| 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 <gtk/gtk.h> |
| 12 | |
| 13 | #define PUTTY_DO_GLOBALS /* actually _define_ globals */ |
| 14 | #include "putty.h" |
| 15 | |
| 16 | #define CAT2(x,y) x ## y |
| 17 | #define CAT(x,y) CAT2(x,y) |
| 18 | #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} |
| 19 | |
| 20 | #define NCOLOURS (lenof(((Config *)0)->colours)) |
| 21 | |
| 22 | struct gui_data { |
| 23 | GtkWidget *area; |
| 24 | GdkPixmap *pixmap; |
| 25 | GdkFont *fonts[2]; /* normal and bold (for now!) */ |
| 26 | GdkCursor *rawcursor, *textcursor; |
| 27 | GdkColor cols[NCOLOURS]; |
| 28 | GdkColormap *colmap; |
| 29 | GdkGC *black_gc, *white_gc; |
| 30 | }; |
| 31 | |
| 32 | static struct gui_data the_inst; |
| 33 | static struct gui_data *inst = &the_inst; /* so we always write `inst->' */ |
| 34 | static int send_raw_mouse; |
| 35 | |
| 36 | void ldisc_update(int echo, int edit) |
| 37 | { |
| 38 | /* |
| 39 | * This is a stub in pterm. If I ever produce a Unix |
| 40 | * command-line ssh/telnet/rlogin client (i.e. a port of plink) |
| 41 | * then it will require some termios manoeuvring analogous to |
| 42 | * that in the Windows plink.c, but here it's meaningless. |
| 43 | */ |
| 44 | } |
| 45 | |
| 46 | int askappend(char *filename) |
| 47 | { |
| 48 | /* |
| 49 | * FIXME: for the moment we just wipe the log file. Since I |
| 50 | * haven't yet enabled logging, this shouldn't matter yet! |
| 51 | */ |
| 52 | return 2; |
| 53 | } |
| 54 | |
| 55 | void logevent(char *string) |
| 56 | { |
| 57 | /* |
| 58 | * FIXME: event log entries are currently ignored. |
| 59 | */ |
| 60 | } |
| 61 | |
| 62 | /* |
| 63 | * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT) |
| 64 | * into a cooked one (SELECT, EXTEND, PASTE). |
| 65 | * |
| 66 | * In Unix, this is not configurable; the X button arrangement is |
| 67 | * rock-solid across all applications, everyone has a three-button |
| 68 | * mouse or a means of faking it, and there is no need to switch |
| 69 | * buttons around at all. |
| 70 | */ |
| 71 | Mouse_Button translate_button(Mouse_Button button) |
| 72 | { |
| 73 | if (button == MBT_LEFT) |
| 74 | return MBT_SELECT; |
| 75 | if (button == MBT_MIDDLE) |
| 76 | return MBT_PASTE; |
| 77 | if (button == MBT_RIGHT) |
| 78 | return MBT_EXTEND; |
| 79 | return 0; /* shouldn't happen */ |
| 80 | } |
| 81 | |
| 82 | /* |
| 83 | * Minimise or restore the window in response to a server-side |
| 84 | * request. |
| 85 | */ |
| 86 | void set_iconic(int iconic) |
| 87 | { |
| 88 | /* FIXME: currently ignored */ |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | * Move the window in response to a server-side request. |
| 93 | */ |
| 94 | void move_window(int x, int y) |
| 95 | { |
| 96 | /* FIXME: currently ignored */ |
| 97 | } |
| 98 | |
| 99 | /* |
| 100 | * Move the window to the top or bottom of the z-order in response |
| 101 | * to a server-side request. |
| 102 | */ |
| 103 | void set_zorder(int top) |
| 104 | { |
| 105 | /* FIXME: currently ignored */ |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | * Refresh the window in response to a server-side request. |
| 110 | */ |
| 111 | void refresh_window(void) |
| 112 | { |
| 113 | /* FIXME: currently ignored */ |
| 114 | } |
| 115 | |
| 116 | /* |
| 117 | * Maximise or restore the window in response to a server-side |
| 118 | * request. |
| 119 | */ |
| 120 | void set_zoomed(int zoomed) |
| 121 | { |
| 122 | /* FIXME: currently ignored */ |
| 123 | } |
| 124 | |
| 125 | /* |
| 126 | * Report whether the window is iconic, for terminal reports. |
| 127 | */ |
| 128 | int is_iconic(void) |
| 129 | { |
| 130 | return 0; /* FIXME */ |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * Report the window's position, for terminal reports. |
| 135 | */ |
| 136 | void get_window_pos(int *x, int *y) |
| 137 | { |
| 138 | *x = 3; *y = 4; /* FIXME */ |
| 139 | } |
| 140 | |
| 141 | /* |
| 142 | * Report the window's pixel size, for terminal reports. |
| 143 | */ |
| 144 | void get_window_pixels(int *x, int *y) |
| 145 | { |
| 146 | *x = 1; *y = 2; /* FIXME */ |
| 147 | } |
| 148 | |
| 149 | /* |
| 150 | * Return the window or icon title. |
| 151 | */ |
| 152 | char *get_window_title(int icon) |
| 153 | { |
| 154 | return "FIXME: window title retrieval not yet implemented"; |
| 155 | } |
| 156 | |
| 157 | gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) |
| 158 | { |
| 159 | /* |
| 160 | * FIXME: warn on close? |
| 161 | */ |
| 162 | return FALSE; |
| 163 | } |
| 164 | |
| 165 | gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) |
| 166 | { |
| 167 | struct gui_data *inst = (struct gui_data *)data; |
| 168 | |
| 169 | if (inst->pixmap) |
| 170 | gdk_pixmap_unref(inst->pixmap); |
| 171 | |
| 172 | inst->pixmap = gdk_pixmap_new(widget->window, 9*80, 15*24, -1); |
| 173 | |
| 174 | inst->fonts[0] = gdk_font_load("9x15t"); /* XXCONFIG */ |
| 175 | inst->fonts[1] = NULL; /* XXCONFIG */ |
| 176 | inst->black_gc = widget->style->black_gc; |
| 177 | inst->white_gc = widget->style->white_gc; |
| 178 | |
| 179 | /* |
| 180 | * Set up the colour map. |
| 181 | */ |
| 182 | inst->colmap = gdk_colormap_get_system(); |
| 183 | { |
| 184 | static const int ww[] = { |
| 185 | 6, 7, 8, 9, 10, 11, 12, 13, |
| 186 | 14, 15, 16, 17, 18, 19, 20, 21, |
| 187 | 0, 1, 2, 3, 4, 5 |
| 188 | }; |
| 189 | gboolean success[NCOLOURS]; |
| 190 | int i; |
| 191 | |
| 192 | assert(lenof(ww) == NCOLOURS); |
| 193 | |
| 194 | for (i = 0; i < NCOLOURS; i++) { |
| 195 | inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101; |
| 196 | inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101; |
| 197 | inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101; |
| 198 | } |
| 199 | |
| 200 | gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, |
| 201 | FALSE, FALSE, success); |
| 202 | for (i = 0; i < NCOLOURS; i++) { |
| 203 | if (!success[i]) |
| 204 | g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 205 | i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | return TRUE; |
| 210 | } |
| 211 | |
| 212 | gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) |
| 213 | { |
| 214 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 215 | |
| 216 | /* |
| 217 | * Pass the exposed rectangle to terminal.c, which will call us |
| 218 | * back to do the actual painting. |
| 219 | */ |
| 220 | term_paint(NULL, |
| 221 | event->area.x / 9, event->area.y / 15, |
| 222 | (event->area.x + event->area.width - 1) / 9, |
| 223 | (event->area.y + event->area.height - 1) / 15); |
| 224 | return TRUE; |
| 225 | } |
| 226 | |
| 227 | #define KEY_PRESSED(k) \ |
| 228 | (inst->keystate[(k) / 32] & (1 << ((k) % 32))) |
| 229 | |
| 230 | gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 231 | { |
| 232 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 233 | |
| 234 | if (event->type == GDK_KEY_PRESS) { |
| 235 | ldisc_send(event->string, strlen(event->string), 1); |
| 236 | term_out(); |
| 237 | } |
| 238 | |
| 239 | return TRUE; |
| 240 | } |
| 241 | |
| 242 | gint timer_func(gpointer data) |
| 243 | { |
| 244 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 245 | |
| 246 | term_update(); |
| 247 | return TRUE; |
| 248 | } |
| 249 | |
| 250 | void destroy(GtkWidget *widget, gpointer data) |
| 251 | { |
| 252 | gtk_main_quit(); |
| 253 | } |
| 254 | |
| 255 | gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) |
| 256 | { |
| 257 | has_focus = event->in; |
| 258 | term_out(); |
| 259 | term_update(); |
| 260 | return FALSE; |
| 261 | } |
| 262 | |
| 263 | /* |
| 264 | * set or clear the "raw mouse message" mode |
| 265 | */ |
| 266 | void set_raw_mouse_mode(int activate) |
| 267 | { |
| 268 | activate = activate && !cfg.no_mouse_rep; |
| 269 | send_raw_mouse = activate; |
| 270 | if (send_raw_mouse) |
| 271 | gdk_window_set_cursor(inst->area->window, inst->rawcursor); |
| 272 | else |
| 273 | gdk_window_set_cursor(inst->area->window, inst->textcursor); |
| 274 | } |
| 275 | |
| 276 | void request_resize(int w, int h) |
| 277 | { |
| 278 | /* FIXME: currently ignored */ |
| 279 | } |
| 280 | |
| 281 | void palette_set(int n, int r, int g, int b) |
| 282 | { |
| 283 | /* FIXME: currently ignored */ |
| 284 | } |
| 285 | void palette_reset(void) |
| 286 | { |
| 287 | /* FIXME: currently ignored */ |
| 288 | } |
| 289 | |
| 290 | void write_clip(wchar_t * data, int len, int must_deselect) |
| 291 | { |
| 292 | /* FIXME: currently ignored */ |
| 293 | } |
| 294 | |
| 295 | void get_clip(wchar_t ** p, int *len) |
| 296 | { |
| 297 | if (p) { |
| 298 | /* FIXME: currently nonfunctional */ |
| 299 | *p = NULL; |
| 300 | *len = 0; |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | void set_title(char *title) |
| 305 | { |
| 306 | /* FIXME: currently ignored */ |
| 307 | } |
| 308 | |
| 309 | void set_icon(char *title) |
| 310 | { |
| 311 | /* FIXME: currently ignored */ |
| 312 | } |
| 313 | |
| 314 | void set_sbar(int total, int start, int page) |
| 315 | { |
| 316 | /* FIXME: currently ignored */ |
| 317 | } |
| 318 | |
| 319 | void sys_cursor(int x, int y) |
| 320 | { |
| 321 | /* |
| 322 | * This is meaningless under X. |
| 323 | */ |
| 324 | } |
| 325 | |
| 326 | void beep(int mode) |
| 327 | { |
| 328 | gdk_beep(); |
| 329 | } |
| 330 | |
| 331 | int CharWidth(Context ctx, int uc) |
| 332 | { |
| 333 | /* |
| 334 | * Under X, any fixed-width font really _is_ fixed-width. |
| 335 | * Double-width characters will be dealt with using a separate |
| 336 | * font. For the moment we can simply return 1. |
| 337 | */ |
| 338 | return 1; |
| 339 | } |
| 340 | |
| 341 | Context get_ctx(void) |
| 342 | { |
| 343 | GdkGC *gc; |
| 344 | if (!inst->area->window) |
| 345 | return NULL; |
| 346 | gc = gdk_gc_new(inst->area->window); |
| 347 | return gc; |
| 348 | } |
| 349 | |
| 350 | void free_ctx(Context ctx) |
| 351 | { |
| 352 | GdkGC *gc = (GdkGC *)ctx; |
| 353 | gdk_gc_unref(gc); |
| 354 | } |
| 355 | |
| 356 | /* |
| 357 | * Draw a line of text in the window, at given character |
| 358 | * coordinates, in given attributes. |
| 359 | * |
| 360 | * We are allowed to fiddle with the contents of `text'. |
| 361 | */ |
| 362 | void do_text(Context ctx, int x, int y, char *text, int len, |
| 363 | unsigned long attr, int lattr) |
| 364 | { |
| 365 | int nfg, nbg, t; |
| 366 | GdkGC *gc = (GdkGC *)ctx; |
| 367 | |
| 368 | /* |
| 369 | * NYI: |
| 370 | * - ATTR_WIDE (is this for Unicode CJK? I hope so) |
| 371 | * - LATTR_* (ESC # 4 double-width and double-height stuff) |
| 372 | * - cursor shapes other than block |
| 373 | * - VT100 line drawing stuff; code pages in general! |
| 374 | * - shadow bolding |
| 375 | * - underline |
| 376 | */ |
| 377 | |
| 378 | nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); |
| 379 | nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); |
| 380 | if (attr & ATTR_REVERSE) { |
| 381 | t = nfg; |
| 382 | nfg = nbg; |
| 383 | nbg = t; |
| 384 | } |
| 385 | if (cfg.bold_colour && (attr & ATTR_BOLD)) |
| 386 | nfg++; |
| 387 | if (cfg.bold_colour && (attr & ATTR_BLINK)) |
| 388 | nbg++; |
| 389 | if (attr & TATTR_ACTCURS) { |
| 390 | nfg = NCOLOURS-2; |
| 391 | nbg = NCOLOURS-1; |
| 392 | } |
| 393 | |
| 394 | gdk_gc_set_foreground(gc, &inst->cols[nbg]); |
| 395 | gdk_draw_rectangle(inst->pixmap, gc, 1, x*9, y*15, len*9, 15); |
| 396 | |
| 397 | gdk_gc_set_foreground(gc, &inst->cols[nfg]); |
| 398 | gdk_draw_text(inst->pixmap, inst->fonts[0], gc, |
| 399 | x*9, y*15 + inst->fonts[0]->ascent, text, len); |
| 400 | |
| 401 | if (attr & ATTR_UNDER) { |
| 402 | int uheight = inst->fonts[0]->ascent + 1; |
| 403 | if (uheight >= 15) |
| 404 | uheight = 14; |
| 405 | gdk_draw_line(inst->pixmap, gc, x*9, y*15 + uheight, |
| 406 | (x+len)*9-1, y*15+uheight); |
| 407 | } |
| 408 | |
| 409 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 410 | x*9, y*15, x*9, y*15, len*9, 15); |
| 411 | } |
| 412 | |
| 413 | void do_cursor(Context ctx, int x, int y, char *text, int len, |
| 414 | unsigned long attr, int lattr) |
| 415 | { |
| 416 | int passive; |
| 417 | GdkGC *gc = (GdkGC *)ctx; |
| 418 | |
| 419 | /* |
| 420 | * NYI: cursor shapes other than block |
| 421 | */ |
| 422 | if (attr & TATTR_PASCURS) { |
| 423 | attr &= ~TATTR_PASCURS; |
| 424 | passive = 1; |
| 425 | } else |
| 426 | passive = 0; |
| 427 | do_text(ctx, x, y, text, len, attr, lattr); |
| 428 | if (passive) { |
| 429 | gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); |
| 430 | gdk_draw_rectangle(inst->pixmap, gc, 0, x*9, y*15, len*9-1, 15-1); |
| 431 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 432 | x*9, y*15, x*9, y*15, len*9, 15); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | void modalfatalbox(char *p, ...) |
| 437 | { |
| 438 | va_list ap; |
| 439 | fprintf(stderr, "FATAL ERROR: "); |
| 440 | va_start(ap, p); |
| 441 | vfprintf(stderr, p, ap); |
| 442 | va_end(ap); |
| 443 | fputc('\n', stderr); |
| 444 | exit(1); |
| 445 | } |
| 446 | |
| 447 | int main(int argc, char **argv) |
| 448 | { |
| 449 | GtkWidget *window; |
| 450 | |
| 451 | gtk_init(&argc, &argv); |
| 452 | |
| 453 | do_defaults(NULL, &cfg); |
| 454 | |
| 455 | init_ucs(); |
| 456 | |
| 457 | back = &pty_backend; |
| 458 | back->init(NULL, 0, NULL, 0); |
| 459 | |
| 460 | window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 461 | inst->area = gtk_drawing_area_new(); |
| 462 | gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), |
| 463 | 9*80, 15*24);/* FIXME: proper resizing stuff */ |
| 464 | |
| 465 | gtk_container_add(GTK_CONTAINER(window), inst->area); |
| 466 | |
| 467 | gtk_signal_connect(GTK_OBJECT(window), "destroy", |
| 468 | GTK_SIGNAL_FUNC(destroy), inst); |
| 469 | gtk_signal_connect(GTK_OBJECT(window), "delete_event", |
| 470 | GTK_SIGNAL_FUNC(delete_window), inst); |
| 471 | gtk_signal_connect(GTK_OBJECT(window), "key_press_event", |
| 472 | GTK_SIGNAL_FUNC(key_event), inst); |
| 473 | gtk_signal_connect(GTK_OBJECT(window), "focus_in_event", |
| 474 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 475 | gtk_signal_connect(GTK_OBJECT(window), "focus_out_event", |
| 476 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 477 | gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event", |
| 478 | GTK_SIGNAL_FUNC(configure_area), inst); |
| 479 | gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event", |
| 480 | GTK_SIGNAL_FUNC(expose_area), inst); |
| 481 | gtk_timeout_add(20, timer_func, inst); |
| 482 | gtk_widget_add_events(GTK_WIDGET(inst->area), |
| 483 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
| 484 | |
| 485 | gtk_widget_show(inst->area); |
| 486 | gtk_widget_show(window); |
| 487 | |
| 488 | inst->textcursor = gdk_cursor_new(GDK_XTERM); |
| 489 | inst->rawcursor = gdk_cursor_new(GDK_ARROW); |
| 490 | gdk_window_set_cursor(inst->area->window, inst->textcursor); |
| 491 | |
| 492 | term_init(); |
| 493 | term_size(24, 80, 2000); |
| 494 | |
| 495 | gtk_main(); |
| 496 | |
| 497 | return 0; |
| 498 | } |