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Add MENU_NAVIGATION_CTL_SET_SCROLL_INDICES

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This commit is contained in:
twinaphex 2015-09-25 16:20:41 +02:00
parent 31f28bf6f4
commit 2a1e5e0305
3 changed files with 23 additions and 9 deletions
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21
menu/menu_displaylist.c
View File

@ -167,17 +167,18 @@ static void menu_list_build_scroll_indices(file_list_t *list)
size_t i;
int current;
bool current_is_dir;
size_t scroll_indices = 0;
menu_navigation_t *nav = menu_navigation_get_ptr();
if (!nav || !list)
return;
nav->scroll.indices.size = 0;
menu_navigation_ctl(MENU_NAVIGATION_CTL_SET_SCROLL_INDICES, &scroll_indices);
if (!list->size)
return;
nav->scroll.indices.list[nav->scroll.indices.size++] = 0;
nav->scroll.indices.list[scroll_indices++] = 0;
current = menu_list_elem_get_first_char(list, 0);
current_is_dir = menu_list_elem_is_dir(list, 0);
@ -188,12 +189,14 @@ static void menu_list_build_scroll_indices(file_list_t *list)
bool is_dir = menu_list_elem_is_dir(list, i);
if ((current_is_dir && !is_dir) || (first > current))
nav->scroll.indices.list[nav->scroll.indices.size++] = i;
nav->scroll.indices.list[scroll_indices++] = i;
current = first;
current_is_dir = is_dir;
}
menu_navigation_ctl(MENU_NAVIGATION_CTL_SET_SCROLL_INDICES, &scroll_indices);
nav->scroll.indices.list[nav->scroll.indices.size++] =
list->size - 1;
}
@ -207,19 +210,21 @@ static void menu_list_build_scroll_indices(file_list_t *list)
**/
static void menu_list_refresh(file_list_t *list)
{
size_t list_size;
menu_navigation_t *nav = menu_navigation_get_ptr();
size_t list_size, selection;
size_t scroll_indices = 0;
menu_list_t *menu_list = menu_list_get_ptr();
if (!nav || !menu_list || !list)
if (!menu_list || !list)
return;
if (!menu_navigation_ctl(MENU_NAVIGATION_CTL_GET_SELECTION, &selection))
return;
nav->scroll.indices.size = 0;
menu_navigation_ctl(MENU_NAVIGATION_CTL_SET_SCROLL_INDICES, &scroll_indices);
menu_list_build_scroll_indices(list);
list_size = menu_list_get_size(menu_list);
if ((nav->selection_ptr >= list_size) && list_size)
if ((selection >= list_size) && list_size)
{
size_t idx = list_size - 1;
bool scroll = true;

8
menu/menu_navigation.c
View File

@ -168,6 +168,14 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
nav->selection_ptr = *sel;
}
return true;
case MENU_NAVIGATION_CTL_SET_SCROLL_INDICES:
{
size_t *sel = (size_t*)data;
if (!nav || !sel)
return false;
nav->scroll.indices.size = *sel;
}
return true;
}
return false;

3
menu/menu_navigation.h
View File

@ -54,7 +54,8 @@ enum menu_navigation_ctl_state
MENU_NAVIGATION_CTL_DESCEND_ALPHABET,
MENU_NAVIGATION_CTL_ASCEND_ALPHABET,
MENU_NAVIGATION_CTL_SET_SELECTION,
MENU_NAVIGATION_CTL_GET_SELECTION
MENU_NAVIGATION_CTL_GET_SELECTION,
MENU_NAVIGATION_CTL_SET_SCROLL_INDICES
};
/**