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Selection now supported in pterm. Required small modifications
[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;
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)
277 * - Shift-Ins for paste (need to deal with pasting first)
278 */
279
6a5e84dd 280 /*
281 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
282 * at all.
283 */
284 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
285 term_scroll(0, -cfg.height/2);
286 return TRUE;
287 }
288 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
289 term_scroll(0, +cfg.height/2);
290 return TRUE;
291 }
292
a57cd64b 293 /* ALT+things gives leading Escape. */
294 output[0] = '\033';
295 strncpy(output+1, event->string, 31);
296 output[31] = '\0';
297 end = strlen(output);
298 if (event->state & GDK_MOD1_MASK)
299 start = 0;
300 else
301 start = 1;
302
303 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
304 if (!event->string[0] && event->keyval == '`' &&
305 (event->state & GDK_CONTROL_MASK)) {
306 output[1] = '\x1C';
307 end = 2;
308 }
309
310 /* Control-Break is the same as Control-C */
311 if (event->keyval == GDK_Break &&
312 (event->state & GDK_CONTROL_MASK)) {
313 output[1] = '\003';
314 end = 2;
315 }
316
317 /* Control-2, Control-Space and Control-@ are NUL */
318 if (!event->string[0] &&
319 (event->keyval == ' ' || event->keyval == '2' ||
320 event->keyval == '@') &&
321 (event->state & (GDK_SHIFT_MASK |
322 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
323 output[1] = '\0';
324 end = 2;
325 }
326
327 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
328 if (!event->string[0] && event->keyval == ' ' &&
329 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
330 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
331 output[1] = '\240';
332 end = 2;
333 }
334
335 /* We don't let GTK tell us what Backspace is! We know better. */
336 if (event->keyval == GDK_BackSpace &&
337 !(event->state & GDK_SHIFT_MASK)) {
338 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
339 end = 2;
340 }
341
342 /* Shift-Tab is ESC [ Z */
343 if (event->keyval == GDK_ISO_Left_Tab ||
344 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
345 end = 1 + sprintf(output+1, "\033[Z");
346 }
347
348 /*
349 * Application keypad mode.
350 */
351 if (app_keypad_keys && !cfg.no_applic_k) {
352 int xkey = 0;
353 switch (event->keyval) {
354 case GDK_Num_Lock: xkey = 'P'; break;
355 case GDK_KP_Divide: xkey = 'Q'; break;
356 case GDK_KP_Multiply: xkey = 'R'; break;
357 case GDK_KP_Subtract: xkey = 'S'; break;
358 /*
359 * Keypad + is tricky. It covers a space that would
360 * be taken up on the VT100 by _two_ keys; so we
361 * let Shift select between the two. Worse still,
362 * in xterm function key mode we change which two...
363 */
364 case GDK_KP_Add:
365 if (cfg.funky_type == 2) {
366 if (event->state & GDK_SHIFT_MASK)
367 xkey = 'l';
368 else
369 xkey = 'k';
370 } else if (event->state & GDK_SHIFT_MASK)
371 xkey = 'm';
372 else
373 xkey = 'l';
374 break;
375 case GDK_KP_Enter: xkey = 'M'; break;
376 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
377 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
378 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
379 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
380 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
381 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
382 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
383 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
384 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
385 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
386 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
387 }
388 if (xkey) {
389 if (vt52_mode) {
390 if (xkey >= 'P' && xkey <= 'S')
391 end = 1 + sprintf(output+1, "\033%c", xkey);
392 else
393 end = 1 + sprintf(output+1, "\033?%c", xkey);
394 } else
395 end = 1 + sprintf(output+1, "\033O%c", xkey);
396 goto done;
397 }
398 }
399
400 /*
401 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
402 * for integer decimal nn.)
403 *
404 * We also deal with the weird ones here. Linux VCs replace F1
405 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
406 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
407 * respectively.
408 */
409 {
410 int code = 0;
411 switch (event->keyval) {
412 case GDK_F1:
413 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
414 break;
415 case GDK_F2:
416 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
417 break;
418 case GDK_F3:
419 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
420 break;
421 case GDK_F4:
422 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
423 break;
424 case GDK_F5:
425 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
426 break;
427 case GDK_F6:
428 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
429 break;
430 case GDK_F7:
431 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
432 break;
433 case GDK_F8:
434 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
435 break;
436 case GDK_F9:
437 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
438 break;
439 case GDK_F10:
440 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
441 break;
442 case GDK_F11:
443 code = 23;
444 break;
445 case GDK_F12:
446 code = 24;
447 break;
448 case GDK_F13:
449 code = 25;
450 break;
451 case GDK_F14:
452 code = 26;
453 break;
454 case GDK_F15:
455 code = 28;
456 break;
457 case GDK_F16:
458 code = 29;
459 break;
460 case GDK_F17:
461 code = 31;
462 break;
463 case GDK_F18:
464 code = 32;
465 break;
466 case GDK_F19:
467 code = 33;
468 break;
469 case GDK_F20:
470 code = 34;
471 break;
472 }
473 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
474 case GDK_Home: case GDK_KP_Home:
475 code = 1;
476 break;
477 case GDK_Insert: case GDK_KP_Insert:
478 code = 2;
479 break;
480 case GDK_Delete: case GDK_KP_Delete:
481 code = 3;
482 break;
483 case GDK_End: case GDK_KP_End:
484 code = 4;
485 break;
486 case GDK_Page_Up: case GDK_KP_Page_Up:
487 code = 5;
488 break;
489 case GDK_Page_Down: case GDK_KP_Page_Down:
490 code = 6;
491 break;
492 }
493 /* Reorder edit keys to physical order */
494 if (cfg.funky_type == 3 && code <= 6)
495 code = "\0\2\1\4\5\3\6"[code];
496
497 if (vt52_mode && code > 0 && code <= 6) {
498 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
499 goto done;
500 }
501
502 if (cfg.funky_type == 5 && /* SCO function keys */
503 code >= 11 && code <= 34) {
504 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
505 int index = 0;
506 switch (event->keyval) {
507 case GDK_F1: index = 0; break;
508 case GDK_F2: index = 1; break;
509 case GDK_F3: index = 2; break;
510 case GDK_F4: index = 3; break;
511 case GDK_F5: index = 4; break;
512 case GDK_F6: index = 5; break;
513 case GDK_F7: index = 6; break;
514 case GDK_F8: index = 7; break;
515 case GDK_F9: index = 8; break;
516 case GDK_F10: index = 9; break;
517 case GDK_F11: index = 10; break;
518 case GDK_F12: index = 11; break;
519 }
520 if (event->state & GDK_SHIFT_MASK) index += 12;
521 if (event->state & GDK_CONTROL_MASK) index += 24;
522 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
523 goto done;
524 }
525 if (cfg.funky_type == 5 && /* SCO small keypad */
526 code >= 1 && code <= 6) {
527 char codes[] = "HL.FIG";
528 if (code == 3) {
529 output[1] = '\x7F';
530 end = 2;
531 } else {
532 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
533 }
534 goto done;
535 }
536 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
537 int offt = 0;
538 if (code > 15)
539 offt++;
540 if (code > 21)
541 offt++;
542 if (vt52_mode)
543 end = 1 + sprintf(output+1,
544 "\x1B%c", code + 'P' - 11 - offt);
545 else
546 end = 1 + sprintf(output+1,
547 "\x1BO%c", code + 'P' - 11 - offt);
548 goto done;
549 }
550 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
551 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
552 goto done;
553 }
554 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
555 if (vt52_mode)
556 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
557 else
558 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
559 goto done;
560 }
561 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
562 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
563 goto done;
564 }
565 if (code) {
566 end = 1 + sprintf(output+1, "\x1B[%d~", code);
567 goto done;
568 }
569 }
570
571 /*
572 * Cursor keys. (This includes the numberpad cursor keys,
573 * if we haven't already done them due to app keypad mode.)
574 *
575 * Here we also process un-numlocked un-appkeypadded KP5,
576 * which sends ESC [ G.
577 */
578 {
579 int xkey = 0;
580 switch (event->keyval) {
581 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
582 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
583 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
584 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
585 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
586 }
587 if (xkey) {
588 /*
589 * The arrow keys normally do ESC [ A and so on. In
590 * app cursor keys mode they do ESC O A instead.
591 * Ctrl toggles the two modes.
592 */
593 if (vt52_mode) {
594 end = 1 + sprintf(output+1, "\033%c", xkey);
595 } else if (!app_cursor_keys ^
596 !(event->state & GDK_CONTROL_MASK)) {
597 end = 1 + sprintf(output+1, "\033O%c", xkey);
598 } else {
599 end = 1 + sprintf(output+1, "\033[%c", xkey);
600 }
601 goto done;
602 }
603 }
604
605 done:
606
607#ifdef KEY_DEBUGGING
608 {
609 int i;
610 printf("generating sequence:");
611 for (i = start; i < end; i++)
612 printf(" %02x", (unsigned char) output[i]);
613 printf("\n");
614 }
615#endif
616 ldisc_send(output+start, end-start, 1);
1709795f 617 term_out();
618 }
619
620 return TRUE;
f7f27309 621}
622
e6346999 623gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
624{
625 struct gui_data *inst = (struct gui_data *)data;
626 int shift, ctrl, alt, x, y, button, act;
627
628 shift = event->state & GDK_SHIFT_MASK;
629 ctrl = event->state & GDK_CONTROL_MASK;
630 alt = event->state & GDK_MOD1_MASK;
631 if (event->button == 1)
632 button = MBT_LEFT;
633 else if (event->button == 2)
634 button = MBT_MIDDLE;
635 else if (event->button == 3)
636 button = MBT_RIGHT;
637 else
638 return FALSE; /* don't even know what button! */
639
640 switch (event->type) {
641 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
642 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
643 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
644 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
645 default: return FALSE; /* don't know this event type */
646 }
647
648 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
649 act != MA_CLICK && act != MA_RELEASE)
650 return TRUE; /* we ignore these in raw mouse mode */
651
652 x = (event->x - cfg.window_border) / inst->font_width;
653 y = (event->y - cfg.window_border) / inst->font_height;
654
655 term_mouse(button, act, x, y, shift, ctrl, alt);
656
657 return TRUE;
658}
659
660gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
661{
662 struct gui_data *inst = (struct gui_data *)data;
663 int shift, ctrl, alt, x, y, button;
664
665 shift = event->state & GDK_SHIFT_MASK;
666 ctrl = event->state & GDK_CONTROL_MASK;
667 alt = event->state & GDK_MOD1_MASK;
668 if (event->state & GDK_BUTTON1_MASK)
669 button = MBT_LEFT;
670 else if (event->state & GDK_BUTTON2_MASK)
671 button = MBT_MIDDLE;
672 else if (event->state & GDK_BUTTON3_MASK)
673 button = MBT_RIGHT;
674 else
675 return FALSE; /* don't even know what button! */
676
677 x = (event->x - cfg.window_border) / inst->font_width;
678 y = (event->y - cfg.window_border) / inst->font_height;
679
680 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
681
682 return TRUE;
683}
684
f7f27309 685gint timer_func(gpointer data)
686{
1709795f 687 /* struct gui_data *inst = (struct gui_data *)data; */
f7f27309 688
1709795f 689 term_update();
f7f27309 690 return TRUE;
691}
692
054d8535 693void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
694{
695 /* struct gui_data *inst = (struct gui_data *)data; */
696 char buf[4096];
697 int ret;
698
699 ret = read(sourcefd, buf, sizeof(buf));
700
701 /*
702 * Clean termination condition is that either ret == 0, or ret
703 * < 0 and errno == EIO. Not sure why the latter, but it seems
704 * to happen. Boo.
705 */
706 if (ret == 0 || (ret < 0 && errno == EIO)) {
707 exit(0);
708 }
709
710 if (ret < 0) {
711 perror("read pty master");
712 exit(1);
713 }
714 if (ret > 0)
715 from_backend(0, buf, ret);
716 term_out();
717}
718
f7f27309 719void destroy(GtkWidget *widget, gpointer data)
720{
721 gtk_main_quit();
722}
723
724gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
725{
d64838e1 726 has_focus = event->in;
727 term_out();
728 term_update();
1709795f 729 return FALSE;
730}
731
732/*
733 * set or clear the "raw mouse message" mode
734 */
735void set_raw_mouse_mode(int activate)
736{
d64838e1 737 activate = activate && !cfg.no_mouse_rep;
738 send_raw_mouse = activate;
739 if (send_raw_mouse)
740 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
741 else
742 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1709795f 743}
744
745void request_resize(int w, int h)
746{
747 /* FIXME: currently ignored */
748}
749
750void palette_set(int n, int r, int g, int b)
751{
752 /* FIXME: currently ignored */
753}
754void palette_reset(void)
755{
756 /* FIXME: currently ignored */
757}
758
759void write_clip(wchar_t * data, int len, int must_deselect)
760{
e6346999 761 if (inst->pasteout_data)
762 sfree(inst->pasteout_data);
763 inst->pasteout_data = smalloc(len);
764 inst->pasteout_data_len = len;
765 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
766 NULL, NULL);
767
768 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
769 GDK_CURRENT_TIME)) {
770 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
771 GDK_SELECTION_TYPE_STRING, 1);
772 }
773}
774
775void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
776 guint info, guint time_stamp, gpointer data)
777{
778 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
779 inst->pasteout_data, inst->pasteout_data_len);
780}
781
782gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
783 gpointer data)
784{
785 term_deselect();
786 if (inst->pasteout_data)
787 sfree(inst->pasteout_data);
788 inst->pasteout_data = NULL;
789 inst->pasteout_data_len = 0;
790 return TRUE;
791}
792
793void request_paste(void)
794{
795 /*
796 * In Unix, pasting is asynchronous: all we can do at the
797 * moment is to call gtk_selection_convert(), and when the data
798 * comes back _then_ we can call term_do_paste().
799 */
800 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
801 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
802}
803
804void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
805 gpointer data)
806{
807 if (seldata->length <= 0 ||
808 seldata->type != GDK_SELECTION_TYPE_STRING)
809 return; /* Nothing happens. */
810
811 if (inst->pastein_data)
812 sfree(inst->pastein_data);
813
814 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
815 inst->pastein_data_len = seldata->length;
816 mb_to_wc(0, 0, seldata->data, seldata->length,
817 inst->pastein_data, inst->pastein_data_len);
818
819 term_do_paste();
1709795f 820}
821
822void get_clip(wchar_t ** p, int *len)
823{
824 if (p) {
e6346999 825 *p = inst->pastein_data;
826 *len = inst->pastein_data_len;
1709795f 827 }
828}
829
830void set_title(char *title)
831{
832 /* FIXME: currently ignored */
833}
834
835void set_icon(char *title)
836{
837 /* FIXME: currently ignored */
838}
839
840void set_sbar(int total, int start, int page)
841{
6a5e84dd 842 inst->sbar_adjust->lower = 0;
843 inst->sbar_adjust->upper = total;
844 inst->sbar_adjust->value = start;
845 inst->sbar_adjust->page_size = page;
846 inst->sbar_adjust->step_increment = 1;
847 inst->sbar_adjust->page_increment = page/2;
848 gtk_adjustment_changed(inst->sbar_adjust);
849}
850
851void scrollbar_moved(GtkAdjustment *adj, gpointer data)
852{
853 term_scroll(1, (int)adj->value);
1709795f 854}
855
856void sys_cursor(int x, int y)
857{
858 /*
859 * This is meaningless under X.
860 */
861}
862
863void beep(int mode)
864{
865 gdk_beep();
866}
867
868int CharWidth(Context ctx, int uc)
869{
870 /*
871 * Under X, any fixed-width font really _is_ fixed-width.
872 * Double-width characters will be dealt with using a separate
873 * font. For the moment we can simply return 1.
874 */
875 return 1;
876}
877
878Context get_ctx(void)
879{
d64838e1 880 GdkGC *gc;
881 if (!inst->area->window)
882 return NULL;
883 gc = gdk_gc_new(inst->area->window);
1709795f 884 return gc;
885}
886
887void free_ctx(Context ctx)
888{
889 GdkGC *gc = (GdkGC *)ctx;
890 gdk_gc_unref(gc);
891}
892
893/*
894 * Draw a line of text in the window, at given character
895 * coordinates, in given attributes.
896 *
897 * We are allowed to fiddle with the contents of `text'.
898 */
899void do_text(Context ctx, int x, int y, char *text, int len,
900 unsigned long attr, int lattr)
901{
d64838e1 902 int nfg, nbg, t;
1709795f 903 GdkGC *gc = (GdkGC *)ctx;
1709795f 904
d64838e1 905 /*
906 * NYI:
907 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
908 * - LATTR_* (ESC # 4 double-width and double-height stuff)
909 * - cursor shapes other than block
910 * - VT100 line drawing stuff; code pages in general!
911 * - shadow bolding
912 * - underline
913 */
914
915 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
916 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
917 if (attr & ATTR_REVERSE) {
918 t = nfg;
919 nfg = nbg;
920 nbg = t;
921 }
922 if (cfg.bold_colour && (attr & ATTR_BOLD))
923 nfg++;
924 if (cfg.bold_colour && (attr & ATTR_BLINK))
925 nbg++;
926 if (attr & TATTR_ACTCURS) {
927 nfg = NCOLOURS-2;
928 nbg = NCOLOURS-1;
929 }
930
931 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
83616aab 932 gdk_draw_rectangle(inst->pixmap, gc, 1,
6a5e84dd 933 x*inst->font_width+cfg.window_border,
934 y*inst->font_height+cfg.window_border,
83616aab 935 len*inst->font_width, inst->font_height);
6a5e84dd 936
d64838e1 937 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
6a5e84dd 938 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
939 x*inst->font_width+cfg.window_border,
940 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
941 text, len);
d64838e1 942
943 if (attr & ATTR_UNDER) {
944 int uheight = inst->fonts[0]->ascent + 1;
83616aab 945 if (uheight >= inst->font_height)
946 uheight = inst->font_height - 1;
6a5e84dd 947 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
948 y*inst->font_height + uheight + cfg.window_border,
8252e709 949 (x+len)*inst->font_width-1+cfg.window_border,
950 y*inst->font_height + uheight + cfg.window_border);
d64838e1 951 }
952
953 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 954 x*inst->font_width+cfg.window_border,
955 y*inst->font_height+cfg.window_border,
956 x*inst->font_width+cfg.window_border,
957 y*inst->font_height+cfg.window_border,
83616aab 958 len*inst->font_width, inst->font_height);
1709795f 959}
960
961void do_cursor(Context ctx, int x, int y, char *text, int len,
962 unsigned long attr, int lattr)
963{
d64838e1 964 int passive;
965 GdkGC *gc = (GdkGC *)ctx;
966
967 /*
968 * NYI: cursor shapes other than block
969 */
1709795f 970 if (attr & TATTR_PASCURS) {
971 attr &= ~TATTR_PASCURS;
d64838e1 972 passive = 1;
973 } else
974 passive = 0;
1709795f 975 do_text(ctx, x, y, text, len, attr, lattr);
d64838e1 976 if (passive) {
977 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
83616aab 978 gdk_draw_rectangle(inst->pixmap, gc, 0,
6a5e84dd 979 x*inst->font_width+cfg.window_border,
980 y*inst->font_height+cfg.window_border,
83616aab 981 len*inst->font_width-1, inst->font_height-1);
d64838e1 982 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
6a5e84dd 983 x*inst->font_width+cfg.window_border,
984 y*inst->font_height+cfg.window_border,
985 x*inst->font_width+cfg.window_border,
986 y*inst->font_height+cfg.window_border,
83616aab 987 len*inst->font_width, inst->font_height);
d64838e1 988 }
1709795f 989}
990
991void modalfatalbox(char *p, ...)
992{
993 va_list ap;
994 fprintf(stderr, "FATAL ERROR: ");
995 va_start(ap, p);
996 vfprintf(stderr, p, ap);
997 va_end(ap);
998 fputc('\n', stderr);
999 exit(1);
f7f27309 1000}
1001
1002int main(int argc, char **argv)
1003{
1004 GtkWidget *window;
054d8535 1005 extern int pty_master_fd; /* declared in pty.c */
f7f27309 1006
1007 gtk_init(&argc, &argv);
1008
1709795f 1009 do_defaults(NULL, &cfg);
1010
83616aab 1011 inst->fonts[0] = gdk_font_load(cfg.font);
1012 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1013 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1014 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1015
1709795f 1016 init_ucs();
1017
1018 back = &pty_backend;
1019 back->init(NULL, 0, NULL, 0);
1020
f7f27309 1021 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1022 inst->area = gtk_drawing_area_new();
1023 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
6a5e84dd 1024 inst->font_width * cfg.width + 2*cfg.window_border,
1025 inst->font_height * cfg.height + 2*cfg.window_border);
1026 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1027 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1028 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1029 gtk_box_pack_start(inst->hbox, inst->area, FALSE, FALSE, 0);
1030 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
1031
1032 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(inst->hbox));
f7f27309 1033
6a5e84dd 1034 {
1035 GdkGeometry geom;
1036 geom.min_width = inst->font_width + 2*cfg.window_border;
1037 geom.min_height = inst->font_height + 2*cfg.window_border;
1038 geom.max_width = geom.max_height = -1;
1039 geom.base_width = 2*cfg.window_border;
1040 geom.base_height = 2*cfg.window_border;
1041 geom.width_inc = inst->font_width;
1042 geom.height_inc = inst->font_height;
1043 geom.min_aspect = geom.max_aspect = 0;
1044 gtk_window_set_geometry_hints(GTK_WINDOW(window), inst->area, &geom,
1045 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1046 GDK_HINT_RESIZE_INC);
6a5e84dd 1047 }
f7f27309 1048
1049 gtk_signal_connect(GTK_OBJECT(window), "destroy",
1050 GTK_SIGNAL_FUNC(destroy), inst);
1051 gtk_signal_connect(GTK_OBJECT(window), "delete_event",
1052 GTK_SIGNAL_FUNC(delete_window), inst);
1053 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
1054 GTK_SIGNAL_FUNC(key_event), inst);
f7f27309 1055 gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
1056 GTK_SIGNAL_FUNC(focus_event), inst);
1057 gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
1058 GTK_SIGNAL_FUNC(focus_event), inst);
1059 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1060 GTK_SIGNAL_FUNC(configure_area), inst);
1061 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1062 GTK_SIGNAL_FUNC(expose_area), inst);
e6346999 1063 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1064 GTK_SIGNAL_FUNC(button_event), inst);
1065 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1066 GTK_SIGNAL_FUNC(button_event), inst);
1067 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1068 GTK_SIGNAL_FUNC(motion_event), inst);
1069 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1070 GTK_SIGNAL_FUNC(selection_received), inst);
1071 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1072 GTK_SIGNAL_FUNC(selection_get), inst);
1073 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1074 GTK_SIGNAL_FUNC(selection_clear), inst);
6a5e84dd 1075 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1076 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
f7f27309 1077 gtk_timeout_add(20, timer_func, inst);
054d8535 1078 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
f7f27309 1079 gtk_widget_add_events(GTK_WIDGET(inst->area),
e6346999 1080 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1081 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1082 GDK_BUTTON_MOTION_MASK);
f7f27309 1083
1084 gtk_widget_show(inst->area);
6a5e84dd 1085 gtk_widget_show(inst->sbar);
1086 gtk_widget_show(GTK_WIDGET(inst->hbox));
f7f27309 1087 gtk_widget_show(window);
1088
d64838e1 1089 inst->textcursor = gdk_cursor_new(GDK_XTERM);
1090 inst->rawcursor = gdk_cursor_new(GDK_ARROW);
1091 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1092
1709795f 1093 term_init();
1094 term_size(24, 80, 2000);
1095
f7f27309 1096 gtk_main();
1097
1098 return 0;
1099}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator