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(wxBORDER)
 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(wxFULL_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 , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 138     wxPROPERTY( MenuBar , wxMenuBar * , SetMenuBar , GetMenuBar , EMPTY_MACROVALUE , 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     return TRUE;
 198 }
 199
 200 wxFrame::~wxFrame()
 201 {
 202     m_isBeingDeleted = TRUE;
 203     DeleteAllBars();
 204 }
 205
 206 // ----------------------------------------------------------------------------
 207 // wxFrame client size calculations
 208 // ----------------------------------------------------------------------------
 209
 210 void wxFrame::DoSetClientSize(int width, int height)
 211 {
 212     // leave enough space for the status bar if we have (and show) it
 213 #if wxUSE_STATUSBAR
 214     wxStatusBar *statbar = GetStatusBar();
 215     if ( statbar && statbar->IsShown() )
 216     {
 217         height += statbar->GetSize().y;
 218     }
 219 #endif // wxUSE_STATUSBAR
 220
 221     // call GetClientAreaOrigin() to take the toolbar into account
 222     wxPoint pt = GetClientAreaOrigin();
 223     width += pt.x;
 224     height += pt.y;
 225
 226     wxTopLevelWindow::DoSetClientSize(width, height);
 227 }
 228
 229 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 230 void wxFrame::DoGetClientSize(int *x, int *y) const
 231 {
 232     wxTopLevelWindow::DoGetClientSize(x, y);
 233
 234     // account for the possible toolbar
 235     wxPoint pt = GetClientAreaOrigin();
 236     if ( x )
 237         *x -= pt.x;
 238
 239     if ( y )
 240         *y -= pt.y;
 241
 242 #if wxUSE_STATUSBAR
 243     // adjust client area height to take the status bar into account
 244     if ( y )
 245     {
 246         wxStatusBar *statbar = GetStatusBar();
 247         if ( statbar && statbar->IsShown() )
 248         {
 249             *y -= statbar->GetClientSize().y;
 250         }
 251     }
 252 #endif // wxUSE_STATUSBAR
 253 }
 254
 255 // ----------------------------------------------------------------------------
 256 // wxFrame: various geometry-related functions
 257 // ----------------------------------------------------------------------------
 258
 259 void wxFrame::Raise()
 260 {
 261     ::SetForegroundWindow(GetHwnd());
 262 }
 263
 264 // generate an artificial resize event
 265 void wxFrame::SendSizeEvent()
 266 {
 267     if ( !m_iconized )
 268     {
 269         RECT r = wxGetWindowRect(GetHwnd());
 270
 271         (void)::PostMessage(GetHwnd(), WM_SIZE,
 272                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 273                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 274     }
 275 }
 276
 277 #if wxUSE_STATUSBAR
 278 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 279                                         long style,
 280                                         wxWindowID id,
 281                                         const wxString& name)
 282 {
 283     wxStatusBar *statusBar = NULL;
 284
 285 #if wxUSE_NATIVE_STATUSBAR
 286     if ( !UsesNativeStatusBar() )
 287     {
 288         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 289     }
 290     else
 291 #endif
 292     {
 293         statusBar = new wxStatusBar(this, id, style, name);
 294     }
 295
 296     statusBar->SetFieldsCount(number);
 297
 298     return statusBar;
 299 }
 300
 301 void wxFrame::PositionStatusBar()
 302 {
 303     if ( !m_frameStatusBar || !m_frameStatusBar->IsShown() )
 304         return;
 305
 306     int w, h;
 307     GetClientSize(&w, &h);
 308     int sw, sh;
 309     m_frameStatusBar->GetSize(&sw, &sh);
 310
 311     // Since we wish the status bar to be directly under the client area,
 312     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 313     m_frameStatusBar->SetSize(0, h, w, sh);
 314 }
 315 #endif // wxUSE_STATUSBAR
 316
 317 #if wxUSE_MENUS_NATIVE
 318
 319 void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 320 {
 321 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 322     if (!GetToolBar())
 323     {
 324         wxToolBar* toolBar = new wxToolBar(this, -1,
 325                          wxDefaultPosition, wxDefaultSize,
 326                          wxBORDER_NONE | wxTB_HORIZONTAL,
 327                          wxToolBarNameStr, menubar);
 328         SetToolBar(toolBar);
 329         menubar->SetToolBar(toolBar);
 330     }
 331         // Now adjust size for menu bar
 332         int menuHeight = 26;
 333
 334         //When the main window is created using CW_USEDEFAULT the height of the
 335         // is created is not taken into account). So we resize the window after
 336         // if a menubar is present
 337         {
 338                 RECT rc;
 339                 ::GetWindowRect((HWND) GetHWND(), &rc);
 340                 // adjust for menu / titlebar height
 341                 rc.bottom -= (2*menuHeight-1);
 342
 343                 MoveWindow((HWND) GetHWND(), rc.left, rc.top, rc.right, rc.bottom, FALSE);
 344         }
 345 #endif
 346
 347     wxFrameBase::AttachMenuBar(menubar);
 348
 349     if ( !menubar )
 350     {
 351         // actually remove the menu from the frame
 352         m_hMenu = (WXHMENU)0;
 353         InternalSetMenuBar();
 354     }
 355     else // set new non NULL menu bar
 356     {
 357 #if !defined(__WXWINCE__) || (_WIN32_WCE >= 400 && !defined(WIN32_PLATFORM_PSPC) && !defined(WIN32_PLATFORM_WFSP))
 358         // Can set a menubar several times.
 359         if ( menubar->GetHMenu() )
 360         {
 361             m_hMenu = menubar->GetHMenu();
 362         }
 363         else // no HMENU yet
 364         {
 365             m_hMenu = menubar->Create();
 366
 367             if ( !m_hMenu )
 368             {
 369                 wxFAIL_MSG( _T("failed to create menu bar") );
 370                 return;
 371             }
 372         }
 373 #endif
 374         InternalSetMenuBar();
 375     }
 376 }
 377
 378 void wxFrame::InternalSetMenuBar()
 379 {
 380 #if defined(__WXMICROWIN__) || defined(__WXWINCE__)
 381     // Nothing
 382 #else
 383     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 384     {
 385         wxLogLastError(wxT("SetMenu"));
 386     }
 387 #endif
 388 }
 389
 390 #endif // wxUSE_MENUS_NATIVE
 391
 392 // Responds to colour changes, and passes event on to children.
 393 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 394 {
 395     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 396     Refresh();
 397
 398 #if wxUSE_STATUSBAR
 399     if ( m_frameStatusBar )
 400     {
 401         wxSysColourChangedEvent event2;
 402         event2.SetEventObject( m_frameStatusBar );
 403         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 404     }
 405 #endif // wxUSE_STATUSBAR
 406
 407     // Propagate the event to the non-top-level children
 408     wxWindow::OnSysColourChanged(event);
 409 }
 410
 411 // Pass TRUE to show full screen, FALSE to restore.
 412 bool wxFrame::ShowFullScreen(bool show, long style)
 413 {
 414     if ( IsFullScreen() == show )
 415         return FALSE;
 416
 417     if (show)
 418     {
 419 #if wxUSE_TOOLBAR
 420 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 421         // TODO: hide commandbar
 422 #else
 423         wxToolBar *theToolBar = GetToolBar();
 424         if (theToolBar)
 425             theToolBar->GetSize(NULL, &m_fsToolBarHeight);
 426
 427         // zap the toolbar, menubar, and statusbar
 428
 429         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 430         {
 431             theToolBar->SetSize(-1,0);
 432             theToolBar->Show(FALSE);
 433         }
 434 #endif // __WXWINCE__
 435 #endif // wxUSE_TOOLBAR
 436
 437 #if defined(__WXMICROWIN__)
 438 #elif defined(__WXWINCE__)
 439         // TODO: make it work for WinCE
 440 #else
 441         if (style & wxFULLSCREEN_NOMENUBAR)
 442             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 443 #endif
 444
 445 #if wxUSE_STATUSBAR
 446         wxStatusBar *theStatusBar = GetStatusBar();
 447         if (theStatusBar)
 448             theStatusBar->GetSize(NULL, &m_fsStatusBarHeight);
 449
 450         // Save the number of fields in the statusbar
 451         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 452         {
 453             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 454             //SetStatusBar((wxStatusBar*) NULL);
 455             //delete theStatusBar;
 456             theStatusBar->Show(FALSE);
 457         }
 458         else
 459             m_fsStatusBarFields = 0;
 460 #endif // wxUSE_STATUSBAR
 461     }
 462     else
 463     {
 464 #if wxUSE_TOOLBAR
 465 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 466         // TODO: show commandbar
 467 #else
 468         wxToolBar *theToolBar = GetToolBar();
 469
 470         // restore the toolbar, menubar, and statusbar
 471         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 472         {
 473             theToolBar->SetSize(-1, m_fsToolBarHeight);
 474             theToolBar->Show(TRUE);
 475         }
 476 #endif // __WXWINCE__
 477 #endif // wxUSE_TOOLBAR
 478
 479 #if wxUSE_STATUSBAR
 480         if ( m_fsStyle & wxFULLSCREEN_NOSTATUSBAR )
 481         {
 482             //CreateStatusBar(m_fsStatusBarFields);
 483             if (GetStatusBar())
 484             {
 485                 GetStatusBar()->Show(TRUE);
 486                 PositionStatusBar();
 487             }
 488         }
 489 #endif // wxUSE_STATUSBAR
 490
 491 #if defined(__WXMICROWIN__)
 492 #elif defined(__WXWINCE__)
 493         // TODO: make it work for WinCE
 494 #else
 495         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 496             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 497 #endif
 498     }
 499
 500     return wxFrameBase::ShowFullScreen(show, style);
 501 }
 502
 503 // ----------------------------------------------------------------------------
 504 // tool/status bar stuff
 505 // ----------------------------------------------------------------------------
 506
 507 #if wxUSE_TOOLBAR
 508
 509 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 510 {
 511 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 512     // We may already have a toolbar from calling SetMenuBar.
 513     if (GetToolBar())
 514         return GetToolBar();
 515 #endif
 516     if ( wxFrameBase::CreateToolBar(style, id, name) )
 517     {
 518         PositionToolBar();
 519     }
 520
 521     return m_frameToolBar;
 522 }
 523
 524 void wxFrame::PositionToolBar()
 525 {
 526     wxToolBar *toolbar = GetToolBar();
 527     if ( toolbar && toolbar->IsShown() )
 528     {
 529 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 530         // We want to do something different in WinCE, because
 531         // the toolbar should be associated with the commandbar,
 532         // and not an independent window.
 533         // TODO
 534 #else
 535         // don't call our (or even wxTopLevelWindow) version because we want
 536         // the real (full) client area size, not excluding the tool/status bar
 537         int width, height;
 538         wxWindow::DoGetClientSize(&width, &height);
 539
 540 #if wxUSE_STATUSBAR
 541         wxStatusBar *statbar = GetStatusBar();
 542         if ( statbar && statbar->IsShown() )
 543         {
 544             height -= statbar->GetClientSize().y;
 545         }
 546 #endif // wxUSE_STATUSBAR
 547
 548         int tx, ty;
 549         int tw, th;
 550         toolbar->GetPosition(&tx, &ty);
 551         toolbar->GetSize(&tw, &th);
 552
 553         // Adjust
 554         if (ty < 0 && (-ty == th))
 555             ty = 0;
 556         if (tx < 0 && (-tx == tw))
 557             tx = 0;
 558
 559         int desiredW = tw;
 560         int desiredH = th;
 561
 562         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 563         {
 564             desiredH = height;
 565         }
 566         else
 567         {
 568             desiredW = width;
 569 //            if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
 570 //                desiredW -= 3;
 571         }
 572
 573         // use the 'real' MSW position here, don't offset relativly to the
 574         // client area origin
 575
 576         // Optimise such that we don't have to always resize the toolbar
 577         // when the frame changes, otherwise we'll get a lot of flicker.
 578         bool heightChanging = TRUE;
 579         bool widthChanging = TRUE;
 580
 581         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 582         {
 583             // It's OK if the current height is greater than what can be shown.
 584             heightChanging = (desiredH > th) ;
 585             widthChanging = (desiredW != tw) ;
 586
 587             // The next time around, we may not have to set the size
 588             if (heightChanging)
 589                 desiredH = desiredH + 200;
 590         }
 591         else
 592         {
 593             // It's OK if the current width is greater than what can be shown.
 594             widthChanging = (desiredW > tw) ;
 595             heightChanging = (desiredH != th) ;
 596
 597             // The next time around, we may not have to set the size
 598             if (widthChanging)
 599                 desiredW = desiredW + 200;
 600         }
 601
 602         if (tx != 0 || ty != 0 || widthChanging || heightChanging)
 603             toolbar->SetSize(0, 0, desiredW, desiredH, wxSIZE_NO_ADJUSTMENTS);
 604
 605 #endif // __WXWINCE__
 606     }
 607 }
 608
 609 #endif // wxUSE_TOOLBAR
 610
 611 // ----------------------------------------------------------------------------
 612 // frame state (iconized/maximized/...)
 613 // ----------------------------------------------------------------------------
 614
 615 // propagate our state change to all child frames: this allows us to emulate X
 616 // Windows behaviour where child frames float independently of the parent one
 617 // on the desktop, but are iconized/restored with it
 618 void wxFrame::IconizeChildFrames(bool bIconize)
 619 {
 620     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 621           node;
 622           node = node->GetNext() )
 623     {
 624         wxWindow *win = node->GetData();
 625
 626         // iconizing the frames with this style under Win95 shell puts them at
 627         // the bottom of the screen (as the MDI children) instead of making
 628         // them appear in the taskbar because they are, by virtue of this
 629         // style, not managed by the taskbar - instead leave Windows take care
 630         // of them
 631 #ifdef __WIN95__
 632         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 633             continue;
 634 #endif // Win95
 635
 636         // the child MDI frames are a special case and should not be touched by
 637         // the parent frame - instead, they are managed by the user
 638         wxFrame *frame = wxDynamicCast(win, wxFrame);
 639         if ( frame
 640 #if wxUSE_MDI_ARCHITECTURE
 641                 && !wxDynamicCast(frame, wxMDIChildFrame)
 642 #endif // wxUSE_MDI_ARCHITECTURE
 643            )
 644         {
 645             // we don't want to restore the child frames which had been
 646             // iconized even before we were iconized, so save the child frame
 647             // status when iconizing the parent frame and check it when
 648             // restoring it
 649             if ( bIconize )
 650             {
 651                 frame->m_wasMinimized = frame->IsIconized();
 652             }
 653
 654             // note that we shouldn't touch the hidden frames neither because
 655             // iconizing/restoring them would show them as a side effect
 656             if ( !frame->m_wasMinimized && frame->IsShown() )
 657                 frame->Iconize(bIconize);
 658         }
 659     }
 660 }
 661
 662 WXHICON wxFrame::GetDefaultIcon() const
 663 {
 664     // we don't have any standard icons (any more)
 665     return (WXHICON)0;
 666 }
 667
 668 // ===========================================================================
 669 // message processing
 670 // ===========================================================================
 671
 672 // ---------------------------------------------------------------------------
 673 // preprocessing
 674 // ---------------------------------------------------------------------------
 675
 676 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 677 {
 678     if ( wxWindow::MSWTranslateMessage(pMsg) )
 679         return TRUE;
 680
 681 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 682     // try the menu bar accels
 683     wxMenuBar *menuBar = GetMenuBar();
 684     if ( !menuBar )
 685         return FALSE;
 686
 687     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 688     return acceleratorTable.Translate(this, pMsg);
 689 #else
 690     return FALSE;
 691 #endif // wxUSE_MENUS && wxUSE_ACCEL
 692 }
 693
 694 // ---------------------------------------------------------------------------
 695 // our private (non virtual) message handlers
 696 // ---------------------------------------------------------------------------
 697
 698 bool wxFrame::HandlePaint()
 699 {
 700     RECT rect;
 701     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 702     {
 703 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 704         if ( m_iconized )
 705         {
 706             const wxIcon& icon = GetIcon();
 707             HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 708                                     : (HICON)GetDefaultIcon();
 709
 710             // Hold a pointer to the dc so long as the OnPaint() message
 711             // is being processed
 712             PAINTSTRUCT ps;
 713             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 714
 715             // Erase background before painting or we get white background
 716             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 717
 718             if ( hIcon )
 719             {
 720                 RECT rect;
 721                 ::GetClientRect(GetHwnd(), &rect);
 722
 723                 // FIXME: why hardcoded?
 724                 static const int icon_width = 32;
 725                 static const int icon_height = 32;
 726
 727                 int icon_x = (int)((rect.right - icon_width)/2);
 728                 int icon_y = (int)((rect.bottom - icon_height)/2);
 729
 730                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 731             }
 732
 733             ::EndPaint(GetHwnd(), &ps);
 734
 735             return TRUE;
 736         }
 737         else
 738  #endif
 739         {
 740             return wxWindow::HandlePaint();
 741         }
 742     }
 743     else
 744     {
 745         // nothing to paint - processed
 746         return TRUE;
 747     }
 748 }
 749
 750 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 751 {
 752     bool processed = FALSE;
 753 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 754
 755     switch ( id )
 756     {
 757         case SIZENORMAL:
 758             // only do it it if we were iconized before, otherwise resizing the
 759             // parent frame has a curious side effect of bringing it under it's
 760             // children
 761             if ( !m_iconized )
 762                 break;
 763
 764             // restore all child frames too
 765             IconizeChildFrames(FALSE);
 766
 767             (void)SendIconizeEvent(FALSE);
 768
 769             // fall through
 770
 771         case SIZEFULLSCREEN:
 772             m_iconized = FALSE;
 773             break;
 774
 775         case SIZEICONIC:
 776             // iconize all child frames too
 777             IconizeChildFrames(TRUE);
 778
 779             (void)SendIconizeEvent();
 780
 781             m_iconized = TRUE;
 782             break;
 783     }
 784 #endif
 785
 786     if ( !m_iconized )
 787     {
 788 #if wxUSE_STATUSBAR
 789         PositionStatusBar();
 790 #endif // wxUSE_STATUSBAR
 791
 792 #if wxUSE_TOOLBAR
 793         PositionToolBar();
 794 #endif // wxUSE_TOOLBAR
 795
 796         processed = wxWindow::HandleSize(x, y, id);
 797     }
 798
 799     return processed;
 800 }
 801
 802 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 803 {
 804     if ( control )
 805     {
 806         // In case it's e.g. a toolbar.
 807         wxWindow *win = wxFindWinFromHandle(control);
 808         if ( win )
 809             return win->MSWCommand(cmd, id);
 810     }
 811
 812     // handle here commands from menus and accelerators
 813     if ( cmd == 0 || cmd == 1 )
 814     {
 815 #if wxUSE_MENUS_NATIVE
 816         if ( wxCurrentPopupMenu )
 817         {
 818             wxMenu *popupMenu = wxCurrentPopupMenu;
 819             wxCurrentPopupMenu = NULL;
 820
 821             return popupMenu->MSWCommand(cmd, id);
 822         }
 823 #endif // wxUSE_MENUS_NATIVE
 824
 825         if ( ProcessCommand(id) )
 826         {
 827             return TRUE;
 828         }
 829     }
 830
 831     return FALSE;
 832 }
 833
 834 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 835 {
 836     int item;
 837     if ( flags == 0xFFFF && hMenu == 0 )
 838     {
 839         // menu was removed from screen
 840         item = -1;
 841     }
 842 #ifndef __WXMICROWIN__
 843     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 844     {
 845         item = nItem;
 846     }
 847 #endif
 848     else
 849     {
 850         // don't give hints for separators (doesn't make sense) nor for the
 851         // items opening popup menus (they don't have them anyhow) but do clear
 852         // the status line - otherwise, we would be left with the help message
 853         // for the previous item which doesn't apply any more
 854         DoGiveHelp(wxEmptyString, FALSE);
 855
 856         return FALSE;
 857     }
 858
 859     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 860     event.SetEventObject(this);
 861
 862     return GetEventHandler()->ProcessEvent(event);
 863 }
 864
 865 bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
 866 {
 867     // we don't have the menu id here, so we use the id to specify if the event
 868     // was from a popup menu or a normal one
 869     wxMenuEvent event(evtType, isPopup ? -1 : 0);
 870     event.SetEventObject(this);
 871
 872     return GetEventHandler()->ProcessEvent(event);
 873 }
 874
 875 // ---------------------------------------------------------------------------
 876 // the window proc for wxFrame
 877 // ---------------------------------------------------------------------------
 878
 879 WXLRESULT wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 880 {
 881     WXLRESULT rc = 0;
 882     bool processed = FALSE;
 883
 884     switch ( message )
 885     {
 886         case WM_CLOSE:
 887             // if we can't close, tell the system that we processed the
 888             // message - otherwise it would close us
 889             processed = !Close();
 890             break;
 891
 892         case WM_SIZE:
 893             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 894             break;
 895
 896         case WM_COMMAND:
 897             {
 898                 WORD id, cmd;
 899                 WXHWND hwnd;
 900                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 901                               &id, &hwnd, &cmd);
 902
 903                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 904             }
 905             break;
 906
 907         case WM_PAINT:
 908             processed = HandlePaint();
 909             break;
 910
 911         case WM_INITMENUPOPUP:
 912             processed = HandleInitMenuPopup((WXHMENU) wParam);
 913             break;
 914
 915 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 916         case WM_MENUSELECT:
 917             {
 918                 WXWORD item, flags;
 919                 WXHMENU hmenu;
 920                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 921
 922                 processed = HandleMenuSelect(item, flags, hmenu);
 923             }
 924             break;
 925
 926         case WM_EXITMENULOOP:
 927             processed = HandleMenuLoop(wxEVT_MENU_CLOSE, wParam);
 928             break;
 929
 930         case WM_QUERYDRAGICON:
 931             {
 932                 const wxIcon& icon = GetIcon();
 933                 HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 934                                         : (HICON)GetDefaultIcon();
 935                 rc = (long)hIcon;
 936                 processed = rc != 0;
 937             }
 938             break;
 939 #endif // !__WXMICROWIN__
 940     }
 941
 942     if ( !processed )
 943         rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
 944
 945     return rc;
 946 }
 947
 948 // handle WM_INITMENUPOPUP message
 949 bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
 950 {
 951     wxMenu* menu = NULL;
 952     if (GetMenuBar())
 953     {
 954         int nCount = GetMenuBar()->GetMenuCount();
 955         for (int n = 0; n < nCount; n++)
 956         {
 957             if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
 958             {
 959                 menu = GetMenuBar()->GetMenu(n);
 960                 break;
 961             }
 962         }
 963     }
 964
 965     wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
 966     event.SetEventObject(this);
 967
 968     return GetEventHandler()->ProcessEvent(event);
 969 }