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
|
/*
* Test code for the ETable package
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <gnome.h>
#include "e-table-simple.h"
#include "e-table-header.h"
#include "e-table-header-item.h"
#include "e-table-item.h"
#include "e-cursors.h"
#include "e-cell-text.h"
char buffer [1024];
char **column_labels;
char ***table_data;
int cols = 0;
int lines = 0;
int lines_alloc = 0;
static void
parse_headers ()
{
char *p, *s;
int in_value = 0, i;
fgets (buffer, sizeof (buffer)-1, stdin);
for (p = buffer; *p; p++){
if (*p == ' ' || *p == '\t'){
if (in_value){
cols++;
in_value = 0;
}
} else
in_value = 1;
}
if (in_value)
cols++;
if (!cols){
fprintf (stderr, "No columns in first row\n");
exit (1);
}
column_labels = g_new0 (char *, cols);
p = buffer;
for (i = 0; (s = strtok (p, " \t")) != NULL; i++){
column_labels [i] = g_strdup (s);
p = NULL;
}
printf ("%d headers:\n", cols);
for (i = 0; i < cols; i++){
printf ("header %d: %s\n", i, column_labels [i]);
}
}
static char **
load_line (char *buffer, int cols)
{
char **line = g_new0 (char *, cols);
char *p;
int i;
for (i = 0; i < cols; i++){
p = strtok (buffer, " \t\n");
if (p == NULL){
for (; i < cols; i++)
line [i] = g_strdup ("");
return line;
} else
line [i] = g_strdup (p);
buffer = NULL;
}
return line;
}
static void
append_line (char **line)
{
if (lines <= lines_alloc){
lines_alloc = lines + 50;
table_data = g_renew (char **, table_data, lines_alloc);
}
table_data [lines] = line;
lines++;
}
static void
load_data ()
{
int i;
parse_headers ();
while (fgets (buffer, sizeof (buffer)-1, stdin) != NULL){
char **line;
if (buffer [0] == '\n')
continue;
line = load_line (buffer, cols);
append_line (line);
}
for (i = 0; i < lines; i++){
int j;
printf ("Line %d: ", i);
for (j = 0; j < cols; j++)
printf ("[%s] ", table_data [i][j]);
printf ("\n");
}
}
/*
* ETableSimple callbacks
*/
static int
col_count (ETableModel *etc, void *data)
{
return cols;
}
static int
row_count (ETableModel *etc, void *data)
{
return lines;
}
static void *
value_at (ETableModel *etc, int col, int row, void *data)
{
g_assert (col < cols);
g_assert (row < lines);
return (void *) table_data [row][col];
}
static void
set_value_at (ETableModel *etc, int col, int row, const void *val, void *data)
{
g_assert (col < cols);
g_assert (row < lines);
g_free (table_data [row][col]);
table_data [row][col] = g_strdup (val);
printf ("Value at %d,%d set to %s\n", col, row, (char *) val);
}
static gboolean
is_cell_editable (ETableModel *etc, int col, int row, void *data)
{
return TRUE;
}
static void
set_canvas_size (GnomeCanvas *canvas, GtkAllocation *alloc)
{
gnome_canvas_set_scroll_region (canvas, 0, 0, alloc->width, alloc->height);
}
void
table_browser_test (void)
{
GtkWidget *canvas, *window;
ETableModel *e_table_model;
ETableHeader *e_table_header;
ECell *cell_left_just;
int i;
load_data ();
/*
* Data model
*/
e_table_model = e_table_simple_new (
col_count, row_count, value_at,
set_value_at, is_cell_editable, NULL);
/*
* Header
*/
e_table_header = e_table_header_new ();
cell_left_just = e_cell_text_new (e_table_model, NULL, GTK_JUSTIFY_LEFT);
for (i = 0; i < cols; i++){
ETableCol *ecol = e_table_col_new (
i, column_labels [i],
80, 20, cell_left_just,
g_str_equal, TRUE);
e_table_header_add_column (e_table_header, ecol, i);
}
/*
* Setup GUI
*/
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
canvas = gnome_canvas_new ();
gtk_signal_connect (GTK_OBJECT (canvas), "size_allocate",
GTK_SIGNAL_FUNC (set_canvas_size), NULL);
gtk_container_add (GTK_CONTAINER (window), canvas);
gtk_widget_show_all (window);
gnome_canvas_item_new (
gnome_canvas_root (GNOME_CANVAS (canvas)),
e_table_header_item_get_type (),
"ETableHeader", e_table_header,
"x", 0,
"y", 0,
NULL);
gnome_canvas_item_new (
gnome_canvas_root (GNOME_CANVAS (canvas)),
e_table_item_get_type (),
"ETableHeader", e_table_header,
"ETableModel", e_table_model,
"x", 10,
"y", 30,
"drawgrid", TRUE,
"drawfocus", TRUE,
"spreadsheet", TRUE,
NULL);
}
|
