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 bool tui_helpline__set; 13 14 static void tui_helpline__pop(void) 15 { 16 } 17 18 static void tui_helpline__push(const char *msg) 19 { 20 const size_t sz = sizeof(ui_helpline__current); 21 22 SLsmg_gotorc(SLtt_Screen_Rows - 1, 0); 23 SLsmg_set_color(0); 24 SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols); 25 SLsmg_refresh(); 26 strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0'; 27 } 28 29 static int tui_helpline__show(const char *format, va_list ap) 30 { 31 int ret; 32 static int backlog; 33 34 pthread_mutex_lock(&ui__lock); 35 ret = vscnprintf(ui_helpline__last_msg + backlog, 36 sizeof(ui_helpline__last_msg) - backlog, format, ap); 37 backlog += ret; 38 39 tui_helpline__set = true; 40 41 if (ui_helpline__last_msg[backlog - 1] == '\n') { 42 ui_helpline__puts(ui_helpline__last_msg); 43 SLsmg_refresh(); 44 backlog = 0; 45 } 46 pthread_mutex_unlock(&ui__lock); 47 48 return ret; 49 } 50 51 struct ui_helpline tui_helpline_fns = { 52 .pop = tui_helpline__pop, 53 .push = tui_helpline__push, 54 .show = tui_helpline__show, 55 }; 56 57 void ui_helpline__init(void) 58 { 59 helpline_fns = &tui_helpline_fns; 60 ui_helpline__puts(" "); 61 } 62