From 5c4769a01771798afa29c5b446391c133ee7de9c Mon Sep 17 00:00:00 2001 From: Pierre-Luc Beaudoin Date: Fri, 16 Oct 2009 17:58:11 -0400 Subject: [PATCH] Add a "changed" signal --- champlain/champlain-selection-layer.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/champlain/champlain-selection-layer.c b/champlain/champlain-selection-layer.c index 3586b79..4abc2ba 100644 --- a/champlain/champlain-selection-layer.c +++ b/champlain/champlain-selection-layer.c @@ -43,12 +43,21 @@ G_DEFINE_TYPE (ChamplainSelectionLayer, champlain_selection_layer, CHAMPLAIN_TYP #define GET_PRIVATE(o) \ (G_TYPE_INSTANCE_GET_PRIVATE ((o), CHAMPLAIN_TYPE_SELECTION_LAYER, ChamplainSelectionLayerPrivate)) +enum +{ + /* normal signals */ + CHANGED, + LAST_SIGNAL +}; + enum { PROP_0, PROP_SELECTION_MODE }; +static guint signals[LAST_SIGNAL] = { 0, }; + struct _ChamplainSelectionLayerPrivate { ChamplainSelectionMode mode; GList *selection; @@ -116,6 +125,18 @@ champlain_selection_layer_class_init (ChamplainSelectionLayerClass *klass) CHAMPLAIN_TYPE_SELECTION_MODE, CHAMPLAIN_SELECTION_SINGLE, CHAMPLAIN_PARAM_READWRITE)); + + /** + * ChamplainSelectionLayer::changed + * + * The changed signal is emitted when the selected marker(s) change. + * + * Since: 0.4.1 + */ + signals[CHANGED] = + g_signal_new ("changed", G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } static void @@ -126,6 +147,8 @@ marker_select (ChamplainSelectionLayer *layer, g_object_ref (marker); g_object_set (marker, "highlighted", TRUE, NULL); layer->priv->selection = g_list_prepend (layer->priv->selection, marker); + + g_signal_emit_by_name (layer, "changed", NULL); } static void @@ -327,6 +350,8 @@ champlain_selection_layer_unselect_all (ChamplainSelectionLayer *layer) selection = g_list_delete_link (selection, selection); } layer->priv->selection = selection; + + g_signal_emit_by_name (layer, "changed", NULL); } /** @@ -385,6 +410,8 @@ champlain_selection_layer_unselect (ChamplainSelectionLayer *layer, g_object_set (selection->data, "highlighted", FALSE, NULL); g_object_unref (selection->data); layer->priv->selection = g_list_delete_link (layer->priv->selection, selection); + + g_signal_emit_by_name (layer, "changed", NULL); } } -- 2.39.5