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menu: don't assume onoff vars are int

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@933 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2011-09-25 12:38:21 +00:00
parent 10ef62e381
commit 4187c0ea57
2 changed files with 34 additions and 9 deletions
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38
platform/common/menu.c
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@ -1,5 +1,5 @@
/*
* (C) Gražvydas "notaz" Ignotas, 2006-2010
* (C) Gražvydas "notaz" Ignotas, 2006-2011
*
* This work is licensed under the terms of any of these licenses
* (at your option):
@ -372,6 +372,28 @@ static int me_count(const menu_entry *ent)
return ret;
}
static unsigned int me_read_onoff(const menu_entry *ent)
{
// guess var size based on mask to avoid reading too much
if (ent->mask & 0xffff0000)
return *(unsigned int *)ent->var & ent->mask;
else if (ent->mask & 0xff00)
return *(unsigned short *)ent->var & ent->mask;
else
return *(unsigned char *)ent->var & ent->mask;
}
static void me_toggle_onoff(menu_entry *ent)
{
// guess var size based on mask to avoid reading too much
if (ent->mask & 0xffff0000)
*(unsigned int *)ent->var ^= ent->mask;
else if (ent->mask & 0xff00)
*(unsigned short *)ent->var ^= ent->mask;
else
*(unsigned char *)ent->var ^= ent->mask;
}
static void me_draw(const menu_entry *entries, int sel, void (*draw_more)(void))
{
const menu_entry *ent, *ent_sel = entries;
@ -477,7 +499,7 @@ static void me_draw(const menu_entry *entries, int sel, void (*draw_more)(void))
case MB_NONE:
break;
case MB_OPT_ONOFF:
text_out16(x + col2_offs, y, (*(int *)ent->var & ent->mask) ? "ON" : "OFF");
text_out16(x + col2_offs, y, me_read_onoff(ent) ? "ON" : "OFF");
break;
case MB_OPT_RANGE:
text_out16(x + col2_offs, y, "%i", *(int *)ent->var);
@ -545,7 +567,7 @@ static int me_process(menu_entry *entry, int is_next, int is_lr)
{
case MB_OPT_ONOFF:
case MB_OPT_CUSTONOFF:
*(int *)entry->var ^= entry->mask;
me_toggle_onoff(entry);
return 1;
case MB_OPT_RANGE:
case MB_OPT_CUSTRANGE:
@ -560,11 +582,11 @@ static int me_process(menu_entry *entry, int is_next, int is_lr)
names = (const char **)entry->data;
for (c = 0; names[c] != NULL; c++)
;
*(int *)entry->var += is_next ? 1 : -1;
if (*(int *)entry->var < 0)
*(int *)entry->var = 0;
if (*(int *)entry->var >= c)
*(int *)entry->var = c - 1;
*(signed char *)entry->var += is_next ? 1 : -1;
if (*(signed char *)entry->var < 0)
*(signed char *)entry->var = 0;
if (*(signed char *)entry->var >= c)
*(signed char *)entry->var = c - 1;
return 1;
default:
return 0;