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Viewer: Implement alignment option, to provide alignment of RTL text (Hebrew, Arabic) to the right

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25400 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomer Shalev 2010-03-30 17:09:04 +00:00
parent 88f76c97df
commit 4c7a16b43c
1 changed files with 27 additions and 2 deletions
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29
apps/plugins/viewer.c
View file

@ -36,6 +36,7 @@ PLUGIN_HEADER
* word_mode 1
* line_mode 1
* view_mode 1
* alignment 1
* encoding 1
* scrollbar_mode 1
* need_scrollbar 1
@ -71,6 +72,7 @@ PLUGIN_HEADER
* word_mode 1
* line_mode 1
* view_mode 1
* alignment 1
* encoding 1
* scrollbar_mode 1
* need_scrollbar 1
@ -542,6 +544,11 @@ struct preferences {
WIDE,
} view_mode;
enum {
LEFT=0,
RIGHT,
} alignment;
enum codepages encoding;
enum {
@ -1428,6 +1435,7 @@ static void viewer_draw(int col)
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 - line_width;
#endif
if (bflag)
#ifdef HAVE_LCD_BITMAP
@ -1436,7 +1444,7 @@ static void viewer_draw(int col)
rb->lcd_fillrect(left_col, dy, LCD_WIDTH, pf->height);
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
}
rb->lcd_putsxy(left_col, dy, utf8_buffer);
rb->lcd_putsxy(dx, dy, utf8_buffer);
rb->lcd_set_drawmode(DRMODE_SOLID);
#else
{
@ -1806,6 +1814,7 @@ 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;
@ -1834,6 +1843,7 @@ static bool viewer_read_preferences(int pfd)
prefs.word_mode = *p++;
prefs.line_mode = *p++;
prefs.view_mode = *p++;
prefs.alignment = *p++;
prefs.encoding = *p++;
prefs.scrollbar_mode = *p++;
prefs.need_scrollbar = *p++;
@ -1855,6 +1865,7 @@ static bool viewer_write_preferences(int pfd)
*p++ = prefs.word_mode;
*p++ = prefs.line_mode;
*p++ = prefs.view_mode;
*p++ = prefs.alignment;
*p++ = prefs.encoding;
*p++ = prefs.scrollbar_mode;
*p++ = prefs.need_scrollbar;
@ -2611,6 +2622,17 @@ static bool font_setting(void)
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)
@ -2628,6 +2650,8 @@ MENUITEM_FUNCTION(line_mode_item, 0, "Line Mode", line_mode_setting,
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,
@ -2646,7 +2670,8 @@ MENUITEM_FUNCTION(autoscroll_speed_item, 0, "Auto-Scroll Speed",
MAKE_MENU(option_menu, "Viewer Options", NULL, Icon_NOICON,
&encoding_item, &word_wrap_item, &line_mode_item, &view_mode_item,
#ifdef HAVE_LCD_BITMAP
&scrollbar_item, &page_mode_item, &header_item, &footer_item, &font_item,
&alignment_item, &scrollbar_item, &page_mode_item, &header_item,
&footer_item, &font_item,
#endif
&scroll_mode_item, &autoscroll_speed_item);