| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: menu.cpp |
| 3 | // Purpose: wxMenu, wxMenuBar, wxMenuItem |
| 4 | // Author: AUTHOR |
| 5 | // Modified by: |
| 6 | // Created: ??/??/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) AUTHOR |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | |
| 13 | // ============================================================================ |
| 14 | // headers & declarations |
| 15 | // ============================================================================ |
| 16 | |
| 17 | // wxWindows headers |
| 18 | // ----------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "menu.h" |
| 22 | #pragma implementation "menuitem.h" |
| 23 | #endif |
| 24 | |
| 25 | #include "wx/menu.h" |
| 26 | #include "wx/menuitem.h" |
| 27 | #include "wx/log.h" |
| 28 | #include "wx/utils.h" |
| 29 | |
| 30 | // other standard headers |
| 31 | // ---------------------- |
| 32 | #include <string.h> |
| 33 | |
| 34 | IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler) |
| 35 | IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler) |
| 36 | |
| 37 | // ============================================================================ |
| 38 | // implementation |
| 39 | // ============================================================================ |
| 40 | |
| 41 | // Menus |
| 42 | |
| 43 | // Construct a menu with optional title (then use append) |
| 44 | wxMenu::wxMenu(const wxString& title, const wxFunction func) |
| 45 | { |
| 46 | m_title = title; |
| 47 | m_parent = NULL; |
| 48 | m_eventHandler = this; |
| 49 | m_noItems = 0; |
| 50 | m_menuBar = NULL; |
| 51 | m_clientData = (void*) NULL; |
| 52 | if (m_title != "") |
| 53 | { |
| 54 | Append(-2, m_title) ; |
| 55 | AppendSeparator() ; |
| 56 | } |
| 57 | |
| 58 | Callback(func); |
| 59 | |
| 60 | // TODO create menu |
| 61 | } |
| 62 | |
| 63 | // The wxWindow destructor will take care of deleting the submenus. |
| 64 | wxMenu::~wxMenu() |
| 65 | { |
| 66 | // TODO destroy menu and children |
| 67 | |
| 68 | wxNode *node = m_menuItems.First(); |
| 69 | while (node) |
| 70 | { |
| 71 | wxMenuItem *item = (wxMenuItem *)node->Data(); |
| 72 | |
| 73 | // Delete child menus. |
| 74 | // Beware: they must not be appended to children list!!! |
| 75 | // (because order of delete is significant) |
| 76 | if (item->GetSubMenu()) |
| 77 | item->DeleteSubMenu(); |
| 78 | |
| 79 | wxNode *next = node->Next(); |
| 80 | delete item; |
| 81 | delete node; |
| 82 | node = next; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | void wxMenu::Break() |
| 87 | { |
| 88 | // TODO |
| 89 | } |
| 90 | |
| 91 | // function appends a new item or submenu to the menu |
| 92 | void wxMenu::Append(wxMenuItem *pItem) |
| 93 | { |
| 94 | // TODO |
| 95 | |
| 96 | wxCHECK_RET( pItem != NULL, "can't append NULL item to the menu" ); |
| 97 | |
| 98 | m_menuItems.Append(pItem); |
| 99 | |
| 100 | m_noItems++; |
| 101 | } |
| 102 | |
| 103 | void wxMenu::AppendSeparator() |
| 104 | { |
| 105 | // TODO |
| 106 | Append(new wxMenuItem(this, ID_SEPARATOR)); |
| 107 | } |
| 108 | |
| 109 | // Pullright item |
| 110 | void wxMenu::Append(int Id, const wxString& label, wxMenu *SubMenu, |
| 111 | const wxString& helpString) |
| 112 | { |
| 113 | Append(new wxMenuItem(this, Id, label, helpString, FALSE, SubMenu)); |
| 114 | } |
| 115 | |
| 116 | // Ordinary menu item |
| 117 | void wxMenu::Append(int Id, const wxString& label, |
| 118 | const wxString& helpString, bool checkable) |
| 119 | { |
| 120 | // 'checkable' parameter is useless for Windows. |
| 121 | Append(new wxMenuItem(this, Id, label, helpString, checkable)); |
| 122 | } |
| 123 | |
| 124 | void wxMenu::Delete(int id) |
| 125 | { |
| 126 | wxNode *node; |
| 127 | wxMenuItem *item; |
| 128 | int pos; |
| 129 | |
| 130 | for (pos = 0, node = m_menuItems.First(); node; node = node->Next(), pos++) { |
| 131 | item = (wxMenuItem *)node->Data(); |
| 132 | if (item->GetId() == id) |
| 133 | break; |
| 134 | } |
| 135 | |
| 136 | if (!node) |
| 137 | return; |
| 138 | |
| 139 | m_menuItems.DeleteNode(node); |
| 140 | delete item; |
| 141 | |
| 142 | // TODO |
| 143 | } |
| 144 | |
| 145 | void wxMenu::Enable(int Id, bool Flag) |
| 146 | { |
| 147 | wxMenuItem *item = FindItemForId(Id); |
| 148 | wxCHECK_RET( item != NULL, "can't enable non-existing menu item" ); |
| 149 | |
| 150 | item->Enable(Flag); |
| 151 | } |
| 152 | |
| 153 | bool wxMenu::Enabled(int Id) const |
| 154 | { |
| 155 | wxMenuItem *item = FindItemForId(Id); |
| 156 | wxCHECK( item != NULL, FALSE ); |
| 157 | |
| 158 | return item->IsEnabled(); |
| 159 | } |
| 160 | |
| 161 | void wxMenu::Check(int Id, bool Flag) |
| 162 | { |
| 163 | wxMenuItem *item = FindItemForId(Id); |
| 164 | wxCHECK_RET( item != NULL, "can't get status of non-existing menu item" ); |
| 165 | |
| 166 | item->Check(Flag); |
| 167 | } |
| 168 | |
| 169 | bool wxMenu::Checked(int Id) const |
| 170 | { |
| 171 | wxMenuItem *item = FindItemForId(Id); |
| 172 | wxCHECK( item != NULL, FALSE ); |
| 173 | |
| 174 | return item->IsChecked(); |
| 175 | } |
| 176 | |
| 177 | void wxMenu::SetTitle(const wxString& label) |
| 178 | { |
| 179 | m_title = label ; |
| 180 | // TODO |
| 181 | } |
| 182 | |
| 183 | const wxString wxMenu::GetTitle() const |
| 184 | { |
| 185 | return m_title; |
| 186 | } |
| 187 | |
| 188 | void wxMenu::SetLabel(int id, const wxString& label) |
| 189 | { |
| 190 | wxMenuItem *item = FindItemForId(id) ; |
| 191 | if (item==NULL) |
| 192 | return; |
| 193 | |
| 194 | if (item->GetSubMenu()==NULL) |
| 195 | { |
| 196 | // TODO |
| 197 | } |
| 198 | else |
| 199 | { |
| 200 | // TODO |
| 201 | } |
| 202 | item->SetName(label); |
| 203 | } |
| 204 | |
| 205 | wxString wxMenu::GetLabel(int Id) const |
| 206 | { |
| 207 | // TODO |
| 208 | return wxString("") ; |
| 209 | } |
| 210 | |
| 211 | // Finds the item id matching the given string, -1 if not found. |
| 212 | int wxMenu::FindItem (const wxString& itemString) const |
| 213 | { |
| 214 | char buf1[200]; |
| 215 | char buf2[200]; |
| 216 | wxStripMenuCodes ((char *)(const char *)itemString, buf1); |
| 217 | |
| 218 | for (wxNode * node = m_menuItems.First (); node; node = node->Next ()) |
| 219 | { |
| 220 | wxMenuItem *item = (wxMenuItem *) node->Data (); |
| 221 | if (item->GetSubMenu()) |
| 222 | { |
| 223 | int ans = item->GetSubMenu()->FindItem(itemString); |
| 224 | if (ans > -1) |
| 225 | return ans; |
| 226 | } |
| 227 | if ( !item->IsSeparator() ) |
| 228 | { |
| 229 | wxStripMenuCodes((char *)item->GetName().c_str(), buf2); |
| 230 | if (strcmp(buf1, buf2) == 0) |
| 231 | return item->GetId(); |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | return -1; |
| 236 | } |
| 237 | |
| 238 | wxMenuItem *wxMenu::FindItemForId(int itemId, wxMenu ** itemMenu) const |
| 239 | { |
| 240 | if (itemMenu) |
| 241 | *itemMenu = NULL; |
| 242 | for (wxNode * node = m_menuItems.First (); node; node = node->Next ()) |
| 243 | { |
| 244 | wxMenuItem *item = (wxMenuItem *) node->Data (); |
| 245 | |
| 246 | if (item->GetId() == itemId) |
| 247 | { |
| 248 | if (itemMenu) |
| 249 | *itemMenu = (wxMenu *) this; |
| 250 | return item; |
| 251 | } |
| 252 | |
| 253 | if (item->GetSubMenu()) |
| 254 | { |
| 255 | wxMenuItem *ans = item->GetSubMenu()->FindItemForId (itemId, itemMenu); |
| 256 | if (ans) |
| 257 | return ans; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | if (itemMenu) |
| 262 | *itemMenu = NULL; |
| 263 | return NULL; |
| 264 | } |
| 265 | |
| 266 | void wxMenu::SetHelpString(int itemId, const wxString& helpString) |
| 267 | { |
| 268 | wxMenuItem *item = FindItemForId (itemId); |
| 269 | if (item) |
| 270 | item->SetHelp(helpString); |
| 271 | } |
| 272 | |
| 273 | wxString wxMenu::GetHelpString (int itemId) const |
| 274 | { |
| 275 | wxMenuItem *item = FindItemForId (itemId); |
| 276 | wxString str(""); |
| 277 | return (item == NULL) ? str : item->GetHelp(); |
| 278 | } |
| 279 | |
| 280 | void wxMenu::ProcessCommand(wxCommandEvent & event) |
| 281 | { |
| 282 | bool processed = FALSE; |
| 283 | |
| 284 | // Try a callback |
| 285 | if (m_callback) |
| 286 | { |
| 287 | (void) (*(m_callback)) (*this, event); |
| 288 | processed = TRUE; |
| 289 | } |
| 290 | |
| 291 | // Try the menu's event handler |
| 292 | if ( !processed && GetEventHandler()) |
| 293 | { |
| 294 | processed = GetEventHandler()->ProcessEvent(event); |
| 295 | } |
| 296 | /* TODO |
| 297 | // Try the window the menu was popped up from (and up |
| 298 | // through the hierarchy) |
| 299 | if ( !processed && GetInvokingWindow()) |
| 300 | processed = GetInvokingWindow()->ProcessEvent(event); |
| 301 | */ |
| 302 | } |
| 303 | |
| 304 | // Update a menu and all submenus recursively. |
| 305 | // source is the object that has the update event handlers |
| 306 | // defined for it. If NULL, the menu or associated window |
| 307 | // will be used. |
| 308 | void wxMenu::UpdateUI(wxEvtHandler* source) |
| 309 | { |
| 310 | if (!source && GetInvokingWindow()) |
| 311 | source = GetInvokingWindow()->GetEventHandler(); |
| 312 | if (!source) |
| 313 | source = GetEventHandler(); |
| 314 | if (!source) |
| 315 | source = this; |
| 316 | |
| 317 | wxNode* node = GetItems().First(); |
| 318 | while (node) |
| 319 | { |
| 320 | wxMenuItem* item = (wxMenuItem*) node->Data(); |
| 321 | if ( !item->IsSeparator() ) |
| 322 | { |
| 323 | wxWindowID id = item->GetId(); |
| 324 | wxUpdateUIEvent event(id); |
| 325 | event.SetEventObject( source ); |
| 326 | |
| 327 | if (source->ProcessEvent(event)) |
| 328 | { |
| 329 | if (event.GetSetText()) |
| 330 | SetLabel(id, event.GetText()); |
| 331 | if (event.GetSetChecked()) |
| 332 | Check(id, event.GetChecked()); |
| 333 | if (event.GetSetEnabled()) |
| 334 | Enable(id, event.GetEnabled()); |
| 335 | } |
| 336 | |
| 337 | if (item->GetSubMenu()) |
| 338 | item->GetSubMenu()->UpdateUI(source); |
| 339 | } |
| 340 | node = node->Next(); |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | bool wxWindow::PopupMenu(wxMenu *menu, int x, int y) |
| 345 | { |
| 346 | menu->SetInvokingWindow(this); |
| 347 | menu->UpdateUI(); |
| 348 | |
| 349 | // TODO |
| 350 | return FALSE; |
| 351 | } |
| 352 | |
| 353 | // Menu Bar |
| 354 | wxMenuBar::wxMenuBar() |
| 355 | { |
| 356 | m_eventHandler = this; |
| 357 | m_menuCount = 0; |
| 358 | m_menus = NULL; |
| 359 | m_titles = NULL; |
| 360 | m_menuBarFrame = NULL; |
| 361 | |
| 362 | // TODO |
| 363 | } |
| 364 | |
| 365 | wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxString titles[]) |
| 366 | { |
| 367 | m_eventHandler = this; |
| 368 | m_menuCount = n; |
| 369 | m_menus = menus; |
| 370 | m_titles = new wxString[n]; |
| 371 | int i; |
| 372 | for ( i = 0; i < n; i++ ) |
| 373 | m_titles[i] = titles[i]; |
| 374 | m_menuBarFrame = NULL; |
| 375 | |
| 376 | // TODO |
| 377 | } |
| 378 | |
| 379 | wxMenuBar::~wxMenuBar() |
| 380 | { |
| 381 | int i; |
| 382 | for (i = 0; i < m_menuCount; i++) |
| 383 | { |
| 384 | delete m_menus[i]; |
| 385 | } |
| 386 | delete[] m_menus; |
| 387 | delete[] m_titles; |
| 388 | |
| 389 | // TODO |
| 390 | } |
| 391 | |
| 392 | // Must only be used AFTER menu has been attached to frame, |
| 393 | // otherwise use individual menus to enable/disable items |
| 394 | void wxMenuBar::Enable(int id, bool flag) |
| 395 | { |
| 396 | wxMenu *itemMenu = NULL; |
| 397 | wxMenuItem *item = FindItemForId(id, &itemMenu) ; |
| 398 | if (!item) |
| 399 | return; |
| 400 | |
| 401 | // TODO |
| 402 | } |
| 403 | |
| 404 | void wxMenuBar::EnableTop(int pos, bool flag) |
| 405 | { |
| 406 | // TODO |
| 407 | } |
| 408 | |
| 409 | // Must only be used AFTER menu has been attached to frame, |
| 410 | // otherwise use individual menus |
| 411 | void wxMenuBar::Check(int id, bool flag) |
| 412 | { |
| 413 | wxMenu *itemMenu = NULL; |
| 414 | wxMenuItem *item = FindItemForId(id, &itemMenu) ; |
| 415 | if (!item) |
| 416 | return; |
| 417 | |
| 418 | if (!item->IsCheckable()) |
| 419 | return ; |
| 420 | |
| 421 | // TODO |
| 422 | } |
| 423 | |
| 424 | bool wxMenuBar::Checked(int id) const |
| 425 | { |
| 426 | wxMenu *itemMenu = NULL; |
| 427 | wxMenuItem *item = FindItemForId(id, &itemMenu) ; |
| 428 | if (!item) |
| 429 | return FALSE; |
| 430 | |
| 431 | // TODO |
| 432 | return FALSE; |
| 433 | } |
| 434 | |
| 435 | bool wxMenuBar::Enabled(int id) const |
| 436 | { |
| 437 | wxMenu *itemMenu = NULL; |
| 438 | wxMenuItem *item = FindItemForId(id, &itemMenu) ; |
| 439 | if (!item) |
| 440 | return FALSE; |
| 441 | |
| 442 | // TODO |
| 443 | return FALSE ; |
| 444 | } |
| 445 | |
| 446 | |
| 447 | void wxMenuBar::SetLabel(int id, const wxString& label) |
| 448 | { |
| 449 | wxMenu *itemMenu = NULL; |
| 450 | wxMenuItem *item = FindItemForId(id, &itemMenu) ; |
| 451 | |
| 452 | if (!item) |
| 453 | return; |
| 454 | |
| 455 | // TODO |
| 456 | } |
| 457 | |
| 458 | wxString wxMenuBar::GetLabel(int id) const |
| 459 | { |
| 460 | wxMenu *itemMenu = NULL; |
| 461 | wxMenuItem *item = FindItemForId(id, &itemMenu) ; |
| 462 | |
| 463 | if (!item) |
| 464 | return wxString(""); |
| 465 | |
| 466 | // TODO |
| 467 | return wxString("") ; |
| 468 | } |
| 469 | |
| 470 | void wxMenuBar::SetLabelTop(int pos, const wxString& label) |
| 471 | { |
| 472 | // TODO |
| 473 | } |
| 474 | |
| 475 | wxString wxMenuBar::GetLabelTop(int pos) const |
| 476 | { |
| 477 | // TODO |
| 478 | return wxString(""); |
| 479 | } |
| 480 | |
| 481 | bool wxMenuBar::OnDelete(wxMenu *a_menu, int pos) |
| 482 | { |
| 483 | // TODO |
| 484 | return FALSE; |
| 485 | } |
| 486 | |
| 487 | bool wxMenuBar::OnAppend(wxMenu *a_menu, const char *title) |
| 488 | { |
| 489 | // TODO |
| 490 | return FALSE; |
| 491 | } |
| 492 | |
| 493 | void wxMenuBar::Append (wxMenu * menu, const wxString& title) |
| 494 | { |
| 495 | if (!OnAppend(menu, title)) |
| 496 | return; |
| 497 | |
| 498 | m_menuCount ++; |
| 499 | wxMenu **new_menus = new wxMenu *[m_menuCount]; |
| 500 | wxString *new_titles = new wxString[m_menuCount]; |
| 501 | int i; |
| 502 | |
| 503 | for (i = 0; i < m_menuCount - 1; i++) |
| 504 | { |
| 505 | new_menus[i] = m_menus[i]; |
| 506 | m_menus[i] = NULL; |
| 507 | new_titles[i] = m_titles[i]; |
| 508 | m_titles[i] = ""; |
| 509 | } |
| 510 | if (m_menus) |
| 511 | { |
| 512 | delete[]m_menus; |
| 513 | delete[]m_titles; |
| 514 | } |
| 515 | m_menus = new_menus; |
| 516 | m_titles = new_titles; |
| 517 | |
| 518 | m_menus[m_menuCount - 1] = (wxMenu *)menu; |
| 519 | m_titles[m_menuCount - 1] = title; |
| 520 | |
| 521 | // TODO |
| 522 | } |
| 523 | |
| 524 | void wxMenuBar::Delete(wxMenu * menu, int i) |
| 525 | { |
| 526 | int j; |
| 527 | int ii = (int) i; |
| 528 | |
| 529 | if (menu != 0) |
| 530 | { |
| 531 | for (ii = 0; ii < m_menuCount; ii++) |
| 532 | { |
| 533 | if (m_menus[ii] == menu) |
| 534 | break; |
| 535 | } |
| 536 | if (ii >= m_menuCount) |
| 537 | return; |
| 538 | } else |
| 539 | { |
| 540 | if (ii < 0 || ii >= m_menuCount) |
| 541 | return; |
| 542 | menu = m_menus[ii]; |
| 543 | } |
| 544 | |
| 545 | if (!OnDelete(menu, ii)) |
| 546 | return; |
| 547 | |
| 548 | menu->SetParent(NULL); |
| 549 | |
| 550 | -- m_menuCount; |
| 551 | for (j = ii; j < m_menuCount; j++) |
| 552 | { |
| 553 | m_menus[j] = m_menus[j + 1]; |
| 554 | m_titles[j] = m_titles[j + 1]; |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | // Find the menu menuString, item itemString, and return the item id. |
| 559 | // Returns -1 if none found. |
| 560 | int wxMenuBar::FindMenuItem (const wxString& menuString, const wxString& itemString) const |
| 561 | { |
| 562 | char buf1[200]; |
| 563 | char buf2[200]; |
| 564 | wxStripMenuCodes ((char *)(const char *)menuString, buf1); |
| 565 | int i; |
| 566 | for (i = 0; i < m_menuCount; i++) |
| 567 | { |
| 568 | wxStripMenuCodes ((char *)(const char *)m_titles[i], buf2); |
| 569 | if (strcmp (buf1, buf2) == 0) |
| 570 | return m_menus[i]->FindItem (itemString); |
| 571 | } |
| 572 | return -1; |
| 573 | } |
| 574 | |
| 575 | wxMenuItem *wxMenuBar::FindItemForId (int Id, wxMenu ** itemMenu) const |
| 576 | { |
| 577 | if (itemMenu) |
| 578 | *itemMenu = NULL; |
| 579 | |
| 580 | wxMenuItem *item = NULL; |
| 581 | int i; |
| 582 | for (i = 0; i < m_menuCount; i++) |
| 583 | if ((item = m_menus[i]->FindItemForId (Id, itemMenu))) |
| 584 | return item; |
| 585 | return NULL; |
| 586 | } |
| 587 | |
| 588 | void wxMenuBar::SetHelpString (int Id, const wxString& helpString) |
| 589 | { |
| 590 | int i; |
| 591 | for (i = 0; i < m_menuCount; i++) |
| 592 | { |
| 593 | if (m_menus[i]->FindItemForId (Id)) |
| 594 | { |
| 595 | m_menus[i]->SetHelpString (Id, helpString); |
| 596 | return; |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | wxString wxMenuBar::GetHelpString (int Id) const |
| 602 | { |
| 603 | int i; |
| 604 | for (i = 0; i < m_menuCount; i++) |
| 605 | { |
| 606 | if (m_menus[i]->FindItemForId (Id)) |
| 607 | return wxString(m_menus[i]->GetHelpString (Id)); |
| 608 | } |
| 609 | return wxString(""); |
| 610 | } |
| 611 | |
| 612 | |