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Go through menu_navigation_ctl for ascend/descend alphabet

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This commit is contained in:
twinaphex 2015-09-25 18:04:25 +02:00
parent 5ee616f1f5
commit f13dc6c014
3 changed files with 19 additions and 83 deletions
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5
menu/menu_entry.c
View File

@ -369,12 +369,11 @@ int menu_entry_action(menu_entry_t *entry, unsigned i, enum menu_action action)
ret = cbs->action_down(entry->type, entry->label);
break;
case MENU_ACTION_SCROLL_UP:
menu_navigation_descend_alphabet(nav, &nav->selection_ptr);
menu_navigation_ctl(MENU_NAVIGATION_CTL_DESCEND_ALPHABET, &nav->selection_ptr);
break;
case MENU_ACTION_SCROLL_DOWN:
menu_navigation_ascend_alphabet(nav, &nav->selection_ptr);
menu_navigation_ctl(MENU_NAVIGATION_CTL_ASCEND_ALPHABET, &nav->selection_ptr);
break;
case MENU_ACTION_CANCEL:
if (cbs && cbs->action_cancel)
ret = cbs->action_cancel(entry->path, entry->label, entry->type, i);

73
menu/menu_navigation.c
View File

@ -133,9 +133,16 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
case MENU_NAVIGATION_CTL_ASCEND_ALPHABET:
{
size_t *ptr_out = (size_t*)data;
if (!ptr_out)
size_t i = 0, ptr = *ptr_out;
if (!nav || !nav->scroll.indices.size || !ptr_out)
return false;
if (ptr == nav->scroll.indices.list[nav->scroll.indices.size - 1])
return false;
while (i < nav->scroll.indices.size - 1
&& nav->scroll.indices.list[i + 1] <= ptr)
i++;
*ptr_out = nav->scroll.indices.list[i + 1];
if (driver->navigation_ascend_alphabet)
driver->navigation_ascend_alphabet(ptr_out);
@ -144,10 +151,17 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
case MENU_NAVIGATION_CTL_DESCEND_ALPHABET:
{
size_t *ptr_out = (size_t*)data;
size_t i, ptr = *ptr_out;
if (!ptr_out)
if (!nav || !nav->scroll.indices.size || ptr == 0 || !ptr_out)
return false;
i = nav->scroll.indices.size - 1;
while (i && nav->scroll.indices.list[i - 1] >= ptr)
i--;
*ptr_out = nav->scroll.indices.list[i - 1];
if (driver->navigation_descend_alphabet)
driver->navigation_descend_alphabet(ptr_out);
}
@ -180,56 +194,3 @@ bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data)
return false;
}
/**
* menu_navigation_descend_alphabet:
* @ptr_out : Amount of indices to 'scroll' to get
* to the next entry.
*
* Descends alphabet.
* E.g.:
* If navigation points to an entry called 'Beta',
* navigation pointer will be set to an entry called 'Alpha'.
**/
void menu_navigation_descend_alphabet(menu_navigation_t *nav, size_t *ptr_out)
{
size_t i, ptr = *ptr_out;
if (!nav || !nav->scroll.indices.size || ptr == 0)
return;
i = nav->scroll.indices.size - 1;
while (i && nav->scroll.indices.list[i - 1] >= ptr)
i--;
*ptr_out = nav->scroll.indices.list[i - 1];
menu_navigation_ctl(MENU_NAVIGATION_CTL_DESCEND_ALPHABET, ptr_out);
}
/**
* menu_navigation_ascends_alphabet:
* @ptr_out : Amount of indices to 'scroll' to get
* to the next entry.
*
* Ascends alphabet.
* E.g.:
* If navigation points to an entry called 'Alpha',
* navigation pointer will be set to an entry called 'Beta'.
**/
void menu_navigation_ascend_alphabet(menu_navigation_t *nav, size_t *ptr_out)
{
size_t i = 0, ptr = *ptr_out;
if (!nav || !nav->scroll.indices.size)
return;
if (ptr == nav->scroll.indices.list[nav->scroll.indices.size - 1])
return;
while (i < nav->scroll.indices.size - 1
&& nav->scroll.indices.list[i + 1] <= ptr)
i++;
*ptr_out = nav->scroll.indices.list[i + 1];
menu_navigation_ctl(MENU_NAVIGATION_CTL_ASCEND_ALPHABET, ptr_out);
}

24
menu/menu_navigation.h
View File

@ -58,30 +58,6 @@ enum menu_navigation_ctl_state
MENU_NAVIGATION_CTL_SET_SCROLL_INDICES
};
/**
* menu_navigation_descend_alphabet:
* @ptr_out : Amount of indices to 'scroll' to get
* to the next entry.
*
* Descends alphabet.
* E.g.:
* If navigation points to an entry called 'Beta',
* navigation pointer will be set to an entry called 'Alpha'.
**/
void menu_navigation_descend_alphabet(menu_navigation_t *nav, size_t *ptr_out);
/**
* menu_navigation_ascends_alphabet:
* @ptr_out : Amount of indices to 'scroll' to get
* to the next entry.
*
* Ascends alphabet.
* E.g.:
* If navigation points to an entry called 'Alpha',
* navigation pointer will be set to an entry called 'Beta'.
**/
void menu_navigation_ascend_alphabet(menu_navigation_t *nav, size_t *ptr_out);
bool menu_navigation_ctl(enum menu_navigation_ctl_state state, void *data);
#ifdef __cplusplus