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warning fixes for BCC and OW (heavily modified patch 819146)
[wxWidgets.git] / src / generic / listctrl.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: 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 /*
12 TODO
13
14 1. we need to implement searching/sorting for virtual controls somehow
15 ?2. when changing selection the lines are refreshed twice
16 */
17
18 // ============================================================================
19 // declarations
20 // ============================================================================
21
22 // ----------------------------------------------------------------------------
23 // headers
24 // ----------------------------------------------------------------------------
25
26 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
27 #pragma implementation "listctrl.h"
28 #pragma implementation "listctrlbase.h"
29 #endif
30
31 // For compilers that support precompilation, includes "wx.h".
32 #include "wx/wxprec.h"
33
34 #ifdef __BORLANDC__
35 #pragma hdrstop
36 #endif
37
38 #if wxUSE_LISTCTRL
39
40 #ifndef WX_PRECOMP
41 #include "wx/app.h"
42
43 #include "wx/dynarray.h"
44
45 #include "wx/dcscreen.h"
46
47 #include "wx/textctrl.h"
48 #endif
49
50 // under Win32 we always use the native version and also may use the generic
51 // one, however some things should be done only if we use only the generic
52 // version
53 #if defined(__WIN32__) && !defined(__WXUNIVERSAL__)
54 #define HAVE_NATIVE_LISTCTRL
55 #endif
56
57 // if we have the native control, wx/listctrl.h declares it and not this one
58 #ifdef HAVE_NATIVE_LISTCTRL
59 #include "wx/generic/listctrl.h"
60 #else // !HAVE_NATIVE_LISTCTRL
61 #include "wx/listctrl.h"
62
63 // if we have a native version, its implementation file does all this
64 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
65 IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
66 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
67
68 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxGenericListCtrl)
69 #endif // HAVE_NATIVE_LISTCTRL/!HAVE_NATIVE_LISTCTRL
70
71 #include "wx/selstore.h"
72
73 #include "wx/renderer.h"
74
75 // ----------------------------------------------------------------------------
76 // events
77 // ----------------------------------------------------------------------------
78
79 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG)
80 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG)
81 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
82 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
83 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
84 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
85 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
86 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
87 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
88 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
89 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
90 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
91 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
92 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK)
93 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG)
94 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING)
95 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG)
96 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
97 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
98 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
99 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
100 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
101
102 // ----------------------------------------------------------------------------
103 // constants
104 // ----------------------------------------------------------------------------
105
106 // // the height of the header window (FIXME: should depend on its font!)
107 // static const int HEADER_HEIGHT = 23;
108
109 // the scrollbar units
110 static const int SCROLL_UNIT_X = 15;
111 static const int SCROLL_UNIT_Y = 15;
112
113 // the spacing between the lines (in report mode)
114 static const int LINE_SPACING = 0;
115
116 // extra margins around the text label
117 static const int EXTRA_WIDTH = 3;
118 static const int EXTRA_HEIGHT = 4;
119
120 // margin between the window and the items
121 static const int EXTRA_BORDER_X = 2;
122 static const int EXTRA_BORDER_Y = 2;
123
124 // offset for the header window
125 static const int HEADER_OFFSET_X = 1;
126 static const int HEADER_OFFSET_Y = 1;
127
128 // margin between rows of icons in [small] icon view
129 static const int MARGIN_BETWEEN_ROWS = 6;
130
131 // when autosizing the columns, add some slack
132 static const int AUTOSIZE_COL_MARGIN = 10;
133
134 // default and minimal widths for the header columns
135 static const int WIDTH_COL_DEFAULT = 80;
136 static const int WIDTH_COL_MIN = 10;
137
138 // the space between the image and the text in the report mode
139 static const int IMAGE_MARGIN_IN_REPORT_MODE = 5;
140
141 // ============================================================================
142 // private classes
143 // ============================================================================
144
145 //-----------------------------------------------------------------------------
146 // wxListItemData (internal)
147 //-----------------------------------------------------------------------------
148
149 class WXDLLEXPORT wxListItemData
150 {
151 public:
152 wxListItemData(wxListMainWindow *owner);
153 ~wxListItemData();
154
155 void SetItem( const wxListItem &info );
156 void SetImage( int image ) { m_image = image; }
157 void SetData( long data ) { m_data = data; }
158 void SetPosition( int x, int y );
159 void SetSize( int width, int height );
160
161 bool HasText() const { return !m_text.empty(); }
162 const wxString& GetText() const { return m_text; }
163 void SetText(const wxString& text) { m_text = text; }
164
165 // we can't use empty string for measuring the string width/height, so
166 // always return something
167 wxString GetTextForMeasuring() const
168 {
169 wxString s = GetText();
170 if ( s.empty() )
171 s = _T('H');
172
173 return s;
174 }
175
176 bool IsHit( int x, int y ) const;
177
178 int GetX() const;
179 int GetY() const;
180 int GetWidth() const;
181 int GetHeight() const;
182
183 int GetImage() const { return m_image; }
184 bool HasImage() const { return GetImage() != -1; }
185
186 void GetItem( wxListItem &info ) const;
187
188 void SetAttr(wxListItemAttr *attr) { m_attr = attr; }
189 wxListItemAttr *GetAttr() const { return m_attr; }
190
191 public:
192 // the item image or -1
193 int m_image;
194
195 // user data associated with the item
196 long m_data;
197
198 // the item coordinates are not used in report mode, instead this pointer
199 // is NULL and the owner window is used to retrieve the item position and
200 // size
201 wxRect *m_rect;
202
203 // the list ctrl we are in
204 wxListMainWindow *m_owner;
205
206 // custom attributes or NULL
207 wxListItemAttr *m_attr;
208
209 protected:
210 // common part of all ctors
211 void Init();
212
213 wxString m_text;
214 };
215
216 //-----------------------------------------------------------------------------
217 // wxListHeaderData (internal)
218 //-----------------------------------------------------------------------------
219
220 class WXDLLEXPORT wxListHeaderData : public wxObject
221 {
222 public:
223 wxListHeaderData();
224 wxListHeaderData( const wxListItem &info );
225 void SetItem( const wxListItem &item );
226 void SetPosition( int x, int y );
227 void SetWidth( int w );
228 void SetFormat( int format );
229 void SetHeight( int h );
230 bool HasImage() const;
231
232 bool HasText() const { return !m_text.empty(); }
233 const wxString& GetText() const { return m_text; }
234 void SetText(const wxString& text) { m_text = text; }
235
236 void GetItem( wxListItem &item );
237
238 bool IsHit( int x, int y ) const;
239 int GetImage() const;
240 int GetWidth() const;
241 int GetFormat() const;
242
243 protected:
244 long m_mask;
245 int m_image;
246 wxString m_text;
247 int m_format;
248 int m_width;
249 int m_xpos,
250 m_ypos;
251 int m_height;
252
253 private:
254 void Init();
255 };
256
257 //-----------------------------------------------------------------------------
258 // wxListLineData (internal)
259 //-----------------------------------------------------------------------------
260
261 WX_DECLARE_LIST(wxListItemData, wxListItemDataList);
262 #include "wx/listimpl.cpp"
263 WX_DEFINE_LIST(wxListItemDataList);
264
265 class wxListLineData
266 {
267 public:
268 // the list of subitems: only may have more than one item in report mode
269 wxListItemDataList m_items;
270
271 // this is not used in report view
272 struct GeometryInfo
273 {
274 // total item rect
275 wxRect m_rectAll;
276
277 // label only
278 wxRect m_rectLabel;
279
280 // icon only
281 wxRect m_rectIcon;
282
283 // the part to be highlighted
284 wxRect m_rectHighlight;
285
286 // extend all our rects to be centered inside theo ne of given width
287 void ExtendWidth(wxCoord w)
288 {
289 wxASSERT_MSG( m_rectAll.width <= w,
290 _T("width can only be increased") );
291
292 m_rectAll.width = w;
293 m_rectLabel.x = m_rectAll.x + (w - m_rectLabel.width)/2;
294 m_rectIcon.x = m_rectAll.x + (w - m_rectIcon.width)/2;
295 m_rectHighlight.x = m_rectAll.x + (w - m_rectHighlight.width)/2;
296 }
297 } *m_gi;
298
299 // is this item selected? [NB: not used in virtual mode]
300 bool m_highlighted;
301
302 // back pointer to the list ctrl
303 wxListMainWindow *m_owner;
304
305 public:
306 wxListLineData(wxListMainWindow *owner);
307
308 ~wxListLineData()
309 {
310 WX_CLEAR_LIST(wxListItemDataList, m_items);
311 delete m_gi;
312 }
313
314 // are we in report mode?
315 inline bool InReportView() const;
316
317 // are we in virtual report mode?
318 inline bool IsVirtual() const;
319
320 // these 2 methods shouldn't be called for report view controls, in that
321 // case we determine our position/size ourselves
322
323 // calculate the size of the line
324 void CalculateSize( wxDC *dc, int spacing );
325
326 // remember the position this line appears at
327 void SetPosition( int x, int y, int spacing );
328
329 // wxListCtrl API
330
331 void SetImage( int image ) { SetImage(0, image); }
332 int GetImage() const { return GetImage(0); }
333 bool HasImage() const { return GetImage() != -1; }
334 bool HasText() const { return !GetText(0).empty(); }
335
336 void SetItem( int index, const wxListItem &info );
337 void GetItem( int index, wxListItem &info );
338
339 wxString GetText(int index) const;
340 void SetText( int index, const wxString s );
341
342 wxListItemAttr *GetAttr() const;
343 void SetAttr(wxListItemAttr *attr);
344
345 // return true if the highlighting really changed
346 bool Highlight( bool on );
347
348 void ReverseHighlight();
349
350 bool IsHighlighted() const
351 {
352 wxASSERT_MSG( !IsVirtual(), _T("unexpected call to IsHighlighted") );
353
354 return m_highlighted;
355 }
356
357 // draw the line on the given DC in icon/list mode
358 void Draw( wxDC *dc );
359
360 // the same in report mode
361 void DrawInReportMode( wxDC *dc,
362 const wxRect& rect,
363 const wxRect& rectHL,
364 bool highlighted );
365
366 private:
367 // set the line to contain num items (only can be > 1 in report mode)
368 void InitItems( int num );
369
370 // get the mode (i.e. style) of the list control
371 inline int GetMode() const;
372
373 // prepare the DC for drawing with these item's attributes, return true if
374 // we need to draw the items background to highlight it, false otherwise
375 bool SetAttributes(wxDC *dc,
376 const wxListItemAttr *attr,
377 bool highlight);
378
379 // draw the text on the DC with the correct justification; also add an
380 // ellipsis if the text is too large to fit in the current width
381 void DrawTextFormatted(wxDC *dc, const wxString &text, int col, int x, int y, int width);
382
383 // these are only used by GetImage/SetImage above, we don't support images
384 // with subitems at the public API level yet
385 void SetImage( int index, int image );
386 int GetImage( int index ) const;
387 };
388
389 WX_DECLARE_EXPORTED_OBJARRAY(wxListLineData, wxListLineDataArray);
390 #include "wx/arrimpl.cpp"
391 WX_DEFINE_OBJARRAY(wxListLineDataArray);
392
393 //-----------------------------------------------------------------------------
394 // wxListHeaderWindow (internal)
395 //-----------------------------------------------------------------------------
396
397 class WXDLLEXPORT wxListHeaderWindow : public wxWindow
398 {
399 protected:
400 wxListMainWindow *m_owner;
401 wxCursor *m_currentCursor;
402 wxCursor *m_resizeCursor;
403 bool m_isDragging;
404
405 // column being resized or -1
406 int m_column;
407
408 // divider line position in logical (unscrolled) coords
409 int m_currentX;
410
411 // minimal position beyond which the divider line can't be dragged in
412 // logical coords
413 int m_minX;
414
415 public:
416 wxListHeaderWindow();
417
418 wxListHeaderWindow( wxWindow *win,
419 wxWindowID id,
420 wxListMainWindow *owner,
421 const wxPoint &pos = wxDefaultPosition,
422 const wxSize &size = wxDefaultSize,
423 long style = 0,
424 const wxString &name = wxT("wxlistctrlcolumntitles") );
425
426 virtual ~wxListHeaderWindow();
427
428 void DrawCurrent();
429 void AdjustDC(wxDC& dc);
430
431 void OnPaint( wxPaintEvent &event );
432 void OnMouse( wxMouseEvent &event );
433 void OnSetFocus( wxFocusEvent &event );
434
435 // needs refresh
436 bool m_dirty;
437
438 private:
439 // common part of all ctors
440 void Init();
441
442 // generate and process the list event of the given type, return true if
443 // it wasn't vetoed, i.e. if we should proceed
444 bool SendListEvent(wxEventType type, wxPoint pos);
445
446 DECLARE_DYNAMIC_CLASS(wxListHeaderWindow)
447 DECLARE_EVENT_TABLE()
448 };
449
450 //-----------------------------------------------------------------------------
451 // wxListRenameTimer (internal)
452 //-----------------------------------------------------------------------------
453
454 class WXDLLEXPORT wxListRenameTimer: public wxTimer
455 {
456 private:
457 wxListMainWindow *m_owner;
458
459 public:
460 wxListRenameTimer( wxListMainWindow *owner );
461 void Notify();
462 };
463
464 //-----------------------------------------------------------------------------
465 // wxListTextCtrl (internal)
466 //-----------------------------------------------------------------------------
467
468 class WXDLLEXPORT wxListTextCtrl: public wxTextCtrl
469 {
470 public:
471 wxListTextCtrl(wxListMainWindow *owner, size_t itemEdit);
472
473 protected:
474 void OnChar( wxKeyEvent &event );
475 void OnKeyUp( wxKeyEvent &event );
476 void OnKillFocus( wxFocusEvent &event );
477
478 bool AcceptChanges();
479 void Finish();
480
481 private:
482 wxListMainWindow *m_owner;
483 wxString m_startValue;
484 size_t m_itemEdited;
485 bool m_finished;
486
487 DECLARE_EVENT_TABLE()
488 };
489
490 //-----------------------------------------------------------------------------
491 // wxListMainWindow (internal)
492 //-----------------------------------------------------------------------------
493
494 WX_DECLARE_LIST(wxListHeaderData, wxListHeaderDataList);
495 #include "wx/listimpl.cpp"
496 WX_DEFINE_LIST(wxListHeaderDataList);
497
498 class wxListMainWindow : public wxScrolledWindow
499 {
500 public:
501 wxListMainWindow();
502 wxListMainWindow( wxWindow *parent,
503 wxWindowID id,
504 const wxPoint& pos = wxDefaultPosition,
505 const wxSize& size = wxDefaultSize,
506 long style = 0,
507 const wxString &name = _T("listctrlmainwindow") );
508
509 virtual ~wxListMainWindow();
510
511 bool HasFlag(int flag) const { return m_parent->HasFlag(flag); }
512
513 // return true if this is a virtual list control
514 bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }
515
516 // return true if the control is in report mode
517 bool InReportView() const { return HasFlag(wxLC_REPORT); }
518
519 // return true if we are in single selection mode, false if multi sel
520 bool IsSingleSel() const { return HasFlag(wxLC_SINGLE_SEL); }
521
522 // do we have a header window?
523 bool HasHeader() const
524 { return HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER); }
525
526 void HighlightAll( bool on );
527
528 // all these functions only do something if the line is currently visible
529
530 // change the line "selected" state, return TRUE if it really changed
531 bool HighlightLine( size_t line, bool highlight = TRUE);
532
533 // as HighlightLine() but do it for the range of lines: this is incredibly
534 // more efficient for virtual list controls!
535 //
536 // NB: unlike HighlightLine() this one does refresh the lines on screen
537 void HighlightLines( size_t lineFrom, size_t lineTo, bool on = TRUE );
538
539 // toggle the line state and refresh it
540 void ReverseHighlight( size_t line )
541 { HighlightLine(line, !IsHighlighted(line)); RefreshLine(line); }
542
543 // return true if the line is highlighted
544 bool IsHighlighted(size_t line) const;
545
546 // refresh one or several lines at once
547 void RefreshLine( size_t line );
548 void RefreshLines( size_t lineFrom, size_t lineTo );
549
550 // refresh all selected items
551 void RefreshSelected();
552
553 // refresh all lines below the given one: the difference with
554 // RefreshLines() is that the index here might not be a valid one (happens
555 // when the last line is deleted)
556 void RefreshAfter( size_t lineFrom );
557
558 // the methods which are forwarded to wxListLineData itself in list/icon
559 // modes but are here because the lines don't store their positions in the
560 // report mode
561
562 // get the bound rect for the entire line
563 wxRect GetLineRect(size_t line) const;
564
565 // get the bound rect of the label
566 wxRect GetLineLabelRect(size_t line) const;
567
568 // get the bound rect of the items icon (only may be called if we do have
569 // an icon!)
570 wxRect GetLineIconRect(size_t line) const;
571
572 // get the rect to be highlighted when the item has focus
573 wxRect GetLineHighlightRect(size_t line) const;
574
575 // get the size of the total line rect
576 wxSize GetLineSize(size_t line) const
577 { return GetLineRect(line).GetSize(); }
578
579 // return the hit code for the corresponding position (in this line)
580 long HitTestLine(size_t line, int x, int y) const;
581
582 // bring the selected item into view, scrolling to it if necessary
583 void MoveToItem(size_t item);
584
585 // bring the current item into view
586 void MoveToFocus() { MoveToItem(m_current); }
587
588 // start editing the label of the given item
589 void EditLabel( long item );
590
591 // suspend/resume redrawing the control
592 void Freeze();
593 void Thaw();
594
595 void SetFocus();
596
597 void OnRenameTimer();
598 bool OnRenameAccept(size_t itemEdit, const wxString& value);
599 void OnRenameCancelled(size_t itemEdit);
600
601 void OnMouse( wxMouseEvent &event );
602
603 // called to switch the selection from the current item to newCurrent,
604 void OnArrowChar( size_t newCurrent, const wxKeyEvent& event );
605
606 void OnChar( wxKeyEvent &event );
607 void OnKeyDown( wxKeyEvent &event );
608 void OnSetFocus( wxFocusEvent &event );
609 void OnKillFocus( wxFocusEvent &event );
610 void OnScroll(wxScrollWinEvent& event) ;
611
612 void OnPaint( wxPaintEvent &event );
613
614 void DrawImage( int index, wxDC *dc, int x, int y );
615 void GetImageSize( int index, int &width, int &height ) const;
616 int GetTextLength( const wxString &s ) const;
617
618 void SetImageList( wxImageListType *imageList, int which );
619 void SetItemSpacing( int spacing, bool isSmall = FALSE );
620 int GetItemSpacing( bool isSmall = FALSE );
621
622 void SetColumn( int col, wxListItem &item );
623 void SetColumnWidth( int col, int width );
624 void GetColumn( int col, wxListItem &item ) const;
625 int GetColumnWidth( int col ) const;
626 int GetColumnCount() const { return m_columns.GetCount(); }
627
628 // returns the sum of the heights of all columns
629 int GetHeaderWidth() const;
630
631 int GetCountPerPage() const;
632
633 void SetItem( wxListItem &item );
634 void GetItem( wxListItem &item ) const;
635 void SetItemState( long item, long state, long stateMask );
636 int GetItemState( long item, long stateMask ) const;
637 void GetItemRect( long index, wxRect &rect ) const;
638 wxRect GetViewRect() const;
639 bool GetItemPosition( long item, wxPoint& pos ) const;
640 int GetSelectedItemCount() const;
641
642 wxString GetItemText(long item) const
643 {
644 wxListItem info;
645 info.m_itemId = item;
646 GetItem( info );
647 return info.m_text;
648 }
649
650 void SetItemText(long item, const wxString& value)
651 {
652 wxListItem info;
653 info.m_mask = wxLIST_MASK_TEXT;
654 info.m_itemId = item;
655 info.m_text = value;
656 SetItem( info );
657 }
658
659 // set the scrollbars and update the positions of the items
660 void RecalculatePositions(bool noRefresh = FALSE);
661
662 // refresh the window and the header
663 void RefreshAll();
664
665 long GetNextItem( long item, int geometry, int state ) const;
666 void DeleteItem( long index );
667 void DeleteAllItems();
668 void DeleteColumn( int col );
669 void DeleteEverything();
670 void EnsureVisible( long index );
671 long FindItem( long start, const wxString& str, bool partial = FALSE );
672 long FindItem( long start, long data);
673 long HitTest( int x, int y, int &flags );
674 void InsertItem( wxListItem &item );
675 void InsertColumn( long col, wxListItem &item );
676 void SortItems( wxListCtrlCompare fn, long data );
677
678 size_t GetItemCount() const;
679 bool IsEmpty() const { return GetItemCount() == 0; }
680 void SetItemCount(long count);
681
682 // change the current (== focused) item, send a notification event
683 void ChangeCurrent(size_t current);
684 void ResetCurrent() { ChangeCurrent((size_t)-1); }
685 bool HasCurrent() const { return m_current != (size_t)-1; }
686
687 // send out a wxListEvent
688 void SendNotify( size_t line,
689 wxEventType command,
690 wxPoint point = wxDefaultPosition );
691
692 // override base class virtual to reset m_lineHeight when the font changes
693 virtual bool SetFont(const wxFont& font)
694 {
695 if ( !wxScrolledWindow::SetFont(font) )
696 return FALSE;
697
698 m_lineHeight = 0;
699
700 return TRUE;
701 }
702
703 // these are for wxListLineData usage only
704
705 // get the backpointer to the list ctrl
706 wxGenericListCtrl *GetListCtrl() const
707 {
708 return wxStaticCast(GetParent(), wxGenericListCtrl);
709 }
710
711 // get the height of all lines (assuming they all do have the same height)
712 wxCoord GetLineHeight() const;
713
714 // get the y position of the given line (only for report view)
715 wxCoord GetLineY(size_t line) const;
716
717 // get the brush to use for the item highlighting
718 wxBrush *GetHighlightBrush() const
719 {
720 return m_hasFocus ? m_highlightBrush : m_highlightUnfocusedBrush;
721 }
722
723 //protected:
724 // the array of all line objects for a non virtual list control (for the
725 // virtual list control we only ever use m_lines[0])
726 wxListLineDataArray m_lines;
727
728 // the list of column objects
729 wxListHeaderDataList m_columns;
730
731 // currently focused item or -1
732 size_t m_current;
733
734 // the number of lines per page
735 int m_linesPerPage;
736
737 // this flag is set when something which should result in the window
738 // redrawing happens (i.e. an item was added or deleted, or its appearance
739 // changed) and OnPaint() doesn't redraw the window while it is set which
740 // allows to minimize the number of repaintings when a lot of items are
741 // being added. The real repainting occurs only after the next OnIdle()
742 // call
743 bool m_dirty;
744
745 wxColour *m_highlightColour;
746 wxImageListType *m_small_image_list;
747 wxImageListType *m_normal_image_list;
748 int m_small_spacing;
749 int m_normal_spacing;
750 bool m_hasFocus;
751
752 bool m_lastOnSame;
753 wxTimer *m_renameTimer;
754 bool m_isCreated;
755 int m_dragCount;
756 wxPoint m_dragStart;
757
758 // for double click logic
759 size_t m_lineLastClicked,
760 m_lineBeforeLastClicked;
761
762 protected:
763 // the total count of items in a virtual list control
764 size_t m_countVirt;
765
766 // the object maintaining the items selection state, only used in virtual
767 // controls
768 wxSelectionStore m_selStore;
769
770 // common part of all ctors
771 void Init();
772
773 // get the line data for the given index
774 wxListLineData *GetLine(size_t n) const
775 {
776 wxASSERT_MSG( n != (size_t)-1, _T("invalid line index") );
777
778 if ( IsVirtual() )
779 {
780 wxConstCast(this, wxListMainWindow)->CacheLineData(n);
781
782 n = 0;
783 }
784
785 return &m_lines[n];
786 }
787
788 // get a dummy line which can be used for geometry calculations and such:
789 // you must use GetLine() if you want to really draw the line
790 wxListLineData *GetDummyLine() const;
791
792 // cache the line data of the n-th line in m_lines[0]
793 void CacheLineData(size_t line);
794
795 // get the range of visible lines
796 void GetVisibleLinesRange(size_t *from, size_t *to);
797
798 // force us to recalculate the range of visible lines
799 void ResetVisibleLinesRange() { m_lineFrom = (size_t)-1; }
800
801 // get the colour to be used for drawing the rules
802 wxColour GetRuleColour() const
803 {
804 #ifdef __WXMAC__
805 return *wxWHITE;
806 #else
807 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
808 #endif
809 }
810
811 private:
812 // initialize the current item if needed
813 void UpdateCurrent();
814
815 // delete all items but don't refresh: called from dtor
816 void DoDeleteAllItems();
817
818 // the height of one line using the current font
819 wxCoord m_lineHeight;
820
821 // the total header width or 0 if not calculated yet
822 wxCoord m_headerWidth;
823
824 // the first and last lines being shown on screen right now (inclusive),
825 // both may be -1 if they must be calculated so never access them directly:
826 // use GetVisibleLinesRange() above instead
827 size_t m_lineFrom,
828 m_lineTo;
829
830 // the brushes to use for item highlighting when we do/don't have focus
831 wxBrush *m_highlightBrush,
832 *m_highlightUnfocusedBrush;
833
834 // if this is > 0, the control is frozen and doesn't redraw itself
835 size_t m_freezeCount;
836
837 DECLARE_DYNAMIC_CLASS(wxListMainWindow)
838 DECLARE_EVENT_TABLE()
839
840 friend class wxGenericListCtrl;
841 };
842
843 // ============================================================================
844 // implementation
845 // ============================================================================
846
847 //-----------------------------------------------------------------------------
848 // wxListItemData
849 //-----------------------------------------------------------------------------
850
851 wxListItemData::~wxListItemData()
852 {
853 // in the virtual list control the attributes are managed by the main
854 // program, so don't delete them
855 if ( !m_owner->IsVirtual() )
856 {
857 delete m_attr;
858 }
859
860 delete m_rect;
861 }
862
863 void wxListItemData::Init()
864 {
865 m_image = -1;
866 m_data = 0;
867
868 m_attr = NULL;
869 }
870
871 wxListItemData::wxListItemData(wxListMainWindow *owner)
872 {
873 Init();
874
875 m_owner = owner;
876
877 if ( owner->InReportView() )
878 {
879 m_rect = NULL;
880 }
881 else
882 {
883 m_rect = new wxRect;
884 }
885 }
886
887 void wxListItemData::SetItem( const wxListItem &info )
888 {
889 if ( info.m_mask & wxLIST_MASK_TEXT )
890 SetText(info.m_text);
891 if ( info.m_mask & wxLIST_MASK_IMAGE )
892 m_image = info.m_image;
893 if ( info.m_mask & wxLIST_MASK_DATA )
894 m_data = info.m_data;
895
896 if ( info.HasAttributes() )
897 {
898 if ( m_attr )
899 *m_attr = *info.GetAttributes();
900 else
901 m_attr = new wxListItemAttr(*info.GetAttributes());
902 }
903
904 if ( m_rect )
905 {
906 m_rect->x =
907 m_rect->y =
908 m_rect->height = 0;
909 m_rect->width = info.m_width;
910 }
911 }
912
913 void wxListItemData::SetPosition( int x, int y )
914 {
915 wxCHECK_RET( m_rect, _T("unexpected SetPosition() call") );
916
917 m_rect->x = x;
918 m_rect->y = y;
919 }
920
921 void wxListItemData::SetSize( int width, int height )
922 {
923 wxCHECK_RET( m_rect, _T("unexpected SetSize() call") );
924
925 if ( width != -1 )
926 m_rect->width = width;
927 if ( height != -1 )
928 m_rect->height = height;
929 }
930
931 bool wxListItemData::IsHit( int x, int y ) const
932 {
933 wxCHECK_MSG( m_rect, FALSE, _T("can't be called in this mode") );
934
935 return wxRect(GetX(), GetY(), GetWidth(), GetHeight()).Inside(x, y);
936 }
937
938 int wxListItemData::GetX() const
939 {
940 wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );
941
942 return m_rect->x;
943 }
944
945 int wxListItemData::GetY() const
946 {
947 wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );
948
949 return m_rect->y;
950 }
951
952 int wxListItemData::GetWidth() const
953 {
954 wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );
955
956 return m_rect->width;
957 }
958
959 int wxListItemData::GetHeight() const
960 {
961 wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );
962
963 return m_rect->height;
964 }
965
966 void wxListItemData::GetItem( wxListItem &info ) const
967 {
968 info.m_text = m_text;
969 info.m_image = m_image;
970 info.m_data = m_data;
971
972 if ( m_attr )
973 {
974 if ( m_attr->HasTextColour() )
975 info.SetTextColour(m_attr->GetTextColour());
976 if ( m_attr->HasBackgroundColour() )
977 info.SetBackgroundColour(m_attr->GetBackgroundColour());
978 if ( m_attr->HasFont() )
979 info.SetFont(m_attr->GetFont());
980 }
981 }
982
983 //-----------------------------------------------------------------------------
984 // wxListHeaderData
985 //-----------------------------------------------------------------------------
986
987 void wxListHeaderData::Init()
988 {
989 m_mask = 0;
990 m_image = -1;
991 m_format = 0;
992 m_width = 0;
993 m_xpos = 0;
994 m_ypos = 0;
995 m_height = 0;
996 }
997
998 wxListHeaderData::wxListHeaderData()
999 {
1000 Init();
1001 }
1002
1003 wxListHeaderData::wxListHeaderData( const wxListItem &item )
1004 {
1005 Init();
1006
1007 SetItem( item );
1008 }
1009
1010 void wxListHeaderData::SetItem( const wxListItem &item )
1011 {
1012 m_mask = item.m_mask;
1013
1014 if ( m_mask & wxLIST_MASK_TEXT )
1015 m_text = item.m_text;
1016
1017 if ( m_mask & wxLIST_MASK_IMAGE )
1018 m_image = item.m_image;
1019
1020 if ( m_mask & wxLIST_MASK_FORMAT )
1021 m_format = item.m_format;
1022
1023 if ( m_mask & wxLIST_MASK_WIDTH )
1024 SetWidth(item.m_width);
1025 }
1026
1027 void wxListHeaderData::SetPosition( int x, int y )
1028 {
1029 m_xpos = x;
1030 m_ypos = y;
1031 }
1032
1033 void wxListHeaderData::SetHeight( int h )
1034 {
1035 m_height = h;
1036 }
1037
1038 void wxListHeaderData::SetWidth( int w )
1039 {
1040 m_width = w;
1041 if (m_width < 0)
1042 m_width = WIDTH_COL_DEFAULT;
1043 else if (m_width < WIDTH_COL_MIN)
1044 m_width = WIDTH_COL_MIN;
1045 }
1046
1047 void wxListHeaderData::SetFormat( int format )
1048 {
1049 m_format = format;
1050 }
1051
1052 bool wxListHeaderData::HasImage() const
1053 {
1054 return m_image != -1;
1055 }
1056
1057 bool wxListHeaderData::IsHit( int x, int y ) const
1058 {
1059 return ((x >= m_xpos) && (x <= m_xpos+m_width) && (y >= m_ypos) && (y <= m_ypos+m_height));
1060 }
1061
1062 void wxListHeaderData::GetItem( wxListItem& item )
1063 {
1064 item.m_mask = m_mask;
1065 item.m_text = m_text;
1066 item.m_image = m_image;
1067 item.m_format = m_format;
1068 item.m_width = m_width;
1069 }
1070
1071 int wxListHeaderData::GetImage() const
1072 {
1073 return m_image;
1074 }
1075
1076 int wxListHeaderData::GetWidth() const
1077 {
1078 return m_width;
1079 }
1080
1081 int wxListHeaderData::GetFormat() const
1082 {
1083 return m_format;
1084 }
1085
1086 //-----------------------------------------------------------------------------
1087 // wxListLineData
1088 //-----------------------------------------------------------------------------
1089
1090 inline int wxListLineData::GetMode() const
1091 {
1092 return m_owner->GetListCtrl()->GetWindowStyleFlag() & wxLC_MASK_TYPE;
1093 }
1094
1095 inline bool wxListLineData::InReportView() const
1096 {
1097 return m_owner->HasFlag(wxLC_REPORT);
1098 }
1099
1100 inline bool wxListLineData::IsVirtual() const
1101 {
1102 return m_owner->IsVirtual();
1103 }
1104
1105 wxListLineData::wxListLineData( wxListMainWindow *owner )
1106 {
1107 m_owner = owner;
1108
1109 if ( InReportView() )
1110 {
1111 m_gi = NULL;
1112 }
1113 else // !report
1114 {
1115 m_gi = new GeometryInfo;
1116 }
1117
1118 m_highlighted = FALSE;
1119
1120 InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 );
1121 }
1122
1123 void wxListLineData::CalculateSize( wxDC *dc, int spacing )
1124 {
1125 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
1126 wxCHECK_RET( node, _T("no subitems at all??") );
1127
1128 wxListItemData *item = node->GetData();
1129
1130 wxString s;
1131 wxCoord lw, lh;
1132
1133 switch ( GetMode() )
1134 {
1135 case wxLC_ICON:
1136 case wxLC_SMALL_ICON:
1137 m_gi->m_rectAll.width = spacing;
1138
1139 s = item->GetText();
1140
1141 if ( s.empty() )
1142 {
1143 lh =
1144 m_gi->m_rectLabel.width =
1145 m_gi->m_rectLabel.height = 0;
1146 }
1147 else // has label
1148 {
1149 dc->GetTextExtent( s, &lw, &lh );
1150 if (lh < SCROLL_UNIT_Y)
1151 lh = SCROLL_UNIT_Y;
1152 lw += EXTRA_WIDTH;
1153 lh += EXTRA_HEIGHT;
1154
1155 m_gi->m_rectAll.height = spacing + lh;
1156 if (lw > spacing)
1157 m_gi->m_rectAll.width = lw;
1158
1159 m_gi->m_rectLabel.width = lw;
1160 m_gi->m_rectLabel.height = lh;
1161 }
1162
1163 if (item->HasImage())
1164 {
1165 int w, h;
1166 m_owner->GetImageSize( item->GetImage(), w, h );
1167 m_gi->m_rectIcon.width = w + 8;
1168 m_gi->m_rectIcon.height = h + 8;
1169
1170 if ( m_gi->m_rectIcon.width > m_gi->m_rectAll.width )
1171 m_gi->m_rectAll.width = m_gi->m_rectIcon.width;
1172 if ( m_gi->m_rectIcon.height + lh > m_gi->m_rectAll.height - 4 )
1173 m_gi->m_rectAll.height = m_gi->m_rectIcon.height + lh + 4;
1174 }
1175
1176 if ( item->HasText() )
1177 {
1178 m_gi->m_rectHighlight.width = m_gi->m_rectLabel.width;
1179 m_gi->m_rectHighlight.height = m_gi->m_rectLabel.height;
1180 }
1181 else // no text, highlight the icon
1182 {
1183 m_gi->m_rectHighlight.width = m_gi->m_rectIcon.width;
1184 m_gi->m_rectHighlight.height = m_gi->m_rectIcon.height;
1185 }
1186 break;
1187
1188 case wxLC_LIST:
1189 s = item->GetTextForMeasuring();
1190
1191 dc->GetTextExtent( s, &lw, &lh );
1192 if (lh < SCROLL_UNIT_Y)
1193 lh = SCROLL_UNIT_Y;
1194 lw += EXTRA_WIDTH;
1195 lh += EXTRA_HEIGHT;
1196
1197 m_gi->m_rectLabel.width = lw;
1198 m_gi->m_rectLabel.height = lh;
1199
1200 m_gi->m_rectAll.width = lw;
1201 m_gi->m_rectAll.height = lh;
1202
1203 if (item->HasImage())
1204 {
1205 int w, h;
1206 m_owner->GetImageSize( item->GetImage(), w, h );
1207 m_gi->m_rectIcon.width = w;
1208 m_gi->m_rectIcon.height = h;
1209
1210 m_gi->m_rectAll.width += 4 + w;
1211 if (h > m_gi->m_rectAll.height)
1212 m_gi->m_rectAll.height = h;
1213 }
1214
1215 m_gi->m_rectHighlight.width = m_gi->m_rectAll.width;
1216 m_gi->m_rectHighlight.height = m_gi->m_rectAll.height;
1217 break;
1218
1219 case wxLC_REPORT:
1220 wxFAIL_MSG( _T("unexpected call to SetSize") );
1221 break;
1222
1223 default:
1224 wxFAIL_MSG( _T("unknown mode") );
1225 }
1226 }
1227
1228 void wxListLineData::SetPosition( int x, int y, int spacing )
1229 {
1230 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
1231 wxCHECK_RET( node, _T("no subitems at all??") );
1232
1233 wxListItemData *item = node->GetData();
1234
1235 switch ( GetMode() )
1236 {
1237 case wxLC_ICON:
1238 case wxLC_SMALL_ICON:
1239 m_gi->m_rectAll.x = x;
1240 m_gi->m_rectAll.y = y;
1241
1242 if ( item->HasImage() )
1243 {
1244 m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 4 +
1245 (m_gi->m_rectAll.width - m_gi->m_rectIcon.width) / 2;
1246 m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 4;
1247 }
1248
1249 if ( item->HasText() )
1250 {
1251 if (m_gi->m_rectAll.width > spacing)
1252 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 2;
1253 else
1254 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 2 + (spacing/2) - (m_gi->m_rectLabel.width/2);
1255 m_gi->m_rectLabel.y = m_gi->m_rectAll.y + m_gi->m_rectAll.height + 2 - m_gi->m_rectLabel.height;
1256 m_gi->m_rectHighlight.x = m_gi->m_rectLabel.x - 2;
1257 m_gi->m_rectHighlight.y = m_gi->m_rectLabel.y - 2;
1258 }
1259 else // no text, highlight the icon
1260 {
1261 m_gi->m_rectHighlight.x = m_gi->m_rectIcon.x - 4;
1262 m_gi->m_rectHighlight.y = m_gi->m_rectIcon.y - 4;
1263 }
1264 break;
1265
1266 case wxLC_LIST:
1267 m_gi->m_rectAll.x = x;
1268 m_gi->m_rectAll.y = y;
1269
1270 m_gi->m_rectHighlight.x = m_gi->m_rectAll.x;
1271 m_gi->m_rectHighlight.y = m_gi->m_rectAll.y;
1272 m_gi->m_rectLabel.y = m_gi->m_rectAll.y + 2;
1273
1274 if (item->HasImage())
1275 {
1276 m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 2;
1277 m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 2;
1278 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 6 + m_gi->m_rectIcon.width;
1279 }
1280 else
1281 {
1282 m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 2;
1283 }
1284 break;
1285
1286 case wxLC_REPORT:
1287 wxFAIL_MSG( _T("unexpected call to SetPosition") );
1288 break;
1289
1290 default:
1291 wxFAIL_MSG( _T("unknown mode") );
1292 }
1293 }
1294
1295 void wxListLineData::InitItems( int num )
1296 {
1297 for (int i = 0; i < num; i++)
1298 m_items.Append( new wxListItemData(m_owner) );
1299 }
1300
1301 void wxListLineData::SetItem( int index, const wxListItem &info )
1302 {
1303 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
1304 wxCHECK_RET( node, _T("invalid column index in SetItem") );
1305
1306 wxListItemData *item = node->GetData();
1307 item->SetItem( info );
1308 }
1309
1310 void wxListLineData::GetItem( int index, wxListItem &info )
1311 {
1312 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
1313 if (node)
1314 {
1315 wxListItemData *item = node->GetData();
1316 item->GetItem( info );
1317 }
1318 }
1319
1320 wxString wxListLineData::GetText(int index) const
1321 {
1322 wxString s;
1323
1324 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
1325 if (node)
1326 {
1327 wxListItemData *item = node->GetData();
1328 s = item->GetText();
1329 }
1330
1331 return s;
1332 }
1333
1334 void wxListLineData::SetText( int index, const wxString s )
1335 {
1336 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
1337 if (node)
1338 {
1339 wxListItemData *item = node->GetData();
1340 item->SetText( s );
1341 }
1342 }
1343
1344 void wxListLineData::SetImage( int index, int image )
1345 {
1346 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
1347 wxCHECK_RET( node, _T("invalid column index in SetImage()") );
1348
1349 wxListItemData *item = node->GetData();
1350 item->SetImage(image);
1351 }
1352
1353 int wxListLineData::GetImage( int index ) const
1354 {
1355 wxListItemDataList::compatibility_iterator node = m_items.Item( index );
1356 wxCHECK_MSG( node, -1, _T("invalid column index in GetImage()") );
1357
1358 wxListItemData *item = node->GetData();
1359 return item->GetImage();
1360 }
1361
1362 wxListItemAttr *wxListLineData::GetAttr() const
1363 {
1364 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
1365 wxCHECK_MSG( node, NULL, _T("invalid column index in GetAttr()") );
1366
1367 wxListItemData *item = node->GetData();
1368 return item->GetAttr();
1369 }
1370
1371 void wxListLineData::SetAttr(wxListItemAttr *attr)
1372 {
1373 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
1374 wxCHECK_RET( node, _T("invalid column index in SetAttr()") );
1375
1376 wxListItemData *item = node->GetData();
1377 item->SetAttr(attr);
1378 }
1379
1380 bool wxListLineData::SetAttributes(wxDC *dc,
1381 const wxListItemAttr *attr,
1382 bool highlighted)
1383 {
1384 wxWindow *listctrl = m_owner->GetParent();
1385
1386 // fg colour
1387
1388 // don't use foreground colour for drawing highlighted items - this might
1389 // make them completely invisible (and there is no way to do bit
1390 // arithmetics on wxColour, unfortunately)
1391 wxColour colText;
1392 if ( highlighted )
1393 {
1394 colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
1395 }
1396 else
1397 {
1398 if ( attr && attr->HasTextColour() )
1399 {
1400 colText = attr->GetTextColour();
1401 }
1402 else
1403 {
1404 colText = listctrl->GetForegroundColour();
1405 }
1406 }
1407
1408 dc->SetTextForeground(colText);
1409
1410 // font
1411 wxFont font;
1412 if ( attr && attr->HasFont() )
1413 {
1414 font = attr->GetFont();
1415 }
1416 else
1417 {
1418 font = listctrl->GetFont();
1419 }
1420
1421 dc->SetFont(font);
1422
1423 // bg colour
1424 bool hasBgCol = attr && attr->HasBackgroundColour();
1425 if ( highlighted || hasBgCol )
1426 {
1427 if ( highlighted )
1428 {
1429 dc->SetBrush( *m_owner->GetHighlightBrush() );
1430 }
1431 else
1432 {
1433 dc->SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
1434 }
1435
1436 dc->SetPen( *wxTRANSPARENT_PEN );
1437
1438 return TRUE;
1439 }
1440
1441 return FALSE;
1442 }
1443
1444 void wxListLineData::Draw( wxDC *dc )
1445 {
1446 wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
1447 wxCHECK_RET( node, _T("no subitems at all??") );
1448
1449 bool highlighted = IsHighlighted();
1450
1451 wxListItemAttr *attr = GetAttr();
1452
1453 if ( SetAttributes(dc, attr, highlighted) )
1454 {
1455 dc->DrawRectangle( m_gi->m_rectHighlight );
1456 }
1457
1458 // just for debugging to better see where the items are
1459 #if 0
1460 dc->SetPen(*wxRED_PEN);
1461 dc->SetBrush(*wxTRANSPARENT_BRUSH);
1462 dc->DrawRectangle( m_gi->m_rectAll );
1463 dc->SetPen(*wxGREEN_PEN);
1464 dc->DrawRectangle( m_gi->m_rectIcon );
1465 #endif // 0
1466
1467 wxListItemData *item = node->GetData();
1468 if (item->HasImage())
1469 {
1470 // centre the image inside our rectangle, this looks nicer when items
1471 // ae aligned in a row
1472 const wxRect& rectIcon = m_gi->m_rectIcon;
1473
1474 m_owner->DrawImage(item->GetImage(), dc, rectIcon.x, rectIcon.y);
1475 }
1476
1477 if (item->HasText())
1478 {
1479 const wxRect& rectLabel = m_gi->m_rectLabel;
1480
1481 wxDCClipper clipper(*dc, rectLabel);
1482 dc->DrawText(item->GetText(), rectLabel.x, rectLabel.y);
1483 }
1484 }
1485
1486 void wxListLineData::DrawInReportMode( wxDC *dc,
1487 const wxRect& rect,
1488 const wxRect& rectHL,
1489 bool highlighted )
1490 {
1491 // TODO: later we should support setting different attributes for
1492 // different columns - to do it, just add "col" argument to
1493 // GetAttr() and move these lines into the loop below
1494 wxListItemAttr *attr = GetAttr();
1495 if ( SetAttributes(dc, attr, highlighted) )
1496 {
1497 dc->DrawRectangle( rectHL );
1498 }
1499
1500 wxCoord x = rect.x + HEADER_OFFSET_X,
1501 y = rect.y + (LINE_SPACING + EXTRA_HEIGHT) / 2;
1502
1503 size_t col = 0;
1504 for ( wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
1505 node;
1506 node = node->GetNext(), col++ )
1507 {
1508 wxListItemData *item = node->GetData();
1509
1510 int width = m_owner->GetColumnWidth(col);
1511 int xOld = x;
1512 x += width;
1513
1514 if ( item->HasImage() )
1515 {
1516 int ix, iy;
1517 m_owner->DrawImage( item->GetImage(), dc, xOld, y );
1518 m_owner->GetImageSize( item->GetImage(), ix, iy );
1519
1520 ix += IMAGE_MARGIN_IN_REPORT_MODE;
1521
1522 xOld += ix;
1523 width -= ix;
1524 }
1525
1526 wxDCClipper clipper(*dc, xOld, y, width - 8, rect.height);
1527
1528 if ( item->HasText() )
1529 {
1530 DrawTextFormatted(dc, item->GetText(), col, xOld, y, width - 8);
1531 }
1532 }
1533 }
1534
1535 void wxListLineData::DrawTextFormatted(wxDC *dc,
1536 const wxString &text,
1537 int col,
1538 int x,
1539 int y,
1540 int width)
1541 {
1542 wxString drawntext, ellipsis;
1543 wxCoord w, h, base_w;
1544 wxListItem item;
1545
1546 // determine if the string can fit inside the current width
1547 dc->GetTextExtent(text, &w, &h);
1548 if (w <= width)
1549 {
1550 // it can, draw it using the items alignment
1551 m_owner->GetColumn(col, item);
1552 switch ( item.GetAlign() )
1553 {
1554 default:
1555 wxFAIL_MSG( _T("unknown list item format") );
1556 // fall through
1557
1558 case wxLIST_FORMAT_LEFT:
1559 // nothing to do
1560 break;
1561
1562 case wxLIST_FORMAT_RIGHT:
1563 x += width - w;
1564 break;
1565
1566 case wxLIST_FORMAT_CENTER:
1567 x += (width - w) / 2;
1568 break;
1569 }
1570
1571 dc->DrawText(text, x, y);
1572 }
1573 else // otherwise, truncate and add an ellipsis if possible
1574 {
1575 // determine the base width
1576 ellipsis = wxString(wxT("..."));
1577 dc->GetTextExtent(ellipsis, &base_w, &h);
1578
1579 // continue until we have enough space or only one character left
1580 wxCoord w_c, h_c;
1581 size_t len = text.Length();
1582 drawntext = text.Left(len);
1583 while (len > 1)
1584 {
1585 dc->GetTextExtent(drawntext.Last(), &w_c, &h_c);
1586 drawntext.RemoveLast();
1587 len--;
1588 w -= w_c;
1589 if (w + base_w <= width)
1590 break;
1591 }
1592
1593 // if still not enough space, remove ellipsis characters
1594 while (ellipsis.Length() > 0 && w + base_w > width)
1595 {
1596 ellipsis = ellipsis.Left(ellipsis.Length() - 1);
1597 dc->GetTextExtent(ellipsis, &base_w, &h);
1598 }
1599
1600 // now draw the text
1601 dc->DrawText(drawntext, x, y);
1602 dc->DrawText(ellipsis, x + w, y);
1603 }
1604 }
1605
1606 bool wxListLineData::Highlight( bool on )
1607 {
1608 wxCHECK_MSG( !m_owner->IsVirtual(), FALSE, _T("unexpected call to Highlight") );
1609
1610 if ( on == m_highlighted )
1611 return FALSE;
1612
1613 m_highlighted = on;
1614
1615 return TRUE;
1616 }
1617
1618 void wxListLineData::ReverseHighlight( void )
1619 {
1620 Highlight(!IsHighlighted());
1621 }
1622
1623 //-----------------------------------------------------------------------------
1624 // wxListHeaderWindow
1625 //-----------------------------------------------------------------------------
1626
1627 IMPLEMENT_DYNAMIC_CLASS(wxListHeaderWindow,wxWindow)
1628
1629 BEGIN_EVENT_TABLE(wxListHeaderWindow,wxWindow)
1630 EVT_PAINT (wxListHeaderWindow::OnPaint)
1631 EVT_MOUSE_EVENTS (wxListHeaderWindow::OnMouse)
1632 EVT_SET_FOCUS (wxListHeaderWindow::OnSetFocus)
1633 END_EVENT_TABLE()
1634
1635 void wxListHeaderWindow::Init()
1636 {
1637 m_currentCursor = (wxCursor *) NULL;
1638 m_isDragging = FALSE;
1639 m_dirty = FALSE;
1640 }
1641
1642 wxListHeaderWindow::wxListHeaderWindow()
1643 {
1644 Init();
1645
1646 m_owner = (wxListMainWindow *) NULL;
1647 m_resizeCursor = (wxCursor *) NULL;
1648 }
1649
1650 wxListHeaderWindow::wxListHeaderWindow( wxWindow *win,
1651 wxWindowID id,
1652 wxListMainWindow *owner,
1653 const wxPoint& pos,
1654 const wxSize& size,
1655 long style,
1656 const wxString &name )
1657 : wxWindow( win, id, pos, size, style, name )
1658 {
1659 Init();
1660
1661 m_owner = owner;
1662 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
1663
1664 SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
1665 }
1666
1667 wxListHeaderWindow::~wxListHeaderWindow()
1668 {
1669 delete m_resizeCursor;
1670 }
1671
1672 #ifdef __WXUNIVERSAL__
1673 #include "wx/univ/renderer.h"
1674 #include "wx/univ/theme.h"
1675 #endif
1676
1677 // shift the DC origin to match the position of the main window horz
1678 // scrollbar: this allows us to always use logical coords
1679 void wxListHeaderWindow::AdjustDC(wxDC& dc)
1680 {
1681 int xpix;
1682 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1683
1684 int x;
1685 m_owner->GetViewStart( &x, NULL );
1686
1687 // account for the horz scrollbar offset
1688 dc.SetDeviceOrigin( -x * xpix, 0 );
1689 }
1690
1691 void wxListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1692 {
1693 wxPaintDC dc( this );
1694
1695 PrepareDC( dc );
1696 AdjustDC( dc );
1697
1698 dc.BeginDrawing();
1699
1700 dc.SetFont( GetFont() );
1701
1702 // width and height of the entire header window
1703 int w, h;
1704 GetClientSize( &w, &h );
1705 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1706
1707 dc.SetBackgroundMode(wxTRANSPARENT);
1708
1709 // do *not* use the listctrl colour for headers - one day we will have a
1710 // function to set it separately
1711 //dc.SetTextForeground( *wxBLACK );
1712 dc.SetTextForeground(wxSystemSettings::
1713 GetSystemColour( wxSYS_COLOUR_WINDOWTEXT ));
1714
1715 int x = HEADER_OFFSET_X;
1716
1717 int numColumns = m_owner->GetColumnCount();
1718 wxListItem item;
1719 for ( int i = 0; i < numColumns && x < w; i++ )
1720 {
1721 m_owner->GetColumn( i, item );
1722 int wCol = item.m_width;
1723
1724 // the width of the rect to draw: make it smaller to fit entirely
1725 // inside the column rect
1726 int cw = wCol - 2;
1727
1728 wxRendererNative::Get().DrawHeaderButton
1729 (
1730 this,
1731 dc,
1732 wxRect(x, HEADER_OFFSET_Y, cw, h - 2),
1733 m_parent->IsEnabled() ? 0
1734 : wxCONTROL_DISABLED
1735 );
1736
1737 // see if we have enough space for the column label
1738
1739 // for this we need the width of the text
1740 wxCoord wLabel;
1741 dc.GetTextExtent(item.GetText(), &wLabel, NULL);
1742 wLabel += 2*EXTRA_WIDTH;
1743
1744 // and the width of the icon, if any
1745 static const int MARGIN_BETWEEN_TEXT_AND_ICON = 2;
1746 int ix = 0, // init them just to suppress the compiler warnings
1747 iy = 0;
1748 const int image = item.m_image;
1749 wxImageListType *imageList;
1750 if ( image != -1 )
1751 {
1752 imageList = m_owner->m_small_image_list;
1753 if ( imageList )
1754 {
1755 imageList->GetSize(image, ix, iy);
1756 wLabel += ix + MARGIN_BETWEEN_TEXT_AND_ICON;
1757 }
1758 }
1759 else
1760 {
1761 imageList = NULL;
1762 }
1763
1764 // ignore alignment if there is not enough space anyhow
1765 int xAligned;
1766 switch ( wLabel < cw ? item.GetAlign() : wxLIST_FORMAT_LEFT )
1767 {
1768 default:
1769 wxFAIL_MSG( _T("unknown list item format") );
1770 // fall through
1771
1772 case wxLIST_FORMAT_LEFT:
1773 xAligned = x;
1774 break;
1775
1776 case wxLIST_FORMAT_RIGHT:
1777 xAligned = x + cw - wLabel;
1778 break;
1779
1780 case wxLIST_FORMAT_CENTER:
1781 xAligned = x + (cw - wLabel) / 2;
1782 break;
1783 }
1784
1785
1786 // if we have an image, draw it on the right of the label
1787 if ( imageList )
1788 {
1789 imageList->Draw
1790 (
1791 image,
1792 dc,
1793 xAligned + wLabel - ix - MARGIN_BETWEEN_TEXT_AND_ICON,
1794 HEADER_OFFSET_Y + (h - 4 - iy)/2,
1795 wxIMAGELIST_DRAW_TRANSPARENT
1796 );
1797
1798 cw -= ix + MARGIN_BETWEEN_TEXT_AND_ICON;
1799 }
1800
1801 // draw the text clipping it so that it doesn't overwrite the column
1802 // boundary
1803 wxDCClipper clipper(dc, x, HEADER_OFFSET_Y, cw, h - 4 );
1804
1805 dc.DrawText( item.GetText(),
1806 xAligned + EXTRA_WIDTH, HEADER_OFFSET_Y + EXTRA_HEIGHT );
1807
1808 x += wCol;
1809 }
1810
1811 dc.EndDrawing();
1812 }
1813
1814 void wxListHeaderWindow::DrawCurrent()
1815 {
1816 int x1 = m_currentX;
1817 int y1 = 0;
1818 m_owner->ClientToScreen( &x1, &y1 );
1819
1820 int x2 = m_currentX;
1821 int y2 = 0;
1822 m_owner->GetClientSize( NULL, &y2 );
1823 m_owner->ClientToScreen( &x2, &y2 );
1824
1825 wxScreenDC dc;
1826 dc.SetLogicalFunction( wxINVERT );
1827 dc.SetPen( wxPen( *wxBLACK, 2, wxSOLID ) );
1828 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1829
1830 AdjustDC(dc);
1831
1832 dc.DrawLine( x1, y1, x2, y2 );
1833
1834 dc.SetLogicalFunction( wxCOPY );
1835
1836 dc.SetPen( wxNullPen );
1837 dc.SetBrush( wxNullBrush );
1838 }
1839
1840 void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
1841 {
1842 // we want to work with logical coords
1843 int x;
1844 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1845 int y = event.GetY();
1846
1847 if (m_isDragging)
1848 {
1849 SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING, event.GetPosition());
1850
1851 // we don't draw the line beyond our window, but we allow dragging it
1852 // there
1853 int w = 0;
1854 GetClientSize( &w, NULL );
1855 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1856 w -= 6;
1857
1858 // erase the line if it was drawn
1859 if ( m_currentX < w )
1860 DrawCurrent();
1861
1862 if (event.ButtonUp())
1863 {
1864 ReleaseMouse();
1865 m_isDragging = FALSE;
1866 m_dirty = TRUE;
1867 m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
1868 SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG, event.GetPosition());
1869 }
1870 else
1871 {
1872 if (x > m_minX + 7)
1873 m_currentX = x;
1874 else
1875 m_currentX = m_minX + 7;
1876
1877 // draw in the new location
1878 if ( m_currentX < w )
1879 DrawCurrent();
1880 }
1881 }
1882 else // not dragging
1883 {
1884 m_minX = 0;
1885 bool hit_border = FALSE;
1886
1887 // end of the current column
1888 int xpos = 0;
1889
1890 // find the column where this event occured
1891 int col,
1892 countCol = m_owner->GetColumnCount();
1893 for (col = 0; col < countCol; col++)
1894 {
1895 xpos += m_owner->GetColumnWidth( col );
1896 m_column = col;
1897
1898 if ( (abs(x-xpos) < 3) && (y < 22) )
1899 {
1900 // near the column border
1901 hit_border = TRUE;
1902 break;
1903 }
1904
1905 if ( x < xpos )
1906 {
1907 // inside the column
1908 break;
1909 }
1910
1911 m_minX = xpos;
1912 }
1913
1914 if ( col == countCol )
1915 m_column = -1;
1916
1917 if (event.LeftDown() || event.RightUp())
1918 {
1919 if (hit_border && event.LeftDown())
1920 {
1921 if ( SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG,
1922 event.GetPosition()) )
1923 {
1924 m_isDragging = TRUE;
1925 m_currentX = x;
1926 DrawCurrent();
1927 CaptureMouse();
1928 }
1929 //else: column resizing was vetoed by the user code
1930 }
1931 else // click on a column
1932 {
1933 SendListEvent( event.LeftDown()
1934 ? wxEVT_COMMAND_LIST_COL_CLICK
1935 : wxEVT_COMMAND_LIST_COL_RIGHT_CLICK,
1936 event.GetPosition());
1937 }
1938 }
1939 else if (event.Moving())
1940 {
1941 bool setCursor;
1942 if (hit_border)
1943 {
1944 setCursor = m_currentCursor == wxSTANDARD_CURSOR;
1945 m_currentCursor = m_resizeCursor;
1946 }
1947 else
1948 {
1949 setCursor = m_currentCursor != wxSTANDARD_CURSOR;
1950 m_currentCursor = wxSTANDARD_CURSOR;
1951 }
1952
1953 if ( setCursor )
1954 SetCursor(*m_currentCursor);
1955 }
1956 }
1957 }
1958
1959 void wxListHeaderWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
1960 {
1961 m_owner->SetFocus();
1962 }
1963
1964 bool wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos)
1965 {
1966 wxWindow *parent = GetParent();
1967 wxListEvent le( type, parent->GetId() );
1968 le.SetEventObject( parent );
1969 le.m_pointDrag = pos;
1970
1971 // the position should be relative to the parent window, not
1972 // this one for compatibility with MSW and common sense: the
1973 // user code doesn't know anything at all about this header
1974 // window, so why should it get positions relative to it?
1975 le.m_pointDrag.y -= GetSize().y;
1976
1977 le.m_col = m_column;
1978 return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
1979 }
1980
1981 //-----------------------------------------------------------------------------
1982 // wxListRenameTimer (internal)
1983 //-----------------------------------------------------------------------------
1984
1985 wxListRenameTimer::wxListRenameTimer( wxListMainWindow *owner )
1986 {
1987 m_owner = owner;
1988 }
1989
1990 void wxListRenameTimer::Notify()
1991 {
1992 m_owner->OnRenameTimer();
1993 }
1994
1995 //-----------------------------------------------------------------------------
1996 // wxListTextCtrl (internal)
1997 //-----------------------------------------------------------------------------
1998
1999 BEGIN_EVENT_TABLE(wxListTextCtrl,wxTextCtrl)
2000 EVT_CHAR (wxListTextCtrl::OnChar)
2001 EVT_KEY_UP (wxListTextCtrl::OnKeyUp)
2002 EVT_KILL_FOCUS (wxListTextCtrl::OnKillFocus)
2003 END_EVENT_TABLE()
2004
2005 wxListTextCtrl::wxListTextCtrl(wxListMainWindow *owner, size_t itemEdit)
2006 : m_startValue(owner->GetItemText(itemEdit)),
2007 m_itemEdited(itemEdit)
2008 {
2009 m_owner = owner;
2010 m_finished = FALSE;
2011
2012 wxRect rectLabel = owner->GetLineLabelRect(itemEdit);
2013
2014 m_owner->CalcScrolledPosition(rectLabel.x, rectLabel.y,
2015 &rectLabel.x, &rectLabel.y);
2016
2017 (void)Create(owner, wxID_ANY, m_startValue,
2018 wxPoint(rectLabel.x-4,rectLabel.y-4),
2019 wxSize(rectLabel.width+11,rectLabel.height+8));
2020 }
2021
2022 void wxListTextCtrl::Finish()
2023 {
2024 if ( !m_finished )
2025 {
2026 wxPendingDelete.Append(this);
2027
2028 m_finished = TRUE;
2029
2030 m_owner->SetFocus();
2031 }
2032 }
2033
2034 bool wxListTextCtrl::AcceptChanges()
2035 {
2036 const wxString value = GetValue();
2037
2038 if ( value == m_startValue )
2039 {
2040 // nothing changed, always accept
2041 return TRUE;
2042 }
2043
2044 if ( !m_owner->OnRenameAccept(m_itemEdited, value) )
2045 {
2046 // vetoed by the user
2047 return FALSE;
2048 }
2049
2050 // accepted, do rename the item
2051 m_owner->SetItemText(m_itemEdited, value);
2052
2053 return TRUE;
2054 }
2055
2056 void wxListTextCtrl::OnChar( wxKeyEvent &event )
2057 {
2058 switch ( event.m_keyCode )
2059 {
2060 case WXK_RETURN:
2061 if ( !AcceptChanges() )
2062 {
2063 // vetoed by the user code
2064 break;
2065 }
2066 //else: fall through
2067
2068 case WXK_ESCAPE:
2069 Finish();
2070 m_owner->OnRenameCancelled( m_itemEdited );
2071 break;
2072
2073 default:
2074 event.Skip();
2075 }
2076 }
2077
2078 void wxListTextCtrl::OnKeyUp( wxKeyEvent &event )
2079 {
2080 if (m_finished)
2081 {
2082 event.Skip();
2083 return;
2084 }
2085
2086 // auto-grow the textctrl:
2087 wxSize parentSize = m_owner->GetSize();
2088 wxPoint myPos = GetPosition();
2089 wxSize mySize = GetSize();
2090 int sx, sy;
2091 GetTextExtent(GetValue() + _T("MM"), &sx, &sy);
2092 if (myPos.x + sx > parentSize.x)
2093 sx = parentSize.x - myPos.x;
2094 if (mySize.x > sx)
2095 sx = mySize.x;
2096 SetSize(sx, -1);
2097
2098 event.Skip();
2099 }
2100
2101 void wxListTextCtrl::OnKillFocus( wxFocusEvent &event )
2102 {
2103 if ( !m_finished )
2104 {
2105 // We must finish regardless of success, otherwise we'll get focus problems
2106 Finish();
2107
2108 if ( !AcceptChanges() )
2109 m_owner->OnRenameCancelled( m_itemEdited );
2110 }
2111
2112 event.Skip();
2113 }
2114
2115 //-----------------------------------------------------------------------------
2116 // wxListMainWindow
2117 //-----------------------------------------------------------------------------
2118
2119 IMPLEMENT_DYNAMIC_CLASS(wxListMainWindow,wxScrolledWindow)
2120
2121 BEGIN_EVENT_TABLE(wxListMainWindow,wxScrolledWindow)
2122 EVT_PAINT (wxListMainWindow::OnPaint)
2123 EVT_MOUSE_EVENTS (wxListMainWindow::OnMouse)
2124 EVT_CHAR (wxListMainWindow::OnChar)
2125 EVT_KEY_DOWN (wxListMainWindow::OnKeyDown)
2126 EVT_SET_FOCUS (wxListMainWindow::OnSetFocus)
2127 EVT_KILL_FOCUS (wxListMainWindow::OnKillFocus)
2128 EVT_SCROLLWIN (wxListMainWindow::OnScroll)
2129 END_EVENT_TABLE()
2130
2131 void wxListMainWindow::Init()
2132 {
2133 m_dirty = TRUE;
2134 m_countVirt = 0;
2135 m_lineFrom =
2136 m_lineTo = (size_t)-1;
2137 m_linesPerPage = 0;
2138
2139 m_headerWidth =
2140 m_lineHeight = 0;
2141
2142 m_small_image_list = (wxImageListType *) NULL;
2143 m_normal_image_list = (wxImageListType *) NULL;
2144
2145 m_small_spacing = 30;
2146 m_normal_spacing = 40;
2147
2148 m_hasFocus = FALSE;
2149 m_dragCount = 0;
2150 m_isCreated = FALSE;
2151
2152 m_lastOnSame = FALSE;
2153 m_renameTimer = new wxListRenameTimer( this );
2154
2155 m_current =
2156 m_lineLastClicked =
2157 m_lineBeforeLastClicked = (size_t)-1;
2158
2159 m_freezeCount = 0;
2160 }
2161
2162 wxListMainWindow::wxListMainWindow()
2163 {
2164 Init();
2165
2166 m_highlightBrush =
2167 m_highlightUnfocusedBrush = (wxBrush *) NULL;
2168 }
2169
2170 wxListMainWindow::wxListMainWindow( wxWindow *parent,
2171 wxWindowID id,
2172 const wxPoint& pos,
2173 const wxSize& size,
2174 long style,
2175 const wxString &name )
2176 : wxScrolledWindow( parent, id, pos, size,
2177 style | wxHSCROLL | wxVSCROLL, name )
2178 {
2179 Init();
2180
2181 m_highlightBrush = new wxBrush
2182 (
2183 wxSystemSettings::GetColour
2184 (
2185 wxSYS_COLOUR_HIGHLIGHT
2186 ),
2187 wxSOLID
2188 );
2189
2190 m_highlightUnfocusedBrush = new wxBrush
2191 (
2192 wxSystemSettings::GetColour
2193 (
2194 wxSYS_COLOUR_BTNSHADOW
2195 ),
2196 wxSOLID
2197 );
2198
2199 wxSize sz = size;
2200 sz.y = 25;
2201
2202 SetScrollbars( SCROLL_UNIT_X, SCROLL_UNIT_Y, 0, 0, 0, 0 );
2203
2204 SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) );
2205 }
2206
2207 wxListMainWindow::~wxListMainWindow()
2208 {
2209 DoDeleteAllItems();
2210 WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
2211
2212 delete m_highlightBrush;
2213 delete m_highlightUnfocusedBrush;
2214
2215 delete m_renameTimer;
2216 }
2217
2218 void wxListMainWindow::CacheLineData(size_t line)
2219 {
2220 wxGenericListCtrl *listctrl = GetListCtrl();
2221
2222 wxListLineData *ld = GetDummyLine();
2223
2224 size_t countCol = GetColumnCount();
2225 for ( size_t col = 0; col < countCol; col++ )
2226 {
2227 ld->SetText(col, listctrl->OnGetItemText(line, col));
2228 }
2229
2230 ld->SetImage(listctrl->OnGetItemImage(line));
2231 ld->SetAttr(listctrl->OnGetItemAttr(line));
2232 }
2233
2234 wxListLineData *wxListMainWindow::GetDummyLine() const
2235 {
2236 wxASSERT_MSG( !IsEmpty(), _T("invalid line index") );
2237
2238 wxASSERT_MSG( IsVirtual(), _T("GetDummyLine() shouldn't be called") );
2239
2240 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
2241
2242 // we need to recreate the dummy line if the number of columns in the
2243 // control changed as it would have the incorrect number of fields
2244 // otherwise
2245 if ( !m_lines.IsEmpty() &&
2246 m_lines[0].m_items.GetCount() != (size_t)GetColumnCount() )
2247 {
2248 self->m_lines.Clear();
2249 }
2250
2251 if ( m_lines.IsEmpty() )
2252 {
2253 wxListLineData *line = new wxListLineData(self);
2254 self->m_lines.Add(line);
2255
2256 // don't waste extra memory -- there never going to be anything
2257 // else/more in this array
2258 self->m_lines.Shrink();
2259 }
2260
2261 return &m_lines[0];
2262 }
2263
2264 // ----------------------------------------------------------------------------
2265 // line geometry (report mode only)
2266 // ----------------------------------------------------------------------------
2267
2268 wxCoord wxListMainWindow::GetLineHeight() const
2269 {
2270 wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("only works in report mode") );
2271
2272 // we cache the line height as calling GetTextExtent() is slow
2273 if ( !m_lineHeight )
2274 {
2275 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
2276
2277 wxClientDC dc( self );
2278 dc.SetFont( GetFont() );
2279
2280 wxCoord y;
2281 dc.GetTextExtent(_T("H"), NULL, &y);
2282
2283 if ( y < SCROLL_UNIT_Y )
2284 y = SCROLL_UNIT_Y;
2285
2286 if ( m_small_image_list && m_small_image_list->GetImageCount() )
2287 {
2288 int iw = 0;
2289 int ih = 0;
2290 m_small_image_list->GetSize(0, iw, ih);
2291 y = wxMax(y, ih);
2292 }
2293
2294 y += EXTRA_HEIGHT;
2295 self->m_lineHeight = y + LINE_SPACING;
2296 }
2297
2298 return m_lineHeight;
2299 }
2300
2301 wxCoord wxListMainWindow::GetLineY(size_t line) const
2302 {
2303 wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("only works in report mode") );
2304
2305 return LINE_SPACING + line*GetLineHeight();
2306 }
2307
2308 wxRect wxListMainWindow::GetLineRect(size_t line) const
2309 {
2310 if ( !InReportView() )
2311 return GetLine(line)->m_gi->m_rectAll;
2312
2313 wxRect rect;
2314 rect.x = HEADER_OFFSET_X;
2315 rect.y = GetLineY(line);
2316 rect.width = GetHeaderWidth();
2317 rect.height = GetLineHeight();
2318
2319 return rect;
2320 }
2321
2322 wxRect wxListMainWindow::GetLineLabelRect(size_t line) const
2323 {
2324 if ( !InReportView() )
2325 return GetLine(line)->m_gi->m_rectLabel;
2326
2327 wxRect rect;
2328 rect.x = HEADER_OFFSET_X;
2329 rect.y = GetLineY(line);
2330 rect.width = GetColumnWidth(0);
2331 rect.height = GetLineHeight();
2332
2333 return rect;
2334 }
2335
2336 wxRect wxListMainWindow::GetLineIconRect(size_t line) const
2337 {
2338 if ( !InReportView() )
2339 return GetLine(line)->m_gi->m_rectIcon;
2340
2341 wxListLineData *ld = GetLine(line);
2342 wxASSERT_MSG( ld->HasImage(), _T("should have an image") );
2343
2344 wxRect rect;
2345 rect.x = HEADER_OFFSET_X;
2346 rect.y = GetLineY(line);
2347 GetImageSize(ld->GetImage(), rect.width, rect.height);
2348
2349 return rect;
2350 }
2351
2352 wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const
2353 {
2354 return InReportView() ? GetLineRect(line)
2355 : GetLine(line)->m_gi->m_rectHighlight;
2356 }
2357
2358 long wxListMainWindow::HitTestLine(size_t line, int x, int y) const
2359 {
2360 wxASSERT_MSG( line < GetItemCount(), _T("invalid line in HitTestLine") );
2361
2362 wxListLineData *ld = GetLine(line);
2363
2364 if ( ld->HasImage() && GetLineIconRect(line).Inside(x, y) )
2365 return wxLIST_HITTEST_ONITEMICON;
2366
2367 // VS: Testing for "ld->HasText() || InReportView()" instead of
2368 // "ld->HasText()" is needed to make empty lines in report view
2369 // possible
2370 if ( ld->HasText() || InReportView() )
2371 {
2372 wxRect rect = InReportView() ? GetLineRect(line)
2373 : GetLineLabelRect(line);
2374
2375 if ( rect.Inside(x, y) )
2376 return wxLIST_HITTEST_ONITEMLABEL;
2377 }
2378
2379 return 0;
2380 }
2381
2382 // ----------------------------------------------------------------------------
2383 // highlight (selection) handling
2384 // ----------------------------------------------------------------------------
2385
2386 bool wxListMainWindow::IsHighlighted(size_t line) const
2387 {
2388 if ( IsVirtual() )
2389 {
2390 return m_selStore.IsSelected(line);
2391 }
2392 else // !virtual
2393 {
2394 wxListLineData *ld = GetLine(line);
2395 wxCHECK_MSG( ld, FALSE, _T("invalid index in IsHighlighted") );
2396
2397 return ld->IsHighlighted();
2398 }
2399 }
2400
2401 void wxListMainWindow::HighlightLines( size_t lineFrom,
2402 size_t lineTo,
2403 bool highlight )
2404 {
2405 if ( IsVirtual() )
2406 {
2407 wxArrayInt linesChanged;
2408 if ( !m_selStore.SelectRange(lineFrom, lineTo, highlight,
2409 &linesChanged) )
2410 {
2411 // meny items changed state, refresh everything
2412 RefreshLines(lineFrom, lineTo);
2413 }
2414 else // only a few items changed state, refresh only them
2415 {
2416 size_t count = linesChanged.GetCount();
2417 for ( size_t n = 0; n < count; n++ )
2418 {
2419 RefreshLine(linesChanged[n]);
2420 }
2421 }
2422 }
2423 else // iterate over all items in non report view
2424 {
2425 for ( size_t line = lineFrom; line <= lineTo; line++ )
2426 {
2427 if ( HighlightLine(line, highlight) )
2428 {
2429 RefreshLine(line);
2430 }
2431 }
2432 }
2433 }
2434
2435 bool wxListMainWindow::HighlightLine( size_t line, bool highlight )
2436 {
2437 bool changed;
2438
2439 if ( IsVirtual() )
2440 {
2441 changed = m_selStore.SelectItem(line, highlight);
2442 }
2443 else // !virtual
2444 {
2445 wxListLineData *ld = GetLine(line);
2446 wxCHECK_MSG( ld, FALSE, _T("invalid index in HighlightLine") );
2447
2448 changed = ld->Highlight(highlight);
2449 }
2450
2451 if ( changed )
2452 {
2453 SendNotify( line, highlight ? wxEVT_COMMAND_LIST_ITEM_SELECTED
2454 : wxEVT_COMMAND_LIST_ITEM_DESELECTED );
2455 }
2456
2457 return changed;
2458 }
2459
2460 void wxListMainWindow::RefreshLine( size_t line )
2461 {
2462 if ( HasFlag(wxLC_REPORT) )
2463 {
2464 size_t visibleFrom, visibleTo;
2465 GetVisibleLinesRange(&visibleFrom, &visibleTo);
2466
2467 if ( line < visibleFrom || line > visibleTo )
2468 return;
2469 }
2470
2471 wxRect rect = GetLineRect(line);
2472
2473 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2474 RefreshRect( rect );
2475 }
2476
2477 void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo )
2478 {
2479 // we suppose that they are ordered by caller
2480 wxASSERT_MSG( lineFrom <= lineTo, _T("indices in disorder") );
2481
2482 wxASSERT_MSG( lineTo < GetItemCount(), _T("invalid line range") );
2483
2484 if ( HasFlag(wxLC_REPORT) )
2485 {
2486 size_t visibleFrom, visibleTo;
2487 GetVisibleLinesRange(&visibleFrom, &visibleTo);
2488
2489 if ( lineFrom < visibleFrom )
2490 lineFrom = visibleFrom;
2491 if ( lineTo > visibleTo )
2492 lineTo = visibleTo;
2493
2494 wxRect rect;
2495 rect.x = 0;
2496 rect.y = GetLineY(lineFrom);
2497 rect.width = GetClientSize().x;
2498 rect.height = GetLineY(lineTo) - rect.y + GetLineHeight();
2499
2500 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2501 RefreshRect( rect );
2502 }
2503 else // !report
2504 {
2505 // TODO: this should be optimized...
2506 for ( size_t line = lineFrom; line <= lineTo; line++ )
2507 {
2508 RefreshLine(line);
2509 }
2510 }
2511 }
2512
2513 void wxListMainWindow::RefreshAfter( size_t lineFrom )
2514 {
2515 if ( HasFlag(wxLC_REPORT) )
2516 {
2517 size_t visibleFrom, visibleTo;
2518 GetVisibleLinesRange(&visibleFrom, &visibleTo);
2519
2520 if ( lineFrom < visibleFrom )
2521 lineFrom = visibleFrom;
2522 else if ( lineFrom > visibleTo )
2523 return;
2524
2525 wxRect rect;
2526 rect.x = 0;
2527 rect.y = GetLineY(lineFrom);
2528 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2529
2530 wxSize size = GetClientSize();
2531 rect.width = size.x;
2532 // refresh till the bottom of the window
2533 rect.height = size.y - rect.y;
2534
2535 RefreshRect( rect );
2536 }
2537 else // !report
2538 {
2539 // TODO: how to do it more efficiently?
2540 m_dirty = TRUE;
2541 }
2542 }
2543
2544 void wxListMainWindow::RefreshSelected()
2545 {
2546 if ( IsEmpty() )
2547 return;
2548
2549 size_t from, to;
2550 if ( InReportView() )
2551 {
2552 GetVisibleLinesRange(&from, &to);
2553 }
2554 else // !virtual
2555 {
2556 from = 0;
2557 to = GetItemCount() - 1;
2558 }
2559
2560 if ( HasCurrent() && m_current >= from && m_current <= to )
2561 {
2562 RefreshLine(m_current);
2563 }
2564
2565 for ( size_t line = from; line <= to; line++ )
2566 {
2567 // NB: the test works as expected even if m_current == -1
2568 if ( line != m_current && IsHighlighted(line) )
2569 {
2570 RefreshLine(line);
2571 }
2572 }
2573 }
2574
2575 void wxListMainWindow::Freeze()
2576 {
2577 m_freezeCount++;
2578 }
2579
2580 void wxListMainWindow::Thaw()
2581 {
2582 wxCHECK_RET( m_freezeCount > 0, _T("thawing unfrozen list control?") );
2583
2584 if ( !--m_freezeCount )
2585 {
2586 Refresh();
2587 }
2588 }
2589
2590 void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2591 {
2592 // Note: a wxPaintDC must be constructed even if no drawing is
2593 // done (a Windows requirement).
2594 wxPaintDC dc( this );
2595
2596 if ( IsEmpty() || m_freezeCount )
2597 {
2598 // nothing to draw or not the moment to draw it
2599 return;
2600 }
2601
2602 if ( m_dirty )
2603 {
2604 // delay the repainting until we calculate all the items positions
2605 return;
2606 }
2607
2608 PrepareDC( dc );
2609
2610 int dev_x, dev_y;
2611 CalcScrolledPosition( 0, 0, &dev_x, &dev_y );
2612
2613 dc.BeginDrawing();
2614
2615 dc.SetFont( GetFont() );
2616
2617 if ( HasFlag(wxLC_REPORT) )
2618 {
2619 int lineHeight = GetLineHeight();
2620
2621 size_t visibleFrom, visibleTo;
2622 GetVisibleLinesRange(&visibleFrom, &visibleTo);
2623
2624 wxRect rectLine;
2625 wxCoord xOrig, yOrig;
2626 CalcUnscrolledPosition(0, 0, &xOrig, &yOrig);
2627
2628 // tell the caller cache to cache the data
2629 if ( IsVirtual() )
2630 {
2631 wxListEvent evCache(wxEVT_COMMAND_LIST_CACHE_HINT,
2632 GetParent()->GetId());
2633 evCache.SetEventObject( GetParent() );
2634 evCache.m_oldItemIndex = visibleFrom;
2635 evCache.m_itemIndex = visibleTo;
2636 GetParent()->GetEventHandler()->ProcessEvent( evCache );
2637 }
2638
2639 for ( size_t line = visibleFrom; line <= visibleTo; line++ )
2640 {
2641 rectLine = GetLineRect(line);
2642
2643 if ( !IsExposed(rectLine.x - xOrig, rectLine.y - yOrig,
2644 rectLine.width, rectLine.height) )
2645 {
2646 // don't redraw unaffected lines to avoid flicker
2647 continue;
2648 }
2649
2650 GetLine(line)->DrawInReportMode( &dc,
2651 rectLine,
2652 GetLineHighlightRect(line),
2653 IsHighlighted(line) );
2654 }
2655
2656 if ( HasFlag(wxLC_HRULES) )
2657 {
2658 wxPen pen(GetRuleColour(), 1, wxSOLID);
2659 wxSize clientSize = GetClientSize();
2660
2661 // Don't draw the first one
2662 for ( size_t i = visibleFrom+1; i <= visibleTo; i++ )
2663 {
2664 dc.SetPen(pen);
2665 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2666 dc.DrawLine(0 - dev_x, i*lineHeight,
2667 clientSize.x - dev_x, i*lineHeight);
2668 }
2669
2670 // Draw last horizontal rule
2671 if ( visibleTo == GetItemCount() - 1 )
2672 {
2673 dc.SetPen(pen);
2674 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2675 dc.DrawLine(0 - dev_x, (m_lineTo+1)*lineHeight,
2676 clientSize.x - dev_x , (m_lineTo+1)*lineHeight );
2677 }
2678 }
2679
2680 // Draw vertical rules if required
2681 if ( HasFlag(wxLC_VRULES) && !IsEmpty() )
2682 {
2683 wxPen pen(GetRuleColour(), 1, wxSOLID);
2684
2685 wxRect firstItemRect;
2686 wxRect lastItemRect;
2687 GetItemRect(visibleFrom, firstItemRect);
2688 GetItemRect(visibleTo, lastItemRect);
2689 int x = firstItemRect.GetX();
2690 dc.SetPen(pen);
2691 dc.SetBrush(* wxTRANSPARENT_BRUSH);
2692 for (int col = 0; col < GetColumnCount(); col++)
2693 {
2694 int colWidth = GetColumnWidth(col);
2695 x += colWidth;
2696 dc.DrawLine(x - dev_x - 2, firstItemRect.GetY() - 1 - dev_y,
2697 x - dev_x - 2, lastItemRect.GetBottom() + 1 - dev_y);
2698 }
2699 }
2700 }
2701 else // !report
2702 {
2703 size_t count = GetItemCount();
2704 for ( size_t i = 0; i < count; i++ )
2705 {
2706 GetLine(i)->Draw( &dc );
2707 }
2708 }
2709
2710 if ( HasCurrent() )
2711 {
2712 // don't draw rect outline under Max if we already have the background
2713 // color but under other platforms only draw it if we do: it is a bit
2714 // silly to draw "focus rect" if we don't have focus!
2715 #ifdef __WXMAC__
2716 if ( !m_hasFocus )
2717 #else // !__WXMAC__
2718 if ( m_hasFocus )
2719 #endif // __WXMAC__/!__WXMAC__
2720 {
2721 dc.SetPen( *wxBLACK_PEN );
2722 dc.SetBrush( *wxTRANSPARENT_BRUSH );
2723 dc.DrawRectangle( GetLineHighlightRect(m_current) );
2724 }
2725 }
2726
2727 dc.EndDrawing();
2728 }
2729
2730 void wxListMainWindow::HighlightAll( bool on )
2731 {
2732 if ( IsSingleSel() )
2733 {
2734 wxASSERT_MSG( !on, _T("can't do this in a single sel control") );
2735
2736 // we just have one item to turn off
2737 if ( HasCurrent() && IsHighlighted(m_current) )
2738 {
2739 HighlightLine(m_current, FALSE);
2740 RefreshLine(m_current);
2741 }
2742 }
2743 else // multi sel
2744 {
2745 HighlightLines(0, GetItemCount() - 1, on);
2746 }
2747 }
2748
2749 void wxListMainWindow::SendNotify( size_t line,
2750 wxEventType command,
2751 wxPoint point )
2752 {
2753 wxListEvent le( command, GetParent()->GetId() );
2754 le.SetEventObject( GetParent() );
2755 le.m_itemIndex = line;
2756
2757 // set only for events which have position
2758 if ( point != wxDefaultPosition )
2759 le.m_pointDrag = point;
2760
2761 // don't try to get the line info for virtual list controls: the main
2762 // program has it anyhow and if we did it would result in accessing all
2763 // the lines, even those which are not visible now and this is precisely
2764 // what we're trying to avoid
2765 if ( !IsVirtual() && (command != wxEVT_COMMAND_LIST_DELETE_ITEM) )
2766 {
2767 if ( line != (size_t)-1 )
2768 {
2769 GetLine(line)->GetItem( 0, le.m_item );
2770 }
2771 //else: this happens for wxEVT_COMMAND_LIST_ITEM_FOCUSED event
2772 }
2773 //else: there may be no more such item
2774
2775 GetParent()->GetEventHandler()->ProcessEvent( le );
2776 }
2777
2778 void wxListMainWindow::ChangeCurrent(size_t current)
2779 {
2780 m_current = current;
2781
2782 SendNotify(current, wxEVT_COMMAND_LIST_ITEM_FOCUSED);
2783 }
2784
2785 void wxListMainWindow::EditLabel( long item )
2786 {
2787 wxCHECK_RET( (item >= 0) && ((size_t)item < GetItemCount()),
2788 wxT("wrong index in wxGenericListCtrl::EditLabel()") );
2789
2790 size_t itemEdit = (size_t)item;
2791
2792 wxListEvent le( wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT, GetParent()->GetId() );
2793 le.SetEventObject( GetParent() );
2794 le.m_itemIndex = item;
2795 wxListLineData *data = GetLine(itemEdit);
2796 wxCHECK_RET( data, _T("invalid index in EditLabel()") );
2797 data->GetItem( 0, le.m_item );
2798 if ( GetParent()->GetEventHandler()->ProcessEvent( le ) && !le.IsAllowed() )
2799 {
2800 // vetoed by user code
2801 return;
2802 }
2803
2804 // We have to call this here because the label in question might just have
2805 // been added and no screen update taken place.
2806 if ( m_dirty )
2807 wxSafeYield();
2808
2809 wxListTextCtrl *text = new wxListTextCtrl(this, itemEdit);
2810
2811 text->SetFocus();
2812 }
2813
2814 void wxListMainWindow::OnRenameTimer()
2815 {
2816 wxCHECK_RET( HasCurrent(), wxT("unexpected rename timer") );
2817
2818 EditLabel( m_current );
2819 }
2820
2821 bool wxListMainWindow::OnRenameAccept(size_t itemEdit, const wxString& value)
2822 {
2823 wxListEvent le( wxEVT_COMMAND_LIST_END_LABEL_EDIT, GetParent()->GetId() );
2824 le.SetEventObject( GetParent() );
2825 le.m_itemIndex = itemEdit;
2826
2827 wxListLineData *data = GetLine(itemEdit);
2828 wxCHECK_MSG( data, FALSE, _T("invalid index in OnRenameAccept()") );
2829
2830 data->GetItem( 0, le.m_item );
2831 le.m_item.m_text = value;
2832 return !GetParent()->GetEventHandler()->ProcessEvent( le ) ||
2833 le.IsAllowed();
2834 }
2835
2836 void wxListMainWindow::OnRenameCancelled(size_t itemEdit)
2837 {
2838 // let owner know that the edit was cancelled
2839 wxListEvent le( wxEVT_COMMAND_LIST_END_LABEL_EDIT, GetParent()->GetId() );
2840
2841 le.SetEditCanceled(TRUE);
2842
2843 le.SetEventObject( GetParent() );
2844 le.m_itemIndex = itemEdit;
2845
2846 wxListLineData *data = GetLine(itemEdit);
2847 wxCHECK_RET( data, _T("invalid index in OnRenameCancelled()") );
2848
2849 data->GetItem( 0, le.m_item );
2850
2851 GetEventHandler()->ProcessEvent( le );
2852 }
2853
2854 void wxListMainWindow::OnMouse( wxMouseEvent &event )
2855 {
2856 event.SetEventObject( GetParent() );
2857 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
2858 return;
2859
2860 if ( !HasCurrent() || IsEmpty() )
2861 return;
2862
2863 if (m_dirty)
2864 return;
2865
2866 if ( !(event.Dragging() || event.ButtonDown() || event.LeftUp() ||
2867 event.ButtonDClick()) )
2868 return;
2869
2870 int x = event.GetX();
2871 int y = event.GetY();
2872 CalcUnscrolledPosition( x, y, &x, &y );
2873
2874 // where did we hit it (if we did)?
2875 long hitResult = 0;
2876
2877 size_t count = GetItemCount(),
2878 current;
2879
2880 if ( HasFlag(wxLC_REPORT) )
2881 {
2882 current = y / GetLineHeight();
2883 if ( current < count )
2884 hitResult = HitTestLine(current, x, y);
2885 }
2886 else // !report
2887 {
2888 // TODO: optimize it too! this is less simple than for report view but
2889 // enumerating all items is still not a way to do it!!
2890 for ( current = 0; current < count; current++ )
2891 {
2892 hitResult = HitTestLine(current, x, y);
2893 if ( hitResult )
2894 break;
2895 }
2896 }
2897
2898 if (event.Dragging())
2899 {
2900 if (m_dragCount == 0)
2901 {
2902 // we have to report the raw, physical coords as we want to be
2903 // able to call HitTest(event.m_pointDrag) from the user code to
2904 // get the item being dragged
2905 m_dragStart = event.GetPosition();
2906 }
2907
2908 m_dragCount++;
2909
2910 if (m_dragCount != 3)
2911 return;
2912
2913 int command = event.RightIsDown() ? wxEVT_COMMAND_LIST_BEGIN_RDRAG
2914 : wxEVT_COMMAND_LIST_BEGIN_DRAG;
2915
2916 wxListEvent le( command, GetParent()->GetId() );
2917 le.SetEventObject( GetParent() );
2918 le.m_itemIndex = current;
2919 le.m_pointDrag = m_dragStart;
2920 GetParent()->GetEventHandler()->ProcessEvent( le );
2921
2922 return;
2923 }
2924 else
2925 {
2926 m_dragCount = 0;
2927 }
2928
2929 if ( !hitResult )
2930 {
2931 // outside of any item
2932 return;
2933 }
2934
2935 bool forceClick = FALSE;
2936 if (event.ButtonDClick())
2937 {
2938 m_renameTimer->Stop();
2939 m_lastOnSame = FALSE;
2940
2941 if ( current == m_lineLastClicked )
2942 {
2943 SendNotify( current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED );
2944
2945 return;
2946 }
2947 else
2948 {
2949 // the first click was on another item, so don't interpret this as
2950 // a double click, but as a simple click instead
2951 forceClick = TRUE;
2952 }
2953 }
2954
2955 if (event.LeftUp() && m_lastOnSame)
2956 {
2957 if ((current == m_current) &&
2958 (hitResult == wxLIST_HITTEST_ONITEMLABEL) &&
2959 HasFlag(wxLC_EDIT_LABELS) )
2960 {
2961 m_renameTimer->Start( 100, TRUE );
2962 }
2963 m_lastOnSame = FALSE;
2964 }
2965 else if (event.RightDown())
2966 {
2967 SendNotify( current, wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK,
2968 event.GetPosition() );
2969 }
2970 else if (event.MiddleDown())
2971 {
2972 SendNotify( current, wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK );
2973 }
2974 else if ( event.LeftDown() || forceClick )
2975 {
2976 m_lineBeforeLastClicked = m_lineLastClicked;
2977 m_lineLastClicked = current;
2978
2979 size_t oldCurrent = m_current;
2980
2981 if ( IsSingleSel() || !(event.ControlDown() || event.ShiftDown()) )
2982 {
2983 HighlightAll( FALSE );
2984
2985 ChangeCurrent(current);
2986
2987 ReverseHighlight(m_current);
2988 }
2989 else // multi sel & either ctrl or shift is down
2990 {
2991 if (event.ControlDown())
2992 {
2993 ChangeCurrent(current);
2994
2995 ReverseHighlight(m_current);
2996 }
2997 else if (event.ShiftDown())
2998 {
2999 ChangeCurrent(current);
3000
3001 size_t lineFrom = oldCurrent,
3002 lineTo = current;
3003
3004 if ( lineTo < lineFrom )
3005 {
3006 lineTo = lineFrom;
3007 lineFrom = m_current;
3008 }
3009
3010 HighlightLines(lineFrom, lineTo);
3011 }
3012 else // !ctrl, !shift
3013 {
3014 // test in the enclosing if should make it impossible
3015 wxFAIL_MSG( _T("how did we get here?") );
3016 }
3017 }
3018
3019 if (m_current != oldCurrent)
3020 {
3021 RefreshLine( oldCurrent );
3022 }
3023
3024 // forceClick is only set if the previous click was on another item
3025 m_lastOnSame = !forceClick && (m_current == oldCurrent);
3026 }
3027 }
3028
3029 void wxListMainWindow::MoveToItem(size_t item)
3030 {
3031 if ( item == (size_t)-1 )
3032 return;
3033
3034 wxRect rect = GetLineRect(item);
3035
3036 int client_w, client_h;
3037 GetClientSize( &client_w, &client_h );
3038
3039 int view_x = SCROLL_UNIT_X*GetScrollPos( wxHORIZONTAL );
3040 int view_y = SCROLL_UNIT_Y*GetScrollPos( wxVERTICAL );
3041
3042 if ( HasFlag(wxLC_REPORT) )
3043 {
3044 // the next we need the range of lines shown it might be different, so
3045 // recalculate it
3046 ResetVisibleLinesRange();
3047
3048 if (rect.y < view_y )
3049 Scroll( -1, rect.y/SCROLL_UNIT_Y );
3050 if (rect.y+rect.height+5 > view_y+client_h)
3051 Scroll( -1, (rect.y+rect.height-client_h+SCROLL_UNIT_Y)/SCROLL_UNIT_Y );
3052 }
3053 else // !report
3054 {
3055 if (rect.x-view_x < 5)
3056 Scroll( (rect.x-5)/SCROLL_UNIT_X, -1 );
3057 if (rect.x+rect.width-5 > view_x+client_w)
3058 Scroll( (rect.x+rect.width-client_w+SCROLL_UNIT_X)/SCROLL_UNIT_X, -1 );
3059 }
3060 }
3061
3062 // ----------------------------------------------------------------------------
3063 // keyboard handling
3064 // ----------------------------------------------------------------------------
3065
3066 void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event)
3067 {
3068 wxCHECK_RET( newCurrent < (size_t)GetItemCount(),
3069 _T("invalid item index in OnArrowChar()") );
3070
3071 size_t oldCurrent = m_current;
3072
3073 // in single selection we just ignore Shift as we can't select several
3074 // items anyhow
3075 if ( event.ShiftDown() && !IsSingleSel() )
3076 {
3077 ChangeCurrent(newCurrent);
3078
3079 // select all the items between the old and the new one
3080 if ( oldCurrent > newCurrent )
3081 {
3082 newCurrent = oldCurrent;
3083 oldCurrent = m_current;
3084 }
3085
3086 HighlightLines(oldCurrent, newCurrent);
3087 }
3088 else // !shift
3089 {
3090 // all previously selected items are unselected unless ctrl is held
3091 if ( !event.ControlDown() )
3092 HighlightAll(FALSE);
3093
3094 ChangeCurrent(newCurrent);
3095
3096 // refresh the old focus to remove it
3097 RefreshLine( oldCurrent );
3098
3099 if ( !event.ControlDown() )
3100 {
3101 HighlightLine( m_current, TRUE );
3102 }
3103 }
3104
3105 RefreshLine( m_current );
3106
3107 MoveToFocus();
3108 }
3109
3110 void wxListMainWindow::OnKeyDown( wxKeyEvent &event )
3111 {
3112 wxWindow *parent = GetParent();
3113
3114 /* we propagate the key event up */
3115 wxKeyEvent ke( wxEVT_KEY_DOWN );
3116 ke.m_shiftDown = event.m_shiftDown;
3117 ke.m_controlDown = event.m_controlDown;
3118 ke.m_altDown = event.m_altDown;
3119 ke.m_metaDown = event.m_metaDown;
3120 ke.m_keyCode = event.m_keyCode;
3121 ke.m_x = event.m_x;
3122 ke.m_y = event.m_y;
3123 ke.SetEventObject( parent );
3124 if (parent->GetEventHandler()->ProcessEvent( ke )) return;
3125
3126 event.Skip();
3127 }
3128
3129 void wxListMainWindow::OnChar( wxKeyEvent &event )
3130 {
3131 wxWindow *parent = GetParent();
3132
3133 /* we send a list_key event up */
3134 if ( HasCurrent() )
3135 {
3136 wxListEvent le( wxEVT_COMMAND_LIST_KEY_DOWN, GetParent()->GetId() );
3137 le.m_itemIndex = m_current;
3138 GetLine(m_current)->GetItem( 0, le.m_item );
3139 le.m_code = event.GetKeyCode();
3140 le.SetEventObject( parent );
3141 parent->GetEventHandler()->ProcessEvent( le );
3142 }
3143
3144 /* we propagate the char event up */
3145 wxKeyEvent ke( wxEVT_CHAR );
3146 ke.m_shiftDown = event.m_shiftDown;
3147 ke.m_controlDown = event.m_controlDown;
3148 ke.m_altDown = event.m_altDown;
3149 ke.m_metaDown = event.m_metaDown;
3150 ke.m_keyCode = event.m_keyCode;
3151 ke.m_x = event.m_x;
3152 ke.m_y = event.m_y;
3153 ke.SetEventObject( parent );
3154 if (parent->GetEventHandler()->ProcessEvent( ke )) return;
3155
3156 if (event.GetKeyCode() == WXK_TAB)
3157 {
3158 wxNavigationKeyEvent nevent;
3159 nevent.SetWindowChange( event.ControlDown() );
3160 nevent.SetDirection( !event.ShiftDown() );
3161 nevent.SetEventObject( GetParent()->GetParent() );
3162 nevent.SetCurrentFocus( m_parent );
3163 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3164 return;
3165 }
3166
3167 /* no item -> nothing to do */
3168 if (!HasCurrent())
3169 {
3170 event.Skip();
3171 return;
3172 }
3173
3174 switch (event.GetKeyCode())
3175 {
3176 case WXK_UP:
3177 if ( m_current > 0 )
3178 OnArrowChar( m_current - 1, event );
3179 break;
3180
3181 case WXK_DOWN:
3182 if ( m_current < (size_t)GetItemCount() - 1 )
3183 OnArrowChar( m_current + 1, event );
3184 break;
3185
3186 case WXK_END:
3187 if (!IsEmpty())
3188 OnArrowChar( GetItemCount() - 1, event );
3189 break;
3190
3191 case WXK_HOME:
3192 if (!IsEmpty())
3193 OnArrowChar( 0, event );
3194 break;
3195
3196 case WXK_PRIOR:
3197 {
3198 int steps = HasFlag(wxLC_REPORT) ? m_linesPerPage - 1 : m_current % m_linesPerPage;
3199
3200 int index = m_current - steps;
3201 if (index < 0)
3202 index = 0;
3203
3204 OnArrowChar( index, event );
3205 }
3206 break;
3207
3208 case WXK_NEXT:
3209 {
3210 int steps = HasFlag(wxLC_REPORT)
3211 ? m_linesPerPage - 1
3212 : m_linesPerPage - (m_current % m_linesPerPage) - 1;
3213
3214 size_t index = m_current + steps;
3215 size_t count = GetItemCount();
3216 if ( index >= count )
3217 index = count - 1;
3218
3219 OnArrowChar( index, event );
3220 }
3221 break;
3222
3223 case WXK_LEFT:
3224 if ( !HasFlag(wxLC_REPORT) )
3225 {
3226 int index = m_current - m_linesPerPage;
3227 if (index < 0)
3228 index = 0;
3229
3230 OnArrowChar( index, event );
3231 }
3232 break;
3233
3234 case WXK_RIGHT:
3235 if ( !HasFlag(wxLC_REPORT) )
3236 {
3237 size_t index = m_current + m_linesPerPage;
3238
3239 size_t count = GetItemCount();
3240 if ( index >= count )
3241 index = count - 1;
3242
3243 OnArrowChar( index, event );
3244 }
3245 break;
3246
3247 case WXK_SPACE:
3248 if ( IsSingleSel() )
3249 {
3250 SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED );
3251
3252 if ( IsHighlighted(m_current) )
3253 {
3254 // don't unselect the item in single selection mode
3255 break;
3256 }
3257 //else: select it in ReverseHighlight() below if unselected
3258 }
3259
3260 ReverseHighlight(m_current);
3261 break;
3262
3263 case WXK_RETURN:
3264 case WXK_EXECUTE:
3265 SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED );
3266 break;
3267
3268 default:
3269 event.Skip();
3270 }
3271 }
3272
3273 // ----------------------------------------------------------------------------
3274 // focus handling
3275 // ----------------------------------------------------------------------------
3276
3277 void wxListMainWindow::SetFocus()
3278 {
3279 // VS: wxListMainWindow derives from wxPanel (via wxScrolledWindow) and wxPanel
3280 // overrides SetFocus in such way that it does never change focus from
3281 // panel's child to the panel itself. Unfortunately, we must be able to change
3282 // focus to the panel from wxListTextCtrl because the text control should
3283 // disappear when the user clicks outside it.
3284
3285 wxWindow *oldFocus = FindFocus();
3286
3287 if ( oldFocus && oldFocus->GetParent() == this )
3288 {
3289 wxWindow::SetFocus();
3290 }
3291 else
3292 {
3293 wxScrolledWindow::SetFocus();
3294 }
3295 }
3296
3297 void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
3298 {
3299 if ( GetParent() )
3300 {
3301 wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() );
3302 event.SetEventObject( GetParent() );
3303 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
3304 return;
3305 }
3306
3307 // wxGTK sends us EVT_SET_FOCUS events even if we had never got
3308 // EVT_KILL_FOCUS before which means that we finish by redrawing the items
3309 // which are already drawn correctly resulting in horrible flicker - avoid
3310 // it
3311 if ( !m_hasFocus )
3312 {
3313 m_hasFocus = TRUE;
3314
3315 RefreshSelected();
3316 }
3317 }
3318
3319 void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
3320 {
3321 if ( GetParent() )
3322 {
3323 wxFocusEvent event( wxEVT_KILL_FOCUS, GetParent()->GetId() );
3324 event.SetEventObject( GetParent() );
3325 if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
3326 return;
3327 }
3328 m_hasFocus = FALSE;
3329 RefreshSelected();
3330 }
3331
3332 void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y )
3333 {
3334 if ( HasFlag(wxLC_ICON) && (m_normal_image_list))
3335 {
3336 m_normal_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3337 }
3338 else if ( HasFlag(wxLC_SMALL_ICON) && (m_small_image_list))
3339 {
3340 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3341 }
3342 else if ( HasFlag(wxLC_LIST) && (m_small_image_list))
3343 {
3344 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3345 }
3346 else if ( HasFlag(wxLC_REPORT) && (m_small_image_list))
3347 {
3348 m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
3349 }
3350 }
3351
3352 void wxListMainWindow::GetImageSize( int index, int &width, int &height ) const
3353 {
3354 if ( HasFlag(wxLC_ICON) && m_normal_image_list )
3355 {
3356 m_normal_image_list->GetSize( index, width, height );
3357 }
3358 else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
3359 {
3360 m_small_image_list->GetSize( index, width, height );
3361 }
3362 else if ( HasFlag(wxLC_LIST) && m_small_image_list )
3363 {
3364 m_small_image_list->GetSize( index, width, height );
3365 }
3366 else if ( HasFlag(wxLC_REPORT) && m_small_image_list )
3367 {
3368 m_small_image_list->GetSize( index, width, height );
3369 }
3370 else
3371 {
3372 width =
3373 height = 0;
3374 }
3375 }
3376
3377 int wxListMainWindow::GetTextLength( const wxString &s ) const
3378 {
3379 wxClientDC dc( wxConstCast(this, wxListMainWindow) );
3380 dc.SetFont( GetFont() );
3381
3382 wxCoord lw;
3383 dc.GetTextExtent( s, &lw, NULL );
3384
3385 return lw + AUTOSIZE_COL_MARGIN;
3386 }
3387
3388 void wxListMainWindow::SetImageList( wxImageListType *imageList, int which )
3389 {
3390 m_dirty = TRUE;
3391
3392 // calc the spacing from the icon size
3393 int width = 0,
3394 height = 0;
3395 if ((imageList) && (imageList->GetImageCount()) )
3396 {
3397 imageList->GetSize(0, width, height);
3398 }
3399
3400 if (which == wxIMAGE_LIST_NORMAL)
3401 {
3402 m_normal_image_list = imageList;
3403 m_normal_spacing = width + 8;
3404 }
3405
3406 if (which == wxIMAGE_LIST_SMALL)
3407 {
3408 m_small_image_list = imageList;
3409 m_small_spacing = width + 14;
3410 m_lineHeight = 0; // ensure that the line height will be recalc'd
3411 }
3412 }
3413
3414 void wxListMainWindow::SetItemSpacing( int spacing, bool isSmall )
3415 {
3416 m_dirty = TRUE;
3417 if (isSmall)
3418 {
3419 m_small_spacing = spacing;
3420 }
3421 else
3422 {
3423 m_normal_spacing = spacing;
3424 }
3425 }
3426
3427 int wxListMainWindow::GetItemSpacing( bool isSmall )
3428 {
3429 return isSmall ? m_small_spacing : m_normal_spacing;
3430 }
3431
3432 // ----------------------------------------------------------------------------
3433 // columns
3434 // ----------------------------------------------------------------------------
3435
3436 void wxListMainWindow::SetColumn( int col, wxListItem &item )
3437 {
3438 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3439
3440 wxCHECK_RET( node, _T("invalid column index in SetColumn") );
3441
3442 if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER )
3443 item.m_width = GetTextLength( item.m_text );
3444
3445 wxListHeaderData *column = node->GetData();
3446 column->SetItem( item );
3447
3448 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3449 if ( headerWin )
3450 headerWin->m_dirty = TRUE;
3451
3452 m_dirty = TRUE;
3453
3454 // invalidate it as it has to be recalculated
3455 m_headerWidth = 0;
3456 }
3457
3458 void wxListMainWindow::SetColumnWidth( int col, int width )
3459 {
3460 wxCHECK_RET( col >= 0 && col < GetColumnCount(),
3461 _T("invalid column index") );
3462
3463 wxCHECK_RET( HasFlag(wxLC_REPORT),
3464 _T("SetColumnWidth() can only be called in report mode.") );
3465
3466 m_dirty = TRUE;
3467 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
3468 if ( headerWin )
3469 headerWin->m_dirty = TRUE;
3470
3471 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3472 wxCHECK_RET( node, _T("no column?") );
3473
3474 wxListHeaderData *column = node->GetData();
3475
3476 size_t count = GetItemCount();
3477
3478 if (width == wxLIST_AUTOSIZE_USEHEADER)
3479 {
3480 width = GetTextLength(column->GetText());
3481 }
3482 else if ( width == wxLIST_AUTOSIZE )
3483 {
3484 if ( IsVirtual() )
3485 {
3486 // TODO: determine the max width somehow...
3487 width = WIDTH_COL_DEFAULT;
3488 }
3489 else // !virtual
3490 {
3491 wxClientDC dc(this);
3492 dc.SetFont( GetFont() );
3493
3494 int max = AUTOSIZE_COL_MARGIN;
3495
3496 for ( size_t i = 0; i < count; i++ )
3497 {
3498 wxListLineData *line = GetLine(i);
3499 wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
3500
3501 wxCHECK_RET( n, _T("no subitem?") );
3502
3503 wxListItemData *item = n->GetData();
3504 int current = 0;
3505
3506 if (item->HasImage())
3507 {
3508 int ix, iy;
3509 GetImageSize( item->GetImage(), ix, iy );
3510 current += ix + 5;
3511 }
3512
3513 if (item->HasText())
3514 {
3515 wxCoord w;
3516 dc.GetTextExtent( item->GetText(), &w, NULL );
3517 current += w;
3518 }
3519
3520 if (current > max)
3521 max = current;
3522 }
3523
3524 width = max + AUTOSIZE_COL_MARGIN;
3525 }
3526 }
3527
3528 column->SetWidth( width );
3529
3530 // invalidate it as it has to be recalculated
3531 m_headerWidth = 0;
3532 }
3533
3534 int wxListMainWindow::GetHeaderWidth() const
3535 {
3536 if ( !m_headerWidth )
3537 {
3538 wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
3539
3540 size_t count = GetColumnCount();
3541 for ( size_t col = 0; col < count; col++ )
3542 {
3543 self->m_headerWidth += GetColumnWidth(col);
3544 }
3545 }
3546
3547 return m_headerWidth;
3548 }
3549
3550 void wxListMainWindow::GetColumn( int col, wxListItem &item ) const
3551 {
3552 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3553 wxCHECK_RET( node, _T("invalid column index in GetColumn") );
3554
3555 wxListHeaderData *column = node->GetData();
3556 column->GetItem( item );
3557 }
3558
3559 int wxListMainWindow::GetColumnWidth( int col ) const
3560 {
3561 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
3562 wxCHECK_MSG( node, 0, _T("invalid column index") );
3563
3564 wxListHeaderData *column = node->GetData();
3565 return column->GetWidth();
3566 }
3567
3568 // ----------------------------------------------------------------------------
3569 // item state
3570 // ----------------------------------------------------------------------------
3571
3572 void wxListMainWindow::SetItem( wxListItem &item )
3573 {
3574 long id = item.m_itemId;
3575 wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(),
3576 _T("invalid item index in SetItem") );
3577
3578 if ( !IsVirtual() )
3579 {
3580 wxListLineData *line = GetLine((size_t)id);
3581 line->SetItem( item.m_col, item );
3582 }
3583
3584 // update the item on screen
3585 wxRect rectItem;
3586 GetItemRect(id, rectItem);
3587 RefreshRect(rectItem);
3588 }
3589
3590 void wxListMainWindow::SetItemState( long litem, long state, long stateMask )
3591 {
3592 wxCHECK_RET( litem >= 0 && (size_t)litem < GetItemCount(),
3593 _T("invalid list ctrl item index in SetItem") );
3594
3595 size_t oldCurrent = m_current;
3596 size_t item = (size_t)litem; // safe because of the check above
3597
3598 // do we need to change the focus?
3599 if ( stateMask & wxLIST_STATE_FOCUSED )
3600 {
3601 if ( state & wxLIST_STATE_FOCUSED )
3602 {
3603 // don't do anything if this item is already focused
3604 if ( item != m_current )
3605 {
3606 ChangeCurrent(item);
3607
3608 if ( oldCurrent != (size_t)-1 )
3609 {
3610 if ( IsSingleSel() )
3611 {
3612 HighlightLine(oldCurrent, FALSE);
3613 }
3614
3615 RefreshLine(oldCurrent);
3616 }
3617
3618 RefreshLine( m_current );
3619 }
3620 }
3621 else // unfocus
3622 {
3623 // don't do anything if this item is not focused
3624 if ( item == m_current )
3625 {
3626 ResetCurrent();
3627
3628 if ( IsSingleSel() )
3629 {
3630 // we must unselect the old current item as well or we
3631 // might end up with more than one selected item in a
3632 // single selection control
3633 HighlightLine(oldCurrent, FALSE);
3634 }
3635
3636 RefreshLine( oldCurrent );
3637 }
3638 }
3639 }
3640
3641 // do we need to change the selection state?
3642 if ( stateMask & wxLIST_STATE_SELECTED )
3643 {
3644 bool on = (state & wxLIST_STATE_SELECTED) != 0;
3645
3646 if ( IsSingleSel() )
3647 {
3648 if ( on )
3649 {
3650 // selecting the item also makes it the focused one in the
3651 // single sel mode
3652 if ( m_current != item )
3653 {
3654 ChangeCurrent(item);
3655
3656 if ( oldCurrent != (size_t)-1 )
3657 {
3658 HighlightLine( oldCurrent, FALSE );
3659 RefreshLine( oldCurrent );
3660 }
3661 }
3662 }
3663 else // off
3664 {
3665 // only the current item may be selected anyhow
3666 if ( item != m_current )
3667 return;
3668 }
3669 }
3670
3671 if ( HighlightLine(item, on) )
3672 {
3673 RefreshLine(item);
3674 }
3675 }
3676 }
3677
3678 int wxListMainWindow::GetItemState( long item, long stateMask ) const
3679 {
3680 wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), 0,
3681 _T("invalid list ctrl item index in GetItemState()") );
3682
3683 int ret = wxLIST_STATE_DONTCARE;
3684
3685 if ( stateMask & wxLIST_STATE_FOCUSED )
3686 {
3687 if ( (size_t)item == m_current )
3688 ret |= wxLIST_STATE_FOCUSED;
3689 }
3690
3691 if ( stateMask & wxLIST_STATE_SELECTED )
3692 {
3693 if ( IsHighlighted(item) )
3694 ret |= wxLIST_STATE_SELECTED;
3695 }
3696
3697 return ret;
3698 }
3699
3700 void wxListMainWindow::GetItem( wxListItem &item ) const
3701 {
3702 wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId < GetItemCount(),
3703 _T("invalid item index in GetItem") );
3704
3705 wxListLineData *line = GetLine((size_t)item.m_itemId);
3706 line->GetItem( item.m_col, item );
3707 }
3708
3709 // ----------------------------------------------------------------------------
3710 // item count
3711 // ----------------------------------------------------------------------------
3712
3713 size_t wxListMainWindow::GetItemCount() const
3714 {
3715 return IsVirtual() ? m_countVirt : m_lines.GetCount();
3716 }
3717
3718 void wxListMainWindow::SetItemCount(long count)
3719 {
3720 m_selStore.SetItemCount(count);
3721 m_countVirt = count;
3722
3723 ResetVisibleLinesRange();
3724
3725 // scrollbars must be reset
3726 m_dirty = TRUE;
3727 }
3728
3729 int wxListMainWindow::GetSelectedItemCount() const
3730 {
3731 // deal with the quick case first
3732 if ( IsSingleSel() )
3733 {
3734 return HasCurrent() ? IsHighlighted(m_current) : FALSE;
3735 }
3736
3737 // virtual controls remmebers all its selections itself
3738 if ( IsVirtual() )
3739 return m_selStore.GetSelectedCount();
3740
3741 // TODO: we probably should maintain the number of items selected even for
3742 // non virtual controls as enumerating all lines is really slow...
3743 size_t countSel = 0;
3744 size_t count = GetItemCount();
3745 for ( size_t line = 0; line < count; line++ )
3746 {
3747 if ( GetLine(line)->IsHighlighted() )
3748 countSel++;
3749 }
3750
3751 return countSel;
3752 }
3753
3754 // ----------------------------------------------------------------------------
3755 // item position/size
3756 // ----------------------------------------------------------------------------
3757
3758 wxRect wxListMainWindow::GetViewRect() const
3759 {
3760 wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST),
3761 _T("wxListCtrl::GetViewRect() only works in icon mode") );
3762
3763 // we need to find the longest/tallest label
3764 wxCoord xMax = 0,
3765 yMax = 0;
3766 const int count = GetItemCount();
3767 if ( count )
3768 {
3769 for ( int i = 0; i < count; i++ )
3770 {
3771 wxRect r;
3772 GetItemRect(i, r);
3773
3774 wxCoord x = r.GetRight(),
3775 y = r.GetBottom();
3776
3777 if ( x > xMax )
3778 xMax = x;
3779 if ( y > yMax )
3780 yMax = y;
3781 }
3782 }
3783
3784 // some fudge needed to make it look prettier
3785 xMax += 2*EXTRA_BORDER_X;
3786 yMax += 2*EXTRA_BORDER_Y;
3787
3788 // account for the scrollbars if necessary
3789 const wxSize sizeAll = GetClientSize();
3790 if ( xMax > sizeAll.x )
3791 yMax += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
3792 if ( yMax > sizeAll.y )
3793 xMax += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
3794
3795 return wxRect(0, 0, xMax, yMax);
3796 }
3797
3798 void wxListMainWindow::GetItemRect( long index, wxRect &rect ) const
3799 {
3800 wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(),
3801 _T("invalid index in GetItemRect") );
3802
3803 // ensure that we're laid out, otherwise we could return nonsense
3804 if ( m_dirty )
3805 {
3806 wxConstCast(this, wxListMainWindow)->
3807 RecalculatePositions(TRUE /* no refresh */);
3808 }
3809
3810 rect = GetLineRect((size_t)index);
3811
3812 CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y);
3813 }
3814
3815 bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos) const
3816 {
3817 wxRect rect;
3818 GetItemRect(item, rect);
3819
3820 pos.x = rect.x;
3821 pos.y = rect.y;
3822
3823 return TRUE;
3824 }
3825
3826 // ----------------------------------------------------------------------------
3827 // geometry calculation
3828 // ----------------------------------------------------------------------------
3829
3830 void wxListMainWindow::RecalculatePositions(bool noRefresh)
3831 {
3832 wxClientDC dc( this );
3833 dc.SetFont( GetFont() );
3834
3835 const size_t count = GetItemCount();
3836
3837 int iconSpacing;
3838 if ( HasFlag(wxLC_ICON) )
3839 iconSpacing = m_normal_spacing;
3840 else if ( HasFlag(wxLC_SMALL_ICON) )
3841 iconSpacing = m_small_spacing;
3842 else
3843 iconSpacing = 0;
3844
3845 // Note that we do not call GetClientSize() here but
3846 // GetSize() and substract the border size for sunken
3847 // borders manually. This is technically incorrect,
3848 // but we need to know the client area's size WITHOUT
3849 // scrollbars here. Since we don't know if there are
3850 // any scrollbars, we use GetSize() instead. Another
3851 // solution would be to call SetScrollbars() here to
3852 // remove the scrollbars and call GetClientSize() then,
3853 // but this might result in flicker and - worse - will
3854 // reset the scrollbars to 0 which is not good at all
3855 // if you resize a dialog/window, but don't want to
3856 // reset the window scrolling. RR.
3857 // Furthermore, we actually do NOT subtract the border
3858 // width as 2 pixels is just the extra space which we
3859 // need around the actual content in the window. Other-
3860 // wise the text would e.g. touch the upper border. RR.
3861 int clientWidth,
3862 clientHeight;
3863 GetSize( &clientWidth, &clientHeight );
3864
3865 if ( HasFlag(wxLC_REPORT) )
3866 {
3867 // all lines have the same height and we scroll one line per step
3868 int lineHeight = GetLineHeight();
3869
3870 int entireHeight = count*lineHeight + LINE_SPACING;
3871
3872 m_linesPerPage = clientHeight / lineHeight;
3873
3874 ResetVisibleLinesRange();
3875
3876 SetScrollbars( SCROLL_UNIT_X, lineHeight,
3877 GetHeaderWidth() / SCROLL_UNIT_X,
3878 (entireHeight + lineHeight - 1) / lineHeight,
3879 GetScrollPos(wxHORIZONTAL),
3880 GetScrollPos(wxVERTICAL),
3881 TRUE );
3882 }
3883 else // !report
3884 {
3885 // we have 3 different layout strategies: either layout all items
3886 // horizontally/vertically (wxLC_ALIGN_XXX styles explicitly given) or
3887 // to arrange them in top to bottom, left to right (don't ask me why
3888 // not the other way round...) order
3889 if ( HasFlag(wxLC_ALIGN_LEFT | wxLC_ALIGN_TOP) )
3890 {
3891 int x = EXTRA_BORDER_X;
3892 int y = EXTRA_BORDER_Y;
3893
3894 wxCoord widthMax = 0;
3895
3896 size_t i;
3897 for ( i = 0; i < count; i++ )
3898 {
3899 wxListLineData *line = GetLine(i);
3900 line->CalculateSize( &dc, iconSpacing );
3901 line->SetPosition( x, y, iconSpacing );
3902
3903 wxSize sizeLine = GetLineSize(i);
3904
3905 if ( HasFlag(wxLC_ALIGN_TOP) )
3906 {
3907 if ( sizeLine.x > widthMax )
3908 widthMax = sizeLine.x;
3909
3910 y += sizeLine.y;
3911 }
3912 else // wxLC_ALIGN_LEFT
3913 {
3914 x += sizeLine.x + MARGIN_BETWEEN_ROWS;
3915 }
3916 }
3917
3918 if ( HasFlag(wxLC_ALIGN_TOP) )
3919 {
3920 // traverse the items again and tweak their sizes so that they are
3921 // all the same in a row
3922 for ( i = 0; i < count; i++ )
3923 {
3924 wxListLineData *line = GetLine(i);
3925 line->m_gi->ExtendWidth(widthMax);
3926 }
3927 }
3928
3929
3930 SetScrollbars
3931 (
3932 SCROLL_UNIT_X,
3933 SCROLL_UNIT_Y,
3934 (x + SCROLL_UNIT_X) / SCROLL_UNIT_X,
3935 (y + SCROLL_UNIT_Y) / SCROLL_UNIT_Y,
3936 GetScrollPos( wxHORIZONTAL ),
3937 GetScrollPos( wxVERTICAL ),
3938 TRUE
3939 );
3940 }
3941 else // "flowed" arrangement, the most complicated case
3942 {
3943 // at first we try without any scrollbars, if the items don't fit into
3944 // the window, we recalculate after subtracting the space taken by the
3945 // scrollbar
3946
3947 int entireWidth = 0;
3948 #if 0
3949 // entireHeight is not used so no need to define it
3950 int entireHeight = 0;
3951 #endif
3952
3953 for (int tries = 0; tries < 2; tries++)
3954 {
3955 entireWidth = 2*EXTRA_BORDER_X;
3956 #if 0
3957 // entireHeight is not used so no need to define it
3958 entireHeight = 2*EXTRA_BORDER_Y;
3959 #endif
3960
3961 if (tries == 1)
3962 {
3963 // Now we have decided that the items do not fit into the
3964 // client area, so we need a scrollbar
3965 entireWidth += SCROLL_UNIT_X;
3966 }
3967
3968 int x = EXTRA_BORDER_X;
3969 int y = EXTRA_BORDER_Y;
3970 int maxWidthInThisRow = 0;
3971
3972 m_linesPerPage = 0;
3973 int currentlyVisibleLines = 0;
3974
3975 for (size_t i = 0; i < count; i++)
3976 {
3977 currentlyVisibleLines++;
3978 wxListLineData *line = GetLine(i);
3979 line->CalculateSize( &dc, iconSpacing );
3980 line->SetPosition( x, y, iconSpacing );
3981
3982 wxSize sizeLine = GetLineSize(i);
3983
3984 if ( maxWidthInThisRow < sizeLine.x )
3985 maxWidthInThisRow = sizeLine.x;
3986
3987 y += sizeLine.y;
3988 if (currentlyVisibleLines > m_linesPerPage)
3989 m_linesPerPage = currentlyVisibleLines;
3990
3991 if ( y + sizeLine.y >= clientHeight )
3992 {
3993 currentlyVisibleLines = 0;
3994 y = EXTRA_BORDER_Y;
3995 maxWidthInThisRow += MARGIN_BETWEEN_ROWS;
3996 x += maxWidthInThisRow;
3997 entireWidth += maxWidthInThisRow;
3998 maxWidthInThisRow = 0;
3999 }
4000
4001 // We have reached the last item.
4002 if ( i == count - 1 )
4003 entireWidth += maxWidthInThisRow;
4004
4005 if ( (tries == 0) &&
4006 (entireWidth + SCROLL_UNIT_X > clientWidth) )
4007 {
4008 clientHeight -= wxSystemSettings::
4009 GetMetric(wxSYS_HSCROLL_Y);
4010 m_linesPerPage = 0;
4011 break;
4012 }
4013
4014 if ( i == count - 1 )
4015 tries = 1; // Everything fits, no second try required.
4016 }
4017 }
4018
4019 SetScrollbars
4020 (
4021 SCROLL_UNIT_X,
4022 SCROLL_UNIT_Y,
4023 (entireWidth + SCROLL_UNIT_X) / SCROLL_UNIT_X,
4024 0,
4025 GetScrollPos( wxHORIZONTAL ),
4026 0,
4027 TRUE
4028 );
4029 }
4030 }
4031
4032 if ( !noRefresh )
4033 {
4034 // FIXME: why should we call it from here?
4035 UpdateCurrent();
4036
4037 RefreshAll();
4038 }
4039 }
4040
4041 void wxListMainWindow::RefreshAll()
4042 {
4043 m_dirty = FALSE;
4044 Refresh();
4045
4046 wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
4047 if ( headerWin && headerWin->m_dirty )
4048 {
4049 headerWin->m_dirty = FALSE;
4050 headerWin->Refresh();
4051 }
4052 }
4053
4054 void wxListMainWindow::UpdateCurrent()
4055 {
4056 if ( !HasCurrent() && !IsEmpty() )
4057 {
4058 ChangeCurrent(0);
4059 }
4060 }
4061
4062 long wxListMainWindow::GetNextItem( long item,
4063 int WXUNUSED(geometry),
4064 int state ) const
4065 {
4066 long ret = item,
4067 max = GetItemCount();
4068 wxCHECK_MSG( (ret == -1) || (ret < max), -1,
4069 _T("invalid listctrl index in GetNextItem()") );
4070
4071 // notice that we start with the next item (or the first one if item == -1)
4072 // and this is intentional to allow writing a simple loop to iterate over
4073 // all selected items
4074 ret++;
4075 if ( ret == max )
4076 {
4077 // this is not an error because the index was ok initially, just no
4078 // such item
4079 return -1;
4080 }
4081
4082 if ( !state )
4083 {
4084 // any will do
4085 return (size_t)ret;
4086 }
4087
4088 size_t count = GetItemCount();
4089 for ( size_t line = (size_t)ret; line < count; line++ )
4090 {
4091 if ( (state & wxLIST_STATE_FOCUSED) && (line == m_current) )
4092 return line;
4093
4094 if ( (state & wxLIST_STATE_SELECTED) && IsHighlighted(line) )
4095 return line;
4096 }
4097
4098 return -1;
4099 }
4100
4101 // ----------------------------------------------------------------------------
4102 // deleting stuff
4103 // ----------------------------------------------------------------------------
4104
4105 void wxListMainWindow::DeleteItem( long lindex )
4106 {
4107 size_t count = GetItemCount();
4108
4109 wxCHECK_RET( (lindex >= 0) && ((size_t)lindex < count),
4110 _T("invalid item index in DeleteItem") );
4111
4112 size_t index = (size_t)lindex;
4113
4114 // we don't need to adjust the index for the previous items
4115 if ( HasCurrent() && m_current >= index )
4116 {
4117 // if the current item is being deleted, we want the next one to
4118 // become selected - unless there is no next one - so don't adjust
4119 // m_current in this case
4120 if ( m_current != index || m_current == count - 1 )
4121 {
4122 m_current--;
4123 }
4124 }
4125
4126 if ( InReportView() )
4127 {
4128 ResetVisibleLinesRange();
4129 }
4130
4131 if ( IsVirtual() )
4132 {
4133 m_countVirt--;
4134
4135 m_selStore.OnItemDelete(index);
4136 }
4137 else
4138 {
4139 m_lines.RemoveAt( index );
4140 }
4141
4142 // we need to refresh the (vert) scrollbar as the number of items changed
4143 m_dirty = TRUE;
4144
4145 SendNotify( index, wxEVT_COMMAND_LIST_DELETE_ITEM );
4146
4147 RefreshAfter(index);
4148 }
4149
4150 void wxListMainWindow::DeleteColumn( int col )
4151 {
4152 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
4153
4154 wxCHECK_RET( node, wxT("invalid column index in DeleteColumn()") );
4155
4156 m_dirty = TRUE;
4157 delete node->GetData();
4158 m_columns.Erase( node );
4159
4160 if ( !IsVirtual() )
4161 {
4162 // update all the items
4163 for ( size_t i = 0; i < m_lines.GetCount(); i++ )
4164 {
4165 wxListLineData * const line = GetLine(i);
4166 wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
4167 delete n->GetData();
4168 line->m_items.Erase(n);
4169 }
4170 }
4171
4172 // invalidate it as it has to be recalculated
4173 m_headerWidth = 0;
4174 }
4175
4176 void wxListMainWindow::DoDeleteAllItems()
4177 {
4178 if ( IsEmpty() )
4179 {
4180 // nothing to do - in particular, don't send the event
4181 return;
4182 }
4183
4184 ResetCurrent();
4185
4186 // to make the deletion of all items faster, we don't send the
4187 // notifications for each item deletion in this case but only one event
4188 // for all of them: this is compatible with wxMSW and documented in
4189 // DeleteAllItems() description
4190
4191 wxListEvent event( wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS, GetParent()->GetId() );
4192 event.SetEventObject( GetParent() );
4193 GetParent()->GetEventHandler()->ProcessEvent( event );
4194
4195 if ( IsVirtual() )
4196 {
4197 m_countVirt = 0;
4198
4199 m_selStore.Clear();
4200 }
4201
4202 if ( InReportView() )
4203 {
4204 ResetVisibleLinesRange();
4205 }
4206
4207 m_lines.Clear();
4208 }
4209
4210 void wxListMainWindow::DeleteAllItems()
4211 {
4212 DoDeleteAllItems();
4213
4214 RecalculatePositions();
4215 }
4216
4217 void wxListMainWindow::DeleteEverything()
4218 {
4219 WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
4220
4221 DeleteAllItems();
4222 }
4223
4224 // ----------------------------------------------------------------------------
4225 // scanning for an item
4226 // ----------------------------------------------------------------------------
4227
4228 void wxListMainWindow::EnsureVisible( long index )
4229 {
4230 wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(),
4231 _T("invalid index in EnsureVisible") );
4232
4233 // We have to call this here because the label in question might just have
4234 // been added and its position is not known yet
4235 if ( m_dirty )
4236 {
4237 RecalculatePositions(TRUE /* no refresh */);
4238 }
4239
4240 MoveToItem((size_t)index);
4241 }
4242
4243 long wxListMainWindow::FindItem(long start, const wxString& str, bool WXUNUSED(partial) )
4244 {
4245 long pos = start;
4246 wxString tmp = str;
4247 if (pos < 0)
4248 pos = 0;
4249
4250 size_t count = GetItemCount();
4251 for ( size_t i = (size_t)pos; i < count; i++ )
4252 {
4253 wxListLineData *line = GetLine(i);
4254 if ( line->GetText(0) == tmp )
4255 return i;
4256 }
4257
4258 return wxNOT_FOUND;
4259 }
4260
4261 long wxListMainWindow::FindItem(long start, long data)
4262 {
4263 long pos = start;
4264 if (pos < 0)
4265 pos = 0;
4266
4267 size_t count = GetItemCount();
4268 for (size_t i = (size_t)pos; i < count; i++)
4269 {
4270 wxListLineData *line = GetLine(i);
4271 wxListItem item;
4272 line->GetItem( 0, item );
4273 if (item.m_data == data)
4274 return i;
4275 }
4276
4277 return wxNOT_FOUND;
4278 }
4279
4280 long wxListMainWindow::HitTest( int x, int y, int &flags )
4281 {
4282 CalcUnscrolledPosition( x, y, &x, &y );
4283
4284 size_t count = GetItemCount();
4285
4286 if ( HasFlag(wxLC_REPORT) )
4287 {
4288 size_t current = y / GetLineHeight();
4289 if ( current < count )
4290 {
4291 flags = HitTestLine(current, x, y);
4292 if ( flags )
4293 return current;
4294 }
4295 }
4296 else // !report
4297 {
4298 // TODO: optimize it too! this is less simple than for report view but
4299 // enumerating all items is still not a way to do it!!
4300 for ( size_t current = 0; current < count; current++ )
4301 {
4302 flags = HitTestLine(current, x, y);
4303 if ( flags )
4304 return current;
4305 }
4306 }
4307
4308 return wxNOT_FOUND;
4309 }
4310
4311 // ----------------------------------------------------------------------------
4312 // adding stuff
4313 // ----------------------------------------------------------------------------
4314
4315 void wxListMainWindow::InsertItem( wxListItem &item )
4316 {
4317 wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual control") );
4318
4319 size_t count = GetItemCount();
4320 wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId <= count,
4321 _T("invalid item index") );
4322
4323 size_t id = item.m_itemId;
4324
4325 m_dirty = TRUE;
4326
4327 #if 0
4328 // this is unused variable
4329 int mode = 0;
4330 #endif
4331 if ( HasFlag(wxLC_REPORT) )
4332 {
4333 #if 0
4334 // this is unused variable
4335 mode = wxLC_REPORT;
4336 #endif
4337 ResetVisibleLinesRange();
4338 }
4339 else if ( HasFlag(wxLC_LIST) )
4340 #if 0
4341 // this is unused variable
4342 mode = wxLC_LIST;
4343 #else
4344 {}
4345 #endif
4346 else if ( HasFlag(wxLC_ICON) )
4347 #if 0
4348 // this is unused variable
4349 mode = wxLC_ICON;
4350 #else
4351 {}
4352 #endif
4353 else if ( HasFlag(wxLC_SMALL_ICON) )
4354 #if 0
4355 // this is unused variable
4356 mode = wxLC_ICON; // no typo
4357 #else
4358 {}
4359 #endif
4360 else
4361 {
4362 wxFAIL_MSG( _T("unknown mode") );
4363 }
4364
4365 wxListLineData *line = new wxListLineData(this);
4366
4367 line->SetItem( 0, item );
4368
4369 m_lines.Insert( line, id );
4370
4371 m_dirty = TRUE;
4372
4373 // If an item is selected at or below the point of insertion, we need to
4374 // increment the member variables because the current row's index has gone
4375 // up by one
4376 if ( HasCurrent() && m_current >= id )
4377 {
4378 m_current++;
4379 }
4380
4381 SendNotify(id, wxEVT_COMMAND_LIST_INSERT_ITEM);
4382
4383 RefreshLines(id, GetItemCount() - 1);
4384 }
4385
4386 void wxListMainWindow::InsertColumn( long col, wxListItem &item )
4387 {
4388 m_dirty = TRUE;
4389 if ( HasFlag(wxLC_REPORT) )
4390 {
4391 if (item.m_width == wxLIST_AUTOSIZE_USEHEADER)
4392 item.m_width = GetTextLength( item.m_text );
4393
4394 wxListHeaderData *column = new wxListHeaderData( item );
4395 bool insert = (col >= 0) && ((size_t)col < m_columns.GetCount());
4396 if ( insert )
4397 {
4398 wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
4399 m_columns.Insert( node, column );
4400 }
4401 else
4402 {
4403 m_columns.Append( column );
4404 }
4405
4406 if ( !IsVirtual() )
4407 {
4408 // update all the items
4409 for ( size_t i = 0; i < m_lines.GetCount(); i++ )
4410 {
4411 wxListLineData * const line = GetLine(i);
4412 wxListItemData * const data = new wxListItemData(this);
4413 if ( insert )
4414 line->m_items.Insert(col, data);
4415 else
4416 line->m_items.Append(data);
4417 }
4418 }
4419
4420 // invalidate it as it has to be recalculated
4421 m_headerWidth = 0;
4422 }
4423 }
4424
4425 // ----------------------------------------------------------------------------
4426 // sorting
4427 // ----------------------------------------------------------------------------
4428
4429 wxListCtrlCompare list_ctrl_compare_func_2;
4430 long list_ctrl_compare_data;
4431
4432 int LINKAGEMODE list_ctrl_compare_func_1( wxListLineData **arg1, wxListLineData **arg2 )
4433 {
4434 wxListLineData *line1 = *arg1;
4435 wxListLineData *line2 = *arg2;
4436 wxListItem item;
4437 line1->GetItem( 0, item );
4438 long data1 = item.m_data;
4439 line2->GetItem( 0, item );
4440 long data2 = item.m_data;
4441 return list_ctrl_compare_func_2( data1, data2, list_ctrl_compare_data );
4442 }
4443
4444 void wxListMainWindow::SortItems( wxListCtrlCompare fn, long data )
4445 {
4446 list_ctrl_compare_func_2 = fn;
4447 list_ctrl_compare_data = data;
4448 m_lines.Sort( list_ctrl_compare_func_1 );
4449 m_dirty = TRUE;
4450 }
4451
4452 // ----------------------------------------------------------------------------
4453 // scrolling
4454 // ----------------------------------------------------------------------------
4455
4456 void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
4457 {
4458 // update our idea of which lines are shown when we redraw the window the
4459 // next time
4460 ResetVisibleLinesRange();
4461
4462 // FIXME
4463 #if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
4464 wxScrolledWindow::OnScroll(event);
4465 #else
4466 HandleOnScroll( event );
4467 #endif
4468
4469 if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
4470 {
4471 wxGenericListCtrl* lc = GetListCtrl();
4472 wxCHECK_RET( lc, _T("no listctrl window?") );
4473
4474 lc->m_headerWin->Refresh();
4475 lc->m_headerWin->Update();
4476 }
4477 }
4478
4479 int wxListMainWindow::GetCountPerPage() const
4480 {
4481 if ( !m_linesPerPage )
4482 {
4483 wxConstCast(this, wxListMainWindow)->
4484 m_linesPerPage = GetClientSize().y / GetLineHeight();
4485 }
4486
4487 return m_linesPerPage;
4488 }
4489
4490 void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to)
4491 {
4492 wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("this is for report mode only") );
4493
4494 if ( m_lineFrom == (size_t)-1 )
4495 {
4496 size_t count = GetItemCount();
4497 if ( count )
4498 {
4499 m_lineFrom = GetScrollPos(wxVERTICAL);
4500
4501 // this may happen if SetScrollbars() hadn't been called yet
4502 if ( m_lineFrom >= count )
4503 m_lineFrom = count - 1;
4504
4505 // we redraw one extra line but this is needed to make the redrawing
4506 // logic work when there is a fractional number of lines on screen
4507 m_lineTo = m_lineFrom + m_linesPerPage;
4508 if ( m_lineTo >= count )
4509 m_lineTo = count - 1;
4510 }
4511 else // empty control
4512 {
4513 m_lineFrom = 0;
4514 m_lineTo = (size_t)-1;
4515 }
4516 }
4517
4518 wxASSERT_MSG( IsEmpty() ||
4519 (m_lineFrom <= m_lineTo && m_lineTo < GetItemCount()),
4520 _T("GetVisibleLinesRange() returns incorrect result") );
4521
4522 if ( from )
4523 *from = m_lineFrom;
4524 if ( to )
4525 *to = m_lineTo;
4526 }
4527
4528 // -------------------------------------------------------------------------------------
4529 // wxGenericListCtrl
4530 // -------------------------------------------------------------------------------------
4531
4532 IMPLEMENT_DYNAMIC_CLASS(wxGenericListCtrl, wxControl)
4533
4534 BEGIN_EVENT_TABLE(wxGenericListCtrl,wxControl)
4535 EVT_SIZE(wxGenericListCtrl::OnSize)
4536 END_EVENT_TABLE()
4537
4538 wxGenericListCtrl::wxGenericListCtrl()
4539 {
4540 m_imageListNormal = (wxImageListType *) NULL;
4541 m_imageListSmall = (wxImageListType *) NULL;
4542 m_imageListState = (wxImageListType *) NULL;
4543
4544 m_ownsImageListNormal =
4545 m_ownsImageListSmall =
4546 m_ownsImageListState = FALSE;
4547
4548 m_mainWin = (wxListMainWindow*) NULL;
4549 m_headerWin = (wxListHeaderWindow*) NULL;
4550 m_headerHeight = 0;
4551 }
4552
4553 wxGenericListCtrl::~wxGenericListCtrl()
4554 {
4555 if (m_ownsImageListNormal)
4556 delete m_imageListNormal;
4557 if (m_ownsImageListSmall)
4558 delete m_imageListSmall;
4559 if (m_ownsImageListState)
4560 delete m_imageListState;
4561 }
4562
4563 void wxGenericListCtrl::CalculateAndSetHeaderHeight()
4564 {
4565 if ( m_headerWin )
4566 {
4567 // we use 'g' to get the descent, too
4568 int w, h, d;
4569 m_headerWin->GetTextExtent(wxT("Hg"), &w, &h, &d);
4570 h += d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
4571
4572 // only update if changed
4573 if ( h != m_headerHeight )
4574 {
4575 m_headerHeight = h;
4576
4577 m_headerWin->SetSize(m_headerWin->GetSize().x, m_headerHeight);
4578
4579 if ( HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER) )
4580 ResizeReportView(TRUE);
4581 }
4582 }
4583 }
4584
4585 void wxGenericListCtrl::CreateHeaderWindow()
4586 {
4587 m_headerWin = new wxListHeaderWindow
4588 (
4589 this, -1, m_mainWin,
4590 wxPoint(0, 0),
4591 wxSize(GetClientSize().x, m_headerHeight),
4592 wxTAB_TRAVERSAL
4593 );
4594 CalculateAndSetHeaderHeight();
4595 }
4596
4597 bool wxGenericListCtrl::Create(wxWindow *parent,
4598 wxWindowID id,
4599 const wxPoint &pos,
4600 const wxSize &size,
4601 long style,
4602 const wxValidator &validator,
4603 const wxString &name)
4604 {
4605 m_imageListNormal =
4606 m_imageListSmall =
4607 m_imageListState = (wxImageListType *) NULL;
4608 m_ownsImageListNormal =
4609 m_ownsImageListSmall =
4610 m_ownsImageListState = FALSE;
4611
4612 m_mainWin = (wxListMainWindow*) NULL;
4613 m_headerWin = (wxListHeaderWindow*) NULL;
4614
4615 if ( !(style & wxLC_MASK_TYPE) )
4616 {
4617 style = style | wxLC_LIST;
4618 }
4619
4620 if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
4621 return FALSE;
4622
4623 // don't create the inner window with the border
4624 style &= ~wxBORDER_MASK;
4625
4626 m_mainWin = new wxListMainWindow( this, -1, wxPoint(0,0), size, style );
4627
4628 if ( HasFlag(wxLC_REPORT) )
4629 {
4630 CreateHeaderWindow();
4631
4632 if ( HasFlag(wxLC_NO_HEADER) )
4633 {
4634 // VZ: why do we create it at all then?
4635 m_headerWin->Show( FALSE );
4636 }
4637 }
4638
4639 return TRUE;
4640 }
4641
4642 void wxGenericListCtrl::SetSingleStyle( long style, bool add )
4643 {
4644 wxASSERT_MSG( !(style & wxLC_VIRTUAL),
4645 _T("wxLC_VIRTUAL can't be [un]set") );
4646
4647 long flag = GetWindowStyle();
4648
4649 if (add)
4650 {
4651 if (style & wxLC_MASK_TYPE)
4652 flag &= ~(wxLC_MASK_TYPE | wxLC_VIRTUAL);
4653 if (style & wxLC_MASK_ALIGN)
4654 flag &= ~wxLC_MASK_ALIGN;
4655 if (style & wxLC_MASK_SORT)
4656 flag &= ~wxLC_MASK_SORT;
4657 }
4658
4659 if (add)
4660 {
4661 flag |= style;
4662 }
4663 else
4664 {
4665 flag &= ~style;
4666 }
4667
4668 SetWindowStyleFlag( flag );
4669 }
4670
4671 void wxGenericListCtrl::SetWindowStyleFlag( long flag )
4672 {
4673 if (m_mainWin)
4674 {
4675 m_mainWin->DeleteEverything();
4676
4677 // has the header visibility changed?
4678 bool hasHeader = HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER),
4679 willHaveHeader = (flag & wxLC_REPORT) && !(flag & wxLC_NO_HEADER);
4680
4681 if ( hasHeader != willHaveHeader )
4682 {
4683 // toggle it
4684 if ( hasHeader )
4685 {
4686 if ( m_headerWin )
4687 {
4688 // don't delete, just hide, as we can reuse it later
4689 m_headerWin->Show(FALSE);
4690 }
4691 //else: nothing to do
4692 }
4693 else // must show header
4694 {
4695 if (!m_headerWin)
4696 {
4697 CreateHeaderWindow();
4698 }
4699 else // already have it, just show
4700 {
4701 m_headerWin->Show( TRUE );
4702 }
4703 }
4704
4705 ResizeReportView(willHaveHeader);
4706 }
4707 }
4708
4709 wxWindow::SetWindowStyleFlag( flag );
4710 }
4711
4712 bool wxGenericListCtrl::GetColumn(int col, wxListItem &item) const
4713 {
4714 m_mainWin->GetColumn( col, item );
4715 return TRUE;
4716 }
4717
4718 bool wxGenericListCtrl::SetColumn( int col, wxListItem& item )
4719 {
4720 m_mainWin->SetColumn( col, item );
4721 return TRUE;
4722 }
4723
4724 int wxGenericListCtrl::GetColumnWidth( int col ) const
4725 {
4726 return m_mainWin->GetColumnWidth( col );
4727 }
4728
4729 bool wxGenericListCtrl::SetColumnWidth( int col, int width )
4730 {
4731 m_mainWin->SetColumnWidth( col, width );
4732 return TRUE;
4733 }
4734
4735 int wxGenericListCtrl::GetCountPerPage() const
4736 {
4737 return m_mainWin->GetCountPerPage(); // different from Windows ?
4738 }
4739
4740 bool wxGenericListCtrl::GetItem( wxListItem &info ) const
4741 {
4742 m_mainWin->GetItem( info );
4743 return TRUE;
4744 }
4745
4746 bool wxGenericListCtrl::SetItem( wxListItem &info )
4747 {
4748 m_mainWin->SetItem( info );
4749 return TRUE;
4750 }
4751
4752 long wxGenericListCtrl::SetItem( long index, int col, const wxString& label, int imageId )
4753 {
4754 wxListItem info;
4755 info.m_text = label;
4756 info.m_mask = wxLIST_MASK_TEXT;
4757 info.m_itemId = index;
4758 info.m_col = col;
4759 if ( imageId > -1 )
4760 {
4761 info.m_image = imageId;
4762 info.m_mask |= wxLIST_MASK_IMAGE;
4763 };
4764 m_mainWin->SetItem(info);
4765 return TRUE;
4766 }
4767
4768 int wxGenericListCtrl::GetItemState( long item, long stateMask ) const
4769 {
4770 return m_mainWin->GetItemState( item, stateMask );
4771 }
4772
4773 bool wxGenericListCtrl::SetItemState( long item, long state, long stateMask )
4774 {
4775 m_mainWin->SetItemState( item, state, stateMask );
4776 return TRUE;
4777 }
4778
4779 bool wxGenericListCtrl::SetItemImage( long item, int image, int WXUNUSED(selImage) )
4780 {
4781 wxListItem info;
4782 info.m_image = image;
4783 info.m_mask = wxLIST_MASK_IMAGE;
4784 info.m_itemId = item;
4785 m_mainWin->SetItem( info );
4786 return TRUE;
4787 }
4788
4789 wxString wxGenericListCtrl::GetItemText( long item ) const
4790 {
4791 return m_mainWin->GetItemText(item);
4792 }
4793
4794 void wxGenericListCtrl::SetItemText( long item, const wxString& str )
4795 {
4796 m_mainWin->SetItemText(item, str);
4797 }
4798
4799 long wxGenericListCtrl::GetItemData( long item ) const
4800 {
4801 wxListItem info;
4802 info.m_itemId = item;
4803 m_mainWin->GetItem( info );
4804 return info.m_data;
4805 }
4806
4807 bool wxGenericListCtrl::SetItemData( long item, long data )
4808 {
4809 wxListItem info;
4810 info.m_mask = wxLIST_MASK_DATA;
4811 info.m_itemId = item;
4812 info.m_data = data;
4813 m_mainWin->SetItem( info );
4814 return TRUE;
4815 }
4816
4817 wxRect wxGenericListCtrl::GetViewRect() const
4818 {
4819 return m_mainWin->GetViewRect();
4820 }
4821
4822 bool wxGenericListCtrl::GetItemRect( long item, wxRect &rect, int WXUNUSED(code) ) const
4823 {
4824 m_mainWin->GetItemRect( item, rect );
4825 if ( m_mainWin->HasHeader() )
4826 rect.y += m_headerHeight + 1;
4827 return TRUE;
4828 }
4829
4830 bool wxGenericListCtrl::GetItemPosition( long item, wxPoint& pos ) const
4831 {
4832 m_mainWin->GetItemPosition( item, pos );
4833 return TRUE;
4834 }
4835
4836 bool wxGenericListCtrl::SetItemPosition( long WXUNUSED(item), const wxPoint& WXUNUSED(pos) )
4837 {
4838 return 0;
4839 }
4840
4841 int wxGenericListCtrl::GetItemCount() const
4842 {
4843 return m_mainWin->GetItemCount();
4844 }
4845
4846 int wxGenericListCtrl::GetColumnCount() const
4847 {
4848 return m_mainWin->GetColumnCount();
4849 }
4850
4851 void wxGenericListCtrl::SetItemSpacing( int spacing, bool isSmall )
4852 {
4853 m_mainWin->SetItemSpacing( spacing, isSmall );
4854 }
4855
4856 wxSize wxGenericListCtrl::GetItemSpacing() const
4857 {
4858 const int spacing = m_mainWin->GetItemSpacing(HasFlag(wxLC_SMALL_ICON));
4859
4860 return wxSize(spacing, spacing);
4861 }
4862
4863 int wxGenericListCtrl::GetItemSpacing( bool isSmall ) const
4864 {
4865 return m_mainWin->GetItemSpacing( isSmall );
4866 }
4867
4868 void wxGenericListCtrl::SetItemTextColour( long item, const wxColour &col )
4869 {
4870 wxListItem info;
4871 info.m_itemId = item;
4872 info.SetTextColour( col );
4873 m_mainWin->SetItem( info );
4874 }
4875
4876 wxColour wxGenericListCtrl::GetItemTextColour( long item ) const
4877 {
4878 wxListItem info;
4879 info.m_itemId = item;
4880 m_mainWin->GetItem( info );
4881 return info.GetTextColour();
4882 }
4883
4884 void wxGenericListCtrl::SetItemBackgroundColour( long item, const wxColour &col )
4885 {
4886 wxListItem info;
4887 info.m_itemId = item;
4888 info.SetBackgroundColour( col );
4889 m_mainWin->SetItem( info );
4890 }
4891
4892 wxColour wxGenericListCtrl::GetItemBackgroundColour( long item ) const
4893 {
4894 wxListItem info;
4895 info.m_itemId = item;
4896 m_mainWin->GetItem( info );
4897 return info.GetBackgroundColour();
4898 }
4899
4900 int wxGenericListCtrl::GetSelectedItemCount() const
4901 {
4902 return m_mainWin->GetSelectedItemCount();
4903 }
4904
4905 wxColour wxGenericListCtrl::GetTextColour() const
4906 {
4907 return GetForegroundColour();
4908 }
4909
4910 void wxGenericListCtrl::SetTextColour(const wxColour& col)
4911 {
4912 SetForegroundColour(col);
4913 }
4914
4915 long wxGenericListCtrl::GetTopItem() const
4916 {
4917 size_t top;
4918 m_mainWin->GetVisibleLinesRange(&top, NULL);
4919 return (long)top;
4920 }
4921
4922 long wxGenericListCtrl::GetNextItem( long item, int geom, int state ) const
4923 {
4924 return m_mainWin->GetNextItem( item, geom, state );
4925 }
4926
4927 wxImageListType *wxGenericListCtrl::GetImageList(int which) const
4928 {
4929 if (which == wxIMAGE_LIST_NORMAL)
4930 {
4931 return m_imageListNormal;
4932 }
4933 else if (which == wxIMAGE_LIST_SMALL)
4934 {
4935 return m_imageListSmall;
4936 }
4937 else if (which == wxIMAGE_LIST_STATE)
4938 {
4939 return m_imageListState;
4940 }
4941 return (wxImageListType *) NULL;
4942 }
4943
4944 void wxGenericListCtrl::SetImageList( wxImageListType *imageList, int which )
4945 {
4946 if ( which == wxIMAGE_LIST_NORMAL )
4947 {
4948 if (m_ownsImageListNormal) delete m_imageListNormal;
4949 m_imageListNormal = imageList;
4950 m_ownsImageListNormal = FALSE;
4951 }
4952 else if ( which == wxIMAGE_LIST_SMALL )
4953 {
4954 if (m_ownsImageListSmall) delete m_imageListSmall;
4955 m_imageListSmall = imageList;
4956 m_ownsImageListSmall = FALSE;
4957 }
4958 else if ( which == wxIMAGE_LIST_STATE )
4959 {
4960 if (m_ownsImageListState) delete m_imageListState;
4961 m_imageListState = imageList;
4962 m_ownsImageListState = FALSE;
4963 }
4964
4965 m_mainWin->SetImageList( imageList, which );
4966 }
4967
4968 void wxGenericListCtrl::AssignImageList(wxImageListType *imageList, int which)
4969 {
4970 SetImageList(imageList, which);
4971 if ( which == wxIMAGE_LIST_NORMAL )
4972 m_ownsImageListNormal = TRUE;
4973 else if ( which == wxIMAGE_LIST_SMALL )
4974 m_ownsImageListSmall = TRUE;
4975 else if ( which == wxIMAGE_LIST_STATE )
4976 m_ownsImageListState = TRUE;
4977 }
4978
4979 bool wxGenericListCtrl::Arrange( int WXUNUSED(flag) )
4980 {
4981 return 0;
4982 }
4983
4984 bool wxGenericListCtrl::DeleteItem( long item )
4985 {
4986 m_mainWin->DeleteItem( item );
4987 return TRUE;
4988 }
4989
4990 bool wxGenericListCtrl::DeleteAllItems()
4991 {
4992 m_mainWin->DeleteAllItems();
4993 return TRUE;
4994 }
4995
4996 bool wxGenericListCtrl::DeleteAllColumns()
4997 {
4998 size_t count = m_mainWin->m_columns.GetCount();
4999 for ( size_t n = 0; n < count; n++ )
5000 DeleteColumn(0);
5001
5002 return TRUE;
5003 }
5004
5005 void wxGenericListCtrl::ClearAll()
5006 {
5007 m_mainWin->DeleteEverything();
5008 }
5009
5010 bool wxGenericListCtrl::DeleteColumn( int col )
5011 {
5012 m_mainWin->DeleteColumn( col );
5013
5014 // if we don't have the header any longer, we need to relayout the window
5015 if ( !GetColumnCount() )
5016 {
5017 ResizeReportView(FALSE /* no header */);
5018 }
5019
5020 return TRUE;
5021 }
5022
5023 void wxGenericListCtrl::Edit( long item )
5024 {
5025 m_mainWin->EditLabel( item );
5026 }
5027
5028 bool wxGenericListCtrl::EnsureVisible( long item )
5029 {
5030 m_mainWin->EnsureVisible( item );
5031 return TRUE;
5032 }
5033
5034 long wxGenericListCtrl::FindItem( long start, const wxString& str, bool partial )
5035 {
5036 return m_mainWin->FindItem( start, str, partial );
5037 }
5038
5039 long wxGenericListCtrl::FindItem( long start, long data )
5040 {
5041 return m_mainWin->FindItem( start, data );
5042 }
5043
5044 long wxGenericListCtrl::FindItem( long WXUNUSED(start), const wxPoint& WXUNUSED(pt),
5045 int WXUNUSED(direction))
5046 {
5047 return 0;
5048 }
5049
5050 long wxGenericListCtrl::HitTest( const wxPoint &point, int &flags )
5051 {
5052 return m_mainWin->HitTest( (int)point.x, (int)point.y, flags );
5053 }
5054
5055 long wxGenericListCtrl::InsertItem( wxListItem& info )
5056 {
5057 m_mainWin->InsertItem( info );
5058 return info.m_itemId;
5059 }
5060
5061 long wxGenericListCtrl::InsertItem( long index, const wxString &label )
5062 {
5063 wxListItem info;
5064 info.m_text = label;
5065 info.m_mask = wxLIST_MASK_TEXT;
5066 info.m_itemId = index;
5067 return InsertItem( info );
5068 }
5069
5070 long wxGenericListCtrl::InsertItem( long index, int imageIndex )
5071 {
5072 wxListItem info;
5073 info.m_mask = wxLIST_MASK_IMAGE;
5074 info.m_image = imageIndex;
5075 info.m_itemId = index;
5076 return InsertItem( info );
5077 }
5078
5079 long wxGenericListCtrl::InsertItem( long index, const wxString &label, int imageIndex )
5080 {
5081 wxListItem info;
5082 info.m_text = label;
5083 info.m_image = imageIndex;
5084 info.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_IMAGE;
5085 info.m_itemId = index;
5086 return InsertItem( info );
5087 }
5088
5089 long wxGenericListCtrl::InsertColumn( long col, wxListItem &item )
5090 {
5091 wxCHECK_MSG( m_headerWin, -1, _T("can't add column in non report mode") );
5092
5093 m_mainWin->InsertColumn( col, item );
5094
5095 // if we hadn't had header before and have it now we need to relayout the
5096 // window
5097 if ( GetColumnCount() == 1 && m_mainWin->HasHeader() )
5098 {
5099 ResizeReportView(TRUE /* have header */);
5100 }
5101
5102 m_headerWin->Refresh();
5103
5104 return 0;
5105 }
5106
5107 long wxGenericListCtrl::InsertColumn( long col, const wxString &heading,
5108 int format, int width )
5109 {
5110 wxListItem item;
5111 item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
5112 item.m_text = heading;
5113 if (width >= -2)
5114 {
5115 item.m_mask |= wxLIST_MASK_WIDTH;
5116 item.m_width = width;
5117 }
5118 item.m_format = format;
5119
5120 return InsertColumn( col, item );
5121 }
5122
5123 bool wxGenericListCtrl::ScrollList( int WXUNUSED(dx), int WXUNUSED(dy) )
5124 {
5125 return 0;
5126 }
5127
5128 // Sort items.
5129 // fn is a function which takes 3 long arguments: item1, item2, data.
5130 // item1 is the long data associated with a first item (NOT the index).
5131 // item2 is the long data associated with a second item (NOT the index).
5132 // data is the same value as passed to SortItems.
5133 // The return value is a negative number if the first item should precede the second
5134 // item, a positive number of the second item should precede the first,
5135 // or zero if the two items are equivalent.
5136 // data is arbitrary data to be passed to the sort function.
5137
5138 bool wxGenericListCtrl::SortItems( wxListCtrlCompare fn, long data )
5139 {
5140 m_mainWin->SortItems( fn, data );
5141 return TRUE;
5142 }
5143
5144 // ----------------------------------------------------------------------------
5145 // event handlers
5146 // ----------------------------------------------------------------------------
5147
5148 void wxGenericListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
5149 {
5150 if ( !m_mainWin )
5151 return;
5152
5153 ResizeReportView(m_mainWin->HasHeader());
5154
5155 m_mainWin->RecalculatePositions();
5156 }
5157
5158 void wxGenericListCtrl::ResizeReportView(bool showHeader)
5159 {
5160 int cw, ch;
5161 GetClientSize( &cw, &ch );
5162
5163 if ( showHeader )
5164 {
5165 m_headerWin->SetSize( 0, 0, cw, m_headerHeight );
5166 m_mainWin->SetSize( 0, m_headerHeight + 1, cw, ch - m_headerHeight - 1 );
5167 }
5168 else // no header window
5169 {
5170 m_mainWin->SetSize( 0, 0, cw, ch );
5171 }
5172 }
5173
5174 void wxGenericListCtrl::OnInternalIdle()
5175 {
5176 wxWindow::OnInternalIdle();
5177
5178 // do it only if needed
5179 if ( !m_mainWin->m_dirty )
5180 return;
5181
5182 m_mainWin->RecalculatePositions();
5183 }
5184
5185 // ----------------------------------------------------------------------------
5186 // font/colours
5187 // ----------------------------------------------------------------------------
5188
5189 bool wxGenericListCtrl::SetBackgroundColour( const wxColour &colour )
5190 {
5191 if (m_mainWin)
5192 {
5193 m_mainWin->SetBackgroundColour( colour );
5194 m_mainWin->m_dirty = TRUE;
5195 }
5196
5197 return TRUE;
5198 }
5199
5200 bool wxGenericListCtrl::SetForegroundColour( const wxColour &colour )
5201 {
5202 if ( !wxWindow::SetForegroundColour( colour ) )
5203 return FALSE;
5204
5205 if (m_mainWin)
5206 {
5207 m_mainWin->SetForegroundColour( colour );
5208 m_mainWin->m_dirty = TRUE;
5209 }
5210
5211 if (m_headerWin)
5212 {
5213 m_headerWin->SetForegroundColour( colour );
5214 }
5215
5216 return TRUE;
5217 }
5218
5219 bool wxGenericListCtrl::SetFont( const wxFont &font )
5220 {
5221 if ( !wxWindow::SetFont( font ) )
5222 return FALSE;
5223
5224 if (m_mainWin)
5225 {
5226 m_mainWin->SetFont( font );
5227 m_mainWin->m_dirty = TRUE;
5228 }
5229
5230 if (m_headerWin)
5231 {
5232 m_headerWin->SetFont( font );
5233 CalculateAndSetHeaderHeight();
5234 }
5235
5236 Refresh();
5237
5238 return TRUE;
5239 }
5240
5241 // ----------------------------------------------------------------------------
5242 // methods forwarded to m_mainWin
5243 // ----------------------------------------------------------------------------
5244
5245 #if wxUSE_DRAG_AND_DROP
5246
5247 void wxGenericListCtrl::SetDropTarget( wxDropTarget *dropTarget )
5248 {
5249 m_mainWin->SetDropTarget( dropTarget );
5250 }
5251
5252 wxDropTarget *wxGenericListCtrl::GetDropTarget() const
5253 {
5254 return m_mainWin->GetDropTarget();
5255 }
5256
5257 #endif // wxUSE_DRAG_AND_DROP
5258
5259 bool wxGenericListCtrl::SetCursor( const wxCursor &cursor )
5260 {
5261 return m_mainWin ? m_mainWin->wxWindow::SetCursor(cursor) : FALSE;
5262 }
5263
5264 wxColour wxGenericListCtrl::GetBackgroundColour() const
5265 {
5266 return m_mainWin ? m_mainWin->GetBackgroundColour() : wxColour();
5267 }
5268
5269 wxColour wxGenericListCtrl::GetForegroundColour() const
5270 {
5271 return m_mainWin ? m_mainWin->GetForegroundColour() : wxColour();
5272 }
5273
5274 bool wxGenericListCtrl::DoPopupMenu( wxMenu *menu, int x, int y )
5275 {
5276 #if wxUSE_MENUS
5277 return m_mainWin->PopupMenu( menu, x, y );
5278 #else
5279 return FALSE;
5280 #endif // wxUSE_MENUS
5281 }
5282
5283 void wxGenericListCtrl::SetFocus()
5284 {
5285 /* The test in window.cpp fails as we are a composite
5286 window, so it checks against "this", but not m_mainWin. */
5287 if ( FindFocus() != this )
5288 m_mainWin->SetFocus();
5289 }
5290
5291 // ----------------------------------------------------------------------------
5292 // virtual list control support
5293 // ----------------------------------------------------------------------------
5294
5295 wxString wxGenericListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
5296 {
5297 // this is a pure virtual function, in fact - which is not really pure
5298 // because the controls which are not virtual don't need to implement it
5299 wxFAIL_MSG( _T("wxGenericListCtrl::OnGetItemText not supposed to be called") );
5300
5301 return wxEmptyString;
5302 }
5303
5304 int wxGenericListCtrl::OnGetItemImage(long WXUNUSED(item)) const
5305 {
5306 // same as above
5307 wxFAIL_MSG( _T("wxGenericListCtrl::OnGetItemImage not supposed to be called") );
5308
5309 return -1;
5310 }
5311
5312 wxListItemAttr *
5313 wxGenericListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const
5314 {
5315 wxASSERT_MSG( item >= 0 && item < GetItemCount(),
5316 _T("invalid item index in OnGetItemAttr()") );
5317
5318 // no attributes by default
5319 return NULL;
5320 }
5321
5322 void wxGenericListCtrl::SetItemCount(long count)
5323 {
5324 wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
5325
5326 m_mainWin->SetItemCount(count);
5327 }
5328
5329 void wxGenericListCtrl::RefreshItem(long item)
5330 {
5331 m_mainWin->RefreshLine(item);
5332 }
5333
5334 void wxGenericListCtrl::RefreshItems(long itemFrom, long itemTo)
5335 {
5336 m_mainWin->RefreshLines(itemFrom, itemTo);
5337 }
5338
5339 /*
5340 * Generic wxListCtrl is more or less a container for two other
5341 * windows which drawings are done upon. These are namely
5342 * 'm_headerWin' and 'm_mainWin'.
5343 * Here we override 'virtual wxWindow::Refresh()' to mimic the
5344 * behaviour wxListCtrl has under wxMSW.
5345 */
5346 void wxGenericListCtrl::Refresh(bool eraseBackground, const wxRect *rect)
5347 {
5348 if (!rect)
5349 {
5350 // The easy case, no rectangle specified.
5351 if (m_headerWin)
5352 m_headerWin->Refresh(eraseBackground);
5353
5354 if (m_mainWin)
5355 m_mainWin->Refresh(eraseBackground);
5356 }
5357 else
5358 {
5359 // Refresh the header window
5360 if (m_headerWin)
5361 {
5362 wxRect rectHeader = m_headerWin->GetRect();
5363 rectHeader.Intersect(*rect);
5364 if (rectHeader.GetWidth() && rectHeader.GetHeight())
5365 {
5366 int x, y;
5367 m_headerWin->GetPosition(&x, &y);
5368 rectHeader.Offset(-x, -y);
5369 m_headerWin->Refresh(eraseBackground, &rectHeader);
5370 }
5371
5372 }
5373
5374 // Refresh the main window
5375 if (m_mainWin)
5376 {
5377 wxRect rectMain = m_mainWin->GetRect();
5378 rectMain.Intersect(*rect);
5379 if (rectMain.GetWidth() && rectMain.GetHeight())
5380 {
5381 int x, y;
5382 m_mainWin->GetPosition(&x, &y);
5383 rectMain.Offset(-x, -y);
5384 m_mainWin->Refresh(eraseBackground, &rectMain);
5385 }
5386 }
5387 }
5388 }
5389
5390 void wxGenericListCtrl::Freeze()
5391 {
5392 m_mainWin->Freeze();
5393 }
5394
5395 void wxGenericListCtrl::Thaw()
5396 {
5397 m_mainWin->Thaw();
5398 }
5399
5400 #endif // wxUSE_LISTCTRL
5401
wxWidgets (Impactor)