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[u/mdw/putty] / unix / pterm.c
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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;
e6346999 35 wchar_t *pastein_data;
36 int pastein_data_len;
37 char *pasteout_data;
38 int pasteout_data_len;
83616aab 39 int font_width, font_height;
d64838e1 40};
41
42static struct gui_data the_inst;
43static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
44static int send_raw_mouse;
45
1709795f 46void ldisc_update(int echo, int edit)
47{
48 /*
49 * This is a stub in pterm. If I ever produce a Unix
50 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
51 * then it will require some termios manoeuvring analogous to
52 * that in the Windows plink.c, but here it's meaningless.
53 */
54}
55
56int askappend(char *filename)
57{
58 /*
59 * FIXME: for the moment we just wipe the log file. Since I
60 * haven't yet enabled logging, this shouldn't matter yet!
61 */
62 return 2;
63}
64
65void logevent(char *string)
66{
67 /*
68 * FIXME: event log entries are currently ignored.
69 */
70}
71
72/*
73 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
74 * into a cooked one (SELECT, EXTEND, PASTE).
75 *
76 * In Unix, this is not configurable; the X button arrangement is
77 * rock-solid across all applications, everyone has a three-button
78 * mouse or a means of faking it, and there is no need to switch
79 * buttons around at all.
80 */
81Mouse_Button translate_button(Mouse_Button button)
82{
83 if (button == MBT_LEFT)
84 return MBT_SELECT;
85 if (button == MBT_MIDDLE)
86 return MBT_PASTE;
87 if (button == MBT_RIGHT)
88 return MBT_EXTEND;
89 return 0; /* shouldn't happen */
90}
91
92/*
93 * Minimise or restore the window in response to a server-side
94 * request.
95 */
96void set_iconic(int iconic)
97{
98 /* FIXME: currently ignored */
99}
100
101/*
102 * Move the window in response to a server-side request.
103 */
104void move_window(int x, int y)
105{
106 /* FIXME: currently ignored */
107}
108
109/*
110 * Move the window to the top or bottom of the z-order in response
111 * to a server-side request.
112 */
113void set_zorder(int top)
114{
115 /* FIXME: currently ignored */
116}
117
118/*
119 * Refresh the window in response to a server-side request.
120 */
121void refresh_window(void)
122{
123 /* FIXME: currently ignored */
124}
125
126/*
127 * Maximise or restore the window in response to a server-side
128 * request.
129 */
130void set_zoomed(int zoomed)
131{
132 /* FIXME: currently ignored */
133}
134
135/*
136 * Report whether the window is iconic, for terminal reports.
137 */
138int is_iconic(void)
139{
140 return 0; /* FIXME */
141}
142
143/*
144 * Report the window's position, for terminal reports.
145 */
146void get_window_pos(int *x, int *y)
147{
148 *x = 3; *y = 4; /* FIXME */
149}
150
151/*
152 * Report the window's pixel size, for terminal reports.
153 */
154void get_window_pixels(int *x, int *y)
155{
156 *x = 1; *y = 2; /* FIXME */
157}
158
159/*
160 * Return the window or icon title.
161 */
162char *get_window_title(int icon)
163{
164 return "FIXME: window title retrieval not yet implemented";
165}
f7f27309 166
f7f27309 167gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
168{
169 /*
170 * FIXME: warn on close?
171 */
172 return FALSE;
173}
174
175gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
176{
177 struct gui_data *inst = (struct gui_data *)data;
178
d64838e1 179 if (inst->pixmap)
180 gdk_pixmap_unref(inst->pixmap);
181
83616aab 182 inst->pixmap = gdk_pixmap_new(widget->window,
6a5e84dd 183 (cfg.width * inst->font_width +
184 2*cfg.window_border),
185 (cfg.height * inst->font_height +
186 2*cfg.window_border), -1);
d64838e1 187
6a5e84dd 188 {
189 GdkGC *gc;
190 gc = gdk_gc_new(inst->area->window);
191 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
192 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
193 cfg.width * inst->font_width + 2*cfg.window_border,
194 cfg.height * inst->font_height + 2*cfg.window_border);
195 gdk_gc_unref(gc);
196 }
f7f27309 197
f7f27309 198 /*
199 * Set up the colour map.
200 */
201 inst->colmap = gdk_colormap_get_system();
202 {
d64838e1 203 static const int ww[] = {
204 6, 7, 8, 9, 10, 11, 12, 13,
205 14, 15, 16, 17, 18, 19, 20, 21,
206 0, 1, 2, 3, 4, 5
f7f27309 207 };
d64838e1 208 gboolean success[NCOLOURS];
f7f27309 209 int i;
210
d64838e1 211 assert(lenof(ww) == NCOLOURS);
212
213 for (i = 0; i < NCOLOURS; i++) {
214 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
215 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
216 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
f7f27309 217 }
218
d64838e1 219 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
f7f27309 220 FALSE, FALSE, success);
d64838e1 221 for (i = 0; i < NCOLOURS; i++) {
f7f27309 222 if (!success[i])
d64838e1 223 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
224 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
f7f27309 225 }
226 }
f7f27309 227
228 return TRUE;
229}
230
231gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
232{
1709795f 233 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 234
235 /*
1709795f 236 * Pass the exposed rectangle to terminal.c, which will call us
237 * back to do the actual painting.
f7f27309 238 */
6a5e84dd 239 if (inst->pixmap) {
240 gdk_draw_pixmap(widget->window,
241 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
242 inst->pixmap,
243 event->area.x, event->area.y,
244 event->area.x, event->area.y,
245 event->area.width, event->area.height);
246 }
1709795f 247 return TRUE;
f7f27309 248}
249
250#define KEY_PRESSED(k) \
251 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
252
253gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
254{
1709795f 255 /* struct gui_data *inst = (struct gui_data *)data; */
a57cd64b 256 char output[32];
257 int start, end;
f7f27309 258
1709795f 259 if (event->type == GDK_KEY_PRESS) {
a57cd64b 260#ifdef KEY_DEBUGGING
261 {
262 int i;
263 printf("keypress: keyval = %04x, state = %08x; string =",
264 event->keyval, event->state);
265 for (i = 0; event->string[i]; i++)
266 printf(" %02x", (unsigned char) event->string[i]);
267 printf("\n");
268 }
269#endif
270
271 /*
272 * NYI:
273 * - Shift-PgUp/PgDn for scrollbar
274 * - nethack mode
275 * - alt+numpad
276 * - Compose key (!!! requires Unicode faff before even trying)
a57cd64b 277 */
278
6a5e84dd 279 /*
280 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
281 * at all.
282 */
283 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
284 term_scroll(0, -cfg.height/2);
285 return TRUE;
286 }
287 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
288 term_scroll(0, +cfg.height/2);
289 return TRUE;
290 }
291
2a2c1973 292 /*
293 * Neither does Shift-Ins.
294 */
295 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
296 request_paste();
297 return TRUE;
298 }
299
a57cd64b 300 /* ALT+things gives leading Escape. */
301 output[0] = '\033';
302 strncpy(output+1, event->string, 31);
303 output[31] = '\0';
304 end = strlen(output);
305 if (event->state & GDK_MOD1_MASK)
306 start = 0;
307 else
308 start = 1;
309
310 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
311 if (!event->string[0] && event->keyval == '`' &&
312 (event->state & GDK_CONTROL_MASK)) {
313 output[1] = '\x1C';
314 end = 2;
315 }
316
317 /* Control-Break is the same as Control-C */
318 if (event->keyval == GDK_Break &&
319 (event->state & GDK_CONTROL_MASK)) {
320 output[1] = '\003';
321 end = 2;
322 }
323
324 /* Control-2, Control-Space and Control-@ are NUL */
325 if (!event->string[0] &&
326 (event->keyval == ' ' || event->keyval == '2' ||
327 event->keyval == '@') &&
328 (event->state & (GDK_SHIFT_MASK |
329 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
330 output[1] = '\0';
331 end = 2;
332 }
333
334 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
335 if (!event->string[0] && event->keyval == ' ' &&
336 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
337 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
338 output[1] = '\240';
339 end = 2;
340 }
341
342 /* We don't let GTK tell us what Backspace is! We know better. */
343 if (event->keyval == GDK_BackSpace &&
344 !(event->state & GDK_SHIFT_MASK)) {
345 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
346 end = 2;
347 }
348
349 /* Shift-Tab is ESC [ Z */
350 if (event->keyval == GDK_ISO_Left_Tab ||
351 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
352 end = 1 + sprintf(output+1, "\033[Z");
353 }
354
355 /*
356 * Application keypad mode.
357 */
358 if (app_keypad_keys && !cfg.no_applic_k) {
359 int xkey = 0;
360 switch (event->keyval) {
361 case GDK_Num_Lock: xkey = 'P'; break;
362 case GDK_KP_Divide: xkey = 'Q'; break;
363 case GDK_KP_Multiply: xkey = 'R'; break;
364 case GDK_KP_Subtract: xkey = 'S'; break;
365 /*
366 * Keypad + is tricky. It covers a space that would
367 * be taken up on the VT100 by _two_ keys; so we
368 * let Shift select between the two. Worse still,
369 * in xterm function key mode we change which two...
370 */
371 case GDK_KP_Add:
372 if (cfg.funky_type == 2) {
373 if (event->state & GDK_SHIFT_MASK)
374 xkey = 'l';
375 else
376 xkey = 'k';
377 } else if (event->state & GDK_SHIFT_MASK)
378 xkey = 'm';
379 else
380 xkey = 'l';
381 break;
382 case GDK_KP_Enter: xkey = 'M'; break;
383 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
384 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
385 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
386 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
387 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
388 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
389 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
390 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
391 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
392 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
393 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
394 }
395 if (xkey) {
396 if (vt52_mode) {
397 if (xkey >= 'P' && xkey <= 'S')
398 end = 1 + sprintf(output+1, "\033%c", xkey);
399 else
400 end = 1 + sprintf(output+1, "\033?%c", xkey);
401 } else
402 end = 1 + sprintf(output+1, "\033O%c", xkey);
403 goto done;
404 }
405 }
406
407 /*
408 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
409 * for integer decimal nn.)
410 *
411 * We also deal with the weird ones here. Linux VCs replace F1
412 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
413 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
414 * respectively.
415 */
416 {
417 int code = 0;
418 switch (event->keyval) {
419 case GDK_F1:
420 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
421 break;
422 case GDK_F2:
423 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
424 break;
425 case GDK_F3:
426 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
427 break;
428 case GDK_F4:
429 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
430 break;
431 case GDK_F5:
432 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
433 break;
434 case GDK_F6:
435 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
436 break;
437 case GDK_F7:
438 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
439 break;
440 case GDK_F8:
441 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
442 break;
443 case GDK_F9:
444 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
445 break;
446 case GDK_F10:
447 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
448 break;
449 case GDK_F11:
450 code = 23;
451 break;
452 case GDK_F12:
453 code = 24;
454 break;
455 case GDK_F13:
456 code = 25;
457 break;
458 case GDK_F14:
459 code = 26;
460 break;
461 case GDK_F15:
462 code = 28;
463 break;
464 case GDK_F16:
465 code = 29;
466 break;
467 case GDK_F17:
468 code = 31;
469 break;
470 case GDK_F18:
471 code = 32;
472 break;
473 case GDK_F19:
474 code = 33;
475 break;
476 case GDK_F20:
477 code = 34;
478 break;
479 }
480 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
481 case GDK_Home: case GDK_KP_Home:
482 code = 1;
483 break;
484 case GDK_Insert: case GDK_KP_Insert:
485 code = 2;
486 break;
487 case GDK_Delete: case GDK_KP_Delete:
488 code = 3;
489 break;
490 case GDK_End: case GDK_KP_End:
491 code = 4;
492 break;
493 case GDK_Page_Up: case GDK_KP_Page_Up:
494 code = 5;
495 break;
496 case GDK_Page_Down: case GDK_KP_Page_Down:
497 code = 6;
498 break;
499 }
500 /* Reorder edit keys to physical order */
501 if (cfg.funky_type == 3 && code <= 6)
502 code = "\0\2\1\4\5\3\6"[code];
503
504 if (vt52_mode && code > 0 && code <= 6) {
505 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
506 goto done;
507 }
508
509 if (cfg.funky_type == 5 && /* SCO function keys */
510 code >= 11 && code <= 34) {
511 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
512 int index = 0;
513 switch (event->keyval) {
514 case GDK_F1: index = 0; break;
515 case GDK_F2: index = 1; break;
516 case GDK_F3: index = 2; break;
517 case GDK_F4: index = 3; break;
518 case GDK_F5: index = 4; break;
519 case GDK_F6: index = 5; break;
520 case GDK_F7: index = 6; break;
521 case GDK_F8: index = 7; break;
522 case GDK_F9: index = 8; break;
523 case GDK_F10: index = 9; break;
524 case GDK_F11: index = 10; break;
525 case GDK_F12: index = 11; break;
526 }
527 if (event->state & GDK_SHIFT_MASK) index += 12;
528 if (event->state & GDK_CONTROL_MASK) index += 24;
529 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
530 goto done;
531 }
532 if (cfg.funky_type == 5 && /* SCO small keypad */
533 code >= 1 && code <= 6) {
534 char codes[] = "HL.FIG";
535 if (code == 3) {
536 output[1] = '\x7F';
537 end = 2;
538 } else {
539 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
540 }
541 goto done;
542 }
543 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
544 int offt = 0;
545 if (code > 15)
546 offt++;
547 if (code > 21)
548 offt++;
549 if (vt52_mode)
550 end = 1 + sprintf(output+1,
551 "\x1B%c", code + 'P' - 11 - offt);
552 else
553 end = 1 + sprintf(output+1,
554 "\x1BO%c", code + 'P' - 11 - offt);
555 goto done;
556 }
557 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
558 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
559 goto done;
560 }
561 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
562 if (vt52_mode)
563 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
564 else
565 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
566 goto done;
567 }
568 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
569 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
570 goto done;
571 }
572 if (code) {
573 end = 1 + sprintf(output+1, "\x1B[%d~", code);
574 goto done;
575 }
576 }
577
578 /*
579 * Cursor keys. (This includes the numberpad cursor keys,
580 * if we haven't already done them due to app keypad mode.)
581 *
582 * Here we also process un-numlocked un-appkeypadded KP5,
583 * which sends ESC [ G.
584 */
585 {
586 int xkey = 0;
587 switch (event->keyval) {
588 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
589 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
590 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
591 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
592 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
593 }
594 if (xkey) {
595 /*
596 * The arrow keys normally do ESC [ A and so on. In
597 * app cursor keys mode they do ESC O A instead.
598 * Ctrl toggles the two modes.
599 */
600 if (vt52_mode) {
601 end = 1 + sprintf(output+1, "\033%c", xkey);
602 } else if (!app_cursor_keys ^
603 !(event->state & GDK_CONTROL_MASK)) {
604 end = 1 + sprintf(output+1, "\033O%c", xkey);
605 } else {
606 end = 1 + sprintf(output+1, "\033[%c", xkey);
607 }
608 goto done;
609 }
610 }
611
612 done:
613
614#ifdef KEY_DEBUGGING
615 {
616 int i;
617 printf("generating sequence:");
618 for (i = start; i < end; i++)
619 printf(" %02x", (unsigned char) output[i]);
620 printf("\n");
621 }
622#endif
623 ldisc_send(output+start, end-start, 1);
1709795f 624 term_out();
625 }
626
627 return TRUE;
f7f27309 628}
629
e6346999 630gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
631{
632 struct gui_data *inst = (struct gui_data *)data;
633 int shift, ctrl, alt, x, y, button, act;
634
635 shift = event->state & GDK_SHIFT_MASK;
636 ctrl = event->state & GDK_CONTROL_MASK;
637 alt = event->state & GDK_MOD1_MASK;
638 if (event->button == 1)
639 button = MBT_LEFT;
640 else if (event->button == 2)
641 button = MBT_MIDDLE;
642 else if (event->button == 3)
643 button = MBT_RIGHT;
644 else
645 return FALSE; /* don't even know what button! */
646
647 switch (event->type) {
648 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
649 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
650 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
651 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
652 default: return FALSE; /* don't know this event type */
653 }
654
655 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
656 act != MA_CLICK && act != MA_RELEASE)
657 return TRUE; /* we ignore these in raw mouse mode */
658
659 x = (event->x - cfg.window_border) / inst->font_width;
660 y = (event->y - cfg.window_border) / inst->font_height;
661
662 term_mouse(button, act, x, y, shift, ctrl, alt);
663
664 return TRUE;
665}
666
667gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
668{
669 struct gui_data *inst = (struct gui_data *)data;
670 int shift, ctrl, alt, x, y, button;
671
672 shift = event->state & GDK_SHIFT_MASK;
673 ctrl = event->state & GDK_CONTROL_MASK;
674 alt = event->state & GDK_MOD1_MASK;
675 if (event->state & GDK_BUTTON1_MASK)
676 button = MBT_LEFT;
677 else if (event->state & GDK_BUTTON2_MASK)
678 button = MBT_MIDDLE;
679 else if (event->state & GDK_BUTTON3_MASK)
680 button = MBT_RIGHT;
681 else
682 return FALSE; /* don't even know what button! */
683
684 x = (event->x - cfg.window_border) / inst->font_width;
685 y = (event->y - cfg.window_border) / inst->font_height;
686
687 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
688
689 return TRUE;
690}
691
f7f27309 692gint timer_func(gpointer data)
693{
1709795f 694 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 695
1709795f 696 term_update();
f7f27309 697 return TRUE;
698}
699
054d8535 700void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
701{
702 /* struct gui_data *inst = (struct gui_data *)data; */
703 char buf[4096];
704 int ret;
705
706 ret = read(sourcefd, buf, sizeof(buf));
707
708 /*
709 * Clean termination condition is that either ret == 0, or ret
710 * < 0 and errno == EIO. Not sure why the latter, but it seems
711 * to happen. Boo.
712 */
713 if (ret == 0 || (ret < 0 && errno == EIO)) {
714 exit(0);
715 }
716
717 if (ret < 0) {
718 perror("read pty master");
719 exit(1);
720 }
721 if (ret > 0)
722 from_backend(0, buf, ret);
723 term_out();
724}
725
f7f27309 726void destroy(GtkWidget *widget, gpointer data)
727{
728 gtk_main_quit();
729}
730
731gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
732{
d64838e1 733 has_focus = event->in;
734 term_out();
735 term_update();
1709795f 736 return FALSE;
737}
738
739/*
740 * set or clear the "raw mouse message" mode
741 */
742void set_raw_mouse_mode(int activate)
743{
d64838e1 744 activate = activate && !cfg.no_mouse_rep;
745 send_raw_mouse = activate;
746 if (send_raw_mouse)
747 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
748 else
749 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1709795f 750}
751
752void request_resize(int w, int h)
753{
754 /* FIXME: currently ignored */
755}
756
757void palette_set(int n, int r, int g, int b)
758{
759 /* FIXME: currently ignored */
760}
761void palette_reset(void)
762{
763 /* FIXME: currently ignored */
764}
765
766void write_clip(wchar_t * data, int len, int must_deselect)
767{
e6346999 768 if (inst->pasteout_data)
769 sfree(inst->pasteout_data);
770 inst->pasteout_data = smalloc(len);
771 inst->pasteout_data_len = len;
772 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
773 NULL, NULL);
774
775 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
776 GDK_CURRENT_TIME)) {
777 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
778 GDK_SELECTION_TYPE_STRING, 1);
779 }
780}
781
782void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
783 guint info, guint time_stamp, gpointer data)
784{
785 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
786 inst->pasteout_data, inst->pasteout_data_len);
787}
788
789gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
790 gpointer data)
791{
792 term_deselect();
793 if (inst->pasteout_data)
794 sfree(inst->pasteout_data);
795 inst->pasteout_data = NULL;
796 inst->pasteout_data_len = 0;
797 return TRUE;
798}
799
800void request_paste(void)
801{
802 /*
803 * In Unix, pasting is asynchronous: all we can do at the
804 * moment is to call gtk_selection_convert(), and when the data
805 * comes back _then_ we can call term_do_paste().
806 */
807 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
808 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
809}
810
811void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
812 gpointer data)
813{
814 if (seldata->length <= 0 ||
815 seldata->type != GDK_SELECTION_TYPE_STRING)
816 return; /* Nothing happens. */
817
818 if (inst->pastein_data)
819 sfree(inst->pastein_data);
820
821 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
822 inst->pastein_data_len = seldata->length;
823 mb_to_wc(0, 0, seldata->data, seldata->length,
824 inst->pastein_data, inst->pastein_data_len);
825
826 term_do_paste();
1709795f 827}
828
829void get_clip(wchar_t ** p, int *len)
830{
831 if (p) {
e6346999 832 *p = inst->pastein_data;
833 *len = inst->pastein_data_len;
1709795f 834 }
835}
836
837void set_title(char *title)
838{
839 /* FIXME: currently ignored */
840}
841
842void set_icon(char *title)
843{
844 /* FIXME: currently ignored */
845}
846
847void set_sbar(int total, int start, int page)
848{
6a5e84dd 849 inst->sbar_adjust->lower = 0;
850 inst->sbar_adjust->upper = total;
851 inst->sbar_adjust->value = start;
852 inst->sbar_adjust->page_size = page;
853 inst->sbar_adjust->step_increment = 1;
854 inst->sbar_adjust->page_increment = page/2;
855 gtk_adjustment_changed(inst->sbar_adjust);
856}
857
858void scrollbar_moved(GtkAdjustment *adj, gpointer data)
859{
860 term_scroll(1, (int)adj->value);
1709795f 861}
862
863void sys_cursor(int x, int y)
864{
865 /*
866 * This is meaningless under X.
867 */
868}
869
870void beep(int mode)
871{
872 gdk_beep();
873}
874
875int CharWidth(Context ctx, int uc)
876{
877 /*
878 * Under X, any fixed-width font really _is_ fixed-width.
879 * Double-width characters will be dealt with using a separate
880 * font. For the moment we can simply return 1.
881 */
882 return 1;
883}
884
885Context get_ctx(void)
886{
d64838e1 887 GdkGC *gc;
888 if (!inst->area->window)
889 return NULL;
890 gc = gdk_gc_new(inst->area->window);
1709795f 891 return gc;
892}
893
894void free_ctx(Context ctx)
895{
896 GdkGC *gc = (GdkGC *)ctx;
897 gdk_gc_unref(gc);
898}
899
900/*
901 * Draw a line of text in the window, at given character
902 * coordinates, in given attributes.
903 *
904 * We are allowed to fiddle with the contents of `text'.
905 */
906void do_text(Context ctx, int x, int y, char *text, int len,
907 unsigned long attr, int lattr)
908{
d64838e1 909 int nfg, nbg, t;
1709795f 910 GdkGC *gc = (GdkGC *)ctx;
1709795f 911
d64838e1 912 /*
913 * NYI:
914 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
915 * - LATTR_* (ESC # 4 double-width and double-height stuff)
916 * - cursor shapes other than block
917 * - VT100 line drawing stuff; code pages in general!
918 * - shadow bolding
919 * - underline
920 */
921
922 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
923 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
924 if (attr & ATTR_REVERSE) {
925 t = nfg;
926 nfg = nbg;
927 nbg = t;
928 }
929 if (cfg.bold_colour && (attr & ATTR_BOLD))
930 nfg++;
931 if (cfg.bold_colour && (attr & ATTR_BLINK))
932 nbg++;
933 if (attr & TATTR_ACTCURS) {
934 nfg = NCOLOURS-2;
935 nbg = NCOLOURS-1;
936 }
937
938 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
83616aab 939 gdk_draw_rectangle(inst->pixmap, gc, 1,
6a5e84dd 940 x*inst->font_width+cfg.window_border,
941 y*inst->font_height+cfg.window_border,
83616aab 942 len*inst->font_width, inst->font_height);
6a5e84dd 943
d64838e1 944 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
6a5e84dd 945 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
946 x*inst->font_width+cfg.window_border,
947 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
948 text, len);
d64838e1 949
950 if (attr & ATTR_UNDER) {
951 int uheight = inst->fonts[0]->ascent + 1;
83616aab 952 if (uheight >= inst->font_height)
953 uheight = inst->font_height - 1;
6a5e84dd 954 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
955 y*inst->font_height + uheight + cfg.window_border,
8252e709 956 (x+len)*inst->font_width-1+cfg.window_border,
957 y*inst->font_height + uheight + cfg.window_border);
d64838e1 958 }
959
960 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 961 x*inst->font_width+cfg.window_border,
962 y*inst->font_height+cfg.window_border,
963 x*inst->font_width+cfg.window_border,
964 y*inst->font_height+cfg.window_border,
83616aab 965 len*inst->font_width, inst->font_height);
1709795f 966}
967
968void do_cursor(Context ctx, int x, int y, char *text, int len,
969 unsigned long attr, int lattr)
970{
d64838e1 971 int passive;
972 GdkGC *gc = (GdkGC *)ctx;
973
974 /*
975 * NYI: cursor shapes other than block
976 */
1709795f 977 if (attr & TATTR_PASCURS) {
978 attr &= ~TATTR_PASCURS;
d64838e1 979 passive = 1;
980 } else
981 passive = 0;
1709795f 982 do_text(ctx, x, y, text, len, attr, lattr);
d64838e1 983 if (passive) {
984 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
83616aab 985 gdk_draw_rectangle(inst->pixmap, gc, 0,
6a5e84dd 986 x*inst->font_width+cfg.window_border,
987 y*inst->font_height+cfg.window_border,
83616aab 988 len*inst->font_width-1, inst->font_height-1);
d64838e1 989 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 990 x*inst->font_width+cfg.window_border,
991 y*inst->font_height+cfg.window_border,
992 x*inst->font_width+cfg.window_border,
993 y*inst->font_height+cfg.window_border,
83616aab 994 len*inst->font_width, inst->font_height);
d64838e1 995 }
1709795f 996}
997
998void modalfatalbox(char *p, ...)
999{
1000 va_list ap;
1001 fprintf(stderr, "FATAL ERROR: ");
1002 va_start(ap, p);
1003 vfprintf(stderr, p, ap);
1004 va_end(ap);
1005 fputc('\n', stderr);
1006 exit(1);
f7f27309 1007}
1008
1009int main(int argc, char **argv)
1010{
1011 GtkWidget *window;
054d8535 1012 extern int pty_master_fd; /* declared in pty.c */
f7f27309 1013
1014 gtk_init(&argc, &argv);
1015
1709795f 1016 do_defaults(NULL, &cfg);
1017
83616aab 1018 inst->fonts[0] = gdk_font_load(cfg.font);
1019 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1020 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1021 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1022
1709795f 1023 init_ucs();
1024
1025 back = &pty_backend;
1026 back->init(NULL, 0, NULL, 0);
1027
f7f27309 1028 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1029 inst->area = gtk_drawing_area_new();
1030 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
6a5e84dd 1031 inst->font_width * cfg.width + 2*cfg.window_border,
1032 inst->font_height * cfg.height + 2*cfg.window_border);
1033 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1034 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1035 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1036 gtk_box_pack_start(inst->hbox, inst->area, FALSE, FALSE, 0);
1037 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
1038
1039 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(inst->hbox));
f7f27309 1040
6a5e84dd 1041 {
1042 GdkGeometry geom;
1043 geom.min_width = inst->font_width + 2*cfg.window_border;
1044 geom.min_height = inst->font_height + 2*cfg.window_border;
1045 geom.max_width = geom.max_height = -1;
1046 geom.base_width = 2*cfg.window_border;
1047 geom.base_height = 2*cfg.window_border;
1048 geom.width_inc = inst->font_width;
1049 geom.height_inc = inst->font_height;
1050 geom.min_aspect = geom.max_aspect = 0;
1051 gtk_window_set_geometry_hints(GTK_WINDOW(window), inst->area, &geom,
1052 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1053 GDK_HINT_RESIZE_INC);
6a5e84dd 1054 }
f7f27309 1055
1056 gtk_signal_connect(GTK_OBJECT(window), "destroy",
1057 GTK_SIGNAL_FUNC(destroy), inst);
1058 gtk_signal_connect(GTK_OBJECT(window), "delete_event",
1059 GTK_SIGNAL_FUNC(delete_window), inst);
1060 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
1061 GTK_SIGNAL_FUNC(key_event), inst);
f7f27309 1062 gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
1063 GTK_SIGNAL_FUNC(focus_event), inst);
1064 gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
1065 GTK_SIGNAL_FUNC(focus_event), inst);
1066 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1067 GTK_SIGNAL_FUNC(configure_area), inst);
1068 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1069 GTK_SIGNAL_FUNC(expose_area), inst);
e6346999 1070 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1071 GTK_SIGNAL_FUNC(button_event), inst);
1072 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1073 GTK_SIGNAL_FUNC(button_event), inst);
1074 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1075 GTK_SIGNAL_FUNC(motion_event), inst);
1076 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1077 GTK_SIGNAL_FUNC(selection_received), inst);
1078 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1079 GTK_SIGNAL_FUNC(selection_get), inst);
1080 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1081 GTK_SIGNAL_FUNC(selection_clear), inst);
6a5e84dd 1082 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1083 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
f7f27309 1084 gtk_timeout_add(20, timer_func, inst);
054d8535 1085 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
f7f27309 1086 gtk_widget_add_events(GTK_WIDGET(inst->area),
e6346999 1087 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1088 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1089 GDK_BUTTON_MOTION_MASK);
f7f27309 1090
1091 gtk_widget_show(inst->area);
6a5e84dd 1092 gtk_widget_show(inst->sbar);
1093 gtk_widget_show(GTK_WIDGET(inst->hbox));
f7f27309 1094 gtk_widget_show(window);
1095
d64838e1 1096 inst->textcursor = gdk_cursor_new(GDK_XTERM);
1097 inst->rawcursor = gdk_cursor_new(GDK_ARROW);
1098 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1099
1709795f 1100 term_init();
1101 term_size(24, 80, 2000);
1102
f7f27309 1103 gtk_main();
1104
1105 return 0;
1106}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator