| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: menu.cpp |
| 3 | // Purpose: wxMenu, wxMenuBar, wxMenuItem |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: Vadim Zeitlin |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "menu.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #if wxUSE_MENUS |
| 32 | |
| 33 | #ifndef WX_PRECOMP |
| 34 | #include "wx/frame.h" |
| 35 | #include "wx/menu.h" |
| 36 | #include "wx/utils.h" |
| 37 | #include "wx/intl.h" |
| 38 | #include "wx/log.h" |
| 39 | #endif |
| 40 | |
| 41 | #if wxUSE_OWNER_DRAWN |
| 42 | #include "wx/ownerdrw.h" |
| 43 | #endif |
| 44 | |
| 45 | #include "wx/msw/private.h" |
| 46 | |
| 47 | // other standard headers |
| 48 | #include <string.h> |
| 49 | |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | // global variables |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | |
| 54 | extern wxMenu *wxCurrentPopupMenu; |
| 55 | |
| 56 | // ---------------------------------------------------------------------------- |
| 57 | // constants |
| 58 | // ---------------------------------------------------------------------------- |
| 59 | |
| 60 | // the (popup) menu title has this special id |
| 61 | static const int idMenuTitle = -2; |
| 62 | |
| 63 | // ---------------------------------------------------------------------------- |
| 64 | // private functions |
| 65 | // ---------------------------------------------------------------------------- |
| 66 | |
| 67 | // make the given menu item default |
| 68 | static void SetDefaultMenuItem(HMENU hmenu, UINT id) |
| 69 | { |
| 70 | MENUITEMINFO mii; |
| 71 | wxZeroMemory(mii); |
| 72 | mii.cbSize = sizeof(MENUITEMINFO); |
| 73 | mii.fMask = MIIM_STATE; |
| 74 | mii.fState = MFS_DEFAULT; |
| 75 | |
| 76 | if ( !::SetMenuItemInfo(hmenu, id, FALSE, &mii) ) |
| 77 | { |
| 78 | wxLogLastError(wxT("SetMenuItemInfo")); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | // ============================================================================ |
| 83 | // implementation |
| 84 | // ============================================================================ |
| 85 | |
| 86 | IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler) |
| 87 | IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxWindow) |
| 88 | |
| 89 | // --------------------------------------------------------------------------- |
| 90 | // wxMenu construction, adding and removing menu items |
| 91 | // --------------------------------------------------------------------------- |
| 92 | |
| 93 | // Construct a menu with optional title (then use append) |
| 94 | void wxMenu::Init() |
| 95 | { |
| 96 | m_doBreak = FALSE; |
| 97 | m_startRadioGroup = -1; |
| 98 | |
| 99 | // create the menu |
| 100 | m_hMenu = (WXHMENU)CreatePopupMenu(); |
| 101 | if ( !m_hMenu ) |
| 102 | { |
| 103 | wxLogLastError(wxT("CreatePopupMenu")); |
| 104 | } |
| 105 | |
| 106 | // if we have a title, insert it in the beginning of the menu |
| 107 | if ( !!m_title ) |
| 108 | { |
| 109 | Append(idMenuTitle, m_title); |
| 110 | AppendSeparator(); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | // The wxWindow destructor will take care of deleting the submenus. |
| 115 | wxMenu::~wxMenu() |
| 116 | { |
| 117 | // we should free Windows resources only if Windows doesn't do it for us |
| 118 | // which happens if we're attached to a menubar or a submenu of another |
| 119 | // menu |
| 120 | if ( !IsAttached() && !GetParent() ) |
| 121 | { |
| 122 | if ( !::DestroyMenu(GetHmenu()) ) |
| 123 | { |
| 124 | wxLogLastError(wxT("DestroyMenu")); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | #if wxUSE_ACCEL |
| 129 | // delete accels |
| 130 | WX_CLEAR_ARRAY(m_accels); |
| 131 | #endif // wxUSE_ACCEL |
| 132 | } |
| 133 | |
| 134 | void wxMenu::Break() |
| 135 | { |
| 136 | // this will take effect during the next call to Append() |
| 137 | m_doBreak = TRUE; |
| 138 | } |
| 139 | |
| 140 | void wxMenu::Attach(wxMenuBarBase *menubar) |
| 141 | { |
| 142 | wxMenuBase::Attach(menubar); |
| 143 | |
| 144 | EndRadioGroup(); |
| 145 | } |
| 146 | |
| 147 | #if wxUSE_ACCEL |
| 148 | |
| 149 | int wxMenu::FindAccel(int id) const |
| 150 | { |
| 151 | size_t n, count = m_accels.GetCount(); |
| 152 | for ( n = 0; n < count; n++ ) |
| 153 | { |
| 154 | if ( m_accels[n]->m_command == id ) |
| 155 | return n; |
| 156 | } |
| 157 | |
| 158 | return wxNOT_FOUND; |
| 159 | } |
| 160 | |
| 161 | void wxMenu::UpdateAccel(wxMenuItem *item) |
| 162 | { |
| 163 | if ( item->IsSubMenu() ) |
| 164 | { |
| 165 | wxMenu *submenu = item->GetSubMenu(); |
| 166 | wxMenuItemList::Node *node = submenu->GetMenuItems().GetFirst(); |
| 167 | while ( node ) |
| 168 | { |
| 169 | UpdateAccel(node->GetData()); |
| 170 | |
| 171 | node = node->GetNext(); |
| 172 | } |
| 173 | } |
| 174 | else if ( !item->IsSeparator() ) |
| 175 | { |
| 176 | // find the (new) accel for this item |
| 177 | wxAcceleratorEntry *accel = wxGetAccelFromString(item->GetText()); |
| 178 | if ( accel ) |
| 179 | accel->m_command = item->GetId(); |
| 180 | |
| 181 | // find the old one |
| 182 | int n = FindAccel(item->GetId()); |
| 183 | if ( n == wxNOT_FOUND ) |
| 184 | { |
| 185 | // no old, add new if any |
| 186 | if ( accel ) |
| 187 | m_accels.Add(accel); |
| 188 | else |
| 189 | return; // skipping RebuildAccelTable() below |
| 190 | } |
| 191 | else |
| 192 | { |
| 193 | // replace old with new or just remove the old one if no new |
| 194 | delete m_accels[n]; |
| 195 | if ( accel ) |
| 196 | m_accels[n] = accel; |
| 197 | else |
| 198 | m_accels.RemoveAt(n); |
| 199 | } |
| 200 | |
| 201 | if ( IsAttached() ) |
| 202 | { |
| 203 | m_menuBar->RebuildAccelTable(); |
| 204 | } |
| 205 | } |
| 206 | //else: it is a separator, they can't have accels, nothing to do |
| 207 | } |
| 208 | |
| 209 | #endif // wxUSE_ACCEL |
| 210 | |
| 211 | // append a new item or submenu to the menu |
| 212 | bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) |
| 213 | { |
| 214 | #if wxUSE_ACCEL |
| 215 | UpdateAccel(pItem); |
| 216 | #endif // wxUSE_ACCEL |
| 217 | |
| 218 | UINT flags = 0; |
| 219 | |
| 220 | // if "Break" has just been called, insert a menu break before this item |
| 221 | // (and don't forget to reset the flag) |
| 222 | if ( m_doBreak ) { |
| 223 | flags |= MF_MENUBREAK; |
| 224 | m_doBreak = FALSE; |
| 225 | } |
| 226 | |
| 227 | if ( pItem->IsSeparator() ) { |
| 228 | flags |= MF_SEPARATOR; |
| 229 | } |
| 230 | |
| 231 | // id is the numeric id for normal menu items and HMENU for submenus as |
| 232 | // required by ::AppendMenu() API |
| 233 | UINT id; |
| 234 | wxMenu *submenu = pItem->GetSubMenu(); |
| 235 | if ( submenu != NULL ) { |
| 236 | wxASSERT_MSG( submenu->GetHMenu(), wxT("invalid submenu") ); |
| 237 | |
| 238 | submenu->SetParent(this); |
| 239 | |
| 240 | id = (UINT)submenu->GetHMenu(); |
| 241 | |
| 242 | flags |= MF_POPUP; |
| 243 | } |
| 244 | else { |
| 245 | id = pItem->GetId(); |
| 246 | } |
| 247 | |
| 248 | LPCTSTR pData; |
| 249 | |
| 250 | #if wxUSE_OWNER_DRAWN |
| 251 | if ( pItem->IsOwnerDrawn() ) { // want to get {Measure|Draw}Item messages? |
| 252 | // item draws itself, pass pointer to it in data parameter |
| 253 | flags |= MF_OWNERDRAW; |
| 254 | pData = (LPCTSTR)pItem; |
| 255 | } |
| 256 | else |
| 257 | #endif |
| 258 | { |
| 259 | // menu is just a normal string (passed in data parameter) |
| 260 | flags |= MF_STRING; |
| 261 | |
| 262 | pData = (wxChar*)pItem->GetText().c_str(); |
| 263 | } |
| 264 | |
| 265 | BOOL ok; |
| 266 | if ( pos == (size_t)-1 ) |
| 267 | { |
| 268 | ok = ::AppendMenu(GetHmenu(), flags, id, pData); |
| 269 | } |
| 270 | else |
| 271 | { |
| 272 | ok = ::InsertMenu(GetHmenu(), pos, flags | MF_BYPOSITION, id, pData); |
| 273 | } |
| 274 | |
| 275 | if ( !ok ) |
| 276 | { |
| 277 | wxLogLastError(wxT("Insert or AppendMenu")); |
| 278 | |
| 279 | return FALSE; |
| 280 | } |
| 281 | |
| 282 | // if we just appended the title, highlight it |
| 283 | #ifdef __WIN32__ |
| 284 | if ( (int)id == idMenuTitle ) |
| 285 | { |
| 286 | // visually select the menu title |
| 287 | SetDefaultMenuItem(GetHmenu(), id); |
| 288 | } |
| 289 | #endif // __WIN32__ |
| 290 | |
| 291 | // if we're already attached to the menubar, we must update it |
| 292 | if ( IsAttached() && m_menuBar->IsAttached() ) |
| 293 | { |
| 294 | m_menuBar->Refresh(); |
| 295 | } |
| 296 | |
| 297 | return TRUE; |
| 298 | } |
| 299 | |
| 300 | void wxMenu::EndRadioGroup() |
| 301 | { |
| 302 | // we're not inside a radio group any longer |
| 303 | m_startRadioGroup = -1; |
| 304 | } |
| 305 | |
| 306 | bool wxMenu::DoAppend(wxMenuItem *item) |
| 307 | { |
| 308 | wxCHECK_MSG( item, FALSE, _T("NULL item in wxMenu::DoAppend") ); |
| 309 | |
| 310 | bool check = FALSE; |
| 311 | |
| 312 | if ( item->GetKind() == wxITEM_RADIO ) |
| 313 | { |
| 314 | int count = GetMenuItemCount(); |
| 315 | |
| 316 | if ( m_startRadioGroup == -1 ) |
| 317 | { |
| 318 | // start a new radio group |
| 319 | m_startRadioGroup = count; |
| 320 | |
| 321 | // for now it has just one element |
| 322 | item->SetAsRadioGroupStart(); |
| 323 | item->SetRadioGroupEnd(m_startRadioGroup); |
| 324 | |
| 325 | // ensure that we have a checked item in the radio group |
| 326 | check = TRUE; |
| 327 | } |
| 328 | else // extend the current radio group |
| 329 | { |
| 330 | // we need to update its end item |
| 331 | item->SetRadioGroupStart(m_startRadioGroup); |
| 332 | wxMenuItemList::Node *node = GetMenuItems().Item(m_startRadioGroup); |
| 333 | |
| 334 | if ( node ) |
| 335 | { |
| 336 | node->GetData()->SetRadioGroupEnd(count); |
| 337 | } |
| 338 | else |
| 339 | { |
| 340 | wxFAIL_MSG( _T("where is the radio group start item?") ); |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | else // not a radio item |
| 345 | { |
| 346 | EndRadioGroup(); |
| 347 | } |
| 348 | |
| 349 | if ( !wxMenuBase::DoAppend(item) || !DoInsertOrAppend(item) ) |
| 350 | { |
| 351 | return FALSE; |
| 352 | } |
| 353 | |
| 354 | if ( check ) |
| 355 | { |
| 356 | // check the item initially |
| 357 | item->Check(TRUE); |
| 358 | } |
| 359 | |
| 360 | return TRUE; |
| 361 | } |
| 362 | |
| 363 | bool wxMenu::DoInsert(size_t pos, wxMenuItem *item) |
| 364 | { |
| 365 | return wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos); |
| 366 | } |
| 367 | |
| 368 | wxMenuItem *wxMenu::DoRemove(wxMenuItem *item) |
| 369 | { |
| 370 | // we need to find the items position in the child list |
| 371 | size_t pos; |
| 372 | wxMenuItemList::Node *node = GetMenuItems().GetFirst(); |
| 373 | for ( pos = 0; node; pos++ ) |
| 374 | { |
| 375 | if ( node->GetData() == item ) |
| 376 | break; |
| 377 | |
| 378 | node = node->GetNext(); |
| 379 | } |
| 380 | |
| 381 | // DoRemove() (unlike Remove) can only be called for existing item! |
| 382 | wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") ); |
| 383 | |
| 384 | #if wxUSE_ACCEL |
| 385 | // remove the corresponding accel from the accel table |
| 386 | int n = FindAccel(item->GetId()); |
| 387 | if ( n != wxNOT_FOUND ) |
| 388 | { |
| 389 | delete m_accels[n]; |
| 390 | |
| 391 | m_accels.RemoveAt(n); |
| 392 | } |
| 393 | //else: this item doesn't have an accel, nothing to do |
| 394 | #endif // wxUSE_ACCEL |
| 395 | |
| 396 | // remove the item from the menu |
| 397 | if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) ) |
| 398 | { |
| 399 | wxLogLastError(wxT("RemoveMenu")); |
| 400 | } |
| 401 | |
| 402 | if ( IsAttached() && m_menuBar->IsAttached() ) |
| 403 | { |
| 404 | // otherwise, the chane won't be visible |
| 405 | m_menuBar->Refresh(); |
| 406 | } |
| 407 | |
| 408 | // and from internal data structures |
| 409 | return wxMenuBase::DoRemove(item); |
| 410 | } |
| 411 | |
| 412 | // --------------------------------------------------------------------------- |
| 413 | // accelerator helpers |
| 414 | // --------------------------------------------------------------------------- |
| 415 | |
| 416 | #if wxUSE_ACCEL |
| 417 | |
| 418 | // create the wxAcceleratorEntries for our accels and put them into provided |
| 419 | // array - return the number of accels we have |
| 420 | size_t wxMenu::CopyAccels(wxAcceleratorEntry *accels) const |
| 421 | { |
| 422 | size_t count = GetAccelCount(); |
| 423 | for ( size_t n = 0; n < count; n++ ) |
| 424 | { |
| 425 | *accels++ = *m_accels[n]; |
| 426 | } |
| 427 | |
| 428 | return count; |
| 429 | } |
| 430 | |
| 431 | #endif // wxUSE_ACCEL |
| 432 | |
| 433 | // --------------------------------------------------------------------------- |
| 434 | // set wxMenu title |
| 435 | // --------------------------------------------------------------------------- |
| 436 | |
| 437 | void wxMenu::SetTitle(const wxString& label) |
| 438 | { |
| 439 | bool hasNoTitle = m_title.IsEmpty(); |
| 440 | m_title = label; |
| 441 | |
| 442 | HMENU hMenu = GetHmenu(); |
| 443 | |
| 444 | if ( hasNoTitle ) |
| 445 | { |
| 446 | if ( !label.IsEmpty() ) |
| 447 | { |
| 448 | if ( !::InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING, |
| 449 | (unsigned)idMenuTitle, m_title) || |
| 450 | !::InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) ) |
| 451 | { |
| 452 | wxLogLastError(wxT("InsertMenu")); |
| 453 | } |
| 454 | } |
| 455 | } |
| 456 | else |
| 457 | { |
| 458 | if ( label.IsEmpty() ) |
| 459 | { |
| 460 | // remove the title and the separator after it |
| 461 | if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) || |
| 462 | !RemoveMenu(hMenu, 0, MF_BYPOSITION) ) |
| 463 | { |
| 464 | wxLogLastError(wxT("RemoveMenu")); |
| 465 | } |
| 466 | } |
| 467 | else |
| 468 | { |
| 469 | // modify the title |
| 470 | if ( !ModifyMenu(hMenu, 0u, |
| 471 | MF_BYPOSITION | MF_STRING, |
| 472 | (unsigned)idMenuTitle, m_title) ) |
| 473 | { |
| 474 | wxLogLastError(wxT("ModifyMenu")); |
| 475 | } |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | #ifdef __WIN32__ |
| 480 | // put the title string in bold face |
| 481 | if ( !m_title.IsEmpty() ) |
| 482 | { |
| 483 | SetDefaultMenuItem(GetHmenu(), (UINT)idMenuTitle); |
| 484 | } |
| 485 | #endif // Win32 |
| 486 | } |
| 487 | |
| 488 | // --------------------------------------------------------------------------- |
| 489 | // event processing |
| 490 | // --------------------------------------------------------------------------- |
| 491 | |
| 492 | bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id) |
| 493 | { |
| 494 | // ignore commands from the menu title |
| 495 | |
| 496 | // NB: VC++ generates wrong assembler for `if ( id != idMenuTitle )'!! |
| 497 | if ( id != (WXWORD)idMenuTitle ) |
| 498 | { |
| 499 | // VZ: previosuly, the command int was set to id too which was quite |
| 500 | // useless anyhow (as it could be retrieved using GetId()) and |
| 501 | // uncompatible with wxGTK, so now we use the command int instead |
| 502 | // to pass the checked status |
| 503 | SendEvent(id, ::GetMenuState(GetHmenu(), id, MF_BYCOMMAND) & MF_CHECKED); |
| 504 | } |
| 505 | |
| 506 | return TRUE; |
| 507 | } |
| 508 | |
| 509 | // --------------------------------------------------------------------------- |
| 510 | // other |
| 511 | // --------------------------------------------------------------------------- |
| 512 | |
| 513 | wxWindow *wxMenu::GetWindow() const |
| 514 | { |
| 515 | if ( m_invokingWindow != NULL ) |
| 516 | return m_invokingWindow; |
| 517 | else if ( m_menuBar != NULL) |
| 518 | return m_menuBar->GetFrame(); |
| 519 | |
| 520 | return NULL; |
| 521 | } |
| 522 | |
| 523 | // --------------------------------------------------------------------------- |
| 524 | // Menu Bar |
| 525 | // --------------------------------------------------------------------------- |
| 526 | |
| 527 | void wxMenuBar::Init() |
| 528 | { |
| 529 | m_eventHandler = this; |
| 530 | m_hMenu = 0; |
| 531 | } |
| 532 | |
| 533 | wxMenuBar::wxMenuBar() |
| 534 | { |
| 535 | Init(); |
| 536 | } |
| 537 | |
| 538 | wxMenuBar::wxMenuBar( long WXUNUSED(style) ) |
| 539 | { |
| 540 | Init(); |
| 541 | } |
| 542 | |
| 543 | wxMenuBar::wxMenuBar(int count, wxMenu *menus[], const wxString titles[]) |
| 544 | { |
| 545 | Init(); |
| 546 | |
| 547 | m_titles.Alloc(count); |
| 548 | |
| 549 | for ( int i = 0; i < count; i++ ) |
| 550 | { |
| 551 | m_menus.Append(menus[i]); |
| 552 | m_titles.Add(titles[i]); |
| 553 | |
| 554 | menus[i]->Attach(this); |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | wxMenuBar::~wxMenuBar() |
| 559 | { |
| 560 | // we should free Windows resources only if Windows doesn't do it for us |
| 561 | // which happens if we're attached to a frame |
| 562 | if (m_hMenu && !IsAttached()) |
| 563 | { |
| 564 | ::DestroyMenu((HMENU)m_hMenu); |
| 565 | m_hMenu = (WXHMENU)NULL; |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | // --------------------------------------------------------------------------- |
| 570 | // wxMenuBar helpers |
| 571 | // --------------------------------------------------------------------------- |
| 572 | |
| 573 | void wxMenuBar::Refresh() |
| 574 | { |
| 575 | wxCHECK_RET( IsAttached(), wxT("can't refresh unattached menubar") ); |
| 576 | |
| 577 | DrawMenuBar(GetHwndOf(GetFrame())); |
| 578 | } |
| 579 | |
| 580 | WXHMENU wxMenuBar::Create() |
| 581 | { |
| 582 | if ( m_hMenu != 0 ) |
| 583 | return m_hMenu; |
| 584 | |
| 585 | m_hMenu = (WXHMENU)::CreateMenu(); |
| 586 | |
| 587 | if ( !m_hMenu ) |
| 588 | { |
| 589 | wxLogLastError(wxT("CreateMenu")); |
| 590 | } |
| 591 | else |
| 592 | { |
| 593 | size_t count = GetMenuCount(); |
| 594 | for ( size_t i = 0; i < count; i++ ) |
| 595 | { |
| 596 | if ( !::AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING, |
| 597 | (UINT)m_menus[i]->GetHMenu(), |
| 598 | m_titles[i]) ) |
| 599 | { |
| 600 | wxLogLastError(wxT("AppendMenu")); |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | return m_hMenu; |
| 606 | } |
| 607 | |
| 608 | // --------------------------------------------------------------------------- |
| 609 | // wxMenuBar functions to work with the top level submenus |
| 610 | // --------------------------------------------------------------------------- |
| 611 | |
| 612 | // NB: we don't support owner drawn top level items for now, if we do these |
| 613 | // functions would have to be changed to use wxMenuItem as well |
| 614 | |
| 615 | void wxMenuBar::EnableTop(size_t pos, bool enable) |
| 616 | { |
| 617 | wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") ); |
| 618 | |
| 619 | int flag = enable ? MF_ENABLED : MF_GRAYED; |
| 620 | |
| 621 | EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | flag); |
| 622 | |
| 623 | Refresh(); |
| 624 | } |
| 625 | |
| 626 | void wxMenuBar::SetLabelTop(size_t pos, const wxString& label) |
| 627 | { |
| 628 | wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") ); |
| 629 | |
| 630 | m_titles[pos] = label; |
| 631 | |
| 632 | if ( !IsAttached() ) |
| 633 | { |
| 634 | return; |
| 635 | } |
| 636 | //else: have to modify the existing menu |
| 637 | |
| 638 | UINT id; |
| 639 | UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, pos, MF_BYPOSITION); |
| 640 | if ( flagsOld == 0xFFFFFFFF ) |
| 641 | { |
| 642 | wxLogLastError(wxT("GetMenuState")); |
| 643 | |
| 644 | return; |
| 645 | } |
| 646 | |
| 647 | if ( flagsOld & MF_POPUP ) |
| 648 | { |
| 649 | // HIBYTE contains the number of items in the submenu in this case |
| 650 | flagsOld &= 0xff; |
| 651 | id = (UINT)::GetSubMenu((HMENU)m_hMenu, pos); |
| 652 | } |
| 653 | else |
| 654 | { |
| 655 | id = pos; |
| 656 | } |
| 657 | |
| 658 | if ( ::ModifyMenu(GetHmenu(), pos, MF_BYPOSITION | MF_STRING | flagsOld, |
| 659 | id, label) == (int)0xFFFFFFFF ) |
| 660 | { |
| 661 | wxLogLastError(wxT("ModifyMenu")); |
| 662 | } |
| 663 | |
| 664 | Refresh(); |
| 665 | } |
| 666 | |
| 667 | wxString wxMenuBar::GetLabelTop(size_t pos) const |
| 668 | { |
| 669 | wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString, |
| 670 | wxT("invalid menu index in wxMenuBar::GetLabelTop") ); |
| 671 | |
| 672 | return m_titles[pos]; |
| 673 | } |
| 674 | |
| 675 | // --------------------------------------------------------------------------- |
| 676 | // wxMenuBar construction |
| 677 | // --------------------------------------------------------------------------- |
| 678 | |
| 679 | wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title) |
| 680 | { |
| 681 | wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title); |
| 682 | if ( !menuOld ) |
| 683 | return NULL; |
| 684 | |
| 685 | m_titles[pos] = title; |
| 686 | |
| 687 | if ( IsAttached() ) |
| 688 | { |
| 689 | // can't use ModifyMenu() because it deletes the submenu it replaces |
| 690 | if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) ) |
| 691 | { |
| 692 | wxLogLastError(wxT("RemoveMenu")); |
| 693 | } |
| 694 | |
| 695 | if ( !::InsertMenu(GetHmenu(), (UINT)pos, |
| 696 | MF_BYPOSITION | MF_POPUP | MF_STRING, |
| 697 | (UINT)GetHmenuOf(menu), title) ) |
| 698 | { |
| 699 | wxLogLastError(wxT("InsertMenu")); |
| 700 | } |
| 701 | |
| 702 | #if wxUSE_ACCEL |
| 703 | if ( menuOld->HasAccels() || menu->HasAccels() ) |
| 704 | { |
| 705 | // need to rebuild accell table |
| 706 | RebuildAccelTable(); |
| 707 | } |
| 708 | #endif // wxUSE_ACCEL |
| 709 | |
| 710 | Refresh(); |
| 711 | } |
| 712 | |
| 713 | return menuOld; |
| 714 | } |
| 715 | |
| 716 | bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title) |
| 717 | { |
| 718 | if ( !wxMenuBarBase::Insert(pos, menu, title) ) |
| 719 | return FALSE; |
| 720 | |
| 721 | m_titles.Insert(title, pos); |
| 722 | |
| 723 | if ( IsAttached() ) |
| 724 | { |
| 725 | if ( !::InsertMenu(GetHmenu(), pos, |
| 726 | MF_BYPOSITION | MF_POPUP | MF_STRING, |
| 727 | (UINT)GetHmenuOf(menu), title) ) |
| 728 | { |
| 729 | wxLogLastError(wxT("InsertMenu")); |
| 730 | } |
| 731 | |
| 732 | #if wxUSE_ACCEL |
| 733 | if ( menu->HasAccels() ) |
| 734 | { |
| 735 | // need to rebuild accell table |
| 736 | RebuildAccelTable(); |
| 737 | } |
| 738 | #endif // wxUSE_ACCEL |
| 739 | |
| 740 | Refresh(); |
| 741 | } |
| 742 | |
| 743 | return TRUE; |
| 744 | } |
| 745 | |
| 746 | bool wxMenuBar::Append(wxMenu *menu, const wxString& title) |
| 747 | { |
| 748 | WXHMENU submenu = menu ? menu->GetHMenu() : 0; |
| 749 | wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") ); |
| 750 | |
| 751 | if ( !wxMenuBarBase::Append(menu, title) ) |
| 752 | return FALSE; |
| 753 | |
| 754 | m_titles.Add(title); |
| 755 | |
| 756 | if ( IsAttached() ) |
| 757 | { |
| 758 | if ( !::AppendMenu(GetHmenu(), MF_POPUP | MF_STRING, |
| 759 | (UINT)submenu, title) ) |
| 760 | { |
| 761 | wxLogLastError(wxT("AppendMenu")); |
| 762 | } |
| 763 | |
| 764 | #if wxUSE_ACCEL |
| 765 | if ( menu->HasAccels() ) |
| 766 | { |
| 767 | // need to rebuild accell table |
| 768 | RebuildAccelTable(); |
| 769 | } |
| 770 | #endif // wxUSE_ACCEL |
| 771 | |
| 772 | Refresh(); |
| 773 | } |
| 774 | |
| 775 | return TRUE; |
| 776 | } |
| 777 | |
| 778 | wxMenu *wxMenuBar::Remove(size_t pos) |
| 779 | { |
| 780 | wxMenu *menu = wxMenuBarBase::Remove(pos); |
| 781 | if ( !menu ) |
| 782 | return NULL; |
| 783 | |
| 784 | if ( IsAttached() ) |
| 785 | { |
| 786 | if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) ) |
| 787 | { |
| 788 | wxLogLastError(wxT("RemoveMenu")); |
| 789 | } |
| 790 | |
| 791 | #if wxUSE_ACCEL |
| 792 | if ( menu->HasAccels() ) |
| 793 | { |
| 794 | // need to rebuild accell table |
| 795 | RebuildAccelTable(); |
| 796 | } |
| 797 | #endif // wxUSE_ACCEL |
| 798 | |
| 799 | Refresh(); |
| 800 | } |
| 801 | |
| 802 | m_titles.Remove(pos); |
| 803 | |
| 804 | return menu; |
| 805 | } |
| 806 | |
| 807 | #if wxUSE_ACCEL |
| 808 | |
| 809 | void wxMenuBar::RebuildAccelTable() |
| 810 | { |
| 811 | // merge the accelerators of all menus into one accel table |
| 812 | size_t nAccelCount = 0; |
| 813 | size_t i, count = GetMenuCount(); |
| 814 | for ( i = 0; i < count; i++ ) |
| 815 | { |
| 816 | nAccelCount += m_menus[i]->GetAccelCount(); |
| 817 | } |
| 818 | |
| 819 | if ( nAccelCount ) |
| 820 | { |
| 821 | wxAcceleratorEntry *accelEntries = new wxAcceleratorEntry[nAccelCount]; |
| 822 | |
| 823 | nAccelCount = 0; |
| 824 | for ( i = 0; i < count; i++ ) |
| 825 | { |
| 826 | nAccelCount += m_menus[i]->CopyAccels(&accelEntries[nAccelCount]); |
| 827 | } |
| 828 | |
| 829 | m_accelTable = wxAcceleratorTable(nAccelCount, accelEntries); |
| 830 | |
| 831 | delete [] accelEntries; |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | #endif // wxUSE_ACCEL |
| 836 | |
| 837 | void wxMenuBar::Attach(wxFrame *frame) |
| 838 | { |
| 839 | wxMenuBarBase::Attach(frame); |
| 840 | |
| 841 | #if wxUSE_ACCEL |
| 842 | RebuildAccelTable(); |
| 843 | #endif // wxUSE_ACCEL |
| 844 | } |
| 845 | |
| 846 | void wxMenuBar::Detach() |
| 847 | { |
| 848 | wxMenuBarBase::Detach(); |
| 849 | } |
| 850 | |
| 851 | #endif // wxUSE_MENUS |