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text viewer: can be selected the number of screens per page.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26613 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Yoshihisa Uchida 2010-06-06 08:44:27 +00:00
parent e1a0e2cd7a
commit 1445c3b8c5
8 changed files with 84 additions and 87 deletions
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112
apps/plugins/text_viewer/tv_settings.c
View file

@ -30,30 +30,31 @@
*
* 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
* (unused) 1 (for compatibility)
* page_mode 1
* page_number_mode 1
* title_mode 1
* scroll_mode 1
* autoscroll_speed 1
* font name MAX_PATH
* part byte count
* -------------------------------
* 'TVGS' 4
* version 1
* word_mode 1
* line_mode 1
* windows 1 (when version <= 0x32, this value is view_mode)
* alignment 1
* encoding 1
* scrollbar_mode 1
* (unused) 1 (for compatibility)
* page_mode 1
* page_number_mode 1
* title_mode 1
* scroll_mode 1
* autoscroll_speed 1
* (reserved) 16
* font name MAX_PATH
*/
#define VIEWER_GLOBAL_SETTINGS_FILE VIEWERS_DIR "/viewer.dat"
#define TV_GLOBAL_SETTINGS_FILE VIEWERS_DIR "/tv_global.dat"
#define TV_GLOBAL_SETTINGS_HEADER "\x54\x56\x47\x53" /* "TVGS" */
#define TV_GLOBAL_SETTINGS_VERSION 0x32
#define TV_GLOBAL_SETTINGS_VERSION 0x33
#define TV_GLOBAL_SETTINGS_HEADER_SIZE 5
#define TV_GLOBAL_SETTINGS_FIRST_VERSION 0x31
@ -62,34 +63,35 @@
*
* setting file format
*
* part byte count
* --------------------------------
* 'TVS' 3
* version 1
* file count 2
* part byte count
* -----------------------------------
* 'TVS' 3
* version 1
* file count 2
* [1st file]
* file path MAX_PATH
* next file pos 2 (prefences size + bookmark count * bookmark size + 1)
* file path MAX_PATH
* next file pos 2 (prefences size + bookmark count * bookmark size + 1)
* [preferences]
* word_mode 1
* line_mode 1
* view_mode 1
* alignment 1
* encoding 1
* scrollbar_mode 1
* (unused) 1 (for compatibility)
* page_mode 1
* header_mode 1
* footer_mode 1
* scroll_mode 1
* autoscroll_speed 1
* font name MAX_PATH
* bookmark count 1
* word_mode 1
* line_mode 1
* windows 1 (when version <= 0x33, this value is view_mode)
* alignment 1
* encoding 1
* scrollbar_mode 1
* (unused) 1 (for compatibility)
* page_mode 1
* header_mode 1
* footer_mode 1
* scroll_mode 1
* autoscroll_speed 1
* (reserved) 16
* font name MAX_PATH
* bookmark count 1
* [1st bookmark]
* file_position 4
* page 2
* line 1
* flag 1
* file_position 4
* page 2
* line 1
* flag 1
* [2nd bookmark]
* ...
* [last bookmark]
@ -104,11 +106,11 @@
#define TV_SETTINGS_TMP_FILE VIEWERS_DIR "/tv_file.tmp"
#define TV_SETTINGS_HEADER "\x54\x56\x53" /* "TVS" */
#define TV_SETTINGS_VERSION 0x33
#define TV_SETTINGS_VERSION 0x34
#define TV_SETTINGS_HEADER_SIZE 4
#define TV_SETTINGS_FIRST_VERSION 0x32
#define TV_PREFERENCES_SIZE (12 + MAX_PATH)
#define TV_PREFERENCES_SIZE (28 + MAX_PATH)
/* ----------------------------------------------------------------------------
* read/write the preferences
@ -122,18 +124,25 @@ static bool tv_read_preferences(int pfd, int version, struct tv_preferences *pre
int read_size = TV_PREFERENCES_SIZE;
if (version == 0)
read_size--;
read_size -= 17;
else if (version == 1)
read_size -= 16;
if (rb->read(pfd, buf, read_size) < 0)
return false;
prefs->word_mode = *p++;
prefs->line_mode = *p++;
prefs->view_mode = *p++;
prefs->windows = *p++;
if (version <= 1)
prefs->windows++;
if (version > 0)
prefs->alignment = *p++;
else
prefs->alignment = LEFT;
prefs->encoding = *p++;
prefs->scrollbar_mode = *p++;
/* skip need_scrollbar */
@ -143,7 +152,9 @@ static bool tv_read_preferences(int pfd, int version, struct tv_preferences *pre
prefs->footer_mode = *p++;
prefs->scroll_mode = *p++;
prefs->autoscroll_speed = *p++;
rb->memcpy(prefs->font_name, p, MAX_PATH);
rb->memcpy(prefs->font_name, buf + read_size - MAX_PATH, MAX_PATH);
#ifdef HAVE_LCD_BITMAP
prefs->font = rb->font_get(FONT_UI);
#endif
@ -158,7 +169,7 @@ static bool tv_write_preferences(int pfd, const struct tv_preferences *prefs)
*p++ = prefs->word_mode;
*p++ = prefs->line_mode;
*p++ = prefs->view_mode;
*p++ = prefs->windows;
*p++ = prefs->alignment;
*p++ = prefs->encoding;
*p++ = prefs->scrollbar_mode;
@ -169,7 +180,8 @@ static bool tv_write_preferences(int pfd, const struct tv_preferences *prefs)
*p++ = prefs->footer_mode;
*p++ = prefs->scroll_mode;
*p++ = prefs->autoscroll_speed;
rb->memcpy(p, prefs->font_name, MAX_PATH);
rb->memcpy(buf + 28, prefs->font_name, MAX_PATH);
return (rb->write(pfd, buf, TV_PREFERENCES_SIZE) >= 0);
}