40 lines
1 KiB
C
40 lines
1 KiB
C
#include <stdlib.h>
|
|
|
|
#include "ncrswrap.h"
|
|
#include "tree.h"
|
|
#include "_ncurses.h"
|
|
|
|
int ct_init(struct ct_tree **const tree) {
|
|
/* Initialise NCurses Library & Root Node */
|
|
init_ncurses();
|
|
init_tree(tree);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
|
|
void ct_update(struct ct_tree *const tree) {
|
|
const int key = wgetch(curscr);
|
|
|
|
/* ncurses binds a SIGWINCH handler if SIGWINCH has SIG_DFL disposition
|
|
* when initscr(3x) is called. This handler emits KEY_RESIZE (decimal 410) to stdin.
|
|
* REF: manpages -> resizeterm(3x) initscr(3x) wgetch(3x)
|
|
*/
|
|
switch (key) {
|
|
case -1:
|
|
wclear(tree->root->surface->win);
|
|
mvwprintw(tree->root->surface->win, 0, 0, " \r-1\n");
|
|
wrefresh(tree->root->surface->win);
|
|
return;
|
|
case KEY_RESIZE:
|
|
resize_tree(tree, termdims());
|
|
// flush ncurses virtual screen -> physical screen
|
|
doupdate();
|
|
break;
|
|
default:
|
|
wclear(tree->root->surface->win);
|
|
mvwprintw(tree->root->surface->win, 0, 0, " \r%d\n", key);
|
|
wrefresh(tree->root->surface->win);
|
|
break;
|
|
}
|
|
}
|