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Diffstat (limited to 'apps/plugins/text_viewer/text_viewer.c')
-rw-r--r--apps/plugins/text_viewer/text_viewer.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/apps/plugins/text_viewer/text_viewer.c b/apps/plugins/text_viewer/text_viewer.c
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2002 Gilles Roux
11 * 2003 Garrett Derner
12 * 2010 Yoshihisa Uchida
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ****************************************************************************/
23#include "plugin.h"
24#include "tv_action.h"
25#include "tv_button.h"
26#include "tv_preferences.h"
27
28PLUGIN_HEADER
29
30enum plugin_status plugin_start(const void* file)
31{
32 int button;
33 int lastbutton = BUTTON_NONE;
34 bool autoscroll = false;
35 long old_tick;
36 bool done = false;
37 bool display_update = true;
38 const struct tv_preferences *prefs = tv_get_preferences();
39
40 old_tick = *rb->current_tick;
41
42 if (!file)
43 return PLUGIN_ERROR;
44
45 if (!tv_init(file)) {
46 rb->splash(HZ, "Error opening file");
47 return PLUGIN_ERROR;
48 }
49
50#if LCD_DEPTH > 1
51 rb->lcd_set_backdrop(NULL);
52#endif
53
54 while (!done) {
55
56 if (display_update)
57 tv_draw();
58
59 display_update = true;
60
61 button = rb->button_get_w_tmo(HZ/10);
62
63 switch (button) {
64 case TV_MENU:
65#ifdef TV_MENU2
66 case TV_MENU2:
67#endif
68 {
69 enum tv_menu_result res = tv_menu();
70
71 if (res != TV_MENU_RESULT_EXIT_MENU)
72 {
73 tv_exit(NULL);
74 done = true;
75 if (res == TV_MENU_RESULT_ATTACHED_USB)
76 return PLUGIN_USB_CONNECTED;
77 }
78 }
79 break;
80
81 case TV_AUTOSCROLL:
82#ifdef TV_AUTOSCROLL_PRE
83 if (lastbutton != TV_AUTOSCROLL_PRE)
84 break;
85#endif
86 autoscroll = !autoscroll;
87 break;
88
89 case TV_SCROLL_UP:
90 case TV_SCROLL_UP | BUTTON_REPEAT:
91#ifdef TV_SCROLL_UP2
92 case TV_SCROLL_UP2:
93 case TV_SCROLL_UP2 | BUTTON_REPEAT:
94#endif
95 tv_scroll_up(TV_VERTICAL_SCROLL_PREFS);
96 old_tick = *rb->current_tick;
97 break;
98
99 case TV_SCROLL_DOWN:
100 case TV_SCROLL_DOWN | BUTTON_REPEAT:
101#ifdef TV_PAGE_DOWN2
102 case TV_SCROLL_DOWN2:
103 case TV_SCROLL_DOWN2 | BUTTON_REPEAT:
104#endif
105 tv_scroll_down(TV_VERTICAL_SCROLL_PREFS);
106 old_tick = *rb->current_tick;
107 break;
108
109 case TV_SCREEN_LEFT:
110 case TV_SCREEN_LEFT | BUTTON_REPEAT:
111 if (prefs->view_mode == WIDE)
112 {
113 /* Screen left */
114 tv_scroll_left(TV_HORIZONTAL_SCROLL_WINDOW);
115 }
116 else { /* prefs->view_mode == NARROW */
117 /* scroll to previous page */
118 tv_scroll_up(TV_VERTICAL_SCROLL_PAGE);
119#if 0
120 /* Top of file */
121 tv_top();
122#endif
123 }
124 break;
125
126 case TV_SCREEN_RIGHT:
127 case TV_SCREEN_RIGHT | BUTTON_REPEAT:
128 if (prefs->view_mode == WIDE)
129 {
130 /* Screen right */
131 tv_scroll_right(TV_HORIZONTAL_SCROLL_WINDOW);
132 }
133 else { /* prefs->view_mode == NARROW */
134 /* scroll to next page */
135 tv_scroll_down(TV_VERTICAL_SCROLL_PAGE);
136#if 0
137 /* Bottom of file */
138 tv_bottom();
139#endif
140 }
141 break;
142
143#ifdef TV_LINE_UP
144 case TV_LINE_UP:
145 case TV_LINE_UP | BUTTON_REPEAT:
146 /* Scroll up one line */
147 tv_scroll_up(TV_VERTICAL_SCROLL_LINE);
148 old_tick = *rb->current_tick;
149 break;
150
151 case TV_LINE_DOWN:
152 case TV_LINE_DOWN | BUTTON_REPEAT:
153 /* Scroll down one line */
154 tv_scroll_down(TV_VERTICAL_SCROLL_LINE);
155 old_tick = *rb->current_tick;
156 break;
157#endif
158#ifdef TV_COLUMN_LEFT
159 case TV_COLUMN_LEFT:
160 case TV_COLUMN_LEFT | BUTTON_REPEAT:
161 /* Scroll left one column */
162 tv_scroll_left(TV_HORIZONTAL_SCROLL_COLUMN);
163 break;
164
165 case TV_COLUMN_RIGHT:
166 case TV_COLUMN_RIGHT | BUTTON_REPEAT:
167 /* Scroll right one column */
168 tv_scroll_right(TV_HORIZONTAL_SCROLL_COLUMN);
169 break;
170#endif
171
172#ifdef TV_RC_QUIT
173 case TV_RC_QUIT:
174#endif
175 case TV_QUIT:
176#ifdef TV_QUIT2
177 case TV_QUIT2:
178#endif
179 tv_exit(NULL);
180 done = true;
181 break;
182
183 case TV_BOOKMARK:
184 tv_add_or_remove_bookmark();
185 break;
186
187 default:
188 if (rb->default_event_handler_ex(button, tv_exit, NULL)
189 == SYS_USB_CONNECTED)
190 return PLUGIN_USB_CONNECTED;
191 display_update = false;
192 break;
193 }
194 if (button != BUTTON_NONE)
195 {
196 lastbutton = button;
197 rb->yield();
198 }
199 if (autoscroll)
200 {
201 if(old_tick <= *rb->current_tick - (110 - prefs->autoscroll_speed * 10))
202 {
203 tv_scroll_down(TV_VERTICAL_SCROLL_PREFS);
204 old_tick = *rb->current_tick;
205 display_update = true;
206 }
207 }
208 }
209 return PLUGIN_OK;
210}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 16:56:27 +0000