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[wxWidgets.git] / samples / treectrl / treetest.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: treetest.cpp
3 // Purpose: wxTreeCtrl sample
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation
14 #pragma interface
15 #endif
16
17 // For compilers that support precompilation, includes "wx/wx.h".
18 #include "wx/wxprec.h"
19
20 #ifdef __BORLANDC__
21 #pragma hdrstop
22 #endif
23
24 #ifndef WX_PRECOMP
25 #include "wx/wx.h"
26 #include "wx/log.h"
27 #endif
28
29 #include "wx/colordlg.h"
30 #include "wx/numdlg.h"
31
32 #include "wx/image.h"
33 #include "wx/imaglist.h"
34 #include "wx/treectrl.h"
35
36 #include "math.h"
37
38 #ifdef __WIN32__
39 // this is not supported by native control
40 #define NO_VARIABLE_HEIGHT
41 #endif
42
43 #include "treetest.h"
44
45 #include "icon1.xpm"
46 #include "icon2.xpm"
47 #include "icon3.xpm"
48 #include "icon4.xpm"
49 #include "icon5.xpm"
50
51 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
52 #include "mondrian.xpm"
53 #endif
54
55
56 // verify that the item is ok and insult the user if it is not
57 #define CHECK_ITEM( item ) if ( !item.IsOk() ) { \
58 wxMessageBox(wxT("Please select some item first!"), \
59 wxT("Tree sample error"), \
60 wxOK | wxICON_EXCLAMATION, \
61 this); \
62 return; \
63 }
64
65 #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name)
66
67 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
68 EVT_IDLE(MyFrame::OnIdle)
69 EVT_SIZE(MyFrame::OnSize)
70
71 MENU_LINK(Quit)
72 MENU_LINK(About)
73
74 MENU_LINK(TogButtons)
75 MENU_LINK(TogTwist)
76 MENU_LINK(TogLines)
77 MENU_LINK(TogEdit)
78 MENU_LINK(TogHideRoot)
79 MENU_LINK(TogRootLines)
80 MENU_LINK(TogBorder)
81 MENU_LINK(TogFullHighlight)
82 MENU_LINK(SetFgColour)
83 MENU_LINK(SetBgColour)
84 MENU_LINK(ResetStyle)
85
86 MENU_LINK(Dump)
87 #ifndef NO_MULTIPLE_SELECTION
88 MENU_LINK(DumpSelected)
89 MENU_LINK(Select)
90 MENU_LINK(Unselect)
91 MENU_LINK(ToggleSel)
92 #endif // NO_MULTIPLE_SELECTION
93 MENU_LINK(Rename)
94 MENU_LINK(Count)
95 MENU_LINK(CountRec)
96 MENU_LINK(Sort)
97 MENU_LINK(SortRev)
98 MENU_LINK(SetBold)
99 MENU_LINK(ClearBold)
100 MENU_LINK(Delete)
101 MENU_LINK(DeleteChildren)
102 MENU_LINK(DeleteAll)
103 MENU_LINK(Recreate)
104 MENU_LINK(ToggleImages)
105 MENU_LINK(ToggleButtons)
106 MENU_LINK(SetImageSize)
107 MENU_LINK(CollapseAndReset)
108 MENU_LINK(EnsureVisible)
109 MENU_LINK(AddItem)
110 MENU_LINK(InsertItem)
111 MENU_LINK(IncIndent)
112 MENU_LINK(DecIndent)
113 MENU_LINK(IncSpacing)
114 MENU_LINK(DecSpacing)
115 MENU_LINK(ToggleIcon)
116 MENU_LINK(SelectRoot)
117 #undef MENU_LINK
118
119 END_EVENT_TABLE()
120
121 #if USE_GENERIC_TREECTRL
122 BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl)
123 #else
124 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
125 #endif
126 EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag)
127 EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag)
128 EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag)
129 EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit)
130 EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit)
131 EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem)
132 #if 0 // there are so many of those that logging them causes flicker
133 EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo)
134 #endif
135 EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo)
136 EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded)
137 EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding)
138 EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed)
139 EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing)
140 //EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRightClick)
141
142 EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu)
143 EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
144 EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
145 EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
146 EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
147 EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)
148 END_EVENT_TABLE()
149
150 IMPLEMENT_APP(MyApp)
151
152 bool MyApp::OnInit()
153 {
154 // Create the main frame window
155 MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
156
157 // Show the frame
158 frame->Show(true);
159 SetTopWindow(frame);
160
161 return true;
162 }
163
164
165 // My frame constructor
166 MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
167 : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
168 m_treeCtrl(NULL), m_textCtrl(NULL)
169 {
170 // This reduces flicker effects - even better would be to define
171 // OnEraseBackground to do nothing. When the tree control's scrollbars are
172 // show or hidden, the frame is sent a background erase event.
173 SetBackgroundColour(wxColour(255, 255, 255));
174
175 // Give it an icon
176 SetIcon(wxICON(mondrian));
177
178 #if wxUSE_MENUS
179 // Make a menubar
180 wxMenu *file_menu = new wxMenu,
181 *style_menu = new wxMenu,
182 *tree_menu = new wxMenu,
183 *item_menu = new wxMenu;
184
185 file_menu->Append(TreeTest_About, wxT("&About..."));
186 file_menu->AppendSeparator();
187 file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
188
189 style_menu->AppendCheckItem(TreeTest_TogButtons, wxT("Toggle &normal buttons"));
190 style_menu->AppendCheckItem(TreeTest_TogTwist, wxT("Toggle &twister buttons"));
191 style_menu->AppendCheckItem(TreeTest_ToggleButtons, wxT("Toggle image &buttons"));
192 style_menu->AppendSeparator();
193 style_menu->AppendCheckItem(TreeTest_TogLines, wxT("Toggle &connecting lines"));
194 style_menu->AppendCheckItem(TreeTest_TogRootLines, wxT("Toggle &lines at root"));
195 style_menu->AppendCheckItem(TreeTest_TogHideRoot, wxT("Toggle &hidden root"));
196 style_menu->AppendCheckItem(TreeTest_TogBorder, wxT("Toggle &item border"));
197 style_menu->AppendCheckItem(TreeTest_TogFullHighlight, wxT("Toggle &full row highlight"));
198 style_menu->AppendCheckItem(TreeTest_TogEdit, wxT("Toggle &edit mode"));
199 #ifndef NO_MULTIPLE_SELECTION
200 style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode"));
201 #endif // NO_MULTIPLE_SELECTION
202 style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
203 style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
204 style_menu->AppendSeparator();
205 style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
206 style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour..."));
207 style_menu->AppendSeparator();
208 style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10"));
209
210 tree_menu->Append(TreeTest_Recreate, wxT("&Recreate the tree"));
211 tree_menu->Append(TreeTest_CollapseAndReset, wxT("C&ollapse and reset"));
212 tree_menu->AppendSeparator();
213 tree_menu->Append(TreeTest_AddItem, wxT("Append a &new item"));
214 tree_menu->Append(TreeTest_InsertItem, wxT("&Insert a new item"));
215 tree_menu->Append(TreeTest_Delete, wxT("&Delete this item"));
216 tree_menu->Append(TreeTest_DeleteChildren, wxT("Delete &children"));
217 tree_menu->Append(TreeTest_DeleteAll, wxT("Delete &all items"));
218 tree_menu->Append(TreeTest_SelectRoot, wxT("Select root item"));
219 tree_menu->AppendSeparator();
220 tree_menu->Append(TreeTest_Count, wxT("Count children of current item"));
221 tree_menu->Append(TreeTest_CountRec, wxT("Recursively count children of current item"));
222 tree_menu->AppendSeparator();
223 tree_menu->Append(TreeTest_Sort, wxT("Sort children of current item"));
224 tree_menu->Append(TreeTest_SortRev, wxT("Sort in reversed order"));
225 tree_menu->AppendSeparator();
226 tree_menu->Append(TreeTest_EnsureVisible, wxT("Make the last item &visible"));
227 tree_menu->AppendSeparator();
228 tree_menu->Append(TreeTest_IncIndent, wxT("Add 5 points to indentation\tAlt-I"));
229 tree_menu->Append(TreeTest_DecIndent, wxT("Reduce indentation by 5 points\tAlt-R"));
230 tree_menu->AppendSeparator();
231 tree_menu->Append(TreeTest_IncSpacing, wxT("Add 5 points to spacing\tCtrl-I"));
232 tree_menu->Append(TreeTest_DecSpacing, wxT("Reduce spacing by 5 points\tCtrl-R"));
233
234 item_menu->Append(TreeTest_Dump, wxT("&Dump item children"));
235 item_menu->Append(TreeTest_Rename, wxT("&Rename item..."));
236
237 item_menu->AppendSeparator();
238 item_menu->Append(TreeTest_SetBold, wxT("Make item &bold"));
239 item_menu->Append(TreeTest_ClearBold, wxT("Make item &not bold"));
240 item_menu->AppendSeparator();
241 item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
242
243 #ifndef NO_MULTIPLE_SELECTION
244 item_menu->AppendSeparator();
245 item_menu->Append(TreeTest_DumpSelected, wxT("Dump selected items\tAlt-D"));
246 item_menu->Append(TreeTest_Select, wxT("Select current item\tAlt-S"));
247 item_menu->Append(TreeTest_Unselect, wxT("Unselect everything\tAlt-U"));
248 #endif // NO_MULTIPLE_SELECTION
249
250 wxMenuBar *menu_bar = new wxMenuBar;
251 menu_bar->Append(file_menu, wxT("&File"));
252 menu_bar->Append(style_menu, wxT("&Style"));
253 menu_bar->Append(tree_menu, wxT("&Tree"));
254 menu_bar->Append(item_menu, wxT("&Item"));
255 SetMenuBar(menu_bar);
256 #endif // wxUSE_MENUS
257
258 // create the controls
259 m_textCtrl = new wxTextCtrl(this, wxID_ANY, wxT(""),
260 wxDefaultPosition, wxDefaultSize,
261 wxTE_MULTILINE | wxSUNKEN_BORDER);
262
263 CreateTreeWithDefStyle();
264
265 menu_bar->Check(TreeTest_ToggleImages, true);
266
267 #if wxUSE_STATUSBAR
268 // create a status bar
269 CreateStatusBar(2);
270 #endif // wxUSE_STATUSBAR
271
272 #ifdef __WXMOTIF__
273 // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
274 // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
275 delete wxLog::SetActiveTarget(new wxLogStderr);
276 #else
277 // set our text control as the log target
278 wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
279 delete wxLog::SetActiveTarget(logWindow);
280 #endif
281 }
282
283 MyFrame::~MyFrame()
284 {
285 delete wxLog::SetActiveTarget(NULL);
286 }
287
288 void MyFrame::CreateTreeWithDefStyle()
289 {
290 long style = wxTR_DEFAULT_STYLE |
291 #ifndef NO_VARIABLE_HEIGHT
292 wxTR_HAS_VARIABLE_ROW_HEIGHT |
293 #endif
294 wxTR_EDIT_LABELS;
295
296 CreateTree(style | wxSUNKEN_BORDER);
297
298 // as we don't know what wxTR_DEFAULT_STYLE could contain, test for
299 // everything
300 wxMenuBar *mbar = GetMenuBar();
301 mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0);
302 mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0);
303 mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0);
304 mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0);
305 mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0);
306 mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0);
307 mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0);
308 mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0);
309 }
310
311 void MyFrame::CreateTree(long style)
312 {
313 m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl,
314 wxDefaultPosition, wxDefaultSize,
315 style);
316 Resize();
317 }
318
319 void MyFrame::TogStyle(int id, long flag)
320 {
321 long style = m_treeCtrl->GetWindowStyle() ^ flag;
322
323 // most treectrl styles can't be changed on the fly using the native
324 // control and the tree must be recreated
325 #ifndef __WXMSW__
326 m_treeCtrl->SetWindowStyle(style);
327 #else // MSW
328 delete m_treeCtrl;
329 CreateTree(style);
330 #endif // !MSW/MSW
331
332 GetMenuBar()->Check(id, (style & flag) != 0);
333 }
334
335 void MyFrame::OnIdle(wxIdleEvent& event)
336 {
337 #if wxUSE_STATUSBAR
338 if ( m_treeCtrl )
339 {
340 wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
341
342 SetStatusText(wxString::Format
343 (
344 _T("Root/last item is %svisible/%svisible"),
345 m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
346 m_treeCtrl->IsVisible(m_treeCtrl->GetLastChild(idRoot))
347 ? _T("") : _T("not ")
348 ), 1);
349 }
350 #endif // wxUSE_STATUSBAR
351
352 event.Skip();
353 }
354
355 void MyFrame::OnSize(wxSizeEvent& event)
356 {
357 if ( m_treeCtrl && m_textCtrl )
358 {
359 Resize();
360 }
361
362 event.Skip();
363 }
364
365 void MyFrame::Resize()
366 {
367 wxSize size = GetClientSize();
368 m_treeCtrl->SetSize(0, 0, size.x, 2*size.y/3);
369 m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3);
370 }
371
372 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
373 {
374 Close(true);
375 }
376
377 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
378 {
379 wxMessageBox(wxT("Tree test sample\n")
380 wxT("(c) Julian Smart 1997, Vadim Zeitlin 1998"),
381 wxT("About tree test"),
382 wxOK | wxICON_INFORMATION, this);
383 }
384
385 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
386 {
387 wxTreeItemId item = m_treeCtrl->GetSelection();
388
389 CHECK_ITEM( item );
390
391 // old code - now we edit in place
392 #if 0
393 static wxString s_text;
394 s_text = wxGetTextFromUser(wxT("New name: "), wxT("Tree sample question"),
395 s_text, this);
396 if ( !s_text.IsEmpty() )
397 {
398 m_treeCtrl->SetItemText(item, s_text);
399 }
400 #endif // 0
401
402 // TODO demonstrate creating a custom edit control...
403 (void)m_treeCtrl->EditLabel(item);
404 }
405
406 void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event))
407 {
408 wxTreeItemId item = m_treeCtrl->GetSelection();
409
410 CHECK_ITEM( item );
411
412 int i = m_treeCtrl->GetChildrenCount( item, false );
413
414 wxLogMessage(wxT("%d children"), i);
415 }
416
417 void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
418 {
419 wxTreeItemId item = m_treeCtrl->GetSelection();
420
421 CHECK_ITEM( item );
422
423 int i = m_treeCtrl->GetChildrenCount( item );
424
425 wxLogMessage(wxT("%d children"), i);
426 }
427
428 void MyFrame::DoSort(bool reverse)
429 {
430 wxTreeItemId item = m_treeCtrl->GetSelection();
431
432 CHECK_ITEM( item );
433
434 m_treeCtrl->DoSortChildren(item, reverse);
435 }
436
437 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
438 {
439 wxTreeItemId root = m_treeCtrl->GetSelection();
440
441 CHECK_ITEM( root );
442
443 m_treeCtrl->GetItemsRecursively(root);
444 }
445
446 #ifndef NO_MULTIPLE_SELECTION
447
448 void MyFrame::OnToggleSel(wxCommandEvent& event)
449 {
450 TogStyle(event.GetId(), wxTR_MULTIPLE);
451 }
452
453 void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
454 {
455 wxArrayTreeItemIds array;
456
457 size_t count = m_treeCtrl->GetSelections(array);
458 wxLogMessage(wxT("%u items selected"), count);
459
460 for ( size_t n = 0; n < count; n++ )
461 {
462 wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str());
463 }
464 }
465
466 void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
467 {
468 m_treeCtrl->SelectItem(m_treeCtrl->GetSelection());
469 }
470
471 void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
472 {
473 m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
474 }
475
476 void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))
477 {
478 m_treeCtrl->UnselectAll();
479 }
480
481 #endif // NO_MULTIPLE_SELECTION
482
483 void MyFrame::DoSetBold(bool bold)
484 {
485 wxTreeItemId item = m_treeCtrl->GetSelection();
486
487 CHECK_ITEM( item );
488
489 m_treeCtrl->SetItemBold(item, bold);
490 }
491
492 void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
493 {
494 wxTreeItemId item = m_treeCtrl->GetSelection();
495
496 CHECK_ITEM( item );
497
498 m_treeCtrl->Delete(item);
499 }
500
501 void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
502 {
503 wxTreeItemId item = m_treeCtrl->GetSelection();
504
505 CHECK_ITEM( item );
506
507 m_treeCtrl->DeleteChildren(item);
508 }
509
510 void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
511 {
512 m_treeCtrl->DeleteAllItems();
513 }
514
515 void MyFrame::OnRecreate(wxCommandEvent& event)
516 {
517 OnDeleteAll(event);
518 m_treeCtrl->AddTestItemsToTree(5, 2);
519 }
520
521 void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(event))
522 {
523 int size = wxGetNumberFromUser(wxT("Enter the size for the images to use"),
524 wxT("Size: "),
525 wxT("TreeCtrl sample"),
526 m_treeCtrl->ImageSize());
527 if ( size == -1 )
528 return;
529
530 m_treeCtrl->CreateImageList(size);
531 wxGetApp().SetShowImages(true);
532 }
533
534 void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
535 {
536 if ( wxGetApp().ShowImages() )
537 {
538 m_treeCtrl->CreateImageList(-1);
539 wxGetApp().SetShowImages(false);
540 }
541 else
542 {
543 m_treeCtrl->CreateImageList(0);
544 wxGetApp().SetShowImages(true);
545 }
546 }
547
548 void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
549 {
550 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
551 if ( wxGetApp().ShowButtons() )
552 {
553 m_treeCtrl->CreateButtonsImageList(-1);
554 wxGetApp().SetShowButtons(false);
555 }
556 else
557 {
558 m_treeCtrl->CreateButtonsImageList(15);
559 wxGetApp().SetShowButtons(true);
560 }
561 #endif
562 }
563
564 void MyFrame::OnCollapseAndReset(wxCommandEvent& WXUNUSED(event))
565 {
566 m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
567 }
568
569 void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event))
570 {
571 m_treeCtrl->DoEnsureVisible();
572 }
573
574 void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
575 {
576 int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
577 m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, wxT("2nd item"));
578 }
579
580 void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
581 {
582 static int s_num = 0;
583
584 wxString text;
585 text.Printf(wxT("Item #%d"), ++s_num);
586
587 m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
588 text /*,
589 MyTreeCtrl::TreeCtrlIcon_File */ );
590 }
591
592 void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))
593 {
594 unsigned int indent = m_treeCtrl->GetIndent();
595 if (indent < 100)
596 m_treeCtrl->SetIndent( indent+5 );
597 }
598
599 void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
600 {
601 unsigned int indent = m_treeCtrl->GetIndent();
602 if (indent > 10)
603 m_treeCtrl->SetIndent( indent-5 );
604 }
605
606 void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
607 {
608 unsigned int indent = m_treeCtrl->GetSpacing();
609 if (indent < 100)
610 m_treeCtrl->SetSpacing( indent+5 );
611 }
612
613 void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
614 {
615 unsigned int indent = m_treeCtrl->GetSpacing();
616 if (indent > 10)
617 m_treeCtrl->SetSpacing( indent-5 );
618 }
619
620 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
621 {
622 wxTreeItemId item = m_treeCtrl->GetSelection();
623
624 CHECK_ITEM( item );
625
626 m_treeCtrl->DoToggleIcon(item);
627 }
628
629 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
630 {
631 wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
632 if ( col.Ok() )
633 m_treeCtrl->SetForegroundColour(col);
634 }
635
636 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
637 {
638 wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
639 if ( col.Ok() )
640 m_treeCtrl->SetBackgroundColour(col);
641 }
642
643 // MyTreeCtrl implementation
644 #if USE_GENERIC_TREECTRL
645 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl)
646 #else
647 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
648 #endif
649
650 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
651 const wxPoint& pos, const wxSize& size,
652 long style)
653 : wxTreeCtrl(parent, id, pos, size, style)
654 {
655 m_reverseSort = false;
656
657 CreateImageList();
658
659 // Add some items to the tree
660 AddTestItemsToTree(5, 2);
661 }
662
663 void MyTreeCtrl::CreateImageList(int size)
664 {
665 if ( size == -1 )
666 {
667 SetImageList(NULL);
668 return;
669 }
670 if ( size == 0 )
671 size = m_imageSize;
672 else
673 m_imageSize = size;
674
675 // Make an image list containing small icons
676 wxImageList *images = new wxImageList(size, size, true);
677
678 // should correspond to TreeCtrlIcon_xxx enum
679 wxBusyCursor wait;
680 wxIcon icons[5];
681 icons[0] = wxIcon(icon1_xpm);
682 icons[1] = wxIcon(icon2_xpm);
683 icons[2] = wxIcon(icon3_xpm);
684 icons[3] = wxIcon(icon4_xpm);
685 icons[4] = wxIcon(icon5_xpm);
686
687 int sizeOrig = icons[0].GetWidth();
688 for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
689 {
690 if ( size == sizeOrig )
691 {
692 images->Add(icons[i]);
693 }
694 else
695 {
696 images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
697 }
698 }
699
700 AssignImageList(images);
701 }
702
703 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
704 void MyTreeCtrl::CreateButtonsImageList(int size)
705 {
706 if ( size == -1 )
707 {
708 SetButtonsImageList(NULL);
709 return;
710 }
711
712 // Make an image list containing small icons
713 wxImageList *images = new wxImageList(size, size, true);
714
715 // should correspond to TreeCtrlIcon_xxx enum
716 wxBusyCursor wait;
717 wxIcon icons[4];
718 icons[0] = wxIcon(icon3_xpm); // closed
719 icons[1] = wxIcon(icon3_xpm); // closed, selected
720 icons[2] = wxIcon(icon5_xpm); // open
721 icons[3] = wxIcon(icon5_xpm); // open, selected
722
723 for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
724 {
725 int sizeOrig = icons[i].GetWidth();
726 if ( size == sizeOrig )
727 {
728 images->Add(icons[i]);
729 }
730 else
731 {
732 images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
733 }
734 }
735
736 AssignButtonsImageList(images);
737 #else
738 void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size))
739 {
740 #endif
741 }
742
743 MyTreeCtrl::~MyTreeCtrl()
744 {
745 }
746
747 int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
748 const wxTreeItemId& item2)
749 {
750 if ( m_reverseSort )
751 {
752 // just exchange 1st and 2nd items
753 return wxTreeCtrl::OnCompareItems(item2, item1);
754 }
755 else
756 {
757 return wxTreeCtrl::OnCompareItems(item1, item2);
758 }
759 }
760
761 void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
762 size_t numChildren,
763 size_t depth,
764 size_t folder)
765 {
766 if ( depth > 0 )
767 {
768 bool hasChildren = depth > 1;
769
770 wxString str;
771 for ( size_t n = 0; n < numChildren; n++ )
772 {
773 // at depth 1 elements won't have any more children
774 if ( hasChildren )
775 str.Printf(wxT("%s child %d"), wxT("Folder"), n + 1);
776 else
777 str.Printf(wxT("%s child %d.%d"), wxT("File"), folder, n + 1);
778
779 // here we pass to AppendItem() normal and selected item images (we
780 // suppose that selected image follows the normal one in the enum)
781 int image, imageSel;
782 if ( wxGetApp().ShowImages() )
783 {
784 image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
785 imageSel = image + 1;
786 }
787 else
788 {
789 image = imageSel = -1;
790 }
791 wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
792 new MyTreeItemData(str));
793
794 // and now we also set the expanded one (only for the folders)
795 if ( hasChildren && wxGetApp().ShowImages() )
796 {
797 SetItemImage(id, TreeCtrlIcon_FolderOpened,
798 wxTreeItemIcon_Expanded);
799 }
800
801 // remember the last child for OnEnsureVisible()
802 if ( !hasChildren && n == numChildren - 1 )
803 {
804 m_lastItem = id;
805 }
806
807 AddItemsRecursively(id, numChildren, depth - 1, n + 1);
808 }
809 }
810 //else: done!
811 }
812
813 void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
814 size_t depth)
815 {
816 int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
817 wxTreeItemId rootId = AddRoot(wxT("Root"),
818 image, image,
819 new MyTreeItemData(wxT("Root item")));
820 if ( image != -1 )
821 {
822 SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
823 }
824
825 AddItemsRecursively(rootId, numChildren, depth, 0);
826
827 // set some colours/fonts for testing
828 SetItemFont(rootId, *wxITALIC_FONT);
829
830 wxTreeItemIdValue cookie;
831 wxTreeItemId id = GetFirstChild(rootId, cookie);
832 SetItemTextColour(id, *wxBLUE);
833
834 id = GetNextChild(rootId, cookie);
835 id = GetNextChild(rootId, cookie);
836 SetItemTextColour(id, *wxRED);
837 SetItemBackgroundColour(id, *wxLIGHT_GREY);
838 }
839
840 void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
841 wxTreeItemIdValue cookie)
842 {
843 wxTreeItemId id;
844
845 if ( !cookie )
846 id = GetFirstChild(idParent, cookie);
847 else
848 id = GetNextChild(idParent, cookie);
849
850 if ( !id.IsOk() )
851 return;
852
853 wxString text = GetItemText(id);
854 wxLogMessage(text);
855
856 if (ItemHasChildren(id))
857 GetItemsRecursively(id);
858
859 GetItemsRecursively(idParent, cookie);
860 }
861
862 void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
863 {
864 int image = GetItemImage(item) == TreeCtrlIcon_Folder ? TreeCtrlIcon_File
865 : TreeCtrlIcon_Folder;
866
867 SetItemImage(item, image);
868 }
869
870
871 // avoid repetition
872 #define TREE_EVENT_HANDLER(name) \
873 void MyTreeCtrl::name(wxTreeEvent& event) \
874 { \
875 wxLogMessage(wxT(#name)); \
876 SetLastItem(wxTreeItemId()); \
877 event.Skip(); \
878 }
879
880 TREE_EVENT_HANDLER(OnBeginRDrag)
881 TREE_EVENT_HANDLER(OnDeleteItem)
882 TREE_EVENT_HANDLER(OnGetInfo)
883 TREE_EVENT_HANDLER(OnSetInfo)
884 TREE_EVENT_HANDLER(OnItemExpanded)
885 TREE_EVENT_HANDLER(OnItemExpanding)
886 TREE_EVENT_HANDLER(OnItemCollapsed)
887 TREE_EVENT_HANDLER(OnSelChanged)
888 TREE_EVENT_HANDLER(OnSelChanging)
889
890 #undef TREE_EVENT_HANDLER
891
892 void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)
893 {
894 wxString key;
895 long keycode = event.GetKeyCode();
896 {
897 switch ( keycode )
898 {
899 case WXK_BACK: key = wxT("BACK"); break;
900 case WXK_TAB: key = wxT("TAB"); break;
901 case WXK_RETURN: key = wxT("RETURN"); break;
902 case WXK_ESCAPE: key = wxT("ESCAPE"); break;
903 case WXK_SPACE: key = wxT("SPACE"); break;
904 case WXK_DELETE: key = wxT("DELETE"); break;
905 case WXK_START: key = wxT("START"); break;
906 case WXK_LBUTTON: key = wxT("LBUTTON"); break;
907 case WXK_RBUTTON: key = wxT("RBUTTON"); break;
908 case WXK_CANCEL: key = wxT("CANCEL"); break;
909 case WXK_MBUTTON: key = wxT("MBUTTON"); break;
910 case WXK_CLEAR: key = wxT("CLEAR"); break;
911 case WXK_SHIFT: key = wxT("SHIFT"); break;
912 case WXK_ALT: key = wxT("ALT"); break;
913 case WXK_CONTROL: key = wxT("CONTROL"); break;
914 case WXK_MENU: key = wxT("MENU"); break;
915 case WXK_PAUSE: key = wxT("PAUSE"); break;
916 case WXK_CAPITAL: key = wxT("CAPITAL"); break;
917 case WXK_PRIOR: key = wxT("PRIOR"); break;
918 case WXK_NEXT: key = wxT("NEXT"); break;
919 case WXK_END: key = wxT("END"); break;
920 case WXK_HOME: key = wxT("HOME"); break;
921 case WXK_LEFT: key = wxT("LEFT"); break;
922 case WXK_UP: key = wxT("UP"); break;
923 case WXK_RIGHT: key = wxT("RIGHT"); break;
924 case WXK_DOWN: key = wxT("DOWN"); break;
925 case WXK_SELECT: key = wxT("SELECT"); break;
926 case WXK_PRINT: key = wxT("PRINT"); break;
927 case WXK_EXECUTE: key = wxT("EXECUTE"); break;
928 case WXK_SNAPSHOT: key = wxT("SNAPSHOT"); break;
929 case WXK_INSERT: key = wxT("INSERT"); break;
930 case WXK_HELP: key = wxT("HELP"); break;
931 case WXK_NUMPAD0: key = wxT("NUMPAD0"); break;
932 case WXK_NUMPAD1: key = wxT("NUMPAD1"); break;
933 case WXK_NUMPAD2: key = wxT("NUMPAD2"); break;
934 case WXK_NUMPAD3: key = wxT("NUMPAD3"); break;
935 case WXK_NUMPAD4: key = wxT("NUMPAD4"); break;
936 case WXK_NUMPAD5: key = wxT("NUMPAD5"); break;
937 case WXK_NUMPAD6: key = wxT("NUMPAD6"); break;
938 case WXK_NUMPAD7: key = wxT("NUMPAD7"); break;
939 case WXK_NUMPAD8: key = wxT("NUMPAD8"); break;
940 case WXK_NUMPAD9: key = wxT("NUMPAD9"); break;
941 case WXK_MULTIPLY: key = wxT("MULTIPLY"); break;
942 case WXK_ADD: key = wxT("ADD"); break;
943 case WXK_SEPARATOR: key = wxT("SEPARATOR"); break;
944 case WXK_SUBTRACT: key = wxT("SUBTRACT"); break;
945 case WXK_DECIMAL: key = wxT("DECIMAL"); break;
946 case WXK_DIVIDE: key = wxT("DIVIDE"); break;
947 case WXK_F1: key = wxT("F1"); break;
948 case WXK_F2: key = wxT("F2"); break;
949 case WXK_F3: key = wxT("F3"); break;
950 case WXK_F4: key = wxT("F4"); break;
951 case WXK_F5: key = wxT("F5"); break;
952 case WXK_F6: key = wxT("F6"); break;
953 case WXK_F7: key = wxT("F7"); break;
954 case WXK_F8: key = wxT("F8"); break;
955 case WXK_F9: key = wxT("F9"); break;
956 case WXK_F10: key = wxT("F10"); break;
957 case WXK_F11: key = wxT("F11"); break;
958 case WXK_F12: key = wxT("F12"); break;
959 case WXK_F13: key = wxT("F13"); break;
960 case WXK_F14: key = wxT("F14"); break;
961 case WXK_F15: key = wxT("F15"); break;
962 case WXK_F16: key = wxT("F16"); break;
963 case WXK_F17: key = wxT("F17"); break;
964 case WXK_F18: key = wxT("F18"); break;
965 case WXK_F19: key = wxT("F19"); break;
966 case WXK_F20: key = wxT("F20"); break;
967 case WXK_F21: key = wxT("F21"); break;
968 case WXK_F22: key = wxT("F22"); break;
969 case WXK_F23: key = wxT("F23"); break;
970 case WXK_F24: key = wxT("F24"); break;
971 case WXK_NUMLOCK: key = wxT("NUMLOCK"); break;
972 case WXK_SCROLL: key = wxT("SCROLL"); break;
973 case WXK_PAGEUP: key = wxT("PAGEUP"); break;
974 case WXK_PAGEDOWN: key = wxT("PAGEDOWN"); break;
975 case WXK_NUMPAD_SPACE: key = wxT("NUMPAD_SPACE"); break;
976 case WXK_NUMPAD_TAB: key = wxT("NUMPAD_TAB"); break;
977 case WXK_NUMPAD_ENTER: key = wxT("NUMPAD_ENTER"); break;
978 case WXK_NUMPAD_F1: key = wxT("NUMPAD_F1"); break;
979 case WXK_NUMPAD_F2: key = wxT("NUMPAD_F2"); break;
980 case WXK_NUMPAD_F3: key = wxT("NUMPAD_F3"); break;
981 case WXK_NUMPAD_F4: key = wxT("NUMPAD_F4"); break;
982 case WXK_NUMPAD_HOME: key = wxT("NUMPAD_HOME"); break;
983 case WXK_NUMPAD_LEFT: key = wxT("NUMPAD_LEFT"); break;
984 case WXK_NUMPAD_UP: key = wxT("NUMPAD_UP"); break;
985 case WXK_NUMPAD_RIGHT: key = wxT("NUMPAD_RIGHT"); break;
986 case WXK_NUMPAD_DOWN: key = wxT("NUMPAD_DOWN"); break;
987 case WXK_NUMPAD_PRIOR: key = wxT("NUMPAD_PRIOR"); break;
988 case WXK_NUMPAD_PAGEUP: key = wxT("NUMPAD_PAGEUP"); break;
989 case WXK_NUMPAD_PAGEDOWN: key = wxT("NUMPAD_PAGEDOWN"); break;
990 case WXK_NUMPAD_END: key = wxT("NUMPAD_END"); break;
991 case WXK_NUMPAD_BEGIN: key = wxT("NUMPAD_BEGIN"); break;
992 case WXK_NUMPAD_INSERT: key = wxT("NUMPAD_INSERT"); break;
993 case WXK_NUMPAD_DELETE: key = wxT("NUMPAD_DELETE"); break;
994 case WXK_NUMPAD_EQUAL: key = wxT("NUMPAD_EQUAL"); break;
995 case WXK_NUMPAD_MULTIPLY: key = wxT("NUMPAD_MULTIPLY"); break;
996 case WXK_NUMPAD_ADD: key = wxT("NUMPAD_ADD"); break;
997 case WXK_NUMPAD_SEPARATOR: key = wxT("NUMPAD_SEPARATOR"); break;
998 case WXK_NUMPAD_SUBTRACT: key = wxT("NUMPAD_SUBTRACT"); break;
999 case WXK_NUMPAD_DECIMAL: key = wxT("NUMPAD_DECIMAL"); break;
1000
1001 default:
1002 {
1003 if ( wxIsprint((int)keycode) )
1004 key.Printf(wxT("'%c'"), (char)keycode);
1005 else if ( keycode > 0 && keycode < 27 )
1006 key.Printf(_("Ctrl-%c"), wxT('A') + keycode - 1);
1007 else
1008 key.Printf(wxT("unknown (%ld)"), keycode);
1009 }
1010 }
1011 }
1012
1013 wxLogMessage( wxT("%s event: %s (flags = %c%c%c%c)"),
1014 name,
1015 key.c_str(),
1016 event.ControlDown() ? wxT('C') : wxT('-'),
1017 event.AltDown() ? wxT('A') : wxT('-'),
1018 event.ShiftDown() ? wxT('S') : wxT('-'),
1019 event.MetaDown() ? wxT('M') : wxT('-'));
1020 }
1021
1022 void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event)
1023 {
1024 LogKeyEvent(wxT("Tree key down "), event.GetKeyEvent());
1025
1026 event.Skip();
1027 }
1028
1029 void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
1030 {
1031 // need to explicitly allow drag
1032 if ( event.GetItem() != GetRootItem() )
1033 {
1034 m_draggedItem = event.GetItem();
1035
1036 wxLogMessage(wxT("OnBeginDrag: started dragging %s"),
1037 GetItemText(m_draggedItem).c_str());
1038
1039 event.Allow();
1040 }
1041 else
1042 {
1043 wxLogMessage(wxT("OnBeginDrag: this item can't be dragged."));
1044 }
1045 }
1046
1047 void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
1048 {
1049 wxTreeItemId itemSrc = m_draggedItem,
1050 itemDst = event.GetItem();
1051 m_draggedItem = (wxTreeItemId)0l;
1052
1053 // where to copy the item?
1054 if ( itemDst.IsOk() && !ItemHasChildren(itemDst) )
1055 {
1056 // copy to the parent then
1057 itemDst = GetItemParent(itemDst);
1058 }
1059
1060 if ( !itemDst.IsOk() )
1061 {
1062 wxLogMessage(wxT("OnEndDrag: can't drop here."));
1063
1064 return;
1065 }
1066
1067 wxString text = GetItemText(itemSrc);
1068 wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."),
1069 text.c_str(), GetItemText(itemDst).c_str());
1070
1071 // just do append here - we could also insert it just before/after the item
1072 // on which it was dropped, but this requires slightly more work... we also
1073 // completely ignore the client data and icon of the old item but could
1074 // copy them as well.
1075 //
1076 // Finally, we only copy one item here but we might copy the entire tree if
1077 // we were dragging a folder.
1078 int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1;
1079 AppendItem(itemDst, text, image);
1080 }
1081
1082 void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
1083 {
1084 wxLogMessage(wxT("OnBeginLabelEdit"));
1085
1086 // for testing, prevent this item's label editing
1087 wxTreeItemId itemId = event.GetItem();
1088 if ( IsTestItem(itemId) )
1089 {
1090 wxMessageBox(wxT("You can't edit this item."));
1091
1092 event.Veto();
1093 }
1094 }
1095
1096 void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
1097 {
1098 wxLogMessage(wxT("OnEndLabelEdit"));
1099
1100 // don't allow anything except letters in the labels
1101 if ( !event.GetLabel().IsWord() )
1102 {
1103 wxMessageBox(wxT("The new label should be a single word."));
1104
1105 event.Veto();
1106 }
1107 }
1108
1109 void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
1110 {
1111 wxLogMessage(wxT("OnItemCollapsing"));
1112
1113 // for testing, prevent the user from collapsing the first child folder
1114 wxTreeItemId itemId = event.GetItem();
1115 if ( IsTestItem(itemId) )
1116 {
1117 wxMessageBox(wxT("You can't collapse this item."));
1118
1119 event.Veto();
1120 }
1121 }
1122
1123 void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
1124 {
1125 // show some info about this item
1126 wxTreeItemId itemId = event.GetItem();
1127 MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1128
1129 if ( item != NULL )
1130 {
1131 item->ShowInfo(this);
1132 }
1133
1134 wxLogMessage(wxT("OnItemActivated"));
1135 }
1136
1137 void MyTreeCtrl::OnItemRightClick(wxTreeEvent& event)
1138 {
1139 ShowMenu(event.GetItem(), event.GetPoint());
1140 }
1141
1142 void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event)
1143 {
1144 wxPoint pt = event.GetPosition();
1145 wxTreeItemId item = GetSelection();
1146 wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
1147
1148 //check if event was generated by keyboard (MSW-specific?)
1149 if (pt.x==-1 && pt.y==-1) //(this is how MSW indicates it)
1150 {
1151 //attempt to guess where to show the menu
1152 if (item.IsOk())
1153 {
1154 //if an item was clicked, show menu to the right of it
1155 wxRect rect;
1156 GetBoundingRect(item, rect, true); //true = only the label
1157 pt = wxPoint(rect.GetRight(), rect.GetTop());
1158 }
1159 else
1160 {
1161 pt = wxPoint(0, 0);
1162 }
1163 }
1164 else
1165 {
1166 //event was generated by mouse, use supplied coords
1167 pt = ScreenToClient(pt);
1168 }
1169
1170 ShowMenu(item, pt);
1171 }
1172
1173 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
1174 {
1175 wxString title;
1176 if ( id.IsOk() )
1177 {
1178 title << wxT("Menu for ") << GetItemText(id);
1179 }
1180 else
1181 {
1182 title = wxT("Menu for no particular item");
1183 }
1184
1185 #if wxUSE_MENUS
1186 wxMenu menu(title);
1187 menu.Append(TreeTest_About, wxT("&About..."));
1188 menu.Append(TreeTest_Dump, wxT("&Dump"));
1189
1190 PopupMenu(&menu, pt);
1191 #endif // wxUSE_MENUS
1192 }
1193
1194 void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
1195 {
1196 wxTreeItemId id = HitTest(event.GetPosition());
1197 if ( !id )
1198 wxLogMessage(wxT("No item under mouse"));
1199 else
1200 {
1201 MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
1202 if ( item )
1203 wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc());
1204 }
1205 }
1206
1207 static inline const wxChar *Bool2String(bool b)
1208 {
1209 return b ? wxT("") : wxT("not ");
1210 }
1211
1212 void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
1213 {
1214 wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n")
1215 wxT("%u children (%u immediately under this item)."),
1216 m_desc.c_str(),
1217 Bool2String(tree->IsSelected(GetId())),
1218 Bool2String(tree->IsExpanded(GetId())),
1219 Bool2String(tree->IsBold(GetId())),
1220 tree->GetChildrenCount(GetId()),
1221 tree->GetChildrenCount(GetId(), false));
1222 }
wxWidgets (Impactor)