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Don't forget to set $TERM when we spawn the pty. Of course I haven't
[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;
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;
88e6b9ca 40 int ignore_sbar;
dd72dfa3 41 GdkAtom compound_text_atom;
d64838e1 42};
43
44static struct gui_data the_inst;
45static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
46static int send_raw_mouse;
47
1709795f 48void ldisc_update(int echo, int edit)
49{
50 /*
51 * This is a stub in pterm. If I ever produce a Unix
52 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
53 * then it will require some termios manoeuvring analogous to
54 * that in the Windows plink.c, but here it's meaningless.
55 */
56}
57
58int askappend(char *filename)
59{
60 /*
61 * FIXME: for the moment we just wipe the log file. Since I
62 * haven't yet enabled logging, this shouldn't matter yet!
63 */
64 return 2;
65}
66
67void logevent(char *string)
68{
69 /*
70 * FIXME: event log entries are currently ignored.
71 */
72}
73
74/*
75 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
76 * into a cooked one (SELECT, EXTEND, PASTE).
77 *
78 * In Unix, this is not configurable; the X button arrangement is
79 * rock-solid across all applications, everyone has a three-button
80 * mouse or a means of faking it, and there is no need to switch
81 * buttons around at all.
82 */
83Mouse_Button translate_button(Mouse_Button button)
84{
85 if (button == MBT_LEFT)
86 return MBT_SELECT;
87 if (button == MBT_MIDDLE)
88 return MBT_PASTE;
89 if (button == MBT_RIGHT)
90 return MBT_EXTEND;
91 return 0; /* shouldn't happen */
92}
93
94/*
95 * Minimise or restore the window in response to a server-side
96 * request.
97 */
98void set_iconic(int iconic)
99{
100 /* FIXME: currently ignored */
101}
102
103/*
104 * Move the window in response to a server-side request.
105 */
106void move_window(int x, int y)
107{
108 /* FIXME: currently ignored */
109}
110
111/*
112 * Move the window to the top or bottom of the z-order in response
113 * to a server-side request.
114 */
115void set_zorder(int top)
116{
117 /* FIXME: currently ignored */
118}
119
120/*
121 * Refresh the window in response to a server-side request.
122 */
123void refresh_window(void)
124{
125 /* FIXME: currently ignored */
126}
127
128/*
129 * Maximise or restore the window in response to a server-side
130 * request.
131 */
132void set_zoomed(int zoomed)
133{
134 /* FIXME: currently ignored */
135}
136
137/*
138 * Report whether the window is iconic, for terminal reports.
139 */
140int is_iconic(void)
141{
142 return 0; /* FIXME */
143}
144
145/*
146 * Report the window's position, for terminal reports.
147 */
148void get_window_pos(int *x, int *y)
149{
150 *x = 3; *y = 4; /* FIXME */
151}
152
153/*
154 * Report the window's pixel size, for terminal reports.
155 */
156void get_window_pixels(int *x, int *y)
157{
158 *x = 1; *y = 2; /* FIXME */
159}
160
161/*
162 * Return the window or icon title.
163 */
164char *get_window_title(int icon)
165{
166 return "FIXME: window title retrieval not yet implemented";
167}
f7f27309 168
f7f27309 169gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
170{
171 /*
172 * FIXME: warn on close?
173 */
174 return FALSE;
175}
176
177gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
178{
179 struct gui_data *inst = (struct gui_data *)data;
88e6b9ca 180 int w, h, need_size = 0;
f7f27309 181
88e6b9ca 182 w = (event->width - 2*cfg.window_border) / inst->font_width;
183 h = (event->height - 2*cfg.window_border) / inst->font_height;
d64838e1 184
88e6b9ca 185 if (w != cfg.width || h != cfg.height) {
186 if (inst->pixmap) {
187 gdk_pixmap_unref(inst->pixmap);
188 inst->pixmap = NULL;
189 }
190 cfg.width = w;
191 cfg.height = h;
192 need_size = 1;
193 }
194 if (!inst->pixmap) {
6a5e84dd 195 GdkGC *gc;
88e6b9ca 196
197 inst->pixmap = gdk_pixmap_new(widget->window,
198 (cfg.width * inst->font_width +
199 2*cfg.window_border),
200 (cfg.height * inst->font_height +
201 2*cfg.window_border), -1);
202
6a5e84dd 203 gc = gdk_gc_new(inst->area->window);
204 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
205 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
206 cfg.width * inst->font_width + 2*cfg.window_border,
207 cfg.height * inst->font_height + 2*cfg.window_border);
208 gdk_gc_unref(gc);
209 }
f7f27309 210
88e6b9ca 211 if (need_size) {
212 term_size(h, w, cfg.savelines);
213 }
214
f7f27309 215 /*
216 * Set up the colour map.
217 */
88e6b9ca 218 if (!inst->colmap) {
d64838e1 219 static const int ww[] = {
220 6, 7, 8, 9, 10, 11, 12, 13,
221 14, 15, 16, 17, 18, 19, 20, 21,
222 0, 1, 2, 3, 4, 5
f7f27309 223 };
d64838e1 224 gboolean success[NCOLOURS];
f7f27309 225 int i;
226
88e6b9ca 227 inst->colmap = gdk_colormap_get_system();
228
d64838e1 229 assert(lenof(ww) == NCOLOURS);
230
231 for (i = 0; i < NCOLOURS; i++) {
232 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
233 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
234 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
f7f27309 235 }
236
d64838e1 237 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
f7f27309 238 FALSE, FALSE, success);
d64838e1 239 for (i = 0; i < NCOLOURS; i++) {
f7f27309 240 if (!success[i])
d64838e1 241 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
242 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
f7f27309 243 }
244 }
f7f27309 245
246 return TRUE;
247}
248
249gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
250{
1709795f 251 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 252
253 /*
1709795f 254 * Pass the exposed rectangle to terminal.c, which will call us
255 * back to do the actual painting.
f7f27309 256 */
6a5e84dd 257 if (inst->pixmap) {
258 gdk_draw_pixmap(widget->window,
259 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
260 inst->pixmap,
261 event->area.x, event->area.y,
262 event->area.x, event->area.y,
263 event->area.width, event->area.height);
264 }
1709795f 265 return TRUE;
f7f27309 266}
267
268#define KEY_PRESSED(k) \
269 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
270
271gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
272{
1709795f 273 /* struct gui_data *inst = (struct gui_data *)data; */
a57cd64b 274 char output[32];
275 int start, end;
f7f27309 276
1709795f 277 if (event->type == GDK_KEY_PRESS) {
a57cd64b 278#ifdef KEY_DEBUGGING
279 {
280 int i;
281 printf("keypress: keyval = %04x, state = %08x; string =",
282 event->keyval, event->state);
283 for (i = 0; event->string[i]; i++)
284 printf(" %02x", (unsigned char) event->string[i]);
285 printf("\n");
286 }
287#endif
288
289 /*
290 * NYI:
a57cd64b 291 * - nethack mode
292 * - alt+numpad
293 * - Compose key (!!! requires Unicode faff before even trying)
a57cd64b 294 */
295
6a5e84dd 296 /*
297 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
298 * at all.
299 */
300 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
301 term_scroll(0, -cfg.height/2);
302 return TRUE;
303 }
304 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
305 term_scroll(0, +cfg.height/2);
306 return TRUE;
307 }
308
2a2c1973 309 /*
310 * Neither does Shift-Ins.
311 */
312 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
313 request_paste();
314 return TRUE;
315 }
316
a57cd64b 317 /* ALT+things gives leading Escape. */
318 output[0] = '\033';
319 strncpy(output+1, event->string, 31);
320 output[31] = '\0';
321 end = strlen(output);
322 if (event->state & GDK_MOD1_MASK)
323 start = 0;
324 else
325 start = 1;
326
327 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
328 if (!event->string[0] && event->keyval == '`' &&
329 (event->state & GDK_CONTROL_MASK)) {
330 output[1] = '\x1C';
331 end = 2;
332 }
333
334 /* Control-Break is the same as Control-C */
335 if (event->keyval == GDK_Break &&
336 (event->state & GDK_CONTROL_MASK)) {
337 output[1] = '\003';
338 end = 2;
339 }
340
341 /* Control-2, Control-Space and Control-@ are NUL */
342 if (!event->string[0] &&
343 (event->keyval == ' ' || event->keyval == '2' ||
344 event->keyval == '@') &&
345 (event->state & (GDK_SHIFT_MASK |
346 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
347 output[1] = '\0';
348 end = 2;
349 }
350
351 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
352 if (!event->string[0] && event->keyval == ' ' &&
353 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
354 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
355 output[1] = '\240';
356 end = 2;
357 }
358
359 /* We don't let GTK tell us what Backspace is! We know better. */
360 if (event->keyval == GDK_BackSpace &&
361 !(event->state & GDK_SHIFT_MASK)) {
362 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
363 end = 2;
364 }
365
366 /* Shift-Tab is ESC [ Z */
367 if (event->keyval == GDK_ISO_Left_Tab ||
368 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
369 end = 1 + sprintf(output+1, "\033[Z");
370 }
371
372 /*
373 * Application keypad mode.
374 */
375 if (app_keypad_keys && !cfg.no_applic_k) {
376 int xkey = 0;
377 switch (event->keyval) {
378 case GDK_Num_Lock: xkey = 'P'; break;
379 case GDK_KP_Divide: xkey = 'Q'; break;
380 case GDK_KP_Multiply: xkey = 'R'; break;
381 case GDK_KP_Subtract: xkey = 'S'; break;
382 /*
383 * Keypad + is tricky. It covers a space that would
384 * be taken up on the VT100 by _two_ keys; so we
385 * let Shift select between the two. Worse still,
386 * in xterm function key mode we change which two...
387 */
388 case GDK_KP_Add:
389 if (cfg.funky_type == 2) {
390 if (event->state & GDK_SHIFT_MASK)
391 xkey = 'l';
392 else
393 xkey = 'k';
394 } else if (event->state & GDK_SHIFT_MASK)
395 xkey = 'm';
396 else
397 xkey = 'l';
398 break;
399 case GDK_KP_Enter: xkey = 'M'; break;
400 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
401 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
402 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
403 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
404 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
405 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
406 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
407 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
408 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
409 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
410 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
411 }
412 if (xkey) {
413 if (vt52_mode) {
414 if (xkey >= 'P' && xkey <= 'S')
415 end = 1 + sprintf(output+1, "\033%c", xkey);
416 else
417 end = 1 + sprintf(output+1, "\033?%c", xkey);
418 } else
419 end = 1 + sprintf(output+1, "\033O%c", xkey);
420 goto done;
421 }
422 }
423
424 /*
425 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
426 * for integer decimal nn.)
427 *
428 * We also deal with the weird ones here. Linux VCs replace F1
429 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
430 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
431 * respectively.
432 */
433 {
434 int code = 0;
435 switch (event->keyval) {
436 case GDK_F1:
437 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
438 break;
439 case GDK_F2:
440 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
441 break;
442 case GDK_F3:
443 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
444 break;
445 case GDK_F4:
446 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
447 break;
448 case GDK_F5:
449 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
450 break;
451 case GDK_F6:
452 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
453 break;
454 case GDK_F7:
455 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
456 break;
457 case GDK_F8:
458 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
459 break;
460 case GDK_F9:
461 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
462 break;
463 case GDK_F10:
464 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
465 break;
466 case GDK_F11:
467 code = 23;
468 break;
469 case GDK_F12:
470 code = 24;
471 break;
472 case GDK_F13:
473 code = 25;
474 break;
475 case GDK_F14:
476 code = 26;
477 break;
478 case GDK_F15:
479 code = 28;
480 break;
481 case GDK_F16:
482 code = 29;
483 break;
484 case GDK_F17:
485 code = 31;
486 break;
487 case GDK_F18:
488 code = 32;
489 break;
490 case GDK_F19:
491 code = 33;
492 break;
493 case GDK_F20:
494 code = 34;
495 break;
496 }
497 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
498 case GDK_Home: case GDK_KP_Home:
499 code = 1;
500 break;
501 case GDK_Insert: case GDK_KP_Insert:
502 code = 2;
503 break;
504 case GDK_Delete: case GDK_KP_Delete:
505 code = 3;
506 break;
507 case GDK_End: case GDK_KP_End:
508 code = 4;
509 break;
510 case GDK_Page_Up: case GDK_KP_Page_Up:
511 code = 5;
512 break;
513 case GDK_Page_Down: case GDK_KP_Page_Down:
514 code = 6;
515 break;
516 }
517 /* Reorder edit keys to physical order */
518 if (cfg.funky_type == 3 && code <= 6)
519 code = "\0\2\1\4\5\3\6"[code];
520
521 if (vt52_mode && code > 0 && code <= 6) {
522 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
523 goto done;
524 }
525
526 if (cfg.funky_type == 5 && /* SCO function keys */
527 code >= 11 && code <= 34) {
528 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
529 int index = 0;
530 switch (event->keyval) {
531 case GDK_F1: index = 0; break;
532 case GDK_F2: index = 1; break;
533 case GDK_F3: index = 2; break;
534 case GDK_F4: index = 3; break;
535 case GDK_F5: index = 4; break;
536 case GDK_F6: index = 5; break;
537 case GDK_F7: index = 6; break;
538 case GDK_F8: index = 7; break;
539 case GDK_F9: index = 8; break;
540 case GDK_F10: index = 9; break;
541 case GDK_F11: index = 10; break;
542 case GDK_F12: index = 11; break;
543 }
544 if (event->state & GDK_SHIFT_MASK) index += 12;
545 if (event->state & GDK_CONTROL_MASK) index += 24;
546 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
547 goto done;
548 }
549 if (cfg.funky_type == 5 && /* SCO small keypad */
550 code >= 1 && code <= 6) {
551 char codes[] = "HL.FIG";
552 if (code == 3) {
553 output[1] = '\x7F';
554 end = 2;
555 } else {
556 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
557 }
558 goto done;
559 }
560 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
561 int offt = 0;
562 if (code > 15)
563 offt++;
564 if (code > 21)
565 offt++;
566 if (vt52_mode)
567 end = 1 + sprintf(output+1,
568 "\x1B%c", code + 'P' - 11 - offt);
569 else
570 end = 1 + sprintf(output+1,
571 "\x1BO%c", code + 'P' - 11 - offt);
572 goto done;
573 }
574 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
575 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
576 goto done;
577 }
578 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
579 if (vt52_mode)
580 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
581 else
582 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
583 goto done;
584 }
585 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
586 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
587 goto done;
588 }
589 if (code) {
590 end = 1 + sprintf(output+1, "\x1B[%d~", code);
591 goto done;
592 }
593 }
594
595 /*
596 * Cursor keys. (This includes the numberpad cursor keys,
597 * if we haven't already done them due to app keypad mode.)
598 *
599 * Here we also process un-numlocked un-appkeypadded KP5,
600 * which sends ESC [ G.
601 */
602 {
603 int xkey = 0;
604 switch (event->keyval) {
605 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
606 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
607 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
608 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
609 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
610 }
611 if (xkey) {
612 /*
613 * The arrow keys normally do ESC [ A and so on. In
614 * app cursor keys mode they do ESC O A instead.
615 * Ctrl toggles the two modes.
616 */
617 if (vt52_mode) {
618 end = 1 + sprintf(output+1, "\033%c", xkey);
619 } else if (!app_cursor_keys ^
620 !(event->state & GDK_CONTROL_MASK)) {
621 end = 1 + sprintf(output+1, "\033O%c", xkey);
622 } else {
623 end = 1 + sprintf(output+1, "\033[%c", xkey);
624 }
625 goto done;
626 }
627 }
628
629 done:
630
631#ifdef KEY_DEBUGGING
632 {
633 int i;
634 printf("generating sequence:");
635 for (i = start; i < end; i++)
636 printf(" %02x", (unsigned char) output[i]);
637 printf("\n");
638 }
639#endif
640 ldisc_send(output+start, end-start, 1);
1709795f 641 term_out();
642 }
643
644 return TRUE;
f7f27309 645}
646
e6346999 647gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
648{
649 struct gui_data *inst = (struct gui_data *)data;
650 int shift, ctrl, alt, x, y, button, act;
651
652 shift = event->state & GDK_SHIFT_MASK;
653 ctrl = event->state & GDK_CONTROL_MASK;
654 alt = event->state & GDK_MOD1_MASK;
655 if (event->button == 1)
656 button = MBT_LEFT;
657 else if (event->button == 2)
658 button = MBT_MIDDLE;
659 else if (event->button == 3)
660 button = MBT_RIGHT;
661 else
662 return FALSE; /* don't even know what button! */
663
664 switch (event->type) {
665 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
666 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
667 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
668 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
669 default: return FALSE; /* don't know this event type */
670 }
671
672 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
673 act != MA_CLICK && act != MA_RELEASE)
674 return TRUE; /* we ignore these in raw mouse mode */
675
676 x = (event->x - cfg.window_border) / inst->font_width;
677 y = (event->y - cfg.window_border) / inst->font_height;
678
679 term_mouse(button, act, x, y, shift, ctrl, alt);
680
681 return TRUE;
682}
683
684gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
685{
686 struct gui_data *inst = (struct gui_data *)data;
687 int shift, ctrl, alt, x, y, button;
688
689 shift = event->state & GDK_SHIFT_MASK;
690 ctrl = event->state & GDK_CONTROL_MASK;
691 alt = event->state & GDK_MOD1_MASK;
692 if (event->state & GDK_BUTTON1_MASK)
693 button = MBT_LEFT;
694 else if (event->state & GDK_BUTTON2_MASK)
695 button = MBT_MIDDLE;
696 else if (event->state & GDK_BUTTON3_MASK)
697 button = MBT_RIGHT;
698 else
699 return FALSE; /* don't even know what button! */
700
701 x = (event->x - cfg.window_border) / inst->font_width;
702 y = (event->y - cfg.window_border) / inst->font_height;
703
704 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
705
706 return TRUE;
707}
708
f7f27309 709gint timer_func(gpointer data)
710{
1709795f 711 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 712
1709795f 713 term_update();
f7f27309 714 return TRUE;
715}
716
054d8535 717void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
718{
719 /* struct gui_data *inst = (struct gui_data *)data; */
720 char buf[4096];
721 int ret;
722
723 ret = read(sourcefd, buf, sizeof(buf));
724
725 /*
726 * Clean termination condition is that either ret == 0, or ret
727 * < 0 and errno == EIO. Not sure why the latter, but it seems
728 * to happen. Boo.
729 */
730 if (ret == 0 || (ret < 0 && errno == EIO)) {
731 exit(0);
732 }
733
734 if (ret < 0) {
735 perror("read pty master");
736 exit(1);
737 }
738 if (ret > 0)
739 from_backend(0, buf, ret);
740 term_out();
741}
742
f7f27309 743void destroy(GtkWidget *widget, gpointer data)
744{
745 gtk_main_quit();
746}
747
748gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
749{
d64838e1 750 has_focus = event->in;
751 term_out();
752 term_update();
1709795f 753 return FALSE;
754}
755
756/*
757 * set or clear the "raw mouse message" mode
758 */
759void set_raw_mouse_mode(int activate)
760{
d64838e1 761 activate = activate && !cfg.no_mouse_rep;
762 send_raw_mouse = activate;
763 if (send_raw_mouse)
764 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
765 else
766 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1709795f 767}
768
769void request_resize(int w, int h)
770{
771 /* FIXME: currently ignored */
772}
773
774void palette_set(int n, int r, int g, int b)
775{
776 /* FIXME: currently ignored */
777}
778void palette_reset(void)
779{
780 /* FIXME: currently ignored */
781}
782
783void write_clip(wchar_t * data, int len, int must_deselect)
784{
e6346999 785 if (inst->pasteout_data)
786 sfree(inst->pasteout_data);
787 inst->pasteout_data = smalloc(len);
788 inst->pasteout_data_len = len;
789 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
790 NULL, NULL);
791
792 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
793 GDK_CURRENT_TIME)) {
794 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
795 GDK_SELECTION_TYPE_STRING, 1);
dd72dfa3 796 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
797 inst->compound_text_atom, 1);
e6346999 798 }
799}
800
801void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
802 guint info, guint time_stamp, gpointer data)
803{
804 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
805 inst->pasteout_data, inst->pasteout_data_len);
806}
807
808gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
809 gpointer data)
810{
811 term_deselect();
812 if (inst->pasteout_data)
813 sfree(inst->pasteout_data);
814 inst->pasteout_data = NULL;
815 inst->pasteout_data_len = 0;
816 return TRUE;
817}
818
819void request_paste(void)
820{
821 /*
822 * In Unix, pasting is asynchronous: all we can do at the
823 * moment is to call gtk_selection_convert(), and when the data
824 * comes back _then_ we can call term_do_paste().
825 */
826 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
827 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
828}
829
830void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
831 gpointer data)
832{
833 if (seldata->length <= 0 ||
834 seldata->type != GDK_SELECTION_TYPE_STRING)
835 return; /* Nothing happens. */
836
837 if (inst->pastein_data)
838 sfree(inst->pastein_data);
839
840 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
841 inst->pastein_data_len = seldata->length;
842 mb_to_wc(0, 0, seldata->data, seldata->length,
843 inst->pastein_data, inst->pastein_data_len);
844
845 term_do_paste();
1709795f 846}
847
848void get_clip(wchar_t ** p, int *len)
849{
850 if (p) {
e6346999 851 *p = inst->pastein_data;
852 *len = inst->pastein_data_len;
1709795f 853 }
854}
855
856void set_title(char *title)
857{
858 /* FIXME: currently ignored */
859}
860
861void set_icon(char *title)
862{
863 /* FIXME: currently ignored */
864}
865
866void set_sbar(int total, int start, int page)
867{
6a5e84dd 868 inst->sbar_adjust->lower = 0;
869 inst->sbar_adjust->upper = total;
870 inst->sbar_adjust->value = start;
871 inst->sbar_adjust->page_size = page;
872 inst->sbar_adjust->step_increment = 1;
873 inst->sbar_adjust->page_increment = page/2;
88e6b9ca 874 inst->ignore_sbar = TRUE;
6a5e84dd 875 gtk_adjustment_changed(inst->sbar_adjust);
88e6b9ca 876 inst->ignore_sbar = FALSE;
6a5e84dd 877}
878
879void scrollbar_moved(GtkAdjustment *adj, gpointer data)
880{
88e6b9ca 881 if (!inst->ignore_sbar)
882 term_scroll(1, (int)adj->value);
1709795f 883}
884
885void sys_cursor(int x, int y)
886{
887 /*
888 * This is meaningless under X.
889 */
890}
891
892void beep(int mode)
893{
894 gdk_beep();
895}
896
897int CharWidth(Context ctx, int uc)
898{
899 /*
900 * Under X, any fixed-width font really _is_ fixed-width.
901 * Double-width characters will be dealt with using a separate
902 * font. For the moment we can simply return 1.
903 */
904 return 1;
905}
906
907Context get_ctx(void)
908{
d64838e1 909 GdkGC *gc;
910 if (!inst->area->window)
911 return NULL;
912 gc = gdk_gc_new(inst->area->window);
1709795f 913 return gc;
914}
915
916void free_ctx(Context ctx)
917{
918 GdkGC *gc = (GdkGC *)ctx;
919 gdk_gc_unref(gc);
920}
921
922/*
923 * Draw a line of text in the window, at given character
924 * coordinates, in given attributes.
925 *
926 * We are allowed to fiddle with the contents of `text'.
927 */
928void do_text(Context ctx, int x, int y, char *text, int len,
929 unsigned long attr, int lattr)
930{
d64838e1 931 int nfg, nbg, t;
1709795f 932 GdkGC *gc = (GdkGC *)ctx;
1709795f 933
d64838e1 934 /*
935 * NYI:
936 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
937 * - LATTR_* (ESC # 4 double-width and double-height stuff)
938 * - cursor shapes other than block
939 * - VT100 line drawing stuff; code pages in general!
940 * - shadow bolding
d64838e1 941 */
942
943 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
944 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
945 if (attr & ATTR_REVERSE) {
946 t = nfg;
947 nfg = nbg;
948 nbg = t;
949 }
950 if (cfg.bold_colour && (attr & ATTR_BOLD))
951 nfg++;
952 if (cfg.bold_colour && (attr & ATTR_BLINK))
953 nbg++;
954 if (attr & TATTR_ACTCURS) {
955 nfg = NCOLOURS-2;
956 nbg = NCOLOURS-1;
957 }
958
959 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
83616aab 960 gdk_draw_rectangle(inst->pixmap, gc, 1,
6a5e84dd 961 x*inst->font_width+cfg.window_border,
962 y*inst->font_height+cfg.window_border,
83616aab 963 len*inst->font_width, inst->font_height);
6a5e84dd 964
d64838e1 965 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
6a5e84dd 966 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
967 x*inst->font_width+cfg.window_border,
968 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
969 text, len);
d64838e1 970
971 if (attr & ATTR_UNDER) {
972 int uheight = inst->fonts[0]->ascent + 1;
83616aab 973 if (uheight >= inst->font_height)
974 uheight = inst->font_height - 1;
6a5e84dd 975 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
976 y*inst->font_height + uheight + cfg.window_border,
8252e709 977 (x+len)*inst->font_width-1+cfg.window_border,
978 y*inst->font_height + uheight + cfg.window_border);
d64838e1 979 }
980
981 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 982 x*inst->font_width+cfg.window_border,
983 y*inst->font_height+cfg.window_border,
984 x*inst->font_width+cfg.window_border,
985 y*inst->font_height+cfg.window_border,
83616aab 986 len*inst->font_width, inst->font_height);
1709795f 987}
988
989void do_cursor(Context ctx, int x, int y, char *text, int len,
990 unsigned long attr, int lattr)
991{
d64838e1 992 int passive;
993 GdkGC *gc = (GdkGC *)ctx;
994
995 /*
996 * NYI: cursor shapes other than block
997 */
1709795f 998 if (attr & TATTR_PASCURS) {
999 attr &= ~TATTR_PASCURS;
d64838e1 1000 passive = 1;
1001 } else
1002 passive = 0;
1709795f 1003 do_text(ctx, x, y, text, len, attr, lattr);
d64838e1 1004 if (passive) {
1005 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
83616aab 1006 gdk_draw_rectangle(inst->pixmap, gc, 0,
6a5e84dd 1007 x*inst->font_width+cfg.window_border,
1008 y*inst->font_height+cfg.window_border,
83616aab 1009 len*inst->font_width-1, inst->font_height-1);
d64838e1 1010 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 1011 x*inst->font_width+cfg.window_border,
1012 y*inst->font_height+cfg.window_border,
1013 x*inst->font_width+cfg.window_border,
1014 y*inst->font_height+cfg.window_border,
83616aab 1015 len*inst->font_width, inst->font_height);
d64838e1 1016 }
1709795f 1017}
1018
7798fa56 1019GdkCursor *make_mouse_ptr(int cursor_val)
1020{
1021 /*
1022 * Truly hideous hack: GTK doesn't allow us to set the mouse
1023 * cursor foreground and background colours unless we've _also_
1024 * created our own cursor from bitmaps. Therefore, I need to
1025 * load the `cursor' font and draw glyphs from it on to
1026 * pixmaps, in order to construct my cursors with the fg and bg
1027 * I want. This is a gross hack, but it's more self-contained
1028 * than linking in Xlib to find the X window handle to
1029 * inst->area and calling XRecolorCursor, and it's more
1030 * futureproof than hard-coding the shapes as bitmap arrays.
1031 */
1032 static GdkFont *cursor_font = NULL;
1033 GdkPixmap *source, *mask;
1034 GdkGC *gc;
1035 GdkColor cfg = { 0, 65535, 65535, 65535 };
1036 GdkColor cbg = { 0, 0, 0, 0 };
1037 GdkColor dfg = { 1, 65535, 65535, 65535 };
1038 GdkColor dbg = { 0, 0, 0, 0 };
1039 GdkCursor *ret;
1040 gchar text[2];
1041 gint lb, rb, wid, asc, desc, w, h, x, y;
1042
1043 if (cursor_val < 0) {
1044 gdk_font_unref(cursor_font);
1045 return NULL;
1046 }
1047
1048 if (!cursor_font)
1049 cursor_font = gdk_font_load("cursor");
1050
1051 /*
1052 * Get the text extent of the cursor in question. We use the
1053 * mask character for this, because it's typically slightly
1054 * bigger than the main character.
1055 */
1056 text[1] = '\0';
1057 text[0] = (char)cursor_val + 1;
1058 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1059 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1060
1061 source = gdk_pixmap_new(NULL, w, h, 1);
1062 mask = gdk_pixmap_new(NULL, w, h, 1);
1063
1064 /*
1065 * Draw the mask character on the mask pixmap.
1066 */
1067 text[1] = '\0';
1068 text[0] = (char)cursor_val + 1;
1069 gc = gdk_gc_new(mask);
1070 gdk_gc_set_foreground(gc, &dbg);
1071 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1072 gdk_gc_set_foreground(gc, &dfg);
1073 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1074 gdk_gc_unref(gc);
1075
1076 /*
1077 * Draw the main character on the source pixmap.
1078 */
1079 text[1] = '\0';
1080 text[0] = (char)cursor_val;
1081 gc = gdk_gc_new(source);
1082 gdk_gc_set_foreground(gc, &dbg);
1083 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1084 gdk_gc_set_foreground(gc, &dfg);
1085 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1086 gdk_gc_unref(gc);
1087
1088 /*
1089 * Create the cursor.
1090 */
1091 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1092
1093 /*
1094 * Clean up.
1095 */
1096 gdk_pixmap_unref(source);
1097 gdk_pixmap_unref(mask);
1098
1099 return ret;
1100}
1101
1709795f 1102void modalfatalbox(char *p, ...)
1103{
1104 va_list ap;
1105 fprintf(stderr, "FATAL ERROR: ");
1106 va_start(ap, p);
1107 vfprintf(stderr, p, ap);
1108 va_end(ap);
1109 fputc('\n', stderr);
1110 exit(1);
f7f27309 1111}
1112
1113int main(int argc, char **argv)
1114{
1115 GtkWidget *window;
054d8535 1116 extern int pty_master_fd; /* declared in pty.c */
6169c758 1117 extern char **pty_argv; /* declared in pty.c */
1118 int err = 0;
f7f27309 1119
1120 gtk_init(&argc, &argv);
1121
1709795f 1122 do_defaults(NULL, &cfg);
1123
6169c758 1124 while (--argc > 0) {
1125 char *p = *++argv;
1126 if (!strcmp(p, "-fn")) {
1127 if (--argc > 0) {
1128 strncpy(cfg.font, *++argv, sizeof(cfg.font));
1129 cfg.font[sizeof(cfg.font)-1] = '\0';
1130 } else
1131 err = 1, fprintf(stderr, "pterm: -fn expects an argument\n");
1132 }
1133 if (!strcmp(p, "-e")) {
1134 if (--argc > 0) {
1135 int i;
1136 pty_argv = smalloc((argc+1) * sizeof(char *));
1137 ++argv;
1138 for (i = 0; i < argc; i++)
1139 pty_argv[i] = argv[i];
1140 pty_argv[argc] = NULL;
1141 break; /* finished command-line processing */
1142 } else
1143 err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
1144 }
1145 }
1146
83616aab 1147 inst->fonts[0] = gdk_font_load(cfg.font);
1148 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1149 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1150 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1151
dd72dfa3 1152 inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1153
1709795f 1154 init_ucs();
1155
1156 back = &pty_backend;
1157 back->init(NULL, 0, NULL, 0);
1158
f7f27309 1159 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1160 inst->area = gtk_drawing_area_new();
1161 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
6a5e84dd 1162 inst->font_width * cfg.width + 2*cfg.window_border,
1163 inst->font_height * cfg.height + 2*cfg.window_border);
1164 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1165 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1166 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
88e6b9ca 1167 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
1168 gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0);
6a5e84dd 1169
1170 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(inst->hbox));
f7f27309 1171
6a5e84dd 1172 {
1173 GdkGeometry geom;
1174 geom.min_width = inst->font_width + 2*cfg.window_border;
1175 geom.min_height = inst->font_height + 2*cfg.window_border;
1176 geom.max_width = geom.max_height = -1;
1177 geom.base_width = 2*cfg.window_border;
1178 geom.base_height = 2*cfg.window_border;
1179 geom.width_inc = inst->font_width;
1180 geom.height_inc = inst->font_height;
1181 geom.min_aspect = geom.max_aspect = 0;
1182 gtk_window_set_geometry_hints(GTK_WINDOW(window), inst->area, &geom,
1183 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1184 GDK_HINT_RESIZE_INC);
6a5e84dd 1185 }
f7f27309 1186
1187 gtk_signal_connect(GTK_OBJECT(window), "destroy",
1188 GTK_SIGNAL_FUNC(destroy), inst);
1189 gtk_signal_connect(GTK_OBJECT(window), "delete_event",
1190 GTK_SIGNAL_FUNC(delete_window), inst);
1191 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
1192 GTK_SIGNAL_FUNC(key_event), inst);
f7f27309 1193 gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
1194 GTK_SIGNAL_FUNC(focus_event), inst);
1195 gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
1196 GTK_SIGNAL_FUNC(focus_event), inst);
1197 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1198 GTK_SIGNAL_FUNC(configure_area), inst);
1199 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1200 GTK_SIGNAL_FUNC(expose_area), inst);
e6346999 1201 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1202 GTK_SIGNAL_FUNC(button_event), inst);
1203 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1204 GTK_SIGNAL_FUNC(button_event), inst);
1205 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1206 GTK_SIGNAL_FUNC(motion_event), inst);
1207 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1208 GTK_SIGNAL_FUNC(selection_received), inst);
1209 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1210 GTK_SIGNAL_FUNC(selection_get), inst);
1211 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1212 GTK_SIGNAL_FUNC(selection_clear), inst);
6a5e84dd 1213 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1214 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
f7f27309 1215 gtk_timeout_add(20, timer_func, inst);
054d8535 1216 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
f7f27309 1217 gtk_widget_add_events(GTK_WIDGET(inst->area),
e6346999 1218 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1219 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1220 GDK_BUTTON_MOTION_MASK);
f7f27309 1221
1222 gtk_widget_show(inst->area);
6a5e84dd 1223 gtk_widget_show(inst->sbar);
1224 gtk_widget_show(GTK_WIDGET(inst->hbox));
f7f27309 1225 gtk_widget_show(window);
1226
7798fa56 1227 inst->textcursor = make_mouse_ptr(GDK_XTERM);
1228 inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
1229 make_mouse_ptr(-1); /* clean up cursor font */
d64838e1 1230 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1231
1709795f 1232 term_init();
1233 term_size(24, 80, 2000);
1234
f7f27309 1235 gtk_main();
1236
1237 return 0;
1238}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator