aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/misc/e-selection-model.h
blob: c9219a7e48391963097d4f4ddcb7a115fd87ae42 (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
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-selection-model.h
 * Copyright 2000, 2001, Ximian, Inc.
 *
 * Authors:
 *   Chris Lahey <clahey@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_SELECTION_MODEL_H_
#define _E_SELECTION_MODEL_H_

#include <gtk/gtkobject.h>
#include <gal/util/e-sorter.h>
#include <gdk/gdktypes.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#define E_SELECTION_MODEL_TYPE        (e_selection_model_get_type ())
#define E_SELECTION_MODEL(o)          (GTK_CHECK_CAST ((o), E_SELECTION_MODEL_TYPE, ESelectionModel))
#define E_SELECTION_MODEL_CLASS(k)    (GTK_CHECK_CLASS_CAST((k), E_SELECTION_MODEL_TYPE, ESelectionModelClass))
#define E_IS_SELECTION_MODEL(o)       (GTK_CHECK_TYPE ((o), E_SELECTION_MODEL_TYPE))
#define E_IS_SELECTION_MODEL_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_SELECTION_MODEL_TYPE))

#ifndef _E_FOREACH_FUNC_H_
#define _E_FOREACH_FUNC_H_
typedef void (*EForeachFunc) (int model_row,
                  gpointer closure);
#endif

/* list selection modes */
typedef enum {
    E_CURSOR_LINE,
    E_CURSOR_SIMPLE,
    E_CURSOR_SPREADSHEET
} ECursorMode;

typedef struct {
    GtkObject     base;

    ESorter *sorter;

    GtkSelectionMode mode;
    ECursorMode cursor_mode;

    int old_selection;
} ESelectionModel;

typedef struct {
    GtkObjectClass parent_class;

    /* Virtual methods */
    gboolean (*is_row_selected)       (ESelectionModel *esm, int row);
    void     (*foreach)               (ESelectionModel *esm, EForeachFunc callback, gpointer closure);
    void     (*clear)                 (ESelectionModel *esm);
    gint     (*selected_count)        (ESelectionModel *esm);
    void     (*select_all)            (ESelectionModel *esm);
    void     (*invert_selection)      (ESelectionModel *esm);
    int      (*row_count)             (ESelectionModel *esm);

    /* Protected virtual methods. */
    void     (*change_one_row)        (ESelectionModel *esm, int row, gboolean on);
    void     (*change_cursor)         (ESelectionModel *esm, int row, int col);
    int      (*cursor_row)            (ESelectionModel *esm);
    int      (*cursor_col)            (ESelectionModel *esm);

    void     (*select_single_row)     (ESelectionModel *selection, int row);
    void     (*toggle_single_row)     (ESelectionModel *selection, int row);
    void     (*move_selection_end)    (ESelectionModel *selection, int row);
    void     (*set_selection_end)     (ESelectionModel *selection, int row);

    /*
     * Signals
     */

    void     (*cursor_changed)        (ESelectionModel *esm, int row, int col);
    void     (*cursor_activated)      (ESelectionModel *esm, int row, int col);
    void     (*selection_row_changed) (ESelectionModel *esm, int row);
    void     (*selection_changed)     (ESelectionModel *esm);

} ESelectionModelClass;


GtkType   e_selection_model_get_type               (void);
void      e_selection_model_do_something           (ESelectionModel *esm,
                            guint            row,
                            guint            col,
                            GdkModifierType  state);
gboolean  e_selection_model_maybe_do_something     (ESelectionModel *esm,
                            guint            row,
                            guint            col,
                            GdkModifierType  state);
void      e_selection_model_right_click_down       (ESelectionModel *selection,
                            guint            row,
                            guint            col,
                            GdkModifierType  state);
void      e_selection_model_right_click_up         (ESelectionModel *selection);
gint      e_selection_model_key_press              (ESelectionModel *esm,
                            GdkEventKey     *key);
void      e_selection_model_select_as_key_press    (ESelectionModel *esm,
                            guint            row,
                            guint            col,
                            GdkModifierType  state);

/* Virtual functions */
gboolean  e_selection_model_is_row_selected        (ESelectionModel *esm,
                            gint             n);
void      e_selection_model_foreach                (ESelectionModel *esm,
                            EForeachFunc     callback,
                            gpointer         closure);
void      e_selection_model_clear                  (ESelectionModel *esm);
gint      e_selection_model_selected_count         (ESelectionModel *esm);
void      e_selection_model_select_all             (ESelectionModel *esm);
void      e_selection_model_invert_selection       (ESelectionModel *esm);
int       e_selection_model_row_count              (ESelectionModel *esm);


/* Private virtual Functions */
void      e_selection_model_change_one_row         (ESelectionModel *esm,
                            int              row,
                            gboolean         on);
void      e_selection_model_change_cursor          (ESelectionModel *esm,
                            int              row,
                            int              col);
int       e_selection_model_cursor_row             (ESelectionModel *esm);
int       e_selection_model_cursor_col             (ESelectionModel *esm);
void      e_selection_model_select_single_row      (ESelectionModel *selection,
                            int              row);
void      e_selection_model_toggle_single_row      (ESelectionModel *selection,
                            int              row);
void      e_selection_model_move_selection_end     (ESelectionModel *selection,
                            int              row);
void      e_selection_model_set_selection_end      (ESelectionModel *selection,
                            int              row);

/* Signals */
void      e_selection_model_cursor_changed         (ESelectionModel *selection,
                            int              row,
                            int              col);
void      e_selection_model_cursor_activated       (ESelectionModel *selection,
                            int              row,
                            int              col);
void      e_selection_model_selection_row_changed  (ESelectionModel *selection,
                            int              row);
void      e_selection_model_selection_changed      (ESelectionModel *selection);

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* _E_SELECTION_MODEL_H_ */