aboutsummaryrefslogtreecommitdiffstats
path: root/e-util/e-tree.h
blob: 99dcfee7621ffb5288b92c6a8cfcaa70e55cf446 (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
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#if !defined (__E_UTIL_H_INSIDE__) && !defined (LIBEUTIL_COMPILATION)
#error "Only <e-util/e-util.h> should be included directly."
#endif

#ifndef E_TREE_H
#define E_TREE_H

#include <gtk/gtk.h>
#include <libxml/tree.h>
#include <libgnomecanvas/libgnomecanvas.h>

#include <e-util/e-printable.h>
#include <e-util/e-table-extras.h>
#include <e-util/e-table-item.h>
#include <e-util/e-table-specification.h>
#include <e-util/e-table-state.h>
#include <e-util/e-tree-model.h>
#include <e-util/e-tree-table-adapter.h>
#include <e-util/e-tree-selection-model.h>

/* Standard GObject macros */
#define E_TYPE_TREE \
    (e_tree_get_type ())
#define E_TREE(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_TREE, ETree))
#define E_TREE_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_TREE, ETreeClass))
#define E_IS_TREE(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_TREE))
#define E_IS_TREE_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_TREE))
#define E_TREE_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_TREE))

G_BEGIN_DECLS

typedef struct _ETree ETree;
typedef struct _ETreeClass ETreeClass;
typedef struct _ETreePrivate ETreePrivate;

struct _ETree {
    GtkTable parent;
    ETreePrivate *priv;
};

struct _ETreeClass {
    GtkTableClass parent_class;

    void        (*cursor_change)    (ETree *tree,
                         gint row,
                         ETreePath path);
    void        (*cursor_activated) (ETree *tree,
                         gint row,
                         ETreePath path);
    void        (*selection_change) (ETree *tree);
    void        (*double_click)     (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkEvent *event);
    gboolean    (*right_click)      (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkEvent *event);
    gboolean    (*click)        (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkEvent *event);
    gboolean    (*key_press)        (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkEvent *event);
    gboolean    (*start_drag)       (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkEvent *event);
    void        (*state_change)     (ETree *tree);
    gboolean    (*white_space_event)    (ETree *tree,
                         GdkEvent *event);

    /* Source side drag signals */
    void        (*tree_drag_begin)  (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context);
    void        (*tree_drag_end)    (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context);
    void        (*tree_drag_data_get)   (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context,
                         GtkSelectionData *selection_data,
                         guint info,
                         guint time);
    void        (*tree_drag_data_delete)
                        (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context);

    /* Target side drag signals */
    void        (*tree_drag_leave)  (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context,
                         guint time);
    gboolean    (*tree_drag_motion) (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context,
                         gint x,
                         gint y,
                         guint time);
    gboolean    (*tree_drag_drop)   (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context,
                         gint x,
                         gint y,
                         guint time);
    void        (*tree_drag_data_received)
                        (ETree *tree,
                         gint row,
                         ETreePath path,
                         gint col,
                         GdkDragContext *context,
                         gint x,
                         gint y,
                         GtkSelectionData *selection_data,
                         guint info,
                         guint time);
};

GType       e_tree_get_type         (void) G_GNUC_CONST;
gboolean    e_tree_construct        (ETree *tree,
                         ETreeModel *etm,
                         ETableExtras *ete,
                         const gchar *spec_str);
GtkWidget * e_tree_new          (ETreeModel *etm,
                         ETableExtras *ete,
                         const gchar *spec_str);

/* Create an ETree using files. */
gboolean    e_tree_construct_from_spec_file (ETree *tree,
                         ETreeModel *etm,
                         ETableExtras *ete,
                         const gchar *spec_fn);
GtkWidget * e_tree_new_from_spec_file   (ETreeModel *etm,
                         ETableExtras *ete,
                         const gchar *spec_fn);

/* To save the state */
gchar *     e_tree_get_state        (ETree *tree);
ETableState *   e_tree_get_state_object     (ETree *tree);
ETableSpecification *
        e_tree_get_spec         (ETree *tree);

/* note that it is more efficient to provide the state at creation time */
void        e_tree_set_state        (ETree *tree,
                         const gchar *state_str);
void        e_tree_set_state_object     (ETree *tree,
                         ETableState *state);
void        e_tree_show_cursor_after_reflow (ETree *tree);

void        e_tree_set_cursor       (ETree *tree,
                         ETreePath path);

/* NULL means we don't have the cursor. */
ETreePath   e_tree_get_cursor       (ETree *tree);
void        e_tree_path_foreach     (ETree *tree,
                         ETreeForeachFunc callback,
                         gpointer closure);
void        e_tree_get_cell_at      (ETree *tree,
                         gint x,
                         gint y,
                         gint *row_return,
                         gint *col_return);
void        e_tree_get_cell_geometry    (ETree *tree,
                         gint row,
                         gint col,
                         gint *x_return,
                         gint *y_return,
                         gint *width_return,
                         gint *height_return);

/* Useful accessors */
ETreeModel *    e_tree_get_model        (ETree *tree);
ESelectionModel *
        e_tree_get_selection_model  (ETree *tree);
ETreeTableAdapter *
        e_tree_get_table_adapter    (ETree *tree);

/* Drag & drop stuff. */

/* Source side */
void        e_tree_drag_source_set      (ETree *tree,
                         GdkModifierType start_button_mask,
                         const GtkTargetEntry *targets,
                         gint n_targets,
                         GdkDragAction actions);
void        e_tree_drag_source_unset    (ETree *tree);

/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */
GdkDragContext *e_tree_drag_begin       (ETree *tree,
                         gint row,
                         gint col,
                         GtkTargetList *targets,
                         GdkDragAction actions,
                         gint button,
                         GdkEvent *event);

gboolean    e_tree_is_dragging      (ETree *tree);

ETableItem *    e_tree_get_item         (ETree *tree);

GnomeCanvasItem *
        e_tree_get_header_item      (ETree *tree);

void        e_tree_set_info_message     (ETree *tree,
                         const gchar *info_message);

void        e_tree_freeze_state_change  (ETree *tree);
void        e_tree_thaw_state_change    (ETree *tree);

gboolean    e_tree_is_editing       (ETree *tree);

G_END_DECLS

#endif /* E_TREE_H */