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
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* ETableTextModel - Text item model for evolution.
* Copyright (C) 2000 Helix Code, Inc.
*
* Author: Chris Lahey <clahey@umich.edu>
*
* A majority of code taken from:
*
* Text item type for GnomeCanvas widget
*
* GnomeCanvas is basically a port of the Tk toolkit's most excellent
* canvas widget. Tk is copyrighted by the Regents of the University
* of California, Sun Microsystems, and other parties.
*
* Copyright (C) 1998 The Free Software Foundation
*
* Author: Federico Mena <federico@nuclecu.unam.mx> */
#include <config.h>
#include <ctype.h>
#include "e-table-text-model.h"
static void e_table_text_model_class_init (ETableTextModelClass *class);
static void e_table_text_model_init (ETableTextModel *model);
static void e_table_text_model_destroy (GtkObject *object);
static gchar *e_table_text_model_get_text(ETextModel *model);
static void e_table_text_model_set_text(ETextModel *model, gchar *text);
static void e_table_text_model_insert(ETextModel *model, gint postion, gchar *text);
static void e_table_text_model_insert_length(ETextModel *model, gint postion, gchar *text, gint length);
static void e_table_text_model_delete(ETextModel *model, gint postion, gint length);
static GtkObject *parent_class;
/**
* e_table_text_model_get_type:
* @void:
*
* Registers the &ETableTextModel class if necessary, and returns the type ID
* associated to it.
*
* Return value: The type ID of the &ETableTextModel class.
**/
GtkType
e_table_text_model_get_type (void)
{
static GtkType model_type = 0;
if (!model_type) {
GtkTypeInfo model_info = {
"ETableTextModel",
sizeof (ETableTextModel),
sizeof (ETableTextModelClass),
(GtkClassInitFunc) e_table_text_model_class_init,
(GtkObjectInitFunc) e_table_text_model_init,
NULL, /* reserved_1 */
NULL, /* reserved_2 */
(GtkClassInitFunc) NULL
};
model_type = gtk_type_unique (e_text_model_get_type (), &model_info);
}
return model_type;
}
/* Class initialization function for the text item */
static void
e_table_text_model_class_init (ETableTextModelClass *klass)
{
GtkObjectClass *object_class;
ETextModelClass *model_class;
object_class = (GtkObjectClass *) klass;
model_class = (ETextModelClass *) klass;
parent_class = gtk_type_class (e_text_model_get_type ());
model_class->get_text = e_table_text_model_get_text;
model_class->set_text = e_table_text_model_set_text;
model_class->insert = e_table_text_model_insert;
model_class->insert_length = e_table_text_model_insert_length;
model_class->delete = e_table_text_model_delete;
object_class->destroy = e_table_text_model_destroy;
}
/* Object initialization function for the text item */
static void
e_table_text_model_init (ETableTextModel *model)
{
model->model = NULL;
model->row = 0;
model->model_col = 0;
model->cell_changed_signal_id = 0;
model->row_changed_signal_id = 0;
}
/* Destroy handler for the text item */
static void
e_table_text_model_destroy (GtkObject *object)
{
ETableTextModel *model;
g_return_if_fail (object != NULL);
g_return_if_fail (E_IS_TABLE_TEXT_MODEL (object));
model = E_TABLE_TEXT_MODEL (object);
g_assert (model->model);
g_assert (GTK_IS_OBJECT (model->model));
if (model->cell_changed_signal_id)
gtk_signal_disconnect(GTK_OBJECT(model->model),
model->cell_changed_signal_id);
if (model->row_changed_signal_id)
gtk_signal_disconnect(GTK_OBJECT(model->model),
model->row_changed_signal_id);
if (model->model)
gtk_object_unref(GTK_OBJECT(model->model));
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static gchar *
e_table_text_model_get_text(ETextModel *text_model)
{
ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
if ( model->model )
return (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
else
return "";
}
static void
e_table_text_model_set_text(ETextModel *text_model, gchar *text)
{
ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
if ( model->model )
e_table_model_set_value_at(model->model, model->model_col, model->row, (void *) text);
}
static void
e_table_text_model_insert(ETextModel *text_model, gint position, gchar *text)
{
ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
if ( model->model ) {
gchar *temp = (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
temp = g_strdup_printf("%.*s%s%s", position, temp, text, temp + position);
e_table_model_set_value_at(model->model, model->model_col, model->row, temp);
g_free(temp);
}
}
static void
e_table_text_model_insert_length(ETextModel *text_model, gint position, gchar *text, gint length)
{
ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
if ( model->model ) {
gchar *temp = (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
temp = g_strdup_printf("%.*s%.*s%s", position, temp, length, text, temp + position);
e_table_model_set_value_at(model->model, model->model_col, model->row, temp);
g_free(temp);
}
}
static void
e_table_text_model_delete(ETextModel *text_model, gint position, gint length)
{
ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
if ( model->model ) {
gchar *temp = (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
temp = g_strdup_printf("%.*s%s", position, temp, temp + position + length);
e_table_model_set_value_at(model->model, model->model_col, model->row, temp);
g_free(temp);
}
}
static void
cell_changed(ETableModel *table_model, int model_col, int row, ETableTextModel *model)
{
if (model->model_col == model_col &&
model->row == row)
e_text_model_changed(E_TEXT_MODEL(model));
}
static void
row_changed(ETableModel *table_model, int row, ETableTextModel *model)
{
if (model->row == row)
e_text_model_changed(E_TEXT_MODEL(model));
}
ETableTextModel *
e_table_text_model_new(ETableModel *table_model, int row, int model_col)
{
ETableTextModel *model = gtk_type_new (e_table_text_model_get_type ());
model->model = table_model;
if ( model->model ) {
gtk_object_ref(GTK_OBJECT(model->model));
model->cell_changed_signal_id =
gtk_signal_connect(GTK_OBJECT(model->model),
"model_cell_changed",
GTK_SIGNAL_FUNC(cell_changed),
model);
model->row_changed_signal_id =
gtk_signal_connect(GTK_OBJECT(model->model),
"model_row_changed",
GTK_SIGNAL_FUNC(row_changed),
model);
}
model->row = row;
model->model_col = model_col;
return model;
}
|
