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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 long mask = item.m_mask;
346 if ( !mask )
347 {
348 // by default, get everything for backwards compatibility
349 mask = -1;
350 }
351
352 if ( mask & wxLIST_MASK_STATE )
353 item.m_state = m_state;
354 if ( mask & wxLIST_MASK_TEXT )
355 item.m_text = m_text;
356 if ( mask & wxLIST_MASK_IMAGE )
357 item.m_image = m_image;
358 if ( mask & wxLIST_MASK_WIDTH )
359 item.m_width = m_width;
360 if ( mask & wxLIST_MASK_FORMAT )
361 item.m_format = m_format;
362 }
363
364 int wxListHeaderData::GetImage() const
365 {
366 return m_image;
367 }
368
369 int wxListHeaderData::GetWidth() const
370 {
371 return m_width;
372 }
373
374 int wxListHeaderData::GetFormat() const
375 {
376 return m_format;
377 }
378
379 int wxListHeaderData::GetState() const
380 {
381 return m_state;
382 }
383
384 //-----------------------------------------------------------------------------
385 // wxListLineData
386 //-----------------------------------------------------------------------------
387
388 inline int wxListLineData::GetMode() const
389 {
390 return m_owner->GetListCtrl()->GetWindowStyleFlag() & wxLC_MASK_TYPE;
391 }
392
393 inline bool wxListLineData::InReportView() const
394 {
395 return m_owner->HasFlag(wxLC_REPORT);
396 }
397
398 inline bool wxListLineData::IsVirtual() const
399 {
400 return m_owner->IsVirtual();
401 }
402
403 wxListLineData::wxListLineData( wxListMainWindow *owner )
404 {
405 m_owner = owner;
406
407 if ( InReportView() )
408 m_gi = NULL;
409 else // !report
410 m_gi = new GeometryInfo;
411
412 m_highlighted = false;
413
414 InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 );
415 }
416
417 void wxListLineData::CalculateSize( wxDC *dc, int spacing )
418 {
419 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
420 wxCHECK_RET( node, wxT("no subitems at all??") );
421
422 wxListItemData *item = node->GetData();
423
424 wxString s;
425 wxCoord lw, lh;
426
427 switch ( GetMode() )
428 {
429 case wxLC_ICON:
430 case wxLC_SMALL_ICON:
431 m_gi->m_rectAll.width = spacing;
432
433 s = item->GetText();
434
435 if ( s.empty() )
436 {
437 lh =
438 m_gi->m_rectLabel.width =
439 m_gi->m_rectLabel.height = 0;
440 }
441 else // has label
442 {
443 dc->GetTextExtent( s, &lw, &lh );
444 lw += EXTRA_WIDTH;
445 lh += EXTRA_HEIGHT;
446
447 m_gi->m_rectAll.height = spacing + lh;
448 if (lw > spacing)
449 m_gi->m_rectAll.width = lw;
450
451 m_gi->m_rectLabel.width = lw;
452 m_gi->m_rectLabel.height = lh;
453 }
454
455 if (item->HasImage())
456 {
457 int w, h;
458 m_owner->GetImageSize( item->GetImage(), w, h );
459 m_gi->m_rectIcon.width = w + 8;
460 m_gi->m_rectIcon.height = h + 8;
461
462 if ( m_gi->m_rectIcon.width > m_gi->m_rectAll.width )
463 m_gi->m_rectAll.width = m_gi->m_rectIcon.width;
464 if ( m_gi->m_rectIcon.height + lh > m_gi->m_rectAll.height - 4 )
465 m_gi->m_rectAll.height = m_gi->m_rectIcon.height + lh + 4;
466 }
467
468 if ( item->HasText() )
469 {
470 m_gi->m_rectHighlight.width = m_gi->m_rectLabel.width;
471 m_gi->m_rectHighlight.height = m_gi->m_rectLabel.height;
472 }
473 else // no text, highlight the icon
474 {
475 m_gi->m_rectHighlight.width = m_gi->m_rectIcon.width;
476 m_gi->m_rectHighlight.height = m_gi->m_rectIcon.height;
477 }
478 break;
479
480 case wxLC_LIST:
481 s = item->GetTextForMeasuring();
482
483 dc->GetTextExtent( s, &lw, &lh );
484 lw += EXTRA_WIDTH;
485 lh += EXTRA_HEIGHT;
486
487 m_gi->m_rectLabel.width = lw;
488 m_gi->m_rectLabel.height = lh;
489
490 m_gi->m_rectAll.width = lw;
491 m_gi->m_rectAll.height = lh;
492
493 if (item->HasImage())
494 {
495 int w, h;
496 m_owner->GetImageSize( item->GetImage(), w, h );
497 m_gi->m_rectIcon.width = w;
498 m_gi->m_rectIcon.height = h;
499
500 m_gi->m_rectAll.width += 4 + w;
501 if (h > m_gi->m_rectAll.height)
502 m_gi->m_rectAll.height = h;
503 }
504
505 m_gi->m_rectHighlight.width = m_gi->m_rectAll.width;
506 m_gi->m_rectHighlight.height = m_gi->m_rectAll.height;
507 break;
508
509 case wxLC_REPORT:
510 wxFAIL_MSG( wxT("unexpected call to SetSize") );
511 break;
512
513 default:
514 wxFAIL_MSG( wxT("unknown mode") );
515 break;
516 }
517 }
518
519 void wxListLineData::SetPosition( int x, int y, int spacing )
520 {
521 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
522 wxCHECK_RET( node, wxT("no subitems at all??") );
523
524 wxListItemData *item = node->GetData();
525
526 switch ( GetMode() )
527 {
528 case wxLC_ICON:
529 case wxLC_SMALL_ICON:
530 m_gi->m_rectAll.x = x;
531 m_gi->m_rectAll.y = y;
532
533 if ( item->HasImage() )
534 {
535 m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 4 +
536 (m_gi->m_rectAll.width - m_gi->m_rectIcon.width) / 2;
537 m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 4;
538 }
539
540 if ( item->HasText() )
541 {
542 if (m_gi->m_rectAll.width > spacing)
543 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
544 else
545 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2) + (spacing / 2) - (m_gi->m_rectLabel.width / 2);
546 m_gi->m_rectLabel.y = m_gi->m_rectAll.y + m_gi->m_rectAll.height + 2 - m_gi->m_rectLabel.height;
547 m_gi->m_rectHighlight.x = m_gi->m_rectLabel.x - 2;
548 m_gi->m_rectHighlight.y = m_gi->m_rectLabel.y - 2;
549 }
550 else // no text, highlight the icon
551 {
552 m_gi->m_rectHighlight.x = m_gi->m_rectIcon.x - 4;
553 m_gi->m_rectHighlight.y = m_gi->m_rectIcon.y - 4;
554 }
555 break;
556
557 case wxLC_LIST:
558 m_gi->m_rectAll.x = x;
559 m_gi->m_rectAll.y = y;
560
561 m_gi->m_rectHighlight.x = m_gi->m_rectAll.x;
562 m_gi->m_rectHighlight.y = m_gi->m_rectAll.y;
563 m_gi->m_rectLabel.y = m_gi->m_rectAll.y + 2;
564
565 if (item->HasImage())
566 {
567 m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 2;
568 m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 2;
569 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 4 + (EXTRA_WIDTH/2) + m_gi->m_rectIcon.width;
570 }
571 else
572 {
573 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
574 }
575 break;
576
577 case wxLC_REPORT:
578 wxFAIL_MSG( wxT("unexpected call to SetPosition") );
579 break;
580
581 default:
582 wxFAIL_MSG( wxT("unknown mode") );
583 break;
584 }
585 }
586
587 void wxListLineData::InitItems( int num )
588 {
589 for (int i = 0; i < num; i++)
590 m_items.Append( new wxListItemData(m_owner) );
591 }
592
593 void wxListLineData::SetItem( int index, const wxListItem &info )
594 {
595 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
596 wxCHECK_RET( node, wxT("invalid column index in SetItem") );
597
598 wxListItemData *item = node->GetData();
599 item->SetItem( info );
600 }
601
602 void wxListLineData::GetItem( int index, wxListItem &info )
603 {
604 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
605 if (node)
606 {
607 wxListItemData *item = node->GetData();
608 item->GetItem( info );
609 }
610 }
611
612 wxString wxListLineData::GetText(int index) const
613 {
614 wxString s;
615
616 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
617 if (node)
618 {
619 wxListItemData *item = node->GetData();
620 s = item->GetText();
621 }
622
623 return s;
624 }
625
626 void wxListLineData::SetText( int index, const wxString& s )
627 {
628 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
629 if (node)
630 {
631 wxListItemData *item = node->GetData();
632 item->SetText( s );
633 }
634 }
635
636 void wxListLineData::SetImage( int index, int image )
637 {
638 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
639 wxCHECK_RET( node, wxT("invalid column index in SetImage()") );
640
641 wxListItemData *item = node->GetData();
642 item->SetImage(image);
643 }
644
645 int wxListLineData::GetImage( int index ) const
646 {
647 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
648 wxCHECK_MSG( node, -1, wxT("invalid column index in GetImage()") );
649
650 wxListItemData *item = node->GetData();
651 return item->GetImage();
652 }
653
654 wxListItemAttr *wxListLineData::GetAttr() const
655 {
656 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
657 wxCHECK_MSG( node, NULL, wxT("invalid column index in GetAttr()") );
658
659 wxListItemData *item = node->GetData();
660 return item->GetAttr();
661 }
662
663 void wxListLineData::SetAttr(wxListItemAttr *attr)
664 {
665 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
666 wxCHECK_RET( node, wxT("invalid column index in SetAttr()") );
667
668 wxListItemData *item = node->GetData();
669 item->SetAttr(attr);
670 }
671
672 void wxListLineData::ApplyAttributes(wxDC *dc,
673 const wxRect& rectHL,
674 bool highlighted,
675 bool current)
676 {
677 const wxListItemAttr * const attr = GetAttr();
678
679 wxWindow * const listctrl = m_owner->GetParent();
680
681 const bool hasFocus = listctrl->HasFocus()
682 #if defined(__WXMAC__) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
683 && IsControlActive( (ControlRef)listctrl->GetHandle() )
684 #endif
685 ;
686
687 // fg colour
688
689 // don't use foreground colour for drawing highlighted items - this might
690 // make them completely invisible (and there is no way to do bit
691 // arithmetics on wxColour, unfortunately)
692 wxColour colText;
693 if ( highlighted )
694 {
695 #ifdef __WXMAC__
696 if ( hasFocus )
697 colText = *wxWHITE;
698 else
699 colText = *wxBLACK;
700 #else
701 if ( hasFocus )
702 colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
703 else
704 colText = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT);
705 #endif
706 }
707 else if ( attr && attr->HasTextColour() )
708 colText = attr->GetTextColour();
709 else
710 colText = listctrl->GetForegroundColour();
711
712 dc->SetTextForeground(colText);
713
714 // font
715 wxFont font;
716 if ( attr && attr->HasFont() )
717 font = attr->GetFont();
718 else
719 font = listctrl->GetFont();
720
721 dc->SetFont(font);
722
723 // background
724 if ( highlighted )
725 {
726 // Use the renderer method to ensure that the selected items use the
727 // native look.
728 int flags = wxCONTROL_SELECTED;
729 if ( hasFocus )
730 flags |= wxCONTROL_FOCUSED;
731 if (current)
732 flags |= wxCONTROL_CURRENT;
733 wxRendererNative::Get().
734 DrawItemSelectionRect( m_owner, *dc, rectHL, flags );
735 }
736 else if ( attr && attr->HasBackgroundColour() )
737 {
738 // Draw the background using the items custom background colour.
739 dc->SetBrush(attr->GetBackgroundColour());
740 dc->SetPen(*wxTRANSPARENT_PEN);
741 dc->DrawRectangle(rectHL);
742 }
743
744 // just for debugging to better see where the items are
745 #if 0
746 dc->SetPen(*wxRED_PEN);
747 dc->SetBrush(*wxTRANSPARENT_BRUSH);
748 dc->DrawRectangle( m_gi->m_rectAll );
749 dc->SetPen(*wxGREEN_PEN);
750 dc->DrawRectangle( m_gi->m_rectIcon );
751 #endif
752 }
753
754 void wxListLineData::Draw(wxDC *dc, bool current)
755 {
756 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
757 wxCHECK_RET( node, wxT("no subitems at all??") );
758
759 ApplyAttributes(dc, m_gi->m_rectHighlight, IsHighlighted(), current);
760
761 wxListItemData *item = node->GetData();
762 if (item->HasImage())
763 {
764 // centre the image inside our rectangle, this looks nicer when items
765 // ae aligned in a row
766 const wxRect& rectIcon = m_gi->m_rectIcon;
767
768 m_owner->DrawImage(item->GetImage(), dc, rectIcon.x, rectIcon.y);
769 }
770
771 if (item->HasText())
772 {
773 const wxRect& rectLabel = m_gi->m_rectLabel;
774
775 wxDCClipper clipper(*dc, rectLabel);
776 dc->DrawText(item->GetText(), rectLabel.x, rectLabel.y);
777 }
778 }
779
780 void wxListLineData::DrawInReportMode( wxDC *dc,
781 const wxRect& rect,
782 const wxRect& rectHL,
783 bool highlighted,
784 bool current )
785 {
786 // TODO: later we should support setting different attributes for
787 // different columns - to do it, just add "col" argument to
788 // GetAttr() and move these lines into the loop below
789
790 ApplyAttributes(dc, rectHL, highlighted, current);
791
792 wxCoord x = rect.x + HEADER_OFFSET_X,
793 yMid = rect.y + rect.height/2;
794 #ifdef __WXGTK__
795 // This probably needs to be done
796 // on all platforms as the icons
797 // otherwise nearly touch the border
798 x += 2;
799 #endif
800
801 size_t col = 0;
802 for ( wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
803 node;
804 node = node->GetNext(), col++ )
805 {
806 wxListItemData *item = node->GetData();
807
808 int width = m_owner->GetColumnWidth(col);
809 int xOld = x;
810 x += width;
811
812 width -= 8;
813 const int wText = width;
814 wxDCClipper clipper(*dc, xOld, rect.y, wText, rect.height);
815
816 if ( item->HasImage() )
817 {
818 int ix, iy;
819 m_owner->GetImageSize( item->GetImage(), ix, iy );
820 m_owner->DrawImage( item->GetImage(), dc, xOld, yMid - iy/2 );
821
822 ix += IMAGE_MARGIN_IN_REPORT_MODE;
823
824 xOld += ix;
825 width -= ix;
826 }
827
828 if ( item->HasText() )
829 DrawTextFormatted(dc, item->GetText(), col, xOld, yMid, width);
830 }
831 }
832
833 void wxListLineData::DrawTextFormatted(wxDC *dc,
834 const wxString& textOrig,
835 int col,
836 int x,
837 int yMid,
838 int width)
839 {
840 // we don't support displaying multiple lines currently (and neither does
841 // wxMSW FWIW) so just merge all the lines
842 wxString text(textOrig);
843 text.Replace(wxT("\n"), wxT(" "));
844
845 wxCoord w, h;
846 dc->GetTextExtent(text, &w, &h);
847
848 const wxCoord y = yMid - (h + 1)/2;
849
850 wxDCClipper clipper(*dc, x, y, width, h);
851
852 // determine if the string can fit inside the current width
853 if (w <= width)
854 {
855 // it can, draw it using the items alignment
856 wxListItem item;
857 m_owner->GetColumn(col, item);
858 switch ( item.GetAlign() )
859 {
860 case wxLIST_FORMAT_LEFT:
861 // nothing to do
862 break;
863
864 case wxLIST_FORMAT_RIGHT:
865 x += width - w;
866 break;
867
868 case wxLIST_FORMAT_CENTER:
869 x += (width - w) / 2;
870 break;
871
872 default:
873 wxFAIL_MSG( wxT("unknown list item format") );
874 break;
875 }
876
877 dc->DrawText(text, x, y);
878 }
879 else // otherwise, truncate and add an ellipsis if possible
880 {
881 // determine the base width
882 wxString ellipsis(wxT("..."));
883 wxCoord base_w;
884 dc->GetTextExtent(ellipsis, &base_w, &h);
885
886 // continue until we have enough space or only one character left
887 wxCoord w_c, h_c;
888 size_t len = text.length();
889 wxString drawntext = text.Left(len);
890 while (len > 1)
891 {
892 dc->GetTextExtent(drawntext.Last(), &w_c, &h_c);
893 drawntext.RemoveLast();
894 len--;
895 w -= w_c;
896 if (w + base_w <= width)
897 break;
898 }
899
900 // if still not enough space, remove ellipsis characters
901 while (ellipsis.length() > 0 && w + base_w > width)
902 {
903 ellipsis = ellipsis.Left(ellipsis.length() - 1);
904 dc->GetTextExtent(ellipsis, &base_w, &h);
905 }
906
907 // now draw the text
908 dc->DrawText(drawntext, x, y);
909 dc->DrawText(ellipsis, x + w, y);
910 }
911 }
912
913 bool wxListLineData::Highlight( bool on )
914 {
915 wxCHECK_MSG( !IsVirtual(), false, wxT("unexpected call to Highlight") );
916
917 if ( on == m_highlighted )
918 return false;
919
920 m_highlighted = on;
921
922 return true;
923 }
924
925 void wxListLineData::ReverseHighlight( void )
926 {
927 Highlight(!IsHighlighted());
928 }
929
930 //-----------------------------------------------------------------------------
931 // wxListHeaderWindow
932 //-----------------------------------------------------------------------------
933
934 BEGIN_EVENT_TABLE(wxListHeaderWindow,wxWindow)
935 EVT_PAINT (wxListHeaderWindow::OnPaint)
936 EVT_MOUSE_EVENTS (wxListHeaderWindow::OnMouse)
937 END_EVENT_TABLE()
938
939 void wxListHeaderWindow::Init()
940 {
941 m_currentCursor = NULL;
942 m_isDragging = false;
943 m_dirty = false;
944 m_sendSetColumnWidth = false;
945 }
946
947 wxListHeaderWindow::wxListHeaderWindow()
948 {
949 Init();
950
951 m_owner = NULL;
952 m_resizeCursor = NULL;
953 }
954
955 bool wxListHeaderWindow::Create( wxWindow *win,
956 wxWindowID id,
957 wxListMainWindow *owner,
958 const wxPoint& pos,
959 const wxSize& size,
960 long style,
961 const wxString &name )
962 {
963 if ( !wxWindow::Create(win, id, pos, size, style, name) )
964 return false;
965
966 Init();
967
968 m_owner = owner;
969 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
970
971 #if _USE_VISATTR
972 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
973 SetOwnForegroundColour( attr.colFg );
974 SetOwnBackgroundColour( attr.colBg );
975 if (!m_hasFont)
976 SetOwnFont( attr.font );
977 #else
978 SetOwnForegroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
979 SetOwnBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
980 if (!m_hasFont)
981 SetOwnFont( wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT ));
982 #endif
983
984 return true;
985 }
986
987 wxListHeaderWindow::~wxListHeaderWindow()
988 {
989 delete m_resizeCursor;
990 }
991
992 #ifdef __WXUNIVERSAL__
993 #include "wx/univ/renderer.h"
994 #include "wx/univ/theme.h"
995 #endif
996
997 // shift the DC origin to match the position of the main window horz
998 // scrollbar: this allows us to always use logical coords
999 void wxListHeaderWindow::AdjustDC(wxDC& dc)
1000 {
1001 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1002
1003 int xpix;
1004 parent->GetScrollPixelsPerUnit( &xpix, NULL );
1005
1006 int view_start;
1007 parent->GetViewStart( &view_start, NULL );
1008
1009
1010 int org_x = 0;
1011 int org_y = 0;
1012 dc.GetDeviceOrigin( &org_x, &org_y );
1013
1014 // account for the horz scrollbar offset
1015 #ifdef __WXGTK__
1016 if (GetLayoutDirection() == wxLayout_RightToLeft)
1017 {
1018 // Maybe we just have to check for m_signX
1019 // in the DC, but I leave the #ifdef __WXGTK__
1020 // for now
1021 dc.SetDeviceOrigin( org_x + (view_start * xpix), org_y );
1022 }
1023 else
1024 #endif
1025 dc.SetDeviceOrigin( org_x - (view_start * xpix), org_y );
1026 }
1027
1028 void wxListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1029 {
1030 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1031
1032 wxPaintDC dc( this );
1033
1034 AdjustDC( dc );
1035
1036 dc.SetFont( GetFont() );
1037
1038 // width and height of the entire header window
1039 int w, h;
1040 GetClientSize( &w, &h );
1041 parent->CalcUnscrolledPosition(w, 0, &w, NULL);
1042
1043 dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
1044 dc.SetTextForeground(GetForegroundColour());
1045
1046 int x = HEADER_OFFSET_X;
1047 int numColumns = m_owner->GetColumnCount();
1048 wxListItem item;
1049 for ( int i = 0; i < numColumns && x < w; i++ )
1050 {
1051 m_owner->GetColumn( i, item );
1052 int wCol = item.m_width;
1053
1054 int cw = wCol;
1055 int ch = h;
1056
1057 int flags = 0;
1058 if (!m_parent->IsEnabled())
1059 flags |= wxCONTROL_DISABLED;
1060
1061 // NB: The code below is not really Mac-specific, but since we are close
1062 // to 2.8 release and I don't have time to test on other platforms, I
1063 // defined this only for wxMac. If this behaviour is desired on
1064 // other platforms, please go ahead and revise or remove the #ifdef.
1065 #ifdef __WXMAC__
1066 if ( !m_owner->IsVirtual() && (item.m_mask & wxLIST_MASK_STATE) &&
1067 (item.m_state & wxLIST_STATE_SELECTED) )
1068 flags |= wxCONTROL_SELECTED;
1069 #endif
1070
1071 if (i == 0)
1072 flags |= wxCONTROL_SPECIAL; // mark as first column
1073
1074 wxRendererNative::Get().DrawHeaderButton
1075 (
1076 this,
1077 dc,
1078 wxRect(x, HEADER_OFFSET_Y, cw, ch),
1079 flags
1080 );
1081
1082 // see if we have enough space for the column label
1083
1084 // for this we need the width of the text
1085 wxCoord wLabel;
1086 wxCoord hLabel;
1087 dc.GetTextExtent(item.GetText(), &wLabel, &hLabel);
1088 wLabel += 2 * EXTRA_WIDTH;
1089
1090 // and the width of the icon, if any
1091 int ix = 0, iy = 0; // init them just to suppress the compiler warnings
1092 const int image = item.m_image;
1093 wxImageList *imageList;
1094 if ( image != -1 )
1095 {
1096 imageList = m_owner->GetSmallImageList();
1097 if ( imageList )
1098 {
1099 imageList->GetSize(image, ix, iy);
1100 wLabel += ix + HEADER_IMAGE_MARGIN_IN_REPORT_MODE;
1101 }
1102 }
1103 else
1104 {
1105 imageList = NULL;
1106 }
1107
1108 // ignore alignment if there is not enough space anyhow
1109 int xAligned;
1110 switch ( wLabel < cw ? item.GetAlign() : wxLIST_FORMAT_LEFT )
1111 {
1112 default:
1113 wxFAIL_MSG( wxT("unknown list item format") );
1114 // fall through
1115
1116 case wxLIST_FORMAT_LEFT:
1117 xAligned = x;
1118 break;
1119
1120 case wxLIST_FORMAT_RIGHT:
1121 xAligned = x + cw - wLabel;
1122 break;
1123
1124 case wxLIST_FORMAT_CENTER:
1125 xAligned = x + (cw - wLabel) / 2;
1126 break;
1127 }
1128
1129 // draw the text and image clipping them so that they
1130 // don't overwrite the column boundary
1131 wxDCClipper clipper(dc, x, HEADER_OFFSET_Y, cw, h);
1132
1133 // if we have an image, draw it on the right of the label
1134 if ( imageList )
1135 {
1136 imageList->Draw
1137 (
1138 image,
1139 dc,
1140 xAligned + wLabel - ix - HEADER_IMAGE_MARGIN_IN_REPORT_MODE,
1141 HEADER_OFFSET_Y + (h - iy)/2,
1142 wxIMAGELIST_DRAW_TRANSPARENT
1143 );
1144 }
1145
1146 dc.DrawText( item.GetText(),
1147 xAligned + EXTRA_WIDTH, (h - hLabel) / 2 );
1148
1149 x += wCol;
1150 }
1151
1152 // Fill in what's missing to the right of the columns, otherwise we will
1153 // leave an unpainted area when columns are removed (and it looks better)
1154 if ( x < w )
1155 {
1156 wxRendererNative::Get().DrawHeaderButton
1157 (
1158 this,
1159 dc,
1160 wxRect(x, HEADER_OFFSET_Y, w - x, h),
1161 wxCONTROL_DIRTY // mark as last column
1162 );
1163 }
1164 }
1165
1166 void wxListHeaderWindow::OnInternalIdle()
1167 {
1168 wxWindow::OnInternalIdle();
1169
1170 if (m_sendSetColumnWidth)
1171 {
1172 m_owner->SetColumnWidth( m_colToSend, m_widthToSend );
1173 m_sendSetColumnWidth = false;
1174 }
1175 }
1176
1177 void wxListHeaderWindow::DrawCurrent()
1178 {
1179 #if 1
1180 // m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
1181 m_sendSetColumnWidth = true;
1182 m_colToSend = m_column;
1183 m_widthToSend = m_currentX - m_minX;
1184 #else
1185 int x1 = m_currentX;
1186 int y1 = 0;
1187 m_owner->ClientToScreen( &x1, &y1 );
1188
1189 int x2 = m_currentX;
1190 int y2 = 0;
1191 m_owner->GetClientSize( NULL, &y2 );
1192 m_owner->ClientToScreen( &x2, &y2 );
1193
1194 wxScreenDC dc;
1195 dc.SetLogicalFunction( wxINVERT );
1196 dc.SetPen( wxPen(*wxBLACK, 2) );
1197 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1198
1199 AdjustDC(dc);
1200
1201 dc.DrawLine( x1, y1, x2, y2 );
1202
1203 dc.SetLogicalFunction( wxCOPY );
1204
1205 dc.SetPen( wxNullPen );
1206 dc.SetBrush( wxNullBrush );
1207 #endif
1208 }
1209
1210 void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
1211 {
1212 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1213
1214 // we want to work with logical coords
1215 int x;
1216 parent->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1217 int y = event.GetY();
1218
1219 if (m_isDragging)
1220 {
1221 SendListEvent(wxEVT_LIST_COL_DRAGGING, event.GetPosition());
1222
1223 // we don't draw the line beyond our window, but we allow dragging it
1224 // there
1225 int w = 0;
1226 GetClientSize( &w, NULL );
1227 parent->CalcUnscrolledPosition(w, 0, &w, NULL);
1228 w -= 6;
1229
1230 // erase the line if it was drawn
1231 if ( m_currentX < w )
1232 DrawCurrent();
1233
1234 if (event.ButtonUp())
1235 {
1236 ReleaseMouse();
1237 m_isDragging = false;
1238 m_dirty = true;
1239 m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
1240 SendListEvent(wxEVT_LIST_COL_END_DRAG, event.GetPosition());
1241 }
1242 else
1243 {
1244 if (x > m_minX + 7)
1245 m_currentX = x;
1246 else
1247 m_currentX = m_minX + 7;
1248
1249 // draw in the new location
1250 if ( m_currentX < w )
1251 DrawCurrent();
1252 }
1253 }
1254 else // not dragging
1255 {
1256 m_minX = 0;
1257 bool hit_border = false;
1258
1259 // end of the current column
1260 int xpos = 0;
1261
1262 // find the column where this event occurred
1263 int col,
1264 countCol = m_owner->GetColumnCount();
1265 for (col = 0; col < countCol; col++)
1266 {
1267 xpos += m_owner->GetColumnWidth( col );
1268 m_column = col;
1269
1270 if ( (abs(x-xpos) < 3) && (y < 22) )
1271 {
1272 // near the column border
1273 hit_border = true;
1274 break;
1275 }
1276
1277 if ( x < xpos )
1278 {
1279 // inside the column
1280 break;
1281 }
1282
1283 m_minX = xpos;
1284 }
1285
1286 if ( col == countCol )
1287 m_column = -1;
1288
1289 if (event.LeftDown() || event.RightUp())
1290 {
1291 if (hit_border && event.LeftDown())
1292 {
1293 if ( SendListEvent(wxEVT_LIST_COL_BEGIN_DRAG,
1294 event.GetPosition()) )
1295 {
1296 m_isDragging = true;
1297 m_currentX = x;
1298 CaptureMouse();
1299 DrawCurrent();
1300 }
1301 //else: column resizing was vetoed by the user code
1302 }
1303 else // click on a column
1304 {
1305 // record the selected state of the columns
1306 if (event.LeftDown())
1307 {
1308 for (int i=0; i < m_owner->GetColumnCount(); i++)
1309 {
1310 wxListItem colItem;
1311 m_owner->GetColumn(i, colItem);
1312 long state = colItem.GetState();
1313 if (i == m_column)
1314 colItem.SetState(state | wxLIST_STATE_SELECTED);
1315 else
1316 colItem.SetState(state & ~wxLIST_STATE_SELECTED);
1317 m_owner->SetColumn(i, colItem);
1318 }
1319 }
1320
1321 SendListEvent( event.LeftDown()
1322 ? wxEVT_LIST_COL_CLICK
1323 : wxEVT_LIST_COL_RIGHT_CLICK,
1324 event.GetPosition());
1325 }
1326 }
1327 else if (event.Moving())
1328 {
1329 bool setCursor;
1330 if (hit_border)
1331 {
1332 setCursor = m_currentCursor == wxSTANDARD_CURSOR;
1333 m_currentCursor = m_resizeCursor;
1334 }
1335 else
1336 {
1337 setCursor = m_currentCursor != wxSTANDARD_CURSOR;
1338 m_currentCursor = wxSTANDARD_CURSOR;
1339 }
1340
1341 if ( setCursor )
1342 SetCursor(*m_currentCursor);
1343 }
1344 }
1345 }
1346
1347 bool wxListHeaderWindow::SendListEvent(wxEventType type, const wxPoint& pos)
1348 {
1349 wxWindow *parent = GetParent();
1350 wxListEvent le( type, parent->GetId() );
1351 le.SetEventObject( parent );
1352 le.m_pointDrag = pos;
1353
1354 // the position should be relative to the parent window, not
1355 // this one for compatibility with MSW and common sense: the
1356 // user code doesn't know anything at all about this header
1357 // window, so why should it get positions relative to it?
1358 le.m_pointDrag.y -= GetSize().y;
1359
1360 le.m_col = m_column;
1361 return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
1362 }
1363
1364 //-----------------------------------------------------------------------------
1365 // wxListRenameTimer (internal)
1366 //-----------------------------------------------------------------------------
1367
1368 wxListRenameTimer::wxListRenameTimer( wxListMainWindow *owner )
1369 {
1370 m_owner = owner;
1371 }
1372
1373 void wxListRenameTimer::Notify()
1374 {
1375 m_owner->OnRenameTimer();
1376 }
1377
1378 //-----------------------------------------------------------------------------
1379 // wxListFindTimer (internal)
1380 //-----------------------------------------------------------------------------
1381
1382 void wxListFindTimer::Notify()
1383 {
1384 m_owner->OnFindTimer();
1385 }
1386
1387 //-----------------------------------------------------------------------------
1388 // wxListTextCtrlWrapper (internal)
1389 //-----------------------------------------------------------------------------
1390
1391 BEGIN_EVENT_TABLE(wxListTextCtrlWrapper, wxEvtHandler)
1392 EVT_CHAR (wxListTextCtrlWrapper::OnChar)
1393 EVT_KEY_UP (wxListTextCtrlWrapper::OnKeyUp)
1394 EVT_KILL_FOCUS (wxListTextCtrlWrapper::OnKillFocus)
1395 END_EVENT_TABLE()
1396
1397 wxListTextCtrlWrapper::wxListTextCtrlWrapper(wxListMainWindow *owner,
1398 wxTextCtrl *text,
1399 size_t itemEdit)
1400 : m_startValue(owner->GetItemText(itemEdit)),
1401 m_itemEdited(itemEdit)
1402 {
1403 m_owner = owner;
1404 m_text = text;
1405 m_aboutToFinish = false;
1406
1407 wxGenericListCtrl *parent = m_owner->GetListCtrl();
1408
1409 wxRect rectLabel = owner->GetLineLabelRect(itemEdit);
1410
1411 parent->CalcScrolledPosition(rectLabel.x, rectLabel.y,
1412 &rectLabel.x, &rectLabel.y);
1413
1414 m_text->Create(owner, wxID_ANY, m_startValue,
1415 wxPoint(rectLabel.x-4,rectLabel.y-4),
1416 wxSize(rectLabel.width+11,rectLabel.height+8));
1417 m_text->SetFocus();
1418
1419 m_text->PushEventHandler(this);
1420 }
1421
1422 void wxListTextCtrlWrapper::EndEdit(EndReason reason)
1423 {
1424 m_aboutToFinish = true;
1425
1426 switch ( reason )
1427 {
1428 case End_Accept:
1429 // Notify the owner about the changes
1430 AcceptChanges();
1431
1432 // Even if vetoed, close the control (consistent with MSW)
1433 Finish( true );
1434 break;
1435
1436 case End_Discard:
1437 m_owner->OnRenameCancelled(m_itemEdited);
1438
1439 Finish( true );
1440 break;
1441
1442 case End_Destroy:
1443 // Don't generate any notifications for the control being destroyed
1444 // and don't set focus to it neither.
1445 Finish(false);
1446 break;
1447 }
1448 }
1449
1450 void wxListTextCtrlWrapper::Finish( bool setfocus )
1451 {
1452 m_text->RemoveEventHandler(this);
1453 m_owner->ResetTextControl( m_text );
1454
1455 wxPendingDelete.Append( this );
1456
1457 if (setfocus)
1458 m_owner->SetFocus();
1459 }
1460
1461 bool wxListTextCtrlWrapper::AcceptChanges()
1462 {
1463 const wxString value = m_text->GetValue();
1464
1465 // notice that we should always call OnRenameAccept() to generate the "end
1466 // label editing" event, even if the user hasn't really changed anything
1467 if ( !m_owner->OnRenameAccept(m_itemEdited, value) )
1468 {
1469 // vetoed by the user
1470 return false;
1471 }
1472
1473 // accepted, do rename the item (unless nothing changed)
1474 if ( value != m_startValue )
1475 m_owner->SetItemText(m_itemEdited, value);
1476
1477 return true;
1478 }
1479
1480 void wxListTextCtrlWrapper::OnChar( wxKeyEvent &event )
1481 {
1482 if ( !CheckForEndEditKey(event) )
1483 event.Skip();
1484 }
1485
1486 bool wxListTextCtrlWrapper::CheckForEndEditKey(const wxKeyEvent& event)
1487 {
1488 switch ( event.m_keyCode )
1489 {
1490 case WXK_RETURN:
1491 EndEdit( End_Accept );
1492 break;
1493
1494 case WXK_ESCAPE:
1495 EndEdit( End_Discard );
1496 break;
1497
1498 default:
1499 return false;
1500 }
1501
1502 return true;
1503 }
1504
1505 void wxListTextCtrlWrapper::OnKeyUp( wxKeyEvent &event )
1506 {
1507 if (m_aboutToFinish)
1508 {
1509 // auto-grow the textctrl:
1510 wxSize parentSize = m_owner->GetSize();
1511 wxPoint myPos = m_text->GetPosition();
1512 wxSize mySize = m_text->GetSize();
1513 int sx, sy;
1514 m_text->GetTextExtent(m_text->GetValue() + wxT("MM"), &sx, &sy);
1515 if (myPos.x + sx > parentSize.x)
1516 sx = parentSize.x - myPos.x;
1517 if (mySize.x > sx)
1518 sx = mySize.x;
1519 m_text->SetSize(sx, wxDefaultCoord);
1520 }
1521
1522 event.Skip();
1523 }
1524
1525 void wxListTextCtrlWrapper::OnKillFocus( wxFocusEvent &event )
1526 {
1527 if ( !m_aboutToFinish )
1528 {
1529 if ( !AcceptChanges() )
1530 m_owner->OnRenameCancelled( m_itemEdited );
1531
1532 Finish( false );
1533 }
1534
1535 // We must let the native text control handle focus
1536 event.Skip();
1537 }
1538
1539 //-----------------------------------------------------------------------------
1540 // wxListMainWindow
1541 //-----------------------------------------------------------------------------
1542
1543 BEGIN_EVENT_TABLE(wxListMainWindow, wxWindow)
1544 EVT_PAINT (wxListMainWindow::OnPaint)
1545 EVT_MOUSE_EVENTS (wxListMainWindow::OnMouse)
1546 EVT_CHAR_HOOK (wxListMainWindow::OnCharHook)
1547 EVT_CHAR (wxListMainWindow::OnChar)
1548 EVT_KEY_DOWN (wxListMainWindow::OnKeyDown)
1549 EVT_KEY_UP (wxListMainWindow::OnKeyUp)
1550 EVT_SET_FOCUS (wxListMainWindow::OnSetFocus)
1551 EVT_KILL_FOCUS (wxListMainWindow::OnKillFocus)
1552 EVT_SCROLLWIN (wxListMainWindow::OnScroll)
1553 EVT_CHILD_FOCUS (wxListMainWindow::OnChildFocus)
1554 END_EVENT_TABLE()
1555
1556 void wxListMainWindow::Init()
1557 {
1558 m_dirty = true;
1559 m_countVirt = 0;
1560 m_lineFrom =
1561 m_lineTo = (size_t)-1;
1562 m_linesPerPage = 0;
1563
1564 m_headerWidth =
1565 m_lineHeight = 0;
1566
1567 m_small_image_list = NULL;
1568 m_normal_image_list = NULL;
1569
1570 m_small_spacing = 30;
1571 m_normal_spacing = 40;
1572
1573 m_hasFocus = false;
1574 m_dragCount = 0;
1575 m_isCreated = false;
1576
1577 m_lastOnSame = false;
1578 m_renameTimer = new wxListRenameTimer( this );
1579 m_findTimer = NULL;
1580 m_findBell = 0; // default is to not ring bell at all
1581 m_textctrlWrapper = NULL;
1582
1583 m_current =
1584 m_lineLastClicked =
1585 m_lineSelectSingleOnUp =
1586 m_lineBeforeLastClicked = (size_t)-1;
1587 }
1588
1589 wxListMainWindow::wxListMainWindow()
1590 {
1591 Init();
1592
1593 m_highlightBrush =
1594 m_highlightUnfocusedBrush = NULL;
1595 }
1596
1597 wxListMainWindow::wxListMainWindow( wxWindow *parent,
1598 wxWindowID id,
1599 const wxPoint& pos,
1600 const wxSize& size )
1601 : wxWindow( parent, id, pos, size,
1602 wxWANTS_CHARS | wxBORDER_NONE )
1603 {
1604 Init();
1605
1606 m_highlightBrush = new wxBrush
1607 (
1608 wxSystemSettings::GetColour
1609 (
1610 wxSYS_COLOUR_HIGHLIGHT
1611 ),
1612 wxBRUSHSTYLE_SOLID
1613 );
1614
1615 m_highlightUnfocusedBrush = new wxBrush
1616 (
1617 wxSystemSettings::GetColour
1618 (
1619 wxSYS_COLOUR_BTNSHADOW
1620 ),
1621 wxBRUSHSTYLE_SOLID
1622 );
1623
1624 wxVisualAttributes attr = wxGenericListCtrl::GetClassDefaultAttributes();
1625 SetOwnForegroundColour( attr.colFg );
1626 SetOwnBackgroundColour( attr.colBg );
1627 if (!m_hasFont)
1628 SetOwnFont( attr.font );
1629 }
1630
1631 wxListMainWindow::~wxListMainWindow()
1632 {
1633 if ( m_textctrlWrapper )
1634 m_textctrlWrapper->EndEdit(wxListTextCtrlWrapper::End_Destroy);
1635
1636 DoDeleteAllItems();
1637 WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
1638 WX_CLEAR_ARRAY(m_aColWidths);
1639
1640 delete m_highlightBrush;
1641 delete m_highlightUnfocusedBrush;
1642 delete m_renameTimer;
1643 delete m_findTimer;
1644 }
1645
1646 void wxListMainWindow::SetReportView(bool inReportView)
1647 {
1648 const size_t count = m_lines.size();
1649 for ( size_t n = 0; n < count; n++ )
1650 {
1651 m_lines[n].SetReportView(inReportView);
1652 }
1653 }
1654
1655 void wxListMainWindow::CacheLineData(size_t line)
1656 {
1657 wxGenericListCtrl *listctrl = GetListCtrl();
1658
1659 wxListLineData *ld = GetDummyLine();
1660
1661 size_t countCol = GetColumnCount();
1662 for ( size_t col = 0; col < countCol; col++ )
1663 {
1664 ld->SetText(col, listctrl->OnGetItemText(line, col));
1665 ld->SetImage(col, listctrl->OnGetItemColumnImage(line, col));
1666 }
1667
1668 ld->SetAttr(listctrl->OnGetItemAttr(line));
1669 }
1670
1671 wxListLineData *wxListMainWindow::GetDummyLine() const
1672 {
1673 wxASSERT_MSG( !IsEmpty(), wxT("invalid line index") );
1674 wxASSERT_MSG( IsVirtual(), wxT("GetDummyLine() shouldn't be called") );
1675
1676 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
1677
1678 // we need to recreate the dummy line if the number of columns in the
1679 // control changed as it would have the incorrect number of fields
1680 // otherwise
1681 if ( !m_lines.IsEmpty() &&
1682 m_lines[0].m_items.GetCount() != (size_t)GetColumnCount() )
1683 {
1684 self->m_lines.Clear();
1685 }
1686
1687 if ( m_lines.IsEmpty() )
1688 {
1689 wxListLineData *line = new wxListLineData(self);
1690 self->m_lines.Add(line);
1691
1692 // don't waste extra memory -- there never going to be anything
1693 // else/more in this array
1694 self->m_lines.Shrink();
1695 }
1696
1697 return &m_lines[0];
1698 }
1699
1700 // ----------------------------------------------------------------------------
1701 // line geometry (report mode only)
1702 // ----------------------------------------------------------------------------
1703
1704 wxCoord wxListMainWindow::GetLineHeight() const
1705 {
1706 // we cache the line height as calling GetTextExtent() is slow
1707 if ( !m_lineHeight )
1708 {
1709 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
1710
1711 wxClientDC dc( self );
1712 dc.SetFont( GetFont() );
1713
1714 wxCoord y;
1715 dc.GetTextExtent(wxT("H"), NULL, &y);
1716
1717 if ( m_small_image_list && m_small_image_list->GetImageCount() )
1718 {
1719 int iw = 0, ih = 0;
1720 m_small_image_list->GetSize(0, iw, ih);
1721 y = wxMax(y, ih);
1722 }
1723
1724 y += EXTRA_HEIGHT;
1725 self->m_lineHeight = y + LINE_SPACING;
1726 }
1727
1728 return m_lineHeight;
1729 }
1730
1731 wxCoord wxListMainWindow::GetLineY(size_t line) const
1732 {
1733 wxASSERT_MSG( InReportView(), wxT("only works in report mode") );
1734
1735 return LINE_SPACING + line * GetLineHeight();
1736 }
1737
1738 wxRect wxListMainWindow::GetLineRect(size_t line) const
1739 {
1740 if ( !InReportView() )
1741 return GetLine(line)->m_gi->m_rectAll;
1742
1743 wxRect rect;
1744 rect.x = HEADER_OFFSET_X;
1745 rect.y = GetLineY(line);
1746 rect.width = GetHeaderWidth();
1747 rect.height = GetLineHeight();
1748
1749 return rect;
1750 }
1751
1752 wxRect wxListMainWindow::GetLineLabelRect(size_t line) const
1753 {
1754 if ( !InReportView() )
1755 return GetLine(line)->m_gi->m_rectLabel;
1756
1757 int image_x = 0;
1758 wxListLineData *data = GetLine(line);
1759 wxListItemDataList::compatibility_iterator node = data->m_items.GetFirst();
1760 if (node)
1761 {
1762 wxListItemData *item = node->GetData();
1763 if ( item->HasImage() )
1764 {
1765 int ix, iy;
1766 GetImageSize( item->GetImage(), ix, iy );
1767 image_x = 3 + ix + IMAGE_MARGIN_IN_REPORT_MODE;
1768 }
1769 }
1770
1771 wxRect rect;
1772 rect.x = image_x + HEADER_OFFSET_X;
1773 rect.y = GetLineY(line);
1774 rect.width = GetColumnWidth(0) - image_x;
1775 rect.height = GetLineHeight();
1776
1777 return rect;
1778 }
1779
1780 wxRect wxListMainWindow::GetLineIconRect(size_t line) const
1781 {
1782 if ( !InReportView() )
1783 return GetLine(line)->m_gi->m_rectIcon;
1784
1785 wxListLineData *ld = GetLine(line);
1786 wxASSERT_MSG( ld->HasImage(), wxT("should have an image") );
1787
1788 wxRect rect;
1789 rect.x = HEADER_OFFSET_X;
1790 rect.y = GetLineY(line);
1791 GetImageSize(ld->GetImage(), rect.width, rect.height);
1792
1793 return rect;
1794 }
1795
1796 wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const
1797 {
1798 return InReportView() ? GetLineRect(line)
1799 : GetLine(line)->m_gi->m_rectHighlight;
1800 }
1801
1802 long wxListMainWindow::HitTestLine(size_t line, int x, int y) const
1803 {
1804 wxASSERT_MSG( line < GetItemCount(), wxT("invalid line in HitTestLine") );
1805
1806 wxListLineData *ld = GetLine(line);
1807
1808 if ( ld->HasImage() && GetLineIconRect(line).Contains(x, y) )
1809 return wxLIST_HITTEST_ONITEMICON;
1810
1811 // VS: Testing for "ld->HasText() || InReportView()" instead of
1812 // "ld->HasText()" is needed to make empty lines in report view
1813 // possible
1814 if ( ld->HasText() || InReportView() )
1815 {
1816 wxRect rect = InReportView() ? GetLineRect(line)
1817 : GetLineLabelRect(line);
1818
1819 if ( rect.Contains(x, y) )
1820 return wxLIST_HITTEST_ONITEMLABEL;
1821 }
1822
1823 return 0;
1824 }
1825
1826 // ----------------------------------------------------------------------------
1827 // highlight (selection) handling
1828 // ----------------------------------------------------------------------------
1829
1830 bool wxListMainWindow::IsHighlighted(size_t line) const
1831 {
1832 if ( IsVirtual() )
1833 {
1834 return m_selStore.IsSelected(line);
1835 }
1836 else // !virtual
1837 {
1838 wxListLineData *ld = GetLine(line);
1839 wxCHECK_MSG( ld, false, wxT("invalid index in IsHighlighted") );
1840
1841 return ld->IsHighlighted();
1842 }
1843 }
1844
1845 void wxListMainWindow::HighlightLines( size_t lineFrom,
1846 size_t lineTo,
1847 bool highlight )
1848 {
1849 if ( IsVirtual() )
1850 {
1851 wxArrayInt linesChanged;
1852 if ( !m_selStore.SelectRange(lineFrom, lineTo, highlight,
1853 &linesChanged) )
1854 {
1855 // meny items changed state, refresh everything
1856 RefreshLines(lineFrom, lineTo);
1857 }
1858 else // only a few items changed state, refresh only them
1859 {
1860 size_t count = linesChanged.GetCount();
1861 for ( size_t n = 0; n < count; n++ )
1862 {
1863 RefreshLine(linesChanged[n]);
1864 }
1865 }
1866 }
1867 else // iterate over all items in non report view
1868 {
1869 for ( size_t line = lineFrom; line <= lineTo; line++ )
1870 {
1871 if ( HighlightLine(line, highlight) )
1872 RefreshLine(line);
1873 }
1874 }
1875 }
1876
1877 bool wxListMainWindow::HighlightLine( size_t line, bool highlight )
1878 {
1879 bool changed;
1880
1881 if ( IsVirtual() )
1882 {
1883 changed = m_selStore.SelectItem(line, highlight);
1884 }
1885 else // !virtual
1886 {
1887 wxListLineData *ld = GetLine(line);
1888 wxCHECK_MSG( ld, false, wxT("invalid index in HighlightLine") );
1889
1890 changed = ld->Highlight(highlight);
1891 }
1892
1893 if ( changed )
1894 {
1895 SendNotify( line, highlight ? wxEVT_LIST_ITEM_SELECTED
1896 : wxEVT_LIST_ITEM_DESELECTED );
1897 }
1898
1899 return changed;
1900 }
1901
1902 void wxListMainWindow::RefreshLine( size_t line )
1903 {
1904 if ( InReportView() )
1905 {
1906 size_t visibleFrom, visibleTo;
1907 GetVisibleLinesRange(&visibleFrom, &visibleTo);
1908
1909 if ( line < visibleFrom || line > visibleTo )
1910 return;
1911 }
1912
1913 wxRect rect = GetLineRect(line);
1914
1915 GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1916 RefreshRect( rect );
1917 }
1918
1919 void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo )
1920 {
1921 // we suppose that they are ordered by caller
1922 wxASSERT_MSG( lineFrom <= lineTo, wxT("indices in disorder") );
1923
1924 wxASSERT_MSG( lineTo < GetItemCount(), wxT("invalid line range") );
1925
1926 if ( InReportView() )
1927 {
1928 size_t visibleFrom, visibleTo;
1929 GetVisibleLinesRange(&visibleFrom, &visibleTo);
1930
1931 if ( lineFrom < visibleFrom )
1932 lineFrom = visibleFrom;
1933 if ( lineTo > visibleTo )
1934 lineTo = visibleTo;
1935
1936 wxRect rect;
1937 rect.x = 0;
1938 rect.y = GetLineY(lineFrom);
1939 rect.width = GetClientSize().x;
1940 rect.height = GetLineY(lineTo) - rect.y + GetLineHeight();
1941
1942 GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1943 RefreshRect( rect );
1944 }
1945 else // !report
1946 {
1947 // TODO: this should be optimized...
1948 for ( size_t line = lineFrom; line <= lineTo; line++ )
1949 {
1950 RefreshLine(line);
1951 }
1952 }
1953 }
1954
1955 void wxListMainWindow::RefreshAfter( size_t lineFrom )
1956 {
1957 if ( InReportView() )
1958 {
1959 size_t visibleFrom, visibleTo;
1960 GetVisibleLinesRange(&visibleFrom, &visibleTo);
1961
1962 if ( lineFrom < visibleFrom )
1963 lineFrom = visibleFrom;
1964 else if ( lineFrom > visibleTo )
1965 return;
1966
1967 wxRect rect;
1968 rect.x = 0;
1969 rect.y = GetLineY(lineFrom);
1970 GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1971
1972 wxSize size = GetClientSize();
1973 rect.width = size.x;
1974
1975 // refresh till the bottom of the window
1976 rect.height = size.y - rect.y;
1977
1978 RefreshRect( rect );
1979 }
1980 else // !report
1981 {
1982 // TODO: how to do it more efficiently?
1983 m_dirty = true;
1984 }
1985 }
1986
1987 void wxListMainWindow::RefreshSelected()
1988 {
1989 if ( IsEmpty() )
1990 return;
1991
1992 size_t from, to;
1993 if ( InReportView() )
1994 {
1995 GetVisibleLinesRange(&from, &to);
1996 }
1997 else // !virtual
1998 {
1999 from = 0;
2000 to = GetItemCount() - 1;
2001 }
2002
2003 if ( HasCurrent() && m_current >= from && m_current <= to )
2004 RefreshLine(m_current);
2005
2006 for ( size_t line = from; line <= to; line++ )
2007 {
2008 // NB: the test works as expected even if m_current == -1
2009 if ( line != m_current && IsHighlighted(line) )
2010 RefreshLine(line);
2011 }
2012 }
2013
2014 void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2015 {
2016 // Note: a wxPaintDC must be constructed even if no drawing is
2017 // done (a Windows requirement).
2018 wxPaintDC dc( this );
2019
2020 if ( IsEmpty() )
2021 {
2022 // nothing to draw or not the moment to draw it
2023 return;
2024 }
2025
2026 if ( m_dirty )
2027 RecalculatePositions( false );
2028
2029 GetListCtrl()->PrepareDC( dc );
2030
2031 int dev_x, dev_y;
2032 GetListCtrl()->CalcScrolledPosition( 0, 0, &dev_x, &dev_y );
2033
2034 dc.SetFont( GetFont() );
2035
2036 if ( InReportView() )
2037 {
2038 int lineHeight = GetLineHeight();
2039
2040 size_t visibleFrom, visibleTo;
2041 GetVisibleLinesRange(&visibleFrom, &visibleTo);
2042
2043 wxRect rectLine;
2044 int xOrig = dc.LogicalToDeviceX( 0 );
2045 int yOrig = dc.LogicalToDeviceY( 0 );
2046
2047 // tell the caller cache to cache the data
2048 if ( IsVirtual() )
2049 {
2050 wxListEvent evCache(wxEVT_LIST_CACHE_HINT,
2051 GetParent()->GetId());
2052 evCache.SetEventObject( GetParent() );
2053 evCache.m_oldItemIndex = visibleFrom;
2054 evCache.m_item.m_itemId =
2055 evCache.m_itemIndex = visibleTo;
2056 GetParent()->GetEventHandler()->ProcessEvent( evCache );
2057 }
2058
2059 for ( size_t line = visibleFrom; line <= visibleTo; line++ )
2060 {
2061 rectLine = GetLineRect(line);
2062
2063
2064 if ( !IsExposed(rectLine.x + xOrig, rectLine.y + yOrig,
2065 rectLine.width, rectLine.height) )
2066 {
2067 // don't redraw unaffected lines to avoid flicker
2068 continue;
2069 }
2070
2071 GetLine(line)->DrawInReportMode( &dc,
2072 rectLine,
2073 GetLineHighlightRect(line),
2074 IsHighlighted(line),
2075 line == m_current );
2076 }
2077
2078 if ( HasFlag(wxLC_HRULES) )
2079 {
2080 wxPen pen(GetRuleColour(), 1, wxPENSTYLE_SOLID);
2081 wxSize clientSize = GetClientSize();
2082
2083 size_t i = visibleFrom;
2084 if (i == 0) i = 1; // Don't draw the first one
2085 for ( ; i <= visibleTo; i++ )
2086 {
2087 dc.SetPen(pen);
2088 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2089 dc.DrawLine(0 - dev_x, i * lineHeight,
2090 clientSize.x - dev_x, i * lineHeight);
2091 }
2092
2093 // Draw last horizontal rule
2094 if ( visibleTo == GetItemCount() - 1 )
2095 {
2096 dc.SetPen( pen );
2097 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2098 dc.DrawLine(0 - dev_x, (m_lineTo + 1) * lineHeight,
2099 clientSize.x - dev_x , (m_lineTo + 1) * lineHeight );
2100 }
2101 }
2102
2103 // Draw vertical rules if required
2104 if ( HasFlag(wxLC_VRULES) && !IsEmpty() )
2105 {
2106 wxPen pen(GetRuleColour(), 1, wxPENSTYLE_SOLID);
2107 wxRect firstItemRect, lastItemRect;
2108
2109 GetItemRect(visibleFrom, firstItemRect);
2110 GetItemRect(visibleTo, lastItemRect);
2111 int x = firstItemRect.GetX();
2112 dc.SetPen(pen);
2113 dc.SetBrush(* wxTRANSPARENT_BRUSH);
2114
2115 for (int col = 0; col < GetColumnCount(); col++)
2116 {
2117 int colWidth = GetColumnWidth(col);
2118 x += colWidth;
2119 int x_pos = x - dev_x;
2120 if (col < GetColumnCount()-1) x_pos -= 2;
2121 dc.DrawLine(x_pos, firstItemRect.GetY() - 1 - dev_y,
2122 x_pos, lastItemRect.GetBottom() + 1 - dev_y);
2123 }
2124 }
2125 }
2126 else // !report
2127 {
2128 size_t count = GetItemCount();
2129 for ( size_t i = 0; i < count; i++ )
2130 {
2131 GetLine(i)->Draw( &dc, i == m_current );
2132 }
2133 }
2134
2135 // DrawFocusRect() is unusable under Mac, it draws outside of the highlight
2136 // rectangle somehow and so leaves traces when the item is not selected any
2137 // more, see #12229.
2138 #ifndef __WXMAC__
2139 if ( HasCurrent() )
2140 {
2141 int flags = 0;
2142 if ( IsHighlighted(m_current) )
2143 flags |= wxCONTROL_SELECTED;
2144
2145 wxRendererNative::Get().
2146 DrawFocusRect(this, dc, GetLineHighlightRect(m_current), flags);
2147 }
2148 #endif // !__WXMAC__
2149 }
2150
2151 void wxListMainWindow::HighlightAll( bool on )
2152 {
2153 if ( IsSingleSel() )
2154 {
2155 wxASSERT_MSG( !on, wxT("can't do this in a single selection control") );
2156
2157 // we just have one item to turn off
2158 if ( HasCurrent() && IsHighlighted(m_current) )
2159 {
2160 HighlightLine(m_current, false);
2161 RefreshLine(m_current);
2162 }
2163 }
2164 else // multi selection
2165 {
2166 if ( !IsEmpty() )
2167 HighlightLines(0, GetItemCount() - 1, on);
2168 }
2169 }
2170
2171 void wxListMainWindow::OnChildFocus(wxChildFocusEvent& WXUNUSED(event))
2172 {
2173 // Do nothing here. This prevents the default handler in wxScrolledWindow
2174 // from needlessly scrolling the window when the edit control is
2175 // dismissed. See ticket #9563.
2176 }
2177
2178 void wxListMainWindow::SendNotify( size_t line,
2179 wxEventType command,
2180 const wxPoint& point )
2181 {
2182 wxListEvent le( command, GetParent()->GetId() );
2183 le.SetEventObject( GetParent() );
2184
2185 le.m_item.m_itemId =
2186 le.m_itemIndex = line;
2187
2188 // set only for events which have position
2189 if ( point != wxDefaultPosition )
2190 le.m_pointDrag = point;
2191
2192 // don't try to get the line info for virtual list controls: the main
2193 // program has it anyhow and if we did it would result in accessing all
2194 // the lines, even those which are not visible now and this is precisely
2195 // what we're trying to avoid
2196 if ( !IsVirtual() )
2197 {
2198 if ( line != (size_t)-1 )
2199 {
2200 GetLine(line)->GetItem( 0, le.m_item );
2201 }
2202 //else: this happens for wxEVT_LIST_ITEM_FOCUSED event
2203 }
2204 //else: there may be no more such item
2205
2206 GetParent()->GetEventHandler()->ProcessEvent( le );
2207 }
2208
2209 void wxListMainWindow::ChangeCurrent(size_t current)
2210 {
2211 m_current = current;
2212
2213 // as the current item changed, we shouldn't start editing it when the
2214 // "slow click" timer expires as the click happened on another item
2215 if ( m_renameTimer->IsRunning() )
2216 m_renameTimer->Stop();
2217
2218 SendNotify(current, wxEVT_LIST_ITEM_FOCUSED);
2219 }
2220
2221 wxTextCtrl *wxListMainWindow::EditLabel(long item, wxClassInfo* textControlClass)
2222 {
2223 wxCHECK_MSG( (item >= 0) && ((size_t)item < GetItemCount()), NULL,
2224 wxT("wrong index in wxGenericListCtrl::EditLabel()") );
2225
2226 wxASSERT_MSG( textControlClass->IsKindOf(wxCLASSINFO(wxTextCtrl)),
2227 wxT("EditLabel() needs a text control") );
2228
2229 size_t itemEdit = (size_t)item;
2230
2231 wxListEvent le( wxEVT_LIST_BEGIN_LABEL_EDIT, GetParent()->GetId() );
2232 le.SetEventObject( GetParent() );
2233 le.m_item.m_itemId =
2234 le.m_itemIndex = item;
2235 wxListLineData *data = GetLine(itemEdit);
2236 wxCHECK_MSG( data, NULL, wxT("invalid index in EditLabel()") );
2237 data->GetItem( 0, le.m_item );
2238
2239 if ( GetParent()->GetEventHandler()->ProcessEvent( le ) && !le.IsAllowed() )
2240 {
2241 // vetoed by user code
2242 return NULL;
2243 }
2244
2245 if ( m_dirty )
2246 {
2247 // Ensure the display is updated before we start editing.
2248 Update();
2249 }
2250
2251 wxTextCtrl * const text = (wxTextCtrl *)textControlClass->CreateObject();
2252 m_textctrlWrapper = new wxListTextCtrlWrapper(this, text, item);
2253 return m_textctrlWrapper->GetText();
2254 }
2255
2256 void wxListMainWindow::OnRenameTimer()
2257 {
2258 wxCHECK_RET( HasCurrent(), wxT("unexpected rename timer") );
2259
2260 EditLabel( m_current );
2261 }
2262
2263 bool wxListMainWindow::OnRenameAccept(size_t itemEdit, const wxString& value)
2264 {
2265 wxListEvent le( wxEVT_LIST_END_LABEL_EDIT, GetParent()->GetId() );
2266 le.SetEventObject( GetParent() );
2267 le.m_item.m_itemId =
2268 le.m_itemIndex = itemEdit;
2269
2270 wxListLineData *data = GetLine(itemEdit);
2271
2272 wxCHECK_MSG( data, false, wxT("invalid index in OnRenameAccept()") );
2273
2274 data->GetItem( 0, le.m_item );
2275 le.m_item.m_text = value;
2276 return !GetParent()->GetEventHandler()->ProcessEvent( le ) ||
2277 le.IsAllowed();
2278 }
2279
2280 void wxListMainWindow::OnRenameCancelled(size_t itemEdit)
2281 {
2282 // let owner know that the edit was cancelled
2283 wxListEvent le( wxEVT_LIST_END_LABEL_EDIT, GetParent()->GetId() );
2284
2285 le.SetEditCanceled(true);
2286
2287 le.SetEventObject( GetParent() );
2288 le.m_item.m_itemId =
2289 le.m_itemIndex = itemEdit;
2290
2291 wxListLineData *data = GetLine(itemEdit);
2292 wxCHECK_RET( data, wxT("invalid index in OnRenameCancelled()") );
2293
2294 data->GetItem( 0, le.m_item );
2295 GetEventHandler()->ProcessEvent( le );
2296 }
2297
2298 void wxListMainWindow::OnFindTimer()
2299 {
2300 m_findPrefix.clear();
2301 if ( m_findBell )
2302 m_findBell = 1;
2303 }
2304
2305 void wxListMainWindow::EnableBellOnNoMatch( bool on )
2306 {
2307 m_findBell = on;
2308 }
2309
2310 void wxListMainWindow::OnMouse( wxMouseEvent &event )
2311 {
2312 #ifdef __WXMAC__
2313 // On wxMac we can't depend on the EVT_KILL_FOCUS event to properly
2314 // shutdown the edit control when the mouse is clicked elsewhere on the
2315 // listctrl because the order of events is different (or something like
2316 // that), so explicitly end the edit if it is active.
2317 if ( event.LeftDown() && m_textctrlWrapper )
2318 m_textctrlWrapper->EndEdit(wxListTextCtrlWrapper::End_Accept);
2319 #endif // __WXMAC__
2320
2321 if ( event.LeftDown() )
2322 {
2323 // Ensure we skip the event to let the system set focus to this window.
2324 event.Skip();
2325 }
2326
2327 // Pretend that the event happened in wxListCtrl itself.
2328 wxMouseEvent me(event);
2329 me.SetEventObject( GetParent() );
2330 me.SetId(GetParent()->GetId());
2331 if ( GetParent()->GetEventHandler()->ProcessEvent( me ))
2332 return;
2333
2334 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
2335 {
2336 // let the base class handle mouse wheel events.
2337 event.Skip();
2338 return;
2339 }
2340
2341 if ( !HasCurrent() || IsEmpty() )
2342 {
2343 if (event.RightDown())
2344 {
2345 SendNotify( (size_t)-1, wxEVT_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
2346
2347 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU,
2348 GetParent()->GetId(),
2349 ClientToScreen(event.GetPosition()));
2350 evtCtx.SetEventObject(GetParent());
2351 GetParent()->GetEventHandler()->ProcessEvent(evtCtx);
2352 }
2353 return;
2354 }
2355
2356 if (m_dirty)
2357 return;
2358
2359 if ( !(event.Dragging() || event.ButtonDown() || event.LeftUp() ||
2360 event.ButtonDClick()) )
2361 return;
2362
2363 int x = event.GetX();
2364 int y = event.GetY();
2365 GetListCtrl()->CalcUnscrolledPosition( x, y, &x, &y );
2366
2367 // where did we hit it (if we did)?
2368 long hitResult = 0;
2369
2370 size_t count = GetItemCount(),
2371 current;
2372
2373 if ( InReportView() )
2374 {
2375 current = y / GetLineHeight();
2376 if ( current < count )
2377 hitResult = HitTestLine(current, x, y);
2378 }
2379 else // !report
2380 {
2381 // TODO: optimize it too! this is less simple than for report view but
2382 // enumerating all items is still not a way to do it!!
2383 for ( current = 0; current < count; current++ )
2384 {
2385 hitResult = HitTestLine(current, x, y);
2386 if ( hitResult )
2387 break;
2388 }
2389 }
2390
2391 // Update drag events counter first as we must do it even if the mouse is
2392 // not on any item right now as we must keep count in case we started
2393 // dragging from the empty control area but continued to do it over a valid
2394 // item -- in this situation we must not start dragging this item.
2395 if (event.Dragging())
2396 m_dragCount++;
2397 else
2398 m_dragCount = 0;
2399
2400 // The only mouse event that can be generated without any valid item is
2401 // wxEVT_LIST_ITEM_RIGHT_CLICK as it can be useful to have a global
2402 // popup menu for the list control itself which should be shown even when
2403 // the user clicks outside of any item.
2404 if ( !hitResult )
2405 {
2406 // outside of any item
2407 if (event.RightDown())
2408 {
2409 SendNotify( (size_t) -1, wxEVT_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
2410
2411 wxContextMenuEvent evtCtx(
2412 wxEVT_CONTEXT_MENU,
2413 GetParent()->GetId(),
2414 ClientToScreen(event.GetPosition()));
2415 evtCtx.SetEventObject(GetParent());
2416 GetParent()->GetEventHandler()->ProcessEvent(evtCtx);
2417 }
2418 else
2419 {
2420 // reset the selection and bail out
2421 HighlightAll(false);
2422 }
2423
2424 return;
2425 }
2426
2427 if ( event.Dragging() )
2428 {
2429 if (m_dragCount == 1)
2430 {
2431 // we have to report the raw, physical coords as we want to be
2432 // able to call HitTest(event.m_pointDrag) from the user code to
2433 // get the item being dragged
2434 m_dragStart = event.GetPosition();
2435 }
2436
2437 if (m_dragCount != 3)
2438 return;
2439
2440 int command = event.RightIsDown() ? wxEVT_LIST_BEGIN_RDRAG
2441 : wxEVT_LIST_BEGIN_DRAG;
2442
2443 SendNotify( m_lineLastClicked, command, m_dragStart );
2444
2445 return;
2446 }
2447
2448 bool forceClick = false;
2449 if (event.ButtonDClick())
2450 {
2451 if ( m_renameTimer->IsRunning() )
2452 m_renameTimer->Stop();
2453
2454 m_lastOnSame = false;
2455
2456 if ( current == m_lineLastClicked )
2457 {
2458 SendNotify( current, wxEVT_LIST_ITEM_ACTIVATED );
2459
2460 return;
2461 }
2462 else
2463 {
2464 // The first click was on another item, so don't interpret this as
2465 // a double click, but as a simple click instead
2466 forceClick = true;
2467 }
2468 }
2469
2470 if (event.LeftUp())
2471 {
2472 if (m_lineSelectSingleOnUp != (size_t)-1)
2473 {
2474 // select single line
2475 HighlightAll( false );
2476 ReverseHighlight(m_lineSelectSingleOnUp);
2477 }
2478
2479 if (m_lastOnSame)
2480 {
2481 if ((current == m_current) &&
2482 (hitResult == wxLIST_HITTEST_ONITEMLABEL) &&
2483 HasFlag(wxLC_EDIT_LABELS) )
2484 {
2485 if ( !InReportView() ||
2486 GetLineLabelRect(current).Contains(x, y) )
2487 {
2488 int dclick = wxSystemSettings::GetMetric(wxSYS_DCLICK_MSEC);
2489 m_renameTimer->Start(dclick > 0 ? dclick : 250, true);
2490 }
2491 }
2492
2493 m_lastOnSame = false;
2494 }
2495
2496 m_lineSelectSingleOnUp = (size_t)-1;
2497 }
2498 else
2499 {
2500 // This is necessary, because after a DnD operation in
2501 // from and to ourself, the up event is swallowed by the
2502 // DnD code. So on next non-up event (which means here and
2503 // now) m_lineSelectSingleOnUp should be reset.
2504 m_lineSelectSingleOnUp = (size_t)-1;
2505 }
2506 if (event.RightDown())
2507 {
2508 m_lineBeforeLastClicked = m_lineLastClicked;
2509 m_lineLastClicked = current;
2510
2511 // If the item is already selected, do not update the selection.
2512 // Multi-selections should not be cleared if a selected item is clicked.
2513 if (!IsHighlighted(current))
2514 {
2515 HighlightAll(false);
2516 ChangeCurrent(current);
2517 ReverseHighlight(m_current);
2518 }
2519
2520 SendNotify( current, wxEVT_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
2521
2522 // Allow generation of context menu event
2523 event.Skip();
2524 }
2525 else if (event.MiddleDown())
2526 {
2527 SendNotify( current, wxEVT_LIST_ITEM_MIDDLE_CLICK );
2528 }
2529 else if ( event.LeftDown() || forceClick )
2530 {
2531 m_lineBeforeLastClicked = m_lineLastClicked;
2532 m_lineLastClicked = current;
2533
2534 size_t oldCurrent = m_current;
2535 bool oldWasSelected = IsHighlighted(m_current);
2536
2537 bool cmdModifierDown = event.CmdDown();
2538 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
2539 {
2540 if ( IsSingleSel() || !IsHighlighted(current) )
2541 {
2542 HighlightAll( false );
2543
2544 ChangeCurrent(current);
2545
2546 ReverseHighlight(m_current);
2547 }
2548 else // multi sel & current is highlighted & no mod keys
2549 {
2550 m_lineSelectSingleOnUp = current;
2551 ChangeCurrent(current); // change focus
2552 }
2553 }
2554 else // multi sel & either ctrl or shift is down
2555 {
2556 if (cmdModifierDown)
2557 {
2558 ChangeCurrent(current);
2559
2560 ReverseHighlight(m_current);
2561 }
2562 else if (event.ShiftDown())
2563 {
2564 ChangeCurrent(current);
2565
2566 size_t lineFrom = oldCurrent,
2567 lineTo = current;
2568
2569 if ( lineTo < lineFrom )
2570 {
2571 lineTo = lineFrom;
2572 lineFrom = m_current;
2573 }
2574
2575 HighlightLines(lineFrom, lineTo);
2576 }
2577 else // !ctrl, !shift
2578 {
2579 // test in the enclosing if should make it impossible
2580 wxFAIL_MSG( wxT("how did we get here?") );
2581 }
2582 }
2583
2584 if (m_current != oldCurrent)
2585 RefreshLine( oldCurrent );
2586
2587 // Set the flag telling us whether the next click on this item should
2588 // start editing its label. This should happen if we clicked on the
2589 // current item and it was already selected, i.e. if this click was not
2590 // done to select it.
2591 //
2592 // It should not happen if this was a double click (forceClick is true)
2593 // nor if we hadn't had the focus before as then this click was used to
2594 // give focus to the control.
2595 m_lastOnSame = (m_current == oldCurrent) && oldWasSelected &&
2596 !forceClick && HasFocus();
2597 }
2598 }
2599
2600 void wxListMainWindow::MoveToItem(size_t item)
2601 {
2602 if ( item == (size_t)-1 )
2603 return;
2604
2605 wxRect rect = GetLineRect(item);
2606
2607 int client_w, client_h;
2608 GetClientSize( &client_w, &client_h );
2609
2610 const int hLine = GetLineHeight();
2611
2612 int view_x = SCROLL_UNIT_X * GetListCtrl()->GetScrollPos( wxHORIZONTAL );
2613 int view_y = hLine * GetListCtrl()->GetScrollPos( wxVERTICAL );
2614
2615 if ( InReportView() )
2616 {
2617 // the next we need the range of lines shown it might be different,
2618 // so recalculate it
2619 ResetVisibleLinesRange();
2620
2621 if (rect.y < view_y)
2622 GetListCtrl()->Scroll( -1, rect.y / hLine );
2623 if (rect.y + rect.height + 5 > view_y + client_h)
2624 GetListCtrl()->Scroll( -1, (rect.y + rect.height - client_h + hLine) / hLine );
2625
2626 #ifdef __WXMAC__
2627 // At least on Mac the visible lines value will get reset inside of
2628 // Scroll *before* it actually scrolls the window because of the
2629 // Update() that happens there, so it will still have the wrong value.
2630 // So let's reset it again and wait for it to be recalculated in the
2631 // next paint event. I would expect this problem to show up in wxGTK
2632 // too but couldn't duplicate it there. Perhaps the order of events
2633 // is different... --Robin
2634 ResetVisibleLinesRange();
2635 #endif
2636 }
2637 else // !report
2638 {
2639 int sx = -1,
2640 sy = -1;
2641
2642 if (rect.x-view_x < 5)
2643 sx = (rect.x - 5) / SCROLL_UNIT_X;
2644 if (rect.x + rect.width - 5 > view_x + client_w)
2645 sx = (rect.x + rect.width - client_w + SCROLL_UNIT_X) / SCROLL_UNIT_X;
2646
2647 if (rect.y-view_y < 5)
2648 sy = (rect.y - 5) / hLine;
2649 if (rect.y + rect.height - 5 > view_y + client_h)
2650 sy = (rect.y + rect.height - client_h + hLine) / hLine;
2651
2652 GetListCtrl()->Scroll(sx, sy);
2653 }
2654 }
2655
2656 bool wxListMainWindow::ScrollList(int WXUNUSED(dx), int dy)
2657 {
2658 if ( !InReportView() )
2659 {
2660 // TODO: this should work in all views but is not implemented now
2661 return false;
2662 }
2663
2664 size_t top, bottom;
2665 GetVisibleLinesRange(&top, &bottom);
2666
2667 if ( bottom == (size_t)-1 )
2668 return 0;
2669
2670 ResetVisibleLinesRange();
2671
2672 int hLine = GetLineHeight();
2673
2674 GetListCtrl()->Scroll(-1, top + dy / hLine);
2675
2676 #ifdef __WXMAC__
2677 // see comment in MoveToItem() for why we do this
2678 ResetVisibleLinesRange();
2679 #endif
2680
2681 return true;
2682 }
2683
2684 // ----------------------------------------------------------------------------
2685 // keyboard handling
2686 // ----------------------------------------------------------------------------
2687
2688 void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event)
2689 {
2690 wxCHECK_RET( newCurrent < (size_t)GetItemCount(),
2691 wxT("invalid item index in OnArrowChar()") );
2692
2693 size_t oldCurrent = m_current;
2694
2695 // in single selection we just ignore Shift as we can't select several
2696 // items anyhow
2697 if ( event.ShiftDown() && !IsSingleSel() )
2698 {
2699 ChangeCurrent(newCurrent);
2700
2701 // refresh the old focus to remove it
2702 RefreshLine( oldCurrent );
2703
2704 // select all the items between the old and the new one
2705 if ( oldCurrent > newCurrent )
2706 {
2707 newCurrent = oldCurrent;
2708 oldCurrent = m_current;
2709 }
2710
2711 HighlightLines(oldCurrent, newCurrent);
2712 }
2713 else // !shift
2714 {
2715 // all previously selected items are unselected unless ctrl is held
2716 // in a multiselection control
2717 if ( !event.ControlDown() || IsSingleSel() )
2718 HighlightAll(false);
2719
2720 ChangeCurrent(newCurrent);
2721
2722 // refresh the old focus to remove it
2723 RefreshLine( oldCurrent );
2724
2725 // in single selection mode we must always have a selected item
2726 if ( !event.ControlDown() || IsSingleSel() )
2727 HighlightLine( m_current, true );
2728 }
2729
2730 RefreshLine( m_current );
2731
2732 MoveToFocus();
2733 }
2734
2735 void wxListMainWindow::OnKeyDown( wxKeyEvent &event )
2736 {
2737 wxWindow *parent = GetParent();
2738
2739 // propagate the key event upwards
2740 wxKeyEvent ke(event);
2741 ke.SetEventObject( parent );
2742 ke.SetId(GetParent()->GetId());
2743 if (parent->GetEventHandler()->ProcessEvent( ke ))
2744 return;
2745
2746 // send a list event
2747 wxListEvent le( wxEVT_LIST_KEY_DOWN, parent->GetId() );
2748 le.m_item.m_itemId =
2749 le.m_itemIndex = m_current;
2750 if (HasCurrent())
2751 GetLine(m_current)->GetItem( 0, le.m_item );
2752 le.m_code = event.GetKeyCode();
2753 le.SetEventObject( parent );
2754 if (parent->GetEventHandler()->ProcessEvent( le ))
2755 return;
2756
2757 event.Skip();
2758 }
2759
2760 void wxListMainWindow::OnKeyUp( wxKeyEvent &event )
2761 {
2762 wxWindow *parent = GetParent();
2763
2764 // propagate the key event upwards
2765 wxKeyEvent ke(event);
2766 ke.SetEventObject( parent );
2767 ke.SetId(GetParent()->GetId());
2768 if (parent->GetEventHandler()->ProcessEvent( ke ))
2769 return;
2770
2771 event.Skip();
2772 }
2773
2774 void wxListMainWindow::OnCharHook( wxKeyEvent &event )
2775 {
2776 if ( m_textctrlWrapper )
2777 {
2778 // When an in-place editor is active we should ensure that it always
2779 // gets the key events that are special to it.
2780 if ( m_textctrlWrapper->CheckForEndEditKey(event) )
2781 {
2782 // Skip the call to wxEvent::Skip() below.
2783 return;
2784 }
2785 }
2786
2787 event.Skip();
2788 }
2789
2790 void wxListMainWindow::OnChar( wxKeyEvent &event )
2791 {
2792 wxWindow *parent = GetParent();
2793
2794 // propagate the char event upwards
2795 wxKeyEvent ke(event);
2796 ke.SetEventObject( parent );
2797 ke.SetId(GetParent()->GetId());
2798 if (parent->GetEventHandler()->ProcessEvent( ke ))
2799 return;
2800
2801 if ( HandleAsNavigationKey(event) )
2802 return;
2803
2804 // no item -> nothing to do
2805 if (!HasCurrent())
2806 {
2807 event.Skip();
2808 return;
2809 }
2810
2811 // don't use m_linesPerPage directly as it might not be computed yet
2812 const int pageSize = GetCountPerPage();
2813 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
2814
2815 if (GetLayoutDirection() == wxLayout_RightToLeft)
2816 {
2817 if (event.GetKeyCode() == WXK_RIGHT)
2818 event.m_keyCode = WXK_LEFT;
2819 else if (event.GetKeyCode() == WXK_LEFT)
2820 event.m_keyCode = WXK_RIGHT;
2821 }
2822
2823 int keyCode = event.GetKeyCode();
2824 switch ( keyCode )
2825 {
2826 case WXK_UP:
2827 if ( m_current > 0 )
2828 OnArrowChar( m_current - 1, event );
2829 break;
2830
2831 case WXK_DOWN:
2832 if ( m_current < (size_t)GetItemCount() - 1 )
2833 OnArrowChar( m_current + 1, event );
2834 break;
2835
2836 case WXK_END:
2837 if (!IsEmpty())
2838 OnArrowChar( GetItemCount() - 1, event );
2839 break;
2840
2841 case WXK_HOME:
2842 if (!IsEmpty())
2843 OnArrowChar( 0, event );
2844 break;
2845
2846 case WXK_PAGEUP:
2847 {
2848 int steps = InReportView() ? pageSize - 1
2849 : m_current % pageSize;
2850
2851 int index = m_current - steps;
2852 if (index < 0)
2853 index = 0;
2854
2855 OnArrowChar( index, event );
2856 }
2857 break;
2858
2859 case WXK_PAGEDOWN:
2860 {
2861 int steps = InReportView()
2862 ? pageSize - 1
2863 : pageSize - (m_current % pageSize) - 1;
2864
2865 size_t index = m_current + steps;
2866 size_t count = GetItemCount();
2867 if ( index >= count )
2868 index = count - 1;
2869
2870 OnArrowChar( index, event );
2871 }
2872 break;
2873
2874 case WXK_LEFT:
2875 if ( !InReportView() )
2876 {
2877 int index = m_current - pageSize;
2878 if (index < 0)
2879 index = 0;
2880
2881 OnArrowChar( index, event );
2882 }
2883 break;
2884
2885 case WXK_RIGHT:
2886 if ( !InReportView() )
2887 {
2888 size_t index = m_current + pageSize;
2889
2890 size_t count = GetItemCount();
2891 if ( index >= count )
2892 index = count - 1;
2893
2894 OnArrowChar( index, event );
2895 }
2896 break;
2897
2898 case WXK_SPACE:
2899 if ( IsSingleSel() )
2900 {
2901 if ( event.ControlDown() )
2902 {
2903 ReverseHighlight(m_current);
2904 }
2905 else // normal space press
2906 {
2907 SendNotify( m_current, wxEVT_LIST_ITEM_ACTIVATED );
2908 }
2909 }
2910 else // multiple selection
2911 {
2912 ReverseHighlight(m_current);
2913 }
2914 break;
2915
2916 case WXK_RETURN:
2917 case WXK_EXECUTE:
2918 SendNotify( m_current, wxEVT_LIST_ITEM_ACTIVATED );
2919 break;
2920
2921 default:
2922 if ( !event.HasModifiers() &&
2923 ((keyCode >= '0' && keyCode <= '9') ||
2924 (keyCode >= 'a' && keyCode <= 'z') ||
2925 (keyCode >= 'A' && keyCode <= 'Z') ||
2926 (keyCode == '_') ||
2927 (keyCode == '+') ||
2928 (keyCode == '*') ||
2929 (keyCode == '-')))
2930 {
2931 // find the next item starting with the given prefix
2932 wxChar ch = (wxChar)keyCode;
2933 size_t item;
2934
2935 // if the same character is typed multiple times then go to the
2936 // next entry starting with that character instead of searching
2937 // for an item starting with multiple copies of this character,
2938 // this is more useful and is how it works under Windows.
2939 if ( m_findPrefix.length() == 1 && m_findPrefix[0] == ch )
2940 {
2941 item = PrefixFindItem(m_current, ch);
2942 }
2943 else
2944 {
2945 const wxString newPrefix(m_findPrefix + ch);
2946 item = PrefixFindItem(m_current, newPrefix);
2947 if ( item != (size_t)-1 )
2948 m_findPrefix = newPrefix;
2949 }
2950
2951 // also start the timer to reset the current prefix if the user
2952 // doesn't press any more alnum keys soon -- we wouldn't want
2953 // to use this prefix for a new item search
2954 if ( !m_findTimer )
2955 {
2956 m_findTimer = new wxListFindTimer( this );
2957 }
2958
2959 // Notice that we should start the timer even if we didn't find
2960 // anything to make sure we reset the search state later.
2961 m_findTimer->Start(wxListFindTimer::DELAY, wxTIMER_ONE_SHOT);
2962
2963 // restart timer even when there's no match so bell get's reset
2964 if ( item != (size_t)-1 )
2965 {
2966 // Select the found item and go to it.
2967 HighlightAll(false);
2968 SetItemState(item,
2969 wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED,
2970 wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED);
2971
2972 // Reset the bell flag if it had been temporarily disabled
2973 // before.
2974 if ( m_findBell )
2975 m_findBell = 1;
2976 }
2977 else // No such item
2978 {
2979 // Signal it with a bell if enabled.
2980 if ( m_findBell == 1 )
2981 {
2982 ::wxBell();
2983
2984 // Disable it for the next unsuccessful match, we only
2985 // beep once, this is usually enough and continuing to
2986 // do it would be annoying.
2987 m_findBell = -1;
2988 }
2989 }
2990 }
2991 else
2992 {
2993 event.Skip();
2994 }
2995 }
2996 }
2997
2998 // ----------------------------------------------------------------------------
2999 // focus handling
3000 // ----------------------------------------------------------------------------
3001
3002 void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
3003 {
3004 if ( GetParent() )
3005 {
3006 wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() );
3007 event.SetEventObject( GetParent() );
3008 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
3009 return;
3010 }
3011
3012 // wxGTK sends us EVT_SET_FOCUS events even if we had never got
3013 // EVT_KILL_FOCUS before which means that we finish by redrawing the items
3014 // which are already drawn correctly resulting in horrible flicker - avoid
3015 // it
3016 if ( !m_hasFocus )
3017 {
3018 m_hasFocus = true;
3019
3020 RefreshSelected();
3021 }
3022 }
3023
3024 void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
3025 {
3026 if ( GetParent() )
3027 {
3028 wxFocusEvent event( wxEVT_KILL_FOCUS, GetParent()->GetId() );
3029 event.SetEventObject( GetParent() );
3030 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
3031 return;
3032 }
3033
3034 m_hasFocus = false;
3035 RefreshSelected();
3036 }
3037
3038 void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y )
3039 {
3040 if ( HasFlag(wxLC_ICON) && (m_normal_image_list))
3041 {
3042 m_normal_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3043 }
3044 else if ( HasFlag(wxLC_SMALL_ICON) && (m_small_image_list))
3045 {
3046 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3047 }
3048 else if ( HasFlag(wxLC_LIST) && (m_small_image_list))
3049 {
3050 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3051 }
3052 else if ( InReportView() && (m_small_image_list))
3053 {
3054 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3055 }
3056 }
3057
3058 void wxListMainWindow::GetImageSize( int index, int &width, int &height ) const
3059 {
3060 if ( HasFlag(wxLC_ICON) && m_normal_image_list )
3061 {
3062 m_normal_image_list->GetSize( index, width, height );
3063 }
3064 else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
3065 {
3066 m_small_image_list->GetSize( index, width, height );
3067 }
3068 else if ( HasFlag(wxLC_LIST) && m_small_image_list )
3069 {
3070 m_small_image_list->GetSize( index, width, height );
3071 }
3072 else if ( InReportView() && m_small_image_list )
3073 {
3074 m_small_image_list->GetSize( index, width, height );
3075 }
3076 else
3077 {
3078 width =
3079 height = 0;
3080 }
3081 }
3082
3083 void wxListMainWindow::SetImageList( wxImageList *imageList, int which )
3084 {
3085 m_dirty = true;
3086
3087 // calc the spacing from the icon size
3088 int width = 0, height = 0;
3089
3090 if ((imageList) && (imageList->GetImageCount()) )
3091 imageList->GetSize(0, width, height);
3092
3093 if (which == wxIMAGE_LIST_NORMAL)
3094 {
3095 m_normal_image_list = imageList;
3096 m_normal_spacing = width + 8;
3097 }
3098
3099 if (which == wxIMAGE_LIST_SMALL)
3100 {
3101 m_small_image_list = imageList;
3102 m_small_spacing = width + 14;
3103 m_lineHeight = 0; // ensure that the line height will be recalc'd
3104 }
3105 }
3106
3107 void wxListMainWindow::SetItemSpacing( int spacing, bool isSmall )
3108 {
3109 m_dirty = true;
3110 if (isSmall)
3111 m_small_spacing = spacing;
3112 else
3113 m_normal_spacing = spacing;
3114 }
3115
3116 int wxListMainWindow::GetItemSpacing( bool isSmall )
3117 {
3118 return isSmall ? m_small_spacing : m_normal_spacing;
3119 }
3120
3121 // ----------------------------------------------------------------------------
3122 // columns
3123 // ----------------------------------------------------------------------------
3124
3125 int
3126 wxListMainWindow::ComputeMinHeaderWidth(const wxListHeaderData* column) const
3127 {
3128 wxClientDC dc(const_cast<wxListMainWindow*>(this));
3129
3130 int width = dc.GetTextExtent(column->GetText()).x + AUTOSIZE_COL_MARGIN;
3131
3132 width += 2*EXTRA_WIDTH;
3133
3134 // check for column header's image availability
3135 const int image = column->GetImage();
3136 if ( image != -1 )
3137 {
3138 if ( m_small_image_list )
3139 {
3140 int ix = 0, iy = 0;
3141 m_small_image_list->GetSize(image, ix, iy);
3142 width += ix + HEADER_IMAGE_MARGIN_IN_REPORT_MODE;
3143 }
3144 }
3145
3146 return width;
3147 }
3148
3149 void wxListMainWindow::SetColumn( int col, const wxListItem &item )
3150 {
3151 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3152
3153 wxCHECK_RET( node, wxT("invalid column index in SetColumn") );
3154
3155 wxListHeaderData *column = node->GetData();
3156 column->SetItem( item );
3157
3158 if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER )
3159 column->SetWidth(ComputeMinHeaderWidth(column));
3160
3161 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3162 if ( headerWin )
3163 headerWin->m_dirty = true;
3164
3165 m_dirty = true;
3166
3167 // invalidate it as it has to be recalculated
3168 m_headerWidth = 0;
3169 }
3170
3171 void wxListMainWindow::SetColumnWidth( int col, int width )
3172 {
3173 wxCHECK_RET( col >= 0 && col < GetColumnCount(),
3174 wxT("invalid column index") );
3175
3176 wxCHECK_RET( InReportView(),
3177 wxT("SetColumnWidth() can only be called in report mode.") );
3178
3179 m_dirty = true;
3180
3181 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3182 if ( headerWin )
3183 headerWin->m_dirty = true;
3184
3185 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3186 wxCHECK_RET( node, wxT("no column?") );
3187
3188 wxListHeaderData *column = node->GetData();
3189
3190 size_t count = GetItemCount();
3191
3192 if (width == wxLIST_AUTOSIZE_USEHEADER)
3193 {
3194 width = ComputeMinHeaderWidth(column);
3195 }
3196 else if ( width == wxLIST_AUTOSIZE )
3197 {
3198 width = ComputeMinHeaderWidth(column);
3199
3200 if ( !IsVirtual() )
3201 {
3202 wxClientDC dc(this);
3203 dc.SetFont( GetFont() );
3204
3205 int max = AUTOSIZE_COL_MARGIN;
3206
3207 // if the cached column width isn't valid then recalculate it
3208 if (m_aColWidths.Item(col)->bNeedsUpdate)
3209 {
3210 for (size_t i = 0; i < count; i++)
3211 {
3212 wxListLineData *line = GetLine( i );
3213 wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
3214
3215 wxCHECK_RET( n, wxT("no subitem?") );
3216
3217 wxListItemData *itemData = n->GetData();
3218 wxListItem item;
3219
3220 itemData->GetItem(item);
3221 int itemWidth = GetItemWidthWithImage(&item);
3222 if (itemWidth > max)
3223 max = itemWidth;
3224 }
3225
3226 m_aColWidths.Item(col)->bNeedsUpdate = false;
3227 m_aColWidths.Item(col)->nMaxWidth = max;
3228 }
3229
3230 max = m_aColWidths.Item(col)->nMaxWidth + AUTOSIZE_COL_MARGIN;
3231 if ( width < max )
3232 width = max;
3233 }
3234 }
3235
3236 column->SetWidth( width );
3237
3238 // invalidate it as it has to be recalculated
3239 m_headerWidth = 0;
3240 }
3241
3242 int wxListMainWindow::GetHeaderWidth() const
3243 {
3244 if ( !m_headerWidth )
3245 {
3246 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
3247
3248 size_t count = GetColumnCount();
3249 for ( size_t col = 0; col < count; col++ )
3250 {
3251 self->m_headerWidth += GetColumnWidth(col);
3252 }
3253 }
3254
3255 return m_headerWidth;
3256 }
3257
3258 void wxListMainWindow::GetColumn( int col, wxListItem &item ) const
3259 {
3260 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3261 wxCHECK_RET( node, wxT("invalid column index in GetColumn") );
3262
3263 wxListHeaderData *column = node->GetData();
3264 column->GetItem( item );
3265 }
3266
3267 int wxListMainWindow::GetColumnWidth( int col ) const
3268 {
3269 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3270 wxCHECK_MSG( node, 0, wxT("invalid column index") );
3271
3272 wxListHeaderData *column = node->GetData();
3273 return column->GetWidth();
3274 }
3275
3276 // ----------------------------------------------------------------------------
3277 // item state
3278 // ----------------------------------------------------------------------------
3279
3280 void wxListMainWindow::SetItem( wxListItem &item )
3281 {
3282 long id = item.m_itemId;
3283 wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(),
3284 wxT("invalid item index in SetItem") );
3285
3286 if ( !IsVirtual() )
3287 {
3288 wxListLineData *line = GetLine((size_t)id);
3289 line->SetItem( item.m_col, item );
3290
3291 // Set item state if user wants
3292 if ( item.m_mask & wxLIST_MASK_STATE )
3293 SetItemState( item.m_itemId, item.m_state, item.m_state );
3294
3295 if (InReportView())
3296 {
3297 // update the Max Width Cache if needed
3298 int width = GetItemWidthWithImage(&item);
3299
3300 if (width > m_aColWidths.Item(item.m_col)->nMaxWidth)
3301 m_aColWidths.Item(item.m_col)->nMaxWidth = width;
3302 }
3303 }
3304
3305 // update the item on screen unless we're going to update everything soon
3306 // anyhow
3307 if ( !m_dirty )
3308 {
3309 wxRect rectItem;
3310 GetItemRect(id, rectItem);
3311 RefreshRect(rectItem);
3312 }
3313 }
3314
3315 void wxListMainWindow::SetItemStateAll(long state, long stateMask)
3316 {
3317 if ( IsEmpty() )
3318 return;
3319
3320 // first deal with selection
3321 if ( stateMask & wxLIST_STATE_SELECTED )
3322 {
3323 // set/clear select state
3324 if ( IsVirtual() )
3325 {
3326 // optimized version for virtual listctrl.
3327 m_selStore.SelectRange(0, GetItemCount() - 1, state == wxLIST_STATE_SELECTED);
3328 Refresh();
3329 }
3330 else if ( state & wxLIST_STATE_SELECTED )
3331 {
3332 const long count = GetItemCount();
3333 for( long i = 0; i < count; i++ )
3334 {
3335 SetItemState( i, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED );
3336 }
3337
3338 }
3339 else
3340 {
3341 // clear for non virtual (somewhat optimized by using GetNextItem())
3342 long i = -1;
3343 while ( (i = GetNextItem(i, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED)) != -1 )
3344 {
3345 SetItemState( i, 0, wxLIST_STATE_SELECTED );
3346 }
3347 }
3348 }
3349
3350 if ( HasCurrent() && (state == 0) && (stateMask & wxLIST_STATE_FOCUSED) )
3351 {
3352 // unfocus all: only one item can be focussed, so clearing focus for
3353 // all items is simply clearing focus of the focussed item.
3354 SetItemState(m_current, state, stateMask);
3355 }
3356 //(setting focus to all items makes no sense, so it is not handled here.)
3357 }
3358
3359 void wxListMainWindow::SetItemState( long litem, long state, long stateMask )
3360 {
3361 if ( litem == -1 )
3362 {
3363 SetItemStateAll(state, stateMask);
3364 return;
3365 }
3366
3367 wxCHECK_RET( litem >= 0 && (size_t)litem < GetItemCount(),
3368 wxT("invalid list ctrl item index in SetItem") );
3369
3370 size_t oldCurrent = m_current;
3371 size_t item = (size_t)litem; // safe because of the check above
3372
3373 // do we need to change the focus?
3374 if ( stateMask & wxLIST_STATE_FOCUSED )
3375 {
3376 if ( state & wxLIST_STATE_FOCUSED )
3377 {
3378 // don't do anything if this item is already focused
3379 if ( item != m_current )
3380 {
3381 ChangeCurrent(item);
3382
3383 if ( oldCurrent != (size_t)-1 )
3384 {
3385 if ( IsSingleSel() )
3386 {
3387 HighlightLine(oldCurrent, false);
3388 }
3389
3390 RefreshLine(oldCurrent);
3391 }
3392
3393 RefreshLine( m_current );
3394 }
3395 }
3396 else // unfocus
3397 {
3398 // don't do anything if this item is not focused
3399 if ( item == m_current )
3400 {
3401 ResetCurrent();
3402
3403 if ( IsSingleSel() )
3404 {
3405 // we must unselect the old current item as well or we
3406 // might end up with more than one selected item in a
3407 // single selection control
3408 HighlightLine(oldCurrent, false);
3409 }
3410
3411 RefreshLine( oldCurrent );
3412 }
3413 }
3414 }
3415
3416 // do we need to change the selection state?
3417 if ( stateMask & wxLIST_STATE_SELECTED )
3418 {
3419 bool on = (state & wxLIST_STATE_SELECTED) != 0;
3420
3421 if ( IsSingleSel() )
3422 {
3423 if ( on )
3424 {
3425 // selecting the item also makes it the focused one in the
3426 // single sel mode
3427 if ( m_current != item )
3428 {
3429 ChangeCurrent(item);
3430
3431 if ( oldCurrent != (size_t)-1 )
3432 {
3433 HighlightLine( oldCurrent, false );
3434 RefreshLine( oldCurrent );
3435 }
3436 }
3437 }
3438 else // off
3439 {
3440 // only the current item may be selected anyhow
3441 if ( item != m_current )
3442 return;
3443 }
3444 }
3445
3446 if ( HighlightLine(item, on) )
3447 {
3448 RefreshLine(item);
3449 }
3450 }
3451 }
3452
3453 int wxListMainWindow::GetItemState( long item, long stateMask ) const
3454 {
3455 wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), 0,
3456 wxT("invalid list ctrl item index in GetItemState()") );
3457
3458 int ret = wxLIST_STATE_DONTCARE;
3459
3460 if ( stateMask & wxLIST_STATE_FOCUSED )
3461 {
3462 if ( (size_t)item == m_current )
3463 ret |= wxLIST_STATE_FOCUSED;
3464 }
3465
3466 if ( stateMask & wxLIST_STATE_SELECTED )
3467 {
3468 if ( IsHighlighted(item) )
3469 ret |= wxLIST_STATE_SELECTED;
3470 }
3471
3472 return ret;
3473 }
3474
3475 void wxListMainWindow::GetItem( wxListItem &item ) const
3476 {
3477 wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId < GetItemCount(),
3478 wxT("invalid item index in GetItem") );
3479
3480 wxListLineData *line = GetLine((size_t)item.m_itemId);
3481 line->GetItem( item.m_col, item );
3482
3483 // Get item state if user wants it
3484 if ( item.m_mask & wxLIST_MASK_STATE )
3485 item.m_state = GetItemState( item.m_itemId, wxLIST_STATE_SELECTED |
3486 wxLIST_STATE_FOCUSED );
3487 }
3488
3489 // ----------------------------------------------------------------------------
3490 // item count
3491 // ----------------------------------------------------------------------------
3492
3493 size_t wxListMainWindow::GetItemCount() const
3494 {
3495 return IsVirtual() ? m_countVirt : m_lines.GetCount();
3496 }
3497
3498 void wxListMainWindow::SetItemCount(long count)
3499 {
3500 m_selStore.SetItemCount(count);
3501 m_countVirt = count;
3502
3503 ResetVisibleLinesRange();
3504
3505 // scrollbars must be reset
3506 m_dirty = true;
3507 }
3508
3509 int wxListMainWindow::GetSelectedItemCount() const
3510 {
3511 // deal with the quick case first
3512 if ( IsSingleSel() )
3513 return HasCurrent() ? IsHighlighted(m_current) : false;
3514
3515 // virtual controls remmebers all its selections itself
3516 if ( IsVirtual() )
3517 return m_selStore.GetSelectedCount();
3518
3519 // TODO: we probably should maintain the number of items selected even for
3520 // non virtual controls as enumerating all lines is really slow...
3521 size_t countSel = 0;
3522 size_t count = GetItemCount();
3523 for ( size_t line = 0; line < count; line++ )
3524 {
3525 if ( GetLine(line)->IsHighlighted() )
3526 countSel++;
3527 }
3528
3529 return countSel;
3530 }
3531
3532 // ----------------------------------------------------------------------------
3533 // item position/size
3534 // ----------------------------------------------------------------------------
3535
3536 wxRect wxListMainWindow::GetViewRect() const
3537 {
3538 wxASSERT_MSG( !HasFlag(wxLC_LIST), "not implemented for list view" );
3539
3540 // we need to find the longest/tallest label
3541 wxCoord xMax = 0, yMax = 0;
3542 const int count = GetItemCount();
3543 if ( count )
3544 {
3545 for ( int i = 0; i < count; i++ )
3546 {
3547 // we need logical, not physical, coordinates here, so use
3548 // GetLineRect() instead of GetItemRect()
3549 wxRect r = GetLineRect(i);
3550
3551 wxCoord x = r.GetRight(),
3552 y = r.GetBottom();
3553
3554 if ( x > xMax )
3555 xMax = x;
3556 if ( y > yMax )
3557 yMax = y;
3558 }
3559 }
3560
3561 // some fudge needed to make it look prettier
3562 xMax += 2 * EXTRA_BORDER_X;
3563 yMax += 2 * EXTRA_BORDER_Y;
3564
3565 // account for the scrollbars if necessary
3566 const wxSize sizeAll = GetClientSize();
3567 if ( xMax > sizeAll.x )
3568 yMax += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
3569 if ( yMax > sizeAll.y )
3570 xMax += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
3571
3572 return wxRect(0, 0, xMax, yMax);
3573 }
3574
3575 bool
3576 wxListMainWindow::GetSubItemRect(long item, long subItem, wxRect& rect) const
3577 {
3578 wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM || InReportView(),
3579 false,
3580 wxT("GetSubItemRect only meaningful in report view") );
3581 wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), false,
3582 wxT("invalid item in GetSubItemRect") );
3583
3584 // ensure that we're laid out, otherwise we could return nonsense
3585 if ( m_dirty )
3586 {
3587 wxConstCast(this, wxListMainWindow)->
3588 RecalculatePositions(true /* no refresh */);
3589 }
3590
3591 rect = GetLineRect((size_t)item);
3592
3593 // Adjust rect to specified column
3594 if ( subItem != wxLIST_GETSUBITEMRECT_WHOLEITEM )
3595 {
3596 wxCHECK_MSG( subItem >= 0 && subItem < GetColumnCount(), false,
3597 wxT("invalid subItem in GetSubItemRect") );
3598
3599 for (int i = 0; i < subItem; i++)
3600 {
3601 rect.x += GetColumnWidth(i);
3602 }
3603 rect.width = GetColumnWidth(subItem);
3604 }
3605
3606 GetListCtrl()->CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y);
3607
3608 return true;
3609 }
3610
3611 bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos) const
3612 {
3613 wxRect rect;
3614 GetItemRect(item, rect);
3615
3616 pos.x = rect.x;
3617 pos.y = rect.y;
3618
3619 return true;
3620 }
3621
3622 // ----------------------------------------------------------------------------
3623 // geometry calculation
3624 // ----------------------------------------------------------------------------
3625
3626 void wxListMainWindow::RecalculatePositions(bool noRefresh)
3627 {
3628 const int lineHeight = GetLineHeight();
3629
3630 wxClientDC dc( this );
3631 dc.SetFont( GetFont() );
3632
3633 const size_t count = GetItemCount();
3634
3635 int iconSpacing;
3636 if ( HasFlag(wxLC_ICON) && m_normal_image_list )
3637 iconSpacing = m_normal_spacing;
3638 else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
3639 iconSpacing = m_small_spacing;
3640 else
3641 iconSpacing = 0;
3642
3643 // Note that we do not call GetClientSize() here but
3644 // GetSize() and subtract the border size for sunken
3645 // borders manually. This is technically incorrect,
3646 // but we need to know the client area's size WITHOUT
3647 // scrollbars here. Since we don't know if there are
3648 // any scrollbars, we use GetSize() instead. Another
3649 // solution would be to call SetScrollbars() here to
3650 // remove the scrollbars and call GetClientSize() then,
3651 // but this might result in flicker and - worse - will
3652 // reset the scrollbars to 0 which is not good at all
3653 // if you resize a dialog/window, but don't want to
3654 // reset the window scrolling. RR.
3655 // Furthermore, we actually do NOT subtract the border
3656 // width as 2 pixels is just the extra space which we
3657 // need around the actual content in the window. Other-
3658 // wise the text would e.g. touch the upper border. RR.
3659 int clientWidth,
3660 clientHeight;
3661 GetSize( &clientWidth, &clientHeight );
3662
3663 if ( InReportView() )
3664 {
3665 // all lines have the same height and we scroll one line per step
3666 int entireHeight = count * lineHeight + LINE_SPACING;
3667
3668 m_linesPerPage = clientHeight / lineHeight;
3669
3670 ResetVisibleLinesRange();
3671
3672 GetListCtrl()->SetScrollbars( SCROLL_UNIT_X, lineHeight,
3673 GetHeaderWidth() / SCROLL_UNIT_X,
3674 (entireHeight + lineHeight - 1) / lineHeight,
3675 GetListCtrl()->GetScrollPos(wxHORIZONTAL),
3676 GetListCtrl()->GetScrollPos(wxVERTICAL),
3677 true );
3678 }
3679 else // !report
3680 {
3681 // we have 3 different layout strategies: either layout all items
3682 // horizontally/vertically (wxLC_ALIGN_XXX styles explicitly given) or
3683 // to arrange them in top to bottom, left to right (don't ask me why
3684 // not the other way round...) order
3685 if ( HasFlag(wxLC_ALIGN_LEFT | wxLC_ALIGN_TOP) )
3686 {
3687 int x = EXTRA_BORDER_X;
3688 int y = EXTRA_BORDER_Y;
3689
3690 wxCoord widthMax = 0;
3691
3692 size_t i;
3693 for ( i = 0; i < count; i++ )
3694 {
3695 wxListLineData *line = GetLine(i);
3696 line->CalculateSize( &dc, iconSpacing );
3697 line->SetPosition( x, y, iconSpacing );
3698
3699 wxSize sizeLine = GetLineSize(i);
3700
3701 if ( HasFlag(wxLC_ALIGN_TOP) )
3702 {
3703 if ( sizeLine.x > widthMax )
3704 widthMax = sizeLine.x;
3705
3706 y += sizeLine.y;
3707 }
3708 else // wxLC_ALIGN_LEFT
3709 {
3710 x += sizeLine.x + MARGIN_BETWEEN_ROWS;
3711 }
3712 }
3713
3714 if ( HasFlag(wxLC_ALIGN_TOP) )
3715 {
3716 // traverse the items again and tweak their sizes so that they are
3717 // all the same in a row
3718 for ( i = 0; i < count; i++ )
3719 {
3720 wxListLineData *line = GetLine(i);
3721 line->m_gi->ExtendWidth(widthMax);
3722 }
3723 }
3724
3725 GetListCtrl()->SetScrollbars
3726 (
3727 SCROLL_UNIT_X,
3728 lineHeight,
3729 (x + SCROLL_UNIT_X) / SCROLL_UNIT_X,
3730 (y + lineHeight) / lineHeight,
3731 GetListCtrl()->GetScrollPos( wxHORIZONTAL ),
3732 GetListCtrl()->GetScrollPos( wxVERTICAL ),
3733 true
3734 );
3735 }
3736 else // "flowed" arrangement, the most complicated case
3737 {
3738 // at first we try without any scrollbars, if the items don't fit into
3739 // the window, we recalculate after subtracting the space taken by the
3740 // scrollbar
3741
3742 int entireWidth = 0;
3743
3744 for (int tries = 0; tries < 2; tries++)
3745 {
3746 entireWidth = 2 * EXTRA_BORDER_X;
3747
3748 if (tries == 1)
3749 {
3750 // Now we have decided that the items do not fit into the
3751 // client area, so we need a scrollbar
3752 entireWidth += SCROLL_UNIT_X;
3753 }
3754
3755 int x = EXTRA_BORDER_X;
3756 int y = EXTRA_BORDER_Y;
3757
3758 // Note that "row" here is vertical, i.e. what is called
3759 // "column" in many other places in wxWidgets.
3760 int maxWidthInThisRow = 0;
3761
3762 m_linesPerPage = 0;
3763 int currentlyVisibleLines = 0;
3764
3765 for (size_t i = 0; i < count; i++)
3766 {
3767 currentlyVisibleLines++;
3768 wxListLineData *line = GetLine( i );
3769 line->CalculateSize( &dc, iconSpacing );
3770 line->SetPosition( x, y, iconSpacing );
3771
3772 wxSize sizeLine = GetLineSize( i );
3773
3774 if ( maxWidthInThisRow < sizeLine.x )
3775 maxWidthInThisRow = sizeLine.x;
3776
3777 y += sizeLine.y;
3778 if (currentlyVisibleLines > m_linesPerPage)
3779 m_linesPerPage = currentlyVisibleLines;
3780
3781 // Have we reached the end of the row either because no
3782 // more items would fit or because there are simply no more
3783 // items?
3784 if ( y + sizeLine.y >= clientHeight
3785 || i == count - 1)
3786 {
3787 // Adjust all items in this row to have the same
3788 // width to ensure that they all align horizontally in
3789 // icon view.
3790 if ( HasFlag(wxLC_ICON) || HasFlag(wxLC_SMALL_ICON) )
3791 {
3792 size_t firstRowLine = i - currentlyVisibleLines + 1;
3793 for (size_t j = firstRowLine; j <= i; j++)
3794 {
3795 GetLine(j)->m_gi->ExtendWidth(maxWidthInThisRow);
3796 }
3797 }
3798
3799 currentlyVisibleLines = 0;
3800 y = EXTRA_BORDER_Y;
3801 maxWidthInThisRow += MARGIN_BETWEEN_ROWS;
3802 x += maxWidthInThisRow;
3803 entireWidth += maxWidthInThisRow;
3804 maxWidthInThisRow = 0;
3805 }
3806
3807 if ( (tries == 0) &&
3808 (entireWidth + SCROLL_UNIT_X > clientWidth) )
3809 {
3810 clientHeight -= wxSystemSettings::
3811 GetMetric(wxSYS_HSCROLL_Y);
3812 m_linesPerPage = 0;
3813 break;
3814 }
3815
3816 if ( i == count - 1 )
3817 tries = 1; // Everything fits, no second try required.
3818 }
3819 }
3820
3821 GetListCtrl()->SetScrollbars
3822 (
3823 SCROLL_UNIT_X,
3824 lineHeight,
3825 (entireWidth + SCROLL_UNIT_X) / SCROLL_UNIT_X,
3826 0,
3827 GetListCtrl()->GetScrollPos( wxHORIZONTAL ),
3828 0,
3829 true
3830 );
3831 }
3832 }
3833
3834 if ( !noRefresh )
3835 {
3836 // FIXME: why should we call it from here?
3837 UpdateCurrent();
3838
3839 RefreshAll();
3840 }
3841 }
3842
3843 void wxListMainWindow::RefreshAll()
3844 {
3845 m_dirty = false;
3846 Refresh();
3847
3848 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3849 if ( headerWin && headerWin->m_dirty )
3850 {
3851 headerWin->m_dirty = false;
3852 headerWin->Refresh();
3853 }
3854 }
3855
3856 void wxListMainWindow::UpdateCurrent()
3857 {
3858 if ( !HasCurrent() && !IsEmpty() )
3859 ChangeCurrent(0);
3860 }
3861
3862 long wxListMainWindow::GetNextItem( long item,
3863 int WXUNUSED(geometry),
3864 int state ) const
3865 {
3866 long ret = item,
3867 max = GetItemCount();
3868 wxCHECK_MSG( (ret == -1) || (ret < max), -1,
3869 wxT("invalid listctrl index in GetNextItem()") );
3870
3871 // notice that we start with the next item (or the first one if item == -1)
3872 // and this is intentional to allow writing a simple loop to iterate over
3873 // all selected items
3874 ret++;
3875 if ( ret == max )
3876 // this is not an error because the index was OK initially,
3877 // just no such item
3878 return -1;
3879
3880 if ( !state )
3881 // any will do
3882 return (size_t)ret;
3883
3884 size_t count = GetItemCount();
3885 for ( size_t line = (size_t)ret; line < count; line++ )
3886 {
3887 if ( (state & wxLIST_STATE_FOCUSED) && (line == m_current) )
3888 return line;
3889
3890 if ( (state & wxLIST_STATE_SELECTED) && IsHighlighted(line) )
3891 return line;
3892 }
3893
3894 return -1;
3895 }
3896
3897 // ----------------------------------------------------------------------------
3898 // deleting stuff
3899 // ----------------------------------------------------------------------------
3900
3901 void wxListMainWindow::DeleteItem( long lindex )
3902 {
3903 size_t count = GetItemCount();
3904
3905 wxCHECK_RET( (lindex >= 0) && ((size_t)lindex < count),
3906 wxT("invalid item index in DeleteItem") );
3907
3908 size_t index = (size_t)lindex;
3909
3910 // we don't need to adjust the index for the previous items
3911 if ( HasCurrent() && m_current >= index )
3912 {
3913 // if the current item is being deleted, we want the next one to
3914 // become selected - unless there is no next one - so don't adjust
3915 // m_current in this case
3916 if ( m_current != index || m_current == count - 1 )
3917 m_current--;
3918 }
3919
3920 if ( InReportView() )
3921 {
3922 // mark the Column Max Width cache as dirty if the items in the line
3923 // we're deleting contain the Max Column Width
3924 wxListLineData * const line = GetLine(index);
3925 wxListItemDataList::compatibility_iterator n;
3926 wxListItemData *itemData;
3927 wxListItem item;
3928 int itemWidth;
3929
3930 for (size_t i = 0; i < m_columns.GetCount(); i++)
3931 {
3932 n = line->m_items.Item( i );
3933 itemData = n->GetData();
3934 itemData->GetItem(item);
3935
3936 itemWidth = GetItemWidthWithImage(&item);
3937
3938 if (itemWidth >= m_aColWidths.Item(i)->nMaxWidth)
3939 m_aColWidths.Item(i)->bNeedsUpdate = true;
3940 }
3941
3942 ResetVisibleLinesRange();
3943 }
3944
3945 SendNotify( index, wxEVT_LIST_DELETE_ITEM, wxDefaultPosition );
3946
3947 if ( IsVirtual() )
3948 {
3949 m_countVirt--;
3950 m_selStore.OnItemDelete(index);
3951 }
3952 else
3953 {
3954 m_lines.RemoveAt( index );
3955 }
3956
3957 // we need to refresh the (vert) scrollbar as the number of items changed
3958 m_dirty = true;
3959
3960 RefreshAfter(index);
3961 }
3962
3963 void wxListMainWindow::DeleteColumn( int col )
3964 {
3965 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3966
3967 wxCHECK_RET( node, wxT("invalid column index in DeleteColumn()") );
3968
3969 m_dirty = true;
3970 delete node->GetData();
3971 m_columns.Erase( node );
3972
3973 if ( !IsVirtual() )
3974 {
3975 // update all the items
3976 for ( size_t i = 0; i < m_lines.GetCount(); i++ )
3977 {
3978 wxListLineData * const line = GetLine(i);
3979
3980 // In the following atypical but possible scenario it can be
3981 // legal to call DeleteColumn() but the items may not have any
3982 // values for it:
3983 // 1. In report view, insert a second column.
3984 // 2. Still in report view, add an item with 2 values.
3985 // 3. Switch to an icon (or list) view.
3986 // 4. Add an item -- necessarily with 1 value only.
3987 // 5. Switch back to report view.
3988 // 6. Call DeleteColumn().
3989 // So we need to check for this as otherwise we would simply crash
3990 // if this happens.
3991 if ( line->m_items.GetCount() <= static_cast<unsigned>(col) )
3992 continue;
3993
3994 wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
3995 delete n->GetData();
3996 line->m_items.Erase(n);
3997 }
3998 }
3999
4000 if ( InReportView() ) // we only cache max widths when in Report View
4001 {
4002 delete m_aColWidths.Item(col);
4003 m_aColWidths.RemoveAt(col);
4004 }
4005
4006 // invalidate it as it has to be recalculated
4007 m_headerWidth = 0;
4008 }
4009
4010 void wxListMainWindow::DoDeleteAllItems()
4011 {
4012 if ( IsEmpty() )
4013 // nothing to do - in particular, don't send the event
4014 return;
4015
4016 ResetCurrent();
4017
4018 // to make the deletion of all items faster, we don't send the
4019 // notifications for each item deletion in this case but only one event
4020 // for all of them: this is compatible with wxMSW and documented in
4021 // DeleteAllItems() description
4022
4023 wxListEvent event( wxEVT_LIST_DELETE_ALL_ITEMS, GetParent()->GetId() );
4024 event.SetEventObject( GetParent() );
4025 GetParent()->GetEventHandler()->ProcessEvent( event );
4026
4027 if ( IsVirtual() )
4028 {
4029 m_countVirt = 0;
4030 m_selStore.Clear();
4031 }
4032
4033 if ( InReportView() )
4034 {
4035 ResetVisibleLinesRange();
4036 for (size_t i = 0; i < m_aColWidths.GetCount(); i++)
4037 {
4038 m_aColWidths.Item(i)->bNeedsUpdate = true;
4039 }
4040 }
4041
4042 m_lines.Clear();
4043 }
4044
4045 void wxListMainWindow::DeleteAllItems()
4046 {
4047 DoDeleteAllItems();
4048
4049 RecalculatePositions();
4050 }
4051
4052 void wxListMainWindow::DeleteEverything()
4053 {
4054 WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
4055 WX_CLEAR_ARRAY(m_aColWidths);
4056
4057 DeleteAllItems();
4058 }
4059
4060 // ----------------------------------------------------------------------------
4061 // scanning for an item
4062 // ----------------------------------------------------------------------------
4063
4064 void wxListMainWindow::EnsureVisible( long index )
4065 {
4066 wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(),
4067 wxT("invalid index in EnsureVisible") );
4068
4069 // We have to call this here because the label in question might just have
4070 // been added and its position is not known yet
4071 if ( m_dirty )
4072 RecalculatePositions(true /* no refresh */);
4073
4074 MoveToItem((size_t)index);
4075 }
4076
4077 long wxListMainWindow::FindItem(long start, const wxString& str, bool partial )
4078 {
4079 if (str.empty())
4080 return wxNOT_FOUND;
4081
4082 long pos = start;
4083 wxString str_upper = str.Upper();
4084 if (pos < 0)
4085 pos = 0;
4086
4087 size_t count = GetItemCount();
4088 for ( size_t i = (size_t)pos; i < count; i++ )
4089 {
4090 wxListLineData *line = GetLine(i);
4091 wxString line_upper = line->GetText(0).Upper();
4092 if (!partial)
4093 {
4094 if (line_upper == str_upper )
4095 return i;
4096 }
4097 else
4098 {
4099 if (line_upper.find(str_upper) == 0)
4100 return i;
4101 }
4102 }
4103
4104 return wxNOT_FOUND;
4105 }
4106
4107 long wxListMainWindow::FindItem(long start, wxUIntPtr data)
4108 {
4109 long pos = start;
4110 if (pos < 0)
4111 pos = 0;
4112
4113 size_t count = GetItemCount();
4114 for (size_t i = (size_t)pos; i < count; i++)
4115 {
4116 wxListLineData *line = GetLine(i);
4117 wxListItem item;
4118 line->GetItem( 0, item );
4119 if (item.m_data == data)
4120 return i;
4121 }
4122
4123 return wxNOT_FOUND;
4124 }
4125
4126 long wxListMainWindow::FindItem( const wxPoint& pt )
4127 {
4128 size_t topItem;
4129 GetVisibleLinesRange( &topItem, NULL );
4130
4131 wxPoint p;
4132 GetItemPosition( GetItemCount() - 1, p );
4133 if ( p.y == 0 )
4134 return topItem;
4135
4136 long id = (long)floor( pt.y * double(GetItemCount() - topItem - 1) / p.y + topItem );
4137 if ( id >= 0 && id < (long)GetItemCount() )
4138 return id;
4139
4140 return wxNOT_FOUND;
4141 }
4142
4143 long wxListMainWindow::HitTest( int x, int y, int &flags ) const
4144 {
4145 GetListCtrl()->CalcUnscrolledPosition( x, y, &x, &y );
4146
4147 size_t count = GetItemCount();
4148
4149 if ( InReportView() )
4150 {
4151 size_t current = y / GetLineHeight();
4152 if ( current < count )
4153 {
4154 flags = HitTestLine(current, x, y);
4155 if ( flags )
4156 return current;
4157 }
4158 }
4159 else // !report
4160 {
4161 // TODO: optimize it too! this is less simple than for report view but
4162 // enumerating all items is still not a way to do it!!
4163 for ( size_t current = 0; current < count; current++ )
4164 {
4165 flags = HitTestLine(current, x, y);
4166 if ( flags )
4167 return current;
4168 }
4169 }
4170
4171 return wxNOT_FOUND;
4172 }
4173
4174 // ----------------------------------------------------------------------------
4175 // adding stuff
4176 // ----------------------------------------------------------------------------
4177
4178 void wxListMainWindow::InsertItem( wxListItem &item )
4179 {
4180 wxASSERT_MSG( !IsVirtual(), wxT("can't be used with virtual control") );
4181
4182 int count = GetItemCount();
4183 wxCHECK_RET( item.m_itemId >= 0, wxT("invalid item index") );
4184
4185 if (item.m_itemId > count)
4186 item.m_itemId = count;
4187
4188 size_t id = item.m_itemId;
4189
4190 m_dirty = true;
4191
4192 if ( InReportView() )
4193 {
4194 ResetVisibleLinesRange();
4195
4196 const unsigned col = item.GetColumn();
4197 wxCHECK_RET( col < m_aColWidths.size(), "invalid item column" );
4198
4199 // calculate the width of the item and adjust the max column width
4200 wxColWidthInfo *pWidthInfo = m_aColWidths.Item(col);
4201 int width = GetItemWidthWithImage(&item);
4202 item.SetWidth(width);
4203 if (width > pWidthInfo->nMaxWidth)
4204 pWidthInfo->nMaxWidth = width;
4205 }
4206
4207 wxListLineData *line = new wxListLineData(this);
4208
4209 line->SetItem( item.m_col, item );
4210 if ( item.m_mask & wxLIST_MASK_IMAGE )
4211 {
4212 // Reset the buffered height if it's not big enough for the new image.
4213 int image = item.GetImage();
4214 if ( m_small_image_list && image != -1 && InReportView() )
4215 {
4216 int imageWidth, imageHeight;
4217 m_small_image_list->GetSize(image, imageWidth, imageHeight);
4218
4219 if ( imageHeight > m_lineHeight )
4220 m_lineHeight = 0;
4221 }
4222 }
4223
4224 m_lines.Insert( line, id );
4225
4226 m_dirty = true;
4227
4228 // If an item is selected at or below the point of insertion, we need to
4229 // increment the member variables because the current row's index has gone
4230 // up by one
4231 if ( HasCurrent() && m_current >= id )
4232 m_current++;
4233
4234 SendNotify(id, wxEVT_LIST_INSERT_ITEM);
4235
4236 RefreshLines(id, GetItemCount() - 1);
4237 }
4238
4239 long wxListMainWindow::InsertColumn( long col, const wxListItem &item )
4240 {
4241 long idx = -1;
4242
4243 m_dirty = true;
4244 if ( InReportView() )
4245 {
4246 wxListHeaderData *column = new wxListHeaderData( item );
4247 if (item.m_width == wxLIST_AUTOSIZE_USEHEADER)
4248 column->SetWidth(ComputeMinHeaderWidth(column));
4249
4250 wxColWidthInfo *colWidthInfo = new wxColWidthInfo();
4251
4252 bool insert = (col >= 0) && ((size_t)col < m_columns.GetCount());
4253 if ( insert )
4254 {
4255 wxListHeaderDataList::compatibility_iterator
4256 node = m_columns.Item( col );
4257 m_columns.Insert( node, column );
4258 m_aColWidths.Insert( colWidthInfo, col );
4259 idx = col;
4260 }
4261 else
4262 {
4263 idx = m_aColWidths.GetCount();
4264 m_columns.Append( column );
4265 m_aColWidths.Add( colWidthInfo );
4266 }
4267
4268 if ( !IsVirtual() )
4269 {
4270 // update all the items
4271 for ( size_t i = 0; i < m_lines.GetCount(); i++ )
4272 {
4273 wxListLineData * const line = GetLine(i);
4274 wxListItemData * const data = new wxListItemData(this);
4275 if ( insert )
4276 line->m_items.Insert(col, data);
4277 else
4278 line->m_items.Append(data);
4279 }
4280 }
4281
4282 // invalidate it as it has to be recalculated
4283 m_headerWidth = 0;
4284 }
4285 return idx;
4286 }
4287
4288 int wxListMainWindow::GetItemWidthWithImage(wxListItem * item)
4289 {
4290 int width = 0;
4291 wxClientDC dc(this);
4292
4293 dc.SetFont( GetFont() );
4294
4295 if (item->GetImage() != -1)
4296 {
4297 int ix, iy;
4298 GetImageSize( item->GetImage(), ix, iy );
4299 width += ix + 5;
4300 }
4301
4302 if (!item->GetText().empty())
4303 {
4304 wxCoord w;
4305 dc.GetTextExtent( item->GetText(), &w, NULL );
4306 width += w;
4307 }
4308
4309 return width;
4310 }
4311
4312 // ----------------------------------------------------------------------------
4313 // sorting
4314 // ----------------------------------------------------------------------------
4315
4316 static wxListCtrlCompare list_ctrl_compare_func_2;
4317 static wxIntPtr list_ctrl_compare_data;
4318
4319 int LINKAGEMODE list_ctrl_compare_func_1( wxListLineData **arg1, wxListLineData **arg2 )
4320 {
4321 wxListLineData *line1 = *arg1;
4322 wxListLineData *line2 = *arg2;
4323 wxListItem item;
4324 line1->GetItem( 0, item );
4325 wxUIntPtr data1 = item.m_data;
4326 line2->GetItem( 0, item );
4327 wxUIntPtr data2 = item.m_data;
4328 return list_ctrl_compare_func_2( data1, data2, list_ctrl_compare_data );
4329 }
4330
4331 void wxListMainWindow::SortItems( wxListCtrlCompare fn, wxIntPtr data )
4332 {
4333 // selections won't make sense any more after sorting the items so reset
4334 // them
4335 HighlightAll(false);
4336 ResetCurrent();
4337
4338 list_ctrl_compare_func_2 = fn;
4339 list_ctrl_compare_data = data;
4340 m_lines.Sort( list_ctrl_compare_func_1 );
4341 m_dirty = true;
4342 }
4343
4344 // ----------------------------------------------------------------------------
4345 // scrolling
4346 // ----------------------------------------------------------------------------
4347
4348 void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
4349 {
4350 // update our idea of which lines are shown when we redraw the window the
4351 // next time
4352 ResetVisibleLinesRange();
4353
4354 if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
4355 {
4356 wxGenericListCtrl* lc = GetListCtrl();
4357 wxCHECK_RET( lc, wxT("no listctrl window?") );
4358
4359 if (lc->m_headerWin) // when we use wxLC_NO_HEADER, m_headerWin==NULL
4360 {
4361 lc->m_headerWin->Refresh();
4362 lc->m_headerWin->Update();
4363 }
4364 }
4365 }
4366
4367 int wxListMainWindow::GetCountPerPage() const
4368 {
4369 if ( !m_linesPerPage )
4370 {
4371 wxConstCast(this, wxListMainWindow)->
4372 m_linesPerPage = GetClientSize().y / GetLineHeight();
4373 }
4374
4375 return m_linesPerPage;
4376 }
4377
4378 void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to)
4379 {
4380 wxASSERT_MSG( InReportView(), wxT("this is for report mode only") );
4381
4382 if ( m_lineFrom == (size_t)-1 )
4383 {
4384 size_t count = GetItemCount();
4385 if ( count )
4386 {
4387 m_lineFrom = GetListCtrl()->GetScrollPos(wxVERTICAL);
4388
4389 // this may happen if SetScrollbars() hadn't been called yet
4390 if ( m_lineFrom >= count )
4391 m_lineFrom = count - 1;
4392
4393 // we redraw one extra line but this is needed to make the redrawing
4394 // logic work when there is a fractional number of lines on screen
4395 m_lineTo = m_lineFrom + m_linesPerPage;
4396 if ( m_lineTo >= count )
4397 m_lineTo = count - 1;
4398 }
4399 else // empty control
4400 {
4401 m_lineFrom = 0;
4402 m_lineTo = (size_t)-1;
4403 }
4404 }
4405
4406 wxASSERT_MSG( IsEmpty() ||
4407 (m_lineFrom <= m_lineTo && m_lineTo < GetItemCount()),
4408 wxT("GetVisibleLinesRange() returns incorrect result") );
4409
4410 if ( from )
4411 *from = m_lineFrom;
4412 if ( to )
4413 *to = m_lineTo;
4414 }
4415
4416 size_t
4417 wxListMainWindow::PrefixFindItem(size_t idParent,
4418 const wxString& prefixOrig) const
4419 {
4420 // if no items then just return
4421 if ( idParent == (size_t)-1 )
4422 return idParent;
4423
4424 // match is case insensitive as this is more convenient to the user: having
4425 // to press Shift-letter to go to the item starting with a capital letter
4426 // would be too bothersome
4427 wxString prefix = prefixOrig.Lower();
4428
4429 // determine the starting point: we shouldn't take the current item (this
4430 // allows to switch between two items starting with the same letter just by
4431 // pressing it) but we shouldn't jump to the next one if the user is
4432 // continuing to type as otherwise he might easily skip the item he wanted
4433 size_t itemid = idParent;
4434 if ( prefix.length() == 1 )
4435 {
4436 itemid += 1;
4437 }
4438
4439 // look for the item starting with the given prefix after it
4440 while ( ( itemid < (size_t)GetItemCount() ) &&
4441 !GetLine(itemid)->GetText(0).Lower().StartsWith(prefix) )
4442 {
4443 itemid += 1;
4444 }
4445
4446 // if we haven't found anything...
4447 if ( !( itemid < (size_t)GetItemCount() ) )
4448 {
4449 // ... wrap to the beginning
4450 itemid = 0;
4451
4452 // and try all the items (stop when we get to the one we started from)
4453 while ( ( itemid < (size_t)GetItemCount() ) && itemid != idParent &&
4454 !GetLine(itemid)->GetText(0).Lower().StartsWith(prefix) )
4455 {
4456 itemid += 1;
4457 }
4458 // If we haven't found the item, id will be (size_t)-1, as per
4459 // documentation
4460 if ( !( itemid < (size_t)GetItemCount() ) ||
4461 ( ( itemid == idParent ) &&
4462 !GetLine(itemid)->GetText(0).Lower().StartsWith(prefix) ) )
4463 {
4464 itemid = (size_t)-1;
4465 }
4466 }
4467
4468 return itemid;
4469 }
4470
4471 // -------------------------------------------------------------------------------------
4472 // wxGenericListCtrl
4473 // -------------------------------------------------------------------------------------
4474
4475 IMPLEMENT_DYNAMIC_CLASS(wxGenericListCtrl, wxControl)
4476
4477 BEGIN_EVENT_TABLE(wxGenericListCtrl,wxListCtrlBase)
4478 EVT_SIZE(wxGenericListCtrl::OnSize)
4479 EVT_SCROLLWIN(wxGenericListCtrl::OnScroll)
4480 END_EVENT_TABLE()
4481
4482 void wxGenericListCtrl::Init()
4483 {
4484 m_imageListNormal = NULL;
4485 m_imageListSmall = NULL;
4486 m_imageListState = NULL;
4487
4488 m_ownsImageListNormal =
4489 m_ownsImageListSmall =
4490 m_ownsImageListState = false;
4491
4492 m_mainWin = NULL;
4493 m_headerWin = NULL;
4494 }
4495
4496 wxGenericListCtrl::~wxGenericListCtrl()
4497 {
4498 if (m_ownsImageListNormal)
4499 delete m_imageListNormal;
4500 if (m_ownsImageListSmall)
4501 delete m_imageListSmall;
4502 if (m_ownsImageListState)
4503 delete m_imageListState;
4504 }
4505
4506 void wxGenericListCtrl::CreateOrDestroyHeaderWindowAsNeeded()
4507 {
4508 bool needs_header = HasHeader();
4509 bool has_header = (m_headerWin != NULL);
4510
4511 if (needs_header == has_header)
4512 return;
4513
4514 if (needs_header)
4515 {
4516 // Notice that we must initialize m_headerWin first, and create the
4517 // real window only later, so that the test in the beginning of the
4518 // function blocks repeated creation of the header as it could happen
4519 // before via wxNavigationEnabled::AddChild() -> ToggleWindowStyle() ->
4520 // SetWindowStyleFlag().
4521 m_headerWin = new wxListHeaderWindow();
4522 m_headerWin->Create
4523 (
4524 this, wxID_ANY, m_mainWin,
4525 wxPoint(0,0),
4526 wxSize
4527 (
4528 GetClientSize().x,
4529 wxRendererNative::Get().GetHeaderButtonHeight(this)
4530 ),
4531 wxTAB_TRAVERSAL
4532 );
4533
4534 #if defined( __WXMAC__ )
4535 static wxFont font( wxOSX_SYSTEM_FONT_SMALL );
4536 m_headerWin->SetFont( font );
4537 #endif
4538
4539 GetSizer()->Prepend( m_headerWin, 0, wxGROW );
4540 }
4541 else
4542 {
4543 GetSizer()->Detach( m_headerWin );
4544
4545 wxDELETE(m_headerWin);
4546 }
4547 }
4548
4549 bool wxGenericListCtrl::Create(wxWindow *parent,
4550 wxWindowID id,
4551 const wxPoint &pos,
4552 const wxSize &size,
4553 long style,
4554 const wxValidator &validator,
4555 const wxString &name)
4556 {
4557 Init();
4558
4559 // just like in other ports, an assert will fail if the user doesn't give any type style:
4560 wxASSERT_MSG( (style & wxLC_MASK_TYPE),
4561 wxT("wxListCtrl style should have exactly one mode bit set") );
4562
4563 if ( !wxListCtrlBase::Create( parent, id, pos, size,
4564 style | wxVSCROLL | wxHSCROLL,
4565 validator, name ) )
4566 return false;
4567
4568 m_mainWin = new wxListMainWindow(this, wxID_ANY, wxPoint(0, 0), size);
4569
4570 SetTargetWindow( m_mainWin );
4571
4572 // We use the cursor keys for moving the selection, not scrolling, so call
4573 // this method to ensure wxScrollHelperEvtHandler doesn't catch all
4574 // keyboard events forwarded to us from wxListMainWindow.
4575 DisableKeyboardScrolling();
4576
4577 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
4578 sizer->Add( m_mainWin, 1, wxGROW );
4579 SetSizer( sizer );
4580
4581 CreateOrDestroyHeaderWindowAsNeeded();
4582
4583 SetInitialSize(size);
4584
4585 return true;
4586 }
4587
4588 wxBorder wxGenericListCtrl::GetDefaultBorder() const
4589 {
4590 return wxBORDER_THEME;
4591 }
4592
4593 #if defined(__WXMSW__) && !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
4594 WXLRESULT wxGenericListCtrl::MSWWindowProc(WXUINT nMsg,
4595 WXWPARAM wParam,
4596 WXLPARAM lParam)
4597 {
4598 WXLRESULT rc = wxListCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
4599
4600 // we need to process arrows ourselves for scrolling
4601 if ( nMsg == WM_GETDLGCODE )
4602 {
4603 rc |= DLGC_WANTARROWS;
4604 }
4605
4606 return rc;
4607 }
4608 #endif // __WXMSW__
4609
4610 wxSize wxGenericListCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
4611 {
4612 wxSize newsize = size;
4613 if (m_headerWin)
4614 newsize.y -= m_headerWin->GetSize().y;
4615
4616 return newsize;
4617 }
4618
4619 void wxGenericListCtrl::OnScroll(wxScrollWinEvent& event)
4620 {
4621 // update our idea of which lines are shown when we redraw
4622 // the window the next time
4623 m_mainWin->ResetVisibleLinesRange();
4624
4625 if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
4626 {
4627 m_headerWin->Refresh();
4628 m_headerWin->Update();
4629 }
4630
4631 // Let the window be scrolled as usual by the default handler.
4632 event.Skip();
4633 }
4634
4635 void wxGenericListCtrl::SetSingleStyle( long style, bool add )
4636 {
4637 wxASSERT_MSG( !(style & wxLC_VIRTUAL),
4638 wxT("wxLC_VIRTUAL can't be [un]set") );
4639
4640 long flag = GetWindowStyle();
4641
4642 if (add)
4643 {
4644 if (style & wxLC_MASK_TYPE)
4645 flag &= ~(wxLC_MASK_TYPE | wxLC_VIRTUAL);
4646 if (style & wxLC_MASK_ALIGN)
4647 flag &= ~wxLC_MASK_ALIGN;
4648 if (style & wxLC_MASK_SORT)
4649 flag &= ~wxLC_MASK_SORT;
4650 }
4651
4652 if (add)
4653 flag |= style;
4654 else
4655 flag &= ~style;
4656
4657 // some styles can be set without recreating everything (as happens in
4658 // SetWindowStyleFlag() which calls wxListMainWindow::DeleteEverything())
4659 if ( !(style & ~(wxLC_HRULES | wxLC_VRULES)) )
4660 {
4661 Refresh();
4662 wxWindow::SetWindowStyleFlag(flag);
4663 }
4664 else
4665 {
4666 SetWindowStyleFlag( flag );
4667 }
4668 }
4669
4670 void wxGenericListCtrl::SetWindowStyleFlag( long flag )
4671 {
4672 // we add wxHSCROLL and wxVSCROLL in ctor unconditionally and it never
4673 // makes sense to remove them as we'll always add scrollbars anyhow when
4674 // needed
4675 flag |= wxHSCROLL | wxVSCROLL;
4676
4677 const bool wasInReportView = HasFlag(wxLC_REPORT);
4678
4679 // update the window style first so that the header is created or destroyed
4680 // corresponding to the new style
4681 wxWindow::SetWindowStyleFlag( flag );
4682
4683 if (m_mainWin)
4684 {
4685 const bool inReportView = (flag & wxLC_REPORT) != 0;
4686 if ( inReportView != wasInReportView )
4687 {
4688 // we need to notify the main window about this change as it must
4689 // update its data structures
4690 m_mainWin->SetReportView(inReportView);
4691 }
4692
4693 // m_mainWin->DeleteEverything(); wxMSW doesn't do that
4694
4695 CreateOrDestroyHeaderWindowAsNeeded();
4696
4697 GetSizer()->Layout();
4698 }
4699 }
4700
4701 bool wxGenericListCtrl::GetColumn(int col, wxListItem &item) const
4702 {
4703 m_mainWin->GetColumn( col, item );
4704 return true;
4705 }
4706
4707 bool wxGenericListCtrl::SetColumn( int col, const wxListItem& item )
4708 {
4709 m_mainWin->SetColumn( col, item );
4710 return true;
4711 }
4712
4713 int wxGenericListCtrl::GetColumnWidth( int col ) const
4714 {
4715 return m_mainWin->GetColumnWidth( col );
4716 }
4717
4718 bool wxGenericListCtrl::SetColumnWidth( int col, int width )
4719 {
4720 m_mainWin->SetColumnWidth( col, width );
4721 return true;
4722 }
4723
4724 int wxGenericListCtrl::GetCountPerPage() const
4725 {
4726 return m_mainWin->GetCountPerPage(); // different from Windows ?
4727 }
4728
4729 bool wxGenericListCtrl::GetItem( wxListItem &info ) const
4730 {
4731 m_mainWin->GetItem( info );
4732 return true;
4733 }
4734
4735 bool wxGenericListCtrl::SetItem( wxListItem &info )
4736 {
4737 m_mainWin->SetItem( info );
4738 return true;
4739 }
4740
4741 long wxGenericListCtrl::SetItem( long index, int col, const wxString& label, int imageId )
4742 {
4743 wxListItem info;
4744 info.m_text = label;
4745 info.m_mask = wxLIST_MASK_TEXT;
4746 info.m_itemId = index;
4747 info.m_col = col;
4748 if ( imageId > -1 )
4749 {
4750 info.m_image = imageId;
4751 info.m_mask |= wxLIST_MASK_IMAGE;
4752 }
4753
4754 m_mainWin->SetItem(info);
4755 return true;
4756 }
4757
4758 int wxGenericListCtrl::GetItemState( long item, long stateMask ) const
4759 {
4760 return m_mainWin->GetItemState( item, stateMask );
4761 }
4762
4763 bool wxGenericListCtrl::SetItemState( long item, long state, long stateMask )
4764 {
4765 m_mainWin->SetItemState( item, state, stateMask );
4766 return true;
4767 }
4768
4769 bool
4770 wxGenericListCtrl::SetItemImage( long item, int image, int WXUNUSED(selImage) )
4771 {
4772 return SetItemColumnImage(item, 0, image);
4773 }
4774
4775 bool
4776 wxGenericListCtrl::SetItemColumnImage( long item, long column, int image )
4777 {
4778 wxListItem info;
4779 info.m_image = image;
4780 info.m_mask = wxLIST_MASK_IMAGE;
4781 info.m_itemId = item;
4782 info.m_col = column;
4783 m_mainWin->SetItem( info );
4784 return true;
4785 }
4786
4787 wxString wxGenericListCtrl::GetItemText( long item, int col ) const
4788 {
4789 return m_mainWin->GetItemText(item, col);
4790 }
4791
4792 void wxGenericListCtrl::SetItemText( long item, const wxString& str )
4793 {
4794 m_mainWin->SetItemText(item, str);
4795 }
4796
4797 wxUIntPtr wxGenericListCtrl::GetItemData( long item ) const
4798 {
4799 wxListItem info;
4800 info.m_mask = wxLIST_MASK_DATA;
4801 info.m_itemId = item;
4802 m_mainWin->GetItem( info );
4803 return info.m_data;
4804 }
4805
4806 bool wxGenericListCtrl::SetItemPtrData( long item, wxUIntPtr data )
4807 {
4808 wxListItem info;
4809 info.m_mask = wxLIST_MASK_DATA;
4810 info.m_itemId = item;
4811 info.m_data = data;
4812 m_mainWin->SetItem( info );
4813 return true;
4814 }
4815
4816 wxRect wxGenericListCtrl::GetViewRect() const
4817 {
4818 return m_mainWin->GetViewRect();
4819 }
4820
4821 bool wxGenericListCtrl::GetItemRect(long item, wxRect& rect, int code) const
4822 {
4823 return GetSubItemRect(item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code);
4824 }
4825
4826 bool wxGenericListCtrl::GetSubItemRect(long item,
4827 long subItem,
4828 wxRect& rect,
4829 int WXUNUSED(code)) const
4830 {
4831 if ( !m_mainWin->GetSubItemRect( item, subItem, rect ) )
4832 return false;
4833
4834 if ( m_mainWin->HasHeader() )
4835 rect.y += m_headerWin->GetSize().y + 1;
4836
4837 return true;
4838 }
4839
4840 bool wxGenericListCtrl::GetItemPosition( long item, wxPoint& pos ) const
4841 {
4842 m_mainWin->GetItemPosition( item, pos );
4843 return true;
4844 }
4845
4846 bool wxGenericListCtrl::SetItemPosition( long WXUNUSED(item), const wxPoint& WXUNUSED(pos) )
4847 {
4848 return false;
4849 }
4850
4851 int wxGenericListCtrl::GetItemCount() const
4852 {
4853 return m_mainWin->GetItemCount();
4854 }
4855
4856 int wxGenericListCtrl::GetColumnCount() const
4857 {
4858 return m_mainWin->GetColumnCount();
4859 }
4860
4861 void wxGenericListCtrl::SetItemSpacing( int spacing, bool isSmall )
4862 {
4863 m_mainWin->SetItemSpacing( spacing, isSmall );
4864 }
4865
4866 wxSize wxGenericListCtrl::GetItemSpacing() const
4867 {
4868 const int spacing = m_mainWin->GetItemSpacing(HasFlag(wxLC_SMALL_ICON));
4869
4870 return wxSize(spacing, spacing);
4871 }
4872
4873 #if WXWIN_COMPATIBILITY_2_6
4874 int wxGenericListCtrl::GetItemSpacing( bool isSmall ) const
4875 {
4876 return m_mainWin->GetItemSpacing( isSmall );
4877 }
4878 #endif // WXWIN_COMPATIBILITY_2_6
4879
4880 void wxGenericListCtrl::SetItemTextColour( long item, const wxColour &col )
4881 {
4882 wxListItem info;
4883 info.m_itemId = item;
4884 info.SetTextColour( col );
4885 m_mainWin->SetItem( info );
4886 }
4887
4888 wxColour wxGenericListCtrl::GetItemTextColour( long item ) const
4889 {
4890 wxListItem info;
4891 info.m_itemId = item;
4892 m_mainWin->GetItem( info );
4893 return info.GetTextColour();
4894 }
4895
4896 void wxGenericListCtrl::SetItemBackgroundColour( long item, const wxColour &col )
4897 {
4898 wxListItem info;
4899 info.m_itemId = item;
4900 info.SetBackgroundColour( col );
4901 m_mainWin->SetItem( info );
4902 }
4903
4904 wxColour wxGenericListCtrl::GetItemBackgroundColour( long item ) const
4905 {
4906 wxListItem info;
4907 info.m_itemId = item;
4908 m_mainWin->GetItem( info );
4909 return info.GetBackgroundColour();
4910 }
4911
4912 void wxGenericListCtrl::SetItemFont( long item, const wxFont &f )
4913 {
4914 wxListItem info;
4915 info.m_itemId = item;
4916 info.SetFont( f );
4917 m_mainWin->SetItem( info );
4918 }
4919
4920 wxFont wxGenericListCtrl::GetItemFont( long item ) const
4921 {
4922 wxListItem info;
4923 info.m_itemId = item;
4924 m_mainWin->GetItem( info );
4925 return info.GetFont();
4926 }
4927
4928 int wxGenericListCtrl::GetSelectedItemCount() const
4929 {
4930 return m_mainWin->GetSelectedItemCount();
4931 }
4932
4933 wxColour wxGenericListCtrl::GetTextColour() const
4934 {
4935 return GetForegroundColour();
4936 }
4937
4938 void wxGenericListCtrl::SetTextColour(const wxColour& col)
4939 {
4940 SetForegroundColour(col);
4941 }
4942
4943 long wxGenericListCtrl::GetTopItem() const
4944 {
4945 size_t top;
4946 m_mainWin->GetVisibleLinesRange(&top, NULL);
4947 return (long)top;
4948 }
4949
4950 long wxGenericListCtrl::GetNextItem( long item, int geom, int state ) const
4951 {
4952 return m_mainWin->GetNextItem( item, geom, state );
4953 }
4954
4955 wxImageList *wxGenericListCtrl::GetImageList(int which) const
4956 {
4957 if (which == wxIMAGE_LIST_NORMAL)
4958 return m_imageListNormal;
4959 else if (which == wxIMAGE_LIST_SMALL)
4960 return m_imageListSmall;
4961 else if (which == wxIMAGE_LIST_STATE)
4962 return m_imageListState;
4963
4964 return NULL;
4965 }
4966
4967 void wxGenericListCtrl::SetImageList( wxImageList *imageList, int which )
4968 {
4969 if ( which == wxIMAGE_LIST_NORMAL )
4970 {
4971 if (m_ownsImageListNormal)
4972 delete m_imageListNormal;
4973 m_imageListNormal = imageList;
4974 m_ownsImageListNormal = false;
4975 }
4976 else if ( which == wxIMAGE_LIST_SMALL )
4977 {
4978 if (m_ownsImageListSmall)
4979 delete m_imageListSmall;
4980 m_imageListSmall = imageList;
4981 m_ownsImageListSmall = false;
4982 }
4983 else if ( which == wxIMAGE_LIST_STATE )
4984 {
4985 if (m_ownsImageListState)
4986 delete m_imageListState;
4987 m_imageListState = imageList;
4988 m_ownsImageListState = false;
4989 }
4990
4991 m_mainWin->SetImageList( imageList, which );
4992 }
4993
4994 void wxGenericListCtrl::AssignImageList(wxImageList *imageList, int which)
4995 {
4996 SetImageList(imageList, which);
4997 if ( which == wxIMAGE_LIST_NORMAL )
4998 m_ownsImageListNormal = true;
4999 else if ( which == wxIMAGE_LIST_SMALL )
5000 m_ownsImageListSmall = true;
5001 else if ( which == wxIMAGE_LIST_STATE )
5002 m_ownsImageListState = true;
5003 }
5004
5005 bool wxGenericListCtrl::Arrange( int WXUNUSED(flag) )
5006 {
5007 return 0;
5008 }
5009
5010 bool wxGenericListCtrl::DeleteItem( long item )
5011 {
5012 m_mainWin->DeleteItem( item );
5013 return true;
5014 }
5015
5016 bool wxGenericListCtrl::DeleteAllItems()
5017 {
5018 m_mainWin->DeleteAllItems();
5019 return true;
5020 }
5021
5022 bool wxGenericListCtrl::DeleteAllColumns()
5023 {
5024 size_t count = m_mainWin->m_columns.GetCount();
5025 for ( size_t n = 0; n < count; n++ )
5026 DeleteColumn( 0 );
5027 return true;
5028 }
5029
5030 void wxGenericListCtrl::ClearAll()
5031 {
5032 m_mainWin->DeleteEverything();
5033 }
5034
5035 bool wxGenericListCtrl::DeleteColumn( int col )
5036 {
5037 m_mainWin->DeleteColumn( col );
5038
5039 // if we don't have the header any longer, we need to relayout the window
5040 // if ( !GetColumnCount() )
5041
5042
5043 // Ensure that the non-existent columns are really removed from display.
5044 Refresh();
5045
5046 return true;
5047 }
5048
5049 wxTextCtrl *wxGenericListCtrl::EditLabel(long item,
5050 wxClassInfo* textControlClass)
5051 {
5052 return m_mainWin->EditLabel( item, textControlClass );
5053 }
5054
5055 wxTextCtrl *wxGenericListCtrl::GetEditControl() const
5056 {
5057 return m_mainWin->GetEditControl();
5058 }
5059
5060 bool wxGenericListCtrl::EnsureVisible( long item )
5061 {
5062 m_mainWin->EnsureVisible( item );
5063 return true;
5064 }
5065
5066 long wxGenericListCtrl::FindItem( long start, const wxString& str, bool partial )
5067 {
5068 return m_mainWin->FindItem( start, str, partial );
5069 }
5070
5071 long wxGenericListCtrl::FindItem( long start, wxUIntPtr data )
5072 {
5073 return m_mainWin->FindItem( start, data );
5074 }
5075
5076 long wxGenericListCtrl::FindItem( long WXUNUSED(start), const wxPoint& pt,
5077 int WXUNUSED(direction))
5078 {
5079 return m_mainWin->FindItem( pt );
5080 }
5081
5082 // TODO: sub item hit testing
5083 long wxGenericListCtrl::HitTest(const wxPoint& point, int& flags, long *) const
5084 {
5085 return m_mainWin->HitTest( (int)point.x, (int)point.y, flags );
5086 }
5087
5088 long wxGenericListCtrl::InsertItem( wxListItem& info )
5089 {
5090 m_mainWin->InsertItem( info );
5091 return info.m_itemId;
5092 }
5093
5094 long wxGenericListCtrl::InsertItem( long index, const wxString &label )
5095 {
5096 wxListItem info;
5097 info.m_text = label;
5098 info.m_mask = wxLIST_MASK_TEXT;
5099 info.m_itemId = index;
5100 return InsertItem( info );
5101 }
5102
5103 long wxGenericListCtrl::InsertItem( long index, int imageIndex )
5104 {
5105 wxListItem info;
5106 info.m_mask = wxLIST_MASK_IMAGE;
5107 info.m_image = imageIndex;
5108 info.m_itemId = index;
5109 return InsertItem( info );
5110 }
5111
5112 long wxGenericListCtrl::InsertItem( long index, const wxString &label, int imageIndex )
5113 {
5114 wxListItem info;
5115 info.m_text = label;
5116 info.m_image = imageIndex;
5117 info.m_mask = wxLIST_MASK_TEXT;
5118 if (imageIndex > -1)
5119 info.m_mask |= wxLIST_MASK_IMAGE;
5120 info.m_itemId = index;
5121 return InsertItem( info );
5122 }
5123
5124 long wxGenericListCtrl::DoInsertColumn( long col, const wxListItem &item )
5125 {
5126 wxCHECK_MSG( InReportView(), -1, wxT("can't add column in non report mode") );
5127
5128 long idx = m_mainWin->InsertColumn( col, item );
5129
5130 // NOTE: if wxLC_NO_HEADER was given, then we are in report view mode but
5131 // still have m_headerWin==NULL
5132 if (m_headerWin)
5133 m_headerWin->Refresh();
5134
5135 return idx;
5136 }
5137
5138 bool wxGenericListCtrl::ScrollList( int dx, int dy )
5139 {
5140 return m_mainWin->ScrollList(dx, dy);
5141 }
5142
5143 // Sort items.
5144 // fn is a function which takes 3 long arguments: item1, item2, data.
5145 // item1 is the long data associated with a first item (NOT the index).
5146 // item2 is the long data associated with a second item (NOT the index).
5147 // data is the same value as passed to SortItems.
5148 // The return value is a negative number if the first item should precede the second
5149 // item, a positive number of the second item should precede the first,
5150 // or zero if the two items are equivalent.
5151 // data is arbitrary data to be passed to the sort function.
5152
5153 bool wxGenericListCtrl::SortItems( wxListCtrlCompare fn, wxIntPtr data )
5154 {
5155 m_mainWin->SortItems( fn, data );
5156 return true;
5157 }
5158
5159 // ----------------------------------------------------------------------------
5160 // event handlers
5161 // ----------------------------------------------------------------------------
5162
5163 void wxGenericListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
5164 {
5165 if (!m_mainWin) return;
5166
5167 // We need to override OnSize so that our scrolled
5168 // window a) does call Layout() to use sizers for
5169 // positioning the controls but b) does not query
5170 // the sizer for their size and use that for setting
5171 // the scrollable area as set that ourselves by
5172 // calling SetScrollbar() further down.
5173
5174 Layout();
5175
5176 m_mainWin->RecalculatePositions();
5177
5178 AdjustScrollbars();
5179 }
5180
5181 void wxGenericListCtrl::OnInternalIdle()
5182 {
5183 wxWindow::OnInternalIdle();
5184
5185 if (m_mainWin->m_dirty)
5186 m_mainWin->RecalculatePositions();
5187 }
5188
5189 // ----------------------------------------------------------------------------
5190 // font/colours
5191 // ----------------------------------------------------------------------------
5192
5193 bool wxGenericListCtrl::SetBackgroundColour( const wxColour &colour )
5194 {
5195 if (m_mainWin)
5196 {
5197 m_mainWin->SetBackgroundColour( colour );
5198 m_mainWin->m_dirty = true;
5199 }
5200
5201 return true;
5202 }
5203
5204 bool wxGenericListCtrl::SetForegroundColour( const wxColour &colour )
5205 {
5206 if ( !wxWindow::SetForegroundColour( colour ) )
5207 return false;
5208
5209 if (m_mainWin)
5210 {
5211 m_mainWin->SetForegroundColour( colour );
5212 m_mainWin->m_dirty = true;
5213 }
5214
5215 if (m_headerWin)
5216 m_headerWin->SetForegroundColour( colour );
5217
5218 return true;
5219 }
5220
5221 bool wxGenericListCtrl::SetFont( const wxFont &font )
5222 {
5223 if ( !wxWindow::SetFont( font ) )
5224 return false;
5225
5226 if (m_mainWin)
5227 {
5228 m_mainWin->SetFont( font );
5229 m_mainWin->m_dirty = true;
5230 }
5231
5232 if (m_headerWin)
5233 {
5234 m_headerWin->SetFont( font );
5235 // CalculateAndSetHeaderHeight();
5236 }
5237
5238 Refresh();
5239
5240 return true;
5241 }
5242
5243 // static
5244 wxVisualAttributes
5245 wxGenericListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
5246 {
5247 #if _USE_VISATTR
5248 // Use the same color scheme as wxListBox
5249 return wxListBox::GetClassDefaultAttributes(variant);
5250 #else
5251 wxUnusedVar(variant);
5252 wxVisualAttributes attr;
5253 attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXTEXT);
5254 attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX);
5255 attr.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
5256 return attr;
5257 #endif
5258 }
5259
5260 // ----------------------------------------------------------------------------
5261 // methods forwarded to m_mainWin
5262 // ----------------------------------------------------------------------------
5263
5264 #if wxUSE_DRAG_AND_DROP
5265
5266 void wxGenericListCtrl::SetDropTarget( wxDropTarget *dropTarget )
5267 {
5268 m_mainWin->SetDropTarget( dropTarget );
5269 }
5270
5271 wxDropTarget *wxGenericListCtrl::GetDropTarget() const
5272 {
5273 return m_mainWin->GetDropTarget();
5274 }
5275
5276 #endif
5277
5278 bool wxGenericListCtrl::SetCursor( const wxCursor &cursor )
5279 {
5280 return m_mainWin ? m_mainWin->wxWindow::SetCursor(cursor) : false;
5281 }
5282
5283 wxColour wxGenericListCtrl::GetBackgroundColour() const
5284 {
5285 return m_mainWin ? m_mainWin->GetBackgroundColour() : wxColour();
5286 }
5287
5288 wxColour wxGenericListCtrl::GetForegroundColour() const
5289 {
5290 return m_mainWin ? m_mainWin->GetForegroundColour() : wxColour();
5291 }
5292
5293 bool wxGenericListCtrl::DoPopupMenu( wxMenu *menu, int x, int y )
5294 {
5295 #if wxUSE_MENUS
5296 return m_mainWin->PopupMenu( menu, x, y );
5297 #else
5298 return false;
5299 #endif
5300 }
5301
5302 wxSize wxGenericListCtrl::DoGetBestClientSize() const
5303 {
5304 // The base class version can compute the best size in report view only.
5305 wxSize sizeBest = wxListCtrlBase::DoGetBestClientSize();
5306
5307 if ( !InReportView() )
5308 {
5309 // Ensure that our minimal width is at least big enough to show all our
5310 // items. This is important for wxListbook to size itself correctly.
5311
5312 // Remember the offset of the first item: this corresponds to the
5313 // margins around the item so we will add it to the minimal size below
5314 // to ensure that we have equal margins on all sides.
5315 wxPoint ofs;
5316
5317 // We can iterate over all items as there shouldn't be too many of them
5318 // in non-report view. If it ever becomes a problem, we could examine
5319 // just the first few items probably, the determination of the best
5320 // size is less important if we will need scrollbars anyhow.
5321 for ( int n = 0; n < GetItemCount(); n++ )
5322 {
5323 const wxRect itemRect = m_mainWin->GetLineRect(n);
5324 if ( !n )
5325 {
5326 // Remember the position of the first item as all the rest are
5327 // offset by at least this number of pixels too.
5328 ofs = itemRect.GetPosition();
5329 }
5330
5331 sizeBest.IncTo(itemRect.GetSize());
5332 }
5333
5334 sizeBest.IncBy(2*ofs);
5335
5336
5337 // If we have the scrollbars we need to account for them too. And to
5338 // make sure the scrollbars status is up to date we need to call this
5339 // function to set them.
5340 m_mainWin->RecalculatePositions(true /* no refresh */);
5341
5342 // Unfortunately we can't use wxWindow::HasScrollbar() here as we need
5343 // to use m_mainWin client/virtual size for determination of whether we
5344 // use scrollbars and not the size of this window itself. Maybe that
5345 // function should be extended to work correctly in the case when our
5346 // scrollbars manage a different window from this one but currently it
5347 // doesn't work.
5348 const wxSize sizeClient = m_mainWin->GetClientSize();
5349 const wxSize sizeVirt = m_mainWin->GetVirtualSize();
5350
5351 if ( sizeVirt.x > sizeClient.x /* HasScrollbar(wxHORIZONTAL) */ )
5352 sizeBest.y += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
5353
5354 if ( sizeVirt.y > sizeClient.y /* HasScrollbar(wxVERTICAL) */ )
5355 sizeBest.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
5356 }
5357
5358 return sizeBest;
5359 }
5360
5361 // ----------------------------------------------------------------------------
5362 // virtual list control support
5363 // ----------------------------------------------------------------------------
5364
5365 wxString wxGenericListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
5366 {
5367 // this is a pure virtual function, in fact - which is not really pure
5368 // because the controls which are not virtual don't need to implement it
5369 wxFAIL_MSG( wxT("wxGenericListCtrl::OnGetItemText not supposed to be called") );
5370
5371 return wxEmptyString;
5372 }
5373
5374 int wxGenericListCtrl::OnGetItemImage(long WXUNUSED(item)) const
5375 {
5376 wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL),
5377 -1,
5378 wxT("List control has an image list, OnGetItemImage or OnGetItemColumnImage should be overridden."));
5379 return -1;
5380 }
5381
5382 int wxGenericListCtrl::OnGetItemColumnImage(long item, long column) const
5383 {
5384 if (!column)
5385 return OnGetItemImage(item);
5386
5387 return -1;
5388 }
5389
5390 void wxGenericListCtrl::SetItemCount(long count)
5391 {
5392 wxASSERT_MSG( IsVirtual(), wxT("this is for virtual controls only") );
5393
5394 m_mainWin->SetItemCount(count);
5395 }
5396
5397 void wxGenericListCtrl::RefreshItem(long item)
5398 {
5399 m_mainWin->RefreshLine(item);
5400 }
5401
5402 void wxGenericListCtrl::RefreshItems(long itemFrom, long itemTo)
5403 {
5404 m_mainWin->RefreshLines(itemFrom, itemTo);
5405 }
5406
5407 void wxGenericListCtrl::EnableBellOnNoMatch( bool on )
5408 {
5409 m_mainWin->EnableBellOnNoMatch(on);
5410 }
5411
5412 // Generic wxListCtrl is more or less a container for two other
5413 // windows which drawings are done upon. These are namely
5414 // 'm_headerWin' and 'm_mainWin'.
5415 // Here we override 'virtual wxWindow::Refresh()' to mimic the
5416 // behaviour wxListCtrl has under wxMSW.
5417 //
5418 void wxGenericListCtrl::Refresh(bool eraseBackground, const wxRect *rect)
5419 {
5420 if (!rect)
5421 {
5422 // The easy case, no rectangle specified.
5423 if (m_headerWin)
5424 m_headerWin->Refresh(eraseBackground);
5425
5426 if (m_mainWin)
5427 m_mainWin->Refresh(eraseBackground);
5428 }
5429 else
5430 {
5431 // Refresh the header window
5432 if (m_headerWin)
5433 {
5434 wxRect rectHeader = m_headerWin->GetRect();
5435 rectHeader.Intersect(*rect);
5436 if (rectHeader.GetWidth() && rectHeader.GetHeight())
5437 {
5438 int x, y;
5439 m_headerWin->GetPosition(&x, &y);
5440 rectHeader.Offset(-x, -y);
5441 m_headerWin->Refresh(eraseBackground, &rectHeader);
5442 }
5443 }
5444
5445 // Refresh the main window
5446 if (m_mainWin)
5447 {
5448 wxRect rectMain = m_mainWin->GetRect();
5449 rectMain.Intersect(*rect);
5450 if (rectMain.GetWidth() && rectMain.GetHeight())
5451 {
5452 int x, y;
5453 m_mainWin->GetPosition(&x, &y);
5454 rectMain.Offset(-x, -y);
5455 m_mainWin->Refresh(eraseBackground, &rectMain);
5456 }
5457 }
5458 }
5459 }
5460
5461 void wxGenericListCtrl::Update()
5462 {
5463 if ( m_mainWin )
5464 {
5465 if ( m_mainWin->m_dirty )
5466 m_mainWin->RecalculatePositions();
5467
5468 m_mainWin->Update();
5469 }
5470
5471 if ( m_headerWin )
5472 m_headerWin->Update();
5473 }
5474
5475 #endif // wxUSE_LISTCTRL