diff options
| -rw-r--r-- | gtk/gtkgesturezoom.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gtk/gtkgesturezoom.c b/gtk/gtkgesturezoom.c index f242d6d4eb..648d0bbc8e 100644 --- a/gtk/gtkgesturezoom.c +++ b/gtk/gtkgesturezoom.c @@ -17,6 +17,19 @@ * * Author(s): Carlos Garnacho <carlosg@gnome.org> */ + +/** + * SECTION:gtkgesturezoom + * @Short_description: Zoom gesture + * @Title: GtkGestureZoom + * @See_also: #GtkGestureRotate + * + * #GtkGestureZoom is a #GtkGesture implementation able to recognize + * pinch/zoom gestures, whenever the distance between both tracked + * sequences changes, the #GtkGestureZoom:scale-changed signal is + * emitted to report the scale factor. + */ + #include "config.h" #include <math.h> #include <gtk/gtkgesturezoom.h> @@ -138,6 +151,11 @@ gtk_gesture_zoom_class_init (GtkGestureZoomClass *klass) * GtkGestureZoom::scale-changed: * @controller: the object on which the signal is emitted * @scale: Scale delta, taking the initial state as 1:1 + * + * This signal is emitted whenever the distance between both tracked + * sequences changes. + * + * Since: 3.14 */ signals[SCALE_CHANGED] = g_signal_new ("scale-changed", |