1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kernel.h> 3 #include "../progress.h" 4 #include "../libslang.h" 5 #include "../ui.h" 6 #include "tui.h" 7 #include "units.h" 8 #include "../browser.h" 9 10 static void __tui_progress__init(struct ui_progress *p) 11 { 12 p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1; 13 } 14 15 static int get_title(struct ui_progress *p, char *buf, size_t size) 16 { 17 char buf_cur[20]; 18 char buf_tot[20]; 19 int ret; 20 21 ret = unit_number__scnprintf(buf_cur, sizeof(buf_cur), p->curr); 22 ret += unit_number__scnprintf(buf_tot, sizeof(buf_tot), p->total); 23 24 return ret + scnprintf(buf, size, "%s [%s/%s]", 25 p->title, buf_cur, buf_tot); 26 } 27 28 static void tui_progress__update(struct ui_progress *p) 29 { 30 char buf[100], *title = (char *) p->title; 31 int bar, y; 32 /* 33 * FIXME: We should have a per UI backend way of showing progress, 34 * stdio will just show a percentage as NN%, etc. 35 */ 36 if (use_browser <= 0) 37 return; 38 39 if (p->total == 0) 40 return; 41 42 if (p->size) { 43 get_title(p, buf, sizeof(buf)); 44 title = buf; 45 } 46 47 ui__refresh_dimensions(false); 48 mutex_lock(&ui__lock); 49 y = SLtt_Screen_Rows / 2 - 2; 50 SLsmg_set_color(0); 51 SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); 52 SLsmg_gotorc(y++, 1); 53 SLsmg_write_string(title); 54 SLsmg_fill_region(y, 1, 1, SLtt_Screen_Cols - 2, ' '); 55 SLsmg_set_color(HE_COLORSET_SELECTED); 56 bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total; 57 SLsmg_fill_region(y, 1, 1, bar, ' '); 58 SLsmg_refresh(); 59 mutex_unlock(&ui__lock); 60 } 61 62 static void tui_progress__finish(void) 63 { 64 int y; 65 66 if (use_browser <= 0) 67 return; 68 69 ui__refresh_dimensions(false); 70 mutex_lock(&ui__lock); 71 y = SLtt_Screen_Rows / 2 - 2; 72 SLsmg_set_color(0); 73 SLsmg_fill_region(y, 0, 3, SLtt_Screen_Cols, ' '); 74 SLsmg_refresh(); 75 mutex_unlock(&ui__lock); 76 } 77 78 static struct ui_progress_ops tui_progress__ops = { 79 .init = __tui_progress__init, 80 .update = tui_progress__update, 81 .finish = tui_progress__finish, 82 }; 83 84 void tui_progress__init(void) 85 { 86 ui_progress__ops = &tui_progress__ops; 87 } 88