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 // ============================================================================
  11 // declarations
  12 // ============================================================================
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 #ifdef __GNUG__
  19     #pragma implementation "frame.h"
  20 #endif
  21
  22 #ifdef __VMS
  23 #define XIconifyWindow XICONIFYWINDOW
  24 #endif
  25
  26 #include "wx/frame.h"
  27 #include "wx/dialog.h"
  28 #include "wx/control.h"
  29 #include "wx/app.h"
  30 #include "wx/menu.h"
  31 #if wxUSE_TOOLBAR
  32     #include "wx/toolbar.h"
  33 #endif
  34 #if wxUSE_STATUSBAR
  35     #include "wx/statusbr.h"
  36 #endif
  37 #include "wx/dcclient.h"
  38
  39 #include <glib.h>
  40 #include <gdk/gdk.h>
  41 #include <gtk/gtk.h>
  42 #include <gdk/gdkkeysyms.h>
  43 #include <gdk/gdkx.h>
  44
  45 #include "wx/gtk/win_gtk.h"
  46
  47 // ----------------------------------------------------------------------------
  48 // constants
  49 // ----------------------------------------------------------------------------
  50
  51 const int wxMENU_HEIGHT    = 27;
  52 const int wxSTATUS_HEIGHT  = 25;
  53 const int wxPLACE_HOLDER   = 0;
  54
  55 // ----------------------------------------------------------------------------
  56 // idle system
  57 // ----------------------------------------------------------------------------
  58
  59 extern void wxapp_install_idle_handler();
  60 extern bool g_isIdle;
  61 extern int g_openDialogs;
  62
  63 // ----------------------------------------------------------------------------
  64 // event tables
  65 // ----------------------------------------------------------------------------
  66
  67 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
  68
  69 // ----------------------------------------------------------------------------
  70 // data
  71 // ----------------------------------------------------------------------------
  72
  73 extern wxList wxPendingDelete;
  74
  75 // ----------------------------------------------------------------------------
  76 // debug
  77 // ----------------------------------------------------------------------------
  78
  79 #ifdef __WXDEBUG__
  80
  81 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  82
  83 #endif
  84
  85 // ============================================================================
  86 // implementation
  87 // ============================================================================
  88
  89 // ----------------------------------------------------------------------------
  90 // GTK callbacks
  91 // ----------------------------------------------------------------------------
  92
  93 //-----------------------------------------------------------------------------
  94 // "focus" from m_window
  95 //-----------------------------------------------------------------------------
  96
  97 static gint gtk_frame_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
  98 {
  99     if (g_isIdle)
 100         wxapp_install_idle_handler();
 101
 102     // This disables GTK's tab traversal
 103     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
 104     return TRUE;
 105 }
 106
 107 //-----------------------------------------------------------------------------
 108 // "size_allocate"
 109 //-----------------------------------------------------------------------------
 110
 111 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
 112 {
 113     if (g_isIdle)
 114         wxapp_install_idle_handler();
 115
 116     if (!win->m_hasVMT)
 117         return;
 118
 119     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
 120     {
 121 /*
 122         wxPrintf( "OnSize from " );
 123         if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
 124            wxPrintf( win->GetClassInfo()->GetClassName() );
 125         wxPrintf( " %d %d %d %d\n", (int)alloc->x,
 126                                 (int)alloc->y,
 127                                 (int)alloc->width,
 128                                 (int)alloc->height );
 129 */
 130
 131         win->m_width = alloc->width;
 132         win->m_height = alloc->height;
 133         win->m_queuedFullRedraw = TRUE;
 134         win->GtkUpdateSize();
 135     }
 136 }
 137
 138 //-----------------------------------------------------------------------------
 139 // "delete_event"
 140 //-----------------------------------------------------------------------------
 141
 142 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
 143 {
 144     if (g_isIdle)
 145         wxapp_install_idle_handler();
 146
 147     if ((g_openDialogs == 0) && (win->IsEnabled()))
 148         win->Close();
 149
 150     return TRUE;
 151 }
 152
 153 //-----------------------------------------------------------------------------
 154 // "child_attached" of menu bar
 155 //-----------------------------------------------------------------------------
 156
 157 static void gtk_menu_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 158 {
 159     if (!win->m_hasVMT) return;
 160
 161     win->m_menuBarDetached = FALSE;
 162     win->GtkUpdateSize();
 163 }
 164
 165 //-----------------------------------------------------------------------------
 166 // "child_detached" of menu bar
 167 //-----------------------------------------------------------------------------
 168
 169 static void gtk_menu_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 170 {
 171     if (!win->m_hasVMT) return;
 172
 173     win->m_menuBarDetached = TRUE;
 174     win->GtkUpdateSize();
 175 }
 176
 177 #if wxUSE_TOOLBAR
 178 //-----------------------------------------------------------------------------
 179 // "child_attached" of tool bar
 180 //-----------------------------------------------------------------------------
 181
 182 static void gtk_toolbar_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 183 {
 184     if (!win->m_hasVMT) return;
 185
 186     win->m_toolBarDetached = FALSE;
 187
 188     win->GtkUpdateSize();
 189 }
 190
 191 //-----------------------------------------------------------------------------
 192 // "child_detached" of tool bar
 193 //-----------------------------------------------------------------------------
 194
 195 static void gtk_toolbar_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 196 {
 197     if (g_isIdle)
 198         wxapp_install_idle_handler();
 199
 200     if (!win->m_hasVMT) return;
 201
 202     win->m_toolBarDetached = TRUE;
 203     win->GtkUpdateSize();
 204 }
 205 #endif // wxUSE_TOOLBAR
 206
 207 //-----------------------------------------------------------------------------
 208 // "configure_event"
 209 //-----------------------------------------------------------------------------
 210
 211 static gint
 212 #if (GTK_MINOR_VERSION > 0)
 213 gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxFrame *win )
 214 #else
 215 gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
 216 #endif
 217 {
 218     if (g_isIdle)
 219         wxapp_install_idle_handler();
 220
 221     if (!win->m_hasVMT)
 222         return FALSE;
 223
 224 #if (GTK_MINOR_VERSION > 0)
 225     int x = 0;
 226     int y = 0;
 227     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 228     win->m_x = x;
 229     win->m_y = y;
 230 #else
 231     win->m_x = event->x;
 232     win->m_y = event->y;
 233 #endif
 234
 235     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 236     mevent.SetEventObject( win );
 237     win->GetEventHandler()->ProcessEvent( mevent );
 238
 239     return FALSE;
 240 }
 241
 242 //-----------------------------------------------------------------------------
 243 // "realize" from m_widget
 244 //-----------------------------------------------------------------------------
 245
 246 /* we cannot MWM hints and icons before the widget has been realized,
 247    so we do this directly after realization */
 248
 249 static gint
 250 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget), wxFrame *win )
 251 {
 252     if (g_isIdle)
 253         wxapp_install_idle_handler();
 254
 255     if ((win->m_miniEdge > 0) || (win->HasFlag(wxSIMPLE_BORDER)) || (win->HasFlag(wxNO_BORDER)))
 256     {
 257         /* This is a mini-frame or a borderless frame. */
 258         gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)0 );
 259         gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)0 );
 260     }
 261     else
 262     {
 263         /* All this is for Motif Window Manager "hints" and is supposed to be
 264            recognized by other WM as well. Not tested. */
 265         long decor = (long) GDK_DECOR_BORDER;
 266         long func = (long) GDK_FUNC_MOVE;
 267
 268         if ((win->GetWindowStyle() & wxCAPTION) != 0)
 269             decor |= GDK_DECOR_TITLE;
 270         if ((win->GetWindowStyle() & wxSYSTEM_MENU) != 0)
 271         {
 272             decor |= GDK_DECOR_MENU;
 273             func |= GDK_FUNC_CLOSE;
 274         }
 275         if ((win->GetWindowStyle() & wxMINIMIZE_BOX) != 0)
 276         {
 277             func |= GDK_FUNC_MINIMIZE;
 278             decor |= GDK_DECOR_MINIMIZE;
 279         }
 280         if ((win->GetWindowStyle() & wxMAXIMIZE_BOX) != 0)
 281         {
 282             func |= GDK_FUNC_MAXIMIZE;
 283             decor |= GDK_DECOR_MAXIMIZE;
 284         }
 285         if ((win->GetWindowStyle() & wxRESIZE_BORDER) != 0)
 286         {
 287            func |= GDK_FUNC_RESIZE;
 288            decor |= GDK_DECOR_RESIZEH;
 289         }
 290
 291         gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor);
 292         gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func);
 293     }
 294
 295     /* GTK's shrinking/growing policy */
 296     if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0)
 297         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 298     else
 299         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 300
 301     /* reset the icon */
 302     wxIcon iconOld = win->GetIcon();
 303     if ( iconOld != wxNullIcon )
 304     {
 305         wxIcon icon( iconOld );
 306         win->SetIcon( wxNullIcon );
 307         win->SetIcon( icon );
 308     }
 309
 310     /* we set the focus to the child that accepts the focus. this
 311        doesn't really have to be done in "realize" but why not? */
 312     wxWindowList::Node *node = win->GetChildren().GetFirst();
 313     while (node)
 314     {
 315         wxWindow *child = node->GetData();
 316         if (child->AcceptsFocus())
 317         {
 318             child->SetFocus();
 319             break;
 320         }
 321
 322         node = node->GetNext();
 323     }
 324
 325     return FALSE;
 326 }
 327
 328 // ----------------------------------------------------------------------------
 329 // wxFrame itself
 330 // ----------------------------------------------------------------------------
 331
 332 //-----------------------------------------------------------------------------
 333 // InsertChild for wxFrame
 334 //-----------------------------------------------------------------------------
 335
 336 /* Callback for wxFrame. This very strange beast has to be used because
 337  * C++ has no virtual methods in a constructor. We have to emulate a
 338  * virtual function here as wxWindows requires different ways to insert
 339  * a child in container classes. */
 340
 341 static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
 342 {
 343     wxASSERT( GTK_IS_WIDGET(child->m_widget) );
 344
 345     if (!parent->m_insertInClientArea)
 346     {
 347         /* these are outside the client area */
 348         wxFrame* frame = (wxFrame*) parent;
 349         gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
 350                          GTK_WIDGET(child->m_widget),
 351                          child->m_x,
 352                          child->m_y,
 353                          child->m_width,
 354                          child->m_height );
 355
 356 #if wxUSE_TOOLBAR_NATIVE
 357         /* we connect to these events for recalculating the client area
 358            space when the toolbar is floating */
 359         if (wxIS_KIND_OF(child,wxToolBar))
 360         {
 361             wxToolBar *toolBar = (wxToolBar*) child;
 362             if (toolBar->GetWindowStyle() & wxTB_DOCKABLE)
 363             {
 364                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_attached",
 365                     GTK_SIGNAL_FUNC(gtk_toolbar_attached_callback), (gpointer)parent );
 366
 367                 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_detached",
 368                     GTK_SIGNAL_FUNC(gtk_toolbar_detached_callback), (gpointer)parent );
 369             }
 370         }
 371 #endif // wxUSE_TOOLBAR
 372     }
 373     else
 374     {
 375         /* these are inside the client area */
 376         gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 377                          GTK_WIDGET(child->m_widget),
 378                          child->m_x,
 379                          child->m_y,
 380                          child->m_width,
 381                          child->m_height );
 382     }
 383
 384     /* resize on OnInternalIdle */
 385     parent->GtkUpdateSize();
 386 }
 387
 388 // ----------------------------------------------------------------------------
 389 // wxFrame creation
 390 // ----------------------------------------------------------------------------
 391
 392 void wxFrame::Init()
 393 {
 394     m_sizeSet = FALSE;
 395     m_miniEdge = 0;
 396     m_miniTitle = 0;
 397     m_mainWidget = (GtkWidget*) NULL;
 398     m_menuBarDetached = FALSE;
 399     m_toolBarDetached = FALSE;
 400     m_insertInClientArea = TRUE;
 401 }
 402
 403 bool wxFrame::Create( wxWindow *parent,
 404                       wxWindowID id,
 405                       const wxString &title,
 406                       const wxPoint &pos,
 407                       const wxSize &size,
 408                       long style,
 409                       const wxString &name )
 410 {
 411     wxTopLevelWindows.Append( this );
 412
 413     m_needParent = FALSE;
 414     m_fsIsShowing = FALSE;
 415
 416     if (!PreCreation( parent, pos, size ) ||
 417         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 418     {
 419         wxFAIL_MSG( wxT("wxFrame creation failed") );
 420         return FALSE;
 421     }
 422
 423     m_title = title;
 424
 425     m_insertCallback = (wxInsertChildFunction) wxInsertChildInFrame;
 426
 427     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 428
 429     m_widget = gtk_window_new( win_type );
 430
 431     if ((m_parent) && (HasFlag(wxFRAME_FLOAT_ON_PARENT)) && (GTK_IS_WINDOW(m_parent->m_widget)))
 432         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 433
 434     if (!name.IsEmpty())
 435         gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
 436
 437 #ifdef __WXDEBUG__
 438     debug_focus_in( m_widget, wxT("wxFrame::m_widget"), name );
 439 #endif
 440
 441     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
 442     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 443
 444     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 445         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 446
 447     /* m_mainWidget holds the toolbar, the menubar and the client area */
 448     m_mainWidget = gtk_pizza_new();
 449     gtk_widget_show( m_mainWidget );
 450     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 451     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 452
 453 #ifdef __WXDEBUG__
 454     debug_focus_in( m_mainWidget, wxT("wxFrame::m_mainWidget"), name );
 455 #endif
 456
 457     /* m_wxwindow only represents the client area without toolbar and menubar */
 458     m_wxwindow = gtk_pizza_new();
 459     gtk_widget_show( m_wxwindow );
 460     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 461
 462 #ifdef __WXDEBUG__
 463     debug_focus_in( m_wxwindow, wxT("wxFrame::m_wxwindow"), name );
 464 #endif
 465
 466     /* we donm't allow the frame to get the focus as otherwise
 467        the frame will grabit at arbitrary fcous changes. */
 468     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 469
 470     if (m_parent) m_parent->AddChild( this );
 471
 472     /* the user resized the frame by dragging etc. */
 473     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 474         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 475
 476     PostCreation();
 477
 478     if ((m_x != -1) || (m_y != -1))
 479         gtk_widget_set_uposition( m_widget, m_x, m_y );
 480     gtk_widget_set_usize( m_widget, m_width, m_height );
 481
 482     /*  we cannot set MWM hints and icons before the widget has
 483         been realized, so we do this directly after realization */
 484     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 485                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 486
 487     /* the only way to get the window size is to connect to this event */
 488     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 489         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 490
 491     /* disable native tab traversal */
 492     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 493         GTK_SIGNAL_FUNC(gtk_frame_focus_callback), (gpointer)this );
 494
 495     return TRUE;
 496 }
 497
 498 wxFrame::~wxFrame()
 499 {
 500     m_isBeingDeleted = TRUE;
 501
 502     DeleteAllBars();
 503
 504     wxTopLevelWindows.DeleteObject( this );
 505
 506     if (wxTheApp->GetTopWindow() == this)
 507         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 508
 509     if ((wxTopLevelWindows.Number() == 0) &&
 510         (wxTheApp->GetExitOnFrameDelete()))
 511     {
 512         wxTheApp->ExitMainLoop();
 513     }
 514 }
 515
 516 bool wxFrame::ShowFullScreen(bool show, long style )
 517 {
 518     if (show == m_fsIsShowing) return FALSE; // return what?
 519
 520     m_fsIsShowing = show;
 521
 522     if (show)
 523     {
 524         m_fsSaveStyle = m_windowStyle;
 525         m_fsSaveFlag = style;
 526         GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 527         GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 528
 529         gtk_widget_hide( m_widget );
 530         gtk_widget_unrealize( m_widget );
 531
 532         m_windowStyle = wxSIMPLE_BORDER;
 533
 534         int x;
 535         int y;
 536         wxDisplaySize( &x, &y );
 537         SetSize( 0, 0, x, y );
 538
 539         gtk_widget_realize( m_widget );
 540         gtk_widget_show( m_widget );
 541     }
 542     else
 543     {
 544         gtk_widget_hide( m_widget );
 545         gtk_widget_unrealize( m_widget );
 546
 547         m_windowStyle = m_fsSaveStyle;
 548
 549         SetSize( m_fsSaveFrame.x, m_fsSaveFrame.y, m_fsSaveFrame.width, m_fsSaveFrame.height );
 550
 551         gtk_widget_realize( m_widget );
 552         gtk_widget_show( m_widget );
 553     }
 554
 555     return TRUE;
 556 }
 557
 558 // ----------------------------------------------------------------------------
 559 // overridden wxWindow methods
 560 // ----------------------------------------------------------------------------
 561
 562 bool wxFrame::Show( bool show )
 563 {
 564     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 565
 566     if (show && !m_sizeSet)
 567     {
 568         /* by calling GtkOnSize here, we don't have to call
 569            either after showing the frame, which would entail
 570            much ugly flicker or from within the size_allocate
 571            handler, because GTK 1.1.X forbids that. */
 572
 573         GtkOnSize( m_x, m_y, m_width, m_height );
 574     }
 575
 576     return wxWindow::Show( show );
 577 }
 578
 579 void wxFrame::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 580 {
 581     wxFAIL_MSG( wxT("DoMoveWindow called for wxFrame") );
 582 }
 583
 584 void wxFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 585 {
 586     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 587
 588     /* this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow */
 589     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 590
 591     /* avoid recursions */
 592     if (m_resizing)
 593         return;
 594     m_resizing = TRUE;
 595
 596     int old_x = m_x;
 597     int old_y = m_y;
 598
 599     int old_width = m_width;
 600     int old_height = m_height;
 601
 602     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 603     {
 604         if (x != -1) m_x = x;
 605         if (y != -1) m_y = y;
 606         if (width != -1) m_width = width;
 607         if (height != -1) m_height = height;
 608     }
 609     else
 610     {
 611         m_x = x;
 612         m_y = y;
 613         m_width = width;
 614         m_height = height;
 615     }
 616
 617 /*
 618     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 619     {
 620         if (width == -1) m_width = 80;
 621     }
 622
 623     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 624     {
 625        if (height == -1) m_height = 26;
 626     }
 627 */
 628
 629     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 630     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 631     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 632     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 633
 634     if ((m_x != -1) || (m_y != -1))
 635     {
 636         if ((m_x != old_x) || (m_y != old_y))
 637         {
 638             gtk_widget_set_uposition( m_widget, m_x, m_y );
 639         }
 640     }
 641
 642     if ((m_width != old_width) || (m_height != old_height))
 643     {
 644         gtk_widget_set_usize( m_widget, m_width, m_height );
 645
 646         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 647            done either directly before the frame is shown or in idle time
 648            so that different calls to SetSize() don't lead to flicker. */
 649         m_sizeSet = FALSE;
 650     }
 651
 652     m_resizing = FALSE;
 653 }
 654
 655 void wxFrame::DoGetClientSize( int *width, int *height ) const
 656 {
 657     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 658
 659     wxWindow::DoGetClientSize( width, height );
 660     if (height)
 661     {
 662         /* menu bar */
 663         if (m_frameMenuBar)
 664         {
 665             if (!m_menuBarDetached)
 666                 (*height) -= wxMENU_HEIGHT;
 667             else
 668                 (*height) -= wxPLACE_HOLDER;
 669         }
 670
 671 #if wxUSE_STATUSBAR
 672         /* status bar */
 673         if (m_frameStatusBar && m_frameStatusBar->IsShown()) (*height) -= wxSTATUS_HEIGHT;
 674 #endif // wxUSE_STATUSBAR
 675
 676 #if wxUSE_TOOLBAR
 677         /* tool bar */
 678         if (m_frameToolBar && m_frameToolBar->IsShown())
 679         {
 680             if (m_toolBarDetached)
 681             {
 682                 *height -= wxPLACE_HOLDER;
 683             }
 684             else
 685             {
 686                 int x, y;
 687                 m_frameToolBar->GetSize( &x, &y );
 688                 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
 689                 {
 690                     *width -= x;
 691                 }
 692                 else
 693                 {
 694                     *height -= y;
 695                 }
 696             }
 697         }
 698 #endif // wxUSE_TOOLBAR
 699
 700         /* mini edge */
 701         *height -= m_miniEdge*2 + m_miniTitle;
 702     }
 703     if (width)
 704     {
 705         *width -= m_miniEdge*2;
 706     }
 707 }
 708
 709 void wxFrame::DoSetClientSize( int width, int height )
 710 {
 711     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 712
 713         /* menu bar */
 714         if (m_frameMenuBar)
 715         {
 716             if (!m_menuBarDetached)
 717                 height += wxMENU_HEIGHT;
 718             else
 719                 height += wxPLACE_HOLDER;
 720         }
 721
 722 #if wxUSE_STATUSBAR
 723         /* status bar */
 724         if (m_frameStatusBar && m_frameStatusBar->IsShown()) height += wxSTATUS_HEIGHT;
 725 #endif
 726
 727 #if wxUSE_TOOLBAR
 728         /* tool bar */
 729         if (m_frameToolBar && m_frameToolBar->IsShown())
 730         {
 731             if (m_toolBarDetached)
 732             {
 733                 height += wxPLACE_HOLDER;
 734             }
 735             else
 736             {
 737                 int x, y;
 738                 m_frameToolBar->GetSize( &x, &y );
 739                 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
 740                 {
 741                     width += x;
 742                 }
 743                 else
 744                 {
 745                     height += y;
 746                 }
 747             }
 748         }
 749 #endif
 750
 751     DoSetSize( -1, -1, width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle, 0 );
 752 }
 753
 754 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
 755                          int width, int height )
 756 {
 757     // due to a bug in gtk, x,y are always 0
 758     // m_x = x;
 759     // m_y = y;
 760
 761     /* avoid recursions */
 762     if (m_resizing) return;
 763     m_resizing = TRUE;
 764
 765     /* this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow */
 766     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 767
 768     m_width = width;
 769     m_height = height;
 770
 771     /* space occupied by m_frameToolBar and m_frameMenuBar */
 772     int client_area_x_offset = 0,
 773         client_area_y_offset = 0;
 774
 775     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 776        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 777        set in wxFrame::Create so it is used to check what kind of frame we
 778        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 779        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 780        importantly) m_mainWidget */
 781
 782     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 783     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 784     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 785     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 786
 787     if (m_mainWidget)
 788     {
 789         /* set size hints */
 790         gint flag = 0; // GDK_HINT_POS;
 791         if ((m_minWidth != -1) || (m_minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 792         if ((m_maxWidth != -1) || (m_maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 793         GdkGeometry geom;
 794         geom.min_width = m_minWidth;
 795         geom.min_height = m_minHeight;
 796         geom.max_width = m_maxWidth;
 797         geom.max_height = m_maxHeight;
 798         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
 799                                        (GtkWidget*) NULL,
 800                                        &geom,
 801                                        (GdkWindowHints) flag );
 802
 803         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
 804          * menubar, the toolbar and the client area, which is represented by
 805          * m_wxwindow.
 806          * this hurts in the eye, but I don't want to call SetSize()
 807          * because I don't want to call any non-native functions here. */
 808
 809         if (m_frameMenuBar)
 810         {
 811             int xx = m_miniEdge;
 812             int yy = m_miniEdge + m_miniTitle;
 813             int ww = m_width  - 2*m_miniEdge;
 814             int hh = wxMENU_HEIGHT;
 815             if (m_menuBarDetached) hh = wxPLACE_HOLDER;
 816             m_frameMenuBar->m_x = xx;
 817             m_frameMenuBar->m_y = yy;
 818             m_frameMenuBar->m_width = ww;
 819             m_frameMenuBar->m_height = hh;
 820             gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 821                                   m_frameMenuBar->m_widget,
 822                                   xx, yy, ww, hh );
 823             client_area_y_offset += hh;
 824         }
 825
 826 #if wxUSE_TOOLBAR
 827         if ((m_frameToolBar) && m_frameToolBar->IsShown() &&
 828             (m_frameToolBar->m_widget->parent == m_mainWidget))
 829         {
 830             int xx = m_miniEdge;
 831             int yy = m_miniEdge + m_miniTitle;
 832             if (m_frameMenuBar)
 833             {
 834                 if (!m_menuBarDetached)
 835                     yy += wxMENU_HEIGHT;
 836                 else
 837                     yy += wxPLACE_HOLDER;
 838             }
 839
 840             m_frameToolBar->m_x = xx;
 841             m_frameToolBar->m_y = yy;
 842
 843             /* don't change the toolbar's reported height/width */
 844             int ww, hh;
 845             if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
 846             {
 847                 ww = m_toolBarDetached ? wxPLACE_HOLDER
 848                                        : m_frameToolBar->m_width;
 849                 hh = m_height - 2*m_miniEdge;
 850
 851                 client_area_x_offset += ww;
 852             }
 853             else
 854             {
 855                 ww = m_width - 2*m_miniEdge;
 856                 hh = m_toolBarDetached ? wxPLACE_HOLDER
 857                                        : m_frameToolBar->m_height;
 858
 859                 client_area_y_offset += hh;
 860             }
 861
 862             gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 863                                   m_frameToolBar->m_widget,
 864                                   xx, yy, ww, hh );
 865         }
 866 #endif // wxUSE_TOOLBAR
 867
 868         int client_x = client_area_x_offset + m_miniEdge;
 869         int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
 870         int client_w = m_width - client_area_x_offset - 2*m_miniEdge;
 871         int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
 872         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 873                               m_wxwindow,
 874                               client_x, client_y, client_w, client_h );
 875     }
 876     else
 877     {
 878         /* if there is no m_mainWidget between m_widget and m_wxwindow there
 879            is no need to set the size or position of m_wxwindow. */
 880     }
 881
 882 #if wxUSE_STATUSBAR
 883     if (m_frameStatusBar && m_frameStatusBar->IsShown())
 884     {
 885         int xx = 0 + m_miniEdge;
 886         int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
 887         int ww = m_width - 2*m_miniEdge;
 888         int hh = wxSTATUS_HEIGHT;
 889         m_frameStatusBar->m_x = xx;
 890         m_frameStatusBar->m_y = yy;
 891         m_frameStatusBar->m_width = ww;
 892         m_frameStatusBar->m_height = hh;
 893         gtk_pizza_set_size( GTK_PIZZA(m_wxwindow),
 894                             m_frameStatusBar->m_widget,
 895                             xx, yy, ww, hh );
 896         gtk_widget_draw( m_frameStatusBar->m_widget, (GdkRectangle*) NULL );
 897     }
 898 #endif
 899
 900     m_sizeSet = TRUE;
 901
 902     // send size event to frame
 903     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 904     event.SetEventObject( this );
 905     GetEventHandler()->ProcessEvent( event );
 906
 907     // send size event to status bar
 908     if (m_frameStatusBar)
 909     {
 910         wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
 911         event2.SetEventObject( m_frameStatusBar );
 912         m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
 913     }
 914
 915     m_resizing = FALSE;
 916 }
 917
 918 void wxFrame::MakeModal( bool modal )
 919 {
 920     if (modal)
 921         gtk_grab_add( m_widget );
 922     else
 923         gtk_grab_remove( m_widget );
 924 }
 925
 926 void wxFrame::OnInternalIdle()
 927 {
 928     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 929     {
 930         GtkOnSize( m_x, m_y, m_width, m_height );
 931
 932         // we'll come back later
 933         if (g_isIdle)
 934             wxapp_install_idle_handler();
 935         return;
 936     }
 937
 938     if (m_frameMenuBar) m_frameMenuBar->OnInternalIdle();
 939 #if wxUSE_TOOLBAR
 940     if (m_frameToolBar) m_frameToolBar->OnInternalIdle();
 941 #endif
 942 #if wxUSE_STATUSBAR
 943     if (m_frameStatusBar) m_frameStatusBar->OnInternalIdle();
 944 #endif
 945
 946     wxWindow::OnInternalIdle();
 947 }
 948
 949 // ----------------------------------------------------------------------------
 950 // menu/tool/status bar stuff
 951 // ----------------------------------------------------------------------------
 952
 953 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 954 {
 955     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 956     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 957
 958     if (menuBar == m_frameMenuBar)
 959         return;
 960
 961     if (m_frameMenuBar)
 962     {
 963         m_frameMenuBar->UnsetInvokingWindow( this );
 964
 965         if (m_frameMenuBar->GetWindowStyle() & wxMB_DOCKABLE)
 966         {
 967             gtk_signal_disconnect_by_func( GTK_OBJECT(m_frameMenuBar->m_widget),
 968                 GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
 969
 970             gtk_signal_disconnect_by_func( GTK_OBJECT(m_frameMenuBar->m_widget),
 971                 GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
 972         }
 973
 974         gtk_container_remove( GTK_CONTAINER(m_mainWidget), m_frameMenuBar->m_widget );
 975         gtk_widget_ref( m_frameMenuBar->m_widget );
 976         gtk_widget_unparent( m_frameMenuBar->m_widget );
 977     }
 978
 979     m_frameMenuBar = menuBar;
 980
 981     if (m_frameMenuBar)
 982     {
 983         m_frameMenuBar->SetInvokingWindow( this );
 984
 985         m_frameMenuBar->SetParent(this);
 986         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 987                 m_frameMenuBar->m_widget,
 988                 m_frameMenuBar->m_x,
 989                 m_frameMenuBar->m_y,
 990                 m_frameMenuBar->m_width,
 991                 m_frameMenuBar->m_height );
 992
 993         if (menuBar->GetWindowStyle() & wxMB_DOCKABLE)
 994         {
 995             gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_attached",
 996                 GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
 997
 998             gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
 999                 GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
1000         }
1001
1002         m_frameMenuBar->Show( TRUE );
1003     }
1004
1005     /* resize window in OnInternalIdle */
1006     m_sizeSet = FALSE;
1007 }
1008
1009 #if wxUSE_TOOLBAR
1010 wxToolBar* wxFrame::CreateToolBar( long style, wxWindowID id, const wxString& name )
1011 {
1012     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1013
1014     m_insertInClientArea = FALSE;
1015
1016     m_frameToolBar = wxFrameBase::CreateToolBar( style, id, name );
1017
1018     m_insertInClientArea = TRUE;
1019
1020     m_sizeSet = FALSE;
1021
1022     return m_frameToolBar;
1023 }
1024
1025 void wxFrame::SetToolBar(wxToolBar *toolbar)
1026 {
1027     wxFrameBase::SetToolBar(toolbar);
1028
1029     if (m_frameToolBar)
1030     {
1031         /* insert into toolbar area if not already there */
1032         if ((m_frameToolBar->m_widget->parent) &&
1033             (m_frameToolBar->m_widget->parent != m_mainWidget))
1034         {
1035             GetChildren().DeleteObject( m_frameToolBar );
1036
1037             gtk_widget_reparent( m_frameToolBar->m_widget, m_mainWidget );
1038             GtkUpdateSize();
1039         }
1040     }
1041 }
1042
1043 #endif // wxUSE_TOOLBAR
1044
1045 #if wxUSE_STATUSBAR
1046
1047 wxStatusBar* wxFrame::CreateStatusBar(int number,
1048                                       long style,
1049                                       wxWindowID id,
1050                                       const wxString& name)
1051 {
1052     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1053
1054     // because it will change when toolbar is added
1055     m_sizeSet = FALSE;
1056
1057     return wxFrameBase::CreateStatusBar( number, style, id, name );
1058 }
1059
1060 void wxFrame::PositionStatusBar()
1061 {
1062     if ( !m_frameStatusBar )
1063         return;
1064
1065     m_sizeSet = FALSE;
1066 }
1067 #endif // wxUSE_STATUSBAR
1068
1069 // ----------------------------------------------------------------------------
1070 // frame title/icon
1071 // ----------------------------------------------------------------------------
1072
1073 void wxFrame::SetTitle( const wxString &title )
1074 {
1075     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1076
1077     m_title = title;
1078     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
1079 }
1080
1081 void wxFrame::SetIcon( const wxIcon &icon )
1082 {
1083     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1084
1085     wxFrameBase::SetIcon(icon);
1086
1087     if ( !m_icon.Ok() )
1088         return;
1089
1090     if (!m_widget->window)
1091         return;
1092
1093     wxMask *mask = icon.GetMask();
1094     GdkBitmap *bm = (GdkBitmap *) NULL;
1095     if (mask) bm = mask->GetBitmap();
1096
1097     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
1098 }
1099
1100 // ----------------------------------------------------------------------------
1101 // frame state: maximized/iconized/normal (TODO)
1102 // ----------------------------------------------------------------------------
1103
1104 void wxFrame::Maximize(bool WXUNUSED(maximize))
1105 {
1106 }
1107
1108 bool wxFrame::IsMaximized() const
1109 {
1110     return FALSE;
1111 }
1112
1113 void wxFrame::Restore()
1114 {
1115 }
1116
1117 void wxFrame::Iconize( bool iconize )
1118 {
1119    if (iconize)
1120    {
1121         XIconifyWindow( GDK_WINDOW_XDISPLAY( m_widget->window ),
1122                         GDK_WINDOW_XWINDOW( m_widget->window ),
1123                         DefaultScreen( GDK_DISPLAY() ) );
1124    }
1125 }
1126
1127 bool wxFrame::IsIconized() const
1128 {
1129     return FALSE;
1130 }