forked from AuroraMiddleware/gtk
Hook GtkTimeline up to GdkFrameClock
Use GdkFrameClock for the timing of GtkTimeline. This require the user to provide either a GtkWidget or a GdkFrameClock when creating the timeline. The default constructor now takes a GtkWidget. If you want to create a GdkFrameClock without a widget, you need to use g_object_new() and pass in a GdkFrameClock and GdkScreen. https://bugzilla.gnome.org/show_bug.cgi?id=685460
This commit is contained in:
Owen W. Taylor
parent
cbce5bcd0b
commit
314dadca82
@ -194,6 +194,7 @@
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#include <gtk/gtktexttagtable.h>
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#include <gtk/gtktextview.h>
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#include <gtk/gtkthemingengine.h>
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#include <gtk/gtktimeline.h>
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#include <gtk/gtktoggleaction.h>
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#include <gtk/gtktogglebutton.h>
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#include <gtk/gtktoggletoolbutton.h>
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@ -20,30 +20,30 @@
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#include <gtk/gtksettings.h>
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#include <math.h>
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#define MSECS_PER_SEC 1000
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#define FRAME_INTERVAL(nframes) (MSECS_PER_SEC / nframes)
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#define DEFAULT_FPS 30
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typedef struct GtkTimelinePriv GtkTimelinePriv;
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struct GtkTimelinePriv
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{
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guint duration;
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guint source_id;
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GTimer *timer;
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guint64 last_time;
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gdouble elapsed_time;
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gdouble progress;
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gdouble last_progress;
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GtkWidget *widget;
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GdkFrameClock *frame_clock;
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GdkScreen *screen;
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guint update_id;
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GtkTimelineProgressType progress_type;
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guint animations_enabled : 1;
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guint loop : 1;
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guint direction : 1;
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guint running : 1;
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};
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enum {
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@ -51,7 +51,9 @@ enum {
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PROP_DURATION,
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PROP_LOOP,
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PROP_DIRECTION,
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PROP_SCREEN
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PROP_FRAME_CLOCK,
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PROP_SCREEN,
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PROP_WIDGET
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};
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enum {
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@ -65,6 +67,11 @@ enum {
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static guint signals [LAST_SIGNAL] = { 0, };
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static void gtk_timeline_start_running (GtkTimeline *timeline);
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static void gtk_timeline_stop_running (GtkTimeline *timeline);
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static void frame_clock_target_iface_init (GdkFrameClockTargetInterface *target);
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static void gtk_timeline_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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@ -75,9 +82,11 @@ static void gtk_timeline_get_property (GObject *object,
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GParamSpec *pspec);
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static void gtk_timeline_finalize (GObject *object);
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static void gtk_timeline_set_clock (GdkFrameClockTarget *target,
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GdkFrameClock *frame_clock);
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G_DEFINE_TYPE (GtkTimeline, gtk_timeline, G_TYPE_OBJECT)
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G_DEFINE_TYPE_WITH_CODE (GtkTimeline, gtk_timeline, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (GDK_TYPE_FRAME_CLOCK_TARGET, frame_clock_target_iface_init))
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static void
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gtk_timeline_class_init (GtkTimelineClass *klass)
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@ -103,13 +112,27 @@ gtk_timeline_class_init (GtkTimelineClass *klass)
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"Whether the timeline loops or not",
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FALSE,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_FRAME_CLOCK,
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g_param_spec_object ("paint-clock",
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"Frame Clock",
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"clock used for timing the animation (not needed if :widget is set)",
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GDK_TYPE_FRAME_CLOCK,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_SCREEN,
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g_param_spec_object ("screen",
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"Screen",
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"Screen to get the settings from",
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"Screen to get the settings from (not needed if :widget is set)",
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GDK_TYPE_SCREEN,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_WIDGET,
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g_param_spec_object ("widget",
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"Widget",
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"Widget the timeline will be used with",
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GTK_TYPE_WIDGET,
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G_PARAM_READWRITE));
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signals[STARTED] =
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g_signal_new ("started",
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@ -151,6 +174,12 @@ gtk_timeline_class_init (GtkTimelineClass *klass)
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g_type_class_add_private (klass, sizeof (GtkTimelinePriv));
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}
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static void
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frame_clock_target_iface_init (GdkFrameClockTargetInterface *iface)
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{
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iface->set_clock = gtk_timeline_set_clock;
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}
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static void
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gtk_timeline_init (GtkTimeline *timeline)
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{
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@ -162,6 +191,7 @@ gtk_timeline_init (GtkTimeline *timeline)
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priv->duration = 0.0;
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priv->direction = GTK_TIMELINE_DIRECTION_FORWARD;
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priv->progress_type = GTK_TIMELINE_PROGRESS_EASE_OUT;
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priv->screen = gdk_screen_get_default ();
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priv->last_progress = 0;
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@ -188,10 +218,18 @@ gtk_timeline_set_property (GObject *object,
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case PROP_DIRECTION:
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gtk_timeline_set_direction (timeline, g_value_get_enum (value));
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break;
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case PROP_FRAME_CLOCK:
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gtk_timeline_set_frame_clock (timeline,
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GDK_FRAME_CLOCK (g_value_get_object (value)));
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break;
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case PROP_SCREEN:
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gtk_timeline_set_screen (timeline,
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GDK_SCREEN (g_value_get_object (value)));
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break;
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case PROP_WIDGET:
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gtk_timeline_set_widget (timeline,
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GTK_WIDGET (g_value_get_object (value)));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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@ -220,9 +258,15 @@ gtk_timeline_get_property (GObject *object,
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case PROP_DIRECTION:
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g_value_set_enum (value, priv->direction);
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break;
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case PROP_FRAME_CLOCK:
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g_value_set_object (value, priv->frame_clock);
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break;
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case PROP_SCREEN:
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g_value_set_object (value, priv->screen);
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break;
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case PROP_WIDGET:
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g_value_set_object (value, priv->widget);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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@ -237,18 +281,24 @@ gtk_timeline_finalize (GObject *object)
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timeline = (GtkTimeline *) object;
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priv = timeline->priv;
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if (priv->source_id)
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if (priv->running)
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{
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g_source_remove (priv->source_id);
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priv->source_id = 0;
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gtk_timeline_stop_running (timeline);
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priv->running = FALSE;
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}
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if (priv->timer)
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g_timer_destroy (priv->timer);
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G_OBJECT_CLASS (gtk_timeline_parent_class)->finalize (object);
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}
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/* Implementation of GdkFrameClockTarget method */
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static void
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gtk_timeline_set_clock (GdkFrameClockTarget *target,
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GdkFrameClock *frame_clock)
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{
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gtk_timeline_set_frame_clock (GTK_TIMELINE (target),
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frame_clock);
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}
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static gdouble
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calculate_progress (gdouble linear_progress,
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GtkTimelineProgressType progress_type)
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@ -286,19 +336,22 @@ calculate_progress (gdouble linear_progress,
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return progress;
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}
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static gboolean
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gtk_timeline_run_frame (GtkTimeline *timeline)
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static void
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gtk_timeline_on_update (GdkFrameClock *clock,
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GtkTimeline *timeline)
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{
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GtkTimelinePriv *priv;
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gdouble delta_progress, progress;
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guint64 now;
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/* the user may unref us during the signals, so save ourselves */
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g_object_ref (timeline);
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priv = timeline->priv;
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priv->elapsed_time = (guint) (g_timer_elapsed (priv->timer, NULL) * 1000);
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g_timer_start (priv->timer);
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now = gdk_frame_clock_get_frame_time (clock);
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priv->elapsed_time = (now - priv->last_time) / 1000;
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priv->last_time = now;
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if (priv->animations_enabled)
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{
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@ -332,49 +385,94 @@ gtk_timeline_run_frame (GtkTimeline *timeline)
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gtk_timeline_rewind (timeline);
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else
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{
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if (priv->source_id)
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{
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g_source_remove (priv->source_id);
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priv->source_id = 0;
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}
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g_timer_stop (priv->timer);
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gtk_timeline_stop_running (timeline);
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priv->running = FALSE;
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g_signal_emit (timeline, signals [FINISHED], 0);
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g_object_unref (timeline);
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return FALSE;
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return;
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}
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}
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g_object_unref (timeline);
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gdk_frame_clock_request_phase (clock, GDK_FRAME_CLOCK_PHASE_UPDATE);
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}
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return TRUE;
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static void
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gtk_timeline_start_updating (GtkTimeline *timeline)
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{
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GtkTimelinePriv *priv = timeline->priv;
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g_assert (priv->running && priv->frame_clock && priv->update_id == 0);
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priv->update_id = g_signal_connect (priv->frame_clock,
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"update",
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G_CALLBACK (gtk_timeline_on_update),
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timeline);
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gdk_frame_clock_request_phase (priv->frame_clock, GDK_FRAME_CLOCK_PHASE_UPDATE);
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priv->last_time = gdk_frame_clock_get_frame_time (priv->frame_clock);
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}
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static void
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gtk_timeline_stop_updating (GtkTimeline *timeline)
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{
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GtkTimelinePriv *priv = timeline->priv;
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g_assert (priv->running && priv->frame_clock && priv->update_id != 0);
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g_signal_handler_disconnect (priv->frame_clock,
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priv->update_id);
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priv->update_id = 0;
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}
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static void
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gtk_timeline_start_running (GtkTimeline *timeline)
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{
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GtkTimelinePriv *priv = timeline->priv;
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g_assert (priv->running);
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if (priv->widget)
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gtk_widget_add_frame_clock_target (priv->widget,
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GDK_FRAME_CLOCK_TARGET (timeline));
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else if (priv->frame_clock)
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gtk_timeline_start_updating (timeline);
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}
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static void
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gtk_timeline_stop_running (GtkTimeline *timeline)
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{
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GtkTimelinePriv *priv = timeline->priv;
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g_assert (priv->running);
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if (priv->widget)
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gtk_widget_remove_frame_clock_target (priv->widget,
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GDK_FRAME_CLOCK_TARGET (timeline));
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else if (priv->frame_clock)
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gtk_timeline_stop_updating (timeline);
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}
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/*
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* gtk_timeline_new:
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* @widget: a widget the timeline will be used with
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* @duration: duration in milliseconds for the timeline
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*
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* Creates a new #GtkTimeline with the specified number of frames.
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* Creates a new #GtkTimeline with the specified duration
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*
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* Return Value: the newly created #GtkTimeline
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*/
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GtkTimeline *
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gtk_timeline_new (guint duration)
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gtk_timeline_new (GtkWidget *widget,
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guint duration)
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{
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return g_object_new (GTK_TYPE_TIMELINE,
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"widget", widget,
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"duration", duration,
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NULL);
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}
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GtkTimeline *
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gtk_timeline_new_for_screen (guint duration,
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GdkScreen *screen)
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{
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return g_object_new (GTK_TYPE_TIMELINE,
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"duration", duration,
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"screen", screen,
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NULL);
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}
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/*
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* gtk_timeline_start:
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* @timeline: A #GtkTimeline
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@ -392,13 +490,8 @@ gtk_timeline_start (GtkTimeline *timeline)
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priv = timeline->priv;
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if (!priv->source_id)
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if (!priv->running)
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{
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if (priv->timer)
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g_timer_continue (priv->timer);
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else
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priv->timer = g_timer_new ();
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if (priv->screen)
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{
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settings = gtk_settings_get_for_screen (priv->screen);
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@ -407,15 +500,10 @@ gtk_timeline_start (GtkTimeline *timeline)
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priv->animations_enabled = enable_animations;
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g_signal_emit (timeline, signals [STARTED], 0);
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priv->running = TRUE;
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gtk_timeline_start_running (timeline);
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if (enable_animations)
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priv->source_id = gdk_threads_add_timeout (FRAME_INTERVAL (DEFAULT_FPS),
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(GSourceFunc) gtk_timeline_run_frame,
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timeline);
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else
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priv->source_id = gdk_threads_add_idle ((GSourceFunc) gtk_timeline_run_frame,
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timeline);
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g_signal_emit (timeline, signals [STARTED], 0);
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}
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}
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@ -434,11 +522,11 @@ gtk_timeline_pause (GtkTimeline *timeline)
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priv = timeline->priv;
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if (priv->source_id)
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if (priv->running)
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{
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g_timer_stop (priv->timer);
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g_source_remove (priv->source_id);
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priv->source_id = 0;
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gtk_timeline_stop_running (timeline);
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priv->running = FALSE;
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g_signal_emit (timeline, signals [PAUSED], 0);
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}
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}
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@ -463,14 +551,8 @@ gtk_timeline_rewind (GtkTimeline *timeline)
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else
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priv->progress = priv->last_progress = 0.;
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/* reset timer */
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if (priv->timer)
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{
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g_timer_start (priv->timer);
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if (!priv->source_id)
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g_timer_stop (priv->timer);
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}
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if (priv->running && priv->frame_clock)
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priv->last_time = gdk_frame_clock_get_frame_time (priv->frame_clock);
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}
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/*
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@ -490,7 +572,7 @@ gtk_timeline_is_running (GtkTimeline *timeline)
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priv = timeline->priv;
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return (priv->source_id != 0);
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return priv->running;
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}
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/*
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@ -624,6 +706,48 @@ gtk_timeline_get_direction (GtkTimeline *timeline)
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return priv->direction;
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}
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void
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gtk_timeline_set_frame_clock (GtkTimeline *timeline,
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GdkFrameClock *frame_clock)
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{
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GtkTimelinePriv *priv;
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g_return_if_fail (GTK_IS_TIMELINE (timeline));
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g_return_if_fail (frame_clock == NULL || GDK_IS_FRAME_CLOCK (frame_clock));
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priv = timeline->priv;
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if (frame_clock == priv->frame_clock)
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return;
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if (priv->running && priv->frame_clock)
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gtk_timeline_stop_updating (timeline);
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if (priv->frame_clock)
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g_object_unref (priv->frame_clock);
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priv->frame_clock = frame_clock;
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if (priv->frame_clock)
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g_object_ref (priv->frame_clock);
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if (priv->running && priv->frame_clock)
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gtk_timeline_start_updating (timeline);
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g_object_notify (G_OBJECT (timeline), "paint-clock");
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}
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GdkFrameClock *
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gtk_timeline_get_frame_clock (GtkTimeline *timeline)
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{
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GtkTimelinePriv *priv;
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g_return_val_if_fail (GTK_IS_TIMELINE (timeline), NULL);
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priv = timeline->priv;
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return priv->frame_clock;
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}
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void
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gtk_timeline_set_screen (GtkTimeline *timeline,
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GdkScreen *screen)
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@ -631,14 +755,20 @@ gtk_timeline_set_screen (GtkTimeline *timeline,
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GtkTimelinePriv *priv;
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g_return_if_fail (GTK_IS_TIMELINE (timeline));
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g_return_if_fail (GDK_IS_SCREEN (screen));
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g_return_if_fail (screen == NULL || GDK_IS_SCREEN (screen));
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priv = timeline->priv;
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if (screen == priv->screen)
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return;
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if (priv->screen)
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g_object_unref (priv->screen);
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priv->screen = g_object_ref (screen);
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priv->screen = screen;
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if (priv->screen)
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g_object_ref (priv->screen);
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g_object_notify (G_OBJECT (timeline), "screen");
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}
|
||||
@ -653,6 +783,47 @@ gtk_timeline_get_screen (GtkTimeline *timeline)
|
||||
priv = timeline->priv;
|
||||
return priv->screen;
|
||||
}
|
||||
void
|
||||
gtk_timeline_set_widget (GtkTimeline *timeline,
|
||||
GtkWidget *widget)
|
||||
{
|
||||
GtkTimelinePriv *priv;
|
||||
|
||||
g_return_if_fail (GTK_IS_TIMELINE (timeline));
|
||||
g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget));
|
||||
|
||||
priv = timeline->priv;
|
||||
|
||||
if (widget == priv->widget)
|
||||
return;
|
||||
|
||||
if (priv->running)
|
||||
gtk_timeline_stop_running (timeline);
|
||||
|
||||
if (priv->widget)
|
||||
g_object_unref (priv->widget);
|
||||
|
||||
priv->widget = widget;
|
||||
|
||||
if (priv->widget)
|
||||
g_object_ref (widget);
|
||||
|
||||
if (priv->running)
|
||||
gtk_timeline_start_running (timeline);
|
||||
|
||||
g_object_notify (G_OBJECT (timeline), "widget");
|
||||
}
|
||||
|
||||
GtkWidget *
|
||||
gtk_timeline_get_widget (GtkTimeline *timeline)
|
||||
{
|
||||
GtkTimelinePriv *priv;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_TIMELINE (timeline), NULL);
|
||||
|
||||
priv = timeline->priv;
|
||||
return priv->widget;
|
||||
}
|
||||
|
||||
gdouble
|
||||
gtk_timeline_get_progress (GtkTimeline *timeline)
|
||||
|
||||
@ -20,6 +20,7 @@
|
||||
|
||||
#include <glib-object.h>
|
||||
#include <gtk/gtkenums.h>
|
||||
#include <gtk/gtkwidget.h>
|
||||
#include <gdk/gdk.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
@ -62,7 +63,7 @@ struct GtkTimelineClass
|
||||
void (* paused) (GtkTimeline *timeline);
|
||||
|
||||
void (* frame) (GtkTimeline *timeline,
|
||||
gdouble progress);
|
||||
gdouble progress);
|
||||
|
||||
void (* __gtk_reserved1) (void);
|
||||
void (* __gtk_reserved2) (void);
|
||||
@ -73,9 +74,8 @@ struct GtkTimelineClass
|
||||
|
||||
GType gtk_timeline_get_type (void) G_GNUC_CONST;
|
||||
|
||||
GtkTimeline * gtk_timeline_new (guint duration);
|
||||
GtkTimeline * gtk_timeline_new_for_screen (guint duration,
|
||||
GdkScreen *screen);
|
||||
GtkTimeline * gtk_timeline_new (GtkWidget *widget,
|
||||
guint duration);
|
||||
|
||||
void gtk_timeline_start (GtkTimeline *timeline);
|
||||
void gtk_timeline_pause (GtkTimeline *timeline);
|
||||
@ -90,12 +90,20 @@ void gtk_timeline_set_loop (GtkTimeline
|
||||
|
||||
guint gtk_timeline_get_duration (GtkTimeline *timeline);
|
||||
void gtk_timeline_set_duration (GtkTimeline *timeline,
|
||||
guint duration);
|
||||
guint duration);
|
||||
|
||||
GdkFrameClock * gtk_timeline_get_frame_clock (GtkTimeline *timeline);
|
||||
void gtk_timeline_set_frame_clock (GtkTimeline *timeline,
|
||||
GdkFrameClock *frame_clock);
|
||||
|
||||
GdkScreen * gtk_timeline_get_screen (GtkTimeline *timeline);
|
||||
void gtk_timeline_set_screen (GtkTimeline *timeline,
|
||||
GdkScreen *screen);
|
||||
|
||||
GtkWidget * gtk_timeline_get_widget (GtkTimeline *timeline);
|
||||
void gtk_timeline_set_widget (GtkTimeline *timeline,
|
||||
GtkWidget *widget);
|
||||
|
||||
GtkTimelineDirection gtk_timeline_get_direction (GtkTimeline *timeline);
|
||||
void gtk_timeline_set_direction (GtkTimeline *timeline,
|
||||
GtkTimelineDirection direction);
|
||||
@ -106,7 +114,6 @@ GtkTimelineProgressType gtk_timeline_get_progress_type (GtkTimeline
|
||||
void gtk_timeline_set_progress_type (GtkTimeline *timeline,
|
||||
GtkTimelineProgressType progress_type);
|
||||
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* _GTK_TIMELINE_H__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user