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authorChristopher James Lahey <clahey@helixcode.com>2000-06-21 08:11:50 +0800
committerChris Lahey <clahey@src.gnome.org>2000-06-21 08:11:50 +0800
commit6d460ba3fe4d476c11423ae7c1639922b6ea1eac (patch)
tree039ffa2f71db29d0028b2384281a7fa78839e885 /e-util/e-canvas.h
parent5d477147b7b0725c28a09a037e101266c2f8ed3f (diff)
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Built a system for doing selections and/or a cursor in canvas.
2000-06-20 Christopher James Lahey <clahey@helixcode.com> * e-canvas.c, e-canvas.h: Built a system for doing selections and/or a cursor in canvas. svn path=/trunk/; revision=3655
Diffstat (limited to 'e-util/e-canvas.h')
-rw-r--r--e-util/e-canvas.h33
1 files changed, 30 insertions, 3 deletions
diff --git a/e-util/e-canvas.h b/e-util/e-canvas.h
index f1ff1195c9..9e572a1179 100644
--- a/e-util/e-canvas.h
+++ b/e-util/e-canvas.h
@@ -41,6 +41,16 @@ extern "C" {
typedef void (*ECanvasItemReflowFunc) (GnomeCanvasItem *item,
gint flags);
+typedef void (*ECanvasItemSelectionFunc) (GnomeCanvasItem *item,
+ gint flags,
+ gpointer user_data);
+/* Returns the same as strcmp does. */
+typedef gint (*ECanvasItemSelectionCompareFunc) (GnomeCanvasItem *item,
+ gpointer data1,
+ gpointer data2,
+ gint flags);
+
+
typedef struct _ECanvas ECanvas;
typedef struct _ECanvasClass ECanvasClass;
@@ -50,11 +60,18 @@ enum {
E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW = 1 << 14
};
+enum {
+ E_CANVAS_ITEM_SELECTION_SELECT = 1 << 0, /* TRUE = select. FALSE = unselect. */
+ E_CANVAS_ITEM_SELECTION_CURSOR = 1 << 1, /* TRUE = has become cursor. FALSE = not cursor. */
+ E_CANVAS_ITEM_SELECTION_DELETE_DATA = 1 << 2,
+};
+
struct _ECanvas
{
- GnomeCanvas parent;
-
- int idle_id;
+ GnomeCanvas parent;
+
+ int idle_id;
+ GList *selection;
};
struct _ECanvasClass
@@ -76,6 +93,16 @@ 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);
+void e_canvas_item_set_selection_callback (GnomeCanvasItem *item, ECanvasItemSelectionFunc func);
+void e_canvas_item_set_selection_compare_callback (GnomeCanvasItem *item, ECanvasItemSelectionCompareFunc func);
+
+void e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id);
+void e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id);
+void e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id);
+
+/* Not implemented yet. */
+void e_canvas_item_set_cursor_end (GnomeCanvasItem *item, gpointer id);
+
#ifdef __cplusplus
}
#endif /* __cplusplus */