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(menu_navigation.c) Cleanup

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This commit is contained in:
twinaphex 2017-05-17 02:48:52 +02:00
parent e6f5270c3d
commit 5072de4c0f
1 changed files with 24 additions and 19 deletions
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43
menu/menu_navigation.c
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@ -38,23 +38,28 @@ void menu_navigation_set_selection(size_t val)
selection_ptr = val;
}
#define SCROLL_INDEX_SIZE (2 * (26 + 2) + 1)
bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
{
unsigned i;
/* Quick jumping indices with L/R.
* Rebuilt when parsing directory. */
static struct scroll_indices
{
size_t list[2 * (26 + 2) + 1];
unsigned size;
} scroll_index;
static size_t scroll_index_list[SCROLL_INDEX_SIZE];
static unsigned scroll_index_size = 0;
static unsigned scroll_acceleration = 0;
switch (state)
{
case MENU_NAVIGATION_CTL_DEINIT:
scroll_acceleration = 0;
selection_ptr = 0;
memset(&scroll_index, 0, sizeof(struct scroll_indices));
{
scroll_acceleration = 0;
selection_ptr = 0;
scroll_index_size = 0;
for (i = 0; i < SCROLL_INDEX_SIZE; i++)
scroll_index_list[i] = 0;
}
break;
case MENU_NAVIGATION_CTL_CLEAR:
{
@ -150,22 +155,22 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
size_t *ptr_out = (size_t*)&selection_ptr;
size_t menu_list_size = menu_entries_get_size();
if (!scroll_index.size || !ptr_out)
if (!scroll_index_size || !ptr_out)
return false;
ptr = *ptr_out;
if (ptr == scroll_index.list[scroll_index.size - 1])
if (ptr == scroll_index_list[scroll_index_size - 1])
{
*ptr_out = menu_list_size - 1;
menu_driver_ctl(RARCH_MENU_CTL_NAVIGATION_ASCEND_ALPHABET, ptr_out);
return true;
}
while (i < scroll_index.size - 1
&& scroll_index.list[i + 1] <= ptr)
while (i < scroll_index_size - 1
&& scroll_index_list[i + 1] <= ptr)
i++;
*ptr_out = scroll_index.list[i + 1];
*ptr_out = scroll_index_list[i + 1];
if (*ptr_out >= menu_list_size)
*ptr_out = menu_list_size - 1;
@ -178,7 +183,7 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
size_t i = 0, ptr;
size_t *ptr_out = (size_t*)&selection_ptr;
if (!scroll_index.size || !ptr_out)
if (!scroll_index_size || !ptr_out)
return false;
ptr = *ptr_out;
@ -186,25 +191,25 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
if (ptr == 0)
return false;
i = scroll_index.size - 1;
i = scroll_index_size - 1;
while (i && scroll_index.list[i - 1] >= ptr)
while (i && scroll_index_list[i - 1] >= ptr)
i--;
*ptr_out = scroll_index.list[i - 1];
*ptr_out = scroll_index_list[i - 1];
menu_driver_ctl(
RARCH_MENU_CTL_NAVIGATION_DESCEND_ALPHABET, ptr_out);
}
break;
case MENU_NAVIGATION_CTL_CLEAR_SCROLL_INDICES:
scroll_index.size = 0;
scroll_index_size = 0;
break;
case MENU_NAVIGATION_CTL_ADD_SCROLL_INDEX:
{
size_t *sel = (size_t*)data;
if (!sel)
return false;
scroll_index.list[scroll_index.size++] = *sel;
scroll_index_list[scroll_index_size++] = *sel;
}
break;
case MENU_NAVIGATION_CTL_GET_SCROLL_ACCEL: