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Diffstat (limited to 'apps/plugins/textviewer/textviewer.c')
| -rw-r--r-- | apps/plugins/textviewer/textviewer.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/apps/plugins/textviewer/textviewer.c b/apps/plugins/textviewer/textviewer.c new file mode 100644 index 0000000..289c741 --- /dev/null +++ b/apps/plugins/textviewer/textviewer.c @@ -0,0 +1,232 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 Gilles Roux + * 2003 Garrett Derner + * 2010 Yoshihisa Uchida + * + * 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 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "plugin.h" +#include "textviewer.h" +#include "tv_bookmark.h" +#include "tv_button.h" +#include "tv_menu.h" +#include "tv_readtext.h" +#include "tv_screen.h" +#include "tv_settings.h" + +PLUGIN_HEADER + +static bool viewer_init(const unsigned char *file) +{ + viewer_init_screen(); + viewer_init_buffer(); + + if (!viewer_open(file)) + return false; + + /* Init mac_text value used in processing buffer */ + mac_text = false; + + return true; +} + +static void viewer_exit(void *parameter) +{ + (void)parameter; + + /* save preference and bookmarks */ + if (!viewer_save_settings()) + rb->splash(HZ, "Can't save preference and bookmarks."); + + viewer_close(); + viewer_finalize_screen(); +} + +enum plugin_status plugin_start(const void* file) +{ + int button, i, ok; + int lastbutton = BUTTON_NONE; + bool autoscroll = false; + long old_tick; + + old_tick = *rb->current_tick; + + if (!file) + return PLUGIN_ERROR; + + ok = viewer_init(file); + if (!ok) { + rb->splash(HZ, "Error opening file."); + return PLUGIN_ERROR; + } + + viewer_load_settings(); /* load the preferences and bookmark */ + +#if LCD_DEPTH > 1 + rb->lcd_set_backdrop(NULL); +#endif + + viewer_draw(); + + while (!done) { + + if (autoscroll) + { + if(old_tick <= *rb->current_tick - (110-prefs.autoscroll_speed*10)) + { + viewer_scroll_down(VIEWER_SCROLL_LINE); + viewer_draw(); + old_tick = *rb->current_tick; + } + } + + button = rb->button_get_w_tmo(HZ/10); + + switch (button) { + case VIEWER_MENU: +#ifdef VIEWER_MENU2 + case VIEWER_MENU2: +#endif + viewer_menu(); + break; + + case VIEWER_AUTOSCROLL: +#ifdef VIEWER_AUTOSCROLL_PRE + if (lastbutton != VIEWER_AUTOSCROLL_PRE) + break; +#endif + autoscroll = !autoscroll; + break; + + case VIEWER_SCROLL_UP: + case VIEWER_SCROLL_UP | BUTTON_REPEAT: +#ifdef VIEWER_SCROLL_UP2 + case VIEWER_SCROLL_UP2: + case VIEWER_SCROLL_UP2 | BUTTON_REPEAT: +#endif + viewer_scroll_up(VIEWER_SCROLL_PREFS); + viewer_draw(); + old_tick = *rb->current_tick; + break; + + case VIEWER_SCROLL_DOWN: + case VIEWER_SCROLL_DOWN | BUTTON_REPEAT: +#ifdef VIEWER_PAGE_DOWN2 + case VIEWER_SCROLL_DOWN2: + case VIEWER_SCROLL_DOWN2 | BUTTON_REPEAT: +#endif + viewer_scroll_down(VIEWER_SCROLL_PREFS); + viewer_draw(); + old_tick = *rb->current_tick; + break; + + case VIEWER_SCREEN_LEFT: + case VIEWER_SCREEN_LEFT | BUTTON_REPEAT: + if (prefs.view_mode == WIDE) + { + /* Screen left */ + viewer_scroll_left(VIEWER_SCROLL_SCREEN); + } + else { /* prefs.view_mode == NARROW */ + /* Top of file */ + viewer_top(); + } + viewer_draw(); + break; + + case VIEWER_SCREEN_RIGHT: + case VIEWER_SCREEN_RIGHT | BUTTON_REPEAT: + if (prefs.view_mode == WIDE) + { + /* Screen right */ + viewer_scrol_right(VIEWER_SCROLL_SCREEN); + } + else { /* prefs.view_mode == NARROW */ + /* Bottom of file */ + viewer_bottom(); + } + viewer_draw(); + break; + +#ifdef VIEWER_LINE_UP + case VIEWER_LINE_UP: + case VIEWER_LINE_UP | BUTTON_REPEAT: + /* Scroll up one line */ + viewer_scroll_up(VIEWER_SCROLL_LINE); + viewer_draw(); + old_tick = *rb->current_tick; + break; + + case VIEWER_LINE_DOWN: + case VIEWER_LINE_DOWN | BUTTON_REPEAT: + /* Scroll down one line */ + viewer_scroll_down(VIEWER_SCROLL_LINE); + viewer_draw(); + old_tick = *rb->current_tick; + break; +#endif +#ifdef VIEWER_COLUMN_LEFT + case VIEWER_COLUMN_LEFT: + case VIEWER_COLUMN_LEFT | BUTTON_REPEAT: + if (prefs.view_mode == WIDE) + { + viewer_scroll_left(VIEWER_SCROLL_COLUMN); + viewer_draw(); + } + break; + + case VIEWER_COLUMN_RIGHT: + case VIEWER_COLUMN_RIGHT | BUTTON_REPEAT: + if (prefs.view_mode == WIDE) + { + viewer_scroll_right(VIEWER_SCROLL_COLUMN); + viewer_draw(); + } + break; +#endif + +#ifdef VIEWER_RC_QUIT + case VIEWER_RC_QUIT: +#endif + case VIEWER_QUIT: +#ifdef VIEWER_QUIT2 + case VIEWER_QUIT2: +#endif + viewer_exit(NULL); + done = true; + break; + + case VIEWER_BOOKMARK: + viewer_add_remove_bookmark(cpage, cline); + viewer_draw(); + break; + + default: + if (rb->default_event_handler_ex(button, viewer_exit, NULL) + == SYS_USB_CONNECTED) + return PLUGIN_USB_CONNECTED; + break; + } + if (button != BUTTON_NONE) + { + lastbutton = button; + rb->yield(); + } + } + return PLUGIN_OK; +} |