From 642e8ec40e2d3ce4b4f950d069d267f8074d119b Mon Sep 17 00:00:00 2001 From: Yoshihisa Uchida Date: Sat, 5 Jun 2010 12:09:10 +0000 Subject: remove old text viewer plugin (viewer.rock). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26576 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/SOURCES | 1 - apps/plugins/viewer.c | 3294 ------------------------------------------------- 2 files changed, 3295 deletions(-) delete mode 100644 apps/plugins/viewer.c diff --git a/apps/plugins/SOURCES b/apps/plugins/SOURCES index 5fdee5344f..bbea275988 100644 --- a/apps/plugins/SOURCES +++ b/apps/plugins/SOURCES @@ -23,7 +23,6 @@ stopwatch.c #endif theme_remove.c vbrfix.c -viewer.c md5sum.c dice.c disktidy.c diff --git a/apps/plugins/viewer.c b/apps/plugins/viewer.c deleted file mode 100644 index f000628ca3..0000000000 --- a/apps/plugins/viewer.c +++ /dev/null @@ -1,3294 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2002 Gilles Roux, 2003 Garrett Derner - * - * 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 -#include "lib/playback_control.h" - -PLUGIN_HEADER - -/* global settings file - * binary file, so dont use .cfg - * - * setting file format - * - * part byte count - * -------------------------------- - * 'TVGS' 4 - * version 1 - * word_mode 1 - * line_mode 1 - * view_mode 1 - * alignment 1 - * encoding 1 - * scrollbar_mode 1 - * need_scrollbar 1 - * page_mode 1 - * page_number_mode 1 - * title_mode 1 - * scroll_mode 1 - * autoscroll_speed 1 - * font name MAX_PATH - */ -#define GLOBAL_SETTINGS_FILE VIEWERS_DIR "/viewer.dat" - -/* temporary file */ -#define GLOBAL_SETTINGS_TMP_FILE VIEWERS_DIR "/viewer_file.tmp" - -#define GLOBAL_SETTINGS_HEADER "\x54\x56\x47\x53" /* header="TVGS" */ -#define GLOBAL_SETTINGS_H_SIZE 5 -#define GLOBAL_SETTINGS_VERSION 0x32 /* version=2 */ -#define GLOBAL_SETTINGS_FIRST_VERSION 0x31 - -/* preferences and bookmarks at each file - * binary file, so dont use .cfg - * - * setting file format - * - * part byte count - * -------------------------------- - * 'TVS' 3 - * version 1 - * file count 2 - * [1st file] - * file path MAX_PATH - * next file pos 2 - * [preferences] - * word_mode 1 - * line_mode 1 - * view_mode 1 - * alignment 1 - * encoding 1 - * scrollbar_mode 1 - * need_scrollbar 1 - * page_mode 1 - * header_mode 1 - * footer_mode 1 - * scroll_mode 1 - * autoscroll_speed 1 - * font name MAX_PATH - * bookmark count 1 - * [1st bookmark] - * file_position 4 - * page 2 - * line 1 - * flag 1 - * [2nd bookmark] - * ... - * [last bookmark] - * [2nd file] - * ... - * [last file] - */ -#define SETTINGS_FILE VIEWERS_DIR "/viewer_file.dat" - -/* temporary file */ -#define SETTINGS_TMP_FILE VIEWERS_DIR "/viewer_file.tmp" - -#define SETTINGS_HEADER "\x54\x56\x53" /* header="TVS" */ -#define SETTINGS_H_SIZE 4 -#define SETTINGS_VERSION 0x33 /* version=3 */ -#define SETTINGS_FIRST_VERSION 0x32 - -#define WRAP_TRIM 44 /* Max number of spaces to trim (arbitrary) */ -#define NARROW_MAX_COLUMNS 64 /* Max displayable string len [narrow] (over-estimate) */ -#define WIDE_MAX_COLUMNS 128 /* Max displayable string len [wide] (over-estimate) */ -#define MAX_WIDTH 910 /* Max line length in WIDE mode */ -#define READ_PREV_ZONE (block_size*9/10) /* Arbitrary number less than SMALL_BLOCK_SIZE */ -#define SMALL_BLOCK_SIZE block_size /* Smallest file chunk we will read */ -#define LARGE_BLOCK_SIZE (block_size << 1) /* Preferable size of file chunk to read */ -#define TOP_SECTOR buffer -#define MID_SECTOR (buffer + SMALL_BLOCK_SIZE) -#define BOTTOM_SECTOR (buffer + (SMALL_BLOCK_SIZE << 1)) -#undef SCROLLBAR_WIDTH -#define SCROLLBAR_WIDTH rb->global_settings->scrollbar_width -#define MAX_PAGE 9999 - -#define BOOKMARK_SIZE 8 -#define MAX_BOOKMARKS 10 /* user setting bookmarks + last read page */ - -#define BOOKMARK_LAST 1 -#define BOOKMARK_USER 2 - -#ifndef HAVE_LCD_BITMAP -#define BOOKMARK_ICON "\xee\x84\x81\x00" -#endif - -#define PREFERENCES_SIZE (12 + MAX_PATH) - -/* Out-Of-Bounds test for any pointer to data in the buffer */ -#define BUFFER_OOB(p) ((p) < buffer || (p) >= buffer_end) - -/* Does the buffer contain the beginning of the file? */ -#define BUFFER_BOF() (file_pos==0) - -/* Does the buffer contain the end of the file? */ -#define BUFFER_EOF() (file_size-file_pos <= buffer_size) - -/* Formula for the endpoint address outside of buffer data */ -#define BUFFER_END() \ - ((BUFFER_EOF()) ? (file_size-file_pos+buffer) : (buffer+buffer_size)) - -/* Is the entire file being shown in one screen? */ -#define ONE_SCREEN_FITS_ALL() \ - (next_screen_ptr==NULL && screen_top_ptr==buffer && BUFFER_BOF()) - -/* Is a scrollbar called for on the current screen? */ -#define NEED_SCROLLBAR() \ - ((!(ONE_SCREEN_FITS_ALL())) && (prefs.scrollbar_mode==SB_ON)) - -/* variable button definitions */ - -/* Recorder keys */ -#if CONFIG_KEYPAD == RECORDER_PAD -#define VIEWER_QUIT BUTTON_OFF -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_F1 -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_LINE_UP (BUTTON_ON | BUTTON_UP) -#define VIEWER_LINE_DOWN (BUTTON_ON | BUTTON_DOWN) -#define VIEWER_COLUMN_LEFT (BUTTON_ON | BUTTON_LEFT) -#define VIEWER_COLUMN_RIGHT (BUTTON_ON | BUTTON_RIGHT) -#define VIEWER_BOOKMARK BUTTON_F2 - -#elif CONFIG_KEYPAD == ARCHOS_AV300_PAD -#define VIEWER_QUIT BUTTON_OFF -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_F1 -#define VIEWER_AUTOSCROLL BUTTON_SELECT -#define VIEWER_LINE_UP (BUTTON_ON | BUTTON_UP) -#define VIEWER_LINE_DOWN (BUTTON_ON | BUTTON_DOWN) -#define VIEWER_COLUMN_LEFT (BUTTON_ON | BUTTON_LEFT) -#define VIEWER_COLUMN_RIGHT (BUTTON_ON | BUTTON_RIGHT) -#define VIEWER_BOOKMARK BUTTON_F2 - -/* Ondio keys */ -#elif CONFIG_KEYPAD == ONDIO_PAD -#define VIEWER_QUIT BUTTON_OFF -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU (BUTTON_MENU|BUTTON_REPEAT) -#define VIEWER_AUTOSCROLL_PRE BUTTON_MENU -#define VIEWER_AUTOSCROLL (BUTTON_MENU|BUTTON_REL) -#define VIEWER_BOOKMARK (BUTTON_MENU|BUTTON_OFF) - -/* Player keys */ -#elif CONFIG_KEYPAD == PLAYER_PAD -#define VIEWER_QUIT BUTTON_STOP -#define VIEWER_PAGE_UP BUTTON_LEFT -#define VIEWER_PAGE_DOWN BUTTON_RIGHT -#define VIEWER_SCREEN_LEFT (BUTTON_ON|BUTTON_LEFT) -#define VIEWER_SCREEN_RIGHT (BUTTON_ON|BUTTON_RIGHT) -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_ON - -/* iRiver H1x0 && H3x0 keys */ -#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \ - (CONFIG_KEYPAD == IRIVER_H300_PAD) -#define VIEWER_QUIT BUTTON_OFF -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MODE -#define VIEWER_AUTOSCROLL BUTTON_SELECT -#define VIEWER_LINE_UP (BUTTON_ON | BUTTON_UP) -#define VIEWER_LINE_DOWN (BUTTON_ON | BUTTON_DOWN) -#define VIEWER_COLUMN_LEFT (BUTTON_ON | BUTTON_LEFT) -#define VIEWER_COLUMN_RIGHT (BUTTON_ON | BUTTON_RIGHT) -#define VIEWER_BOOKMARK (BUTTON_ON | BUTTON_SELECT) - -#define VIEWER_RC_QUIT BUTTON_RC_STOP - -/* iPods */ -#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \ - (CONFIG_KEYPAD == IPOD_3G_PAD) || \ - (CONFIG_KEYPAD == IPOD_1G2G_PAD) -#define VIEWER_QUIT_PRE BUTTON_SELECT -#define VIEWER_QUIT (BUTTON_SELECT | BUTTON_MENU) -#define VIEWER_PAGE_UP BUTTON_SCROLL_BACK -#define VIEWER_PAGE_DOWN BUTTON_SCROLL_FWD -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_SELECT - -/* iFP7xx keys */ -#elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD -#define VIEWER_QUIT BUTTON_PLAY -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MODE -#define VIEWER_AUTOSCROLL BUTTON_SELECT -#define VIEWER_BOOKMARK (BUTTON_LEFT|BUTTON_SELECT) - -/* iAudio X5 keys */ -#elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_SELECT -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_REC - -/* GIGABEAT keys */ -#elif CONFIG_KEYPAD == GIGABEAT_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_A -#define VIEWER_BOOKMARK BUTTON_SELECT - -/* Sansa E200 keys */ -#elif CONFIG_KEYPAD == SANSA_E200_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_SELECT -#define VIEWER_AUTOSCROLL BUTTON_REC -#define VIEWER_LINE_UP BUTTON_SCROLL_BACK -#define VIEWER_LINE_DOWN BUTTON_SCROLL_FWD -#define VIEWER_BOOKMARK (BUTTON_DOWN|BUTTON_SELECT) - -/* Sansa Fuze keys */ -#elif CONFIG_KEYPAD == SANSA_FUZE_PAD -#define VIEWER_QUIT (BUTTON_HOME|BUTTON_REPEAT) -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_SELECT|BUTTON_REPEAT -#define VIEWER_AUTOSCROLL BUTTON_SELECT|BUTTON_DOWN -#define VIEWER_LINE_UP BUTTON_SCROLL_BACK -#define VIEWER_LINE_DOWN BUTTON_SCROLL_FWD -#define VIEWER_BOOKMARK BUTTON_SELECT - -/* Sansa C200 keys */ -#elif CONFIG_KEYPAD == SANSA_C200_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_VOL_UP -#define VIEWER_PAGE_DOWN BUTTON_VOL_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_SELECT -#define VIEWER_AUTOSCROLL BUTTON_REC -#define VIEWER_LINE_UP BUTTON_UP -#define VIEWER_LINE_DOWN BUTTON_DOWN -#define VIEWER_BOOKMARK (BUTTON_DOWN | BUTTON_SELECT) - -/* Sansa Clip keys */ -#elif CONFIG_KEYPAD == SANSA_CLIP_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_VOL_UP -#define VIEWER_PAGE_DOWN BUTTON_VOL_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_SELECT -#define VIEWER_AUTOSCROLL BUTTON_HOME -#define VIEWER_LINE_UP BUTTON_UP -#define VIEWER_LINE_DOWN BUTTON_DOWN -#define VIEWER_BOOKMARK (BUTTON_DOWN|BUTTON_SELECT) - -/* Sansa M200 keys */ -#elif CONFIG_KEYPAD == SANSA_M200_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_VOL_UP -#define VIEWER_PAGE_DOWN BUTTON_VOL_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU (BUTTON_SELECT | BUTTON_UP) -#define VIEWER_AUTOSCROLL (BUTTON_SELECT | BUTTON_REL) -#define VIEWER_LINE_UP BUTTON_UP -#define VIEWER_LINE_DOWN BUTTON_DOWN -#define VIEWER_BOOKMARK (BUTTON_DOWN|BUTTON_SELECT) - -/* iriver H10 keys */ -#elif CONFIG_KEYPAD == IRIVER_H10_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_SCROLL_UP -#define VIEWER_PAGE_DOWN BUTTON_SCROLL_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_REW -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_FF - -/*M-Robe 500 keys */ -#elif CONFIG_KEYPAD == MROBE500_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_RC_PLAY -#define VIEWER_PAGE_DOWN BUTTON_RC_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_RC_HEART -#define VIEWER_AUTOSCROLL BUTTON_RC_MODE -#define VIEWER_BOOKMARK BUTTON_CENTER - -/*Gigabeat S keys */ -#elif CONFIG_KEYPAD == GIGABEAT_S_PAD -#define VIEWER_QUIT BUTTON_BACK -#define VIEWER_PAGE_UP BUTTON_PREV -#define VIEWER_PAGE_DOWN BUTTON_NEXT -#define VIEWER_SCREEN_LEFT (BUTTON_PLAY | BUTTON_LEFT) -#define VIEWER_SCREEN_RIGHT (BUTTON_PLAY | BUTTON_RIGHT) -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL_PRE BUTTON_PLAY -#define VIEWER_AUTOSCROLL (BUTTON_PLAY|BUTTON_REL) -#define VIEWER_LINE_UP BUTTON_UP -#define VIEWER_LINE_DOWN BUTTON_DOWN -#define VIEWER_COLUMN_LEFT BUTTON_LEFT -#define VIEWER_COLUMN_RIGHT BUTTON_RIGHT -#define VIEWER_BOOKMARK BUTTON_SELECT - -/*M-Robe 100 keys */ -#elif CONFIG_KEYPAD == MROBE100_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_DISPLAY -#define VIEWER_BOOKMARK BUTTON_SELECT - -/* iAUdio M3 keys */ -#elif CONFIG_KEYPAD == IAUDIO_M3_PAD -#define VIEWER_QUIT BUTTON_REC -#define VIEWER_PAGE_UP BUTTON_RC_VOL_UP -#define VIEWER_PAGE_DOWN BUTTON_RC_VOL_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_RC_REW -#define VIEWER_SCREEN_RIGHT BUTTON_RC_FF -#define VIEWER_MENU BUTTON_RC_MENU -#define VIEWER_AUTOSCROLL BUTTON_RC_MODE -#define VIEWER_RC_QUIT BUTTON_RC_REC -#define VIEWER_BOOKMARK BUTTON_RC_PLAY - -/* Cowon D2 keys */ -#elif CONFIG_KEYPAD == COWON_D2_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_PAGE_UP BUTTON_MINUS -#define VIEWER_PAGE_DOWN BUTTON_PLUS -#define VIEWER_BOOKMARK (BUTTON_MENU|BUTTON_PLUS) - -#elif CONFIG_KEYPAD == IAUDIO67_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_VOLUP -#define VIEWER_PAGE_DOWN BUTTON_VOLDOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_RC_QUIT BUTTON_STOP -#define VIEWER_BOOKMARK (BUTTON_LEFT|BUTTON_PLAY) - -/* Creative Zen Vision:M keys */ -#elif CONFIG_KEYPAD == CREATIVEZVM_PAD -#define VIEWER_QUIT BUTTON_BACK -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_SELECT -#define VIEWER_BOOKMARK BUTTON_PLAY - -/* Philips HDD1630 keys */ -#elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_VIEW -#define VIEWER_BOOKMARK BUTTON_SELECT - -/* Philips SA9200 keys */ -#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_PREV -#define VIEWER_SCREEN_RIGHT BUTTON_NEXT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_RIGHT - -/* Onda VX747 keys */ -#elif CONFIG_KEYPAD == ONDAVX747_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_BOOKMARK (BUTTON_RIGHT|BUTTON_POWER) - -/* Onda VX777 keys */ -#elif CONFIG_KEYPAD == ONDAVX777_PAD -#define VIEWER_QUIT BUTTON_POWER -#define VIEWER_BOOKMARK (BUTTON_RIGHT|BUTTON_POWER) - -/* SAMSUNG YH-820 / YH-920 / YH-925 keys */ -#elif CONFIG_KEYPAD == SAMSUNG_YH_PAD -#define VIEWER_QUIT BUTTON_REC -#define VIEWER_PAGE_UP BUTTON_UP -#define VIEWER_PAGE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_LEFT -#define VIEWER_SCREEN_RIGHT BUTTON_RIGHT -#define VIEWER_MENU BUTTON_PLAY -#define VIEWER_AUTOSCROLL BUTTON_REW -#define VIEWER_BOOKMARK BUTTON_FFWD - -/* Packard Bell Vibe 500 keys */ -#elif CONFIG_KEYPAD == PBELL_VIBE500_PAD -#define VIEWER_QUIT BUTTON_REC -#define VIEWER_PAGE_UP BUTTON_OK -#define VIEWER_PAGE_DOWN BUTTON_CANCEL -#define VIEWER_LINE_UP BUTTON_UP -#define VIEWER_LINE_DOWN BUTTON_DOWN -#define VIEWER_SCREEN_LEFT BUTTON_PREV -#define VIEWER_SCREEN_RIGHT BUTTON_NEXT -#define VIEWER_MENU BUTTON_MENU -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_POWER - -#elif CONFIG_KEYPAD == MPIO_HD200_PAD -#define VIEWER_QUIT (BUTTON_REC | BUTTON_PLAY) -#define VIEWER_PAGE_UP BUTTON_PREV -#define VIEWER_PAGE_DOWN BUTTON_NEXT -#define VIEWER_SCREEN_LEFT BUTTON_VOL_DOWN -#define VIEWER_SCREEN_RIGHT BUTTON_VOL_UP -#define VIEWER_MENU BUTTON_SELECT -#define VIEWER_AUTOSCROLL BUTTON_PLAY -#define VIEWER_BOOKMARK BUTTON_REC - -#else -#error No keymap defined! -#endif - -#ifdef HAVE_TOUCHSCREEN -#ifdef VIEWER_QUIT -#define VIEWER_QUIT2 BUTTON_TOPLEFT -#else -#define VIEWER_QUIT BUTTON_TOPLEFT -#endif -#ifdef VIEWER_PAGE_UP -#define VIEWER_PAGE_UP2 BUTTON_TOPMIDDLE -#else -#define VIEWER_PAGE_UP BUTTON_TOPMIDDLE -#endif -#ifdef VIEWER_PAGE_DOWN -#define VIEWER_PAGE_DOWN2 BUTTON_BOTTOMMIDDLE -#else -#define VIEWER_PAGE_DOWN BUTTON_BOTTOMMIDDLE -#endif -#ifndef VIEWER_SCREEN_LEFT -#define VIEWER_SCREEN_LEFT BUTTON_MIDLEFT -#endif -#ifndef VIEWER_SCREEN_RIGHT -#define VIEWER_SCREEN_RIGHT BUTTON_MIDRIGHT -#endif -#ifdef VIEWER_MENU -#define VIEWER_MENU2 BUTTON_TOPRIGHT -#else -#define VIEWER_MENU BUTTON_TOPRIGHT -#endif -#ifndef VIEWER_AUTOSCROLL -#define VIEWER_AUTOSCROLL BUTTON_CENTER -#endif -#endif - -/* stuff for the bookmarking */ -struct bookmark_info { - long file_position; - int page; - int line; - unsigned char flag; -}; - -struct preferences { - enum { - WRAP=0, - CHOP, - } word_mode; - - enum { - NORMAL=0, - JOIN, - EXPAND, - REFLOW, /* won't be set on charcell LCD, must be last */ - } line_mode; - - enum { - NARROW=0, - WIDE, - } view_mode; - - enum { - LEFT=0, - RIGHT, - } alignment; - - enum codepages encoding; - - enum { - SB_OFF=0, - SB_ON, - } scrollbar_mode; - bool need_scrollbar; - - enum { - NO_OVERLAP=0, - OVERLAP, - } page_mode; - - enum { - HD_NONE = 0, - HD_PATH, - HD_SBAR, - HD_BOTH, - } header_mode; - - enum { - FT_NONE = 0, - FT_PAGE, - FT_SBAR, - FT_BOTH, - } footer_mode; - - enum { - PAGE=0, - LINE, - } scroll_mode; - - int autoscroll_speed; - - unsigned char font[MAX_PATH]; -}; - -enum { - VIEWER_FONT_MENU = 0, - VIEWER_FONT_TEXT, -}; - -struct preferences prefs; -struct preferences old_prefs; - -static unsigned char *buffer; -static long buffer_size; -static long block_size = 0x1000; -static unsigned char line_break[] = {0,0x20,9,0xB,0xC,'-'}; -static int display_columns; /* number of (pixel) columns on the display */ -static int display_lines; /* number of lines on the display */ -static int draw_columns; /* number of (pixel) columns available for text */ -static int par_indent_spaces; /* number of spaces to indent first paragraph */ -static int fd; -static const char *file_name; -static long file_size; -static long start_position; /* position in the file after the viewer is started */ -static bool mac_text; -static long file_pos; /* Position of the top of the buffer in the file */ -static long last_file_pos; -static unsigned char *buffer_end; /*Set to BUFFER_END() when file_pos changes*/ -static int max_width; -static int max_columns; -static int cline = 1; -static int cpage = 1; -static int lpage = 0; -static unsigned char *screen_top_ptr; -static unsigned char *next_screen_ptr; -static unsigned char *next_screen_to_draw_ptr; -static unsigned char *next_line_ptr; -static unsigned char *last_screen_top_ptr = NULL; -#ifdef HAVE_LCD_BITMAP -static struct font *pf; -static int header_height = 0; -static int footer_height = 0; -#endif -struct bookmark_info bookmarks[MAX_BOOKMARKS]; -static int bookmark_count; - -/* UTF-8 BOM */ -#define BOM "\xef\xbb\xbf" -#define BOM_SIZE 3 - -static bool is_bom = false; - -/* We draw a diacritic char over a non-diacritic one. Therefore, such chars are - * not considered to occupy space, therefore buffers might have more than - * max_columns characters. The DIACRITIC_FACTOR is the max ratio between all - * characters and non-diacritic characters in the buffer - */ -#define DIACRITIC_FACTOR 2 - -/* calculate the width of a UCS character (zero width for diacritics) */ -static int glyph_width(unsigned short ch) -{ - if (ch == 0) - ch = ' '; - -#ifdef HAVE_LCD_BITMAP - if (rb->is_diacritic(ch, NULL)) - return 0; - - return rb->font_get_width(pf, ch); -#else - return 1; -#endif -} - -/* get UCS character from string */ -static unsigned char* get_ucs(const unsigned char* str, unsigned short* ch) -{ - unsigned char utf8_tmp[6]; - int count = 2; - - if (prefs.encoding == UTF_8) - return (unsigned char*)rb->utf8decode(str, ch); - - rb->iso_decode(str, utf8_tmp, prefs.encoding, count); - rb->utf8decode(utf8_tmp, ch); - - /* return a pointer after the parsed section of the string */ -#ifdef HAVE_LCD_BITMAP - if (prefs.encoding >= SJIS && *str >= 0x80 - && !(prefs.encoding == SJIS && *str > 0xA0 && *str < 0xE0)) - return (unsigned char*)str+2; - else -#endif - return (unsigned char*)str+1; -} - -/* decode iso string into UTF-8 string */ -static unsigned char *decode2utf8(const unsigned char *src, unsigned char *dst, - int skip_width, int disp_width) -{ - unsigned short ucs[max_columns * DIACRITIC_FACTOR + 1]; - unsigned short ch; - const unsigned char *oldstr = src; - const unsigned char *str = src; - unsigned char *utf8 = dst; - int chars = 0; - int idx = 0; - int width = max_width; - - if (prefs.alignment == LEFT) - { - /* skip the skip_width */ - if (skip_width > 0) - { - while (skip_width > 0 && *str != '\0') - { - oldstr = str; - str = get_ucs(oldstr, &ch); - skip_width -= glyph_width(ch); - } - if (skip_width < 0) - str = oldstr; - } - - /* decode until string end or disp_width reached */ - while(*str != '\0') - { - str = get_ucs(str, &ch); - disp_width -= glyph_width(ch); - if (disp_width < 0) - break; - utf8 = rb->utf8encode(ch, utf8); - } - } - else - { - while (width > 0 && *str != '\0') - { - str = get_ucs(str, &ch); - ucs[chars++] = ch; - } - ucs[chars] = 0; - - skip_width = max_width - skip_width - disp_width; - if (skip_width > 0) - { - while (skip_width > 0 && chars-- > 0) - skip_width -= glyph_width(ucs[chars]); - - if (skip_width < 0) - chars++; - } - else - { - idx = chars; - while (disp_width > 0 && idx-- > 0) - disp_width -= glyph_width(ucs[idx]); - - if (disp_width < 0 || idx < 0) - idx++; - } - - for ( ; idx < chars; idx++) - utf8 = rb->utf8encode(ucs[idx], utf8); - } - - *utf8 = '\0'; - - /* return a pointer after the dst string ends */ - return utf8; -} - -/* set max_columns and max_width */ -static void calc_max_width(void) -{ - if (prefs.view_mode == NARROW) - { - max_columns = NARROW_MAX_COLUMNS; - max_width = draw_columns; - } - else - { - max_columns = WIDE_MAX_COLUMNS; - max_width = 2 * draw_columns; - } -} - -static bool done = false; -static int col = 0; - -static inline void advance_conters(unsigned short ch, int* k, int* width) -{ -#ifdef HAVE_LCD_BITMAP - /* diacritics do not count */ - if (rb->is_diacritic(ch, NULL)) - return; -#endif - - *width += glyph_width(ch); - (*k)++; -} - -static inline bool line_is_full(int k, int width) -{ - return ((k >= max_columns - 1) || (width >= max_width)); -} - -static unsigned char* crop_at_width(const unsigned char* p) -{ - int k,width; - unsigned short ch; - const unsigned char *oldp = p; - - k=width=0; - - while (!line_is_full(k, width)) { - oldp = p; - if (BUFFER_OOB(p)) - break; - p = get_ucs(p, &ch); - advance_conters(ch, &k, &width); - } - - return (unsigned char*)oldp; -} - -static unsigned char* find_first_feed(const unsigned char* p, int size) -{ - int s = 0; - unsigned short ch; - const unsigned char *oldp = p; - const unsigned char *lbrkp = NULL; - int j; - int width = 0; - - while(s <= size) - { - if (*p == 0) - return (unsigned char*)p; - oldp = p; - p = get_ucs(p, &ch); - - if (prefs.word_mode == WRAP) - { - for (j = 0; j < ((int) sizeof(line_break)); j++) - { - if (ch == line_break[j]) - { - lbrkp = p; - break; - } - } - } - - width += glyph_width(ch); - if (width > max_width) - return (lbrkp == NULL)? (unsigned char*)oldp : (unsigned char*)lbrkp; - - s += (p - oldp); - } - - return NULL; -} - -static unsigned char* find_last_feed(const unsigned char* p, int size) -{ - int i; - - for (i=size-1; i>=0; i--) - if (p[i] == 0) - return (unsigned char*) p+i; - - return NULL; -} - -static unsigned char* find_last_space(const unsigned char* p, int size) -{ - int i, j, k; - - k = (prefs.line_mode==JOIN) || (prefs.line_mode==REFLOW) ? 0:1; - - i = size; - if (!BUFFER_OOB(&p[i])) - for (j=k; j < ((int) sizeof(line_break)) - 1; j++) { - if (p[i] == line_break[j]) - return (unsigned char*) p+i; - } - - if (prefs.word_mode == WRAP) { - for (i=size-1; i>=0; i--) { - for (j=k; j < (int) sizeof(line_break) - 1; j++) { - if (p[i] == line_break[j]) - return (unsigned char*) p+i; - } - } - } - - return NULL; -} - -static unsigned char* find_next_line(const unsigned char* cur_line, bool *is_short) -{ - const unsigned char *next_line = NULL; - int size, i, j, j_next, j_prev, k, width, search_len, spaces, newlines; - bool first_chars; - unsigned short ch; - - if (is_short != NULL) - *is_short = true; - - if BUFFER_OOB(cur_line) - return NULL; - - if (prefs.view_mode == WIDE) { - search_len = MAX_WIDTH; - } - else { /* prefs.view_mode == NARROW */ - search_len = crop_at_width(cur_line) - cur_line; - } - - size = BUFFER_OOB(cur_line+search_len) ? buffer_end-cur_line : search_len; - - if ((prefs.line_mode == JOIN) || (prefs.line_mode == REFLOW)) { - /* Need to scan ahead and possibly increase search_len and size, - or possibly set next_line at second hard return in a row. */ - next_line = NULL; - first_chars=true; - j_next=j=k=width=spaces=newlines=0; - while (1) { - const unsigned char *p, *oldp; - - j_prev = j; - j = j_next; - - if (BUFFER_OOB(cur_line+j)) - return NULL; - if (line_is_full(k, width)) { - size = search_len = j_prev; - break; - } - - oldp = p = &cur_line[j]; - p = get_ucs(p, &ch); - j_next = j + (p - oldp); - - switch (ch) { - case ' ': - if (prefs.line_mode == REFLOW) { - if (newlines > 0) { - size = j; - next_line = cur_line + size; - return (unsigned char*) next_line; - } - if (j==0) /* i=1 is intentional */ - for (i=0; i 0) { - size = j; - next_line = cur_line + size - spaces; - if (next_line != cur_line) - return (unsigned char*) next_line; - break; - } - - newlines++; - size += spaces -1; - if (BUFFER_OOB(cur_line+size) || size > 2*search_len) - return NULL; - search_len = size; - spaces = first_chars? 0:1; - break; - - default: - if (prefs.line_mode==JOIN || newlines>0) { - while (spaces) { - spaces--; - advance_conters(' ', &k, &width); - if (line_is_full(k, width)) { - size = search_len = j; - break; - } - } - newlines=0; - } else if (spaces) { - /* REFLOW, multiple spaces between words: count only - * one. If more are needed, they will be added - * while drawing. */ - search_len = size; - spaces=0; - advance_conters(' ', &k, &width); - if (line_is_full(k, width)) { - size = search_len = j; - break; - } - } - first_chars = false; - advance_conters(ch, &k, &width); - break; - } - } - } - else { - /* find first hard return */ - next_line = find_first_feed(cur_line, size); - } - - if (next_line == NULL) - if (size == search_len) { - if (prefs.word_mode == WRAP) /* Find last space */ - next_line = find_last_space(cur_line, size); - - if (next_line == NULL) { - next_line = crop_at_width(cur_line); - } - else { - if (prefs.word_mode == WRAP) { - for (i=0;i READ_PREV_ZONE) - prev_line = p = buffer; - /* (else return NULL and read previous block) */ - - /* Wrap downwards until too far, then use the one before. */ - while (p != NULL && p < cur_line) { - prev_line = p; - p = find_next_line(prev_line, NULL); - } - - if (BUFFER_OOB(prev_line)) - return NULL; - - return (unsigned char*) prev_line; -} - -static void check_bom(void) -{ - unsigned char bom[BOM_SIZE]; - off_t orig = rb->lseek(fd, 0, SEEK_CUR); - - is_bom = false; - - rb->lseek(fd, 0, SEEK_SET); - - if (rb->read(fd, bom, BOM_SIZE) == BOM_SIZE) - is_bom = !memcmp(bom, BOM, BOM_SIZE); - - rb->lseek(fd, orig, SEEK_SET); -} - -static void fill_buffer(long pos, unsigned char* buf, unsigned size) -{ - /* Read from file and preprocess the data */ - /* To minimize disk access, always read on sector boundaries */ - unsigned numread, i; - bool found_CR = false; - off_t offset = rb->lseek(fd, pos, SEEK_SET); - - if (offset == 0 && prefs.encoding == UTF_8 && is_bom) - rb->lseek(fd, BOM_SIZE, SEEK_SET); - - numread = rb->read(fd, buf, size - 1); - buf[numread] = 0; - rb->button_clear_queue(); /* clear button queue */ - - for(i = 0; i < numread; i++) { - switch(buf[i]) { - case '\r': - if (mac_text) { - buf[i] = 0; - } - else { - buf[i] = ' '; - found_CR = true; - } - break; - - case '\n': - buf[i] = 0; - found_CR = false; - break; - - case 0: /* No break between case 0 and default, intentionally */ - buf[i] = ' '; - default: - if (found_CR) { - buf[i - 1] = 0; - found_CR = false; - mac_text = true; - } - break; - } - } -} - -static int viewer_find_bookmark(int page, int line) -{ - int i; - - for (i = 0; i < bookmark_count; i++) - { - if (bookmarks[i].page == page && bookmarks[i].line == line) - return i; - } - return -1; -} - -static int read_and_synch(int direction) -{ -/* Read next (or prev) block, and reposition global pointers. */ -/* direction: 1 for down (i.e., further into file), -1 for up */ - int move_size, move_vector, offset; - unsigned char *fill_buf; - - if (direction == -1) /* up */ { - move_size = SMALL_BLOCK_SIZE; - offset = 0; - fill_buf = TOP_SECTOR; - rb->memcpy(BOTTOM_SECTOR, MID_SECTOR, SMALL_BLOCK_SIZE); - rb->memcpy(MID_SECTOR, TOP_SECTOR, SMALL_BLOCK_SIZE); - } - else /* down */ { - if (prefs.view_mode == WIDE) { - /* WIDE mode needs more buffer so we have to read smaller blocks */ - move_size = SMALL_BLOCK_SIZE; - offset = LARGE_BLOCK_SIZE; - fill_buf = BOTTOM_SECTOR; - rb->memcpy(TOP_SECTOR, MID_SECTOR, SMALL_BLOCK_SIZE); - rb->memcpy(MID_SECTOR, BOTTOM_SECTOR, SMALL_BLOCK_SIZE); - } - else { - move_size = LARGE_BLOCK_SIZE; - offset = SMALL_BLOCK_SIZE; - fill_buf = MID_SECTOR; - rb->memcpy(TOP_SECTOR, BOTTOM_SECTOR, SMALL_BLOCK_SIZE); - } - } - move_vector = direction * move_size; - screen_top_ptr -= move_vector; - file_pos += move_vector; - buffer_end = BUFFER_END(); /* Update whenever file_pos changes */ - fill_buffer(file_pos + offset, fill_buf, move_size); - return move_vector; -} - -static void get_next_line_position(unsigned char **line_begin, - unsigned char **line_end, - bool *is_short) -{ - int resynch_move; - - *line_begin = *line_end; - *line_end = find_next_line(*line_begin, is_short); - - if (*line_end == NULL && !BUFFER_EOF()) - { - resynch_move = read_and_synch(1); /* Read block & move ptrs */ - *line_begin -= resynch_move; - if (next_line_ptr > buffer) - next_line_ptr -= resynch_move; - - *line_end = find_next_line(*line_begin, is_short); - } -} - -static void increment_current_line(void) -{ - if (cline < display_lines) - cline++; - else if (cpage < MAX_PAGE) - { - cpage++; - cline = 1; - } -} - -static void decrement_current_line(void) -{ - if (cline > 1) - cline--; - else if (cpage > 1) - { - cpage--; - cline = display_lines; - } -} - -static void viewer_scroll_up(void) -{ - unsigned char *p; - - p = find_prev_line(screen_top_ptr); - if (p == NULL && !BUFFER_BOF()) { - read_and_synch(-1); - p = find_prev_line(screen_top_ptr); - } - if (p != NULL) - screen_top_ptr = p; - - decrement_current_line(); -} - -static void viewer_scroll_down(bool autoscroll) -{ - if (cpage == lpage) - return; - - if (next_line_ptr != NULL) - screen_top_ptr = next_line_ptr; - - if (prefs.scroll_mode == LINE || autoscroll) - increment_current_line(); - cline++; - if (cline > display_lines) { - cline = 1; - cpage++; - } -} - -static void viewer_scroll_to_top_line(void) -{ - int line; - - for (line = cline; line > 1; line--) - viewer_scroll_up(); -} - -#ifdef HAVE_LCD_BITMAP -static void viewer_scrollbar(void) { - int items, min_shown, max_shown, sb_begin_y, sb_height; - - items = (int) file_size; /* (SH1 int is same as long) */ - min_shown = (int) file_pos + (screen_top_ptr - buffer); - - if (next_screen_ptr == NULL) - max_shown = items; - else - max_shown = min_shown + (next_screen_ptr - screen_top_ptr); - - sb_begin_y = header_height; - sb_height = LCD_HEIGHT - header_height - footer_height; - - rb->gui_scrollbar_draw(rb->screens[SCREEN_MAIN],0, sb_begin_y, - SCROLLBAR_WIDTH-1, sb_height, - items, min_shown, max_shown, VERTICAL); -} -#endif - -#ifdef HAVE_LCD_BITMAP -static void viewer_show_header(void) -{ - if (prefs.header_mode == HD_SBAR || prefs.header_mode == HD_BOTH) - rb->gui_syncstatusbar_draw(rb->statusbars, true); - - if (prefs.header_mode == HD_PATH || prefs.header_mode == HD_BOTH) - rb->lcd_putsxy(0, header_height - pf->height, file_name); -} - -static void viewer_show_footer(void) -{ - if (prefs.footer_mode == FT_SBAR || prefs.footer_mode == FT_BOTH) - rb->gui_syncstatusbar_draw(rb->statusbars, true); - - if (prefs.footer_mode == FT_PAGE || prefs.footer_mode == FT_BOTH) - { - unsigned char buf[12]; - - if (cline == 1) - rb->snprintf(buf, sizeof(buf), "%d", cpage); - else - rb->snprintf(buf, sizeof(buf), "%d - %d", cpage, cpage+1); - - rb->lcd_putsxy(0, LCD_HEIGHT - footer_height, buf); - } -} -#endif - -static void viewer_draw(int col) -{ - int i, j, k, line_len, line_width, spaces, left_col=0; - int width, extra_spaces, indent_spaces, spaces_per_word, spaces_width, disp_width = 0; - bool multiple_spacing, line_is_short; - unsigned short ch; - unsigned char *str, *oldstr; - unsigned char *line_begin; - unsigned char *line_end; - unsigned char c; - int max_chars = max_columns * DIACRITIC_FACTOR; - unsigned char scratch_buffer[max_chars * 4 + 1]; - unsigned char utf8_buffer[max_chars * 4 + 1]; - - /* If col==-1 do all calculations but don't display */ - if (col != -1) { -#ifdef HAVE_LCD_BITMAP - left_col = prefs.need_scrollbar? SCROLLBAR_WIDTH:0; -#else - left_col = 0; -#endif - rb->lcd_clear_display(); - } - line_begin = line_end = screen_top_ptr; - - for (i = 0; i < display_lines; i++) { - if (BUFFER_OOB(line_end)) - { - if (lpage == cpage) - break; /* Happens after display last line at BUFFER_EOF() */ - - if (lpage == 0 && cline == 1) - { - lpage = cpage; - last_screen_top_ptr = screen_top_ptr; - last_file_pos = file_pos; - } - } - - get_next_line_position(&line_begin, &line_end, &line_is_short); - if (line_end == NULL) - { - if (BUFFER_OOB(line_begin)) - break; - line_end = buffer_end + 1; - } - - line_len = line_end - line_begin; - - /* calculate line_len */ - str = oldstr = line_begin; - j = -1; - while (str < line_end) { - oldstr = str; - str = crop_at_width(str); - j++; - if (oldstr == str) - { - oldstr = line_end; - break; - } - } - /* width of un-displayed part of the line */ - line_width = j*draw_columns; - spaces_width = 0; - while (oldstr < line_end) { - oldstr = get_ucs(oldstr, &ch); - /* add width of displayed part of the line */ - if (ch) - { - int dw = glyph_width(ch); - - /* avoid counting spaces at the end of the line */ - if (ch == ' ') - { - spaces_width += dw; - } - else - { - line_width += dw + spaces_width; - spaces_width = 0; - } - } - } - - if (prefs.line_mode == JOIN) { - if (line_begin[0] == 0) { - line_begin++; - if (prefs.word_mode == CHOP) - line_end++; - else - line_len--; - } - for (j=k=spaces=0; j < line_len; j++) { - if (k == max_chars) - break; - - c = line_begin[j]; - switch (c) { - case ' ': - spaces++; - break; - case 0: - spaces = 0; - scratch_buffer[k++] = ' '; - break; - default: - while (spaces) { - spaces--; - scratch_buffer[k++] = ' '; - if (k == max_chars - 1) - break; - } - scratch_buffer[k++] = c; - break; - } - } - scratch_buffer[k] = 0; - } - else if (prefs.line_mode == REFLOW) { - if (line_begin[0] == 0) { - line_begin++; - if (prefs.word_mode == CHOP) - line_end++; - else - line_len--; - } - - indent_spaces = 0; - if (!line_is_short) { - multiple_spacing = false; - width=spaces=0; - for (str = line_begin; str < line_end; ) { - str = get_ucs(str, &ch); - switch (ch) { - case 0: - case ' ': - if (str == line_begin) - { - if (prefs.word_mode == WRAP && prefs.alignment == LEFT) - { - /* special case: indent the paragraph, - * don't count spaces */ - indent_spaces = par_indent_spaces; - } - } - else if (!multiple_spacing) - spaces++; - multiple_spacing = true; - break; - default: - multiple_spacing = false; - width += glyph_width(ch); - break; - } - } - if (multiple_spacing) spaces--; - - if (spaces) { - /* total number of spaces to insert between words */ - extra_spaces = (max_width-width)/glyph_width(' ') - - indent_spaces; - /* number of spaces between each word*/ - spaces_per_word = extra_spaces / spaces; - /* number of words with n+1 spaces (to fill up) */ - extra_spaces = extra_spaces % spaces; - if (spaces_per_word > 2) { /* too much spacing is awful */ - spaces_per_word = 3; - extra_spaces = 0; - } - } else { /* this doesn't matter much... no spaces anyway */ - spaces_per_word = extra_spaces = 0; - } - } else { /* end of a paragraph: don't fill line */ - spaces_per_word = 1; - extra_spaces = 0; - } - multiple_spacing = false; - for (j=k=spaces=0; j < line_len; j++) { - if (k == max_chars) - break; - - c = line_begin[j]; - switch (c) { - case 0: - if (j == line_len - 1) - break; - case ' ': - if (j==0) { - /* indent paragraph */ - if (prefs.word_mode == WRAP && prefs.alignment == LEFT) - { - for (j=0; jmemcpy(scratch_buffer, line_begin, line_len); - scratch_buffer[line_len] = '\0'; - } - } - - /* create displayed line */ - if (col != -1) - { - decode2utf8(scratch_buffer, utf8_buffer, col, draw_columns); - rb->lcd_getstringsize(utf8_buffer, &disp_width, NULL); - } - - /* display on screen the displayed part of the line */ - if (col != -1) - { - bool in_page = (cline+i <= display_lines); - int dpage = cpage + (in_page ? 0 : 1); - int dline = cline + i - (in_page ? 0 : display_lines); - bool bflag = (viewer_find_bookmark(dpage, dline) >= 0); -#ifdef HAVE_LCD_BITMAP - int dy = i * pf->height + header_height; - int dx = (prefs.alignment == LEFT)? left_col : LCD_WIDTH - disp_width; -#endif - if (bflag) -#ifdef HAVE_LCD_BITMAP - { - rb->lcd_set_drawmode(DRMODE_BG|DRMODE_FG); - rb->lcd_fillrect(left_col, dy, LCD_WIDTH - left_col, pf->height); - rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); - } - rb->lcd_putsxy(dx, dy, utf8_buffer); - rb->lcd_set_drawmode(DRMODE_SOLID); -#else - { - rb->lcd_puts(left_col, i, BOOKMARK_ICON); - } - rb->lcd_puts(left_col+1, i, utf8_buffer); -#endif - } - - if (i == 0) - next_line_ptr = line_end; - } - next_screen_ptr = line_end; - if (BUFFER_OOB(next_screen_ptr)) - next_screen_ptr = NULL; - -#ifdef HAVE_LCD_BITMAP - next_screen_to_draw_ptr = prefs.page_mode==OVERLAP? line_begin: next_screen_ptr; - - if (prefs.need_scrollbar) - viewer_scrollbar(); -#else - next_screen_to_draw_ptr = next_screen_ptr; -#endif - -#ifdef HAVE_LCD_BITMAP - /* show header */ - viewer_show_header(); - - /* show footer */ - viewer_show_footer(); -#endif - - if (col != -1) - rb->lcd_update(); -} - -static void viewer_top(void) -{ - /* Read top of file into buffer - and point screen pointer to top */ - if (file_pos != 0) - { - rb->splash(0, "Loading..."); - - file_pos = 0; - buffer_end = BUFFER_END(); /* Update whenever file_pos changes */ - fill_buffer(0, buffer, buffer_size); - } - - screen_top_ptr = buffer; - cpage = 1; - cline = 1; -} - -static void viewer_bottom(void) -{ - unsigned char *line_begin; - unsigned char *line_end; - - rb->splash(0, "Loading..."); - - if (last_screen_top_ptr) - { - cpage = lpage; - cline = 1; - screen_top_ptr = last_screen_top_ptr; - file_pos = last_file_pos; - fill_buffer(file_pos, buffer, buffer_size); - buffer_end = BUFFER_END(); - return; - } - - line_end = screen_top_ptr; - - while (!BUFFER_EOF() || !BUFFER_OOB(line_end)) - { - get_next_line_position(&line_begin, &line_end, NULL); - if (line_end == NULL) - break; - - increment_current_line(); - if (cline == 1) - screen_top_ptr = line_end; - } - lpage = cpage; - cline = 1; - last_screen_top_ptr = screen_top_ptr; - last_file_pos = file_pos; - buffer_end = BUFFER_END(); -} - -#ifdef HAVE_LCD_BITMAP -static void init_need_scrollbar(void) { - /* Call viewer_draw in quiet mode to initialize next_screen_ptr, - and thus ONE_SCREEN_FITS_ALL(), and thus NEED_SCROLLBAR() */ - viewer_draw(-1); - prefs.need_scrollbar = NEED_SCROLLBAR(); - draw_columns = prefs.need_scrollbar? display_columns-SCROLLBAR_WIDTH : display_columns; - par_indent_spaces = draw_columns/(5*glyph_width(' ')); - calc_max_width(); -} - -static void init_header_and_footer(void) -{ - header_height = 0; - footer_height = 0; - if (rb->global_settings->statusbar == STATUSBAR_TOP) - { - if (prefs.header_mode == HD_SBAR || prefs.header_mode == HD_BOTH) - header_height = STATUSBAR_HEIGHT; - - if (prefs.footer_mode == FT_SBAR) - prefs.footer_mode = FT_NONE; - else if (prefs.footer_mode == FT_BOTH) - prefs.footer_mode = FT_PAGE; - } - else if (rb->global_settings->statusbar == STATUSBAR_BOTTOM) - { - if (prefs.footer_mode == FT_SBAR || prefs.footer_mode == FT_BOTH) - footer_height = STATUSBAR_HEIGHT; - - if (prefs.header_mode == HD_SBAR) - prefs.header_mode = HD_NONE; - else if (prefs.header_mode == HD_BOTH) - prefs.header_mode = HD_PATH; - } - else /* STATUSBAR_OFF || STATUSBAR_CUSTOM */ - { - if (prefs.header_mode == HD_SBAR) - prefs.header_mode = HD_NONE; - else if (prefs.header_mode == HD_BOTH) - prefs.header_mode = HD_PATH; - - if (prefs.footer_mode == FT_SBAR) - prefs.footer_mode = FT_NONE; - else if (prefs.footer_mode == FT_BOTH) - prefs.footer_mode = FT_PAGE; - } - - if (prefs.header_mode == HD_NONE || prefs.header_mode == HD_PATH || - prefs.footer_mode == FT_NONE || prefs.footer_mode == FT_PAGE) - rb->gui_syncstatusbar_draw(rb->statusbars, false); - - if (prefs.header_mode == HD_PATH || prefs.header_mode == HD_BOTH) - header_height += pf->height; - if (prefs.footer_mode == FT_PAGE || prefs.footer_mode == FT_BOTH) - footer_height += pf->height; - - display_lines = (LCD_HEIGHT - header_height - footer_height) / pf->height; - - lpage = 0; - last_file_pos = 0; - last_screen_top_ptr = NULL; -} - -static bool change_font(unsigned char *font) -{ - unsigned char buf[MAX_PATH]; - - if (font == NULL || *font == '\0') - return false; - - rb->snprintf(buf, MAX_PATH, "%s/%s.fnt", FONT_DIR, font); - if (rb->font_load(NULL, buf) < 0) { - rb->splash(HZ/2, "Font load failed."); - return false; - } - - return true; -} -#endif - -static bool viewer_init(void) -{ -#ifdef HAVE_LCD_BITMAP - /* initialize fonts */ - pf = rb->font_get(FONT_UI); - if (pf == NULL) - return false; - - draw_columns = display_columns = LCD_WIDTH; -#else - /* REAL fixed pitch :) all chars use up 1 cell */ - display_lines = 2; - draw_columns = display_columns = 11; - par_indent_spaces = 2; -#endif - - fd = rb->open(file_name, O_RDONLY); - if (fd < 0) - return false; - - /* Init mac_text value used in processing buffer */ - mac_text = false; - - return true; -} - -/* When a file is UTF-8 file with BOM, if prefs.encoding is UTF-8, - * then file size decreases only BOM_SIZE. - */ -static void get_filesize(void) -{ - file_size = rb->filesize(fd); - if (file_size == -1) - return; - - if (prefs.encoding == UTF_8 && is_bom) - file_size -= BOM_SIZE; -} - -static int bm_comp(const void *a, const void *b) -{ - struct bookmark_info *pa; - struct bookmark_info *pb; - - pa = (struct bookmark_info*)a; - pb = (struct bookmark_info*)b; - - if (pa->page != pb->page) - return pa->page - pb->page; - - return pa->line - pb->line; -} - -static void viewer_add_bookmark(void) -{ - if (bookmark_count >= MAX_BOOKMARKS-1) - return; - - bookmarks[bookmark_count].file_position - = file_pos + screen_top_ptr - buffer; - bookmarks[bookmark_count].page = cpage; - bookmarks[bookmark_count].line = cline; - bookmarks[bookmark_count].flag = BOOKMARK_USER; - bookmark_count++; -} - -static int viewer_add_last_read_bookmark(void) -{ - int i; - - i = viewer_find_bookmark(cpage, cline); - if (i >= 0) - bookmarks[i].flag |= BOOKMARK_LAST; - else - { - viewer_add_bookmark(); - i = bookmark_count-1; - bookmarks[i].flag = BOOKMARK_LAST; - } - return i; -} - -static void viewer_remove_bookmark(int i) -{ - int j; - - if (i < 0 || i >= bookmark_count) - return; - - for (j = i+1; j < bookmark_count; j++) - rb->memcpy(&bookmarks[j-1], &bookmarks[j], - sizeof(struct bookmark_info)); - - bookmark_count--; -} - -static void viewer_remove_last_read_bookmark(void) -{ - int i, j; - - for (i = 0; i < bookmark_count; i++) - { - if (bookmarks[i].flag & BOOKMARK_LAST) - { - if (bookmarks[i].flag == BOOKMARK_LAST) - { - for (j = i+1; j < bookmark_count; j++) - rb->memcpy(&bookmarks[j-1], &bookmarks[j], - sizeof(struct bookmark_info)); - - bookmark_count--; - } - else - bookmarks[i].flag = BOOKMARK_USER; - break; - } - } -} - -static int viewer_get_last_read_bookmark(void) -{ - int i; - - for (i = 0; i < bookmark_count; i++) - { - if (bookmarks[i].flag & BOOKMARK_LAST) - return i; - } - return -1; -} - -static void viewer_select_bookmark(int initval) -{ - int i; - int ipage = 0; - int iline = 0; - int screen_pos; - int screen_top; - int selected = -1; - - struct opt_items items[bookmark_count]; - unsigned char names[bookmark_count][38]; - - if (initval >= 0 && initval < bookmark_count) - { - ipage = bookmarks[initval].page; - iline = bookmarks[initval].line; - } - - rb->qsort(bookmarks, bookmark_count, sizeof(struct bookmark_info), - bm_comp); - - for (i = 0; i < bookmark_count; i++) - { - rb->snprintf(names[i], sizeof(names[0]), -#if CONFIG_KEYPAD != PLAYER_PAD - "%sPage: %d Line: %d", -#else - "%sP:%d L:%d", -#endif - (bookmarks[i].flag&BOOKMARK_LAST)? "*":" ", - bookmarks[i].page, - bookmarks[i].line); - items[i].string = names[i]; - items[i].voice_id = -1; - if (selected < 0 && bookmarks[i].page == ipage && bookmarks[i].line == iline) - selected = i; - } - - rb->set_option("Select bookmark", &selected, INT, items, - sizeof(items) / sizeof(items[0]), NULL); - - if (selected < 0 || selected >= bookmark_count) - { - if (initval < 0 || (selected = viewer_get_last_read_bookmark()) < 0) - { - if (initval < 0) - rb->splash(HZ, "Start the first page."); - file_pos = 0; - screen_top_ptr = buffer; - cpage = 1; - cline = 1; - buffer_end = BUFFER_END(); - return; - } - } - - screen_pos = bookmarks[selected].file_position; - screen_top = screen_pos % buffer_size; - file_pos = screen_pos - screen_top; - screen_top_ptr = buffer + screen_top; - cpage = bookmarks[selected].page; - cline = bookmarks[selected].line; - buffer_end = BUFFER_END(); -} - -static void viewer_default_preferences(void) -{ - prefs.word_mode = WRAP; - prefs.line_mode = NORMAL; - prefs.view_mode = NARROW; - prefs.alignment = LEFT; - prefs.scroll_mode = PAGE; - prefs.page_mode = NO_OVERLAP; - prefs.scrollbar_mode = SB_OFF; - rb->memset(prefs.font, 0, MAX_PATH); -#ifdef HAVE_LCD_BITMAP - prefs.header_mode = HD_BOTH; - prefs.footer_mode = FT_BOTH; - rb->snprintf(prefs.font, MAX_PATH, "%s", rb->global_settings->font_file); -#else - prefs.header_mode = HD_NONE; - prefs.footer_mode = FT_NONE; -#endif - prefs.autoscroll_speed = 1; - /* Set codepage to system default */ - prefs.encoding = rb->global_settings->default_codepage; -} - -static bool viewer_read_preferences(int pfd, int version, struct preferences *prf) -{ - unsigned char buf[PREFERENCES_SIZE]; - unsigned char *p = buf; - int read_size = PREFERENCES_SIZE; - - if (version == 0) - read_size--; - - if (rb->read(pfd, buf, read_size) != read_size) - return false; - - prf->word_mode = *p++; - prf->line_mode = *p++; - prf->view_mode = *p++; - if (version > 0) - prf->alignment = *p++; - else - prf->alignment = LEFT; - prf->encoding = *p++; - prf->scrollbar_mode = *p++; - prf->need_scrollbar = *p++; - prf->page_mode = *p++; - prf->header_mode = *p++; - prf->footer_mode = *p++; - prf->scroll_mode = *p++; - prf->autoscroll_speed = *p++; - rb->memcpy(prf->font, p, MAX_PATH); - return true; -} - -static bool viewer_write_preferences(int pfd, const struct preferences *prf) -{ - unsigned char buf[PREFERENCES_SIZE]; - unsigned char *p = buf; - - *p++ = prf->word_mode; - *p++ = prf->line_mode; - *p++ = prf->view_mode; - *p++ = prf->alignment; - *p++ = prf->encoding; - *p++ = prf->scrollbar_mode; - *p++ = prf->need_scrollbar; - *p++ = prf->page_mode; - *p++ = prf->header_mode; - *p++ = prf->footer_mode; - *p++ = prf->scroll_mode; - *p++ = prf->autoscroll_speed; - rb->memcpy(p, prf->font, MAX_PATH); - - return (rb->write(pfd, buf, sizeof(buf)) == sizeof(buf)); -} - -static bool viewer_read_bookmark_info(int bfd, struct bookmark_info *b) -{ - unsigned char buf[BOOKMARK_SIZE]; - - if (rb->read(bfd, buf, sizeof(buf)) != sizeof(buf)) - return false; - - b->file_position = (buf[0] << 24)|(buf[1] << 16)|(buf[2] << 8)|buf[3]; - b->page = (buf[4] << 8)|buf[5]; - b->line = buf[6]; - b->flag = buf[7]; - - return true; -} - -static bool viewer_read_bookmark_infos(int bfd) -{ - unsigned char c; - int i; - - if (rb->read(bfd, &c, 1) != 1) - { - bookmark_count = 0; - return false; - } - - bookmark_count = c; - if (bookmark_count > MAX_BOOKMARKS) - bookmark_count = MAX_BOOKMARKS; - - for (i = 0; i < bookmark_count; i++) - { - if (!viewer_read_bookmark_info(bfd, &bookmarks[i])) - { - bookmark_count = i; - return false; - } - } - return true; -} - -static bool viewer_write_bookmark_info(int bfd, struct bookmark_info *b) -{ - unsigned char buf[BOOKMARK_SIZE]; - unsigned char *p = buf; - unsigned long ul; - - ul = b->file_position; - *p++ = ul >> 24; - *p++ = ul >> 16; - *p++ = ul >> 8; - *p++ = ul; - - ul = b->page; - *p++ = ul >> 8; - *p++ = ul; - - *p++ = b->line; - *p = b->flag; - - return (rb->write(bfd, buf, sizeof(buf)) == sizeof(buf)); -} - -static bool viewer_write_bookmark_infos(int bfd) -{ - unsigned char c = bookmark_count; - int i; - - if (rb->write(bfd, &c, 1) != 1) - return false; - - for (i = 0; i < bookmark_count; i++) - { - if (!viewer_write_bookmark_info(bfd, &bookmarks[i])) - return false; - } - - return true; -} - -static bool viewer_load_global_settings(void) -{ - unsigned buf[GLOBAL_SETTINGS_H_SIZE]; - int sfd = rb->open(GLOBAL_SETTINGS_FILE, O_RDONLY); - int version; - bool res = false; - - if (sfd < 0) - return false; - - if ((rb->read(sfd, buf, GLOBAL_SETTINGS_H_SIZE) == GLOBAL_SETTINGS_H_SIZE) || - (rb->memcmp(buf, GLOBAL_SETTINGS_HEADER, GLOBAL_SETTINGS_H_SIZE - 1) == 0)) - { - version = buf[GLOBAL_SETTINGS_H_SIZE - 1] - GLOBAL_SETTINGS_FIRST_VERSION; - res = viewer_read_preferences(sfd, version, &prefs); - } - rb->close(sfd); - return res; -} - -static bool viewer_save_global_settings(void) -{ - int sfd = rb->open(GLOBAL_SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC, 0666); - unsigned char buf[GLOBAL_SETTINGS_H_SIZE]; - - if (sfd < 0) - return false; - - rb->memcpy(buf, GLOBAL_SETTINGS_HEADER, GLOBAL_SETTINGS_H_SIZE - 1); - buf[GLOBAL_SETTINGS_H_SIZE - 1] = GLOBAL_SETTINGS_VERSION; - - if (rb->write(sfd, buf, GLOBAL_SETTINGS_H_SIZE) != GLOBAL_SETTINGS_H_SIZE || - !viewer_write_preferences(sfd, &prefs)) - { - rb->close(sfd); - rb->remove(GLOBAL_SETTINGS_TMP_FILE); - return false; - } - rb->close(sfd); - rb->remove(GLOBAL_SETTINGS_FILE); - rb->rename(GLOBAL_SETTINGS_TMP_FILE, GLOBAL_SETTINGS_FILE); - return true; -} - -static bool viewer_convert_settings(int sfd, int dfd, int old_ver) -{ - struct preferences new_prefs; - off_t old_pos; - off_t new_pos; - unsigned char buf[MAX_PATH + 2]; - int settings_size; - - rb->read(sfd, buf, MAX_PATH + 2); - rb->write(dfd, buf, MAX_PATH + 2); - - settings_size = (buf[MAX_PATH] << 8) | buf[MAX_PATH + 1]; - - old_pos = rb->lseek(sfd, 0, SEEK_CUR); - new_pos = rb->lseek(dfd, 0, SEEK_CUR); - - /* - * when the settings size != preferences size + bookmarks size, - * settings data are considered to be old version. - */ - if (old_ver > 0 && ((settings_size - PREFERENCES_SIZE) % 8) == 0) - old_ver = 0; - - if (!viewer_read_preferences(sfd, old_ver, &new_prefs)) - return false; - - if (!viewer_write_preferences(dfd, &new_prefs)) - return false; - - settings_size -= (rb->lseek(sfd, 0, SEEK_CUR) - old_pos); - - if (settings_size > 0) - { - rb->read(sfd, buf, settings_size); - rb->write(dfd, buf, settings_size); - } - - settings_size = rb->lseek(dfd, 0, SEEK_CUR) - new_pos; - buf[0] = settings_size >> 8; - buf[1] = settings_size; - rb->lseek(dfd, new_pos - 2, SEEK_SET); - rb->write(dfd, buf, 2); - rb->lseek(dfd, settings_size, SEEK_CUR); - return true; -} - -static bool viewer_convert_settings_file(void) -{ - unsigned char buf[SETTINGS_H_SIZE+2]; - int sfd; - int tfd; - int i; - int fcount; - int version; - bool res = true; - - if ((sfd = rb->open(SETTINGS_FILE, O_RDONLY)) < 0) - return false; - - if ((tfd = rb->open(SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC, 0666)) < 0) - { - rb->close(sfd); - return false; - } - - rb->read(sfd, buf, SETTINGS_H_SIZE + 2); - - version = buf[SETTINGS_H_SIZE - 1] - SETTINGS_FIRST_VERSION; - fcount = (buf[SETTINGS_H_SIZE] << 8) | buf[SETTINGS_H_SIZE + 1]; - buf[SETTINGS_H_SIZE - 1] = SETTINGS_VERSION; - - rb->write(tfd, buf, SETTINGS_H_SIZE + 2); - - for (i = 0; i < fcount; i++) - { - if (!viewer_convert_settings(sfd, tfd, version)) - { - res = false; - break; - } - } - - rb->close(sfd); - rb->close(tfd); - - if (!res) - rb->remove(SETTINGS_TMP_FILE); - else - { - rb->remove(SETTINGS_FILE); - rb->rename(SETTINGS_TMP_FILE, SETTINGS_FILE); - } - return res; -} - -static bool viewer_load_settings(void) -{ - unsigned char buf[MAX_PATH+2]; - unsigned int fcount; - unsigned int i; - bool res = false; - int sfd; - unsigned int size; - int version; - - sfd = rb->open(SETTINGS_FILE, O_RDONLY); - if (sfd < 0) - goto read_end; - - if ((rb->read(sfd, buf, SETTINGS_H_SIZE+2) != SETTINGS_H_SIZE+2) || - rb->memcmp(buf, SETTINGS_HEADER, SETTINGS_H_SIZE - 1)) - { - /* illegal setting file */ - rb->close(sfd); - - if (rb->file_exists(SETTINGS_FILE)) - rb->remove(SETTINGS_FILE); - - goto read_end; - } - - if (buf[SETTINGS_H_SIZE - 1] != SETTINGS_VERSION) - { - rb->close(sfd); - if (!viewer_convert_settings_file()) - goto read_end; - - return viewer_load_settings(); - } - - version = buf[SETTINGS_H_SIZE - 1] - SETTINGS_FIRST_VERSION; - fcount = (buf[SETTINGS_H_SIZE] << 8) | buf[SETTINGS_H_SIZE+1]; - for (i = 0; i < fcount; i++) - { - if (rb->read(sfd, buf, MAX_PATH+2) != MAX_PATH+2) - break; - - size = (buf[MAX_PATH] << 8) | buf[MAX_PATH+1]; - - /* - * when the settings size != preferences size + bookmarks size, - * the settings file converts to the newer. - */ - if (version > 0 && ((size - PREFERENCES_SIZE) % 8) == 0) - { - rb->close(sfd); - if (!viewer_convert_settings_file()) - break; - - return viewer_load_settings(); - } - - if (rb->strcmp(buf, file_name)) - { - if (rb->lseek(sfd, size, SEEK_CUR) < 0) - break; - continue; - } - if (!viewer_read_preferences(sfd, version, &prefs)) - break; - - res = viewer_read_bookmark_infos(sfd); - break; - } - - rb->close(sfd); - -read_end: - if (!res) - { - /* load global settings */ - if (!viewer_load_global_settings()) - viewer_default_preferences(); - - file_pos = 0; - screen_top_ptr = buffer; - cpage = 1; - cline = 1; - bookmark_count = 0; - } - - rb->memcpy(&old_prefs, &prefs, sizeof(struct preferences)); - calc_max_width(); - - if (bookmark_count > 1) - viewer_select_bookmark(-1); - else if (bookmark_count == 1) - { - int screen_pos; - int screen_top; - - screen_pos = bookmarks[0].file_position; - screen_top = screen_pos % buffer_size; - file_pos = screen_pos - screen_top; - screen_top_ptr = buffer + screen_top; - cpage = bookmarks[0].page; - cline = bookmarks[0].line; - } - - viewer_remove_last_read_bookmark(); - - check_bom(); - get_filesize(); - - buffer_end = BUFFER_END(); /* Update whenever file_pos changes */ - - if (BUFFER_OOB(screen_top_ptr)) - screen_top_ptr = buffer; - - fill_buffer(file_pos, buffer, buffer_size); - if (prefs.scroll_mode == PAGE && cline > 1) - viewer_scroll_to_top_line(); - - /* remember the current position */ - start_position = file_pos + screen_top_ptr - buffer; - -#ifdef HAVE_LCD_BITMAP - /* load prefs font if it is different than the global settings font */ - if (rb->strcmp(prefs.font, rb->global_settings->font_file)) { - if (!change_font(prefs.font)) { - /* fallback by resetting prefs font to the global settings font */ - rb->memset(prefs.font, 0, MAX_PATH); - rb->snprintf(prefs.font, MAX_PATH, "%s", - rb->global_settings->font_file); - - if (!change_font(prefs.font)) - return false; - } - } - - init_need_scrollbar(); - init_header_and_footer(); -#endif - - return true; -} - -static bool copy_bookmark_file(int sfd, int dfd, off_t start, off_t size) -{ - off_t rsize; - - if (rb->lseek(sfd, start, SEEK_SET) < 0) - return false; - - while (size > 0) - { - if (size > buffer_size) - rsize = buffer_size; - else - rsize = size; - size -= rsize; - - if (rb->read(sfd, buffer, rsize) != rsize || - rb->write(dfd, buffer, rsize) != rsize) - return false; - } - return true; -} - -static bool viewer_save_settings(void) -{ - unsigned char buf[MAX_PATH+2]; - unsigned int fcount = 0; - unsigned int i; - int idx; - int ofd; - int tfd; - off_t first_copy_size = 0; - off_t second_copy_start_pos = 0; - off_t size; - - /* add reading page to bookmarks */ - idx = viewer_find_bookmark(cpage, cline); - if (idx >= 0) - bookmarks[idx].flag |= BOOKMARK_LAST; - else - { - viewer_add_bookmark(); - bookmarks[bookmark_count-1].flag = BOOKMARK_LAST; - } - - tfd = rb->open(SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC, 0666); - if (tfd < 0) - return false; - - ofd = rb->open(SETTINGS_FILE, O_RDWR); - if (ofd >= 0) - { - if ((rb->read(ofd, buf, SETTINGS_H_SIZE+2) != SETTINGS_H_SIZE+2) || - rb->memcmp(buf, SETTINGS_HEADER, SETTINGS_H_SIZE - 1)) - { - rb->close(ofd); - goto save_err; - } - - if (buf[SETTINGS_H_SIZE - 1] != SETTINGS_VERSION) - { - rb->close(ofd); - if (!viewer_convert_settings_file()) - goto save_err; - - viewer_save_settings(); - } - - fcount = (buf[SETTINGS_H_SIZE] << 8) | buf[SETTINGS_H_SIZE+1]; - - for (i = 0; i < fcount; i++) - { - if (rb->read(ofd, buf, MAX_PATH+2) != MAX_PATH+2) - { - rb->close(ofd); - goto save_err; - } - size = (buf[MAX_PATH] << 8) | buf[MAX_PATH+1]; - if (rb->strcmp(buf, file_name)) - { - if (rb->lseek(ofd, size, SEEK_CUR) < 0) - { - rb->close(ofd); - goto save_err; - } - } - else - { - first_copy_size = rb->lseek(ofd, 0, SEEK_CUR); - if (first_copy_size < 0) - { - rb->close(ofd); - goto save_err; - } - second_copy_start_pos = first_copy_size + size; - first_copy_size -= MAX_PATH+2; - fcount--; - break; - } - } - if (first_copy_size == 0) - first_copy_size = rb->filesize(ofd); - - if (!copy_bookmark_file(ofd, tfd, 0, first_copy_size)) - { - rb->close(ofd); - goto save_err; - } - if (second_copy_start_pos > 0) - { - if (!copy_bookmark_file(ofd, tfd, second_copy_start_pos, - rb->filesize(ofd) - second_copy_start_pos)) - { - rb->close(ofd); - goto save_err; - } - } - rb->close(ofd); - } - else - { - rb->memcpy(buf, SETTINGS_HEADER, SETTINGS_H_SIZE - 1); - buf[SETTINGS_H_SIZE-1] = SETTINGS_VERSION; - buf[SETTINGS_H_SIZE ] = 0; - buf[SETTINGS_H_SIZE+1] = 0; - if (rb->write(tfd, buf, SETTINGS_H_SIZE+2) != SETTINGS_H_SIZE+2) - goto save_err; - } - - /* copy to current read file's bookmarks */ - rb->memset(buf, 0, MAX_PATH); - rb->snprintf(buf, MAX_PATH, "%s", file_name); - - size = PREFERENCES_SIZE + bookmark_count * BOOKMARK_SIZE + 1; - buf[MAX_PATH] = size >> 8; - buf[MAX_PATH+1] = size; - - if (rb->write(tfd, buf, MAX_PATH+2) != MAX_PATH+2) - goto save_err; - - if (!viewer_write_preferences(tfd, &prefs)) - goto save_err; - - if (!viewer_write_bookmark_infos(tfd)) - goto save_err; - - if (rb->lseek(tfd, SETTINGS_H_SIZE, SEEK_SET) < 0) - goto save_err; - - fcount++; - buf[0] = fcount >> 8; - buf[1] = fcount; - - if (rb->write(tfd, buf, 2) != 2) - goto save_err; - - rb->close(tfd); - - rb->remove(SETTINGS_FILE); - rb->rename(SETTINGS_TMP_FILE, SETTINGS_FILE); - - return true; - -save_err: - rb->close(tfd); - rb->remove(SETTINGS_TMP_FILE); - return false; -} - -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."); - - rb->close(fd); -#ifdef HAVE_LCD_BITMAP - if (rb->strcmp(prefs.font, rb->global_settings->font_file)) - change_font(rb->global_settings->font_file); -#endif -} - -static void calc_page(void) -{ - int i; - unsigned char *line_begin; - unsigned char *line_end; - off_t sfp; - unsigned char *sstp; - - rb->splash(0, "Calculating page/line number..."); - - /* add reading page to bookmarks */ - viewer_add_last_read_bookmark(); - - rb->qsort(bookmarks, bookmark_count, sizeof(struct bookmark_info), - bm_comp); - - cpage = 1; - cline = 1; - file_pos = 0; - screen_top_ptr = buffer; - buffer_end = BUFFER_END(); - - fill_buffer(file_pos, buffer, buffer_size); - line_end = line_begin = buffer; - - /* update page and line of all bookmark */ - for (i = 0; i < bookmark_count; i++) - { - sfp = bookmarks[i].file_position; - sstp = buffer; - - while ((line_begin > sstp || sstp >= line_end) || - (file_pos > sfp || sfp >= file_pos + BUFFER_END() - buffer)) - { - get_next_line_position(&line_begin, &line_end, NULL); - if (line_end == NULL) - break; - - next_line_ptr = line_end; - - if (sstp == buffer && - file_pos <= sfp && sfp < file_pos + BUFFER_END() - buffer) - sstp = sfp - file_pos + buffer; - - increment_current_line(); - } - - decrement_current_line(); - bookmarks[i].page = cpage; - bookmarks[i].line = cline; - bookmarks[i].file_position = file_pos + (line_begin - buffer); - increment_current_line(); - } - - /* remove reading page's bookmark */ - for (i = 0; i < bookmark_count; i++) - { - if (bookmarks[i].flag & BOOKMARK_LAST) - { - int screen_pos; - int screen_top; - - screen_pos = bookmarks[i].file_position; - screen_top = screen_pos % buffer_size; - file_pos = screen_pos - screen_top; - screen_top_ptr = buffer + screen_top; - - cpage = bookmarks[i].page; - cline = bookmarks[i].line; - bookmarks[i].flag ^= BOOKMARK_LAST; - buffer_end = BUFFER_END(); - - fill_buffer(file_pos, buffer, buffer_size); - - if (bookmarks[i].flag == 0) - viewer_remove_bookmark(i); - - if (prefs.scroll_mode == PAGE && cline > 1) - viewer_scroll_to_top_line(); - break; - } - } -} - -static int col_limit(int col) -{ - if (col < 0) - col = 0; - else - if (col >= max_width - draw_columns) - col = max_width - draw_columns; - - return col; -} - -/* settings helper functions */ - -static bool encoding_setting(void) -{ - static struct opt_items names[NUM_CODEPAGES]; - int idx; - bool res; - enum codepages oldenc = prefs.encoding; - - for (idx = 0; idx < NUM_CODEPAGES; idx++) - { - names[idx].string = rb->get_codepage_name(idx); - names[idx].voice_id = -1; - } - - res = rb->set_option("Encoding", &prefs.encoding, INT, names, - sizeof(names) / sizeof(names[0]), NULL); - - /* When prefs.encoding changes into UTF-8 or changes from UTF-8, - * filesize (file_size) might change. - * In addition, if prefs.encoding is UTF-8, then BOM does not read. - */ - if (oldenc != prefs.encoding && (oldenc == UTF_8 || prefs.encoding == UTF_8)) - { - check_bom(); - get_filesize(); - fill_buffer(file_pos, buffer, buffer_size); - } - - return res; -} - -static bool word_wrap_setting(void) -{ - static const struct opt_items names[] = { - {"On", -1}, - {"Off (Chop Words)", -1}, - }; - - return rb->set_option("Word Wrap", &prefs.word_mode, INT, - names, 2, NULL); -} - -static bool line_mode_setting(void) -{ - static const struct opt_items names[] = { - {"Normal", -1}, - {"Join Lines", -1}, - {"Expand Lines", -1}, -#ifdef HAVE_LCD_BITMAP - {"Reflow Lines", -1}, -#endif - }; - - return rb->set_option("Line Mode", &prefs.line_mode, INT, names, - sizeof(names) / sizeof(names[0]), NULL); -} - -static bool view_mode_setting(void) -{ - static const struct opt_items names[] = { - {"No (Narrow)", -1}, - {"Yes", -1}, - }; - bool ret; - ret = rb->set_option("Wide View", &prefs.view_mode, INT, - names , 2, NULL); - if (prefs.view_mode == NARROW) - col = 0; - calc_max_width(); - return ret; -} - -static bool scroll_mode_setting(void) -{ - static const struct opt_items names[] = { - {"Scroll by Page", -1}, - {"Scroll by Line", -1}, - }; - - return rb->set_option("Scroll Mode", &prefs.scroll_mode, INT, - names, 2, NULL); -} - -#ifdef HAVE_LCD_BITMAP -static bool page_mode_setting(void) -{ - static const struct opt_items names[] = { - {"No", -1}, - {"Yes", -1}, - }; - - return rb->set_option("Overlap Pages", &prefs.page_mode, INT, - names, 2, NULL); -} - -static bool scrollbar_setting(void) -{ - static const struct opt_items names[] = { - {"Off", -1}, - {"On", -1} - }; - - return rb->set_option("Show Scrollbar", &prefs.scrollbar_mode, INT, - names, 2, NULL); -} - -static bool header_setting(void) -{ - int len = (rb->global_settings->statusbar == STATUSBAR_TOP)? 4 : 2; - struct opt_items names[len]; - - names[0].string = "None"; - names[0].voice_id = -1; - names[1].string = "File path"; - names[1].voice_id = -1; - - if (rb->global_settings->statusbar == STATUSBAR_TOP) - { - names[2].string = "Status bar"; - names[2].voice_id = -1; - names[3].string = "Both"; - names[3].voice_id = -1; - } - - return rb->set_option("Show Header", &prefs.header_mode, INT, - names, len, NULL); -} - -static bool footer_setting(void) -{ - int len = (rb->global_settings->statusbar == STATUSBAR_BOTTOM)? 4 : 2; - struct opt_items names[len]; - - names[0].string = "None"; - names[0].voice_id = -1; - names[1].string = "Page Num"; - names[1].voice_id = -1; - - if (rb->global_settings->statusbar == STATUSBAR_BOTTOM) - { - names[2].string = "Status bar"; - names[2].voice_id = -1; - names[3].string = "Both"; - names[3].voice_id = -1; - } - - return rb->set_option("Show Footer", &prefs.footer_mode, INT, - names, len, NULL); -} - -static int font_comp(const void *a, const void *b) -{ - struct opt_items *pa; - struct opt_items *pb; - - pa = (struct opt_items *)a; - pb = (struct opt_items *)b; - - return rb->strcmp(pa->string, pb->string); -} - -static bool font_setting(void) -{ - int count = 0; - DIR *dir; - struct dirent *entry; - int i = 0; - int len; - int new_font = 0; - int old_font; - bool res; - int size = 0; - - dir = rb->opendir(FONT_DIR); - if (!dir) - { - rb->splash(HZ/2, "Font dir is not accessible"); - return false; - } - - while (1) - { - entry = rb->readdir(dir); - - if (entry == NULL) - break; - - len = rb->strlen(entry->d_name); - if (len < 4 || rb->strcmp(entry->d_name + len-4, ".fnt")) - continue; - size += len-3; - count++; - } - rb->closedir(dir); - - struct opt_items names[count]; - unsigned char font_names[size]; - unsigned char *p = font_names; - - dir = rb->opendir(FONT_DIR); - if (!dir) - { - rb->splash(HZ/2, "Font dir is not accessible"); - return false; - } - - while (1) - { - entry = rb->readdir(dir); - - if (entry == NULL) - break; - - len = rb->strlen(entry->d_name); - if (len < 4 || rb->strcmp(entry->d_name + len-4, ".fnt")) - continue; - - rb->snprintf(p, len-3, "%s", entry->d_name); - names[i].string = p; - names[i].voice_id = -1; - p += len-3; - i++; - if (i >= count) - break; - } - rb->closedir(dir); - - rb->qsort(names, count, sizeof(struct opt_items), font_comp); - - for (i = 0; i < count; i++) - { - if (!rb->strcmp(names[i].string, prefs.font)) - { - new_font = i; - break; - } - } - old_font = new_font; - - res = rb->set_option("Select Font", &new_font, INT, - names, count, NULL); - - if (new_font != old_font) - { - /* load selected font */ - if (!change_font((unsigned char *)names[new_font].string)) { - /* revert by re-loading the preferences font */ - change_font(prefs.font); - return false; - } - rb->memset(prefs.font, 0, MAX_PATH); - rb->snprintf(prefs.font, MAX_PATH, "%s", names[new_font].string); - } - - return res; -} - -static bool alignment_setting(void) -{ - static const struct opt_items names[] = { - {"Left", -1}, - {"Right", -1}, - }; - - return rb->set_option("Alignment", &prefs.alignment, INT, - names , 2, NULL); -} -#endif - -static bool autoscroll_speed_setting(void) -{ - return rb->set_int("Auto-scroll Speed", "", UNIT_INT, - &prefs.autoscroll_speed, NULL, 1, 1, 10, NULL); -} - -MENUITEM_FUNCTION(encoding_item, 0, "Encoding", encoding_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(word_wrap_item, 0, "Word Wrap", word_wrap_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(line_mode_item, 0, "Line Mode", line_mode_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(view_mode_item, 0, "Wide View", view_mode_setting, - NULL, NULL, Icon_NOICON); -#ifdef HAVE_LCD_BITMAP -MENUITEM_FUNCTION(alignment_item, 0, "Alignment", alignment_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(scrollbar_item, 0, "Show Scrollbar", scrollbar_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(page_mode_item, 0, "Overlap Pages", page_mode_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(header_item, 0, "Show Header", header_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(footer_item, 0, "Show Footer", footer_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(font_item, 0, "Font", font_setting, - NULL, NULL, Icon_NOICON); -#endif -MENUITEM_FUNCTION(scroll_mode_item, 0, "Scroll Mode", scroll_mode_setting, - NULL, NULL, Icon_NOICON); -MENUITEM_FUNCTION(autoscroll_speed_item, 0, "Auto-Scroll Speed", - autoscroll_speed_setting, NULL, NULL, Icon_NOICON); -MAKE_MENU(option_menu, "Viewer Options", NULL, Icon_NOICON, - &encoding_item, &word_wrap_item, &line_mode_item, &view_mode_item, -#ifdef HAVE_LCD_BITMAP - &alignment_item, &scrollbar_item, &page_mode_item, &header_item, - &footer_item, &font_item, -#endif - &scroll_mode_item, &autoscroll_speed_item); - -static bool viewer_options_menu(bool is_global) -{ - bool result; - struct preferences tmp_prefs; - - rb->memcpy(&tmp_prefs, &prefs, sizeof(struct preferences)); - - result = (rb->do_menu(&option_menu, NULL, NULL, false) == MENU_ATTACHED_USB); - - if (!is_global && rb->memcmp(&tmp_prefs, &prefs, sizeof(struct preferences))) - { - /* Show-scrollbar mode for current view-width mode */ -#ifdef HAVE_LCD_BITMAP - init_need_scrollbar(); - init_header_and_footer(); -#endif - calc_page(); - } - return result; -} - -static void viewer_menu(void) -{ - int result; - - MENUITEM_STRINGLIST(menu, "Viewer Menu", NULL, - "Return", "Viewer Options", - "Show Playback Menu", "Select Bookmark", - "Global Settings", "Quit"); - - result = rb->do_menu(&menu, NULL, NULL, false); - switch (result) - { - case 0: /* return */ - break; - case 1: /* change settings */ - done = viewer_options_menu(false); - break; - case 2: /* playback control */ - playback_control(NULL); - break; - case 3: /* select bookmark */ - viewer_select_bookmark(viewer_add_last_read_bookmark()); - viewer_remove_last_read_bookmark(); - fill_buffer(file_pos, buffer, buffer_size); - if (prefs.scroll_mode == PAGE && cline > 1) - viewer_scroll_to_top_line(); - break; - case 4: /* change global settings */ - { - struct preferences orig_prefs; - - rb->memcpy(&orig_prefs, &prefs, sizeof(struct preferences)); - if (!viewer_load_global_settings()) - viewer_default_preferences(); - done = viewer_options_menu(true); - viewer_save_global_settings(); - rb->memcpy(&prefs, &orig_prefs, sizeof(struct preferences)); - } - break; - case 5: /* quit */ - viewer_exit(NULL); - done = true; - break; - } - viewer_draw(col); -} - -enum plugin_status plugin_start(const void* file) -{ - int button, i, ok; - int lastbutton = BUTTON_NONE; - bool autoscroll = false; - long old_tick; - size_t buf_size; - - old_tick = *rb->current_tick; - - /* get the plugin buffer */ - buffer = rb->plugin_get_buffer(&buf_size); - buffer_size = buf_size; - if (buffer_size == 0) - { - rb->splash(HZ, "buffer does not allocate !!"); - return PLUGIN_ERROR; - } - block_size = buffer_size / 3; - buffer_size = 3 * block_size; - - if (!file) - return PLUGIN_ERROR; - - file_name = file; - ok = viewer_init(); - if (!ok) { - rb->splash(HZ, "Error opening file."); - return PLUGIN_ERROR; - } - - if (!viewer_load_settings()) /* load the preferences and bookmark */ - return PLUGIN_ERROR; - -#if LCD_DEPTH > 1 - rb->lcd_set_backdrop(NULL); -#endif - - viewer_draw(col); - - while (!done) { - - if(autoscroll) - { - if(old_tick <= *rb->current_tick - (110-prefs.autoscroll_speed*10)) - { - viewer_scroll_down(true); - viewer_draw(col); - old_tick = *rb->current_tick; - } - } - - button = rb->button_get_w_tmo(HZ/10); - - if (prefs.view_mode != WIDE) { - /* when not in wide view mode, the SCREEN_LEFT and SCREEN_RIGHT - buttons jump to the beginning and end of the file. To stop - users doing this by accident, replace non-held occurrences - with page up/down instead. */ - if (button == VIEWER_SCREEN_LEFT) - button = VIEWER_PAGE_UP; - else if (button == VIEWER_SCREEN_RIGHT) - button = VIEWER_PAGE_DOWN; - } - - 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_PAGE_UP: - case VIEWER_PAGE_UP | BUTTON_REPEAT: -#ifdef VIEWER_PAGE_UP2 - case VIEWER_PAGE_UP2: - case VIEWER_PAGE_UP2 | BUTTON_REPEAT: -#endif - if (prefs.scroll_mode == PAGE) - { - /* Page up */ -#ifdef HAVE_LCD_BITMAP - for (i = prefs.page_mode==OVERLAP? 1:0; i < display_lines; i++) -#else - for (i = 0; i < display_lines; i++) -#endif - viewer_scroll_up(); - } - else - viewer_scroll_up(); - old_tick = *rb->current_tick; - viewer_draw(col); - break; - - case VIEWER_PAGE_DOWN: - case VIEWER_PAGE_DOWN | BUTTON_REPEAT: -#ifdef VIEWER_PAGE_DOWN2 - case VIEWER_PAGE_DOWN2: - case VIEWER_PAGE_DOWN2 | BUTTON_REPEAT: -#endif - if (prefs.scroll_mode == PAGE) - { - /* Page down */ - if (next_screen_ptr != NULL) - { - screen_top_ptr = next_screen_to_draw_ptr; - if (cpage < MAX_PAGE) - cpage++; - } - } - else - viewer_scroll_down(autoscroll); - old_tick = *rb->current_tick; - viewer_draw(col); - break; - - case VIEWER_SCREEN_LEFT: - case VIEWER_SCREEN_LEFT | BUTTON_REPEAT: - if (prefs.view_mode == WIDE) { - /* Screen left */ - col = col_limit(col - draw_columns); - } - else { /* prefs.view_mode == NARROW */ - /* Top of file */ - viewer_top(); - } - - viewer_draw(col); - break; - - case VIEWER_SCREEN_RIGHT: - case VIEWER_SCREEN_RIGHT | BUTTON_REPEAT: - if (prefs.view_mode == WIDE) { - /* Screen right */ - col = col_limit(col + draw_columns); - } - else { /* prefs.view_mode == NARROW */ - /* Bottom of file */ - viewer_bottom(); - } - - viewer_draw(col); - break; - -#ifdef VIEWER_LINE_UP - case VIEWER_LINE_UP: - case VIEWER_LINE_UP | BUTTON_REPEAT: - /* Scroll up one line */ - viewer_scroll_up(); - old_tick = *rb->current_tick; - viewer_draw(col); - break; - - case VIEWER_LINE_DOWN: - case VIEWER_LINE_DOWN | BUTTON_REPEAT: - /* Scroll down one line */ - viewer_scroll_down(autoscroll); - increment_current_line(); - old_tick = *rb->current_tick; - viewer_draw(col); - break; -#endif -#ifdef VIEWER_COLUMN_LEFT - case VIEWER_COLUMN_LEFT: - case VIEWER_COLUMN_LEFT | BUTTON_REPEAT: - if (prefs.view_mode == WIDE) { - /* Scroll left one column */ - col = col_limit(col - glyph_width('o')); - viewer_draw(col); - } - break; - - case VIEWER_COLUMN_RIGHT: - case VIEWER_COLUMN_RIGHT | BUTTON_REPEAT: - if (prefs.view_mode == WIDE) { - /* Scroll right one column */ - col = col_limit(col + glyph_width('o')); - viewer_draw(col); - } - 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: - { - int idx = viewer_find_bookmark(cpage, cline); - - if (idx < 0) - { - if (bookmark_count >= MAX_BOOKMARKS-1) - rb->splash(HZ/2, "No more bookmarks"); - else - { - viewer_add_bookmark(); - rb->splash(HZ/2, "Bookmark added"); - } - } - else - { - viewer_remove_bookmark(idx); - rb->splash(HZ/2, "Bookmark removed"); - } - viewer_draw(col); - } - 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; -} -- cgit v1.2.3