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     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 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 324     if (!GetToolBar())
 325     {
 326         wxToolBar* toolBar = new wxToolBar(this, -1,
 327                          wxDefaultPosition, wxDefaultSize,
 328                          wxBORDER_NONE | wxTB_HORIZONTAL,
 329                          wxToolBarNameStr, menubar);
 330         SetToolBar(toolBar);
 331         menubar->SetToolBar(toolBar);
 332     }
 333         // Now adjust size for menu bar
 334         int menuHeight = 26;
 335
 336         //When the main window is created using CW_USEDEFAULT the height of the
 337         // is created is not taken into account). So we resize the window after
 338         // if a menubar is present
 339         {
 340                 RECT rc;
 341                 ::GetWindowRect((HWND) GetHWND(), &rc);
 342                 // adjust for menu / titlebar height
 343                 rc.bottom -= (2*menuHeight-1);
 344
 345                 MoveWindow((HWND) GetHWND(), rc.left, rc.top, rc.right, rc.bottom, FALSE);
 346         }
 347 #endif
 348
 349     wxFrameBase::AttachMenuBar(menubar);
 350
 351     if ( !menubar )
 352     {
 353         // actually remove the menu from the frame
 354         m_hMenu = (WXHMENU)0;
 355         InternalSetMenuBar();
 356     }
 357     else // set new non NULL menu bar
 358     {
 359 #if !defined(__WXWINCE__) || (_WIN32_WCE >= 400 && !defined(WIN32_PLATFORM_PSPC) && !defined(WIN32_PLATFORM_WFSP))
 360         // Can set a menubar several times.
 361         if ( menubar->GetHMenu() )
 362         {
 363             m_hMenu = menubar->GetHMenu();
 364         }
 365         else // no HMENU yet
 366         {
 367             m_hMenu = menubar->Create();
 368
 369             if ( !m_hMenu )
 370             {
 371                 wxFAIL_MSG( _T("failed to create menu bar") );
 372                 return;
 373             }
 374         }
 375 #endif
 376         InternalSetMenuBar();
 377     }
 378 }
 379
 380 void wxFrame::InternalSetMenuBar()
 381 {
 382 #if defined(__WXMICROWIN__) || defined(__WXWINCE__)
 383     // Nothing
 384 #else
 385     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 386     {
 387         wxLogLastError(wxT("SetMenu"));
 388     }
 389 #endif
 390 }
 391
 392 #endif // wxUSE_MENUS_NATIVE
 393
 394 // Responds to colour changes, and passes event on to children.
 395 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 396 {
 397     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 398     Refresh();
 399
 400 #if wxUSE_STATUSBAR
 401     if ( m_frameStatusBar )
 402     {
 403         wxSysColourChangedEvent event2;
 404         event2.SetEventObject( m_frameStatusBar );
 405         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 406     }
 407 #endif // wxUSE_STATUSBAR
 408
 409     // Propagate the event to the non-top-level children
 410     wxWindow::OnSysColourChanged(event);
 411 }
 412
 413 // Pass TRUE to show full screen, FALSE to restore.
 414 bool wxFrame::ShowFullScreen(bool show, long style)
 415 {
 416     if ( IsFullScreen() == show )
 417         return FALSE;
 418
 419     if (show)
 420     {
 421 #if wxUSE_TOOLBAR
 422 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 423         // TODO: hide commandbar
 424 #else
 425         wxToolBar *theToolBar = GetToolBar();
 426         if (theToolBar)
 427             theToolBar->GetSize(NULL, &m_fsToolBarHeight);
 428
 429         // zap the toolbar, menubar, and statusbar
 430
 431         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 432         {
 433             theToolBar->SetSize(-1,0);
 434             theToolBar->Show(FALSE);
 435         }
 436 #endif // __WXWINCE__
 437 #endif // wxUSE_TOOLBAR
 438
 439 #if defined(__WXMICROWIN__)
 440 #elif defined(__WXWINCE__)
 441         // TODO: make it work for WinCE
 442 #else
 443         if (style & wxFULLSCREEN_NOMENUBAR)
 444             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 445 #endif
 446
 447 #if wxUSE_STATUSBAR
 448         wxStatusBar *theStatusBar = GetStatusBar();
 449         if (theStatusBar)
 450             theStatusBar->GetSize(NULL, &m_fsStatusBarHeight);
 451
 452         // Save the number of fields in the statusbar
 453         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 454         {
 455             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 456             //SetStatusBar((wxStatusBar*) NULL);
 457             //delete theStatusBar;
 458             theStatusBar->Show(FALSE);
 459         }
 460         else
 461             m_fsStatusBarFields = 0;
 462 #endif // wxUSE_STATUSBAR
 463     }
 464     else
 465     {
 466 #if wxUSE_TOOLBAR
 467 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 468         // TODO: show commandbar
 469 #else
 470         wxToolBar *theToolBar = GetToolBar();
 471
 472         // restore the toolbar, menubar, and statusbar
 473         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 474         {
 475             theToolBar->SetSize(-1, m_fsToolBarHeight);
 476             theToolBar->Show(TRUE);
 477         }
 478 #endif // __WXWINCE__
 479 #endif // wxUSE_TOOLBAR
 480
 481 #if wxUSE_STATUSBAR
 482         if ( m_fsStyle & wxFULLSCREEN_NOSTATUSBAR )
 483         {
 484             //CreateStatusBar(m_fsStatusBarFields);
 485             if (GetStatusBar())
 486             {
 487                 GetStatusBar()->Show(TRUE);
 488                 PositionStatusBar();
 489             }
 490         }
 491 #endif // wxUSE_STATUSBAR
 492
 493 #if defined(__WXMICROWIN__)
 494 #elif defined(__WXWINCE__)
 495         // TODO: make it work for WinCE
 496 #else
 497         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 498             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 499 #endif
 500     }
 501
 502     return wxFrameBase::ShowFullScreen(show, style);
 503 }
 504
 505 // ----------------------------------------------------------------------------
 506 // tool/status bar stuff
 507 // ----------------------------------------------------------------------------
 508
 509 #if wxUSE_TOOLBAR
 510
 511 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 512 {
 513 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 514     // We may already have a toolbar from calling SetMenuBar.
 515     if (GetToolBar())
 516         return GetToolBar();
 517 #endif
 518     if ( wxFrameBase::CreateToolBar(style, id, name) )
 519     {
 520         PositionToolBar();
 521     }
 522
 523     return m_frameToolBar;
 524 }
 525
 526 void wxFrame::PositionToolBar()
 527 {
 528     wxToolBar *toolbar = GetToolBar();
 529     if ( toolbar && toolbar->IsShown() )
 530     {
 531 #if defined(__WXWINCE__) && (_WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP))
 532         // We want to do something different in WinCE, because
 533         // the toolbar should be associated with the commandbar,
 534         // and not an independent window.
 535         // TODO
 536 #else
 537         // don't call our (or even wxTopLevelWindow) version because we want
 538         // the real (full) client area size, not excluding the tool/status bar
 539         int width, height;
 540         wxWindow::DoGetClientSize(&width, &height);
 541
 542 #if wxUSE_STATUSBAR
 543         wxStatusBar *statbar = GetStatusBar();
 544         if ( statbar && statbar->IsShown() )
 545         {
 546             height -= statbar->GetClientSize().y;
 547         }
 548 #endif // wxUSE_STATUSBAR
 549
 550         int tx, ty;
 551         int tw, th;
 552         toolbar->GetPosition(&tx, &ty);
 553         toolbar->GetSize(&tw, &th);
 554
 555         // Adjust
 556         if (ty < 0 && (-ty == th))
 557             ty = 0;
 558         if (tx < 0 && (-tx == tw))
 559             tx = 0;
 560
 561         int desiredW = tw;
 562         int desiredH = th;
 563
 564         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 565         {
 566             desiredH = height;
 567         }
 568         else
 569         {
 570             desiredW = width;
 571 //            if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
 572 //                desiredW -= 3;
 573         }
 574
 575         // use the 'real' MSW position here, don't offset relativly to the
 576         // client area origin
 577
 578         // Optimise such that we don't have to always resize the toolbar
 579         // when the frame changes, otherwise we'll get a lot of flicker.
 580         bool heightChanging = TRUE;
 581         bool widthChanging = TRUE;
 582
 583         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 584         {
 585             // It's OK if the current height is greater than what can be shown.
 586             heightChanging = (desiredH > th) ;
 587             widthChanging = (desiredW != tw) ;
 588
 589             // The next time around, we may not have to set the size
 590             if (heightChanging)
 591                 desiredH = desiredH + 200;
 592         }
 593         else
 594         {
 595             // It's OK if the current width is greater than what can be shown.
 596             widthChanging = (desiredW > tw) ;
 597             heightChanging = (desiredH != th) ;
 598
 599             // The next time around, we may not have to set the size
 600             if (widthChanging)
 601                 desiredW = desiredW + 200;
 602         }
 603
 604         if (tx != 0 || ty != 0 || widthChanging || heightChanging)
 605             toolbar->SetSize(0, 0, desiredW, desiredH, wxSIZE_NO_ADJUSTMENTS);
 606
 607 #endif // __WXWINCE__
 608     }
 609 }
 610
 611 #endif // wxUSE_TOOLBAR
 612
 613 // ----------------------------------------------------------------------------
 614 // frame state (iconized/maximized/...)
 615 // ----------------------------------------------------------------------------
 616
 617 // propagate our state change to all child frames: this allows us to emulate X
 618 // Windows behaviour where child frames float independently of the parent one
 619 // on the desktop, but are iconized/restored with it
 620 void wxFrame::IconizeChildFrames(bool bIconize)
 621 {
 622     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 623           node;
 624           node = node->GetNext() )
 625     {
 626         wxWindow *win = node->GetData();
 627
 628         // iconizing the frames with this style under Win95 shell puts them at
 629         // the bottom of the screen (as the MDI children) instead of making
 630         // them appear in the taskbar because they are, by virtue of this
 631         // style, not managed by the taskbar - instead leave Windows take care
 632         // of them
 633 #ifdef __WIN95__
 634         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 635             continue;
 636 #endif // Win95
 637
 638         // the child MDI frames are a special case and should not be touched by
 639         // the parent frame - instead, they are managed by the user
 640         wxFrame *frame = wxDynamicCast(win, wxFrame);
 641         if ( frame
 642 #if wxUSE_MDI_ARCHITECTURE
 643                 && !wxDynamicCast(frame, wxMDIChildFrame)
 644 #endif // wxUSE_MDI_ARCHITECTURE
 645            )
 646         {
 647             // we don't want to restore the child frames which had been
 648             // iconized even before we were iconized, so save the child frame
 649             // status when iconizing the parent frame and check it when
 650             // restoring it
 651             if ( bIconize )
 652             {
 653                 frame->m_wasMinimized = frame->IsIconized();
 654             }
 655
 656             // note that we shouldn't touch the hidden frames neither because
 657             // iconizing/restoring them would show them as a side effect
 658             if ( !frame->m_wasMinimized && frame->IsShown() )
 659                 frame->Iconize(bIconize);
 660         }
 661     }
 662 }
 663
 664 WXHICON wxFrame::GetDefaultIcon() const
 665 {
 666     // we don't have any standard icons (any more)
 667     return (WXHICON)0;
 668 }
 669
 670 // ===========================================================================
 671 // message processing
 672 // ===========================================================================
 673
 674 // ---------------------------------------------------------------------------
 675 // preprocessing
 676 // ---------------------------------------------------------------------------
 677
 678 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 679 {
 680     if ( wxWindow::MSWTranslateMessage(pMsg) )
 681         return TRUE;
 682
 683 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 684     // try the menu bar accels
 685     wxMenuBar *menuBar = GetMenuBar();
 686     if ( !menuBar )
 687         return FALSE;
 688
 689     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 690     return acceleratorTable.Translate(this, pMsg);
 691 #else
 692     return FALSE;
 693 #endif // wxUSE_MENUS && wxUSE_ACCEL
 694 }
 695
 696 // ---------------------------------------------------------------------------
 697 // our private (non virtual) message handlers
 698 // ---------------------------------------------------------------------------
 699
 700 bool wxFrame::HandlePaint()
 701 {
 702     RECT rect;
 703     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 704     {
 705 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 706         if ( m_iconized )
 707         {
 708             const wxIcon& icon = GetIcon();
 709             HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 710                                     : (HICON)GetDefaultIcon();
 711
 712             // Hold a pointer to the dc so long as the OnPaint() message
 713             // is being processed
 714             PAINTSTRUCT ps;
 715             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 716
 717             // Erase background before painting or we get white background
 718             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 719
 720             if ( hIcon )
 721             {
 722                 RECT rect;
 723                 ::GetClientRect(GetHwnd(), &rect);
 724
 725                 // FIXME: why hardcoded?
 726                 static const int icon_width = 32;
 727                 static const int icon_height = 32;
 728
 729                 int icon_x = (int)((rect.right - icon_width)/2);
 730                 int icon_y = (int)((rect.bottom - icon_height)/2);
 731
 732                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 733             }
 734
 735             ::EndPaint(GetHwnd(), &ps);
 736
 737             return TRUE;
 738         }
 739         else
 740  #endif
 741         {
 742             return wxWindow::HandlePaint();
 743         }
 744     }
 745     else
 746     {
 747         // nothing to paint - processed
 748         return TRUE;
 749     }
 750 }
 751
 752 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 753 {
 754     bool processed = FALSE;
 755 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 756
 757     switch ( id )
 758     {
 759         case SIZENORMAL:
 760             // only do it it if we were iconized before, otherwise resizing the
 761             // parent frame has a curious side effect of bringing it under it's
 762             // children
 763             if ( !m_iconized )
 764                 break;
 765
 766             // restore all child frames too
 767             IconizeChildFrames(FALSE);
 768
 769             (void)SendIconizeEvent(FALSE);
 770
 771             // fall through
 772
 773         case SIZEFULLSCREEN:
 774             m_iconized = FALSE;
 775             break;
 776
 777         case SIZEICONIC:
 778             // iconize all child frames too
 779             IconizeChildFrames(TRUE);
 780
 781             (void)SendIconizeEvent();
 782
 783             m_iconized = TRUE;
 784             break;
 785     }
 786 #endif
 787
 788     if ( !m_iconized )
 789     {
 790 #if wxUSE_STATUSBAR
 791         PositionStatusBar();
 792 #endif // wxUSE_STATUSBAR
 793
 794 #if wxUSE_TOOLBAR
 795         PositionToolBar();
 796 #endif // wxUSE_TOOLBAR
 797
 798         processed = wxWindow::HandleSize(x, y, id);
 799     }
 800
 801     return processed;
 802 }
 803
 804 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 805 {
 806     if ( control )
 807     {
 808         // In case it's e.g. a toolbar.
 809         wxWindow *win = wxFindWinFromHandle(control);
 810         if ( win )
 811             return win->MSWCommand(cmd, id);
 812     }
 813
 814     // handle here commands from menus and accelerators
 815     if ( cmd == 0 || cmd == 1 )
 816     {
 817 #if wxUSE_MENUS_NATIVE
 818         if ( wxCurrentPopupMenu )
 819         {
 820             wxMenu *popupMenu = wxCurrentPopupMenu;
 821             wxCurrentPopupMenu = NULL;
 822
 823             return popupMenu->MSWCommand(cmd, id);
 824         }
 825 #endif // wxUSE_MENUS_NATIVE
 826
 827         if ( ProcessCommand(id) )
 828         {
 829             return TRUE;
 830         }
 831     }
 832
 833     return FALSE;
 834 }
 835
 836 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 837 {
 838     int item;
 839     if ( flags == 0xFFFF && hMenu == 0 )
 840     {
 841         // menu was removed from screen
 842         item = -1;
 843     }
 844 #ifndef __WXMICROWIN__
 845     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 846     {
 847         item = nItem;
 848     }
 849 #endif
 850     else
 851     {
 852         // don't give hints for separators (doesn't make sense) nor for the
 853         // items opening popup menus (they don't have them anyhow) but do clear
 854         // the status line - otherwise, we would be left with the help message
 855         // for the previous item which doesn't apply any more
 856         DoGiveHelp(wxEmptyString, FALSE);
 857
 858         return FALSE;
 859     }
 860
 861     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 862     event.SetEventObject(this);
 863
 864     return GetEventHandler()->ProcessEvent(event);
 865 }
 866
 867 bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
 868 {
 869     // we don't have the menu id here, so we use the id to specify if the event
 870     // was from a popup menu or a normal one
 871     wxMenuEvent event(evtType, isPopup ? -1 : 0);
 872     event.SetEventObject(this);
 873
 874     return GetEventHandler()->ProcessEvent(event);
 875 }
 876
 877 // ---------------------------------------------------------------------------
 878 // the window proc for wxFrame
 879 // ---------------------------------------------------------------------------
 880
 881 WXLRESULT wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 882 {
 883     WXLRESULT rc = 0;
 884     bool processed = FALSE;
 885
 886     switch ( message )
 887     {
 888         case WM_CLOSE:
 889             // if we can't close, tell the system that we processed the
 890             // message - otherwise it would close us
 891             processed = !Close();
 892             break;
 893
 894         case WM_SIZE:
 895             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 896             break;
 897
 898         case WM_COMMAND:
 899             {
 900                 WORD id, cmd;
 901                 WXHWND hwnd;
 902                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 903                               &id, &hwnd, &cmd);
 904
 905                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 906             }
 907             break;
 908
 909         case WM_PAINT:
 910             processed = HandlePaint();
 911             break;
 912
 913         case WM_INITMENUPOPUP:
 914             processed = HandleInitMenuPopup((WXHMENU) wParam);
 915             break;
 916
 917 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 918         case WM_MENUSELECT:
 919             {
 920                 WXWORD item, flags;
 921                 WXHMENU hmenu;
 922                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 923
 924                 processed = HandleMenuSelect(item, flags, hmenu);
 925             }
 926             break;
 927
 928         case WM_EXITMENULOOP:
 929             processed = HandleMenuLoop(wxEVT_MENU_CLOSE, wParam);
 930             break;
 931
 932         case WM_QUERYDRAGICON:
 933             {
 934                 const wxIcon& icon = GetIcon();
 935                 HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 936                                         : (HICON)GetDefaultIcon();
 937                 rc = (long)hIcon;
 938                 processed = rc != 0;
 939             }
 940             break;
 941 #endif // !__WXMICROWIN__
 942     }
 943
 944     if ( !processed )
 945         rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
 946
 947     return rc;
 948 }
 949
 950 // handle WM_INITMENUPOPUP message
 951 bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
 952 {
 953     wxMenu* menu = NULL;
 954     if (GetMenuBar())
 955     {
 956         int nCount = GetMenuBar()->GetMenuCount();
 957         for (int n = 0; n < nCount; n++)
 958         {
 959             if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
 960             {
 961                 menu = GetMenuBar()->GetMenu(n);
 962                 break;
 963             }
 964         }
 965     }
 966
 967     wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
 968     event.SetEventObject(this);
 969
 970     return GetEventHandler()->ProcessEvent(event);
 971 }