1 #include "../util.h" 2 #include <signal.h> 3 #include <stdbool.h> 4 #include <string.h> 5 #include <sys/ttydefaults.h> 6 7 #include "../cache.h" 8 #include "../debug.h" 9 #include "browser.h" 10 #include "keysyms.h" 11 #include "helpline.h" 12 #include "ui.h" 13 #include "util.h" 14 #include "libslang.h" 15 16 static void ui_browser__argv_write(struct ui_browser *browser, 17 void *entry, int row) 18 { 19 char **arg = entry; 20 bool current_entry = ui_browser__is_current_entry(browser, row); 21 22 ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : 23 HE_COLORSET_NORMAL); 24 slsmg_write_nstring(*arg, browser->width); 25 } 26 27 static int popup_menu__run(struct ui_browser *menu) 28 { 29 int key; 30 31 if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0) 32 return -1; 33 34 while (1) { 35 key = ui_browser__run(menu, 0); 36 37 switch (key) { 38 case K_RIGHT: 39 case K_ENTER: 40 key = menu->index; 41 break; 42 case K_LEFT: 43 case K_ESC: 44 case 'q': 45 case CTRL('c'): 46 key = -1; 47 break; 48 default: 49 continue; 50 } 51 52 break; 53 } 54 55 ui_browser__hide(menu); 56 return key; 57 } 58 59 int ui__popup_menu(int argc, char * const argv[]) 60 { 61 struct ui_browser menu = { 62 .entries = (void *)argv, 63 .refresh = ui_browser__argv_refresh, 64 .seek = ui_browser__argv_seek, 65 .write = ui_browser__argv_write, 66 .nr_entries = argc, 67 }; 68 69 return popup_menu__run(&menu); 70 } 71 72 int ui_browser__input_window(const char *title, const char *text, char *input, 73 const char *exit_msg, int delay_secs) 74 { 75 int x, y, len, key; 76 int max_len = 60, nr_lines = 0; 77 static char buf[50]; 78 const char *t; 79 80 t = text; 81 while (1) { 82 const char *sep = strchr(t, '\n'); 83 84 if (sep == NULL) 85 sep = strchr(t, '\0'); 86 len = sep - t; 87 if (max_len < len) 88 max_len = len; 89 ++nr_lines; 90 if (*sep == '\0') 91 break; 92 t = sep + 1; 93 } 94 95 max_len += 2; 96 nr_lines += 8; 97 y = SLtt_Screen_Rows / 2 - nr_lines / 2; 98 x = SLtt_Screen_Cols / 2 - max_len / 2; 99 100 SLsmg_set_color(0); 101 SLsmg_draw_box(y, x++, nr_lines, max_len); 102 if (title) { 103 SLsmg_gotorc(y, x + 1); 104 SLsmg_write_string((char *)title); 105 } 106 SLsmg_gotorc(++y, x); 107 nr_lines -= 7; 108 max_len -= 2; 109 SLsmg_write_wrapped_string((unsigned char *)text, y, x, 110 nr_lines, max_len, 1); 111 y += nr_lines; 112 len = 5; 113 while (len--) { 114 SLsmg_gotorc(y + len - 1, x); 115 SLsmg_write_nstring((char *)" ", max_len); 116 } 117 SLsmg_draw_box(y++, x + 1, 3, max_len - 2); 118 119 SLsmg_gotorc(y + 3, x); 120 SLsmg_write_nstring((char *)exit_msg, max_len); 121 SLsmg_refresh(); 122 123 x += 2; 124 len = 0; 125 key = ui__getch(delay_secs); 126 while (key != K_TIMER && key != K_ENTER && key != K_ESC) { 127 if (key == K_BKSPC) { 128 if (len == 0) 129 goto next_key; 130 SLsmg_gotorc(y, x + --len); 131 SLsmg_write_char(' '); 132 } else { 133 buf[len] = key; 134 SLsmg_gotorc(y, x + len++); 135 SLsmg_write_char(key); 136 } 137 SLsmg_refresh(); 138 139 /* XXX more graceful overflow handling needed */ 140 if (len == sizeof(buf) - 1) { 141 ui_helpline__push("maximum size of symbol name reached!"); 142 key = K_ENTER; 143 break; 144 } 145 next_key: 146 key = ui__getch(delay_secs); 147 } 148 149 buf[len] = '\0'; 150 strncpy(input, buf, len+1); 151 return key; 152 } 153 154 int ui__question_window(const char *title, const char *text, 155 const char *exit_msg, int delay_secs) 156 { 157 int x, y; 158 int max_len = 0, nr_lines = 0; 159 const char *t; 160 161 t = text; 162 while (1) { 163 const char *sep = strchr(t, '\n'); 164 int len; 165 166 if (sep == NULL) 167 sep = strchr(t, '\0'); 168 len = sep - t; 169 if (max_len < len) 170 max_len = len; 171 ++nr_lines; 172 if (*sep == '\0') 173 break; 174 t = sep + 1; 175 } 176 177 max_len += 2; 178 nr_lines += 4; 179 y = SLtt_Screen_Rows / 2 - nr_lines / 2, 180 x = SLtt_Screen_Cols / 2 - max_len / 2; 181 182 SLsmg_set_color(0); 183 SLsmg_draw_box(y, x++, nr_lines, max_len); 184 if (title) { 185 SLsmg_gotorc(y, x + 1); 186 SLsmg_write_string((char *)title); 187 } 188 SLsmg_gotorc(++y, x); 189 nr_lines -= 2; 190 max_len -= 2; 191 SLsmg_write_wrapped_string((unsigned char *)text, y, x, 192 nr_lines, max_len, 1); 193 SLsmg_gotorc(y + nr_lines - 2, x); 194 SLsmg_write_nstring((char *)" ", max_len); 195 SLsmg_gotorc(y + nr_lines - 1, x); 196 SLsmg_write_nstring((char *)exit_msg, max_len); 197 SLsmg_refresh(); 198 return ui__getch(delay_secs); 199 } 200 201 int ui__help_window(const char *text) 202 { 203 return ui__question_window("Help", text, "Press any key...", 0); 204 } 205 206 int ui__dialog_yesno(const char *msg) 207 { 208 return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0); 209 } 210 211 int __ui__warning(const char *title, const char *format, va_list args) 212 { 213 char *s; 214 215 if (use_browser > 0 && vasprintf(&s, format, args) > 0) { 216 int key; 217 218 pthread_mutex_lock(&ui__lock); 219 key = ui__question_window(title, s, "Press any key...", 0); 220 pthread_mutex_unlock(&ui__lock); 221 free(s); 222 return key; 223 } 224 225 fprintf(stderr, "%s:\n", title); 226 vfprintf(stderr, format, args); 227 return K_ESC; 228 } 229 230 int ui__warning(const char *format, ...) 231 { 232 int key; 233 va_list args; 234 235 va_start(args, format); 236 key = __ui__warning("Warning", format, args); 237 va_end(args); 238 return key; 239 } 240 241 int ui__error(const char *format, ...) 242 { 243 int key; 244 va_list args; 245 246 va_start(args, format); 247 key = __ui__warning("Error", format, args); 248 va_end(args); 249 return key; 250 } 251