| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: treectrl.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 | // important: the #pragma argument must be different from treectrl.cpp, |
| 13 | // otherwise gcc gets confused (as there is also treectrl.cpp in the library |
| 14 | // which has identical #pragma) and the sample crashes on startup! |
| 15 | #ifdef __GNUG__ |
| 16 | #pragma interface "treetest.cpp" |
| 17 | #pragma implementation "treetest.cpp" |
| 18 | #endif |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx/wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #include "wx/wx.h" |
| 29 | #endif |
| 30 | |
| 31 | #include "wx/log.h" |
| 32 | |
| 33 | #include "wx/image.h" |
| 34 | #include "wx/imaglist.h" |
| 35 | #include "wx/treectrl.h" |
| 36 | |
| 37 | #include "math.h" |
| 38 | |
| 39 | #ifdef __WIN32__ |
| 40 | // this is not supported by native control |
| 41 | #define NO_VARIABLE_HEIGHT |
| 42 | #endif |
| 43 | |
| 44 | #include "treectrl.h" |
| 45 | |
| 46 | // under Windows the icons are in the .rc file |
| 47 | #ifndef __WXMSW__ |
| 48 | #include "icon1.xpm" |
| 49 | #include "icon2.xpm" |
| 50 | #include "icon3.xpm" |
| 51 | #include "icon4.xpm" |
| 52 | #include "icon5.xpm" |
| 53 | #include "mondrian.xpm" |
| 54 | #endif |
| 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("Please select some item first!", \ |
| 59 | "Tree sample error", \ |
| 60 | wxOK | wxICON_EXCLAMATION, \ |
| 61 | this); \ |
| 62 | return; \ |
| 63 | } |
| 64 | |
| 65 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) |
| 66 | EVT_SIZE(MyFrame::OnSize) |
| 67 | |
| 68 | EVT_MENU(TreeTest_Quit, MyFrame::OnQuit) |
| 69 | EVT_MENU(TreeTest_About, MyFrame::OnAbout) |
| 70 | EVT_MENU(TreeTest_Dump, MyFrame::OnDump) |
| 71 | #ifndef NO_MULTIPLE_SELECTION |
| 72 | EVT_MENU(TreeTest_DumpSelected, MyFrame::OnDumpSelected) |
| 73 | EVT_MENU(TreeTest_Select, MyFrame::OnSelect) |
| 74 | EVT_MENU(TreeTest_Unselect, MyFrame::OnUnselect) |
| 75 | EVT_MENU(TreeTest_ToggleSel, MyFrame::OnToggleSel) |
| 76 | #endif // NO_MULTIPLE_SELECTION |
| 77 | EVT_MENU(TreeTest_Rename, MyFrame::OnRename) |
| 78 | EVT_MENU(TreeTest_Count, MyFrame::OnCount) |
| 79 | EVT_MENU(TreeTest_CountRec, MyFrame::OnCountRec) |
| 80 | EVT_MENU(TreeTest_Sort, MyFrame::OnSort) |
| 81 | EVT_MENU(TreeTest_SortRev, MyFrame::OnSortRev) |
| 82 | EVT_MENU(TreeTest_Bold, MyFrame::OnSetBold) |
| 83 | EVT_MENU(TreeTest_UnBold, MyFrame::OnClearBold) |
| 84 | EVT_MENU(TreeTest_Delete, MyFrame::OnDelete) |
| 85 | EVT_MENU(TreeTest_DeleteChildren, MyFrame::OnDeleteChildren) |
| 86 | EVT_MENU(TreeTest_DeleteAll, MyFrame::OnDeleteAll) |
| 87 | EVT_MENU(TreeTest_Recreate, MyFrame::OnRecreate) |
| 88 | EVT_MENU(TreeTest_ToggleImages, MyFrame::OnToggleImages) |
| 89 | EVT_MENU(TreeTest_SetImageSize, MyFrame::OnSetImageSize) |
| 90 | EVT_MENU(TreeTest_CollapseAndReset, MyFrame::OnCollapseAndReset) |
| 91 | EVT_MENU(TreeTest_EnsureVisible, MyFrame::OnEnsureVisible) |
| 92 | EVT_MENU(TreeTest_AddItem, MyFrame::OnAddItem) |
| 93 | EVT_MENU(TreeTest_InsertItem, MyFrame::OnInsertItem) |
| 94 | EVT_MENU(TreeTest_IncIndent, MyFrame::OnIncIndent) |
| 95 | EVT_MENU(TreeTest_DecIndent, MyFrame::OnDecIndent) |
| 96 | EVT_MENU(TreeTest_IncSpacing, MyFrame::OnIncSpacing) |
| 97 | EVT_MENU(TreeTest_DecSpacing, MyFrame::OnDecSpacing) |
| 98 | EVT_MENU(TreeTest_ToggleIcon, MyFrame::OnToggleIcon) |
| 99 | END_EVENT_TABLE() |
| 100 | |
| 101 | #if USE_GENERIC_TREECTRL |
| 102 | BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl) |
| 103 | #else |
| 104 | BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl) |
| 105 | #endif |
| 106 | EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag) |
| 107 | EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag) |
| 108 | EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag) |
| 109 | EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit) |
| 110 | EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit) |
| 111 | EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem) |
| 112 | #if 0 // there are so many of those that logging them causes flicker |
| 113 | EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo) |
| 114 | #endif |
| 115 | EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo) |
| 116 | EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded) |
| 117 | EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding) |
| 118 | EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed) |
| 119 | EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing) |
| 120 | EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRightClick) |
| 121 | |
| 122 | EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp) |
| 123 | EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged) |
| 124 | EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging) |
| 125 | EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown) |
| 126 | EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated) |
| 127 | EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick) |
| 128 | END_EVENT_TABLE() |
| 129 | |
| 130 | IMPLEMENT_APP(MyApp) |
| 131 | |
| 132 | bool MyApp::OnInit() |
| 133 | { |
| 134 | // Create the main frame window |
| 135 | MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 600); |
| 136 | |
| 137 | // Show the frame |
| 138 | frame->Show(TRUE); |
| 139 | SetTopWindow(frame); |
| 140 | |
| 141 | return TRUE; |
| 142 | } |
| 143 | |
| 144 | |
| 145 | // My frame constructor |
| 146 | MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h) |
| 147 | : wxFrame((wxFrame *)NULL, -1, title, wxPoint(x, y), wxSize(w, h)), |
| 148 | m_treeCtrl(NULL), m_textCtrl(NULL) |
| 149 | { |
| 150 | // This reduces flicker effects - even better would be to define |
| 151 | // OnEraseBackground to do nothing. When the tree control's scrollbars are |
| 152 | // show or hidden, the frame is sent a background erase event. |
| 153 | SetBackgroundColour(wxColour(255, 255, 255)); |
| 154 | |
| 155 | // Give it an icon |
| 156 | SetIcon(wxICON(mondrian)); |
| 157 | |
| 158 | #if wxUSE_MENUS |
| 159 | // Make a menubar |
| 160 | wxMenu *file_menu = new wxMenu, |
| 161 | *tree_menu = new wxMenu, |
| 162 | *item_menu = new wxMenu; |
| 163 | |
| 164 | file_menu->Append(TreeTest_About, "&About..."); |
| 165 | file_menu->AppendSeparator(); |
| 166 | file_menu->Append(TreeTest_Quit, "E&xit\tAlt-X"); |
| 167 | |
| 168 | #ifndef NO_MULTIPLE_SELECTION |
| 169 | tree_menu->Append(TreeTest_ToggleSel, "&Toggle selection mode"); |
| 170 | #endif // NO_MULTIPLE_SELECTION |
| 171 | tree_menu->Append(TreeTest_ToggleImages, "&Show images", "", TRUE); |
| 172 | tree_menu->Append(TreeTest_SetImageSize, "Set image si&ze..."); |
| 173 | tree_menu->Append(TreeTest_Recreate, "&Recreate the tree"); |
| 174 | tree_menu->Append(TreeTest_CollapseAndReset, "C&ollapse and reset"); |
| 175 | tree_menu->AppendSeparator(); |
| 176 | tree_menu->Append(TreeTest_AddItem, "Append a &new item"); |
| 177 | tree_menu->Append(TreeTest_InsertItem, "&Insert a new item"); |
| 178 | tree_menu->Append(TreeTest_Delete, "&Delete this item"); |
| 179 | tree_menu->Append(TreeTest_DeleteChildren, "Delete &children"); |
| 180 | tree_menu->Append(TreeTest_DeleteAll, "Delete &all items"); |
| 181 | tree_menu->AppendSeparator(); |
| 182 | tree_menu->Append(TreeTest_Count, "Count children of current item"); |
| 183 | tree_menu->Append(TreeTest_CountRec, "Recursively count children of current item"); |
| 184 | tree_menu->AppendSeparator(); |
| 185 | tree_menu->Append(TreeTest_Sort, "Sort children of current item"); |
| 186 | tree_menu->Append(TreeTest_SortRev, "Sort in reversed order"); |
| 187 | tree_menu->AppendSeparator(); |
| 188 | tree_menu->Append(TreeTest_EnsureVisible, "Make the last item &visible"); |
| 189 | tree_menu->AppendSeparator(); |
| 190 | tree_menu->Append(TreeTest_IncIndent, "Add 5 points to indentation\tAlt-I"); |
| 191 | tree_menu->Append(TreeTest_DecIndent, "Reduce indentation by 5 points\tAlt-R"); |
| 192 | tree_menu->AppendSeparator(); |
| 193 | tree_menu->Append(TreeTest_IncSpacing, "Add 5 points to spacing\tCtrl-I"); |
| 194 | tree_menu->Append(TreeTest_DecSpacing, "Reduce spacing by 5 points\tCtrl-R"); |
| 195 | |
| 196 | item_menu->Append(TreeTest_Dump, "&Dump item children"); |
| 197 | item_menu->Append(TreeTest_Rename, "&Rename item..."); |
| 198 | |
| 199 | item_menu->AppendSeparator(); |
| 200 | item_menu->Append(TreeTest_Bold, "Make item &bold"); |
| 201 | item_menu->Append(TreeTest_UnBold, "Make item ¬ bold"); |
| 202 | item_menu->AppendSeparator(); |
| 203 | item_menu->Append(TreeTest_ToggleIcon, "Toggle the items &icon"); |
| 204 | |
| 205 | #ifndef NO_MULTIPLE_SELECTION |
| 206 | item_menu->AppendSeparator(); |
| 207 | item_menu->Append(TreeTest_DumpSelected, "Dump selected items\tAlt-D"); |
| 208 | item_menu->Append(TreeTest_Select, "Select current item\tAlt-S"); |
| 209 | item_menu->Append(TreeTest_Unselect, "Unselect everything\tAlt-U"); |
| 210 | #endif // NO_MULTIPLE_SELECTION |
| 211 | |
| 212 | wxMenuBar *menu_bar = new wxMenuBar; |
| 213 | menu_bar->Append(file_menu, "&File"); |
| 214 | menu_bar->Append(tree_menu, "&Tree"); |
| 215 | menu_bar->Append(item_menu, "&Item"); |
| 216 | SetMenuBar(menu_bar); |
| 217 | |
| 218 | menu_bar->Check(TreeTest_ToggleImages, TRUE); |
| 219 | #endif // wxUSE_MENUS |
| 220 | |
| 221 | m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl, |
| 222 | wxDefaultPosition, wxDefaultSize, |
| 223 | wxTR_MAC_BUTTONS | wxTR_NO_LINES | |
| 224 | wxTR_EDIT_LABELS | |
| 225 | #ifndef NO_VARIABLE_HEIGHT |
| 226 | wxTR_HAS_VARIABLE_ROW_HEIGHT | |
| 227 | #endif |
| 228 | wxSUNKEN_BORDER); |
| 229 | |
| 230 | // m_treeCtrl->SetBackgroundColour( *wxLIGHT_GREY ); |
| 231 | |
| 232 | m_textCtrl = new wxTextCtrl(this, -1, "", |
| 233 | wxDefaultPosition, wxDefaultSize, |
| 234 | wxTE_MULTILINE | wxSUNKEN_BORDER); |
| 235 | |
| 236 | // create a status bar with 3 panes |
| 237 | CreateStatusBar(3); |
| 238 | SetStatusText("", 0); |
| 239 | |
| 240 | #ifdef __WXMOTIF__ |
| 241 | // For some reason, we get a memcpy crash in wxLogStream::DoLogStream |
| 242 | // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc? |
| 243 | delete wxLog::SetActiveTarget(new wxLogStderr); |
| 244 | #else |
| 245 | // set our text control as the log target |
| 246 | wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl); |
| 247 | delete wxLog::SetActiveTarget(logWindow); |
| 248 | #endif |
| 249 | } |
| 250 | |
| 251 | MyFrame::~MyFrame() |
| 252 | { |
| 253 | delete wxLog::SetActiveTarget(NULL); |
| 254 | } |
| 255 | |
| 256 | void MyFrame::OnSize(wxSizeEvent& event) |
| 257 | { |
| 258 | if ( m_treeCtrl && m_textCtrl ) |
| 259 | { |
| 260 | Resize(GetClientSize()); |
| 261 | } |
| 262 | |
| 263 | event.Skip(); |
| 264 | } |
| 265 | |
| 266 | void MyFrame::Resize(const wxSize& size) |
| 267 | { |
| 268 | m_treeCtrl->SetSize(0, 0, size.x, 2*size.y/3); |
| 269 | m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3); |
| 270 | } |
| 271 | |
| 272 | void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) |
| 273 | { |
| 274 | Close(TRUE); |
| 275 | } |
| 276 | |
| 277 | void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) |
| 278 | { |
| 279 | wxMessageBox("Tree test sample\n" |
| 280 | "(c) Julian Smart 1997, Vadim Zeitlin 1998", |
| 281 | "About tree test", |
| 282 | wxOK | wxICON_INFORMATION, this); |
| 283 | } |
| 284 | |
| 285 | void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event)) |
| 286 | { |
| 287 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 288 | |
| 289 | CHECK_ITEM( item ); |
| 290 | |
| 291 | // old code - now we edit in place |
| 292 | #if 0 |
| 293 | static wxString s_text; |
| 294 | s_text = wxGetTextFromUser("New name: ", "Tree sample question", |
| 295 | s_text, this); |
| 296 | if ( !s_text.IsEmpty() ) |
| 297 | { |
| 298 | m_treeCtrl->SetItemText(item, s_text); |
| 299 | } |
| 300 | #endif // 0 |
| 301 | |
| 302 | // TODO demonstrate creating a custom edit control... |
| 303 | (void)m_treeCtrl->EditLabel(item); |
| 304 | } |
| 305 | |
| 306 | void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event)) |
| 307 | { |
| 308 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 309 | |
| 310 | CHECK_ITEM( item ); |
| 311 | |
| 312 | int i = m_treeCtrl->GetChildrenCount( item, FALSE ); |
| 313 | |
| 314 | wxLogMessage(wxT("%d children"), i); |
| 315 | } |
| 316 | |
| 317 | void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event)) |
| 318 | { |
| 319 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 320 | |
| 321 | CHECK_ITEM( item ); |
| 322 | |
| 323 | int i = m_treeCtrl->GetChildrenCount( item ); |
| 324 | |
| 325 | wxLogMessage(wxT("%d children"), i); |
| 326 | } |
| 327 | |
| 328 | void MyFrame::DoSort(bool reverse) |
| 329 | { |
| 330 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 331 | |
| 332 | CHECK_ITEM( item ); |
| 333 | |
| 334 | m_treeCtrl->DoSortChildren(item, reverse); |
| 335 | } |
| 336 | |
| 337 | void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event)) |
| 338 | { |
| 339 | wxTreeItemId root = m_treeCtrl->GetSelection(); |
| 340 | |
| 341 | CHECK_ITEM( root ); |
| 342 | |
| 343 | m_treeCtrl->GetItemsRecursively(root, -1); |
| 344 | } |
| 345 | |
| 346 | #ifndef NO_MULTIPLE_SELECTION |
| 347 | |
| 348 | void MyFrame::OnToggleSel(wxCommandEvent& WXUNUSED(event)) |
| 349 | { |
| 350 | long style = m_treeCtrl->GetWindowStyle(); |
| 351 | if ( style & wxTR_MULTIPLE ) |
| 352 | style &= ~wxTR_MULTIPLE; |
| 353 | else |
| 354 | style |= wxTR_MULTIPLE; |
| 355 | |
| 356 | delete m_treeCtrl; |
| 357 | |
| 358 | m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl, |
| 359 | wxDefaultPosition, wxDefaultSize, |
| 360 | style); |
| 361 | Resize(GetClientSize()); |
| 362 | } |
| 363 | |
| 364 | void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event)) |
| 365 | { |
| 366 | wxArrayTreeItemIds array; |
| 367 | |
| 368 | size_t count = m_treeCtrl->GetSelections(array); |
| 369 | wxLogMessage(wxT("%u items selected"), count); |
| 370 | |
| 371 | for ( size_t n = 0; n < count; n++ ) |
| 372 | { |
| 373 | wxLogMessage("\t%s", m_treeCtrl->GetItemText(array.Item(n)).c_str()); |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | void MyFrame::OnSelect(wxCommandEvent& event) |
| 378 | { |
| 379 | m_treeCtrl->SelectItem(m_treeCtrl->GetSelection()); |
| 380 | } |
| 381 | |
| 382 | void MyFrame::OnUnselect(wxCommandEvent& event) |
| 383 | { |
| 384 | m_treeCtrl->UnselectAll(); |
| 385 | } |
| 386 | |
| 387 | #endif // NO_MULTIPLE_SELECTION |
| 388 | |
| 389 | void MyFrame::DoSetBold(bool bold) |
| 390 | { |
| 391 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 392 | |
| 393 | CHECK_ITEM( item ); |
| 394 | |
| 395 | m_treeCtrl->SetItemBold(item, bold); |
| 396 | } |
| 397 | |
| 398 | void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event)) |
| 399 | { |
| 400 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 401 | |
| 402 | CHECK_ITEM( item ); |
| 403 | |
| 404 | m_treeCtrl->Delete(item); |
| 405 | } |
| 406 | |
| 407 | void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event)) |
| 408 | { |
| 409 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 410 | |
| 411 | CHECK_ITEM( item ); |
| 412 | |
| 413 | m_treeCtrl->DeleteChildren(item); |
| 414 | } |
| 415 | |
| 416 | void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event)) |
| 417 | { |
| 418 | m_treeCtrl->DeleteAllItems(); |
| 419 | } |
| 420 | |
| 421 | void MyFrame::OnRecreate(wxCommandEvent& event) |
| 422 | { |
| 423 | OnDeleteAll(event); |
| 424 | m_treeCtrl->AddTestItemsToTree(3, 2); |
| 425 | } |
| 426 | |
| 427 | void MyFrame::OnSetImageSize(wxCommandEvent& event) |
| 428 | { |
| 429 | long size = wxGetNumberFromUser("Enter the size for the images to use", |
| 430 | "Size: ", |
| 431 | "TreeCtrl sample", |
| 432 | 16); |
| 433 | if ( size == -1 ) |
| 434 | return; |
| 435 | |
| 436 | m_treeCtrl->CreateImageList((int)size); |
| 437 | |
| 438 | OnRecreate(event); |
| 439 | } |
| 440 | |
| 441 | void MyFrame::OnToggleImages(wxCommandEvent& event) |
| 442 | { |
| 443 | if ( wxGetApp().ShowImages() ) |
| 444 | { |
| 445 | m_treeCtrl->CreateImageList(-1); |
| 446 | |
| 447 | wxGetApp().SetShowImages(FALSE); |
| 448 | } |
| 449 | else |
| 450 | { |
| 451 | m_treeCtrl->CreateImageList(); |
| 452 | |
| 453 | wxGetApp().SetShowImages(TRUE); |
| 454 | } |
| 455 | |
| 456 | OnRecreate(event); |
| 457 | } |
| 458 | |
| 459 | void MyFrame::OnCollapseAndReset(wxCommandEvent& event) |
| 460 | { |
| 461 | m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem()); |
| 462 | } |
| 463 | |
| 464 | void MyFrame::OnEnsureVisible(wxCommandEvent& event) |
| 465 | { |
| 466 | m_treeCtrl->DoEnsureVisible(); |
| 467 | } |
| 468 | |
| 469 | void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event)) |
| 470 | { |
| 471 | int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1; |
| 472 | m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, "2nd item"); |
| 473 | } |
| 474 | |
| 475 | void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event)) |
| 476 | { |
| 477 | static int s_num = 0; |
| 478 | |
| 479 | wxString text; |
| 480 | text.Printf("Item #%d", ++s_num); |
| 481 | |
| 482 | m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(), |
| 483 | text /*, |
| 484 | MyTreeCtrl::TreeCtrlIcon_File */ ); |
| 485 | } |
| 486 | |
| 487 | void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event)) |
| 488 | { |
| 489 | unsigned int indent = m_treeCtrl->GetIndent(); |
| 490 | if (indent < 100) |
| 491 | m_treeCtrl->SetIndent( indent+5 ); |
| 492 | } |
| 493 | |
| 494 | void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event)) |
| 495 | { |
| 496 | unsigned int indent = m_treeCtrl->GetIndent(); |
| 497 | if (indent > 10) |
| 498 | m_treeCtrl->SetIndent( indent-5 ); |
| 499 | } |
| 500 | |
| 501 | void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event)) |
| 502 | { |
| 503 | unsigned int indent = m_treeCtrl->GetSpacing(); |
| 504 | if (indent < 100) |
| 505 | m_treeCtrl->SetSpacing( indent+5 ); |
| 506 | } |
| 507 | |
| 508 | void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event)) |
| 509 | { |
| 510 | unsigned int indent = m_treeCtrl->GetSpacing(); |
| 511 | if (indent > 10) |
| 512 | m_treeCtrl->SetSpacing( indent-5 ); |
| 513 | } |
| 514 | |
| 515 | void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event)) |
| 516 | { |
| 517 | wxTreeItemId item = m_treeCtrl->GetSelection(); |
| 518 | |
| 519 | CHECK_ITEM( item ); |
| 520 | |
| 521 | m_treeCtrl->DoToggleIcon(item); |
| 522 | } |
| 523 | |
| 524 | // MyTreeCtrl implementation |
| 525 | #if USE_GENERIC_TREECTRL |
| 526 | IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl) |
| 527 | #else |
| 528 | IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl) |
| 529 | #endif |
| 530 | |
| 531 | MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id, |
| 532 | const wxPoint& pos, const wxSize& size, |
| 533 | long style) |
| 534 | : wxTreeCtrl(parent, id, pos, size, style) |
| 535 | { |
| 536 | m_reverseSort = FALSE; |
| 537 | m_imageListNormal = NULL; |
| 538 | |
| 539 | CreateImageList(); |
| 540 | |
| 541 | // Add some items to the tree |
| 542 | AddTestItemsToTree(3, 2); |
| 543 | } |
| 544 | |
| 545 | void MyTreeCtrl::CreateImageList(int size) |
| 546 | { |
| 547 | delete m_imageListNormal; |
| 548 | |
| 549 | if ( size == -1 ) |
| 550 | { |
| 551 | m_imageListNormal = NULL; |
| 552 | } |
| 553 | else |
| 554 | { |
| 555 | // Make an image list containing small icons |
| 556 | m_imageListNormal = new wxImageList(size, size, TRUE); |
| 557 | |
| 558 | // should correspond to TreeCtrlIcon_xxx enum |
| 559 | #if defined(__WXMSW__) && defined(__WIN16__) |
| 560 | m_imageListNormal->Add(wxBitmap("bitmap1", wxBITMAP_TYPE_BMP_RESOURCE)); |
| 561 | m_imageListNormal->Add(wxBitmap("bitmap2", wxBITMAP_TYPE_BMP_RESOURCE)); |
| 562 | m_imageListNormal->Add(wxBitmap("bitmap3", wxBITMAP_TYPE_BMP_RESOURCE)); |
| 563 | m_imageListNormal->Add(wxBitmap("bitmap4", wxBITMAP_TYPE_BMP_RESOURCE)); |
| 564 | m_imageListNormal->Add(wxBitmap("bitmap5", wxBITMAP_TYPE_BMP_RESOURCE)); |
| 565 | #else // !MSW |
| 566 | wxIcon icons[5]; |
| 567 | icons[0] = wxICON(icon1); |
| 568 | icons[1] = wxICON(icon2); |
| 569 | icons[2] = wxICON(icon3); |
| 570 | icons[3] = wxICON(icon4); |
| 571 | icons[4] = wxICON(icon5); |
| 572 | |
| 573 | int sizeOrig = icons[0].GetWidth(); |
| 574 | for ( size_t i = 0; i < WXSIZEOF(icons); i++ ) |
| 575 | { |
| 576 | if ( size == sizeOrig ) |
| 577 | { |
| 578 | m_imageListNormal->Add(icons[i]); |
| 579 | } |
| 580 | else |
| 581 | { |
| 582 | m_imageListNormal->Add(wxImage(icons[i]).Rescale(size, size). |
| 583 | ConvertToBitmap()); |
| 584 | } |
| 585 | } |
| 586 | #endif // MSW/!MSW |
| 587 | } |
| 588 | |
| 589 | SetImageList(m_imageListNormal); |
| 590 | } |
| 591 | |
| 592 | MyTreeCtrl::~MyTreeCtrl() |
| 593 | { |
| 594 | delete m_imageListNormal; |
| 595 | } |
| 596 | |
| 597 | int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1, |
| 598 | const wxTreeItemId& item2) |
| 599 | { |
| 600 | if ( m_reverseSort ) |
| 601 | { |
| 602 | // just exchange 1st and 2nd items |
| 603 | return wxTreeCtrl::OnCompareItems(item2, item1); |
| 604 | } |
| 605 | else |
| 606 | { |
| 607 | return wxTreeCtrl::OnCompareItems(item1, item2); |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent, |
| 612 | size_t numChildren, |
| 613 | size_t depth, |
| 614 | size_t folder) |
| 615 | { |
| 616 | if ( depth > 0 ) |
| 617 | { |
| 618 | bool hasChildren = depth > 1; |
| 619 | |
| 620 | wxString str; |
| 621 | for ( size_t n = 0; n < numChildren; n++ ) |
| 622 | { |
| 623 | // at depth 1 elements won't have any more children |
| 624 | if ( hasChildren ) |
| 625 | str.Printf("%s child %d", "Folder", n + 1); |
| 626 | else |
| 627 | str.Printf("%s child %d.%d", "File", folder, n + 1); |
| 628 | |
| 629 | // here we pass to AppendItem() normal and selected item images (we |
| 630 | // suppose that selected image follows the normal one in the enum) |
| 631 | int image, imageSel; |
| 632 | if ( wxGetApp().ShowImages() ) |
| 633 | { |
| 634 | image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder; |
| 635 | imageSel = image + 1; |
| 636 | } |
| 637 | else |
| 638 | { |
| 639 | image = imageSel = -1; |
| 640 | } |
| 641 | wxTreeItemId id = AppendItem(idParent, str, image, imageSel, |
| 642 | new MyTreeItemData(str)); |
| 643 | |
| 644 | // and now we also set the expanded one (only for the folders) |
| 645 | if ( hasChildren && wxGetApp().ShowImages() ) |
| 646 | { |
| 647 | SetItemImage(id, TreeCtrlIcon_FolderOpened, |
| 648 | wxTreeItemIcon_Expanded); |
| 649 | } |
| 650 | |
| 651 | // remember the last child for OnEnsureVisible() |
| 652 | if ( !hasChildren && n == numChildren - 1 ) |
| 653 | { |
| 654 | m_lastItem = id; |
| 655 | } |
| 656 | |
| 657 | AddItemsRecursively(id, numChildren, depth - 1, n + 1); |
| 658 | } |
| 659 | } |
| 660 | //else: done! |
| 661 | } |
| 662 | |
| 663 | void MyTreeCtrl::AddTestItemsToTree(size_t numChildren, |
| 664 | size_t depth) |
| 665 | { |
| 666 | int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1; |
| 667 | wxTreeItemId rootId = AddRoot("Root", |
| 668 | image, image, |
| 669 | new MyTreeItemData("Root item")); |
| 670 | if ( image != -1 ) |
| 671 | { |
| 672 | SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded); |
| 673 | } |
| 674 | |
| 675 | AddItemsRecursively(rootId, numChildren, depth, 0); |
| 676 | |
| 677 | // set some colours/fonts for testing |
| 678 | SetItemFont(rootId, *wxITALIC_FONT); |
| 679 | |
| 680 | long cookie; |
| 681 | wxTreeItemId id = GetFirstChild(rootId, cookie); |
| 682 | SetItemTextColour(id, *wxBLUE); |
| 683 | |
| 684 | id = GetNextChild(rootId, cookie); |
| 685 | id = GetNextChild(rootId, cookie); |
| 686 | SetItemTextColour(id, *wxRED); |
| 687 | SetItemBackgroundColour(id, *wxLIGHT_GREY); |
| 688 | } |
| 689 | |
| 690 | void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent, long cookie) |
| 691 | { |
| 692 | wxTreeItemId id; |
| 693 | |
| 694 | if( cookie == -1 ) |
| 695 | id = GetFirstChild(idParent, cookie); |
| 696 | else |
| 697 | id = GetNextChild(idParent, cookie); |
| 698 | |
| 699 | if(id <= 0) |
| 700 | return; |
| 701 | |
| 702 | wxString text = GetItemText(id); |
| 703 | wxLogMessage(text); |
| 704 | |
| 705 | if (ItemHasChildren(id)) |
| 706 | GetItemsRecursively(id,-1); |
| 707 | |
| 708 | GetItemsRecursively(idParent, cookie); |
| 709 | } |
| 710 | |
| 711 | void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item) |
| 712 | { |
| 713 | int image = GetItemImage(item) == TreeCtrlIcon_Folder ? TreeCtrlIcon_File |
| 714 | : TreeCtrlIcon_Folder; |
| 715 | |
| 716 | SetItemImage(item, image); |
| 717 | } |
| 718 | |
| 719 | |
| 720 | // avoid repetition |
| 721 | #define TREE_EVENT_HANDLER(name) \ |
| 722 | void MyTreeCtrl::name(wxTreeEvent& event) \ |
| 723 | { \ |
| 724 | wxLogMessage(#name); \ |
| 725 | event.Skip(); \ |
| 726 | } |
| 727 | |
| 728 | TREE_EVENT_HANDLER(OnBeginRDrag) |
| 729 | TREE_EVENT_HANDLER(OnDeleteItem) |
| 730 | TREE_EVENT_HANDLER(OnGetInfo) |
| 731 | TREE_EVENT_HANDLER(OnSetInfo) |
| 732 | TREE_EVENT_HANDLER(OnItemExpanded) |
| 733 | TREE_EVENT_HANDLER(OnItemExpanding) |
| 734 | TREE_EVENT_HANDLER(OnItemCollapsed) |
| 735 | TREE_EVENT_HANDLER(OnSelChanged) |
| 736 | TREE_EVENT_HANDLER(OnSelChanging) |
| 737 | TREE_EVENT_HANDLER(OnTreeKeyDown) |
| 738 | |
| 739 | #undef TREE_EVENT_HANDLER |
| 740 | |
| 741 | void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event) |
| 742 | { |
| 743 | // need to explicitly allow drag |
| 744 | if ( event.GetItem() != GetRootItem() ) |
| 745 | { |
| 746 | m_draggedItem = event.GetItem(); |
| 747 | |
| 748 | wxLogMessage("OnBeginDrag: started dragging %s", |
| 749 | GetItemText(m_draggedItem).c_str()); |
| 750 | |
| 751 | event.Allow(); |
| 752 | } |
| 753 | else |
| 754 | { |
| 755 | wxLogMessage("OnBeginDrag: this item can't be dragged."); |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | void MyTreeCtrl::OnEndDrag(wxTreeEvent& event) |
| 760 | { |
| 761 | wxTreeItemId itemSrc = m_draggedItem, |
| 762 | itemDst = event.GetItem(); |
| 763 | m_draggedItem = (wxTreeItemId)0l; |
| 764 | |
| 765 | // where to copy the item? |
| 766 | if ( itemDst.IsOk() && !ItemHasChildren(itemDst) ) |
| 767 | { |
| 768 | // copy to the parent then |
| 769 | itemDst = GetParent(itemDst); |
| 770 | } |
| 771 | |
| 772 | if ( !itemDst.IsOk() ) |
| 773 | { |
| 774 | wxLogMessage("OnEndDrag: can't drop here."); |
| 775 | |
| 776 | return; |
| 777 | } |
| 778 | |
| 779 | wxString text = GetItemText(itemSrc); |
| 780 | wxLogMessage("OnEndDrag: '%s' copied to '%s'.", |
| 781 | text.c_str(), GetItemText(itemDst).c_str()); |
| 782 | |
| 783 | // just do append here - we could also insert it just before/after the item |
| 784 | // on which it was dropped, but this requires slightly more work... we also |
| 785 | // completely ignore the client data and icon of the old item but could |
| 786 | // copy them as well. |
| 787 | // |
| 788 | // Finally, we only copy one item here but we might copy the entire tree if |
| 789 | // we were dragging a folder. |
| 790 | int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1; |
| 791 | AppendItem(itemDst, text, image); |
| 792 | } |
| 793 | |
| 794 | void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event) |
| 795 | { |
| 796 | wxLogMessage("OnBeginLabelEdit"); |
| 797 | |
| 798 | // for testing, prevent this items label editing |
| 799 | wxTreeItemId itemId = event.GetItem(); |
| 800 | if ( IsTestItem(itemId) ) |
| 801 | { |
| 802 | wxMessageBox("You can't edit this item."); |
| 803 | |
| 804 | event.Veto(); |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event) |
| 809 | { |
| 810 | wxLogMessage("OnEndLabelEdit"); |
| 811 | |
| 812 | // don't allow anything except letters in the labels |
| 813 | if ( !event.GetLabel().IsWord() ) |
| 814 | { |
| 815 | wxMessageBox("The label should contain only letters."); |
| 816 | |
| 817 | event.Veto(); |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event) |
| 822 | { |
| 823 | wxLogMessage("OnItemCollapsing"); |
| 824 | |
| 825 | // for testing, prevent the user from collapsing the first child folder |
| 826 | wxTreeItemId itemId = event.GetItem(); |
| 827 | if ( IsTestItem(itemId) ) |
| 828 | { |
| 829 | wxMessageBox("You can't collapse this item."); |
| 830 | |
| 831 | event.Veto(); |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | void MyTreeCtrl::OnItemActivated(wxTreeEvent& event) |
| 836 | { |
| 837 | // show some info about this item |
| 838 | wxTreeItemId itemId = event.GetItem(); |
| 839 | MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId); |
| 840 | |
| 841 | if ( item != NULL ) |
| 842 | { |
| 843 | item->ShowInfo(this); |
| 844 | } |
| 845 | |
| 846 | wxLogMessage("OnItemActivated"); |
| 847 | } |
| 848 | |
| 849 | void MyTreeCtrl::OnItemRightClick(wxTreeEvent& event) |
| 850 | { |
| 851 | ShowMenu(event.GetItem(), event.GetPoint()); |
| 852 | } |
| 853 | |
| 854 | void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event) |
| 855 | { |
| 856 | wxPoint pt = event.GetPosition(); |
| 857 | ShowMenu(HitTest(pt), pt); |
| 858 | } |
| 859 | |
| 860 | void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt) |
| 861 | { |
| 862 | wxString title; |
| 863 | if ( id.IsOk() ) |
| 864 | { |
| 865 | title << _T("Menu for ") << GetItemText(id); |
| 866 | } |
| 867 | else |
| 868 | { |
| 869 | title = _T("Menu for no particular item"); |
| 870 | } |
| 871 | |
| 872 | #if wxUSE_MENUS |
| 873 | wxMenu menu(title); |
| 874 | menu.Append(TreeTest_About, _T("&About...")); |
| 875 | menu.Append(TreeTest_Dump, _T("&Dump")); |
| 876 | |
| 877 | PopupMenu(&menu, pt); |
| 878 | #endif // wxUSE_MENUS |
| 879 | } |
| 880 | |
| 881 | void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event) |
| 882 | { |
| 883 | wxTreeItemId id = HitTest(event.GetPosition()); |
| 884 | if ( !id ) |
| 885 | wxLogMessage("No item under mouse"); |
| 886 | else |
| 887 | { |
| 888 | MyTreeItemData *item = (MyTreeItemData *)GetItemData(id); |
| 889 | if ( item ) |
| 890 | wxLogMessage("Item '%s' under mouse", item->GetDesc()); |
| 891 | } |
| 892 | } |
| 893 | |
| 894 | static inline const char *Bool2String(bool b) |
| 895 | { |
| 896 | return b ? "" : "not "; |
| 897 | } |
| 898 | |
| 899 | void MyTreeItemData::ShowInfo(wxTreeCtrl *tree) |
| 900 | { |
| 901 | wxLogMessage("Item '%s': %sselected, %sexpanded, %sbold,\n" |
| 902 | "%u children (%u immediately under this item).", |
| 903 | m_desc.c_str(), |
| 904 | Bool2String(tree->IsSelected(GetId())), |
| 905 | Bool2String(tree->IsExpanded(GetId())), |
| 906 | Bool2String(tree->IsBold(GetId())), |
| 907 | tree->GetChildrenCount(GetId()), |
| 908 | tree->GetChildrenCount(GetId(), FALSE)); |
| 909 | } |