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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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2
apps/plugins/text_viewer/readme.txt
View file

@ -44,8 +44,6 @@ TODO list
- add History feature.
- when the WIDE screen, allow to specify the number of screens.
- when the line_mode is reflow, allow to specify indent spaces.
- for the horizontal scroll, allow the select scroll by screen/scroll by column for the settings menu.

8
apps/plugins/text_viewer/text_viewer.c
View file

@ -108,12 +108,12 @@ enum plugin_status plugin_start(const void* file)
case TV_SCREEN_LEFT:
case TV_SCREEN_LEFT | BUTTON_REPEAT:
if (prefs->view_mode == WIDE)
if (prefs->windows > 1)
{
/* Screen left */
tv_scroll_left(TV_HORIZONTAL_SCROLL_WINDOW);
}
else { /* prefs->view_mode == NARROW */
else { /* prefs->windows == 1 */
/* scroll to previous page */
tv_scroll_up(TV_VERTICAL_SCROLL_PAGE);
#if 0
@ -125,12 +125,12 @@ enum plugin_status plugin_start(const void* file)
case TV_SCREEN_RIGHT:
case TV_SCREEN_RIGHT | BUTTON_REPEAT:
if (prefs->view_mode == WIDE)
if (prefs->windows > 1)
{
/* Screen right */
tv_scroll_right(TV_HORIZONTAL_SCROLL_WINDOW);
}
else { /* prefs->view_mode == NARROW */
else { /* prefs->windows == 1 */
/* scroll to next page */
tv_scroll_down(TV_VERTICAL_SCROLL_PAGE);
#if 0

15
apps/plugins/text_viewer/tv_menu.c
View file

@ -69,15 +69,10 @@ static bool tv_line_mode_setting(void)
sizeof(names) / sizeof(names[0]), NULL);
}
static bool tv_view_mode_setting(void)
static bool tv_windows_setting(void)
{
static const struct opt_items names[] = {
{"No (Narrow)", -1},
{"Yes", -1},
};
return rb->set_option("Wide View", &new_prefs.view_mode, INT,
names , 2, NULL);
return rb->set_int("Screens Per Page", "", UNIT_INT,
&new_prefs.windows, NULL, 1, 1, 5, NULL);
}
static bool tv_scroll_mode_setting(void)
@ -272,7 +267,7 @@ MENUITEM_FUNCTION(word_wrap_item, 0, "Word Wrap", tv_word_wrap_setting,
NULL, NULL, Icon_NOICON);
MENUITEM_FUNCTION(line_mode_item, 0, "Line Mode", tv_line_mode_setting,
NULL, NULL, Icon_NOICON);
MENUITEM_FUNCTION(view_mode_item, 0, "Wide View", tv_view_mode_setting,
MENUITEM_FUNCTION(windows_item, 0, "Screens Per Page", tv_windows_setting,
NULL, NULL, Icon_NOICON);
MENUITEM_FUNCTION(alignment_item, 0, "Alignment", tv_alignment_setting,
NULL, NULL, Icon_NOICON);
@ -293,7 +288,7 @@ MENUITEM_FUNCTION(scroll_mode_item, 0, "Scroll Mode", tv_scroll_mode_setting,
MENUITEM_FUNCTION(autoscroll_speed_item, 0, "Auto-Scroll Speed",
tv_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,
&encoding_item, &word_wrap_item, &line_mode_item, &windows_item,
&alignment_item,
#ifdef HAVE_LCD_BITMAP
&scrollbar_item, &page_mode_item, &header_item, &footer_item, &font_item,

4
apps/plugins/text_viewer/tv_preferences.c
View file

@ -46,7 +46,7 @@ static void tv_notify_change_preferences(const struct tv_preferences *oldp,
if ((oldp == NULL) ||
(oldp->word_mode != newp->word_mode) ||
(oldp->line_mode != newp->line_mode) ||
(oldp->view_mode != newp->view_mode) ||
(oldp->windows != newp->windows) ||
(oldp->scrollbar_mode != newp->scrollbar_mode) ||
(oldp->encoding != newp->encoding) ||
#ifdef HAVE_LCD_BITMAP
@ -91,7 +91,7 @@ void tv_set_default_preferences(struct tv_preferences *p)
{
p->word_mode = WRAP;
p->line_mode = NORMAL;
p->view_mode = NARROW;
p->windows = 1;
p->alignment = LEFT;
p->scroll_mode = PAGE;
p->page_mode = NO_OVERLAP;

7
apps/plugins/text_viewer/tv_preferences.h
View file

@ -36,11 +36,6 @@ struct tv_preferences {
REFLOW,
} line_mode;
enum {
NARROW = 0,
WIDE,
} view_mode;
enum {
LEFT = 0,
RIGHT,
@ -79,6 +74,8 @@ struct tv_preferences {
int autoscroll_speed;
int windows;
unsigned char font_name[MAX_PATH];
#ifdef HAVE_LCD_BITMAP
struct font *font;

36
apps/plugins/text_viewer/tv_settings.c
View file

@ -31,12 +31,12 @@
* setting file format
*
* part byte count
* --------------------------------
* -------------------------------
* 'TVGS' 4
* version 1
* word_mode 1
* line_mode 1
* view_mode 1
* windows 1 (when version <= 0x32, this value is view_mode)
* alignment 1
* encoding 1
* scrollbar_mode 1
@ -46,6 +46,7 @@
* title_mode 1
* scroll_mode 1
* autoscroll_speed 1
* (reserved) 16
* font name MAX_PATH
*/
@ -53,7 +54,7 @@
#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
@ -63,7 +64,7 @@
* setting file format
*
* part byte count
* --------------------------------
* -----------------------------------
* 'TVS' 3
* version 1
* file count 2
@ -73,7 +74,7 @@
* [preferences]
* word_mode 1
* line_mode 1
* view_mode 1
* windows 1 (when version <= 0x33, this value is view_mode)
* alignment 1
* encoding 1
* scrollbar_mode 1
@ -83,6 +84,7 @@
* footer_mode 1
* scroll_mode 1
* autoscroll_speed 1
* (reserved) 16
* font name MAX_PATH
* bookmark count 1
* [1st 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);
}

2
apps/plugins/text_viewer/tv_text_processor.c
View file

@ -39,7 +39,7 @@ enum tv_text_type {
#define TV_MAX_CHARS_PER_BLOCK (LCD_WIDTH + 1)
#endif
#define TV_MAX_BLOCKS 2
#define TV_MAX_BLOCKS 5
/*
* number of spaces to indent first paragraph

21
apps/plugins/text_viewer/tv_window.c
View file

@ -27,8 +27,6 @@
#include "tv_text_reader.h"
#include "tv_window.h"
#define TV_WINDOWS_PER_SCREEN 2
#define TV_SCROLLBAR_WIDTH rb->global_settings->scrollbar_width
#ifndef HAVE_LCD_BITMAP
@ -48,8 +46,6 @@ static int window_width;
static int window_columns;
static int col_width;
static int max_windows;
static int cur_window;
static int cur_column;
@ -204,7 +200,7 @@ void tv_draw_window(void)
int offset = cur_column * col_width;
int size = 0;
int line_width;
int draw_width = (max_windows - cur_window) * LCD_WIDTH - offset;
int draw_width = (prefs->windows - cur_window) * LCD_WIDTH - offset;
int dx = start_width - offset;
tv_copy_screen_pos(&pos);
@ -213,7 +209,7 @@ void tv_draw_window(void)
if (prefs->alignment == LEFT)
tv_read_start(cur_window, (cur_column > 0));
else
tv_read_start(0, prefs->view_mode == WIDE);
tv_read_start(0, prefs->windows > 1);
for (line = 0; line < display_lines; line++)
{
@ -313,8 +309,7 @@ static void tv_change_preferences(const struct tv_preferences *oldp)
col_width = 1;
#endif
max_windows = (prefs->view_mode == NARROW)? 1: TV_WINDOWS_PER_SCREEN;
if (cur_window >= max_windows)
if (cur_window >= prefs->windows)
cur_window = 0;
window_width = LCD_WIDTH;
@ -322,7 +317,7 @@ static void tv_change_preferences(const struct tv_preferences *oldp)
need_scrollbar = false;
start_width = 0;
tv_seek_top();
tv_set_read_conditions(max_windows, window_width);
tv_set_read_conditions(prefs->windows, window_width);
if (tv_traverse_lines() && prefs->scrollbar_mode)
{
need_scrollbar = true;
@ -337,7 +332,7 @@ static void tv_change_preferences(const struct tv_preferences *oldp)
cur_column = 0;
tv_set_read_conditions(max_windows, window_width);
tv_set_read_conditions(prefs->windows, window_width);
}
bool tv_init_window(unsigned char *buf, size_t bufsize, size_t *used_size)
@ -365,9 +360,9 @@ void tv_move_window(int window_delta, int column_delta)
cur_window = 0;
cur_column = 0;
}
else if (cur_window >= max_windows)
else if (cur_window >= prefs->windows)
{
cur_window = max_windows - 1;
cur_window = prefs->windows - 1;
cur_column = 0;
}
@ -383,7 +378,7 @@ void tv_move_window(int window_delta, int column_delta)
}
else
{
if (cur_window == max_windows - 1)
if (cur_window == prefs->windows - 1)
cur_column = 0;
else if (cur_column >= window_columns)
{