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: treetest.cpp 52196 2008-02-29 19:51:05Z VZ $
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx/wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #ifndef WX_PRECOMP
20 #include "wx/wx.h"
21 #include "wx/log.h"
22 #endif
23
24 #include "wx/colordlg.h"
25 #include "wx/numdlg.h"
26
27 #include "wx/image.h"
28 #include "wx/imaglist.h"
29 #include "wx/treectrl.h"
30 #include "wx/math.h"
31
32 #ifdef __WIN32__
33 // this is not supported by native control
34 #define NO_VARIABLE_HEIGHT
35 #endif
36
37 #include "treetest.h"
38
39 #include "icon1.xpm"
40 #include "icon2.xpm"
41 #include "icon3.xpm"
42 #include "icon4.xpm"
43 #include "icon5.xpm"
44
45 #ifndef __WXMSW__
46 #include "../sample.xpm"
47 #endif
48
49 // verify that the item is ok and insult the user if it is not
50 #define CHECK_ITEM( item ) if ( !item.IsOk() ) { \
51 wxMessageBox(wxT("Please select some item first!"), \
52 wxT("Tree sample error"), \
53 wxOK | wxICON_EXCLAMATION, \
54 this); \
55 return; \
56 }
57
58 #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name)
59
BEGIN_EVENT_TABLE(MyFrame,wxFrame)60 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
61 EVT_IDLE(MyFrame::OnIdle)
62 EVT_SIZE(MyFrame::OnSize)
63
64 MENU_LINK(Quit)
65 MENU_LINK(About)
66
67 MENU_LINK(TogButtons)
68 MENU_LINK(TogTwist)
69 MENU_LINK(TogLines)
70 MENU_LINK(TogEdit)
71 MENU_LINK(TogHideRoot)
72 MENU_LINK(TogRootLines)
73 MENU_LINK(TogBorder)
74 MENU_LINK(TogFullHighlight)
75 MENU_LINK(SetFgColour)
76 MENU_LINK(SetBgColour)
77 MENU_LINK(ResetStyle)
78
79 MENU_LINK(Highlight)
80 MENU_LINK(Dump)
81 #ifndef NO_MULTIPLE_SELECTION
82 MENU_LINK(DumpSelected)
83 MENU_LINK(Select)
84 MENU_LINK(Unselect)
85 MENU_LINK(ToggleSel)
86 #endif // NO_MULTIPLE_SELECTION
87 MENU_LINK(Rename)
88 MENU_LINK(Count)
89 MENU_LINK(CountRec)
90 MENU_LINK(Sort)
91 MENU_LINK(SortRev)
92 MENU_LINK(SetBold)
93 MENU_LINK(ClearBold)
94 MENU_LINK(Delete)
95 MENU_LINK(DeleteChildren)
96 MENU_LINK(DeleteAll)
97 MENU_LINK(Recreate)
98 MENU_LINK(ToggleImages)
99 MENU_LINK(ToggleButtons)
100 MENU_LINK(SetImageSize)
101 MENU_LINK(CollapseAndReset)
102 MENU_LINK(EnsureVisible)
103 MENU_LINK(AddItem)
104 MENU_LINK(InsertItem)
105 MENU_LINK(IncIndent)
106 MENU_LINK(DecIndent)
107 MENU_LINK(IncSpacing)
108 MENU_LINK(DecSpacing)
109 MENU_LINK(ToggleIcon)
110 MENU_LINK(SelectRoot)
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
135 EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
136 EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
137 EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
138 EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
139
140 // so many differents ways to handle right mouse button clicks...
141 EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu)
142 // EVT_TREE_ITEM_MENU is the preferred event for creating context menus
143 // on a tree control, because it includes the point of the click or item,
144 // meaning that no additional placement calculations are required.
145 EVT_TREE_ITEM_MENU(TreeTest_Ctrl, MyTreeCtrl::OnItemMenu)
146 EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRClick)
147
148 EVT_RIGHT_DOWN(MyTreeCtrl::OnRMouseDown)
149 EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp)
150 EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)
151 END_EVENT_TABLE()
152
153 IMPLEMENT_APP(MyApp)
154
155 bool MyApp::OnInit()
156 {
157 // Create the main frame window
158 MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600);
159
160 // Show the frame
161 frame->Show(true);
162 SetTopWindow(frame);
163
164 return true;
165 }
166
167
168 // My frame constructor
MyFrame(const wxString & title,int x,int y,int w,int h)169 MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
170 : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
171 m_treeCtrl(NULL)
172 #if wxUSE_LOG
173 , m_textCtrl(NULL)
174 #endif // wxUSE_LOG
175 {
176 // This reduces flicker effects - even better would be to define
177 // OnEraseBackground to do nothing. When the tree control's scrollbars are
178 // show or hidden, the frame is sent a background erase event.
179 SetBackgroundColour(wxColour(255, 255, 255));
180
181 // Give it an icon
182 SetIcon(wxICON(sample));
183
184 #if wxUSE_MENUS
185 // Make a menubar
186 wxMenu *file_menu = new wxMenu,
187 *style_menu = new wxMenu,
188 *tree_menu = new wxMenu,
189 *item_menu = new wxMenu;
190
191 file_menu->Append(TreeTest_About, wxT("&About..."));
192 file_menu->AppendSeparator();
193 file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
194
195 style_menu->AppendCheckItem(TreeTest_TogButtons, wxT("Toggle &normal buttons"));
196 style_menu->AppendCheckItem(TreeTest_TogTwist, wxT("Toggle &twister buttons"));
197 style_menu->AppendCheckItem(TreeTest_ToggleButtons, wxT("Toggle image &buttons"));
198 style_menu->AppendSeparator();
199 style_menu->AppendCheckItem(TreeTest_TogLines, wxT("Toggle &connecting lines"));
200 style_menu->AppendCheckItem(TreeTest_TogRootLines, wxT("Toggle &lines at root"));
201 style_menu->AppendCheckItem(TreeTest_TogHideRoot, wxT("Toggle &hidden root"));
202 style_menu->AppendCheckItem(TreeTest_TogBorder, wxT("Toggle &item border"));
203 style_menu->AppendCheckItem(TreeTest_TogFullHighlight, wxT("Toggle &full row highlight"));
204 style_menu->AppendCheckItem(TreeTest_TogEdit, wxT("Toggle &edit mode"));
205 #ifndef NO_MULTIPLE_SELECTION
206 style_menu->AppendCheckItem(TreeTest_ToggleSel, wxT("Toggle &selection mode"));
207 #endif // NO_MULTIPLE_SELECTION
208 style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
209 style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
210 style_menu->AppendSeparator();
211 style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour..."));
212 style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour..."));
213 style_menu->AppendSeparator();
214 style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10"));
215
216 tree_menu->Append(TreeTest_Recreate, wxT("&Recreate the tree"));
217 tree_menu->Append(TreeTest_CollapseAndReset, wxT("C&ollapse and reset"));
218 tree_menu->AppendSeparator();
219 tree_menu->Append(TreeTest_AddItem, wxT("Append a &new item"));
220 tree_menu->Append(TreeTest_InsertItem, wxT("&Insert a new item"));
221 tree_menu->Append(TreeTest_Delete, wxT("&Delete this item"));
222 tree_menu->Append(TreeTest_DeleteChildren, wxT("Delete &children"));
223 tree_menu->Append(TreeTest_DeleteAll, wxT("Delete &all items"));
224 tree_menu->Append(TreeTest_SelectRoot, wxT("Select root item"));
225 tree_menu->AppendSeparator();
226 tree_menu->Append(TreeTest_Count, wxT("Count children of current item"));
227 tree_menu->Append(TreeTest_CountRec, wxT("Recursively count children of current item"));
228 tree_menu->AppendSeparator();
229 tree_menu->Append(TreeTest_Sort, wxT("Sort children of current item"));
230 tree_menu->Append(TreeTest_SortRev, wxT("Sort in reversed order"));
231 tree_menu->AppendSeparator();
232 tree_menu->Append(TreeTest_EnsureVisible, wxT("Make the last item &visible"));
233 tree_menu->AppendSeparator();
234 tree_menu->Append(TreeTest_IncIndent, wxT("Add 5 points to indentation\tAlt-I"));
235 tree_menu->Append(TreeTest_DecIndent, wxT("Reduce indentation by 5 points\tAlt-R"));
236 tree_menu->AppendSeparator();
237 tree_menu->Append(TreeTest_IncSpacing, wxT("Add 5 points to spacing\tCtrl-I"));
238 tree_menu->Append(TreeTest_DecSpacing, wxT("Reduce spacing by 5 points\tCtrl-R"));
239
240 item_menu->Append(TreeTest_Dump, wxT("&Dump item children"));
241 item_menu->Append(TreeTest_Rename, wxT("&Rename item..."));
242
243 item_menu->AppendSeparator();
244 item_menu->Append(TreeTest_SetBold, wxT("Make item &bold"));
245 item_menu->Append(TreeTest_ClearBold, wxT("Make item ¬ bold"));
246 item_menu->AppendSeparator();
247 item_menu->Append(TreeTest_ToggleIcon, wxT("Toggle the item's &icon"));
248
249 #ifndef NO_MULTIPLE_SELECTION
250 item_menu->AppendSeparator();
251 item_menu->Append(TreeTest_DumpSelected, wxT("Dump selected items\tAlt-D"));
252 item_menu->Append(TreeTest_Select, wxT("Select current item\tAlt-S"));
253 item_menu->Append(TreeTest_Unselect, wxT("Unselect everything\tAlt-U"));
254 #endif // NO_MULTIPLE_SELECTION
255
256 wxMenuBar *menu_bar = new wxMenuBar;
257 menu_bar->Append(file_menu, wxT("&File"));
258 menu_bar->Append(style_menu, wxT("&Style"));
259 menu_bar->Append(tree_menu, wxT("&Tree"));
260 menu_bar->Append(item_menu, wxT("&Item"));
261 SetMenuBar(menu_bar);
262 #endif // wxUSE_MENUS
263
264 m_panel = new wxPanel(this);
265
266 #if wxUSE_LOG
267 // create the controls
268 m_textCtrl = new wxTextCtrl(m_panel, wxID_ANY, wxT(""),
269 wxDefaultPosition, wxDefaultSize,
270 wxTE_MULTILINE | wxSUNKEN_BORDER);
271 #endif // wxUSE_LOG
272
273 CreateTreeWithDefStyle();
274
275 menu_bar->Check(TreeTest_ToggleImages, true);
276
277 #if wxUSE_STATUSBAR
278 // create a status bar
279 CreateStatusBar(2);
280 #endif // wxUSE_STATUSBAR
281
282 #if wxUSE_LOG
283 #ifdef __WXMOTIF__
284 // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
285 // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
286 delete wxLog::SetActiveTarget(new wxLogStderr);
287 #else
288 // set our text control as the log target
289 wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
290 delete wxLog::SetActiveTarget(logWindow);
291 #endif
292 #endif // wxUSE_LOG
293 }
294
~MyFrame()295 MyFrame::~MyFrame()
296 {
297 #if wxUSE_LOG
298 delete wxLog::SetActiveTarget(NULL);
299 #endif // wxUSE_LOG
300 }
301
CreateTreeWithDefStyle()302 void MyFrame::CreateTreeWithDefStyle()
303 {
304 long style = wxTR_DEFAULT_STYLE |
305 #ifndef NO_VARIABLE_HEIGHT
306 wxTR_HAS_VARIABLE_ROW_HEIGHT |
307 #endif
308 wxTR_EDIT_LABELS;
309
310 CreateTree(style | wxSUNKEN_BORDER);
311
312 // as we don't know what wxTR_DEFAULT_STYLE could contain, test for
313 // everything
314 wxMenuBar *mbar = GetMenuBar();
315 mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0);
316 mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0);
317 mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0);
318 mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0);
319 mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0);
320 mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0);
321 mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0);
322 mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0);
323 }
324
CreateTree(long style)325 void MyFrame::CreateTree(long style)
326 {
327 m_treeCtrl = new MyTreeCtrl(m_panel, TreeTest_Ctrl,
328 wxDefaultPosition, wxDefaultSize,
329 style);
330
331 GetMenuBar()->Enable(TreeTest_SelectRoot, !(style & wxTR_HIDE_ROOT));
332
333 Resize();
334 }
335
TogStyle(int id,long flag)336 void MyFrame::TogStyle(int id, long flag)
337 {
338 long style = m_treeCtrl->GetWindowStyle() ^ flag;
339
340 // most treectrl styles can't be changed on the fly using the native
341 // control and the tree must be recreated
342 #ifndef __WXMSW__
343 m_treeCtrl->SetWindowStyle(style);
344 #else // MSW
345 delete m_treeCtrl;
346 CreateTree(style);
347 #endif // !MSW/MSW
348
349 GetMenuBar()->Check(id, (style & flag) != 0);
350 }
351
OnIdle(wxIdleEvent & event)352 void MyFrame::OnIdle(wxIdleEvent& event)
353 {
354 #if wxUSE_STATUSBAR
355 if ( m_treeCtrl )
356 {
357 wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
358 wxString status;
359 if (idRoot.IsOk())
360 {
361 wxTreeItemId idLast = m_treeCtrl->GetLastChild(idRoot);
362 status = wxString::Format(
363 _T("Root/last item is %svisible/%svisible"),
364 m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
365 idLast.IsOk() && m_treeCtrl->IsVisible(idLast)
366 ? _T("") : _T("not "));
367 }
368 else
369 status = _T("No root item");
370
371 SetStatusText(status, 1);
372 }
373 #endif // wxUSE_STATUSBAR
374
375 event.Skip();
376 }
377
OnSize(wxSizeEvent & event)378 void MyFrame::OnSize(wxSizeEvent& event)
379 {
380 if ( m_treeCtrl
381 #if wxUSE_LOG
382 && m_textCtrl
383 #endif // wxUSE_LOG
384 )
385 {
386 Resize();
387 }
388
389 event.Skip();
390 }
391
Resize()392 void MyFrame::Resize()
393 {
394 wxSize size = GetClientSize();
395 m_treeCtrl->SetSize(0, 0, size.x, size.y
396 #if !wxUSE_LOG
397 );
398 #else
399 *2/3);
400 m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3);
401 #endif
402 }
403
OnQuit(wxCommandEvent & WXUNUSED (event))404 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
405 {
406 Close(true);
407 }
408
OnAbout(wxCommandEvent & WXUNUSED (event))409 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
410 {
411 wxMessageBox(wxT("Tree test sample\n")
412 wxT("(c) Julian Smart 1997, Vadim Zeitlin 1998"),
413 wxT("About tree test"),
414 wxOK | wxICON_INFORMATION, this);
415 }
416
OnRename(wxCommandEvent & WXUNUSED (event))417 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
418 {
419 wxTreeItemId item = m_treeCtrl->GetSelection();
420
421 CHECK_ITEM( item );
422
423 // old code - now we edit in place
424 #if 0
425 static wxString s_text;
426 s_text = wxGetTextFromUser(wxT("New name: "), wxT("Tree sample question"),
427 s_text, this);
428 if ( !s_text.empty() )
429 {
430 m_treeCtrl->SetItemText(item, s_text);
431 }
432 #endif // 0
433
434 // TODO demonstrate creating a custom edit control...
435 (void)m_treeCtrl->EditLabel(item);
436 }
437
OnCount(wxCommandEvent & WXUNUSED (event))438 void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event))
439 {
440 wxTreeItemId item = m_treeCtrl->GetSelection();
441
442 CHECK_ITEM( item );
443
444 int i = m_treeCtrl->GetChildrenCount( item, false );
445
446 wxLogMessage(wxT("%d children"), i);
447 }
448
OnCountRec(wxCommandEvent & WXUNUSED (event))449 void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
450 {
451 wxTreeItemId item = m_treeCtrl->GetSelection();
452
453 CHECK_ITEM( item );
454
455 int i = m_treeCtrl->GetChildrenCount( item );
456
457 wxLogMessage(wxT("%d children"), i);
458 }
459
DoSort(bool reverse)460 void MyFrame::DoSort(bool reverse)
461 {
462 wxTreeItemId item = m_treeCtrl->GetSelection();
463
464 CHECK_ITEM( item );
465
466 m_treeCtrl->DoSortChildren(item, reverse);
467 }
468
OnHighlight(wxCommandEvent & WXUNUSED (event))469 void MyFrame::OnHighlight(wxCommandEvent& WXUNUSED(event))
470 {
471 wxTreeItemId id = m_treeCtrl->GetSelection();
472
473 CHECK_ITEM( id );
474
475 wxRect r;
476 if ( !m_treeCtrl->GetBoundingRect(id, r, true /* text, not full row */) )
477 {
478 wxLogMessage(_T("Failed to get bounding item rect"));
479 return;
480 }
481
482 wxClientDC dc(m_treeCtrl);
483 dc.SetBrush(*wxRED);
484 dc.SetPen(*wxTRANSPARENT_PEN);
485 dc.DrawRectangle(r);
486 m_treeCtrl->Update();
487 }
488
OnDump(wxCommandEvent & WXUNUSED (event))489 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
490 {
491 wxTreeItemId root = m_treeCtrl->GetSelection();
492
493 CHECK_ITEM( root );
494
495 m_treeCtrl->GetItemsRecursively(root);
496 }
497
498 #ifndef NO_MULTIPLE_SELECTION
499
OnToggleSel(wxCommandEvent & event)500 void MyFrame::OnToggleSel(wxCommandEvent& event)
501 {
502 TogStyle(event.GetId(), wxTR_MULTIPLE);
503 }
504
OnDumpSelected(wxCommandEvent & WXUNUSED (event))505 void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
506 {
507 wxArrayTreeItemIds array;
508
509 size_t count = m_treeCtrl->GetSelections(array);
510 wxLogMessage(wxT("%u items selected"), unsigned(count));
511
512 for ( size_t n = 0; n < count; n++ )
513 {
514 wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str());
515 }
516 }
517
OnSelect(wxCommandEvent & WXUNUSED (event))518 void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event))
519 {
520 m_treeCtrl->SelectItem(m_treeCtrl->GetSelection());
521 }
522
OnSelectRoot(wxCommandEvent & WXUNUSED (event))523 void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event))
524 {
525 if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) )
526 m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem());
527 }
528
OnUnselect(wxCommandEvent & WXUNUSED (event))529 void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event))
530 {
531 m_treeCtrl->UnselectAll();
532 }
533
534 #endif // NO_MULTIPLE_SELECTION
535
DoSetBold(bool bold)536 void MyFrame::DoSetBold(bool bold)
537 {
538 wxTreeItemId item = m_treeCtrl->GetSelection();
539
540 CHECK_ITEM( item );
541
542 m_treeCtrl->SetItemBold(item, bold);
543 }
544
OnDelete(wxCommandEvent & WXUNUSED (event))545 void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
546 {
547 wxTreeItemId item = m_treeCtrl->GetSelection();
548
549 CHECK_ITEM( item );
550
551 m_treeCtrl->Delete(item);
552 }
553
OnDeleteChildren(wxCommandEvent & WXUNUSED (event))554 void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
555 {
556 wxTreeItemId item = m_treeCtrl->GetSelection();
557
558 CHECK_ITEM( item );
559
560 m_treeCtrl->DeleteChildren(item);
561 }
562
OnDeleteAll(wxCommandEvent & WXUNUSED (event))563 void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
564 {
565 m_treeCtrl->DeleteAllItems();
566 }
567
OnRecreate(wxCommandEvent & event)568 void MyFrame::OnRecreate(wxCommandEvent& event)
569 {
570 OnDeleteAll(event);
571 m_treeCtrl->AddTestItemsToTree(5, 2);
572 }
573
OnSetImageSize(wxCommandEvent & WXUNUSED (event))574 void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(event))
575 {
576 int size = wxGetNumberFromUser(wxT("Enter the size for the images to use"),
577 wxT("Size: "),
578 wxT("TreeCtrl sample"),
579 m_treeCtrl->ImageSize());
580 if ( size == -1 )
581 return;
582
583 m_treeCtrl->CreateImageList(size);
584 wxGetApp().SetShowImages(true);
585 }
586
OnToggleImages(wxCommandEvent & WXUNUSED (event))587 void MyFrame::OnToggleImages(wxCommandEvent& WXUNUSED(event))
588 {
589 if ( wxGetApp().ShowImages() )
590 {
591 m_treeCtrl->CreateImageList(-1);
592 wxGetApp().SetShowImages(false);
593 }
594 else
595 {
596 m_treeCtrl->CreateImageList(0);
597 wxGetApp().SetShowImages(true);
598 }
599 }
600
OnToggleButtons(wxCommandEvent & WXUNUSED (event))601 void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(event))
602 {
603 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
604 if ( wxGetApp().ShowButtons() )
605 {
606 m_treeCtrl->CreateButtonsImageList(-1);
607 wxGetApp().SetShowButtons(false);
608 }
609 else
610 {
611 m_treeCtrl->CreateButtonsImageList(15);
612 wxGetApp().SetShowButtons(true);
613 }
614 #endif
615 }
616
OnCollapseAndReset(wxCommandEvent & WXUNUSED (event))617 void MyFrame::OnCollapseAndReset(wxCommandEvent& WXUNUSED(event))
618 {
619 m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
620 }
621
OnEnsureVisible(wxCommandEvent & WXUNUSED (event))622 void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event))
623 {
624 m_treeCtrl->DoEnsureVisible();
625 }
626
OnInsertItem(wxCommandEvent & WXUNUSED (event))627 void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
628 {
629 int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
630 m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, wxT("2nd item"));
631 }
632
OnAddItem(wxCommandEvent & WXUNUSED (event))633 void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
634 {
635 static int s_num = 0;
636
637 wxString text;
638 text.Printf(wxT("Item #%d"), ++s_num);
639
640 m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
641 text /*,
642 MyTreeCtrl::TreeCtrlIcon_File */ );
643 }
644
OnIncIndent(wxCommandEvent & WXUNUSED (event))645 void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))
646 {
647 unsigned int indent = m_treeCtrl->GetIndent();
648 if (indent < 100)
649 m_treeCtrl->SetIndent( indent+5 );
650 }
651
OnDecIndent(wxCommandEvent & WXUNUSED (event))652 void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
653 {
654 unsigned int indent = m_treeCtrl->GetIndent();
655 if (indent > 10)
656 m_treeCtrl->SetIndent( indent-5 );
657 }
658
OnIncSpacing(wxCommandEvent & WXUNUSED (event))659 void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
660 {
661 unsigned int indent = m_treeCtrl->GetSpacing();
662 if (indent < 100)
663 m_treeCtrl->SetSpacing( indent+5 );
664 }
665
OnDecSpacing(wxCommandEvent & WXUNUSED (event))666 void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
667 {
668 unsigned int indent = m_treeCtrl->GetSpacing();
669 if (indent > 10)
670 m_treeCtrl->SetSpacing( indent-5 );
671 }
672
OnToggleIcon(wxCommandEvent & WXUNUSED (event))673 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
674 {
675 wxTreeItemId item = m_treeCtrl->GetSelection();
676
677 CHECK_ITEM( item );
678
679 m_treeCtrl->DoToggleIcon(item);
680 }
681
OnSetFgColour(wxCommandEvent & WXUNUSED (event))682 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
683 {
684 wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
685 if ( col.Ok() )
686 m_treeCtrl->SetForegroundColour(col);
687 }
688
OnSetBgColour(wxCommandEvent & WXUNUSED (event))689 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
690 {
691 wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
692 if ( col.Ok() )
693 m_treeCtrl->SetBackgroundColour(col);
694 }
695
696 // MyTreeCtrl implementation
697 #if USE_GENERIC_TREECTRL
IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl,wxGenericTreeCtrl)698 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl)
699 #else
700 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
701 #endif
702
703 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
704 const wxPoint& pos, const wxSize& size,
705 long style)
706 : wxTreeCtrl(parent, id, pos, size, style)
707 {
708 m_reverseSort = false;
709
710 CreateImageList();
711
712 // Add some items to the tree
713 AddTestItemsToTree(5, 2);
714 }
715
CreateImageList(int size)716 void MyTreeCtrl::CreateImageList(int size)
717 {
718 if ( size == -1 )
719 {
720 SetImageList(NULL);
721 return;
722 }
723 if ( size == 0 )
724 size = m_imageSize;
725 else
726 m_imageSize = size;
727
728 // Make an image list containing small icons
729 wxImageList *images = new wxImageList(size, size, true);
730
731 // should correspond to TreeCtrlIcon_xxx enum
732 wxBusyCursor wait;
733 wxIcon icons[5];
734 icons[0] = wxIcon(icon1_xpm);
735 icons[1] = wxIcon(icon2_xpm);
736 icons[2] = wxIcon(icon3_xpm);
737 icons[3] = wxIcon(icon4_xpm);
738 icons[4] = wxIcon(icon5_xpm);
739
740 int sizeOrig = icons[0].GetWidth();
741 for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
742 {
743 if ( size == sizeOrig )
744 {
745 images->Add(icons[i]);
746 }
747 else
748 {
749 images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
750 }
751 }
752
753 AssignImageList(images);
754 }
755
756 #if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
CreateButtonsImageList(int size)757 void MyTreeCtrl::CreateButtonsImageList(int size)
758 {
759 if ( size == -1 )
760 {
761 SetButtonsImageList(NULL);
762 return;
763 }
764
765 // Make an image list containing small icons
766 wxImageList *images = new wxImageList(size, size, true);
767
768 // should correspond to TreeCtrlIcon_xxx enum
769 wxBusyCursor wait;
770 wxIcon icons[4];
771 icons[0] = wxIcon(icon3_xpm); // closed
772 icons[1] = wxIcon(icon3_xpm); // closed, selected
773 icons[2] = wxIcon(icon5_xpm); // open
774 icons[3] = wxIcon(icon5_xpm); // open, selected
775
776 for ( size_t i = 0; i < WXSIZEOF(icons); i++ )
777 {
778 int sizeOrig = icons[i].GetWidth();
779 if ( size == sizeOrig )
780 {
781 images->Add(icons[i]);
782 }
783 else
784 {
785 images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size)));
786 }
787 }
788
789 AssignButtonsImageList(images);
790 #else
791 void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size))
792 {
793 #endif
794 }
795
796 int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
797 const wxTreeItemId& item2)
798 {
799 if ( m_reverseSort )
800 {
801 // just exchange 1st and 2nd items
802 return wxTreeCtrl::OnCompareItems(item2, item1);
803 }
804 else
805 {
806 return wxTreeCtrl::OnCompareItems(item1, item2);
807 }
808 }
809
810 void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
811 size_t numChildren,
812 size_t depth,
813 size_t folder)
814 {
815 if ( depth > 0 )
816 {
817 bool hasChildren = depth > 1;
818
819 wxString str;
820 for ( size_t n = 0; n < numChildren; n++ )
821 {
822 // at depth 1 elements won't have any more children
823 if ( hasChildren )
824 str.Printf(wxT("%s child %u"), wxT("Folder"), unsigned(n + 1));
825 else
826 str.Printf(wxT("%s child %u.%u"), wxT("File"), unsigned(folder), unsigned(n + 1));
827
828 // here we pass to AppendItem() normal and selected item images (we
829 // suppose that selected image follows the normal one in the enum)
830 int image, imageSel;
831 if ( wxGetApp().ShowImages() )
832 {
833 image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
834 imageSel = image + 1;
835 }
836 else
837 {
838 image = imageSel = -1;
839 }
840 wxTreeItemId id = AppendItem(idParent, str, image, imageSel,
841 new MyTreeItemData(str));
842
843 // and now we also set the expanded one (only for the folders)
844 if ( hasChildren && wxGetApp().ShowImages() )
845 {
846 SetItemImage(id, TreeCtrlIcon_FolderOpened,
847 wxTreeItemIcon_Expanded);
848 }
849
850 // remember the last child for OnEnsureVisible()
851 if ( !hasChildren && n == numChildren - 1 )
852 {
853 m_lastItem = id;
854 }
855
856 AddItemsRecursively(id, numChildren, depth - 1, n + 1);
857 }
858 }
859 //else: done!
860 }
861
862 void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
863 size_t depth)
864 {
865 int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
866 wxTreeItemId rootId = AddRoot(wxT("Root"),
867 image, image,
868 new MyTreeItemData(wxT("Root item")));
869 if ( !HasFlag(wxTR_HIDE_ROOT) && image != -1 )
870 {
871 SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
872 }
873
874 AddItemsRecursively(rootId, numChildren, depth, 0);
875
876 // set some colours/fonts for testing
877 if ( !HasFlag(wxTR_HIDE_ROOT) )
878 SetItemFont(rootId, *wxITALIC_FONT);
879
880 wxTreeItemIdValue cookie;
881 wxTreeItemId id = GetFirstChild(rootId, cookie);
882 SetItemTextColour(id, *wxBLUE);
883
884 id = GetNextChild(rootId, cookie);
885 id = GetNextChild(rootId, cookie);
886 SetItemTextColour(id, *wxRED);
887 SetItemBackgroundColour(id, *wxLIGHT_GREY);
888 }
889
890 void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent,
891 wxTreeItemIdValue cookie)
892 {
893 wxTreeItemId id;
894
895 if ( !cookie )
896 id = GetFirstChild(idParent, cookie);
897 else
898 id = GetNextChild(idParent, cookie);
899
900 if ( !id.IsOk() )
901 return;
902
903 wxString text = GetItemText(id);
904 wxLogMessage(text);
905
906 if (ItemHasChildren(id))
907 GetItemsRecursively(id);
908
909 GetItemsRecursively(idParent, cookie);
910 }
911
912 void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
913 {
914 int image = (GetItemImage(item) == TreeCtrlIcon_Folder)
915 ? TreeCtrlIcon_File
916 : TreeCtrlIcon_Folder;
917 SetItemImage(item, image, wxTreeItemIcon_Normal);
918
919 image = (GetItemImage(item) == TreeCtrlIcon_FolderSelected)
920 ? TreeCtrlIcon_FileSelected
921 : TreeCtrlIcon_FolderSelected;
922 SetItemImage(item, image, wxTreeItemIcon_Selected);
923 }
924
925 void MyTreeCtrl::LogEvent(const wxChar *name, const wxTreeEvent& event)
926 {
927 wxTreeItemId item = event.GetItem();
928 wxString text;
929 if ( item.IsOk() )
930 text << _T('"') << GetItemText(item).c_str() << _T('"');
931 else
932 text = _T("invalid item");
933 wxLogMessage(wxT("%s(%s)"), name, text.c_str());
934 }
935
936 // avoid repetition
937 #define TREE_EVENT_HANDLER(name) \
938 void MyTreeCtrl::name(wxTreeEvent& event) \
939 { \
940 LogEvent(_T(#name), event); \
941 SetLastItem(wxTreeItemId()); \
942 event.Skip(); \
943 }
944
945 TREE_EVENT_HANDLER(OnBeginRDrag)
946 TREE_EVENT_HANDLER(OnDeleteItem)
947 TREE_EVENT_HANDLER(OnGetInfo)
948 TREE_EVENT_HANDLER(OnSetInfo)
949 TREE_EVENT_HANDLER(OnItemExpanded)
950 TREE_EVENT_HANDLER(OnItemExpanding)
951 TREE_EVENT_HANDLER(OnItemCollapsed)
952 TREE_EVENT_HANDLER(OnSelChanged)
953 TREE_EVENT_HANDLER(OnSelChanging)
954
955 #undef TREE_EVENT_HANDLER
956
957 void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)
958 {
959 wxString key;
960 long keycode = event.GetKeyCode();
961 {
962 switch ( keycode )
963 {
964 case WXK_BACK: key = wxT("BACK"); break;
965 case WXK_TAB: key = wxT("TAB"); break;
966 case WXK_RETURN: key = wxT("RETURN"); break;
967 case WXK_ESCAPE: key = wxT("ESCAPE"); break;
968 case WXK_SPACE: key = wxT("SPACE"); break;
969 case WXK_DELETE: key = wxT("DELETE"); break;
970 case WXK_START: key = wxT("START"); break;
971 case WXK_LBUTTON: key = wxT("LBUTTON"); break;
972 case WXK_RBUTTON: key = wxT("RBUTTON"); break;
973 case WXK_CANCEL: key = wxT("CANCEL"); break;
974 case WXK_MBUTTON: key = wxT("MBUTTON"); break;
975 case WXK_CLEAR: key = wxT("CLEAR"); break;
976 case WXK_SHIFT: key = wxT("SHIFT"); break;
977 case WXK_ALT: key = wxT("ALT"); break;
978 case WXK_CONTROL: key = wxT("CONTROL"); break;
979 case WXK_MENU: key = wxT("MENU"); break;
980 case WXK_PAUSE: key = wxT("PAUSE"); break;
981 case WXK_CAPITAL: key = wxT("CAPITAL"); break;
982 case WXK_END: key = wxT("END"); break;
983 case WXK_HOME: key = wxT("HOME"); break;
984 case WXK_LEFT: key = wxT("LEFT"); break;
985 case WXK_UP: key = wxT("UP"); break;
986 case WXK_RIGHT: key = wxT("RIGHT"); break;
987 case WXK_DOWN: key = wxT("DOWN"); break;
988 case WXK_SELECT: key = wxT("SELECT"); break;
989 case WXK_PRINT: key = wxT("PRINT"); break;
990 case WXK_EXECUTE: key = wxT("EXECUTE"); break;
991 case WXK_SNAPSHOT: key = wxT("SNAPSHOT"); break;
992 case WXK_INSERT: key = wxT("INSERT"); break;
993 case WXK_HELP: key = wxT("HELP"); break;
994 case WXK_NUMPAD0: key = wxT("NUMPAD0"); break;
995 case WXK_NUMPAD1: key = wxT("NUMPAD1"); break;
996 case WXK_NUMPAD2: key = wxT("NUMPAD2"); break;
997 case WXK_NUMPAD3: key = wxT("NUMPAD3"); break;
998 case WXK_NUMPAD4: key = wxT("NUMPAD4"); break;
999 case WXK_NUMPAD5: key = wxT("NUMPAD5"); break;
1000 case WXK_NUMPAD6: key = wxT("NUMPAD6"); break;
1001 case WXK_NUMPAD7: key = wxT("NUMPAD7"); break;
1002 case WXK_NUMPAD8: key = wxT("NUMPAD8"); break;
1003 case WXK_NUMPAD9: key = wxT("NUMPAD9"); break;
1004 case WXK_MULTIPLY: key = wxT("MULTIPLY"); break;
1005 case WXK_ADD: key = wxT("ADD"); break;
1006 case WXK_SEPARATOR: key = wxT("SEPARATOR"); break;
1007 case WXK_SUBTRACT: key = wxT("SUBTRACT"); break;
1008 case WXK_DECIMAL: key = wxT("DECIMAL"); break;
1009 case WXK_DIVIDE: key = wxT("DIVIDE"); break;
1010 case WXK_F1: key = wxT("F1"); break;
1011 case WXK_F2: key = wxT("F2"); break;
1012 case WXK_F3: key = wxT("F3"); break;
1013 case WXK_F4: key = wxT("F4"); break;
1014 case WXK_F5: key = wxT("F5"); break;
1015 case WXK_F6: key = wxT("F6"); break;
1016 case WXK_F7: key = wxT("F7"); break;
1017 case WXK_F8: key = wxT("F8"); break;
1018 case WXK_F9: key = wxT("F9"); break;
1019 case WXK_F10: key = wxT("F10"); break;
1020 case WXK_F11: key = wxT("F11"); break;
1021 case WXK_F12: key = wxT("F12"); break;
1022 case WXK_F13: key = wxT("F13"); break;
1023 case WXK_F14: key = wxT("F14"); break;
1024 case WXK_F15: key = wxT("F15"); break;
1025 case WXK_F16: key = wxT("F16"); break;
1026 case WXK_F17: key = wxT("F17"); break;
1027 case WXK_F18: key = wxT("F18"); break;
1028 case WXK_F19: key = wxT("F19"); break;
1029 case WXK_F20: key = wxT("F20"); break;
1030 case WXK_F21: key = wxT("F21"); break;
1031 case WXK_F22: key = wxT("F22"); break;
1032 case WXK_F23: key = wxT("F23"); break;
1033 case WXK_F24: key = wxT("F24"); break;
1034 case WXK_NUMLOCK: key = wxT("NUMLOCK"); break;
1035 case WXK_SCROLL: key = wxT("SCROLL"); break;
1036 case WXK_PAGEUP: key = wxT("PAGEUP"); break;
1037 case WXK_PAGEDOWN: key = wxT("PAGEDOWN"); break;
1038 case WXK_NUMPAD_SPACE: key = wxT("NUMPAD_SPACE"); break;
1039 case WXK_NUMPAD_TAB: key = wxT("NUMPAD_TAB"); break;
1040 case WXK_NUMPAD_ENTER: key = wxT("NUMPAD_ENTER"); break;
1041 case WXK_NUMPAD_F1: key = wxT("NUMPAD_F1"); break;
1042 case WXK_NUMPAD_F2: key = wxT("NUMPAD_F2"); break;
1043 case WXK_NUMPAD_F3: key = wxT("NUMPAD_F3"); break;
1044 case WXK_NUMPAD_F4: key = wxT("NUMPAD_F4"); break;
1045 case WXK_NUMPAD_HOME: key = wxT("NUMPAD_HOME"); break;
1046 case WXK_NUMPAD_LEFT: key = wxT("NUMPAD_LEFT"); break;
1047 case WXK_NUMPAD_UP: key = wxT("NUMPAD_UP"); break;
1048 case WXK_NUMPAD_RIGHT: key = wxT("NUMPAD_RIGHT"); break;
1049 case WXK_NUMPAD_DOWN: key = wxT("NUMPAD_DOWN"); break;
1050 case WXK_NUMPAD_PAGEUP: key = wxT("NUMPAD_PAGEUP"); break;
1051 case WXK_NUMPAD_PAGEDOWN: key = wxT("NUMPAD_PAGEDOWN"); break;
1052 case WXK_NUMPAD_END: key = wxT("NUMPAD_END"); break;
1053 case WXK_NUMPAD_BEGIN: key = wxT("NUMPAD_BEGIN"); break;
1054 case WXK_NUMPAD_INSERT: key = wxT("NUMPAD_INSERT"); break;
1055 case WXK_NUMPAD_DELETE: key = wxT("NUMPAD_DELETE"); break;
1056 case WXK_NUMPAD_EQUAL: key = wxT("NUMPAD_EQUAL"); break;
1057 case WXK_NUMPAD_MULTIPLY: key = wxT("NUMPAD_MULTIPLY"); break;
1058 case WXK_NUMPAD_ADD: key = wxT("NUMPAD_ADD"); break;
1059 case WXK_NUMPAD_SEPARATOR: key = wxT("NUMPAD_SEPARATOR"); break;
1060 case WXK_NUMPAD_SUBTRACT: key = wxT("NUMPAD_SUBTRACT"); break;
1061 case WXK_NUMPAD_DECIMAL: key = wxT("NUMPAD_DECIMAL"); break;
1062
1063 default:
1064 {
1065 if ( keycode < 128 && wxIsprint((int)keycode) )
1066 key.Printf(wxT("'%c'"), (char)keycode);
1067 else if ( keycode > 0 && keycode < 27 )
1068 key.Printf(_("Ctrl-%c"), wxT('A') + keycode - 1);
1069 else
1070 key.Printf(wxT("unknown (%ld)"), keycode);
1071 }
1072 }
1073 }
1074
1075 wxLogMessage( wxT("%s event: %s (flags = %c%c%c%c)"),
1076 name,
1077 key.c_str(),
1078 event.ControlDown() ? wxT('C') : wxT('-'),
1079 event.AltDown() ? wxT('A') : wxT('-'),
1080 event.ShiftDown() ? wxT('S') : wxT('-'),
1081 event.MetaDown() ? wxT('M') : wxT('-'));
1082 }
1083
1084 void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event)
1085 {
1086 LogKeyEvent(wxT("Tree key down "), event.GetKeyEvent());
1087
1088 event.Skip();
1089 }
1090
1091 void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
1092 {
1093 // need to explicitly allow drag
1094 if ( event.GetItem() != GetRootItem() )
1095 {
1096 m_draggedItem = event.GetItem();
1097
1098 wxPoint clientpt = event.GetPoint();
1099 wxPoint screenpt = ClientToScreen(clientpt);
1100
1101 wxLogMessage(wxT("OnBeginDrag: started dragging %s at screen coords (%i,%i)"),
1102 GetItemText(m_draggedItem).c_str(),
1103 screenpt.x, screenpt.y);
1104
1105 event.Allow();
1106 }
1107 else
1108 {
1109 wxLogMessage(wxT("OnBeginDrag: this item can't be dragged."));
1110 }
1111 }
1112
1113 void MyTreeCtrl::OnEndDrag(wxTreeEvent& event)
1114 {
1115 wxTreeItemId itemSrc = m_draggedItem,
1116 itemDst = event.GetItem();
1117 m_draggedItem = (wxTreeItemId)0l;
1118
1119 // where to copy the item?
1120 if ( itemDst.IsOk() && !ItemHasChildren(itemDst) )
1121 {
1122 // copy to the parent then
1123 itemDst = GetItemParent(itemDst);
1124 }
1125
1126 if ( !itemDst.IsOk() )
1127 {
1128 wxLogMessage(wxT("OnEndDrag: can't drop here."));
1129
1130 return;
1131 }
1132
1133 wxString text = GetItemText(itemSrc);
1134 wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."),
1135 text.c_str(), GetItemText(itemDst).c_str());
1136
1137 // just do append here - we could also insert it just before/after the item
1138 // on which it was dropped, but this requires slightly more work... we also
1139 // completely ignore the client data and icon of the old item but could
1140 // copy them as well.
1141 //
1142 // Finally, we only copy one item here but we might copy the entire tree if
1143 // we were dragging a folder.
1144 int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1;
1145 AppendItem(itemDst, text, image);
1146 }
1147
1148 void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
1149 {
1150 wxLogMessage(wxT("OnBeginLabelEdit"));
1151
1152 // for testing, prevent this item's label editing
1153 wxTreeItemId itemId = event.GetItem();
1154 if ( IsTestItem(itemId) )
1155 {
1156 wxMessageBox(wxT("You can't edit this item."));
1157
1158 event.Veto();
1159 }
1160 else if ( itemId == GetRootItem() )
1161 {
1162 // test that it is possible to change the text of the item being edited
1163 SetItemText(itemId, _T("Editing root item"));
1164 }
1165 }
1166
1167 void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
1168 {
1169 wxLogMessage(wxT("OnEndLabelEdit"));
1170
1171 // don't allow anything except letters in the labels
1172 if ( !event.GetLabel().IsWord() )
1173 {
1174 wxMessageBox(wxT("The new label should be a single word."));
1175
1176 event.Veto();
1177 }
1178 }
1179
1180 void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
1181 {
1182 wxLogMessage(wxT("OnItemCollapsing"));
1183
1184 // for testing, prevent the user from collapsing the first child folder
1185 wxTreeItemId itemId = event.GetItem();
1186 if ( IsTestItem(itemId) )
1187 {
1188 wxMessageBox(wxT("You can't collapse this item."));
1189
1190 event.Veto();
1191 }
1192 }
1193
1194 void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
1195 {
1196 // show some info about this item
1197 wxTreeItemId itemId = event.GetItem();
1198 MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
1199
1200 if ( item != NULL )
1201 {
1202 item->ShowInfo(this);
1203 }
1204
1205 wxLogMessage(wxT("OnItemActivated"));
1206 }
1207
1208 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
1209 {
1210 wxTreeItemId itemId = event.GetItem();
1211 MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
1212 : NULL;
1213 wxPoint clientpt = event.GetPoint();
1214 wxPoint screenpt = ClientToScreen(clientpt);
1215
1216 wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
1217 item ? item->GetDesc() : _T(""), screenpt.x, screenpt.y);
1218
1219 ShowMenu(itemId, clientpt);
1220 event.Skip();
1221 }
1222
1223 void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event)
1224 {
1225 wxPoint pt = event.GetPosition();
1226
1227 wxLogMessage(wxT("OnContextMenu at screen coords (%i, %i)"), pt.x, pt.y);
1228 }
1229
1230 void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
1231 {
1232 wxString title;
1233 if ( id.IsOk() )
1234 {
1235 title << wxT("Menu for ") << GetItemText(id);
1236 }
1237 else
1238 {
1239 title = wxT("Menu for no particular item");
1240 }
1241
1242 #if wxUSE_MENUS
1243 wxMenu menu(title);
1244 menu.Append(TreeTest_About, wxT("&About..."));
1245 menu.AppendSeparator();
1246 menu.Append(TreeTest_Highlight, wxT("&Highlight item"));
1247 menu.Append(TreeTest_Dump, wxT("&Dump"));
1248
1249 PopupMenu(&menu, pt);
1250 #endif // wxUSE_MENUS
1251 }
1252
1253 void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
1254 {
1255 wxTreeItemId itemId = event.GetItem();
1256 MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
1257 : NULL;
1258
1259 wxLogMessage(wxT("Item \"%s\" right clicked"), item ? item->GetDesc()
1260 : _T(""));
1261
1262 event.Skip();
1263 }
1264
1265 void MyTreeCtrl::OnRMouseDown(wxMouseEvent& event)
1266 {
1267 wxLogMessage(wxT("Right mouse button down"));
1268
1269 event.Skip();
1270 }
1271
1272 void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event)
1273 {
1274 wxLogMessage(wxT("Right mouse button up"));
1275
1276 event.Skip();
1277 }
1278
1279 void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
1280 {
1281 wxTreeItemId id = HitTest(event.GetPosition());
1282 if ( !id )
1283 wxLogMessage(wxT("No item under mouse"));
1284 else
1285 {
1286 MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
1287 if ( item )
1288 wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc());
1289 }
1290
1291 event.Skip();
1292 }
1293
1294 static inline const wxChar *Bool2String(bool b)
1295 {
1296 return b ? wxT("") : wxT("not ");
1297 }
1298
1299 void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
1300 {
1301 wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n")
1302 wxT("%u children (%u immediately under this item)."),
1303 m_desc.c_str(),
1304 Bool2String(tree->IsSelected(GetId())),
1305 Bool2String(tree->IsExpanded(GetId())),
1306 Bool2String(tree->IsBold(GetId())),
1307 unsigned(tree->GetChildrenCount(GetId())),
1308 unsigned(tree->GetChildrenCount(GetId(), false)));
1309 }
1310