* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
#include "gtkframe.h"
#include "gtklabel.h"
+#include "gtksignal.h"
#include "gtkstatusbar.h"
+
+enum
+{
+ SIGNAL_TEXT_PUSHED,
+ SIGNAL_TEXT_POPPED,
+ SIGNAL_LAST
+};
+
static void gtk_statusbar_class_init (GtkStatusbarClass *class);
static void gtk_statusbar_init (GtkStatusbar *statusbar);
static void gtk_statusbar_destroy (GtkObject *object);
-static void gtk_statusbar_show_top_msg (GtkStatusbar *statusbar);
-
+static void gtk_statusbar_finalize (GtkObject *object);
+static void gtk_statusbar_update (GtkStatusbar *statusbar,
+ guint context_id,
+ const gchar *text);
+
static GtkContainerClass *parent_class;
+static guint statusbar_signals[SIGNAL_LAST] = { 0 };
guint
-gtk_statusbar_get_type ()
+gtk_statusbar_get_type (void)
{
static guint statusbar_type = 0;
if (!statusbar_type)
{
- GtkTypeInfo statusbar_info =
+ static const GtkTypeInfo statusbar_info =
{
"GtkStatusbar",
sizeof (GtkStatusbar),
sizeof (GtkStatusbarClass),
(GtkClassInitFunc) gtk_statusbar_class_init,
(GtkObjectInitFunc) gtk_statusbar_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
};
statusbar_type = gtk_type_unique (gtk_hbox_get_type (), &statusbar_info);
}
return statusbar_type;
-};
+}
static void
gtk_statusbar_class_init (GtkStatusbarClass *class)
widget_class = (GtkWidgetClass *) class;
container_class = (GtkContainerClass *) class;
- parent_class = gtk_type_class (gtk_box_get_type ());
-
+ parent_class = gtk_type_class (gtk_hbox_get_type ());
+
+ statusbar_signals[SIGNAL_TEXT_PUSHED] =
+ gtk_signal_new ("text_pushed",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (GtkStatusbarClass, text_pushed),
+ gtk_marshal_NONE__UINT_STRING,
+ GTK_TYPE_NONE, 2,
+ GTK_TYPE_UINT,
+ GTK_TYPE_STRING);
+ statusbar_signals[SIGNAL_TEXT_POPPED] =
+ gtk_signal_new ("text_popped",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (GtkStatusbarClass, text_popped),
+ gtk_marshal_NONE__UINT_STRING,
+ GTK_TYPE_NONE, 2,
+ GTK_TYPE_UINT,
+ GTK_TYPE_STRING);
+ gtk_object_class_add_signals (object_class, statusbar_signals, SIGNAL_LAST);
+
object_class->destroy = gtk_statusbar_destroy;
+ object_class->finalize = gtk_statusbar_finalize;
+
+ class->messages_mem_chunk = g_mem_chunk_new ("GtkStatusBar messages mem chunk",
+ sizeof (GtkStatusbarMsg),
+ sizeof (GtkStatusbarMsg) * 64,
+ G_ALLOC_AND_FREE);
+ class->text_pushed = gtk_statusbar_update;
+ class->text_popped = gtk_statusbar_update;
}
static void
gtk_statusbar_init (GtkStatusbar *statusbar)
{
- GTK_BOX (statusbar)->spacing = 2;
- GTK_BOX (statusbar)->homogeneous = FALSE;
+ GtkBox *box;
- statusbar->frame = gtk_frame_new(NULL);
- gtk_frame_set_shadow_type(GTK_FRAME(statusbar->frame), GTK_SHADOW_IN);
- gtk_box_pack_start(GTK_BOX(statusbar), statusbar->frame, 1,1,0);
+ box = GTK_BOX (statusbar);
- statusbar->label = gtk_label_new("");
- gtk_misc_set_alignment(GTK_MISC(statusbar->label), 0.0, 0.0);
- gtk_container_add(GTK_CONTAINER(statusbar->frame), statusbar->label);
+ box->spacing = 2;
+ box->homogeneous = FALSE;
- statusbar->next_statusid = 1;
+ statusbar->frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (statusbar->frame), GTK_SHADOW_IN);
+ gtk_box_pack_start (box, statusbar->frame, TRUE, TRUE, 0);
+ gtk_widget_show (statusbar->frame);
- statusbar->msgs = g_list_alloc();
+ statusbar->label = gtk_label_new ("");
+ gtk_misc_set_alignment (GTK_MISC (statusbar->label), 0.0, 0.0);
+ gtk_container_add (GTK_CONTAINER (statusbar->frame), statusbar->label);
+ gtk_widget_show (statusbar->label);
+
+ statusbar->seq_context_id = 1;
+ statusbar->seq_message_id = 1;
+ statusbar->messages = NULL;
+ statusbar->keys = NULL;
}
GtkWidget*
-gtk_statusbar_new ()
+gtk_statusbar_new (void)
{
- GtkStatusbar *statusbar;
+ return gtk_type_new (gtk_statusbar_get_type ());
+}
- statusbar = gtk_type_new (gtk_statusbar_get_type ());
+static void
+gtk_statusbar_update (GtkStatusbar *statusbar,
+ guint context_id,
+ const gchar *text)
+{
+ g_return_if_fail (statusbar != NULL);
+ g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
+
+ if (!text)
+ text = "";
+
+ gtk_label_set_text (GTK_LABEL (statusbar->label), text);
+}
+
+guint
+gtk_statusbar_get_context_id (GtkStatusbar *statusbar,
+ const gchar *context_description)
+{
+ gchar *string;
+ guint *id;
+
+ g_return_val_if_fail (statusbar != NULL, 0);
+ g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), 0);
+ g_return_val_if_fail (context_description != NULL, 0);
+
+ /* we need to preserve namespaces on object datas */
+ string = g_strconcat ("gtk-status-bar-context:", context_description, NULL);
+
+ id = gtk_object_get_data (GTK_OBJECT (statusbar), string);
+ if (!id)
+ {
+ id = g_new (guint, 1);
+ *id = statusbar->seq_context_id++;
+ gtk_object_set_data_full (GTK_OBJECT (statusbar), string, id, (GtkDestroyNotify) g_free);
+ statusbar->keys = g_slist_prepend (statusbar->keys, string);
+ }
+ else
+ g_free (string);
- return GTK_WIDGET (statusbar);
+ return *id;
}
-gint
-gtk_statusbar_push (GtkStatusbar *statusbar, gchar *str)
+guint
+gtk_statusbar_push (GtkStatusbar *statusbar,
+ guint context_id,
+ const gchar *text)
{
GtkStatusbarMsg *msg;
- GList *list;
+ GtkStatusbarClass *class;
- list = statusbar->msgs;
- msg = g_new(GtkStatusbarMsg, 1);
- msg->str = g_strdup(str);
- msg->statusid = statusbar->next_statusid;
- statusbar->next_statusid++;
+ g_return_val_if_fail (statusbar != NULL, 0);
+ g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), 0);
+ g_return_val_if_fail (text != NULL, 0);
+ g_return_val_if_fail (context_id > 0, 0);
- g_list_append(list, msg);
+ class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
+ msg = g_chunk_new (GtkStatusbarMsg, class->messages_mem_chunk);
+ msg->text = g_strdup (text);
+ msg->context_id = context_id;
+ msg->message_id = statusbar->seq_message_id++;
- gtk_statusbar_show_top_msg(statusbar);
+ statusbar->messages = g_slist_prepend (statusbar->messages, msg);
- return msg->statusid;
+ gtk_signal_emit (GTK_OBJECT (statusbar),
+ statusbar_signals[SIGNAL_TEXT_PUSHED],
+ msg->context_id,
+ msg->text);
+
+ return msg->message_id;
}
-static void
-gtk_statusbar_show_top_msg (GtkStatusbar *statusbar)
+void
+gtk_statusbar_pop (GtkStatusbar *statusbar,
+ guint context_id)
{
- GList *listitem;
- listitem = g_list_last(statusbar->msgs);
+ GtkStatusbarMsg *msg;
+
+ g_return_if_fail (statusbar != NULL);
+ g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
+ g_return_if_fail (context_id > 0);
+ if (statusbar->messages)
+ {
+ GSList *list;
+
+ for (list = statusbar->messages; list; list = list->next)
+ {
+ msg = list->data;
+
+ if (msg->context_id == context_id)
+ {
+ GtkStatusbarClass *class;
+
+ class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
+
+ statusbar->messages = g_slist_remove_link (statusbar->messages,
+ list);
+ g_free (msg->text);
+ g_mem_chunk_free (class->messages_mem_chunk, msg);
+ g_slist_free_1 (list);
+ break;
+ }
+ }
+ }
- if ((listitem != NULL) && (listitem->data != NULL))
- gtk_label_set(GTK_LABEL(statusbar->label), ((GtkStatusbarMsg*) (listitem->data))->str);
+ msg = statusbar->messages ? statusbar->messages->data : NULL;
+ gtk_signal_emit (GTK_OBJECT (statusbar),
+ statusbar_signals[SIGNAL_TEXT_POPPED],
+ (guint) (msg ? msg->context_id : 0),
+ msg ? msg->text : NULL);
}
void
-gtk_statusbar_pop (GtkStatusbar *statusbar, gint statusid)
+gtk_statusbar_remove (GtkStatusbar *statusbar,
+ guint context_id,
+ guint message_id)
{
- GList *listitem;
-
- listitem = g_list_last(statusbar->msgs);
+ GtkStatusbarMsg *msg;
+ g_return_if_fail (statusbar != NULL);
+ g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
+ g_return_if_fail (context_id > 0);
+ g_return_if_fail (message_id > 0);
- while ((listitem != NULL) && (listitem->data != NULL)) {
-
- if (((GtkStatusbarMsg*)(listitem->data))->statusid == statusid) {
- g_list_remove(listitem, listitem->data);
- break;
+ msg = statusbar->messages ? statusbar->messages->data : NULL;
+ if (msg)
+ {
+ GSList *list;
+
+ /* care about signal emission if the topmost item is removed */
+ if (msg->context_id == context_id &&
+ msg->message_id == message_id)
+ {
+ gtk_statusbar_pop (statusbar, context_id);
+ return;
+ }
+
+ for (list = statusbar->messages; list; list = list->next)
+ {
+ msg = list->data;
+
+ if (msg->context_id == context_id &&
+ msg->message_id == message_id)
+ {
+ GtkStatusbarClass *class;
+
+ class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
+ statusbar->messages = g_slist_remove_link (statusbar->messages, list);
+ g_free (msg->text);
+ g_mem_chunk_free (class->messages_mem_chunk, msg);
+ g_slist_free_1 (list);
+
+ break;
+ }
+ }
}
-
- listitem = listitem->prev;
- }
-
- gtk_statusbar_show_top_msg(statusbar);
}
static void
gtk_statusbar_destroy (GtkObject *object)
{
GtkStatusbar *statusbar;
+ GtkStatusbarClass *class;
+ GSList *list;
+
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_STATUSBAR (object));
statusbar = GTK_STATUSBAR (object);
- g_list_free(statusbar->msgs);
+ class = GTK_STATUSBAR_CLASS (GTK_OBJECT (statusbar)->klass);
+
+ for (list = statusbar->messages; list; list = list->next)
+ {
+ GtkStatusbarMsg *msg;
+
+ msg = list->data;
+ g_free (msg->text);
+ g_mem_chunk_free (class->messages_mem_chunk, msg);
+ }
+ g_slist_free (statusbar->messages);
+ statusbar->messages = NULL;
+
+ for (list = statusbar->keys; list; list = list->next)
+ g_free (list->data);
+ g_slist_free (statusbar->keys);
+ statusbar->keys = NULL;
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+ GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
+static void
+gtk_statusbar_finalize (GtkObject *object)
+{
+ GtkStatusbar *statusbar;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GTK_IS_STATUSBAR (object));
+
+ statusbar = GTK_STATUSBAR (object);
+
+ GTK_OBJECT_CLASS (parent_class)->finalize (object);
+}
projects / ~andy / gtk / blobdiff