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
  33
  34 #include "wx/msw/private.h"
  35 #include "wx/statusbr.h"
  36 #include "wx/toolbar.h"
  37 #include "wx/menuitem.h"
  38
  39 #ifdef LoadAccelerators
  40 #undef LoadAccelerators
  41 #endif
  42
  43 #if wxUSE_NATIVE_STATUSBAR
  44 #include <wx/msw/statbr95.h>
  45 #endif
  46
  47 extern wxList wxModelessWindows;
  48 extern wxList WXDLLEXPORT wxPendingDelete;
  49 extern char wxFrameClassName[];
  50 extern wxMenu *wxCurrentPopupMenu;
  51
  52 #if !USE_SHARED_LIBRARY
  53 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  54   EVT_SIZE(wxFrame::OnSize)
  55   EVT_ACTIVATE(wxFrame::OnActivate)
  56   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  57   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  58   EVT_IDLE(wxFrame::OnIdle)
  59   EVT_CLOSE(wxFrame::OnCloseWindow)
  60 END_EVENT_TABLE()
  61
  62 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  63 #endif
  64
  65 #if wxUSE_NATIVE_STATUSBAR
  66 bool wxFrame::m_useNativeStatusBar = TRUE;
  67 #else
  68 bool wxFrame::m_useNativeStatusBar = FALSE;
  69 #endif
  70
  71 wxFrame::wxFrame(void)
  72 {
  73   m_frameToolBar = NULL ;
  74   m_frameMenuBar = NULL;
  75   m_frameStatusBar = NULL;
  76
  77   m_windowParent = NULL;
  78   m_iconized = FALSE;
  79 }
  80
  81 bool wxFrame::Create(wxWindow *parent,
  82            wxWindowID id,
  83            const wxString& title,
  84            const wxPoint& pos,
  85            const wxSize& size,
  86            long style,
  87            const wxString& name)
  88 {
  89   if (!parent)
  90     wxTopLevelWindows.Append(this);
  91
  92   SetName(name);
  93 //  m_modalShowing = FALSE;
  94   m_windowStyle = style;
  95   m_frameMenuBar = NULL;
  96   m_frameToolBar = NULL ;
  97   m_frameStatusBar = NULL;
  98
  99   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 100
 101 //  m_icon = NULL;
 102   if ( id > -1 )
 103     m_windowId = id;
 104   else
 105     m_windowId = (int)NewControlId();
 106
 107   if (parent) parent->AddChild(this);
 108
 109   int x = pos.x;
 110   int y = pos.y;
 111   int width = size.x;
 112   int height = size.y;
 113
 114   m_iconized = FALSE;
 115
 116   // we pass NULL as parent to MSWCreate because frames with parents behave
 117   // very strangely under Win95 shell
 118   MSWCreate(m_windowId, NULL, wxFrameClassName, this, title,
 119             x, y, width, height, style);
 120
 121   wxModelessWindows.Append(this);
 122   return TRUE;
 123 }
 124
 125 wxFrame::~wxFrame(void)
 126 {
 127   m_isBeingDeleted = TRUE;
 128   wxTopLevelWindows.DeleteObject(this);
 129
 130   if (m_frameStatusBar)
 131     delete m_frameStatusBar;
 132   if (m_frameMenuBar)
 133     delete m_frameMenuBar;
 134
 135 /* New behaviour March 1998: check if it's the last top-level window */
 136 //  if (wxTheApp && (this == wxTheApp->GetTopWindow()))
 137
 138   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 139   {
 140     wxTheApp->SetTopWindow(NULL);
 141
 142     if (wxTheApp->GetExitOnFrameDelete())
 143     {
 144        PostQuitMessage(0);
 145     }
 146   }
 147
 148   wxModelessWindows.DeleteObject(this);
 149
 150   // For some reason, wxWindows can activate another task altogether
 151   // when a frame is destroyed after a modal dialog has been invoked.
 152   // Try to bring the parent to the top.
 153   if (GetParent() && GetParent()->GetHWND())
 154     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 155 }
 156
 157 WXHMENU wxFrame::GetWinMenu(void) const
 158 {
 159   return m_hMenu;
 160 }
 161
 162 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 163 void wxFrame::GetClientSize(int *x, int *y) const
 164 {
 165   RECT rect;
 166   GetClientRect((HWND) GetHWND(), &rect);
 167
 168   if ( GetStatusBar() )
 169   {
 170     int statusX, statusY;
 171     GetStatusBar()->GetClientSize(&statusX, &statusY);
 172     rect.bottom -= statusY;
 173   }
 174
 175   wxPoint pt(GetClientAreaOrigin());
 176   rect.bottom -= pt.y;
 177   rect.right -= pt.x;
 178
 179   *x = rect.right;
 180   *y = rect.bottom;
 181 }
 182
 183 // Set the client size (i.e. leave the calculation of borders etc.
 184 // to wxWindows)
 185 void wxFrame::SetClientSize(int width, int height)
 186 {
 187   HWND hWnd = (HWND) GetHWND();
 188
 189   RECT rect;
 190   GetClientRect(hWnd, &rect);
 191
 192   RECT rect2;
 193   GetWindowRect(hWnd, &rect2);
 194
 195   // Find the difference between the entire window (title bar and all)
 196   // and the client area; add this to the new client size to move the
 197   // window
 198   int actual_width = rect2.right - rect2.left - rect.right + width;
 199   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 200
 201   if ( GetStatusBar() )
 202   {
 203     int statusX, statusY;
 204     GetStatusBar()->GetClientSize(&statusX, &statusY);
 205     actual_height += statusY;
 206   }
 207
 208   wxPoint pt(GetClientAreaOrigin());
 209   actual_width += pt.y;
 210   actual_height += pt.x;
 211
 212   POINT point;
 213   point.x = rect2.left;
 214   point.y = rect2.top;
 215
 216   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 217
 218   wxSizeEvent event(wxSize(width, height), m_windowId);
 219   event.SetEventObject( this );
 220   GetEventHandler()->ProcessEvent(event);
 221 }
 222
 223 void wxFrame::GetSize(int *width, int *height) const
 224 {
 225   RECT rect;
 226   GetWindowRect((HWND) GetHWND(), &rect);
 227   *width = rect.right - rect.left;
 228   *height = rect.bottom - rect.top;
 229 }
 230
 231 void wxFrame::GetPosition(int *x, int *y) const
 232 {
 233   RECT rect;
 234   GetWindowRect((HWND) GetHWND(), &rect);
 235   POINT point;
 236   point.x = rect.left;
 237   point.y = rect.top;
 238
 239   *x = point.x;
 240   *y = point.y;
 241 }
 242
 243 void wxFrame::SetSize(int x, int y, int width, int height, int sizeFlags)
 244 {
 245   int currentX, currentY;
 246   int x1 = x;
 247   int y1 = y;
 248   int w1 = width;
 249   int h1 = height;
 250
 251   GetPosition(&currentX, &currentY);
 252   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 253     x1 = currentX;
 254   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 255     y1 = currentY;
 256
 257   int ww,hh ;
 258   GetSize(&ww,&hh) ;
 259   if (width == -1) w1 = ww ;
 260   if (height==-1) h1 = hh ;
 261
 262   MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, (BOOL)TRUE);
 263
 264   wxSizeEvent event(wxSize(width, height), m_windowId);
 265   event.SetEventObject( this );
 266   GetEventHandler()->ProcessEvent(event);
 267 }
 268
 269 bool wxFrame::Show(bool show)
 270 {
 271   int cshow;
 272   if (show)
 273     cshow = SW_SHOW;
 274   else
 275     cshow = SW_HIDE;
 276
 277   if (!show)
 278   {
 279     // Try to highlight the correct window (the parent)
 280     HWND hWndParent = 0;
 281     if (GetParent())
 282     {
 283       hWndParent = (HWND) GetParent()->GetHWND();
 284       if (hWndParent)
 285         ::BringWindowToTop(hWndParent);
 286     }
 287   }
 288
 289   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 290   if (show)
 291   {
 292     BringWindowToTop((HWND) GetHWND());
 293
 294     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 295     event.SetEventObject( this );
 296     GetEventHandler()->ProcessEvent(event);
 297   }
 298   return TRUE;
 299 }
 300
 301 void wxFrame::Iconize(bool iconize)
 302 {
 303   if (!iconize)
 304     Show(TRUE);
 305
 306   int cshow;
 307   if (iconize)
 308     cshow = SW_MINIMIZE;
 309   else
 310     cshow = SW_RESTORE;
 311   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 312   m_iconized = iconize;
 313 }
 314
 315 // Equivalent to maximize/restore in Windows
 316 void wxFrame::Maximize(bool maximize)
 317 {
 318   Show(TRUE);
 319   int cshow;
 320   if (maximize)
 321     cshow = SW_MAXIMIZE;
 322   else
 323     cshow = SW_RESTORE;
 324   ShowWindow((HWND) GetHWND(), cshow);
 325   m_iconized = FALSE;
 326 }
 327
 328 bool wxFrame::IsIconized(void) const
 329 {
 330   ((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
 331   return m_iconized;
 332 }
 333
 334 // Is it maximized?
 335 bool wxFrame::IsMaximized(void) const
 336 {
 337     return (::IsZoomed((HWND) GetHWND()) != 0) ;
 338 }
 339
 340 void wxFrame::SetTitle(const wxString& title)
 341 {
 342   SetWindowText((HWND) GetHWND(), (const char *)title);
 343 }
 344
 345 wxString wxFrame::GetTitle(void) const
 346 {
 347   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
 348   return wxString(wxBuffer);
 349 }
 350
 351 void wxFrame::SetIcon(const wxIcon& icon)
 352 {
 353   m_icon = icon;
 354 #if defined(__WIN95__)
 355   if ( m_icon.Ok() )
 356     SendMessage((HWND) GetHWND(), WM_SETICON,
 357                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 358 #endif
 359 }
 360
 361 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 362     const wxString& name)
 363 {
 364     wxStatusBar *statusBar = NULL;
 365
 366 #if wxUSE_NATIVE_STATUSBAR
 367     if (UsesNativeStatusBar())
 368     {
 369         statusBar = new wxStatusBar95(this, id, style);
 370     }
 371     else
 372 #endif
 373     {
 374         statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 375             style, name);
 376
 377         // Set the height according to the font and the border size
 378         wxClientDC dc(statusBar);
 379         dc.SetFont(statusBar->GetFont());
 380
 381         long x, y;
 382         dc.GetTextExtent("X", &x, &y);
 383
 384         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 385
 386         statusBar->SetSize(-1, -1, 100, height);
 387     }
 388
 389   statusBar->SetFieldsCount(number);
 390   return statusBar;
 391 }
 392
 393 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 394     const wxString& name)
 395 {
 396   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 397   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 398                "recreating status bar in wxFrame" );
 399
 400   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 401     name);
 402   if ( m_frameStatusBar )
 403   {
 404     PositionStatusBar();
 405     return m_frameStatusBar;
 406   }
 407   else
 408     return NULL;
 409 }
 410
 411 void wxFrame::SetStatusText(const wxString& text, int number)
 412 {
 413   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 414
 415   m_frameStatusBar->SetStatusText(text, number);
 416 }
 417
 418 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 419 {
 420   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 421
 422   m_frameStatusBar->SetStatusWidths(n, widths_field);
 423   PositionStatusBar();
 424 }
 425
 426 void wxFrame::PositionStatusBar(void)
 427 {
 428   // native status bar positions itself
 429   if (m_frameStatusBar
 430 #if wxUSE_NATIVE_STATUSBAR
 431    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 432 #endif
 433     )
 434   {
 435       int w, h;
 436       GetClientSize(&w, &h);
 437       int sw, sh;
 438       m_frameStatusBar->GetSize(&sw, &sh);
 439
 440       // Since we wish the status bar to be directly under the client area,
 441       // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 442       m_frameStatusBar->SetSize(0, h, w, sh);
 443   }
 444 }
 445
 446 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 447 {
 448   if (!menu_bar)
 449   {
 450     m_frameMenuBar = NULL;
 451     return;
 452   }
 453
 454   if (menu_bar->m_menuBarFrame)
 455    return;
 456
 457   int i;
 458   HMENU menu = CreateMenu();
 459
 460   for (i = 0; i < menu_bar->m_menuCount; i ++)
 461   {
 462     HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
 463     //
 464     // After looking Bounds Checker result, it seems that all
 465     // menus must be individually destroyed. So, don't reset m_hMenu,
 466     // to  allow ~wxMenu to do the job.
 467     //
 468     menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
 469     // Uncommenting for the moment... JACS
 470     menu_bar->m_menus[i]->m_hMenu = 0;
 471     AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
 472   }
 473
 474   menu_bar->m_hMenu = (WXHMENU)menu;
 475   if (m_frameMenuBar)
 476     delete m_frameMenuBar;
 477
 478   this->m_hMenu = (WXHMENU) menu;
 479
 480   DWORD err = 0;
 481   if (!SetMenu((HWND) GetHWND(), menu))
 482   {
 483 #ifdef __WIN32__
 484     err = GetLastError();
 485 #endif
 486   }
 487
 488   m_frameMenuBar = menu_bar;
 489   menu_bar->m_menuBarFrame = this;
 490 }
 491
 492 #if 0
 493 bool wxFrame::LoadAccelerators(const wxString& table)
 494 {
 495   m_acceleratorTable = (WXHANDLE)
 496 #ifdef __WIN32__
 497 #ifdef UNICODE
 498      ::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
 499 #else
 500      ::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
 501 #endif
 502 #else
 503      ::LoadAccelerators(wxGetInstance(), (const char *)table);
 504 #endif
 505
 506   // The above is necessary because LoadAccelerators is a macro
 507   // which we have undefed earlier in the file to avoid confusion
 508   // with wxFrame::LoadAccelerators. Ugh!
 509
 510   return (m_acceleratorTable != (WXHANDLE) NULL);
 511 }
 512 #endif
 513
 514 void wxFrame::Fit(void)
 515 {
 516   // Work out max. size
 517   wxNode *node = GetChildren().First();
 518   int max_width = 0;
 519   int max_height = 0;
 520   while (node)
 521   {
 522     // Find a child that's a subwindow, but not a dialog box.
 523     wxWindow *win = (wxWindow *)node->Data();
 524
 525     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 526          !win->IsKindOf(CLASSINFO(wxDialog)))
 527     {
 528       int width, height;
 529       int x, y;
 530       win->GetSize(&width, &height);
 531       win->GetPosition(&x, &y);
 532
 533       if ((x + width) > max_width)
 534         max_width = x + width;
 535       if ((y + height) > max_height)
 536         max_height = y + height;
 537     }
 538     node = node->Next();
 539   }
 540   SetClientSize(max_width, max_height);
 541 }
 542
 543 // Responds to colour changes, and passes event on to children.
 544 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 545 {
 546     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 547     Refresh();
 548
 549     if ( m_frameStatusBar )
 550     {
 551         wxSysColourChangedEvent event2;
 552         event2.SetEventObject( m_frameStatusBar );
 553         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 554     }
 555
 556     // Propagate the event to the non-top-level children
 557     wxWindow::OnSysColourChanged(event);
 558 }
 559
 560 /*
 561  * Frame window
 562  *
 563  */
 564
 565 void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 566                    int x, int y, int width, int height, long style)
 567
 568 {
 569   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 570
 571   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 572   // could be the culprit. But without it, you can get a lot of flicker.
 573
 574   DWORD msflags = 0;
 575   if ((style & wxCAPTION) == wxCAPTION)
 576     msflags = WS_OVERLAPPED;
 577   else
 578     msflags = WS_POPUP;
 579
 580   if (style & wxMINIMIZE_BOX)
 581     msflags |= WS_MINIMIZEBOX;
 582   if (style & wxMAXIMIZE_BOX)
 583     msflags |= WS_MAXIMIZEBOX;
 584   if (style & wxTHICK_FRAME)
 585     msflags |= WS_THICKFRAME;
 586   if (style & wxSYSTEM_MENU)
 587     msflags |= WS_SYSMENU;
 588   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 589     msflags |= WS_MINIMIZE;
 590   if (style & wxMAXIMIZE)
 591     msflags |= WS_MAXIMIZE;
 592   if (style & wxCAPTION)
 593     msflags |= WS_CAPTION;
 594   if (style & wxCLIP_CHILDREN)
 595     msflags |= WS_CLIPCHILDREN;
 596
 597   // Keep this in wxFrame because it saves recoding this function
 598   // in wxTinyFrame
 599 #if wxUSE_ITSY_BITSY
 600   if (style & wxTINY_CAPTION_VERT)
 601     msflags |= IBS_VERTCAPTION;
 602   if (style & wxTINY_CAPTION_HORIZ)
 603     msflags |= IBS_HORZCAPTION;
 604 #else
 605   if (style & wxTINY_CAPTION_VERT)
 606     msflags |= WS_CAPTION;
 607   if (style & wxTINY_CAPTION_HORIZ)
 608     msflags |= WS_CAPTION;
 609 #endif
 610   if ((style & wxTHICK_FRAME) == 0)
 611     msflags |= WS_BORDER;
 612
 613   WXDWORD extendedStyle = MakeExtendedStyle(style);
 614
 615 #if !defined(__WIN16__) && !defined(__SC__)
 616   if (style & wxFRAME_TOOL_WINDOW)
 617     extendedStyle |= WS_EX_TOOLWINDOW;
 618 #endif
 619
 620   if (style & wxSTAY_ON_TOP)
 621     extendedStyle |= WS_EX_TOPMOST;
 622
 623   m_iconized = FALSE;
 624   wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 625          msflags, NULL, extendedStyle);
 626   // Seems to be necessary if we use WS_POPUP
 627   // style instead of WS_OVERLAPPED
 628   if (width > -1 && height > -1)
 629     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 630 }
 631
 632 bool wxFrame::MSWOnPaint(void)
 633 {
 634   RECT rect;
 635   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
 636   {
 637     if (m_iconized)
 638     {
 639       HICON the_icon;
 640       if (m_icon.Ok())
 641         the_icon = (HICON) m_icon.GetHICON();
 642       else
 643         the_icon = (HICON) m_defaultIcon;
 644
 645       PAINTSTRUCT ps;
 646       // Hold a pointer to the dc so long as the OnPaint() message
 647       // is being processed
 648       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
 649
 650       // Erase background before painting or we get white background
 651       this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)(LONG) ps.hdc,0L);
 652
 653       if (the_icon)
 654       {
 655         RECT rect;
 656         GetClientRect((HWND) GetHWND(), &rect);
 657         int icon_width = 32;
 658         int icon_height = 32;
 659         int icon_x = (int)((rect.right - icon_width)/2);
 660         int icon_y = (int)((rect.bottom - icon_height)/2);
 661         DrawIcon(cdc, icon_x, icon_y, the_icon);
 662       }
 663
 664       EndPaint((HWND) GetHWND(), &ps);
 665     }
 666     else
 667     {
 668         wxPaintEvent event(m_windowId);
 669         event.m_eventObject = this;
 670         if (!GetEventHandler()->ProcessEvent(event))
 671             Default();
 672     }
 673     return 0;
 674   }
 675   return 1;
 676 }
 677
 678 WXHICON wxFrame::MSWOnQueryDragIcon(void)
 679 {
 680   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 681     return m_icon.GetHICON();
 682   else
 683     return m_defaultIcon;
 684 }
 685
 686 void wxFrame::MSWOnSize(int x, int y, WXUINT id)
 687 {
 688   switch (id)
 689   {
 690     case SIZENORMAL:
 691       // only do it it if we were iconized before, otherwise resizing the
 692       // parent frame has a curious side effect of bringing it under it's
 693       // children
 694       if ( !m_iconized )
 695         break;
 696
 697       // restore all child frames too
 698       IconizeChildFrames(FALSE);
 699
 700       // fall through
 701
 702     case SIZEFULLSCREEN:
 703       m_iconized = FALSE;
 704       break;
 705
 706     case SIZEICONIC:
 707       // iconize all child frames too
 708       IconizeChildFrames(TRUE);
 709
 710       m_iconized = TRUE;
 711       break;
 712   }
 713
 714  if (!m_iconized)
 715  {
 716   // forward WM_SIZE to status bar control
 717 #if wxUSE_NATIVE_STATUSBAR
 718   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 719   {
 720     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 721     event.SetEventObject( m_frameStatusBar );
 722
 723     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 724   }
 725 #endif
 726
 727   PositionStatusBar();
 728   PositionToolBar();
 729
 730   wxSizeEvent event(wxSize(x, y), m_windowId);
 731   event.SetEventObject( this );
 732   if (!GetEventHandler()->ProcessEvent(event))
 733     Default();
 734  }
 735 }
 736
 737 bool wxFrame::MSWOnClose(void)
 738 {
 739     return Close();
 740 }
 741
 742 bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 743 {
 744   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 745   {
 746     // In case it's e.g. a toolbar.
 747     wxWindow *win = wxFindWinFromHandle(control);
 748     if (win)
 749       return win->MSWCommand(cmd, id);
 750
 751     if (wxCurrentPopupMenu)
 752     {
 753         wxMenu *popupMenu = wxCurrentPopupMenu;
 754         wxCurrentPopupMenu = NULL;
 755         if (popupMenu->MSWCommand(cmd, id))
 756             return TRUE;
 757     }
 758
 759     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 760     {
 761       ProcessCommand(id);
 762       return TRUE;
 763     }
 764     else
 765       return FALSE;
 766   }
 767   else
 768     return FALSE;
 769 }
 770
 771 void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
 772 {
 773   if (nFlags == 0xFFFF && hSysMenu == 0)
 774   {
 775     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 776     event.SetEventObject( this );
 777     GetEventHandler()->ProcessEvent(event);
 778   }
 779   else if (nFlags != MF_SEPARATOR)
 780   {
 781     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 782     event.SetEventObject( this );
 783     GetEventHandler()->ProcessEvent(event);
 784   }
 785 }
 786
 787 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 788 {
 789   return FALSE;
 790 }
 791
 792 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 793 {
 794   if (m_acceleratorTable.Ok() &&
 795           ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), (MSG *)pMsg))
 796     return TRUE;
 797
 798   return FALSE;
 799 }
 800
 801 // Default resizing behaviour - if only ONE subwindow,
 802 // resize to client rectangle size
 803 void wxFrame::OnSize(wxSizeEvent& event)
 804 {
 805   // if we're using constraints - do use them
 806   #if wxUSE_CONSTRAINTS
 807     if ( GetAutoLayout() ) {
 808       Layout();
 809       return;
 810     }
 811   #endif
 812
 813   // do we have _exactly_ one child?
 814   wxWindow *child = NULL;
 815   for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 816   {
 817     wxWindow *win = (wxWindow *)node->Data();
 818     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 819          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 820          (win != GetStatusBar()) &&
 821          (win != GetToolBar()) )
 822     {
 823       if ( child )
 824         return;     // it's our second subwindow - nothing to do
 825       child = win;
 826     }
 827   }
 828
 829   if ( child ) {
 830     // we have exactly one child - set it's size to fill the whole frame
 831     int clientW, clientH;
 832     GetClientSize(&clientW, &clientH);
 833
 834     int x = 0;
 835     int y = 0;
 836
 837     child->SetSize(x, y, clientW, clientH);
 838   }
 839 }
 840
 841 // Default activation behaviour - set the focus for the first child
 842 // subwindow found.
 843 void wxFrame::OnActivate(wxActivateEvent& event)
 844 {
 845   for(wxNode *node = GetChildren().First(); node; node = node->Next())
 846   {
 847     // Find a child that's a subwindow, but not a dialog box.
 848     wxWindow *child = (wxWindow *)node->Data();
 849     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 850          !child->IsKindOf(CLASSINFO(wxDialog)))
 851     {
 852       child->SetFocus();
 853       return;
 854     }
 855   }
 856 }
 857
 858 // The default implementation for the close window event - calls
 859 // OnClose for backward compatibility.
 860
 861 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 862 {
 863     // Compatibility
 864     if ( GetEventHandler()->OnClose() || event.GetForce())
 865     {
 866         this->Destroy();
 867     }
 868     else
 869         event.Veto(TRUE);
 870 }
 871
 872 bool wxFrame::OnClose(void)
 873 {
 874     return TRUE;
 875 }
 876
 877 // Destroy the window (delayed, if a managed window)
 878 bool wxFrame::Destroy(void)
 879 {
 880   if (!wxPendingDelete.Member(this))
 881     wxPendingDelete.Append(this);
 882   return TRUE;
 883 }
 884
 885 // Default menu selection behaviour - display a help string
 886 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 887 {
 888   if (GetStatusBar())
 889   {
 890     if (event.GetMenuId() == -1)
 891       SetStatusText("");
 892     else
 893     {
 894       wxMenuBar *menuBar = GetMenuBar();
 895       if (menuBar)
 896       {
 897 // #ifndef __SALFORDC__
 898         int menuId = event.GetMenuId();
 899         wxString helpString;
 900         // This causes a spurious access violation with Salford C++
 901         helpString = menuBar->GetHelpString(menuId);
 902         if (helpString != "")
 903             SetStatusText(helpString);
 904 // #endif
 905       }
 906     }
 907   }
 908 }
 909
 910 wxMenuBar *wxFrame::GetMenuBar(void) const
 911 {
 912   return m_frameMenuBar;
 913 }
 914
 915 void wxFrame::Centre(int direction)
 916 {
 917   int display_width, display_height, width, height, x, y;
 918   wxDisplaySize(&display_width, &display_height);
 919
 920   GetSize(&width, &height);
 921   GetPosition(&x, &y);
 922
 923   if (direction & wxHORIZONTAL)
 924     x = (int)((display_width - width)/2);
 925   if (direction & wxVERTICAL)
 926     y = (int)((display_height - height)/2);
 927
 928   SetSize(x, y, width, height);
 929 }
 930
 931 // Call this to simulate a menu command
 932 void wxFrame::Command(int id)
 933 {
 934   ProcessCommand(id);
 935 }
 936
 937 void wxFrame::ProcessCommand(int id)
 938 {
 939   wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 940   commandEvent.SetInt( id );
 941   commandEvent.SetEventObject( this );
 942
 943   wxMenuBar *bar = GetMenuBar() ;
 944   if (!bar)
 945     return;
 946
 947   wxMenuItem *item = bar->FindItemForId(id) ;
 948   if (item && item->IsCheckable())
 949   {
 950     bar->Check(id,!bar->Checked(id)) ;
 951   }
 952   GetEventHandler()->ProcessEvent(commandEvent);
 953 }
 954
 955 // Checks if there is a toolbar, and returns the first free client position
 956 wxPoint wxFrame::GetClientAreaOrigin() const
 957 {
 958     wxPoint pt(0, 0);
 959     if (GetToolBar())
 960     {
 961         int w, h;
 962         GetToolBar()->GetSize(& w, & h);
 963
 964         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 965         {
 966             pt.x += w;
 967         }
 968         else
 969         {
 970             pt.y += h;
 971         }
 972     }
 973     return pt;
 974 }
 975
 976 void wxFrame::ScreenToClient(int *x, int *y) const
 977 {
 978     wxWindow::ScreenToClient(x, y);
 979
 980     // We may be faking the client origin.
 981     // So a window that's really at (0, 30) may appear
 982     // (to wxWin apps) to be at (0, 0).
 983     wxPoint pt(GetClientAreaOrigin());
 984     *x -= pt.x;
 985     *y -= pt.y;
 986 }
 987
 988 void wxFrame::ClientToScreen(int *x, int *y) const
 989 {
 990     // We may be faking the client origin.
 991     // So a window that's really at (0, 30) may appear
 992     // (to wxWin apps) to be at (0, 0).
 993     wxPoint pt1(GetClientAreaOrigin());
 994     *x += pt1.x;
 995     *y += pt1.y;
 996
 997     wxWindow::ClientToScreen(x, y);
 998 }
 999
1000 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
1001 {
1002     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
1003                "recreating toolbar in wxFrame" );
1004
1005     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
1006     if (toolBar)
1007     {
1008         SetToolBar(toolBar);
1009         PositionToolBar();
1010         return toolBar;
1011     }
1012     else
1013     {
1014         return NULL;
1015     }
1016 }
1017
1018 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
1019 {
1020     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
1021 }
1022
1023 void wxFrame::PositionToolBar(void)
1024 {
1025     RECT rect;
1026     ::GetClientRect((HWND) GetHWND(), &rect);
1027
1028     if ( GetStatusBar() )
1029     {
1030       int statusX, statusY;
1031       GetStatusBar()->GetClientSize(&statusX, &statusY);
1032       rect.bottom -= statusY;
1033     }
1034
1035     if (GetToolBar())
1036     {
1037         int tw, th;
1038         GetToolBar()->GetSize(& tw, & th);
1039
1040         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
1041         {
1042             // Use the 'real' MSW position
1043             GetToolBar()->SetSize(0, 0, tw, rect.bottom, wxSIZE_NO_ADJUSTMENTS);
1044         }
1045         else
1046         {
1047             // Use the 'real' MSW position
1048             GetToolBar()->SetSize(0, 0, rect.right, th, wxSIZE_NO_ADJUSTMENTS);
1049         }
1050     }
1051 }
1052
1053 // propagate our state change to all child frames
1054 void wxFrame::IconizeChildFrames(bool bIconize)
1055 {
1056   for ( wxNode *node = GetChildren().First(); node; node = node->Next() ) {
1057     wxWindow *win = (wxWindow *)node->Data();
1058     if ( win->IsKindOf(CLASSINFO(wxFrame)) ) {
1059       ((wxFrame *)win)->Iconize(bIconize);
1060     }
1061   }
1062 }
1063