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
|
/*
* E-table-subset.c: Implements a table that contains a subset of another table.
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* (C) 1999 Helix Code, Inc.
*/
#include <config.h>
#include <stdlib.h>
#include <gtk/gtksignal.h>
#include "e-util/e-util.h"
#include "e-table-subset.h"
#define PARENT_TYPE E_TABLE_MODEL_TYPE
static ETableModelClass *etss_parent_class;
static void
etss_destroy (GtkObject *object)
{
ETableSubset *etss = E_TABLE_SUBSET (object);
if (etss->source)
gtk_object_unref (GTK_OBJECT (etss->source));
if (etss->map_table)
free (etss->map_table);
GTK_OBJECT_CLASS (etss_parent_class)->destroy (object);
}
static int
etss_column_count (ETableModel *etm)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_column_count (etss->source);
}
static int
etss_row_count (ETableModel *etm)
{
ETableSubset *etss = (ETableSubset *)etm;
return etss->n_map;
}
static void *
etss_value_at (ETableModel *etm, int col, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_value_at (etss->source, col, etss->map_table [row]);
}
static void
etss_set_value_at (ETableModel *etm, int col, int row, const void *val)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_set_value_at (etss->source, col, etss->map_table [row], val);
}
static gboolean
etss_is_cell_editable (ETableModel *etm, int col, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_is_cell_editable (etss->source, col, etss->map_table [row]);
}
static void
etss_class_init (GtkObjectClass *klass)
{
ETableModelClass *table_class = (ETableModelClass *) klass;
etss_parent_class = gtk_type_class (PARENT_TYPE);
klass->destroy = etss_destroy;
table_class->column_count = etss_column_count;
table_class->row_count = etss_row_count;
table_class->value_at = etss_value_at;
table_class->set_value_at = etss_set_value_at;
table_class->is_cell_editable = etss_is_cell_editable;
}
E_MAKE_TYPE(e_table_subset, "ETableSubset", ETableSubset, etss_class_init, NULL, PARENT_TYPE);
static void
etss_proxy_model_changed (ETableModel *etm, ETableSubset *etss)
{
e_table_model_changed (E_TABLE_MODEL (etss));
}
static void
etss_proxy_model_row_changed (ETableModel *etm, int row, ETableSubset *etss)
{
const int n = etss->n_map;
const int * const map_table = etss->map_table;
int i;
for (i = 0; i < n; i++){
if (map_table [i] == row){
e_table_model_row_changed (E_TABLE_MODEL (etss), i);
return;
}
}
}
static void
etss_proxy_model_cell_changed (ETableModel *etm, int col, int row, ETableSubset *etss)
{
const int n = etss->n_map;
const int * const map_table = etss->map_table;
int i;
for (i = 0; i < n; i++){
if (map_table [i] == row){
e_table_model_cell_changed (E_TABLE_MODEL (etss), col, i);
return;
}
}
}
ETableModel *
e_table_subset_construct (ETableSubset *etss, ETableModel *source, int nvals)
{
unsigned int *buffer;
int i;
buffer = (unsigned int *) malloc (sizeof (unsigned int) * nvals);
if (buffer == NULL)
return NULL;
etss->map_table = buffer;
etss->n_map = nvals;
etss->source = source;
gtk_object_ref (GTK_OBJECT (source));
/* Init */
for (i = 0; i < nvals; i++)
etss->map_table [i] = i;
gtk_signal_connect (GTK_OBJECT (source), "model_changed",
GTK_SIGNAL_FUNC (etss_proxy_model_changed), etss);
gtk_signal_connect (GTK_OBJECT (source), "model_row_changed",
GTK_SIGNAL_FUNC (etss_proxy_model_row_changed), etss);
gtk_signal_connect (GTK_OBJECT (source), "model_cell_changed",
GTK_SIGNAL_FUNC (etss_proxy_model_cell_changed), etss);
return E_TABLE_MODEL (etss);
}
ETableModel *
e_table_subset_new (ETableModel *source, const int nvals)
{
ETableSubset *etss = gtk_type_new (E_TABLE_SUBSET_TYPE);
if (e_table_subset_construct (etss, source, nvals) == NULL){
gtk_object_destroy (GTK_OBJECT (etss));
return NULL;
}
return (ETableModel *) etss;
}
ETableModel *
e_table_subset_get_toplevel (ETableSubset *table)
{
g_return_val_if_fail (table != NULL, NULL);
g_return_val_if_fail (E_IS_TABLE_SUBSET (table), NULL);
if (E_IS_TABLE_SUBSET (table->source))
return e_table_subset_get_toplevel (E_TABLE_SUBSET (table->source));
else
return table->source;
}
|
