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
|
/* $Id$
* $URL$
*
* icon widget handling
*
* Copyright (C) 2003, 2004 Michael Reinelt <reinelt@eunet.at>
* Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
* exported functions:
*
* WIDGET_CLASS Widget_Icon
* the icon widget
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "debug.h"
#include "cfg.h"
#include "qprintf.h"
#include "property.h"
#include "timer.h"
#include "widget.h"
#include "widget_icon.h"
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif
/* icons size is same as char size */
extern int XRES, YRES;
static void widget_icon_read_bitmap(const char *section, WIDGET_ICON * Icon)
{
int row, n;
char key[15];
char *val, *v;
unsigned char *map;
for (row = 0; row < YRES; row++) {
qprintf(key, sizeof(key), "Bitmap.Row%d", row + 1);
val = cfg_get(section, key, "");
map = Icon->bitmap + row;
n = 0;
for (v = val; *v != '\0'; v++) {
if (n >= Icon->maxmap) {
Icon->maxmap++;
Icon->bitmap = realloc(Icon->bitmap, Icon->maxmap * YRES * sizeof(char));
memset(Icon->bitmap + n * YRES, 0, YRES * sizeof(char));
map = Icon->bitmap + n * YRES + row;
}
switch (*v) {
case '|':
n++;
map += YRES;
break;
case '*':
(*map) <<= 1;
(*map) |= 1;
break;
default:
(*map) <<= 1;
}
}
free(val);
}
}
void widget_icon_update(void *Self)
{
WIDGET *W = (WIDGET *) Self;
WIDGET_ICON *Icon = W->data;
/* process the parent only */
if (W->parent == NULL) {
/* evaluate properties */
property_eval(&Icon->speed);
property_eval(&Icon->visible);
/* rotate icon bitmap */
Icon->curmap++;
if (Icon->curmap >= Icon->maxmap)
Icon->curmap = 0;
}
/* finally, draw it! */
if (W->class->draw)
W->class->draw(W);
/* add a new one-shot timer */
if (P2N(&Icon->speed) > 0) {
timer_add(widget_icon_update, Self, P2N(&Icon->speed), 1);
}
}
int widget_icon_init(WIDGET * Self)
{
char *section;
WIDGET_ICON *Icon;
/* re-use the parent if one exists */
if (Self->parent == NULL) {
/* prepare config section */
/* strlen("Widget:")=7 */
section = malloc(strlen(Self->name) + 8);
strcpy(section, "Widget:");
strcat(section, Self->name);
Icon = malloc(sizeof(WIDGET_ICON));
memset(Icon, 0, sizeof(WIDGET_ICON));
/* load properties */
property_load(section, "speed", "100", &Icon->speed);
property_load(section, "visible", "1", &Icon->visible);
/* read bitmap */
widget_icon_read_bitmap(section, Icon);
free(section);
Self->data = Icon;
/* as the speed is evaluatod on every call, we use 'one-shot'-timers. */
/* The timer will be reactivated on every call to widget_icon_update(). */
/* We do the initial call here... */
Icon->prvmap = -1;
/* reset ascii */
Icon->ascii = -1;
} else {
/* re-use the parent */
Self->data = Self->parent->data;
}
/* just do it! */
widget_icon_update(Self);
return 0;
}
int widget_icon_quit(WIDGET * Self)
{
if (Self) {
/* do not deallocate child widget! */
if (Self->parent == NULL) {
if (Self->data) {
WIDGET_ICON *Icon = Self->data;
property_free(&Icon->speed);
property_free(&Icon->visible);
if (Icon->bitmap)
free(Icon->bitmap);
free(Self->data);
Self->data = NULL;
}
}
}
return 0;
}
WIDGET_CLASS Widget_Icon = {
.name = "icon",
.type = WIDGET_TYPE_RC,
.init = widget_icon_init,
.draw = NULL,
.quit = widget_icon_quit,
};
|
