
862 wxFAIL_MSG( wxT("unknown list item format") );
863 break;
864 }
865
866 dc->DrawText(text, x, y);
867 }
868 else // otherwise, truncate and add an ellipsis if possible
869 {
870 // determine the base width
871 wxString ellipsis(wxT("..."));
872 wxCoord base_w;
873 dc->GetTextExtent(ellipsis, &base_w, &h);
874
875 // continue until we have enough space or only one character left
876 wxCoord w_c, h_c;
877 size_t len = text.length();
878 wxString drawntext = text.Left(len);
879 while (len > 1)
880 {
881 dc->GetTextExtent(drawntext.Last(), &w_c, &h_c);
882 drawntext.RemoveLast();
883 len--;
884 w -= w_c;
885 if (w + base_w <= width)
886 break;
887 }
888
889 // if still not enough space, remove ellipsis characters
890 while (ellipsis.length() > 0 && w + base_w > width)
891 {
892 ellipsis = ellipsis.Left(ellipsis.length() - 1);
893 dc->GetTextExtent(ellipsis, &base_w, &h);
894 }
895
896 // now draw the text
897 dc->DrawText(drawntext, x, y);
898 dc->DrawText(ellipsis, x + w, y);
899 }
900 }
901
902 bool wxListLineData::Highlight( bool on )
903 {
904 wxCHECK_MSG( !IsVirtual(), false, wxT("unexpected call to Highlight") );
905
906 if ( on == m_highlighted )
907 return false;
908
909 m_highlighted = on;
910
911 return true;
912 }
913
914 void wxListLineData::ReverseHighlight( void )
915 {
916 Highlight(!IsHighlighted());
917 }
918
919 //-----------------------------------------------------------------------------
920 // wxListHeaderWindow
921 //-----------------------------------------------------------------------------
922
923 BEGIN_EVENT_TABLE(wxListHeaderWindow,wxWindow)
924 EVT_PAINT (wxListHeaderWindow::OnPaint)
925 EVT_MOUSE_EVENTS (wxListHeaderWindow::OnMouse)
926 EVT_SET_FOCUS (wxListHeaderWindow::OnSetFocus)
927 END_EVENT_TABLE()
928
929 void wxListHeaderWindow::Init()
930 {
931 m_currentCursor = NULL;
932 m_isDragging = false;
933 m_dirty = false;
934 m_sendSetColumnWidth = false;
935 }
936
937 wxListHeaderWindow::wxListHeaderWindow()
938 {
939 Init();
940
941 m_owner = NULL;
942 m_resizeCursor = NULL;
943 }
944
945 wxListHeaderWindow::wxListHeaderWindow( wxWindow *win,
946 wxWindowID id,
947 wxListMainWindow *owner,
948 const wxPoint& pos,
949 const wxSize& size,
950 long style,
951 const wxString &name )
952 : wxWindow( win, id, pos, size, style, name )
953 {
954 Init();
955
956 m_owner = owner;
957 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
958
959 #if _USE_VISATTR
960 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
961 SetOwnForegroundColour( attr.colFg );
962 SetOwnBackgroundColour( attr.colBg );
963 if (!m_hasFont)
964 SetOwnFont( attr.font );
965 #else
966 SetOwnForegroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
967 SetOwnBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
968 if (!m_hasFont)
969 SetOwnFont( wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT ));
970 #endif
971 }
972
973 wxListHeaderWindow::~wxListHeaderWindow()
974 {
975 delete m_resizeCursor;
976 }
977
978 #ifdef __WXUNIVERSAL__
979 #include "wx/univ/renderer.h"
980 #include "wx/univ/theme.h"
981 #endif
982
983 // shift the DC origin to match the position of the main window horz
984 // scrollbar: this allows us to always use logical coords
985 void wxListHeaderWindow::AdjustDC(wxDC& dc)
986 {
987 wxGenericListCtrl *parent = m_owner->GetListCtrl();
988
989 int xpix;
990 parent->GetScrollPixelsPerUnit( &xpix, NULL );
991
992 int view_start;
993 parent->GetViewStart( &view_start, NULL );
994
995
996 int org_x = 0;
997 int org_y = 0;
998 dc.GetDeviceOrigin( &org_x, &org_y );
999
1000 // account for the horz scrollbar offset
1001 #ifdef __WXGTK__
1002 if (GetLayoutDirection() == wxLayout_RightToLeft)
1003 {
1004 // Maybe we just have to check for m_signX
1005 // in the DC, but I leave the #ifdef __WXGTK__
1006 // for now
1007 dc.SetDeviceOrigin( org_x + (view_start * xpix), org_y );
1008 }
1009 else
1010 #endif
1011 dc.SetDeviceOrigin( org_x - (view_start * xpix), org_y );
1012 }
1013
1014 void wxListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1015 {
1016 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1017
1018 wxPaintDC dc( this );
1019
1020 AdjustDC( dc );
1021
1022 dc.SetFont( GetFont() );
1023
1024 // width and height of the entire header window
1025 int w, h;
1026 GetClientSize( &w, &h );
1027 parent->CalcUnscrolledPosition(w, 0, &w, NULL);
1028
1029 dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
1030 dc.SetTextForeground(GetForegroundColour());
1031
1032 int x = HEADER_OFFSET_X;
1033 int numColumns = m_owner->GetColumnCount();
1034 wxListItem item;
1035 for ( int i = 0; i < numColumns && x < w; i++ )
1036 {
1037 m_owner->GetColumn( i, item );
1038 int wCol = item.m_width;
1039
1040 int cw = wCol;
1041 int ch = h;
1042
1043 int flags = 0;
1044 if (!m_parent->IsEnabled())
1045 flags |= wxCONTROL_DISABLED;
1046
1047 // NB: The code below is not really Mac-specific, but since we are close
1048 // to 2.8 release and I don't have time to test on other platforms, I
1049 // defined this only for wxMac. If this behaviour is desired on
1050 // other platforms, please go ahead and revise or remove the #ifdef.
1051 #ifdef __WXMAC__
1052 if ( !m_owner->IsVirtual() && (item.m_mask & wxLIST_MASK_STATE) &&
1053 (item.m_state & wxLIST_STATE_SELECTED) )
1054 flags |= wxCONTROL_SELECTED;
1055 #endif
1056
1057 if (i == 0)
1058 flags |= wxCONTROL_SPECIAL; // mark as first column
1059
1060 wxRendererNative::Get().DrawHeaderButton
1061 (
1062 this,
1063 dc,
1064 wxRect(x, HEADER_OFFSET_Y, cw, ch),
1065 flags
1066 );
1067
1068 // see if we have enough space for the column label
1069
1070 // for this we need the width of the text
1071 wxCoord wLabel;
1072 wxCoord hLabel;
1073 dc.GetTextExtent(item.GetText(), &wLabel, &hLabel);
1074 wLabel += 2 * EXTRA_WIDTH;
1075
1076 // and the width of the icon, if any
1077 int ix = 0, iy = 0; // init them just to suppress the compiler warnings
1078 const int image = item.m_image;
1079 wxImageList *imageList;
1080 if ( image != -1 )
1081 {
1082 imageList = m_owner->GetSmallImageList();
1083 if ( imageList )
1084 {
1085 imageList->GetSize(image, ix, iy);
1086 wLabel += ix + HEADER_IMAGE_MARGIN_IN_REPORT_MODE;
1087 }
1088 }
1089 else
1090 {
1091 imageList = NULL;
1092 }
1093
1094 // ignore alignment if there is not enough space anyhow
1095 int xAligned;
1096 switch ( wLabel < cw ? item.GetAlign() : wxLIST_FORMAT_LEFT )
1097 {
1098 default:
1099 wxFAIL_MSG( wxT("unknown list item format") );
1100 // fall through
1101
1102 case wxLIST_FORMAT_LEFT:
1103 xAligned = x;
1104 break;
1105
1106 case wxLIST_FORMAT_RIGHT:
1107 xAligned = x + cw - wLabel;
1108 break;
1109
1110 case wxLIST_FORMAT_CENTER:
1111 xAligned = x + (cw - wLabel) / 2;
1112 break;
1113 }
1114
1115 // draw the text and image clipping them so that they
1116 // don't overwrite the column boundary
1117 wxDCClipper clipper(dc, x, HEADER_OFFSET_Y, cw, h);
1118
1119 // if we have an image, draw it on the right of the label
1120 if ( imageList )
1121 {
1122 imageList->Draw
1123 (
1124 image,
1125 dc,
1126 xAligned + wLabel - ix - HEADER_IMAGE_MARGIN_IN_REPORT_MODE,
1127 HEADER_OFFSET_Y + (h - iy)/2,
1128 wxIMAGELIST_DRAW_TRANSPARENT
1129 );
1130 }
1131
1132 dc.DrawText( item.GetText(),
1133 xAligned + EXTRA_WIDTH, (h - hLabel) / 2 );
1134
1135 x += wCol;
1136 }
1137
1138 // Fill in what's missing to the right of the columns, otherwise we will
1139 // leave an unpainted area when columns are removed (and it looks better)
1140 if ( x < w )
1141 {
1142 wxRendererNative::Get().DrawHeaderButton
1143 (
1144 this,
1145 dc,
1146 wxRect(x, HEADER_OFFSET_Y, w - x, h),
1147 wxCONTROL_DIRTY // mark as last column
1148 );
1149 }
1150 }
1151
1152 void wxListHeaderWindow::OnInternalIdle()
1153 {
1154 wxWindow::OnInternalIdle();
1155
1156 if (m_sendSetColumnWidth)
1157 {
1158 m_owner->SetColumnWidth( m_colToSend, m_widthToSend );
1159 m_sendSetColumnWidth = false;
1160 }
1161 }
1162
1163 void wxListHeaderWindow::DrawCurrent()
1164 {
1165 #if 1
1166 // m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
1167 m_sendSetColumnWidth = true;
1168 m_colToSend = m_column;
1169 m_widthToSend = m_currentX - m_minX;
1170 #else
1171 int x1 = m_currentX;
1172 int y1 = 0;
1173 m_owner->ClientToScreen( &x1, &y1 );
1174
1175 int x2 = m_currentX;
1176 int y2 = 0;
1177 m_owner->GetClientSize( NULL, &y2 );
1178 m_owner->ClientToScreen( &x2, &y2 );
1179
1180 wxScreenDC dc;
1181 dc.SetLogicalFunction( wxINVERT );
1182 dc.SetPen( wxPen(*wxBLACK, 2) );
1183 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1184
1185 AdjustDC(dc);
1186
1187 dc.DrawLine( x1, y1, x2, y2 );
1188
1189 dc.SetLogicalFunction( wxCOPY );
1190
1191 dc.SetPen( wxNullPen );
1192 dc.SetBrush( wxNullBrush );
1193 #endif
1194 }
1195
1196 void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
1197 {
1198 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1199
1200 // we want to work with logical coords
1201 int x;
1202 parent->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1203 int y = event.GetY();
1204
1205 if (m_isDragging)
1206 {
1207 SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING, event.GetPosition());
1208
1209 // we don't draw the line beyond our window, but we allow dragging it
1210 // there
1211 int w = 0;
1212 GetClientSize( &w, NULL );
1213 parent->CalcUnscrolledPosition(w, 0, &w, NULL);
1214 w -= 6;
1215
1216 // erase the line if it was drawn
1217 if ( m_currentX < w )
1218 DrawCurrent();
1219
1220 if (event.ButtonUp())
1221 {
1222 ReleaseMouse();
1223 m_isDragging = false;
1224 m_dirty = true;
1225 m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
1226 SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG, event.GetPosition());
1227 }
1228 else
1229 {
1230 if (x > m_minX + 7)
1231 m_currentX = x;
1232 else
1233 m_currentX = m_minX + 7;
1234
1235 // draw in the new location
1236 if ( m_currentX < w )
1237 DrawCurrent();
1238 }
1239 }
1240 else // not dragging
1241 {
1242 m_minX = 0;
1243 bool hit_border = false;
1244
1245 // end of the current column
1246 int xpos = 0;
1247
1248 // find the column where this event occurred
1249 int col,
1250 countCol = m_owner->GetColumnCount();
1251 for (col = 0; col < countCol; col++)
1252 {
1253 xpos += m_owner->GetColumnWidth( col );
1254 m_column = col;
1255
1256 if ( (abs(x-xpos) < 3) && (y < 22) )
1257 {
1258 // near the column border
1259 hit_border = true;
1260 break;
1261 }
1262
1263 if ( x < xpos )
1264 {
1265 // inside the column
1266 break;
1267 }
1268
1269 m_minX = xpos;
1270 }
1271
1272 if ( col == countCol )
1273 m_column = -1;
1274
1275 if (event.LeftDown() || event.RightUp())
1276 {
1277 if (hit_border && event.LeftDown())
1278 {
1279 if ( SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG,
1280 event.GetPosition()) )
1281 {
1282 m_isDragging = true;
1283 m_currentX = x;
1284 CaptureMouse();
1285 DrawCurrent();
1286 }
1287 //else: column resizing was vetoed by the user code
1288 }
1289 else // click on a column
1290 {
1291 // record the selected state of the columns
1292 if (event.LeftDown())
1293 {
1294 for (int i=0; i < m_owner->GetColumnCount(); i++)
1295 {
1296 wxListItem colItem;
1297 m_owner->GetColumn(i, colItem);
1298 long state = colItem.GetState();
1299 if (i == m_column)
1300 colItem.SetState(state | wxLIST_STATE_SELECTED);
1301 else
1302 colItem.SetState(state & ~wxLIST_STATE_SELECTED);
1303 m_owner->SetColumn(i, colItem);
1304 }
1305 }
1306
1307 SendListEvent( event.LeftDown()
1308 ? wxEVT_COMMAND_LIST_COL_CLICK
1309 : wxEVT_COMMAND_LIST_COL_RIGHT_CLICK,
1310 event.GetPosition());
1311 }
1312 }
1313 else if (event.Moving())
1314 {
1315 bool setCursor;
1316 if (hit_border)
1317 {
1318 setCursor = m_currentCursor == wxSTANDARD_CURSOR;
1319 m_currentCursor = m_resizeCursor;
1320 }
1321 else
1322 {
1323 setCursor = m_currentCursor != wxSTANDARD_CURSOR;
1324 m_currentCursor = wxSTANDARD_CURSOR;
1325 }
1326
1327 if ( setCursor )
1328 SetCursor(*m_currentCursor);
1329 }
1330 }
1331 }
1332
1333 void wxListHeaderWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
1334 {
1335 m_owner->SetFocus();
1336 m_owner->Update();
1337 }
1338
1339 bool wxListHeaderWindow::SendListEvent(wxEventType type, const wxPoint& pos)
1340 {
1341 wxWindow *parent = GetParent();
1342 wxListEvent le( type, parent->GetId() );
1343 le.SetEventObject( parent );
1344 le.m_pointDrag = pos;
1345
1346 // the position should be relative to the parent window, not
1347 // this one for compatibility with MSW and common sense: the
1348 // user code doesn't know anything at all about this header
1349 // window, so why should it get positions relative to it?
1350 le.m_pointDrag.y -= GetSize().y;
1351
1352 le.m_col = m_column;
1353 return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
1354 }
1355
1356 //-----------------------------------------------------------------------------
1357 // wxListRenameTimer (internal)
1358 //-----------------------------------------------------------------------------
1359
1360 wxListRenameTimer::wxListRenameTimer( wxListMainWindow *owner )
1361 {
1362 m_owner = owner;
1363 }
1364
1365 void wxListRenameTimer::Notify()
1366 {
1367 m_owner->OnRenameTimer();
1368 }
1369
1370 //-----------------------------------------------------------------------------
1371 // wxListTextCtrlWrapper (internal)
1372 //-----------------------------------------------------------------------------
1373
1374 BEGIN_EVENT_TABLE(wxListTextCtrlWrapper, wxEvtHandler)
1375 EVT_CHAR (wxListTextCtrlWrapper::OnChar)
1376 EVT_KEY_UP (wxListTextCtrlWrapper::OnKeyUp)
1377 EVT_KILL_FOCUS (wxListTextCtrlWrapper::OnKillFocus)
1378 END_EVENT_TABLE()
1379
1380 wxListTextCtrlWrapper::wxListTextCtrlWrapper(wxListMainWindow *owner,
1381 wxTextCtrl *text,
1382 size_t itemEdit)
1383 : m_startValue(owner->GetItemText(itemEdit)),
1384 m_itemEdited(itemEdit)
1385 {
1386 m_owner = owner;
1387 m_text = text;
1388 m_aboutToFinish = false;
1389
1390 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1391
1392 wxRect rectLabel = owner->GetLineLabelRect(itemEdit);
1393
1394 parent->CalcScrolledPosition(rectLabel.x, rectLabel.y,
1395 &rectLabel.x, &rectLabel.y);
1396
1397 m_text->Create(owner, wxID_ANY, m_startValue,
1398 wxPoint(rectLabel.x-4,rectLabel.y-4),
1399 wxSize(rectLabel.width+11,rectLabel.height+8));
1400 m_text->SetFocus();
1401
1402 m_text->PushEventHandler(this);
1403 }
1404
1405 void wxListTextCtrlWrapper::EndEdit(EndReason reason)
1406 {
1407 m_aboutToFinish = true;
1408
1409 switch ( reason )
1410 {
1411 case End_Accept:
1412 // Notify the owner about the changes
1413 AcceptChanges();
1414
1415 // Even if vetoed, close the control (consistent with MSW)
1416 Finish( true );
1417 break;
1418
1419 case End_Discard:
1420 m_owner->OnRenameCancelled(m_itemEdited);
1421
1422 Finish( true );
1423 break;
1424
1425 case End_Destroy:
1426 // Don't generate any notifications for the control being destroyed
1427 // and don't set focus to it neither.
1428 Finish(false);
1429 break;
1430 }
1431 }
1432
1433 void wxListTextCtrlWrapper::Finish( bool setfocus )
1434 {
1435 m_text->RemoveEventHandler(this);
1436 m_owner->ResetTextControl( m_text );
1437
1438 wxPendingDelete.Append( this );
1439
1440 if (setfocus)
1441 m_owner->SetFocus();
1442 }
1443
1444 bool wxListTextCtrlWrapper::AcceptChanges()
1445 {
1446 const wxString value = m_text->GetValue();
1447
1448 // notice that we should always call OnRenameAccept() to generate the "end
1449 // label editing" event, even if the user hasn't really changed anything
1450 if ( !m_owner->OnRenameAccept(m_itemEdited, value) )
1451 {
1452 // vetoed by the user
1453 return false;
1454 }
1455
1456 // accepted, do rename the item (unless nothing changed)
1457 if ( value != m_startValue )
1458 m_owner->SetItemText(m_itemEdited, value);
1459
1460 return true;
1461 }
1462
1463 void wxListTextCtrlWrapper::OnChar( wxKeyEvent &event )
1464 {
1465 if ( !CheckForEndEditKey(event) )
1466 event.Skip();
1467 }
1468
1469 bool wxListTextCtrlWrapper::CheckForEndEditKey(const wxKeyEvent& event)
1470 {
1471 switch ( event.m_keyCode )
1472 {
1473 case WXK_RETURN:
1474 EndEdit( End_Accept );
1475 break;
1476
1477 case WXK_ESCAPE:
1478 EndEdit( End_Discard );
1479 break;
1480
1481 default:
1482 return false;
1483 }
1484
1485 return true;
1486 }
1487
1488 void wxListTextCtrlWrapper::OnKeyUp( wxKeyEvent &event )
1489 {
1490 if (m_aboutToFinish)
1491 {
1492 // auto-grow the textctrl:
1493 wxSize parentSize = m_owner->GetSize();
1494 wxPoint myPos = m_text->GetPosition();
1495 wxSize mySize = m_text->GetSize();
1496 int sx, sy;
1497 m_text->GetTextExtent(m_text->GetValue() + wxT("MM"), &sx, &sy);
1498 if (myPos.x + sx > parentSize.x)
1499 sx = parentSize.x - myPos.x;
1500 if (mySize.x > sx)
1501 sx = mySize.x;
1502 m_text->SetSize(sx, wxDefaultCoord);
1503 }
1504
1505 event.Skip();
1506 }
1507
1508 void wxListTextCtrlWrapper::OnKillFocus( wxFocusEvent &event )
1509 {
1510 if ( !m_aboutToFinish )
1511 {
1512 if ( !AcceptChanges() )
1513 m_owner->OnRenameCancelled( m_itemEdited );
1514
1515 Finish( false );
1516 }
1517
1518 // We must let the native text control handle focus
1519 event.Skip();
1520 }
1521
1522 //-----------------------------------------------------------------------------
1523 // wxListMainWindow
1524 //-----------------------------------------------------------------------------
1525
1526 BEGIN_EVENT_TABLE(wxListMainWindow, wxWindow)
1527 EVT_PAINT (wxListMainWindow::OnPaint)
1528 EVT_MOUSE_EVENTS (wxListMainWindow::OnMouse)
1529 EVT_CHAR_HOOK (wxListMainWindow::OnCharHook)
1530 EVT_CHAR (wxListMainWindow::OnChar)
1531 EVT_KEY_DOWN (wxListMainWindow::OnKeyDown)
1532 EVT_KEY_UP (wxListMainWindow::OnKeyUp)
1533 EVT_SET_FOCUS (wxListMainWindow::OnSetFocus)
1534 EVT_KILL_FOCUS (wxListMainWindow::OnKillFocus)
1535 EVT_SCROLLWIN (wxListMainWindow::OnScroll)
1536 EVT_CHILD_FOCUS (wxListMainWindow::OnChildFocus)
1537 END_EVENT_TABLE()
1538
1539 void wxListMainWindow::Init()
1540 {
1541 m_dirty = true;
1542 m_countVirt = 0;
1543 m_lineFrom =
1544 m_lineTo = (size_t)-1;
1545 m_linesPerPage = 0;
1546
1547 m_headerWidth =
1548 m_lineHeight = 0;
1549
1550 m_small_image_list = NULL;
1551 m_normal_image_list = NULL;
1552
1553 m_small_spacing = 30;
1554 m_normal_spacing = 40;
1555
1556 m_hasFocus = false;
1557 m_dragCount = 0;
1558 m_isCreated = false;
1559
1560 m_lastOnSame = false;
1561 m_renameTimer = new wxListRenameTimer( this );
1562 m_textctrlWrapper = NULL;
1563
1564 m_current =
1565 m_lineLastClicked =
1566 m_lineSelectSingleOnUp =
1567 m_lineBeforeLastClicked = (size_t)-1;
1568 }
1569
1570 wxListMainWindow::wxListMainWindow()
1571 {
1572 Init();
1573
1574 m_highlightBrush =
1575 m_highlightUnfocusedBrush = NULL;
1576 }
1577
1578 wxListMainWindow::wxListMainWindow( wxWindow *parent,
1579 wxWindowID id,
1580 const wxPoint& pos,
1581 const wxSize& size,
1582 long style,
1583 const wxString &name )
1584 : wxWindow( parent, id, pos, size, style, name )
1585 {
1586 Init();
1587
1588 m_highlightBrush = new wxBrush
1589 (
1590 wxSystemSettings::GetColour
1591 (
1592 wxSYS_COLOUR_HIGHLIGHT
1593 ),
1594 wxBRUSHSTYLE_SOLID
1595 );
1596
1597 m_highlightUnfocusedBrush = new wxBrush
1598 (
1599 wxSystemSettings::GetColour
1600 (
1601 wxSYS_COLOUR_BTNSHADOW
1602 ),
1603 wxBRUSHSTYLE_SOLID
1604 );
1605
1606 wxVisualAttributes attr = wxGenericListCtrl::GetClassDefaultAttributes();
1607 SetOwnForegroundColour( attr.colFg );
1608 SetOwnBackgroundColour( attr.colBg );
1609 if (!m_hasFont)
1610 SetOwnFont( attr.font );
1611 }
1612
1613 wxListMainWindow::~wxListMainWindow()
1614 {
1615 if ( m_textctrlWrapper )
1616 m_textctrlWrapper->EndEdit(wxListTextCtrlWrapper::End_Destroy);
1617
1618 DoDeleteAllItems();
1619 WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
1620 WX_CLEAR_ARRAY(m_aColWidths);
1621
1622 delete m_highlightBrush;
1623 delete m_highlightUnfocusedBrush;
1624 delete m_renameTimer;
1625 }
1626
1627 void wxListMainWindow::SetReportView(bool inReportView)
1628 {
1629 const size_t count = m_lines.size();
1630 for ( size_t n = 0; n < count; n++ )
1631 {
1632 m_lines[n].SetReportView(inReportView);
1633 }
1634 }
1635
1636 void wxListMainWindow::CacheLineData(size_t line)
1637 {
1638 wxGenericListCtrl *listctrl = GetListCtrl();
1639
1640 wxListLineData *ld = GetDummyLine();
1641
1642 size_t countCol = GetColumnCount();
1643 for ( size_t col = 0; col < countCol; col++ )
1644 {
1645 ld->SetText(col, listctrl->OnGetItemText(line, col));
1646 ld->SetImage(col, listctrl->OnGetItemColumnImage(line, col));
1647 }
1648
1649 ld->SetAttr(listctrl->OnGetItemAttr(line));
1650 }
1651
1652 wxListLineData *wxListMainWindow::GetDummyLine() const
1653 {
1654 wxASSERT_MSG( !IsEmpty(), wxT("invalid line index") );
1655 wxASSERT_MSG( IsVirtual(), wxT("GetDummyLine() shouldn't be called") );
1656
1657 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
1658
1659 // we need to recreate the dummy line if the number of columns in the
1660 // control changed as it would have the incorrect number of fields
1661 // otherwise
1662 if ( !m_lines.IsEmpty() &&
1663 m_lines[0].m_items.GetCount() != (size_t)GetColumnCount() )
1664 {
1665 self->m_lines.Clear();
1666 }
1667
1668 if ( m_lines.IsEmpty() )
1669 {
1670 wxListLineData *line = new wxListLineData(self);
1671 self->m_lines.Add(line);
1672
1673 // don't waste extra memory -- there never going to be anything
1674 // else/more in this array
1675 self->m_lines.Shrink();
1676 }
1677
1678 return &m_lines[0];
1679 }
1680
1681 // ----------------------------------------------------------------------------
1682 // line geometry (report mode only)
1683 // ----------------------------------------------------------------------------
1684
1685 wxCoord wxListMainWindow::GetLineHeight() const
1686 {
1687 // we cache the line height as calling GetTextExtent() is slow
1688 if ( !m_lineHeight )
1689 {
1690 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
1691
1692 wxClientDC dc( self );
1693 dc.SetFont( GetFont() );
1694
1695 wxCoord y;
1696 dc.GetTextExtent(wxT("H"), NULL, &y);
1697
1698 if ( m_small_image_list && m_small_image_list->GetImageCount() )
1699 {
1700 int iw = 0, ih = 0;
1701 m_small_image_list->GetSize(0, iw, ih);
1702 y = wxMax(y, ih);
1703 }
1704
1705 y += EXTRA_HEIGHT;
1706 self->m_lineHeight = y + LINE_SPACING;
1707 }
1708
1709 return m_lineHeight;
1710 }
1711
1712 wxCoord wxListMainWindow::GetLineY(size_t line) const
1713 {
1714 wxASSERT_MSG( InReportView(), wxT("only works in report mode") );
1715
1716 return LINE_SPACING + line * GetLineHeight();
1717 }
1718
1719 wxRect wxListMainWindow::GetLineRect(size_t line) const
1720 {
1721 if ( !InReportView() )
1722 return GetLine(line)->m_gi->m_rectAll;
1723
1724 wxRect rect;
1725 rect.x = HEADER_OFFSET_X;
1726 rect.y = GetLineY(line);
1727 rect.width = GetHeaderWidth();
1728 rect.height = GetLineHeight();
1729
1730 return rect;
1731 }
1732
1733 wxRect wxListMainWindow::GetLineLabelRect(size_t line) const
1734 {
1735 if ( !InReportView() )
1736 return GetLine(line)->m_gi->m_rectLabel;
1737
1738 int image_x = 0;
1739 wxListLineData *data = GetLine(line);
1740 wxListItemDataList::compatibility_iterator node = data->m_items.GetFirst();
1741 if (node)
1742 {
1743 wxListItemData *item = node->GetData();
1744 if ( item->HasImage() )
1745 {
1746 int ix, iy;
1747 GetImageSize( item->GetImage(), ix, iy );
1748 image_x = 3 + ix + IMAGE_MARGIN_IN_REPORT_MODE;
1749 }
1750 }
1751
1752 wxRect rect;
1753 rect.x = image_x + HEADER_OFFSET_X;
1754 rect.y = GetLineY(line);
1755 rect.width = GetColumnWidth(0) - image_x;
1756 rect.height = GetLineHeight();
1757
1758 return rect;
1759 }
1760
1761 wxRect wxListMainWindow::GetLineIconRect(size_t line) const
1762 {
1763 if ( !InReportView() )
1764 return GetLine(line)->m_gi->m_rectIcon;
1765
1766 wxListLineData *ld = GetLine(line);
1767 wxASSERT_MSG( ld->HasImage(), wxT("should have an image") );
1768
1769 wxRect rect;
1770 rect.x = HEADER_OFFSET_X;
1771 rect.y = GetLineY(line);
1772 GetImageSize(ld->GetImage(), rect.width, rect.height);
1773
1774 return rect;
1775 }
1776
1777 wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const
1778 {
1779 return InReportView() ? GetLineRect(line)
1780 : GetLine(line)->m_gi->m_rectHighlight;
1781 }
1782
1783 long wxListMainWindow::HitTestLine(size_t line, int x, int y) const
1784 {
1785 wxASSERT_MSG( line < GetItemCount(), wxT("invalid line in HitTestLine") );
1786
1787 wxListLineData *ld = GetLine(line);
1788
1789 if ( ld->HasImage() && GetLineIconRect(line).Contains(x, y) )
1790 return wxLIST_HITTEST_ONITEMICON;
1791
1792 // VS: Testing for "ld->HasText() || InReportView()" instead of
1793 // "ld->HasText()" is needed to make empty lines in report view
1794 // possible
1795 if ( ld->HasText() || InReportView() )
1796 {
1797 wxRect rect = InReportView() ? GetLineRect(line)
1798 : GetLineLabelRect(line);
1799
1800 if ( rect.Contains(x, y) )
1801 return wxLIST_HITTEST_ONITEMLABEL;
1802 }
1803
1804 return 0;
1805 }
1806
1807 // ----------------------------------------------------------------------------
1808 // highlight (selection) handling
1809 // ----------------------------------------------------------------------------
1810
1811 bool wxListMainWindow::IsHighlighted(size_t line) const
1812 {
1813 if ( IsVirtual() )
1814 {
1815 return m_selStore.IsSelected(line);
1816 }
1817 else // !virtual
1818 {
1819 wxListLineData *ld = GetLine(line);
1820 wxCHECK_MSG( ld, false, wxT("invalid index in IsHighlighted") );
1821
1822 return ld->IsHighlighted();
1823 }
1824 }
1825
1826 void wxListMainWindow::HighlightLines( size_t lineFrom,
1827 size_t lineTo,
1828 bool highlight )
1829 {
1830 if ( IsVirtual() )
1831 {
1832 wxArrayInt linesChanged;
1833 if ( !m_selStore.SelectRange(lineFrom, lineTo, highlight,
1834 &linesChanged) )
1835 {
1836 // meny items changed state, refresh everything
1837 RefreshLines(lineFrom, lineTo);
1838 }
1839 else // only a few items changed state, refresh only them
1840 {
1841 size_t count = linesChanged.GetCount();
1842 for ( size_t n = 0; n < count; n++ )
1843 {
1844 RefreshLine(linesChanged[n]);
1845 }
1846 }
1847 }
1848 else // iterate over all items in non report view
1849 {
1850 for ( size_t line = lineFrom; line <= lineTo; line++ )
1851 {
1852 if ( HighlightLine(line, highlight) )
1853 RefreshLine(line);
1854 }
1855 }
1856 }
1857
1858 bool wxListMainWindow::HighlightLine( size_t line, bool highlight )
1859 {
1860 bool changed;
1861
1862 if ( IsVirtual() )
1863 {
1864 changed = m_selStore.SelectItem(line, highlight);
1865 }
1866 else // !virtual
1867 {
1868 wxListLineData *ld = GetLine(line);
1869 wxCHECK_MSG( ld, false, wxT("invalid index in HighlightLine") );
1870
1871 changed = ld->Highlight(highlight);
1872 }
1873
1874 if ( changed )
1875 {
1876 SendNotify( line, highlight ? wxEVT_COMMAND_LIST_ITEM_SELECTED
1877 : wxEVT_COMMAND_LIST_ITEM_DESELECTED );
1878 }
1879
1880 return changed;
1881 }
1882
1883 void wxListMainWindow::RefreshLine( size_t line )
1884 {
1885 if ( InReportView() )
1886 {
1887 size_t visibleFrom, visibleTo;
1888 GetVisibleLinesRange(&visibleFrom, &visibleTo);
1889
1890 if ( line < visibleFrom || line > visibleTo )
1891 return;
1892 }
1893
1894 wxRect rect = GetLineRect(line);
1895
1896 GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1897 RefreshRect( rect );
1898 }
1899
1900 void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo )
1901 {
1902 // we suppose that they are ordered by caller
1903 wxASSERT_MSG( lineFrom <= lineTo, wxT("indices in disorder") );
1904
1905 wxASSERT_MSG( lineTo < GetItemCount(), wxT("invalid line range") );
1906
1907 if ( InReportView() )
1908 {
1909 size_t visibleFrom, visibleTo;
1910 GetVisibleLinesRange(&visibleFrom, &visibleTo);
1911
1912 if ( lineFrom < visibleFrom )
1913 lineFrom = visibleFrom;
1914 if ( lineTo > visibleTo )
1915 lineTo = visibleTo;
1916
1917 wxRect rect;
1918 rect.x = 0;
1919 rect.y = GetLineY(lineFrom);
1920 rect.width = GetClientSize().x;
1921 rect.height = GetLineY(lineTo) - rect.y + GetLineHeight();
1922
1923 GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1924 RefreshRect( rect );
1925 }
1926 else // !report
1927 {
1928 // TODO: this should be optimized...
1929 for ( size_t line = lineFrom; line <= lineTo; line++ )
1930 {
1931 RefreshLine(line);
1932 }
1933 }
1934 }
1935
1936 void wxListMainWindow::RefreshAfter( size_t lineFrom )
1937 {
1938 if ( InReportView() )
1939 {
1940 size_t visibleFrom, visibleTo;
1941 GetVisibleLinesRange(&visibleFrom, &visibleTo);
1942
1943 if ( lineFrom < visibleFrom )
1944 lineFrom = visibleFrom;
1945 else if ( lineFrom > visibleTo )
1946 return;
1947
1948 wxRect rect;
1949 rect.x = 0;
1950 rect.y = GetLineY(lineFrom);
1951 GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1952
1953 wxSize size = GetClientSize();
1954 rect.width = size.x;
1955
1956 // refresh till the bottom of the window
1957 rect.height = size.y - rect.y;
1958
1959 RefreshRect( rect );
1960 }
1961 else // !report
1962 {
1963 // TODO: how to do it more efficiently?
1964 m_dirty = true;
1965 }
1966 }
1967
1968 void wxListMainWindow::RefreshSelected()
1969 {
1970 if ( IsEmpty() )
1971 return;
1972
1973 size_t from, to;
1974 if ( InReportView() )
1975 {
1976 GetVisibleLinesRange(&from, &to);
1977 }
1978 else // !virtual
1979 {
1980 from = 0;
1981 to = GetItemCount() - 1;
1982 }
1983
1984 if ( HasCurrent() && m_current >= from && m_current <= to )
1985 RefreshLine(m_current);
1986
1987 for ( size_t line = from; line <= to; line++ )
1988 {
1989 // NB: the test works as expected even if m_current == -1
1990 if ( line != m_current && IsHighlighted(line) )
1991 RefreshLine(line);
1992 }
1993 }
1994
1995 void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1996 {
1997 // Note: a wxPaintDC must be constructed even if no drawing is
1998 // done (a Windows requirement).
1999 wxPaintDC dc( this );
2000
2001 if ( IsEmpty() )
2002 {
2003 // nothing to draw or not the moment to draw it
2004 return;
2005 }
2006
2007 if ( m_dirty )
2008 RecalculatePositions( false );
2009
2010 GetListCtrl()->PrepareDC( dc );
2011
2012 int dev_x, dev_y;
2013 GetListCtrl()->CalcScrolledPosition( 0, 0, &dev_x, &dev_y );
2014
2015 dc.SetFont( GetFont() );
2016
2017 if ( InReportView() )
2018 {
2019 int lineHeight = GetLineHeight();
2020
2021 size_t visibleFrom, visibleTo;
2022 GetVisibleLinesRange(&visibleFrom, &visibleTo);
2023
2024 wxRect rectLine;
2025 int xOrig = dc.LogicalToDeviceX( 0 );
2026 int yOrig = dc.LogicalToDeviceY( 0 );
2027
2028 // tell the caller cache to cache the data
2029 if ( IsVirtual() )
2030 {
2031 wxListEvent evCache(wxEVT_COMMAND_LIST_CACHE_HINT,
2032 GetParent()->GetId());
2033 evCache.SetEventObject( GetParent() );
2034 evCache.m_oldItemIndex = visibleFrom;
2035 evCache.m_item.m_itemId =
2036 evCache.m_itemIndex = visibleTo;
2037 GetParent()->GetEventHandler()->ProcessEvent( evCache );
2038 }
2039
2040 for ( size_t line = visibleFrom; line <= visibleTo; line++ )
2041 {
2042 rectLine = GetLineRect(line);
2043
2044
2045 if ( !IsExposed(rectLine.x + xOrig, rectLine.y + yOrig,
2046 rectLine.width, rectLine.height) )
2047 {
2048 // don't redraw unaffected lines to avoid flicker
2049 continue;
2050 }
2051
2052 GetLine(line)->DrawInReportMode( &dc,
2053 rectLine,
2054 GetLineHighlightRect(line),
2055 IsHighlighted(line),
2056 line == m_current );
2057 }
2058
2059 if ( HasFlag(wxLC_HRULES) )
2060 {
2061 wxPen pen(GetRuleColour(), 1, wxPENSTYLE_SOLID);
2062 wxSize clientSize = GetClientSize();
2063
2064 size_t i = visibleFrom;
2065 if (i == 0) i = 1; // Don't draw the first one
2066 for ( ; i <= visibleTo; i++ )
2067 {
2068 dc.SetPen(pen);
2069 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2070 dc.DrawLine(0 - dev_x, i * lineHeight,
2071 clientSize.x - dev_x, i * lineHeight);
2072 }
2073
2074 // Draw last horizontal rule
2075 if ( visibleTo == GetItemCount() - 1 )
2076 {
2077 dc.SetPen( pen );
2078 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2079 dc.DrawLine(0 - dev_x, (m_lineTo + 1) * lineHeight,
2080 clientSize.x - dev_x , (m_lineTo + 1) * lineHeight );
2081 }
2082 }
2083
2084 // Draw vertical rules if required
2085 if ( HasFlag(wxLC_VRULES) && !IsEmpty() )
2086 {
2087 wxPen pen(GetRuleColour(), 1, wxPENSTYLE_SOLID);
2088 wxRect firstItemRect, lastItemRect;
2089
2090 GetItemRect(visibleFrom, firstItemRect);
2091 GetItemRect(visibleTo, lastItemRect);
2092 int x = firstItemRect.GetX();
2093 dc.SetPen(pen);
2094 dc.SetBrush(* wxTRANSPARENT_BRUSH);
2095
2096 for (int col = 0; col < GetColumnCount(); col++)
2097 {
2098 int colWidth = GetColumnWidth(col);
2099 x += colWidth;
2100 int x_pos = x - dev_x;
2101 if (col < GetColumnCount()-1) x_pos -= 2;
2102 dc.DrawLine(x_pos, firstItemRect.GetY() - 1 - dev_y,
2103 x_pos, lastItemRect.GetBottom() + 1 - dev_y);
2104 }
2105 }
2106 }
2107 else // !report
2108 {
2109 size_t count = GetItemCount();
2110 for ( size_t i = 0; i < count; i++ )
2111 {
2112 GetLine(i)->Draw( &dc, i == m_current );
2113 }
2114 }
2115
2116 // DrawFocusRect() is unusable under Mac, it draws outside of the highlight
2117 // rectangle somehow and so leaves traces when the item is not selected any
2118 // more, see #12229.
2119 #ifndef __WXMAC__
2120 if ( HasCurrent() )
2121 {
2122 int flags = 0;
2123 if ( IsHighlighted(m_current) )
2124 flags |= wxCONTROL_SELECTED;
2125
2126 wxRendererNative::Get().
2127 DrawFocusRect(this, dc, GetLineHighlightRect(m_current), flags);
2128 }
2129 #endif // !__WXMAC__
2130 }
2131
2132 void wxListMainWindow::HighlightAll( bool on )
2133 {
2134 if ( IsSingleSel() )
2135 {
2136 wxASSERT_MSG( !on, wxT("can't do this in a single selection control") );
2137
2138 // we just have one item to turn off
2139 if ( HasCurrent() && IsHighlighted(m_current) )
2140 {
2141 HighlightLine(m_current, false);
2142 RefreshLine(m_current);
2143 }
2144 }
2145 else // multi selection
2146 {
2147 if ( !IsEmpty() )
2148 HighlightLines(0, GetItemCount() - 1, on);
2149 }
2150 }
2151
2152 void wxListMainWindow::OnChildFocus(wxChildFocusEvent& WXUNUSED(event))
2153 {
2154 // Do nothing here. This prevents the default handler in wxScrolledWindow
2155 // from needlessly scrolling the window when the edit control is
2156 // dismissed. See ticket #9563.
2157 }
2158
2159 void wxListMainWindow::SendNotify( size_t line,
2160 wxEventType command,
2161 const wxPoint& point )
2162 {
2163 wxListEvent le( command, GetParent()->GetId() );
2164 le.SetEventObject( GetParent() );
2165
2166 le.m_item.m_itemId =
2167 le.m_itemIndex = line;
2168
2169 // set only for events which have position
2170 if ( point != wxDefaultPosition )
2171 le.m_pointDrag = point;
2172
2173 // don't try to get the line info for virtual list controls: the main
2174 // program has it anyhow and if we did it would result in accessing all
2175 // the lines, even those which are not visible now and this is precisely
2176 // what we're trying to avoid
2177 if ( !IsVirtual() )
2178 {
2179 if ( line != (size_t)-1 )
2180 {
2181 GetLine(line)->GetItem( 0, le.m_item );
2182 }
2183 //else: this happens for wxEVT_COMMAND_LIST_ITEM_FOCUSED event
2184 }
2185 //else: there may be no more such item
2186
2187 GetParent()->GetEventHandler()->ProcessEvent( le );
2188 }
2189
2190 void wxListMainWindow::ChangeCurrent(size_t current)
2191 {
2192 m_current = current;
2193
2194 // as the current item changed, we shouldn't start editing it when the
2195 // "slow click" timer expires as the click happened on another item
2196 if ( m_renameTimer->IsRunning() )
2197 m_renameTimer->Stop();
2198
2199 SendNotify(current, wxEVT_COMMAND_LIST_ITEM_FOCUSED);
2200 }
2201
2202 wxTextCtrl *wxListMainWindow::EditLabel(long item, wxClassInfo* textControlClass)
2203 {
2204 wxCHECK_MSG( (item >= 0) && ((size_t)item < GetItemCount()), NULL,
2205 wxT("wrong index in wxGenericListCtrl::EditLabel()") );
2206
2207 wxASSERT_MSG( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)),
2208 wxT("EditLabel() needs a text control") );
2209
2210 size_t itemEdit = (size_t)item;
2211
2212 wxListEvent le( wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT, GetParent()->GetId() );
2213 le.SetEventObject( GetParent() );
2214 le.m_item.m_itemId =
2215 le.m_itemIndex = item;
2216 wxListLineData *data = GetLine(itemEdit);
2217 wxCHECK_MSG( data, NULL, wxT("invalid index in EditLabel()") );
2218 data->GetItem( 0, le.m_item );
2219
2220 if ( GetParent()->GetEventHandler()->ProcessEvent( le ) && !le.IsAllowed() )
2221 {
2222 // vetoed by user code
2223 return NULL;
2224 }
2225
2226 // We have to call this here because the label in question might just have
2227 // been added and no screen update taken place.
2228 if ( m_dirty )
2229 {
2230 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
2231 // so that no pending events may change the item count (see below)
2232 // IMPORTANT: needs to be tested!
2233 wxSafeYield();
2234
2235 // Pending events dispatched by wxSafeYield might have changed the item
2236 // count
2237 if ( (size_t)item >= GetItemCount() )
2238 return NULL;
2239 }
2240
2241 wxTextCtrl * const text = (wxTextCtrl *)textControlClass->CreateObject();
2242 m_textctrlWrapper = new wxListTextCtrlWrapper(this, text, item);
2243 return m_textctrlWrapper->GetText();
2244 }
2245
2246 void wxListMainWindow::OnRenameTimer()
2247 {
2248 wxCHECK_RET( HasCurrent(), wxT("unexpected rename timer") );
2249
2250 EditLabel( m_current );
2251 }
2252
2253 bool wxListMainWindow::OnRenameAccept(size_t itemEdit, const wxString& value)
2254 {
2255 wxListEvent le( wxEVT_COMMAND_LIST_END_LABEL_EDIT, GetParent()->GetId() );
2256 le.SetEventObject( GetParent() );
2257 le.m_item.m_itemId =
2258 le.m_itemIndex = itemEdit;
2259
2260 wxListLineData *data = GetLine(itemEdit);
2261
2262 wxCHECK_MSG( data, false, wxT("invalid index in OnRenameAccept()") );
2263
2264 data->GetItem( 0, le.m_item );
2265 le.m_item.m_text = value;
2266 return !GetParent()->GetEventHandler()->ProcessEvent( le ) ||
2267 le.IsAllowed();
2268 }
2269
2270 void wxListMainWindow::OnRenameCancelled(size_t itemEdit)
2271 {
2272 // let owner know that the edit was cancelled
2273 wxListEvent le( wxEVT_COMMAND_LIST_END_LABEL_EDIT, GetParent()->GetId() );
2274
2275 le.SetEditCanceled(true);
2276
2277 le.SetEventObject( GetParent() );
2278 le.m_item.m_itemId =
2279 le.m_itemIndex = itemEdit;
2280
2281 wxListLineData *data = GetLine(itemEdit);
2282 wxCHECK_RET( data, wxT("invalid index in OnRenameCancelled()") );
2283
2284 data->GetItem( 0, le.m_item );
2285 GetEventHandler()->ProcessEvent( le );
2286 }
2287
2288 void wxListMainWindow::OnMouse( wxMouseEvent &event )
2289 {
2290 #ifdef __WXMAC__
2291 // On wxMac we can't depend on the EVT_KILL_FOCUS event to properly
2292 // shutdown the edit control when the mouse is clicked elsewhere on the
2293 // listctrl because the order of events is different (or something like
2294 // that), so explicitly end the edit if it is active.
2295 if ( event.LeftDown() && m_textctrlWrapper )
2296 m_textctrlWrapper->EndEdit(wxListTextCtrlWrapper::End_Accept);
2297 #endif // __WXMAC__
2298
2299 if ( event.LeftDown() )
2300 SetFocus();
2301
2302 event.SetEventObject( GetParent() );
2303 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
2304 return;
2305
2306 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
2307 {
2308 // let the base class handle mouse wheel events.
2309 event.Skip();
2310 return;
2311 }
2312
2313 if ( !HasCurrent() || IsEmpty() )
2314 {
2315 if (event.RightDown())
2316 {
2317 SendNotify( (size_t)-1, wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
2318
2319 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU,
2320 GetParent()->GetId(),
2321 ClientToScreen(event.GetPosition()));
2322 evtCtx.SetEventObject(GetParent());
2323 GetParent()->GetEventHandler()->ProcessEvent(evtCtx);
2324 }
2325 return;
2326 }
2327
2328 if (m_dirty)
2329 return;
2330
2331 if ( !(event.Dragging() || event.ButtonDown() || event.LeftUp() ||
2332 event.ButtonDClick()) )
2333 return;
2334
2335 int x = event.GetX();
2336 int y = event.GetY();
2337 GetListCtrl()->CalcUnscrolledPosition( x, y, &x, &y );
2338
2339 // where did we hit it (if we did)?
2340 long hitResult = 0;
2341
2342 size_t count = GetItemCount(),
2343 current;
2344
2345 if ( InReportView() )
2346 {
2347 current = y / GetLineHeight();
2348 if ( current < count )
2349 hitResult = HitTestLine(current, x, y);
2350 }
2351 else // !report
2352 {
2353 // TODO: optimize it too! this is less simple than for report view but
2354 // enumerating all items is still not a way to do it!!
2355 for ( current = 0; current < count; current++ )
2356 {
2357 hitResult = HitTestLine(current, x, y);
2358 if ( hitResult )
2359 break;
2360 }
2361 }
2362
2363 // Update drag events counter first as we must do it even if the mouse is
2364 // not on any item right now as we must keep count in case we started
2365 // dragging from the empty control area but continued to do it over a valid
2366 // item -- in this situation we must not start dragging this item.
2367 if (event.Dragging())
2368 m_dragCount++;
2369 else
2370 m_dragCount = 0;
2371
2372 // The only mouse event that can be generated without any valid item is
2373 // wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK as it can be useful to have a global
2374 // popup menu for the list control itself which should be shown even when
2375 // the user clicks outside of any item.
2376 if ( !hitResult )
2377 {
2378 // outside of any item
2379 if (event.RightDown())
2380 {
2381 SendNotify( (size_t) -1, wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
2382
2383 wxContextMenuEvent evtCtx(
2384 wxEVT_CONTEXT_MENU,
2385 GetParent()->GetId(),
2386 ClientToScreen(event.GetPosition()));
2387 evtCtx.SetEventObject(GetParent());
2388 GetParent()->GetEventHandler()->ProcessEvent(evtCtx);
2389 }
2390 else
2391 {
2392 // reset the selection and bail out
2393 HighlightAll(false);
2394 }
2395
2396 return;
2397 }
2398
2399 if ( event.Dragging() )
2400 {
2401 if (m_dragCount == 1)
2402 {
2403 // we have to report the raw, physical coords as we want to be
2404 // able to call HitTest(event.m_pointDrag) from the user code to
2405 // get the item being dragged
2406 m_dragStart = event.GetPosition();
2407 }
2408
2409 if (m_dragCount != 3)
2410 return;
2411
2412 int command = event.RightIsDown() ? wxEVT_COMMAND_LIST_BEGIN_RDRAG
2413 : wxEVT_COMMAND_LIST_BEGIN_DRAG;
2414
2415 SendNotify( m_lineLastClicked, command, m_dragStart );
2416
2417 return;
2418 }
2419
2420 bool forceClick = false;
2421 if (event.ButtonDClick())
2422 {
2423 if ( m_renameTimer->IsRunning() )
2424 m_renameTimer->Stop();
2425
2426 m_lastOnSame = false;
2427
2428 if ( current == m_lineLastClicked )
2429 {
2430 SendNotify( current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED );
2431
2432 return;
2433 }
2434 else
2435 {
2436 // The first click was on another item, so don't interpret this as
2437 // a double click, but as a simple click instead
2438 forceClick = true;
2439 }
2440 }
2441
2442 if (event.LeftUp())
2443 {
2444 if (m_lineSelectSingleOnUp != (size_t)-1)
2445 {
2446 // select single line
2447 HighlightAll( false );
2448 ReverseHighlight(m_lineSelectSingleOnUp);
2449 }
2450
2451 if (m_lastOnSame)
2452 {
2453 if ((current == m_current) &&
2454 (hitResult == wxLIST_HITTEST_ONITEMLABEL) &&
2455 HasFlag(wxLC_EDIT_LABELS) )
2456 {
2457 if ( !InReportView() ||
2458 GetLineLabelRect(current).Contains(x, y) )
2459 {
2460 int dclick = wxSystemSettings::GetMetric(wxSYS_DCLICK_MSEC);
2461 m_renameTimer->Start(dclick > 0 ? dclick : 250, true);
2462 }
2463 }
2464 }
2465
2466 m_lastOnSame = false;
2467 m_lineSelectSingleOnUp = (size_t)-1;
2468 }
2469 else
2470 {
2471 // This is necessary, because after a DnD operation in
2472 // from and to ourself, the up event is swallowed by the
2473 // DnD code. So on next non-up event (which means here and
2474 // now) m_lineSelectSingleOnUp should be reset.
2475 m_lineSelectSingleOnUp = (size_t)-1;
2476 }
2477 if (event.RightDown())
2478 {
2479 m_lineBeforeLastClicked = m_lineLastClicked;
2480 m_lineLastClicked = current;
2481
2482 // If the item is already selected, do not update the selection.
2483 // Multi-selections should not be cleared if a selected item is clicked.
2484 if (!IsHighlighted(current))
2485 {
2486 HighlightAll(false);
2487 ChangeCurrent(current);
2488 ReverseHighlight(m_current);
2489 }
2490
2491 SendNotify( current, wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
2492
2493 // Allow generation of context menu event
2494 event.Skip();
2495 }
2496 else if (event.MiddleDown())
2497 {
2498 SendNotify( current, wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK );
2499 }
2500 else if ( event.LeftDown() || forceClick )
2501 {
2502 m_lineBeforeLastClicked = m_lineLastClicked;
2503 m_lineLastClicked = current;
2504
2505 size_t oldCurrent = m_current;
2506 bool oldWasSelected = IsHighlighted(m_current);
2507
2508 bool cmdModifierDown = event.CmdDown();
2509 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
2510 {
2511 if ( IsSingleSel() || !IsHighlighted(current) )
2512 {
2513 HighlightAll( false );
2514
2515 ChangeCurrent(current);
2516
2517 ReverseHighlight(m_current);
2518 }
2519 else // multi sel & current is highlighted & no mod keys
2520 {
2521 m_lineSelectSingleOnUp = current;
2522 ChangeCurrent(current); // change focus
2523 }
2524 }
2525 else // multi sel & either ctrl or shift is down
2526 {
2527 if (cmdModifierDown)
2528 {
2529 ChangeCurrent(current);
2530
2531 ReverseHighlight(m_current);
2532 }
2533 else if (event.ShiftDown())
2534 {
2535 ChangeCurrent(current);
2536
2537 size_t lineFrom = oldCurrent,
2538 lineTo = current;
2539
2540 if ( lineTo < lineFrom )
2541 {
2542 lineTo = lineFrom;
2543 lineFrom = m_current;
2544 }
2545
2546 HighlightLines(lineFrom, lineTo);
2547 }
2548 else // !ctrl, !shift
2549 {
2550 // test in the enclosing if should make it impossible
2551 wxFAIL_MSG( wxT("how did we get here?") );
2552 }
2553 }
2554
2555 if (m_current != oldCurrent)
2556 RefreshLine( oldCurrent );
2557
2558 // forceClick is only set if the previous click was on another item
2559 m_lastOnSame = !forceClick && (m_current == oldCurrent) && oldWasSelected;
2560 }
2561 }
2562
2563 void wxListMainWindow::MoveToItem(size_t item)
2564 {
2565 if ( item == (size_t)-1 )
2566 return;
2567
2568 wxRect rect = GetLineRect(item);
2569
2570 int client_w, client_h;
2571 GetClientSize( &client_w, &client_h );
2572
2573 const int hLine = GetLineHeight();
2574
2575 int view_x = SCROLL_UNIT_X * GetListCtrl()->GetScrollPos( wxHORIZONTAL );
2576 int view_y = hLine * GetListCtrl()->GetScrollPos( wxVERTICAL );
2577
2578 if ( InReportView() )
2579 {
2580 // the next we need the range of lines shown it might be different,
2581 // so recalculate it
2582 ResetVisibleLinesRange();
2583
2584 if (rect.y < view_y)
2585 GetListCtrl()->Scroll( -1, rect.y / hLine );
2586 if (rect.y + rect.height + 5 > view_y + client_h)
2587 GetListCtrl()->Scroll( -1, (rect.y + rect.height - client_h + hLine) / hLine );
2588
2589 #ifdef __WXMAC__
2590 // At least on Mac the visible lines value will get reset inside of
2591 // Scroll *before* it actually scrolls the window because of the
2592 // Update() that happens there, so it will still have the wrong value.
2593 // So let's reset it again and wait for it to be recalculated in the
2594 // next paint event. I would expect this problem to show up in wxGTK
2595 // too but couldn't duplicate it there. Perhaps the order of events
2596 // is different... --Robin
2597 ResetVisibleLinesRange();
2598 #endif
2599 }
2600 else // !report
2601 {
2602 int sx = -1,
2603 sy = -1;
2604
2605 if (rect.x-view_x < 5)
2606 sx = (rect.x - 5) / SCROLL_UNIT_X;
2607 if (rect.x + rect.width - 5 > view_x + client_w)
2608 sx = (rect.x + rect.width - client_w + SCROLL_UNIT_X) / SCROLL_UNIT_X;
2609
2610 if (rect.y-view_y < 5)
2611 sy = (rect.y - 5) / hLine;
2612 if (rect.y + rect.height - 5 > view_y + client_h)
2613 sy = (rect.y + rect.height - client_h + hLine) / hLine;
2614
2615 GetListCtrl()->Scroll(sx, sy);
2616 }
2617 }
2618
2619 bool wxListMainWindow::ScrollList(int WXUNUSED(dx), int dy)
2620 {
2621 if ( !InReportView() )
2622 {
2623 // TODO: this should work in all views but is not implemented now
2624 return false;
2625 }
2626
2627 size_t top, bottom;
2628 GetVisibleLinesRange(&top, &bottom);
2629
2630 if ( bottom == (size_t)-1 )
2631 return 0;
2632
2633 ResetVisibleLinesRange();
2634
2635 int hLine = GetLineHeight();
2636
2637 GetListCtrl()->Scroll(-1, top + dy / hLine);
2638
2639 #ifdef __WXMAC__
2640 // see comment in MoveToItem() for why we do this
2641 ResetVisibleLinesRange();
2642 #endif
2643
2644 return true;
2645 }
2646
2647 // ----------------------------------------------------------------------------
2648 // keyboard handling
2649 // ----------------------------------------------------------------------------
2650
2651 void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event)
2652 {
2653 wxCHECK_RET( newCurrent < (size_t)GetItemCount(),
2654 wxT("invalid item index in OnArrowChar()") );
2655
2656 size_t oldCurrent = m_current;
2657
2658 // in single selection we just ignore Shift as we can't select several
2659 // items anyhow
2660 if ( event.ShiftDown() && !IsSingleSel() )
2661 {
2662 ChangeCurrent(newCurrent);
2663
2664 // refresh the old focus to remove it
2665 RefreshLine( oldCurrent );
2666
2667 // select all the items between the old and the new one
2668 if ( oldCurrent > newCurrent )
2669 {
2670 newCurrent = oldCurrent;
2671 oldCurrent = m_current;
2672 }
2673
2674 HighlightLines(oldCurrent, newCurrent);
2675 }
2676 else // !shift
2677 {
2678 // all previously selected items are unselected unless ctrl is held
2679 // in a multiselection control
2680 if ( !event.ControlDown() || IsSingleSel() )
2681 HighlightAll(false);
2682
2683 ChangeCurrent(newCurrent);
2684
2685 // refresh the old focus to remove it
2686 RefreshLine( oldCurrent );
2687
2688 // in single selection mode we must always have a selected item
2689 if ( !event.ControlDown() || IsSingleSel() )
2690 HighlightLine( m_current, true );
2691 }
2692
2693 RefreshLine( m_current );
2694
2695 MoveToFocus();
2696 }
2697
2698 void wxListMainWindow::OnKeyDown( wxKeyEvent &event )
2699 {
2700 wxWindow *parent = GetParent();
2701
2702 // propagate the key event upwards
2703 wxKeyEvent ke(event);
2704 ke.SetEventObject( parent );
2705 if (parent->GetEventHandler()->ProcessEvent( ke ))
2706 return;
2707
2708 // send a list event
2709 wxListEvent le( wxEVT_COMMAND_LIST_KEY_DOWN, parent->GetId() );
2710 le.m_item.m_itemId =
2711 le.m_itemIndex = m_current;
2712 if (HasCurrent())
2713 GetLine(m_current)->GetItem( 0, le.m_item );
2714 le.m_code = event.GetKeyCode();
2715 le.SetEventObject( parent );
2716 if (parent->GetEventHandler()->ProcessEvent( le ))
2717 return;
2718
2719 event.Skip();
2720 }
2721
2722 void wxListMainWindow::OnKeyUp( wxKeyEvent &event )
2723 {
2724 wxWindow *parent = GetParent();
2725
2726 // propagate the key event upwards
2727 wxKeyEvent ke(event);
2728 if (parent->GetEventHandler()->ProcessEvent( ke ))
2729 return;
2730
2731 event.Skip();
2732 }
2733
2734 void wxListMainWindow::OnCharHook( wxKeyEvent &event )
2735 {
2736 if ( m_textctrlWrapper )
2737 {
2738 // When an in-place editor is active we should ensure that it always
2739 // gets the key events that are special to it.
2740 if ( m_textctrlWrapper->CheckForEndEditKey(event) )
2741 {
2742 // Skip the call to wxEvent::Skip() below.
2743 return;
2744 }
2745 }
2746
2747 event.Skip();
2748 }
2749
2750 void wxListMainWindow::OnChar( wxKeyEvent &event )
2751 {
2752 wxWindow *parent = GetParent();
2753
2754 // propagate the char event upwards
2755 wxKeyEvent ke(event);
2756 ke.SetEventObject( parent );
2757 if (parent->GetEventHandler()->ProcessEvent( ke ))
2758 return;
2759
2760 if ( HandleAsNavigationKey(event) )
2761 return;
2762
2763 // no item -> nothing to do
2764 if (!HasCurrent())
2765 {
2766 event.Skip();
2767 return;
2768 }
2769
2770 // don't use m_linesPerPage directly as it might not be computed yet
2771 const int pageSize = GetCountPerPage();
2772 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
2773
2774 if (GetLayoutDirection() == wxLayout_RightToLeft)
2775 {
2776 if (event.GetKeyCode() == WXK_RIGHT)
2777 event.m_keyCode = WXK_LEFT;
2778 else if (event.GetKeyCode() == WXK_LEFT)
2779 event.m_keyCode = WXK_RIGHT;
2780 }
2781
2782 switch ( event.GetKeyCode() )
2783 {
2784 case WXK_UP:
2785 if ( m_current > 0 )
2786 OnArrowChar( m_current - 1, event );
2787 break;
2788
2789 case WXK_DOWN:
2790 if ( m_current < (size_t)GetItemCount() - 1 )
2791 OnArrowChar( m_current + 1, event );
2792 break;
2793
2794 case WXK_END:
2795 if (!IsEmpty())
2796 OnArrowChar( GetItemCount() - 1, event );
2797 break;
2798
2799 case WXK_HOME:
2800 if (!IsEmpty())
2801 OnArrowChar( 0, event );
2802 break;
2803
2804 case WXK_PAGEUP:
2805 {
2806 int steps = InReportView() ? pageSize - 1
2807 : m_current % pageSize;
2808
2809 int index = m_current - steps;
2810 if (index < 0)
2811 index = 0;
2812
2813 OnArrowChar( index, event );
2814 }
2815 break;
2816
2817 case WXK_PAGEDOWN:
2818 {
2819 int steps = InReportView()
2820 ? pageSize - 1
2821 : pageSize - (m_current % pageSize) - 1;
2822
2823 size_t index = m_current + steps;
2824 size_t count = GetItemCount();
2825 if ( index >= count )
2826 index = count - 1;
2827
2828 OnArrowChar( index, event );
2829 }
2830 break;
2831
2832 case WXK_LEFT:
2833 if ( !InReportView() )
2834 {
2835 int index = m_current - pageSize;
2836 if (index < 0)
2837 index = 0;
2838
2839 OnArrowChar( index, event );
2840 }
2841 break;
2842
2843 case WXK_RIGHT:
2844 if ( !InReportView() )
2845 {
2846 size_t index = m_current + pageSize;
2847
2848 size_t count = GetItemCount();
2849 if ( index >= count )
2850 index = count - 1;
2851
2852 OnArrowChar( index, event );
2853 }
2854 break;
2855
2856 case WXK_SPACE:
2857 if ( IsSingleSel() )
2858 {
2859 if ( event.ControlDown() )
2860 {
2861 ReverseHighlight(m_current);
2862 }
2863 else // normal space press
2864 {
2865 SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED );
2866 }
2867 }
2868 else // multiple selection
2869 {
2870 ReverseHighlight(m_current);
2871 }
2872 break;
2873
2874 case WXK_RETURN:
2875 case WXK_EXECUTE:
2876 SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED );
2877 break;
2878
2879 default:
2880 event.Skip();
2881 }
2882 }
2883
2884 // ----------------------------------------------------------------------------
2885 // focus handling
2886 // ----------------------------------------------------------------------------
2887
2888 void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
2889 {
2890 if ( GetParent() )
2891 {
2892 wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() );
2893 event.SetEventObject( GetParent() );
2894 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
2895 return;
2896 }
2897
2898 // wxGTK sends us EVT_SET_FOCUS events even if we had never got
2899 // EVT_KILL_FOCUS before which means that we finish by redrawing the items
2900 // which are already drawn correctly resulting in horrible flicker - avoid
2901 // it
2902 if ( !m_hasFocus )
2903 {
2904 m_hasFocus = true;
2905
2906 RefreshSelected();
2907 }
2908 }
2909
2910 void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
2911 {
2912 if ( GetParent() )
2913 {
2914 wxFocusEvent event( wxEVT_KILL_FOCUS, GetParent()->GetId() );
2915 event.SetEventObject( GetParent() );
2916 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
2917 return;
2918 }
2919
2920 m_hasFocus = false;
2921 RefreshSelected();
2922 }
2923
2924 void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y )
2925 {
2926 if ( HasFlag(wxLC_ICON) && (m_normal_image_list))
2927 {
2928 m_normal_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
2929 }
2930 else if ( HasFlag(wxLC_SMALL_ICON) && (m_small_image_list))
2931 {
2932 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
2933 }
2934 else if ( HasFlag(wxLC_LIST) && (m_small_image_list))
2935 {
2936 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
2937 }
2938 else if ( InReportView() && (m_small_image_list))
2939 {
2940 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
2941 }
2942 }
2943
2944 void wxListMainWindow::GetImageSize( int index, int &width, int &height ) const
2945 {
2946 if ( HasFlag(wxLC_ICON) && m_normal_image_list )
2947 {
2948 m_normal_image_list->GetSize( index, width, height );
2949 }
2950 else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
2951 {
2952 m_small_image_list->GetSize( index, width, height );
2953 }
2954 else if ( HasFlag(wxLC_LIST) && m_small_image_list )
2955 {
2956 m_small_image_list->GetSize( index, width, height );
2957 }
2958 else if ( InReportView() && m_small_image_list )
2959 {
2960 m_small_image_list->GetSize( index, width, height );
2961 }
2962 else
2963 {
2964 width =
2965 height = 0;
2966 }
2967 }
2968
2969 void wxListMainWindow::SetImageList( wxImageList *imageList, int which )
2970 {
2971 m_dirty = true;
2972
2973 // calc the spacing from the icon size
2974 int width = 0, height = 0;
2975
2976 if ((imageList) && (imageList->GetImageCount()) )
2977 imageList->GetSize(0, width, height);
2978
2979 if (which == wxIMAGE_LIST_NORMAL)
2980 {
2981 m_normal_image_list = imageList;
2982 m_normal_spacing = width + 8;
2983 }
2984
2985 if (which == wxIMAGE_LIST_SMALL)
2986 {
2987 m_small_image_list = imageList;
2988 m_small_spacing = width + 14;
2989 m_lineHeight = 0; // ensure that the line height will be recalc'd
2990 }
2991 }
2992
2993 void wxListMainWindow::SetItemSpacing( int spacing, bool isSmall )
2994 {
2995 m_dirty = true;
2996 if (isSmall)
2997 m_small_spacing = spacing;
2998 else
2999 m_normal_spacing = spacing;
3000 }
3001
3002 int wxListMainWindow::GetItemSpacing( bool isSmall )
3003 {
3004 return isSmall ? m_small_spacing : m_normal_spacing;
3005 }
3006
3007 // ----------------------------------------------------------------------------
3008 // columns
3009 // ----------------------------------------------------------------------------
3010
3011 int
3012 wxListMainWindow::ComputeMinHeaderWidth(const wxListHeaderData* column) const
3013 {
3014 wxClientDC dc(const_cast<wxListMainWindow*>(this));
3015
3016 int width = dc.GetTextExtent(column->GetText()).x + AUTOSIZE_COL_MARGIN;
3017
3018 width += 2*EXTRA_WIDTH;
3019
3020 // check for column header's image availability
3021 const int image = column->GetImage();
3022 if ( image != -1 )
3023 {
3024 if ( m_small_image_list )
3025 {
3026 int ix = 0, iy = 0;
3027 m_small_image_list->GetSize(image, ix, iy);
3028 width += ix + HEADER_IMAGE_MARGIN_IN_REPORT_MODE;
3029 }
3030 }
3031
3032 return width;
3033 }
3034
3035 void wxListMainWindow::SetColumn( int col, const wxListItem &item )
3036 {
3037 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3038
3039 wxCHECK_RET( node, wxT("invalid column index in SetColumn") );
3040
3041 wxListHeaderData *column = node->GetData();
3042 column->SetItem( item );
3043
3044 if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER )
3045 column->SetWidth(ComputeMinHeaderWidth(column));
3046
3047 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3048 if ( headerWin )
3049 headerWin->m_dirty = true;
3050
3051 m_dirty = true;
3052
3053 // invalidate it as it has to be recalculated
3054 m_headerWidth = 0;
3055 }
3056
3057 void wxListMainWindow::SetColumnWidth( int col, int width )
3058 {
3059 wxCHECK_RET( col >= 0 && col < GetColumnCount(),
3060 wxT("invalid column index") );
3061
3062 wxCHECK_RET( InReportView(),
3063 wxT("SetColumnWidth() can only be called in report mode.") );
3064
3065 m_dirty = true;
3066
3067 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3068 if ( headerWin )
3069 headerWin->m_dirty = true;
3070
3071 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3072 wxCHECK_RET( node, wxT("no column?") );
3073
3074 wxListHeaderData *column = node->GetData();
3075
3076 size_t count = GetItemCount();
3077
3078 if (width == wxLIST_AUTOSIZE_USEHEADER)
3079 {
3080 width = ComputeMinHeaderWidth(column);
3081 }
3082 else if ( width == wxLIST_AUTOSIZE )
3083 {
3084 width = ComputeMinHeaderWidth(column);
3085
3086 if ( !IsVirtual() )
3087 {
3088 wxClientDC dc(this);
3089 dc.SetFont( GetFont() );
3090
3091 int max = AUTOSIZE_COL_MARGIN;
3092
3093 // if the cached column width isn't valid then recalculate it
3094 if (m_aColWidths.Item(col)->bNeedsUpdate)
3095 {
3096 for (size_t i = 0; i < count; i++)
3097 {
3098 wxListLineData *line = GetLine( i );
3099 wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
3100
3101 wxCHECK_RET( n, wxT("no subitem?") );
3102
3103 wxListItemData *itemData = n->GetData();
3104 wxListItem item;
3105
3106 itemData->GetItem(item);
3107 int itemWidth = GetItemWidthWithImage(&item);
3108 if (itemWidth > max)
3109 max = itemWidth;
3110 }
3111
3112 m_aColWidths.Item(col)->bNeedsUpdate = false;
3113 m_aColWidths.Item(col)->nMaxWidth = max;
3114 }
3115
3116 max = m_aColWidths.Item(col)->nMaxWidth + AUTOSIZE_COL_MARGIN;
3117 if ( width < max )
3118 width = max;
3119 }
3120 }
3121
3122 column->SetWidth( width );
3123
3124 // invalidate it as it has to be recalculated
3125 m_headerWidth = 0;
3126 }
3127
3128 int wxListMainWindow::GetHeaderWidth() const
3129 {
3130 if ( !m_headerWidth )
3131 {
3132 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
3133
3134 size_t count = GetColumnCount();
3135 for ( size_t col = 0; col < count; col++ )
3136 {
3137 self->m_headerWidth += GetColumnWidth(col);
3138 }
3139 }
3140
3141 return m_headerWidth;
3142 }
3143
3144 void wxListMainWindow::GetColumn( int col, wxListItem &item ) const
3145 {
3146 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3147 wxCHECK_RET( node, wxT("invalid column index in GetColumn") );
3148
3149 wxListHeaderData *column = node->GetData();
3150 column->GetItem( item );
3151 }
3152
3153 int wxListMainWindow::GetColumnWidth( int col ) const
3154 {
3155 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3156 wxCHECK_MSG( node, 0, wxT("invalid column index") );
3157
3158 wxListHeaderData *column = node->GetData();
3159 return column->GetWidth();
3160 }
3161
3162 // ----------------------------------------------------------------------------
3163 // item state
3164 // ----------------------------------------------------------------------------
3165
3166 void wxListMainWindow::SetItem( wxListItem &item )
3167 {
3168 long id = item.m_itemId;
3169 wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(),
3170 wxT("invalid item index in SetItem") );
3171
3172 if ( !IsVirtual() )
3173 {
3174 wxListLineData *line = GetLine((size_t)id);
3175 line->SetItem( item.m_col, item );
3176
3177 // Set item state if user wants
3178 if ( item.m_mask & wxLIST_MASK_STATE )
3179 SetItemState( item.m_itemId, item.m_state, item.m_state );
3180
3181 if (InReportView())
3182 {
3183 // update the Max Width Cache if needed
3184 int width = GetItemWidthWithImage(&item);
3185
3186 if (width > m_aColWidths.Item(item.m_col)->nMaxWidth)
3187 m_aColWidths.Item(item.m_col)->nMaxWidth = width;
3188 }
3189 }
3190
3191 // update the item on screen unless we're going to update everything soon
3192 // anyhow
3193 if ( !m_dirty )
3194 {
3195 wxRect rectItem;
3196 GetItemRect(id, rectItem);
3197 RefreshRect(rectItem);
3198 }
3199 }
3200
3201 void wxListMainWindow::SetItemStateAll(long state, long stateMask)
3202 {
3203 if ( IsEmpty() )
3204 return;
3205
3206 // first deal with selection
3207 if ( stateMask & wxLIST_STATE_SELECTED )
3208 {
3209 // set/clear select state
3210 if ( IsVirtual() )
3211 {
3212 // optimized version for virtual listctrl.
3213 m_selStore.SelectRange(0, GetItemCount() - 1, state == wxLIST_STATE_SELECTED);
3214 Refresh();
3215 }
3216 else if ( state & wxLIST_STATE_SELECTED )
3217 {
3218 const long count = GetItemCount();
3219 for( long i = 0; i < count; i++ )
3220 {
3221 SetItemState( i, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED );
3222 }
3223
3224 }
3225 else
3226 {
3227 // clear for non virtual (somewhat optimized by using GetNextItem())
3228 long i = -1;
3229 while ( (i = GetNextItem(i, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED)) != -1 )
3230 {
3231 SetItemState( i, 0, wxLIST_STATE_SELECTED );
3232 }
3233 }
3234 }
3235
3236 if ( HasCurrent() && (state == 0) && (stateMask & wxLIST_STATE_FOCUSED) )
3237 {
3238 // unfocus all: only one item can be focussed, so clearing focus for
3239 // all items is simply clearing focus of the focussed item.
3240 SetItemState(m_current, state, stateMask);
3241 }
3242 //(setting focus to all items makes no sense, so it is not handled here.)
3243 }
3244
3245 void wxListMainWindow::SetItemState( long litem, long state, long stateMask )
3246 {
3247 if ( litem == -1 )
3248 {
3249 SetItemStateAll(state, stateMask);
3250 return;
3251 }
3252
3253 wxCHECK_RET( litem >= 0 && (size_t)litem < GetItemCount(),
3254 wxT("invalid list ctrl item index in SetItem") );
3255
3256 size_t oldCurrent = m_current;
3257 size_t item = (size_t)litem; // safe because of the check above
3258
3259 // do we need to change the focus?
3260 if ( stateMask & wxLIST_STATE_FOCUSED )
3261 {
3262 if ( state & wxLIST_STATE_FOCUSED )
3263 {
3264 // don't do anything if this item is already focused
3265 if ( item != m_current )
3266 {
3267 ChangeCurrent(item);
3268
3269 if ( oldCurrent != (size_t)-1 )
3270 {
3271 if ( IsSingleSel() )
3272 {
3273 HighlightLine(oldCurrent, false);
3274 }
3275
3276 RefreshLine(oldCurrent);
3277 }
3278
3279 RefreshLine( m_current );
3280 }
3281 }
3282 else // unfocus
3283 {
3284 // don't do anything if this item is not focused
3285 if ( item == m_current )
3286 {
3287 ResetCurrent();
3288
3289 if ( IsSingleSel() )
3290 {
3291 // we must unselect the old current item as well or we
3292 // might end up with more than one selected item in a
3293 // single selection control
3294 HighlightLine(oldCurrent, false);
3295 }
3296
3297 RefreshLine( oldCurrent );
3298 }
3299 }
3300 }
3301
3302 // do we need to change the selection state?
3303 if ( stateMask & wxLIST_STATE_SELECTED )
3304 {
3305 bool on = (state & wxLIST_STATE_SELECTED) != 0;
3306
3307 if ( IsSingleSel() )
3308 {
3309 if ( on )
3310 {
3311 // selecting the item also makes it the focused one in the
3312 // single sel mode
3313 if ( m_current != item )
3314 {
3315 ChangeCurrent(item);
3316
3317 if ( oldCurrent != (size_t)-1 )
3318 {
3319 HighlightLine( oldCurrent, false );
3320 RefreshLine( oldCurrent );
3321 }
3322 }
3323 }
3324 else // off
3325 {
3326 // only the current item may be selected anyhow
3327 if ( item != m_current )
3328 return;
3329 }
3330 }
3331
3332 if ( HighlightLine(item, on) )
3333 {
3334 RefreshLine(item);
3335 }
3336 }
3337 }
3338
3339 int wxListMainWindow::GetItemState( long item, long stateMask ) const
3340 {
3341 wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), 0,
3342 wxT("invalid list ctrl item index in GetItemState()") );
3343
3344 int ret = wxLIST_STATE_DONTCARE;
3345
3346 if ( stateMask & wxLIST_STATE_FOCUSED )
3347 {
3348 if ( (size_t)item == m_current )
3349 ret |= wxLIST_STATE_FOCUSED;
3350 }
3351
3352 if ( stateMask & wxLIST_STATE_SELECTED )
3353 {
3354 if ( IsHighlighted(item) )
3355 ret |= wxLIST_STATE_SELECTED;
3356 }
3357
3358 return ret;
3359 }
3360
3361 void wxListMainWindow::GetItem( wxListItem &item ) const
3362 {
3363 wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId < GetItemCount(),
3364 wxT("invalid item index in GetItem") );
3365
3366 wxListLineData *line = GetLine((size_t)item.m_itemId);
3367 line->GetItem( item.m_col, item );
3368
3369 // Get item state if user wants it
3370 if ( item.m_mask & wxLIST_MASK_STATE )
3371 item.m_state = GetItemState( item.m_itemId, wxLIST_STATE_SELECTED |
3372 wxLIST_STATE_FOCUSED );
3373 }
3374
3375 // ----------------------------------------------------------------------------
3376 // item count
3377 // ----------------------------------------------------------------------------
3378
3379 size_t wxListMainWindow::GetItemCount() const
3380 {
3381 return IsVirtual() ? m_countVirt : m_lines.GetCount();
3382 }
3383
3384 void wxListMainWindow::SetItemCount(long count)
3385 {
3386 m_selStore.SetItemCount(count);
3387 m_countVirt = count;
3388
3389 ResetVisibleLinesRange();
3390
3391 // scrollbars must be reset
3392 m_dirty = true;
3393 }
3394
3395 int wxListMainWindow::GetSelectedItemCount() const
3396 {
3397 // deal with the quick case first
3398 if ( IsSingleSel() )
3399 return HasCurrent() ? IsHighlighted(m_current) : false;
3400
3401 // virtual controls remmebers all its selections itself
3402 if ( IsVirtual() )
3403 return m_selStore.GetSelectedCount();
3404
3405 // TODO: we probably should maintain the number of items selected even for
3406 // non virtual controls as enumerating all lines is really slow...
3407 size_t countSel = 0;
3408 size_t count = GetItemCount();
3409 for ( size_t line = 0; line < count; line++ )
3410 {
3411 if ( GetLine(line)->IsHighlighted() )
3412 countSel++;
3413 }
3414
3415 return countSel;
3416 }
3417
3418 // ----------------------------------------------------------------------------
3419 // item position/size
3420 // ----------------------------------------------------------------------------
3421
3422 wxRect wxListMainWindow::GetViewRect() const
3423 {
3424 wxASSERT_MSG( !HasFlag(wxLC_LIST), "not implemented for list view" );
3425
3426 // we need to find the longest/tallest label
3427 wxCoord xMax = 0, yMax = 0;
3428 const int count = GetItemCount();
3429 if ( count )
3430 {
3431 for ( int i = 0; i < count; i++ )
3432 {
3433 // we need logical, not physical, coordinates here, so use
3434 // GetLineRect() instead of GetItemRect()
3435 wxRect r = GetLineRect(i);
3436
3437 wxCoord x = r.GetRight(),
3438 y = r.GetBottom();
3439
3440 if ( x > xMax )
3441 xMax = x;
3442 if ( y > yMax )
3443 yMax = y;
3444 }
3445 }
3446
3447 // some fudge needed to make it look prettier
3448 xMax += 2 * EXTRA_BORDER_X;
3449 yMax += 2 * EXTRA_BORDER_Y;
3450
3451 // account for the scrollbars if necessary
3452 const wxSize sizeAll = GetClientSize();
3453 if ( xMax > sizeAll.x )
3454 yMax += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
3455 if ( yMax > sizeAll.y )
3456 xMax += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
3457
3458 return wxRect(0, 0, xMax, yMax);
3459 }
3460
3461 bool
3462 wxListMainWindow::GetSubItemRect(long item, long subItem, wxRect& rect) const
3463 {
3464 wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM || InReportView(),
3465 false,
3466 wxT("GetSubItemRect only meaningful in report view") );
3467 wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), false,
3468 wxT("invalid item in GetSubItemRect") );
3469
3470 // ensure that we're laid out, otherwise we could return nonsense
3471 if ( m_dirty )
3472 {
3473 wxConstCast(this, wxListMainWindow)->
3474 RecalculatePositions(true /* no refresh */);
3475 }
3476
3477 rect = GetLineRect((size_t)item);
3478
3479 // Adjust rect to specified column
3480 if ( subItem != wxLIST_GETSUBITEMRECT_WHOLEITEM )
3481 {
3482 wxCHECK_MSG( subItem >= 0 && subItem < GetColumnCount(), false,
3483 wxT("invalid subItem in GetSubItemRect") );
3484
3485 for (int i = 0; i < subItem; i++)
3486 {
3487 rect.x += GetColumnWidth(i);
3488 }
3489 rect.width = GetColumnWidth(subItem);
3490 }
3491
3492 GetListCtrl()->CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y);
3493
3494 return true;
3495 }
3496
3497 bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos) const
3498 {
3499 wxRect rect;
3500 GetItemRect(item, rect);
3501
3502 pos.x = rect.x;
3503 pos.y = rect.y;
3504
3505 return true;
3506 }
3507
3508 // ----------------------------------------------------------------------------
3509 // geometry calculation
3510 // ----------------------------------------------------------------------------
3511
3512 void wxListMainWindow::RecalculatePositions(bool noRefresh)
3513 {
3514 const int lineHeight = GetLineHeight();
3515
3516 wxClientDC dc( this );
3517 dc.SetFont( GetFont() );
3518
3519 const size_t count = GetItemCount();
3520
3521 int iconSpacing;
3522 if ( HasFlag(wxLC_ICON) && m_normal_image_list )
3523 iconSpacing = m_normal_spacing;
3524 else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
3525 iconSpacing = m_small_spacing;
3526 else
3527 iconSpacing = 0;
3528
3529 // Note that we do not call GetClientSize() here but
3530 // GetSize() and subtract the border size for sunken
3531 // borders manually. This is technically incorrect,
3532 // but we need to know the client area's size WITHOUT
3533 // scrollbars here. Since we don't know if there are
3534 // any scrollbars, we use GetSize() instead. Another
3535 // solution would be to call SetScrollbars() here to
3536 // remove the scrollbars and call GetClientSize() then,
3537 // but this might result in flicker and - worse - will
3538 // reset the scrollbars to 0 which is not good at all
3539 // if you resize a dialog/window, but don't want to
3540 // reset the window scrolling. RR.
3541 // Furthermore, we actually do NOT subtract the border
3542 // width as 2 pixels is just the extra space which we
3543 // need around the actual content in the window. Other-
3544 // wise the text would e.g. touch the upper border. RR.
3545 int clientWidth,
3546 clientHeight;
3547 GetSize( &clientWidth, &clientHeight );
3548
3549 if ( InReportView() )
3550 {
3551 // all lines have the same height and we scroll one line per step
3552 int entireHeight = count * lineHeight + LINE_SPACING;
3553
3554 m_linesPerPage = clientHeight / lineHeight;
3555
3556 ResetVisibleLinesRange();
3557
3558 GetListCtrl()->SetScrollbars( SCROLL_UNIT_X, lineHeight,
3559 GetHeaderWidth() / SCROLL_UNIT_X,
3560 (entireHeight + lineHeight - 1) / lineHeight,
3561 GetListCtrl()->GetScrollPos(wxHORIZONTAL),
3562 GetListCtrl()->GetScrollPos(wxVERTICAL),
3563 true );
3564 }
3565 else // !report
3566 {
3567 // we have 3 different layout strategies: either layout all items
3568 // horizontally/vertically (wxLC_ALIGN_XXX styles explicitly given) or
3569 // to arrange them in top to bottom, left to right (don't ask me why
3570 // not the other way round...) order
3571 if ( HasFlag(wxLC_ALIGN_LEFT | wxLC_ALIGN_TOP) )
3572 {
3573 int x = EXTRA_BORDER_X;
3574 int y = EXTRA_BORDER_Y;
3575
3576 wxCoord widthMax = 0;
3577
3578 size_t i;
3579 for ( i = 0; i < count; i++ )
3580 {
3581 wxListLineData *line = GetLine(i);
3582 line->CalculateSize( &dc, iconSpacing );
3583 line->SetPosition( x, y, iconSpacing );
3584
3585 wxSize sizeLine = GetLineSize(i);
3586
3587 if ( HasFlag(wxLC_ALIGN_TOP) )
3588 {
3589 if ( sizeLine.x > widthMax )
3590 widthMax = sizeLine.x;
3591
3592 y += sizeLine.y;
3593 }
3594 else // wxLC_ALIGN_LEFT
3595 {
3596 x += sizeLine.x + MARGIN_BETWEEN_ROWS;
3597 }
3598 }
3599
3600 if ( HasFlag(wxLC_ALIGN_TOP) )
3601 {
3602 // traverse the items again and tweak their sizes so that they are
3603 // all the same in a row
3604 for ( i = 0; i < count; i++ )
3605 {
3606 wxListLineData *line = GetLine(i);
3607 line->m_gi->ExtendWidth(widthMax);
3608 }
3609 }
3610
3611 GetListCtrl()->SetScrollbars
3612 (
3613 SCROLL_UNIT_X,
3614 lineHeight,
3615 (x + SCROLL_UNIT_X) / SCROLL_UNIT_X,
3616 (y + lineHeight) / lineHeight,
3617 GetListCtrl()->GetScrollPos( wxHORIZONTAL ),
3618 GetListCtrl()->GetScrollPos( wxVERTICAL ),
3619 true
3620 );
3621 }
3622 else // "flowed" arrangement, the most complicated case
3623 {
3624 // at first we try without any scrollbars, if the items don't fit into
3625 // the window, we recalculate after subtracting the space taken by the
3626 // scrollbar
3627
3628 int entireWidth = 0;
3629
3630 for (int tries = 0; tries < 2; tries++)
3631 {
3632 entireWidth = 2 * EXTRA_BORDER_X;
3633
3634 if (tries == 1)
3635 {
3636 // Now we have decided that the items do not fit into the
3637 // client area, so we need a scrollbar
3638 entireWidth += SCROLL_UNIT_X;
3639 }
3640
3641 int x = EXTRA_BORDER_X;
3642 int y = EXTRA_BORDER_Y;
3643
3644 // Note that "row" here is vertical, i.e. what is called
3645 // "column" in many other places in wxWidgets.
3646 int maxWidthInThisRow = 0;
3647
3648 m_linesPerPage = 0;
3649 int currentlyVisibleLines = 0;
3650
3651 for (size_t i = 0; i < count; i++)
3652 {
3653 currentlyVisibleLines++;
3654 wxListLineData *line = GetLine( i );
3655 line->CalculateSize( &dc, iconSpacing );
3656 line->SetPosition( x, y, iconSpacing );
3657
3658 wxSize sizeLine = GetLineSize( i );
3659
3660 if ( maxWidthInThisRow < sizeLine.x )
3661 maxWidthInThisRow = sizeLine.x;
3662
3663 y += sizeLine.y;
3664 if (currentlyVisibleLines > m_linesPerPage)
3665 m_linesPerPage = currentlyVisibleLines;
3666
3667 // Have we reached the end of the row either because no
3668 // more items would fit or because there are simply no more
3669 // items?
3670 if ( y + sizeLine.y >= clientHeight
3671 || i == count - 1)
3672 {
3673 // Adjust all items in this row to have the same
3674 // width to ensure that they all align horizontally in
3675 // icon view.
3676 if ( HasFlag(wxLC_ICON) || HasFlag(wxLC_SMALL_ICON) )
3677 {
3678 size_t firstRowLine = i - currentlyVisibleLines + 1;
3679 for (size_t j = firstRowLine; j <= i; j++)
3680 {
3681 GetLine(j)->m_gi->ExtendWidth(maxWidthInThisRow);
3682 }
3683 }
3684
3685 currentlyVisibleLines = 0;
3686 y = EXTRA_BORDER_Y;
3687 maxWidthInThisRow += MARGIN_BETWEEN_ROWS;
3688 x += maxWidthInThisRow;
3689 entireWidth += maxWidthInThisRow;
3690 maxWidthInThisRow = 0;
3691 }
3692
3693 if ( (tries == 0) &&
3694 (entireWidth + SCROLL_UNIT_X > clientWidth) )
3695 {
3696 clientHeight -= wxSystemSettings::
3697 GetMetric(wxSYS_HSCROLL_Y);
3698 m_linesPerPage = 0;
3699 break;
3700 }
3701
3702 if ( i == count - 1 )
3703 tries = 1; // Everything fits, no second try required.
3704 }
3705 }
3706
3707 GetListCtrl()->SetScrollbars
3708 (
3709 SCROLL_UNIT_X,
3710 lineHeight,
3711 (entireWidth + SCROLL_UNIT_X) / SCROLL_UNIT_X,
3712 0,
3713 GetListCtrl()->GetScrollPos( wxHORIZONTAL ),
3714 0,
3715 true
3716 );
3717 }
3718 }
3719
3720 if ( !noRefresh )
3721 {
3722 // FIXME: why should we call it from here?
3723 UpdateCurrent();
3724
3725 RefreshAll();
3726 }
3727 }
3728
3729 void wxListMainWindow::RefreshAll()
3730 {
3731 m_dirty = false;
3732 Refresh();
3733
3734 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3735 if ( headerWin && headerWin->m_dirty )
3736 {
3737 headerWin->m_dirty = false;
3738 headerWin->Refresh();
3739 }
3740 }
3741
3742 void wxListMainWindow::UpdateCurrent()
3743 {
3744 if ( !HasCurrent() && !IsEmpty() )
3745 ChangeCurrent(0);
3746 }
3747
3748 long wxListMainWindow::GetNextItem( long item,
3749 int WXUNUSED(geometry),
3750 int state ) const
3751 {
3752 long ret = item,
3753 max = GetItemCount();
3754 wxCHECK_MSG( (ret == -1) || (ret < max), -1,
3755 wxT("invalid listctrl index in GetNextItem()") );
3756
3757 // notice that we start with the next item (or the first one if item == -1)
3758 // and this is intentional to allow writing a simple loop to iterate over
3759 // all selected items
3760 ret++;
3761 if ( ret == max )
3762 // this is not an error because the index was OK initially,
3763 // just no such item
3764 return -1;
3765
3766 if ( !state )
3767 // any will do
3768 return (size_t)ret;
3769
3770 size_t count = GetItemCount();
3771 for ( size_t line = (size_t)ret; line < count; line++ )
3772 {
3773 if ( (state & wxLIST_STATE_FOCUSED) && (line == m_current) )
3774 return line;
3775
3776 if ( (state & wxLIST_STATE_SELECTED) && IsHighlighted(line) )
3777 return line;
3778 }
3779
3780 return -1;
3781 }
3782
3783 // ----------------------------------------------------------------------------
3784 // deleting stuff
3785 // ----------------------------------------------------------------------------
3786
3787 void wxListMainWindow::DeleteItem( long lindex )
3788 {
3789 size_t count = GetItemCount();
3790
3791 wxCHECK_RET( (lindex >= 0) && ((size_t)lindex < count),
3792 wxT("invalid item index in DeleteItem") );
3793
3794 size_t index = (size_t)lindex;
3795
3796 // we don't need to adjust the index for the previous items
3797 if ( HasCurrent() && m_current >= index )
3798 {
3799 // if the current item is being deleted, we want the next one to
3800 // become selected - unless there is no next one - so don't adjust
3801 // m_current in this case
3802 if ( m_current != index || m_current == count - 1 )
3803 m_current--;
3804 }
3805
3806 if ( InReportView() )
3807 {
3808 // mark the Column Max Width cache as dirty if the items in the line
3809 // we're deleting contain the Max Column Width
3810 wxListLineData * const line = GetLine(index);
3811 wxListItemDataList::compatibility_iterator n;
3812 wxListItemData *itemData;
3813 wxListItem item;
3814 int itemWidth;
3815
3816 for (size_t i = 0; i < m_columns.GetCount(); i++)
3817 {
3818 n = line->m_items.Item( i );
3819 itemData = n->GetData();
3820 itemData->GetItem(item);
3821
3822 itemWidth = GetItemWidthWithImage(&item);
3823
3824 if (itemWidth >= m_aColWidths.Item(i)->nMaxWidth)
3825 m_aColWidths.Item(i)->bNeedsUpdate = true;
3826 }
3827
3828 ResetVisibleLinesRange();
3829 }
3830
3831 SendNotify( index, wxEVT_COMMAND_LIST_DELETE_ITEM, wxDefaultPosition );
3832
3833 if ( IsVirtual() )
3834 {
3835 m_countVirt--;
3836 m_selStore.OnItemDelete(index);
3837 }
3838 else
3839 {
3840 m_lines.RemoveAt( index );
3841 }
3842
3843 // we need to refresh the (vert) scrollbar as the number of items changed
3844 m_dirty = true;
3845
3846 RefreshAfter(index);
3847 }
3848
3849 void wxListMainWindow::DeleteColumn( int col )
3850 {
3851 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3852
3853 wxCHECK_RET( node, wxT("invalid column index in DeleteColumn()") );
3854
3855 m_dirty = true;
3856 delete node->GetData();
3857 m_columns.Erase( node );
3858
3859 if ( !IsVirtual() )
3860 {
3861 // update all the items
3862 for ( size_t i = 0; i < m_lines.GetCount(); i++ )
3863 {
3864 wxListLineData * const line = GetLine(i);
3865
3866 // In the following atypical but possible scenario it can be
3867 // legal to call DeleteColumn() but the items may not have any
3868 // values for it:
3869 // 1. In report view, insert a second column.
3870 // 2. Still in report view, add an item with 2 values.
3871 // 3. Switch to an icon (or list) view.
3872 // 4. Add an item -- necessarily with 1 value only.
3873 // 5. Switch back to report view.
3874 // 6. Call DeleteColumn().
3875 // So we need to check for this as otherwise we would simply crash
3876 // if this happens.
3877 if ( line->m_items.GetCount() <= static_cast<unsigned>(col) )
3878 continue;
3879
3880 wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
3881 delete n->GetData();
3882 line->m_items.Erase(n);
3883 }
3884 }
3885
3886 if ( InReportView() ) // we only cache max widths when in Report View
3887 {
3888 delete m_aColWidths.Item(col);
3889 m_aColWidths.RemoveAt(col);
3890 }
3891
3892 // invalidate it as it has to be recalculated
3893 m_headerWidth = 0;
3894 }
3895
3896 void wxListMainWindow::DoDeleteAllItems()
3897 {
3898 if ( IsEmpty() )
3899 // nothing to do - in particular, don't send the event
3900 return;
3901
3902 ResetCurrent();
3903
3904 // to make the deletion of all items faster, we don't send the
3905 // notifications for each item deletion in this case but only one event
3906 // for all of them: this is compatible with wxMSW and documented in
3907 // DeleteAllItems() description
3908
3909 wxListEvent event( wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS, GetParent()->GetId() );
3910 event.SetEventObject( GetParent() );
3911 GetParent()->GetEventHandler()->ProcessEvent( event );
3912
3913 if ( IsVirtual() )
3914 {
3915 m_countVirt = 0;
3916 m_selStore.Clear();
3917 }
3918
3919 if ( InReportView() )
3920 {
3921 ResetVisibleLinesRange();
3922 for (size_t i = 0; i < m_aColWidths.GetCount(); i++)
3923 {
3924 m_aColWidths.Item(i)->bNeedsUpdate = true;
3925 }
3926 }
3927
3928 m_lines.Clear();
3929 }
3930
3931 void wxListMainWindow::DeleteAllItems()
3932 {
3933 DoDeleteAllItems();
3934
3935 RecalculatePositions();
3936 }
3937
3938 void wxListMainWindow::DeleteEverything()
3939 {
3940 WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
3941 WX_CLEAR_ARRAY(m_aColWidths);
3942
3943 DeleteAllItems();
3944 }
3945
3946 // ----------------------------------------------------------------------------
3947 // scanning for an item
3948 // ----------------------------------------------------------------------------
3949
3950 void wxListMainWindow::EnsureVisible( long index )
3951 {
3952 wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(),
3953 wxT("invalid index in EnsureVisible") );
3954
3955 // We have to call this here because the label in question might just have
3956 // been added and its position is not known yet
3957 if ( m_dirty )
3958 RecalculatePositions(true /* no refresh */);
3959
3960 MoveToItem((size_t)index);
3961 }
3962
3963 long wxListMainWindow::FindItem(long start, const wxString& str, bool partial )
3964 {
3965 if (str.empty())
3966 return wxNOT_FOUND;
3967
3968 long pos = start;
3969 wxString str_upper = str.Upper();
3970 if (pos < 0)
3971 pos = 0;
3972
3973 size_t count = GetItemCount();
3974 for ( size_t i = (size_t)pos; i < count; i++ )
3975 {
3976 wxListLineData *line = GetLine(i);
3977 wxString line_upper = line->GetText(0).Upper();
3978 if (!partial)
3979 {
3980 if (line_upper == str_upper )
3981 return i;
3982 }
3983 else
3984 {
3985 if (line_upper.find(str_upper) == 0)
3986 return i;
3987 }
3988 }
3989
3990 return wxNOT_FOUND;
3991 }
3992
3993 long wxListMainWindow::FindItem(long start, wxUIntPtr data)
3994 {
3995 long pos = start;
3996 if (pos < 0)
3997 pos = 0;
3998
3999 size_t count = GetItemCount();
4000 for (size_t i = (size_t)pos; i < count; i++)
4001 {
4002 wxListLineData *line = GetLine(i);
4003 wxListItem item;
4004 line->GetItem( 0, item );
4005 if (item.m_data == data)
4006 return i;
4007 }
4008
4009 return wxNOT_FOUND;
4010 }
4011
4012 long wxListMainWindow::FindItem( const wxPoint& pt )
4013 {
4014 size_t topItem;
4015 GetVisibleLinesRange( &topItem, NULL );
4016
4017 wxPoint p;
4018 GetItemPosition( GetItemCount() - 1, p );
4019 if ( p.y == 0 )
4020 return topItem;
4021
4022 long id = (long)floor( pt.y * double(GetItemCount() - topItem - 1) / p.y + topItem );
4023 if ( id >= 0 && id < (long)GetItemCount() )
4024 return id;
4025
4026 return wxNOT_FOUND;
4027 }
4028
4029 long wxListMainWindow::HitTest( int x, int y, int &flags ) const
4030 {
4031 GetListCtrl()->CalcUnscrolledPosition( x, y, &x, &y );
4032
4033 size_t count = GetItemCount();
4034
4035 if ( InReportView() )
4036 {
4037 size_t current = y / GetLineHeight();
4038 if ( current < count )
4039 {
4040 flags = HitTestLine(current, x, y);
4041 if ( flags )
4042 return current;
4043 }
4044 }
4045 else // !report
4046 {
4047 // TODO: optimize it too! this is less simple than for report view but
4048 // enumerating all items is still not a way to do it!!
4049 for ( size_t current = 0; current < count; current++ )
4050 {
4051 flags = HitTestLine(current, x, y);
4052 if ( flags )
4053 return current;
4054 }
4055 }
4056
4057 return wxNOT_FOUND;
4058 }
4059
4060 // ----------------------------------------------------------------------------
4061 // adding stuff
4062 // ----------------------------------------------------------------------------
4063
4064 void wxListMainWindow::InsertItem( wxListItem &item )
4065 {
4066 wxASSERT_MSG( !IsVirtual(), wxT("can't be used with virtual control") );
4067
4068 int count = GetItemCount();
4069 wxCHECK_RET( item.m_itemId >= 0, wxT("invalid item index") );
4070
4071 if (item.m_itemId > count)
4072 item.m_itemId = count;
4073
4074 size_t id = item.m_itemId;
4075
4076 m_dirty = true;
4077
4078 if ( InReportView() )
4079 {
4080 ResetVisibleLinesRange();
4081
4082 const unsigned col = item.GetColumn();
4083 wxCHECK_RET( col < m_aColWidths.size(), "invalid item column" );
4084
4085 // calculate the width of the item and adjust the max column width
4086 wxColWidthInfo *pWidthInfo = m_aColWidths.Item(col);
4087 int width = GetItemWidthWithImage(&item);
4088 item.SetWidth(width);
4089 if (width > pWidthInfo->nMaxWidth)
4090 pWidthInfo->nMaxWidth = width;
4091 }
4092
4093 wxListLineData *line = new wxListLineData(this);
4094
4095 line->SetItem( item.m_col, item );
4096 if ( item.m_mask & wxLIST_MASK_IMAGE )
4097 {
4098 // Reset the buffered height if it's not big enough for the new image.
4099 int image = item.GetImage();
4100 if ( m_small_image_list && image != -1 && InReportView() )
4101 {
4102 int imageWidth, imageHeight;
4103 m_small_image_list->GetSize(image, imageWidth, imageHeight);
4104
4105 if ( imageHeight > m_lineHeight )
4106 m_lineHeight = 0;
4107 }
4108 }
4109
4110 m_lines.Insert( line, id );
4111
4112 m_dirty = true;
4113
4114 // If an item is selected at or below the point of insertion, we need to
4115 // increment the member variables because the current row's index has gone
4116 // up by one
4117 if ( HasCurrent() && m_current >= id )
4118 m_current++;
4119
4120 SendNotify(id, wxEVT_COMMAND_LIST_INSERT_ITEM);
4121
4122 RefreshLines(id, GetItemCount() - 1);
4123 }
4124
4125 void wxListMainWindow::InsertColumn( long col, const wxListItem &item )
4126 {
4127 m_dirty = true;
4128 if ( InReportView() )
4129 {
4130 wxListHeaderData *column = new wxListHeaderData( item );
4131 if (item.m_width == wxLIST_AUTOSIZE_USEHEADER)
4132 column->SetWidth(ComputeMinHeaderWidth(column));
4133
4134 wxColWidthInfo *colWidthInfo = new wxColWidthInfo();
4135
4136 bool insert = (col >= 0) && ((size_t)col < m_columns.GetCount());
4137 if ( insert )
4138 {
4139 wxListHeaderDataList::compatibility_iterator
4140 node = m_columns.Item( col );
4141 m_columns.Insert( node, column );
4142 m_aColWidths.Insert( colWidthInfo, col );
4143 }
4144 else
4145 {
4146 m_columns.Append( column );
4147 m_aColWidths.Add( colWidthInfo );
4148 }
4149
4150 if ( !IsVirtual() )
4151 {
4152 // update all the items
4153 for ( size_t i = 0; i < m_lines.GetCount(); i++ )
4154 {
4155 wxListLineData * const line = GetLine(i);
4156 wxListItemData * const data = new wxListItemData(this);
4157 if ( insert )
4158 line->m_items.Insert(col, data);
4159 else
4160 line->m_items.Append(data);
4161 }
4162 }
4163
4164 // invalidate it as it has to be recalculated
4165 m_headerWidth = 0;
4166 }
4167 }
4168
4169 int wxListMainWindow::GetItemWidthWithImage(wxListItem * item)
4170 {
4171 int width = 0;
4172 wxClientDC dc(this);
4173
4174 dc.SetFont( GetFont() );
4175
4176 if (item->GetImage() != -1)
4177 {
4178 int ix, iy;
4179 GetImageSize( item->GetImage(), ix, iy );
4180 width += ix + 5;
4181 }
4182
4183 if (!item->GetText().empty())
4184 {
4185 wxCoord w;
4186 dc.GetTextExtent( item->GetText(), &w, NULL );
4187 width += w;
4188 }
4189
4190 return width;
4191 }
4192
4193 // ----------------------------------------------------------------------------
4194 // sorting
4195 // ----------------------------------------------------------------------------
4196
4197 static wxListCtrlCompare list_ctrl_compare_func_2;
4198 static wxIntPtr list_ctrl_compare_data;
4199
4200 int LINKAGEMODE list_ctrl_compare_func_1( wxListLineData **arg1, wxListLineData **arg2 )
4201 {
4202 wxListLineData *line1 = *arg1;
4203 wxListLineData *line2 = *arg2;
4204 wxListItem item;
4205 line1->GetItem( 0, item );
4206 wxUIntPtr data1 = item.m_data;
4207 line2->GetItem( 0, item );
4208 wxUIntPtr data2 = item.m_data;
4209 return list_ctrl_compare_func_2( data1, data2, list_ctrl_compare_data );
4210 }
4211
4212 void wxListMainWindow::SortItems( wxListCtrlCompare fn, wxIntPtr data )
4213 {
4214 // selections won't make sense any more after sorting the items so reset
4215 // them
4216 HighlightAll(false);
4217 ResetCurrent();
4218
4219 list_ctrl_compare_func_2 = fn;
4220 list_ctrl_compare_data = data;
4221 m_lines.Sort( list_ctrl_compare_func_1 );
4222 m_dirty = true;
4223 }
4224
4225 // ----------------------------------------------------------------------------
4226 // scrolling
4227 // ----------------------------------------------------------------------------
4228
4229 void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
4230 {
4231 // update our idea of which lines are shown when we redraw the window the
4232 // next time
4233 ResetVisibleLinesRange();
4234
4235 if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
4236 {
4237 wxGenericListCtrl* lc = GetListCtrl();
4238 wxCHECK_RET( lc, wxT("no listctrl window?") );
4239
4240 if (lc->m_headerWin) // when we use wxLC_NO_HEADER, m_headerWin==NULL
4241 {
4242 lc->m_headerWin->Refresh();
4243 lc->m_headerWin->Update();
4244 }
4245 }
4246 }
4247
4248 int wxListMainWindow::GetCountPerPage() const
4249 {
4250 if ( !m_linesPerPage )
4251 {
4252 wxConstCast(this, wxListMainWindow)->
4253 m_linesPerPage = GetClientSize().y / GetLineHeight();
4254 }
4255
4256 return m_linesPerPage;
4257 }
4258
4259 void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to)
4260 {
4261 wxASSERT_MSG( InReportView(), wxT("this is for report mode only") );
4262
4263 if ( m_lineFrom == (size_t)-1 )
4264 {
4265 size_t count = GetItemCount();
4266 if ( count )
4267 {
4268 m_lineFrom = GetListCtrl()->GetScrollPos(wxVERTICAL);
4269
4270 // this may happen if SetScrollbars() hadn't been called yet
4271 if ( m_lineFrom >= count )
4272 m_lineFrom = count - 1;
4273
4274 // we redraw one extra line but this is needed to make the redrawing
4275 // logic work when there is a fractional number of lines on screen
4276 m_lineTo = m_lineFrom + m_linesPerPage;
4277 if ( m_lineTo >= count )
4278 m_lineTo = count - 1;
4279 }
4280 else // empty control
4281 {
4282 m_lineFrom = 0;
4283 m_lineTo = (size_t)-1;
4284 }
4285 }
4286
4287 wxASSERT_MSG( IsEmpty() ||
4288 (m_lineFrom <= m_lineTo && m_lineTo < GetItemCount()),
4289 wxT("GetVisibleLinesRange() returns incorrect result") );
4290
4291 if ( from )
4292 *from = m_lineFrom;
4293 if ( to )
4294 *to = m_lineTo;
4295 }
4296
4297 // -------------------------------------------------------------------------------------
4298 // wxGenericListCtrl
4299 // -------------------------------------------------------------------------------------
4300
4301 IMPLEMENT_DYNAMIC_CLASS(wxGenericListCtrl, wxControl)
4302
4303 BEGIN_EVENT_TABLE(wxGenericListCtrl,wxListCtrlBase)
4304 EVT_SIZE(wxGenericListCtrl::OnSize)
4305 EVT_SCROLLWIN(wxGenericListCtrl::OnScroll)
4306 END_EVENT_TABLE()
4307
4308 void wxGenericListCtrl::Init()
4309 {
4310 m_imageListNormal = NULL;
4311 m_imageListSmall = NULL;
4312 m_imageListState = NULL;
4313
4314 m_ownsImageListNormal =
4315 m_ownsImageListSmall =
4316 m_ownsImageListState = false;
4317
4318 m_mainWin = NULL;
4319 m_headerWin = NULL;
4320 }
4321
4322 wxGenericListCtrl::~wxGenericListCtrl()
4323 {
4324 if (m_ownsImageListNormal)
4325 delete m_imageListNormal;
4326 if (m_ownsImageListSmall)
4327 delete m_imageListSmall;
4328 if (m_ownsImageListState)
4329 delete m_imageListState;
4330 }
4331
4332 void wxGenericListCtrl::CreateOrDestroyHeaderWindowAsNeeded()
4333 {
4334 bool needs_header = HasHeader();
4335 bool has_header = (m_headerWin != NULL);
4336
4337 if (needs_header == has_header)
4338 return;
4339
4340 if (needs_header)
4341 {
4342 m_headerWin = new wxListHeaderWindow
4343 (
4344 this, wxID_ANY, m_mainWin,
4345 wxPoint(0,0),
4346 wxSize
4347 (
4348 GetClientSize().x,
4349 wxRendererNative::Get().GetHeaderButtonHeight(this)
4350 ),
4351 wxTAB_TRAVERSAL
4352 );
4353
4354 #if defined( __WXMAC__ )
4355 static wxFont font( wxOSX_SYSTEM_FONT_SMALL );
4356 m_headerWin->SetFont( font );
4357 #endif
4358
4359 GetSizer()->Prepend( m_headerWin, 0, wxGROW );
4360 }
4361 else
4362 {
4363 GetSizer()->Detach( m_headerWin );
4364
4365 wxDELETE(m_headerWin);
4366 }
4367 }
4368
4369 bool wxGenericListCtrl::Create(wxWindow *parent,
4370 wxWindowID id,
4371 const wxPoint &pos,
4372 const wxSize &size,
4373 long style,
4374 const wxValidator &validator,
4375 const wxString &name)
4376 {
4377 Init();
4378
4379 // just like in other ports, an assert will fail if the user doesn't give any type style:
4380 wxASSERT_MSG( (style & wxLC_MASK_TYPE),
4381 wxT("wxListCtrl style should have exactly one mode bit set") );
4382
4383 if ( !wxListCtrlBase::Create( parent, id, pos, size,
4384 style | wxVSCROLL | wxHSCROLL,
4385 validator, name ) )
4386 return false;
4387
4388 #ifdef __WXGTK__
4389 style &= ~wxBORDER_MASK;
4390 style |= wxBORDER_THEME;
4391 #endif
4392
4393 m_mainWin = new wxListMainWindow( this, wxID_ANY, wxPoint(0, 0), size, style );
4394
4395 SetTargetWindow( m_mainWin );
4396
4397 // We use the cursor keys for moving the selection, not scrolling, so call
4398 // this method to ensure wxScrollHelperEvtHandler doesn't catch all
4399 // keyboard events forwarded to us from wxListMainWindow.
4400 DisableKeyboardScrolling();
4401
4402 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
4403 sizer->Add( m_mainWin, 1, wxGROW );
4404 SetSizer( sizer );
4405
4406 CreateOrDestroyHeaderWindowAsNeeded();
4407
4408 SetInitialSize(size);
4409
4410 return true;
4411 }
4412
4413 wxBorder wxGenericListCtrl::GetDefaultBorder() const
4414 {
4415 return wxBORDER_THEME;
4416 }
4417
4418 #if defined(__WXMSW__) && !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
4419 WXLRESULT wxGenericListCtrl::MSWWindowProc(WXUINT nMsg,
4420 WXWPARAM wParam,
4421 WXLPARAM lParam)
4422 {
4423 WXLRESULT rc = wxListCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
4424
4425 // we need to process arrows ourselves for scrolling
4426 if ( nMsg == WM_GETDLGCODE )
4427 {
4428 rc |= DLGC_WANTARROWS;
4429 }
4430
4431 return rc;
4432 }
4433 #endif // __WXMSW__
4434
4435 wxSize wxGenericListCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
4436 {
4437 wxSize newsize = size;
4438 if (m_headerWin)
4439 newsize.y -= m_headerWin->GetSize().y;
4440
4441 return newsize;
4442 }
4443
4444 void wxGenericListCtrl::OnScroll(wxScrollWinEvent& event)
4445 {
4446 // update our idea of which lines are shown when we redraw
4447 // the window the next time
4448 m_mainWin->ResetVisibleLinesRange();
4449
4450 HandleOnScroll( event );
4451
4452 if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
4453 {
4454 m_headerWin->Refresh();
4455 m_headerWin->Update();
4456 }
4457 }
4458
4459 void wxGenericListCtrl::SetSingleStyle( long style, bool add )
4460 {
4461 wxASSERT_MSG( !(style & wxLC_VIRTUAL),
4462 wxT("wxLC_VIRTUAL can't be [un]set") );
4463
4464 long flag = GetWindowStyle();
4465
4466 if (add)
4467 {
4468 if (style & wxLC_MASK_TYPE)
4469 flag &= ~(wxLC_MASK_TYPE | wxLC_VIRTUAL);
4470 if (style & wxLC_MASK_ALIGN)
4471 flag &= ~wxLC_MASK_ALIGN;
4472 if (style & wxLC_MASK_SORT)
4473 flag &= ~wxLC_MASK_SORT;
4474 }
4475
4476 if (add)
4477 flag |= style;
4478 else
4479 flag &= ~style;
4480
4481 // some styles can be set without recreating everything (as happens in
4482 // SetWindowStyleFlag() which calls wxListMainWindow::DeleteEverything())
4483 if ( !(style & ~(wxLC_HRULES | wxLC_VRULES)) )
4484 {
4485 Refresh();
4486 wxWindow::SetWindowStyleFlag(flag);
4487 }
4488 else
4489 {
4490 SetWindowStyleFlag( flag );
4491 }
4492 }
4493
4494 void wxGenericListCtrl::SetWindowStyleFlag( long flag )
4495 {
4496 // we add wxHSCROLL and wxVSCROLL in ctor unconditionally and it never
4497 // makes sense to remove them as we'll always add scrollbars anyhow when
4498 // needed
4499 flag |= wxHSCROLL | wxVSCROLL;
4500
4501 const bool wasInReportView = HasFlag(wxLC_REPORT);
4502
4503 // update the window style first so that the header is created or destroyed
4504 // corresponding to the new style
4505 wxWindow::SetWindowStyleFlag( flag );
4506
4507 if (m_mainWin)
4508 {
4509 const bool inReportView = (flag & wxLC_REPORT) != 0;
4510 if ( inReportView != wasInReportView )
4511 {
4512 // we need to notify the main window about this change as it must
4513 // update its data structures
4514 m_mainWin->SetReportView(inReportView);
4515 }
4516
4517 // m_mainWin->DeleteEverything(); wxMSW doesn't do that
4518
4519 CreateOrDestroyHeaderWindowAsNeeded();
4520
4521 GetSizer()->Layout();
4522 }
4523 }
4524
4525 bool wxGenericListCtrl::GetColumn(int col, wxListItem &item) const
4526 {
4527 m_mainWin->GetColumn( col, item );
4528 return true;
4529 }
4530
4531 bool wxGenericListCtrl::SetColumn( int col, const wxListItem& item )
4532 {
4533 m_mainWin->SetColumn( col, item );
4534 return true;
4535 }
4536
4537 int wxGenericListCtrl::GetColumnWidth( int col ) const
4538 {
4539 return m_mainWin->GetColumnWidth( col );
4540 }
4541
4542 bool wxGenericListCtrl::SetColumnWidth( int col, int width )
4543 {
4544 m_mainWin->SetColumnWidth( col, width );
4545 return true;
4546 }
4547
4548 int wxGenericListCtrl::GetCountPerPage() const
4549 {
4550 return m_mainWin->GetCountPerPage(); // different from Windows ?
4551 }
4552
4553 bool wxGenericListCtrl::GetItem( wxListItem &info ) const
4554 {
4555 m_mainWin->GetItem( info );
4556 return true;
4557 }
4558
4559 bool wxGenericListCtrl::SetItem( wxListItem &info )
4560 {
4561 m_mainWin->SetItem( info );
4562 return true;
4563 }
4564
4565 long wxGenericListCtrl::SetItem( long index, int col, const wxString& label, int imageId )
4566 {
4567 wxListItem info;
4568 info.m_text = label;
4569 info.m_mask = wxLIST_MASK_TEXT;
4570 info.m_itemId = index;
4571 info.m_col = col;
4572 if ( imageId > -1 )
4573 {
4574 info.m_image = imageId;
4575 info.m_mask |= wxLIST_MASK_IMAGE;
4576 }
4577
4578 m_mainWin->SetItem(info);
4579 return true;
4580 }
4581
4582 int wxGenericListCtrl::GetItemState( long item, long stateMask ) const
4583 {
4584 return m_mainWin->GetItemState( item, stateMask );
4585 }
4586
4587 bool wxGenericListCtrl::SetItemState( long item, long state, long stateMask )
4588 {
4589 m_mainWin->SetItemState( item, state, stateMask );
4590 return true;
4591 }
4592
4593 bool
4594 wxGenericListCtrl::SetItemImage( long item, int image, int WXUNUSED(selImage) )
4595 {
4596 return SetItemColumnImage(item, 0, image);
4597 }
4598
4599 bool
4600 wxGenericListCtrl::SetItemColumnImage( long item, long column, int image )
4601 {
4602 wxListItem info;
4603 info.m_image = image;
4604 info.m_mask = wxLIST_MASK_IMAGE;
4605 info.m_itemId = item;
4606 info.m_col = column;
4607 m_mainWin->SetItem( info );
4608 return true;
4609 }
4610
4611 wxString wxGenericListCtrl::GetItemText( long item, int col ) const
4612 {
4613 return m_mainWin->GetItemText(item, col);
4614 }
4615
4616 void wxGenericListCtrl::SetItemText( long item, const wxString& str )
4617 {
4618 m_mainWin->SetItemText(item, str);
4619 }
4620
4621 wxUIntPtr wxGenericListCtrl::GetItemData( long item ) const
4622 {
4623 wxListItem info;
4624 info.m_mask = wxLIST_MASK_DATA;
4625 info.m_itemId = item;
4626 m_mainWin->GetItem( info );
4627 return info.m_data;
4628 }
4629
4630 bool wxGenericListCtrl::SetItemPtrData( long item, wxUIntPtr data )
4631 {
4632 wxListItem info;
4633 info.m_mask = wxLIST_MASK_DATA;
4634 info.m_itemId = item;
4635 info.m_data = data;
4636 m_mainWin->SetItem( info );
4637 return true;
4638 }
4639
4640 wxRect wxGenericListCtrl::GetViewRect() const
4641 {
4642 return m_mainWin->GetViewRect();
4643 }
4644
4645 bool wxGenericListCtrl::GetItemRect(long item, wxRect& rect, int code) const
4646 {
4647 return GetSubItemRect(item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code);
4648 }
4649
4650 bool wxGenericListCtrl::GetSubItemRect(long item,
4651 long subItem,
4652 wxRect& rect,
4653 int WXUNUSED(code)) const
4654 {
4655 if ( !m_mainWin->GetSubItemRect( item, subItem, rect ) )
4656 return false;
4657
4658 if ( m_mainWin->HasHeader() )
4659 rect.y += m_headerWin->GetSize().y + 1;
4660
4661 return true;
4662 }
4663
4664 bool wxGenericListCtrl::GetItemPosition( long item, wxPoint& pos ) const
4665 {
4666 m_mainWin->GetItemPosition( item, pos );
4667 return true;
4668 }
4669
4670 bool wxGenericListCtrl::SetItemPosition( long WXUNUSED(item), const wxPoint& WXUNUSED(pos) )
4671 {
4672 return false;
4673 }
4674
4675 int wxGenericListCtrl::GetItemCount() const
4676 {
4677 return m_mainWin->GetItemCount();
4678 }
4679
4680 int wxGenericListCtrl::GetColumnCount() const
4681 {
4682 return m_mainWin->GetColumnCount();
4683 }
4684
4685 void wxGenericListCtrl::SetItemSpacing( int spacing, bool isSmall )
4686 {
4687 m_mainWin->SetItemSpacing( spacing, isSmall );
4688 }
4689
4690 wxSize wxGenericListCtrl::GetItemSpacing() const
4691 {
4692 const int spacing = m_mainWin->GetItemSpacing(HasFlag(wxLC_SMALL_ICON));
4693
4694 return wxSize(spacing, spacing);
4695 }
4696
4697 #if WXWIN_COMPATIBILITY_2_6
4698 int wxGenericListCtrl::GetItemSpacing( bool isSmall ) const
4699 {
4700 return m_mainWin->GetItemSpacing( isSmall );
4701 }
4702 #endif // WXWIN_COMPATIBILITY_2_6
4703
4704 void wxGenericListCtrl::SetItemTextColour( long item, const wxColour &col )
4705 {
4706 wxListItem info;
4707 info.m_itemId = item;
4708 info.SetTextColour( col );
4709 m_mainWin->SetItem( info );
4710 }
4711
4712 wxColour wxGenericListCtrl::GetItemTextColour( long item ) const
4713 {
4714 wxListItem info;
4715 info.m_itemId = item;
4716 m_mainWin->GetItem( info );
4717 return info.GetTextColour();
4718 }
4719
4720 void wxGenericListCtrl::SetItemBackgroundColour( long item, const wxColour &col )
4721 {
4722 wxListItem info;
4723 info.m_itemId = item;
4724 info.SetBackgroundColour( col );
4725 m_mainWin->SetItem( info );
4726 }
4727
4728 wxColour wxGenericListCtrl::GetItemBackgroundColour( long item ) const
4729 {
4730 wxListItem info;
4731 info.m_itemId = item;
4732 m_mainWin->GetItem( info );
4733 return info.GetBackgroundColour();
4734 }
4735
4736 void wxGenericListCtrl::SetItemFont( long item, const wxFont &f )
4737 {
4738 wxListItem info;
4739 info.m_itemId = item;
4740 info.SetFont( f );
4741 m_mainWin->SetItem( info );
4742 }
4743
4744 wxFont wxGenericListCtrl::GetItemFont( long item ) const
4745 {
4746 wxListItem info;
4747 info.m_itemId = item;
4748 m_mainWin->GetItem( info );
4749 return info.GetFont();
4750 }
4751
4752 int wxGenericListCtrl::GetSelectedItemCount() const
4753 {
4754 return m_mainWin->GetSelectedItemCount();
4755 }
4756
4757 wxColour wxGenericListCtrl::GetTextColour() const
4758 {
4759 return GetForegroundColour();
4760 }
4761
4762 void wxGenericListCtrl::SetTextColour(const wxColour& col)
4763 {
4764 SetForegroundColour(col);
4765 }
4766
4767 long wxGenericListCtrl::GetTopItem() const
4768 {
4769 size_t top;
4770 m_mainWin->GetVisibleLinesRange(&top, NULL);
4771 return (long)top;
4772 }
4773
4774 long wxGenericListCtrl::GetNextItem( long item, int geom, int state ) const
4775 {
4776 return m_mainWin->GetNextItem( item, geom, state );
4777 }
4778
4779 wxImageList *wxGenericListCtrl::GetImageList(int which) const
4780 {
4781 if (which == wxIMAGE_LIST_NORMAL)
4782 return m_imageListNormal;
4783 else if (which == wxIMAGE_LIST_SMALL)
4784 return m_imageListSmall;
4785 else if (which == wxIMAGE_LIST_STATE)
4786 return m_imageListState;
4787
4788 return NULL;
4789 }
4790
4791 void wxGenericListCtrl::SetImageList( wxImageList *imageList, int which )
4792 {
4793 if ( which == wxIMAGE_LIST_NORMAL )
4794 {
4795 if (m_ownsImageListNormal)
4796 delete m_imageListNormal;
4797 m_imageListNormal = imageList;
4798 m_ownsImageListNormal = false;
4799 }
4800 else if ( which == wxIMAGE_LIST_SMALL )
4801 {
4802 if (m_ownsImageListSmall)
4803 delete m_imageListSmall;
4804 m_imageListSmall = imageList;
4805 m_ownsImageListSmall = false;
4806 }
4807 else if ( which == wxIMAGE_LIST_STATE )
4808 {
4809 if (m_ownsImageListState)
4810 delete m_imageListState;
4811 m_imageListState = imageList;
4812 m_ownsImageListState = false;
4813 }
4814
4815 m_mainWin->SetImageList( imageList, which );
4816 }
4817
4818 void wxGenericListCtrl::AssignImageList(wxImageList *imageList, int which)
4819 {
4820 SetImageList(imageList, which);
4821 if ( which == wxIMAGE_LIST_NORMAL )
4822 m_ownsImageListNormal = true;
4823 else if ( which == wxIMAGE_LIST_SMALL )
4824 m_ownsImageListSmall = true;
4825 else if ( which == wxIMAGE_LIST_STATE )
4826 m_ownsImageListState = true;
4827 }
4828
4829 bool wxGenericListCtrl::Arrange( int WXUNUSED(flag) )
4830 {
4831 return 0;
4832 }
4833
4834 bool wxGenericListCtrl::DeleteItem( long item )
4835 {
4836 m_mainWin->DeleteItem( item );
4837 return true;
4838 }
4839
4840 bool wxGenericListCtrl::DeleteAllItems()
4841 {
4842 m_mainWin->DeleteAllItems();
4843 return true;
4844 }
4845
4846 bool wxGenericListCtrl::DeleteAllColumns()
4847 {
4848 size_t count = m_mainWin->m_columns.GetCount();
4849 for ( size_t n = 0; n < count; n++ )
4850 DeleteColumn( 0 );
4851 return true;
4852 }
4853
4854 void wxGenericListCtrl::ClearAll()
4855 {
4856 m_mainWin->DeleteEverything();
4857 }
4858
4859 bool wxGenericListCtrl::DeleteColumn( int col )
4860 {
4861 m_mainWin->DeleteColumn( col );
4862
4863 // if we don't have the header any longer, we need to relayout the window
4864 // if ( !GetColumnCount() )
4865
4866
4867 // Ensure that the non-existent columns are really removed from display.
4868 Refresh();
4869
4870 return true;
4871 }
4872
4873 wxTextCtrl *wxGenericListCtrl::EditLabel(long item,
4874 wxClassInfo* textControlClass)
4875 {
4876 return m_mainWin->EditLabel( item, textControlClass );
4877 }
4878
4879 wxTextCtrl *wxGenericListCtrl::GetEditControl() const
4880 {
4881 return m_mainWin->GetEditControl();
4882 }
4883
4884 bool wxGenericListCtrl::EnsureVisible( long item )
4885 {
4886 m_mainWin->EnsureVisible( item );
4887 return true;
4888 }
4889
4890 long wxGenericListCtrl::FindItem( long start, const wxString& str, bool partial )
4891 {
4892 return m_mainWin->FindItem( start, str, partial );
4893 }
4894
4895 long wxGenericListCtrl::FindItem( long start, wxUIntPtr data )
4896 {
4897 return m_mainWin->FindItem( start, data );
4898 }
4899
4900 long wxGenericListCtrl::FindItem( long WXUNUSED(start), const wxPoint& pt,
4901 int WXUNUSED(direction))
4902 {
4903 return m_mainWin->FindItem( pt );
4904 }
4905
4906 // TODO: sub item hit testing
4907 long wxGenericListCtrl::HitTest(const wxPoint& point, int& flags, long *) const
4908 {
4909 return m_mainWin->HitTest( (int)point.x, (int)point.y, flags );
4910 }
4911
4912 long wxGenericListCtrl::InsertItem( wxListItem& info )
4913 {
4914 m_mainWin->InsertItem( info );
4915 return info.m_itemId;
4916 }
4917
4918 long wxGenericListCtrl::InsertItem( long index, const wxString &label )
4919 {
4920 wxListItem info;
4921 info.m_text = label;
4922 info.m_mask = wxLIST_MASK_TEXT;
4923 info.m_itemId = index;
4924 return InsertItem( info );
4925 }
4926
4927 long wxGenericListCtrl::InsertItem( long index, int imageIndex )
4928 {
4929 wxListItem info;
4930 info.m_mask = wxLIST_MASK_IMAGE;
4931 info.m_image = imageIndex;
4932 info.m_itemId = index;
4933 return InsertItem( info );
4934 }
4935
4936 long wxGenericListCtrl::InsertItem( long index, const wxString &label, int imageIndex )
4937 {
4938 wxListItem info;
4939 info.m_text = label;
4940 info.m_image = imageIndex;
4941 info.m_mask = wxLIST_MASK_TEXT;
4942 if (imageIndex > -1)
4943 info.m_mask |= wxLIST_MASK_IMAGE;
4944 info.m_itemId = index;
4945 return InsertItem( info );
4946 }
4947
4948 long wxGenericListCtrl::DoInsertColumn( long col, const wxListItem &item )
4949 {
4950 wxCHECK_MSG( InReportView(), -1, wxT("can't add column in non report mode") );
4951
4952 m_mainWin->InsertColumn( col, item );
4953
4954 // NOTE: if wxLC_NO_HEADER was given, then we are in report view mode but
4955 // still have m_headerWin==NULL
4956 if (m_headerWin)
4957 m_headerWin->Refresh();
4958
4959 return 0;
4960 }
4961
4962 bool wxGenericListCtrl::ScrollList( int dx, int dy )
4963 {
4964 return m_mainWin->ScrollList(dx, dy);
4965 }
4966
4967 // Sort items.
4968 // fn is a function which takes 3 long arguments: item1, item2, data.
4969 // item1 is the long data associated with a first item (NOT the index).
4970 // item2 is the long data associated with a second item (NOT the index).
4971 // data is the same value as passed to SortItems.
4972 // The return value is a negative number if the first item should precede the second
4973 // item, a positive number of the second item should precede the first,
4974 // or zero if the two items are equivalent.
4975 // data is arbitrary data to be passed to the sort function.
4976
4977 bool wxGenericListCtrl::SortItems( wxListCtrlCompare fn, wxIntPtr data )
4978 {
4979 m_mainWin->SortItems( fn, data );
4980 return true;
4981 }
4982
4983 // ----------------------------------------------------------------------------
4984 // event handlers
4985 // ----------------------------------------------------------------------------
4986
4987 void wxGenericListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
4988 {
4989 if (!m_mainWin) return;
4990
4991 // We need to override OnSize so that our scrolled
4992 // window a) does call Layout() to use sizers for
4993 // positioning the controls but b) does not query
4994 // the sizer for their size and use that for setting
4995 // the scrollable area as set that ourselves by
4996 // calling SetScrollbar() further down.
4997
4998 Layout();
4999
5000 m_mainWin->RecalculatePositions();
5001
5002 AdjustScrollbars();
5003 }
5004
5005 void wxGenericListCtrl::OnInternalIdle()
5006 {
5007 wxWindow::OnInternalIdle();
5008
5009 if (m_mainWin->m_dirty)
5010 m_mainWin->RecalculatePositions();
5011 }
5012
5013 // ----------------------------------------------------------------------------
5014 // font/colours
5015 // ----------------------------------------------------------------------------
5016
5017 bool wxGenericListCtrl::SetBackgroundColour( const wxColour &colour )
5018 {
5019 if (m_mainWin)
5020 {
5021 m_mainWin->SetBackgroundColour( colour );
5022 m_mainWin->m_dirty = true;
5023 }
5024
5025 return true;
5026 }
5027
5028 bool wxGenericListCtrl::SetForegroundColour( const wxColour &colour )
5029 {
5030 if ( !wxWindow::SetForegroundColour( colour ) )
5031 return false;
5032
5033 if (m_mainWin)
5034 {
5035 m_mainWin->SetForegroundColour( colour );
5036 m_mainWin->m_dirty = true;
5037 }
5038
5039 if (m_headerWin)
5040 m_headerWin->SetForegroundColour( colour );
5041
5042 return true;
5043 }
5044
5045 bool wxGenericListCtrl::SetFont( const wxFont &font )
5046 {
5047 if ( !wxWindow::SetFont( font ) )
5048 return false;
5049
5050 if (m_mainWin)
5051 {
5052 m_mainWin->SetFont( font );
5053 m_mainWin->m_dirty = true;
5054 }
5055
5056 if (m_headerWin)
5057 {
5058 m_headerWin->SetFont( font );
5059 // CalculateAndSetHeaderHeight();
5060 }
5061
5062 Refresh();
5063
5064 return true;
5065 }
5066
5067 // static
5068 wxVisualAttributes
5069 wxGenericListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
5070 {
5071 #if _USE_VISATTR
5072 // Use the same color scheme as wxListBox
5073 return wxListBox::GetClassDefaultAttributes(variant);
5074 #else
5075 wxUnusedVar(variant);
5076 wxVisualAttributes attr;
5077 attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXTEXT);
5078 attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX);
5079 attr.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
5080 return attr;
5081 #endif
5082 }
5083
5084 // ----------------------------------------------------------------------------
5085 // methods forwarded to m_mainWin
5086 // ----------------------------------------------------------------------------
5087
5088 #if wxUSE_DRAG_AND_DROP
5089
5090 void wxGenericListCtrl::SetDropTarget( wxDropTarget *dropTarget )
5091 {
5092 m_mainWin->SetDropTarget( dropTarget );
5093 }
5094
5095 wxDropTarget *wxGenericListCtrl::GetDropTarget() const
5096 {
5097 return m_mainWin->GetDropTarget();
5098 }
5099
5100 #endif
5101
5102 bool wxGenericListCtrl::SetCursor( const wxCursor &cursor )
5103 {
5104 return m_mainWin ? m_mainWin->wxWindow::SetCursor(cursor) : false;
5105 }
5106
5107 wxColour wxGenericListCtrl::GetBackgroundColour() const
5108 {
5109 return m_mainWin ? m_mainWin->GetBackgroundColour() : wxColour();
5110 }
5111
5112 wxColour wxGenericListCtrl::GetForegroundColour() const
5113 {
5114 return m_mainWin ? m_mainWin->GetForegroundColour() : wxColour();
5115 }
5116
5117 bool wxGenericListCtrl::DoPopupMenu( wxMenu *menu, int x, int y )
5118 {
5119 #if wxUSE_MENUS
5120 return m_mainWin->PopupMenu( menu, x, y );
5121 #else
5122 return false;
5123 #endif
5124 }
5125
5126 void wxGenericListCtrl::DoClientToScreen( int *x, int *y ) const
5127 {
5128 // It's not clear whether this can be called before m_mainWin is created
5129 // but it seems better to be on the safe side and check.
5130 if ( m_mainWin )
5131 m_mainWin->DoClientToScreen(x, y);
5132 else
5133 wxListCtrlBase::DoClientToScreen(x, y);
5134 }
5135
5136 void wxGenericListCtrl::DoScreenToClient( int *x, int *y ) const
5137 {
5138 // At least in wxGTK/Univ build this method can be called before m_mainWin
5139 // is created so avoid crashes in this case.
5140 if ( m_mainWin )
5141 m_mainWin->DoScreenToClient(x, y);
5142 else
5143 wxListCtrlBase::DoScreenToClient(x, y);
5144 }
5145
5146 void wxGenericListCtrl::SetFocus()
5147 {
5148 // The test in window.cpp fails as we are a composite
5149 // window, so it checks against "this", but not m_mainWin.
5150 if ( DoFindFocus() != this )
5151 m_mainWin->SetFocus();
5152 }
5153
5154 wxSize wxGenericListCtrl::DoGetBestClientSize() const
5155 {
5156 // Something is better than nothing even if this is completely arbitrary.
5157 wxSize sizeBest(100, 80);
5158
5159 if ( !InReportView() )
5160 {
5161 // Ensure that our minimal width is at least big enough to show all our
5162 // items. This is important for wxListbook to size itself correctly.
5163
5164 // Remember the offset of the first item: this corresponds to the
5165 // margins around the item so we will add it to the minimal size below
5166 // to ensure that we have equal margins on all sides.
5167 wxPoint ofs;
5168
5169 // We can iterate over all items as there shouldn't be too many of them
5170 // in non-report view. If it ever becomes a problem, we could examine
5171 // just the first few items probably, the determination of the best
5172 // size is less important if we will need scrollbars anyhow.
5173 for ( int n = 0; n < GetItemCount(); n++ )
5174 {
5175 const wxRect itemRect = m_mainWin->GetLineRect(n);
5176 if ( !n )
5177 {
5178 // Remember the position of the first item as all the rest are
5179 // offset by at least this number of pixels too.
5180 ofs = itemRect.GetPosition();
5181 }
5182
5183 sizeBest.IncTo(itemRect.GetSize());
5184 }
5185
5186 sizeBest.IncBy(2*ofs);
5187
5188
5189 // If we have the scrollbars we need to account for them too. And to
5190 // make sure the scrollbars status is up to date we need to call this
5191 // function to set them.
5192 m_mainWin->RecalculatePositions(true /* no refresh */);
5193
5194 // Unfortunately we can't use wxWindow::HasScrollbar() here as we need
5195 // to use m_mainWin client/virtual size for determination of whether we
5196 // use scrollbars and not the size of this window itself. Maybe that
5197 // function should be extended to work correctly in the case when our
5198 // scrollbars manage a different window from this one but currently it
5199 // doesn't work.
5200 const wxSize sizeClient = m_mainWin->GetClientSize();
5201 const wxSize sizeVirt = m_mainWin->GetVirtualSize();
5202
5203 if ( sizeVirt.x > sizeClient.x /* HasScrollbar(wxHORIZONTAL) */ )
5204 sizeBest.y += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
5205
5206 if ( sizeVirt.y > sizeClient.y /* HasScrollbar(wxVERTICAL) */ )
5207 sizeBest.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
5208 }
5209
5210 return sizeBest;
5211 }
5212
5213 // ----------------------------------------------------------------------------
5214 // virtual list control support
5215 // ----------------------------------------------------------------------------
5216
5217 wxString wxGenericListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
5218 {
5219 // this is a pure virtual function, in fact - which is not really pure
5220 // because the controls which are not virtual don't need to implement it
5221 wxFAIL_MSG( wxT("wxGenericListCtrl::OnGetItemText not supposed to be called") );
5222
5223 return wxEmptyString;
5224 }
5225
5226 int wxGenericListCtrl::OnGetItemImage(long WXUNUSED(item)) const
5227 {
5228 wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL),
5229 -1,
5230 wxT("List control has an image list, OnGetItemImage or OnGetItemColumnImage should be overridden."));
5231 return -1;
5232 }
5233
5234 int wxGenericListCtrl::OnGetItemColumnImage(long item, long column) const
5235 {
5236 if (!column)
5237 return OnGetItemImage(item);
5238
5239 return -1;
5240 }
5241
5242 wxListItemAttr *
5243 wxGenericListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const
5244 {
5245 wxASSERT_MSG( item >= 0 && item < GetItemCount(),
5246 wxT("invalid item index in OnGetItemAttr()") );
5247
5248 // no attributes by default
5249 return NULL;
5250 }
5251
5252 void wxGenericListCtrl::SetItemCount(long count)
5253 {
5254 wxASSERT_MSG( IsVirtual(), wxT("this is for virtual controls only") );
5255
5256 m_mainWin->SetItemCount(count);
5257 }
5258
5259 void wxGenericListCtrl::RefreshItem(long item)
5260 {
5261 m_mainWin->RefreshLine(item);
5262 }
5263
5264 void wxGenericListCtrl::RefreshItems(long itemFrom, long itemTo)
5265 {
5266 m_mainWin->RefreshLines(itemFrom, itemTo);
5267 }
5268
5269 // Generic wxListCtrl is more or less a container for two other
5270 // windows which drawings are done upon. These are namely
5271 // 'm_headerWin' and 'm_mainWin'.
5272 // Here we override 'virtual wxWindow::Refresh()' to mimic the
5273 // behaviour wxListCtrl has under wxMSW.
5274 //
5275 void wxGenericListCtrl::Refresh(bool eraseBackground, const wxRect *rect)
5276 {
5277 if (!rect)
5278 {
5279 // The easy case, no rectangle specified.
5280 if (m_headerWin)
5281 m_headerWin->Refresh(eraseBackground);
5282
5283 if (m_mainWin)
5284 m_mainWin->Refresh(eraseBackground);
5285 }
5286 else
5287 {
5288 // Refresh the header window
5289 if (m_headerWin)
5290 {
5291 wxRect rectHeader = m_headerWin->GetRect();
5292 rectHeader.Intersect(*rect);
5293 if (rectHeader.GetWidth() && rectHeader.GetHeight())
5294 {
5295 int x, y;
5296 m_headerWin->GetPosition(&x, &y);
5297 rectHeader.Offset(-x, -y);
5298 m_headerWin->Refresh(eraseBackground, &rectHeader);
5299 }
5300 }
5301
5302 // Refresh the main window
5303 if (m_mainWin)
5304 {
5305 wxRect rectMain = m_mainWin->GetRect();
5306 rectMain.Intersect(*rect);
5307 if (rectMain.GetWidth() && rectMain.GetHeight())
5308 {
5309 int x, y;
5310 m_mainWin->GetPosition(&x, &y);
5311 rectMain.Offset(-x, -y);
5312 m_mainWin->Refresh(eraseBackground, &rectMain);
5313 }
5314 }
5315 }
5316 }
5317
5318 void wxGenericListCtrl::Update()
5319 {
5320 if ( m_mainWin )
5321 {
5322 if ( m_mainWin->m_dirty )
5323 m_mainWin->RecalculatePositions();
5324
5325 m_mainWin->Update();
5326 }
5327
5328 if ( m_headerWin )
5329 m_headerWin->Update();
5330 }
5331
5332 #endif // wxUSE_LISTCTRL