src/gtk/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        toplevel.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 "toplevel.h"
  20 #endif
  21
  22 #ifdef __VMS
  23 #define XIconifyWindow XICONIFYWINDOW
  24 #endif
  25
  26 #include "wx/defs.h"
  27
  28 #include "wx/dialog.h"
  29 #include "wx/control.h"
  30 #include "wx/app.h"
  31 #include "wx/dcclient.h"
  32
  33 #include <glib.h>
  34 #include <gdk/gdk.h>
  35 #include <gtk/gtk.h>
  36 #include <gdk/gdkkeysyms.h>
  37 #include <gdk/gdkx.h>
  38
  39 #include "wx/gtk/win_gtk.h"
  40
  41 #include "wx/unix/utilsx11.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // idle system
  45 // ----------------------------------------------------------------------------
  46
  47 extern void wxapp_install_idle_handler();
  48 extern bool g_isIdle;
  49
  50 // ----------------------------------------------------------------------------
  51 // data
  52 // ----------------------------------------------------------------------------
  53
  54 extern wxList         wxPendingDelete;
  55
  56 extern int            g_openDialogs;
  57 extern wxWindowGTK   *g_delayedFocus;
  58
  59 //-----------------------------------------------------------------------------
  60 // "focus" from m_window
  61 //-----------------------------------------------------------------------------
  62
  63 static gint gtk_frame_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
  64 {
  65     if (g_isIdle)
  66         wxapp_install_idle_handler();
  67
  68     // This disables GTK's tab traversal
  69     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
  70     return TRUE;
  71 }
  72
  73 //-----------------------------------------------------------------------------
  74 // "size_allocate"
  75 //-----------------------------------------------------------------------------
  76
  77 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxTopLevelWindowGTK *win )
  78 {
  79     if (g_isIdle)
  80         wxapp_install_idle_handler();
  81
  82     if (!win->m_hasVMT)
  83         return;
  84
  85     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
  86     {
  87 /*
  88         wxPrintf( "OnSize from " );
  89         if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  90            wxPrintf( win->GetClassInfo()->GetClassName() );
  91         wxPrintf( " %d %d %d %d\n", (int)alloc->x,
  92                                 (int)alloc->y,
  93                                 (int)alloc->width,
  94                                 (int)alloc->height );
  95 */
  96
  97         win->m_width = alloc->width;
  98         win->m_height = alloc->height;
  99         win->m_queuedFullRedraw = TRUE;
 100         win->GtkUpdateSize();
 101     }
 102 }
 103
 104 //-----------------------------------------------------------------------------
 105 // "delete_event"
 106 //-----------------------------------------------------------------------------
 107
 108 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxTopLevelWindowGTK *win )
 109 {
 110     if (g_isIdle)
 111         wxapp_install_idle_handler();
 112
 113     if (win->IsEnabled() &&
 114         (g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 115          win->IsGrabbed()))
 116         win->Close();
 117
 118     return TRUE;
 119 }
 120
 121
 122 //-----------------------------------------------------------------------------
 123 // "configure_event"
 124 //-----------------------------------------------------------------------------
 125
 126 static gint
 127 gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxTopLevelWindowGTK *win )
 128 {
 129     if (g_isIdle)
 130         wxapp_install_idle_handler();
 131
 132     if (!win->m_hasVMT || !win->IsShown())
 133         return FALSE;
 134
 135     int x = 0;
 136     int y = 0;
 137     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 138     win->m_x = x;
 139     win->m_y = y;
 140
 141     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 142     mevent.SetEventObject( win );
 143     win->GetEventHandler()->ProcessEvent( mevent );
 144
 145     return FALSE;
 146 }
 147
 148 //-----------------------------------------------------------------------------
 149 // "realize" from m_widget
 150 //-----------------------------------------------------------------------------
 151
 152 // we cannot MWM hints and icons before the widget has been realized,
 153 // so we do this directly after realization
 154
 155 static void
 156 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 157                              wxTopLevelWindowGTK *win )
 158 {
 159     if (g_isIdle)
 160         wxapp_install_idle_handler();
 161
 162     // All this is for Motif Window Manager "hints" and is supposed to be
 163     // recognized by other WM as well. Not tested.
 164     gdk_window_set_decorations(win->m_widget->window,
 165                                (GdkWMDecoration)win->m_gdkDecor);
 166     gdk_window_set_functions(win->m_widget->window,
 167                                (GdkWMFunction)win->m_gdkFunc);
 168
 169     // GTK's shrinking/growing policy
 170     if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
 171         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 172     else
 173         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 174
 175     // reset the icon
 176     wxIconBundle iconsOld = win->GetIcons();
 177     if ( iconsOld.GetIcon(-1).Ok() )
 178     {
 179         win->SetIcon( wxNullIcon );
 180         win->SetIcons( iconsOld );
 181     }
 182 }
 183
 184 //-----------------------------------------------------------------------------
 185 // "map_event" from m_widget
 186 //-----------------------------------------------------------------------------
 187
 188 static void
 189 gtk_frame_map_callback( GtkWidget * WXUNUSED(widget),
 190                         GdkEvent * WXUNUSED(event),
 191                         wxTopLevelWindow *win )
 192 {
 193     win->SetIconizeState(FALSE);
 194 }
 195
 196 //-----------------------------------------------------------------------------
 197 // "unmap_event" from m_widget
 198 //-----------------------------------------------------------------------------
 199
 200 static void
 201 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 202                           GdkEvent * WXUNUSED(event),
 203                           wxTopLevelWindow *win )
 204 {
 205     win->SetIconizeState(TRUE);
 206 }
 207
 208 //-----------------------------------------------------------------------------
 209 // "expose_event" of m_client
 210 //-----------------------------------------------------------------------------
 211
 212 static int gtk_window_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
 213 {
 214     GtkPizza *pizza = GTK_PIZZA(widget);
 215
 216     gtk_paint_flat_box (win->m_widget->style,
 217                         pizza->bin_window, GTK_STATE_NORMAL,
 218                         GTK_SHADOW_NONE,
 219                         &gdk_event->area,
 220                         win->m_widget,
 221                         (char *)"base",
 222                         0, 0, -1, -1);
 223
 224     return TRUE;
 225 }
 226
 227 //-----------------------------------------------------------------------------
 228 // "draw" of m_client
 229 //-----------------------------------------------------------------------------
 230
 231 #ifndef __WXGTK20__
 232
 233 static void gtk_window_draw_callback( GtkWidget *widget, GdkRectangle *rect, wxWindow *win )
 234 {
 235     GtkPizza *pizza = GTK_PIZZA(widget);
 236
 237     gtk_paint_flat_box (win->m_widget->style,
 238                         pizza->bin_window, GTK_STATE_NORMAL,
 239                         GTK_SHADOW_NONE,
 240                         rect,
 241                         win->m_widget,
 242                         (char *)"base",
 243                         0, 0, -1, -1);
 244 }
 245
 246 #endif // GTK+ 1.x
 247
 248 // ----------------------------------------------------------------------------
 249 // wxTopLevelWindowGTK itself
 250 // ----------------------------------------------------------------------------
 251
 252 //-----------------------------------------------------------------------------
 253 // InsertChild for wxTopLevelWindowGTK
 254 //-----------------------------------------------------------------------------
 255
 256 /* Callback for wxTopLevelWindowGTK. This very strange beast has to be used because
 257  * C++ has no virtual methods in a constructor. We have to emulate a
 258  * virtual function here as wxWindows requires different ways to insert
 259  * a child in container classes. */
 260
 261 static void wxInsertChildInTopLevelWindow( wxTopLevelWindowGTK* parent, wxWindow* child )
 262 {
 263     wxASSERT( GTK_IS_WIDGET(child->m_widget) );
 264
 265     if (!parent->m_insertInClientArea)
 266     {
 267         // these are outside the client area
 268         wxTopLevelWindowGTK* frame = (wxTopLevelWindowGTK*) parent;
 269         gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
 270                          GTK_WIDGET(child->m_widget),
 271                          child->m_x,
 272                          child->m_y,
 273                          child->m_width,
 274                          child->m_height );
 275     }
 276     else
 277     {
 278         // these are inside the client area
 279         gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 280                          GTK_WIDGET(child->m_widget),
 281                          child->m_x,
 282                          child->m_y,
 283                          child->m_width,
 284                          child->m_height );
 285     }
 286
 287     // resize on OnInternalIdle
 288     parent->GtkUpdateSize();
 289 }
 290
 291 // ----------------------------------------------------------------------------
 292 // wxTopLevelWindowGTK creation
 293 // ----------------------------------------------------------------------------
 294
 295 void wxTopLevelWindowGTK::Init()
 296 {
 297     m_sizeSet = FALSE;
 298     m_miniEdge = 0;
 299     m_miniTitle = 0;
 300     m_mainWidget = (GtkWidget*) NULL;
 301     m_insertInClientArea = TRUE;
 302     m_isIconized = FALSE;
 303     m_fsIsShowing = FALSE;
 304     m_themeEnabled = TRUE;
 305     m_gdkDecor = m_gdkFunc = 0;
 306     m_grabbed = FALSE;
 307 }
 308
 309 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 310                                   wxWindowID id,
 311                                   const wxString& title,
 312                                   const wxPoint& pos,
 313                                   const wxSize& sizeOrig,
 314                                   long style,
 315                                   const wxString &name )
 316 {
 317     // always create a frame of some reasonable, even if arbitrary, size (at
 318     // least for MSW compatibility)
 319     wxSize size = sizeOrig;
 320     if ( size.x == -1 || size.y == -1 )
 321     {
 322         wxSize sizeDpy = wxGetDisplaySize();
 323         if ( size.x == -1 )
 324             size.x = sizeDpy.x / 3;
 325         if ( size.y == -1 )
 326             size.y = sizeDpy.y / 5;
 327     }
 328
 329     wxTopLevelWindows.Append( this );
 330
 331     m_needParent = FALSE;
 332
 333     if (!PreCreation( parent, pos, size ) ||
 334         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 335     {
 336         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 337         return FALSE;
 338     }
 339
 340     m_title = title;
 341
 342     m_insertCallback = (wxInsertChildFunction) wxInsertChildInTopLevelWindow;
 343
 344     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 345
 346     if (style & wxFRAME_TOOL_WINDOW)
 347         win_type = GTK_WINDOW_POPUP;
 348
 349     if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 350     {
 351         // there is no more GTK_WINDOW_DIALOG in 2.0
 352 #ifdef __WXGTK20__
 353         win_type = GTK_WINDOW_TOPLEVEL;
 354 #else
 355         win_type = GTK_WINDOW_DIALOG;
 356 #endif
 357     }
 358
 359     m_widget = gtk_window_new( win_type );
 360
 361     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)) &&
 362         (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG))
 363     {
 364         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 365     }
 366
 367     if (!name.IsEmpty())
 368         gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
 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_pizza_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     // for m_mainWidget themes
 383     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 384                 GTK_SIGNAL_FUNC(gtk_window_expose_callback), (gpointer)this );
 385 #ifndef __WXGTK20__
 386     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 387                 GTK_SIGNAL_FUNC(gtk_window_draw_callback), (gpointer)this );
 388 #endif
 389
 390     // m_wxwindow only represents the client area without toolbar and menubar
 391     m_wxwindow = gtk_pizza_new();
 392     gtk_widget_show( m_wxwindow );
 393     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 394
 395     // we donm't allow the frame to get the focus as otherwise
 396     // the frame will grab it at arbitrary focus changes
 397     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 398
 399     if (m_parent) m_parent->AddChild( this );
 400
 401     // the user resized the frame by dragging etc.
 402     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 403         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 404
 405     PostCreation();
 406
 407     if ((m_x != -1) || (m_y != -1))
 408         gtk_widget_set_uposition( m_widget, m_x, m_y );
 409
 410     gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 411
 412     //  we cannot set MWM hints and icons before the widget has
 413     //  been realized, so we do this directly after realization
 414     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 415                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 416
 417     // the only way to get the window size is to connect to this event
 418     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 419         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 420
 421     // map and unmap for iconized state
 422     gtk_signal_connect( GTK_OBJECT(m_widget), "map_event",
 423         GTK_SIGNAL_FUNC(gtk_frame_map_callback), (gpointer)this );
 424     gtk_signal_connect( GTK_OBJECT(m_widget), "unmap_event",
 425         GTK_SIGNAL_FUNC(gtk_frame_unmap_callback), (gpointer)this );
 426
 427     // the only way to get the window size is to connect to this event
 428     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 429         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 430
 431     // disable native tab traversal
 432     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 433         GTK_SIGNAL_FUNC(gtk_frame_focus_callback), (gpointer)this );
 434
 435     // decorations
 436     if ((m_miniEdge > 0) || (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 437     {
 438         m_gdkDecor = 0;
 439         m_gdkFunc = 0;
 440     }
 441     else
 442     {
 443         m_gdkDecor = (long) GDK_DECOR_BORDER;
 444         m_gdkFunc = (long) GDK_FUNC_MOVE;
 445
 446         // All this is for Motif Window Manager "hints" and is supposed to be
 447         // recognized by other WMs as well.
 448         if ((style & wxCAPTION) != 0)
 449             m_gdkDecor |= GDK_DECOR_TITLE;
 450         if ((style & wxSYSTEM_MENU) != 0)
 451         {
 452             m_gdkFunc |= GDK_FUNC_CLOSE;
 453             m_gdkDecor |= GDK_DECOR_MENU;
 454         }
 455         if ((style & wxMINIMIZE_BOX) != 0)
 456         {
 457             m_gdkFunc |= GDK_FUNC_MINIMIZE;
 458             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 459         }
 460         if ((style & wxMAXIMIZE_BOX) != 0)
 461         {
 462             m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 463             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 464         }
 465         if ((style & wxRESIZE_BORDER) != 0)
 466         {
 467            m_gdkFunc |= GDK_FUNC_RESIZE;
 468            m_gdkDecor |= GDK_DECOR_RESIZEH;
 469         }
 470     }
 471
 472     return TRUE;
 473 }
 474
 475 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 476 {
 477     if (m_grabbed)
 478     {
 479         wxASSERT_MSG( FALSE, "Window still grabbed");
 480         RemoveGrab();
 481     }
 482
 483     m_isBeingDeleted = TRUE;
 484
 485     // it may also be GtkScrolledWindow in the case of an MDI child
 486     if (GTK_IS_WINDOW(m_widget))
 487     {
 488         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 489     }
 490
 491     wxTopLevelWindows.DeleteObject( this );
 492
 493     if (wxTheApp->GetTopWindow() == this)
 494         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 495
 496     if ((wxTopLevelWindows.Number() == 0) &&
 497         (wxTheApp->GetExitOnFrameDelete()))
 498     {
 499         wxTheApp->ExitMainLoop();
 500     }
 501 }
 502
 503 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long style )
 504 {
 505     if (show == m_fsIsShowing) return FALSE; // return what?
 506
 507     m_fsIsShowing = show;
 508
 509     if (show)
 510     {
 511         m_fsSaveGdkFunc = m_gdkFunc;
 512         m_fsSaveGdkDecor = m_gdkDecor;
 513         m_fsSaveFlag = style;
 514         GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 515         GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 516
 517         gtk_widget_hide( m_widget );
 518         gtk_widget_unrealize( m_widget );
 519
 520         m_gdkDecor = (long) GDK_DECOR_BORDER;
 521         m_gdkFunc = (long) GDK_FUNC_MOVE;
 522
 523         int x;
 524         int y;
 525         wxDisplaySize( &x, &y );
 526         SetSize( 0, 0, x, y );
 527
 528         gtk_widget_realize( m_widget );
 529         gtk_widget_show( m_widget );
 530     }
 531     else
 532     {
 533         gtk_widget_hide( m_widget );
 534         gtk_widget_unrealize( m_widget );
 535
 536         m_gdkFunc = m_fsSaveGdkFunc;
 537         m_gdkDecor = m_fsSaveGdkDecor;
 538
 539         SetSize( m_fsSaveFrame.x, m_fsSaveFrame.y, m_fsSaveFrame.width, m_fsSaveFrame.height );
 540
 541         gtk_widget_realize( m_widget );
 542         gtk_widget_show( m_widget );
 543     }
 544
 545     return TRUE;
 546 }
 547
 548 // ----------------------------------------------------------------------------
 549 // overridden wxWindow methods
 550 // ----------------------------------------------------------------------------
 551
 552 bool wxTopLevelWindowGTK::Show( bool show )
 553 {
 554     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 555
 556     if (show && !m_sizeSet)
 557     {
 558         /* by calling GtkOnSize here, we don't have to call
 559            either after showing the frame, which would entail
 560            much ugly flicker or from within the size_allocate
 561            handler, because GTK 1.1.X forbids that. */
 562
 563         GtkOnSize( m_x, m_y, m_width, m_height );
 564     }
 565
 566     return wxWindow::Show( show );
 567 }
 568
 569 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 570 {
 571     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 572 }
 573
 574 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 575 {
 576     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 577
 578     // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
 579     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 580
 581     // avoid recursions
 582     if (m_resizing)
 583         return;
 584     m_resizing = TRUE;
 585
 586     int old_x = m_x;
 587     int old_y = m_y;
 588
 589     int old_width = m_width;
 590     int old_height = m_height;
 591
 592     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 593     {
 594         if (x != -1) m_x = x;
 595         if (y != -1) m_y = y;
 596     }
 597     else
 598     {
 599         m_x = x;
 600         m_y = y;
 601     }
 602     if (width != -1) m_width = width;
 603     if (height != -1) m_height = height;
 604
 605 /*
 606     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 607     {
 608         if (width == -1) m_width = 80;
 609     }
 610
 611     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 612     {
 613        if (height == -1) m_height = 26;
 614     }
 615 */
 616
 617     int minWidth = GetMinWidth(),
 618         minHeight = GetMinHeight(),
 619         maxWidth = GetMaxWidth(),
 620         maxHeight = GetMaxHeight();
 621
 622     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 623     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 624     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 625     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 626
 627     if ((m_x != -1) || (m_y != -1))
 628     {
 629         if ((m_x != old_x) || (m_y != old_y))
 630         {
 631             gtk_widget_set_uposition( m_widget, m_x, m_y );
 632         }
 633     }
 634
 635     if ((m_width != old_width) || (m_height != old_height))
 636     {
 637         if (m_widget->window)
 638             gdk_window_resize( m_widget->window, m_width, m_height );
 639         else
 640             gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 641
 642         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 643            done either directly before the frame is shown or in idle time
 644            so that different calls to SetSize() don't lead to flicker. */
 645         m_sizeSet = FALSE;
 646     }
 647
 648     m_resizing = FALSE;
 649 }
 650
 651 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 652 {
 653     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 654
 655     wxWindow::DoGetClientSize( width, height );
 656     if (height)
 657     {
 658         // mini edge
 659         *height -= m_miniEdge*2 + m_miniTitle;
 660     }
 661     if (width)
 662     {
 663         *width -= m_miniEdge*2;
 664     }
 665 }
 666
 667 void wxTopLevelWindowGTK::DoSetClientSize( int width, int height )
 668 {
 669     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 670
 671     DoSetSize(-1, -1,
 672               width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle, 0);
 673 }
 674
 675 void wxTopLevelWindowGTK::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
 676                                      int width, int height )
 677 {
 678     // due to a bug in gtk, x,y are always 0
 679     // m_x = x;
 680     // m_y = y;
 681
 682     // avoid recursions
 683     if (m_resizing) return;
 684     m_resizing = TRUE;
 685
 686     if ( m_wxwindow == NULL ) return;
 687
 688     m_width = width;
 689     m_height = height;
 690
 691     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 692        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 693        set in wxFrame::Create so it is used to check what kind of frame we
 694        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 695        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 696        importantly) m_mainWidget */
 697
 698     int minWidth = GetMinWidth(),
 699         minHeight = GetMinHeight(),
 700         maxWidth = GetMaxWidth(),
 701         maxHeight = GetMaxHeight();
 702
 703     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 704     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 705     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 706     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 707
 708     if (m_mainWidget)
 709     {
 710         // set size hints
 711         gint            flag = 0; // GDK_HINT_POS;
 712         GdkGeometry     geom;
 713
 714         if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 715         if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 716
 717         geom.min_width = minWidth;
 718         geom.min_height = minHeight;
 719
 720             // Because of the way we set GDK_HINT_MAX_SIZE above, if either of
 721             // maxHeight or maxWidth is set, we must set them both, else the
 722             // remaining -1 will be taken literally.
 723
 724             // I'm certain this also happens elsewhere, and is the probable
 725             // cause of other such things as:
 726             // Gtk-WARNING **: gtk_widget_size_allocate():
 727             //       attempt to allocate widget with width 65535 and height 600
 728             // but I don't have time to track them all now..
 729             //
 730             // Really we need to encapulate all this height/width business and
 731             // stop any old method from ripping at the members directly and
 732             // scattering -1's without regard for who might resolve them later.
 733
 734         geom.max_width = ( maxHeight == -1 ) ? maxWidth
 735                          : ( maxWidth == -1 ) ? wxGetDisplaySize().GetWidth()
 736                            : maxWidth ;
 737
 738         geom.max_height = ( maxWidth == -1 ) ? maxHeight    // ( == -1 here )
 739                           : ( maxHeight == -1 ) ? wxGetDisplaySize().GetHeight()
 740                             : maxHeight ;
 741
 742         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
 743                                        (GtkWidget*) NULL,
 744                                        &geom,
 745                                        (GdkWindowHints) flag );
 746
 747         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
 748          * menubar, the toolbar and the client area, which is represented by
 749          * m_wxwindow.
 750          * this hurts in the eye, but I don't want to call SetSize()
 751          * because I don't want to call any non-native functions here. */
 752
 753         int client_x = m_miniEdge;
 754         int client_y = m_miniEdge + m_miniTitle;
 755         int client_w = m_width - 2*m_miniEdge;
 756         int client_h = m_height - 2*m_miniEdge - m_miniTitle;
 757
 758         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 759                               m_wxwindow,
 760                               client_x, client_y, client_w, client_h );
 761     }
 762     else
 763     {
 764         // If there is no m_mainWidget between m_widget and m_wxwindow there
 765         // is no need to set the size or position of m_wxwindow.
 766     }
 767
 768     m_sizeSet = TRUE;
 769
 770     // send size event to frame
 771     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 772     event.SetEventObject( this );
 773     GetEventHandler()->ProcessEvent( event );
 774
 775     m_resizing = FALSE;
 776 }
 777
 778 void wxTopLevelWindowGTK::OnInternalIdle()
 779 {
 780     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 781     {
 782         GtkOnSize( m_x, m_y, m_width, m_height );
 783
 784         // we'll come back later
 785         if (g_isIdle)
 786             wxapp_install_idle_handler();
 787         return;
 788     }
 789
 790     // set the focus if not done yet and if we can already do it
 791     if ( GTK_WIDGET_REALIZED(m_wxwindow) )
 792     {
 793         if ( g_delayedFocus &&
 794              wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
 795         {
 796             g_delayedFocus->SetFocus();
 797             g_delayedFocus = NULL;
 798         }
 799     }
 800
 801     wxWindow::OnInternalIdle();
 802 }
 803
 804 // ----------------------------------------------------------------------------
 805 // frame title/icon
 806 // ----------------------------------------------------------------------------
 807
 808 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
 809 {
 810     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 811
 812     m_title = title;
 813     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
 814 }
 815
 816 void wxTopLevelWindowGTK::DoSetIcon( const wxIcon &icon )
 817 {
 818     if ( !icon.Ok() )
 819         return;
 820
 821     if (!m_widget->window)
 822         return;
 823
 824     wxMask *mask = icon.GetMask();
 825     GdkBitmap *bm = (GdkBitmap *) NULL;
 826     if (mask) bm = mask->GetBitmap();
 827
 828     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 829 }
 830
 831 void wxTopLevelWindowGTK::SetIcon( const wxIcon &icon )
 832 {
 833     SetIcons( wxIconBundle( icon ) );
 834 }
 835
 836 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
 837 {
 838     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 839     GdkWindow* window = m_widget->window;
 840
 841     wxTopLevelWindowBase::SetIcons( icons );
 842
 843     DoSetIcon( icons.GetIcon( -1 ) );
 844     if ( window )
 845     {
 846         wxSetIconsX11( (WXDisplay*)GDK_WINDOW_XDISPLAY( window ),
 847                        (WXWindow)GDK_WINDOW_XWINDOW( window ), icons );
 848     }
 849 }
 850
 851 // ----------------------------------------------------------------------------
 852 // frame state: maximized/iconized/normal
 853 // ----------------------------------------------------------------------------
 854
 855 void wxTopLevelWindowGTK::Maximize(bool WXUNUSED(maximize))
 856 {
 857     wxFAIL_MSG( _T("not implemented") );
 858 }
 859
 860 bool wxTopLevelWindowGTK::IsMaximized() const
 861 {
 862   //    wxFAIL_MSG( _T("not implemented") );
 863
 864     // This is an approximation
 865     return FALSE;
 866 }
 867
 868 void wxTopLevelWindowGTK::Restore()
 869 {
 870     wxFAIL_MSG( _T("not implemented") );
 871 }
 872
 873 void wxTopLevelWindowGTK::Iconize( bool iconize )
 874 {
 875    if (iconize)
 876    {
 877        GdkWindow *window = m_widget->window;
 878
 879        // you should do it later, for example from OnCreate() handler
 880        wxCHECK_RET( window, _T("frame not created yet - can't iconize") );
 881
 882        XIconifyWindow( GDK_WINDOW_XDISPLAY( window ),
 883                        GDK_WINDOW_XWINDOW( window ),
 884                        DefaultScreen( GDK_DISPLAY() ) );
 885    }
 886 }
 887
 888 bool wxTopLevelWindowGTK::IsIconized() const
 889 {
 890     return m_isIconized;
 891 }
 892
 893 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
 894 {
 895     if ( iconize != m_isIconized )
 896     {
 897         m_isIconized = iconize;
 898         (void)SendIconizeEvent(iconize);
 899     }
 900 }
 901
 902 void wxTopLevelWindowGTK::AddGrab()
 903 {
 904     if (!m_grabbed)
 905     {
 906         m_grabbed = TRUE;
 907         gtk_grab_add( m_widget );
 908         gtk_main();
 909         gtk_grab_remove( m_widget );
 910     }
 911 }
 912
 913 void wxTopLevelWindowGTK::RemoveGrab()
 914 {
 915     if (m_grabbed)
 916     {
 917         gtk_main_quit();
 918         m_grabbed = FALSE;
 919     }
 920 }
 921
 922 // vi:sts=4:sw=4:et