mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-20 16:51:10 +00:00
code clean-up and comments
This commit is contained in:
Brandon Lewis
Edward Hervey
parent
5f67510bf6
commit
6377906e12
1 changed files with 140 additions and 140 deletions
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@ -26,6 +26,13 @@
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#include <ges/ges.h>
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#include <regex.h>
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/* Application Data ********************************************************/
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/**
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* Contains most of the application data so that signal handlers
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* and other callbacks have easy access.
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*/
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typedef struct App
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{
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/* back-end objects */
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@ -75,52 +82,44 @@ typedef struct App
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GtkSpinButton *frequency;
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} App;
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/* Prototypes for auto-connected signal handlers ***************************/
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/**
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* These are declared non-static for signal auto-connection
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*/
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void window_destroy_cb (GtkObject * window, App * app);
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void quit_item_activate_cb (GtkMenuItem * item, App * app);
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void delete_activate_cb (GtkAction * item, App * app);
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void play_activate_cb (GtkAction * item, App * app);
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void add_file_activate_cb (GtkAction * item, App * app);
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void add_text_activate_cb (GtkAction * item, App * app);
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void add_test_activate_cb (GtkAction * item, App * app);
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void add_transition_activate_cb (GtkAction * item, App * app);
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void app_selection_changed_cb (GtkTreeSelection * selection, App * app);
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gboolean duration_scale_change_value_cb (GtkRange * range, GtkScrollType
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unused, gdouble value, App * app);
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gboolean in_point_scale_change_value_cb (GtkRange * range, GtkScrollType
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unused, gdouble value, App * app);
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gboolean volume_change_value_cb (GtkRange * range, GtkScrollType unused,
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gdouble value, App * app);
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void duration_cell_func (GtkTreeViewColumn * column, GtkCellRenderer * renderer,
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GtkTreeModel * model, GtkTreeIter * iter, gpointer user);
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void halign_changed_cb (GtkComboBox * widget, App * app);
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void valign_changed_cb (GtkComboBox * widget, App * app);
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void text_notify_text_changed_cb (GtkEntry * widget, GParamSpec * unused, App *
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app);
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void seconds_notify_text_changed_cb (GtkEntry * widget, GParamSpec * unused,
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App * app);
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void background_type_changed_cb (GtkComboBox * widget, App * app);
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void frequency_value_changed_cb (GtkSpinButton * widget, App * app);
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gboolean
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duration_scale_change_value_cb (GtkRange * range,
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GtkScrollType unused, gdouble value, App * app);
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gboolean
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in_point_scale_change_value_cb (GtkRange * range,
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GtkScrollType unused, gdouble value, App * app);
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gboolean
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volume_change_value_cb (GtkRange * range,
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GtkScrollType unused, gdouble value, App * app);
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/* UI state functions *******************************************************/
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/**
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* Update properties of UI elements that depend on more than one thing.
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*/
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static void
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update_delete_sensitivity (App * app)
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{
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@ -338,14 +337,114 @@ bus_message_cb (GstBus * bus, GstMessage * message, App * app)
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}
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}
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/* UI Configuration *********************************************************/
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/* Static UI Callbacks ******************************************************/
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#define GET_WIDGET(dest,name,type) {\
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if (!(dest =\
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type(gtk_builder_get_object(builder, name))))\
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goto fail;\
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static void
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test_source_notify_volume_changed_cb (GESTimelineObject * object, GParamSpec *
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unused G_GNUC_UNUSED, App * app)
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{
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gdouble volume;
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g_object_get (G_OBJECT (object), "volume", &volume, NULL);
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gtk_range_set_value (GTK_RANGE (app->volume), volume);
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}
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static gboolean
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check_time (const gchar * time)
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{
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static regex_t re;
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static gboolean compiled = FALSE;
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if (!compiled) {
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compiled = TRUE;
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regcomp (&re, "^[0-9][0-9]:[0-5][0-9]:[0-5][0-9](.[0-9]+)?$",
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REG_EXTENDED | REG_NOSUB);
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}
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if (!regexec (&re, time, (size_t) 0, NULL, 0))
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return TRUE;
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return FALSE;
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}
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static guint64
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str_to_time (const gchar * str)
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{
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guint64 ret;
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guint64 h, m;
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gdouble s;
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gchar buf[15];
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buf[0] = str[0];
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buf[1] = str[1];
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buf[2] = '\0';
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h = strtoull (buf, NULL, 10);
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buf[0] = str[3];
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buf[1] = str[4];
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buf[2] = '\0';
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m = strtoull (buf, NULL, 10);
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strncpy (buf, &str[6], sizeof (buf));
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s = strtod (buf, NULL);
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ret = (h * 3600 * GST_SECOND) +
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(m * 60 * GST_SECOND) + ((guint64) (s * GST_SECOND));
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return ret;
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}
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static void
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text_notify_text_changed_cb (GtkEntry * widget, GParamSpec * unused, App * app)
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{
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GList *tmp;
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const gchar *text;
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text = gtk_entry_get_text (widget);
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for (tmp = app->selected_objects; tmp; tmp = tmp->next) {
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g_object_set (G_OBJECT (tmp->data), "text", text, NULL);
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}
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}
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static void
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seconds_notify_text_changed_cb (GtkEntry * widget, GParamSpec * unused,
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App * app)
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{
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GList *tmp;
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const gchar *text;
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text = gtk_entry_get_text (app->seconds);
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if (!check_time (text)) {
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gtk_entry_set_icon_from_stock (app->seconds,
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GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_DIALOG_WARNING);
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} else {
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gtk_entry_set_icon_from_stock (app->seconds,
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GTK_ENTRY_ICON_SECONDARY, NULL);
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for (tmp = app->selected_objects; tmp; tmp = tmp->next) {
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g_object_set (GES_TIMELINE_OBJECT (tmp->data), "duration",
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(guint64) str_to_time (text), NULL);
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}
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}
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}
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static void
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duration_cell_func (GtkTreeViewColumn * column, GtkCellRenderer * renderer,
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GtkTreeModel * model, GtkTreeIter * iter, gpointer user)
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{
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gchar buf[30];
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guint64 duration;
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gtk_tree_model_get (model, iter, 1, &duration, -1);
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g_snprintf (buf, sizeof (buf), "%u:%02u:%02u.%09u", GST_TIME_ARGS (duration));
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g_object_set (renderer, "text", &buf, NULL);
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}
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/* UI Initialization ********************************************************/
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static void
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connect_to_filesource (GESTimelineObject * object, App * app)
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{
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@ -396,17 +495,6 @@ disconnect_from_title_source (GESTimelineObject * object, App * app)
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{
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}
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static void
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test_source_notify_volume_changed_cb (GESTimelineObject * object, GParamSpec *
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unused G_GNUC_UNUSED, App * app)
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{
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gdouble volume;
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g_object_get (G_OBJECT (object), "volume", &volume, NULL);
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gtk_range_set_value (GTK_RANGE (app->volume), volume);
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}
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static void
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connect_to_test_source (GESTimelineObject * object, App * app)
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{
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@ -502,6 +590,12 @@ get_video_patterns (void)
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return m;
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}
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#define GET_WIDGET(dest,name,type) {\
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if (!(dest =\
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type(gtk_builder_get_object(builder, name))))\
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goto fail;\
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}
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static gboolean
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create_ui (App * app)
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{
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@ -617,7 +711,6 @@ fail:
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#undef GET_WIDGET
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/* application methods ******************************************************/
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static void selection_foreach (GtkTreeModel * model, GtkTreePath * path,
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@ -950,18 +1043,6 @@ in_point_scale_change_value_cb (GtkRange * range, GtkScrollType unused,
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return TRUE;
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}
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void
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duration_cell_func (GtkTreeViewColumn * column, GtkCellRenderer * renderer,
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GtkTreeModel * model, GtkTreeIter * iter, gpointer user)
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{
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gchar buf[30];
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guint64 duration;
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gtk_tree_model_get (model, iter, 1, &duration, -1);
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g_snprintf (buf, sizeof (buf), "%u:%02u:%02u.%09u", GST_TIME_ARGS (duration));
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g_object_set (renderer, "text", &buf, NULL);
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}
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void
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halign_changed_cb (GtkComboBox * widget, App * app)
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{
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@ -988,87 +1069,6 @@ valign_changed_cb (GtkComboBox * widget, App * app)
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}
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}
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void
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text_notify_text_changed_cb (GtkEntry * widget, GParamSpec * unused, App * app)
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{
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GList *tmp;
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const gchar *text;
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text = gtk_entry_get_text (widget);
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for (tmp = app->selected_objects; tmp; tmp = tmp->next) {
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g_object_set (G_OBJECT (tmp->data), "text", text, NULL);
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}
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}
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static gboolean
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check_time (const gchar * time)
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{
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static regex_t re;
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static gboolean compiled = FALSE;
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if (!compiled) {
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compiled = TRUE;
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regcomp (&re, "^[0-9][0-9]:[0-5][0-9]:[0-5][0-9](.[0-9]+)?$",
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REG_EXTENDED | REG_NOSUB);
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}
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if (!regexec (&re, time, (size_t) 0, NULL, 0))
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return TRUE;
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return FALSE;
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}
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static guint64
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str_to_time (const gchar * str)
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{
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guint64 ret;
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guint64 h, m;
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gdouble s;
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gchar buf[15];
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buf[0] = str[0];
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buf[1] = str[1];
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buf[2] = '\0';
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h = strtoull (buf, NULL, 10);
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buf[0] = str[3];
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buf[1] = str[4];
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buf[2] = '\0';
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m = strtoull (buf, NULL, 10);
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strncpy (buf, &str[6], sizeof (buf));
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s = strtod (buf, NULL);
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ret = (h * 3600 * GST_SECOND) +
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(m * 60 * GST_SECOND) + ((guint64) (s * GST_SECOND));
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return ret;
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}
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void
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seconds_notify_text_changed_cb (GtkEntry * widget, GParamSpec * unused,
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App * app)
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{
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GList *tmp;
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const gchar *text;
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text = gtk_entry_get_text (app->seconds);
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if (!check_time (text)) {
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gtk_entry_set_icon_from_stock (app->seconds,
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GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_DIALOG_WARNING);
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} else {
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gtk_entry_set_icon_from_stock (app->seconds,
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GTK_ENTRY_ICON_SECONDARY, NULL);
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for (tmp = app->selected_objects; tmp; tmp = tmp->next) {
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g_object_set (GES_TIMELINE_OBJECT (tmp->data), "duration",
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(guint64) str_to_time (text), NULL);
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}
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}
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}
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void
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background_type_changed_cb (GtkComboBox * widget, App * app)
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{
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