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