| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/generic/mdig.cpp |
| 3 | // Purpose: Generic MDI (Multiple Document Interface) classes |
| 4 | // Author: Hans Van Leemputten |
| 5 | // Modified by: 2008-10-31 Vadim Zeitlin: derive from the base classes |
| 6 | // Created: 29/07/2002 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2002 Hans Van Leemputten |
| 9 | // (c) 2008 Vadim Zeitlin |
| 10 | // Licence: wxWindows licence |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | // =========================================================================== |
| 14 | // declarations |
| 15 | // =========================================================================== |
| 16 | |
| 17 | // --------------------------------------------------------------------------- |
| 18 | // headers |
| 19 | // --------------------------------------------------------------------------- |
| 20 | |
| 21 | // For compilers that support precompilation, includes "wx.h". |
| 22 | #include "wx/wxprec.h" |
| 23 | |
| 24 | #ifdef __BORLANDC__ |
| 25 | #pragma hdrstop |
| 26 | #endif |
| 27 | |
| 28 | #if wxUSE_MDI |
| 29 | |
| 30 | #ifndef WX_PRECOMP |
| 31 | #include "wx/menu.h" |
| 32 | #include "wx/intl.h" |
| 33 | #include "wx/log.h" |
| 34 | #endif //WX_PRECOMP |
| 35 | |
| 36 | #include "wx/mdi.h" |
| 37 | #include "wx/generic/mdig.h" |
| 38 | #include "wx/notebook.h" |
| 39 | #include "wx/scopeguard.h" |
| 40 | |
| 41 | #include "wx/stockitem.h" |
| 42 | |
| 43 | enum MDI_MENU_ID |
| 44 | { |
| 45 | wxWINDOWCLOSE = 4001, |
| 46 | wxWINDOWCLOSEALL, |
| 47 | wxWINDOWNEXT, |
| 48 | wxWINDOWPREV |
| 49 | }; |
| 50 | |
| 51 | //----------------------------------------------------------------------------- |
| 52 | // wxGenericMDIParentFrame |
| 53 | //----------------------------------------------------------------------------- |
| 54 | |
| 55 | IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIParentFrame, wxFrame) |
| 56 | |
| 57 | BEGIN_EVENT_TABLE(wxGenericMDIParentFrame, wxFrame) |
| 58 | EVT_CLOSE(wxGenericMDIParentFrame::OnClose) |
| 59 | #if wxUSE_MENUS |
| 60 | EVT_MENU(wxID_ANY, wxGenericMDIParentFrame::OnWindowMenu) |
| 61 | #endif |
| 62 | END_EVENT_TABLE() |
| 63 | |
| 64 | void wxGenericMDIParentFrame::Init() |
| 65 | { |
| 66 | #if wxUSE_MENUS |
| 67 | m_pMyMenuBar = NULL; |
| 68 | #endif // wxUSE_MENUS |
| 69 | } |
| 70 | |
| 71 | wxGenericMDIParentFrame::~wxGenericMDIParentFrame() |
| 72 | { |
| 73 | // Make sure the client window is destructed before the menu bars are! |
| 74 | wxDELETE(m_clientWindow); |
| 75 | |
| 76 | #if wxUSE_MENUS |
| 77 | if (m_pMyMenuBar) |
| 78 | { |
| 79 | delete m_pMyMenuBar; |
| 80 | m_pMyMenuBar = NULL; |
| 81 | } |
| 82 | |
| 83 | RemoveWindowMenu(GetMenuBar()); |
| 84 | #endif // wxUSE_MENUS |
| 85 | } |
| 86 | |
| 87 | bool wxGenericMDIParentFrame::Create(wxWindow *parent, |
| 88 | wxWindowID id, |
| 89 | const wxString& title, |
| 90 | const wxPoint& pos, |
| 91 | const wxSize& size, |
| 92 | long style, |
| 93 | const wxString& name) |
| 94 | { |
| 95 | // this style can be used to prevent a window from having the standard MDI |
| 96 | // "Window" menu |
| 97 | if ( !(style & wxFRAME_NO_WINDOW_MENU) ) |
| 98 | { |
| 99 | #if wxUSE_MENUS |
| 100 | m_windowMenu = new wxMenu; |
| 101 | |
| 102 | m_windowMenu->Append(wxWINDOWCLOSE, _("Cl&ose")); |
| 103 | m_windowMenu->Append(wxWINDOWCLOSEALL, _("Close All")); |
| 104 | m_windowMenu->AppendSeparator(); |
| 105 | m_windowMenu->Append(wxWINDOWNEXT, _("&Next")); |
| 106 | m_windowMenu->Append(wxWINDOWPREV, _("&Previous")); |
| 107 | #endif // wxUSE_MENUS |
| 108 | } |
| 109 | |
| 110 | // the scrolling styles don't make sense neither for us nor for our client |
| 111 | // window (to which they're supposed to apply) |
| 112 | style &= ~(wxHSCROLL | wxVSCROLL); |
| 113 | |
| 114 | if ( !wxFrame::Create( parent, id, title, pos, size, style, name ) ) |
| 115 | return false; |
| 116 | |
| 117 | wxGenericMDIClientWindow * const client = OnCreateGenericClient(); |
| 118 | if ( !client->CreateGenericClient(this) ) |
| 119 | return false; |
| 120 | |
| 121 | m_clientWindow = client; |
| 122 | |
| 123 | return true; |
| 124 | } |
| 125 | |
| 126 | wxGenericMDIClientWindow *wxGenericMDIParentFrame::OnCreateGenericClient() |
| 127 | { |
| 128 | return new wxGenericMDIClientWindow; |
| 129 | } |
| 130 | |
| 131 | bool wxGenericMDIParentFrame::CloseAll() |
| 132 | { |
| 133 | wxGenericMDIClientWindow * const client = GetGenericClientWindow(); |
| 134 | if ( !client ) |
| 135 | return true; // none of the windows left |
| 136 | |
| 137 | wxBookCtrlBase * const book = client->GetBookCtrl(); |
| 138 | while ( book->GetPageCount() ) |
| 139 | { |
| 140 | wxGenericMDIChildFrame * const child = client->GetChild(0); |
| 141 | if ( !child->Close() ) |
| 142 | { |
| 143 | // it refused to close, don't close the remaining ones neither |
| 144 | return false; |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | return true; |
| 149 | } |
| 150 | |
| 151 | #if wxUSE_MENUS |
| 152 | void wxGenericMDIParentFrame::SetWindowMenu(wxMenu* pMenu) |
| 153 | { |
| 154 | // Replace the window menu from the currently loaded menu bar. |
| 155 | wxMenuBar *pMenuBar = GetMenuBar(); |
| 156 | |
| 157 | if (m_windowMenu) |
| 158 | { |
| 159 | RemoveWindowMenu(pMenuBar); |
| 160 | |
| 161 | wxDELETE(m_windowMenu); |
| 162 | } |
| 163 | |
| 164 | if (pMenu) |
| 165 | { |
| 166 | m_windowMenu = pMenu; |
| 167 | |
| 168 | AddWindowMenu(pMenuBar); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | void wxGenericMDIParentFrame::SetMenuBar(wxMenuBar *pMenuBar) |
| 173 | { |
| 174 | // Remove the Window menu from the old menu bar |
| 175 | RemoveWindowMenu(GetMenuBar()); |
| 176 | // Add the Window menu to the new menu bar. |
| 177 | AddWindowMenu(pMenuBar); |
| 178 | |
| 179 | wxFrame::SetMenuBar(pMenuBar); |
| 180 | } |
| 181 | #endif // wxUSE_MENUS |
| 182 | |
| 183 | void wxGenericMDIParentFrame::WXSetChildMenuBar(wxGenericMDIChildFrame *pChild) |
| 184 | { |
| 185 | #if wxUSE_MENUS |
| 186 | if (pChild == NULL) |
| 187 | { |
| 188 | // No Child, set Our menu bar back. |
| 189 | SetMenuBar(m_pMyMenuBar); |
| 190 | |
| 191 | // Make sure we know our menu bar is in use |
| 192 | m_pMyMenuBar = NULL; |
| 193 | } |
| 194 | else |
| 195 | { |
| 196 | if (pChild->GetMenuBar() == NULL) |
| 197 | return; |
| 198 | |
| 199 | // Do we need to save the current bar? |
| 200 | if (m_pMyMenuBar == NULL) |
| 201 | m_pMyMenuBar = GetMenuBar(); |
| 202 | |
| 203 | SetMenuBar(pChild->GetMenuBar()); |
| 204 | } |
| 205 | #endif // wxUSE_MENUS |
| 206 | } |
| 207 | |
| 208 | wxGenericMDIClientWindow * |
| 209 | wxGenericMDIParentFrame::GetGenericClientWindow() const |
| 210 | { |
| 211 | return static_cast<wxGenericMDIClientWindow *>(m_clientWindow); |
| 212 | } |
| 213 | |
| 214 | wxBookCtrlBase *wxGenericMDIParentFrame::GetBookCtrl() const |
| 215 | { |
| 216 | wxGenericMDIClientWindow * const client = GetGenericClientWindow(); |
| 217 | return client ? client->GetBookCtrl() : NULL; |
| 218 | } |
| 219 | |
| 220 | void wxGenericMDIParentFrame::AdvanceActive(bool forward) |
| 221 | { |
| 222 | wxBookCtrlBase * const book = GetBookCtrl(); |
| 223 | if ( book ) |
| 224 | book->AdvanceSelection(forward); |
| 225 | } |
| 226 | |
| 227 | void wxGenericMDIParentFrame::WXUpdateChildTitle(wxGenericMDIChildFrame *child) |
| 228 | { |
| 229 | wxGenericMDIClientWindow * const client = GetGenericClientWindow(); |
| 230 | |
| 231 | const int pos = client->FindChild(child); |
| 232 | if ( pos == wxNOT_FOUND ) |
| 233 | return; |
| 234 | |
| 235 | client->GetBookCtrl()->SetPageText(pos, child->GetTitle()); |
| 236 | } |
| 237 | |
| 238 | void wxGenericMDIParentFrame::WXActivateChild(wxGenericMDIChildFrame *child) |
| 239 | { |
| 240 | wxGenericMDIClientWindow * const client = GetGenericClientWindow(); |
| 241 | |
| 242 | const int pos = client->FindChild(child); |
| 243 | if ( pos == wxNOT_FOUND ) |
| 244 | return; |
| 245 | |
| 246 | client->GetBookCtrl()->SetSelection(pos); |
| 247 | } |
| 248 | |
| 249 | void wxGenericMDIParentFrame::WXRemoveChild(wxGenericMDIChildFrame *child) |
| 250 | { |
| 251 | const bool removingActive = WXIsActiveChild(child); |
| 252 | if ( removingActive ) |
| 253 | { |
| 254 | SetActiveChild(NULL); |
| 255 | WXSetChildMenuBar(NULL); |
| 256 | } |
| 257 | |
| 258 | wxGenericMDIClientWindow * const client = GetGenericClientWindow(); |
| 259 | wxCHECK_RET( client, "should have client window" ); |
| 260 | |
| 261 | wxBookCtrlBase * const book = client->GetBookCtrl(); |
| 262 | |
| 263 | // Remove page if still there |
| 264 | int pos = client->FindChild(child); |
| 265 | if ( pos != wxNOT_FOUND ) |
| 266 | { |
| 267 | if ( book->RemovePage(pos) ) |
| 268 | book->Refresh(); |
| 269 | } |
| 270 | |
| 271 | if ( removingActive ) |
| 272 | { |
| 273 | // Set the new selection to a remaining page |
| 274 | const size_t count = book->GetPageCount(); |
| 275 | if ( count > (size_t)pos ) |
| 276 | { |
| 277 | book->SetSelection(pos); |
| 278 | } |
| 279 | else |
| 280 | { |
| 281 | if ( count > 0 ) |
| 282 | book->SetSelection(count - 1); |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | bool |
| 288 | wxGenericMDIParentFrame::WXIsActiveChild(wxGenericMDIChildFrame *child) const |
| 289 | { |
| 290 | return static_cast<wxMDIChildFrameBase *>(GetActiveChild()) == child; |
| 291 | } |
| 292 | |
| 293 | #if wxUSE_MENUS |
| 294 | void wxGenericMDIParentFrame::RemoveWindowMenu(wxMenuBar *pMenuBar) |
| 295 | { |
| 296 | if (pMenuBar && m_windowMenu) |
| 297 | { |
| 298 | // Remove old window menu |
| 299 | int pos = pMenuBar->FindMenu(_("&Window")); |
| 300 | if (pos != wxNOT_FOUND) |
| 301 | { |
| 302 | wxASSERT(m_windowMenu == pMenuBar->GetMenu(pos)); // DBG:: We're going to delete the wrong menu!!! |
| 303 | pMenuBar->Remove(pos); |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | void wxGenericMDIParentFrame::AddWindowMenu(wxMenuBar *pMenuBar) |
| 309 | { |
| 310 | if (pMenuBar && m_windowMenu) |
| 311 | { |
| 312 | int pos = pMenuBar->FindMenu(wxGetStockLabel(wxID_HELP,false)); |
| 313 | if (pos == wxNOT_FOUND) |
| 314 | { |
| 315 | pMenuBar->Append(m_windowMenu, _("&Window")); |
| 316 | } |
| 317 | else |
| 318 | { |
| 319 | pMenuBar->Insert(pos, m_windowMenu, _("&Window")); |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | void wxGenericMDIParentFrame::OnWindowMenu(wxCommandEvent &event) |
| 325 | { |
| 326 | switch ( event.GetId() ) |
| 327 | { |
| 328 | case wxWINDOWCLOSE: |
| 329 | if ( m_currentChild ) |
| 330 | m_currentChild->Close(); |
| 331 | break; |
| 332 | |
| 333 | case wxWINDOWCLOSEALL: |
| 334 | CloseAll(); |
| 335 | break; |
| 336 | |
| 337 | case wxWINDOWNEXT: |
| 338 | ActivateNext(); |
| 339 | break; |
| 340 | |
| 341 | case wxWINDOWPREV: |
| 342 | ActivatePrevious(); |
| 343 | break; |
| 344 | |
| 345 | default: |
| 346 | event.Skip(); |
| 347 | } |
| 348 | } |
| 349 | #endif // wxUSE_MENUS |
| 350 | |
| 351 | void wxGenericMDIParentFrame::OnClose(wxCloseEvent& event) |
| 352 | { |
| 353 | if ( !CloseAll() ) |
| 354 | event.Veto(); |
| 355 | else |
| 356 | event.Skip(); |
| 357 | } |
| 358 | |
| 359 | bool wxGenericMDIParentFrame::ProcessEvent(wxEvent& event) |
| 360 | { |
| 361 | if ( m_currentChild ) |
| 362 | { |
| 363 | // the menu events should be given to the child as we show its menu bar |
| 364 | // as our own |
| 365 | const wxEventType eventType = event.GetEventType(); |
| 366 | if ( eventType == wxEVT_COMMAND_MENU_SELECTED || |
| 367 | eventType == wxEVT_UPDATE_UI ) |
| 368 | { |
| 369 | // set the flag indicating that this event was forwarded to the |
| 370 | // child from the parent and so shouldn't be propagated upwards if |
| 371 | // not processed to avoid infinite loop |
| 372 | m_childHandler = m_currentChild; |
| 373 | wxON_BLOCK_EXIT_NULL(m_childHandler); |
| 374 | |
| 375 | if ( m_currentChild->ProcessWindowEvent(event) ) |
| 376 | return true; |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | return wxMDIParentFrameBase::ProcessEvent(event); |
| 381 | } |
| 382 | |
| 383 | // ---------------------------------------------------------------------------- |
| 384 | // wxGenericMDIChildFrame |
| 385 | // ---------------------------------------------------------------------------- |
| 386 | |
| 387 | IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIChildFrame, wxFrame) |
| 388 | |
| 389 | BEGIN_EVENT_TABLE(wxGenericMDIChildFrame, wxFrame) |
| 390 | EVT_MENU_HIGHLIGHT_ALL(wxGenericMDIChildFrame::OnMenuHighlight) |
| 391 | |
| 392 | EVT_CLOSE(wxGenericMDIChildFrame::OnClose) |
| 393 | END_EVENT_TABLE() |
| 394 | |
| 395 | void wxGenericMDIChildFrame::Init() |
| 396 | { |
| 397 | #if wxUSE_MENUS |
| 398 | m_pMenuBar = NULL; |
| 399 | #endif // wxUSE_MENUS |
| 400 | |
| 401 | #if !wxUSE_GENERIC_MDI_AS_NATIVE |
| 402 | m_mdiParentGeneric = NULL; |
| 403 | #endif |
| 404 | } |
| 405 | |
| 406 | wxGenericMDIChildFrame::~wxGenericMDIChildFrame() |
| 407 | { |
| 408 | wxGenericMDIParentFrame * const parent = GetGenericMDIParent(); |
| 409 | |
| 410 | // it could happen that we don't have a valid parent if we hadn't been ever |
| 411 | // really created -- but in this case there is nothing else to do neither |
| 412 | if ( parent ) |
| 413 | parent->WXRemoveChild(this); |
| 414 | |
| 415 | #if wxUSE_MENUS |
| 416 | delete m_pMenuBar; |
| 417 | #endif // wxUSE_MENUS |
| 418 | } |
| 419 | |
| 420 | bool wxGenericMDIChildFrame::Create(wxGenericMDIParentFrame *parent, |
| 421 | wxWindowID id, |
| 422 | const wxString& title, |
| 423 | const wxPoint& WXUNUSED(pos), |
| 424 | const wxSize& size, |
| 425 | long WXUNUSED(style), |
| 426 | const wxString& name) |
| 427 | { |
| 428 | // unfortunately we can't use the base class m_mdiParent field unless |
| 429 | // wxGenericMDIParentFrame is wxMDIParentFrame |
| 430 | #if wxUSE_GENERIC_MDI_AS_NATIVE |
| 431 | m_mdiParent = parent; |
| 432 | #else // generic != native |
| 433 | // leave m_mdiParent NULL, we don't have it |
| 434 | m_mdiParentGeneric = parent; |
| 435 | #endif |
| 436 | |
| 437 | wxBookCtrlBase * const book = parent->GetBookCtrl(); |
| 438 | |
| 439 | wxASSERT_MSG( book, "Missing MDI client window." ); |
| 440 | |
| 441 | // note that we ignore the styles, none of the usual TLW styles apply to |
| 442 | // this (child) window |
| 443 | if ( !wxWindow::Create(book, id, wxDefaultPosition, size, 0, name) ) |
| 444 | return false; |
| 445 | |
| 446 | m_title = title; |
| 447 | book->AddPage(this, title, true); |
| 448 | |
| 449 | return true; |
| 450 | } |
| 451 | |
| 452 | #if wxUSE_MENUS |
| 453 | void wxGenericMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar ) |
| 454 | { |
| 455 | wxMenuBar *pOldMenuBar = m_pMenuBar; |
| 456 | m_pMenuBar = menu_bar; |
| 457 | |
| 458 | if (m_pMenuBar) |
| 459 | { |
| 460 | wxGenericMDIParentFrame *parent = GetGenericMDIParent(); |
| 461 | |
| 462 | if ( parent ) |
| 463 | { |
| 464 | m_pMenuBar->SetParent(parent); |
| 465 | |
| 466 | if ( parent->WXIsActiveChild(this) ) |
| 467 | { |
| 468 | // Replace current menu bars |
| 469 | if (pOldMenuBar) |
| 470 | parent->WXSetChildMenuBar(NULL); |
| 471 | parent->WXSetChildMenuBar(this); |
| 472 | } |
| 473 | } |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | wxMenuBar *wxGenericMDIChildFrame::GetMenuBar() const |
| 478 | { |
| 479 | return m_pMenuBar; |
| 480 | } |
| 481 | #endif // wxUSE_MENUS |
| 482 | |
| 483 | void wxGenericMDIChildFrame::SetTitle(const wxString& title) |
| 484 | { |
| 485 | m_title = title; |
| 486 | |
| 487 | wxGenericMDIParentFrame * const parent = GetGenericMDIParent(); |
| 488 | if ( parent ) |
| 489 | parent->WXUpdateChildTitle(this); |
| 490 | //else: it's ok, we might be not created yet |
| 491 | } |
| 492 | |
| 493 | void wxGenericMDIChildFrame::Activate() |
| 494 | { |
| 495 | wxGenericMDIParentFrame * const parent = GetGenericMDIParent(); |
| 496 | |
| 497 | wxCHECK_RET( parent, "can't activate MDI child without parent" ); |
| 498 | parent->WXActivateChild(this); |
| 499 | } |
| 500 | |
| 501 | void wxGenericMDIChildFrame::OnMenuHighlight(wxMenuEvent& event) |
| 502 | { |
| 503 | wxGenericMDIParentFrame * const parent = GetGenericMDIParent(); |
| 504 | if ( parent) |
| 505 | { |
| 506 | // we don't have any help text for this item, |
| 507 | // but may be the MDI frame does? |
| 508 | parent->OnMenuHighlight(event); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | void wxGenericMDIChildFrame::OnClose(wxCloseEvent& WXUNUSED(event)) |
| 513 | { |
| 514 | // we're not a TLW so don't delay the destruction of this window |
| 515 | delete this; |
| 516 | } |
| 517 | |
| 518 | bool wxGenericMDIChildFrame::TryParent(wxEvent& event) |
| 519 | { |
| 520 | // we shouldn't propagate the event to the parent if we received it from it |
| 521 | // in the first place |
| 522 | wxGenericMDIParentFrame * const parent = GetGenericMDIParent(); |
| 523 | if ( parent && parent->WXIsInsideChildHandler(this) ) |
| 524 | return false; |
| 525 | |
| 526 | return wxTDIChildFrame::TryParent(event); |
| 527 | } |
| 528 | |
| 529 | // ---------------------------------------------------------------------------- |
| 530 | // wxGenericMDIClientWindow |
| 531 | // ---------------------------------------------------------------------------- |
| 532 | |
| 533 | IMPLEMENT_DYNAMIC_CLASS(wxGenericMDIClientWindow, wxWindow) |
| 534 | |
| 535 | bool |
| 536 | wxGenericMDIClientWindow::CreateGenericClient(wxWindow *parent) |
| 537 | { |
| 538 | if ( !wxWindow::Create(parent, wxID_ANY) ) |
| 539 | return false; |
| 540 | |
| 541 | m_notebook = new wxNotebook(this, wxID_ANY); |
| 542 | m_notebook->Connect |
| 543 | ( |
| 544 | wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, |
| 545 | wxNotebookEventHandler( |
| 546 | wxGenericMDIClientWindow::OnPageChanged), |
| 547 | NULL, |
| 548 | this |
| 549 | ); |
| 550 | |
| 551 | // now that we have a notebook to resize, hook up OnSize() too |
| 552 | Connect(wxEVT_SIZE, wxSizeEventHandler(wxGenericMDIClientWindow::OnSize)); |
| 553 | |
| 554 | return true; |
| 555 | } |
| 556 | |
| 557 | wxBookCtrlBase *wxGenericMDIClientWindow::GetBookCtrl() const |
| 558 | { |
| 559 | return m_notebook; |
| 560 | } |
| 561 | |
| 562 | wxGenericMDIChildFrame *wxGenericMDIClientWindow::GetChild(size_t pos) const |
| 563 | { |
| 564 | return static_cast<wxGenericMDIChildFrame *>(GetBookCtrl()->GetPage(pos)); |
| 565 | } |
| 566 | |
| 567 | int wxGenericMDIClientWindow::FindChild(wxGenericMDIChildFrame *child) const |
| 568 | { |
| 569 | wxBookCtrlBase * const book = GetBookCtrl(); |
| 570 | const size_t count = book->GetPageCount(); |
| 571 | for ( size_t pos = 0; pos < count; pos++ ) |
| 572 | { |
| 573 | if ( book->GetPage(pos) == child ) |
| 574 | return pos; |
| 575 | } |
| 576 | |
| 577 | return wxNOT_FOUND; |
| 578 | } |
| 579 | |
| 580 | void wxGenericMDIClientWindow::PageChanged(int oldSelection, int newSelection) |
| 581 | { |
| 582 | // Don't do anything if nothing changed |
| 583 | if (oldSelection == newSelection) |
| 584 | return; |
| 585 | |
| 586 | // Again check if we really need to do this... |
| 587 | if (newSelection != -1) |
| 588 | { |
| 589 | wxGenericMDIChildFrame * const child = GetChild(newSelection); |
| 590 | |
| 591 | if ( child->GetGenericMDIParent()->WXIsActiveChild(child) ) |
| 592 | return; |
| 593 | } |
| 594 | |
| 595 | // Notify old active child that it has been deactivated |
| 596 | if (oldSelection != -1) |
| 597 | { |
| 598 | wxGenericMDIChildFrame * const oldChild = GetChild(oldSelection); |
| 599 | if (oldChild) |
| 600 | { |
| 601 | wxActivateEvent event(wxEVT_ACTIVATE, false, oldChild->GetId()); |
| 602 | event.SetEventObject( oldChild ); |
| 603 | oldChild->GetEventHandler()->ProcessEvent(event); |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | // Notify new active child that it has been activated |
| 608 | if (newSelection != -1) |
| 609 | { |
| 610 | wxGenericMDIChildFrame * const activeChild = GetChild(newSelection); |
| 611 | if ( activeChild ) |
| 612 | { |
| 613 | wxActivateEvent event(wxEVT_ACTIVATE, true, activeChild->GetId()); |
| 614 | event.SetEventObject( activeChild ); |
| 615 | activeChild->GetEventHandler()->ProcessEvent(event); |
| 616 | |
| 617 | wxGenericMDIParentFrame * const |
| 618 | parent = activeChild->GetGenericMDIParent(); |
| 619 | |
| 620 | if ( parent ) |
| 621 | { |
| 622 | // this is a dirty hack as activeChild is not really a |
| 623 | // wxMDIChildFrame at all but we still want to store it in the |
| 624 | // base class m_currentChild field and this will work as long |
| 625 | // as we only use as wxMDIChildFrameBase pointer (which it is) |
| 626 | parent->SetActiveChild( |
| 627 | reinterpret_cast<wxMDIChildFrame *>(activeChild)); |
| 628 | parent->WXSetChildMenuBar(activeChild); |
| 629 | } |
| 630 | } |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | void wxGenericMDIClientWindow::OnPageChanged(wxBookCtrlEvent& event) |
| 635 | { |
| 636 | PageChanged(event.GetOldSelection(), event.GetSelection()); |
| 637 | |
| 638 | event.Skip(); |
| 639 | } |
| 640 | |
| 641 | void wxGenericMDIClientWindow::OnSize(wxSizeEvent& WXUNUSED(event)) |
| 642 | { |
| 643 | m_notebook->SetSize(GetClientSize()); |
| 644 | } |
| 645 | |
| 646 | #endif // wxUSE_MDI |
| 647 | |