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GtkPathBar: Implement get_path_for_child

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This will allow nice theming of the path bar.

https://bugzilla.gnome.org/show_bug.cgi?id=658077
This commit is contained in:
Cosimo Cecchi 2011-09-05 12:12:13 -04:00 committed by Matthias Clasen
parent f1476f31fe
commit 4ea01b2cf3
1 changed files with 103 additions and 0 deletions
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103
gtk/gtkpathbar.c
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@ -102,6 +102,8 @@ static void gtk_path_bar_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static GtkWidgetPath *gtk_path_bar_get_path_for_child (GtkContainer *container,
GtkWidget *child);
static gboolean gtk_path_bar_scroll (GtkWidget *widget,
GdkEventScroll *event);
static void gtk_path_bar_scroll_up (GtkPathBar *path_bar);
@ -234,6 +236,7 @@ gtk_path_bar_class_init (GtkPathBarClass *path_bar_class)
container_class->add = gtk_path_bar_add;
container_class->forall = gtk_path_bar_forall;
container_class->remove = gtk_path_bar_remove;
container_class->get_path_for_child = gtk_path_bar_get_path_for_child;
gtk_container_class_handle_border_width (container_class);
/* FIXME: */
/* container_class->child_type = gtk_path_bar_child_type;*/
@ -479,6 +482,24 @@ gtk_path_bar_unrealize (GtkWidget *widget)
GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->unrealize (widget);
}
static void
child_ordering_changed (GtkPathBar *path_bar)
{
GList *l;
if (path_bar->up_slider_button)
gtk_widget_reset_style (path_bar->up_slider_button);
if (path_bar->down_slider_button)
gtk_widget_reset_style (path_bar->down_slider_button);
for (l = path_bar->button_list; l; l = l->next)
{
ButtonData *data = l->data;
gtk_widget_reset_style (data->button);
}
}
/* This is a tad complicated
*/
static void
@ -706,6 +727,8 @@ gtk_path_bar_size_allocate (GtkWidget *widget,
}
else
gtk_widget_set_child_visible (path_bar->down_slider_button, FALSE);
child_ordering_changed (path_bar);
}
static void
@ -752,6 +775,7 @@ gtk_path_bar_scroll (GtkWidget *widget,
static void
gtk_path_bar_add (GtkContainer *container,
GtkWidget *widget)
{
gtk_widget_set_parent (widget, GTK_WIDGET (container));
}
@ -833,6 +857,82 @@ gtk_path_bar_forall (GtkContainer *container,
(* callback) (path_bar->down_slider_button, callback_data);
}
static GtkWidgetPath *
gtk_path_bar_get_path_for_child (GtkContainer *container,
GtkWidget *child)
{
GtkPathBar *path_bar = GTK_PATH_BAR (container);
GtkWidgetPath *path;
path = gtk_widget_path_copy (gtk_widget_get_path (GTK_WIDGET (path_bar)));
if (gtk_widget_get_visible (child) &&
gtk_widget_get_child_visible (child))
{
GtkWidgetPath *sibling_path;
GList *visible_children;
GList *l;
int pos;
/* 1. Build the list of visible children, in visually left-to-right order
* (i.e. independently of the widget's direction). Note that our
* button_list is stored in innermost-to-outermost path order!
*/
visible_children = NULL;
if (gtk_widget_get_visible (path_bar->down_slider_button) &&
gtk_widget_get_child_visible (path_bar->down_slider_button))
visible_children = g_list_prepend (visible_children, path_bar->down_slider_button);
for (l = path_bar->button_list; l; l = l->next)
{
ButtonData *data = l->data;
if (gtk_widget_get_visible (data->button) &&
gtk_widget_get_child_visible (data->button))
visible_children = g_list_prepend (visible_children, data->button);
}
if (gtk_widget_get_visible (path_bar->up_slider_button) &&
gtk_widget_get_child_visible (path_bar->up_slider_button))
visible_children = g_list_prepend (visible_children, path_bar->up_slider_button);
if (gtk_widget_get_direction (GTK_WIDGET (path_bar)) == GTK_TEXT_DIR_RTL)
visible_children = g_list_reverse (visible_children);
/* 2. Find the index of the child within that list */
pos = 0;
for (l = visible_children; l; l = l->next)
{
GtkWidget *button = l->data;
if (button == child)
break;
pos++;
}
/* 3. Build the path */
sibling_path = gtk_widget_path_new ();
for (l = visible_children; l; l = l->next)
gtk_widget_path_append_for_widget (sibling_path, l->data);
gtk_widget_path_append_with_siblings (path, sibling_path, pos);
g_list_free (visible_children);
gtk_widget_path_unref (sibling_path);
}
else
gtk_widget_path_append_for_widget (path, child);
return path;
}
static void
gtk_path_bar_scroll_down (GtkPathBar *path_bar)
{
@ -1671,6 +1771,9 @@ gtk_path_bar_set_file_finish (struct SetFileInfo *info,
g_object_unref (info->file);
if (info->parent_file)
g_object_unref (info->parent_file);
child_ordering_changed (info->path_bar);
g_free (info);
}