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add GtkTreeRowReference which holds a handle to a specific row (particular

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2001-01-26  Havoc Pennington  <hp@redhat.com>

	* gtk/gtktreemodel.c, gtk/gtktreemodel.h: add GtkTreeRowReference
	which holds a handle to a specific row (particular set of values
	in the model, i.e. pointer-identity row).

	* gtk/gtktreeview.c, gtk/gtktreeprivate.h, gtk/gtktreeselection.c:
	use GtkTreeRowReference for anchor, cursor, and drag_dest_row.
	Still need to use it for the src/dest row saved on the drag context.
This commit is contained in:
Havoc Pennington
2001-01-27 00:50:38 +00:00
committed by Havoc Pennington
parent ef4356b567
commit d8d019a1e9
12 changed files with 674 additions and 141 deletions
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19
gtk/gtktreemodel.h
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@ -32,10 +32,11 @@ extern "C" {
#define GTK_TREE_MODEL_GET_IFACE(obj) ((GtkTreeModelIface *)g_type_interface_peek (((GTypeInstance *)GTK_TREE_MODEL (obj))->g_class, GTK_TYPE_TREE_MODEL))
typedef struct _GtkTreeIter GtkTreeIter;
typedef struct _GtkTreePath GtkTreePath;
typedef struct _GtkTreeModel GtkTreeModel; /* Dummy typedef */
typedef struct _GtkTreeModelIface GtkTreeModelIface;
typedef struct _GtkTreeIter GtkTreeIter;
typedef struct _GtkTreePath GtkTreePath;
typedef struct _GtkTreeRowReference GtkTreeRowReference;
typedef struct _GtkTreeModel GtkTreeModel; /* Dummy typedef */
typedef struct _GtkTreeModelIface GtkTreeModelIface;
typedef enum
@ -133,6 +134,16 @@ gboolean gtk_tree_path_prev (GtkTreePath *path);
gboolean gtk_tree_path_up (GtkTreePath *path);
void gtk_tree_path_down (GtkTreePath *path);
/* Row reference (an object that tracks model changes so it refers to the
* same row always; a path refers to a position, not a fixed row)
*/
GtkTreeRowReference *gtk_tree_row_reference_new (GtkTreeModel *model,
GtkTreePath *path);
/* returns NULL if the row was deleted or the model was destroyed. */
GtkTreePath *gtk_tree_row_reference_get_path (GtkTreeRowReference *reference);
void gtk_tree_row_reference_free (GtkTreeRowReference *reference);
/* GtkTreeIter operations */
GtkTreeIter *gtk_tree_iter_copy (GtkTreeIter *iter);