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Bug 466958 (plug-ins): step-back button for animation playback.

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This commit is contained in:
Jehan 2012-11-15 19:41:11 +09:00
parent b0a081bc91
commit e42ff36dff
1 changed files with 35 additions and 0 deletions
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35
plug-ins/common/animation-play.c
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@ -68,6 +68,7 @@ static void do_playback (void);
static void window_destroy (GtkWidget *widget);
static void play_callback (GtkToggleAction *action);
static void step_back_callback (GtkAction *action);
static void step_callback (GtkAction *action);
static void rewind_callback (GtkAction *action);
static void speed_up_callback (GtkAction *action);
@ -444,6 +445,10 @@ ui_manager_new (GtkWidget *window)
{
static GtkActionEntry actions[] =
{
{ "step-back", GTK_STOCK_MEDIA_PREVIOUS,
N_("_Step_back"), NULL, N_("Step back to previous frame"),
G_CALLBACK (step_back_callback) },
{ "step", GTK_STOCK_MEDIA_NEXT,
N_("_Step"), NULL, N_("Step to next frame"),
G_CALLBACK (step_callback) },
@ -520,6 +525,7 @@ ui_manager_new (GtkWidget *window)
"<ui>"
" <toolbar name=\"anim-play-toolbar\">"
" <toolitem action=\"play\" />"
" <toolitem action=\"step-back\" />"
" <toolitem action=\"step\" />"
" <toolitem action=\"rewind\" />"
" <separator />"
@ -542,6 +548,7 @@ ui_manager_new (GtkWidget *window)
"<ui>"
" <popup name=\"anim-play-popup\">"
" <menuitem action=\"play\" />"
" <menuitem action=\"step-back\" />"
" <menuitem action=\"step\" />"
" <menuitem action=\"rewind\" />"
" <separator />"
@ -963,6 +970,16 @@ remove_timer (void)
}
}
static void
do_back_step (void)
{
if (frame_number == 0)
frame_number = total_frames - 1;
else
frame_number = (frame_number - 1) % total_frames;
render_frame (frame_number);
}
static void
do_step (void)
{
@ -1083,6 +1100,16 @@ get_fps (gint index)
}
}
static void
step_back_callback (GtkAction *action)
{
if (playing)
gtk_action_activate (gtk_ui_manager_get_action (ui_manager,
"/anim-play-toolbar/play"));
do_back_step();
show_frame();
}
static void
step_callback (GtkAction *action)
{
@ -1359,6 +1386,10 @@ init_frames (void)
"/ui/anim-play-toolbar/play");
gtk_action_set_sensitive (action, FALSE);
action = gtk_ui_manager_get_action (ui_manager,
"/ui/anim-play-toolbar/step-back");
gtk_action_set_sensitive (action, FALSE);
action = gtk_ui_manager_get_action (ui_manager,
"/ui/anim-play-toolbar/step");
gtk_action_set_sensitive (action, FALSE);
@ -1373,6 +1404,10 @@ init_frames (void)
"/ui/anim-play-toolbar/play");
gtk_action_set_sensitive (action, TRUE);
action = gtk_ui_manager_get_action (ui_manager,
"/ui/anim-play-toolbar/step-back");
gtk_action_set_sensitive (action, TRUE);
action = gtk_ui_manager_get_action (ui_manager,
"/ui/anim-play-toolbar/step");
gtk_action_set_sensitive (action, TRUE);