Commit 6b900cf2 authored by Cosimo Cecchi's avatar Cosimo Cecchi

app-chooser-widget: add a 'populate-popup' signal for context menus

This way applications can append items to the menu, which will
automatically show when there's more than one item in it.
parent 783b3639
......@@ -85,6 +85,7 @@ enum {
enum {
SIGNAL_APPLICATION_SELECTED,
SIGNAL_APPLICATION_ACTIVATED,
SIGNAL_POPULATE_POPUP,
N_SIGNALS
};
......@@ -136,6 +137,86 @@ refresh_and_emit_app_selected (GtkAppChooserWidget *self,
self->priv->selected_app_info);
}
static GAppInfo *
get_app_info_for_event (GtkAppChooserWidget *self,
GdkEventButton *event)
{
GtkTreePath *path = NULL;
GtkTreeIter iter;
GtkTreeModel *model;
GAppInfo *info;
gboolean recommended;
if (!gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (self->priv->program_list),
event->x, event->y,
&path,
NULL, NULL, NULL))
return NULL;
model = gtk_tree_view_get_model (GTK_TREE_VIEW (self->priv->program_list));
if (!gtk_tree_model_get_iter (model, &iter, path))
{
gtk_tree_path_free (path);
return NULL;
}
/* we only allow interaction with recommended applications */
gtk_tree_model_get (model, &iter,
COLUMN_APP_INFO, &info,
COLUMN_RECOMMENDED, &recommended,
-1);
if (!recommended)
g_clear_object (&info);
return info;
}
static gboolean
widget_button_press_event_cb (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
{
GtkAppChooserWidget *self = user_data;
if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
{
GAppInfo *info;
GtkWidget *menu;
GList *children;
gint n_children;
info = get_app_info_for_event (self, event);
if (info == NULL)
return FALSE;
menu = gtk_menu_new ();
g_signal_emit (self, signals[SIGNAL_POPULATE_POPUP], 0,
menu, info);
g_object_unref (info);
/* see if clients added menu items to this container */
children = gtk_container_get_children (GTK_CONTAINER (menu));
n_children = g_list_length (children);
if (n_children > 0)
{
/* actually popup the menu */
gtk_menu_attach_to_widget (GTK_MENU (menu), self->priv->program_list, NULL);
gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
event->button, event->time);
}
g_list_free (children);
}
return FALSE;
}
static gboolean
path_is_heading (GtkTreeView *view,
GtkTreePath *path)
......@@ -972,6 +1053,16 @@ gtk_app_chooser_widget_class_init (GtkAppChooserWidgetClass *klass)
G_TYPE_NONE,
1, G_TYPE_APP_INFO);
signals[SIGNAL_POPULATE_POPUP] =
g_signal_new ("populate-popup",
GTK_TYPE_APP_CHOOSER_WIDGET,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkAppChooserWidgetClass, populate_popup),
NULL, NULL,
_gtk_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE,
2, GTK_TYPE_MENU, G_TYPE_APP_INFO);
g_type_class_add_private (klass, sizeof (GtkAppChooserWidgetPrivate));
}
......@@ -1011,6 +1102,9 @@ gtk_app_chooser_widget_init (GtkAppChooserWidget *self)
g_signal_connect (self->priv->program_list, "row-activated",
G_CALLBACK (program_list_selection_activated),
self);
g_signal_connect (self->priv->program_list, "button-press-event",
G_CALLBACK (widget_button_press_event_cb),
self);
}
static GAppInfo *
......
......@@ -32,6 +32,7 @@
#define __GTK_APP_CHOOSER_WIDGET_H__
#include <gtk/gtkbox.h>
#include <gtk/gtkmenu.h>
#include <gio/gio.h>
#define GTK_TYPE_APP_CHOOSER_WIDGET\
......@@ -67,6 +68,10 @@ struct _GtkAppChooserWidgetClass {
void (* application_activated) (GtkAppChooserWidget *self,
GAppInfo *app_info);
void (* populate_popup) (GtkAppChooserWidget *self,
GtkMenu *menu,
GAppInfo *app_info);
/* padding for future class expansion */
gpointer padding[16];
};
......
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