Designed a new system for doing hierarchical displays in the canvas. Adds

2000-03-10  Christopher James Lahey  <clahey@helixcode.com>

        * e-util/e-canvas.c, e-util/e-canvas.h: Designed a new system for
        doing hierarchical displays in the canvas.  Adds an extra idle
        loop to the canvas system.

        * widgets/e-minicard/e-minicard.c,
        widgets/e-minicard/e-minicard-label.c,
        widgets/e-minicard/e-minicard-label.h,
        widgets/e-minicard/e-reflow.c, widgets/e-minicard/test-reflow.c,
        widgets/e-text/e-text.c, widgets/e-text/e-text.h: Adapted to use
        the new e-canvas reflow system.

svn path=/trunk/; revision=2096

1 files changed, 8 insertions, 1 deletions

diff --git a/e-util/e-canvas.h b/e-util/e-canvas.h
index 0ece5ae3b4..e70957b6d7 100644
--- a/e-util/e-canvas.h
+++ b/e-util/e-canvas.h
@@ -38,6 +38,8 @@ extern "C" {
 #define E_IS_CANVAS(obj)		(GTK_CHECK_TYPE ((obj), E_CANVAS_TYPE))
 #define E_IS_CANVAS_CLASS(klass)	(GTK_CHECK_CLASS_TYPE ((obj), E_CANVAS_TYPE))
 
+typedef void		(*ECanvasItemReflowFunc)		(GnomeCanvasItem *item,
+								 gint   	  flags);
 
 typedef struct _ECanvas       ECanvas;
 typedef struct _ECanvasClass  ECanvasClass;
@@ -46,12 +48,13 @@ struct _ECanvas
 {
 	GnomeCanvas parent;
 	
-	/* item specific fields */
+	int         idle_id;	
 };
 
 struct _ECanvasClass
 {
 	GnomeCanvasClass parent_class;
+	void (* reflow) (ECanvas *canvas);
 };
 
 
@@ -63,6 +66,10 @@ GtkWidget *e_canvas_new      (void);
  */
 void e_canvas_item_grab_focus (GnomeCanvasItem *item);
 
+void e_canvas_item_request_reflow (GnomeCanvasItem *item);
+void e_canvas_item_request_parent_reflow (GnomeCanvasItem *item);
+void e_canvas_item_set_reflow_callback (GnomeCanvasItem *item, ECanvasItemReflowFunc func);
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */