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Implemented page mode for menus

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This commit is contained in:
Klaus Schmidinger
2000-07-26 17:42:48 +02:00
parent 2260fc9615
commit 59237584e9
3 changed files with 25 additions and 5 deletions
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22
osd.c
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: osd.c 1.4 2000/04/24 09:44:31 kls Exp $
* $Id: osd.c 1.5 2000/07/26 17:35:09 kls Exp $
*/
#include "osd.h"
@@ -166,14 +166,20 @@ void cOsdMenu::CursorUp(void)
{
if (current > 0) {
DisplayCurrent(false);
if (--current < first) {
if (current == first) {
first -= MAXOSDITEMS;
if (first < 0)
first = 0;
if (current - MAXOSDITEMS > 0)
current -= MAXOSDITEMS;
else
current--;
Display();
}
else
else {
current--;
DisplayCurrent(true);
}
}
}
@@ -182,14 +188,20 @@ void cOsdMenu::CursorDown(void)
int count = Count();
if (current < count - 1) {
DisplayCurrent(false);
if (++current >= first + MAXOSDITEMS) {
if (current == first + MAXOSDITEMS - 1) {
first += MAXOSDITEMS;
if (first > count - MAXOSDITEMS)
first = count - MAXOSDITEMS;
if (current + MAXOSDITEMS < count)
current += MAXOSDITEMS;
else
current++;
Display();
}
else
else {
current++;
DisplayCurrent(true);
}
}
}