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