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Diffstat (limited to 'src/transport-widget.c')
| -rw-r--r-- | src/transport-widget.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/transport-widget.c b/src/transport-widget.c new file mode 100644 index 0000000..c53513d --- /dev/null +++ b/src/transport-widget.c @@ -0,0 +1,230 @@ +/* +Copyright 2010 Canonical Ltd. + +Authors: + Conor Curran <conor.curran@canonical.com> + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License version 3, as published +by the Free Software Foundation. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranties of +MERCHANTABILITY, SATISFACTORY QUALITY, 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 <glib/gi18n.h> +#include "transport-widget.h" +#include "common-defs.h" +#include <gtk/gtk.h> + +// TODO: think about leakage: ted ! + +static DbusmenuMenuitem* twin_item; + +typedef struct _TransportWidgetPrivate TransportWidgetPrivate; + +struct _TransportWidgetPrivate +{ + GtkWidget* hbox; + GtkWidget* play_button; +}; + +enum { + PLAY, + PAUSE, + NEXT, + PREVIOUS, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +#define TRANSPORT_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TRANSPORT_WIDGET_TYPE, TransportWidgetPrivate)) + +/* Gobject boiler plate */ +static void transport_widget_class_init (TransportWidgetClass *klass); +static void transport_widget_init (TransportWidget *self); +static void transport_widget_dispose (GObject *object); +static void transport_widget_finalize (GObject *object); + +/* UI and dbusmenu callbacks */ +static gboolean transport_widget_button_press_event (GtkWidget *menuitem, + GdkEventButton *event); +static gboolean transport_widget_button_release_event (GtkWidget *menuitem, + GdkEventButton *event); + +static void transport_widget_property_update(DbusmenuMenuitem* item, + gchar * property, + GValue * value, + gpointer userdata); +// utility methods +static gchar* transport_widget_toggle_play_label(const gchar* state); + +G_DEFINE_TYPE (TransportWidget, transport_widget, GTK_TYPE_MENU_ITEM); + + + +static void +transport_widget_class_init (TransportWidgetClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + widget_class->button_press_event = transport_widget_button_press_event; + widget_class->button_release_event = transport_widget_button_release_event; + + g_type_class_add_private (klass, sizeof (TransportWidgetPrivate)); + + gobject_class->dispose = transport_widget_dispose; + gobject_class->finalize = transport_widget_finalize; + + signals[PLAY] = g_signal_new ("play", + G_OBJECT_CLASS_TYPE (gobject_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + signals[PAUSE] = g_signal_new ("pause", + G_OBJECT_CLASS_TYPE (gobject_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + + signals[NEXT] = g_signal_new ("next", + G_OBJECT_CLASS_TYPE (gobject_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + signals[PREVIOUS] = g_signal_new ("previous", + G_OBJECT_CLASS_TYPE (gobject_class), + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +transport_widget_init (TransportWidget *self) +{ + g_debug("TransportWidget::transport_widget_init"); + + TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(self); + GtkWidget *hbox; + + hbox = gtk_hbox_new(TRUE, 2); + + gchar* label = ">"; + if(dbusmenu_menuitem_property_get_bool(twin_item, DBUSMENU_TRANSPORT_MENUITEM_STATE) == TRUE){ + label = "||"; + } + + priv->play_button = gtk_button_new_with_label(g_strdup(label)); + gtk_box_pack_start (GTK_BOX (hbox), priv->play_button, FALSE, TRUE, 0); + + priv->hbox = hbox; + + g_signal_connect(G_OBJECT(twin_item), "property-changed", G_CALLBACK(transport_widget_property_update), self); + + gtk_container_add (GTK_CONTAINER (self), priv->hbox); + + gtk_widget_show_all (priv->hbox); +} + +static void +transport_widget_dispose (GObject *object) +{ + G_OBJECT_CLASS (transport_widget_parent_class)->dispose (object); +} + +static void +transport_widget_finalize (GObject *object) +{ + G_OBJECT_CLASS (transport_widget_parent_class)->finalize (object); +} + +/* keyevents */ +static gboolean +transport_widget_button_press_event (GtkWidget *menuitem, + GdkEventButton *event) +{ + g_debug("TransportWidget::menu_press_event"); + TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(menuitem)); + + gboolean state = g_ascii_strcasecmp(gtk_button_get_label(GTK_BUTTON(priv->play_button)), ">") == 0; + + gtk_button_set_label(GTK_BUTTON(priv->play_button), transport_widget_toggle_play_label(gtk_button_get_label(GTK_BUTTON(priv->play_button)))); + GValue value = {0}; + g_value_init(&value, G_TYPE_BOOLEAN); + g_debug("TransportWidget::menu_press_event - going to send value %i", state); + + g_value_set_boolean(&value, state); + dbusmenu_menuitem_handle_event (twin_item, "Transport state change", &value, 0); + + return TRUE; +} + +static gboolean +transport_widget_button_release_event (GtkWidget *menuitem, + GdkEventButton *event) +{ + g_debug("TransportWidget::menu_release_event"); + return TRUE; +} + +/** +* transport_widget_update_state() +* Callback for updates from the other side of dbus +**/ +static void +transport_widget_property_update(DbusmenuMenuitem* item, gchar* property, + GValue* value, gpointer userdata) +{ + g_debug("transport_widget_update_state - with property %s", property); + gchar* input = g_strdup(g_value_get_string(value)); + g_debug("transport_widget_update_state - with value %s", input); + + TransportWidget* bar = (TransportWidget*)userdata; + TransportWidgetPrivate *priv = TRANSPORT_WIDGET_GET_PRIVATE(bar); + + gtk_button_set_label(GTK_BUTTON(priv->play_button), g_strdup(transport_widget_toggle_play_label(property))); +} + +// will be needed for image swapping +static gchar* transport_widget_toggle_play_label(const gchar* state) +{ + gchar* label = ">"; + if(g_strcmp0(state, ">") == 0){ + label = "||"; + } + return label; +} + + /** + * transport_new: + * @returns: a new #TransportWidget. + **/ +GtkWidget* +transport_widget_new(DbusmenuMenuitem *item) +{ + twin_item = item; + return g_object_new(TRANSPORT_WIDGET_TYPE, NULL); +} + |