src/msw/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "frame.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/setup.h"
  25     #include "wx/frame.h"
  26     #include "wx/menu.h"
  27     #include "wx/app.h"
  28     #include "wx/utils.h"
  29     #include "wx/dialog.h"
  30     #include "wx/settings.h"
  31     #include "wx/dcclient.h"
  32 #endif // WX_PRECOMP
  33
  34 #include "wx/msw/private.h"
  35 #include "wx/statusbr.h"
  36 #include "wx/toolbar.h"
  37 #include "wx/menuitem.h"
  38 #include "wx/log.h"
  39
  40 #if wxUSE_NATIVE_STATUSBAR
  41     #include <wx/msw/statbr95.h>
  42 #endif
  43
  44 extern wxWindowList wxModelessWindows;
  45 extern wxList WXDLLEXPORT wxPendingDelete;
  46 extern wxChar wxFrameClassName[];
  47 extern wxMenu *wxCurrentPopupMenu;
  48
  49 #if !USE_SHARED_LIBRARY
  50 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  51   EVT_SIZE(wxFrame::OnSize)
  52   EVT_ACTIVATE(wxFrame::OnActivate)
  53   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  54   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  55   EVT_IDLE(wxFrame::OnIdle)
  56   EVT_CLOSE(wxFrame::OnCloseWindow)
  57 END_EVENT_TABLE()
  58
  59 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  60 #endif
  61
  62 #if wxUSE_NATIVE_STATUSBAR
  63     bool wxFrame::m_useNativeStatusBar = TRUE;
  64 #else
  65     bool wxFrame::m_useNativeStatusBar = FALSE;
  66 #endif
  67
  68 wxFrame::wxFrame()
  69 {
  70   m_frameToolBar = NULL ;
  71   m_frameMenuBar = NULL;
  72   m_frameStatusBar = NULL;
  73
  74   m_iconized = FALSE;
  75 }
  76
  77 bool wxFrame::Create(wxWindow *parent,
  78            wxWindowID id,
  79            const wxString& title,
  80            const wxPoint& pos,
  81            const wxSize& size,
  82            long style,
  83            const wxString& name)
  84 {
  85 #if wxUSE_TOOLTIPS
  86     m_hwndToolTip = 0;
  87 #endif
  88
  89   SetName(name);
  90   m_windowStyle = style;
  91   m_frameMenuBar = NULL;
  92   m_frameToolBar = NULL ;
  93   m_frameStatusBar = NULL;
  94
  95   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
  96
  97 //  m_icon = NULL;
  98   if ( id > -1 )
  99     m_windowId = id;
 100   else
 101     m_windowId = (int)NewControlId();
 102
 103   if (parent) parent->AddChild(this);
 104
 105   int x = pos.x;
 106   int y = pos.y;
 107   int width = size.x;
 108   int height = size.y;
 109
 110   m_iconized = FALSE;
 111
 112   // we pass NULL as parent to MSWCreate because frames with parents behave
 113   // very strangely under Win95 shell
 114   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 115   // with this style.
 116   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 117     parent = NULL;
 118
 119   if (!parent)
 120     wxTopLevelWindows.Append(this);
 121
 122   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 123             x, y, width, height, style);
 124
 125   wxModelessWindows.Append(this);
 126   return TRUE;
 127 }
 128
 129 wxFrame::~wxFrame()
 130 {
 131   m_isBeingDeleted = TRUE;
 132   wxTopLevelWindows.DeleteObject(this);
 133
 134   if (m_frameStatusBar)
 135     delete m_frameStatusBar;
 136   if (m_frameMenuBar)
 137     delete m_frameMenuBar;
 138
 139 /* New behaviour March 1998: check if it's the last top-level window */
 140 //  if (wxTheApp && (this == wxTheApp->GetTopWindow()))
 141
 142   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 143   {
 144     wxTheApp->SetTopWindow(NULL);
 145
 146     if (wxTheApp->GetExitOnFrameDelete())
 147     {
 148        PostQuitMessage(0);
 149     }
 150   }
 151
 152   wxModelessWindows.DeleteObject(this);
 153
 154   // For some reason, wxWindows can activate another task altogether
 155   // when a frame is destroyed after a modal dialog has been invoked.
 156   // Try to bring the parent to the top.
 157   if (GetParent() && GetParent()->GetHWND())
 158     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 159 }
 160
 161 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 162 void wxFrame::DoGetClientSize(int *x, int *y) const
 163 {
 164   RECT rect;
 165   ::GetClientRect(GetHwnd(), &rect);
 166
 167   if ( GetStatusBar() )
 168   {
 169     int statusX, statusY;
 170     GetStatusBar()->GetClientSize(&statusX, &statusY);
 171     rect.bottom -= statusY;
 172   }
 173
 174   wxPoint pt(GetClientAreaOrigin());
 175   rect.bottom -= pt.y;
 176   rect.right -= pt.x;
 177
 178   *x = rect.right;
 179   *y = rect.bottom;
 180 }
 181
 182 // Set the client size (i.e. leave the calculation of borders etc.
 183 // to wxWindows)
 184 void wxFrame::DoSetClientSize(int width, int height)
 185 {
 186   HWND hWnd = GetHwnd();
 187
 188   RECT rect;
 189   ::GetClientRect(hWnd, &rect);
 190
 191   RECT rect2;
 192   GetWindowRect(hWnd, &rect2);
 193
 194   // Find the difference between the entire window (title bar and all)
 195   // and the client area; add this to the new client size to move the
 196   // window
 197   int actual_width = rect2.right - rect2.left - rect.right + width;
 198   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 199
 200   if ( GetStatusBar() )
 201   {
 202     int statusX, statusY;
 203     GetStatusBar()->GetClientSize(&statusX, &statusY);
 204     actual_height += statusY;
 205   }
 206
 207   wxPoint pt(GetClientAreaOrigin());
 208   actual_width += pt.y;
 209   actual_height += pt.x;
 210
 211   POINT point;
 212   point.x = rect2.left;
 213   point.y = rect2.top;
 214
 215   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 216
 217   wxSizeEvent event(wxSize(width, height), m_windowId);
 218   event.SetEventObject( this );
 219   GetEventHandler()->ProcessEvent(event);
 220 }
 221
 222 void wxFrame::DoGetSize(int *width, int *height) const
 223 {
 224   RECT rect;
 225   GetWindowRect(GetHwnd(), &rect);
 226   *width = rect.right - rect.left;
 227   *height = rect.bottom - rect.top;
 228 }
 229
 230 void wxFrame::DoGetPosition(int *x, int *y) const
 231 {
 232   RECT rect;
 233   GetWindowRect(GetHwnd(), &rect);
 234   POINT point;
 235   point.x = rect.left;
 236   point.y = rect.top;
 237
 238   *x = point.x;
 239   *y = point.y;
 240 }
 241
 242 void wxFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 243 {
 244     wxWindow::DoSetSize(x, y, width, height, sizeFlags);
 245
 246     wxSizeEvent event(wxSize(width, height), m_windowId);
 247     event.SetEventObject( this );
 248     GetEventHandler()->ProcessEvent(event);
 249 }
 250
 251 bool wxFrame::Show(bool show)
 252 {
 253   int cshow;
 254   if (show)
 255     cshow = SW_SHOW;
 256   else
 257     cshow = SW_HIDE;
 258
 259   if (!show)
 260   {
 261     // Try to highlight the correct window (the parent)
 262     HWND hWndParent = 0;
 263     if (GetParent())
 264     {
 265       hWndParent = (HWND) GetParent()->GetHWND();
 266       if (hWndParent)
 267         ::BringWindowToTop(hWndParent);
 268     }
 269   }
 270
 271   ShowWindow(GetHwnd(), (BOOL)cshow);
 272   if (show)
 273   {
 274     BringWindowToTop(GetHwnd());
 275
 276     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 277     event.SetEventObject( this );
 278     GetEventHandler()->ProcessEvent(event);
 279   }
 280   return TRUE;
 281 }
 282
 283 void wxFrame::Iconize(bool iconize)
 284 {
 285   if (!iconize)
 286     Show(TRUE);
 287
 288   int cshow;
 289   if (iconize)
 290     cshow = SW_MINIMIZE;
 291   else
 292     cshow = SW_RESTORE;
 293   ShowWindow(GetHwnd(), (BOOL)cshow);
 294   m_iconized = iconize;
 295 }
 296
 297 // Equivalent to maximize/restore in Windows
 298 void wxFrame::Maximize(bool maximize)
 299 {
 300   Show(TRUE);
 301   int cshow;
 302   if (maximize)
 303     cshow = SW_MAXIMIZE;
 304   else
 305     cshow = SW_RESTORE;
 306   ShowWindow(GetHwnd(), cshow);
 307   m_iconized = FALSE;
 308 }
 309
 310 bool wxFrame::IsIconized() const
 311 {
 312   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 313   return m_iconized;
 314 }
 315
 316 // Is it maximized?
 317 bool wxFrame::IsMaximized() const
 318 {
 319     return (::IsZoomed(GetHwnd()) != 0) ;
 320 }
 321
 322 void wxFrame::SetIcon(const wxIcon& icon)
 323 {
 324   m_icon = icon;
 325 #if defined(__WIN95__)
 326   if ( m_icon.Ok() )
 327     SendMessage(GetHwnd(), WM_SETICON,
 328                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 329 #endif
 330 }
 331
 332 #if wxUSE_STATUSBAR
 333 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 334     const wxString& name)
 335 {
 336     wxStatusBar *statusBar = NULL;
 337
 338 #if wxUSE_NATIVE_STATUSBAR
 339     if (UsesNativeStatusBar())
 340     {
 341         statusBar = new wxStatusBar95(this, id, style);
 342     }
 343     else
 344 #endif
 345     {
 346         statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 347             style, name);
 348
 349         // Set the height according to the font and the border size
 350         wxClientDC dc(statusBar);
 351         dc.SetFont(statusBar->GetFont());
 352
 353         long x, y;
 354         dc.GetTextExtent("X", &x, &y);
 355
 356         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 357
 358         statusBar->SetSize(-1, -1, 100, height);
 359     }
 360
 361   statusBar->SetFieldsCount(number);
 362   return statusBar;
 363 }
 364
 365 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 366     const wxString& name)
 367 {
 368   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 369   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 370                _T("recreating status bar in wxFrame") );
 371
 372   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 373     name);
 374   if ( m_frameStatusBar )
 375   {
 376     PositionStatusBar();
 377     return m_frameStatusBar;
 378   }
 379   else
 380     return NULL;
 381 }
 382
 383 void wxFrame::SetStatusText(const wxString& text, int number)
 384 {
 385   wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set text for") );
 386
 387   m_frameStatusBar->SetStatusText(text, number);
 388 }
 389
 390 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 391 {
 392   wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set widths for") );
 393
 394   m_frameStatusBar->SetStatusWidths(n, widths_field);
 395   PositionStatusBar();
 396 }
 397
 398 void wxFrame::PositionStatusBar()
 399 {
 400   // native status bar positions itself
 401   if (m_frameStatusBar
 402 #if wxUSE_NATIVE_STATUSBAR
 403    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 404 #endif
 405     )
 406   {
 407       int w, h;
 408       GetClientSize(&w, &h);
 409       int sw, sh;
 410       m_frameStatusBar->GetSize(&sw, &sh);
 411
 412       // Since we wish the status bar to be directly under the client area,
 413       // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 414       m_frameStatusBar->SetSize(0, h, w, sh);
 415   }
 416 }
 417 #endif // wxUSE_STATUSBAR
 418
 419 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 420 {
 421     if (!menu_bar)
 422     {
 423         m_frameMenuBar = NULL;
 424         return;
 425     }
 426
 427     wxCHECK_RET( !menu_bar->GetFrame(), _T("this menubar is already attached") );
 428
 429     if (m_frameMenuBar)
 430         delete m_frameMenuBar;
 431
 432     m_hMenu = menu_bar->Create();
 433
 434     if ( !m_hMenu )
 435         return;
 436
 437     InternalSetMenuBar();
 438
 439     m_frameMenuBar = menu_bar;
 440     menu_bar->Attach(this);
 441 }
 442
 443 void wxFrame::InternalSetMenuBar()
 444 {
 445     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 446     {
 447         wxLogLastError("SetMenu");
 448     }
 449 }
 450
 451 // Responds to colour changes, and passes event on to children.
 452 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 453 {
 454     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 455     Refresh();
 456
 457     if ( m_frameStatusBar )
 458     {
 459         wxSysColourChangedEvent event2;
 460         event2.SetEventObject( m_frameStatusBar );
 461         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 462     }
 463
 464     // Propagate the event to the non-top-level children
 465     wxWindow::OnSysColourChanged(event);
 466 }
 467
 468 /*
 469  * Frame window
 470  *
 471  */
 472
 473 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 474                    int x, int y, int width, int height, long style)
 475
 476 {
 477   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 478
 479   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 480   // could be the culprit. But without it, you can get a lot of flicker.
 481
 482   DWORD msflags = 0;
 483   if ((style & wxCAPTION) == wxCAPTION)
 484     msflags = WS_OVERLAPPED;
 485   else
 486     msflags = WS_POPUP;
 487
 488   if (style & wxMINIMIZE_BOX)
 489     msflags |= WS_MINIMIZEBOX;
 490   if (style & wxMAXIMIZE_BOX)
 491     msflags |= WS_MAXIMIZEBOX;
 492   if (style & wxTHICK_FRAME)
 493     msflags |= WS_THICKFRAME;
 494   if (style & wxSYSTEM_MENU)
 495     msflags |= WS_SYSMENU;
 496   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 497     msflags |= WS_MINIMIZE;
 498   if (style & wxMAXIMIZE)
 499     msflags |= WS_MAXIMIZE;
 500   if (style & wxCAPTION)
 501     msflags |= WS_CAPTION;
 502   if (style & wxCLIP_CHILDREN)
 503     msflags |= WS_CLIPCHILDREN;
 504
 505   // Keep this in wxFrame because it saves recoding this function
 506   // in wxTinyFrame
 507 #if wxUSE_ITSY_BITSY
 508   if (style & wxTINY_CAPTION_VERT)
 509     msflags |= IBS_VERTCAPTION;
 510   if (style & wxTINY_CAPTION_HORIZ)
 511     msflags |= IBS_HORZCAPTION;
 512 #else
 513   if (style & wxTINY_CAPTION_VERT)
 514     msflags |= WS_CAPTION;
 515   if (style & wxTINY_CAPTION_HORIZ)
 516     msflags |= WS_CAPTION;
 517 #endif
 518   if ((style & wxTHICK_FRAME) == 0)
 519     msflags |= WS_BORDER;
 520
 521   WXDWORD extendedStyle = MakeExtendedStyle(style);
 522
 523 #if !defined(__WIN16__) && !defined(__SC__)
 524   if (style & wxFRAME_TOOL_WINDOW)
 525     extendedStyle |= WS_EX_TOOLWINDOW;
 526 #endif
 527
 528   if (style & wxSTAY_ON_TOP)
 529     extendedStyle |= WS_EX_TOPMOST;
 530
 531   m_iconized = FALSE;
 532   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 533          msflags, NULL, extendedStyle) )
 534          return FALSE;
 535
 536   // Seems to be necessary if we use WS_POPUP
 537   // style instead of WS_OVERLAPPED
 538   if (width > -1 && height > -1)
 539     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 540
 541   return TRUE;
 542 }
 543
 544 // Default resizing behaviour - if only ONE subwindow, resize to client
 545 // rectangle size
 546 void wxFrame::OnSize(wxSizeEvent& event)
 547 {
 548     // if we're using constraints - do use them
 549 #if wxUSE_CONSTRAINTS
 550     if ( GetAutoLayout() )
 551     {
 552         Layout();
 553         return;
 554     }
 555 #endif
 556
 557     // do we have _exactly_ one child?
 558     wxWindow *child = NULL;
 559     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 560           node;
 561           node = node->GetNext() )
 562     {
 563         wxWindow *win = node->GetData();
 564         if ( !win->IsTopLevel()
 565 #if wxUSE_STATUSBAR
 566                 && (win != GetStatusBar())
 567 #endif // wxUSE_STATUSBAR
 568 #if wxUSE_TOOLBAR
 569                 && (win != GetToolBar())
 570 #endif // wxUSE_TOOLBAR
 571            )
 572         {
 573             if ( child )
 574                 return;     // it's our second subwindow - nothing to do
 575             child = win;
 576         }
 577     }
 578
 579     if ( child ) {
 580         // we have exactly one child - set it's size to fill the whole frame
 581         int clientW, clientH;
 582         GetClientSize(&clientW, &clientH);
 583
 584         int x = 0;
 585         int y = 0;
 586
 587         child->SetSize(x, y, clientW, clientH);
 588     }
 589 }
 590
 591 // Default activation behaviour - set the focus for the first child
 592 // subwindow found.
 593 void wxFrame::OnActivate(wxActivateEvent& event)
 594 {
 595     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 596           node;
 597           node = node->GetNext() )
 598     {
 599         // FIXME all this is totally bogus - we need to do the same as wxPanel,
 600         //       but how to do it without duplicating the code?
 601
 602         // restore focus
 603         wxWindow *child = node->GetData();
 604
 605         if ( !child->IsTopLevel()
 606 #if wxUSE_TOOLBAR
 607              && !wxDynamicCast(child, wxToolBar)
 608 #endif // wxUSE_TOOLBAR
 609 #if wxUSE_STATUSBAR
 610              && !wxDynamicCast(child, wxStatusBar)
 611 #endif // wxUSE_STATUSBAR
 612            )
 613         {
 614             child->SetFocus();
 615             return;
 616         }
 617     }
 618 }
 619
 620 // The default implementation for the close window event.
 621 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 622 {
 623     Destroy();
 624 }
 625
 626 // Destroy the window (delayed, if a managed window)
 627 bool wxFrame::Destroy()
 628 {
 629   if (!wxPendingDelete.Member(this))
 630     wxPendingDelete.Append(this);
 631   return TRUE;
 632 }
 633
 634 // Default menu selection behaviour - display a help string
 635 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 636 {
 637   if (GetStatusBar())
 638   {
 639     wxString help;
 640     int menuId = event.GetMenuId();
 641     if ( menuId != -1 )
 642     {
 643       wxMenuBar *menuBar = GetMenuBar();
 644       if (menuBar && menuBar->FindItem(menuId))
 645       {
 646         help = menuBar->GetHelpString(menuId);
 647       }
 648     }
 649
 650     // set status text even if the string is empty - this will at
 651     // least remove the string from the item which was previously
 652     // selected
 653     SetStatusText(help);
 654   }
 655 }
 656
 657 wxMenuBar *wxFrame::GetMenuBar() const
 658 {
 659   return m_frameMenuBar;
 660 }
 661
 662 bool wxFrame::ProcessCommand(int id)
 663 {
 664     wxMenuBar *bar = GetMenuBar() ;
 665     if ( !bar )
 666         return FALSE;
 667
 668     wxMenuItem *item = bar->FindItemForId(id);
 669     if ( !item )
 670         return FALSE;
 671
 672     if ( item->IsCheckable() )
 673     {
 674         bar->Check(id, !bar->IsChecked(id)) ;
 675     }
 676
 677     wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 678     commandEvent.SetInt( id );
 679     commandEvent.SetEventObject( this );
 680
 681     return GetEventHandler()->ProcessEvent(commandEvent);
 682 }
 683
 684 // Checks if there is a toolbar, and returns the first free client position
 685 wxPoint wxFrame::GetClientAreaOrigin() const
 686 {
 687     wxPoint pt(0, 0);
 688     if (GetToolBar())
 689     {
 690         int w, h;
 691         GetToolBar()->GetSize(& w, & h);
 692
 693         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 694         {
 695             pt.x += w;
 696         }
 697         else
 698         {
 699             pt.y += h;
 700         }
 701     }
 702     return pt;
 703 }
 704
 705 void wxFrame::ScreenToClient(int *x, int *y) const
 706 {
 707     wxWindow::ScreenToClient(x, y);
 708
 709     // We may be faking the client origin.
 710     // So a window that's really at (0, 30) may appear
 711     // (to wxWin apps) to be at (0, 0).
 712     wxPoint pt(GetClientAreaOrigin());
 713     *x -= pt.x;
 714     *y -= pt.y;
 715 }
 716
 717 void wxFrame::ClientToScreen(int *x, int *y) const
 718 {
 719     // We may be faking the client origin.
 720     // So a window that's really at (0, 30) may appear
 721     // (to wxWin apps) to be at (0, 0).
 722     wxPoint pt1(GetClientAreaOrigin());
 723     *x += pt1.x;
 724     *y += pt1.y;
 725
 726     wxWindow::ClientToScreen(x, y);
 727 }
 728
 729 #if wxUSE_TOOLBAR
 730 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 731 {
 732     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 733                  _T("recreating toolbar in wxFrame") );
 734
 735     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 736     if (toolBar)
 737     {
 738         SetToolBar(toolBar);
 739         PositionToolBar();
 740         return toolBar;
 741     }
 742     else
 743     {
 744         return NULL;
 745     }
 746 }
 747
 748 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
 749 {
 750     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
 751 }
 752
 753 void wxFrame::PositionToolBar()
 754 {
 755     RECT rect;
 756     ::GetClientRect(GetHwnd(), &rect);
 757
 758     if ( GetStatusBar() )
 759     {
 760       int statusX, statusY;
 761       GetStatusBar()->GetClientSize(&statusX, &statusY);
 762       rect.bottom -= statusY;
 763     }
 764
 765     if (GetToolBar())
 766     {
 767         int tw, th;
 768         GetToolBar()->GetSize(& tw, & th);
 769
 770         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 771         {
 772             // Use the 'real' MSW position
 773             GetToolBar()->SetSize(0, 0, tw, rect.bottom, wxSIZE_NO_ADJUSTMENTS);
 774         }
 775         else
 776         {
 777             // Use the 'real' MSW position
 778             GetToolBar()->SetSize(0, 0, rect.right, th, wxSIZE_NO_ADJUSTMENTS);
 779         }
 780     }
 781 }
 782 #endif // wxUSE_TOOLBAR
 783
 784 // propagate our state change to all child frames: this allows us to emulate X
 785 // Windows behaviour where child frames float independently of the parent one
 786 // on the desktop, but are iconized/restored with it
 787 void wxFrame::IconizeChildFrames(bool bIconize)
 788 {
 789     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 790           node;
 791           node = node->GetNext() )
 792     {
 793         wxWindow *win = node->GetData();
 794
 795         if ( win->IsKindOf(CLASSINFO(wxFrame)) )
 796         {
 797             ((wxFrame *)win)->Iconize(bIconize);
 798         }
 799     }
 800 }
 801
 802
 803 // make the window modal (all other windows unresponsive)
 804 void wxFrame::MakeModal(bool modal)
 805 {
 806     if (modal) {
 807         wxEnableTopLevelWindows(FALSE);
 808         Enable(TRUE);           // keep this window enabled
 809     }
 810     else {
 811         wxEnableTopLevelWindows(TRUE);
 812     }
 813 }
 814
 815
 816 // ===========================================================================
 817 // message processing
 818 // ===========================================================================
 819
 820 // ---------------------------------------------------------------------------
 821 // preprocessing
 822 // ---------------------------------------------------------------------------
 823
 824 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 825 {
 826     if ( wxWindow::MSWTranslateMessage(pMsg) )
 827         return TRUE;
 828
 829     // try the menu bar accels
 830     wxMenuBar *menuBar = GetMenuBar();
 831     if ( !menuBar )
 832         return FALSE;
 833
 834     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 835     return acceleratorTable.Translate(this, pMsg);
 836 }
 837
 838 // ---------------------------------------------------------------------------
 839 // our private (non virtual) message handlers
 840 // ---------------------------------------------------------------------------
 841
 842 bool wxFrame::HandlePaint()
 843 {
 844     RECT rect;
 845     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 846     {
 847         if ( m_iconized )
 848         {
 849             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 850                                       : (HICON)m_defaultIcon;
 851
 852             // Hold a pointer to the dc so long as the OnPaint() message
 853             // is being processed
 854             PAINTSTRUCT ps;
 855             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 856
 857             // Erase background before painting or we get white background
 858             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 859
 860             if ( hIcon )
 861             {
 862                 RECT rect;
 863                 ::GetClientRect(GetHwnd(), &rect);
 864
 865                 // FIXME: why hardcoded?
 866                 static const int icon_width = 32;
 867                 static const int icon_height = 32;
 868
 869                 int icon_x = (int)((rect.right - icon_width)/2);
 870                 int icon_y = (int)((rect.bottom - icon_height)/2);
 871
 872                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 873             }
 874
 875             ::EndPaint(GetHwnd(), &ps);
 876
 877             return TRUE;
 878         }
 879         else
 880         {
 881             wxPaintEvent event(m_windowId);
 882             event.m_eventObject = this;
 883
 884             return GetEventHandler()->ProcessEvent(event);
 885         }
 886     }
 887     else
 888     {
 889         // nothing to paint - processed
 890         return TRUE;
 891     }
 892 }
 893
 894 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 895 {
 896     bool processed = FALSE;
 897
 898     switch ( id )
 899     {
 900         case SIZENORMAL:
 901             // only do it it if we were iconized before, otherwise resizing the
 902             // parent frame has a curious side effect of bringing it under it's
 903             // children
 904             if ( !m_iconized )
 905                 break;
 906
 907             // restore all child frames too
 908             IconizeChildFrames(FALSE);
 909
 910             // fall through
 911
 912         case SIZEFULLSCREEN:
 913             m_iconized = FALSE;
 914             break;
 915
 916         case SIZEICONIC:
 917             // iconize all child frames too
 918             IconizeChildFrames(TRUE);
 919
 920             m_iconized = TRUE;
 921             break;
 922     }
 923
 924     if ( !m_iconized )
 925     {
 926         // forward WM_SIZE to status bar control
 927 #if wxUSE_NATIVE_STATUSBAR
 928         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 929         {
 930             wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 931             event.SetEventObject( m_frameStatusBar );
 932
 933             ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 934         }
 935 #endif // wxUSE_NATIVE_STATUSBAR
 936
 937         PositionStatusBar();
 938         PositionToolBar();
 939
 940         wxSizeEvent event(wxSize(x, y), m_windowId);
 941         event.SetEventObject( this );
 942         processed = GetEventHandler()->ProcessEvent(event);
 943     }
 944
 945     return processed;
 946 }
 947
 948 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 949 {
 950     if ( control )
 951     {
 952         // In case it's e.g. a toolbar.
 953         wxWindow *win = wxFindWinFromHandle(control);
 954         if ( win )
 955             return win->MSWCommand(cmd, id);
 956     }
 957
 958     // handle here commands from menus and accelerators
 959     if ( cmd == 0 || cmd == 1 )
 960     {
 961         if ( wxCurrentPopupMenu )
 962         {
 963             wxMenu *popupMenu = wxCurrentPopupMenu;
 964             wxCurrentPopupMenu = NULL;
 965
 966             return popupMenu->MSWCommand(cmd, id);
 967         }
 968
 969         if ( ProcessCommand(id) )
 970         {
 971             return TRUE;
 972         }
 973     }
 974
 975     return FALSE;
 976 }
 977
 978 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 979 {
 980     int item;
 981     if ( flags == 0xFFFF && hMenu == 0 )
 982     {
 983         // menu was removed from screen
 984         item = -1;
 985     }
 986     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 987     {
 988         item = nItem;
 989     }
 990     else
 991     {
 992         // don't give hints for separators (doesn't make sense) nor for the
 993         // items opening popup menus (they don't have them anyhow)
 994         return FALSE;
 995     }
 996
 997     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 998     event.SetEventObject( this );
 999
1000     return GetEventHandler()->ProcessEvent(event);
1001 }
1002
1003 // ---------------------------------------------------------------------------
1004 // the window proc for wxFrame
1005 // ---------------------------------------------------------------------------
1006
1007 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
1008 {
1009     long rc = 0;
1010     bool processed = FALSE;
1011
1012     switch ( message )
1013     {
1014         case WM_CLOSE:
1015             // if we can't close, tell the system that we processed the
1016             // message - otherwise it would close us
1017             processed = !Close();
1018             break;
1019
1020         case WM_COMMAND:
1021             {
1022                 WORD id, cmd;
1023                 WXHWND hwnd;
1024                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
1025                               &id, &hwnd, &cmd);
1026
1027                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
1028             }
1029             break;
1030
1031         case WM_MENUSELECT:
1032             {
1033                 WXWORD item, flags;
1034                 WXHMENU hmenu;
1035                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
1036
1037                 processed = HandleMenuSelect(item, flags, hmenu);
1038             }
1039             break;
1040
1041         case WM_PAINT:
1042             processed = HandlePaint();
1043             break;
1044
1045         case WM_QUERYDRAGICON:
1046             {
1047                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
1048                                           : (HICON)(m_defaultIcon);
1049                 rc = (long)hIcon;
1050                 processed = rc != 0;
1051             }
1052             break;
1053
1054         case WM_SIZE:
1055             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
1056             break;
1057     }
1058
1059     if ( !processed )
1060         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
1061
1062     return rc;
1063 }