Fix ETable/ETree signal signatures.

To avoid another case like bug #587014, add GSignalAccumulator functions
to all ETable and ETree signals that return a flag to indicate the signal
has been handled.

See commit e9dc381d3ace3404d0eafe94eb6da3b9a843abb8 for an example of
the kind of problems not having a GSignalAccumulator can cause.

Signals changed:

  ETree::click
  ETree::right-click
  ETree::white-space-event
  ETable::click
  ETable::key-press
  ETable::right-click
  ETable::start-drag
  ETable::white-space-event
  ETableItem::click
  ETableItem::right-click
  ETableItem::start-drag
  ETableGroup::click
  ETableGroup::key-press
  ETableGroup::right-click
  ETableGroup::start-drag

10 files changed, 110 insertions, 109 deletions

diff --git a/widgets/table/e-table-group-container.c b/widgets/table/e-table-group-container.c
index 77d766b16e..810823db61 100644
--- a/widgets/table/e-table-group-container.c
+++ b/widgets/table/e-table-group-container.c
@@ -378,28 +378,28 @@ child_double_click (ETableGroup *etg, gint row, gint col, GdkEvent *event,
 	e_table_group_double_click (E_TABLE_GROUP (etgc), row, col, event);
 }
 
-static gint
+static gboolean
 child_right_click (ETableGroup *etg, gint row, gint col, GdkEvent *event,
 		   ETableGroupContainer *etgc)
 {
 	return e_table_group_right_click (E_TABLE_GROUP (etgc), row, col, event);
 }
 
-static gint
+static gboolean
 child_click (ETableGroup *etg, gint row, gint col, GdkEvent *event,
 		   ETableGroupContainer *etgc)
 {
 	return e_table_group_click (E_TABLE_GROUP (etgc), row, col, event);
 }
 
-static gint
+static gboolean
 child_key_press (ETableGroup *etg, gint row, gint col, GdkEvent *event,
 		 ETableGroupContainer *etgc)
 {
 	return e_table_group_key_press (E_TABLE_GROUP (etgc), row, col, event);
 }
 
-static gint
+static gboolean
 child_start_drag (ETableGroup *etg, gint row, gint col, GdkEvent *event,
 		 ETableGroupContainer *etgc)
 {
diff --git a/widgets/table/e-table-group-leaf.c b/widgets/table/e-table-group-leaf.c
index 61d357aaf2..1748d3e509 100644
--- a/widgets/table/e-table-group-leaf.c
+++ b/widgets/table/e-table-group-leaf.c
@@ -186,7 +186,7 @@ etgl_double_click (GtkObject *object, gint model_row, gint model_col, GdkEvent *
 	e_table_group_double_click (E_TABLE_GROUP(etgl), model_row, model_col, event);
 }
 
-static gint
+static gboolean
 etgl_key_press (GtkObject *object, gint row, gint col, GdkEvent *event, ETableGroupLeaf *etgl)
 {
 	if (row < E_TABLE_SUBSET(etgl->ets)->n_map && row >= 0)
@@ -195,17 +195,17 @@ etgl_key_press (GtkObject *object, gint row, gint col, GdkEvent *event, ETableGr
 						col,
 						event);
 	else
-		return 0;
+		return FALSE;
 }
 
-static gint
+static gboolean
 etgl_start_drag (GtkObject *object, gint model_row, gint model_col, GdkEvent *event,
 		 ETableGroupLeaf *etgl)
 {
 	return e_table_group_start_drag (E_TABLE_GROUP(etgl), model_row, model_col, event);
 }
 
-static gint
+static gboolean
 etgl_right_click (GtkObject *object, gint view_row, gint model_col, GdkEvent *event,
 		  ETableGroupLeaf *etgl)
 {
@@ -215,10 +215,10 @@ etgl_right_click (GtkObject *object, gint view_row, gint model_col, GdkEvent *ev
 						  model_col,
 						  event);
 	else
-		return 0;
+		return FALSE;
 }
 
-static gint
+static gboolean
 etgl_click (GtkObject *object, gint row, gint col, GdkEvent *event, ETableGroupLeaf *etgl)
 {
 	if (row < E_TABLE_SUBSET(etgl->ets)->n_map)
@@ -227,7 +227,7 @@ etgl_click (GtkObject *object, gint row, gint col, GdkEvent *event, ETableGroupL
 					    col,
 					    event);
 	else
-		return 0;
+		return FALSE;
 }
 
 static void
diff --git a/widgets/table/e-table-group.c b/widgets/table/e-table-group.c
index aae71bcc06..4189ae6015 100644
--- a/widgets/table/e-table-group.c
+++ b/widgets/table/e-table-group.c
@@ -495,16 +495,16 @@ e_table_group_double_click (ETableGroup *e_table_group,
  *
  * This routine emits the "right_click" signal.
  */
-gint
+gboolean
 e_table_group_right_click (ETableGroup *e_table_group,
                            gint row,
                            gint col,
                            GdkEvent *event)
 {
-	gint return_val = 0;
+	gboolean return_val = FALSE;
 
-	g_return_val_if_fail (e_table_group != NULL, 0);
-	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), 0);
+	g_return_val_if_fail (e_table_group != NULL, FALSE);
+	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), FALSE);
 
 	g_signal_emit (e_table_group,
 		       etg_signals [RIGHT_CLICK], 0,
@@ -522,16 +522,16 @@ e_table_group_right_click (ETableGroup *e_table_group,
  *
  * This routine emits the "click" signal.
  */
-gint
+gboolean
 e_table_group_click (ETableGroup *e_table_group,
                      gint row,
                      gint col,
                      GdkEvent *event)
 {
-	gint return_val = 0;
+	gboolean return_val = FALSE;
 
-	g_return_val_if_fail (e_table_group != NULL, 0);
-	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), 0);
+	g_return_val_if_fail (e_table_group != NULL, FALSE);
+	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), FALSE);
 
 	g_signal_emit (e_table_group,
 		       etg_signals [CLICK], 0,
@@ -549,16 +549,16 @@ e_table_group_click (ETableGroup *e_table_group,
  *
  * This routine emits the "key_press" signal.
  */
-gint
+gboolean
 e_table_group_key_press (ETableGroup *e_table_group,
                          gint row,
                          gint col,
                          GdkEvent *event)
 {
-	gint return_val = 0;
+	gboolean return_val = FALSE;
 
-	g_return_val_if_fail (e_table_group != NULL, 0);
-	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), 0);
+	g_return_val_if_fail (e_table_group != NULL, FALSE);
+	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), FALSE);
 
 	g_signal_emit (e_table_group,
 		       etg_signals [KEY_PRESS], 0,
@@ -576,16 +576,16 @@ e_table_group_key_press (ETableGroup *e_table_group,
  *
  * This routine emits the "start_drag" signal.
  */
-gint
+gboolean
 e_table_group_start_drag (ETableGroup *e_table_group,
                           gint row,
                           gint col,
                           GdkEvent *event)
 {
-	gint return_val = 0;
+	gboolean return_val = FALSE;
 
-	g_return_val_if_fail (e_table_group != NULL, 0);
-	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), 0);
+	g_return_val_if_fail (e_table_group != NULL, FALSE);
+	g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), FALSE);
 
 	g_signal_emit (e_table_group,
 		       etg_signals [START_DRAG], 0,
@@ -706,18 +706,19 @@ etg_class_init (ETableGroupClass *klass)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableGroupClass, right_click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT, G_TYPE_INT, GDK_TYPE_EVENT);
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
+			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	etg_signals [CLICK] =
 		g_signal_new ("click",
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableGroupClass, click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	etg_signals [KEY_PRESS] =
@@ -725,9 +726,9 @@ etg_class_init (ETableGroupClass *klass)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableGroupClass, key_press),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	etg_signals [START_DRAG] =
@@ -735,9 +736,9 @@ etg_class_init (ETableGroupClass *klass)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableGroupClass, start_drag),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 }
 
diff --git a/widgets/table/e-table-group.h b/widgets/table/e-table-group.h
index 7bf139e666..7ac1a243e8 100644
--- a/widgets/table/e-table-group.h
+++ b/widgets/table/e-table-group.h
@@ -72,9 +72,9 @@ typedef struct {
 	void        (*cursor_change)         (ETableGroup *etg, gint row);
 	void        (*cursor_activated)      (ETableGroup *etg, gint row);
 	void        (*double_click)          (ETableGroup *etg, gint row, gint col, GdkEvent *event);
-	gint        (*right_click)           (ETableGroup *etg, gint row, gint col, GdkEvent *event);
-	gint        (*click)                 (ETableGroup *etg, gint row, gint col, GdkEvent *event);
-	gint        (*key_press)             (ETableGroup *etg, gint row, gint col, GdkEvent *event);
+	gboolean    (*right_click)           (ETableGroup *etg, gint row, gint col, GdkEvent *event);
+	gboolean    (*click)                 (ETableGroup *etg, gint row, gint col, GdkEvent *event);
+	gboolean    (*key_press)             (ETableGroup *etg, gint row, gint col, GdkEvent *event);
 	gint        (*start_drag)            (ETableGroup *etg, gint row, gint col, GdkEvent *event);
 
 	/* Virtual functions. */
@@ -154,15 +154,15 @@ void          e_table_group_double_click      (ETableGroup       *etg,
 					       gint               row,
 					       gint               col,
 					       GdkEvent          *event);
-gint          e_table_group_right_click       (ETableGroup       *etg,
+gboolean      e_table_group_right_click       (ETableGroup       *etg,
 					       gint               row,
 					       gint               col,
 					       GdkEvent          *event);
-gint          e_table_group_click             (ETableGroup       *etg,
+gboolean      e_table_group_click             (ETableGroup       *etg,
 					       gint               row,
 					       gint               col,
 					       GdkEvent          *event);
-gint          e_table_group_key_press         (ETableGroup       *etg,
+gboolean      e_table_group_key_press         (ETableGroup       *etg,
 					       gint               row,
 					       gint               col,
 					       GdkEvent          *event);
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index 8fa9e2ad4e..06e847f40e 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -2154,7 +2154,7 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
 {
 	ETableItem *eti = E_TABLE_ITEM (item);
 	ECellView *ecell_view;
-	gint return_val = TRUE;
+	gboolean return_val = TRUE;
 #if d(!)0
 	gboolean leave = FALSE;
 #endif
@@ -2430,7 +2430,7 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
 		if (eti->maybe_in_drag) {
 			if (abs (e->motion.x - eti->drag_x) >= 3 ||
 			    abs (e->motion.y - eti->drag_y) >= 3) {
-				gint drag_handled;
+				gboolean drag_handled;
 
 				eti->maybe_in_drag = 0;
 				g_signal_emit (eti, eti_signals [START_DRAG], 0,
@@ -2934,9 +2934,9 @@ eti_class_init (ETableItemClass *klass)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableItemClass, start_drag),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	eti_signals [RIGHT_CLICK] =
@@ -2944,9 +2944,9 @@ eti_class_init (ETableItemClass *klass)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableItemClass, right_click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	eti_signals [CLICK] =
@@ -2954,9 +2954,9 @@ eti_class_init (ETableItemClass *klass)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableItemClass, click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	eti_signals [KEY_PRESS] =
diff --git a/widgets/table/e-table-item.h b/widgets/table/e-table-item.h
index 15415ff88d..e99fa29194 100644
--- a/widgets/table/e-table-item.h
+++ b/widgets/table/e-table-item.h
@@ -166,10 +166,10 @@ typedef struct {
 	void        (*cursor_change)    (ETableItem *eti, gint row);
 	void        (*cursor_activated) (ETableItem *eti, gint row);
 	void        (*double_click)     (ETableItem *eti, gint row, gint col, GdkEvent *event);
-	gint        (*right_click)      (ETableItem *eti, gint row, gint col, GdkEvent *event);
-	gint        (*click)            (ETableItem *eti, gint row, gint col, GdkEvent *event);
+	gboolean    (*right_click)      (ETableItem *eti, gint row, gint col, GdkEvent *event);
+	gboolean    (*click)            (ETableItem *eti, gint row, gint col, GdkEvent *event);
 	gboolean    (*key_press)        (ETableItem *eti, gint row, gint col, GdkEvent *event);
-	gint        (*start_drag)       (ETableItem *eti, gint row, gint col, GdkEvent *event);
+	gboolean    (*start_drag)       (ETableItem *eti, gint row, gint col, GdkEvent *event);
 	void        (*style_set)        (ETableItem *eti, GtkStyle *previous_style);
 	void        (*selection_model_removed)    (ETableItem *eti, ESelectionModel *selection);
 	void        (*selection_model_added)    (ETableItem *eti, ESelectionModel *selection);
diff --git a/widgets/table/e-table.c b/widgets/table/e-table.c
index 8d2f195fa6..fe8b48e88b 100644
--- a/widgets/table/e-table.c
+++ b/widgets/table/e-table.c
@@ -780,26 +780,26 @@ group_double_click (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETabl
 	g_signal_emit (G_OBJECT (et), et_signals [DOUBLE_CLICK], 0, row, col, event);
 }
 
-static gint
+static gboolean
 group_right_click (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETable *et)
 {
-	gint return_val = 0;
+	gboolean return_val = FALSE;
 	g_signal_emit (G_OBJECT (et), et_signals [RIGHT_CLICK], 0, row, col, event, &return_val);
 	return return_val;
 }
 
-static gint
+static gboolean
 group_click (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETable *et)
 {
-	gint return_val = 0;
+	gboolean return_val = 0;
 	g_signal_emit (G_OBJECT (et), et_signals [CLICK], 0, row, col, event, &return_val);
 	return return_val;
 }
 
-static gint
+static gboolean
 group_key_press (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETable *et)
 {
-	gint return_val = 0;
+	gboolean return_val = FALSE;
 	GdkEventKey *key = (GdkEventKey *) event;
 	gint y, row_local, col_local;
 	GtkAdjustment *vadj;
@@ -854,10 +854,10 @@ group_key_press (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETable *
 	return return_val;
 }
 
-static gint
+static gboolean
 group_start_drag (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETable *et)
 {
-	gint return_val = 0;
+	gboolean return_val = TRUE;
 	g_signal_emit (G_OBJECT (et), et_signals [START_DRAG], 0,
 		       row, col, event, &return_val);
 	return return_val;
@@ -1034,10 +1034,10 @@ et_canvas_realize (GtkWidget *canvas, ETable *e_table)
 	set_header_width (e_table);
 }
 
-static gint
+static gboolean
 white_item_event (GnomeCanvasItem *white_item, GdkEvent *event, ETable *e_table)
 {
-	gint return_val = 0;
+	gboolean return_val = 0;
 	g_signal_emit (GTK_OBJECT (e_table), et_signals [WHITE_SPACE_EVENT], 0,
 		       event, &return_val);
 	return return_val;
@@ -3157,9 +3157,9 @@ e_table_class_init (ETableClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableClass, right_click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	et_signals [CLICK] =
@@ -3167,9 +3167,9 @@ e_table_class_init (ETableClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableClass, click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	et_signals [KEY_PRESS] =
@@ -3177,9 +3177,9 @@ e_table_class_init (ETableClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableClass, key_press),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	et_signals [START_DRAG] =
@@ -3187,9 +3187,9 @@ e_table_class_init (ETableClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableClass, start_drag),
-			      NULL, NULL,
-			      e_marshal_INT__INT_INT_BOXED,
-			      G_TYPE_INT, 3, G_TYPE_INT,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_INT_BOXED,
+			      G_TYPE_BOOLEAN, 3, G_TYPE_INT,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	et_signals [STATE_CHANGE] =
@@ -3206,9 +3206,9 @@ e_table_class_init (ETableClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETableClass, white_space_event),
-			      NULL, NULL,
-			      e_marshal_INT__BOXED,
-			      G_TYPE_INT, 1, GDK_TYPE_EVENT);
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__BOXED,
+			      G_TYPE_BOOLEAN, 1, GDK_TYPE_EVENT);
 
 	et_signals[TABLE_DRAG_BEGIN] =
 		g_signal_new ("table_drag_begin",
diff --git a/widgets/table/e-table.h b/widgets/table/e-table.h
index e1537babc9..1c20b2d12b 100644
--- a/widgets/table/e-table.h
+++ b/widgets/table/e-table.h
@@ -163,12 +163,12 @@ typedef struct {
 	void        (*cursor_activated)   (ETable *et, gint row);
 	void        (*selection_change)   (ETable *et);
 	void        (*double_click)       (ETable *et, gint row, gint col, GdkEvent *event);
-	gint        (*right_click)        (ETable *et, gint row, gint col, GdkEvent *event);
-	gint        (*click)              (ETable *et, gint row, gint col, GdkEvent *event);
-	gint        (*key_press)          (ETable *et, gint row, gint col, GdkEvent *event);
-	gint        (*start_drag)         (ETable *et, gint row, gint col, GdkEvent *event);
+	gboolean    (*right_click)        (ETable *et, gint row, gint col, GdkEvent *event);
+	gboolean    (*click)              (ETable *et, gint row, gint col, GdkEvent *event);
+	gboolean    (*key_press)          (ETable *et, gint row, gint col, GdkEvent *event);
+	gboolean    (*start_drag)         (ETable *et, gint row, gint col, GdkEvent *event);
 	void        (*state_change)       (ETable *et);
-	gint        (*white_space_event)  (ETable *et, GdkEvent *event);
+	gboolean    (*white_space_event)  (ETable *et, GdkEvent *event);
 
 	void  (*set_scroll_adjustments)   (ETable	 *table,
 					   GtkAdjustment *hadjustment,
diff --git a/widgets/table/e-tree.c b/widgets/table/e-tree.c
index ddfb85abe8..783d17491a 100644
--- a/widgets/table/e-tree.c
+++ b/widgets/table/e-tree.c
@@ -852,10 +852,10 @@ item_double_click (ETableItem *eti, gint row, gint col, GdkEvent *event, ETree *
 		       row, path, col, event);
 }
 
-static gint
+static gboolean
 item_right_click (ETableItem *eti, gint row, gint col, GdkEvent *event, ETree *et)
 {
-	gint return_val = 0;
+	gboolean return_val = 0;
 	ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row);
 	g_signal_emit (et,
 		       et_signals [RIGHT_CLICK], 0,
@@ -863,10 +863,10 @@ item_right_click (ETableItem *eti, gint row, gint col, GdkEvent *event, ETree *e
 	return return_val;
 }
 
-static gint
+static gboolean
 item_click (ETableItem *eti, gint row, gint col, GdkEvent *event, ETree *et)
 {
-	gint return_val = 0;
+	gboolean return_val = 0;
 	ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row);
 	g_signal_emit (et,
 		       et_signals [CLICK], 0,
@@ -1035,10 +1035,10 @@ et_canvas_style_set (GtkWidget *widget, GtkStyle *prev_style)
 		NULL);
 }
 
-static gint
+static gboolean
 white_item_event (GnomeCanvasItem *white_item, GdkEvent *event, ETree *e_tree)
 {
-	gint return_val = 0;
+	gboolean return_val = 0;
 	g_signal_emit (e_tree,
 		       et_signals [WHITE_SPACE_EVENT], 0,
 		       event, &return_val);
@@ -3181,9 +3181,9 @@ e_tree_class_init (ETreeClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETreeClass, right_click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_POINTER_INT_BOXED,
-			      G_TYPE_INT, 4, G_TYPE_INT, G_TYPE_POINTER,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_POINTER_INT_BOXED,
+			      G_TYPE_BOOLEAN, 4, G_TYPE_INT, G_TYPE_POINTER,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	et_signals [CLICK] =
@@ -3191,9 +3191,9 @@ e_tree_class_init (ETreeClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETreeClass, click),
-			      NULL, NULL,
-			      e_marshal_INT__INT_POINTER_INT_BOXED,
-			      G_TYPE_INT, 4, G_TYPE_INT, G_TYPE_POINTER,
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__INT_POINTER_INT_BOXED,
+			      G_TYPE_BOOLEAN, 4, G_TYPE_INT, G_TYPE_POINTER,
 			      G_TYPE_INT, GDK_TYPE_EVENT);
 
 	et_signals [KEY_PRESS] =
@@ -3230,9 +3230,9 @@ e_tree_class_init (ETreeClass *class)
 			      G_OBJECT_CLASS_TYPE (object_class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (ETreeClass, white_space_event),
-			      NULL, NULL,
-			      e_marshal_INT__POINTER,
-			      G_TYPE_INT, 1, GDK_TYPE_EVENT);
+			      g_signal_accumulator_true_handled, NULL,
+			      e_marshal_BOOLEAN__POINTER,
+			      G_TYPE_BOOLEAN, 1, GDK_TYPE_EVENT);
 
 	et_signals[TREE_DRAG_BEGIN] =
 		g_signal_new ("tree_drag_begin",
diff --git a/widgets/table/e-tree.h b/widgets/table/e-tree.h
index fa2ab787ce..968f6bef38 100644
--- a/widgets/table/e-tree.h
+++ b/widgets/table/e-tree.h
@@ -64,12 +64,12 @@ typedef struct {
 	void        (*cursor_activated)   (ETree *et, gint row, ETreePath path);
 	void        (*selection_change)   (ETree *et);
 	void        (*double_click)       (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
-	gint        (*right_click)        (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
-	gint        (*click)              (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
+	gboolean    (*right_click)        (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
+	gboolean    (*click)              (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
 	gboolean    (*key_press)          (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
-	gint        (*start_drag)         (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
-	gint        (*state_change)       (ETree *et);
-	gint        (*white_space_event)  (ETree *et, GdkEvent *event);
+	gboolean    (*start_drag)         (ETree *et, gint row, ETreePath path, gint col, GdkEvent *event);
+	void        (*state_change)       (ETree *et);
+	gboolean    (*white_space_event)  (ETree *et, GdkEvent *event);
 
 	void  (*set_scroll_adjustments)   (ETree	 *tree,
 					   GtkAdjustment *hadjustment,