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 and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  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/setup.h"
  33     #include "wx/frame.h"
  34     #include "wx/menu.h"
  35     #include "wx/app.h"
  36     #include "wx/utils.h"
  37     #include "wx/dialog.h"
  38     #include "wx/settings.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/mdi.h"
  41 #endif // WX_PRECOMP
  42
  43 #include "wx/msw/private.h"
  44
  45 #if wxUSE_STATUSBAR
  46     #include "wx/statusbr.h"
  47     #include "wx/generic/statusbr.h"
  48 #endif // wxUSE_STATUSBAR
  49
  50 #if wxUSE_TOOLBAR
  51     #include "wx/toolbar.h"
  52 #endif // wxUSE_TOOLBAR
  53
  54 #include "wx/menuitem.h"
  55 #include "wx/log.h"
  56
  57 // ----------------------------------------------------------------------------
  58 // globals
  59 // ----------------------------------------------------------------------------
  60
  61 extern wxWindowList wxModelessWindows;
  62 extern wxList WXDLLEXPORT wxPendingDelete;
  63 extern const wxChar *wxFrameClassName;
  64 extern wxMenu *wxCurrentPopupMenu;
  65
  66 // ----------------------------------------------------------------------------
  67 // event tables
  68 // ----------------------------------------------------------------------------
  69
  70 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  71     EVT_ACTIVATE(wxFrame::OnActivate)
  72     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  73 END_EVENT_TABLE()
  74
  75 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  76
  77 // ============================================================================
  78 // implementation
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // static class members
  83 // ----------------------------------------------------------------------------
  84
  85 #if wxUSE_NATIVE_STATUSBAR
  86     bool wxFrame::m_useNativeStatusBar = TRUE;
  87 #else
  88     bool wxFrame::m_useNativeStatusBar = FALSE;
  89 #endif
  90
  91 // ----------------------------------------------------------------------------
  92 // creation/destruction
  93 // ----------------------------------------------------------------------------
  94
  95 void wxFrame::Init()
  96 {
  97     m_iconized = FALSE;
  98
  99 #if wxUSE_TOOLTIPS
 100     m_hwndToolTip = 0;
 101 #endif
 102
 103     // Data to save/restore when calling ShowFullScreen
 104     m_fsStyle = 0;
 105     m_fsOldWindowStyle = 0;
 106     m_fsStatusBarFields = 0;
 107     m_fsStatusBarHeight = 0;
 108     m_fsToolBarHeight = 0;
 109 //    m_fsMenu = 0;
 110     m_fsIsMaximized = FALSE;
 111     m_fsIsShowing = FALSE;
 112 }
 113
 114 bool wxFrame::Create(wxWindow *parent,
 115                      wxWindowID id,
 116                      const wxString& title,
 117                      const wxPoint& pos,
 118                      const wxSize& size,
 119                      long style,
 120                      const wxString& name)
 121 {
 122   SetName(name);
 123   m_windowStyle = style;
 124   m_frameMenuBar = NULL;
 125   m_frameToolBar = NULL;
 126   m_frameStatusBar = NULL;
 127
 128   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 129
 130   if ( id > -1 )
 131     m_windowId = id;
 132   else
 133     m_windowId = (int)NewControlId();
 134
 135   if (parent) parent->AddChild(this);
 136
 137   int x = pos.x;
 138   int y = pos.y;
 139   int width = size.x;
 140   int height = size.y;
 141
 142   m_iconized = FALSE;
 143
 144   // we pass NULL as parent to MSWCreate because frames with parents behave
 145   // very strangely under Win95 shell
 146   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 147   // with this style.
 148   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 149     parent = NULL;
 150
 151   if (!parent)
 152     wxTopLevelWindows.Append(this);
 153
 154   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 155             x, y, width, height, style);
 156
 157   wxModelessWindows.Append(this);
 158   return TRUE;
 159 }
 160
 161 wxFrame::~wxFrame()
 162 {
 163   m_isBeingDeleted = TRUE;
 164   wxTopLevelWindows.DeleteObject(this);
 165
 166   DeleteAllBars();
 167
 168   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 169   {
 170     wxTheApp->SetTopWindow(NULL);
 171
 172     if (wxTheApp->GetExitOnFrameDelete())
 173     {
 174        PostQuitMessage(0);
 175     }
 176   }
 177
 178   wxModelessWindows.DeleteObject(this);
 179
 180   // For some reason, wxWindows can activate another task altogether
 181   // when a frame is destroyed after a modal dialog has been invoked.
 182   // Try to bring the parent to the top.
 183   // MT:Only do this if this frame is currently the active window, else weird
 184   // things start to happen
 185   if ( wxGetActiveWindow() == this )
 186   if (GetParent() && GetParent()->GetHWND())
 187     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 188 }
 189
 190 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 191 void wxFrame::DoGetClientSize(int *x, int *y) const
 192 {
 193   RECT rect;
 194   ::GetClientRect(GetHwnd(), &rect);
 195
 196 #if wxUSE_STATUSBAR
 197   if ( GetStatusBar() && GetStatusBar()->IsShown() )
 198   {
 199     int statusX, statusY;
 200     GetStatusBar()->GetClientSize(&statusX, &statusY);
 201     rect.bottom -= statusY;
 202   }
 203 #endif // wxUSE_STATUSBAR
 204
 205   wxPoint pt(GetClientAreaOrigin());
 206   rect.bottom -= pt.y;
 207   rect.right -= pt.x;
 208
 209   if ( x )
 210     *x = rect.right;
 211   if ( y )
 212     *y = rect.bottom;
 213 }
 214
 215 // Set the client size (i.e. leave the calculation of borders etc.
 216 // to wxWindows)
 217 void wxFrame::DoSetClientSize(int width, int height)
 218 {
 219   HWND hWnd = GetHwnd();
 220
 221   RECT rect;
 222   ::GetClientRect(hWnd, &rect);
 223
 224   RECT rect2;
 225   GetWindowRect(hWnd, &rect2);
 226
 227   // Find the difference between the entire window (title bar and all)
 228   // and the client area; add this to the new client size to move the
 229   // window
 230   int actual_width = rect2.right - rect2.left - rect.right + width;
 231   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 232
 233 #if wxUSE_STATUSBAR
 234   if ( GetStatusBar() && GetStatusBar()->IsShown())
 235   {
 236     int statusX, statusY;
 237     GetStatusBar()->GetClientSize(&statusX, &statusY);
 238     actual_height += statusY;
 239   }
 240 #endif // wxUSE_STATUSBAR
 241
 242   wxPoint pt(GetClientAreaOrigin());
 243   actual_width += pt.y;
 244   actual_height += pt.x;
 245
 246   POINT point;
 247   point.x = rect2.left;
 248   point.y = rect2.top;
 249
 250   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 251
 252   wxSizeEvent event(wxSize(width, height), m_windowId);
 253   event.SetEventObject( this );
 254   GetEventHandler()->ProcessEvent(event);
 255 }
 256
 257 void wxFrame::DoGetSize(int *width, int *height) const
 258 {
 259   RECT rect;
 260   GetWindowRect(GetHwnd(), &rect);
 261   *width = rect.right - rect.left;
 262   *height = rect.bottom - rect.top;
 263 }
 264
 265 void wxFrame::DoGetPosition(int *x, int *y) const
 266 {
 267   RECT rect;
 268   GetWindowRect(GetHwnd(), &rect);
 269   POINT point;
 270   point.x = rect.left;
 271   point.y = rect.top;
 272
 273   *x = point.x;
 274   *y = point.y;
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // variations around ::ShowWindow()
 279 // ----------------------------------------------------------------------------
 280
 281 void wxFrame::DoShowWindow(int nShowCmd)
 282 {
 283     ::ShowWindow(GetHwnd(), nShowCmd);
 284
 285     m_iconized = nShowCmd == SW_MINIMIZE;
 286 }
 287
 288 bool wxFrame::Show(bool show)
 289 {
 290     DoShowWindow(show ? SW_SHOW : SW_HIDE);
 291
 292     if ( show )
 293     {
 294         ::BringWindowToTop(GetHwnd());
 295
 296         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 297         event.SetEventObject( this );
 298         GetEventHandler()->ProcessEvent(event);
 299     }
 300     else
 301     {
 302         // Try to highlight the correct window (the parent)
 303         if ( GetParent() )
 304         {
 305             HWND hWndParent = GetHwndOf(GetParent());
 306             if (hWndParent)
 307                 ::BringWindowToTop(hWndParent);
 308         }
 309     }
 310
 311     return TRUE;
 312 }
 313
 314 void wxFrame::Iconize(bool iconize)
 315 {
 316     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 317 }
 318
 319 void wxFrame::Maximize(bool maximize)
 320 {
 321     DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 322 }
 323
 324 void wxFrame::Restore()
 325 {
 326     DoShowWindow(SW_RESTORE);
 327 }
 328
 329 bool wxFrame::IsIconized() const
 330 {
 331   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 332   return m_iconized;
 333 }
 334
 335 // Is it maximized?
 336 bool wxFrame::IsMaximized() const
 337 {
 338     return (::IsZoomed(GetHwnd()) != 0);
 339 }
 340
 341 void wxFrame::SetIcon(const wxIcon& icon)
 342 {
 343     wxFrameBase::SetIcon(icon);
 344
 345 #if defined(__WIN95__)
 346     if ( m_icon.Ok() )
 347     {
 348         SendMessage(GetHwnd(), WM_SETICON,
 349                     (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 350     }
 351 #endif // __WIN95__
 352 }
 353
 354 #if wxUSE_STATUSBAR
 355 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 356                                         long style,
 357                                         wxWindowID id,
 358                                         const wxString& name)
 359 {
 360     wxStatusBar *statusBar = NULL;
 361
 362 #if wxUSE_NATIVE_STATUSBAR
 363     if ( UsesNativeStatusBar() )
 364     {
 365         statusBar = (wxStatusBar *)new wxStatusBar95(this, id, style);
 366
 367         statusBar->SetFieldsCount(number);
 368     }
 369     else
 370 #endif
 371     {
 372         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style, name);
 373
 374         // Set the height according to the font and the border size
 375         wxClientDC dc(statusBar);
 376         dc.SetFont(statusBar->GetFont());
 377
 378         wxCoord y;
 379         dc.GetTextExtent(_T("X"), NULL, &y );
 380
 381         int height = (int)( (11*y)/10 + 2*statusBar->GetBorderY());
 382
 383         statusBar->SetSize(-1, -1, -1, height);
 384
 385         statusBar->SetFieldsCount(number);
 386     }
 387
 388     return statusBar;
 389 }
 390
 391 void wxFrame::PositionStatusBar()
 392 {
 393     if ( !m_frameStatusBar )
 394         return;
 395
 396     int w, h;
 397     GetClientSize(&w, &h);
 398     int sw, sh;
 399     m_frameStatusBar->GetSize(&sw, &sh);
 400
 401     // Since we wish the status bar to be directly under the client area,
 402     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 403     m_frameStatusBar->SetSize(0, h, w, sh);
 404 }
 405 #endif // wxUSE_STATUSBAR
 406
 407 void wxFrame::DetachMenuBar()
 408 {
 409     if (m_frameMenuBar)
 410     {
 411         m_frameMenuBar->Detach();
 412         m_frameMenuBar = NULL;
 413     }
 414 }
 415
 416 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 417 {
 418     if (!menu_bar)
 419     {
 420         DetachMenuBar();
 421         return;
 422     }
 423
 424     m_frameMenuBar = NULL;
 425
 426     // Can set a menubar several times.
 427     // TODO: how to prevent a memory leak if you have a currently-unattached
 428     // menubar? wxWindows assumes that the frame will delete the menu (otherwise
 429     // there are problems for MDI).
 430     if (menu_bar->GetHMenu())
 431     {
 432         m_hMenu = menu_bar->GetHMenu();
 433     }
 434     else
 435     {
 436         menu_bar->Detach();
 437
 438         m_hMenu = menu_bar->Create();
 439
 440         if ( !m_hMenu )
 441             return;
 442     }
 443
 444     InternalSetMenuBar();
 445
 446     m_frameMenuBar = menu_bar;
 447     menu_bar->Attach(this);
 448
 449 #if 0 // Old code that assumes only one call of SetMenuBar per frame.
 450     if (!menu_bar)
 451     {
 452         DetachMenuBar();
 453         return;
 454     }
 455
 456     wxCHECK_RET( !menu_bar->GetFrame(), wxT("this menubar is already attached") );
 457
 458     if (m_frameMenuBar)
 459         delete m_frameMenuBar;
 460
 461     m_hMenu = menu_bar->Create();
 462
 463     if ( !m_hMenu )
 464         return;
 465
 466     InternalSetMenuBar();
 467
 468     m_frameMenuBar = menu_bar;
 469     menu_bar->Attach(this);
 470 #endif
 471 }
 472
 473 void wxFrame::InternalSetMenuBar()
 474 {
 475     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 476     {
 477         wxLogLastError("SetMenu");
 478     }
 479 }
 480
 481 // Responds to colour changes, and passes event on to children.
 482 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 483 {
 484     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 485     Refresh();
 486
 487     if ( m_frameStatusBar )
 488     {
 489         wxSysColourChangedEvent event2;
 490         event2.SetEventObject( m_frameStatusBar );
 491         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 492     }
 493
 494     // Propagate the event to the non-top-level children
 495     wxWindow::OnSysColourChanged(event);
 496 }
 497
 498 // Pass TRUE to show full screen, FALSE to restore.
 499 bool wxFrame::ShowFullScreen(bool show, long style)
 500 {
 501     if (show)
 502     {
 503         if (IsFullScreen())
 504             return FALSE;
 505
 506         m_fsIsShowing = TRUE;
 507         m_fsStyle = style;
 508
 509              wxToolBar *theToolBar = GetToolBar();
 510              wxStatusBar *theStatusBar = GetStatusBar();
 511
 512         int dummyWidth;
 513
 514         if (theToolBar)
 515             theToolBar->GetSize(&dummyWidth, &m_fsToolBarHeight);
 516         if (theStatusBar)
 517             theStatusBar->GetSize(&dummyWidth, &m_fsStatusBarHeight);
 518
 519         // zap the toolbar, menubar, and statusbar
 520
 521         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 522         {
 523             theToolBar->SetSize(-1,0);
 524             theToolBar->Show(FALSE);
 525         }
 526
 527         if (style & wxFULLSCREEN_NOMENUBAR)
 528             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 529
 530         // Save the number of fields in the statusbar
 531         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 532         {
 533             m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 534             SetStatusBar((wxStatusBar*) NULL);
 535                  delete theStatusBar;
 536         }
 537         else
 538             m_fsStatusBarFields = 0;
 539
 540         // zap the frame borders
 541
 542         // save the 'normal' window style
 543         m_fsOldWindowStyle = GetWindowLong((HWND)GetHWND(), GWL_STYLE);
 544
 545             // save the old position, width & height, maximize state
 546         m_fsOldSize = GetRect();
 547              m_fsIsMaximized = IsMaximized();
 548
 549             // decide which window style flags to turn off
 550         LONG newStyle = m_fsOldWindowStyle;
 551         LONG offFlags = 0;
 552
 553         if (style & wxFULLSCREEN_NOBORDER)
 554             offFlags |= WS_BORDER;
 555         if (style & wxFULLSCREEN_NOCAPTION)
 556             offFlags |= (WS_CAPTION | WS_SYSMENU);
 557
 558         newStyle &= (~offFlags);
 559
 560         // change our window style to be compatible with full-screen mode
 561         SetWindowLong((HWND)GetHWND(), GWL_STYLE, newStyle);
 562
 563         // resize to the size of the desktop
 564         int width, height;
 565
 566         RECT rect;
 567         ::GetWindowRect(GetDesktopWindow(), &rect);
 568         width = rect.right - rect.left;
 569         height = rect.bottom - rect.top;
 570
 571         SetSize(width, height);
 572
 573         // now flush the window style cache and actually go full-screen
 574         SetWindowPos((HWND)GetHWND(), HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
 575
 576         wxSizeEvent event(wxSize(width, height), GetId());
 577         GetEventHandler()->ProcessEvent(event);
 578
 579         return TRUE;
 580     }
 581     else
 582     {
 583         if (!IsFullScreen())
 584             return FALSE;
 585
 586         m_fsIsShowing = FALSE;
 587
 588         wxToolBar *theToolBar = GetToolBar();
 589
 590         // restore the toolbar, menubar, and statusbar
 591         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 592         {
 593             theToolBar->SetSize(-1, m_fsToolBarHeight);
 594             theToolBar->Show(TRUE);
 595         }
 596
 597         if ((m_fsStyle & wxFULLSCREEN_NOSTATUSBAR) && (m_fsStatusBarFields > 0))
 598         {
 599             CreateStatusBar(m_fsStatusBarFields);
 600             PositionStatusBar();
 601         }
 602
 603         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 604             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 605
 606         Maximize(m_fsIsMaximized);
 607         SetWindowLong((HWND)GetHWND(),GWL_STYLE, m_fsOldWindowStyle);
 608         SetWindowPos((HWND)GetHWND(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 609             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 610
 611         return TRUE;
 612     }
 613 }
 614
 615 /*
 616  * Frame window
 617  *
 618  */
 619
 620 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 621                    int x, int y, int width, int height, long style)
 622
 623 {
 624   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 625
 626   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 627   // could be the culprit. But without it, you can get a lot of flicker.
 628
 629   DWORD msflags = 0;
 630   if ((style & wxCAPTION) == wxCAPTION)
 631     msflags = WS_OVERLAPPED;
 632   else
 633     msflags = WS_POPUP;
 634
 635   if (style & wxMINIMIZE_BOX)
 636     msflags |= WS_MINIMIZEBOX;
 637   if (style & wxMAXIMIZE_BOX)
 638     msflags |= WS_MAXIMIZEBOX;
 639   if (style & wxTHICK_FRAME)
 640     msflags |= WS_THICKFRAME;
 641   if (style & wxSYSTEM_MENU)
 642     msflags |= WS_SYSMENU;
 643   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 644     msflags |= WS_MINIMIZE;
 645   if (style & wxMAXIMIZE)
 646     msflags |= WS_MAXIMIZE;
 647   if (style & wxCAPTION)
 648     msflags |= WS_CAPTION;
 649   if (style & wxCLIP_CHILDREN)
 650     msflags |= WS_CLIPCHILDREN;
 651
 652   // Keep this in wxFrame because it saves recoding this function
 653   // in wxTinyFrame
 654 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
 655   if (style & wxTINY_CAPTION_VERT)
 656     msflags |= IBS_VERTCAPTION;
 657   if (style & wxTINY_CAPTION_HORIZ)
 658     msflags |= IBS_HORZCAPTION;
 659 #else
 660   if (style & wxTINY_CAPTION_VERT)
 661     msflags |= WS_CAPTION;
 662   if (style & wxTINY_CAPTION_HORIZ)
 663     msflags |= WS_CAPTION;
 664 #endif
 665   if ((style & wxTHICK_FRAME) == 0)
 666     msflags |= WS_BORDER;
 667
 668   WXDWORD extendedStyle = MakeExtendedStyle(style);
 669
 670 #if !defined(__WIN16__) && !defined(__SC__)
 671   if (style & wxFRAME_TOOL_WINDOW)
 672     extendedStyle |= WS_EX_TOOLWINDOW;
 673 #endif
 674
 675   if (style & wxSTAY_ON_TOP)
 676     extendedStyle |= WS_EX_TOPMOST;
 677
 678   m_iconized = FALSE;
 679   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 680          msflags, NULL, extendedStyle) )
 681          return FALSE;
 682
 683   // Seems to be necessary if we use WS_POPUP
 684   // style instead of WS_OVERLAPPED
 685   if (width > -1 && height > -1)
 686     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 687
 688   return TRUE;
 689 }
 690
 691 // Default activation behaviour - set the focus for the first child
 692 // subwindow found.
 693 void wxFrame::OnActivate(wxActivateEvent& event)
 694 {
 695     if ( !event.GetActive() )
 696     {
 697         event.Skip();
 698
 699         return;
 700     }
 701
 702     wxLogTrace(_T("focus"), _T("wxFrame %08x activated."), m_hWnd);
 703
 704     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 705           node;
 706           node = node->GetNext() )
 707     {
 708         // FIXME all this is totally bogus - we need to do the same as wxPanel,
 709         //       but how to do it without duplicating the code?
 710
 711         // restore focus
 712         wxWindow *child = node->GetData();
 713
 714         if ( !child->IsTopLevel()
 715 #if wxUSE_TOOLBAR
 716              && !wxDynamicCast(child, wxToolBar)
 717 #endif // wxUSE_TOOLBAR
 718 #if wxUSE_STATUSBAR
 719              && !wxDynamicCast(child, wxStatusBar)
 720 #endif // wxUSE_STATUSBAR
 721            )
 722         {
 723             child->SetFocus();
 724             break;
 725         }
 726     }
 727 }
 728
 729 // ----------------------------------------------------------------------------
 730 // tool/status bar stuff
 731 // ----------------------------------------------------------------------------
 732
 733 #if wxUSE_TOOLBAR
 734
 735 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 736 {
 737     if ( wxFrameBase::CreateToolBar(style, id, name) )
 738     {
 739         PositionToolBar();
 740     }
 741
 742     return m_frameToolBar;
 743 }
 744
 745 void wxFrame::PositionToolBar()
 746 {
 747     RECT rect;
 748     ::GetClientRect(GetHwnd(), &rect);
 749
 750 #if wxUSE_STATUSBAR
 751     if ( GetStatusBar() )
 752     {
 753         int statusX, statusY;
 754         GetStatusBar()->GetClientSize(&statusX, &statusY);
 755         rect.bottom -= statusY;
 756     }
 757 #endif // wxUSE_STATUSBAR
 758
 759     if ( GetToolBar() && GetToolBar()->IsShown() )
 760     {
 761         int tw, th;
 762         GetToolBar()->GetSize(&tw, &th);
 763
 764         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 765         {
 766             th = rect.bottom;
 767         }
 768         else
 769         {
 770             tw = rect.right;
 771         }
 772
 773         // Use the 'real' MSW position here
 774         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 775     }
 776 }
 777 #endif // wxUSE_TOOLBAR
 778
 779 // ----------------------------------------------------------------------------
 780 // frame state (iconized/maximized/...)
 781 // ----------------------------------------------------------------------------
 782
 783 // propagate our state change to all child frames: this allows us to emulate X
 784 // Windows behaviour where child frames float independently of the parent one
 785 // on the desktop, but are iconized/restored with it
 786 void wxFrame::IconizeChildFrames(bool bIconize)
 787 {
 788     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 789           node;
 790           node = node->GetNext() )
 791     {
 792         wxWindow *win = node->GetData();
 793
 794         // the child MDI frames are a special case and should not be touched by
 795         // the parent frame - instead, they are managed by the user
 796         wxFrame *frame = wxDynamicCast(win, wxFrame);
 797         if ( frame && !wxDynamicCast(frame, wxMDIChildFrame) )
 798         {
 799             frame->Iconize(bIconize);
 800         }
 801     }
 802 }
 803
 804 // ===========================================================================
 805 // message processing
 806 // ===========================================================================
 807
 808 // ---------------------------------------------------------------------------
 809 // preprocessing
 810 // ---------------------------------------------------------------------------
 811
 812 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 813 {
 814     if ( wxWindow::MSWTranslateMessage(pMsg) )
 815         return TRUE;
 816
 817     // try the menu bar accels
 818     wxMenuBar *menuBar = GetMenuBar();
 819     if ( !menuBar )
 820         return FALSE;
 821
 822     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 823     return acceleratorTable.Translate(this, pMsg);
 824 }
 825
 826 // ---------------------------------------------------------------------------
 827 // our private (non virtual) message handlers
 828 // ---------------------------------------------------------------------------
 829
 830 bool wxFrame::HandlePaint()
 831 {
 832     RECT rect;
 833     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 834     {
 835         if ( m_iconized )
 836         {
 837             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 838                                       : (HICON)m_defaultIcon;
 839
 840             // Hold a pointer to the dc so long as the OnPaint() message
 841             // is being processed
 842             PAINTSTRUCT ps;
 843             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 844
 845             // Erase background before painting or we get white background
 846             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 847
 848             if ( hIcon )
 849             {
 850                 RECT rect;
 851                 ::GetClientRect(GetHwnd(), &rect);
 852
 853                 // FIXME: why hardcoded?
 854                 static const int icon_width = 32;
 855                 static const int icon_height = 32;
 856
 857                 int icon_x = (int)((rect.right - icon_width)/2);
 858                 int icon_y = (int)((rect.bottom - icon_height)/2);
 859
 860                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 861             }
 862
 863             ::EndPaint(GetHwnd(), &ps);
 864
 865             return TRUE;
 866         }
 867         else
 868         {
 869             return wxWindow::HandlePaint();
 870         }
 871     }
 872     else
 873     {
 874         // nothing to paint - processed
 875         return TRUE;
 876     }
 877 }
 878
 879 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 880 {
 881     bool processed = FALSE;
 882
 883     switch ( id )
 884     {
 885         case SIZENORMAL:
 886             // only do it it if we were iconized before, otherwise resizing the
 887             // parent frame has a curious side effect of bringing it under it's
 888             // children
 889             if ( !m_iconized )
 890                 break;
 891
 892             // restore all child frames too
 893             IconizeChildFrames(FALSE);
 894
 895             // fall through
 896
 897         case SIZEFULLSCREEN:
 898             m_iconized = FALSE;
 899             break;
 900
 901         case SIZEICONIC:
 902             // iconize all child frames too
 903             IconizeChildFrames(TRUE);
 904
 905             m_iconized = TRUE;
 906             break;
 907     }
 908
 909     if ( !m_iconized )
 910     {
 911         PositionStatusBar();
 912         PositionToolBar();
 913
 914         wxSizeEvent event(wxSize(x, y), m_windowId);
 915         event.SetEventObject( this );
 916         processed = GetEventHandler()->ProcessEvent(event);
 917     }
 918
 919     return processed;
 920 }
 921
 922 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 923 {
 924     if ( control )
 925     {
 926         // In case it's e.g. a toolbar.
 927         wxWindow *win = wxFindWinFromHandle(control);
 928         if ( win )
 929             return win->MSWCommand(cmd, id);
 930     }
 931
 932     // handle here commands from menus and accelerators
 933     if ( cmd == 0 || cmd == 1 )
 934     {
 935         if ( wxCurrentPopupMenu )
 936         {
 937             wxMenu *popupMenu = wxCurrentPopupMenu;
 938             wxCurrentPopupMenu = NULL;
 939
 940             return popupMenu->MSWCommand(cmd, id);
 941         }
 942
 943         if ( ProcessCommand(id) )
 944         {
 945             return TRUE;
 946         }
 947     }
 948
 949     return FALSE;
 950 }
 951
 952 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 953 {
 954     int item;
 955     if ( flags == 0xFFFF && hMenu == 0 )
 956     {
 957         // menu was removed from screen
 958         item = -1;
 959     }
 960     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 961     {
 962         item = nItem;
 963     }
 964     else
 965     {
 966         // don't give hints for separators (doesn't make sense) nor for the
 967         // items opening popup menus (they don't have them anyhow)
 968         return FALSE;
 969     }
 970
 971     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 972     event.SetEventObject( this );
 973
 974     return GetEventHandler()->ProcessEvent(event);
 975 }
 976
 977 // ---------------------------------------------------------------------------
 978 // the window proc for wxFrame
 979 // ---------------------------------------------------------------------------
 980
 981 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 982 {
 983     long rc = 0;
 984     bool processed = FALSE;
 985
 986     switch ( message )
 987     {
 988         case WM_CLOSE:
 989             // if we can't close, tell the system that we processed the
 990             // message - otherwise it would close us
 991             processed = !Close();
 992             break;
 993
 994         case WM_COMMAND:
 995             {
 996                 WORD id, cmd;
 997                 WXHWND hwnd;
 998                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 999                               &id, &hwnd, &cmd);
1000
1001                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
1002             }
1003             break;
1004
1005         case WM_MENUSELECT:
1006             {
1007                 WXWORD item, flags;
1008                 WXHMENU hmenu;
1009                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
1010
1011                 processed = HandleMenuSelect(item, flags, hmenu);
1012             }
1013             break;
1014
1015         case WM_PAINT:
1016             processed = HandlePaint();
1017             break;
1018
1019         case WM_QUERYDRAGICON:
1020             {
1021                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
1022                                           : (HICON)(m_defaultIcon);
1023                 rc = (long)hIcon;
1024                 processed = rc != 0;
1025             }
1026             break;
1027
1028         case WM_SIZE:
1029             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
1030             break;
1031     }
1032
1033     if ( !processed )
1034         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
1035
1036     return rc;
1037 }
1038