src/gtk/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
 272         /* we connect to these events for recalculating the client area
 273            space when the toolbar is floating */
 274         if (wxIS_KIND_OF(child,wxToolBar))
 275         {
 276             wxToolBar *toolBar = (wxToolBar*) child;
 277             if (toolBar->m_windowStyle & wxTB_DOCKABLE)
 278             {
 279                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_attached",
 280                     GTK_SIGNAL_FUNC(gtk_toolbar_attached_callback), (gpointer)parent );
 281
 282                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_detached",
 283                     GTK_SIGNAL_FUNC(gtk_toolbar_detached_callback), (gpointer)parent );
 284             }
 285         }
 286     }
 287     else
 288     {
 289         /* these are inside the client area */
 290         gtk_myfixed_put( GTK_MYFIXED(parent->m_wxwindow),
 291                          GTK_WIDGET(child->m_widget),
 292                          child->m_x,
 293                          child->m_y );
 294     }
 295
 296     gtk_widget_set_usize( GTK_WIDGET(child->m_widget),
 297                           child->m_width,
 298                           child->m_height );
 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
 669             gtk_myfixed_move( GTK_MYFIXED(m_mainWidget), m_frameMenuBar->m_widget, xx, yy );
 670
 671 //          m_frameMenuBar->m_widget->requisition.width = ww;
 672 //          m_frameMenuBar->m_widget->requisition.height = hh;
 673             gtk_widget_set_usize( m_frameMenuBar->m_widget, ww, hh );
 674
 675             client_area_y_offset += hh;
 676         }
 677
 678         if (m_frameToolBar)
 679         {
 680             int xx = m_miniEdge;
 681             int yy = m_miniEdge + m_miniTitle;
 682             if (m_frameMenuBar)
 683             {
 684                 if (!m_menuBarDetached)
 685                     yy += wxMENU_HEIGHT;
 686                 else
 687                     yy += wxPLACE_HOLDER;
 688             }
 689             int ww = m_width - 2*m_miniEdge;
 690             int hh = m_frameToolBar->m_height;
 691             if (m_toolBarDetached) hh = wxPLACE_HOLDER;
 692             m_frameToolBar->m_x = xx;
 693             m_frameToolBar->m_y = yy;
 694             /* m_frameToolBar->m_height = hh;   don't change the toolbar's height */
 695             m_frameToolBar->m_width = ww;
 696
 697             gtk_myfixed_move( GTK_MYFIXED(m_mainWidget), m_frameToolBar->m_widget, xx, yy );
 698
 699             gtk_widget_set_usize( m_frameToolBar->m_widget, ww, hh );
 700
 701             client_area_y_offset += hh;
 702         }
 703
 704         int client_x = m_miniEdge;
 705         int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
 706         gtk_myfixed_move( GTK_MYFIXED(m_mainWidget), m_wxwindow, client_x, client_y );
 707
 708         int client_w = m_width - 2*m_miniEdge;
 709         int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
 710         gtk_widget_set_usize( m_wxwindow, client_w, client_h );
 711         GtkAllocation alloc;
 712         alloc.x = client_x; alloc.y = client_y; alloc.width = client_w; alloc.height = client_h;
 713         gtk_widget_size_allocate( m_wxwindow, &alloc );
 714     }
 715     else
 716     {
 717         /* if there is no m_mainWidget between m_widget and m_wxwindow there
 718            is no need to set the size or position of m_wxwindow. */
 719     }
 720
 721     if (m_frameStatusBar)
 722     {
 723         int xx = 0 + m_miniEdge;
 724         int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
 725         int ww = m_width - 2*m_miniEdge;
 726         int hh = wxSTATUS_HEIGHT;
 727
 728         m_frameStatusBar->m_x = xx;
 729         m_frameStatusBar->m_y = yy;
 730         m_frameStatusBar->m_width = ww;
 731         m_frameStatusBar->m_height = hh;
 732
 733         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameStatusBar->m_widget, xx, yy );
 734
 735 //      m_frameStatusBar->m_widget->requisition.width = ww;
 736 //      m_frameStatusBar->m_widget->requisition.height = hh;
 737         gtk_widget_set_usize( m_frameStatusBar->m_widget, ww, hh );
 738     }
 739
 740     /* we actually set the size of a frame here and no-where else */
 741     gtk_widget_set_usize( m_widget, m_width, m_height );
 742
 743     m_sizeSet = TRUE;
 744
 745     /* send size event to frame */
 746     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 747     event.SetEventObject( this );
 748     GetEventHandler()->ProcessEvent( event );
 749
 750     /* send size event to status bar */
 751     if (m_frameStatusBar)
 752     {
 753         wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
 754         event2.SetEventObject( m_frameStatusBar );
 755         m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
 756     }
 757
 758     m_resizing = FALSE;
 759 }
 760
 761 void wxFrame::OnInternalIdle()
 762 {
 763     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 764         GtkOnSize( m_x, m_y, m_width, m_height );
 765
 766     DoMenuUpdates();
 767 }
 768
 769 void wxFrame::OnCloseWindow( wxCloseEvent& event )
 770 {
 771     Destroy();
 772 }
 773
 774 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 775 {
 776     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 777
 778     if (GetAutoLayout())
 779     {
 780         Layout();
 781     }
 782     else
 783     {
 784         /* do we have exactly one child? */
 785         wxWindow *child = (wxWindow *)NULL;
 786         for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 787         {
 788             wxWindow *win = (wxWindow *)node->Data();
 789             if ( !wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog) )
 790             {
 791                 if (child)
 792                 {
 793                     /* it's the second one: do nothing */
 794                     return;
 795                 }
 796
 797                 child = win;
 798             }
 799         }
 800
 801         /* no children at all? */
 802         if (child)
 803         {
 804             /* yes: set it's size to fill all the frame */
 805             int client_x, client_y;
 806             GetClientSize( &client_x, &client_y );
 807             child->SetSize( 1, 1, client_x-2, client_y-2 );
 808         }
 809     }
 810 }
 811
 812 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 813 {
 814     menu->SetInvokingWindow( win );
 815
 816 #if (GTK_MINOR_VERSION > 0)
 817     /* support for native hot keys  */
 818     gtk_accel_group_attach( menu->m_accel, GTK_OBJECT(win->m_widget));
 819 #endif
 820
 821     wxNode *node = menu->GetItems().First();
 822     while (node)
 823     {
 824         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 825         if (menuitem->IsSubMenu())
 826             SetInvokingWindow( menuitem->GetSubMenu(), win );
 827         node = node->Next();
 828     }
 829 }
 830
 831 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 832 {
 833     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 834     wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid frame") );
 835
 836     m_frameMenuBar = menuBar;
 837
 838     if (m_frameMenuBar)
 839     {
 840 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 841         /* support for native key accelerators indicated by underscroes */
 842          gtk_accel_group_attach( m_frameMenuBar->m_accel, GTK_OBJECT(m_widget));
 843 #endif
 844
 845         wxNode *node = m_frameMenuBar->GetMenus().First();
 846         while (node)
 847         {
 848             wxMenu *menu = (wxMenu*)node->Data();
 849             SetInvokingWindow( menu, this );
 850             node = node->Next();
 851         }
 852
 853         if (m_frameMenuBar->m_parent != this)
 854         {
 855             m_frameMenuBar->m_parent = this;
 856             gtk_myfixed_put( GTK_MYFIXED(m_mainWidget),
 857                 m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 858
 859             if (menuBar->m_windowStyle & wxMB_DOCKABLE)
 860             {
 861                 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_attached",
 862                     GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
 863
 864                 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
 865                     GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
 866             }
 867         }
 868     }
 869
 870     /* resize window in OnInternalIdle */
 871     m_sizeSet = FALSE;
 872 }
 873
 874 wxMenuBar *wxFrame::GetMenuBar() const
 875 {
 876     return m_frameMenuBar;
 877 }
 878
 879 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 880 {
 881     if (GetStatusBar())
 882     {
 883         // if no help string found, we will clear the status bar text
 884         wxString helpString;
 885
 886         int menuId = event.GetMenuId();
 887         if ( menuId != -1 )
 888         {
 889             wxMenuBar *menuBar = GetMenuBar();
 890             if (menuBar)
 891             {
 892                 helpString = menuBar->GetHelpString(menuId);
 893             }
 894         }
 895
 896         SetStatusText(helpString);
 897     }
 898 }
 899
 900 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 901 {
 902     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 903
 904     wxCHECK_MSG( m_frameToolBar == NULL, FALSE, _T("recreating toolbar in wxFrame") );
 905
 906     m_frameToolBar = OnCreateToolBar( style, id, name );
 907
 908     GetChildren().DeleteObject( m_frameToolBar );
 909
 910     m_sizeSet = FALSE;
 911
 912     return m_frameToolBar;
 913 }
 914
 915 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 916 {
 917     return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 918 }
 919
 920 wxToolBar *wxFrame::GetToolBar() const
 921 {
 922     return m_frameToolBar;
 923 }
 924
 925 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 926 {
 927     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 928
 929     wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, _T("recreating status bar in wxFrame") );
 930
 931     m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 932
 933     m_sizeSet = FALSE;
 934
 935     return m_frameStatusBar;
 936 }
 937
 938 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 939 {
 940     wxStatusBar *statusBar = (wxStatusBar *) NULL;
 941
 942     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 943
 944     // Set the height according to the font and the border size
 945     wxClientDC dc(statusBar);
 946     dc.SetFont( statusBar->GetFont() );
 947
 948     long x, y;
 949     dc.GetTextExtent( "X", &x, &y );
 950
 951     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 952
 953     statusBar->SetSize( -1, -1, 100, height );
 954
 955     statusBar->SetFieldsCount( number );
 956     return statusBar;
 957 }
 958
 959 void wxFrame::Command( int id )
 960 {
 961     wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 962     commandEvent.SetInt( id );
 963     commandEvent.SetEventObject( this );
 964
 965     wxMenuBar *bar = GetMenuBar();
 966     if (!bar) return;
 967
 968     wxMenuItem *item = bar->FindItemForId(id) ;
 969     if (item && item->IsCheckable())
 970     {
 971         bar->Check(id,!bar->Checked(id)) ;
 972     }
 973
 974     wxEvtHandler* evtHandler = GetEventHandler();
 975
 976     evtHandler->ProcessEvent(commandEvent);
 977 }
 978
 979 void wxFrame::SetStatusText(const wxString& text, int number)
 980 {
 981     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 982
 983     wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set text for") );
 984
 985     m_frameStatusBar->SetStatusText(text, number);
 986 }
 987
 988 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 989 {
 990     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
 991
 992     wxCHECK_RET( m_frameStatusBar != NULL, _T("no statusbar to set widths for") );
 993
 994     m_frameStatusBar->SetStatusWidths(n, widths_field);
 995 }
 996
 997 wxStatusBar *wxFrame::GetStatusBar() const
 998 {
 999     return m_frameStatusBar;
1000 }
1001
1002 void wxFrame::SetTitle( const wxString &title )
1003 {
1004     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
1005
1006     m_title = title;
1007     if (m_title.IsNull()) m_title = _T("");
1008     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
1009 }
1010
1011 void wxFrame::SetIcon( const wxIcon &icon )
1012 {
1013     wxASSERT_MSG( (m_widget != NULL), _T("invalid frame") );
1014
1015     m_icon = icon;
1016     if (!icon.Ok()) return;
1017
1018     if (!m_widget->window) return;
1019
1020     wxMask *mask = icon.GetMask();
1021     GdkBitmap *bm = (GdkBitmap *) NULL;
1022     if (mask) bm = mask->GetBitmap();
1023
1024     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
1025 }
1026