| 1 | /* |
| 2 | * |
| 3 | * |
| 4 | */ |
| 5 | |
| 6 | #include <stdlib.h> |
| 7 | #include <stdio.h> |
| 8 | #include <ctype.h> |
| 9 | #include <signal.h> |
| 10 | |
| 11 | #include <curses.h> |
| 12 | |
| 13 | #define CGIT_HELP "(q)uit, (s)hell, (j) down, (k) up" |
| 14 | #define KEY_ESC 27 |
| 15 | #define KEY_TAB 9 |
| 16 | |
| 17 | /* +------------------------------------+ |
| 18 | * |titlewin | |
| 19 | * +------------------------------------+ |
| 20 | * |mainwin | |
| 21 | * | | |
| 22 | * | | |
| 23 | * | | |
| 24 | * | | |
| 25 | * +------------------------------------+ |
| 26 | * |statuswin | |
| 27 | * +------------------------------------+ |
| 28 | */ |
| 29 | |
| 30 | WINDOW *titlewin; |
| 31 | WINDOW *mainwin; |
| 32 | WINDOW *statuswin; |
| 33 | |
| 34 | typedef void (*pipe_filter_T)(char *, int); |
| 35 | |
| 36 | FILE *pipe; |
| 37 | long pipe_lineno; |
| 38 | pipe_filter_T pipe_filter; |
| 39 | |
| 40 | /* |
| 41 | * Init and quit |
| 42 | */ |
| 43 | |
| 44 | static void |
| 45 | quit(int sig) |
| 46 | { |
| 47 | endwin(); |
| 48 | |
| 49 | /* do your non-curses wrapup here */ |
| 50 | |
| 51 | exit(0); |
| 52 | } |
| 53 | |
| 54 | static void |
| 55 | init_colors(void) |
| 56 | { |
| 57 | int bg = COLOR_BLACK; |
| 58 | |
| 59 | start_color(); |
| 60 | |
| 61 | if (use_default_colors()) |
| 62 | bg = -1; |
| 63 | |
| 64 | init_pair(COLOR_BLACK, COLOR_BLACK, bg); |
| 65 | init_pair(COLOR_GREEN, COLOR_GREEN, bg); |
| 66 | init_pair(COLOR_RED, COLOR_RED, bg); |
| 67 | init_pair(COLOR_CYAN, COLOR_CYAN, bg); |
| 68 | init_pair(COLOR_WHITE, COLOR_WHITE, bg); |
| 69 | init_pair(COLOR_MAGENTA, COLOR_MAGENTA, bg); |
| 70 | init_pair(COLOR_BLUE, COLOR_BLUE, bg); |
| 71 | init_pair(COLOR_YELLOW, COLOR_YELLOW, bg); |
| 72 | } |
| 73 | |
| 74 | static void |
| 75 | init(void) |
| 76 | { |
| 77 | int x, y; |
| 78 | |
| 79 | signal(SIGINT, quit); |
| 80 | |
| 81 | initscr(); /* initialize the curses library */ |
| 82 | nonl(); /* tell curses not to do NL->CR/NL on output */ |
| 83 | cbreak(); /* take input chars one at a time, no wait for \n */ |
| 84 | noecho(); /* don't echo input */ |
| 85 | |
| 86 | if (has_colors()) |
| 87 | init_colors(); |
| 88 | |
| 89 | getmaxyx(stdscr, y, x); |
| 90 | |
| 91 | titlewin = newwin(1, 0, 0, 0); |
| 92 | |
| 93 | wattrset(titlewin, COLOR_PAIR(COLOR_GREEN)); |
| 94 | waddch(titlewin, ACS_VLINE); |
| 95 | wprintw(titlewin, "%s", "cg-view"); |
| 96 | waddch(titlewin, ACS_LTEE); |
| 97 | whline(titlewin, ACS_HLINE, x); |
| 98 | wrefresh(titlewin); |
| 99 | |
| 100 | statuswin = newwin(1, 0, y - 1, 0); |
| 101 | |
| 102 | wattrset(statuswin, COLOR_PAIR(COLOR_GREEN)); |
| 103 | wprintw(statuswin, "%s", CGIT_HELP); |
| 104 | wrefresh(statuswin); |
| 105 | |
| 106 | mainwin = newwin(y - 2, 0, 1, 0); |
| 107 | scrollok(mainwin, TRUE); |
| 108 | keypad(mainwin, TRUE); /* enable keyboard mapping */ |
| 109 | } |
| 110 | |
| 111 | /* |
| 112 | * Pipe filters |
| 113 | */ |
| 114 | |
| 115 | #define DIFF_CMD \ |
| 116 | "git-rev-list $(git-rev-parse --since=1.month) HEAD^..HEAD | " \ |
| 117 | "git-diff-tree --stdin --pretty -r --cc --always" |
| 118 | |
| 119 | |
| 120 | #define LOG_CMD \ |
| 121 | "git-rev-list $(git-rev-parse --since=1.month) HEAD | " \ |
| 122 | "git-diff-tree --stdin --pretty -r" |
| 123 | |
| 124 | static void |
| 125 | log_filter(char *line, int lineno) |
| 126 | { |
| 127 | static int log_filter_skip; |
| 128 | |
| 129 | if (!line) { |
| 130 | wattrset(mainwin, A_NORMAL); |
| 131 | log_filter_skip = 0; |
| 132 | return; |
| 133 | } |
| 134 | |
| 135 | if (!strncmp("commit ", line, 7)) { |
| 136 | attrset(COLOR_PAIR(COLOR_GREEN)); |
| 137 | |
| 138 | } else if (!strncmp("Author: ", line, 8)) { |
| 139 | wattrset(mainwin, COLOR_PAIR(COLOR_CYAN)); |
| 140 | |
| 141 | } else if (!strncmp("Date: ", line, 6)) { |
| 142 | wattrset(mainwin, COLOR_PAIR(COLOR_YELLOW)); |
| 143 | |
| 144 | } else if (!strncmp("diff --git ", line, 11)) { |
| 145 | wattrset(mainwin, COLOR_PAIR(COLOR_YELLOW)); |
| 146 | |
| 147 | } else if (!strncmp("diff-tree ", line, 10)) { |
| 148 | wattrset(mainwin, COLOR_PAIR(COLOR_BLUE)); |
| 149 | |
| 150 | } else if (!strncmp("index ", line, 6)) { |
| 151 | wattrset(mainwin, COLOR_PAIR(COLOR_BLUE)); |
| 152 | |
| 153 | } else if (line[0] == '-') { |
| 154 | wattrset(mainwin, COLOR_PAIR(COLOR_RED)); |
| 155 | |
| 156 | } else if (line[0] == '+') { |
| 157 | wattrset(mainwin, COLOR_PAIR(COLOR_GREEN)); |
| 158 | |
| 159 | } else if (line[0] == '@') { |
| 160 | wattrset(mainwin, COLOR_PAIR(COLOR_MAGENTA)); |
| 161 | |
| 162 | } else if (line[0] == ':') { |
| 163 | log_filter_skip = 1; |
| 164 | return; |
| 165 | |
| 166 | } else if (log_filter_skip) { |
| 167 | log_filter_skip = 0; |
| 168 | return; |
| 169 | |
| 170 | } else { |
| 171 | wattrset(mainwin, A_NORMAL); |
| 172 | } |
| 173 | |
| 174 | mvwaddstr(mainwin, lineno, 0, line); |
| 175 | } |
| 176 | |
| 177 | static FILE * |
| 178 | open_pipe(char *cmd, pipe_filter_T filter) |
| 179 | { |
| 180 | pipe = popen(cmd, "r"); |
| 181 | pipe_lineno = 1; |
| 182 | pipe_filter = filter; |
| 183 | return pipe; |
| 184 | } |
| 185 | |
| 186 | static void |
| 187 | read_pipe(int lines) |
| 188 | { |
| 189 | char buffer[BUFSIZ]; |
| 190 | char *line; |
| 191 | |
| 192 | while ((line = fgets(buffer, sizeof(buffer), pipe))) { |
| 193 | pipe_filter(line, pipe_lineno++); |
| 194 | if (!--lines) |
| 195 | break; |
| 196 | } |
| 197 | |
| 198 | if (feof(pipe) || ferror(pipe)) { |
| 199 | pipe_filter(NULL, pipe_lineno - 1); |
| 200 | pclose(pipe); |
| 201 | pipe = NULL; |
| 202 | pipe_filter = NULL; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | /* |
| 207 | * Main |
| 208 | */ |
| 209 | |
| 210 | int |
| 211 | main(int argc, char *argv[]) |
| 212 | { |
| 213 | init(); |
| 214 | |
| 215 | pipe = open_pipe(LOG_CMD, log_filter); |
| 216 | |
| 217 | for (;;) { |
| 218 | int c; |
| 219 | |
| 220 | if (pipe) read_pipe(20); |
| 221 | if (pipe) nodelay(mainwin, TRUE); |
| 222 | |
| 223 | c = wgetch(mainwin); /* refresh, accept single keystroke of input */ |
| 224 | |
| 225 | if (pipe) nodelay(mainwin, FALSE); |
| 226 | |
| 227 | if (c == ERR) |
| 228 | continue; |
| 229 | |
| 230 | /* Process the command keystroke */ |
| 231 | switch (c) { |
| 232 | case KEY_ESC: |
| 233 | case 'q': |
| 234 | quit(0); |
| 235 | return 0; |
| 236 | |
| 237 | case KEY_DOWN: |
| 238 | case 'j': |
| 239 | wscrl(mainwin, 1); |
| 240 | break; |
| 241 | |
| 242 | case KEY_UP: |
| 243 | case 'k': |
| 244 | wscrl(mainwin, -1); |
| 245 | break; |
| 246 | |
| 247 | case 'd': |
| 248 | pipe = open_pipe(DIFF_CMD, log_filter); |
| 249 | wclear(mainwin); |
| 250 | wmove(mainwin, 0, 0); |
| 251 | break; |
| 252 | |
| 253 | case 'l': |
| 254 | pipe = open_pipe(LOG_CMD, log_filter); |
| 255 | wclear(mainwin); |
| 256 | wmove(mainwin, 0, 0); |
| 257 | break; |
| 258 | |
| 259 | case 's': |
| 260 | mvwaddstr(statuswin, 0, 0, "Shelling out......................"); |
| 261 | def_prog_mode(); /* save current tty modes */ |
| 262 | endwin(); /* restore original tty modes */ |
| 263 | system("sh"); /* run shell */ |
| 264 | |
| 265 | wclear(statuswin); |
| 266 | mvwaddstr(statuswin, 0, 0, CGIT_HELP); |
| 267 | reset_prog_mode(); |
| 268 | //refresh(); /* restore save modes, repaint screen */ |
| 269 | break; |
| 270 | |
| 271 | /* default:*/ |
| 272 | /* if (isprint(c) || isspace(c))*/ |
| 273 | /* addch(c);*/ |
| 274 | } |
| 275 | |
| 276 | redrawwin(mainwin); |
| 277 | wrefresh(mainwin); |
| 278 | /* redrawwin(titlewin);*/ |
| 279 | /* wrefresh(titlewin);*/ |
| 280 | /* redrawwin(statuswin);*/ |
| 281 | /* wrefresh(statuswin);*/ |
| 282 | } |
| 283 | |
| 284 | quit(0); |
| 285 | } |
| 286 | |
| 287 | /* addch(ACS_LTEE);*/ |
| 288 | /* addch(ACS_HLINE);*/ |