99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* c_arrow.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: alao <alao@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2017/03/10 09:04:42 by alao #+# #+# */
|
|
/* Updated: 2017/03/16 10:19:54 by gwojda ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "completion.h"
|
|
|
|
/*
|
|
** Calculate the offset id value from the current one relative to the list size.
|
|
** lst_modulo is the number in element in the last column of the list that is
|
|
** not perfectly in the same size.
|
|
*/
|
|
|
|
static int c_idsolver(t_comp *c, int ids, int ids_bk)
|
|
{
|
|
int lst_modulo;
|
|
|
|
lst_modulo = c->lst->prev->id % c->c_line;
|
|
if (lst_modulo == 0)
|
|
lst_modulo = c->c_line;
|
|
if (ids > c->lst->prev->id)
|
|
{
|
|
ids -= c->lst->prev->id;
|
|
if (ids_bk < ((c->lst->prev->id - lst_modulo) + 1))
|
|
ids = ids + lst_modulo;
|
|
else
|
|
ids = ids - (c->c_line - lst_modulo);
|
|
}
|
|
else if (ids < c->lst->id)
|
|
{
|
|
if (ids_bk <= lst_modulo)
|
|
ids = (c->lst->prev->id - lst_modulo) + ids_bk;
|
|
else
|
|
ids = c->lst->prev->id - (ids * -1) - lst_modulo;
|
|
if (ids < c->lst->id)
|
|
ids = 1;
|
|
}
|
|
return (ids);
|
|
}
|
|
|
|
/*
|
|
** Determine the movement in the list by retrieving the current id selected in
|
|
** the list and add/substract the value depending on the keypress (left/right).
|
|
** Call for c_idsolver() to adjust this value and cycle in the list to reassign
|
|
** the correct element to cursor position.
|
|
*/
|
|
|
|
static void c_arrow_multi(t_comp *c, long int keypress)
|
|
{
|
|
t_clst *ptr;
|
|
int ids;
|
|
int ids_bk;
|
|
|
|
ids = 0;
|
|
ptr = c->lst;
|
|
while (!ptr->cursor)
|
|
ptr = ptr->next;
|
|
ptr->cursor = 0;
|
|
ids = ptr->id;
|
|
ids_bk = ids;
|
|
(keypress == 4479771) ? (ids -= c->c_line) : (0);
|
|
(keypress == 4414235) ? (ids += c->c_line) : (0);
|
|
ids = c_idsolver(c, ids, ids_bk);
|
|
ptr = c->lst;
|
|
while (ptr->id != ids)
|
|
ptr = ptr->next;
|
|
ptr->cursor = 1;
|
|
}
|
|
|
|
/*
|
|
** Arrow support for moving inside the list of the completion.
|
|
** If the keypress is left/right, c_arrow_multi() is called. Else the list is
|
|
** just read until the cursor is found and the next/prev is reassigned as
|
|
** selected.
|
|
*/
|
|
|
|
void c_arrow(t_comp *c, long int keypress)
|
|
{
|
|
t_clst *ptr;
|
|
|
|
ptr = c->lst;
|
|
if (keypress == 4479771 || keypress == 4414235)
|
|
c_arrow_multi(c, keypress);
|
|
else
|
|
{
|
|
while (!ptr->cursor)
|
|
ptr = ptr->next;
|
|
ptr->cursor = 0;
|
|
(keypress == 4283163) ? (ptr->prev->cursor = 1) : (0);
|
|
(keypress == 4348699) ? (ptr->next->cursor = 1) : (0);
|
|
}
|
|
}
|