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center-scrolling: start scrolling when the cursor is at 2/3 of the screen. There is still a bug when the fontsize changes.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6678 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcoen Hirschberg 2005-06-11 17:35:30 +00:00
parent b30962f9f3
commit 7527bfb4d6
2 changed files with 15 additions and 3 deletions
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9
apps/menu.c
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@ -319,6 +319,10 @@ int menu_show(int m)
case MENU_PREV:
case MENU_PREV | BUTTON_REPEAT:
if (menus[m].cursor) {
/* keep the cursor at 1/3 of the screen */
if (menus[m].top && menus[m].cursor - menus[m].top <
menu_lines - (2 * menu_lines) / 3)
menus[m].top--;
/* move up */
put_cursor(m, menus[m].cursor-1);
}
@ -327,7 +331,6 @@ int menu_show(int m)
menus[m].top = menus[m].itemcount-(menu_lines+1);
if (menus[m].top < 0)
menus[m].top = 0;
menus[m].cursor = menus[m].itemcount-1;
put_cursor(m, menus[m].itemcount-1);
}
break;
@ -335,6 +338,10 @@ int menu_show(int m)
case MENU_NEXT:
case MENU_NEXT | BUTTON_REPEAT:
if (menus[m].cursor < menus[m].itemcount-1) {
/* keep the cursor at 2/3 of the screen */
if (menus[m].itemcount - menus[m].top > menu_lines &&
menus[m].cursor - menus[m].top >= (2 * menu_lines) / 3)
menus[m].top++;
/* move down */
put_cursor(m, menus[m].cursor+1);
}

9
apps/tree.c
View file

@ -844,7 +844,10 @@ static bool dirbrowse(void)
if (!tc.filesindir)
break;
if (tc.dircursor) {
/* start scrolling when at 1/3 of the screen */
if (tc.dircursor >=
tree_max_on_screen - (2 * tree_max_on_screen) / 3
|| (tc.dirstart == 0 && tc.dircursor > 0)) {
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, false);
tc.dircursor--;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
@ -906,7 +909,9 @@ static bool dirbrowse(void)
break;
if (tc.dircursor + tc.dirstart + 1 < numentries ) {
if(tc.dircursor+1 < tree_max_on_screen) {
/* start scrolling when at 2/3 of the screen */
if(tc.dircursor < (2 * tree_max_on_screen) / 3 ||
numentries - tc.dirstart <= tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, false);
tc.dircursor++;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);