X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/82008f15b709fd4544468aec286663be1b24fc69..c782096417f0fd9de6c6d47b23174233ec6bcf57:/src/gtk/window.cpp diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index 902dc0517e..e8b8ed1719 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -190,8 +190,10 @@ // data //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; -extern bool g_blockEventsOnScroll; +// Don't allow event propagation during drag +bool g_blockEventsOnDrag; +// Don't allow mouse event propagation during scroll +bool g_blockEventsOnScroll; extern wxCursor g_globalCursor; // mouse capture state: the window which has it and if the mouse is currently @@ -422,6 +424,8 @@ void wxgtk_window_size_request_callback(GtkWidget *widget, } } +#if wxUSE_COMBOBOX + extern "C" { static void wxgtk_combo_size_request_callback(GtkWidget *widget, @@ -457,6 +461,8 @@ void wxgtk_combo_size_request_callback(GtkWidget *widget, } } +#endif // wxUSE_COMBOBOX + //----------------------------------------------------------------------------- // "expose_event" of m_wxwindow //----------------------------------------------------------------------------- @@ -1129,9 +1135,13 @@ gtk_wxwindow_commit_cb (GtkIMContext *context, wxFillOtherKeyEventFields(event, window, window->m_imData->lastKeyEvent); } + else + { + event.SetEventObject( window ); + } - const wxWxCharBuffer data(wxGTK_CONV_BACK_SYS(str)); - if( !data ) + const wxString data(wxGTK_CONV_BACK_SYS(str)); + if( data.empty() ) return; bool ret = false; @@ -1141,7 +1151,7 @@ gtk_wxwindow_commit_cb (GtkIMContext *context, while (parent && !parent->IsTopLevel()) parent = parent->GetParent(); - for( const wxChar* pstr = data; *pstr; pstr++ ) + for( wxString::const_iterator pstr = data.begin(); pstr != data.end(); ++pstr ) { #if wxUSE_UNICODE event.m_uniChar = *pstr; @@ -1149,7 +1159,7 @@ gtk_wxwindow_commit_cb (GtkIMContext *context, event.m_keyCode = *pstr < 256 ? event.m_uniChar : 0; wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), event.m_uniChar); #else - event.m_keyCode = *pstr; + event.m_keyCode = (char)*pstr; #endif // wxUSE_UNICODE // To conform to the docs we need to translate Ctrl-alpha @@ -1227,22 +1237,15 @@ template void InitMouseEvent(wxWindowGTK *win, T *gdk_event) { event.SetTimestamp( gdk_event->time ); - 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_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); - if (event.GetEventType() == wxEVT_MOUSEWHEEL) - { - event.m_linesPerAction = 3; - event.m_wheelDelta = 120; - if (((GdkEventButton*)gdk_event)->button == 4) - event.m_wheelRotation = 120; - else if (((GdkEventButton*)gdk_event)->button == 5) - event.m_wheelRotation = -120; - } + 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_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; + event.m_aux1Down = gdk_event->state & GDK_BUTTON4_MASK; + event.m_aux2Down = gdk_event->state & GDK_BUTTON5_MASK; wxPoint pt = win->GetClientAreaOrigin(); event.m_x = (wxCoord)gdk_event->x - pt.x; @@ -1437,11 +1440,6 @@ gtk_window_button_press_callback( GtkWidget *widget, g_lastButtonNumber = gdk_event->button; - if (win->m_wxwindow && (g_focusWindow != win) && win->CanAcceptFocus()) - { - gtk_widget_grab_focus( win->m_wxwindow ); - } - // GDK sends surplus button down events // before a double click event. We // need to filter these out. @@ -1539,13 +1537,6 @@ gtk_window_button_press_callback( GtkWidget *widget, ; } } - else if (gdk_event->button == 4 || gdk_event->button == 5) - { - if (gdk_event->type == GDK_BUTTON_PRESS ) - { - event_type = wxEVT_MOUSEWHEEL; - } - } if ( event_type == wxEVT_NULL ) { @@ -1579,6 +1570,12 @@ gtk_window_button_press_callback( GtkWidget *widget, if ( ret ) return TRUE; + if ((event_type == wxEVT_LEFT_DOWN) && !win->IsOfStandardClass() && + (g_focusWindow != win) /* && win->IsFocusable() */) + { + win->SetFocus(); + } + if (event_type == wxEVT_RIGHT_DOWN) { // generate a "context menu" event: this is similar to right mouse @@ -1730,7 +1727,7 @@ gtk_window_motion_notify_callback( GtkWidget *widget, } //----------------------------------------------------------------------------- -// "scroll_event", (mouse wheel event) +// "scroll_event" (mouse wheel event) //----------------------------------------------------------------------------- static gboolean @@ -1745,15 +1742,7 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) } wxMouseEvent event(wxEVT_MOUSEWHEEL); - // Can't use InitMouse macro because scroll events don't have button - event.SetTimestamp( gdk_event->time ); - 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_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); + InitMouseEvent(win, event, gdk_event); event.m_linesPerAction = 3; event.m_wheelDelta = 120; if (gdk_event->direction == GDK_SCROLL_UP) @@ -1761,14 +1750,6 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) else event.m_wheelRotation = -120; - wxPoint pt = win->GetClientAreaOrigin(); - event.m_x = (wxCoord)gdk_event->x - pt.x; - event.m_y = (wxCoord)gdk_event->y - pt.y; - - event.SetEventObject( win ); - event.SetId( win->GetId() ); - event.SetTimestamp( gdk_event->time ); - return win->GTKProcessEvent(event); } @@ -1884,7 +1865,9 @@ gtk_window_focus_out_callback( GtkWidget *widget, // Disable default focus handling for custom windows // since the default GTK+ handler issues a repaint if ( has_wxwindow ) + { return TRUE; + } } // continue with normal processing @@ -1963,8 +1946,6 @@ gtk_window_leave_callback( GtkWidget *widget, if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE; wxMouseEvent event( wxEVT_LEAVE_WINDOW ); - event.SetTimestamp( gdk_event->time ); - event.SetEventObject( win ); int x = 0; int y = 0; @@ -1972,17 +1953,7 @@ gtk_window_leave_callback( GtkWidget *widget, gdk_window_get_pointer( widget->window, &x, &y, &state ); - event.m_shiftDown = (state & GDK_SHIFT_MASK) != 0; - event.m_controlDown = (state & GDK_CONTROL_MASK) != 0; - event.m_altDown = (state & GDK_MOD1_MASK) != 0; - event.m_metaDown = (state & GDK_MOD2_MASK) != 0; - event.m_leftDown = (state & GDK_BUTTON1_MASK) != 0; - event.m_middleDown = (state & GDK_BUTTON2_MASK) != 0; - event.m_rightDown = (state & GDK_BUTTON3_MASK) != 0; - - wxPoint pt = win->GetClientAreaOrigin(); - event.m_x = x + pt.x; - event.m_y = y + pt.y; + InitMouseEvent(win, event, gdk_event); return win->GTKProcessEvent(event); } @@ -2008,9 +1979,7 @@ gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win) wxScrollWinEvent event(eventType, win->GetScrollPos(orient), orient); event.SetEventObject(win); - win->m_blockValueChanged[dir] = true; win->GTKProcessEvent(event); - win->m_blockValueChanged[dir] = false; } } @@ -2076,9 +2045,6 @@ gtk_scrollbar_button_release_event(GtkRange* range, GdkEventButton*, wxWindow* w // "realize" from m_widget //----------------------------------------------------------------------------- -/* We cannot set colours and fonts before the widget has - been realized, so we do this directly after realization. */ - static void gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win ) { @@ -2091,6 +2057,16 @@ gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win ) pizza->bin_window ); } + // We cannot set colours and fonts before the widget + // been realized, so we do this directly after realization + // or otherwise in idle time + + if (win->m_needsStyleChange) + { + win->SetBackgroundStyle(win->GetBackgroundStyle()); + win->m_needsStyleChange = false; + } + wxWindowCreateEvent event( win ); event.SetEventObject( win ); win->GTKProcessEvent( event ); @@ -2128,6 +2104,27 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget), } } +//----------------------------------------------------------------------------- +// "grab_broken" +//----------------------------------------------------------------------------- + +#ifdef __WXGTK210__ +static void +gtk_window_grab_broken( GtkWidget *m_widget, + GdkEventGrabBroken *event, + wxWindow *win ) +{ + // Mouse capture has been lost involuntarily, notify the application + if( !event->keyboard && win && wxWindow::GetCapture() == win ) + { + wxMouseCaptureLostEvent evt( win->GetId() ); + evt.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( evt ); + } +} +#endif + + } // extern "C" // ---------------------------------------------------------------------------- @@ -2193,6 +2190,8 @@ wxMouseState wxGetMouseState() ms.SetLeftDown(mask & GDK_BUTTON1_MASK); ms.SetMiddleDown(mask & GDK_BUTTON2_MASK); ms.SetRightDown(mask & GDK_BUTTON3_MASK); + ms.SetAux1Down(mask & GDK_BUTTON4_MASK); + ms.SetAux2Down(mask & GDK_BUTTON5_MASK); ms.SetControlDown(mask & GDK_CONTROL_MASK); ms.SetShiftDown(mask & GDK_SHIFT_MASK); @@ -2227,7 +2226,6 @@ void wxWindowGTK::Init() m_width = 0; m_height = 0; - m_sizeSet = false; m_hasVMT = false; m_isBeingDeleted = false; @@ -2246,7 +2244,6 @@ void wxWindowGTK::Init() { m_scrollBar[dir] = NULL; m_scrollPos[dir] = 0; - m_blockValueChanged[dir] = false; } m_oldClientWidth = @@ -2254,7 +2251,7 @@ void wxWindowGTK::Init() m_resizing = false; - m_insertCallback = (wxInsertChildFunction) NULL; + m_insertCallback = wxInsertChildInWindow; m_hasFocus = false; @@ -2299,9 +2296,6 @@ bool wxWindowGTK::Create( wxWindow *parent, return false; } - m_insertCallback = wxInsertChildInWindow; - - if (!HasFlag(wxHSCROLL) && !HasFlag(wxVSCROLL)) { m_wxwindow = gtk_pizza_new_no_scroll(); @@ -2385,7 +2379,7 @@ bool wxWindowGTK::Create( wxWindow *parent, g_signal_handler_block(m_scrollBar[dir], handler_id); // these handlers get notified when scrollbar slider moves - g_signal_connect(m_scrollBar[dir], "value_changed", + g_signal_connect_after(m_scrollBar[dir], "value_changed", G_CALLBACK(gtk_scrollbar_value_changed), this); } @@ -2545,8 +2539,29 @@ void wxWindowGTK::PostCreation() // Catch native resize events g_signal_connect (m_wxwindow, "size_allocate", G_CALLBACK (gtk_window_size_callback), this); +#ifdef __WXGTK210__ + if (!gtk_check_version(2,8,0)) + { + // Make sure we can notify the app when mouse capture is lost + g_signal_connect (m_wxwindow, "grab_broken_event", + G_CALLBACK (gtk_window_grab_broken), this); + } +#endif + } + + if ( connect_widget != m_wxwindow ) + { +#ifdef __WXGTK210__ + if (!gtk_check_version(2,8,0)) + { + // Make sure we can notify app code when mouse capture is lost + g_signal_connect (connect_widget, "grab_broken_event", + G_CALLBACK (gtk_window_grab_broken), this); + } +#endif } +#if wxUSE_COMBOBOX if (GTK_IS_COMBO(m_widget)) { GtkCombo *gcombo = GTK_COMBO(m_widget); @@ -2554,17 +2569,18 @@ void wxWindowGTK::PostCreation() g_signal_connect (gcombo->entry, "size_request", G_CALLBACK (wxgtk_combo_size_request_callback), this); - } + } else +#endif // wxUSE_COMBOBOX #ifdef GTK_IS_FILE_CHOOSER_BUTTON - else if (!gtk_check_version(2,6,0) && GTK_IS_FILE_CHOOSER_BUTTON(m_widget)) + if (!gtk_check_version(2,6,0) && GTK_IS_FILE_CHOOSER_BUTTON(m_widget)) { // If we connect to the "size_request" signal of a GtkFileChooserButton // then that control won't be sized properly when placed inside sizers // (this can be tested removing this elseif and running XRC or WIDGETS samples) // FIXME: what should be done here ? - } + } else #endif - else if ( !IsTopLevel() ) // top level windows use their own callback + if ( !IsTopLevel() ) // top level windows use their own callback { // This is needed if we want to add our windows into native // GTK controls, such as the toolbar. With this callback, the @@ -2723,12 +2739,12 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags right_border += default_border->right; top_border += default_border->top; bottom_border += default_border->bottom; - g_free( default_border ); + gtk_border_free( default_border ); } } - DoMoveWindow( m_x-top_border, - m_y-left_border, + DoMoveWindow( m_x - left_border, + m_y - top_border, m_width+left_border+right_border, m_height+top_border+bottom_border ); } @@ -2849,25 +2865,9 @@ void wxWindowGTK::DoSetClientSize( int width, int height ) { wxCHECK_RET( (m_widget != NULL), wxT("invalid window") ); - if (m_wxwindow) - { - int dw = 0; - int dh = 0; - - if (m_hasScrolling) - { - GetScrollbarWidth(m_widget, dw, dh); - } - - const int border = GTK_CONTAINER(m_wxwindow)->border_width; - dw += 2 * border; - dh += 2 * border; - - width += dw; - height += dh; - } - - SetSize(width, height); + const wxSize size = GetSize(); + const wxSize clientSize = GetClientSize(); + SetSize(width + (size.x - clientSize.x), height + (size.y - clientSize.y)); } void wxWindowGTK::DoGetClientSize( int *width, int *height ) const @@ -3199,11 +3199,13 @@ void wxWindowGTK::SetFocus() { if (GTK_IS_CONTAINER(m_widget)) { +#if wxUSE_RADIOBTN if (IsKindOf(CLASSINFO(wxRadioButton))) { gtk_widget_grab_focus (m_widget); return; } +#endif // wxUSE_RADIOBTN gtk_widget_child_focus( m_widget, GTK_DIR_TAB_FORWARD ); } @@ -3303,11 +3305,8 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase ) void wxWindowGTK::DoAddChild(wxWindowGTK *child) { wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") ); - wxASSERT_MSG( (child != NULL), wxT("invalid child window") ); - wxASSERT_MSG( (m_insertCallback != NULL), wxT("invalid child insertion function") ); - /* add to list */ AddChild( child ); @@ -3403,7 +3402,7 @@ bool wxWindowGTK::DoNavigateIn(int flags) } else // navigate inside the container { - wxWindow *parent = wxGetTopLevelParent(this); + wxWindow *parent = wxGetTopLevelParent((wxWindow *)this); wxCHECK_MSG( parent, false, _T("every window must have a TLW parent") ); GtkDirectionType dir; @@ -3816,17 +3815,9 @@ void wxWindowGTK::DoSetToolTip( wxToolTip *tip ) m_tooltip->Apply( (wxWindow *)this ); } -void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const wxChar *tip ) +void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const gchar *tip ) { - if (tip) - { - wxString tmp( tip ); - gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), (gchar*) NULL ); - } - else - { - gtk_tooltips_set_tip( tips, GetConnectWidget(), NULL, NULL); - } + gtk_tooltips_set_tip(tips, GetConnectWidget(), tip, NULL); } #endif // wxUSE_TOOLTIPS @@ -3974,11 +3965,16 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style) if (style == wxBG_STYLE_CUSTOM) { - GdkWindow *window = (GdkWindow*) NULL; - if (m_wxwindow) + GdkWindow *window; + if ( m_wxwindow ) + { window = GTK_PIZZA(m_wxwindow)->bin_window; + } else - window = GetConnectWidget()->window; + { + GtkWidget * const w = GetConnectWidget(); + window = w ? w->window : NULL; + } if (window) { @@ -3991,9 +3987,11 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style) #endif m_needsStyleChange = false; } - else + else // window not realized yet + { // Do in OnIdle, because the window is not yet available m_needsStyleChange = true; + } // Don't apply widget style, or we get a grey background } @@ -4109,6 +4107,14 @@ void wxWindowGTK::DoReleaseMouse() gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME ); } +void wxWindowGTK::GTKReleaseMouseAndNotify() +{ + DoReleaseMouse(); + wxMouseCaptureLostEvent evt(GetId()); + evt.SetEventObject( this ); + GetEventHandler()->ProcessEvent( evt ); +} + /* static */ wxWindow *wxWindowBase::GetCapture() { @@ -4138,9 +4144,8 @@ void wxWindowGTK::SetScrollbar(int orient, int range, bool WXUNUSED(update)) { - wxCHECK_RET( m_widget != NULL, wxT("invalid window") ); - wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") ); - wxCHECK_RET( m_wxwindow != m_widget, wxT("no scrolling for this wxWindow, use wxHSCROLL or wxVSCROLL") ); + GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)]; + wxCHECK_RET( sb, _T("this window is not scrollable") ); if (range > 0) { @@ -4157,7 +4162,7 @@ void wxWindowGTK::SetScrollbar(int orient, pos = range - thumbVisible; if (pos < 0) pos = 0; - GtkAdjustment* adj = m_scrollBar[ScrollDirFromOrient(orient)]->adjustment; + GtkAdjustment * const adj = sb->adjustment; adj->step_increment = 1; adj->page_increment = adj->page_size = thumbVisible; @@ -4168,16 +4173,15 @@ void wxWindowGTK::SetScrollbar(int orient, void wxWindowGTK::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh)) { - wxCHECK_RET( m_widget != NULL, wxT("invalid window") ); - wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") ); - wxCHECK_RET( m_wxwindow != m_widget, wxT("no scrolling for this wxWindow, use wxHSCROLL or wxVSCROLL") ); + const int dir = ScrollDirFromOrient(orient); + GtkRange * const sb = m_scrollBar[dir]; + wxCHECK_RET( sb, _T("this window is not scrollable") ); // This check is more than an optimization. Without it, the slider // will not move smoothly while tracking when using wxScrollHelper. if (GetScrollPos(orient) != pos) { - const int dir = ScrollDirFromOrient(orient); - GtkAdjustment* adj = m_scrollBar[dir]->adjustment; + GtkAdjustment* adj = sb->adjustment; const int max = int(adj->upper - adj->page_size); if (pos > max) pos = max; @@ -4185,39 +4189,38 @@ void wxWindowGTK::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh)) pos = 0; m_scrollPos[dir] = adj->value = pos; - // If a "value_changed" signal emission is not already in progress - if (!m_blockValueChanged[dir]) - { - gtk_adjustment_value_changed(adj); - } + g_signal_handlers_block_by_func(m_scrollBar[dir], + (gpointer)gtk_scrollbar_value_changed, this); + + gtk_adjustment_value_changed(adj); + + g_signal_handlers_unblock_by_func(m_scrollBar[dir], + (gpointer)gtk_scrollbar_value_changed, this); } } int wxWindowGTK::GetScrollThumb(int orient) const { - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid window") ); - wxCHECK_MSG( m_wxwindow != NULL, 0, wxT("window needs client area for scrolling") ); - wxCHECK_MSG( m_wxwindow != m_widget, 0, wxT("no scrolling for this wxWindow, use wxHSCROLL or wxVSCROLL") ); + GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)]; + wxCHECK_MSG( sb, 0, _T("this window is not scrollable") ); - return int(m_scrollBar[ScrollDirFromOrient(orient)]->adjustment->page_size); + return int(sb->adjustment->page_size); } int wxWindowGTK::GetScrollPos( int orient ) const { - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid window") ); - wxCHECK_MSG( m_wxwindow != NULL, 0, wxT("window needs client area for scrolling") ); - wxCHECK_MSG( m_wxwindow != m_widget, 0, wxT("no scrolling for this wxWindow, use wxHSCROLL or wxVSCROLL") ); + GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)]; + wxCHECK_MSG( sb, 0, _T("this window is not scrollable") ); - return int(m_scrollBar[ScrollDirFromOrient(orient)]->adjustment->value + 0.5); + return int(sb->adjustment->value + 0.5); } int wxWindowGTK::GetScrollRange( int orient ) const { - wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid window") ); - wxCHECK_MSG( m_wxwindow != NULL, 0, wxT("window needs client area for scrolling") ); - wxCHECK_MSG( m_wxwindow != m_widget, 0, wxT("no scrolling for this wxWindow, use wxHSCROLL or wxVSCROLL") ); + GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)]; + wxCHECK_MSG( sb, 0, _T("this window is not scrollable") ); - return int(m_scrollBar[ScrollDirFromOrient(orient)]->adjustment->upper); + return int(sb->adjustment->upper); } // Determine if increment is the same as +/-x, allowing for some small @@ -4282,7 +4285,7 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) ) // No scrolling requested. if ((dx == 0) && (dy == 0)) return; - + m_clipPaintRegion = true; if (GetLayoutDirection() == wxLayout_RightToLeft)