1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-tree-model.h
* Copyright 2000, 2001, Ximian, Inc.
*
* Authors:
* Chris Lahey <clahey@ximian.com>
* Chris Toshok <toshok@ximian.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* 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 _E_TREE_MODEL_H_
#define _E_TREE_MODEL_H_
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gtk/gtkobject.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define E_TREE_MODEL_TYPE (e_tree_model_get_type ())
#define E_TREE_MODEL(o) (GTK_CHECK_CAST ((o), E_TREE_MODEL_TYPE, ETreeModel))
#define E_TREE_MODEL_CLASS(k) (GTK_CHECK_CLASS_CAST((k), E_TREE_MODEL_TYPE, ETreeModelClass))
#define E_IS_TREE_MODEL(o) (GTK_CHECK_TYPE ((o), E_TREE_MODEL_TYPE))
#define E_IS_TREE_MODEL_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TREE_MODEL_TYPE))
typedef void * ETreePath;
typedef struct ETreeModel ETreeModel;
typedef struct ETreeModelClass ETreeModelClass;
typedef gint (*ETreePathCompareFunc)(ETreeModel *model, ETreePath path1, ETreePath path2);
typedef gboolean (*ETreePathFunc)(ETreeModel *model, ETreePath path, gpointer data);
struct ETreeModel {
GtkObject base;
};
struct ETreeModelClass {
GtkObjectClass parent_class;
/*
* Virtual methods
*/
ETreePath (*get_root) (ETreeModel *etm);
ETreePath (*get_parent) (ETreeModel *etm, ETreePath node);
ETreePath (*get_first_child) (ETreeModel *etm, ETreePath node);
ETreePath (*get_last_child) (ETreeModel *etm, ETreePath node);
ETreePath (*get_next) (ETreeModel *etm, ETreePath node);
ETreePath (*get_prev) (ETreeModel *etm, ETreePath node);
gboolean (*is_root) (ETreeModel *etm, ETreePath node);
gboolean (*is_expandable) (ETreeModel *etm, ETreePath node);
guint (*get_children) (ETreeModel *etm, ETreePath node, ETreePath **paths);
guint (*depth) (ETreeModel *etm, ETreePath node);
GdkPixbuf *(*icon_at) (ETreeModel *etm, ETreePath node);
gboolean (*get_expanded_default) (ETreeModel *etm);
gint (*column_count) (ETreeModel *etm);
gboolean (*has_save_id) (ETreeModel *etm);
gchar *(*get_save_id) (ETreeModel *etm, ETreePath node);
gboolean (*has_get_node_by_id) (ETreeModel *etm);
ETreePath (*get_node_by_id) (ETreeModel *etm, const char *save_id);
gboolean (*has_change_pending) (ETreeModel *etm);
/*
* ETable analogs
*/
void *(*value_at) (ETreeModel *etm, ETreePath node, int col);
void (*set_value_at) (ETreeModel *etm, ETreePath node, int col, const void *val);
gboolean (*is_editable) (ETreeModel *etm, ETreePath node, int col);
void *(*duplicate_value) (ETreeModel *etm, int col, const void *value);
void (*free_value) (ETreeModel *etm, int col, void *value);
void *(*initialize_value) (ETreeModel *etm, int col);
gboolean (*value_is_empty) (ETreeModel *etm, int col, const void *value);
char *(*value_to_string) (ETreeModel *etm, int col, const void *value);
/*
* Signals
*/
/* During remove, the ETreePath of the child is removed from
* the tree but is still valid. At node_deleted, the
* ETreePath is no longer valid.
*/
void (*pre_change) (ETreeModel *etm);
void (*no_change) (ETreeModel *etm);
void (*node_changed) (ETreeModel *etm, ETreePath node);
void (*node_data_changed) (ETreeModel *etm, ETreePath node);
void (*node_col_changed) (ETreeModel *etm, ETreePath node, int col);
void (*node_inserted) (ETreeModel *etm, ETreePath parent, ETreePath inserted_node);
void (*node_removed) (ETreeModel *etm, ETreePath parent, ETreePath removed_node, int old_position);
void (*node_deleted) (ETreeModel *etm, ETreePath deleted_node);
};
GtkType e_tree_model_get_type (void);
ETreeModel *e_tree_model_new (void);
/* tree traversal operations */
ETreePath e_tree_model_get_root (ETreeModel *etree);
ETreePath e_tree_model_node_get_parent (ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_first_child (ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_last_child (ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_next (ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_prev (ETreeModel *etree,
ETreePath path);
/* node accessors */
gboolean e_tree_model_node_is_root (ETreeModel *etree,
ETreePath path);
gboolean e_tree_model_node_is_expandable (ETreeModel *etree,
ETreePath path);
guint e_tree_model_node_get_children (ETreeModel *etree,
ETreePath path,
ETreePath **paths);
guint e_tree_model_node_depth (ETreeModel *etree,
ETreePath path);
GdkPixbuf *e_tree_model_icon_at (ETreeModel *etree,
ETreePath path);
gboolean e_tree_model_get_expanded_default (ETreeModel *model);
gint e_tree_model_column_count (ETreeModel *model);
gboolean e_tree_model_has_save_id (ETreeModel *model);
gchar *e_tree_model_get_save_id (ETreeModel *model,
ETreePath node);
gboolean e_tree_model_has_get_node_by_id (ETreeModel *model);
ETreePath e_tree_model_get_node_by_id (ETreeModel *model,
const char *save_id);
gboolean e_tree_model_has_change_pending (ETreeModel *model);
void *e_tree_model_value_at (ETreeModel *etree,
ETreePath node,
int col);
void e_tree_model_set_value_at (ETreeModel *etree,
ETreePath node,
int col,
const void *val);
gboolean e_tree_model_node_is_editable (ETreeModel *etree,
ETreePath node,
int col);
void *e_tree_model_duplicate_value (ETreeModel *etree,
int col,
const void *value);
void e_tree_model_free_value (ETreeModel *etree,
int col,
void *value);
void *e_tree_model_initialize_value (ETreeModel *etree,
int col);
gboolean e_tree_model_value_is_empty (ETreeModel *etree,
int col,
const void *value);
char *e_tree_model_value_to_string (ETreeModel *etree,
int col,
const void *value);
/* depth first traversal of path's descendents, calling func on each one */
void e_tree_model_node_traverse (ETreeModel *model,
ETreePath path,
ETreePathFunc func,
gpointer data);
void e_tree_model_node_traverse_preorder (ETreeModel *model,
ETreePath path,
ETreePathFunc func,
gpointer data);
/*
** Routines for emitting signals on the ETreeModel
*/
void e_tree_model_pre_change (ETreeModel *tree_model);
void e_tree_model_no_change (ETreeModel *tree_model);
void e_tree_model_node_changed (ETreeModel *tree_model,
ETreePath node);
void e_tree_model_node_data_changed (ETreeModel *tree_model,
ETreePath node);
void e_tree_model_node_col_changed (ETreeModel *tree_model,
ETreePath node,
int col);
void e_tree_model_node_inserted (ETreeModel *tree_model,
ETreePath parent_node,
ETreePath inserted_node);
void e_tree_model_node_removed (ETreeModel *tree_model,
ETreePath parent_node,
ETreePath removed_node,
int old_position);
void e_tree_model_node_deleted (ETreeModel *tree_model,
ETreePath deleted_node);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _E_TREE_MODEL_H */
|