src/gtk1/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11     #pragma implementation "frame.h"
  12 #endif
  13
  14 #include "wx/frame.h"
  15 #include "wx/dialog.h"
  16 #include "wx/control.h"
  17 #include "wx/app.h"
  18 #include "wx/menu.h"
  19 #include "wx/toolbar.h"
  20 #include "wx/statusbr.h"
  21 #include "wx/dcclient.h"
  22
  23 #include "glib.h"
  24 #include "gdk/gdk.h"
  25 #include "gtk/gtk.h"
  26 #include "wx/gtk/win_gtk.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // constants
  30 //-----------------------------------------------------------------------------
  31
  32 const int wxMENU_HEIGHT    = 27;
  33 const int wxSTATUS_HEIGHT  = 25;
  34 const int wxPLACE_HOLDER   = 0;
  35
  36 //-----------------------------------------------------------------------------
  37 // idle system
  38 //-----------------------------------------------------------------------------
  39
  40 extern void wxapp_install_idle_handler();
  41 extern bool g_isIdle;
  42
  43 //-----------------------------------------------------------------------------
  44 // data
  45 //-----------------------------------------------------------------------------
  46
  47 extern wxList wxPendingDelete;
  48
  49 //-----------------------------------------------------------------------------
  50 // debug
  51 //-----------------------------------------------------------------------------
  52
  53 #ifdef __WXDEBUG__
  54
  55 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  56
  57 #endif
  58
  59 //-----------------------------------------------------------------------------
  60 // "size_allocate"
  61 //-----------------------------------------------------------------------------
  62
  63 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  64 {
  65     if (g_isIdle) wxapp_install_idle_handler();
  66
  67     if (!win->HasVMT()) return;
  68
  69 /*
  70     printf( "OnFrameResize from " );
  71     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  72         printf( win->GetClassInfo()->GetClassName() );
  73     printf( ".\n" );
  74 */
  75
  76    if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
  77    {
  78        win->m_sizeSet = FALSE;
  79        win->m_width = alloc->width;
  80        win->m_height = alloc->height;
  81    }
  82 }
  83
  84 //-----------------------------------------------------------------------------
  85 // "delete_event"
  86 //-----------------------------------------------------------------------------
  87
  88 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  89 {
  90     if (g_isIdle) wxapp_install_idle_handler();
  91
  92 /*
  93     printf( "OnDelete from " );
  94     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  95         printf( win->GetClassInfo()->GetClassName() );
  96     printf( ".\n" );
  97 */
  98
  99     win->Close();
 100
 101     return TRUE;
 102 }
 103
 104 //-----------------------------------------------------------------------------
 105 // "child_attached" of menu bar
 106 //-----------------------------------------------------------------------------
 107
 108 static void gtk_menu_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 109 {
 110     if (g_isIdle) wxapp_install_idle_handler();
 111
 112     if (!win->HasVMT()) return;
 113
 114     win->m_menuBarDetached = FALSE;
 115     win->m_sizeSet = FALSE;
 116 }
 117
 118 //-----------------------------------------------------------------------------
 119 // "child_detached" of menu bar
 120 //-----------------------------------------------------------------------------
 121
 122 static void gtk_menu_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 123 {
 124     if (g_isIdle) wxapp_install_idle_handler();
 125
 126     if (!win->HasVMT()) return;
 127
 128     win->m_menuBarDetached = TRUE;
 129     win->m_sizeSet = FALSE;
 130 }
 131
 132 //-----------------------------------------------------------------------------
 133 // "child_attached" of tool bar
 134 //-----------------------------------------------------------------------------
 135
 136 static void gtk_toolbar_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 137 {
 138     if (g_isIdle) wxapp_install_idle_handler();
 139
 140     if (!win->HasVMT()) return;
 141
 142     win->m_toolBarDetached = FALSE;
 143     win->m_sizeSet = FALSE;
 144 }
 145
 146 //-----------------------------------------------------------------------------
 147 // "child_detached" of tool bar
 148 //-----------------------------------------------------------------------------
 149
 150 static void gtk_toolbar_detached_callback( GtkWidget *widget, GtkWidget *WXUNUSED(child), wxFrame *win )
 151 {
 152     if (g_isIdle) wxapp_install_idle_handler();
 153
 154     if (!win->HasVMT()) return;
 155
 156     win->m_toolBarDetached = TRUE;
 157     win->m_sizeSet = FALSE;
 158 }
 159
 160 //-----------------------------------------------------------------------------
 161 // "configure_event"
 162 //-----------------------------------------------------------------------------
 163
 164 static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
 165 {
 166     if (g_isIdle) wxapp_install_idle_handler();
 167
 168     if (!win->HasVMT()) return FALSE;
 169
 170     win->m_x = event->x;
 171     win->m_y = event->y;
 172
 173     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 174     mevent.SetEventObject( win );
 175     win->GetEventHandler()->ProcessEvent( mevent );
 176
 177     return FALSE;
 178 }
 179
 180 //-----------------------------------------------------------------------------
 181 // "realize" from m_widget
 182 //-----------------------------------------------------------------------------
 183
 184 /* we cannot MWM hints and icons before the widget has been realized,
 185    so we do this directly after realization */
 186
 187 static gint
 188 gtk_frame_realized_callback( GtkWidget *widget, wxFrame *win )
 189 {
 190     if (g_isIdle) wxapp_install_idle_handler();
 191
 192     /* all this is for Motif Window Manager "hints" and is supposed to be
 193        recognized by other WM as well. not tested. */
 194     long decor = (long) GDK_DECOR_ALL;
 195     long func = (long) GDK_FUNC_ALL;
 196
 197     if ((win->m_windowStyle & wxCAPTION) == 0)
 198         decor |= GDK_DECOR_TITLE;
 199     if ((win->m_windowStyle & wxSYSTEM_MENU) == 0)
 200         decor |= GDK_DECOR_MENU;
 201     if ((win->m_windowStyle & wxMINIMIZE_BOX) == 0)
 202     {
 203         func |= GDK_FUNC_MINIMIZE;
 204         decor |= GDK_DECOR_MINIMIZE;
 205     }
 206     if ((win->m_windowStyle & wxMAXIMIZE_BOX) == 0)
 207     {
 208         func |= GDK_FUNC_MAXIMIZE;
 209         decor |= GDK_DECOR_MAXIMIZE;
 210     }
 211     if ((win->m_windowStyle & wxRESIZE_BORDER) == 0)
 212         func |= GDK_FUNC_RESIZE;
 213
 214     gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor);
 215     gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func);
 216
 217     /* GTK's shrinking/growing policy */
 218     if ((win->m_windowStyle & wxRESIZE_BORDER) == 0)
 219         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 220     else
 221         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 222
 223     /* reset the icon */
 224     if (win->m_icon != wxNullIcon)
 225     {
 226         wxIcon icon( win->m_icon );
 227         win->m_icon = wxNullIcon;
 228         win->SetIcon( icon );
 229     }
 230
 231     /* we set the focus to the child that accepts the focus. this
 232        doesn't really have to be done in "realize" but why not? */
 233     wxNode *node = win->m_children.First();
 234     while (node)
 235     {
 236         wxWindow *child = (wxWindow*) node->Data();
 237         if (child->AcceptsFocus())
 238         {
 239             child->SetFocus();
 240             break;
 241         }
 242
 243         node = node->Next();
 244     }
 245
 246     return FALSE;
 247 }
 248
 249 //-----------------------------------------------------------------------------
 250 // InsertChild for wxFrame
 251 //-----------------------------------------------------------------------------
 252
 253 /* Callback for wxFrame. This very strange beast has to be used because
 254  * C++ has no virtual methods in a constructor. We have to emulate a
 255  * virtual function here as wxWindows requires different ways to insert
 256  * a child in container classes. */
 257
 258 static void wxInsertChildInFrame( wxWindow* parent, wxWindow* child )
 259 {
 260     if (wxIS_KIND_OF(child,wxToolBar) || wxIS_KIND_OF(child,wxMenuBar))
 261     {
 262         /* actually, menubars are never inserted here, but this
 263            may change one day */
 264
 265         /* these are outside the client area */
 266         wxFrame* frame = (wxFrame*) parent;
 267         gtk_myfixed_put( GTK_MYFIXED(frame->m_mainWidget),
 268                          GTK_WIDGET(child->m_widget),
 269                          child->m_x,
 270                          child->m_y,
 271                          child->m_width,
 272                          child->m_height );
 273
 274         /* we connect to these events for recalculating the client area
 275            space when the toolbar is floating */
 276         if (wxIS_KIND_OF(child,wxToolBar))
 277         {
 278             wxToolBar *toolBar = (wxToolBar*) child;
 279             if (toolBar->m_windowStyle & wxTB_DOCKABLE)
 280             {
 281                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_attached",
 282                     GTK_SIGNAL_FUNC(gtk_toolbar_attached_callback), (gpointer)parent );
 283
 284                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_detached",
 285                     GTK_SIGNAL_FUNC(gtk_toolbar_detached_callback), (gpointer)parent );
 286             }
 287         }
 288     }
 289     else
 290     {
 291         /* these are inside the client area */
 292         gtk_myfixed_put( GTK_MYFIXED(parent->m_wxwindow),
 293                          GTK_WIDGET(child->m_widget),
 294                          child->m_x,
 295                          child->m_y,
 296                          child->m_width,
 297                          child->m_height );
 298     }
 299
 300     /* resize on OnInternalIdle */
 301     parent->m_sizeSet = FALSE;
 302 }
 303
 304 //-----------------------------------------------------------------------------
 305 // wxFrame
 306 //-----------------------------------------------------------------------------
 307
 308 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
 309     EVT_SIZE(wxFrame::OnSize)
 310     EVT_CLOSE(wxFrame::OnCloseWindow)
 311     EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
 312 END_EVENT_TABLE()
 313
 314 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
 315
 316 wxFrame::wxFrame()
 317 {
 318     m_frameMenuBar = (wxMenuBar *) NULL;
 319     m_frameStatusBar = (wxStatusBar *) NULL;
 320     m_frameToolBar = (wxToolBar *) NULL;
 321     m_sizeSet = FALSE;
 322     m_miniEdge = 0;
 323     m_miniTitle = 0;
 324     m_mainWidget = (GtkWidget*) NULL;
 325     m_menuBarDetached = FALSE;
 326     m_toolBarDetached = FALSE;
 327     m_insertCallback = wxInsertChildInFrame;
 328 }
 329
 330 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 331       const wxPoint &pos, const wxSize &size,
 332       long style, const wxString &name )
 333 {
 334     m_frameMenuBar = (wxMenuBar *) NULL;
 335     m_frameStatusBar = (wxStatusBar *) NULL;
 336     m_frameToolBar = (wxToolBar *) NULL;
 337     m_sizeSet = FALSE;
 338     m_miniEdge = 0;
 339     m_miniTitle = 0;
 340     m_mainWidget = (GtkWidget*) NULL;
 341     m_menuBarDetached = FALSE;
 342     m_toolBarDetached = FALSE;
 343     m_insertCallback = wxInsertChildInFrame;
 344     Create( parent, id, title, pos, size, style, name );
 345 }
 346
 347 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 348       const wxPoint &pos, const wxSize &size,
 349       long style, const wxString &name )
 350 {
 351     wxTopLevelWindows.Append( this );
 352
 353     m_needParent = FALSE;
 354
 355     PreCreation( parent, id, pos, size, style, name );
 356
 357     m_title = title;
 358
 359     m_insertCallback = wxInsertChildInFrame;
 360
 361     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 362     if (style & wxSIMPLE_BORDER) win_type = GTK_WINDOW_POPUP;
 363
 364     m_widget = gtk_window_new( win_type );
 365
 366 #ifdef __WXDEBUG__
 367     debug_focus_in( m_widget, _T("wxFrame::m_widget"), name );
 368 #endif
 369
 370     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
 371     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 372
 373     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 374         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 375
 376     /* m_mainWidget holds the toolbar, the menubar and the client area */
 377     m_mainWidget = gtk_myfixed_new();
 378     gtk_widget_show( m_mainWidget );
 379     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 380     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 381
 382 #ifdef __WXDEBUG__
 383     debug_focus_in( m_mainWidget, _T("wxFrame::m_mainWidget"), name );
 384 #endif
 385
 386     /* m_wxwindow only represents the client area without toolbar and menubar */
 387     m_wxwindow = gtk_myfixed_new();
 388     gtk_widget_show( m_wxwindow );
 389     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 390
 391 #ifdef __WXDEBUG__
 392     debug_focus_in( m_wxwindow, _T("wxFrame::m_wxwindow"), name );
 393 #endif
 394
 395     /* we donm't allow the frame to get the focus as otherwise
 396        the frame will grabit at arbitrary fcous changes. */
 397     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 398
 399     if (m_parent) m_parent->AddChild( this );
 400
 401     PostCreation();
 402
 403     /*  we cannot set MWM hints and icons before the widget has
 404         been realized, so we do this directly after realization */
 405     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 406                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 407
 408     /* the user resized the frame by dragging etc. */
 409     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 410         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 411
 412     /* the only way to get the window size is to connect to this event */
 413     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 414         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 415
 416     return TRUE;
 417 }
 418
 419 wxFrame::~wxFrame()
 420 {
 421     if (m_frameMenuBar) delete m_frameMenuBar;
 422     m_frameMenuBar = (wxMenuBar *) NULL;
 423
 424     if (m_frameStatusBar) delete m_frameStatusBar;
 425     m_frameStatusBar = (wxStatusBar *) NULL;
 426
 427     if (m_frameToolBar) delete m_frameToolBar;
 428     m_frameToolBar = (wxToolBar *) NULL;
 429
 430     wxTopLevelWindows.DeleteObject( this );
 431
 432     if (wxTheApp->GetTopWindow() == this)
 433         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 434
 435     if (wxTopLevelWindows.Number() == 0)
 436         wxTheApp->ExitMainLoop();
 437 }
 438
 439 bool wxFrame::Show( bool show )
 440 {
 441     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 442
 443     if (show && !m_sizeSet)
 444     {
 445         /* by calling GtkOnSize here, we don't have to call
 446            either after showing the frame, which would entail
 447            much ugly flicker or from within the size_allocate
 448            handler, because GTK 1.1.X forbids that. */
 449
 450         GtkOnSize( m_x, m_y, m_width, m_height );
 451     }
 452
 453     return wxWindow::Show( show );
 454 }
 455
 456 bool wxFrame::Destroy()
 457 {
 458     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 459
 460     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 461
 462     return TRUE;
 463 }
 464
 465 void wxFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 466 {
 467     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 468
 469     /* this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow */
 470     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 471
 472     /* avoid recursions */
 473     if (m_resizing) return;
 474     m_resizing = TRUE;
 475
 476     int old_x = m_x;
 477     int old_y = m_y;
 478     int old_width = m_width;
 479     int old_height = m_height;
 480
 481     if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
 482     {
 483         if (x != -1) m_x = x;
 484         if (y != -1) m_y = y;
 485         if (width != -1) m_width = width;
 486         if (height != -1) m_height = height;
 487     }
 488     else
 489     {
 490         m_x = x;
 491         m_y = y;
 492         m_width = width;
 493         m_height = height;
 494     }
 495
 496     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 497     {
 498         if (width == -1) m_width = 80;
 499     }
 500
 501     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 502     {
 503        if (height == -1) m_height = 26;
 504     }
 505
 506     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 507     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 508     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 509     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 510
 511     if ((m_x != -1) || (m_y != -1))
 512     {
 513         if ((m_x != old_x) || (m_y != old_y))
 514         {
 515             /* we set the size here and in gtk_frame_map_callback */
 516             gtk_widget_set_uposition( m_widget, m_x, m_y );
 517         }
 518     }
 519
 520     if ((m_width != old_width) || (m_height != old_height))
 521     {
 522         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 523            done either directly before the frame is shown or in idle time
 524            so that different calls to SetSize() don't lead to flicker. */
 525         m_sizeSet = FALSE;
 526     }
 527
 528     m_resizing = FALSE;
 529 }
 530
 531 void wxFrame::Centre( int direction )
 532 {
 533     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 534
 535     int x = 0;
 536     int y = 0;
 537
 538     if ((direction & wxHORIZONTAL) == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
 539     if ((direction & wxVERTICAL) == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
 540
 541     Move( x, y );
 542 }
 543
 544 void wxFrame::GetClientSize( int *width, int *height ) const
 545 {
 546     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 547
 548     wxWindow::GetClientSize( width, height );
 549     if (height)
 550     {
 551         /* menu bar */
 552         if (m_frameMenuBar)
 553         {
 554             if (!m_menuBarDetached)
 555                 (*height) -= wxMENU_HEIGHT;
 556             else
 557                 (*height) -= wxPLACE_HOLDER;
 558         }
 559
 560         /* status bar */
 561         if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 562
 563         /* tool bar */
 564         if (m_frameToolBar)
 565         {
 566             if (!m_toolBarDetached)
 567             {
 568                 int y = 0;
 569                 m_frameToolBar->GetSize( (int *) NULL, &y );
 570                 (*height) -= y;
 571             }
 572             else
 573                 (*height) -= wxPLACE_HOLDER;
 574         }
 575
 576         /* mini edge */
 577         (*height) -= m_miniEdge*2 + m_miniTitle;
 578     }
 579     if (width)
 580     {
 581         (*width) -= m_miniEdge*2;
 582     }
 583 }
 584
 585 void wxFrame::DoSetClientSize( int width, int height )
 586 {
 587     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 588
 589         /* menu bar */
 590         if (m_frameMenuBar)
 591         {
 592             if (!m_menuBarDetached)
 593                 height += wxMENU_HEIGHT;
 594             else
 595                 height += wxPLACE_HOLDER;
 596         }
 597
 598         /* status bar */
 599         if (m_frameStatusBar) height += wxSTATUS_HEIGHT;
 600
 601         /* tool bar */
 602         if (m_frameToolBar)
 603         {
 604             if (!m_toolBarDetached)
 605             {
 606                 int y = 0;
 607                 m_frameToolBar->GetSize( (int *) NULL, &y );
 608                 height += y;
 609             }
 610             else
 611                 height += wxPLACE_HOLDER;
 612         }
 613
 614     wxWindow::DoSetClientSize( width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle );
 615 }
 616
 617 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 618 {
 619     // due to a bug in gtk, x,y are always 0
 620     // m_x = x;
 621     // m_y = y;
 622
 623     /* avoid recursions */
 624     if (m_resizing) return;
 625     m_resizing = TRUE;
 626
 627     /* this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow */
 628     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 629
 630     m_width = width;
 631     m_height = height;
 632
 633     /* space occupied by m_frameToolBar and m_frameMenuBar */
 634     int client_area_y_offset = 0;
 635
 636     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 637        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 638        set in wxFrame::Create so it is used to check what kind of frame we
 639        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 640        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 641        importantly) m_mainWidget */
 642
 643     if (m_mainWidget)
 644     {
 645         /* check if size is in legal range */
 646         if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 647         if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 648         if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 649         if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 650
 651         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
 652          * menubar, the toolbar and the client area, which is represented by
 653          * m_wxwindow.
 654          * this hurts in the eye, but I don't want to call SetSize()
 655          * because I don't want to call any non-native functions here. */
 656
 657         if (m_frameMenuBar)
 658         {
 659             int xx = m_miniEdge;
 660             int yy = m_miniEdge + m_miniTitle;
 661             int ww = m_width  - 2*m_miniEdge;
 662             int hh = wxMENU_HEIGHT;
 663             if (m_menuBarDetached) hh = wxPLACE_HOLDER;
 664             m_frameMenuBar->m_x = xx;
 665             m_frameMenuBar->m_y = yy;
 666             m_frameMenuBar->m_width = ww;
 667             m_frameMenuBar->m_height = hh;
 668             gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget),
 669                                   m_frameMenuBar->m_widget,
 670                                   xx, yy, ww, hh );
 671             client_area_y_offset += hh;
 672         }
 673
 674         if (m_frameToolBar)
 675         {
 676             int xx = m_miniEdge;
 677             int yy = m_miniEdge + m_miniTitle;
 678             if (m_frameMenuBar)
 679             {
 680                 if (!m_menuBarDetached)
 681                     yy += wxMENU_HEIGHT;
 682                 else
 683                     yy += wxPLACE_HOLDER;
 684             }
 685             int ww = m_width - 2*m_miniEdge;
 686             int hh = m_frameToolBar->m_height;
 687             if (m_toolBarDetached) hh = wxPLACE_HOLDER;
 688             m_frameToolBar->m_x = xx;
 689             m_frameToolBar->m_y = yy;
 690             /* m_frameToolBar->m_height = hh;   don't change the toolbar's height */
 691             m_frameToolBar->m_width = ww;
 692             gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget),
 693                                   m_frameToolBar->m_widget,
 694                                   xx, yy, ww, hh );
 695             client_area_y_offset += hh;
 696         }
 697
 698         int client_x = m_miniEdge;
 699         int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
 700         int client_w = m_width - 2*m_miniEdge;
 701         int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
 702         gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget),
 703                               m_wxwindow,
 704                               client_x, client_y, client_w, client_h );
 705     }
 706     else
 707     {
 708         /* if there is no m_mainWidget between m_widget and m_wxwindow there
 709            is no need to set the size or position of m_wxwindow. */
 710     }
 711
 712     if (m_frameStatusBar)
 713     {
 714         int xx = 0 + m_miniEdge;
 715         int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
 716         int ww = m_width - 2*m_miniEdge;
 717         int hh = wxSTATUS_HEIGHT;
 718         m_frameStatusBar->m_x = xx;
 719         m_frameStatusBar->m_y = yy;
 720         m_frameStatusBar->m_width = ww;
 721         m_frameStatusBar->m_height = hh;
 722         gtk_myfixed_set_size( GTK_MYFIXED(m_wxwindow),
 723                               m_frameStatusBar->m_widget,
 724                               xx, yy, ww, hh );
 725     }
 726
 727     /* we actually set the size of a frame here and no-where else */
 728     gtk_widget_set_usize( m_widget, m_width, m_height );
 729
 730     m_sizeSet = TRUE;
 731
 732     /* send size event to frame */
 733     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 734     event.SetEventObject( this );
 735     GetEventHandler()->ProcessEvent( event );
 736
 737     /* send size event to status bar */
 738     if (m_frameStatusBar)
 739     {
 740         wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
 741         event2.SetEventObject( m_frameStatusBar );
 742         m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
 743     }
 744
 745     m_resizing = FALSE;
 746 }
 747
 748 void wxFrame::OnInternalIdle()
 749 {
 750     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 751         GtkOnSize( m_x, m_y, m_width, m_height );
 752
 753     DoMenuUpdates();
 754 }
 755
 756 void wxFrame::OnCloseWindow( wxCloseEvent& event )
 757 {
 758     Destroy();
 759 }
 760
 761 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 762 {
 763     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 764
 765     if (GetAutoLayout())
 766     {
 767         Layout();
 768     }
 769     else
 770     {
 771         /* do we have exactly one child? */
 772         wxWindow *child = (wxWindow *)NULL;
 773         for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 774         {
 775             wxWindow *win = (wxWindow *)node->Data();
 776             if ( !wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog) )
 777             {
 778                 if (child)
 779                 {
 780                     /* it's the second one: do nothing */
 781                     return;
 782                 }
 783
 784                 child = win;
 785             }
 786         }
 787
 788         /* no children at all? */
 789         if (child)
 790         {
 791             /* yes: set it's size to fill all the frame */
 792             int client_x, client_y;
 793             GetClientSize( &client_x, &client_y );
 794             child->SetSize( 1, 1, client_x-2, client_y-2 );
 795         }
 796     }
 797 }
 798
 799 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 800 {
 801     menu->SetInvokingWindow( win );
 802
 803 #if (GTK_MINOR_VERSION > 0)
 804     /* support for native hot keys  */
 805     gtk_accel_group_attach( menu->m_accel, GTK_OBJECT(win->m_widget));
 806 #endif
 807
 808     wxNode *node = menu->GetItems().First();
 809     while (node)
 810     {
 811         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 812         if (menuitem->IsSubMenu())
 813             SetInvokingWindow( menuitem->GetSubMenu(), win );
 814         node = node->Next();
 815     }
 816 }
 817
 818 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 819 {
 820     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 821     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 822
 823     m_frameMenuBar = menuBar;
 824
 825     if (m_frameMenuBar)
 826     {
 827 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 828         /* support for native key accelerators indicated by underscroes */
 829          gtk_accel_group_attach( m_frameMenuBar->m_accel, GTK_OBJECT(m_widget));
 830 #endif
 831
 832         wxNode *node = m_frameMenuBar->GetMenus().First();
 833         while (node)
 834         {
 835             wxMenu *menu = (wxMenu*)node->Data();
 836             SetInvokingWindow( menu, this );
 837             node = node->Next();
 838         }
 839
 840         if (m_frameMenuBar->m_parent != this)
 841         {
 842             m_frameMenuBar->m_parent = this;
 843             gtk_myfixed_put( GTK_MYFIXED(m_mainWidget),
 844                 m_frameMenuBar->m_widget,
 845                 m_frameMenuBar->m_x,
 846                 m_frameMenuBar->m_y,
 847                 m_frameMenuBar->m_width,
 848                 m_frameMenuBar->m_height );
 849
 850             if (menuBar->m_windowStyle & wxMB_DOCKABLE)
 851             {
 852                 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_attached",
 853                     GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
 854
 855                 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
 856                     GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
 857             }
 858         }
 859     }
 860
 861     /* resize window in OnInternalIdle */
 862     m_sizeSet = FALSE;
 863 }
 864
 865 wxMenuBar *wxFrame::GetMenuBar() const
 866 {
 867     return m_frameMenuBar;
 868 }
 869
 870 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 871 {
 872     if (GetStatusBar())
 873     {
 874         // if no help string found, we will clear the status bar text
 875         wxString helpString;
 876
 877         int menuId = event.GetMenuId();
 878         if ( menuId != -1 )
 879         {
 880             wxMenuBar *menuBar = GetMenuBar();
 881             if (menuBar)
 882             {
 883                 helpString = menuBar->GetHelpString(menuId);
 884             }
 885         }
 886
 887         SetStatusText(helpString);
 888     }
 889 }
 890
 891 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 892 {
 893     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 894
 895     wxCHECK_MSG( m_frameToolBar == NULL, FALSE, _T("recreating toolbar in wxFrame") );
 896
 897     m_frameToolBar = OnCreateToolBar( style, id, name );
 898
 899     GetChildren().DeleteObject( m_frameToolBar );
 900
 901     m_sizeSet = FALSE;
 902
 903     return m_frameToolBar;
 904 }
 905
 906 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 907 {
 908     return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 909 }
 910
 911 wxToolBar *wxFrame::GetToolBar() const
 912 {
 913     return m_frameToolBar;
 914 }
 915
 916 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 917 {
 918     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 919
 920     wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, _T("recreating status bar in wxFrame") );
 921
 922     m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 923
 924     m_sizeSet = FALSE;
 925
 926     return m_frameStatusBar;
 927 }
 928
 929 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 930 {
 931     wxStatusBar *statusBar = (wxStatusBar *) NULL;
 932
 933     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 934
 935     // Set the height according to the font and the border size
 936     wxClientDC dc(statusBar);
 937     dc.SetFont( statusBar->GetFont() );
 938
 939     long x, y;
 940     dc.GetTextExtent( "X", &x, &y );
 941
 942     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 943
 944     statusBar->SetSize( -1, -1, 100, height );
 945
 946     statusBar->SetFieldsCount( number );
 947     return statusBar;
 948 }
 949
 950 void wxFrame::Command( int id )
 951 {
 952     wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 953     commandEvent.SetInt( id );
 954     commandEvent.SetEventObject( this );
 955
 956     wxMenuBar *bar = GetMenuBar();
 957     if (!bar) return;
 958
 959     wxMenuItem *item = bar->FindItemForId(id) ;
 960     if (item && item->IsCheckable())
 961     {
 962         bar->Check(id,!bar->Checked(id)) ;
 963     }
 964
 965     wxEvtHandler* evtHandler = GetEventHandler();
 966
 967     evtHandler->ProcessEvent(commandEvent);
 968 }
 969
 970 void wxFrame::SetStatusText(const wxString& text, int number)
 971 {
 972     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 973
 974     wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set text for") );
 975
 976     m_frameStatusBar->SetStatusText(text, number);
 977 }
 978
 979 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 980 {
 981     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 982
 983     wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set widths for") );
 984
 985     m_frameStatusBar->SetStatusWidths(n, widths_field);
 986 }
 987
 988 wxStatusBar *wxFrame::GetStatusBar() const
 989 {
 990     return m_frameStatusBar;
 991 }
 992
 993 void wxFrame::SetTitle( const wxString &title )
 994 {
 995     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 996
 997     m_title = title;
 998     if (m_title.IsNull()) m_title = _T("");
 999     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
1000 }
1001
1002 void wxFrame::SetIcon( const wxIcon &icon )
1003 {
1004     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
1005
1006     m_icon = icon;
1007     if (!icon.Ok()) return;
1008
1009     if (!m_widget->window) return;
1010
1011     wxMask *mask = icon.GetMask();
1012     GdkBitmap *bm = (GdkBitmap *) NULL;
1013     if (mask) bm = mask->GetBitmap();
1014
1015     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
1016 }
1017