Added double click handling.

2000-05-28  Christopher James Lahey  <clahey@helixcode.com>

	* e-table-group-container.c, e-table-group-leaf.c,
	e-table-group.c, e-table-group.h, e-table-item.c, e-table-item.h,
	e-table.c, e-table.h: Added double click handling.

svn path=/trunk/; revision=3238

17 files changed, 208 insertions, 12 deletions

diff --git a/widgets/e-table/ChangeLog b/widgets/e-table/ChangeLog
index 53d7990c65..ba13b88ec5 100644
--- a/widgets/e-table/ChangeLog
+++ b/widgets/e-table/ChangeLog
@@ -1,3 +1,9 @@
+2000-05-28  Christopher James Lahey  <clahey@helixcode.com>
+
+	* e-table-group-container.c, e-table-group-leaf.c,
+	e-table-group.c, e-table-group.h, e-table-item.c, e-table-item.h,
+	e-table.c, e-table.h: Added double click handling.
+
 2000-05-26  Christopher James Lahey  <clahey@helixcode.com>
 
 	* e-cell-text.c, e-cell-text.h: Added "strikeout_column" argument.
diff --git a/widgets/e-table/e-table-group-container.c b/widgets/e-table/e-table-group-container.c
index 6c69d1765d..8b6859af8b 100644
--- a/widgets/e-table/e-table-group-container.c
+++ b/widgets/e-table/e-table-group-container.c
@@ -292,6 +292,13 @@ child_row_selection (ETableGroup *etg, int row, gboolean selected,
 }
 
 static void
+child_double_click (ETableGroup *etg, int row,
+		    ETableGroupContainer *etgc)
+{
+	e_table_group_double_click (E_TABLE_GROUP (etgc), row);
+}
+
+static void
 etgc_add (ETableGroup *etg, gint row)
 {
 	ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
@@ -342,6 +349,8 @@ etgc_add (ETableGroup *etg, gint row)
 			      NULL);
 	gtk_signal_connect (GTK_OBJECT (child), "row_selection",
 			    GTK_SIGNAL_FUNC (child_row_selection), etgc);
+	gtk_signal_connect (GTK_OBJECT (child), "double_click",
+			    GTK_SIGNAL_FUNC (child_double_click), etgc);
 	child_node->child = child;
 	child_node->key = e_table_model_duplicate_value (etg->model, etgc->ecol->col_idx, val);
 	child_node->count = 1;
diff --git a/widgets/e-table/e-table-group-leaf.c b/widgets/e-table/e-table-group-leaf.c
index 4f7f462ee8..674a70608a 100644
--- a/widgets/e-table/e-table-group-leaf.c
+++ b/widgets/e-table/e-table-group-leaf.c
@@ -91,6 +91,13 @@ etgl_row_selection (GtkObject *object, gint row, gboolean selected, ETableGroupL
 }
 
 static void
+etgl_double_click (GtkObject *object, gint row, ETableGroupLeaf *etgl)
+{
+	if (row < E_TABLE_SUBSET(etgl->subset)->n_map)
+		e_table_group_double_click (E_TABLE_GROUP(etgl), E_TABLE_SUBSET(etgl->subset)->map_table[row]);
+}
+
+static void
 etgl_reflow (GnomeCanvasItem *item, gint flags)
 {
 	ETableGroupLeaf *leaf = E_TABLE_GROUP_LEAF(item);
@@ -124,6 +131,8 @@ etgl_realize (GnomeCanvasItem *item)
 	
 	gtk_signal_connect (GTK_OBJECT(etgl->item), "row_selection",
 			    GTK_SIGNAL_FUNC(etgl_row_selection), etgl);
+	gtk_signal_connect (GTK_OBJECT(etgl->item), "double_click",
+			    GTK_SIGNAL_FUNC(etgl_double_click), etgl);
 	e_canvas_item_request_reflow(item);
 }
 
diff --git a/widgets/e-table/e-table-group.c b/widgets/e-table/e-table-group.c
index 5adc4f85b1..90893cfee2 100644
--- a/widgets/e-table/e-table-group.c
+++ b/widgets/e-table/e-table-group.c
@@ -29,6 +29,7 @@ static GnomeCanvasGroupClass *etg_parent_class;
 
 enum {
 	ROW_SELECTION,
+	DOUBLE_CLICK,
 	LAST_SIGNAL
 };
 
@@ -202,6 +203,17 @@ e_table_group_row_selection (ETableGroup *e_table_group, gint row, gboolean sele
 			 row, selected);
 }
 
+void
+e_table_group_double_click (ETableGroup *e_table_group, gint row)
+{
+	g_return_if_fail (e_table_group != NULL);
+	g_return_if_fail (E_IS_TABLE_GROUP (e_table_group));
+
+	gtk_signal_emit (GTK_OBJECT (e_table_group),
+			 etg_signals [DOUBLE_CLICK],
+			 row);
+}
+
 ETableHeader *
 e_table_group_get_header (ETableGroup *etg)
 {
@@ -251,6 +263,7 @@ etg_class_init (GtkObjectClass *object_class)
 	item_class->event = etg_event;
 
 	klass->row_selection = NULL;
+	klass->double_click = NULL;
 	
 	klass->add = NULL;
 	klass->add_all = NULL;
@@ -271,6 +284,14 @@ etg_class_init (GtkObjectClass *object_class)
 				gtk_marshal_NONE__INT_INT,
 				GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
 
+	etg_signals [DOUBLE_CLICK] =
+		gtk_signal_new ("double_click",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETableGroupClass, double_click),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
+
 	gtk_object_class_add_signals (object_class, etg_signals, LAST_SIGNAL);
 }
 
diff --git a/widgets/e-table/e-table-group.h b/widgets/e-table/e-table-group.h
index dd0771745b..8226ad055c 100644
--- a/widgets/e-table/e-table-group.h
+++ b/widgets/e-table/e-table-group.h
@@ -41,8 +41,12 @@ typedef struct {
 
 typedef struct {
 	GnomeCanvasGroupClass parent_class;
-	void        (*row_selection)      (ETableGroup *etg, int row, gboolean selected);
 
+	/* Signals */
+	void        (*row_selection)  (ETableGroup *etg, int row, gboolean selected);
+	void        (*double_click)   (ETableGroup *etg, int row);
+
+	/* Virtual functions. */
 	void (*add) (ETableGroup *etg, gint row);
 	void (*add_all) (ETableGroup *etg);
 	gboolean (*remove) (ETableGroup *etg, gint row);
@@ -88,6 +92,8 @@ void             e_table_group_construct (GnomeCanvasGroup *parent,
 void             e_table_group_row_selection (ETableGroup      *etg,
 					      gint              row,
 					      gboolean          selected);
+void             e_table_group_double_click  (ETableGroup      *etg,
+					      gint              row);
 
 GtkType          e_table_group_get_type  (void);
 
diff --git a/widgets/e-table/e-table-item.c b/widgets/e-table/e-table-item.c
index 05b722f27c..ad645a8c39 100644
--- a/widgets/e-table/e-table-item.c
+++ b/widgets/e-table/e-table-item.c
@@ -28,6 +28,7 @@ static GnomeCanvasItemClass *eti_parent_class;
 
 enum {
 	ROW_SELECTION,
+	DOUBLE_CLICK,
 	LAST_SIGNAL
 };
 
@@ -1127,8 +1128,7 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
 
 	switch (e->type){
 	case GDK_BUTTON_PRESS:
-	case GDK_BUTTON_RELEASE:
-	case GDK_2BUTTON_PRESS: {
+	case GDK_BUTTON_RELEASE: {
 		double x1, y1;
 		int col, row;
 
@@ -1164,6 +1164,23 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
 		break;
 	}
 
+	case GDK_2BUTTON_PRESS: {
+		double x1, y1;
+		int col, row;
+
+		if (e->button.button == 5 ||
+		    e->button.button == 4)
+			return FALSE;
+
+		gnome_canvas_item_w2i (item, &e->button.x, &e->button.y);
+
+		if (!find_cell (eti, e->button.x, e->button.y, &col, &row, &x1, &y1))
+			return TRUE;
+
+		gtk_signal_emit (GTK_OBJECT (eti), eti_signals [DOUBLE_CLICK],
+				 GPOINTER_TO_INT (eti->selection->data));
+		break;
+	}
 	case GDK_MOTION_NOTIFY: {
 		int col, row;
 		double x1, y1;
@@ -1317,7 +1334,8 @@ eti_class_init (GtkObjectClass *object_class)
 	item_class->point       = eti_point;
 	item_class->event       = eti_event;
 	
-	eti_class->row_selection = eti_row_selection;
+	eti_class->row_selection    = eti_row_selection;
+	eti_class->double_click = NULL;
 
 	gtk_object_add_arg_type ("ETableItem::ETableHeader", GTK_TYPE_OBJECT,
 				 GTK_ARG_WRITABLE, ARG_TABLE_HEADER);
@@ -1348,7 +1366,15 @@ eti_class_init (GtkObjectClass *object_class)
 				GTK_SIGNAL_OFFSET (ETableItemClass, row_selection),
 				gtk_marshal_NONE__INT_INT,
 				GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
-	
+
+	eti_signals [DOUBLE_CLICK] =
+		gtk_signal_new ("double_click",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETableItemClass, double_click),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
+
 	gtk_object_class_add_signals (object_class, eti_signals, LAST_SIGNAL);
 
 }
diff --git a/widgets/e-table/e-table-item.h b/widgets/e-table/e-table-item.h
index 9cdb04c2ff..1e9b6a46d6 100644
--- a/widgets/e-table/e-table-item.h
+++ b/widgets/e-table/e-table-item.h
@@ -79,7 +79,8 @@ typedef struct {
 typedef struct {
 	GnomeCanvasItemClass parent_class;
 
-	void        (*row_selection)      (ETableItem *eti, int row, gboolean selected);
+	void        (*row_selection) (ETableItem *eti, int row, gboolean selected);
+	void        (*double_click)  (ETableItem *eti, int row);
 } ETableItemClass;
 
 GtkType    e_table_item_get_type (void);
diff --git a/widgets/e-table/e-table.c b/widgets/e-table/e-table.c
index 61f7f97918..f5abd29d5a 100644
--- a/widgets/e-table/e-table.c
+++ b/widgets/e-table/e-table.c
@@ -40,6 +40,7 @@ static GtkObjectClass *e_table_parent_class;
 
 enum {
 	ROW_SELECTION,
+	DOUBLE_CLICK,
 	LAST_SIGNAL
 };
 
@@ -188,6 +189,14 @@ group_row_selection (ETableGroup *etg, int row, gboolean selected, ETable *et)
 			 row, selected);
 }
 
+static void
+group_double_click (ETableGroup *etg, int row, ETable *et)
+{
+	gtk_signal_emit (GTK_OBJECT (et),
+			 et_signals [DOUBLE_CLICK],
+			 row);
+}
+
 static gboolean
 changed_idle (gpointer data)
 {
@@ -209,6 +218,8 @@ changed_idle (gpointer data)
 				      NULL);
 		gtk_signal_connect (GTK_OBJECT (et->group), "row_selection",
 				    GTK_SIGNAL_FUNC (group_row_selection), et);
+		gtk_signal_connect (GTK_OBJECT (et->group), "double_click",
+				    GTK_SIGNAL_FUNC (group_double_click), et);
 		e_table_fill_table (et, et->model);
 		
 		gtk_object_set (GTK_OBJECT (et->group),
@@ -289,6 +300,8 @@ e_table_setup_table (ETable *e_table, ETableHeader *full_header, ETableHeader *h
 
 	gtk_signal_connect (GTK_OBJECT (e_table->group), "row_selection",
 			    GTK_SIGNAL_FUNC(group_row_selection), e_table);
+	gtk_signal_connect (GTK_OBJECT (e_table->group), "double_click",
+			    GTK_SIGNAL_FUNC(group_double_click), e_table);
 	
 	e_table->table_model_change_id = gtk_signal_connect (
 		GTK_OBJECT (model), "model_changed",
@@ -695,6 +708,7 @@ e_table_class_init (GtkObjectClass *object_class)
 	object_class->get_arg = et_get_arg;
 	
 	klass->row_selection = NULL;
+	klass->double_click = NULL;
 
 	et_signals [ROW_SELECTION] =
 		gtk_signal_new ("row_selection",
@@ -703,6 +717,14 @@ e_table_class_init (GtkObjectClass *object_class)
 				GTK_SIGNAL_OFFSET (ETableClass, row_selection),
 				gtk_marshal_NONE__INT_INT,
 				GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
+
+	et_signals [DOUBLE_CLICK] =
+		gtk_signal_new ("double_click",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETableClass, double_click),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
 	
 	gtk_object_class_add_signals (object_class, et_signals, LAST_SIGNAL);
 
diff --git a/widgets/e-table/e-table.h b/widgets/e-table/e-table.h
index 053de782e5..25467843f3 100644
--- a/widgets/e-table/e-table.h
+++ b/widgets/e-table/e-table.h
@@ -58,6 +58,7 @@ typedef struct {
 	GtkTableClass parent_class;
 
 	void        (*row_selection)      (ETable *et, int row, gboolean selected);
+	void        (*double_click)       (ETable *et, int row);
 } ETableClass;
 
 GtkType    e_table_get_type   		    (void);
diff --git a/widgets/table/e-table-group-container.c b/widgets/table/e-table-group-container.c
index 6c69d1765d..8b6859af8b 100644
--- a/widgets/table/e-table-group-container.c
+++ b/widgets/table/e-table-group-container.c
@@ -292,6 +292,13 @@ child_row_selection (ETableGroup *etg, int row, gboolean selected,
 }
 
 static void
+child_double_click (ETableGroup *etg, int row,
+		    ETableGroupContainer *etgc)
+{
+	e_table_group_double_click (E_TABLE_GROUP (etgc), row);
+}
+
+static void
 etgc_add (ETableGroup *etg, gint row)
 {
 	ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
@@ -342,6 +349,8 @@ etgc_add (ETableGroup *etg, gint row)
 			      NULL);
 	gtk_signal_connect (GTK_OBJECT (child), "row_selection",
 			    GTK_SIGNAL_FUNC (child_row_selection), etgc);
+	gtk_signal_connect (GTK_OBJECT (child), "double_click",
+			    GTK_SIGNAL_FUNC (child_double_click), etgc);
 	child_node->child = child;
 	child_node->key = e_table_model_duplicate_value (etg->model, etgc->ecol->col_idx, val);
 	child_node->count = 1;
diff --git a/widgets/table/e-table-group-leaf.c b/widgets/table/e-table-group-leaf.c
index 4f7f462ee8..674a70608a 100644
--- a/widgets/table/e-table-group-leaf.c
+++ b/widgets/table/e-table-group-leaf.c
@@ -91,6 +91,13 @@ etgl_row_selection (GtkObject *object, gint row, gboolean selected, ETableGroupL
 }
 
 static void
+etgl_double_click (GtkObject *object, gint row, ETableGroupLeaf *etgl)
+{
+	if (row < E_TABLE_SUBSET(etgl->subset)->n_map)
+		e_table_group_double_click (E_TABLE_GROUP(etgl), E_TABLE_SUBSET(etgl->subset)->map_table[row]);
+}
+
+static void
 etgl_reflow (GnomeCanvasItem *item, gint flags)
 {
 	ETableGroupLeaf *leaf = E_TABLE_GROUP_LEAF(item);
@@ -124,6 +131,8 @@ etgl_realize (GnomeCanvasItem *item)
 	
 	gtk_signal_connect (GTK_OBJECT(etgl->item), "row_selection",
 			    GTK_SIGNAL_FUNC(etgl_row_selection), etgl);
+	gtk_signal_connect (GTK_OBJECT(etgl->item), "double_click",
+			    GTK_SIGNAL_FUNC(etgl_double_click), etgl);
 	e_canvas_item_request_reflow(item);
 }
 
diff --git a/widgets/table/e-table-group.c b/widgets/table/e-table-group.c
index 5adc4f85b1..90893cfee2 100644
--- a/widgets/table/e-table-group.c
+++ b/widgets/table/e-table-group.c
@@ -29,6 +29,7 @@ static GnomeCanvasGroupClass *etg_parent_class;
 
 enum {
 	ROW_SELECTION,
+	DOUBLE_CLICK,
 	LAST_SIGNAL
 };
 
@@ -202,6 +203,17 @@ e_table_group_row_selection (ETableGroup *e_table_group, gint row, gboolean sele
 			 row, selected);
 }
 
+void
+e_table_group_double_click (ETableGroup *e_table_group, gint row)
+{
+	g_return_if_fail (e_table_group != NULL);
+	g_return_if_fail (E_IS_TABLE_GROUP (e_table_group));
+
+	gtk_signal_emit (GTK_OBJECT (e_table_group),
+			 etg_signals [DOUBLE_CLICK],
+			 row);
+}
+
 ETableHeader *
 e_table_group_get_header (ETableGroup *etg)
 {
@@ -251,6 +263,7 @@ etg_class_init (GtkObjectClass *object_class)
 	item_class->event = etg_event;
 
 	klass->row_selection = NULL;
+	klass->double_click = NULL;
 	
 	klass->add = NULL;
 	klass->add_all = NULL;
@@ -271,6 +284,14 @@ etg_class_init (GtkObjectClass *object_class)
 				gtk_marshal_NONE__INT_INT,
 				GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
 
+	etg_signals [DOUBLE_CLICK] =
+		gtk_signal_new ("double_click",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETableGroupClass, double_click),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
+
 	gtk_object_class_add_signals (object_class, etg_signals, LAST_SIGNAL);
 }
 
diff --git a/widgets/table/e-table-group.h b/widgets/table/e-table-group.h
index dd0771745b..8226ad055c 100644
--- a/widgets/table/e-table-group.h
+++ b/widgets/table/e-table-group.h
@@ -41,8 +41,12 @@ typedef struct {
 
 typedef struct {
 	GnomeCanvasGroupClass parent_class;
-	void        (*row_selection)      (ETableGroup *etg, int row, gboolean selected);
 
+	/* Signals */
+	void        (*row_selection)  (ETableGroup *etg, int row, gboolean selected);
+	void        (*double_click)   (ETableGroup *etg, int row);
+
+	/* Virtual functions. */
 	void (*add) (ETableGroup *etg, gint row);
 	void (*add_all) (ETableGroup *etg);
 	gboolean (*remove) (ETableGroup *etg, gint row);
@@ -88,6 +92,8 @@ void             e_table_group_construct (GnomeCanvasGroup *parent,
 void             e_table_group_row_selection (ETableGroup      *etg,
 					      gint              row,
 					      gboolean          selected);
+void             e_table_group_double_click  (ETableGroup      *etg,
+					      gint              row);
 
 GtkType          e_table_group_get_type  (void);
 
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index 05b722f27c..ad645a8c39 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -28,6 +28,7 @@ static GnomeCanvasItemClass *eti_parent_class;
 
 enum {
 	ROW_SELECTION,
+	DOUBLE_CLICK,
 	LAST_SIGNAL
 };
 
@@ -1127,8 +1128,7 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
 
 	switch (e->type){
 	case GDK_BUTTON_PRESS:
-	case GDK_BUTTON_RELEASE:
-	case GDK_2BUTTON_PRESS: {
+	case GDK_BUTTON_RELEASE: {
 		double x1, y1;
 		int col, row;
 
@@ -1164,6 +1164,23 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
 		break;
 	}
 
+	case GDK_2BUTTON_PRESS: {
+		double x1, y1;
+		int col, row;
+
+		if (e->button.button == 5 ||
+		    e->button.button == 4)
+			return FALSE;
+
+		gnome_canvas_item_w2i (item, &e->button.x, &e->button.y);
+
+		if (!find_cell (eti, e->button.x, e->button.y, &col, &row, &x1, &y1))
+			return TRUE;
+
+		gtk_signal_emit (GTK_OBJECT (eti), eti_signals [DOUBLE_CLICK],
+				 GPOINTER_TO_INT (eti->selection->data));
+		break;
+	}
 	case GDK_MOTION_NOTIFY: {
 		int col, row;
 		double x1, y1;
@@ -1317,7 +1334,8 @@ eti_class_init (GtkObjectClass *object_class)
 	item_class->point       = eti_point;
 	item_class->event       = eti_event;
 	
-	eti_class->row_selection = eti_row_selection;
+	eti_class->row_selection    = eti_row_selection;
+	eti_class->double_click = NULL;
 
 	gtk_object_add_arg_type ("ETableItem::ETableHeader", GTK_TYPE_OBJECT,
 				 GTK_ARG_WRITABLE, ARG_TABLE_HEADER);
@@ -1348,7 +1366,15 @@ eti_class_init (GtkObjectClass *object_class)
 				GTK_SIGNAL_OFFSET (ETableItemClass, row_selection),
 				gtk_marshal_NONE__INT_INT,
 				GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
-	
+
+	eti_signals [DOUBLE_CLICK] =
+		gtk_signal_new ("double_click",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETableItemClass, double_click),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
+
 	gtk_object_class_add_signals (object_class, eti_signals, LAST_SIGNAL);
 
 }
diff --git a/widgets/table/e-table-item.h b/widgets/table/e-table-item.h
index 9cdb04c2ff..1e9b6a46d6 100644
--- a/widgets/table/e-table-item.h
+++ b/widgets/table/e-table-item.h
@@ -79,7 +79,8 @@ typedef struct {
 typedef struct {
 	GnomeCanvasItemClass parent_class;
 
-	void        (*row_selection)      (ETableItem *eti, int row, gboolean selected);
+	void        (*row_selection) (ETableItem *eti, int row, gboolean selected);
+	void        (*double_click)  (ETableItem *eti, int row);
 } ETableItemClass;
 
 GtkType    e_table_item_get_type (void);
diff --git a/widgets/table/e-table.c b/widgets/table/e-table.c
index 61f7f97918..f5abd29d5a 100644
--- a/widgets/table/e-table.c
+++ b/widgets/table/e-table.c
@@ -40,6 +40,7 @@ static GtkObjectClass *e_table_parent_class;
 
 enum {
 	ROW_SELECTION,
+	DOUBLE_CLICK,
 	LAST_SIGNAL
 };
 
@@ -188,6 +189,14 @@ group_row_selection (ETableGroup *etg, int row, gboolean selected, ETable *et)
 			 row, selected);
 }
 
+static void
+group_double_click (ETableGroup *etg, int row, ETable *et)
+{
+	gtk_signal_emit (GTK_OBJECT (et),
+			 et_signals [DOUBLE_CLICK],
+			 row);
+}
+
 static gboolean
 changed_idle (gpointer data)
 {
@@ -209,6 +218,8 @@ changed_idle (gpointer data)
 				      NULL);
 		gtk_signal_connect (GTK_OBJECT (et->group), "row_selection",
 				    GTK_SIGNAL_FUNC (group_row_selection), et);
+		gtk_signal_connect (GTK_OBJECT (et->group), "double_click",
+				    GTK_SIGNAL_FUNC (group_double_click), et);
 		e_table_fill_table (et, et->model);
 		
 		gtk_object_set (GTK_OBJECT (et->group),
@@ -289,6 +300,8 @@ e_table_setup_table (ETable *e_table, ETableHeader *full_header, ETableHeader *h
 
 	gtk_signal_connect (GTK_OBJECT (e_table->group), "row_selection",
 			    GTK_SIGNAL_FUNC(group_row_selection), e_table);
+	gtk_signal_connect (GTK_OBJECT (e_table->group), "double_click",
+			    GTK_SIGNAL_FUNC(group_double_click), e_table);
 	
 	e_table->table_model_change_id = gtk_signal_connect (
 		GTK_OBJECT (model), "model_changed",
@@ -695,6 +708,7 @@ e_table_class_init (GtkObjectClass *object_class)
 	object_class->get_arg = et_get_arg;
 	
 	klass->row_selection = NULL;
+	klass->double_click = NULL;
 
 	et_signals [ROW_SELECTION] =
 		gtk_signal_new ("row_selection",
@@ -703,6 +717,14 @@ e_table_class_init (GtkObjectClass *object_class)
 				GTK_SIGNAL_OFFSET (ETableClass, row_selection),
 				gtk_marshal_NONE__INT_INT,
 				GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
+
+	et_signals [DOUBLE_CLICK] =
+		gtk_signal_new ("double_click",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETableClass, double_click),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
 	
 	gtk_object_class_add_signals (object_class, et_signals, LAST_SIGNAL);
 
diff --git a/widgets/table/e-table.h b/widgets/table/e-table.h
index 053de782e5..25467843f3 100644
--- a/widgets/table/e-table.h
+++ b/widgets/table/e-table.h
@@ -58,6 +58,7 @@ typedef struct {
 	GtkTableClass parent_class;
 
 	void        (*row_selection)      (ETable *et, int row, gboolean selected);
+	void        (*double_click)       (ETable *et, int row);
 } ETableClass;
 
 GtkType    e_table_get_type   		    (void);