projects / u / mdw / putty / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Fix underline, which I cleverly broke while adding support for the
[u/mdw/putty] / unix / pterm.c
CommitLineData
f7f27309 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>
d64838e1 7#include <assert.h>
f7f27309 8#include <stdlib.h>
1709795f 9#include <stdio.h>
f7f27309 10#include <time.h>
054d8535 11#include <errno.h>
12#include <fcntl.h>
13#include <unistd.h>
f7f27309 14#include <gtk/gtk.h>
a57cd64b 15#include <gdk/gdkkeysyms.h>
f7f27309 16
1709795f 17#define PUTTY_DO_GLOBALS /* actually _define_ globals */
18#include "putty.h"
19
f7f27309 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
d64838e1 24#define NCOLOURS (lenof(((Config *)0)->colours))
25
26struct gui_data {
6a5e84dd 27 GtkWidget *area, *sbar;
28 GtkBox *hbox;
29 GtkAdjustment *sbar_adjust;
d64838e1 30 GdkPixmap *pixmap;
31 GdkFont *fonts[2]; /* normal and bold (for now!) */
32 GdkCursor *rawcursor, *textcursor;
33 GdkColor cols[NCOLOURS];
34 GdkColormap *colmap;
83616aab 35 int font_width, font_height;
d64838e1 36};
37
38static struct gui_data the_inst;
39static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
40static int send_raw_mouse;
41
1709795f 42void ldisc_update(int echo, int edit)
43{
44 /*
45 * This is a stub in pterm. If I ever produce a Unix
46 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
47 * then it will require some termios manoeuvring analogous to
48 * that in the Windows plink.c, but here it's meaningless.
49 */
50}
51
52int askappend(char *filename)
53{
54 /*
55 * FIXME: for the moment we just wipe the log file. Since I
56 * haven't yet enabled logging, this shouldn't matter yet!
57 */
58 return 2;
59}
60
61void logevent(char *string)
62{
63 /*
64 * FIXME: event log entries are currently ignored.
65 */
66}
67
68/*
69 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
70 * into a cooked one (SELECT, EXTEND, PASTE).
71 *
72 * In Unix, this is not configurable; the X button arrangement is
73 * rock-solid across all applications, everyone has a three-button
74 * mouse or a means of faking it, and there is no need to switch
75 * buttons around at all.
76 */
77Mouse_Button translate_button(Mouse_Button button)
78{
79 if (button == MBT_LEFT)
80 return MBT_SELECT;
81 if (button == MBT_MIDDLE)
82 return MBT_PASTE;
83 if (button == MBT_RIGHT)
84 return MBT_EXTEND;
85 return 0; /* shouldn't happen */
86}
87
88/*
89 * Minimise or restore the window in response to a server-side
90 * request.
91 */
92void set_iconic(int iconic)
93{
94 /* FIXME: currently ignored */
95}
96
97/*
98 * Move the window in response to a server-side request.
99 */
100void move_window(int x, int y)
101{
102 /* FIXME: currently ignored */
103}
104
105/*
106 * Move the window to the top or bottom of the z-order in response
107 * to a server-side request.
108 */
109void set_zorder(int top)
110{
111 /* FIXME: currently ignored */
112}
113
114/*
115 * Refresh the window in response to a server-side request.
116 */
117void refresh_window(void)
118{
119 /* FIXME: currently ignored */
120}
121
122/*
123 * Maximise or restore the window in response to a server-side
124 * request.
125 */
126void set_zoomed(int zoomed)
127{
128 /* FIXME: currently ignored */
129}
130
131/*
132 * Report whether the window is iconic, for terminal reports.
133 */
134int is_iconic(void)
135{
136 return 0; /* FIXME */
137}
138
139/*
140 * Report the window's position, for terminal reports.
141 */
142void get_window_pos(int *x, int *y)
143{
144 *x = 3; *y = 4; /* FIXME */
145}
146
147/*
148 * Report the window's pixel size, for terminal reports.
149 */
150void get_window_pixels(int *x, int *y)
151{
152 *x = 1; *y = 2; /* FIXME */
153}
154
155/*
156 * Return the window or icon title.
157 */
158char *get_window_title(int icon)
159{
160 return "FIXME: window title retrieval not yet implemented";
161}
f7f27309 162
f7f27309 163gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
164{
165 /*
166 * FIXME: warn on close?
167 */
168 return FALSE;
169}
170
171gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
172{
173 struct gui_data *inst = (struct gui_data *)data;
174
d64838e1 175 if (inst->pixmap)
176 gdk_pixmap_unref(inst->pixmap);
177
83616aab 178 inst->pixmap = gdk_pixmap_new(widget->window,
6a5e84dd 179 (cfg.width * inst->font_width +
180 2*cfg.window_border),
181 (cfg.height * inst->font_height +
182 2*cfg.window_border), -1);
d64838e1 183
6a5e84dd 184 {
185 GdkGC *gc;
186 gc = gdk_gc_new(inst->area->window);
187 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
188 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
189 cfg.width * inst->font_width + 2*cfg.window_border,
190 cfg.height * inst->font_height + 2*cfg.window_border);
191 gdk_gc_unref(gc);
192 }
f7f27309 193
f7f27309 194 /*
195 * Set up the colour map.
196 */
197 inst->colmap = gdk_colormap_get_system();
198 {
d64838e1 199 static const int ww[] = {
200 6, 7, 8, 9, 10, 11, 12, 13,
201 14, 15, 16, 17, 18, 19, 20, 21,
202 0, 1, 2, 3, 4, 5
f7f27309 203 };
d64838e1 204 gboolean success[NCOLOURS];
f7f27309 205 int i;
206
d64838e1 207 assert(lenof(ww) == NCOLOURS);
208
209 for (i = 0; i < NCOLOURS; i++) {
210 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
211 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
212 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
f7f27309 213 }
214
d64838e1 215 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
f7f27309 216 FALSE, FALSE, success);
d64838e1 217 for (i = 0; i < NCOLOURS; i++) {
f7f27309 218 if (!success[i])
d64838e1 219 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
220 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
f7f27309 221 }
222 }
f7f27309 223
224 return TRUE;
225}
226
227gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
228{
1709795f 229 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 230
231 /*
1709795f 232 * Pass the exposed rectangle to terminal.c, which will call us
233 * back to do the actual painting.
f7f27309 234 */
6a5e84dd 235 if (inst->pixmap) {
236 gdk_draw_pixmap(widget->window,
237 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
238 inst->pixmap,
239 event->area.x, event->area.y,
240 event->area.x, event->area.y,
241 event->area.width, event->area.height);
242 }
1709795f 243 return TRUE;
f7f27309 244}
245
246#define KEY_PRESSED(k) \
247 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
248
249gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
250{
1709795f 251 /* struct gui_data *inst = (struct gui_data *)data; */
a57cd64b 252 char output[32];
253 int start, end;
f7f27309 254
1709795f 255 if (event->type == GDK_KEY_PRESS) {
a57cd64b 256#ifdef KEY_DEBUGGING
257 {
258 int i;
259 printf("keypress: keyval = %04x, state = %08x; string =",
260 event->keyval, event->state);
261 for (i = 0; event->string[i]; i++)
262 printf(" %02x", (unsigned char) event->string[i]);
263 printf("\n");
264 }
265#endif
266
267 /*
268 * NYI:
269 * - Shift-PgUp/PgDn for scrollbar
270 * - nethack mode
271 * - alt+numpad
272 * - Compose key (!!! requires Unicode faff before even trying)
273 * - Shift-Ins for paste (need to deal with pasting first)
274 */
275
6a5e84dd 276 /*
277 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
278 * at all.
279 */
280 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
281 term_scroll(0, -cfg.height/2);
282 return TRUE;
283 }
284 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
285 term_scroll(0, +cfg.height/2);
286 return TRUE;
287 }
288
a57cd64b 289 /* ALT+things gives leading Escape. */
290 output[0] = '\033';
291 strncpy(output+1, event->string, 31);
292 output[31] = '\0';
293 end = strlen(output);
294 if (event->state & GDK_MOD1_MASK)
295 start = 0;
296 else
297 start = 1;
298
299 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
300 if (!event->string[0] && event->keyval == '`' &&
301 (event->state & GDK_CONTROL_MASK)) {
302 output[1] = '\x1C';
303 end = 2;
304 }
305
306 /* Control-Break is the same as Control-C */
307 if (event->keyval == GDK_Break &&
308 (event->state & GDK_CONTROL_MASK)) {
309 output[1] = '\003';
310 end = 2;
311 }
312
313 /* Control-2, Control-Space and Control-@ are NUL */
314 if (!event->string[0] &&
315 (event->keyval == ' ' || event->keyval == '2' ||
316 event->keyval == '@') &&
317 (event->state & (GDK_SHIFT_MASK |
318 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
319 output[1] = '\0';
320 end = 2;
321 }
322
323 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
324 if (!event->string[0] && event->keyval == ' ' &&
325 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
326 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
327 output[1] = '\240';
328 end = 2;
329 }
330
331 /* We don't let GTK tell us what Backspace is! We know better. */
332 if (event->keyval == GDK_BackSpace &&
333 !(event->state & GDK_SHIFT_MASK)) {
334 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
335 end = 2;
336 }
337
338 /* Shift-Tab is ESC [ Z */
339 if (event->keyval == GDK_ISO_Left_Tab ||
340 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
341 end = 1 + sprintf(output+1, "\033[Z");
342 }
343
344 /*
345 * Application keypad mode.
346 */
347 if (app_keypad_keys && !cfg.no_applic_k) {
348 int xkey = 0;
349 switch (event->keyval) {
350 case GDK_Num_Lock: xkey = 'P'; break;
351 case GDK_KP_Divide: xkey = 'Q'; break;
352 case GDK_KP_Multiply: xkey = 'R'; break;
353 case GDK_KP_Subtract: xkey = 'S'; break;
354 /*
355 * Keypad + is tricky. It covers a space that would
356 * be taken up on the VT100 by _two_ keys; so we
357 * let Shift select between the two. Worse still,
358 * in xterm function key mode we change which two...
359 */
360 case GDK_KP_Add:
361 if (cfg.funky_type == 2) {
362 if (event->state & GDK_SHIFT_MASK)
363 xkey = 'l';
364 else
365 xkey = 'k';
366 } else if (event->state & GDK_SHIFT_MASK)
367 xkey = 'm';
368 else
369 xkey = 'l';
370 break;
371 case GDK_KP_Enter: xkey = 'M'; break;
372 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
373 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
374 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
375 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
376 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
377 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
378 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
379 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
380 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
381 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
382 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
383 }
384 if (xkey) {
385 if (vt52_mode) {
386 if (xkey >= 'P' && xkey <= 'S')
387 end = 1 + sprintf(output+1, "\033%c", xkey);
388 else
389 end = 1 + sprintf(output+1, "\033?%c", xkey);
390 } else
391 end = 1 + sprintf(output+1, "\033O%c", xkey);
392 goto done;
393 }
394 }
395
396 /*
397 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
398 * for integer decimal nn.)
399 *
400 * We also deal with the weird ones here. Linux VCs replace F1
401 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
402 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
403 * respectively.
404 */
405 {
406 int code = 0;
407 switch (event->keyval) {
408 case GDK_F1:
409 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
410 break;
411 case GDK_F2:
412 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
413 break;
414 case GDK_F3:
415 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
416 break;
417 case GDK_F4:
418 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
419 break;
420 case GDK_F5:
421 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
422 break;
423 case GDK_F6:
424 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
425 break;
426 case GDK_F7:
427 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
428 break;
429 case GDK_F8:
430 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
431 break;
432 case GDK_F9:
433 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
434 break;
435 case GDK_F10:
436 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
437 break;
438 case GDK_F11:
439 code = 23;
440 break;
441 case GDK_F12:
442 code = 24;
443 break;
444 case GDK_F13:
445 code = 25;
446 break;
447 case GDK_F14:
448 code = 26;
449 break;
450 case GDK_F15:
451 code = 28;
452 break;
453 case GDK_F16:
454 code = 29;
455 break;
456 case GDK_F17:
457 code = 31;
458 break;
459 case GDK_F18:
460 code = 32;
461 break;
462 case GDK_F19:
463 code = 33;
464 break;
465 case GDK_F20:
466 code = 34;
467 break;
468 }
469 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
470 case GDK_Home: case GDK_KP_Home:
471 code = 1;
472 break;
473 case GDK_Insert: case GDK_KP_Insert:
474 code = 2;
475 break;
476 case GDK_Delete: case GDK_KP_Delete:
477 code = 3;
478 break;
479 case GDK_End: case GDK_KP_End:
480 code = 4;
481 break;
482 case GDK_Page_Up: case GDK_KP_Page_Up:
483 code = 5;
484 break;
485 case GDK_Page_Down: case GDK_KP_Page_Down:
486 code = 6;
487 break;
488 }
489 /* Reorder edit keys to physical order */
490 if (cfg.funky_type == 3 && code <= 6)
491 code = "\0\2\1\4\5\3\6"[code];
492
493 if (vt52_mode && code > 0 && code <= 6) {
494 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
495 goto done;
496 }
497
498 if (cfg.funky_type == 5 && /* SCO function keys */
499 code >= 11 && code <= 34) {
500 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
501 int index = 0;
502 switch (event->keyval) {
503 case GDK_F1: index = 0; break;
504 case GDK_F2: index = 1; break;
505 case GDK_F3: index = 2; break;
506 case GDK_F4: index = 3; break;
507 case GDK_F5: index = 4; break;
508 case GDK_F6: index = 5; break;
509 case GDK_F7: index = 6; break;
510 case GDK_F8: index = 7; break;
511 case GDK_F9: index = 8; break;
512 case GDK_F10: index = 9; break;
513 case GDK_F11: index = 10; break;
514 case GDK_F12: index = 11; break;
515 }
516 if (event->state & GDK_SHIFT_MASK) index += 12;
517 if (event->state & GDK_CONTROL_MASK) index += 24;
518 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
519 goto done;
520 }
521 if (cfg.funky_type == 5 && /* SCO small keypad */
522 code >= 1 && code <= 6) {
523 char codes[] = "HL.FIG";
524 if (code == 3) {
525 output[1] = '\x7F';
526 end = 2;
527 } else {
528 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
529 }
530 goto done;
531 }
532 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
533 int offt = 0;
534 if (code > 15)
535 offt++;
536 if (code > 21)
537 offt++;
538 if (vt52_mode)
539 end = 1 + sprintf(output+1,
540 "\x1B%c", code + 'P' - 11 - offt);
541 else
542 end = 1 + sprintf(output+1,
543 "\x1BO%c", code + 'P' - 11 - offt);
544 goto done;
545 }
546 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
547 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
548 goto done;
549 }
550 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
551 if (vt52_mode)
552 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
553 else
554 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
555 goto done;
556 }
557 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
558 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
559 goto done;
560 }
561 if (code) {
562 end = 1 + sprintf(output+1, "\x1B[%d~", code);
563 goto done;
564 }
565 }
566
567 /*
568 * Cursor keys. (This includes the numberpad cursor keys,
569 * if we haven't already done them due to app keypad mode.)
570 *
571 * Here we also process un-numlocked un-appkeypadded KP5,
572 * which sends ESC [ G.
573 */
574 {
575 int xkey = 0;
576 switch (event->keyval) {
577 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
578 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
579 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
580 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
581 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
582 }
583 if (xkey) {
584 /*
585 * The arrow keys normally do ESC [ A and so on. In
586 * app cursor keys mode they do ESC O A instead.
587 * Ctrl toggles the two modes.
588 */
589 if (vt52_mode) {
590 end = 1 + sprintf(output+1, "\033%c", xkey);
591 } else if (!app_cursor_keys ^
592 !(event->state & GDK_CONTROL_MASK)) {
593 end = 1 + sprintf(output+1, "\033O%c", xkey);
594 } else {
595 end = 1 + sprintf(output+1, "\033[%c", xkey);
596 }
597 goto done;
598 }
599 }
600
601 done:
602
603#ifdef KEY_DEBUGGING
604 {
605 int i;
606 printf("generating sequence:");
607 for (i = start; i < end; i++)
608 printf(" %02x", (unsigned char) output[i]);
609 printf("\n");
610 }
611#endif
612 ldisc_send(output+start, end-start, 1);
1709795f 613 term_out();
614 }
615
616 return TRUE;
f7f27309 617}
618
619gint timer_func(gpointer data)
620{
1709795f 621 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 622
1709795f 623 term_update();
f7f27309 624 return TRUE;
625}
626
054d8535 627void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
628{
629 /* struct gui_data *inst = (struct gui_data *)data; */
630 char buf[4096];
631 int ret;
632
633 ret = read(sourcefd, buf, sizeof(buf));
634
635 /*
636 * Clean termination condition is that either ret == 0, or ret
637 * < 0 and errno == EIO. Not sure why the latter, but it seems
638 * to happen. Boo.
639 */
640 if (ret == 0 || (ret < 0 && errno == EIO)) {
641 exit(0);
642 }
643
644 if (ret < 0) {
645 perror("read pty master");
646 exit(1);
647 }
648 if (ret > 0)
649 from_backend(0, buf, ret);
650 term_out();
651}
652
f7f27309 653void destroy(GtkWidget *widget, gpointer data)
654{
655 gtk_main_quit();
656}
657
658gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
659{
d64838e1 660 has_focus = event->in;
661 term_out();
662 term_update();
1709795f 663 return FALSE;
664}
665
666/*
667 * set or clear the "raw mouse message" mode
668 */
669void set_raw_mouse_mode(int activate)
670{
d64838e1 671 activate = activate && !cfg.no_mouse_rep;
672 send_raw_mouse = activate;
673 if (send_raw_mouse)
674 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
675 else
676 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1709795f 677}
678
679void request_resize(int w, int h)
680{
681 /* FIXME: currently ignored */
682}
683
684void palette_set(int n, int r, int g, int b)
685{
686 /* FIXME: currently ignored */
687}
688void palette_reset(void)
689{
690 /* FIXME: currently ignored */
691}
692
693void write_clip(wchar_t * data, int len, int must_deselect)
694{
695 /* FIXME: currently ignored */
696}
697
698void get_clip(wchar_t ** p, int *len)
699{
700 if (p) {
701 /* FIXME: currently nonfunctional */
702 *p = NULL;
703 *len = 0;
704 }
705}
706
707void set_title(char *title)
708{
709 /* FIXME: currently ignored */
710}
711
712void set_icon(char *title)
713{
714 /* FIXME: currently ignored */
715}
716
717void set_sbar(int total, int start, int page)
718{
6a5e84dd 719 inst->sbar_adjust->lower = 0;
720 inst->sbar_adjust->upper = total;
721 inst->sbar_adjust->value = start;
722 inst->sbar_adjust->page_size = page;
723 inst->sbar_adjust->step_increment = 1;
724 inst->sbar_adjust->page_increment = page/2;
725 gtk_adjustment_changed(inst->sbar_adjust);
726}
727
728void scrollbar_moved(GtkAdjustment *adj, gpointer data)
729{
730 term_scroll(1, (int)adj->value);
1709795f 731}
732
733void sys_cursor(int x, int y)
734{
735 /*
736 * This is meaningless under X.
737 */
738}
739
740void beep(int mode)
741{
742 gdk_beep();
743}
744
745int CharWidth(Context ctx, int uc)
746{
747 /*
748 * Under X, any fixed-width font really _is_ fixed-width.
749 * Double-width characters will be dealt with using a separate
750 * font. For the moment we can simply return 1.
751 */
752 return 1;
753}
754
755Context get_ctx(void)
756{
d64838e1 757 GdkGC *gc;
758 if (!inst->area->window)
759 return NULL;
760 gc = gdk_gc_new(inst->area->window);
1709795f 761 return gc;
762}
763
764void free_ctx(Context ctx)
765{
766 GdkGC *gc = (GdkGC *)ctx;
767 gdk_gc_unref(gc);
768}
769
770/*
771 * Draw a line of text in the window, at given character
772 * coordinates, in given attributes.
773 *
774 * We are allowed to fiddle with the contents of `text'.
775 */
776void do_text(Context ctx, int x, int y, char *text, int len,
777 unsigned long attr, int lattr)
778{
d64838e1 779 int nfg, nbg, t;
1709795f 780 GdkGC *gc = (GdkGC *)ctx;
1709795f 781
d64838e1 782 /*
783 * NYI:
784 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
785 * - LATTR_* (ESC # 4 double-width and double-height stuff)
786 * - cursor shapes other than block
787 * - VT100 line drawing stuff; code pages in general!
788 * - shadow bolding
789 * - underline
790 */
791
792 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
793 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
794 if (attr & ATTR_REVERSE) {
795 t = nfg;
796 nfg = nbg;
797 nbg = t;
798 }
799 if (cfg.bold_colour && (attr & ATTR_BOLD))
800 nfg++;
801 if (cfg.bold_colour && (attr & ATTR_BLINK))
802 nbg++;
803 if (attr & TATTR_ACTCURS) {
804 nfg = NCOLOURS-2;
805 nbg = NCOLOURS-1;
806 }
807
808 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
83616aab 809 gdk_draw_rectangle(inst->pixmap, gc, 1,
6a5e84dd 810 x*inst->font_width+cfg.window_border,
811 y*inst->font_height+cfg.window_border,
83616aab 812 len*inst->font_width, inst->font_height);
6a5e84dd 813
d64838e1 814 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
6a5e84dd 815 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
816 x*inst->font_width+cfg.window_border,
817 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
818 text, len);
d64838e1 819
820 if (attr & ATTR_UNDER) {
821 int uheight = inst->fonts[0]->ascent + 1;
83616aab 822 if (uheight >= inst->font_height)
823 uheight = inst->font_height - 1;
6a5e84dd 824 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
825 y*inst->font_height + uheight + cfg.window_border,
8252e709 826 (x+len)*inst->font_width-1+cfg.window_border,
827 y*inst->font_height + uheight + cfg.window_border);
d64838e1 828 }
829
830 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 831 x*inst->font_width+cfg.window_border,
832 y*inst->font_height+cfg.window_border,
833 x*inst->font_width+cfg.window_border,
834 y*inst->font_height+cfg.window_border,
83616aab 835 len*inst->font_width, inst->font_height);
1709795f 836}
837
838void do_cursor(Context ctx, int x, int y, char *text, int len,
839 unsigned long attr, int lattr)
840{
d64838e1 841 int passive;
842 GdkGC *gc = (GdkGC *)ctx;
843
844 /*
845 * NYI: cursor shapes other than block
846 */
1709795f 847 if (attr & TATTR_PASCURS) {
848 attr &= ~TATTR_PASCURS;
d64838e1 849 passive = 1;
850 } else
851 passive = 0;
1709795f 852 do_text(ctx, x, y, text, len, attr, lattr);
d64838e1 853 if (passive) {
854 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
83616aab 855 gdk_draw_rectangle(inst->pixmap, gc, 0,
6a5e84dd 856 x*inst->font_width+cfg.window_border,
857 y*inst->font_height+cfg.window_border,
83616aab 858 len*inst->font_width-1, inst->font_height-1);
d64838e1 859 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 860 x*inst->font_width+cfg.window_border,
861 y*inst->font_height+cfg.window_border,
862 x*inst->font_width+cfg.window_border,
863 y*inst->font_height+cfg.window_border,
83616aab 864 len*inst->font_width, inst->font_height);
d64838e1 865 }
1709795f 866}
867
868void modalfatalbox(char *p, ...)
869{
870 va_list ap;
871 fprintf(stderr, "FATAL ERROR: ");
872 va_start(ap, p);
873 vfprintf(stderr, p, ap);
874 va_end(ap);
875 fputc('\n', stderr);
876 exit(1);
f7f27309 877}
878
879int main(int argc, char **argv)
880{
881 GtkWidget *window;
054d8535 882 extern int pty_master_fd; /* declared in pty.c */
f7f27309 883
884 gtk_init(&argc, &argv);
885
1709795f 886 do_defaults(NULL, &cfg);
887
83616aab 888 inst->fonts[0] = gdk_font_load(cfg.font);
889 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
890 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
891 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
892
1709795f 893 init_ucs();
894
895 back = &pty_backend;
896 back->init(NULL, 0, NULL, 0);
897
f7f27309 898 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
899 inst->area = gtk_drawing_area_new();
900 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
6a5e84dd 901 inst->font_width * cfg.width + 2*cfg.window_border,
902 inst->font_height * cfg.height + 2*cfg.window_border);
903 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
904 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
905 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
906 gtk_box_pack_start(inst->hbox, inst->area, FALSE, FALSE, 0);
907 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
908
909 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(inst->hbox));
910// gtk_container_add(GTK_CONTAINER(window), inst->sbar);
f7f27309 911
6a5e84dd 912 {
913 GdkGeometry geom;
914 geom.min_width = inst->font_width + 2*cfg.window_border;
915 geom.min_height = inst->font_height + 2*cfg.window_border;
916 geom.max_width = geom.max_height = -1;
917 geom.base_width = 2*cfg.window_border;
918 geom.base_height = 2*cfg.window_border;
919 geom.width_inc = inst->font_width;
920 geom.height_inc = inst->font_height;
921 geom.min_aspect = geom.max_aspect = 0;
922 gtk_window_set_geometry_hints(GTK_WINDOW(window), inst->area, &geom,
923 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
924 GDK_HINT_RESIZE_INC);
925 // FIXME: base_width and base_height don't seem to work properly.
926 // Wonder if this is because base of _zero_ is deprecated, and we
927 // need a nonzero base size? Will it help if I put in the scrollbar?
928 // FIXME also: the scrollbar is not working, find out why.
929 }
f7f27309 930
931 gtk_signal_connect(GTK_OBJECT(window), "destroy",
932 GTK_SIGNAL_FUNC(destroy), inst);
933 gtk_signal_connect(GTK_OBJECT(window), "delete_event",
934 GTK_SIGNAL_FUNC(delete_window), inst);
935 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
936 GTK_SIGNAL_FUNC(key_event), inst);
f7f27309 937 gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
938 GTK_SIGNAL_FUNC(focus_event), inst);
939 gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
940 GTK_SIGNAL_FUNC(focus_event), inst);
941 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
942 GTK_SIGNAL_FUNC(configure_area), inst);
943 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
944 GTK_SIGNAL_FUNC(expose_area), inst);
6a5e84dd 945 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
946 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
f7f27309 947 gtk_timeout_add(20, timer_func, inst);
054d8535 948 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
f7f27309 949 gtk_widget_add_events(GTK_WIDGET(inst->area),
950 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
951
952 gtk_widget_show(inst->area);
6a5e84dd 953 gtk_widget_show(inst->sbar);
954 gtk_widget_show(GTK_WIDGET(inst->hbox));
f7f27309 955 gtk_widget_show(window);
956
d64838e1 957 inst->textcursor = gdk_cursor_new(GDK_XTERM);
958 inst->rawcursor = gdk_cursor_new(GDK_ARROW);
959 gdk_window_set_cursor(inst->area->window, inst->textcursor);
960
1709795f 961 term_init();
962 term_size(24, 80, 2000);
963
f7f27309 964 gtk_main();
965
966 return 0;
967}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator