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gtk2/gtk/gtkctree.h
John Ellis db85d915e7 New function to set a callback to test if a node in drag can be dropped 
Sat Aug 15 03:19:30 1998  John Ellis  <johne@bellatlantic.net>

        * gtk/gtkctree.[ch] (gtk_ctree_set_drag_compare_func): New function
        to set a callback to test if a node in drag can be dropped onto
        it's currrent location.
        * gtk/gtkctree.c (set_mouse_cursor),(check_cursor): New functions
        to change the pointer when a drag destination is not allowed.
1998-08-15 07:30:01 +00:00

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald
* Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
*
* GtkCTree widget for GTK+
* Copyright (C) 1998 Lars Hamann and Stefan Jeske
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GTK_CTREE_H__
#define __GTK_CTREE_H__
#include <gtk/gtkclist.h>
#ifdef __cplusplus
extern "C"
{
#pragma }
#endif /* __cplusplus */
#define GTK_TYPE_CTREE (gtk_ctree_get_type ())
#define GTK_CTREE(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_CTREE, GtkCTree))
#define GTK_CTREE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_CTREE, GtkCTreeClass))
#define GTK_IS_CTREE(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_CTREE))
#define GTK_IS_CTREE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CTREE))
#define GTK_CTREE_ROW(_node_) ((GtkCTreeRow *)(((GList *)(_node_))->data))
#define GTK_CTREE_NODE(_node_) ((GtkCTreeNode *)((_node_)))
#define GTK_CTREE_NODE_NEXT(_nnode_) ((GtkCTreeNode *)(((GList *)(_nnode_))->next))
#define GTK_CTREE_NODE_PREV(_pnode_) ((GtkCTreeNode *)(((GList *)(_pnode_))->prev))
#define GTK_CTREE_TREE(_ctree_, _glist_) \
((GtkCellTree *) &(((GtkCTreeRow *)((_glist_)->data))->cell[(_ctree_)->tree_col]))
#define GTK_CTREE_FUNC(_func_) ((GtkCTreeFunc)(_func_))
typedef enum
{
GTK_CTREE_POS_BEFORE,
GTK_CTREE_POS_AS_CHILD,
GTK_CTREE_POS_AFTER
} GtkCTreePos;
typedef enum
{
GTK_CTREE_LINES_SOLID,
GTK_CTREE_LINES_DOTTED,
GTK_CTREE_LINES_TABBED,
GTK_CTREE_LINES_NONE
} GtkCTreeLineStyle;
typedef enum
{
GTK_CTREE_EXPANSION_EXPAND,
GTK_CTREE_EXPANSION_EXPAND_RECURSIVE,
GTK_CTREE_EXPANSION_COLLAPSE,
GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE,
GTK_CTREE_EXPANSION_TOGGLE,
GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE
} GtkCTreeExpansionType;
typedef struct _GtkCTree GtkCTree;
typedef struct _GtkCTreeClass GtkCTreeClass;
typedef struct _GtkCTreeRow GtkCTreeRow;
typedef struct _GtkCTreeNode GtkCTreeNode;
typedef void (*GtkCTreeFunc) (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
typedef gboolean (*GtkCTreeGNodeFunc) (GtkCTree *ctree,
guint depth,
GNode *gnode,
GtkCTreeNode *cnode,
gpointer data);
typedef gboolean (*GtkCTreeCompareDragFunc) (GtkCTree *ctree,
GtkCTreeNode *source_node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling);
struct _GtkCTree
{
GtkCList clist;
GdkGC *xor_gc;
GdkGC *lines_gc;
GdkWindow *drag_icon;
gint icon_width;
gint icon_height;
gint tree_indent;
gint tree_column;
gint drag_row;
GtkCTreeNode *drag_source;
GtkCTreeNode *drag_target;
gint insert_pos;
guint reorderable : 1;
guint use_icons : 1;
guint in_drag : 1;
guint drag_rect : 1;
guint line_style : 2;
GtkCTreeCompareDragFunc drag_compare;
};
struct _GtkCTreeClass
{
GtkCListClass parent_class;
void (*tree_select_row) (GtkCTree *ctree,
GtkCTreeNode *row,
gint column);
void (*tree_unselect_row) (GtkCTree *ctree,
GtkCTreeNode *row,
gint column);
void (*tree_expand) (GtkCTree *ctree,
GtkCTreeNode *node);
void (*tree_collapse) (GtkCTree *ctree,
GtkCTreeNode *node);
void (*tree_move) (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling);
void (*change_focus_row_expansion) (GtkCTree *ctree,
GtkCTreeExpansionType action);
};
struct _GtkCTreeRow
{
GtkCListRow row;
GtkCTreeNode *parent;
GtkCTreeNode *sibling;
GtkCTreeNode *children;
GdkPixmap *pixmap_closed;
GdkBitmap *mask_closed;
GdkPixmap *pixmap_opened;
GdkBitmap *mask_opened;
guint16 level;
guint is_leaf : 1;
guint expanded : 1;
};
struct _GtkCTreeNode {
GList list;
};
/***********************************************************
* Creation, insertion, deletion *
***********************************************************/
GtkType gtk_ctree_get_type (void);
void gtk_ctree_construct (GtkCTree *ctree,
gint columns,
gint tree_column,
gchar *titles[]);
GtkWidget * gtk_ctree_new_with_titles (gint columns,
gint tree_column,
gchar *titles[]);
GtkWidget * gtk_ctree_new (gint columns,
gint tree_column);
GtkCTreeNode * gtk_ctree_insert (GtkCTree *ctree,
GtkCTreeNode *parent,
GtkCTreeNode *sibling,
gchar *text[],
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded);
GtkCTreeNode * gtk_ctree_insert_gnode (GtkCTree *ctree,
GtkCTreeNode *parent,
GtkCTreeNode *sibling,
GNode *gnode,
GtkCTreeGNodeFunc func,
gpointer data);
void gtk_ctree_remove (GtkCTree *ctree,
GtkCTreeNode *node);
/***********************************************************
* Generic recursive functions, querying / finding tree *
* information *
***********************************************************/
void gtk_ctree_post_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeFunc func,
gpointer data);
void gtk_ctree_post_recursive_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth,
GtkCTreeFunc func,
gpointer data);
void gtk_ctree_pre_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeFunc func,
gpointer data);
void gtk_ctree_pre_recursive_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth,
GtkCTreeFunc func,
gpointer data);
gboolean gtk_ctree_is_visible (GtkCTree *ctree,
GtkCTreeNode *node);
GtkCTreeNode * gtk_ctree_last (GtkCTree *ctree,
GtkCTreeNode *node);
GtkCTreeNode * gtk_ctree_find_glist_ptr (GtkCTree *ctree,
GtkCTreeRow *ctree_row);
gboolean gtk_ctree_find (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *child);
gboolean gtk_ctree_is_ancestor (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *child);
GtkCTreeNode * gtk_ctree_find_by_row_data (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
GtkCTreeNode * gtk_ctree_find_by_row_data_custom (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data,
GCompareFunc func);
gboolean gtk_ctree_is_hot_spot (GtkCTree *ctree,
gint x,
gint y);
/***********************************************************
* Tree signals : move, expand, collapse, (un)select *
***********************************************************/
void gtk_ctree_move (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling);
void gtk_ctree_expand (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_expand_recursive (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_expand_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth);
void gtk_ctree_collapse (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_collapse_recursive (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_collapse_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth);
void gtk_ctree_toggle_expansion (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_toggle_expansion_recursive (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_select (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_select_recursive (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_unselect (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_unselect_recursive (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_real_select_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
gint state);
/***********************************************************
* Analogons of GtkCList functions *
***********************************************************/
void gtk_ctree_set_text (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gchar *text);
void gtk_ctree_set_pixmap (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
GdkPixmap *pixmap,
GdkBitmap *mask);
void gtk_ctree_set_pixtext (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask);
void gtk_ctree_set_node_info (GtkCTree *ctree,
GtkCTreeNode *node,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded);
void gtk_ctree_set_shift (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gint vertical,
gint horizontal);
GtkCellType gtk_ctree_get_cell_type (GtkCTree *ctree,
GtkCTreeNode *node,
gint column);
gint gtk_ctree_get_text (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gchar **text);
gint gtk_ctree_get_pixmap (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
GdkPixmap **pixmap,
GdkBitmap **mask);
gint gtk_ctree_get_pixtext (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gchar **text,
guint8 *spacing,
GdkPixmap **pixmap,
GdkBitmap **mask);
gint gtk_ctree_get_node_info (GtkCTree *ctree,
GtkCTreeNode *node,
gchar **text,
guint8 *spacing,
GdkPixmap **pixmap_closed,
GdkBitmap **mask_closed,
GdkPixmap **pixmap_opened,
GdkBitmap **mask_opened,
gboolean *is_leaf,
gboolean *expanded);
void gtk_ctree_set_foreground (GtkCTree *ctree,
GtkCTreeNode *node,
GdkColor *color);
void gtk_ctree_set_background (GtkCTree *ctree,
GtkCTreeNode *node,
GdkColor *color);
void gtk_ctree_set_row_data (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
void gtk_ctree_set_row_data_full (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data,
GtkDestroyNotify destroy);
gpointer gtk_ctree_get_row_data (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_moveto (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gfloat row_align,
gfloat col_align);
/***********************************************************
* GtkCTree specific functions *
***********************************************************/
void gtk_ctree_set_indent (GtkCTree *ctree,
gint indent);
void gtk_ctree_set_reorderable (GtkCTree *ctree,
gboolean reorderable);
void gtk_ctree_set_use_drag_icons (GtkCTree *ctree,
gboolean use_icons);
void gtk_ctree_set_line_style (GtkCTree *ctree,
GtkCTreeLineStyle line_style);
void gtk_ctree_set_drag_compare_func (GtkCTree *ctree,
GtkCTreeCompareDragFunc cmp_func);
/***********************************************************
* Tree sorting functions *
***********************************************************/
void gtk_ctree_sort (GtkCTree *ctree,
GtkCTreeNode *node);
void gtk_ctree_sort_recursive (GtkCTree *ctree,
GtkCTreeNode *node);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_CTREE_H__ */
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