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 // ----------------------------------------------------------------------------
  42 // idle system
  43 // ----------------------------------------------------------------------------
  44
  45 extern void wxapp_install_idle_handler();
  46 extern bool g_isIdle;
  47 extern int g_openDialogs;
  48
  49 // ----------------------------------------------------------------------------
  50 // event tables
  51 // ----------------------------------------------------------------------------
  52
  53 // ----------------------------------------------------------------------------
  54 // data
  55 // ----------------------------------------------------------------------------
  56
  57 extern wxList wxPendingDelete;
  58
  59 // ----------------------------------------------------------------------------
  60 // debug
  61 // ----------------------------------------------------------------------------
  62
  63 #ifdef __WXDEBUG__
  64
  65 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  66
  67 #endif
  68
  69 // ============================================================================
  70 // implementation
  71 // ============================================================================
  72
  73 // ----------------------------------------------------------------------------
  74 // GTK callbacks
  75 // ----------------------------------------------------------------------------
  76
  77 //-----------------------------------------------------------------------------
  78 // "focus" from m_window
  79 //-----------------------------------------------------------------------------
  80
  81 static gint gtk_frame_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
  82 {
  83     if (g_isIdle)
  84         wxapp_install_idle_handler();
  85
  86     // This disables GTK's tab traversal
  87     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
  88     return TRUE;
  89 }
  90
  91 //-----------------------------------------------------------------------------
  92 // "size_allocate"
  93 //-----------------------------------------------------------------------------
  94
  95 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxTopLevelWindowGTK *win )
  96 {
  97     if (g_isIdle)
  98         wxapp_install_idle_handler();
  99
 100     if (!win->m_hasVMT)
 101         return;
 102
 103     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
 104     {
 105 /*
 106         wxPrintf( "OnSize from " );
 107         if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
 108            wxPrintf( win->GetClassInfo()->GetClassName() );
 109         wxPrintf( " %d %d %d %d\n", (int)alloc->x,
 110                                 (int)alloc->y,
 111                                 (int)alloc->width,
 112                                 (int)alloc->height );
 113 */
 114
 115         win->m_width = alloc->width;
 116         win->m_height = alloc->height;
 117         win->m_queuedFullRedraw = TRUE;
 118         win->GtkUpdateSize();
 119     }
 120 }
 121
 122 //-----------------------------------------------------------------------------
 123 // "delete_event"
 124 //-----------------------------------------------------------------------------
 125
 126 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxTopLevelWindowGTK *win )
 127 {
 128     if (g_isIdle)
 129         wxapp_install_idle_handler();
 130
 131     if (win->IsEnabled() &&
 132         (g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)))
 133         win->Close();
 134
 135     return TRUE;
 136 }
 137
 138
 139 //-----------------------------------------------------------------------------
 140 // "configure_event"
 141 //-----------------------------------------------------------------------------
 142
 143 static gint
 144 gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxTopLevelWindowGTK *win )
 145 {
 146     if (g_isIdle)
 147         wxapp_install_idle_handler();
 148
 149     if (!win->m_hasVMT)
 150         return FALSE;
 151
 152     int x = 0;
 153     int y = 0;
 154     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 155     win->m_x = x;
 156     win->m_y = y;
 157
 158     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 159     mevent.SetEventObject( win );
 160     win->GetEventHandler()->ProcessEvent( mevent );
 161
 162     return FALSE;
 163 }
 164
 165 //-----------------------------------------------------------------------------
 166 // "realize" from m_widget
 167 //-----------------------------------------------------------------------------
 168
 169 // we cannot MWM hints and icons before the widget has been realized,
 170 // so we do this directly after realization
 171
 172 static void
 173 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget), wxTopLevelWindowGTK *win )
 174 {
 175     if (g_isIdle)
 176         wxapp_install_idle_handler();
 177
 178     // All this is for Motif Window Manager "hints" and is supposed to be
 179     // recognized by other WM as well. Not tested.
 180     gdk_window_set_decorations(win->m_widget->window,
 181                                (GdkWMDecoration)win->m_gdkDecor);
 182     gdk_window_set_functions(win->m_widget->window,
 183                                (GdkWMFunction)win->m_gdkFunc);
 184
 185     // GTK's shrinking/growing policy
 186     if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
 187         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 188     else
 189         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 190
 191     // reset the icon
 192     wxIcon iconOld = win->GetIcon();
 193     if ( iconOld != wxNullIcon )
 194     {
 195         wxIcon icon( iconOld );
 196         win->SetIcon( wxNullIcon );
 197         win->SetIcon( icon );
 198     }
 199
 200     // we set the focus to the child that accepts the focus. this
 201     // doesn't really have to be done in "realize" but why not?
 202     wxWindowList::Node *node = win->GetChildren().GetFirst();
 203     while (node)
 204     {
 205         wxWindow *child = node->GetData();
 206         if (child->AcceptsFocus())
 207         {
 208             child->SetFocus();
 209             break;
 210         }
 211
 212         node = node->GetNext();
 213     }
 214 }
 215
 216 //-----------------------------------------------------------------------------
 217 // "map_event" from m_widget
 218 //-----------------------------------------------------------------------------
 219
 220 static void
 221 gtk_frame_map_callback( GtkWidget * WXUNUSED(widget),
 222                         GdkEvent * WXUNUSED(event),
 223                         wxTopLevelWindow *win )
 224 {
 225     win->SetIconizeState(FALSE);
 226 }
 227
 228 //-----------------------------------------------------------------------------
 229 // "unmap_event" from m_widget
 230 //-----------------------------------------------------------------------------
 231
 232 static void
 233 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 234                           GdkEvent * WXUNUSED(event),
 235                           wxTopLevelWindow *win )
 236 {
 237     win->SetIconizeState(TRUE);
 238 }
 239
 240 //-----------------------------------------------------------------------------
 241 // "expose_event" of m_client
 242 //-----------------------------------------------------------------------------
 243
 244 static int gtk_window_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
 245 {
 246     GtkPizza *pizza = GTK_PIZZA(widget);
 247
 248     gtk_paint_flat_box (win->m_widget->style, pizza->bin_window, GTK_STATE_NORMAL,
 249                 GTK_SHADOW_NONE, &gdk_event->area, win->m_widget, "base", 0, 0, -1, -1);
 250
 251     return TRUE;
 252 }
 253
 254 //-----------------------------------------------------------------------------
 255 // "draw" of m_client
 256 //-----------------------------------------------------------------------------
 257
 258
 259 static void gtk_window_draw_callback( GtkWidget *widget, GdkRectangle *rect, wxWindow *win )
 260 {
 261     GtkPizza *pizza = GTK_PIZZA(widget);
 262
 263     gtk_paint_flat_box (win->m_widget->style, pizza->bin_window, GTK_STATE_NORMAL,
 264                 GTK_SHADOW_NONE, rect, win->m_widget, "base", 0, 0, -1, -1);
 265 }
 266
 267 // ----------------------------------------------------------------------------
 268 // wxTopLevelWindowGTK itself
 269 // ----------------------------------------------------------------------------
 270
 271 //-----------------------------------------------------------------------------
 272 // InsertChild for wxTopLevelWindowGTK
 273 //-----------------------------------------------------------------------------
 274
 275 /* Callback for wxTopLevelWindowGTK. This very strange beast has to be used because
 276  * C++ has no virtual methods in a constructor. We have to emulate a
 277  * virtual function here as wxWindows requires different ways to insert
 278  * a child in container classes. */
 279
 280 static void wxInsertChildInTopLevelWindow( wxTopLevelWindowGTK* parent, wxWindow* child )
 281 {
 282     wxASSERT( GTK_IS_WIDGET(child->m_widget) );
 283
 284     if (!parent->m_insertInClientArea)
 285     {
 286         // these are outside the client area
 287         wxTopLevelWindowGTK* frame = (wxTopLevelWindowGTK*) parent;
 288         gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
 289                          GTK_WIDGET(child->m_widget),
 290                          child->m_x,
 291                          child->m_y,
 292                          child->m_width,
 293                          child->m_height );
 294     }
 295     else
 296     {
 297         // these are inside the client area
 298         gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 299                          GTK_WIDGET(child->m_widget),
 300                          child->m_x,
 301                          child->m_y,
 302                          child->m_width,
 303                          child->m_height );
 304     }
 305
 306     // resize on OnInternalIdle
 307     parent->GtkUpdateSize();
 308 }
 309
 310 // ----------------------------------------------------------------------------
 311 // wxTopLevelWindowGTK creation
 312 // ----------------------------------------------------------------------------
 313
 314 void wxTopLevelWindowGTK::Init()
 315 {
 316     m_sizeSet = FALSE;
 317     m_miniEdge = 0;
 318     m_miniTitle = 0;
 319     m_mainWidget = (GtkWidget*) NULL;
 320     m_insertInClientArea = TRUE;
 321     m_isFrame = TRUE;
 322     m_isIconized = FALSE;
 323     m_fsIsShowing = FALSE;
 324     m_themeEnabled = TRUE;
 325     m_gdkDecor = m_gdkFunc = 0;
 326 }
 327
 328 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 329                                   wxWindowID id,
 330                                   const wxString& title,
 331                                   const wxPoint& pos,
 332                                   const wxSize& sizeOrig,
 333                                   long style,
 334                                   const wxString &name )
 335 {
 336     // always create a frame of some reasonable, even if arbitrary, size (at
 337     // least for MSW compatibility)
 338     wxSize size = sizeOrig;
 339     if ( size.x == -1 || size.y == -1 )
 340     {
 341         wxSize sizeDpy = wxGetDisplaySize();
 342         if ( size.x == -1 )
 343             size.x = sizeDpy.x / 3;
 344         if ( size.y == -1 )
 345             size.y = sizeDpy.y / 5;
 346     }
 347
 348     wxTopLevelWindows.Append( this );
 349
 350     m_needParent = FALSE;
 351
 352     if (!PreCreation( parent, pos, size ) ||
 353         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 354     {
 355         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 356         return FALSE;
 357     }
 358
 359     m_title = title;
 360
 361     m_insertCallback = (wxInsertChildFunction) wxInsertChildInTopLevelWindow;
 362
 363     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 364
 365     if (style & wxFRAME_TOOL_WINDOW)
 366         win_type = GTK_WINDOW_POPUP;
 367
 368     if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 369         win_type = GTK_WINDOW_DIALOG;
 370
 371     m_widget = gtk_window_new( win_type );
 372
 373     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)) &&
 374         (HasFlag(wxFRAME_FLOAT_ON_PARENT) || (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)))
 375     {
 376         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 377     }
 378
 379     if (!name.IsEmpty())
 380         gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
 381
 382 #ifdef __WXDEBUG__
 383     debug_focus_in( m_widget, wxT("wxTopLevelWindowGTK::m_widget"), name );
 384 #endif
 385
 386     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
 387     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 388
 389     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 390         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 391
 392     // m_mainWidget holds the toolbar, the menubar and the client area
 393     m_mainWidget = gtk_pizza_new();
 394     gtk_widget_show( m_mainWidget );
 395     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 396     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 397
 398     // for m_mainWidget themes
 399     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 400                 GTK_SIGNAL_FUNC(gtk_window_expose_callback), (gpointer)this );
 401     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 402                 GTK_SIGNAL_FUNC(gtk_window_draw_callback), (gpointer)this );
 403
 404 #ifdef __WXDEBUG__
 405     debug_focus_in( m_mainWidget, wxT("wxTopLevelWindowGTK::m_mainWidget"), name );
 406 #endif
 407
 408     // m_wxwindow only represents the client area without toolbar and menubar
 409     m_wxwindow = gtk_pizza_new();
 410     gtk_widget_show( m_wxwindow );
 411     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 412
 413 #ifdef __WXDEBUG__
 414     debug_focus_in( m_wxwindow, wxT("wxTopLevelWindowGTK::m_wxwindow"), name );
 415 #endif
 416
 417     // we donm't allow the frame to get the focus as otherwise
 418     // the frame will grab it at arbitrary focus changes
 419     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 420
 421     if (m_parent) m_parent->AddChild( this );
 422
 423     // the user resized the frame by dragging etc.
 424     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 425         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 426
 427     PostCreation();
 428
 429     if ((m_x != -1) || (m_y != -1))
 430         gtk_widget_set_uposition( m_widget, m_x, m_y );
 431
 432     gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 433
 434     //  we cannot set MWM hints and icons before the widget has
 435     //  been realized, so we do this directly after realization
 436     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 437                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 438
 439     // the only way to get the window size is to connect to this event
 440     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 441         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 442
 443     // map and unmap for iconized state
 444     gtk_signal_connect( GTK_OBJECT(m_widget), "map_event",
 445         GTK_SIGNAL_FUNC(gtk_frame_map_callback), (gpointer)this );
 446     gtk_signal_connect( GTK_OBJECT(m_widget), "unmap_event",
 447         GTK_SIGNAL_FUNC(gtk_frame_unmap_callback), (gpointer)this );
 448
 449     // the only way to get the window size is to connect to this event
 450     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 451         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 452
 453     // disable native tab traversal
 454     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 455         GTK_SIGNAL_FUNC(gtk_frame_focus_callback), (gpointer)this );
 456
 457     // decorations
 458     if ((m_miniEdge > 0) || (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 459     {
 460         m_gdkDecor = 0;
 461         m_gdkFunc = 0;
 462     }
 463     else
 464     {
 465         m_gdkDecor = (long) GDK_DECOR_BORDER;
 466         m_gdkFunc = (long) GDK_FUNC_MOVE;
 467
 468         // All this is for Motif Window Manager "hints" and is supposed to be
 469         // recognized by other WMs as well.
 470         if ((style & wxCAPTION) != 0)
 471             m_gdkDecor |= GDK_DECOR_TITLE;
 472         if ((style & wxSYSTEM_MENU) != 0)
 473         {
 474             m_gdkFunc |= GDK_FUNC_CLOSE;
 475             m_gdkDecor |= GDK_DECOR_MENU;
 476         }
 477         if ((style & wxMINIMIZE_BOX) != 0)
 478         {
 479             m_gdkFunc |= GDK_FUNC_MINIMIZE;
 480             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 481         }
 482         if ((style & wxMAXIMIZE_BOX) != 0)
 483         {
 484             m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 485             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 486         }
 487         if ((style & wxRESIZE_BORDER) != 0)
 488         {
 489            m_gdkFunc |= GDK_FUNC_RESIZE;
 490            m_gdkDecor |= GDK_DECOR_RESIZEH;
 491         }
 492     }
 493
 494     return TRUE;
 495 }
 496
 497 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 498 {
 499     m_isBeingDeleted = TRUE;
 500
 501     wxTopLevelWindows.DeleteObject( this );
 502
 503     if (wxTheApp->GetTopWindow() == this)
 504         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 505
 506     if ((wxTopLevelWindows.Number() == 0) &&
 507         (wxTheApp->GetExitOnFrameDelete()))
 508     {
 509         wxTheApp->ExitMainLoop();
 510     }
 511 }
 512
 513 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long style )
 514 {
 515     if (show == m_fsIsShowing) return FALSE; // return what?
 516
 517     m_fsIsShowing = show;
 518
 519     if (show)
 520     {
 521         m_fsSaveGdkFunc = m_gdkFunc;
 522         m_fsSaveGdkDecor = m_gdkDecor;
 523         m_fsSaveFlag = style;
 524         GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 525         GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 526
 527         gtk_widget_hide( m_widget );
 528         gtk_widget_unrealize( m_widget );
 529
 530         m_gdkDecor = (long) GDK_DECOR_BORDER;
 531         m_gdkFunc = (long) GDK_FUNC_MOVE;
 532
 533         int x;
 534         int y;
 535         wxDisplaySize( &x, &y );
 536         SetSize( 0, 0, x, y );
 537
 538         gtk_widget_realize( m_widget );
 539         gtk_widget_show( m_widget );
 540     }
 541     else
 542     {
 543         gtk_widget_hide( m_widget );
 544         gtk_widget_unrealize( m_widget );
 545
 546         m_gdkFunc = m_fsSaveGdkFunc;
 547         m_gdkDecor = m_fsSaveGdkDecor;
 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 wxTopLevelWindowGTK::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 wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 580 {
 581     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 582 }
 583
 584 void wxTopLevelWindowGTK::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         if (m_widget->window)
 645             gdk_window_resize( m_widget->window, m_width, m_height );
 646         else
 647             gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 648
 649         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 650            done either directly before the frame is shown or in idle time
 651            so that different calls to SetSize() don't lead to flicker. */
 652         m_sizeSet = FALSE;
 653     }
 654
 655     m_resizing = FALSE;
 656 }
 657
 658 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 659 {
 660     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 661
 662     wxWindow::DoGetClientSize( width, height );
 663     if (height)
 664     {
 665         // mini edge
 666         *height -= m_miniEdge*2 + m_miniTitle;
 667     }
 668     if (width)
 669     {
 670         *width -= m_miniEdge*2;
 671     }
 672 }
 673
 674 void wxTopLevelWindowGTK::DoSetClientSize( int width, int height )
 675 {
 676     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 677
 678     DoSetSize(-1, -1,
 679               width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle, 0);
 680 }
 681
 682 void wxTopLevelWindowGTK::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
 683                                      int width, int height )
 684 {
 685     // due to a bug in gtk, x,y are always 0
 686     // m_x = x;
 687     // m_y = y;
 688
 689     // avoid recursions
 690     if (m_resizing) return;
 691     m_resizing = TRUE;
 692
 693     if ( m_wxwindow == NULL ) return;
 694
 695     m_width = width;
 696     m_height = height;
 697
 698     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 699        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 700        set in wxFrame::Create so it is used to check what kind of frame we
 701        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 702        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 703        importantly) m_mainWidget */
 704
 705     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 706     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 707     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 708     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 709
 710     if (m_mainWidget)
 711     {
 712         // set size hints
 713         gint flag = 0; // GDK_HINT_POS;
 714         if ((m_minWidth != -1) || (m_minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 715         if ((m_maxWidth != -1) || (m_maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 716         GdkGeometry geom;
 717         geom.min_width = m_minWidth;
 718         geom.min_height = m_minHeight;
 719         geom.max_width = m_maxWidth;
 720         geom.max_height = m_maxHeight;
 721         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
 722                                        (GtkWidget*) NULL,
 723                                        &geom,
 724                                        (GdkWindowHints) flag );
 725
 726         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
 727          * menubar, the toolbar and the client area, which is represented by
 728          * m_wxwindow.
 729          * this hurts in the eye, but I don't want to call SetSize()
 730          * because I don't want to call any non-native functions here. */
 731
 732         int client_x = m_miniEdge;
 733         int client_y = m_miniEdge + m_miniTitle;
 734         int client_w = m_width - 2*m_miniEdge;
 735         int client_h = m_height - 2*m_miniEdge - m_miniTitle;
 736         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 737                               m_wxwindow,
 738                               client_x, client_y, client_w, client_h );
 739     }
 740     else
 741     {
 742         // If there is no m_mainWidget between m_widget and m_wxwindow there
 743         // is no need to set the size or position of m_wxwindow.
 744     }
 745
 746     m_sizeSet = TRUE;
 747
 748     // send size event to frame
 749     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 750     event.SetEventObject( this );
 751     GetEventHandler()->ProcessEvent( event );
 752
 753     m_resizing = FALSE;
 754 }
 755
 756 void wxTopLevelWindowGTK::OnInternalIdle()
 757 {
 758     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 759     {
 760         GtkOnSize( m_x, m_y, m_width, m_height );
 761
 762         // we'll come back later
 763         if (g_isIdle)
 764             wxapp_install_idle_handler();
 765         return;
 766     }
 767
 768     wxWindow::OnInternalIdle();
 769 }
 770
 771
 772 // ----------------------------------------------------------------------------
 773 // frame title/icon
 774 // ----------------------------------------------------------------------------
 775
 776 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
 777 {
 778     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 779
 780     m_title = title;
 781     gtk_window_set_title( GTK_WINDOW(m_widget), title.mbc_str() );
 782 }
 783
 784 void wxTopLevelWindowGTK::SetIcon( const wxIcon &icon )
 785 {
 786     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 787
 788     wxTopLevelWindowBase::SetIcon(icon);
 789
 790     if ( !m_icon.Ok() )
 791         return;
 792
 793     if (!m_widget->window)
 794         return;
 795
 796     wxMask *mask = icon.GetMask();
 797     GdkBitmap *bm = (GdkBitmap *) NULL;
 798     if (mask) bm = mask->GetBitmap();
 799
 800     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 801 }
 802
 803 // ----------------------------------------------------------------------------
 804 // frame state: maximized/iconized/normal
 805 // ----------------------------------------------------------------------------
 806
 807 void wxTopLevelWindowGTK::Maximize(bool WXUNUSED(maximize))
 808 {
 809     wxFAIL_MSG( _T("not implemented") );
 810 }
 811
 812 bool wxTopLevelWindowGTK::IsMaximized() const
 813 {
 814   //    wxFAIL_MSG( _T("not implemented") );
 815
 816     // This is an approximation
 817     return FALSE;
 818 }
 819
 820 void wxTopLevelWindowGTK::Restore()
 821 {
 822     wxFAIL_MSG( _T("not implemented") );
 823 }
 824
 825 void wxTopLevelWindowGTK::Iconize( bool iconize )
 826 {
 827    if (iconize)
 828    {
 829        GdkWindow *window = m_widget->window;
 830
 831        // you should do it later, for example from OnCreate() handler
 832        wxCHECK_RET( window, _T("frame not created yet - can't iconize") );
 833
 834        XIconifyWindow( GDK_WINDOW_XDISPLAY( window ),
 835                        GDK_WINDOW_XWINDOW( window ),
 836                        DefaultScreen( GDK_DISPLAY() ) );
 837    }
 838 }
 839
 840 bool wxTopLevelWindowGTK::IsIconized() const
 841 {
 842     return m_isIconized;
 843 }
 844
 845 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
 846 {
 847     if ( iconize != m_isIconized )
 848     {
 849         m_isIconized = iconize;
 850         (void)SendIconizeEvent(iconize);
 851     }
 852 }
 853