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 char 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   if (!parent)
  90     wxTopLevelWindows.Append(this);
  91
  92   SetName(name);
  93   m_windowStyle = style;
  94   m_frameMenuBar = NULL;
  95   m_frameToolBar = NULL ;
  96   m_frameStatusBar = NULL;
  97
  98   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
  99
 100 //  m_icon = NULL;
 101   if ( id > -1 )
 102     m_windowId = id;
 103   else
 104     m_windowId = (int)NewControlId();
 105
 106   if (parent) parent->AddChild(this);
 107
 108   int x = pos.x;
 109   int y = pos.y;
 110   int width = size.x;
 111   int height = size.y;
 112
 113   m_iconized = FALSE;
 114
 115   // we pass NULL as parent to MSWCreate because frames with parents behave
 116   // very strangely under Win95 shell
 117   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 118   // with this style.
 119   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 120     parent = NULL;
 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   int currentX, currentY;
 245   int x1 = x;
 246   int y1 = y;
 247   int w1 = width;
 248   int h1 = height;
 249
 250   GetPosition(&currentX, &currentY);
 251   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 252     x1 = currentX;
 253   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 254     y1 = currentY;
 255
 256   int ww,hh ;
 257   GetSize(&ww,&hh) ;
 258   if (width == -1) w1 = ww ;
 259   if (height==-1) h1 = hh ;
 260
 261   MoveWindow(GetHwnd(), x1, y1, w1, h1, (BOOL)TRUE);
 262
 263   wxSizeEvent event(wxSize(width, height), m_windowId);
 264   event.SetEventObject( this );
 265   GetEventHandler()->ProcessEvent(event);
 266 }
 267
 268 bool wxFrame::Show(bool show)
 269 {
 270   int cshow;
 271   if (show)
 272     cshow = SW_SHOW;
 273   else
 274     cshow = SW_HIDE;
 275
 276   if (!show)
 277   {
 278     // Try to highlight the correct window (the parent)
 279     HWND hWndParent = 0;
 280     if (GetParent())
 281     {
 282       hWndParent = (HWND) GetParent()->GetHWND();
 283       if (hWndParent)
 284         ::BringWindowToTop(hWndParent);
 285     }
 286   }
 287
 288   ShowWindow(GetHwnd(), (BOOL)cshow);
 289   if (show)
 290   {
 291     BringWindowToTop(GetHwnd());
 292
 293     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 294     event.SetEventObject( this );
 295     GetEventHandler()->ProcessEvent(event);
 296   }
 297   return TRUE;
 298 }
 299
 300 void wxFrame::Iconize(bool iconize)
 301 {
 302   if (!iconize)
 303     Show(TRUE);
 304
 305   int cshow;
 306   if (iconize)
 307     cshow = SW_MINIMIZE;
 308   else
 309     cshow = SW_RESTORE;
 310   ShowWindow(GetHwnd(), (BOOL)cshow);
 311   m_iconized = iconize;
 312 }
 313
 314 // Equivalent to maximize/restore in Windows
 315 void wxFrame::Maximize(bool maximize)
 316 {
 317   Show(TRUE);
 318   int cshow;
 319   if (maximize)
 320     cshow = SW_MAXIMIZE;
 321   else
 322     cshow = SW_RESTORE;
 323   ShowWindow(GetHwnd(), cshow);
 324   m_iconized = FALSE;
 325 }
 326
 327 bool wxFrame::IsIconized() const
 328 {
 329   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 330   return m_iconized;
 331 }
 332
 333 // Is it maximized?
 334 bool wxFrame::IsMaximized() const
 335 {
 336     return (::IsZoomed(GetHwnd()) != 0) ;
 337 }
 338
 339 void wxFrame::SetIcon(const wxIcon& icon)
 340 {
 341   m_icon = icon;
 342 #if defined(__WIN95__)
 343   if ( m_icon.Ok() )
 344     SendMessage(GetHwnd(), WM_SETICON,
 345                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 346 #endif
 347 }
 348
 349 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 350     const wxString& name)
 351 {
 352     wxStatusBar *statusBar = NULL;
 353
 354 #if wxUSE_NATIVE_STATUSBAR
 355     if (UsesNativeStatusBar())
 356     {
 357         statusBar = new wxStatusBar95(this, id, style);
 358     }
 359     else
 360 #endif
 361     {
 362         statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 363             style, name);
 364
 365         // Set the height according to the font and the border size
 366         wxClientDC dc(statusBar);
 367         dc.SetFont(statusBar->GetFont());
 368
 369         long x, y;
 370         dc.GetTextExtent("X", &x, &y);
 371
 372         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 373
 374         statusBar->SetSize(-1, -1, 100, height);
 375     }
 376
 377   statusBar->SetFieldsCount(number);
 378   return statusBar;
 379 }
 380
 381 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 382     const wxString& name)
 383 {
 384   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 385   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 386                "recreating status bar in wxFrame" );
 387
 388   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 389     name);
 390   if ( m_frameStatusBar )
 391   {
 392     PositionStatusBar();
 393     return m_frameStatusBar;
 394   }
 395   else
 396     return NULL;
 397 }
 398
 399 void wxFrame::SetStatusText(const wxString& text, int number)
 400 {
 401   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 402
 403   m_frameStatusBar->SetStatusText(text, number);
 404 }
 405
 406 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 407 {
 408   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 409
 410   m_frameStatusBar->SetStatusWidths(n, widths_field);
 411   PositionStatusBar();
 412 }
 413
 414 void wxFrame::PositionStatusBar()
 415 {
 416   // native status bar positions itself
 417   if (m_frameStatusBar
 418 #if wxUSE_NATIVE_STATUSBAR
 419    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 420 #endif
 421     )
 422   {
 423       int w, h;
 424       GetClientSize(&w, &h);
 425       int sw, sh;
 426       m_frameStatusBar->GetSize(&sw, &sh);
 427
 428       // Since we wish the status bar to be directly under the client area,
 429       // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 430       m_frameStatusBar->SetSize(0, h, w, sh);
 431   }
 432 }
 433
 434 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 435 {
 436     if (!menu_bar)
 437     {
 438         m_frameMenuBar = NULL;
 439         return;
 440     }
 441
 442     wxCHECK_RET( !menu_bar->GetFrame(), "this menubar is already attached" );
 443
 444     if (m_frameMenuBar)
 445         delete m_frameMenuBar;
 446
 447     m_hMenu = menu_bar->Create();
 448
 449     if ( !m_hMenu )
 450         return;
 451
 452     InternalSetMenuBar();
 453
 454     m_frameMenuBar = menu_bar;
 455     menu_bar->Attach(this);
 456 }
 457
 458 void wxFrame::InternalSetMenuBar()
 459 {
 460     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 461     {
 462         wxLogLastError("SetMenu");
 463     }
 464 }
 465
 466 // Responds to colour changes, and passes event on to children.
 467 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 468 {
 469     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 470     Refresh();
 471
 472     if ( m_frameStatusBar )
 473     {
 474         wxSysColourChangedEvent event2;
 475         event2.SetEventObject( m_frameStatusBar );
 476         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 477     }
 478
 479     // Propagate the event to the non-top-level children
 480     wxWindow::OnSysColourChanged(event);
 481 }
 482
 483 /*
 484  * Frame window
 485  *
 486  */
 487
 488 bool wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 489                    int x, int y, int width, int height, long style)
 490
 491 {
 492   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 493
 494   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 495   // could be the culprit. But without it, you can get a lot of flicker.
 496
 497   DWORD msflags = 0;
 498   if ((style & wxCAPTION) == wxCAPTION)
 499     msflags = WS_OVERLAPPED;
 500   else
 501     msflags = WS_POPUP;
 502
 503   if (style & wxMINIMIZE_BOX)
 504     msflags |= WS_MINIMIZEBOX;
 505   if (style & wxMAXIMIZE_BOX)
 506     msflags |= WS_MAXIMIZEBOX;
 507   if (style & wxTHICK_FRAME)
 508     msflags |= WS_THICKFRAME;
 509   if (style & wxSYSTEM_MENU)
 510     msflags |= WS_SYSMENU;
 511   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 512     msflags |= WS_MINIMIZE;
 513   if (style & wxMAXIMIZE)
 514     msflags |= WS_MAXIMIZE;
 515   if (style & wxCAPTION)
 516     msflags |= WS_CAPTION;
 517   if (style & wxCLIP_CHILDREN)
 518     msflags |= WS_CLIPCHILDREN;
 519
 520   // Keep this in wxFrame because it saves recoding this function
 521   // in wxTinyFrame
 522 #if wxUSE_ITSY_BITSY
 523   if (style & wxTINY_CAPTION_VERT)
 524     msflags |= IBS_VERTCAPTION;
 525   if (style & wxTINY_CAPTION_HORIZ)
 526     msflags |= IBS_HORZCAPTION;
 527 #else
 528   if (style & wxTINY_CAPTION_VERT)
 529     msflags |= WS_CAPTION;
 530   if (style & wxTINY_CAPTION_HORIZ)
 531     msflags |= WS_CAPTION;
 532 #endif
 533   if ((style & wxTHICK_FRAME) == 0)
 534     msflags |= WS_BORDER;
 535
 536   WXDWORD extendedStyle = MakeExtendedStyle(style);
 537
 538 #if !defined(__WIN16__) && !defined(__SC__)
 539   if (style & wxFRAME_TOOL_WINDOW)
 540     extendedStyle |= WS_EX_TOOLWINDOW;
 541 #endif
 542
 543   if (style & wxSTAY_ON_TOP)
 544     extendedStyle |= WS_EX_TOPMOST;
 545
 546   m_iconized = FALSE;
 547   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 548          msflags, NULL, extendedStyle) )
 549          return FALSE;
 550
 551   // Seems to be necessary if we use WS_POPUP
 552   // style instead of WS_OVERLAPPED
 553   if (width > -1 && height > -1)
 554     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 555
 556   return TRUE;
 557 }
 558
 559 // Default resizing behaviour - if only ONE subwindow, resize to client
 560 // rectangle size
 561 void wxFrame::OnSize(wxSizeEvent& event)
 562 {
 563     // if we're using constraints - do use them
 564 #if wxUSE_CONSTRAINTS
 565     if ( GetAutoLayout() )
 566     {
 567         Layout();
 568         return;
 569     }
 570 #endif
 571
 572     // do we have _exactly_ one child?
 573     wxWindow *child = NULL;
 574     for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 575     {
 576         wxWindow *win = (wxWindow *)node->Data();
 577         if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 578                 !win->IsKindOf(CLASSINFO(wxDialog)) &&
 579                 (win != GetStatusBar()) &&
 580                 (win != GetToolBar()) )
 581         {
 582             if ( child )
 583                 return;     // it's our second subwindow - nothing to do
 584             child = win;
 585         }
 586     }
 587
 588     if ( child ) {
 589         // we have exactly one child - set it's size to fill the whole frame
 590         int clientW, clientH;
 591         GetClientSize(&clientW, &clientH);
 592
 593         int x = 0;
 594         int y = 0;
 595
 596         child->SetSize(x, y, clientW, clientH);
 597     }
 598 }
 599
 600 // Default activation behaviour - set the focus for the first child
 601 // subwindow found.
 602 void wxFrame::OnActivate(wxActivateEvent& event)
 603 {
 604   for(wxNode *node = GetChildren().First(); node; node = node->Next())
 605   {
 606     // Find a child that's a subwindow, but not a dialog box.
 607     wxWindow *child = (wxWindow *)node->Data();
 608     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 609          !child->IsKindOf(CLASSINFO(wxDialog)))
 610     {
 611       child->SetFocus();
 612       return;
 613     }
 614   }
 615 }
 616
 617 // The default implementation for the close window event.
 618 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 619 {
 620     Destroy();
 621 }
 622
 623 // Destroy the window (delayed, if a managed window)
 624 bool wxFrame::Destroy()
 625 {
 626   if (!wxPendingDelete.Member(this))
 627     wxPendingDelete.Append(this);
 628   return TRUE;
 629 }
 630
 631 // Default menu selection behaviour - display a help string
 632 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 633 {
 634   if (GetStatusBar())
 635   {
 636     int menuId = event.GetMenuId();
 637     if ( menuId != -1 )
 638     {
 639       wxMenuBar *menuBar = GetMenuBar();
 640       if (menuBar && menuBar->FindItem(menuId))
 641       {
 642         // set status text even if the string is empty - this will at
 643         // least remove the string from the item which was previously
 644         // selected
 645         SetStatusText(menuBar->GetHelpString(menuId));
 646       }
 647     }
 648   }
 649 }
 650
 651 wxMenuBar *wxFrame::GetMenuBar() const
 652 {
 653   return m_frameMenuBar;
 654 }
 655
 656 bool wxFrame::ProcessCommand(int id)
 657 {
 658     wxMenuBar *bar = GetMenuBar() ;
 659     if ( !bar )
 660         return FALSE;
 661
 662     wxMenuItem *item = bar->FindItemForId(id);
 663     if ( !item )
 664         return FALSE;
 665
 666     if ( item->IsCheckable() )
 667     {
 668         bar->Check(id, !bar->IsChecked(id)) ;
 669     }
 670
 671     wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 672     commandEvent.SetInt( id );
 673     commandEvent.SetEventObject( this );
 674
 675     return GetEventHandler()->ProcessEvent(commandEvent);
 676 }
 677
 678 // Checks if there is a toolbar, and returns the first free client position
 679 wxPoint wxFrame::GetClientAreaOrigin() const
 680 {
 681     wxPoint pt(0, 0);
 682     if (GetToolBar())
 683     {
 684         int w, h;
 685         GetToolBar()->GetSize(& w, & h);
 686
 687         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 688         {
 689             pt.x += w;
 690         }
 691         else
 692         {
 693             pt.y += h;
 694         }
 695     }
 696     return pt;
 697 }
 698
 699 void wxFrame::ScreenToClient(int *x, int *y) const
 700 {
 701     wxWindow::ScreenToClient(x, y);
 702
 703     // We may be faking the client origin.
 704     // So a window that's really at (0, 30) may appear
 705     // (to wxWin apps) to be at (0, 0).
 706     wxPoint pt(GetClientAreaOrigin());
 707     *x -= pt.x;
 708     *y -= pt.y;
 709 }
 710
 711 void wxFrame::ClientToScreen(int *x, int *y) const
 712 {
 713     // We may be faking the client origin.
 714     // So a window that's really at (0, 30) may appear
 715     // (to wxWin apps) to be at (0, 0).
 716     wxPoint pt1(GetClientAreaOrigin());
 717     *x += pt1.x;
 718     *y += pt1.y;
 719
 720     wxWindow::ClientToScreen(x, y);
 721 }
 722
 723 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 724 {
 725     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 726                  "recreating toolbar in wxFrame" );
 727
 728     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 729     if (toolBar)
 730     {
 731         SetToolBar(toolBar);
 732         PositionToolBar();
 733         return toolBar;
 734     }
 735     else
 736     {
 737         return NULL;
 738     }
 739 }
 740
 741 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
 742 {
 743     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
 744 }
 745
 746 void wxFrame::PositionToolBar()
 747 {
 748     RECT rect;
 749     ::GetClientRect(GetHwnd(), &rect);
 750
 751     if ( GetStatusBar() )
 752     {
 753       int statusX, statusY;
 754       GetStatusBar()->GetClientSize(&statusX, &statusY);
 755       rect.bottom -= statusY;
 756     }
 757
 758     if (GetToolBar())
 759     {
 760         int tw, th;
 761         GetToolBar()->GetSize(& tw, & th);
 762
 763         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 764         {
 765             // Use the 'real' MSW position
 766             GetToolBar()->SetSize(0, 0, tw, rect.bottom, wxSIZE_NO_ADJUSTMENTS);
 767         }
 768         else
 769         {
 770             // Use the 'real' MSW position
 771             GetToolBar()->SetSize(0, 0, rect.right, th, wxSIZE_NO_ADJUSTMENTS);
 772         }
 773     }
 774 }
 775
 776 // propagate our state change to all child frames: this allows us to emulate X
 777 // Windows behaviour where child frames float independently of the parent one
 778 // on the desktop, but are iconized/restored with it
 779 void wxFrame::IconizeChildFrames(bool bIconize)
 780 {
 781     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 782           node;
 783           node = node->GetNext() )
 784     {
 785         wxWindow *win = node->GetData();
 786
 787         if ( win->IsKindOf(CLASSINFO(wxFrame)) )
 788         {
 789             ((wxFrame *)win)->Iconize(bIconize);
 790         }
 791     }
 792 }
 793
 794
 795 // make the window modal (all other windows unresponsive)
 796 void wxFrame::MakeModal(bool modal)
 797 {
 798     if (modal) {
 799         wxEnableTopLevelWindows(FALSE);
 800         Enable(TRUE);           // keep this window enabled
 801     }
 802     else {
 803         wxEnableTopLevelWindows(TRUE);
 804     }
 805 }
 806
 807
 808 // ===========================================================================
 809 // message processing
 810 // ===========================================================================
 811
 812 // ---------------------------------------------------------------------------
 813 // preprocessing
 814 // ---------------------------------------------------------------------------
 815
 816 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 817 {
 818     if ( wxWindow::MSWTranslateMessage(pMsg) )
 819         return TRUE;
 820
 821     // try the menu bar accels
 822     wxMenuBar *menuBar = GetMenuBar();
 823     if ( !menuBar )
 824         return FALSE;
 825
 826     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 827     return acceleratorTable.Ok() &&
 828            ::TranslateAccelerator(GetHwnd(),
 829                                   GetTableHaccel(acceleratorTable),
 830                                   (MSG *)pMsg);
 831 }
 832
 833 // ---------------------------------------------------------------------------
 834 // our private (non virtual) message handlers
 835 // ---------------------------------------------------------------------------
 836
 837 bool wxFrame::HandlePaint()
 838 {
 839     RECT rect;
 840     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 841     {
 842         if ( m_iconized )
 843         {
 844             HICON hIcon = m_icon.Ok() ? GetIconHicon(m_icon)
 845                                       : (HICON)m_defaultIcon;
 846
 847             // Hold a pointer to the dc so long as the OnPaint() message
 848             // is being processed
 849             PAINTSTRUCT ps;
 850             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 851
 852             // Erase background before painting or we get white background
 853             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 854
 855             if ( hIcon )
 856             {
 857                 RECT rect;
 858                 ::GetClientRect(GetHwnd(), &rect);
 859
 860                 // FIXME: why hardcoded?
 861                 static const int icon_width = 32;
 862                 static const int icon_height = 32;
 863
 864                 int icon_x = (int)((rect.right - icon_width)/2);
 865                 int icon_y = (int)((rect.bottom - icon_height)/2);
 866
 867                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 868             }
 869
 870             ::EndPaint(GetHwnd(), &ps);
 871
 872             return TRUE;
 873         }
 874         else
 875         {
 876             wxPaintEvent event(m_windowId);
 877             event.m_eventObject = this;
 878
 879             return GetEventHandler()->ProcessEvent(event);
 880         }
 881     }
 882     else
 883     {
 884         // nothing to paint - processed
 885         return TRUE;
 886     }
 887 }
 888
 889 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 890 {
 891     bool processed = FALSE;
 892
 893     switch ( id )
 894     {
 895         case SIZENORMAL:
 896             // only do it it if we were iconized before, otherwise resizing the
 897             // parent frame has a curious side effect of bringing it under it's
 898             // children
 899             if ( !m_iconized )
 900                 break;
 901
 902             // restore all child frames too
 903             IconizeChildFrames(FALSE);
 904
 905             // fall through
 906
 907         case SIZEFULLSCREEN:
 908             m_iconized = FALSE;
 909             break;
 910
 911         case SIZEICONIC:
 912             // iconize all child frames too
 913             IconizeChildFrames(TRUE);
 914
 915             m_iconized = TRUE;
 916             break;
 917     }
 918
 919     if ( !m_iconized )
 920     {
 921         // forward WM_SIZE to status bar control
 922 #if wxUSE_NATIVE_STATUSBAR
 923         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 924         {
 925             wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 926             event.SetEventObject( m_frameStatusBar );
 927
 928             ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 929         }
 930 #endif // wxUSE_NATIVE_STATUSBAR
 931
 932         PositionStatusBar();
 933         PositionToolBar();
 934
 935         wxSizeEvent event(wxSize(x, y), m_windowId);
 936         event.SetEventObject( this );
 937         processed = GetEventHandler()->ProcessEvent(event);
 938     }
 939
 940     return processed;
 941 }
 942
 943 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 944 {
 945     if ( control )
 946     {
 947         // In case it's e.g. a toolbar.
 948         wxWindow *win = wxFindWinFromHandle(control);
 949         if ( win )
 950             return win->MSWCommand(cmd, id);
 951     }
 952
 953     // handle here commands from menus and accelerators
 954     if ( cmd == 0 || cmd == 1 )
 955     {
 956         if ( wxCurrentPopupMenu )
 957         {
 958             wxMenu *popupMenu = wxCurrentPopupMenu;
 959             wxCurrentPopupMenu = NULL;
 960
 961             return popupMenu->MSWCommand(cmd, id);
 962         }
 963
 964         if ( ProcessCommand(id) )
 965         {
 966             return TRUE;
 967         }
 968     }
 969
 970     return FALSE;
 971 }
 972
 973 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD nFlags, WXHMENU hMenu)
 974 {
 975     int item;
 976     if ( nFlags == 0xFFFF && hMenu == 0 )
 977     {
 978         // FIXME: what does this do? does it ever happen?
 979         item = -1;
 980     }
 981     else if ((nFlags != MF_SEPARATOR) && (nItem != 0) && (nItem != 65535))
 982     {
 983         item = nItem;
 984     }
 985     else
 986     {
 987         return FALSE;
 988     }
 989
 990     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 991     event.SetEventObject( this );
 992
 993     return GetEventHandler()->ProcessEvent(event);
 994 }
 995
 996 // ---------------------------------------------------------------------------
 997 // the window proc for wxFrame
 998 // ---------------------------------------------------------------------------
 999
1000 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
1001 {
1002     long rc = 0;
1003     bool processed = FALSE;
1004
1005     switch ( message )
1006     {
1007         case WM_CLOSE:
1008             // if we can't close, tell the system that we processed the
1009             // message - otherwise it would close us
1010             processed = !Close();
1011             break;
1012
1013         case WM_COMMAND:
1014             {
1015                 WORD id, cmd;
1016                 WXHWND hwnd;
1017                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
1018                               &id, &hwnd, &cmd);
1019
1020                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
1021             }
1022             break;
1023
1024         case WM_MENUSELECT:
1025             {
1026                 WXWORD item, flags;
1027                 WXHMENU hmenu;
1028                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
1029
1030                 processed = HandleMenuSelect(item, flags, hmenu);
1031             }
1032             break;
1033
1034         case WM_PAINT:
1035             processed = HandlePaint();
1036             break;
1037
1038         case WM_QUERYDRAGICON:
1039             {
1040                 HICON hIcon = m_icon.Ok() ? GetIconHicon(m_icon)
1041                                           : (HICON)(m_defaultIcon);
1042                 rc = (long)hIcon;
1043                 processed = rc != 0;
1044             }
1045             break;
1046
1047         case WM_SIZE:
1048             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
1049             break;
1050     }
1051
1052     if ( !processed )
1053         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
1054
1055     return rc;
1056 }