readr

Minimal RSS reader (WIP)
Log | Files | Refs | README | LICENSE

tui.c (952B)

      1 #include "tui.h"
      2 
      3 #define TB_IMPL
      4 #include "termbox2.h"
      5 
      6 int
      7 present(app_t* app)
      8 {
      9 	struct tb_event ev = { 0 };
     10 	int can_poll = -1;
     11 	int cannot_init = tb_init();
     12 
     13 	tb_hide_cursor();
     14 
     15 	if (cannot_init) {
     16 		fprintf(stderr, "could not TUI\n");
     17 		return 1;
     18 	}
     19 
     20 	render(app);
     21 
     22 	while (1) {
     23 		can_poll = tb_poll_event(&ev);
     24 
     25 		if (can_poll == TB_OK) {
     26 			switch (ev.type) {
     27 			case (TB_EVENT_KEY):
     28 
     29 				if (ev.key == TB_KEY_CTRL_Q        //
     30 					|| ev.key == TB_KEY_ESC    //
     31 					|| ev.key == TB_KEY_CTRL_C //
     32 					|| ev.ch == 'q')
     33 					goto RIP;
     34 
     35 				handle_key(app, ev);
     36 
     37 				break;
     38 			case (TB_EVENT_MOUSE):
     39 				break;
     40 			case (TB_EVENT_RESIZE):
     41 				break;
     42 			}
     43 
     44 			render(app);
     45 
     46 		} else if (can_poll == TB_ERR_POLL && tb_last_errno() == EINTR) {
     47 			continue;
     48 
     49 		} else if (can_poll != TB_ERR_NO_EVENT) {
     50 			fprintf(stderr, "(aborting) renderer error: %s\n", tb_strerror(can_poll));
     51 			goto RIP;
     52 		}
     53 	}
     54 
     55 RIP:
     56 	tb_shutdown();
     57 	printf("\n");
     58 	return 0;
     59 }