| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: mdi.cpp |
| 3 | // Purpose: MDI classes |
| 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 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "mdi.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 | #ifndef WX_PRECOMP |
| 32 | #include "wx/setup.h" |
| 33 | #include "wx/frame.h" |
| 34 | #include "wx/menu.h" |
| 35 | #include "wx/app.h" |
| 36 | #include "wx/utils.h" |
| 37 | #include "wx/dialog.h" |
| 38 | #include "wx/statusbr.h" |
| 39 | #include "wx/settings.h" |
| 40 | #include "wx/intl.h" |
| 41 | #include "wx/log.h" |
| 42 | #endif |
| 43 | |
| 44 | #include "wx/mdi.h" |
| 45 | #include "wx/msw/private.h" |
| 46 | |
| 47 | #if wxUSE_NATIVE_STATUSBAR |
| 48 | #include <wx/msw/statbr95.h> |
| 49 | #endif |
| 50 | |
| 51 | #include <string.h> |
| 52 | |
| 53 | // --------------------------------------------------------------------------- |
| 54 | // global variables |
| 55 | // --------------------------------------------------------------------------- |
| 56 | |
| 57 | extern wxWindowList wxModelessWindows; // from dialog.cpp |
| 58 | extern wxMenu *wxCurrentPopupMenu; |
| 59 | |
| 60 | extern wxChar wxMDIFrameClassName[]; |
| 61 | extern wxChar wxMDIChildFrameClassName[]; |
| 62 | extern wxWindow *wxWndHook; // from window.cpp |
| 63 | |
| 64 | extern wxList *wxWinHandleList; |
| 65 | |
| 66 | static HWND invalidHandle = 0; |
| 67 | |
| 68 | // --------------------------------------------------------------------------- |
| 69 | // constants |
| 70 | // --------------------------------------------------------------------------- |
| 71 | |
| 72 | static const int IDM_WINDOWTILE = 4001; |
| 73 | static const int IDM_WINDOWTILEHOR = 4001; |
| 74 | static const int IDM_WINDOWCASCADE = 4002; |
| 75 | static const int IDM_WINDOWICONS = 4003; |
| 76 | static const int IDM_WINDOWNEXT = 4004; |
| 77 | static const int IDM_WINDOWTILEVERT = 4005; |
| 78 | |
| 79 | // This range gives a maximum of 500 MDI children. Should be enough :-) |
| 80 | static const int wxFIRST_MDI_CHILD = 4100; |
| 81 | static const int wxLAST_MDI_CHILD = 4600; |
| 82 | |
| 83 | // Status border dimensions |
| 84 | static const int wxTHICK_LINE_BORDER = 3; |
| 85 | static const int wxTHICK_LINE_WIDTH = 1; |
| 86 | |
| 87 | // --------------------------------------------------------------------------- |
| 88 | // private functions |
| 89 | // --------------------------------------------------------------------------- |
| 90 | |
| 91 | // set the MDI menus (by sending the WM_MDISETMENU message) and update the menu |
| 92 | // of the parent of win (which is supposed to be the MDI client window) |
| 93 | static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow); |
| 94 | |
| 95 | // insert the window menu (subMenu) into menu just before "Help" submenu or at |
| 96 | // the very end if not found |
| 97 | static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu); |
| 98 | |
| 99 | // is this an id of an MDI child? |
| 100 | inline bool IsMdiCommandId(int id) |
| 101 | { |
| 102 | return (id >= wxFIRST_MDI_CHILD) && (id <= wxLAST_MDI_CHILD); |
| 103 | } |
| 104 | |
| 105 | static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam, |
| 106 | WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact); |
| 107 | |
| 108 | // =========================================================================== |
| 109 | // implementation |
| 110 | // =========================================================================== |
| 111 | |
| 112 | // --------------------------------------------------------------------------- |
| 113 | // wxWin macros |
| 114 | // --------------------------------------------------------------------------- |
| 115 | |
| 116 | #if !USE_SHARED_LIBRARY |
| 117 | IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame) |
| 118 | IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame) |
| 119 | IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow) |
| 120 | #endif // USE_SHARED_LIBRARY |
| 121 | |
| 122 | BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame) |
| 123 | EVT_SIZE(wxMDIParentFrame::OnSize) |
| 124 | EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged) |
| 125 | END_EVENT_TABLE() |
| 126 | |
| 127 | BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow) |
| 128 | EVT_SCROLL(wxMDIClientWindow::OnScroll) |
| 129 | END_EVENT_TABLE() |
| 130 | |
| 131 | // =========================================================================== |
| 132 | // wxMDIParentFrame: the frame which contains the client window which manages |
| 133 | // the children |
| 134 | // =========================================================================== |
| 135 | |
| 136 | wxMDIParentFrame::wxMDIParentFrame() |
| 137 | { |
| 138 | m_clientWindow = NULL; |
| 139 | m_currentChild = NULL; |
| 140 | m_windowMenu = 0; |
| 141 | m_parentFrameActive = TRUE; |
| 142 | } |
| 143 | |
| 144 | bool wxMDIParentFrame::Create(wxWindow *parent, |
| 145 | wxWindowID id, |
| 146 | const wxString& title, |
| 147 | const wxPoint& pos, |
| 148 | const wxSize& size, |
| 149 | long style, |
| 150 | const wxString& name) |
| 151 | { |
| 152 | m_defaultIcon = (WXHICON) (wxSTD_MDIPARENTFRAME_ICON ? wxSTD_MDIPARENTFRAME_ICON : wxDEFAULT_MDIPARENTFRAME_ICON); |
| 153 | |
| 154 | m_clientWindow = NULL; |
| 155 | m_currentChild = NULL; |
| 156 | m_windowMenu = 0; |
| 157 | m_parentFrameActive = TRUE; |
| 158 | |
| 159 | if (!parent) |
| 160 | wxTopLevelWindows.Append(this); |
| 161 | |
| 162 | SetName(name); |
| 163 | m_windowStyle = style; |
| 164 | |
| 165 | if (parent) parent->AddChild(this); |
| 166 | |
| 167 | if ( id > -1 ) |
| 168 | m_windowId = id; |
| 169 | else |
| 170 | m_windowId = (int)NewControlId(); |
| 171 | |
| 172 | int x = pos.x; |
| 173 | int y = pos.y; |
| 174 | int width = size.x; |
| 175 | int height = size.y; |
| 176 | |
| 177 | m_windowMenu = (WXHMENU) ::LoadMenu(wxGetInstance(), _T("wxWindowMenu")); |
| 178 | |
| 179 | DWORD msflags = WS_OVERLAPPED; |
| 180 | if (style & wxMINIMIZE_BOX) |
| 181 | msflags |= WS_MINIMIZEBOX; |
| 182 | if (style & wxMAXIMIZE_BOX) |
| 183 | msflags |= WS_MAXIMIZEBOX; |
| 184 | if (style & wxTHICK_FRAME) |
| 185 | msflags |= WS_THICKFRAME; |
| 186 | if (style & wxSYSTEM_MENU) |
| 187 | msflags |= WS_SYSMENU; |
| 188 | if ((style & wxMINIMIZE) || (style & wxICONIZE)) |
| 189 | msflags |= WS_MINIMIZE; |
| 190 | if (style & wxMAXIMIZE) |
| 191 | msflags |= WS_MAXIMIZE; |
| 192 | if (style & wxCAPTION) |
| 193 | msflags |= WS_CAPTION; |
| 194 | |
| 195 | if (style & wxCLIP_CHILDREN) |
| 196 | msflags |= WS_CLIPCHILDREN; |
| 197 | |
| 198 | wxWindow::MSWCreate(m_windowId, parent, wxMDIFrameClassName, this, title, x, y, width, height, |
| 199 | msflags); |
| 200 | |
| 201 | wxModelessWindows.Append(this); |
| 202 | |
| 203 | return TRUE; |
| 204 | } |
| 205 | |
| 206 | wxMDIParentFrame::~wxMDIParentFrame() |
| 207 | { |
| 208 | DestroyChildren(); |
| 209 | |
| 210 | ::DestroyMenu((HMENU)m_windowMenu); |
| 211 | m_windowMenu = 0; |
| 212 | |
| 213 | if ( m_clientWindow ) |
| 214 | { |
| 215 | if ( m_clientWindow->MSWGetOldWndProc() ) |
| 216 | m_clientWindow->UnsubclassWin(); |
| 217 | |
| 218 | m_clientWindow->SetHWND(0); |
| 219 | delete m_clientWindow; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | void wxMDIParentFrame::InternalSetMenuBar() |
| 224 | { |
| 225 | HMENU subMenu = GetSubMenu((HMENU) m_windowMenu, 0); |
| 226 | |
| 227 | m_parentFrameActive = TRUE; |
| 228 | |
| 229 | InsertWindowMenu(GetClientWindow(), m_hMenu, subMenu); |
| 230 | } |
| 231 | |
| 232 | void wxMDIParentFrame::OnSize(wxSizeEvent& event) |
| 233 | { |
| 234 | if ( GetClientWindow() ) |
| 235 | { |
| 236 | int width, height; |
| 237 | GetClientSize(&width, &height); |
| 238 | |
| 239 | GetClientWindow()->SetSize(0, 0, width, height); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | // Returns the active MDI child window |
| 244 | wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const |
| 245 | { |
| 246 | HWND hWnd = (HWND)::SendMessage(GetWinHwnd(GetClientWindow()), |
| 247 | WM_MDIGETACTIVE, 0, 0L); |
| 248 | if ( hWnd == 0 ) |
| 249 | return NULL; |
| 250 | else |
| 251 | return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd); |
| 252 | } |
| 253 | |
| 254 | // Create the client window class (don't Create the window, just return a new |
| 255 | // class) |
| 256 | wxMDIClientWindow *wxMDIParentFrame::OnCreateClient() |
| 257 | { |
| 258 | return new wxMDIClientWindow; |
| 259 | } |
| 260 | |
| 261 | // Responds to colour changes, and passes event on to children. |
| 262 | void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event) |
| 263 | { |
| 264 | if ( m_clientWindow ) |
| 265 | { |
| 266 | m_clientWindow->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE)); |
| 267 | m_clientWindow->Refresh(); |
| 268 | } |
| 269 | |
| 270 | event.Skip(); |
| 271 | } |
| 272 | |
| 273 | // --------------------------------------------------------------------------- |
| 274 | // MDI operations |
| 275 | // --------------------------------------------------------------------------- |
| 276 | |
| 277 | void wxMDIParentFrame::Cascade() |
| 278 | { |
| 279 | ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0); |
| 280 | } |
| 281 | |
| 282 | // TODO: add a direction argument (hor/vert) |
| 283 | void wxMDIParentFrame::Tile() |
| 284 | { |
| 285 | ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE, MDITILE_HORIZONTAL, 0); |
| 286 | } |
| 287 | |
| 288 | void wxMDIParentFrame::ArrangeIcons() |
| 289 | { |
| 290 | ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDIICONARRANGE, 0, 0); |
| 291 | } |
| 292 | |
| 293 | void wxMDIParentFrame::ActivateNext() |
| 294 | { |
| 295 | ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 0); |
| 296 | } |
| 297 | |
| 298 | void wxMDIParentFrame::ActivatePrevious() |
| 299 | { |
| 300 | ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 1); |
| 301 | } |
| 302 | |
| 303 | // --------------------------------------------------------------------------- |
| 304 | // the MDI parent frame window proc |
| 305 | // --------------------------------------------------------------------------- |
| 306 | |
| 307 | long wxMDIParentFrame::MSWWindowProc(WXUINT message, |
| 308 | WXWPARAM wParam, |
| 309 | WXLPARAM lParam) |
| 310 | { |
| 311 | long rc = 0; |
| 312 | bool processed = FALSE; |
| 313 | |
| 314 | switch ( message ) |
| 315 | { |
| 316 | case WM_ACTIVATE: |
| 317 | { |
| 318 | WXWORD state, minimized; |
| 319 | WXHWND hwnd; |
| 320 | UnpackActivate(wParam, lParam, &state, &minimized, &hwnd); |
| 321 | |
| 322 | processed = HandleActivate(state, minimized != 0, hwnd); |
| 323 | } |
| 324 | break; |
| 325 | |
| 326 | case WM_COMMAND: |
| 327 | { |
| 328 | WXWORD id, cmd; |
| 329 | WXHWND hwnd; |
| 330 | UnpackCommand(wParam, lParam, &id, &hwnd, &cmd); |
| 331 | |
| 332 | (void)HandleCommand(id, cmd, hwnd); |
| 333 | |
| 334 | // even if the frame didn't process it, there is no need to try it |
| 335 | // once again (i.e. call wxFrame::HandleCommand()) - we just dud it, |
| 336 | // so pretend we processed the message anyhow |
| 337 | processed = TRUE; |
| 338 | } |
| 339 | |
| 340 | // always pass this message DefFrameProc(), otherwise MDI menu |
| 341 | // commands (and sys commands - more surprizingly!) won't work |
| 342 | MSWDefWindowProc(message, wParam, lParam); |
| 343 | break; |
| 344 | |
| 345 | case WM_CREATE: |
| 346 | m_clientWindow = OnCreateClient(); |
| 347 | // Uses own style for client style |
| 348 | if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) ) |
| 349 | { |
| 350 | wxLogMessage(_("Failed to create MDI parent frame.")); |
| 351 | |
| 352 | rc = -1; |
| 353 | } |
| 354 | |
| 355 | processed = TRUE; |
| 356 | break; |
| 357 | |
| 358 | case WM_ERASEBKGND: |
| 359 | processed = TRUE; |
| 360 | |
| 361 | // we erase background ourselves |
| 362 | rc = TRUE; |
| 363 | break; |
| 364 | |
| 365 | case WM_MENUSELECT: |
| 366 | { |
| 367 | WXWORD item, flags; |
| 368 | WXHMENU hmenu; |
| 369 | UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu); |
| 370 | |
| 371 | if ( m_parentFrameActive ) |
| 372 | { |
| 373 | processed = HandleMenuSelect(item, flags, hmenu); |
| 374 | } |
| 375 | else if (m_currentChild) |
| 376 | { |
| 377 | processed = m_currentChild-> |
| 378 | HandleMenuSelect(item, flags, hmenu); |
| 379 | } |
| 380 | } |
| 381 | break; |
| 382 | |
| 383 | case WM_SIZE: |
| 384 | // as we don't (usually) resize the MDI client to exactly fit the |
| 385 | // client area (we put it below the toolbar, above statusbar &c), |
| 386 | // we should not pass this one to DefFrameProc |
| 387 | break; |
| 388 | } |
| 389 | |
| 390 | if ( !processed ) |
| 391 | rc = wxFrame::MSWWindowProc(message, wParam, lParam); |
| 392 | |
| 393 | return rc; |
| 394 | } |
| 395 | |
| 396 | bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate) |
| 397 | { |
| 398 | bool processed = FALSE; |
| 399 | |
| 400 | if ( wxWindow::HandleActivate(state, minimized, activate) ) |
| 401 | { |
| 402 | // already processed |
| 403 | processed = TRUE; |
| 404 | } |
| 405 | |
| 406 | // If this window is an MDI parent, we must also send an OnActivate message |
| 407 | // to the current child. |
| 408 | if ( (m_currentChild != NULL) && |
| 409 | ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) ) |
| 410 | { |
| 411 | wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_currentChild->GetId()); |
| 412 | event.SetEventObject( m_currentChild ); |
| 413 | if ( m_currentChild->GetEventHandler()->ProcessEvent(event) ) |
| 414 | processed = TRUE; |
| 415 | } |
| 416 | |
| 417 | return processed; |
| 418 | } |
| 419 | |
| 420 | bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) |
| 421 | { |
| 422 | // In case it's e.g. a toolbar. |
| 423 | if ( hwnd ) |
| 424 | { |
| 425 | wxWindow *win = wxFindWinFromHandle(hwnd); |
| 426 | if ( win ) |
| 427 | return win->MSWCommand(cmd, id); |
| 428 | } |
| 429 | |
| 430 | // is it one of standard MDI commands? |
| 431 | WXWPARAM wParam = 0; |
| 432 | int msg; |
| 433 | switch ( id ) |
| 434 | { |
| 435 | case IDM_WINDOWCASCADE: |
| 436 | msg = WM_MDICASCADE; |
| 437 | wParam = MDITILE_SKIPDISABLED; |
| 438 | break; |
| 439 | |
| 440 | case IDM_WINDOWTILEHOR: |
| 441 | wParam |= MDITILE_HORIZONTAL; |
| 442 | // fall through |
| 443 | |
| 444 | case IDM_WINDOWTILEVERT: |
| 445 | if ( !wParam ) |
| 446 | wParam = MDITILE_VERTICAL; |
| 447 | msg = WM_MDITILE; |
| 448 | wParam |= MDITILE_SKIPDISABLED; |
| 449 | break; |
| 450 | |
| 451 | case IDM_WINDOWICONS: |
| 452 | msg = WM_MDIICONARRANGE; |
| 453 | break; |
| 454 | |
| 455 | case IDM_WINDOWNEXT: |
| 456 | msg = WM_MDINEXT; |
| 457 | break; |
| 458 | |
| 459 | default: |
| 460 | msg = 0; |
| 461 | } |
| 462 | |
| 463 | if ( msg ) |
| 464 | { |
| 465 | ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, 0); |
| 466 | |
| 467 | return TRUE; |
| 468 | } |
| 469 | |
| 470 | // FIXME VZ: what does this test do?? |
| 471 | if (id >= 0xF000) |
| 472 | { |
| 473 | return FALSE; // Get WndProc to call default proc |
| 474 | } |
| 475 | |
| 476 | if ( IsMdiCommandId(id) ) |
| 477 | { |
| 478 | wxWindowList::Node* node = GetChildren().GetFirst(); |
| 479 | while ( node ) |
| 480 | { |
| 481 | wxWindow* child = node->GetData(); |
| 482 | if ( child->GetHWND() ) |
| 483 | { |
| 484 | long childId = wxGetWindowId(child->GetHWND()); |
| 485 | if (childId == id) |
| 486 | { |
| 487 | ::SendMessage( GetWinHwnd(GetClientWindow()), |
| 488 | WM_MDIACTIVATE, |
| 489 | (WPARAM)child->GetHWND(), 0); |
| 490 | return TRUE; |
| 491 | } |
| 492 | } |
| 493 | node = node->GetNext(); |
| 494 | } |
| 495 | } |
| 496 | else if ( m_parentFrameActive ) |
| 497 | { |
| 498 | return ProcessCommand(id); |
| 499 | } |
| 500 | else if ( m_currentChild ) |
| 501 | { |
| 502 | return m_currentChild->HandleCommand(id, cmd, hwnd); |
| 503 | } |
| 504 | else |
| 505 | { |
| 506 | // this shouldn't happen because it means that our messages are being |
| 507 | // lost (they're not sent to the parent frame nor to the children) |
| 508 | wxFAIL_MSG(_T("MDI parent frame is not active, " |
| 509 | "yet there is no active MDI child?")); |
| 510 | } |
| 511 | |
| 512 | return FALSE; |
| 513 | } |
| 514 | |
| 515 | long wxMDIParentFrame::MSWDefWindowProc(WXUINT message, |
| 516 | WXWPARAM wParam, |
| 517 | WXLPARAM lParam) |
| 518 | { |
| 519 | WXHWND clientWnd; |
| 520 | if ( GetClientWindow() ) |
| 521 | clientWnd = GetClientWindow()->GetHWND(); |
| 522 | else |
| 523 | clientWnd = 0; |
| 524 | |
| 525 | return DefFrameProc(GetHwnd(), (HWND)clientWnd, message, wParam, lParam); |
| 526 | } |
| 527 | |
| 528 | bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg) |
| 529 | { |
| 530 | MSG *pMsg = (MSG *)msg; |
| 531 | |
| 532 | if ( m_currentChild && m_currentChild->GetHWND() && |
| 533 | m_currentChild->MSWTranslateMessage(msg) ) |
| 534 | { |
| 535 | return TRUE; |
| 536 | } |
| 537 | |
| 538 | if ( m_acceleratorTable.Translate(this, msg) ) |
| 539 | { |
| 540 | return TRUE; |
| 541 | } |
| 542 | |
| 543 | if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN ) |
| 544 | { |
| 545 | if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg)) |
| 546 | return TRUE; |
| 547 | } |
| 548 | |
| 549 | return FALSE; |
| 550 | } |
| 551 | |
| 552 | // =========================================================================== |
| 553 | // wxMDIChildFrame |
| 554 | // =========================================================================== |
| 555 | |
| 556 | wxMDIChildFrame::wxMDIChildFrame() |
| 557 | { |
| 558 | } |
| 559 | |
| 560 | bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, |
| 561 | wxWindowID id, |
| 562 | const wxString& title, |
| 563 | const wxPoint& pos, |
| 564 | const wxSize& size, |
| 565 | long style, |
| 566 | const wxString& name) |
| 567 | { |
| 568 | m_defaultIcon = (WXHICON)(wxSTD_MDICHILDFRAME_ICON ? wxSTD_MDICHILDFRAME_ICON |
| 569 | : wxDEFAULT_MDICHILDFRAME_ICON); |
| 570 | |
| 571 | SetName(name); |
| 572 | |
| 573 | if ( id > -1 ) |
| 574 | m_windowId = id; |
| 575 | else |
| 576 | m_windowId = (int)NewControlId(); |
| 577 | |
| 578 | if ( parent ) |
| 579 | { |
| 580 | parent->AddChild(this); |
| 581 | } |
| 582 | |
| 583 | wxWndHook = this; |
| 584 | |
| 585 | int x = pos.x; |
| 586 | int y = pos.y; |
| 587 | int width = size.x; |
| 588 | int height = size.y; |
| 589 | |
| 590 | MDICREATESTRUCT mcs; |
| 591 | |
| 592 | mcs.szClass = wxMDIChildFrameClassName; |
| 593 | mcs.szTitle = title; |
| 594 | mcs.hOwner = wxGetInstance(); |
| 595 | if (x > -1) |
| 596 | mcs.x = x; |
| 597 | else |
| 598 | mcs.x = CW_USEDEFAULT; |
| 599 | |
| 600 | if (y > -1) |
| 601 | mcs.y = y; |
| 602 | else |
| 603 | mcs.y = CW_USEDEFAULT; |
| 604 | |
| 605 | if (width > -1) |
| 606 | mcs.cx = width; |
| 607 | else |
| 608 | mcs.cx = CW_USEDEFAULT; |
| 609 | |
| 610 | if (height > -1) |
| 611 | mcs.cy = height; |
| 612 | else |
| 613 | mcs.cy = CW_USEDEFAULT; |
| 614 | |
| 615 | DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN; |
| 616 | if (style & wxMINIMIZE_BOX) |
| 617 | msflags |= WS_MINIMIZEBOX; |
| 618 | if (style & wxMAXIMIZE_BOX) |
| 619 | msflags |= WS_MAXIMIZEBOX; |
| 620 | if (style & wxTHICK_FRAME) |
| 621 | msflags |= WS_THICKFRAME; |
| 622 | if (style & wxSYSTEM_MENU) |
| 623 | msflags |= WS_SYSMENU; |
| 624 | if ((style & wxMINIMIZE) || (style & wxICONIZE)) |
| 625 | msflags |= WS_MINIMIZE; |
| 626 | if (style & wxMAXIMIZE) |
| 627 | msflags |= WS_MAXIMIZE; |
| 628 | if (style & wxCAPTION) |
| 629 | msflags |= WS_CAPTION; |
| 630 | |
| 631 | mcs.style = msflags; |
| 632 | |
| 633 | mcs.lParam = 0; |
| 634 | |
| 635 | DWORD Return = SendMessage(GetWinHwnd(parent->GetClientWindow()), |
| 636 | WM_MDICREATE, 0, (LONG)(LPSTR)&mcs); |
| 637 | |
| 638 | //handle = (HWND)LOWORD(Return); |
| 639 | // Must be the DWORRD for WIN32. And in 16 bits, HIWORD=0 (says Microsoft) |
| 640 | m_hWnd = (WXHWND)Return; |
| 641 | |
| 642 | wxWndHook = NULL; |
| 643 | wxWinHandleList->Append((long)GetHWND(), this); |
| 644 | |
| 645 | // VZ: what's this? an act of piracy? |
| 646 | //SetWindowLong(GetHwnd(), 0, (long)this); |
| 647 | |
| 648 | wxModelessWindows.Append(this); |
| 649 | return TRUE; |
| 650 | } |
| 651 | |
| 652 | wxMDIChildFrame::~wxMDIChildFrame() |
| 653 | { |
| 654 | MSWDestroyWindow(); |
| 655 | } |
| 656 | |
| 657 | // Set the client size (i.e. leave the calculation of borders etc. |
| 658 | // to wxWindows) |
| 659 | void wxMDIChildFrame::DoSetClientSize(int width, int height) |
| 660 | { |
| 661 | HWND hWnd = GetHwnd(); |
| 662 | |
| 663 | RECT rect; |
| 664 | ::GetClientRect(hWnd, &rect); |
| 665 | |
| 666 | RECT rect2; |
| 667 | GetWindowRect(hWnd, &rect2); |
| 668 | |
| 669 | // Find the difference between the entire window (title bar and all) |
| 670 | // and the client area; add this to the new client size to move the |
| 671 | // window |
| 672 | int actual_width = rect2.right - rect2.left - rect.right + width; |
| 673 | int actual_height = rect2.bottom - rect2.top - rect.bottom + height; |
| 674 | |
| 675 | if (GetStatusBar()) |
| 676 | { |
| 677 | int sx, sy; |
| 678 | GetStatusBar()->GetSize(&sx, &sy); |
| 679 | actual_height += sy; |
| 680 | } |
| 681 | |
| 682 | POINT point; |
| 683 | point.x = rect2.left; |
| 684 | point.y = rect2.top; |
| 685 | |
| 686 | // If there's an MDI parent, must subtract the parent's top left corner |
| 687 | // since MoveWindow moves relative to the parent |
| 688 | wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent(); |
| 689 | ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point); |
| 690 | |
| 691 | MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE); |
| 692 | |
| 693 | wxSizeEvent event(wxSize(width, height), m_windowId); |
| 694 | event.SetEventObject( this ); |
| 695 | GetEventHandler()->ProcessEvent(event); |
| 696 | } |
| 697 | |
| 698 | void wxMDIChildFrame::DoGetPosition(int *x, int *y) const |
| 699 | { |
| 700 | RECT rect; |
| 701 | GetWindowRect(GetHwnd(), &rect); |
| 702 | POINT point; |
| 703 | point.x = rect.left; |
| 704 | point.y = rect.top; |
| 705 | |
| 706 | // Since we now have the absolute screen coords, |
| 707 | // if there's a parent we must subtract its top left corner |
| 708 | wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent(); |
| 709 | ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point); |
| 710 | |
| 711 | *x = point.x; |
| 712 | *y = point.y; |
| 713 | } |
| 714 | |
| 715 | void wxMDIChildFrame::InternalSetMenuBar() |
| 716 | { |
| 717 | wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); |
| 718 | |
| 719 | HMENU subMenu = GetSubMenu((HMENU)parent->GetWindowMenu(), 0); |
| 720 | |
| 721 | InsertWindowMenu(parent->GetClientWindow(), m_hMenu, subMenu); |
| 722 | |
| 723 | parent->m_parentFrameActive = FALSE; |
| 724 | } |
| 725 | |
| 726 | // --------------------------------------------------------------------------- |
| 727 | // MDI operations |
| 728 | // --------------------------------------------------------------------------- |
| 729 | |
| 730 | void wxMDIChildFrame::Maximize(bool maximize) |
| 731 | { |
| 732 | wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); |
| 733 | if ( parent && parent->GetClientWindow() ) |
| 734 | { |
| 735 | ::SendMessage(GetWinHwnd(parent->GetClientWindow()), |
| 736 | maximize ? WM_MDIMAXIMIZE : WM_MDIRESTORE, |
| 737 | (WPARAM)GetHwnd(), 0); |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | void wxMDIChildFrame::Restore() |
| 742 | { |
| 743 | wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); |
| 744 | if ( parent && parent->GetClientWindow() ) |
| 745 | { |
| 746 | ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIRESTORE, |
| 747 | (WPARAM) GetHwnd(), 0); |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | void wxMDIChildFrame::Activate() |
| 752 | { |
| 753 | wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); |
| 754 | if ( parent && parent->GetClientWindow() ) |
| 755 | { |
| 756 | ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIACTIVATE, |
| 757 | (WPARAM) GetHwnd(), 0); |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | // --------------------------------------------------------------------------- |
| 762 | // MDI window proc and message handlers |
| 763 | // --------------------------------------------------------------------------- |
| 764 | |
| 765 | long wxMDIChildFrame::MSWWindowProc(WXUINT message, |
| 766 | WXWPARAM wParam, |
| 767 | WXLPARAM lParam) |
| 768 | { |
| 769 | long rc = 0; |
| 770 | bool processed = FALSE; |
| 771 | |
| 772 | switch ( message ) |
| 773 | { |
| 774 | case WM_COMMAND: |
| 775 | { |
| 776 | WORD id, cmd; |
| 777 | WXHWND hwnd; |
| 778 | UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam, |
| 779 | &id, &hwnd, &cmd); |
| 780 | |
| 781 | processed = HandleCommand(id, cmd, (WXHWND)hwnd); |
| 782 | } |
| 783 | break; |
| 784 | |
| 785 | case WM_GETMINMAXINFO: |
| 786 | // let the default window proc calculate the size of MDI children |
| 787 | // frames because it is based on the size of the MDI client window, |
| 788 | // not on the values specified in wxWindow m_min/max variables |
| 789 | return MSWDefWindowProc(message, wParam, lParam); |
| 790 | |
| 791 | case WM_MDIACTIVATE: |
| 792 | { |
| 793 | WXWORD act; |
| 794 | WXHWND hwndAct, hwndDeact; |
| 795 | UnpackMDIActivate(wParam, lParam, &act, &hwndAct, &hwndDeact); |
| 796 | |
| 797 | processed = HandleMDIActivate(act, hwndAct, hwndDeact); |
| 798 | } |
| 799 | // fall through |
| 800 | |
| 801 | case WM_MOVE: |
| 802 | // must pass WM_MOVE to DefMDIChildProc() to recalculate MDI client |
| 803 | // scrollbars if necessary |
| 804 | |
| 805 | // fall through |
| 806 | |
| 807 | case WM_SIZE: |
| 808 | // must pass WM_SIZE to DefMDIChildProc(), otherwise many weird |
| 809 | // things happen |
| 810 | MSWDefWindowProc(message, wParam, lParam); |
| 811 | break; |
| 812 | |
| 813 | case WM_SYSCOMMAND: |
| 814 | // DefMDIChildProc handles SC_{NEXT/PREV}WINDOW here, so pass it |
| 815 | // the message (the base class version does not) |
| 816 | return MSWDefWindowProc(message, wParam, lParam); |
| 817 | |
| 818 | case WM_WINDOWPOSCHANGING: |
| 819 | processed = HandleWindowPosChanging((LPWINDOWPOS)lParam); |
| 820 | break; |
| 821 | } |
| 822 | |
| 823 | if ( !processed ) |
| 824 | rc = wxFrame::MSWWindowProc(message, wParam, lParam); |
| 825 | |
| 826 | return rc; |
| 827 | } |
| 828 | |
| 829 | bool wxMDIChildFrame::HandleSize(int x, int y, WXUINT id) |
| 830 | { |
| 831 | HWND hwnd = GetHwnd(); |
| 832 | |
| 833 | if ( !hwnd || hwnd == invalidHandle ) |
| 834 | { |
| 835 | return FALSE; |
| 836 | } |
| 837 | |
| 838 | switch (id) |
| 839 | { |
| 840 | case SIZEFULLSCREEN: |
| 841 | case SIZENORMAL: |
| 842 | m_iconized = FALSE; |
| 843 | break; |
| 844 | |
| 845 | case SIZEICONIC: |
| 846 | m_iconized = TRUE; |
| 847 | break; |
| 848 | } |
| 849 | |
| 850 | if ( !m_iconized ) |
| 851 | { |
| 852 | // forward WM_SIZE to status bar control |
| 853 | #if wxUSE_NATIVE_STATUSBAR |
| 854 | if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))) |
| 855 | { |
| 856 | wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId()); |
| 857 | event.SetEventObject( m_frameStatusBar ); |
| 858 | |
| 859 | ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event); |
| 860 | } |
| 861 | #endif // wxUSE_NATIVE_STATUSBAR |
| 862 | |
| 863 | PositionStatusBar(); |
| 864 | PositionToolBar(); |
| 865 | |
| 866 | return wxWindow::HandleSize(x, y, id); |
| 867 | } |
| 868 | else |
| 869 | { |
| 870 | return FALSE; |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) |
| 875 | { |
| 876 | // In case it's e.g. a toolbar. |
| 877 | if ( hwnd ) |
| 878 | { |
| 879 | wxWindow *win = wxFindWinFromHandle(hwnd); |
| 880 | if (win) |
| 881 | return win->MSWCommand(cmd, id); |
| 882 | } |
| 883 | |
| 884 | if (wxCurrentPopupMenu) |
| 885 | { |
| 886 | wxMenu *popupMenu = wxCurrentPopupMenu; |
| 887 | wxCurrentPopupMenu = NULL; |
| 888 | if (popupMenu->MSWCommand(cmd, id)) |
| 889 | return TRUE; |
| 890 | } |
| 891 | |
| 892 | if (GetMenuBar() && GetMenuBar()->FindItemForId(id)) |
| 893 | { |
| 894 | ProcessCommand(id); |
| 895 | return TRUE; |
| 896 | } |
| 897 | else |
| 898 | return FALSE; |
| 899 | |
| 900 | return TRUE; |
| 901 | } |
| 902 | |
| 903 | bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate), |
| 904 | WXHWND hwndAct, |
| 905 | WXHWND hwndDeact) |
| 906 | { |
| 907 | wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); |
| 908 | |
| 909 | HMENU menuToSet = 0; |
| 910 | |
| 911 | bool activated; |
| 912 | |
| 913 | if ( m_hWnd == hwndAct ) |
| 914 | { |
| 915 | activated = TRUE; |
| 916 | parent->m_currentChild = this; |
| 917 | |
| 918 | HMENU child_menu = (HMENU)GetWinMenu(); |
| 919 | if ( child_menu ) |
| 920 | { |
| 921 | parent->m_parentFrameActive = FALSE; |
| 922 | |
| 923 | menuToSet = child_menu; |
| 924 | } |
| 925 | } |
| 926 | else if ( m_hWnd == hwndDeact ) |
| 927 | { |
| 928 | wxASSERT_MSG( parent->m_currentChild == this, |
| 929 | _T("can't deactivate MDI child which wasn't active!") ); |
| 930 | |
| 931 | activated = FALSE; |
| 932 | parent->m_currentChild = NULL; |
| 933 | |
| 934 | HMENU parent_menu = (HMENU)parent->GetWinMenu(); |
| 935 | if ( parent_menu ) |
| 936 | { |
| 937 | parent->m_parentFrameActive = TRUE; |
| 938 | |
| 939 | menuToSet = parent_menu; |
| 940 | } |
| 941 | } |
| 942 | else |
| 943 | { |
| 944 | // we have nothing to with it |
| 945 | return FALSE; |
| 946 | } |
| 947 | |
| 948 | if ( menuToSet ) |
| 949 | { |
| 950 | HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0); |
| 951 | |
| 952 | MDISetMenu(parent->GetClientWindow(), menuToSet, subMenu); |
| 953 | } |
| 954 | |
| 955 | wxActivateEvent event(wxEVT_ACTIVATE, activated, m_windowId); |
| 956 | event.SetEventObject( this ); |
| 957 | |
| 958 | return GetEventHandler()->ProcessEvent(event); |
| 959 | } |
| 960 | |
| 961 | bool wxMDIChildFrame::HandleWindowPosChanging(void *pos) |
| 962 | { |
| 963 | WINDOWPOS *lpPos = (WINDOWPOS *)pos; |
| 964 | #if defined(__WIN95__) |
| 965 | if (!(lpPos->flags & SWP_NOSIZE)) |
| 966 | { |
| 967 | RECT rectClient; |
| 968 | DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE); |
| 969 | DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); |
| 970 | if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE)) |
| 971 | { |
| 972 | ::AdjustWindowRectEx(&rectClient, dwStyle, FALSE, dwExStyle); |
| 973 | lpPos->x = rectClient.left; |
| 974 | lpPos->y = rectClient.top; |
| 975 | lpPos->cx = rectClient.right - rectClient.left; |
| 976 | lpPos->cy = rectClient.bottom - rectClient.top; |
| 977 | } |
| 978 | wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent(); |
| 979 | if (pFrameWnd && pFrameWnd->GetToolBar()) |
| 980 | { |
| 981 | pFrameWnd->GetToolBar()->Refresh(); |
| 982 | } |
| 983 | } |
| 984 | #endif // Win95 |
| 985 | |
| 986 | return FALSE; |
| 987 | } |
| 988 | |
| 989 | // --------------------------------------------------------------------------- |
| 990 | // MDI specific message translation/preprocessing |
| 991 | // --------------------------------------------------------------------------- |
| 992 | |
| 993 | long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM lParam) |
| 994 | { |
| 995 | return DefMDIChildProc(GetHwnd(), |
| 996 | (UINT)message, (WPARAM)wParam, (LPARAM)lParam); |
| 997 | } |
| 998 | |
| 999 | bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg) |
| 1000 | { |
| 1001 | return m_acceleratorTable.Translate(GetParent(), msg); |
| 1002 | } |
| 1003 | |
| 1004 | // --------------------------------------------------------------------------- |
| 1005 | // misc |
| 1006 | // --------------------------------------------------------------------------- |
| 1007 | |
| 1008 | void wxMDIChildFrame::MSWDestroyWindow() |
| 1009 | { |
| 1010 | MSWDetachWindowMenu(); |
| 1011 | invalidHandle = GetHwnd(); |
| 1012 | |
| 1013 | wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); |
| 1014 | |
| 1015 | // Must make sure this handle is invalidated (set to NULL) since all sorts |
| 1016 | // of things could happen after the child client is destroyed, but before |
| 1017 | // the wxFrame is destroyed. |
| 1018 | |
| 1019 | HWND oldHandle = (HWND)GetHWND(); |
| 1020 | SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIDESTROY, |
| 1021 | (WPARAM)oldHandle, 0); |
| 1022 | invalidHandle = 0; |
| 1023 | |
| 1024 | if (m_hMenu) |
| 1025 | { |
| 1026 | ::DestroyMenu((HMENU) m_hMenu); |
| 1027 | m_hMenu = 0; |
| 1028 | } |
| 1029 | m_hWnd = 0; |
| 1030 | } |
| 1031 | |
| 1032 | // Change the client window's extended style so we don't get a client edge |
| 1033 | // style when a child is maximised (a double border looks silly.) |
| 1034 | bool wxMDIChildFrame::ResetWindowStyle(void *vrect) |
| 1035 | { |
| 1036 | #if defined(__WIN95__) |
| 1037 | RECT *rect = (RECT *)vrect; |
| 1038 | wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent(); |
| 1039 | wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild(); |
| 1040 | if (!pChild || (pChild == this)) |
| 1041 | { |
| 1042 | DWORD dwStyle = ::GetWindowLong(GetWinHwnd(pFrameWnd->GetClientWindow()), GWL_EXSTYLE); |
| 1043 | DWORD dwThisStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); |
| 1044 | DWORD dwNewStyle = dwStyle; |
| 1045 | if (pChild != NULL && (dwThisStyle & WS_MAXIMIZE)) |
| 1046 | dwNewStyle &= ~(WS_EX_CLIENTEDGE); |
| 1047 | else |
| 1048 | dwNewStyle |= WS_EX_CLIENTEDGE; |
| 1049 | |
| 1050 | if (dwStyle != dwNewStyle) |
| 1051 | { |
| 1052 | HWND hwnd = GetWinHwnd(pFrameWnd->GetClientWindow()); |
| 1053 | ::RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN); |
| 1054 | ::SetWindowLong(hwnd, GWL_EXSTYLE, dwNewStyle); |
| 1055 | ::SetWindowPos(hwnd, NULL, 0, 0, 0, 0, |
| 1056 | SWP_FRAMECHANGED | SWP_NOACTIVATE | |
| 1057 | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | |
| 1058 | SWP_NOCOPYBITS); |
| 1059 | if (rect) |
| 1060 | ::GetClientRect(hwnd, rect); |
| 1061 | |
| 1062 | return TRUE; |
| 1063 | } |
| 1064 | } |
| 1065 | #endif // Win95 |
| 1066 | |
| 1067 | return FALSE; |
| 1068 | } |
| 1069 | |
| 1070 | // =========================================================================== |
| 1071 | // wxMDIClientWindow: the window of predefined (by Windows) class which |
| 1072 | // contains the child frames |
| 1073 | // =========================================================================== |
| 1074 | |
| 1075 | bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style) |
| 1076 | { |
| 1077 | m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE); |
| 1078 | |
| 1079 | CLIENTCREATESTRUCT ccs; |
| 1080 | m_windowStyle = style; |
| 1081 | m_parent = parent; |
| 1082 | |
| 1083 | ccs.hWindowMenu = (HMENU)parent->GetWindowMenu(); |
| 1084 | ccs.idFirstChild = wxFIRST_MDI_CHILD; |
| 1085 | |
| 1086 | DWORD msStyle = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN; |
| 1087 | if ( style & wxHSCROLL ) |
| 1088 | msStyle |= WS_HSCROLL; |
| 1089 | if ( style & wxVSCROLL ) |
| 1090 | msStyle |= WS_VSCROLL; |
| 1091 | |
| 1092 | #if defined(__WIN95__) |
| 1093 | DWORD exStyle = WS_EX_CLIENTEDGE; |
| 1094 | #else |
| 1095 | DWORD exStyle = 0; |
| 1096 | #endif |
| 1097 | |
| 1098 | wxWndHook = this; |
| 1099 | m_hWnd = (WXHWND)::CreateWindowEx |
| 1100 | ( |
| 1101 | exStyle, |
| 1102 | _T("MDICLIENT"), |
| 1103 | NULL, |
| 1104 | msStyle, |
| 1105 | 0, 0, 0, 0, |
| 1106 | GetWinHwnd(parent), |
| 1107 | NULL, |
| 1108 | wxGetInstance(), |
| 1109 | (LPSTR)(LPCLIENTCREATESTRUCT)&ccs); |
| 1110 | if ( !m_hWnd ) |
| 1111 | { |
| 1112 | wxLogLastError("CreateWindowEx(MDI client)"); |
| 1113 | |
| 1114 | return FALSE; |
| 1115 | } |
| 1116 | |
| 1117 | SubclassWin(m_hWnd); |
| 1118 | wxWndHook = NULL; |
| 1119 | |
| 1120 | return TRUE; |
| 1121 | } |
| 1122 | |
| 1123 | // Explicitly call default scroll behaviour |
| 1124 | void wxMDIClientWindow::OnScroll(wxScrollEvent& event) |
| 1125 | { |
| 1126 | // Note: for client windows, the scroll position is not set in |
| 1127 | // WM_HSCROLL, WM_VSCROLL, so we can't easily determine what |
| 1128 | // scroll position we're at. |
| 1129 | // This makes it hard to paint patterns or bitmaps in the background, |
| 1130 | // and have the client area scrollable as well. |
| 1131 | |
| 1132 | if ( event.GetOrientation() == wxHORIZONTAL ) |
| 1133 | m_scrollX = event.GetPosition(); // Always returns zero! |
| 1134 | else |
| 1135 | m_scrollY = event.GetPosition(); // Always returns zero! |
| 1136 | |
| 1137 | event.Skip(); |
| 1138 | } |
| 1139 | |
| 1140 | // --------------------------------------------------------------------------- |
| 1141 | // non member functions |
| 1142 | // --------------------------------------------------------------------------- |
| 1143 | |
| 1144 | static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow) |
| 1145 | { |
| 1146 | ::SendMessage(GetWinHwnd(win), WM_MDISETMENU, |
| 1147 | #ifdef __WIN32__ |
| 1148 | (WPARAM)hmenuFrame, (LPARAM)hmenuWindow); |
| 1149 | #else |
| 1150 | 0, MAKELPARAM(hmenuFrame, hmenuWindow)); |
| 1151 | #endif |
| 1152 | |
| 1153 | // update menu bar of the parent window |
| 1154 | wxWindow *parent = win->GetParent(); |
| 1155 | wxCHECK_RET( parent, _T("MDI client without parent frame? weird...") ); |
| 1156 | |
| 1157 | ::DrawMenuBar(GetWinHwnd(parent)); |
| 1158 | } |
| 1159 | |
| 1160 | static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu) |
| 1161 | { |
| 1162 | // Try to insert Window menu in front of Help, otherwise append it. |
| 1163 | HMENU hmenu = (HMENU)menu; |
| 1164 | int N = GetMenuItemCount(hmenu); |
| 1165 | bool success = FALSE; |
| 1166 | for ( int i = 0; i < N; i++ ) |
| 1167 | { |
| 1168 | wxChar buf[256]; |
| 1169 | int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION); |
| 1170 | if ( chars == 0 ) |
| 1171 | { |
| 1172 | wxLogLastError(_T("GetMenuString")); |
| 1173 | |
| 1174 | continue; |
| 1175 | } |
| 1176 | |
| 1177 | if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_T("Help")) ) |
| 1178 | { |
| 1179 | success = TRUE; |
| 1180 | ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING, |
| 1181 | (UINT)subMenu, _T("&Window")); |
| 1182 | break; |
| 1183 | } |
| 1184 | } |
| 1185 | |
| 1186 | if ( !success ) |
| 1187 | { |
| 1188 | ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _T("&Window")); |
| 1189 | } |
| 1190 | |
| 1191 | MDISetMenu(win, hmenu, subMenu); |
| 1192 | } |
| 1193 | |
| 1194 | static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam, |
| 1195 | WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact) |
| 1196 | { |
| 1197 | #ifdef __WIN32__ |
| 1198 | *activate = TRUE; |
| 1199 | *hwndAct = (WXHWND)lParam; |
| 1200 | *hwndDeact = (WXHWND)wParam; |
| 1201 | #else // Win16 |
| 1202 | *activate = (WXWORD)wParam; |
| 1203 | *hwndAct = (WXHWND)LOWORD(lParam); |
| 1204 | *hwndDeact = (WXHWND)HIWORD(lParam); |
| 1205 | #endif // Win32/Win16 |
| 1206 | } |