static void
gimp_view_renderer_dispose (GObject *object)
{
GimpViewRenderer *renderer = GIMP_VIEW_RENDERER (object);
if (renderer->viewable)
gimp_view_renderer_set_viewable (renderer, NULL);
if (renderer->context)
gimp_view_renderer_set_context (renderer, NULL);
gimp_view_renderer_remove_idle (renderer);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_container_combo_box_set (GimpContainerComboBox *combo_box,
GtkTreeIter *iter,
GimpViewable *viewable)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (combo_box);
GtkTreeModel *model;
GimpViewRenderer *renderer;
gchar *name;
gint view_size;
gint border_width;
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
view_size = gimp_container_view_get_view_size (view, &border_width);
name = gimp_viewable_get_description (viewable, NULL);
renderer = gimp_view_renderer_new (gimp_container_view_get_context (view),
G_TYPE_FROM_INSTANCE (viewable),
view_size, border_width,
FALSE);
gimp_view_renderer_set_viewable (renderer, viewable);
gimp_view_renderer_remove_idle (renderer);
g_signal_connect (renderer, "update",
G_CALLBACK (gimp_container_combo_box_renderer_update),
view);
gtk_list_store_set (GTK_LIST_STORE (model), iter,
COLUMN_RENDERER, renderer,
COLUMN_NAME, name,
-1);
g_object_unref (renderer);
g_free (name);
}
static void
gimp_component_editor_create_components (GimpComponentEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
gint n_components = 0;
GimpChannelType components[MAX_CHANNELS];
GEnumClass *enum_class;
gint i;
switch (gimp_image_base_type (image))
{
case GIMP_RGB:
n_components = 3;
components[0] = GIMP_RED_CHANNEL;
components[1] = GIMP_GREEN_CHANNEL;
components[2] = GIMP_BLUE_CHANNEL;
break;
case GIMP_GRAY:
n_components = 1;
components[0] = GIMP_GRAY_CHANNEL;
break;
case GIMP_INDEXED:
n_components = 1;
components[0] = GIMP_INDEXED_CHANNEL;
break;
}
if (gimp_image_has_alpha (image))
components[n_components++] = GIMP_ALPHA_CHANNEL;
enum_class = g_type_class_ref (GIMP_TYPE_CHANNEL_TYPE);
for (i = 0; i < n_components; i++)
{
GimpViewRenderer *renderer;
GtkTreeIter iter;
GEnumValue *enum_value;
const gchar *desc;
gboolean visible;
visible = gimp_image_get_component_visible (image, components[i]);
renderer = gimp_view_renderer_new (GIMP_IMAGE_EDITOR (editor)->context,
G_TYPE_FROM_INSTANCE (image),
editor->view_size, 1, FALSE);
gimp_view_renderer_set_viewable (renderer, GIMP_VIEWABLE (image));
gimp_view_renderer_remove_idle (renderer);
GIMP_VIEW_RENDERER_IMAGE (renderer)->channel = components[i];
g_signal_connect (renderer, "update",
G_CALLBACK (gimp_component_editor_renderer_update),
editor);
enum_value = g_enum_get_value (enum_class, components[i]);
desc = gimp_enum_value_get_desc (enum_class, enum_value);
gtk_list_store_append (GTK_LIST_STORE (editor->model), &iter);
gtk_list_store_set (GTK_LIST_STORE (editor->model), &iter,
COLUMN_CHANNEL, components[i],
COLUMN_VISIBLE, visible,
COLUMN_RENDERER, renderer,
COLUMN_NAME, desc,
-1);
g_object_unref (renderer);
if (gimp_image_get_component_active (image, components[i]))
gtk_tree_selection_select_iter (editor->selection, &iter);
}
g_type_class_unref (enum_class);
}
static void
gimp_view_real_set_viewable (GimpView *view,
GimpViewable *old,
GimpViewable *viewable)
{
GType viewable_type = G_TYPE_NONE;
if (viewable == view->viewable)
return;
if (viewable)
{
viewable_type = G_TYPE_FROM_INSTANCE (viewable);
g_return_if_fail (g_type_is_a (viewable_type,
view->renderer->viewable_type));
}
if (view->viewable)
{
g_object_remove_weak_pointer (G_OBJECT (view->viewable),
(gpointer) &view->viewable);
if (! viewable && ! view->renderer->is_popup)
{
if (gimp_dnd_viewable_source_remove (GTK_WIDGET (view),
G_TYPE_FROM_INSTANCE (view->viewable)))
{
if (gimp_viewable_get_size (view->viewable, NULL, NULL))
gimp_dnd_pixbuf_source_remove (GTK_WIDGET (view));
gtk_drag_source_unset (GTK_WIDGET (view));
}
}
}
else if (viewable && ! view->renderer->is_popup)
{
if (gimp_dnd_drag_source_set_by_type (GTK_WIDGET (view),
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
viewable_type,
GDK_ACTION_COPY))
{
gimp_dnd_viewable_source_add (GTK_WIDGET (view),
viewable_type,
gimp_view_drag_viewable,
NULL);
if (gimp_viewable_get_size (viewable, NULL, NULL))
gimp_dnd_pixbuf_source_add (GTK_WIDGET (view),
gimp_view_drag_pixbuf,
NULL);
}
}
gimp_view_renderer_set_viewable (view->renderer, viewable);
view->viewable = viewable;
if (view->viewable)
{
g_object_add_weak_pointer (G_OBJECT (view->viewable),
(gpointer) &view->viewable);
}
}
