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update in-point from in-point slider

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This commit is contained in:
Brandon Lewis 2010-07-21 20:21:01 +02:00 committed by Edward Hervey
parent 80119bc7c5
commit 6a0c7da725
2 changed files with 51 additions and 6 deletions
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55
tests/examples/ges-ui.c
View file

@ -34,6 +34,7 @@ typedef struct App
GList *selected_objects;
int n_selected;
GtkHScale *duration;
GtkHScale *in_point;
} App;
App *app_new (void);
@ -61,6 +62,9 @@ void app_selection_changed_cb (GtkTreeSelection * selection, App * app);
gboolean duration_scale_change_value_cb (GtkRange * range, GtkScrollType
unused, gdouble value, App * app);
gboolean in_point_scale_change_value_cb (GtkRange * range, GtkScrollType
unused, gdouble value, App * app);
void duration_cell_func (GtkTreeViewColumn * column, GtkCellRenderer * renderer,
GtkTreeModel * model, GtkTreeIter * iter, gpointer user);
@ -119,10 +123,26 @@ duration_scale_change_value_cb (GtkRange * range, GtkScrollType unused,
GList *i;
for (i = app->selected_objects; i; i = i->next) {
/* this signal is called *before* the widget is updated. by returing TRUE
* we prevent further processing. the scale value is set in
* filesource_notify_duration_cb */
g_object_set (G_OBJECT (i->data), "duration", (guint64) value, NULL);
guint64 duration, maxduration;
maxduration = GES_TIMELINE_FILE_SOURCE (i->data)->maxduration;
duration = (value < maxduration ? (value > 0 ? value : 0) : maxduration);
g_object_set (G_OBJECT (i->data), "duration", (guint64) duration, NULL);
}
return TRUE;
}
gboolean
in_point_scale_change_value_cb (GtkRange * range, GtkScrollType unused,
gdouble value, App * app)
{
GList *i;
for (i = app->selected_objects; i; i = i->next) {
guint64 in_point, maxduration;
maxduration = GES_TIMELINE_FILE_SOURCE (i->data)->maxduration -
GES_TIMELINE_OBJECT_DURATION (i->data);
in_point = (value < maxduration ? (value > 0 ? value : 0) : maxduration);
g_object_set (G_OBJECT (i->data), "in-point", (guint64) in_point, NULL);
}
return TRUE;
}
@ -309,8 +329,16 @@ static void
filesource_notify_duration_cb (GESTimelineObject * object,
GParamSpec * arg G_GNUC_UNUSED, App * app)
{
gtk_range_set_value (GTK_RANGE (app->duration),
GES_TIMELINE_OBJECT_DURATION (object));
guint64 duration, max_inpoint;
duration = GES_TIMELINE_OBJECT_DURATION (object);
max_inpoint = GES_TIMELINE_FILE_SOURCE (object)->maxduration - duration;
gtk_range_set_value (GTK_RANGE (app->duration), duration);
gtk_range_set_fill_level (GTK_RANGE (app->in_point), max_inpoint);
if (max_inpoint < GES_TIMELINE_OBJECT_INPOINT (object))
g_object_set (object, "in-point", max_inpoint, NULL);
}
static void
@ -319,6 +347,16 @@ filesource_notify_max_duration_cb (GESTimelineObject * object,
{
gtk_range_set_range (GTK_RANGE (app->duration),
0, (gdouble) GES_TIMELINE_FILE_SOURCE (object)->maxduration);
gtk_range_set_range (GTK_RANGE (app->in_point),
0, (gdouble) GES_TIMELINE_FILE_SOURCE (object)->maxduration);
}
static void
filesource_notify_in_point_cb (GESTimelineObject * object,
GParamSpec * arg G_GNUC_UNUSED, App * app)
{
gtk_range_set_value (GTK_RANGE (app->in_point),
GES_TIMELINE_OBJECT_INPOINT (object));
}
static gchar *
@ -386,6 +424,10 @@ connect_to_filesource (GESTimelineObject * object, App * app)
g_signal_connect (G_OBJECT (object), "notify::duration",
G_CALLBACK (filesource_notify_duration_cb), app);
filesource_notify_duration_cb (object, NULL, app);
g_signal_connect (G_OBJECT (object), "notify::in-point",
G_CALLBACK (filesource_notify_in_point_cb), app);
filesource_notify_in_point_cb (object, NULL, app);
}
void
@ -418,6 +460,7 @@ create_ui (App * app)
GET_WIDGET (app->properties, "properties", GTK_WIDGET);
GET_WIDGET (app->main_window, "window", GTK_WIDGET);
GET_WIDGET (app->duration, "duration_scale", GTK_HSCALE);
GET_WIDGET (app->in_point, "in_point_scale", GTK_HSCALE);
GET_WIDGET (duration_col, "duration_column", GTK_TREE_VIEW_COLUMN);
GET_WIDGET (duration_renderer, "duration_renderer", GTK_CELL_RENDERER);

2
tests/examples/ges-ui.glade
View file

@ -286,9 +286,11 @@
<object class="GtkHScale" id="in_point_scale">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="show_fill_level">True</property>
<property name="restrict_to_fill_level">False</property>
<property name="draw_value">False</property>
<property name="value_pos">bottom</property>
<signal name="change_value" handler="in_point_scale_change_value_cb"/>
</object>
<packing>
<property name="position">1</property>