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ocarina: Update slider as track plays 

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>
This commit is contained in:
Bryan Schumaker 2012-03-22 20:52:39 -04:00
parent 70ef389aab
commit d6d455ab7f
1 changed files with 40 additions and 1 deletions
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41
ocarina/body/footer.cpp
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@ -7,6 +7,9 @@
static GtkWidget *notebook;
static GtkWidget *idle_progress;
static GtkWidget *pos_label;
static GtkWidget *track_progress;
static GtkWidget *dur_label;
static GtkWidget *play_button;
static GtkWidget *pause_button;
static GstState last_state;
@ -21,6 +24,25 @@ static void add_page(string text, GtkWidget *page)
gtk_widget_show(label);
}
static void update_progress()
{
gint64 pos = libsaria::audio::position();
gint64 dur = libsaria::audio::duration() + 1;
gtk_label_set_text(GTK_LABEL(pos_label), libsaria::audio::posstr().c_str());
gtk_label_set_text(GTK_LABEL(dur_label), libsaria::audio::durstr().c_str());
/*
* This happens when gstreamer's "about-to-finish" signal
* is emitted and we queue up a shorter song before the
* pipeline finishes.
*/
if (pos > dur)
pos = 0;
gtk_range_set_range(GTK_RANGE(track_progress), 0, dur);
gtk_range_set_value(GTK_RANGE(track_progress), pos);
}
static void on_click_play(GtkWidget *b, GdkEvent *e, gpointer d)
{
libsaria::audio::play();
@ -34,14 +56,26 @@ static void on_click_pause(GtkWidget *b, GdkEvent *e, gpointer d)
static GtkWidget *make_controls()
{
GtkWidget *box = gtk_hbox_new(FALSE, 0);
play_button = make_button(GTK_STOCK_MEDIA_PLAY, on_click_play, true);
pause_button = make_button(GTK_STOCK_MEDIA_PAUSE, on_click_pause, false);
pos_label = gtk_label_new("");
track_progress = gtk_hscale_new_with_range(0, 1, 1000000000);
dur_label = gtk_label_new("");
gtk_scale_set_draw_value(GTK_SCALE(track_progress), FALSE);
idle_progress = gtk_progress_bar_new();
gtk_box_pack_start(GTK_BOX(box), idle_progress, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(box), pos_label, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(box), track_progress, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), dur_label, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(box), play_button, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(box), pause_button, FALSE, FALSE, 0);
gtk_widget_show(pos_label);
gtk_widget_show(dur_label);
gtk_widget_show(track_progress);
gtk_widget_show(box);
return box;
}
@ -83,9 +117,14 @@ namespace ocarina
void body::update_controls()
{
GstState cur_state = libsaria::audio::get_state();
GstState cur_state;
update_progress();
cur_state = libsaria::audio::get_state();
if (cur_state == last_state)
return;
last_state = cur_state;
if (cur_state == GST_STATE_PLAYING) {
gtk_widget_show(pause_button);