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Add viewport capabilities to all the LCD drivers, and adapt scrolling code. This is the firmware/ part of FS#8385 - the changes to the WPS code still need more work and will be committed at a later date. NOTE: There are no user-visible changes with this commit - just the infrastructure.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16018 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2008-01-07 20:34:11 +00:00
parent 2a8f39820b
commit 945c8a221a
12 changed files with 1475 additions and 665 deletions

View file

@ -82,6 +82,40 @@ void lcd_stop_scroll(void)
lcd_scroll_info.lines = 0;
}
/* Stop scrolling line y in the specified viewport, or all lines if y < 0 */
void lcd_scroll_stop_line(struct viewport* current_vp, int y)
{
int i = 0;
while (i < lcd_scroll_info.lines)
{
if ((lcd_scroll_info.scroll[i].vp == current_vp) &&
((y < 0) || (lcd_scroll_info.scroll[i].y == y)))
{
/* If i is not the last active line in the array, then move
the last item to position i */
if ((i + 1) != lcd_scroll_info.lines)
{
lcd_scroll_info.scroll[i] = lcd_scroll_info.scroll[lcd_scroll_info.lines-1];
}
lcd_scroll_info.lines--;
/* A line can only appear once, so we're done. */
return ;
}
else
{
i++;
}
}
}
/* Stop all scrolling lines in the specified viewport */
void lcd_scroll_stop(struct viewport* vp)
{
lcd_scroll_stop_line(vp, -1);
}
void lcd_scroll_speed(int speed)
{
lcd_scroll_info.ticks = scroll_tick_table[speed];
@ -122,6 +156,40 @@ void lcd_remote_stop_scroll(void)
lcd_remote_scroll_info.lines = 0;
}
/* Stop scrolling line y in the specified viewport, or all lines if y < 0 */
void lcd_remote_scroll_stop_line(struct viewport* current_vp, int y)
{
int i = 0;
while (i < lcd_remote_scroll_info.lines)
{
if ((lcd_remote_scroll_info.scroll[i].vp == current_vp) &&
((y < 0) || (lcd_remote_scroll_info.scroll[i].y == y)))
{
/* If i is not the last active line in the array, then move
the last item to position i */
if ((i + 1) != lcd_remote_scroll_info.lines)
{
lcd_remote_scroll_info.scroll[i] = lcd_remote_scroll_info.scroll[lcd_remote_scroll_info.lines-1];
}
lcd_remote_scroll_info.lines--;
/* A line can only appear once, so we're done. */
return ;
}
else
{
i++;
}
}
}
/* Stop all scrolling lines in the specified viewport */
void lcd_remote_scroll_stop(struct viewport* vp)
{
lcd_remote_scroll_stop_line(vp, -1);
}
void lcd_remote_scroll_speed(int speed)
{
lcd_remote_scroll_info.ticks = scroll_tick_table[speed];