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Diffstat (limited to 'examples/scaletempo/demo-gui.c')
| -rw-r--r-- | examples/scaletempo/demo-gui.c | 1258 |
1 files changed, 1258 insertions, 0 deletions
diff --git a/examples/scaletempo/demo-gui.c b/examples/scaletempo/demo-gui.c new file mode 100644 index 00000000..f5a774f8 --- /dev/null +++ b/examples/scaletempo/demo-gui.c @@ -0,0 +1,1258 @@ +/* demo-gui.c + * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gtk/gtk.h> +#include <glib/gprintf.h> +#include <math.h> +#include "demo-gui.h" + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "demo-gui" + +enum +{ + SIGNAL_ERROR, + SIGNAL_QUITING, + LAST_SIGNAL +}; +static guint demo_gui_signals[LAST_SIGNAL] = { 0 }; + +enum +{ + PROP_0, +}; + +typedef struct _DemoGuiPrivate +{ + DemoPlayer *player; + GList *uris; + GList *now_playing; + gboolean is_playing; + GtkWidget *window; + GtkEntry *rate_entry; + GtkStatusbar *status_bar; + gint position_updater_id; + GtkRange *seek_range; + GtkLabel *amount_played; + GtkLabel *amount_to_play; + GtkAction *play_action; + GtkAction *pause_action; + GtkAction *open_file; + GtkAction *playlist_next; +} DemoGuiPrivate; + +#define DEMO_GUI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DEMO_TYPE_GUI, DemoGuiPrivate)) + +/* forward declarations */ +static GValueArray *build_gvalue_array (guint n_values, ...); + +/* Handlers for status bar and seek bar */ +static int +pop_status_bar (gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + GtkStatusbar *sb = + GTK_STATUSBAR (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + guint msg_id = g_value_get_uint (g_value_array_get_nth (gvalues, 1)); + + gtk_statusbar_remove (sb, 0, msg_id); + return FALSE; +} + +#define DEFAULT_STATUS_BAR_TIMEOUT 2 +static void +status_bar_printf (GtkStatusbar * sb, guint seconds, gchar const *format, ...) +{ + va_list args; + gchar msg[80]; + guint msg_id; + + va_start (args, format); + g_vsnprintf (msg, 80, format, args); + va_end (args); + + msg_id = gtk_statusbar_push (sb, 0, msg); + g_timeout_add (2000, pop_status_bar, + build_gvalue_array (2, G_TYPE_OBJECT, sb, G_TYPE_UINT, msg_id)); +} + +#define PRINTF_TIME_FORMAT "u:%02u:%02u" +#define PRINTF_TIME_ARGS(t) \ + (t >= 0) ? (guint) ((t) / (60 * 60)) : 99, \ + (t >= 0) ? (guint) (((t) / (60)) % 60) : 99, \ + (t >= 0) ? (guint) ((t) % 60) : 99 + +static gchar * +demo_gui_seek_bar_format (GtkScale * scale, gdouble value, gpointer data) +{ + return g_strdup_printf ("%" PRINTF_TIME_FORMAT, + PRINTF_TIME_ARGS ((gint64) value)); +} + +gboolean +update_position (gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gchar pos_str[16], dur_str[16]; + gint pos = demo_player_get_position (priv->player); + + if (pos > 0) { + gint dur = demo_player_get_duration (priv->player); + + g_snprintf (pos_str, 16, "%" PRINTF_TIME_FORMAT, PRINTF_TIME_ARGS (pos)); + if (dur > 0) { + g_snprintf (dur_str, 16, "-%" PRINTF_TIME_FORMAT, + PRINTF_TIME_ARGS (dur - pos)); + } else { + dur = pos; + g_sprintf (dur_str, "-??:??:??"); + } + if (dur > 0) + gtk_range_set_range (GTK_RANGE (priv->seek_range), 0, (gdouble) dur); + gtk_range_set_value (GTK_RANGE (priv->seek_range), (gdouble) pos); + } else { + g_sprintf (pos_str, "??:??:??"); + g_sprintf (dur_str, "-??:??:??"); + } + gtk_label_set_text (GTK_LABEL (priv->amount_played), pos_str); + gtk_label_set_text (GTK_LABEL (priv->amount_to_play), dur_str); + + return priv->is_playing; +} + + +gboolean +demo_gui_seek_bar_change (GtkRange * range, + GtkScrollType scroll, gdouble value, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gint new_second = (gint) value; + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Seeking to %i second", new_second); + demo_player_seek_to (priv->player, new_second); + + return FALSE; +} + + +/* Callbacks for actions */ +static void +demo_gui_do_change_rate (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = g_value_get_object (g_value_array_get_nth (gvalues, 0)); + gdouble scale_amount = + g_value_get_double (g_value_array_get_nth (gvalues, 1)); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Changing rate by %3.2lf", scale_amount); + + demo_player_scale_rate (priv->player, scale_amount); +} + +static void +demo_gui_do_set_rate (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = g_value_get_object (g_value_array_get_nth (gvalues, 0)); + gdouble new_rate = g_value_get_double (g_value_array_get_nth (gvalues, 1)); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Setting rate to %3.2lf", new_rate); + + demo_player_set_rate (priv->player, new_rate); +} + +static gboolean +demo_gui_do_rate_entered (GtkWidget * widget, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gchar *err = NULL; + const gchar *text = gtk_entry_get_text (GTK_ENTRY (widget)); + double new_rate = g_strtod (text, &err); + + if (*err) { + gtk_widget_error_bell (priv->window); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Invalid rate: %s", text); + return TRUE; + } + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Setting rate to %3.2lf", new_rate); + + demo_player_set_rate (priv->player, new_rate); + return FALSE; +} + +static void +demo_gui_do_toggle_advanced (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkWidget *stride_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + GtkWidget *overlap_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 2))); + GtkWidget *search_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 3))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gboolean active; + + status_bar_printf (priv->status_bar, 1, "Toggling advanced mode"); + + active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); + gtk_widget_set_sensitive (stride_ui, active); + gtk_widget_set_sensitive (overlap_ui, active); + gtk_widget_set_sensitive (search_ui, active); +} + +static void +demo_gui_do_toggle_disabled (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkAction *advanced_action = + GTK_ACTION (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + GtkWidget *advanced_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 2))); + + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gboolean active; + + status_bar_printf (priv->status_bar, 1, "Toggling disabled"); + + active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); + gtk_action_set_sensitive (GTK_ACTION (advanced_action), !active); + gtk_widget_set_sensitive (GTK_WIDGET (advanced_ui), !active); + g_object_set (G_OBJECT (priv->player), "disabled", active, NULL); +} + +static void +demo_gui_do_seek (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + gint seconds = g_value_get_int (g_value_array_get_nth (gvalues, 1)); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting seek by %i seconds", seconds); + + demo_player_seek_by (priv->player, seconds); +} + +static void +demo_gui_do_play (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->is_playing) { + g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, "Already playing"); + return; + } + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting playback start"); + + demo_player_play (priv->player); +} + +static void +demo_gui_do_pause (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (!priv->is_playing) { + g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, "Already paused"); + return; + } + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting playback pause"); + + demo_player_pause (priv->player); +} + +static void +demo_gui_do_play_pause (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Reqesting playback toggle"); + + if (priv->is_playing) + gtk_action_activate (priv->pause_action); + else + gtk_action_activate (priv->play_action); +} + +static void +demo_gui_do_open_file (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + GtkWidget *dialog = gtk_file_chooser_dialog_new ("Open File", + GTK_WINDOW (priv->window), + GTK_FILE_CHOOSER_ACTION_OPEN, + GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, + GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, + NULL); + + if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) { + char *filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog)); + GError *err = NULL; + + g_list_free (priv->uris); + priv->uris = NULL; + priv->now_playing = NULL; + demo_player_load_uri (priv->player, g_filename_to_uri (filename, NULL, + &err)); + g_free (filename); + } + gtk_widget_destroy (dialog); +} + +static void +demo_gui_do_playlist_prev (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->now_playing) { + if (priv->now_playing->prev) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist previous"); + priv->now_playing = priv->now_playing->prev; + } else { + priv->now_playing = NULL; + gtk_widget_error_bell (priv->window); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Beginning of playlist"); + return; + } + } else if (priv->uris) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist previous: wrap"); + priv->now_playing = g_list_last (priv->uris); + } else { + gtk_action_activate (priv->open_file); + return; + } + + demo_player_load_uri (priv->player, priv->now_playing->data); +} + +static void +demo_gui_do_playlist_next (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->now_playing) { + if (priv->now_playing->next) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist next"); + priv->now_playing = priv->now_playing->next; + } else { + priv->now_playing = NULL; + gtk_widget_error_bell (priv->window); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "End of playlist"); + return; + } + } else if (priv->uris) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist next: wrap"); + priv->now_playing = priv->uris; + } else { + gtk_action_activate (priv->open_file); + return; + } + + demo_player_load_uri (priv->player, priv->now_playing->data); +} + +static void +demo_gui_do_about_dialog (GtkAction * action, gpointer data) +{ + static gchar *authors[] = + { "Rov Juvano <rovjuvano@users.sourceforge.net>", NULL }; + + gtk_show_about_dialog (NULL, + "program-name", "gst-scaletempo-demo", + "version", VERSION, + "authors", authors, + "license", "This program is free software: you can redistribute it and/or modify\n\ +it under the terms of the GNU General Public License as published by\n\ +the Free Software Foundation, either version 3 of the License, or\n\ +(at your option) any later version.\n\ +\n\ +This program is distributed in the hope that it will be useful,\n\ +but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ +GNU General Public License for more details.\n\ +\n\ +You should have received a copy of the GNU General Public License\n\ +along with this program. If not, see <http://www.gnu.org/licenses/>.", "title", "About gst-scaletempo-demo", NULL); +} + +static void +demo_gui_do_quit (gpointer source, gpointer data) +{ + gtk_main_quit (); + g_signal_emit (DEMO_GUI (data), demo_gui_signals[SIGNAL_QUITING], 0, NULL); +} + +static gboolean +demo_gui_request_set_stride (GtkSpinButton * spinbutton, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_stride = gtk_spin_button_get_value_as_int (spinbutton); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Reqesting setting stride to %u ms", new_stride); + g_object_set (G_OBJECT (priv->player), "stride", new_stride, NULL); + return TRUE; +} + +static gboolean +demo_gui_request_set_overlap (GtkSpinButton * spinbutton, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gdouble new_overlap = gtk_spin_button_get_value_as_int (spinbutton); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting setting overlap to %2.0lf%%", new_overlap); + g_object_set (G_OBJECT (priv->player), "overlap", new_overlap / 100.0, NULL); + return TRUE; +} + +static gboolean +demo_gui_request_set_search (GtkSpinButton * spinbutton, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_search = gtk_spin_button_get_value_as_int (spinbutton); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting setting search to %u ms", new_search); + g_object_set (G_OBJECT (priv->player), "search", new_search, NULL); + return TRUE; +} + + +/* Callbacks from signals */ +static void +demo_gui_rate_changed (DemoPlayer * player, gdouble new_rate, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gchar e[6]; + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Rate changed to %3.2lf", new_rate); + + g_snprintf (e, 6, "%3.2f", new_rate); + gtk_entry_set_text (GTK_ENTRY (priv->rate_entry), e); +} + +static void +demo_gui_playing_started (DemoPlayer * player, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + priv->is_playing = TRUE; + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playing started"); + + gtk_action_set_sensitive (priv->play_action, FALSE); + gtk_action_set_sensitive (priv->pause_action, TRUE); + gtk_action_set_visible (priv->play_action, FALSE); + gtk_action_set_visible (priv->pause_action, TRUE); + + if (priv->position_updater_id) { + g_source_remove (priv->position_updater_id); + priv->position_updater_id = 0; + } + update_position (gui); + priv->position_updater_id = g_timeout_add (1000, update_position, gui); +} + +static void +demo_gui_playing_paused (DemoPlayer * player, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + gtk_action_set_sensitive (priv->play_action, TRUE); + gtk_action_set_sensitive (priv->pause_action, FALSE); + gtk_action_set_visible (priv->play_action, TRUE); + gtk_action_set_visible (priv->pause_action, FALSE); + + priv->is_playing = FALSE; + + if (priv->position_updater_id) + g_source_remove (priv->position_updater_id); + priv->position_updater_id = 0; + update_position (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playing paused"); +} + +static void +demo_gui_playing_ended (DemoPlayer * player, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playing ended"); + gtk_action_activate (priv->playlist_next); +} + +static void +demo_gui_player_errored (DemoPlayer * player, const gchar * msg, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, 5, msg); +} + +static void +demo_gui_stride_changed (DemoPlayer * player, GParamSpec * pspec, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkEntry *entry = + GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_stride; + gchar e[6]; + + g_object_get (G_OBJECT (player), "stride", &new_stride, NULL); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Stride changed to %u", new_stride); + + snprintf (e, 6, "%u", new_stride); + gtk_entry_set_text (entry, e); +} + +static void +demo_gui_overlap_changed (DemoPlayer * player, + GParamSpec * pspec, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkEntry *entry = + GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gdouble new_overlap; + gchar e[6]; + + g_object_get (G_OBJECT (player), "overlap", &new_overlap, NULL); + new_overlap *= 100; + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Overlap changed to %2.0lf%%", new_overlap); + + snprintf (e, 6, "%2.0f", new_overlap); + gtk_entry_set_text (entry, e); +} + +static void +demo_gui_search_changed (DemoPlayer * player, GParamSpec * pspec, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkEntry *entry = + GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_search; + gchar e[6]; + + g_object_get (G_OBJECT (player), "search", &new_search, NULL); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Search changed to %u", new_search); + + snprintf (e, 6, "%u", new_search); + gtk_entry_set_text (entry, e); +} + + +/* method implementations */ +static void +demo_gui_set_player_func (DemoGui * gui, DemoPlayer * player) +{ + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->player) { + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_rate_changed), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_playing_started), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_playing_paused), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_playing_ended), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_player_errored), gui); + g_object_unref (priv->player); + } + g_object_ref (player); + priv->player = player; + g_signal_connect (G_OBJECT (priv->player), "error", + G_CALLBACK (demo_gui_player_errored), gui); + g_signal_connect (G_OBJECT (priv->player), "rate-changed", + G_CALLBACK (demo_gui_rate_changed), gui); + g_signal_connect (G_OBJECT (priv->player), "playing-started", + G_CALLBACK (demo_gui_playing_started), gui); + g_signal_connect (G_OBJECT (priv->player), "playing-paused", + G_CALLBACK (demo_gui_playing_paused), gui); + g_signal_connect (G_OBJECT (priv->player), "playing-ended", + G_CALLBACK (demo_gui_playing_ended), gui); + priv->is_playing = FALSE; +} + +static void +demo_gui_set_playlist_func (DemoGui * gui, GList * uris) +{ + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + priv->uris = uris; +} + +typedef struct _ActionEntry +{ + GtkAction *action; + GtkWidget *button; + const gchar *accel; + const gchar *name; + const gchar *label; + const gchar *tooltip; + const gchar *stock_id; + GtkAccelGroup *accel_group; + GtkActionGroup *action_group; + GCallback callback; + gpointer data; +} ActionEntry; + +static GValueArray * +build_gvalue_array (guint n_values, ...) +{ + va_list args; + GValueArray *gva; + int i; + + va_start (args, n_values); + gva = g_value_array_new (n_values); + + for (i = 0; i < n_values; i++) { + GType type = va_arg (args, GType); + GValue *gval = g_new0 (GValue, 1); + if (type == G_TYPE_INT) { + gint value = va_arg (args, gint); + g_value_set_int (g_value_init (gval, G_TYPE_INT), value); + } else if (type == G_TYPE_UINT) { + guint value = va_arg (args, guint); + g_value_set_uint (g_value_init (gval, G_TYPE_UINT), value); + } else if (type == G_TYPE_DOUBLE) { + double value = va_arg (args, double); + g_value_set_double (g_value_init (gval, G_TYPE_DOUBLE), value); + } else if (type == G_TYPE_OBJECT) { + GObject *value = va_arg (args, GObject *); + g_value_set_object (g_value_init (gval, G_TYPE_OBJECT), value); + } else { + g_critical ("build_gvalue_array cannot handle type (%s)", + g_type_name (type)); + va_end (args); + return NULL; + } + g_value_array_append (gva, gval); + } + va_end (args); + return gva; +} + +static void +create_action (ActionEntry * p) +{ + p->action = gtk_action_new (p->name, p->label, p->tooltip, p->stock_id); + + gtk_action_group_add_action_with_accel (p->action_group, p->action, p->accel); + gtk_action_set_accel_group (p->action, p->accel_group); + gtk_action_connect_accelerator (p->action); + + p->button = gtk_button_new (); + gtk_action_connect_proxy (p->action, p->button); + gtk_button_set_image (GTK_BUTTON (p->button), + gtk_action_create_icon (p->action, GTK_ICON_SIZE_BUTTON)); + g_signal_connect (G_OBJECT (p->action), "activate", p->callback, p->data); +} + +static void +demo_gui_show_func (DemoGui * gui) +{ + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + GtkWidget *window; + GtkAccelGroup *accel_group; + GtkActionGroup *action_group; + GtkAction *toggle_advanced, *toggle_disabled; + ActionEntry *slower_lg, *slower_sm, *faster_sm, *faster_lg, *normal, + *rewind_lg, *rewind_sm, *forward_sm, *forward_lg, *pause, *play, + *play_pause, *open_file, *playlist_prev, *playlist_next, *quit, *about; + GtkRequisition pause_size; + GtkWidget *rate_entry, *rate_label, *toolbox, *stride_ui, *overlap_ui, + *search_ui, *propbox, *adv_check, *disabled_check, *media_controls, + *amount_played, *amount_to_play, *seek_range, *seek_bar, *status_bar, + *file_menu, *file_menu_item, *media_menu_item, *demo_menu, + *demo_menu_item, *menu_bar, *toplevel_box, *media_menu; + GError *error = NULL; + + gtk_init (NULL, NULL); + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (demo_gui_do_quit), + gui); + + accel_group = gtk_accel_group_new (); + gtk_window_add_accel_group (GTK_WINDOW (window), accel_group); + action_group = gtk_action_group_new ("toolbar"); + + slower_lg = &(ActionEntry) { + NULL, NULL, + "braceleft", "slower-large", + "2x Slower", "half playback rate", + GTK_STOCK_GO_DOWN, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 0.5) + }; + create_action (slower_lg); + + slower_sm = &(ActionEntry) { + NULL, NULL, + "bracketleft", "slower-small", + "_Slower", "decrease playback rate", + GTK_STOCK_GO_DOWN, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, pow (2, + -1.0 / 12)) + }; + create_action (slower_sm); + + faster_sm = &(ActionEntry) { + NULL, NULL, + "bracketright", "faster-small", + "_Faster", "increase playback rate", + GTK_STOCK_GO_UP, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, pow (2, + 1.0 / 12)) + }; + create_action (faster_sm); + + faster_lg = &(ActionEntry) { + NULL, NULL, + "braceright", "faster-large", + "2X Faster", "double playback rate", + GTK_STOCK_GO_UP, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 2.0) + }; + create_action (faster_lg); + + normal = &(ActionEntry) { + NULL, NULL, + "backslash", "normal", + "_Normal", "playback normal rate", + GTK_STOCK_CLEAR, accel_group, action_group, + G_CALLBACK (demo_gui_do_set_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 1.0) + }; + create_action (normal); + + rewind_lg = &(ActionEntry) { + NULL, NULL, + "<ctrl><shift>Left", "seek-rewind-large", + "Rewind (large)", "seek -30 seconds", + GTK_STOCK_MEDIA_REWIND, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, -30) + }; + create_action (rewind_lg); + + rewind_sm = &(ActionEntry) { + NULL, NULL, + "<ctrl>Left", "seek-rewind-small", + "Rewind", "seek -15 seconds", + GTK_STOCK_MEDIA_REWIND, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, -5) + }; + create_action (rewind_sm); + + forward_sm = &(ActionEntry) { + NULL, NULL, + "<ctrl>Right", "seek-forward-small", + "Forward", "seek +5 seconds", + GTK_STOCK_MEDIA_FORWARD, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, 5) + }; + create_action (forward_sm); + + forward_lg = &(ActionEntry) { + NULL, NULL, + "<ctrl><shift>Right", "seek-forward-large", + "Forward (large)", "seek +30 seconds", + GTK_STOCK_MEDIA_FORWARD, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, 30) + }; + create_action (forward_lg); + + pause = &(ActionEntry) { + NULL, NULL, + "p", "pause", + "Pause", "Pause playback", + GTK_STOCK_MEDIA_PAUSE, accel_group, action_group, + G_CALLBACK (demo_gui_do_pause), gui}; + create_action (pause); + + play = &(ActionEntry) { + NULL, NULL, + "<ctrl>p", "play", + "Play", "Start Playback", + GTK_STOCK_MEDIA_PLAY, accel_group, action_group, + G_CALLBACK (demo_gui_do_play), gui}; + create_action (play); + gtk_widget_size_request (pause->button, &pause_size); + gtk_widget_set_size_request (play->button, pause_size.width, -1); + + play_pause = &(ActionEntry) { + NULL, NULL, + "space", "play-pause", + "Play/Pause", "Toggle playback", + NULL, accel_group, action_group, + G_CALLBACK (demo_gui_do_play_pause), gui}; + create_action (play_pause); + + open_file = &(ActionEntry) { + NULL, NULL, + "<ctrl>o", "open-file", + "Open File", "Open file for playing", + GTK_STOCK_OPEN, accel_group, action_group, + G_CALLBACK (demo_gui_do_open_file), gui}; + create_action (open_file); + + playlist_prev = &(ActionEntry) { + NULL, NULL, + "less", "playlist-previous", + "Previous", "Previous in playlist", + GTK_STOCK_MEDIA_PREVIOUS, accel_group, action_group, + G_CALLBACK (demo_gui_do_playlist_prev), gui}; + create_action (playlist_prev); + + playlist_next = &(ActionEntry) { + NULL, NULL, + "greater", "playlist-next", + "Next", "Next in playlist", + GTK_STOCK_MEDIA_NEXT, accel_group, action_group, + G_CALLBACK (demo_gui_do_playlist_next), gui}; + create_action (playlist_next); + + quit = &(ActionEntry) { + NULL, NULL, + "q", "quit", + "Quit", "Quit demo", + GTK_STOCK_QUIT, accel_group, action_group, + G_CALLBACK (demo_gui_do_quit), gui}; + create_action (quit); + + about = &(ActionEntry) { + NULL, NULL, + "<ctrl>h", "about", + "About", "About gst-scaletemo-demo", + GTK_STOCK_ABOUT, accel_group, action_group, + G_CALLBACK (demo_gui_do_about_dialog), gui}; + create_action (about); + + rate_entry = gtk_entry_new (); + rate_label = gtk_label_new ("Rate:"); + gtk_entry_set_max_length (GTK_ENTRY (rate_entry), 5); + gtk_entry_set_text (GTK_ENTRY (rate_entry), "1.0"); + gtk_entry_set_width_chars (GTK_ENTRY (rate_entry), 5); + g_signal_connect (G_OBJECT (rate_entry), "activate", + G_CALLBACK (demo_gui_do_rate_entered), gui); + + toolbox = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (toolbox), slower_sm->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), rate_label, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), rate_entry, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), faster_sm->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), normal->button, FALSE, FALSE, 2); + + + stride_ui = + gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (60, 1, 1000, 1, + 10, 0)), 0, 0); + overlap_ui = + gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (20, 0, 100, 5, + 10, .00001)), 0, 0); + search_ui = + gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (14, 0, 1000, 1, + 10, 0)), 0, 0); + gtk_widget_set_sensitive (stride_ui, FALSE); + gtk_widget_set_sensitive (overlap_ui, FALSE); + gtk_widget_set_sensitive (search_ui, FALSE); + g_signal_connect (G_OBJECT (stride_ui), "output", + G_CALLBACK (demo_gui_request_set_stride), gui); + g_signal_connect (G_OBJECT (overlap_ui), "output", + G_CALLBACK (demo_gui_request_set_overlap), gui); + g_signal_connect (G_OBJECT (search_ui), "output", + G_CALLBACK (demo_gui_request_set_search), gui); + g_signal_connect (G_OBJECT (priv->player), "notify::stride", + G_CALLBACK (demo_gui_stride_changed), build_gvalue_array (2, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, stride_ui)); + g_signal_connect (G_OBJECT (priv->player), "notify::overlap", + G_CALLBACK (demo_gui_overlap_changed), build_gvalue_array (2, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, overlap_ui)); + g_signal_connect (G_OBJECT (priv->player), "notify::search", + G_CALLBACK (demo_gui_search_changed), build_gvalue_array (2, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, search_ui)); + propbox = gtk_hbox_new (FALSE, 0); + adv_check = gtk_check_button_new (); + gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("stride:"), FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), stride_ui, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("overlap:"), FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), overlap_ui, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("search:"), FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), search_ui, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), adv_check, FALSE, FALSE, 2); + + toggle_advanced = + GTK_ACTION (gtk_toggle_action_new ("advanced", "Enable Parameters", + "Toggle advanced controls", 0)); + gtk_action_group_add_action_with_accel (action_group, toggle_advanced, + "<ctrl>a"); + gtk_action_set_accel_group (toggle_advanced, accel_group); + gtk_action_connect_accelerator (toggle_advanced); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (toggle_advanced), FALSE); + gtk_action_connect_proxy (toggle_advanced, adv_check); + g_signal_connect (G_OBJECT (toggle_advanced), "activate", + G_CALLBACK (demo_gui_do_toggle_advanced), build_gvalue_array (4, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, stride_ui, G_TYPE_OBJECT, + overlap_ui, G_TYPE_OBJECT, search_ui)); + + toggle_disabled = + GTK_ACTION (gtk_toggle_action_new ("disabled", "Disable Scaletempo", + "Toggle disabling scaletempo", 0)); + gtk_action_group_add_action_with_accel (action_group, toggle_disabled, + "<ctrl>d"); + gtk_action_set_accel_group (toggle_disabled, accel_group); + gtk_action_connect_accelerator (toggle_disabled); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (toggle_disabled), FALSE); + disabled_check = gtk_check_button_new (); + gtk_action_connect_proxy (toggle_disabled, disabled_check); + g_signal_connect (G_OBJECT (toggle_disabled), "activate", + G_CALLBACK (demo_gui_do_toggle_disabled), build_gvalue_array (3, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, toggle_advanced, G_TYPE_OBJECT, + propbox)); + gtk_box_pack_start (GTK_BOX (toolbox), disabled_check, FALSE, FALSE, 2); + + + media_controls = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (media_controls), playlist_prev->button, FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), rewind_sm->button, FALSE, FALSE, + 2); + gtk_box_pack_start (GTK_BOX (media_controls), play->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), pause->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), forward_sm->button, FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), playlist_next->button, FALSE, + FALSE, 2); + + amount_played = gtk_label_new ("?:??:??"); + amount_to_play = gtk_label_new ("-?:??:??"); + gtk_label_set_width_chars (GTK_LABEL (amount_played), 8); + gtk_label_set_width_chars (GTK_LABEL (amount_to_play), 8); + gtk_misc_set_alignment (GTK_MISC (amount_played), 1, 1); + gtk_misc_set_alignment (GTK_MISC (amount_to_play), 0, 1); + seek_range = + gtk_hscale_new (GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 5.0, + 30.0, 0.00))); + gtk_range_set_update_policy (GTK_RANGE (seek_range), + GTK_UPDATE_DISCONTINUOUS); + seek_bar = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (seek_bar), amount_played, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (seek_bar), seek_range, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (seek_bar), amount_to_play, FALSE, FALSE, 2); + g_signal_connect (G_OBJECT (seek_range), "format-value", + G_CALLBACK (demo_gui_seek_bar_format), gui); + g_signal_connect (G_OBJECT (seek_range), "change-value", + G_CALLBACK (demo_gui_seek_bar_change), gui); + + status_bar = gtk_statusbar_new (); + + /* Menubar */ + file_menu = gtk_menu_new (); + gtk_menu_set_accel_group (GTK_MENU (file_menu), accel_group); + gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), + gtk_action_create_menu_item (open_file->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), + gtk_action_create_menu_item (about->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), + gtk_action_create_menu_item (quit->action)); + file_menu_item = gtk_menu_item_new_with_mnemonic ("_File"); + gtk_menu_item_set_submenu (GTK_MENU_ITEM (file_menu_item), file_menu); + + media_menu = gtk_menu_new (); + gtk_menu_set_accel_group (GTK_MENU (media_menu), accel_group); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (rewind_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (rewind_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (forward_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (forward_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (play->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (pause->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (play_pause->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (playlist_prev->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (playlist_next->action)); + media_menu_item = gtk_menu_item_new_with_mnemonic ("_Media"); + gtk_menu_item_set_submenu (GTK_MENU_ITEM (media_menu_item), media_menu); + + demo_menu = gtk_menu_new (); + gtk_menu_set_accel_group (GTK_MENU (demo_menu), accel_group); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (faster_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (faster_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (slower_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (slower_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (normal->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (toggle_disabled)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (toggle_advanced)); + demo_menu_item = gtk_menu_item_new_with_mnemonic ("_Scaletempo"); + gtk_menu_item_set_submenu (GTK_MENU_ITEM (demo_menu_item), demo_menu); + + menu_bar = gtk_menu_bar_new (); + gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), file_menu_item); + gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), media_menu_item); + gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), demo_menu_item); + + /* Toplevel Window */ + gtk_window_set_title (GTK_WINDOW (window), "Scaletempo Demo"); + toplevel_box = gtk_vbox_new (FALSE, 0); + gtk_container_set_border_width (GTK_CONTAINER (toplevel_box), 3); + gtk_container_add (GTK_CONTAINER (window), toplevel_box); + gtk_box_pack_start (GTK_BOX (toplevel_box), menu_bar, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), media_controls, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), toolbox, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), propbox, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), seek_bar, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), status_bar, FALSE, FALSE, 2); + + priv->window = window; + priv->rate_entry = GTK_ENTRY (rate_entry); + priv->status_bar = GTK_STATUSBAR (status_bar); + priv->seek_range = GTK_RANGE (seek_range); + priv->amount_played = GTK_LABEL (amount_played); + priv->amount_to_play = GTK_LABEL (amount_to_play); + priv->play_action = GTK_ACTION (play->action); + priv->pause_action = GTK_ACTION (pause->action); + priv->open_file = GTK_ACTION (open_file->action); + priv->playlist_next = GTK_ACTION (playlist_next->action); + + gtk_action_set_sensitive (priv->pause_action, FALSE); + gtk_action_set_visible (priv->pause_action, FALSE); + + gtk_widget_show_all (window); + gtk_widget_grab_focus (seek_range); + gtk_action_activate (priv->playlist_next); + status_bar_printf (GTK_STATUSBAR (status_bar), 5, + "Welcome to the Scaletempo demo."); + + if (!g_thread_create ((GThreadFunc) gtk_main, NULL, FALSE, &error)) { + g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, error->message); + } +} + + +/* Method wrappers */ +void +demo_gui_set_player (DemoGui * gui, DemoPlayer * player) +{ + g_return_if_fail (DEMO_IS_GUI (gui)); + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_GUI_GET_CLASS (gui)->set_player (gui, player); +} + +void +demo_gui_set_playlist (DemoGui * gui, GList * uris) +{ + g_return_if_fail (DEMO_IS_GUI (gui)); + + DEMO_GUI_GET_CLASS (gui)->set_playlist (gui, uris); +} + +void +demo_gui_show (DemoGui * gui) +{ + g_return_if_fail (DEMO_IS_GUI (gui)); + + DEMO_GUI_GET_CLASS (gui)->show (gui); +} + + + +/* GObject overrides */ +static void +demo_gui_get_property (GObject * object, + guint property_id, GValue * value, GParamSpec * pspec) +{ + //DemoGui *gui = DEMO_GUI (object); + switch (property_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +demo_gui_set_property (GObject * object, + guint property_id, const GValue * value, GParamSpec * pspec) +{ + //DemoGui *gui = DEMO_GUI (object); + switch (property_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + + +/* GTypeInfo functions */ +static void +demo_gui_init (GTypeInstance * instance, gpointer klass) +{ + DemoGui *gui = (DemoGui *) instance; + + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + priv->player = NULL; + priv->uris = NULL; + priv->now_playing = NULL; + priv->is_playing = FALSE; + priv->window = NULL; + priv->rate_entry = NULL; + priv->position_updater_id = 0; + priv->seek_range = NULL; + priv->amount_played = NULL; + priv->amount_to_play = NULL; +} + +static void +demo_gui_class_init (gpointer klass, gpointer class_data) +{ + DemoGuiClass *gui_class = (DemoGuiClass *) klass; + GObjectClass *as_object_class = G_OBJECT_CLASS (klass); + GType type; + + g_type_class_add_private (klass, sizeof (DemoGuiPrivate)); + + /* DemiPlayer */ + gui_class->set_player = demo_gui_set_player_func; + gui_class->set_playlist = demo_gui_set_playlist_func; + gui_class->show = demo_gui_show_func; + + /* GObject */ + as_object_class->get_property = demo_gui_get_property; + as_object_class->set_property = demo_gui_set_property; + + /* Properties */ + + /* Signals */ + type = G_TYPE_FROM_CLASS (klass); + demo_gui_signals[SIGNAL_ERROR] = g_signal_new ("error", type, + G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); + + demo_gui_signals[SIGNAL_QUITING] = g_signal_new ("quiting", type, + G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, NULL); +} + +GType +demo_gui_get_type (void) +{ + static GType type = 0; + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo info = { + sizeof /* Class */ (DemoGuiClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) demo_gui_class_init, + (GClassFinalizeFunc) NULL, + (gconstpointer) NULL, /* class_data */ + sizeof /* Instance */ (DemoGui), + /* n_preallocs */ 0, + (GInstanceInitFunc) demo_gui_init, + (const GTypeValueTable *) NULL + }; + type = g_type_register_static (G_TYPE_OBJECT, "DemoGui", &info, 0); + } + return type; +} |