| 1 | /* |
| 2 | * pterm - a fusion of the PuTTY terminal emulator with a Unix pty |
| 3 | * back end, all running as a GTK application. Wish me luck. |
| 4 | */ |
| 5 | |
| 6 | #include <string.h> |
| 7 | #include <assert.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <stdio.h> |
| 10 | #include <time.h> |
| 11 | #include <errno.h> |
| 12 | #include <fcntl.h> |
| 13 | #include <unistd.h> |
| 14 | #include <gtk/gtk.h> |
| 15 | #include <gdk/gdkkeysyms.h> |
| 16 | |
| 17 | #define PUTTY_DO_GLOBALS /* actually _define_ globals */ |
| 18 | #include "putty.h" |
| 19 | |
| 20 | #define CAT2(x,y) x ## y |
| 21 | #define CAT(x,y) CAT2(x,y) |
| 22 | #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} |
| 23 | |
| 24 | #define NCOLOURS (lenof(((Config *)0)->colours)) |
| 25 | |
| 26 | struct gui_data { |
| 27 | GtkWidget *area; |
| 28 | GdkPixmap *pixmap; |
| 29 | GdkFont *fonts[2]; /* normal and bold (for now!) */ |
| 30 | GdkCursor *rawcursor, *textcursor; |
| 31 | GdkColor cols[NCOLOURS]; |
| 32 | GdkColormap *colmap; |
| 33 | GdkGC *black_gc, *white_gc; |
| 34 | int font_width, font_height; |
| 35 | }; |
| 36 | |
| 37 | static struct gui_data the_inst; |
| 38 | static struct gui_data *inst = &the_inst; /* so we always write `inst->' */ |
| 39 | static int send_raw_mouse; |
| 40 | |
| 41 | void ldisc_update(int echo, int edit) |
| 42 | { |
| 43 | /* |
| 44 | * This is a stub in pterm. If I ever produce a Unix |
| 45 | * command-line ssh/telnet/rlogin client (i.e. a port of plink) |
| 46 | * then it will require some termios manoeuvring analogous to |
| 47 | * that in the Windows plink.c, but here it's meaningless. |
| 48 | */ |
| 49 | } |
| 50 | |
| 51 | int askappend(char *filename) |
| 52 | { |
| 53 | /* |
| 54 | * FIXME: for the moment we just wipe the log file. Since I |
| 55 | * haven't yet enabled logging, this shouldn't matter yet! |
| 56 | */ |
| 57 | return 2; |
| 58 | } |
| 59 | |
| 60 | void logevent(char *string) |
| 61 | { |
| 62 | /* |
| 63 | * FIXME: event log entries are currently ignored. |
| 64 | */ |
| 65 | } |
| 66 | |
| 67 | /* |
| 68 | * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT) |
| 69 | * into a cooked one (SELECT, EXTEND, PASTE). |
| 70 | * |
| 71 | * In Unix, this is not configurable; the X button arrangement is |
| 72 | * rock-solid across all applications, everyone has a three-button |
| 73 | * mouse or a means of faking it, and there is no need to switch |
| 74 | * buttons around at all. |
| 75 | */ |
| 76 | Mouse_Button translate_button(Mouse_Button button) |
| 77 | { |
| 78 | if (button == MBT_LEFT) |
| 79 | return MBT_SELECT; |
| 80 | if (button == MBT_MIDDLE) |
| 81 | return MBT_PASTE; |
| 82 | if (button == MBT_RIGHT) |
| 83 | return MBT_EXTEND; |
| 84 | return 0; /* shouldn't happen */ |
| 85 | } |
| 86 | |
| 87 | /* |
| 88 | * Minimise or restore the window in response to a server-side |
| 89 | * request. |
| 90 | */ |
| 91 | void set_iconic(int iconic) |
| 92 | { |
| 93 | /* FIXME: currently ignored */ |
| 94 | } |
| 95 | |
| 96 | /* |
| 97 | * Move the window in response to a server-side request. |
| 98 | */ |
| 99 | void move_window(int x, int y) |
| 100 | { |
| 101 | /* FIXME: currently ignored */ |
| 102 | } |
| 103 | |
| 104 | /* |
| 105 | * Move the window to the top or bottom of the z-order in response |
| 106 | * to a server-side request. |
| 107 | */ |
| 108 | void set_zorder(int top) |
| 109 | { |
| 110 | /* FIXME: currently ignored */ |
| 111 | } |
| 112 | |
| 113 | /* |
| 114 | * Refresh the window in response to a server-side request. |
| 115 | */ |
| 116 | void refresh_window(void) |
| 117 | { |
| 118 | /* FIXME: currently ignored */ |
| 119 | } |
| 120 | |
| 121 | /* |
| 122 | * Maximise or restore the window in response to a server-side |
| 123 | * request. |
| 124 | */ |
| 125 | void set_zoomed(int zoomed) |
| 126 | { |
| 127 | /* FIXME: currently ignored */ |
| 128 | } |
| 129 | |
| 130 | /* |
| 131 | * Report whether the window is iconic, for terminal reports. |
| 132 | */ |
| 133 | int is_iconic(void) |
| 134 | { |
| 135 | return 0; /* FIXME */ |
| 136 | } |
| 137 | |
| 138 | /* |
| 139 | * Report the window's position, for terminal reports. |
| 140 | */ |
| 141 | void get_window_pos(int *x, int *y) |
| 142 | { |
| 143 | *x = 3; *y = 4; /* FIXME */ |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | * Report the window's pixel size, for terminal reports. |
| 148 | */ |
| 149 | void get_window_pixels(int *x, int *y) |
| 150 | { |
| 151 | *x = 1; *y = 2; /* FIXME */ |
| 152 | } |
| 153 | |
| 154 | /* |
| 155 | * Return the window or icon title. |
| 156 | */ |
| 157 | char *get_window_title(int icon) |
| 158 | { |
| 159 | return "FIXME: window title retrieval not yet implemented"; |
| 160 | } |
| 161 | |
| 162 | gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) |
| 163 | { |
| 164 | /* |
| 165 | * FIXME: warn on close? |
| 166 | */ |
| 167 | return FALSE; |
| 168 | } |
| 169 | |
| 170 | gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) |
| 171 | { |
| 172 | struct gui_data *inst = (struct gui_data *)data; |
| 173 | |
| 174 | if (inst->pixmap) |
| 175 | gdk_pixmap_unref(inst->pixmap); |
| 176 | |
| 177 | inst->pixmap = gdk_pixmap_new(widget->window, |
| 178 | cfg.width * inst->font_width, |
| 179 | cfg.height * inst->font_height, -1); |
| 180 | |
| 181 | inst->black_gc = widget->style->black_gc; |
| 182 | inst->white_gc = widget->style->white_gc; |
| 183 | |
| 184 | /* |
| 185 | * Set up the colour map. |
| 186 | */ |
| 187 | inst->colmap = gdk_colormap_get_system(); |
| 188 | { |
| 189 | static const int ww[] = { |
| 190 | 6, 7, 8, 9, 10, 11, 12, 13, |
| 191 | 14, 15, 16, 17, 18, 19, 20, 21, |
| 192 | 0, 1, 2, 3, 4, 5 |
| 193 | }; |
| 194 | gboolean success[NCOLOURS]; |
| 195 | int i; |
| 196 | |
| 197 | assert(lenof(ww) == NCOLOURS); |
| 198 | |
| 199 | for (i = 0; i < NCOLOURS; i++) { |
| 200 | inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101; |
| 201 | inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101; |
| 202 | inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101; |
| 203 | } |
| 204 | |
| 205 | gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, |
| 206 | FALSE, FALSE, success); |
| 207 | for (i = 0; i < NCOLOURS; i++) { |
| 208 | if (!success[i]) |
| 209 | g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 210 | i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | return TRUE; |
| 215 | } |
| 216 | |
| 217 | gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) |
| 218 | { |
| 219 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 220 | |
| 221 | /* |
| 222 | * Pass the exposed rectangle to terminal.c, which will call us |
| 223 | * back to do the actual painting. |
| 224 | */ |
| 225 | term_paint(NULL, |
| 226 | event->area.x / inst->font_width, |
| 227 | event->area.y / inst->font_height, |
| 228 | (event->area.x + event->area.width - 1) / inst->font_width, |
| 229 | (event->area.y + event->area.height - 1) / inst->font_height); |
| 230 | return TRUE; |
| 231 | } |
| 232 | |
| 233 | #define KEY_PRESSED(k) \ |
| 234 | (inst->keystate[(k) / 32] & (1 << ((k) % 32))) |
| 235 | |
| 236 | gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 237 | { |
| 238 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 239 | char output[32]; |
| 240 | int start, end; |
| 241 | |
| 242 | if (event->type == GDK_KEY_PRESS) { |
| 243 | #ifdef KEY_DEBUGGING |
| 244 | { |
| 245 | int i; |
| 246 | printf("keypress: keyval = %04x, state = %08x; string =", |
| 247 | event->keyval, event->state); |
| 248 | for (i = 0; event->string[i]; i++) |
| 249 | printf(" %02x", (unsigned char) event->string[i]); |
| 250 | printf("\n"); |
| 251 | } |
| 252 | #endif |
| 253 | |
| 254 | /* |
| 255 | * NYI: |
| 256 | * - Shift-PgUp/PgDn for scrollbar |
| 257 | * - nethack mode |
| 258 | * - alt+numpad |
| 259 | * - Compose key (!!! requires Unicode faff before even trying) |
| 260 | * - Shift-Ins for paste (need to deal with pasting first) |
| 261 | */ |
| 262 | |
| 263 | /* ALT+things gives leading Escape. */ |
| 264 | output[0] = '\033'; |
| 265 | strncpy(output+1, event->string, 31); |
| 266 | output[31] = '\0'; |
| 267 | end = strlen(output); |
| 268 | if (event->state & GDK_MOD1_MASK) |
| 269 | start = 0; |
| 270 | else |
| 271 | start = 1; |
| 272 | |
| 273 | /* Control-` is the same as Control-\ (unless gtk has a better idea) */ |
| 274 | if (!event->string[0] && event->keyval == '`' && |
| 275 | (event->state & GDK_CONTROL_MASK)) { |
| 276 | output[1] = '\x1C'; |
| 277 | end = 2; |
| 278 | } |
| 279 | |
| 280 | /* Control-Break is the same as Control-C */ |
| 281 | if (event->keyval == GDK_Break && |
| 282 | (event->state & GDK_CONTROL_MASK)) { |
| 283 | output[1] = '\003'; |
| 284 | end = 2; |
| 285 | } |
| 286 | |
| 287 | /* Control-2, Control-Space and Control-@ are NUL */ |
| 288 | if (!event->string[0] && |
| 289 | (event->keyval == ' ' || event->keyval == '2' || |
| 290 | event->keyval == '@') && |
| 291 | (event->state & (GDK_SHIFT_MASK | |
| 292 | GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) { |
| 293 | output[1] = '\0'; |
| 294 | end = 2; |
| 295 | } |
| 296 | |
| 297 | /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */ |
| 298 | if (!event->string[0] && event->keyval == ' ' && |
| 299 | (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == |
| 300 | (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { |
| 301 | output[1] = '\240'; |
| 302 | end = 2; |
| 303 | } |
| 304 | |
| 305 | /* We don't let GTK tell us what Backspace is! We know better. */ |
| 306 | if (event->keyval == GDK_BackSpace && |
| 307 | !(event->state & GDK_SHIFT_MASK)) { |
| 308 | output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08'; |
| 309 | end = 2; |
| 310 | } |
| 311 | |
| 312 | /* Shift-Tab is ESC [ Z */ |
| 313 | if (event->keyval == GDK_ISO_Left_Tab || |
| 314 | (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) { |
| 315 | end = 1 + sprintf(output+1, "\033[Z"); |
| 316 | } |
| 317 | |
| 318 | /* |
| 319 | * Application keypad mode. |
| 320 | */ |
| 321 | if (app_keypad_keys && !cfg.no_applic_k) { |
| 322 | int xkey = 0; |
| 323 | switch (event->keyval) { |
| 324 | case GDK_Num_Lock: xkey = 'P'; break; |
| 325 | case GDK_KP_Divide: xkey = 'Q'; break; |
| 326 | case GDK_KP_Multiply: xkey = 'R'; break; |
| 327 | case GDK_KP_Subtract: xkey = 'S'; break; |
| 328 | /* |
| 329 | * Keypad + is tricky. It covers a space that would |
| 330 | * be taken up on the VT100 by _two_ keys; so we |
| 331 | * let Shift select between the two. Worse still, |
| 332 | * in xterm function key mode we change which two... |
| 333 | */ |
| 334 | case GDK_KP_Add: |
| 335 | if (cfg.funky_type == 2) { |
| 336 | if (event->state & GDK_SHIFT_MASK) |
| 337 | xkey = 'l'; |
| 338 | else |
| 339 | xkey = 'k'; |
| 340 | } else if (event->state & GDK_SHIFT_MASK) |
| 341 | xkey = 'm'; |
| 342 | else |
| 343 | xkey = 'l'; |
| 344 | break; |
| 345 | case GDK_KP_Enter: xkey = 'M'; break; |
| 346 | case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break; |
| 347 | case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break; |
| 348 | case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break; |
| 349 | case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break; |
| 350 | case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break; |
| 351 | case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break; |
| 352 | case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break; |
| 353 | case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break; |
| 354 | case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break; |
| 355 | case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break; |
| 356 | case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break; |
| 357 | } |
| 358 | if (xkey) { |
| 359 | if (vt52_mode) { |
| 360 | if (xkey >= 'P' && xkey <= 'S') |
| 361 | end = 1 + sprintf(output+1, "\033%c", xkey); |
| 362 | else |
| 363 | end = 1 + sprintf(output+1, "\033?%c", xkey); |
| 364 | } else |
| 365 | end = 1 + sprintf(output+1, "\033O%c", xkey); |
| 366 | goto done; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | /* |
| 371 | * Next, all the keys that do tilde codes. (ESC '[' nn '~', |
| 372 | * for integer decimal nn.) |
| 373 | * |
| 374 | * We also deal with the weird ones here. Linux VCs replace F1 |
| 375 | * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but |
| 376 | * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w |
| 377 | * respectively. |
| 378 | */ |
| 379 | { |
| 380 | int code = 0; |
| 381 | switch (event->keyval) { |
| 382 | case GDK_F1: |
| 383 | code = (event->state & GDK_SHIFT_MASK ? 23 : 11); |
| 384 | break; |
| 385 | case GDK_F2: |
| 386 | code = (event->state & GDK_SHIFT_MASK ? 24 : 12); |
| 387 | break; |
| 388 | case GDK_F3: |
| 389 | code = (event->state & GDK_SHIFT_MASK ? 25 : 13); |
| 390 | break; |
| 391 | case GDK_F4: |
| 392 | code = (event->state & GDK_SHIFT_MASK ? 26 : 14); |
| 393 | break; |
| 394 | case GDK_F5: |
| 395 | code = (event->state & GDK_SHIFT_MASK ? 28 : 15); |
| 396 | break; |
| 397 | case GDK_F6: |
| 398 | code = (event->state & GDK_SHIFT_MASK ? 29 : 17); |
| 399 | break; |
| 400 | case GDK_F7: |
| 401 | code = (event->state & GDK_SHIFT_MASK ? 31 : 18); |
| 402 | break; |
| 403 | case GDK_F8: |
| 404 | code = (event->state & GDK_SHIFT_MASK ? 32 : 19); |
| 405 | break; |
| 406 | case GDK_F9: |
| 407 | code = (event->state & GDK_SHIFT_MASK ? 33 : 20); |
| 408 | break; |
| 409 | case GDK_F10: |
| 410 | code = (event->state & GDK_SHIFT_MASK ? 34 : 21); |
| 411 | break; |
| 412 | case GDK_F11: |
| 413 | code = 23; |
| 414 | break; |
| 415 | case GDK_F12: |
| 416 | code = 24; |
| 417 | break; |
| 418 | case GDK_F13: |
| 419 | code = 25; |
| 420 | break; |
| 421 | case GDK_F14: |
| 422 | code = 26; |
| 423 | break; |
| 424 | case GDK_F15: |
| 425 | code = 28; |
| 426 | break; |
| 427 | case GDK_F16: |
| 428 | code = 29; |
| 429 | break; |
| 430 | case GDK_F17: |
| 431 | code = 31; |
| 432 | break; |
| 433 | case GDK_F18: |
| 434 | code = 32; |
| 435 | break; |
| 436 | case GDK_F19: |
| 437 | code = 33; |
| 438 | break; |
| 439 | case GDK_F20: |
| 440 | code = 34; |
| 441 | break; |
| 442 | } |
| 443 | if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) { |
| 444 | case GDK_Home: case GDK_KP_Home: |
| 445 | code = 1; |
| 446 | break; |
| 447 | case GDK_Insert: case GDK_KP_Insert: |
| 448 | code = 2; |
| 449 | break; |
| 450 | case GDK_Delete: case GDK_KP_Delete: |
| 451 | code = 3; |
| 452 | break; |
| 453 | case GDK_End: case GDK_KP_End: |
| 454 | code = 4; |
| 455 | break; |
| 456 | case GDK_Page_Up: case GDK_KP_Page_Up: |
| 457 | code = 5; |
| 458 | break; |
| 459 | case GDK_Page_Down: case GDK_KP_Page_Down: |
| 460 | code = 6; |
| 461 | break; |
| 462 | } |
| 463 | /* Reorder edit keys to physical order */ |
| 464 | if (cfg.funky_type == 3 && code <= 6) |
| 465 | code = "\0\2\1\4\5\3\6"[code]; |
| 466 | |
| 467 | if (vt52_mode && code > 0 && code <= 6) { |
| 468 | end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]); |
| 469 | goto done; |
| 470 | } |
| 471 | |
| 472 | if (cfg.funky_type == 5 && /* SCO function keys */ |
| 473 | code >= 11 && code <= 34) { |
| 474 | char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{"; |
| 475 | int index = 0; |
| 476 | switch (event->keyval) { |
| 477 | case GDK_F1: index = 0; break; |
| 478 | case GDK_F2: index = 1; break; |
| 479 | case GDK_F3: index = 2; break; |
| 480 | case GDK_F4: index = 3; break; |
| 481 | case GDK_F5: index = 4; break; |
| 482 | case GDK_F6: index = 5; break; |
| 483 | case GDK_F7: index = 6; break; |
| 484 | case GDK_F8: index = 7; break; |
| 485 | case GDK_F9: index = 8; break; |
| 486 | case GDK_F10: index = 9; break; |
| 487 | case GDK_F11: index = 10; break; |
| 488 | case GDK_F12: index = 11; break; |
| 489 | } |
| 490 | if (event->state & GDK_SHIFT_MASK) index += 12; |
| 491 | if (event->state & GDK_CONTROL_MASK) index += 24; |
| 492 | end = 1 + sprintf(output+1, "\x1B[%c", codes[index]); |
| 493 | goto done; |
| 494 | } |
| 495 | if (cfg.funky_type == 5 && /* SCO small keypad */ |
| 496 | code >= 1 && code <= 6) { |
| 497 | char codes[] = "HL.FIG"; |
| 498 | if (code == 3) { |
| 499 | output[1] = '\x7F'; |
| 500 | end = 2; |
| 501 | } else { |
| 502 | end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]); |
| 503 | } |
| 504 | goto done; |
| 505 | } |
| 506 | if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) { |
| 507 | int offt = 0; |
| 508 | if (code > 15) |
| 509 | offt++; |
| 510 | if (code > 21) |
| 511 | offt++; |
| 512 | if (vt52_mode) |
| 513 | end = 1 + sprintf(output+1, |
| 514 | "\x1B%c", code + 'P' - 11 - offt); |
| 515 | else |
| 516 | end = 1 + sprintf(output+1, |
| 517 | "\x1BO%c", code + 'P' - 11 - offt); |
| 518 | goto done; |
| 519 | } |
| 520 | if (cfg.funky_type == 1 && code >= 11 && code <= 15) { |
| 521 | end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11); |
| 522 | goto done; |
| 523 | } |
| 524 | if (cfg.funky_type == 2 && code >= 11 && code <= 14) { |
| 525 | if (vt52_mode) |
| 526 | end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11); |
| 527 | else |
| 528 | end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11); |
| 529 | goto done; |
| 530 | } |
| 531 | if (cfg.rxvt_homeend && (code == 1 || code == 4)) { |
| 532 | end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw"); |
| 533 | goto done; |
| 534 | } |
| 535 | if (code) { |
| 536 | end = 1 + sprintf(output+1, "\x1B[%d~", code); |
| 537 | goto done; |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | /* |
| 542 | * Cursor keys. (This includes the numberpad cursor keys, |
| 543 | * if we haven't already done them due to app keypad mode.) |
| 544 | * |
| 545 | * Here we also process un-numlocked un-appkeypadded KP5, |
| 546 | * which sends ESC [ G. |
| 547 | */ |
| 548 | { |
| 549 | int xkey = 0; |
| 550 | switch (event->keyval) { |
| 551 | case GDK_Up: case GDK_KP_Up: xkey = 'A'; break; |
| 552 | case GDK_Down: case GDK_KP_Down: xkey = 'B'; break; |
| 553 | case GDK_Right: case GDK_KP_Right: xkey = 'C'; break; |
| 554 | case GDK_Left: case GDK_KP_Left: xkey = 'D'; break; |
| 555 | case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break; |
| 556 | } |
| 557 | if (xkey) { |
| 558 | /* |
| 559 | * The arrow keys normally do ESC [ A and so on. In |
| 560 | * app cursor keys mode they do ESC O A instead. |
| 561 | * Ctrl toggles the two modes. |
| 562 | */ |
| 563 | if (vt52_mode) { |
| 564 | end = 1 + sprintf(output+1, "\033%c", xkey); |
| 565 | } else if (!app_cursor_keys ^ |
| 566 | !(event->state & GDK_CONTROL_MASK)) { |
| 567 | end = 1 + sprintf(output+1, "\033O%c", xkey); |
| 568 | } else { |
| 569 | end = 1 + sprintf(output+1, "\033[%c", xkey); |
| 570 | } |
| 571 | goto done; |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | done: |
| 576 | |
| 577 | #ifdef KEY_DEBUGGING |
| 578 | { |
| 579 | int i; |
| 580 | printf("generating sequence:"); |
| 581 | for (i = start; i < end; i++) |
| 582 | printf(" %02x", (unsigned char) output[i]); |
| 583 | printf("\n"); |
| 584 | } |
| 585 | #endif |
| 586 | ldisc_send(output+start, end-start, 1); |
| 587 | term_out(); |
| 588 | } |
| 589 | |
| 590 | return TRUE; |
| 591 | } |
| 592 | |
| 593 | gint timer_func(gpointer data) |
| 594 | { |
| 595 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 596 | |
| 597 | term_update(); |
| 598 | return TRUE; |
| 599 | } |
| 600 | |
| 601 | void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) |
| 602 | { |
| 603 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 604 | char buf[4096]; |
| 605 | int ret; |
| 606 | |
| 607 | ret = read(sourcefd, buf, sizeof(buf)); |
| 608 | |
| 609 | /* |
| 610 | * Clean termination condition is that either ret == 0, or ret |
| 611 | * < 0 and errno == EIO. Not sure why the latter, but it seems |
| 612 | * to happen. Boo. |
| 613 | */ |
| 614 | if (ret == 0 || (ret < 0 && errno == EIO)) { |
| 615 | exit(0); |
| 616 | } |
| 617 | |
| 618 | if (ret < 0) { |
| 619 | perror("read pty master"); |
| 620 | exit(1); |
| 621 | } |
| 622 | if (ret > 0) |
| 623 | from_backend(0, buf, ret); |
| 624 | term_out(); |
| 625 | } |
| 626 | |
| 627 | void destroy(GtkWidget *widget, gpointer data) |
| 628 | { |
| 629 | gtk_main_quit(); |
| 630 | } |
| 631 | |
| 632 | gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) |
| 633 | { |
| 634 | has_focus = event->in; |
| 635 | term_out(); |
| 636 | term_update(); |
| 637 | return FALSE; |
| 638 | } |
| 639 | |
| 640 | /* |
| 641 | * set or clear the "raw mouse message" mode |
| 642 | */ |
| 643 | void set_raw_mouse_mode(int activate) |
| 644 | { |
| 645 | activate = activate && !cfg.no_mouse_rep; |
| 646 | send_raw_mouse = activate; |
| 647 | if (send_raw_mouse) |
| 648 | gdk_window_set_cursor(inst->area->window, inst->rawcursor); |
| 649 | else |
| 650 | gdk_window_set_cursor(inst->area->window, inst->textcursor); |
| 651 | } |
| 652 | |
| 653 | void request_resize(int w, int h) |
| 654 | { |
| 655 | /* FIXME: currently ignored */ |
| 656 | } |
| 657 | |
| 658 | void palette_set(int n, int r, int g, int b) |
| 659 | { |
| 660 | /* FIXME: currently ignored */ |
| 661 | } |
| 662 | void palette_reset(void) |
| 663 | { |
| 664 | /* FIXME: currently ignored */ |
| 665 | } |
| 666 | |
| 667 | void write_clip(wchar_t * data, int len, int must_deselect) |
| 668 | { |
| 669 | /* FIXME: currently ignored */ |
| 670 | } |
| 671 | |
| 672 | void get_clip(wchar_t ** p, int *len) |
| 673 | { |
| 674 | if (p) { |
| 675 | /* FIXME: currently nonfunctional */ |
| 676 | *p = NULL; |
| 677 | *len = 0; |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | void set_title(char *title) |
| 682 | { |
| 683 | /* FIXME: currently ignored */ |
| 684 | } |
| 685 | |
| 686 | void set_icon(char *title) |
| 687 | { |
| 688 | /* FIXME: currently ignored */ |
| 689 | } |
| 690 | |
| 691 | void set_sbar(int total, int start, int page) |
| 692 | { |
| 693 | /* FIXME: currently ignored */ |
| 694 | } |
| 695 | |
| 696 | void sys_cursor(int x, int y) |
| 697 | { |
| 698 | /* |
| 699 | * This is meaningless under X. |
| 700 | */ |
| 701 | } |
| 702 | |
| 703 | void beep(int mode) |
| 704 | { |
| 705 | gdk_beep(); |
| 706 | } |
| 707 | |
| 708 | int CharWidth(Context ctx, int uc) |
| 709 | { |
| 710 | /* |
| 711 | * Under X, any fixed-width font really _is_ fixed-width. |
| 712 | * Double-width characters will be dealt with using a separate |
| 713 | * font. For the moment we can simply return 1. |
| 714 | */ |
| 715 | return 1; |
| 716 | } |
| 717 | |
| 718 | Context get_ctx(void) |
| 719 | { |
| 720 | GdkGC *gc; |
| 721 | if (!inst->area->window) |
| 722 | return NULL; |
| 723 | gc = gdk_gc_new(inst->area->window); |
| 724 | return gc; |
| 725 | } |
| 726 | |
| 727 | void free_ctx(Context ctx) |
| 728 | { |
| 729 | GdkGC *gc = (GdkGC *)ctx; |
| 730 | gdk_gc_unref(gc); |
| 731 | } |
| 732 | |
| 733 | /* |
| 734 | * Draw a line of text in the window, at given character |
| 735 | * coordinates, in given attributes. |
| 736 | * |
| 737 | * We are allowed to fiddle with the contents of `text'. |
| 738 | */ |
| 739 | void do_text(Context ctx, int x, int y, char *text, int len, |
| 740 | unsigned long attr, int lattr) |
| 741 | { |
| 742 | int nfg, nbg, t; |
| 743 | GdkGC *gc = (GdkGC *)ctx; |
| 744 | |
| 745 | /* |
| 746 | * NYI: |
| 747 | * - ATTR_WIDE (is this for Unicode CJK? I hope so) |
| 748 | * - LATTR_* (ESC # 4 double-width and double-height stuff) |
| 749 | * - cursor shapes other than block |
| 750 | * - VT100 line drawing stuff; code pages in general! |
| 751 | * - shadow bolding |
| 752 | * - underline |
| 753 | */ |
| 754 | |
| 755 | nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); |
| 756 | nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); |
| 757 | if (attr & ATTR_REVERSE) { |
| 758 | t = nfg; |
| 759 | nfg = nbg; |
| 760 | nbg = t; |
| 761 | } |
| 762 | if (cfg.bold_colour && (attr & ATTR_BOLD)) |
| 763 | nfg++; |
| 764 | if (cfg.bold_colour && (attr & ATTR_BLINK)) |
| 765 | nbg++; |
| 766 | if (attr & TATTR_ACTCURS) { |
| 767 | nfg = NCOLOURS-2; |
| 768 | nbg = NCOLOURS-1; |
| 769 | } |
| 770 | |
| 771 | gdk_gc_set_foreground(gc, &inst->cols[nbg]); |
| 772 | gdk_draw_rectangle(inst->pixmap, gc, 1, |
| 773 | x*inst->font_width, y*inst->font_height, |
| 774 | len*inst->font_width, inst->font_height); |
| 775 | |
| 776 | gdk_gc_set_foreground(gc, &inst->cols[nfg]); |
| 777 | gdk_draw_text(inst->pixmap, inst->fonts[0], gc, x*inst->font_width, |
| 778 | y*inst->font_height + inst->fonts[0]->ascent, text, len); |
| 779 | |
| 780 | if (attr & ATTR_UNDER) { |
| 781 | int uheight = inst->fonts[0]->ascent + 1; |
| 782 | if (uheight >= inst->font_height) |
| 783 | uheight = inst->font_height - 1; |
| 784 | gdk_draw_line(inst->pixmap, gc, x*inst->font_width, |
| 785 | y*inst->font_height + uheight, |
| 786 | (x+len)*inst->font_width-1, y*inst->font_height+uheight); |
| 787 | } |
| 788 | |
| 789 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 790 | x*inst->font_width, y*inst->font_height, |
| 791 | x*inst->font_width, y*inst->font_height, |
| 792 | len*inst->font_width, inst->font_height); |
| 793 | } |
| 794 | |
| 795 | void do_cursor(Context ctx, int x, int y, char *text, int len, |
| 796 | unsigned long attr, int lattr) |
| 797 | { |
| 798 | int passive; |
| 799 | GdkGC *gc = (GdkGC *)ctx; |
| 800 | |
| 801 | /* |
| 802 | * NYI: cursor shapes other than block |
| 803 | */ |
| 804 | if (attr & TATTR_PASCURS) { |
| 805 | attr &= ~TATTR_PASCURS; |
| 806 | passive = 1; |
| 807 | } else |
| 808 | passive = 0; |
| 809 | do_text(ctx, x, y, text, len, attr, lattr); |
| 810 | if (passive) { |
| 811 | gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); |
| 812 | gdk_draw_rectangle(inst->pixmap, gc, 0, |
| 813 | x*inst->font_width, y*inst->font_height, |
| 814 | len*inst->font_width-1, inst->font_height-1); |
| 815 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 816 | x*inst->font_width, y*inst->font_height, |
| 817 | x*inst->font_width, y*inst->font_height, |
| 818 | len*inst->font_width, inst->font_height); |
| 819 | } |
| 820 | } |
| 821 | |
| 822 | void modalfatalbox(char *p, ...) |
| 823 | { |
| 824 | va_list ap; |
| 825 | fprintf(stderr, "FATAL ERROR: "); |
| 826 | va_start(ap, p); |
| 827 | vfprintf(stderr, p, ap); |
| 828 | va_end(ap); |
| 829 | fputc('\n', stderr); |
| 830 | exit(1); |
| 831 | } |
| 832 | |
| 833 | int main(int argc, char **argv) |
| 834 | { |
| 835 | GtkWidget *window; |
| 836 | extern int pty_master_fd; /* declared in pty.c */ |
| 837 | |
| 838 | gtk_init(&argc, &argv); |
| 839 | |
| 840 | do_defaults(NULL, &cfg); |
| 841 | |
| 842 | inst->fonts[0] = gdk_font_load(cfg.font); |
| 843 | inst->fonts[1] = NULL; /* FIXME: what about bold font? */ |
| 844 | inst->font_width = gdk_char_width(inst->fonts[0], ' '); |
| 845 | inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent; |
| 846 | |
| 847 | init_ucs(); |
| 848 | |
| 849 | back = &pty_backend; |
| 850 | back->init(NULL, 0, NULL, 0); |
| 851 | |
| 852 | window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 853 | inst->area = gtk_drawing_area_new(); |
| 854 | gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), |
| 855 | inst->font_width * cfg.width, |
| 856 | inst->font_height * cfg.height); |
| 857 | |
| 858 | gtk_container_add(GTK_CONTAINER(window), inst->area); |
| 859 | |
| 860 | gtk_signal_connect(GTK_OBJECT(window), "destroy", |
| 861 | GTK_SIGNAL_FUNC(destroy), inst); |
| 862 | gtk_signal_connect(GTK_OBJECT(window), "delete_event", |
| 863 | GTK_SIGNAL_FUNC(delete_window), inst); |
| 864 | gtk_signal_connect(GTK_OBJECT(window), "key_press_event", |
| 865 | GTK_SIGNAL_FUNC(key_event), inst); |
| 866 | gtk_signal_connect(GTK_OBJECT(window), "focus_in_event", |
| 867 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 868 | gtk_signal_connect(GTK_OBJECT(window), "focus_out_event", |
| 869 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 870 | gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event", |
| 871 | GTK_SIGNAL_FUNC(configure_area), inst); |
| 872 | gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event", |
| 873 | GTK_SIGNAL_FUNC(expose_area), inst); |
| 874 | gtk_timeout_add(20, timer_func, inst); |
| 875 | gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst); |
| 876 | gtk_widget_add_events(GTK_WIDGET(inst->area), |
| 877 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
| 878 | |
| 879 | gtk_widget_show(inst->area); |
| 880 | gtk_widget_show(window); |
| 881 | |
| 882 | inst->textcursor = gdk_cursor_new(GDK_XTERM); |
| 883 | inst->rawcursor = gdk_cursor_new(GDK_ARROW); |
| 884 | gdk_window_set_cursor(inst->area->window, inst->textcursor); |
| 885 | |
| 886 | term_init(); |
| 887 | term_size(24, 80, 2000); |
| 888 | |
| 889 | gtk_main(); |
| 890 | |
| 891 | return 0; |
| 892 | } |