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Function lcd_allow_bidirectictional_scrolling() implemented so we can turn it off.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3064 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Kjell Ericson 2003-01-10 13:26:12 +00:00
parent 54c8c71d85
commit 4a197ec29a
2 changed files with 11 additions and 2 deletions
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12
firmware/drivers/lcd-player.c
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@ -78,6 +78,7 @@ static char scroll_name[] = "scroll";
static char scroll_speed = 8; /* updates per second */ static char scroll_speed = 8; /* updates per second */
static int scroll_delay = HZ/2; /* delay before starting scroll */ static int scroll_delay = HZ/2; /* delay before starting scroll */
static char scroll_spacing = 3; /* spaces between end and start of text */ static char scroll_spacing = 3; /* spaces between end and start of text */
static bool allow_bidirectictional_scrolling = true;
static struct scrollinfo scroll[SCROLLABLE_LINES]; static struct scrollinfo scroll[SCROLLABLE_LINES];
@ -462,8 +463,10 @@ void lcd_puts_scroll(int x, int y, unsigned char* string )
s->direction=+1; s->direction=+1;
strncpy(s->text,string,sizeof s->text); strncpy(s->text,string,sizeof s->text);
s->turn_offset=-1; s->turn_offset=-1;
if ( s->textlen + x > 11+4) if (allow_bidirectictional_scrolling) {
s->turn_offset=s->textlen-x-11+4; if ( s->textlen + x > 11+4)
s->turn_offset=s->textlen-x-11+4;
}
for (i=0; i<scroll_spacing && s->textlen<(int)sizeof(s->text); i++) { for (i=0; i<scroll_spacing && s->textlen<(int)sizeof(s->text); i++) {
s->text[s->textlen++]=' '; s->text[s->textlen++]=' ';
@ -554,6 +557,11 @@ void lcd_scroll_resume_line(int line)
} }
} }
void lcd_allow_bidirectictional_scrolling(bool on)
{
allow_bidirectictional_scrolling=on;
}
void lcd_scroll_speed(int speed) void lcd_scroll_speed(int speed)
{ {
scroll_speed = speed; scroll_speed = speed;

1
firmware/drivers/lcd.h
View file

@ -87,6 +87,7 @@ extern void lcd_define_pattern (int which,char *pattern);
extern void lcd_double_height (bool on); extern void lcd_double_height (bool on);
unsigned char lcd_get_locked_pattern(void); unsigned char lcd_get_locked_pattern(void);
void lcd_unlock_pattern(unsigned char pat); void lcd_unlock_pattern(unsigned char pat);
void lcd_allow_bidirectictional_scrolling(bool on);
#endif #endif