]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkviewport.c
Deprecate widget flag: GTK_WIDGET_MAPPED
[~andy/gtk] / gtk / gtkviewport.c
index 9969c0a0d1af14306fbd717cc1f0dee99cc6adab..d9e35fb0d2b3ab58c149e971dd5360b994d377a0 100644 (file)
  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
  */
 
-#include <config.h>
+#include "config.h"
 #include "gtkviewport.h"
 #include "gtkintl.h"
 #include "gtkmarshalers.h"
+#include "gtkprivate.h"
+#include "gtkalias.h"
 
 enum {
   PROP_0,
@@ -37,8 +39,6 @@ enum {
 };
 
 
-static void gtk_viewport_class_init               (GtkViewportClass *klass);
-static void gtk_viewport_init                     (GtkViewport      *viewport);
 static void gtk_viewport_finalize                 (GObject          *object);
 static void gtk_viewport_destroy                  (GtkObject        *object);
 static void gtk_viewport_set_property             (GObject         *object,
@@ -69,34 +69,7 @@ static void gtk_viewport_adjustment_value_changed (GtkAdjustment    *adjustment,
 static void gtk_viewport_style_set                (GtkWidget *widget,
                                                   GtkStyle  *previous_style);
 
-static GtkBinClass *parent_class;
-
-GType
-gtk_viewport_get_type (void)
-{
-  static GType viewport_type = 0;
-
-  if (!viewport_type)
-    {
-      static const GTypeInfo viewport_info =
-      {
-       sizeof (GtkViewportClass),
-       NULL,           /* base_init */
-       NULL,           /* base_finalize */
-       (GClassInitFunc) gtk_viewport_class_init,
-       NULL,           /* class_finalize */
-       NULL,           /* class_data */
-       sizeof (GtkViewport),
-       0,              /* n_preallocs */
-       (GInstanceInitFunc) gtk_viewport_init,
-      };
-
-      viewport_type = g_type_register_static (GTK_TYPE_BIN, "GtkViewport",
-                                             &viewport_info, 0);
-    }
-
-  return viewport_type;
-}
+G_DEFINE_TYPE (GtkViewport, gtk_viewport, GTK_TYPE_BIN)
 
 static void
 gtk_viewport_class_init (GtkViewportClass *class)
@@ -111,8 +84,6 @@ gtk_viewport_class_init (GtkViewportClass *class)
   widget_class = (GtkWidgetClass*) class;
   container_class = (GtkContainerClass*) class;
 
-  parent_class = g_type_class_peek_parent (class);
-
   gobject_class->finalize = gtk_viewport_finalize;
   gobject_class->set_property = gtk_viewport_set_property;
   gobject_class->get_property = gtk_viewport_get_property;
@@ -135,7 +106,7 @@ gtk_viewport_class_init (GtkViewportClass *class)
                                                        P_("Horizontal adjustment"),
                                                        P_("The GtkAdjustment that determines the values of the horizontal position for this viewport"),
                                                         GTK_TYPE_ADJUSTMENT,
-                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+                                                        GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 
   g_object_class_install_property (gobject_class,
                                    PROP_VADJUSTMENT,
@@ -143,19 +114,28 @@ gtk_viewport_class_init (GtkViewportClass *class)
                                                        P_("Vertical adjustment"),
                                                        P_("The GtkAdjustment that determines the values of the vertical position for this viewport"),
                                                         GTK_TYPE_ADJUSTMENT,
-                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+                                                        GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 
   g_object_class_install_property (gobject_class,
                                    PROP_SHADOW_TYPE,
-                                   g_param_spec_enum ("shadow_type",
+                                   g_param_spec_enum ("shadow-type",
                                                      P_("Shadow type"),
                                                      P_("Determines how the shadowed box around the viewport is drawn"),
                                                      GTK_TYPE_SHADOW_TYPE,
                                                      GTK_SHADOW_IN,
-                                                     G_PARAM_READWRITE));
-
+                                                     GTK_PARAM_READWRITE));
+
+  /**
+   * GtkViewport::set-scroll-adjustments
+   * @horizontal: the horizontal #GtkAdjustment
+   * @vertical: the vertical #GtkAdjustment
+   *
+   * Set the scroll adjustments for the viewport. Usually scrolled containers
+   * like #GtkScrolledWindow will emit this signal to connect two instances
+   * of #GtkScrollbar to the scroll directions of the #GtkViewport.
+   */
   widget_class->set_scroll_adjustments_signal =
-    g_signal_new ("set_scroll_adjustments",
+    g_signal_new (I_("set-scroll-adjustments"),
                  G_OBJECT_CLASS_TYPE (gobject_class),
                  G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
                  G_STRUCT_OFFSET (GtkViewportClass, set_scroll_adjustments),
@@ -250,7 +230,7 @@ gtk_viewport_new (GtkAdjustment *hadjustment,
 {
   GtkWidget *viewport;
 
-  viewport = gtk_widget_new (GTK_TYPE_VIEWPORT,
+  viewport = g_object_new (GTK_TYPE_VIEWPORT,
                             "hadjustment", hadjustment,
                             "vadjustment", vadjustment,
                             NULL);
@@ -286,7 +266,7 @@ gtk_viewport_finalize (GObject *object)
   viewport_disconnect_adjustment (viewport, GTK_ORIENTATION_HORIZONTAL);
   viewport_disconnect_adjustment (viewport, GTK_ORIENTATION_VERTICAL);
 
-  G_OBJECT_CLASS (parent_class)->finalize (object);
+  G_OBJECT_CLASS (gtk_viewport_parent_class)->finalize (object);
 }
 
 static void
@@ -297,7 +277,7 @@ gtk_viewport_destroy (GtkObject *object)
   viewport_disconnect_adjustment (viewport, GTK_ORIENTATION_HORIZONTAL);
   viewport_disconnect_adjustment (viewport, GTK_ORIENTATION_VERTICAL);
 
-  GTK_OBJECT_CLASS (parent_class)->destroy (object);
+  GTK_OBJECT_CLASS (gtk_viewport_parent_class)->destroy (object);
 }
 
 /**
@@ -398,7 +378,7 @@ viewport_set_hadjustment_values (GtkViewport *viewport,
   
   hadjustment->lower = 0;
 
-  if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
+  if (bin->child && gtk_widget_get_visible (bin->child))
     {
       GtkRequisition child_requisition;
       
@@ -435,7 +415,7 @@ viewport_set_vadjustment_values (GtkViewport *viewport,
   
   vadjustment->lower = 0;
 
-  if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
+  if (bin->child && gtk_widget_get_visible (bin->child))
     {
       GtkRequisition child_requisition;
       
@@ -462,18 +442,16 @@ viewport_set_adjustment (GtkViewport    *viewport,
   if (!adjustment)
     adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0,
                                                     0.0, 0.0, 0.0));
-  if (*adjustmentp)
-    g_object_unref (*adjustmentp);
+  viewport_disconnect_adjustment (viewport, orientation);
   *adjustmentp = adjustment;
-  g_object_ref (adjustment);
-  gtk_object_sink (GTK_OBJECT (adjustment));
+  g_object_ref_sink (adjustment);
 
   if (orientation == GTK_ORIENTATION_HORIZONTAL)
     viewport_set_hadjustment_values (viewport, &value_changed);
   else
     viewport_set_vadjustment_values (viewport, &value_changed);
 
-  g_signal_connect (adjustment, "value_changed",
+  g_signal_connect (adjustment, "value-changed",
                    G_CALLBACK (gtk_viewport_adjustment_value_changed),
                    viewport);
 
@@ -488,8 +466,8 @@ viewport_set_adjustment (GtkViewport    *viewport,
 /**
  * gtk_viewport_set_hadjustment:
  * @viewport: a #GtkViewport.
- * @adjustment: a #GtkAdjustment.
- * 
+ * @adjustment: (allow-none): a #GtkAdjustment.
+ *
  * Sets the horizontal adjustment of the viewport.
  **/
 void
@@ -508,8 +486,8 @@ gtk_viewport_set_hadjustment (GtkViewport   *viewport,
 /**
  * gtk_viewport_set_vadjustment:
  * @viewport: a #GtkViewport.
- * @adjustment: a #GtkAdjustment.
- * 
+ * @adjustment: (allow-none): a #GtkAdjustment.
+ *
  * Sets the vertical adjustment of the viewport.
  **/
 void
@@ -551,13 +529,13 @@ gtk_viewport_set_shadow_type (GtkViewport   *viewport,
     {
       viewport->shadow_type = type;
 
-      if (GTK_WIDGET_VISIBLE (viewport))
+      if (gtk_widget_get_visible (GTK_WIDGET (viewport)))
        {
          gtk_widget_size_allocate (GTK_WIDGET (viewport), &(GTK_WIDGET (viewport)->allocation));
          gtk_widget_queue_draw (GTK_WIDGET (viewport));
        }
 
-      g_object_notify (G_OBJECT (viewport), "shadow_type");
+      g_object_notify (G_OBJECT (viewport), "shadow-type");
     }
 }
 
@@ -578,6 +556,24 @@ gtk_viewport_get_shadow_type (GtkViewport *viewport)
   return viewport->shadow_type;
 }
 
+/**
+ * gtk_viewport_get_bin_window:
+ * @viewport: a #GtkViewport
+ *
+ * Gets the bin window of the #GtkViewport.
+ *
+ * Return value: a #GdkWindow
+ *
+ * Since: 2.20
+ **/
+GdkWindow*
+gtk_viewport_get_bin_window (GtkViewport *viewport)
+{
+  g_return_val_if_fail (GTK_IS_VIEWPORT (viewport), NULL);
+
+  return viewport->bin_window;
+}
+
 static void
 gtk_viewport_realize (GtkWidget *widget)
 {
@@ -625,6 +621,8 @@ gtk_viewport_realize (GtkWidget *widget)
   viewport->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
   gdk_window_set_user_data (viewport->view_window, viewport);
 
+  gdk_window_set_back_pixmap (viewport->view_window, NULL, FALSE);
+  
   attributes.x = - hadjustment->value;
   attributes.y = - vadjustment->value;
   attributes.width = hadjustment->upper;
@@ -666,26 +664,20 @@ gtk_viewport_unrealize (GtkWidget *widget)
   gdk_window_destroy (viewport->bin_window);
   viewport->bin_window = NULL;
 
-  if (GTK_WIDGET_CLASS (parent_class)->unrealize)
-    (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+  GTK_WIDGET_CLASS (gtk_viewport_parent_class)->unrealize (widget);
 }
 
 static void
 gtk_viewport_paint (GtkWidget    *widget,
                    GdkRectangle *area)
 {
-  GtkViewport *viewport;
-
-  g_return_if_fail (GTK_IS_VIEWPORT (widget));
-  g_return_if_fail (area != NULL);
-
-  if (GTK_WIDGET_DRAWABLE (widget))
+  if (gtk_widget_is_drawable (widget))
     {
-      viewport = GTK_VIEWPORT (widget);
+      GtkViewport *viewport = GTK_VIEWPORT (widget);
 
       gtk_paint_shadow (widget->style, widget->window,
                        GTK_STATE_NORMAL, viewport->shadow_type,
-                       NULL, widget, "viewport",
+                       area, widget, "viewport",
                        0, 0, -1, -1);
     }
 }
@@ -695,12 +687,10 @@ gtk_viewport_expose (GtkWidget      *widget,
                     GdkEventExpose *event)
 {
   GtkViewport *viewport;
-  GtkBin *bin;
 
-  if (GTK_WIDGET_DRAWABLE (widget))
+  if (gtk_widget_is_drawable (widget))
     {
       viewport = GTK_VIEWPORT (widget);
-      bin = GTK_BIN (widget);
 
       if (event->window == widget->window)
        gtk_viewport_paint (widget, &event->area);
@@ -710,8 +700,8 @@ gtk_viewport_expose (GtkWidget      *widget,
                             GTK_STATE_NORMAL, GTK_SHADOW_NONE,
                             &event->area, widget, "viewportbin",
                             0, 0, -1, -1);
-         
-         (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
+
+         GTK_WIDGET_CLASS (gtk_viewport_parent_class)->expose_event (widget, event);
        }
     }
 
@@ -722,36 +712,33 @@ static void
 gtk_viewport_add (GtkContainer *container,
                  GtkWidget    *child)
 {
-  GtkBin *bin;
-
-  g_return_if_fail (GTK_IS_WIDGET (child));
+  GtkBin *bin = GTK_BIN (container);
 
-  bin = GTK_BIN (container);
   g_return_if_fail (bin->child == NULL);
 
   gtk_widget_set_parent_window (child, GTK_VIEWPORT (bin)->bin_window);
 
-  GTK_CONTAINER_CLASS (parent_class)->add (container, child);
+  GTK_CONTAINER_CLASS (gtk_viewport_parent_class)->add (container, child);
 }
 
 static void
 gtk_viewport_size_request (GtkWidget      *widget,
                           GtkRequisition *requisition)
 {
-  GtkViewport *viewport;
-  GtkBin *bin;
+  GtkBin *bin = GTK_BIN (widget);
   GtkRequisition child_requisition;
 
-  viewport = GTK_VIEWPORT (widget);
-  bin = GTK_BIN (widget);
+  requisition->width = GTK_CONTAINER (widget)->border_width;
 
-  requisition->width = (GTK_CONTAINER (widget)->border_width +
-                       GTK_WIDGET (widget)->style->xthickness) * 2;
+  requisition->height = GTK_CONTAINER (widget)->border_width;
 
-  requisition->height = (GTK_CONTAINER (widget)->border_width * 2 +
-                        GTK_WIDGET (widget)->style->ythickness) * 2;
+  if (GTK_VIEWPORT (widget)->shadow_type != GTK_SHADOW_NONE)
+    {
+      requisition->width += 2 * widget->style->xthickness;
+      requisition->height += 2 * widget->style->ythickness;
+    }
 
-  if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
+  if (bin->child && gtk_widget_get_visible (bin->child))
     {
       gtk_widget_size_request (bin->child, &child_requisition);
       requisition->width += child_requisition.width;
@@ -767,61 +754,51 @@ gtk_viewport_size_allocate (GtkWidget     *widget,
   GtkBin *bin = GTK_BIN (widget);
   gint border_width = GTK_CONTAINER (widget)->border_width;
   gboolean hadjustment_value_changed, vadjustment_value_changed;
-
   GtkAdjustment *hadjustment = gtk_viewport_get_hadjustment (viewport);
   GtkAdjustment *vadjustment = gtk_viewport_get_vadjustment (viewport);
+  GtkAllocation child_allocation;
 
   /* If our size changed, and we have a shadow, queue a redraw on widget->window to
    * redraw the shadow correctly.
    */
-  if (GTK_WIDGET_MAPPED (widget) &&
+  if (gtk_widget_get_mapped (widget) &&
       viewport->shadow_type != GTK_SHADOW_NONE &&
       (widget->allocation.width != allocation->width ||
        widget->allocation.height != allocation->height))
     gdk_window_invalidate_rect (widget->window, NULL, FALSE);
   
   widget->allocation = *allocation;
-
+  
   viewport_set_hadjustment_values (viewport, &hadjustment_value_changed);
   viewport_set_vadjustment_values (viewport, &vadjustment_value_changed);
-
+  
+  child_allocation.x = 0;
+  child_allocation.y = 0;
+  child_allocation.width = hadjustment->upper;
+  child_allocation.height = vadjustment->upper;
   if (GTK_WIDGET_REALIZED (widget))
     {
       GtkAllocation view_allocation;
-      
-      viewport_get_view_allocation (viewport, &view_allocation);
-  
       gdk_window_move_resize (widget->window,
                              allocation->x + border_width,
                              allocation->y + border_width,
                              allocation->width - border_width * 2,
                              allocation->height - border_width * 2);
-
+      
+      viewport_get_view_allocation (viewport, &view_allocation);
       gdk_window_move_resize (viewport->view_window,
                              view_allocation.x,
                              view_allocation.y,
                              view_allocation.width,
                              view_allocation.height);
+      gdk_window_move_resize (viewport->bin_window,
+                              - hadjustment->value,
+                              - vadjustment->value,
+                              child_allocation.width,
+                              child_allocation.height);
     }
-
-  if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
-    {
-      GtkAllocation child_allocation;
-      
-      child_allocation.x = 0;
-      child_allocation.y = 0;
-      child_allocation.width = hadjustment->upper;
-      child_allocation.height = vadjustment->upper;
-
-      if (GTK_WIDGET_REALIZED (widget))
-       gdk_window_move_resize (viewport->bin_window,
-                               - hadjustment->value,
-                               - vadjustment->value,
-                               child_allocation.width,
-                               child_allocation.height);
-
-      gtk_widget_size_allocate (bin->child, &child_allocation);
-    }
+  if (bin->child && gtk_widget_get_visible (bin->child))
+    gtk_widget_size_allocate (bin->child, &child_allocation);
 
   gtk_adjustment_changed (hadjustment);
   gtk_adjustment_changed (vadjustment);
@@ -835,16 +812,10 @@ static void
 gtk_viewport_adjustment_value_changed (GtkAdjustment *adjustment,
                                       gpointer       data)
 {
-  GtkViewport *viewport;
-  GtkBin *bin;
-
-  g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
-  g_return_if_fail (GTK_IS_VIEWPORT (data));
-
-  viewport = GTK_VIEWPORT (data);
-  bin = GTK_BIN (data);
+  GtkViewport *viewport = GTK_VIEWPORT (data);
+  GtkBin *bin = GTK_BIN (data);
 
-  if (bin->child && GTK_WIDGET_VISIBLE (bin->child)  &&
+  if (bin->child && gtk_widget_get_visible (bin->child)  &&
       GTK_WIDGET_REALIZED (viewport))
     {
       GtkAdjustment *hadjustment = gtk_viewport_get_hadjustment (viewport);
@@ -868,14 +839,15 @@ static void
 gtk_viewport_style_set (GtkWidget *widget,
                        GtkStyle  *previous_style)
 {
-   GtkViewport *viewport;
-   
    if (GTK_WIDGET_REALIZED (widget) &&
-       !GTK_WIDGET_NO_WINDOW (widget))
+       gtk_widget_get_has_window (widget))
      {
-       viewport = GTK_VIEWPORT (widget);
-       
+       GtkViewport *viewport = GTK_VIEWPORT (widget);
+
        gtk_style_set_background (widget->style, viewport->bin_window, GTK_STATE_NORMAL);
        gtk_style_set_background (widget->style, widget->window, widget->state);
      }
 }
+
+#define __GTK_VIEWPORT_C__
+#include "gtkaliasdef.c"