Updated to set the width of the header canvas to be equal to the width of

2001-03-29  Christopher James Lahey  <clahey@ximian.com>

	* e-table.c, e-tree.c, e-tree.h: Updated to set the width of the
	header canvas to be equal to the width of the table canvas to
	avoid infinite loops.  Added left arrow and right arrow as tree
	collapse and expand bindings.

svn path=/trunk/; revision=9035

1 files changed, 40 insertions, 15 deletions

diff --git a/widgets/table/e-tree.c b/widgets/table/e-tree.c
index d73c63d144..5263271557 100644
--- a/widgets/table/e-tree.c
+++ b/widgets/table/e-tree.c
@@ -174,7 +174,7 @@ e_tree_init (GtkObject *object)
 	e_tree->drag_source_button_press_event_id = 0;
 	e_tree->drag_source_motion_notify_event_id = 0;
 
-	e_tree->selection = e_table_selection_model_new();
+	e_tree->selection = E_SELECTION_MODEL(e_table_selection_model_new());
 	e_tree->spec = NULL;
 }
 
@@ -206,12 +206,28 @@ et_focus (GtkContainer *container, GtkDirectionType direction)
 }
 
 static void
+set_header_canvas_width (ETree *e_tree)
+{
+	double oldwidth, oldheight, width;
+
+	gnome_canvas_get_scroll_region (GNOME_CANVAS (e_tree->table_canvas),
+					NULL, NULL, &width, NULL);
+	gnome_canvas_get_scroll_region (GNOME_CANVAS (e_tree->header_canvas),
+					NULL, NULL, &oldwidth, &oldheight);
+
+	if (oldwidth != width ||
+	    oldheight != E_TABLE_HEADER_ITEM (e_tree->header_item)->height - 1)
+		gnome_canvas_set_scroll_region (
+						GNOME_CANVAS (e_tree->header_canvas),
+						0, 0, width, /*  COLUMN_HEADER_HEIGHT - 1 */
+						E_TABLE_HEADER_ITEM (e_tree->header_item)->height - 1);
+
+}
+
+static void
 header_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, ETree *e_tree)
 {
-	gnome_canvas_set_scroll_region (
-		GNOME_CANVAS (e_tree->header_canvas),
-		0, 0, alloc->width - 1, /*  COLUMN_HEADER_HEIGHT - 1 */
-		E_TABLE_HEADER_ITEM (e_tree->header_item)->height - 1);
+	set_header_canvas_width (e_tree);
 
 	/* When the header item is created ->height == 0,
 	   as the font is only created when everything is realized.
@@ -259,6 +275,7 @@ tree_canvas_reflow_idle (ETree *e_tree)
 {
 	gdouble height, width;
 	gdouble item_height;
+	gdouble oldheight, oldwidth;
 	GtkAllocation *alloc = &(GTK_WIDGET (e_tree->table_canvas)->allocation);
 
 	gtk_object_get (GTK_OBJECT (e_tree->item),
@@ -269,11 +286,17 @@ tree_canvas_reflow_idle (ETree *e_tree)
 	height = MAX ((int)height, alloc->height);
 	width = MAX((int)width, alloc->width);
 	/* I have no idea why this needs to be -1, but it works. */
-	gnome_canvas_set_scroll_region (
-		GNOME_CANVAS (e_tree->table_canvas),
-		0, 0, width - 1, height - 1);
+	gnome_canvas_get_scroll_region (GNOME_CANVAS (e_tree->table_canvas),
+					NULL, NULL, &oldwidth, &oldheight);
+
+	if (oldwidth != width - 1 ||
+	    oldheight != height - 1) {
+		gnome_canvas_set_scroll_region (GNOME_CANVAS (e_tree->table_canvas),
+						0, 0, width - 1, height - 1);
+		set_header_canvas_width (e_tree);
+	}
 	gtk_object_set (GTK_OBJECT (e_tree->white_item),
-			"y1", item_height + 1,
+			"y1", item_height,
 			"x2", width,
 			"y2", height,
 			NULL);
@@ -415,10 +438,12 @@ item_key_press (ETableItem *eti, int row, int col, GdkEvent *event, ETree *et)
 		return_val = 1;
 		break;
 	case '=':
+	case GDK_Right:
 		path = e_tree_table_adapter_node_at_row(et->etta, row);
 		e_tree_table_adapter_node_set_expanded (et->etta, path, TRUE);
 		break;
 	case '-':
+	case GDK_Left:
 		path = e_tree_table_adapter_node_at_row(et->etta, row);
 		e_tree_table_adapter_node_set_expanded (et->etta, path, FALSE);
 		break;
@@ -747,12 +772,6 @@ et_real_construct (ETree *e_tree, ETreeModel *etm, ETableExtras *ete,
 
 	e_tree->etta = E_TREE_TABLE_ADAPTER(e_tree_table_adapter_new(E_TREE_MODEL(e_tree->sorted)));
 
-	gtk_object_set(GTK_OBJECT(e_tree->selection),
-		       "model", E_TABLE_MODEL(e_tree->etta),
-		       "selection_mode", specification->selection_mode,
-		       "cursor_mode", specification->cursor_mode,
-		       NULL);
-
 	gtk_widget_push_visual (gdk_rgb_get_visual ());
 	gtk_widget_push_colormap (gdk_rgb_get_cmap ());
 
@@ -761,6 +780,12 @@ et_real_construct (ETree *e_tree, ETreeModel *etm, ETableExtras *ete,
 	gtk_object_set (GTK_OBJECT (e_tree->selection),
 			"model", e_tree->etta,
 			"sorter", e_tree->sorter,
+#if 0
+			"ets", e_tree->sorted,
+			"model", e_tree->model,
+#endif
+			"selection_mode", specification->selection_mode,
+			"cursor_mode", specification->cursor_mode,
 			NULL);
 
 	gtk_signal_connect(GTK_OBJECT(e_tree->selection), "selection_changed",