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 #ifdef LoadAccelerators
  41 #undef LoadAccelerators
  42 #endif
  43
  44 #if wxUSE_NATIVE_STATUSBAR
  45     #include <wx/msw/statbr95.h>
  46 #endif
  47
  48 extern wxList wxModelessWindows;
  49 extern wxList WXDLLEXPORT wxPendingDelete;
  50 extern char wxFrameClassName[];
  51 extern wxMenu *wxCurrentPopupMenu;
  52
  53 #if !USE_SHARED_LIBRARY
  54 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  55   EVT_SIZE(wxFrame::OnSize)
  56   EVT_ACTIVATE(wxFrame::OnActivate)
  57   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  58   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  59   EVT_IDLE(wxFrame::OnIdle)
  60   EVT_CLOSE(wxFrame::OnCloseWindow)
  61 END_EVENT_TABLE()
  62
  63 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  64 #endif
  65
  66 #if wxUSE_NATIVE_STATUSBAR
  67     bool wxFrame::m_useNativeStatusBar = TRUE;
  68 #else
  69     bool wxFrame::m_useNativeStatusBar = FALSE;
  70 #endif
  71
  72 wxFrame::wxFrame()
  73 {
  74   m_frameToolBar = NULL ;
  75   m_frameMenuBar = NULL;
  76   m_frameStatusBar = NULL;
  77
  78   m_windowParent = NULL;
  79   m_iconized = FALSE;
  80 }
  81
  82 bool wxFrame::Create(wxWindow *parent,
  83            wxWindowID id,
  84            const wxString& title,
  85            const wxPoint& pos,
  86            const wxSize& size,
  87            long style,
  88            const wxString& name)
  89 {
  90 #if wxUSE_TOOLTIPS
  91     m_hwndToolTip = 0;
  92 #endif
  93
  94   if (!parent)
  95     wxTopLevelWindows.Append(this);
  96
  97   SetName(name);
  98 //  m_modalShowing = FALSE;
  99   m_windowStyle = style;
 100   m_frameMenuBar = NULL;
 101   m_frameToolBar = NULL ;
 102   m_frameStatusBar = NULL;
 103
 104   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 105
 106 //  m_icon = NULL;
 107   if ( id > -1 )
 108     m_windowId = id;
 109   else
 110     m_windowId = (int)NewControlId();
 111
 112   if (parent) parent->AddChild(this);
 113
 114   int x = pos.x;
 115   int y = pos.y;
 116   int width = size.x;
 117   int height = size.y;
 118
 119   m_iconized = FALSE;
 120
 121   // we pass NULL as parent to MSWCreate because frames with parents behave
 122   // very strangely under Win95 shell
 123   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 124   // with this style.
 125   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 126     parent = NULL;
 127
 128   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 129             x, y, width, height, style);
 130
 131   wxModelessWindows.Append(this);
 132   return TRUE;
 133 }
 134
 135 wxFrame::~wxFrame()
 136 {
 137   m_isBeingDeleted = TRUE;
 138   wxTopLevelWindows.DeleteObject(this);
 139
 140   if (m_frameStatusBar)
 141     delete m_frameStatusBar;
 142   if (m_frameMenuBar)
 143     delete m_frameMenuBar;
 144
 145 /* New behaviour March 1998: check if it's the last top-level window */
 146 //  if (wxTheApp && (this == wxTheApp->GetTopWindow()))
 147
 148   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 149   {
 150     wxTheApp->SetTopWindow(NULL);
 151
 152     if (wxTheApp->GetExitOnFrameDelete())
 153     {
 154        PostQuitMessage(0);
 155     }
 156   }
 157
 158   wxModelessWindows.DeleteObject(this);
 159
 160   // For some reason, wxWindows can activate another task altogether
 161   // when a frame is destroyed after a modal dialog has been invoked.
 162   // Try to bring the parent to the top.
 163   if (GetParent() && GetParent()->GetHWND())
 164     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 165 }
 166
 167 WXHMENU wxFrame::GetWinMenu() const
 168 {
 169   return m_hMenu;
 170 }
 171
 172 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 173 void wxFrame::GetClientSize(int *x, int *y) const
 174 {
 175   RECT rect;
 176   ::GetClientRect((HWND) GetHWND(), &rect);
 177
 178   if ( GetStatusBar() )
 179   {
 180     int statusX, statusY;
 181     GetStatusBar()->GetClientSize(&statusX, &statusY);
 182     rect.bottom -= statusY;
 183   }
 184
 185   wxPoint pt(GetClientAreaOrigin());
 186   rect.bottom -= pt.y;
 187   rect.right -= pt.x;
 188
 189   *x = rect.right;
 190   *y = rect.bottom;
 191 }
 192
 193 // Set the client size (i.e. leave the calculation of borders etc.
 194 // to wxWindows)
 195 void wxFrame::DoSetClientSize(int width, int height)
 196 {
 197   HWND hWnd = (HWND) GetHWND();
 198
 199   RECT rect;
 200   ::GetClientRect(hWnd, &rect);
 201
 202   RECT rect2;
 203   GetWindowRect(hWnd, &rect2);
 204
 205   // Find the difference between the entire window (title bar and all)
 206   // and the client area; add this to the new client size to move the
 207   // window
 208   int actual_width = rect2.right - rect2.left - rect.right + width;
 209   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 210
 211   if ( GetStatusBar() )
 212   {
 213     int statusX, statusY;
 214     GetStatusBar()->GetClientSize(&statusX, &statusY);
 215     actual_height += statusY;
 216   }
 217
 218   wxPoint pt(GetClientAreaOrigin());
 219   actual_width += pt.y;
 220   actual_height += pt.x;
 221
 222   POINT point;
 223   point.x = rect2.left;
 224   point.y = rect2.top;
 225
 226   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 227
 228   wxSizeEvent event(wxSize(width, height), m_windowId);
 229   event.SetEventObject( this );
 230   GetEventHandler()->ProcessEvent(event);
 231 }
 232
 233 void wxFrame::GetSize(int *width, int *height) const
 234 {
 235   RECT rect;
 236   GetWindowRect((HWND) GetHWND(), &rect);
 237   *width = rect.right - rect.left;
 238   *height = rect.bottom - rect.top;
 239 }
 240
 241 void wxFrame::GetPosition(int *x, int *y) const
 242 {
 243   RECT rect;
 244   GetWindowRect((HWND) GetHWND(), &rect);
 245   POINT point;
 246   point.x = rect.left;
 247   point.y = rect.top;
 248
 249   *x = point.x;
 250   *y = point.y;
 251 }
 252
 253 void wxFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 254 {
 255   int currentX, currentY;
 256   int x1 = x;
 257   int y1 = y;
 258   int w1 = width;
 259   int h1 = height;
 260
 261   GetPosition(&currentX, &currentY);
 262   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 263     x1 = currentX;
 264   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 265     y1 = currentY;
 266
 267   int ww,hh ;
 268   GetSize(&ww,&hh) ;
 269   if (width == -1) w1 = ww ;
 270   if (height==-1) h1 = hh ;
 271
 272   MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, (BOOL)TRUE);
 273
 274   wxSizeEvent event(wxSize(width, height), m_windowId);
 275   event.SetEventObject( this );
 276   GetEventHandler()->ProcessEvent(event);
 277 }
 278
 279 bool wxFrame::Show(bool show)
 280 {
 281   int cshow;
 282   if (show)
 283     cshow = SW_SHOW;
 284   else
 285     cshow = SW_HIDE;
 286
 287   if (!show)
 288   {
 289     // Try to highlight the correct window (the parent)
 290     HWND hWndParent = 0;
 291     if (GetParent())
 292     {
 293       hWndParent = (HWND) GetParent()->GetHWND();
 294       if (hWndParent)
 295         ::BringWindowToTop(hWndParent);
 296     }
 297   }
 298
 299   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 300   if (show)
 301   {
 302     BringWindowToTop((HWND) GetHWND());
 303
 304     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 305     event.SetEventObject( this );
 306     GetEventHandler()->ProcessEvent(event);
 307   }
 308   return TRUE;
 309 }
 310
 311 void wxFrame::Iconize(bool iconize)
 312 {
 313   if (!iconize)
 314     Show(TRUE);
 315
 316   int cshow;
 317   if (iconize)
 318     cshow = SW_MINIMIZE;
 319   else
 320     cshow = SW_RESTORE;
 321   ShowWindow((HWND) GetHWND(), (BOOL)cshow);
 322   m_iconized = iconize;
 323 }
 324
 325 // Equivalent to maximize/restore in Windows
 326 void wxFrame::Maximize(bool maximize)
 327 {
 328   Show(TRUE);
 329   int cshow;
 330   if (maximize)
 331     cshow = SW_MAXIMIZE;
 332   else
 333     cshow = SW_RESTORE;
 334   ShowWindow((HWND) GetHWND(), cshow);
 335   m_iconized = FALSE;
 336 }
 337
 338 bool wxFrame::IsIconized() const
 339 {
 340   ((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
 341   return m_iconized;
 342 }
 343
 344 // Is it maximized?
 345 bool wxFrame::IsMaximized() const
 346 {
 347     return (::IsZoomed((HWND) GetHWND()) != 0) ;
 348 }
 349
 350 void wxFrame::SetTitle(const wxString& title)
 351 {
 352   SetWindowText((HWND) GetHWND(), (const char *)title);
 353 }
 354
 355 wxString wxFrame::GetTitle() const
 356 {
 357   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
 358   return wxString(wxBuffer);
 359 }
 360
 361 void wxFrame::SetIcon(const wxIcon& icon)
 362 {
 363   m_icon = icon;
 364 #if defined(__WIN95__)
 365   if ( m_icon.Ok() )
 366     SendMessage((HWND) GetHWND(), WM_SETICON,
 367                 (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 368 #endif
 369 }
 370
 371 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 372     const wxString& name)
 373 {
 374     wxStatusBar *statusBar = NULL;
 375
 376 #if wxUSE_NATIVE_STATUSBAR
 377     if (UsesNativeStatusBar())
 378     {
 379         statusBar = new wxStatusBar95(this, id, style);
 380     }
 381     else
 382 #endif
 383     {
 384         statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
 385             style, name);
 386
 387         // Set the height according to the font and the border size
 388         wxClientDC dc(statusBar);
 389         dc.SetFont(statusBar->GetFont());
 390
 391         long x, y;
 392         dc.GetTextExtent("X", &x, &y);
 393
 394         int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 395
 396         statusBar->SetSize(-1, -1, 100, height);
 397     }
 398
 399   statusBar->SetFieldsCount(number);
 400   return statusBar;
 401 }
 402
 403 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 404     const wxString& name)
 405 {
 406   // VZ: calling CreateStatusBar twice is an error - why anyone would do it?
 407   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 408                "recreating status bar in wxFrame" );
 409
 410   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 411     name);
 412   if ( m_frameStatusBar )
 413   {
 414     PositionStatusBar();
 415     return m_frameStatusBar;
 416   }
 417   else
 418     return NULL;
 419 }
 420
 421 void wxFrame::SetStatusText(const wxString& text, int number)
 422 {
 423   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 424
 425   m_frameStatusBar->SetStatusText(text, number);
 426 }
 427
 428 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 429 {
 430   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 431
 432   m_frameStatusBar->SetStatusWidths(n, widths_field);
 433   PositionStatusBar();
 434 }
 435
 436 void wxFrame::PositionStatusBar()
 437 {
 438   // native status bar positions itself
 439   if (m_frameStatusBar
 440 #if wxUSE_NATIVE_STATUSBAR
 441    && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 442 #endif
 443     )
 444   {
 445       int w, h;
 446       GetClientSize(&w, &h);
 447       int sw, sh;
 448       m_frameStatusBar->GetSize(&sw, &sh);
 449
 450       // Since we wish the status bar to be directly under the client area,
 451       // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 452       m_frameStatusBar->SetSize(0, h, w, sh);
 453   }
 454 }
 455
 456 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 457 {
 458     if (!menu_bar)
 459     {
 460         m_frameMenuBar = NULL;
 461         return;
 462     }
 463
 464     wxCHECK_RET( !menu_bar->GetFrame(), "this menubar is already attached" );
 465
 466     if (m_frameMenuBar)
 467         delete m_frameMenuBar;
 468
 469     m_hMenu = menu_bar->Create();
 470
 471     if ( !m_hMenu )
 472         return;
 473
 474     if ( !::SetMenu((HWND)GetHWND(), (HMENU)m_hMenu) )
 475     {
 476         wxLogLastError("SetMenu");
 477     }
 478
 479     m_frameMenuBar = menu_bar;
 480     menu_bar->Attach(this);
 481 }
 482
 483 #if 0
 484 bool wxFrame::LoadAccelerators(const wxString& table)
 485 {
 486   m_acceleratorTable = (WXHANDLE)
 487 #ifdef __WIN32__
 488 #ifdef UNICODE
 489      ::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
 490 #else
 491      ::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
 492 #endif
 493 #else
 494      ::LoadAccelerators(wxGetInstance(), (const char *)table);
 495 #endif
 496
 497   // The above is necessary because LoadAccelerators is a macro
 498   // which we have undefed earlier in the file to avoid confusion
 499   // with wxFrame::LoadAccelerators. Ugh!
 500
 501   return (m_acceleratorTable != (WXHANDLE) NULL);
 502 }
 503 #endif
 504
 505 void wxFrame::Fit()
 506 {
 507   // Work out max. size
 508   wxNode *node = GetChildren().First();
 509   int max_width = 0;
 510   int max_height = 0;
 511   while (node)
 512   {
 513     // Find a child that's a subwindow, but not a dialog box.
 514     wxWindow *win = (wxWindow *)node->Data();
 515
 516     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 517          !win->IsKindOf(CLASSINFO(wxDialog)))
 518     {
 519       int width, height;
 520       int x, y;
 521       win->GetSize(&width, &height);
 522       win->GetPosition(&x, &y);
 523
 524       if ((x + width) > max_width)
 525         max_width = x + width;
 526       if ((y + height) > max_height)
 527         max_height = y + height;
 528     }
 529     node = node->Next();
 530   }
 531   SetClientSize(max_width, max_height);
 532 }
 533
 534 // Responds to colour changes, and passes event on to children.
 535 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 536 {
 537     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 538     Refresh();
 539
 540     if ( m_frameStatusBar )
 541     {
 542         wxSysColourChangedEvent event2;
 543         event2.SetEventObject( m_frameStatusBar );
 544         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 545     }
 546
 547     // Propagate the event to the non-top-level children
 548     wxWindow::OnSysColourChanged(event);
 549 }
 550
 551 /*
 552  * Frame window
 553  *
 554  */
 555
 556 void wxFrame::MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 557                    int x, int y, int width, int height, long style)
 558
 559 {
 560   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 561
 562   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 563   // could be the culprit. But without it, you can get a lot of flicker.
 564
 565   DWORD msflags = 0;
 566   if ((style & wxCAPTION) == wxCAPTION)
 567     msflags = WS_OVERLAPPED;
 568   else
 569     msflags = WS_POPUP;
 570
 571   if (style & wxMINIMIZE_BOX)
 572     msflags |= WS_MINIMIZEBOX;
 573   if (style & wxMAXIMIZE_BOX)
 574     msflags |= WS_MAXIMIZEBOX;
 575   if (style & wxTHICK_FRAME)
 576     msflags |= WS_THICKFRAME;
 577   if (style & wxSYSTEM_MENU)
 578     msflags |= WS_SYSMENU;
 579   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 580     msflags |= WS_MINIMIZE;
 581   if (style & wxMAXIMIZE)
 582     msflags |= WS_MAXIMIZE;
 583   if (style & wxCAPTION)
 584     msflags |= WS_CAPTION;
 585   if (style & wxCLIP_CHILDREN)
 586     msflags |= WS_CLIPCHILDREN;
 587
 588   // Keep this in wxFrame because it saves recoding this function
 589   // in wxTinyFrame
 590 #if wxUSE_ITSY_BITSY
 591   if (style & wxTINY_CAPTION_VERT)
 592     msflags |= IBS_VERTCAPTION;
 593   if (style & wxTINY_CAPTION_HORIZ)
 594     msflags |= IBS_HORZCAPTION;
 595 #else
 596   if (style & wxTINY_CAPTION_VERT)
 597     msflags |= WS_CAPTION;
 598   if (style & wxTINY_CAPTION_HORIZ)
 599     msflags |= WS_CAPTION;
 600 #endif
 601   if ((style & wxTHICK_FRAME) == 0)
 602     msflags |= WS_BORDER;
 603
 604   WXDWORD extendedStyle = MakeExtendedStyle(style);
 605
 606 #if !defined(__WIN16__) && !defined(__SC__)
 607   if (style & wxFRAME_TOOL_WINDOW)
 608     extendedStyle |= WS_EX_TOOLWINDOW;
 609 #endif
 610
 611   if (style & wxSTAY_ON_TOP)
 612     extendedStyle |= WS_EX_TOPMOST;
 613
 614   m_iconized = FALSE;
 615   wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 616          msflags, NULL, extendedStyle);
 617   // Seems to be necessary if we use WS_POPUP
 618   // style instead of WS_OVERLAPPED
 619   if (width > -1 && height > -1)
 620     ::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 621 }
 622
 623 bool wxFrame::MSWOnPaint()
 624 {
 625   RECT rect;
 626   if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
 627   {
 628     if (m_iconized)
 629     {
 630       HICON the_icon;
 631       if (m_icon.Ok())
 632         the_icon = (HICON) m_icon.GetHICON();
 633       else
 634         the_icon = (HICON) m_defaultIcon;
 635
 636       PAINTSTRUCT ps;
 637       // Hold a pointer to the dc so long as the OnPaint() message
 638       // is being processed
 639       HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
 640
 641       // Erase background before painting or we get white background
 642       this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)(LONG) ps.hdc,0L);
 643
 644       if (the_icon)
 645       {
 646         RECT rect;
 647         ::GetClientRect((HWND) GetHWND(), &rect);
 648         int icon_width = 32;
 649         int icon_height = 32;
 650         int icon_x = (int)((rect.right - icon_width)/2);
 651         int icon_y = (int)((rect.bottom - icon_height)/2);
 652         DrawIcon(cdc, icon_x, icon_y, the_icon);
 653       }
 654
 655       EndPaint((HWND) GetHWND(), &ps);
 656     }
 657     else
 658     {
 659         wxPaintEvent event(m_windowId);
 660         event.m_eventObject = this;
 661         if (!GetEventHandler()->ProcessEvent(event))
 662             Default();
 663     }
 664     return 0;
 665   }
 666   return 1;
 667 }
 668
 669 WXHICON wxFrame::MSWOnQueryDragIcon()
 670 {
 671   if (m_icon.Ok() && (m_icon.GetHICON() != 0))
 672     return m_icon.GetHICON();
 673   else
 674     return m_defaultIcon;
 675 }
 676
 677 void wxFrame::MSWOnSize(int x, int y, WXUINT id)
 678 {
 679   switch (id)
 680   {
 681     case SIZENORMAL:
 682       // only do it it if we were iconized before, otherwise resizing the
 683       // parent frame has a curious side effect of bringing it under it's
 684       // children
 685       if ( !m_iconized )
 686         break;
 687
 688       // restore all child frames too
 689       IconizeChildFrames(FALSE);
 690
 691       // fall through
 692
 693     case SIZEFULLSCREEN:
 694       m_iconized = FALSE;
 695       break;
 696
 697     case SIZEICONIC:
 698       // iconize all child frames too
 699       IconizeChildFrames(TRUE);
 700
 701       m_iconized = TRUE;
 702       break;
 703   }
 704
 705  if (!m_iconized)
 706  {
 707   // forward WM_SIZE to status bar control
 708 #if wxUSE_NATIVE_STATUSBAR
 709   if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 710   {
 711     wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 712     event.SetEventObject( m_frameStatusBar );
 713
 714     ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 715   }
 716 #endif
 717
 718   PositionStatusBar();
 719   PositionToolBar();
 720
 721   wxSizeEvent event(wxSize(x, y), m_windowId);
 722   event.SetEventObject( this );
 723   if (!GetEventHandler()->ProcessEvent(event))
 724     Default();
 725  }
 726 }
 727
 728 bool wxFrame::MSWOnClose()
 729 {
 730     return Close();
 731 }
 732
 733 bool wxFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control)
 734 {
 735   if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
 736   {
 737     // In case it's e.g. a toolbar.
 738     wxWindow *win = wxFindWinFromHandle(control);
 739     if (win)
 740       return win->MSWCommand(cmd, id);
 741
 742     if (wxCurrentPopupMenu)
 743     {
 744         wxMenu *popupMenu = wxCurrentPopupMenu;
 745         wxCurrentPopupMenu = NULL;
 746         if (popupMenu->MSWCommand(cmd, id))
 747             return TRUE;
 748     }
 749
 750     if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
 751     {
 752       ProcessCommand(id);
 753       return TRUE;
 754     }
 755     else
 756       return FALSE;
 757   }
 758   else
 759     return wxWindow::MSWOnCommand(id, cmd, control);
 760 }
 761
 762 void wxFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu)
 763 {
 764   if (nFlags == 0xFFFF && hSysMenu == 0)
 765   {
 766     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
 767     event.SetEventObject( this );
 768     GetEventHandler()->ProcessEvent(event);
 769   }
 770   else if ((nFlags != MF_SEPARATOR) && (nItem != 0) && (nItem != 65535))
 771   {
 772     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
 773     event.SetEventObject( this );
 774     GetEventHandler()->ProcessEvent(event);
 775   }
 776 }
 777
 778 bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
 779 {
 780   return FALSE;
 781 }
 782
 783 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 784 {
 785   if (m_acceleratorTable.Ok() &&
 786           ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), (MSG *)pMsg))
 787     return TRUE;
 788
 789   return FALSE;
 790 }
 791
 792 // Default resizing behaviour - if only ONE subwindow,
 793 // resize to client rectangle size
 794 void wxFrame::OnSize(wxSizeEvent& event)
 795 {
 796   // if we're using constraints - do use them
 797   #if wxUSE_CONSTRAINTS
 798     if ( GetAutoLayout() ) {
 799       Layout();
 800       return;
 801     }
 802   #endif
 803
 804   // do we have _exactly_ one child?
 805   wxWindow *child = NULL;
 806   for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 807   {
 808     wxWindow *win = (wxWindow *)node->Data();
 809     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 810          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 811          (win != GetStatusBar()) &&
 812          (win != GetToolBar()) )
 813     {
 814       if ( child )
 815         return;     // it's our second subwindow - nothing to do
 816       child = win;
 817     }
 818   }
 819
 820   if ( child ) {
 821     // we have exactly one child - set it's size to fill the whole frame
 822     int clientW, clientH;
 823     GetClientSize(&clientW, &clientH);
 824
 825     int x = 0;
 826     int y = 0;
 827
 828     child->SetSize(x, y, clientW, clientH);
 829   }
 830 }
 831
 832 // Default activation behaviour - set the focus for the first child
 833 // subwindow found.
 834 void wxFrame::OnActivate(wxActivateEvent& event)
 835 {
 836   for(wxNode *node = GetChildren().First(); node; node = node->Next())
 837   {
 838     // Find a child that's a subwindow, but not a dialog box.
 839     wxWindow *child = (wxWindow *)node->Data();
 840     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 841          !child->IsKindOf(CLASSINFO(wxDialog)))
 842     {
 843       child->SetFocus();
 844       return;
 845     }
 846   }
 847 }
 848
 849 // The default implementation for the close window event.
 850 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 851 {
 852     this->Destroy();
 853 }
 854
 855 // Destroy the window (delayed, if a managed window)
 856 bool wxFrame::Destroy()
 857 {
 858   if (!wxPendingDelete.Member(this))
 859     wxPendingDelete.Append(this);
 860   return TRUE;
 861 }
 862
 863 // Default menu selection behaviour - display a help string
 864 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 865 {
 866   if (GetStatusBar())
 867   {
 868     int menuId = event.GetMenuId();
 869     if ( menuId != -1 )
 870     {
 871       wxMenuBar *menuBar = GetMenuBar();
 872       if (menuBar && menuBar->FindItem(menuId))
 873       {
 874         // set status text even if the string is empty - this will at
 875         // least remove the string from the item which was previously
 876         // selected
 877         SetStatusText(menuBar->GetHelpString(menuId));
 878       }
 879     }
 880   }
 881 }
 882
 883 wxMenuBar *wxFrame::GetMenuBar() const
 884 {
 885   return m_frameMenuBar;
 886 }
 887
 888 void wxFrame::Centre(int direction)
 889 {
 890   int display_width, display_height, width, height, x, y;
 891   wxDisplaySize(&display_width, &display_height);
 892
 893   GetSize(&width, &height);
 894   GetPosition(&x, &y);
 895
 896   if (direction & wxHORIZONTAL)
 897     x = (int)((display_width - width)/2);
 898   if (direction & wxVERTICAL)
 899     y = (int)((display_height - height)/2);
 900
 901   SetSize(x, y, width, height);
 902 }
 903
 904 // Call this to simulate a menu command
 905 void wxFrame::Command(int id)
 906 {
 907   ProcessCommand(id);
 908 }
 909
 910 void wxFrame::ProcessCommand(int id)
 911 {
 912   wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 913   commandEvent.SetInt( id );
 914   commandEvent.SetEventObject( this );
 915
 916   wxMenuBar *bar = GetMenuBar() ;
 917   if (!bar)
 918     return;
 919
 920   wxMenuItem *item = bar->FindItemForId(id) ;
 921   if (item && item->IsCheckable())
 922   {
 923     bar->Check(id,!bar->Checked(id)) ;
 924   }
 925
 926 /*
 927   // Process events starting with the window with the focus, if any.
 928   wxWindow* focusWin = wxFindFocusDescendant(this);
 929
 930   wxEvtHandler* evtHandler = focusWin ? focusWin->GetEventHandler() : GetEventHandler();
 931 */
 932
 933   wxEvtHandler* evtHandler = GetEventHandler();
 934   evtHandler->ProcessEvent(commandEvent);
 935 }
 936
 937 // Checks if there is a toolbar, and returns the first free client position
 938 wxPoint wxFrame::GetClientAreaOrigin() const
 939 {
 940     wxPoint pt(0, 0);
 941     if (GetToolBar())
 942     {
 943         int w, h;
 944         GetToolBar()->GetSize(& w, & h);
 945
 946         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 947         {
 948             pt.x += w;
 949         }
 950         else
 951         {
 952             pt.y += h;
 953         }
 954     }
 955     return pt;
 956 }
 957
 958 void wxFrame::ScreenToClient(int *x, int *y) const
 959 {
 960     wxWindow::ScreenToClient(x, y);
 961
 962     // We may be faking the client origin.
 963     // So a window that's really at (0, 30) may appear
 964     // (to wxWin apps) to be at (0, 0).
 965     wxPoint pt(GetClientAreaOrigin());
 966     *x -= pt.x;
 967     *y -= pt.y;
 968 }
 969
 970 void wxFrame::ClientToScreen(int *x, int *y) const
 971 {
 972     // We may be faking the client origin.
 973     // So a window that's really at (0, 30) may appear
 974     // (to wxWin apps) to be at (0, 0).
 975     wxPoint pt1(GetClientAreaOrigin());
 976     *x += pt1.x;
 977     *y += pt1.y;
 978
 979     wxWindow::ClientToScreen(x, y);
 980 }
 981
 982 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 983 {
 984     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 985                "recreating toolbar in wxFrame" );
 986
 987     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 988     if (toolBar)
 989     {
 990         SetToolBar(toolBar);
 991         PositionToolBar();
 992         return toolBar;
 993     }
 994     else
 995     {
 996         return NULL;
 997     }
 998 }
 999
1000 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
1001 {
1002     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
1003 }
1004
1005 void wxFrame::PositionToolBar()
1006 {
1007     RECT rect;
1008     ::GetClientRect((HWND) GetHWND(), &rect);
1009
1010     if ( GetStatusBar() )
1011     {
1012       int statusX, statusY;
1013       GetStatusBar()->GetClientSize(&statusX, &statusY);
1014       rect.bottom -= statusY;
1015     }
1016
1017     if (GetToolBar())
1018     {
1019         int tw, th;
1020         GetToolBar()->GetSize(& tw, & th);
1021
1022         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
1023         {
1024             // Use the 'real' MSW position
1025             GetToolBar()->SetSize(0, 0, tw, rect.bottom, wxSIZE_NO_ADJUSTMENTS);
1026         }
1027         else
1028         {
1029             // Use the 'real' MSW position
1030             GetToolBar()->SetSize(0, 0, rect.right, th, wxSIZE_NO_ADJUSTMENTS);
1031         }
1032     }
1033 }
1034
1035 // propagate our state change to all child frames
1036 void wxFrame::IconizeChildFrames(bool bIconize)
1037 {
1038   for ( wxNode *node = GetChildren().First(); node; node = node->Next() ) {
1039     wxWindow *win = (wxWindow *)node->Data();
1040     if ( win->IsKindOf(CLASSINFO(wxFrame)) ) {
1041       ((wxFrame *)win)->Iconize(bIconize);
1042     }
1043   }
1044 }
1045