aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/table/e-tree-model.h
blob: 965d66e9159b28e0291a8fad426853aaf88608f2 (plain) (blame)
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
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#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);

    /*
     * 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
     */
    void       (*pre_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);
};
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);

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);

/*
** Routines for emitting signals on the ETreeModel
*/
void        e_tree_model_pre_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);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _E_TREE_MODEL_H */