X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5f346ddc0a4233f78c22a4f7a0501d9779732789..fada8bef05c36e3bae29f9442f8d32b024905207:/src/gtk/window.cpp diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index 33aa52e10a..7fc84be912 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -40,6 +40,29 @@ #include #include +#if !GTK_CHECK_VERSION(2,10,0) + // GTK+ can reliably detect Meta key state only since 2.10 when + // GDK_META_MASK was introduced -- there wasn't any way to detect it + // in older versions. wxGTK used GDK_MOD2_MASK for this purpose, but + // GDK_MOD2_MASK is documented as: + // + // the fifth modifier key (it depends on the modifier mapping of the X + // server which key is interpreted as this modifier) + // + // In other words, it isn't guaranteed to map to Meta. This is a real + // problem: it is common to map NumLock to it (in fact, it's an exception + // if the X server _doesn't_ use it for NumLock). So the old code caused + // wxKeyEvent::MetaDown() to always return true as long as NumLock was on + // on many systems, which broke all applications using + // wxKeyEvent::GetModifiers() to check modifiers state (see e.g. here: + // http://tinyurl.com/56lsk2). + // + // Because of this, it's better to not detect Meta key state at all than + // to detect it incorrectly. Hence the following #define, which causes + // m_metaDown to be always set to false. + #define GDK_META_MASK 0 +#endif + //----------------------------------------------------------------------------- // documentation on internals //----------------------------------------------------------------------------- @@ -182,18 +205,22 @@ extern wxCursor g_globalCursor; // mouse capture state: the window which has it and if the mouse is currently // inside it -static wxWindowGTK *g_captureWindow = (wxWindowGTK*) NULL; +static wxWindowGTK *g_captureWindow = NULL; static bool g_captureWindowHasMouse = false; -wxWindowGTK *g_focusWindow = (wxWindowGTK*) NULL; +// The window that currently has focus: +static wxWindowGTK *gs_currentFocus = NULL; +// The window that is scheduled to get focus in the next event loop iteration +// or NULL if there's no pending focus change: +static wxWindowGTK *gs_pendingFocus = NULL; -// If a window get the focus set but has not been realized -// yet, defer setting the focus to idle time. -wxWindowGTK *g_delayedFocus = (wxWindowGTK*) NULL; +// the window that has deferred focus-out event pending, if any (see +// GTKAddDeferredFocusOut() for details) +static wxWindowGTK *gs_deferredFocusOut = NULL; // global variables because GTK+ DnD want to have the // mouse event that caused it -GdkEvent *g_lastMouseEvent = (GdkEvent*) NULL; +GdkEvent *g_lastMouseEvent = NULL; int g_lastButtonNumber = 0; //----------------------------------------------------------------------------- @@ -225,43 +252,16 @@ gdk_window_warp_pointer (GdkWindow *window, } } -//----------------------------------------------------------------------------- -// local code (see below) -//----------------------------------------------------------------------------- - -// returns the child of win which currently has focus or NULL if not found -// -// Note: can't be static, needed by textctrl.cpp. -wxWindow *wxFindFocusedChild(wxWindowGTK *win) -{ - wxWindow *winFocus = wxWindowGTK::FindFocus(); - if ( !winFocus ) - return (wxWindow *)NULL; - - if ( winFocus == win ) - return (wxWindow *)win; - - for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst(); - node; - node = node->GetNext() ) - { - wxWindow *child = wxFindFocusedChild(node->GetData()); - if ( child ) - return child; - } - - return (wxWindow *)NULL; -} //----------------------------------------------------------------------------- // "size_request" of m_widget //----------------------------------------------------------------------------- -// make it extern because wxStaticText needs to disconnect this one extern "C" { -void wxgtk_window_size_request_callback(GtkWidget * WXUNUSED(widget), - GtkRequisition *requisition, - wxWindow * win) +static void +wxgtk_window_size_request_callback(GtkWidget * WXUNUSED(widget), + GtkRequisition *requisition, + wxWindow * win) { int w, h; win->GetSize( &w, &h ); @@ -281,76 +281,45 @@ void wxgtk_window_size_request_callback(GtkWidget * WXUNUSED(widget), extern "C" { static gboolean -gtk_window_expose_callback( GtkWidget*, +gtk_window_expose_callback( GtkWidget* widget, GdkEventExpose *gdk_event, wxWindow *win ) { -#if 0 - if (win->GetName()) + if (gdk_event->window == widget->window) { - wxPrintf( wxT("OnExpose from ") ); - if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) - wxPrintf( win->GetClassInfo()->GetClassName() ); - wxPrintf( wxT(" %d %d %d %d\n"), (int)gdk_event->area.x, - (int)gdk_event->area.y, - (int)gdk_event->area.width, - (int)gdk_event->area.height ); + win->GetUpdateRegion() = wxRegion( gdk_event->region ); + win->GtkSendPaintEvents(); } - - gtk_paint_box - ( - win->m_wxwindow->style, - pizza->bin_window, - GTK_STATE_NORMAL, - GTK_SHADOW_OUT, - (GdkRectangle*) NULL, - win->m_wxwindow, - (char *)"button", // const_cast - 20,20,24,24 - ); -#endif - - win->GetUpdateRegion() = wxRegion( gdk_event->region ); - - win->GtkSendPaintEvents(); - // Let parent window draw window-less widgets return FALSE; } } +#ifndef __WXUNIVERSAL__ //----------------------------------------------------------------------------- -// "expose_event" from m_widget, for drawing border +// "expose_event" from m_wxwindow->parent, for drawing border //----------------------------------------------------------------------------- -#ifndef __WXUNIVERSAL__ - -GtkWidget* GetEntryWidget(); - extern "C" { static gboolean expose_event_border(GtkWidget* widget, GdkEventExpose* gdk_event, wxWindow* win) { - // if this event is not for the GdkWindow the border is drawn on - if (win->m_wxwindow == win->m_widget && gdk_event->window == widget->window) + if (gdk_event->window != widget->window) + return false; + + const GtkAllocation& alloc = win->m_wxwindow->allocation; + const int x = alloc.x; + const int y = alloc.y; + const int w = alloc.width; + const int h = alloc.height; + + if (w <= 0 || h <= 0) return false; - int x = 0; - int y = 0; - // GtkScrolledWindow is GTK_NO_WINDOW - if (GTK_WIDGET_NO_WINDOW(widget)) - { - x = widget->allocation.x; - y = widget->allocation.y; - } - int w = win->m_wxwindow->allocation.width; - int h = win->m_wxwindow->allocation.height; if (win->HasFlag(wxBORDER_SIMPLE)) { - GdkGC* gc = gdk_gc_new(gdk_event->window); - gdk_gc_set_foreground(gc, &widget->style->black); - gdk_draw_rectangle(gdk_event->window, gc, false, x, y, w - 1, h - 1); - g_object_unref(gc); + gdk_draw_rectangle(gdk_event->window, + widget->style->black_gc, false, x, y, w - 1, h - 1); } else { @@ -360,21 +329,39 @@ expose_event_border(GtkWidget* widget, GdkEventExpose* gdk_event, wxWindow* win) // Style detail to use const char* detail; - if (widget == win->m_wxwindow) + if (win->m_widget == win->m_wxwindow) // for non-scrollable wxWindows detail = "entry"; else // for scrollable ones detail = "viewport"; - GtkWidget* styleWidget = GetEntryWidget(); gtk_paint_shadow( - styleWidget->style, gdk_event->window, GTK_STATE_NORMAL, - shadow, NULL, styleWidget, detail, x, y, w, h); + win->m_wxwindow->style, gdk_event->window, GTK_STATE_NORMAL, + shadow, NULL, wxGTKPrivate::GetEntryWidget(), detail, x, y, w, h); } + return false; +} +} + +//----------------------------------------------------------------------------- +// "parent_set" from m_wxwindow +//----------------------------------------------------------------------------- - // no further painting is needed for border-only GdkWindow - return win->m_wxwindow == win->m_widget; +extern "C" { +static void +parent_set(GtkWidget* widget, GtkObject* old_parent, wxWindow* win) +{ + if (old_parent) + { + g_signal_handlers_disconnect_by_func( + old_parent, (void*)expose_event_border, win); + } + if (widget->parent) + { + g_signal_connect_after(widget->parent, "expose_event", + G_CALLBACK(expose_event_border), win); + } } } #endif // !__WXUNIVERSAL__ @@ -547,11 +534,11 @@ static long wxTranslateKeySymToWXKey(KeySym keysym, bool isChar) case GDK_KP_7: case GDK_KP_8: case GDK_KP_9: - key_code = (isChar ? '0' : WXK_NUMPAD0) + keysym - GDK_KP_0; + key_code = (isChar ? '0' : int(WXK_NUMPAD0)) + keysym - GDK_KP_0; break; case GDK_KP_Space: - key_code = isChar ? ' ' : WXK_NUMPAD_SPACE; + key_code = isChar ? ' ' : int(WXK_NUMPAD_SPACE); break; case GDK_KP_Tab: @@ -623,32 +610,32 @@ static long wxTranslateKeySymToWXKey(KeySym keysym, bool isChar) break; case GDK_KP_Equal: - key_code = isChar ? '=' : WXK_NUMPAD_EQUAL; + key_code = isChar ? '=' : int(WXK_NUMPAD_EQUAL); break; case GDK_KP_Multiply: - key_code = isChar ? '*' : WXK_NUMPAD_MULTIPLY; + key_code = isChar ? '*' : int(WXK_NUMPAD_MULTIPLY); break; case GDK_KP_Add: - key_code = isChar ? '+' : WXK_NUMPAD_ADD; + key_code = isChar ? '+' : int(WXK_NUMPAD_ADD); break; case GDK_KP_Separator: // FIXME: what is this? - key_code = isChar ? '.' : WXK_NUMPAD_SEPARATOR; + key_code = isChar ? '.' : int(WXK_NUMPAD_SEPARATOR); break; case GDK_KP_Subtract: - key_code = isChar ? '-' : WXK_NUMPAD_SUBTRACT; + key_code = isChar ? '-' : int(WXK_NUMPAD_SUBTRACT); break; case GDK_KP_Decimal: - key_code = isChar ? '.' : WXK_NUMPAD_DECIMAL; + key_code = isChar ? '.' : int(WXK_NUMPAD_DECIMAL); break; case GDK_KP_Divide: - key_code = isChar ? '/' : WXK_NUMPAD_DIVIDE; + key_code = isChar ? '/' : int(WXK_NUMPAD_DIVIDE); break; @@ -695,7 +682,7 @@ static void wxFillOtherKeyEventFields(wxKeyEvent& event, event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK) != 0; event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK) != 0; event.m_altDown = (gdk_event->state & GDK_MOD1_MASK) != 0; - event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK) != 0; + event.m_metaDown = (gdk_event->state & GDK_META_MASK) != 0; event.m_scanCode = gdk_event->keyval; event.m_rawCode = (wxUint32) gdk_event->keyval; event.m_rawFlags = 0; @@ -837,7 +824,7 @@ struct wxGtkIMData extern "C" { static gboolean -gtk_window_key_press_callback( GtkWidget *widget, +gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget), GdkEventKey *gdk_event, wxWindow *win ) { @@ -846,12 +833,6 @@ gtk_window_key_press_callback( GtkWidget *widget, if (g_blockEventsOnDrag) return FALSE; - // GTK+ sends keypress events to the focus widget and then - // to all its parent and grandparent widget. We only want - // the key events from the focus widget. - if (!GTK_WIDGET_HAS_FOCUS(widget)) - return FALSE; - wxKeyEvent event( wxEVT_KEY_DOWN ); bool ret = false; bool return_after_IM = false; @@ -894,8 +875,18 @@ gtk_window_key_press_callback( GtkWidget *widget, int command = ancestor->GetAcceleratorTable()->GetCommand( event ); if (command != -1) { - wxCommandEvent command_event( wxEVT_COMMAND_MENU_SELECTED, command ); - ret = ancestor->HandleWindowEvent( command_event ); + wxCommandEvent menu_event( wxEVT_COMMAND_MENU_SELECTED, command ); + ret = ancestor->HandleWindowEvent( menu_event ); + + if ( !ret ) + { + // if the accelerator wasn't handled as menu event, try + // it as button click (for compatibility with other + // platforms): + wxCommandEvent button_event( wxEVT_COMMAND_BUTTON_CLICKED, command ); + ret = ancestor->HandleWindowEvent( button_event ); + } + break; } if (ancestor->IsTopLevel()) @@ -1087,7 +1078,7 @@ template void InitMouseEvent(wxWindowGTK *win, event.m_shiftDown = gdk_event->state & GDK_SHIFT_MASK; event.m_controlDown = gdk_event->state & GDK_CONTROL_MASK; event.m_altDown = gdk_event->state & GDK_MOD1_MASK; - event.m_metaDown = gdk_event->state & GDK_MOD2_MASK; + event.m_metaDown = gdk_event->state & GDK_META_MASK; event.m_leftDown = gdk_event->state & GDK_BUTTON1_MASK; event.m_middleDown = gdk_event->state & GDK_BUTTON2_MASK; event.m_rightDown = gdk_event->state & GDK_BUTTON3_MASK; @@ -1191,7 +1182,7 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y) } else { - if ((child->m_wxwindow == (GtkWidget*) NULL) && + if ((child->m_wxwindow == NULL) && (child->m_x <= xx) && (child->m_y <= yy) && (child->m_x+child->m_width >= xx) && @@ -1253,21 +1244,6 @@ wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventCrossing) if ( rc != -1 ) \ return rc -// send the wxChildFocusEvent and wxFocusEvent, common code of -// gtk_window_focus_in_callback() and SetFocus() -static bool DoSendFocusEvents(wxWindow *win) -{ - // Notify the parent keeping track of focus for the kbd navigation - // purposes that we got it. - wxChildFocusEvent eventChildFocus(win); - (void)win->HandleWindowEvent(eventChildFocus); - - wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId()); - eventFocus.SetEventObject(win); - - return win->HandleWindowEvent(eventFocus); -} - // all event handlers must have C linkage as they're called from GTK+ C code extern "C" { @@ -1412,7 +1388,7 @@ gtk_window_button_press_callback( GtkWidget *widget, return TRUE; if ((event_type == wxEVT_LEFT_DOWN) && !win->IsOfStandardClass() && - (g_focusWindow != win) /* && win->IsFocusable() */) + (gs_currentFocus != win) /* && win->IsFocusable() */) { win->SetFocus(); } @@ -1571,6 +1547,38 @@ gtk_window_motion_notify_callback( GtkWidget * WXUNUSED(widget), // "scroll_event" (mouse wheel event) //----------------------------------------------------------------------------- +static gboolean +window_scroll_event_hscrollbar(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) +{ + if (gdk_event->direction != GDK_SCROLL_LEFT && + gdk_event->direction != GDK_SCROLL_RIGHT) + { + return false; + } + + wxMouseEvent event(wxEVT_MOUSEWHEEL); + InitMouseEvent(win, event, gdk_event); + + GtkRange *range = win->m_scrollBar[wxWindow::ScrollDir_Horz]; + if (!range) return FALSE; + + if (range && GTK_WIDGET_VISIBLE (range)) + { + GtkAdjustment *adj = range->adjustment; + gdouble delta = adj->step_increment * 3; + if (gdk_event->direction == GDK_SCROLL_LEFT) + delta = -delta; + + gdouble new_value = CLAMP (adj->value + delta, adj->lower, adj->upper - adj->page_size); + + gtk_adjustment_set_value (adj, new_value); + + return TRUE; + } + + return FALSE; +} + static gboolean window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) { @@ -1591,7 +1599,27 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) else event.m_wheelRotation = -120; - return win->GTKProcessEvent(event); + if (win->GTKProcessEvent(event)) + return TRUE; + + GtkRange *range = win->m_scrollBar[wxWindow::ScrollDir_Vert]; + if (!range) return FALSE; + + if (range && GTK_WIDGET_VISIBLE (range)) + { + GtkAdjustment *adj = range->adjustment; + gdouble delta = adj->step_increment * 3; + if (gdk_event->direction == GDK_SCROLL_UP) + delta = -delta; + + gdouble new_value = CLAMP (adj->value + delta, adj->lower, adj->upper - adj->page_size); + + gtk_adjustment_set_value (adj, new_value); + + return TRUE; + } + + return FALSE; } //----------------------------------------------------------------------------- @@ -1612,44 +1640,9 @@ static gboolean wxgtk_window_popup_menu_callback(GtkWidget*, wxWindowGTK* win) static gboolean gtk_window_focus_in_callback( GtkWidget * WXUNUSED(widget), GdkEventFocus *WXUNUSED(event), - wxWindow *win ) + wxWindowGTK *win ) { - if (win->m_imData) - gtk_im_context_focus_in(win->m_imData->context); - - g_focusWindow = win; - - wxLogTrace(TRACE_FOCUS, - _T("%s: focus in"), win->GetName().c_str()); - -#if wxUSE_CARET - // caret needs to be informed about focus change - wxCaret *caret = win->GetCaret(); - if ( caret ) - { - caret->OnSetFocus(); - } -#endif // wxUSE_CARET - - gboolean ret = FALSE; - - // does the window itself think that it has the focus? - if ( !win->m_hasFocus ) - { - // not yet, notify it - win->m_hasFocus = true; - - (void)DoSendFocusEvents(win); - - ret = TRUE; - } - - // Disable default focus handling for custom windows - // since the default GTK+ handler issues a repaint - if (win->m_wxwindow) - return ret; - - return FALSE; + return win->GTKHandleFocusIn(); } //----------------------------------------------------------------------------- @@ -1661,53 +1654,13 @@ gtk_window_focus_out_callback( GtkWidget * WXUNUSED(widget), GdkEventFocus * WXUNUSED(gdk_event), wxWindowGTK *win ) { - if (win->m_imData) - gtk_im_context_focus_out(win->m_imData->context); - - wxLogTrace( TRACE_FOCUS, - _T("%s: focus out"), win->GetName().c_str() ); - - - wxWindowGTK *winFocus = wxFindFocusedChild(win); - if ( winFocus ) - win = winFocus; - - g_focusWindow = (wxWindowGTK *)NULL; - -#if wxUSE_CARET - // caret needs to be informed about focus change - wxCaret *caret = win->GetCaret(); - if ( caret ) - { - caret->OnKillFocus(); - } -#endif // wxUSE_CARET - - // don't send the window a kill focus event if it thinks that it doesn't - // have focus already - if ( win->m_hasFocus ) - { - // the event handler might delete the window when it loses focus, so - // check whether this is a custom window before calling it - const bool has_wxwindow = win->m_wxwindow != NULL; - - win->m_hasFocus = false; - - wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() ); - event.SetEventObject( win ); - - (void)win->GTKProcessEvent( event ); - - // Disable default focus handling for custom windows - // since the default GTK+ handler issues a repaint - if ( has_wxwindow ) - return TRUE; - } - - // continue with normal processing - return FALSE; + return win->GTKHandleFocusOut(); } +//----------------------------------------------------------------------------- +// "focus" +//----------------------------------------------------------------------------- + static gboolean wx_window_focus_callback(GtkWidget *widget, GtkDirectionType WXUNUSED(direction), @@ -2006,33 +1959,23 @@ public: wxWindow *wxWindowBase::DoFindFocus() { + wxWindowGTK *focus = gs_pendingFocus ? gs_pendingFocus : gs_currentFocus; // the cast is necessary when we compile in wxUniversal mode - return (wxWindow *)g_focusWindow; + return static_cast(focus); } -//----------------------------------------------------------------------------- -// InsertChild for wxWindowGTK. -//----------------------------------------------------------------------------- - -/* Callback for wxWindowGTK. This very strange beast has to be used because - * C++ has no virtual methods in a constructor. We have to emulate a - * virtual function here as wxNotebook requires a different way to insert - * a child in it. I had opted for creating a wxNotebookPage window class - * which would have made this superfluous (such in the MDI window system), - * but no-one was listening to me... */ - -static void wxInsertChildInWindow( wxWindowGTK* parent, wxWindowGTK* child ) +void wxWindowGTK::AddChildGTK(wxWindowGTK* child) { /* the window might have been scrolled already, do we have to adapt the position */ - wxPizza* pizza = WX_PIZZA(parent->m_wxwindow); + wxPizza* pizza = WX_PIZZA(m_wxwindow); child->m_x += pizza->m_scroll_x; child->m_y += pizza->m_scroll_y; gtk_widget_set_size_request( child->m_widget, child->m_width, child->m_height); gtk_fixed_put( - GTK_FIXED(parent->m_wxwindow), child->m_widget, child->m_x, child->m_y); + GTK_FIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y); } //----------------------------------------------------------------------------- @@ -2066,7 +2009,7 @@ wxMouseState wxGetMouseState() ms.SetControlDown(mask & GDK_CONTROL_MASK); ms.SetShiftDown(mask & GDK_SHIFT_MASK); ms.SetAltDown(mask & GDK_MOD1_MASK); - ms.SetMetaDown(mask & GDK_MOD2_MASK); + ms.SetMetaDown(mask & GDK_META_MASK); return ms; } @@ -2086,9 +2029,9 @@ wxMouseState wxGetMouseState() void wxWindowGTK::Init() { // GTK specific - m_widget = (GtkWidget *) NULL; - m_wxwindow = (GtkWidget *) NULL; - m_focusWidget = (GtkWidget *) NULL; + m_widget = NULL; + m_wxwindow = NULL; + m_focusWidget = NULL; // position/size m_x = 0; @@ -2097,9 +2040,8 @@ void wxWindowGTK::Init() m_height = 0; m_hasVMT = false; - m_isBeingDeleted = false; - m_showOnIdle= false; + m_showOnIdle = false; m_noExpose = false; m_nativeSizeEvent = false; @@ -2117,10 +2059,6 @@ void wxWindowGTK::Init() m_oldClientWidth = m_oldClientHeight = 0; - m_insertCallback = wxInsertChildInWindow; - - m_hasFocus = false; - m_clipPaintRegion = false; m_needsStyleChange = false; @@ -2157,6 +2095,7 @@ bool wxWindowGTK::Create( wxWindow *parent, { // Get default border wxBorder border = GetBorder(style); + style &= ~wxBORDER_MASK; style |= border; @@ -2167,19 +2106,29 @@ bool wxWindowGTK::Create( wxWindow *parent, return false; } + // We should accept the native look +#if 0 + GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) ); + scroll_class->scrollbar_spacing = 0; +#endif - m_wxwindow = wxPizza::New(m_windowStyle); + + m_wxwindow = wxPizza::New(m_windowStyle,this); +#ifndef __WXUNIVERSAL__ + if (HasFlag(wxPizza::BORDER_STYLES)) + { + g_signal_connect(m_wxwindow, "parent_set", + G_CALLBACK(parent_set), this); + } +#endif if (!HasFlag(wxHSCROLL) && !HasFlag(wxVSCROLL)) m_widget = m_wxwindow; else { - m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); + m_widget = gtk_scrolled_window_new( NULL, NULL ); GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget); - GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) ); - scroll_class->scrollbar_spacing = 0; - // There is a conflict with default bindings at GTK+ // level between scrolled windows and notebooks both of which want to use // Ctrl-PageUp/Down: scrolled windows for scrolling in the horizontal @@ -2238,12 +2187,15 @@ bool wxWindowGTK::Create( wxWindow *parent, gtk_widget_show( m_wxwindow ); } + g_object_ref(m_widget); if (m_parent) m_parent->DoAddChild( this ); m_focusWidget = m_wxwindow; + SetCanFocus(AcceptsFocus()); + PostCreation(); return true; @@ -2253,13 +2205,14 @@ wxWindowGTK::~wxWindowGTK() { SendDestroyEvent(); - if (g_focusWindow == this) - g_focusWindow = NULL; + if (gs_currentFocus == this) + gs_currentFocus = NULL; + if (gs_pendingFocus == this) + gs_pendingFocus = NULL; - if ( g_delayedFocus == this ) - g_delayedFocus = NULL; + if ( gs_deferredFocusOut == this ) + gs_deferredFocusOut = NULL; - m_isBeingDeleted = true; m_hasVMT = false; // destroy children before destroying this window itself @@ -2283,17 +2236,17 @@ wxWindowGTK::~wxWindowGTK() // delete before the widgets to avoid a crash on solaris delete m_imData; - if (m_wxwindow && (m_wxwindow != m_widget)) - { - gtk_widget_destroy( m_wxwindow ); - m_wxwindow = (GtkWidget*) NULL; - } - if (m_widget) { - gtk_widget_destroy( m_widget ); - m_widget = (GtkWidget*) NULL; + // Note that gtk_widget_destroy() does not destroy the widget, it just + // emits the "destroy" signal. The widget is not actually destroyed + // until its reference count drops to zero. + gtk_widget_destroy(m_widget); + // Release our reference, should be the last one + g_object_unref(m_widget); + m_widget = NULL; } + m_wxwindow = NULL; } bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size ) @@ -2339,15 +2292,6 @@ void wxWindowGTK::PostCreation() g_signal_connect (m_imData->context, "commit", G_CALLBACK (gtk_wxwindow_commit_cb), this); - - // border drawing -#ifndef __WXUNIVERSAL__ - if (HasFlag(wxPizza::BORDER_STYLES)) - { - g_signal_connect(m_widget, "expose_event", - G_CALLBACK(expose_event_border), this); - } -#endif } // focus handling @@ -2466,8 +2410,16 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget ) G_CALLBACK (gtk_window_button_release_callback), this); g_signal_connect (widget, "motion_notify_event", G_CALLBACK (gtk_window_motion_notify_callback), this); + g_signal_connect (widget, "scroll_event", G_CALLBACK (window_scroll_event), this); + if (m_scrollBar[ScrollDir_Horz]) + g_signal_connect (m_scrollBar[ScrollDir_Horz], "scroll_event", + G_CALLBACK (window_scroll_event_hscrollbar), this); + if (m_scrollBar[ScrollDir_Vert]) + g_signal_connect (m_scrollBar[ScrollDir_Vert], "scroll_event", + G_CALLBACK (window_scroll_event), this); + g_signal_connect (widget, "popup_menu", G_CALLBACK (wxgtk_window_popup_menu_callback), this); g_signal_connect (widget, "enter_notify_event", @@ -2543,8 +2495,6 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags if (height != -1) m_height = height; - ConstrainSize(); - if (m_parent->m_wxwindow) { wxPizza* pizza = WX_PIZZA(m_parent->m_wxwindow); @@ -2616,6 +2566,9 @@ bool wxWindowGTK::GtkShowFromOnIdle() void wxWindowGTK::OnInternalIdle() { + if ( gs_deferredFocusOut ) + GTKHandleDeferredFocusOut(); + // Check if we have to show window now if (GtkShowFromOnIdle()) return; @@ -2693,21 +2646,50 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const int w = m_width; int h = m_height; - if (m_wxwindow) + if ( m_wxwindow ) { // if window is scrollable, account for scrollbars - for (int i = 0; i < 2 && m_scrollBar[i]; i++) + if ( GTK_IS_SCROLLED_WINDOW(m_widget) ) { - GtkRequisition req; - GtkAdjustment* adj = gtk_range_get_adjustment(m_scrollBar[i]); - // if scrollbar enabled - if (adj->upper > adj->page_size) + GtkPolicyType policy[ScrollDir_Max]; + gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(m_widget), + &policy[ScrollDir_Horz], + &policy[ScrollDir_Vert]); + + for ( int i = 0; i < ScrollDir_Max; i++ ) { - gtk_widget_size_request(GTK_WIDGET(m_scrollBar[i]), &req); + // don't account for the scrollbars we don't have + GtkRange * const range = m_scrollBar[i]; + if ( !range ) + continue; + + // nor for the ones we have but don't current show + switch ( policy[i] ) + { + case GTK_POLICY_NEVER: + // never shown so doesn't take any place + continue; + + case GTK_POLICY_ALWAYS: + // no checks necessary + break; + + case GTK_POLICY_AUTOMATIC: + // may be shown or not, check + GtkAdjustment *adj = gtk_range_get_adjustment(range); + if ( adj->upper <= adj->page_size ) + continue; + } + + GtkScrolledWindowClass *scroll_class = + GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) ); + + GtkRequisition req; + gtk_widget_size_request(GTK_WIDGET(range), &req); if (i == ScrollDir_Horz) - h -= req.height; + h -= req.height + scroll_class->scrollbar_spacing; else - w -= req.width; + w -= req.width + scroll_class->scrollbar_spacing; } } @@ -2741,7 +2723,7 @@ void wxWindowGTK::DoGetPosition( int *x, int *y ) const if (m_x == -1 && m_y == -1) { - GdkWindow *source = (GdkWindow *) NULL; + GdkWindow *source = NULL; if (m_wxwindow) source = m_wxwindow->window; else @@ -2756,8 +2738,8 @@ void wxWindowGTK::DoGetPosition( int *x, int *y ) const if (m_parent) m_parent->ScreenToClient(&org_x, &org_y); - wx_const_cast(wxWindowGTK*, this)->m_x = org_x; - wx_const_cast(wxWindowGTK*, this)->m_y = org_y; + const_cast(this)->m_x = org_x; + const_cast(this)->m_y = org_y; } } @@ -2771,7 +2753,7 @@ void wxWindowGTK::DoClientToScreen( int *x, int *y ) const if (!m_widget->window) return; - GdkWindow *source = (GdkWindow *) NULL; + GdkWindow *source = NULL; if (m_wxwindow) source = m_wxwindow->window; else @@ -2808,7 +2790,7 @@ void wxWindowGTK::DoScreenToClient( int *x, int *y ) const if (!m_widget->window) return; - GdkWindow *source = (GdkWindow *) NULL; + GdkWindow *source = NULL; if (m_wxwindow) source = m_wxwindow->window; else @@ -2981,90 +2963,204 @@ void wxWindowGTK::GetTextExtent( const wxString& string, g_object_unref (layout); } -bool wxWindowGTK::GTKSetDelayedFocusIfNeeded() +void wxWindowGTK::GTKDisableFocusOutEvent() +{ + g_signal_handlers_block_by_func( m_focusWidget, + (gpointer) gtk_window_focus_out_callback, this); +} + +void wxWindowGTK::GTKEnableFocusOutEvent() { - if ( g_delayedFocus == this ) + g_signal_handlers_unblock_by_func( m_focusWidget, + (gpointer) gtk_window_focus_out_callback, this); +} + +bool wxWindowGTK::GTKHandleFocusIn() +{ + // Disable default focus handling for custom windows since the default GTK+ + // handler issues a repaint + const bool retval = m_wxwindow ? true : false; + + + // NB: if there's still unprocessed deferred focus-out event (see + // GTKHandleFocusOut() for explanation), we need to process it first so + // that the order of focus events -- focus-out first, then focus-in + // elsewhere -- is preserved + if ( gs_deferredFocusOut ) { - if ( GTK_WIDGET_REALIZED(m_widget) ) + if ( GTKNeedsToFilterSameWindowFocus() && + gs_deferredFocusOut == this ) { - gtk_widget_grab_focus(m_widget); - g_delayedFocus = NULL; - - return true; + // GTK+ focus changed from this wxWindow back to itself, so don't + // emit any events at all + wxLogTrace(TRACE_FOCUS, + "filtered out spurious focus change within %s(%p, %s)", + GetClassInfo()->GetClassName(), this, GetLabel()); + gs_deferredFocusOut = NULL; + return retval; } + + // otherwise we need to send focus-out first + wxASSERT_MSG ( gs_deferredFocusOut != this, + "GTKHandleFocusIn(GTKFocus_Normal) called even though focus changed back to itself - derived class should handle this" ); + GTKHandleDeferredFocusOut(); } - return false; + + wxLogTrace(TRACE_FOCUS, + "handling focus_in event for %s(%p, %s)", + GetClassInfo()->GetClassName(), this, GetLabel()); + + if (m_imData) + gtk_im_context_focus_in(m_imData->context); + + gs_currentFocus = this; + gs_pendingFocus = NULL; + +#if wxUSE_CARET + // caret needs to be informed about focus change + wxCaret *caret = GetCaret(); + if ( caret ) + { + caret->OnSetFocus(); + } +#endif // wxUSE_CARET + + // Notify the parent keeping track of focus for the kbd navigation + // purposes that we got it. + wxChildFocusEvent eventChildFocus(static_cast(this)); + GTKProcessEvent(eventChildFocus); + + wxFocusEvent eventFocus(wxEVT_SET_FOCUS, GetId()); + eventFocus.SetEventObject(this); + GTKProcessEvent(eventFocus); + + return retval; } -void wxWindowGTK::SetFocus() +bool wxWindowGTK::GTKHandleFocusOut() { - wxCHECK_RET( m_widget != NULL, wxT("invalid window") ); - if ( m_hasFocus ) + // Disable default focus handling for custom windows since the default GTK+ + // handler issues a repaint + const bool retval = m_wxwindow ? true : false; + + + // NB: If a control is composed of several GtkWidgets and when focus + // changes from one of them to another within the same wxWindow, we get + // a focus-out event followed by focus-in for another GtkWidget owned + // by the same wx control. We don't want to generate two spurious + // wxEVT_SET_FOCUS events in this case, so we defer sending wx events + // from GTKHandleFocusOut() until we know for sure it's not coming back + // (i.e. in GTKHandleFocusIn() or at idle time). + if ( GTKNeedsToFilterSameWindowFocus() ) { - // don't do anything if we already have focus - return; + wxASSERT_MSG( gs_deferredFocusOut == NULL, + "deferred focus out event already pending" ); + wxLogTrace(TRACE_FOCUS, + "deferring focus_out event for %s(%p, %s)", + GetClassInfo()->GetClassName(), this, GetLabel()); + gs_deferredFocusOut = this; + return retval; } - if (m_wxwindow) + GTKHandleFocusOutNoDeferring(); + + return retval; +} + +void wxWindowGTK::GTKHandleFocusOutNoDeferring() +{ + wxLogTrace(TRACE_FOCUS, + "handling focus_out event for %s(%p, %s)", + GetClassInfo()->GetClassName(), this, GetLabel()); + + if (m_imData) + gtk_im_context_focus_out(m_imData->context); + + if ( gs_currentFocus != this ) { - // wxWindow::SetFocus() should really set the focus to - // this control, whatever the flags are - if (!GTK_WIDGET_CAN_FOCUS(m_wxwindow)) - GTK_WIDGET_SET_FLAGS(m_wxwindow, GTK_CAN_FOCUS); + // Something is terribly wrong, gs_currentFocus is out of sync with the + // real focus. We will reset it to NULL anyway, because after this + // focus-out event is handled, one of the following with happen: + // + // * either focus will go out of the app altogether, in which case + // gs_currentFocus _should_ be NULL + // + // * or it goes to another control, in which case focus-in event will + // follow immediately and it will set gs_currentFocus to the right + // value + wxLogDebug("window %s(%p, %s) lost focus even though it didn't have it", + GetClassInfo()->GetClassName(), this, GetLabel()); + } + gs_currentFocus = NULL; - if (!GTK_WIDGET_HAS_FOCUS (m_wxwindow)) - { - gtk_widget_grab_focus (m_wxwindow); - } +#if wxUSE_CARET + // caret needs to be informed about focus change + wxCaret *caret = GetCaret(); + if ( caret ) + { + caret->OnKillFocus(); } - else +#endif // wxUSE_CARET + + wxFocusEvent event( wxEVT_KILL_FOCUS, GetId() ); + event.SetEventObject( this ); + GTKProcessEvent( event ); +} + +/*static*/ +void wxWindowGTK::GTKHandleDeferredFocusOut() +{ + // NB: See GTKHandleFocusOut() for explanation. This function is called + // from either GTKHandleFocusIn() or OnInternalIdle() to process + // deferred event. + if ( gs_deferredFocusOut ) { - // wxWindow::SetFocus() should really set the focus to - // this control, whatever the flags are - if (!GTK_WIDGET_CAN_FOCUS(m_widget)) - GTK_WIDGET_SET_FLAGS(m_widget, GTK_CAN_FOCUS); + wxWindowGTK *win = gs_deferredFocusOut; + gs_deferredFocusOut = NULL; - if (GTK_IS_CONTAINER(m_widget)) - { - if (GTK_IS_RADIO_BUTTON(m_widget)) - { - gtk_widget_grab_focus (m_widget); - return; - } + wxLogTrace(TRACE_FOCUS, + "processing deferred focus_out event for %s(%p, %s)", + win->GetClassInfo()->GetClassName(), win, win->GetLabel()); - gtk_widget_child_focus( m_widget, GTK_DIR_TAB_FORWARD ); - } - else - if (GTK_WIDGET_CAN_FOCUS(m_widget) && !GTK_WIDGET_HAS_FOCUS (m_widget) ) - { + win->GTKHandleFocusOutNoDeferring(); + } +} - if (!GTK_WIDGET_REALIZED(m_widget)) - { - // we can't set the focus to the widget now so we remember that - // it should be focused and will do it later, during the idle - // time, as soon as we can - wxLogTrace(TRACE_FOCUS, - _T("Delaying setting focus to %s(%s)"), - GetClassInfo()->GetClassName(), GetLabel().c_str()); - - g_delayedFocus = this; - } - else - { - wxLogTrace(TRACE_FOCUS, - _T("Setting focus to %s(%s)"), - GetClassInfo()->GetClassName(), GetLabel().c_str()); +void wxWindowGTK::SetFocus() +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid window") ); - gtk_widget_grab_focus (m_widget); - } - } - else - { - wxLogTrace(TRACE_FOCUS, - _T("Can't set focus to %s(%s)"), - GetClassInfo()->GetClassName(), GetLabel().c_str()); - } + // Setting "physical" focus is not immediate in GTK+ and while + // gtk_widget_is_focus ("determines if the widget is the focus widget + // within its toplevel", i.e. returns true for one widget per TLW, not + // globally) returns true immediately after grabbing focus, + // GTK_WIDGET_HAS_FOCUS (which returns true only for the one widget that + // has focus at the moment) takes affect only after the window is shown + // (if it was hidden at the moment of the call) or at the next event loop + // iteration. + // + // Because we want to FindFocus() call immediately following + // foo->SetFocus() to return foo, we have to keep track of "pending" focus + // ourselves. + gs_pendingFocus = this; + + GtkWidget *widget = m_wxwindow ? m_wxwindow : m_focusWidget; + + if ( GTK_IS_CONTAINER(widget) && + !GTK_WIDGET_CAN_FOCUS(widget) ) + { + wxLogTrace(TRACE_FOCUS, + _T("Setting focus to a child of %s(%p, %s)"), + GetClassInfo()->GetClassName(), this, GetLabel().c_str()); + gtk_widget_child_focus(widget, GTK_DIR_TAB_FORWARD); + } + else + { + wxLogTrace(TRACE_FOCUS, + _T("Setting focus to %s(%p, %s)"), + GetClassInfo()->GetClassName(), this, GetLabel().c_str()); + gtk_widget_grab_focus(widget); } } @@ -3098,13 +3194,8 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase ) wxASSERT( GTK_IS_WIDGET(m_widget) ); - /* prevent GTK from deleting the widget arbitrarily */ - gtk_widget_ref( m_widget ); - if (oldParent) - { gtk_container_remove( GTK_CONTAINER(m_widget->parent), m_widget ); - } wxASSERT( GTK_IS_WIDGET(m_widget) ); @@ -3115,14 +3206,10 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase ) m_showOnIdle = true; gtk_widget_hide( m_widget ); } - /* insert GTK representation */ - (*(newParent->m_insertCallback))(newParent, this); + newParent->AddChildGTK(this); } - /* reverse: prevent GTK from deleting the widget arbitrarily */ - gtk_widget_unref( m_widget ); - SetLayoutDirection(wxLayout_Default); return true; @@ -3137,7 +3224,7 @@ void wxWindowGTK::DoAddChild(wxWindowGTK *child) AddChild( child ); /* insert GTK representation */ - (*m_insertCallback)(this, child); + AddChildGTK(child); } void wxWindowGTK::AddChild(wxWindowBase *child) @@ -3388,7 +3475,7 @@ void wxWindowGTK::WarpPointer( int x, int y ) // We provide this function ourselves as it is // missing in GDK (top of this file). - GdkWindow *window = (GdkWindow*) NULL; + GdkWindow *window = NULL; if (m_wxwindow) window = m_wxwindow->window; else @@ -3589,7 +3676,7 @@ void wxWindowGTK::GtkSendPaintEvents() else { wxWindowDC dc( (wxWindow*)this ); - dc.SetClippingRegion( m_updateRegion ); + dc.SetDeviceClippingRegion( m_updateRegion ); // Work around gtk-qt <= 0.60 bug whereby the window colour // remains grey @@ -3837,6 +3924,103 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style) return true; } +// ---------------------------------------------------------------------------- +// Pop-up menu stuff +// ---------------------------------------------------------------------------- + +#if wxUSE_MENUS_NATIVE + +static void SetInvokingWindow( wxMenu *menu, wxWindow* win ) +{ + menu->SetInvokingWindow( win ); + + wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst(); + while (node) + { + wxMenuItem *menuitem = node->GetData(); + if (menuitem->IsSubMenu()) + { + SetInvokingWindow( menuitem->GetSubMenu(), win ); + } + + node = node->GetNext(); + } +} + +extern "C" { +static +void wxPopupMenuPositionCallback( GtkMenu *menu, + gint *x, gint *y, + gboolean * WXUNUSED(whatever), + gpointer user_data ) +{ + // ensure that the menu appears entirely on screen + GtkRequisition req; + gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req); + + wxSize sizeScreen = wxGetDisplaySize(); + wxPoint *pos = (wxPoint*)user_data; + + gint xmax = sizeScreen.x - req.width, + ymax = sizeScreen.y - req.height; + + *x = pos->x < xmax ? pos->x : xmax; + *y = pos->y < ymax ? pos->y : ymax; +} +} + +void wxWindowGTK::DoPopupMenuUpdateUI(wxMenu* menu) +{ + menu->UpdateUI(); +} + +bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y ) +{ + wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") ); + + wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") ); + + SetInvokingWindow( menu, this ); + + DoPopupMenuUpdateUI(menu); + + wxPoint pos; + gpointer userdata; + GtkMenuPositionFunc posfunc; + if ( x == -1 && y == -1 ) + { + // use GTK's default positioning algorithm + userdata = NULL; + posfunc = NULL; + } + else + { + pos = ClientToScreen(wxPoint(x, y)); + userdata = &pos; + posfunc = wxPopupMenuPositionCallback; + } + + menu->m_popupShown = true; + gtk_menu_popup( + GTK_MENU(menu->m_menu), + NULL, // parent menu shell + NULL, // parent menu item + posfunc, // function to position it + userdata, // client data + 0, // button used to activate it + gtk_get_current_event_time() + ); + + while (menu->m_popupShown) + { + gtk_main_iteration(); + } + + return true; +} + +#endif // wxUSE_MENUS_NATIVE + #if wxUSE_DRAG_AND_DROP void wxWindowGTK::SetDropTarget( wxDropTarget *dropTarget ) @@ -3845,12 +4029,12 @@ void wxWindowGTK::SetDropTarget( wxDropTarget *dropTarget ) GtkWidget *dnd_widget = GetConnectWidget(); - if (m_dropTarget) m_dropTarget->UnregisterWidget( dnd_widget ); + if (m_dropTarget) m_dropTarget->GtkUnregisterWidget( dnd_widget ); if (m_dropTarget) delete m_dropTarget; m_dropTarget = dropTarget; - if (m_dropTarget) m_dropTarget->RegisterWidget( dnd_widget ); + if (m_dropTarget) m_dropTarget->GtkRegisterWidget( dnd_widget ); } #endif // wxUSE_DRAG_AND_DROP @@ -3895,7 +4079,7 @@ void wxWindowGTK::DoCaptureMouse() { wxCHECK_RET( m_widget != NULL, wxT("invalid window") ); - GdkWindow *window = (GdkWindow*) NULL; + GdkWindow *window = NULL; if (m_wxwindow) window = m_wxwindow->window; else @@ -3913,7 +4097,7 @@ void wxWindowGTK::DoCaptureMouse() GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_POINTER_MOTION_MASK), - (GdkWindow *) NULL, + NULL, cursor->GetCursor(), (guint32)GDK_CURRENT_TIME ); g_captureWindow = this; @@ -3926,9 +4110,9 @@ void wxWindowGTK::DoReleaseMouse() wxCHECK_RET( g_captureWindow, wxT("can't release mouse - not captured") ); - g_captureWindow = (wxWindowGTK*) NULL; + g_captureWindow = NULL; - GdkWindow *window = (GdkWindow*) NULL; + GdkWindow *window = NULL; if (m_wxwindow) window = m_wxwindow->window; else @@ -4210,16 +4394,68 @@ GdkWindow* wxWindowGTK::GTKGetDrawingWindow() const // freeze/thaw // ---------------------------------------------------------------------------- +extern "C" +{ + +// this is called if we attempted to freeze unrealized widget when it finally +// is realized (and so can be frozen): +static void wx_frozen_widget_realize(GtkWidget* w, void* WXUNUSED(data)) +{ + wxASSERT( w && !GTK_WIDGET_NO_WINDOW(w) ); + wxASSERT( GTK_WIDGET_REALIZED(w) ); + + g_signal_handlers_disconnect_by_func + ( + w, + (void*)wx_frozen_widget_realize, + NULL + ); + + gdk_window_freeze_updates(w->window); +} + +} // extern "C" + void wxWindowGTK::GTKFreezeWidget(GtkWidget *w) { - if ( w && !GTK_WIDGET_NO_WINDOW(w) ) - gdk_window_freeze_updates(w->window); + if ( !w || GTK_WIDGET_NO_WINDOW(w) ) + return; // window-less widget, cannot be frozen + + if ( !GTK_WIDGET_REALIZED(w) ) + { + // we can't thaw unrealized widgets because they don't have GdkWindow, + // so set it up to be done immediately after realization: + g_signal_connect_after + ( + w, + "realize", + G_CALLBACK(wx_frozen_widget_realize), + NULL + ); + return; + } + + gdk_window_freeze_updates(w->window); } void wxWindowGTK::GTKThawWidget(GtkWidget *w) { - if ( w && !GTK_WIDGET_NO_WINDOW(w) ) - gdk_window_thaw_updates(w->window); + if ( !w || GTK_WIDGET_NO_WINDOW(w) ) + return; // window-less widget, cannot be frozen + + if ( !GTK_WIDGET_REALIZED(w) ) + { + // the widget wasn't realized yet, no need to thaw + g_signal_handlers_disconnect_by_func + ( + w, + (void*)wx_frozen_widget_realize, + NULL + ); + return; + } + + gdk_window_thaw_updates(w->window); } void wxWindowGTK::DoFreeze()