1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <string.h> 4 #include <pthread.h> 5 6 #include "../../util/debug.h" 7 #include "../helpline.h" 8 #include "../ui.h" 9 #include "../libslang.h" 10 11 char ui_helpline__last_msg[1024]; 12 13 static void tui_helpline__pop(void) 14 { 15 } 16 17 static void tui_helpline__push(const char *msg) 18 { 19 const size_t sz = sizeof(ui_helpline__current); 20 21 SLsmg_gotorc(SLtt_Screen_Rows - 1, 0); 22 SLsmg_set_color(0); 23 SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols); 24 SLsmg_refresh(); 25 strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0'; 26 } 27 28 static int tui_helpline__show(const char *format, va_list ap) 29 { 30 int ret; 31 static int backlog; 32 33 pthread_mutex_lock(&ui__lock); 34 ret = vscnprintf(ui_helpline__last_msg + backlog, 35 sizeof(ui_helpline__last_msg) - backlog, format, ap); 36 backlog += ret; 37 38 if (ui_helpline__last_msg[backlog - 1] == '\n') { 39 ui_helpline__puts(ui_helpline__last_msg); 40 SLsmg_refresh(); 41 backlog = 0; 42 } 43 pthread_mutex_unlock(&ui__lock); 44 45 return ret; 46 } 47 48 struct ui_helpline tui_helpline_fns = { 49 .pop = tui_helpline__pop, 50 .push = tui_helpline__push, 51 .show = tui_helpline__show, 52 }; 53 54 void ui_helpline__init(void) 55 { 56 helpline_fns = &tui_helpline_fns; 57 ui_helpline__puts(" "); 58 } 59