+//-----------------------------------------------------------------------------
+// "leave_notify_event"
+//-----------------------------------------------------------------------------
+
+static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win )
+{
+ DEBUG_MAIN_THREAD
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (!win->m_hasVMT) return FALSE;
+ if (g_blockEventsOnDrag) return FALSE;
+
+ if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
+
+ wxMouseEvent event( wxEVT_LEAVE_WINDOW );
+#if (GTK_MINOR_VERSION > 0)
+ event.SetTimestamp( gdk_event->time );
+#endif
+ event.SetEventObject( win );
+
+ int x = 0;
+ int y = 0;
+ GdkModifierType state = (GdkModifierType)0;
+
+ gdk_window_get_pointer( widget->window, &x, &y, &state );
+
+ event.m_shiftDown = (state & GDK_SHIFT_MASK);
+ event.m_controlDown = (state & GDK_CONTROL_MASK);
+ event.m_altDown = (state & GDK_MOD1_MASK);
+ event.m_metaDown = (state & GDK_MOD2_MASK);
+ event.m_leftDown = (state & GDK_BUTTON1_MASK);
+ event.m_middleDown = (state & GDK_BUTTON2_MASK);
+ event.m_rightDown = (state & GDK_BUTTON3_MASK);
+
+ event.m_x = x;
+ event.m_y = y;
+
+ if (win->GetEventHandler()->ProcessEvent( event ))
+ {
+ gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "leave_notify_event" );
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// "value_changed" from m_vAdjust
+//-----------------------------------------------------------------------------
+
+static void gtk_window_vscroll_callback( GtkAdjustment *adjust, wxWindow *win )
+{
+ DEBUG_MAIN_THREAD
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (g_blockEventsOnDrag) return;
+
+ if (!win->m_hasVMT) return;
+
+ float diff = adjust->value - win->m_oldVerticalPos;
+ if (fabs(diff) < 0.2) return;
+
+ win->m_oldVerticalPos = adjust->value;
+
+ GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(win->m_widget);
+ GtkRange *range = GTK_RANGE( scrolledWindow->vscrollbar );
+
+ wxEventType command = wxEVT_SCROLLWIN_THUMBTRACK;
+ if (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLLWIN_LINEUP;
+ else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD) command = wxEVT_SCROLLWIN_LINEDOWN;
+ else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLLWIN_PAGEUP;
+ else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD) command = wxEVT_SCROLLWIN_PAGEDOWN;
+
+ int value = (int)(adjust->value+0.5);
+
+ wxScrollWinEvent event( command, value, wxVERTICAL );
+ event.SetEventObject( win );
+ win->GetEventHandler()->ProcessEvent( event );
+}
+
+//-----------------------------------------------------------------------------
+// "value_changed" from m_hAdjust
+//-----------------------------------------------------------------------------
+
+static void gtk_window_hscroll_callback( GtkAdjustment *adjust, wxWindow *win )
+{
+ DEBUG_MAIN_THREAD
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (g_blockEventsOnDrag) return;
+ if (!win->m_hasVMT) return;
+
+ float diff = adjust->value - win->m_oldHorizontalPos;
+ if (fabs(diff) < 0.2) return;
+
+ win->m_oldHorizontalPos = adjust->value;
+
+ GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(win->m_widget);
+ GtkRange *range = GTK_RANGE( scrolledWindow->hscrollbar );
+
+ wxEventType command = wxEVT_SCROLLWIN_THUMBTRACK;
+ if (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLLWIN_LINEUP;
+ else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD) command = wxEVT_SCROLLWIN_LINEDOWN;
+ else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLLWIN_PAGEUP;
+ else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD) command = wxEVT_SCROLLWIN_PAGEDOWN;
+
+ int value = (int)(adjust->value+0.5);
+
+ wxScrollWinEvent event( command, value, wxHORIZONTAL );
+ event.SetEventObject( win );
+ win->GetEventHandler()->ProcessEvent( event );
+}
+
+//-----------------------------------------------------------------------------
+// "button_press_event" from scrollbar
+//-----------------------------------------------------------------------------
+
+static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
+ GdkEventButton *gdk_event,
+ wxWindow *win)
+{
+ DEBUG_MAIN_THREAD
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+
+ g_blockEventsOnScroll = TRUE;
+ win->m_isScrolling = (gdk_event->window == widget->slider);
+
+ return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// "button_release_event" from scrollbar
+//-----------------------------------------------------------------------------
+
+static gint gtk_scrollbar_button_release_callback( GtkRange *widget,
+ GdkEventButton *WXUNUSED(gdk_event),
+ wxWindow *win)
+{
+ DEBUG_MAIN_THREAD
+
+// don't test here as we can release the mouse while being over
+// a different window than the slider
+//
+// if (gdk_event->window != widget->slider) return FALSE;
+
+ g_blockEventsOnScroll = FALSE;
+
+ if (win->m_isScrolling)
+ {
+ wxEventType command = wxEVT_SCROLLWIN_THUMBRELEASE;
+ int value = -1;
+ int dir = -1;
+
+ GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(win->m_widget);
+ if (widget == GTK_RANGE(scrolledWindow->hscrollbar))
+ {
+ value = (int)(win->m_hAdjust->value+0.5);
+ dir = wxHORIZONTAL;
+ }
+ if (widget == GTK_RANGE(scrolledWindow->vscrollbar))
+ {
+ value = (int)(win->m_vAdjust->value+0.5);
+ dir = wxVERTICAL;
+ }
+
+ wxScrollWinEvent event( command, value, dir );
+ event.SetEventObject( win );
+ win->GetEventHandler()->ProcessEvent( event );
+ }
+
+ win->m_isScrolling = FALSE;
+
+ return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// this wxWindowBase function is implemented here (in platform-specific file)
+// because it is static and so couldn't be made virtual
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::FindFocus()
+{
+ return g_focusWindow;
+}
+
+//-----------------------------------------------------------------------------
+// "realize" from m_widget
+//-----------------------------------------------------------------------------
+
+/* We cannot set colours and fonts before the widget has
+ been realized, so we do this directly after realization. */
+
+static gint
+gtk_window_realized_callback( GtkWidget *WXUNUSED(m_widget), wxWindow *win )
+{
+ DEBUG_MAIN_THREAD
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (win->m_delayedBackgroundColour)
+ win->SetBackgroundColour( win->GetBackgroundColour() );
+
+ if (win->m_delayedForegroundColour)
+ win->SetForegroundColour( win->GetForegroundColour() );
+
+ wxWindowCreateEvent event( win );
+ event.SetEventObject( win );
+ win->GetEventHandler()->ProcessEvent( event );
+
+ return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// "size_allocate"
+//-----------------------------------------------------------------------------
+
+static
+void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
+ GtkAllocation *WXUNUSED(alloc),
+ wxWindow *win )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (!win->m_hasScrolling) return;
+
+ int client_width = 0;
+ int client_height = 0;
+ win->GetClientSize( &client_width, &client_height );
+ if ((client_width == win->m_oldClientWidth) && (client_height == win->m_oldClientHeight))
+ return;
+
+ win->m_oldClientWidth = client_width;
+ win->m_oldClientHeight = client_height;
+
+ if (!win->m_nativeSizeEvent)
+ {
+ wxSizeEvent event( win->GetSize(), win->GetId() );
+ event.SetEventObject( win );
+ win->GetEventHandler()->ProcessEvent( event );
+ }
+}
+
+
+#ifdef HAVE_XIM
+ #define WXUNUSED_UNLESS_XIM(param) param
+#else
+ #define WXUNUSED_UNLESS_XIM(param) WXUNUSED(param)
+#endif
+
+/* Resize XIM window */
+
+static
+void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
+ GtkAllocation* WXUNUSED_UNLESS_XIM(alloc),
+ wxWindow* WXUNUSED_UNLESS_XIM(win) )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+#ifdef HAVE_XIM
+ if (!win->m_ic)
+ return;
+
+ if (gdk_ic_get_style (win->m_ic) & GDK_IM_PREEDIT_POSITION)
+ {
+ gint width, height;
+
+ gdk_window_get_size (widget->window, &width, &height);
+ win->m_icattr->preedit_area.width = width;
+ win->m_icattr->preedit_area.height = height;
+ gdk_ic_set_attr (win->m_ic, win->m_icattr, GDK_IC_PREEDIT_AREA);
+ }
+#endif // HAVE_XIM
+}
+
+//-----------------------------------------------------------------------------
+// "realize" from m_wxwindow
+//-----------------------------------------------------------------------------
+
+/* Initialize XIM support */
+
+static gint
+gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
+ wxWindow * WXUNUSED_UNLESS_XIM(win) )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+#ifdef HAVE_XIM
+ if (win->m_ic) return FALSE;
+ if (!widget) return FALSE;
+ if (!gdk_im_ready()) return FALSE;
+
+ win->m_icattr = gdk_ic_attr_new();
+ if (!win->m_icattr) return FALSE;
+
+ gint width, height;
+ GdkEventMask mask;
+ GdkColormap *colormap;
+ GdkICAttr *attr = win->m_icattr;
+ unsigned attrmask = GDK_IC_ALL_REQ;
+ GdkIMStyle style;
+ GdkIMStyle supported_style = (GdkIMStyle)
+ (GDK_IM_PREEDIT_NONE |
+ GDK_IM_PREEDIT_NOTHING |
+ GDK_IM_PREEDIT_POSITION |
+ GDK_IM_STATUS_NONE |
+ GDK_IM_STATUS_NOTHING);
+
+ if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
+ supported_style = (GdkIMStyle)(supported_style & ~GDK_IM_PREEDIT_POSITION);
+
+ attr->style = style = gdk_im_decide_style (supported_style);
+ attr->client_window = widget->window;
+
+ if ((colormap = gtk_widget_get_colormap (widget)) !=
+ gtk_widget_get_default_colormap ())
+ {
+ attrmask |= GDK_IC_PREEDIT_COLORMAP;
+ attr->preedit_colormap = colormap;
+ }
+
+ attrmask |= GDK_IC_PREEDIT_FOREGROUND;
+ attrmask |= GDK_IC_PREEDIT_BACKGROUND;
+ attr->preedit_foreground = widget->style->fg[GTK_STATE_NORMAL];
+ attr->preedit_background = widget->style->base[GTK_STATE_NORMAL];
+
+ switch (style & GDK_IM_PREEDIT_MASK)
+ {
+ case GDK_IM_PREEDIT_POSITION:
+ if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
+ {
+ g_warning ("over-the-spot style requires fontset");
+ break;
+ }
+
+ gdk_window_get_size (widget->window, &width, &height);
+
+ attrmask |= GDK_IC_PREEDIT_POSITION_REQ;
+ attr->spot_location.x = 0;
+ attr->spot_location.y = height;
+ attr->preedit_area.x = 0;
+ attr->preedit_area.y = 0;
+ attr->preedit_area.width = width;
+ attr->preedit_area.height = height;
+ attr->preedit_fontset = widget->style->font;
+
+ break;
+ }
+
+ win->m_ic = gdk_ic_new (attr, (GdkICAttributesType)attrmask);
+
+ if (win->m_ic == NULL)
+ g_warning ("Can't create input context.");
+ else
+ {
+ mask = gdk_window_get_events (widget->window);
+ mask = (GdkEventMask)(mask | gdk_ic_get_events (win->m_ic));
+ gdk_window_set_events (widget->window, mask);
+
+ if (GTK_WIDGET_HAS_FOCUS(widget))
+ gdk_im_begin (win->m_ic, widget->window);
+ }
+#endif
+
+ return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// InsertChild for wxWindow.
+//-----------------------------------------------------------------------------
+
+/* Callback for wxWindow. 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( wxWindow* parent, wxWindow* child )
+{
+ /* the window might have been scrolled already, do we
+ have to adapt the position */
+ GtkPizza *pizza = GTK_PIZZA(parent->m_wxwindow);
+ child->m_x += pizza->xoffset;
+ child->m_y += pizza->yoffset;
+
+ gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
+ GTK_WIDGET(child->m_widget),
+ child->m_x,
+ child->m_y,
+ child->m_width,
+ child->m_height );
+}
+
+//-----------------------------------------------------------------------------
+// global functions
+//-----------------------------------------------------------------------------
+
+wxWindow* wxGetActiveWindow()
+{
+ return g_focusWindow;
+}
+
+//-----------------------------------------------------------------------------
+// wxWindow
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
+
+void wxWindow::Init()
+{
+ // common init
+ InitBase();
+
+ // GTK specific
+ m_widget = (GtkWidget *) NULL;
+ m_wxwindow = (GtkWidget *) NULL;
+
+ // position/size
+ m_x = 0;
+ m_y = 0;
+ m_width = 0;
+ m_height = 0;
+
+ m_sizeSet = FALSE;
+ m_hasVMT = FALSE;
+ m_needParent = TRUE;
+ m_isBeingDeleted = FALSE;
+
+ m_noExpose = FALSE;
+ m_nativeSizeEvent = FALSE;
+
+ m_hasScrolling = FALSE;
+ m_isScrolling = FALSE;
+
+ m_hAdjust = (GtkAdjustment*) NULL;
+ m_vAdjust = (GtkAdjustment*) NULL;
+ m_oldHorizontalPos = 0.0;
+ m_oldVerticalPos = 0.0;
+
+ m_resizing = FALSE;
+ m_widgetStyle = (GtkStyle*) NULL;
+
+ m_insertCallback = (wxInsertChildFunction) NULL;
+
+ m_isStaticBox = FALSE;
+ m_isRadioButton = FALSE;
+ m_isFrame = FALSE;
+ m_acceptsFocus = FALSE;
+
+ m_clipPaintRegion = FALSE;
+
+ m_cursor = *wxSTANDARD_CURSOR;
+
+ m_delayedForegroundColour = FALSE;
+ m_delayedBackgroundColour = FALSE;
+
+#ifdef HAVE_XIM
+ m_ic = (GdkIC*) NULL;
+ m_icattr = (GdkICAttr*) NULL;
+#endif
+}
+
+wxWindow::wxWindow()
+{
+ Init();
+}
+
+wxWindow::wxWindow( wxWindow *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ long style, const wxString &name )
+{
+ Init();
+
+ Create( parent, id, pos, size, style, name );
+}
+
+bool wxWindow::Create( wxWindow *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ long style, const wxString &name )
+{
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
+ {
+ wxFAIL_MSG( wxT("wxWindow creation failed") );
+ return FALSE;
+ }
+
+ m_insertCallback = wxInsertChildInWindow;
+
+ m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
+ GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+
+ 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;
+
+ gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+
+ m_hAdjust = gtk_range_get_adjustment( GTK_RANGE(scrolledWindow->hscrollbar) );
+ m_vAdjust = gtk_range_get_adjustment( GTK_RANGE(scrolledWindow->vscrollbar) );
+
+ m_wxwindow = gtk_pizza_new();
+
+ gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
+
+#if (GTK_MINOR_VERSION > 0)
+ GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
+
+ if (HasFlag(wxRAISED_BORDER))
+ {
+ gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_OUT );
+ }
+ else if (HasFlag(wxSUNKEN_BORDER))
+ {
+ gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_IN );
+ }
+ else if (HasFlag(wxSIMPLE_BORDER))
+ {
+ gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_THIN );
+ }
+ else
+ {
+ gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_NONE );
+ }
+#else // GTK_MINOR_VERSION == 0
+ GtkViewport *viewport = GTK_VIEWPORT(scrolledWindow->viewport);
+
+ if (HasFlag(wxRAISED_BORDER))
+ {
+ gtk_viewport_set_shadow_type( viewport, GTK_SHADOW_OUT );
+ }
+ else if (HasFlag(wxSUNKEN_BORDER))
+ {
+ gtk_viewport_set_shadow_type( viewport, GTK_SHADOW_IN );
+ }
+ else
+ {
+ gtk_viewport_set_shadow_type( viewport, GTK_SHADOW_NONE );
+ }
+#endif // GTK_MINOR_VERSION
+
+ GTK_WIDGET_SET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
+ m_acceptsFocus = TRUE;
+
+#if (GTK_MINOR_VERSION == 0)
+ // shut the viewport up
+ gtk_viewport_set_hadjustment( viewport, (GtkAdjustment*) gtk_adjustment_new( 0.0, 0.0, 0.0, 0.0, 0.0, 0.0) );
+ gtk_viewport_set_vadjustment( viewport, (GtkAdjustment*) gtk_adjustment_new( 0.0, 0.0, 0.0, 0.0, 0.0, 0.0) );
+#endif // GTK_MINOR_VERSION == 0
+
+ // I _really_ don't want scrollbars in the beginning
+ m_vAdjust->lower = 0.0;
+ m_vAdjust->upper = 1.0;
+ m_vAdjust->value = 0.0;
+ m_vAdjust->step_increment = 1.0;
+ m_vAdjust->page_increment = 1.0;
+ m_vAdjust->page_size = 5.0;
+ gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "changed" );
+ m_hAdjust->lower = 0.0;
+ m_hAdjust->upper = 1.0;
+ m_hAdjust->value = 0.0;
+ m_hAdjust->step_increment = 1.0;
+ m_hAdjust->page_increment = 1.0;
+ m_hAdjust->page_size = 5.0;
+ gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" );
+
+ // these handlers block mouse events to any window during scrolling such as
+ // motion events and prevent GTK and wxWindows from fighting over where the
+ // slider should be
+
+ gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event",
+ (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_press_event",
+ (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_release_event",
+ (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_release_event",
+ (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
+
+ // these handlers get notified when screen updates are required either when
+ // scrolling or when the window size (and therefore scrollbar configuration)
+ // has changed
+
+ gtk_signal_connect( GTK_OBJECT(m_hAdjust), "value_changed",
+ (GtkSignalFunc) gtk_window_hscroll_callback, (gpointer) this );
+ gtk_signal_connect( GTK_OBJECT(m_vAdjust), "value_changed",
+ (GtkSignalFunc) gtk_window_vscroll_callback, (gpointer) this );
+
+ gtk_widget_show( m_wxwindow );
+
+ if (m_parent)
+ m_parent->DoAddChild( this );
+
+ PostCreation();
+
+ Show( TRUE );
+
+ return TRUE;
+}
+
+wxWindow::~wxWindow()
+{
+ m_isBeingDeleted = TRUE;
+ m_hasVMT = FALSE;
+
+ if (m_widget)
+ Show( FALSE );
+
+ DestroyChildren();
+
+ if (m_parent)
+ m_parent->RemoveChild( this );
+
+#ifdef HAVE_XIM
+ if (m_ic)
+ gdk_ic_destroy (m_ic);
+ if (m_icattr)
+ gdk_ic_attr_destroy (m_icattr);
+#endif
projects / wxWidgets.git / blobdiff