src/msw/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "frame.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/frame.h"
  33     #include "wx/app.h"
  34     #include "wx/menu.h"
  35     #include "wx/utils.h"
  36     #include "wx/dialog.h"
  37     #include "wx/settings.h"
  38     #include "wx/dcclient.h"
  39     #include "wx/mdi.h"
  40     #include "wx/panel.h"
  41 #endif // WX_PRECOMP
  42
  43 #include "wx/msw/private.h"
  44
  45 #ifdef __WXWINCE__
  46 #include <commctrl.h>
  47 #endif
  48
  49 #if wxUSE_STATUSBAR
  50     #include "wx/statusbr.h"
  51     #include "wx/generic/statusbr.h"
  52 #endif // wxUSE_STATUSBAR
  53
  54 #if wxUSE_TOOLBAR
  55     #include "wx/toolbar.h"
  56 #endif // wxUSE_TOOLBAR
  57
  58 #include "wx/menuitem.h"
  59 #include "wx/log.h"
  60
  61 #ifdef __WXUNIVERSAL__
  62     #include "wx/univ/theme.h"
  63     #include "wx/univ/colschem.h"
  64 #endif // __WXUNIVERSAL__
  65
  66 // ----------------------------------------------------------------------------
  67 // globals
  68 // ----------------------------------------------------------------------------
  69
  70 #if wxUSE_MENUS_NATIVE
  71     extern wxMenu *wxCurrentPopupMenu;
  72 #endif // wxUSE_MENUS_NATIVE
  73
  74 // ----------------------------------------------------------------------------
  75 // event tables
  76 // ----------------------------------------------------------------------------
  77
  78 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  79     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  80 END_EVENT_TABLE()
  81
  82 #if wxUSE_EXTENDED_RTTI
  83 WX_DEFINE_FLAGS( wxFrameStyle )
  84
  85 wxBEGIN_FLAGS( wxFrameStyle )
  86     // new style border flags, we put them first to
  87     // use them for streaming out
  88     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  89     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  90     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  91     wxFLAGS_MEMBER(wxBORDER_RAISED)
  92     wxFLAGS_MEMBER(wxBORDER_STATIC)
  93     wxFLAGS_MEMBER(wxBORDER_NONE)
  94
  95     // old style border flags
  96     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  97     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  98     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  99     wxFLAGS_MEMBER(wxRAISED_BORDER)
 100     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 101     wxFLAGS_MEMBER(wxNO_BORDER)
 102
 103     // standard window styles
 104     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 105     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 106     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 107     wxFLAGS_MEMBER(wxWANTS_CHARS)
 108     wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
 109     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 110     wxFLAGS_MEMBER(wxVSCROLL)
 111     wxFLAGS_MEMBER(wxHSCROLL)
 112
 113     // frame styles
 114     wxFLAGS_MEMBER(wxSTAY_ON_TOP)
 115     wxFLAGS_MEMBER(wxCAPTION)
 116     wxFLAGS_MEMBER(wxTHICK_FRAME)
 117     wxFLAGS_MEMBER(wxSYSTEM_MENU)
 118     wxFLAGS_MEMBER(wxRESIZE_BORDER)
 119     wxFLAGS_MEMBER(wxRESIZE_BOX)
 120     wxFLAGS_MEMBER(wxCLOSE_BOX)
 121     wxFLAGS_MEMBER(wxMAXIMIZE_BOX)
 122     wxFLAGS_MEMBER(wxMINIMIZE_BOX)
 123
 124     wxFLAGS_MEMBER(wxFRAME_TOOL_WINDOW)
 125     wxFLAGS_MEMBER(wxFRAME_FLOAT_ON_PARENT)
 126
 127     wxFLAGS_MEMBER(wxFRAME_SHAPED)
 128
 129 wxEND_FLAGS( wxFrameStyle )
 130
 131 IMPLEMENT_DYNAMIC_CLASS_XTI(wxFrame, wxTopLevelWindow,"wx/frame.h")
 132
 133 wxBEGIN_PROPERTIES_TABLE(wxFrame)
 134         wxEVENT_PROPERTY( Menu , wxEVT_COMMAND_MENU_SELECTED , wxCommandEvent)
 135
 136     wxPROPERTY( Title,wxString, SetTitle, GetTitle, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 137     wxPROPERTY_FLAGS( WindowStyle , wxFrameStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 138     wxPROPERTY( MenuBar , wxMenuBar * , SetMenuBar , GetMenuBar , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 139 wxEND_PROPERTIES_TABLE()
 140
 141 wxBEGIN_HANDLERS_TABLE(wxFrame)
 142 wxEND_HANDLERS_TABLE()
 143
 144 wxCONSTRUCTOR_6( wxFrame , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
 145
 146 #else
 147 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
 148 #endif
 149
 150 // ============================================================================
 151 // implementation
 152 // ============================================================================
 153
 154 // ----------------------------------------------------------------------------
 155 // static class members
 156 // ----------------------------------------------------------------------------
 157
 158 #if wxUSE_STATUSBAR
 159     #if wxUSE_NATIVE_STATUSBAR
 160         bool wxFrame::m_useNativeStatusBar = TRUE;
 161     #else
 162         bool wxFrame::m_useNativeStatusBar = FALSE;
 163     #endif
 164 #endif // wxUSE_NATIVE_STATUSBAR
 165
 166 // ----------------------------------------------------------------------------
 167 // creation/destruction
 168 // ----------------------------------------------------------------------------
 169
 170 void wxFrame::Init()
 171 {
 172 #if wxUSE_TOOLTIPS
 173     m_hwndToolTip = 0;
 174 #endif
 175
 176     // Data to save/restore when calling ShowFullScreen
 177     m_fsStatusBarFields = 0;
 178     m_fsStatusBarHeight = 0;
 179     m_fsToolBarHeight = 0;
 180
 181     m_wasMinimized = FALSE;
 182 }
 183
 184 bool wxFrame::Create(wxWindow *parent,
 185                      wxWindowID id,
 186                      const wxString& title,
 187                      const wxPoint& pos,
 188                      const wxSize& size,
 189                      long style,
 190                      const wxString& name)
 191 {
 192     if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
 193         return FALSE;
 194
 195     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 196
 197     wxModelessWindows.Append(this);
 198
 199     return TRUE;
 200 }
 201
 202 wxFrame::~wxFrame()
 203 {
 204     m_isBeingDeleted = TRUE;
 205     DeleteAllBars();
 206 }
 207
 208 // ----------------------------------------------------------------------------
 209 // wxFrame client size calculations
 210 // ----------------------------------------------------------------------------
 211
 212 void wxFrame::DoSetClientSize(int width, int height)
 213 {
 214     // leave enough space for the status bar if we have (and show) it
 215 #if wxUSE_STATUSBAR
 216     wxStatusBar *statbar = GetStatusBar();
 217     if ( statbar && statbar->IsShown() )
 218     {
 219         height += statbar->GetSize().y;
 220     }
 221 #endif // wxUSE_STATUSBAR
 222
 223     // call GetClientAreaOrigin() to take the toolbar into account
 224     wxPoint pt = GetClientAreaOrigin();
 225     width += pt.x;
 226     height += pt.y;
 227
 228     wxTopLevelWindow::DoSetClientSize(width, height);
 229 }
 230
 231 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 232 void wxFrame::DoGetClientSize(int *x, int *y) const
 233 {
 234     wxTopLevelWindow::DoGetClientSize(x, y);
 235
 236     // account for the possible toolbar
 237     wxPoint pt = GetClientAreaOrigin();
 238     if ( x )
 239         *x -= pt.x;
 240
 241     if ( y )
 242         *y -= pt.y;
 243
 244 #if wxUSE_STATUSBAR
 245     // adjust client area height to take the status bar into account
 246     if ( y )
 247     {
 248         wxStatusBar *statbar = GetStatusBar();
 249         if ( statbar && statbar->IsShown() )
 250         {
 251             *y -= statbar->GetClientSize().y;
 252         }
 253     }
 254 #endif // wxUSE_STATUSBAR
 255 }
 256
 257 // ----------------------------------------------------------------------------
 258 // wxFrame: various geometry-related functions
 259 // ----------------------------------------------------------------------------
 260
 261 void wxFrame::Raise()
 262 {
 263     ::SetForegroundWindow(GetHwnd());
 264 }
 265
 266 // generate an artificial resize event
 267 void wxFrame::SendSizeEvent()
 268 {
 269     if ( !m_iconized )
 270     {
 271         RECT r = wxGetWindowRect(GetHwnd());
 272
 273         (void)::PostMessage(GetHwnd(), WM_SIZE,
 274                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 275                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 276     }
 277 }
 278
 279 #if wxUSE_STATUSBAR
 280 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 281                                         long style,
 282                                         wxWindowID id,
 283                                         const wxString& name)
 284 {
 285     wxStatusBar *statusBar = NULL;
 286
 287 #if wxUSE_NATIVE_STATUSBAR
 288     if ( !UsesNativeStatusBar() )
 289     {
 290         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 291     }
 292     else
 293 #endif
 294     {
 295         statusBar = new wxStatusBar(this, id, style, name);
 296     }
 297
 298     statusBar->SetFieldsCount(number);
 299
 300     return statusBar;
 301 }
 302
 303 void wxFrame::PositionStatusBar()
 304 {
 305     if ( !m_frameStatusBar || !m_frameStatusBar->IsShown() )
 306         return;
 307
 308     int w, h;
 309     GetClientSize(&w, &h);
 310     int sw, sh;
 311     m_frameStatusBar->GetSize(&sw, &sh);
 312
 313     // Since we wish the status bar to be directly under the client area,
 314     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 315     m_frameStatusBar->SetSize(0, h, w, sh);
 316 }
 317 #endif // wxUSE_STATUSBAR
 318
 319 #if wxUSE_MENUS_NATIVE
 320
 321 void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 322 {
 323     wxFrameBase::AttachMenuBar(menubar);
 324
 325     if ( !menubar )
 326     {
 327         // actually remove the menu from the frame
 328         m_hMenu = (WXHMENU)0;
 329         InternalSetMenuBar();
 330     }
 331     else // set new non NULL menu bar
 332     {
 333 #ifndef __WXWINCE__
 334         // Can set a menubar several times.
 335         if ( menubar->GetHMenu() )
 336         {
 337             m_hMenu = menubar->GetHMenu();
 338         }
 339         else // no HMENU yet
 340         {
 341             m_hMenu = menubar->Create();
 342
 343             if ( !m_hMenu )
 344             {
 345                 wxFAIL_MSG( _T("failed to create menu bar") );
 346                 return;
 347             }
 348         }
 349 #endif
 350         InternalSetMenuBar();
 351     }
 352 }
 353
 354 void wxFrame::InternalSetMenuBar()
 355 {
 356 #ifdef __WXMICROWIN__
 357     // Nothing
 358 #elif defined(__WXWINCE__)
 359
 360     if (!GetToolBar())
 361     {
 362         wxToolBar* toolBar = new wxToolBar(this, -1,
 363                          wxDefaultPosition, wxDefaultSize,
 364                          wxBORDER_NONE | wxTB_HORIZONTAL,
 365                          wxToolBarNameStr, GetMenuBar());
 366         SetToolBar(toolBar);
 367     }
 368 #else
 369     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 370     {
 371         wxLogLastError(wxT("SetMenu"));
 372     }
 373 #endif
 374 }
 375
 376 #endif // wxUSE_MENUS_NATIVE
 377
 378 // Responds to colour changes, and passes event on to children.
 379 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 380 {
 381     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 382     Refresh();
 383
 384 #if wxUSE_STATUSBAR
 385     if ( m_frameStatusBar )
 386     {
 387         wxSysColourChangedEvent event2;
 388         event2.SetEventObject( m_frameStatusBar );
 389         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 390     }
 391 #endif // wxUSE_STATUSBAR
 392
 393     // Propagate the event to the non-top-level children
 394     wxWindow::OnSysColourChanged(event);
 395 }
 396
 397 // Pass TRUE to show full screen, FALSE to restore.
 398 bool wxFrame::ShowFullScreen(bool show, long style)
 399 {
 400     if ( IsFullScreen() == show )
 401         return FALSE;
 402
 403     if (show)
 404     {
 405 #if wxUSE_TOOLBAR
 406 #ifdef __WXWINCE__
 407         // TODO: hide commandbar
 408 #else
 409         wxToolBar *theToolBar = GetToolBar();
 410         if (theToolBar)
 411             theToolBar->GetSize(NULL, &m_fsToolBarHeight);
 412
 413         // zap the toolbar, menubar, and statusbar
 414
 415         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 416         {
 417             theToolBar->SetSize(-1,0);
 418             theToolBar->Show(FALSE);
 419         }
 420 #endif // __WXWINCE__
 421 #endif // wxUSE_TOOLBAR
 422
 423         // TODO: make it work for WinCE
 424 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 425         if (style & wxFULLSCREEN_NOMENUBAR)
 426             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 427 #endif
 428
 429 #if wxUSE_STATUSBAR
 430         wxStatusBar *theStatusBar = GetStatusBar();
 431         if (theStatusBar)
 432             theStatusBar->GetSize(NULL, &m_fsStatusBarHeight);
 433
 434         // Save the number of fields in the statusbar
 435         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 436         {
 437             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 438             //SetStatusBar((wxStatusBar*) NULL);
 439             //delete theStatusBar;
 440             theStatusBar->Show(FALSE);
 441         }
 442         else
 443             m_fsStatusBarFields = 0;
 444 #endif // wxUSE_STATUSBAR
 445     }
 446     else
 447     {
 448 #if wxUSE_TOOLBAR
 449 #ifdef __WXWINCE__
 450         // TODO: show commandbar
 451 #else
 452         wxToolBar *theToolBar = GetToolBar();
 453
 454         // restore the toolbar, menubar, and statusbar
 455         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 456         {
 457             theToolBar->SetSize(-1, m_fsToolBarHeight);
 458             theToolBar->Show(TRUE);
 459         }
 460 #endif // __WXWINCE__
 461 #endif // wxUSE_TOOLBAR
 462
 463 #if wxUSE_STATUSBAR
 464         if ( m_fsStyle & wxFULLSCREEN_NOSTATUSBAR )
 465         {
 466             //CreateStatusBar(m_fsStatusBarFields);
 467             if (GetStatusBar())
 468             {
 469                 GetStatusBar()->Show(TRUE);
 470                 PositionStatusBar();
 471             }
 472         }
 473 #endif // wxUSE_STATUSBAR
 474
 475         // TODO: make it work for WinCE
 476 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 477         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 478             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 479 #endif
 480     }
 481
 482     return wxFrameBase::ShowFullScreen(show, style);
 483 }
 484
 485 // ----------------------------------------------------------------------------
 486 // tool/status bar stuff
 487 // ----------------------------------------------------------------------------
 488
 489 #if wxUSE_TOOLBAR
 490
 491 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 492 {
 493 #ifdef __WXWINCE__
 494     // We may already have a toolbar from calling SetMenuBar.
 495     if (GetToolBar())
 496         return GetToolBar();
 497 #endif
 498     if ( wxFrameBase::CreateToolBar(style, id, name) )
 499     {
 500         PositionToolBar();
 501     }
 502
 503     return m_frameToolBar;
 504 }
 505
 506 void wxFrame::PositionToolBar()
 507 {
 508     wxToolBar *toolbar = GetToolBar();
 509     if ( toolbar && toolbar->IsShown() )
 510     {
 511 #ifdef __WXWINCE__
 512         // We want to do something different in WinCE, because
 513         // the toolbar should be associated with the commandbar,
 514         // and not an independent window.
 515         // TODO
 516 #else
 517         // don't call our (or even wxTopLevelWindow) version because we want
 518         // the real (full) client area size, not excluding the tool/status bar
 519         int width, height;
 520         wxWindow::DoGetClientSize(&width, &height);
 521
 522 #if wxUSE_STATUSBAR
 523         wxStatusBar *statbar = GetStatusBar();
 524         if ( statbar && statbar->IsShown() )
 525         {
 526             height -= statbar->GetClientSize().y;
 527         }
 528 #endif // wxUSE_STATUSBAR
 529
 530         int tx, ty;
 531         int tw, th;
 532         toolbar->GetPosition(&tx, &ty);
 533         toolbar->GetSize(&tw, &th);
 534
 535         // Adjust
 536         if (ty < 0 && (-ty == th))
 537             ty = 0;
 538         if (tx < 0 && (-tx == tw))
 539             tx = 0;
 540
 541         int desiredW = tw;
 542         int desiredH = th;
 543
 544         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 545         {
 546             desiredH = height;
 547         }
 548         else
 549         {
 550             desiredW = width;
 551 //            if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
 552 //                desiredW -= 3;
 553         }
 554
 555         // use the 'real' MSW position here, don't offset relativly to the
 556         // client area origin
 557
 558         // Optimise such that we don't have to always resize the toolbar
 559         // when the frame changes, otherwise we'll get a lot of flicker.
 560         bool heightChanging = TRUE;
 561         bool widthChanging = TRUE;
 562
 563         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 564         {
 565             // It's OK if the current height is greater than what can be shown.
 566             heightChanging = (desiredH > th) ;
 567             widthChanging = (desiredW != tw) ;
 568
 569             // The next time around, we may not have to set the size
 570             if (heightChanging)
 571                 desiredH = desiredH + 200;
 572         }
 573         else
 574         {
 575             // It's OK if the current width is greater than what can be shown.
 576             widthChanging = (desiredW > tw) ;
 577             heightChanging = (desiredH != th) ;
 578
 579             // The next time around, we may not have to set the size
 580             if (widthChanging)
 581                 desiredW = desiredW + 200;
 582         }
 583
 584         if (tx != 0 || ty != 0 || widthChanging || heightChanging)
 585             toolbar->SetSize(0, 0, desiredW, desiredH, wxSIZE_NO_ADJUSTMENTS);
 586
 587 #endif // __WXWINCE__
 588     }
 589 }
 590
 591 #endif // wxUSE_TOOLBAR
 592
 593 // ----------------------------------------------------------------------------
 594 // frame state (iconized/maximized/...)
 595 // ----------------------------------------------------------------------------
 596
 597 // propagate our state change to all child frames: this allows us to emulate X
 598 // Windows behaviour where child frames float independently of the parent one
 599 // on the desktop, but are iconized/restored with it
 600 void wxFrame::IconizeChildFrames(bool bIconize)
 601 {
 602     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 603           node;
 604           node = node->GetNext() )
 605     {
 606         wxWindow *win = node->GetData();
 607
 608         // iconizing the frames with this style under Win95 shell puts them at
 609         // the bottom of the screen (as the MDI children) instead of making
 610         // them appear in the taskbar because they are, by virtue of this
 611         // style, not managed by the taskbar - instead leave Windows take care
 612         // of them
 613 #ifdef __WIN95__
 614         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 615             continue;
 616 #endif // Win95
 617
 618         // the child MDI frames are a special case and should not be touched by
 619         // the parent frame - instead, they are managed by the user
 620         wxFrame *frame = wxDynamicCast(win, wxFrame);
 621         if ( frame
 622 #if wxUSE_MDI_ARCHITECTURE
 623                 && !wxDynamicCast(frame, wxMDIChildFrame)
 624 #endif // wxUSE_MDI_ARCHITECTURE
 625            )
 626         {
 627             // we don't want to restore the child frames which had been
 628             // iconized even before we were iconized, so save the child frame
 629             // status when iconizing the parent frame and check it when
 630             // restoring it
 631             if ( bIconize )
 632             {
 633                 // note that we shouldn't touch the hidden frames neither
 634                 // because iconizing/restoring them would show them as a side
 635                 // effect
 636                 frame->m_wasMinimized = frame->IsIconized() || !frame->IsShown();
 637             }
 638
 639             // this test works for both iconizing and restoring
 640             if ( !frame->m_wasMinimized )
 641                 frame->Iconize(bIconize);
 642         }
 643     }
 644 }
 645
 646 WXHICON wxFrame::GetDefaultIcon() const
 647 {
 648     // we don't have any standard icons (any more)
 649     return (WXHICON)0;
 650 }
 651
 652 // ===========================================================================
 653 // message processing
 654 // ===========================================================================
 655
 656 // ---------------------------------------------------------------------------
 657 // preprocessing
 658 // ---------------------------------------------------------------------------
 659
 660 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 661 {
 662     if ( wxWindow::MSWTranslateMessage(pMsg) )
 663         return TRUE;
 664
 665 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 666     // try the menu bar accels
 667     wxMenuBar *menuBar = GetMenuBar();
 668     if ( !menuBar )
 669         return FALSE;
 670
 671     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 672     return acceleratorTable.Translate(this, pMsg);
 673 #else
 674     return FALSE;
 675 #endif // wxUSE_MENUS && wxUSE_ACCEL
 676 }
 677
 678 // ---------------------------------------------------------------------------
 679 // our private (non virtual) message handlers
 680 // ---------------------------------------------------------------------------
 681
 682 bool wxFrame::HandlePaint()
 683 {
 684     RECT rect;
 685     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 686     {
 687 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 688         if ( m_iconized )
 689         {
 690             const wxIcon& icon = GetIcon();
 691             HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 692                                     : (HICON)GetDefaultIcon();
 693
 694             // Hold a pointer to the dc so long as the OnPaint() message
 695             // is being processed
 696             PAINTSTRUCT ps;
 697             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 698
 699             // Erase background before painting or we get white background
 700             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 701
 702             if ( hIcon )
 703             {
 704                 RECT rect;
 705                 ::GetClientRect(GetHwnd(), &rect);
 706
 707                 // FIXME: why hardcoded?
 708                 static const int icon_width = 32;
 709                 static const int icon_height = 32;
 710
 711                 int icon_x = (int)((rect.right - icon_width)/2);
 712                 int icon_y = (int)((rect.bottom - icon_height)/2);
 713
 714                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 715             }
 716
 717             ::EndPaint(GetHwnd(), &ps);
 718
 719             return TRUE;
 720         }
 721         else
 722  #endif
 723         {
 724             return wxWindow::HandlePaint();
 725         }
 726     }
 727     else
 728     {
 729         // nothing to paint - processed
 730         return TRUE;
 731     }
 732 }
 733
 734 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 735 {
 736     bool processed = FALSE;
 737 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 738
 739     switch ( id )
 740     {
 741         case SIZENORMAL:
 742             // only do it it if we were iconized before, otherwise resizing the
 743             // parent frame has a curious side effect of bringing it under it's
 744             // children
 745             if ( !m_iconized )
 746                 break;
 747
 748             // restore all child frames too
 749             IconizeChildFrames(FALSE);
 750
 751             (void)SendIconizeEvent(FALSE);
 752
 753             // fall through
 754
 755         case SIZEFULLSCREEN:
 756             m_iconized = FALSE;
 757             break;
 758
 759         case SIZEICONIC:
 760             // iconize all child frames too
 761             IconizeChildFrames(TRUE);
 762
 763             (void)SendIconizeEvent();
 764
 765             m_iconized = TRUE;
 766             break;
 767     }
 768 #endif
 769
 770     if ( !m_iconized )
 771     {
 772 #if wxUSE_STATUSBAR
 773         PositionStatusBar();
 774 #endif // wxUSE_STATUSBAR
 775
 776 #if wxUSE_TOOLBAR
 777         PositionToolBar();
 778 #endif // wxUSE_TOOLBAR
 779
 780         processed = wxWindow::HandleSize(x, y, id);
 781     }
 782
 783     return processed;
 784 }
 785
 786 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 787 {
 788     if ( control )
 789     {
 790         // In case it's e.g. a toolbar.
 791         wxWindow *win = wxFindWinFromHandle(control);
 792         if ( win )
 793             return win->MSWCommand(cmd, id);
 794     }
 795
 796     // handle here commands from menus and accelerators
 797     if ( cmd == 0 || cmd == 1 )
 798     {
 799 #if wxUSE_MENUS_NATIVE
 800         if ( wxCurrentPopupMenu )
 801         {
 802             wxMenu *popupMenu = wxCurrentPopupMenu;
 803             wxCurrentPopupMenu = NULL;
 804
 805             return popupMenu->MSWCommand(cmd, id);
 806         }
 807 #endif // wxUSE_MENUS_NATIVE
 808
 809         if ( ProcessCommand(id) )
 810         {
 811             return TRUE;
 812         }
 813     }
 814
 815     return FALSE;
 816 }
 817
 818 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 819 {
 820     int item;
 821     if ( flags == 0xFFFF && hMenu == 0 )
 822     {
 823         // menu was removed from screen
 824         item = -1;
 825     }
 826 #ifndef __WXMICROWIN__
 827     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 828     {
 829         item = nItem;
 830     }
 831 #endif
 832     else
 833     {
 834         // don't give hints for separators (doesn't make sense) nor for the
 835         // items opening popup menus (they don't have them anyhow) but do clear
 836         // the status line - otherwise, we would be left with the help message
 837         // for the previous item which doesn't apply any more
 838         DoGiveHelp(wxEmptyString, FALSE);
 839
 840         return FALSE;
 841     }
 842
 843     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 844     event.SetEventObject(this);
 845
 846     return GetEventHandler()->ProcessEvent(event);
 847 }
 848
 849 bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
 850 {
 851     // we don't have the menu id here, so we use the id to specify if the event
 852     // was from a popup menu or a normal one
 853     wxMenuEvent event(evtType, isPopup ? -1 : 0);
 854     event.SetEventObject(this);
 855
 856     return GetEventHandler()->ProcessEvent(event);
 857 }
 858
 859 // ---------------------------------------------------------------------------
 860 // the window proc for wxFrame
 861 // ---------------------------------------------------------------------------
 862
 863 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 864 {
 865     long rc = 0;
 866     bool processed = FALSE;
 867
 868     switch ( message )
 869     {
 870         case WM_CLOSE:
 871             // if we can't close, tell the system that we processed the
 872             // message - otherwise it would close us
 873             processed = !Close();
 874             break;
 875
 876         case WM_SIZE:
 877             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 878             break;
 879
 880         case WM_COMMAND:
 881             {
 882                 WORD id, cmd;
 883                 WXHWND hwnd;
 884                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 885                               &id, &hwnd, &cmd);
 886
 887                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 888             }
 889             break;
 890
 891         case WM_PAINT:
 892             processed = HandlePaint();
 893             break;
 894
 895         case WM_INITMENUPOPUP:
 896             processed = HandleInitMenuPopup((WXHMENU) wParam);
 897             break;
 898
 899 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 900         case WM_MENUSELECT:
 901             {
 902                 WXWORD item, flags;
 903                 WXHMENU hmenu;
 904                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 905
 906                 processed = HandleMenuSelect(item, flags, hmenu);
 907             }
 908             break;
 909
 910         case WM_EXITMENULOOP:
 911             processed = HandleMenuLoop(wxEVT_MENU_CLOSE, wParam);
 912             break;
 913
 914         case WM_QUERYDRAGICON:
 915             {
 916                 const wxIcon& icon = GetIcon();
 917                 HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 918                                         : (HICON)GetDefaultIcon();
 919                 rc = (long)hIcon;
 920                 processed = rc != 0;
 921             }
 922             break;
 923 #endif // !__WXMICROWIN__
 924     }
 925
 926     if ( !processed )
 927         rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
 928
 929     return rc;
 930 }
 931
 932 // handle WM_INITMENUPOPUP message
 933 bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
 934 {
 935     wxMenu* menu = NULL;
 936     if (GetMenuBar())
 937     {
 938         int nCount = GetMenuBar()->GetMenuCount();
 939         for (int n = 0; n < nCount; n++)
 940         {
 941             if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
 942             {
 943                 menu = GetMenuBar()->GetMenu(n);
 944                 break;
 945             }
 946         }
 947     }
 948
 949     wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
 950     event.SetEventObject(this);
 951
 952     return GetEventHandler()->ProcessEvent(event);
 953 }