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.
18 #include <sys/types.h>
21 #include <gdk/gdkkeysyms.h>
24 #include <X11/Xutil.h>
26 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
31 #define CAT2(x,y) x ## y
32 #define CAT(x,y) CAT2(x,y)
33 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
35 #define NCOLOURS (lenof(((Config *)0)->colours))
37 GdkAtom compound_text_atom, utf8_string_atom;
39 extern char **pty_argv; /* declared in pty.c */
40 extern int use_pty_argv;
43 GtkWidget *window, *area, *sbar;
45 GtkAdjustment *sbar_adjust;
46 GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2;
47 GtkWidget *sessionsmenu;
49 GdkFont *fonts[4]; /* normal, bold, wide, widebold */
54 int xpos, ypos, gotpos, gravity;
55 GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
56 GdkColor cols[NCOLOURS];
58 wchar_t *pastein_data;
61 char *pasteout_data, *pasteout_data_utf8;
62 int pasteout_data_len, pasteout_data_utf8_len;
63 int font_width, font_height;
67 guint term_paste_idle_id;
70 char wintitle[sizeof(((Config *)0)->wintitle)];
71 char icontitle[sizeof(((Config *)0)->wintitle)];
72 int master_fd, master_func_id;
79 struct unicode_data ucsdata;
82 char *progname, **gtkargvstart;
88 struct gui_data *inst;
91 static int send_raw_mouse;
93 static char *app_name = "pterm";
95 char *x_get_default(const char *key)
97 return XGetDefault(GDK_DISPLAY(), app_name, key);
100 void connection_fatal(void *frontend, char *p, ...)
102 struct gui_data *inst = (struct gui_data *)frontend;
107 msg = dupvprintf(p, ap);
110 fatal_message_box(inst->window, msg);
112 if (inst->cfg.close_on_exit == FORCE_ON)
117 * Default settings that are specific to pterm.
119 FontSpec platform_default_fontspec(const char *name)
122 if (!strcmp(name, "Font"))
123 strcpy(ret.name, "fixed");
129 Filename platform_default_filename(const char *name)
132 if (!strcmp(name, "LogFileName"))
133 strcpy(ret.path, "putty.log");
139 char *platform_default_s(const char *name)
144 int platform_default_i(const char *name, int def)
146 if (!strcmp(name, "CloseOnExit"))
147 return 2; /* maps to FORCE_ON after painful rearrangement :-( */
148 if (!strcmp(name, "WinNameAlways"))
149 return 0; /* X natively supports icon titles, so use 'em by default */
153 void ldisc_update(void *frontend, int echo, int edit)
156 * This is a stub in pterm. If I ever produce a Unix
157 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
158 * then it will require some termios manoeuvring analogous to
159 * that in the Windows plink.c, but here it's meaningless.
163 int from_backend(void *frontend, int is_stderr, const char *data, int len)
165 struct gui_data *inst = (struct gui_data *)frontend;
166 return term_data(inst->term, is_stderr, data, len);
169 void logevent(void *frontend, char *string)
171 struct gui_data *inst = (struct gui_data *)frontend;
173 log_eventlog(inst->logctx, string);
175 logevent_dlg(inst->eventlogstuff, string);
178 int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
180 struct gui_data *inst = (struct gui_data *)frontend;
183 return inst->font_height;
185 return inst->font_width;
189 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
190 * into a cooked one (SELECT, EXTEND, PASTE).
192 * In Unix, this is not configurable; the X button arrangement is
193 * rock-solid across all applications, everyone has a three-button
194 * mouse or a means of faking it, and there is no need to switch
195 * buttons around at all.
197 static Mouse_Button translate_button(Mouse_Button button)
199 /* struct gui_data *inst = (struct gui_data *)frontend; */
201 if (button == MBT_LEFT)
203 if (button == MBT_MIDDLE)
205 if (button == MBT_RIGHT)
207 return 0; /* shouldn't happen */
211 * Return the top-level GtkWindow associated with a particular
212 * front end instance.
214 void *get_window(void *frontend)
216 struct gui_data *inst = (struct gui_data *)frontend;
221 * Minimise or restore the window in response to a server-side
224 void set_iconic(void *frontend, int iconic)
227 * GTK 1.2 doesn't know how to do this.
229 #if GTK_CHECK_VERSION(2,0,0)
230 struct gui_data *inst = (struct gui_data *)frontend;
232 gtk_window_iconify(GTK_WINDOW(inst->window));
234 gtk_window_deiconify(GTK_WINDOW(inst->window));
239 * Move the window in response to a server-side request.
241 void move_window(void *frontend, int x, int y)
243 struct gui_data *inst = (struct gui_data *)frontend;
245 * I assume that when the GTK version of this call is available
246 * we should use it. Not sure how it differs from the GDK one,
249 #if GTK_CHECK_VERSION(2,0,0)
250 gtk_window_move(GTK_WINDOW(inst->window), x, y);
252 gdk_window_move(inst->window->window, x, y);
257 * Move the window to the top or bottom of the z-order in response
258 * to a server-side request.
260 void set_zorder(void *frontend, int top)
262 struct gui_data *inst = (struct gui_data *)frontend;
264 gdk_window_raise(inst->window->window);
266 gdk_window_lower(inst->window->window);
270 * Refresh the window in response to a server-side request.
272 void refresh_window(void *frontend)
274 struct gui_data *inst = (struct gui_data *)frontend;
275 term_invalidate(inst->term);
279 * Maximise or restore the window in response to a server-side
282 void set_zoomed(void *frontend, int zoomed)
285 * GTK 1.2 doesn't know how to do this.
287 #if GTK_CHECK_VERSION(2,0,0)
288 struct gui_data *inst = (struct gui_data *)frontend;
290 gtk_window_maximize(GTK_WINDOW(inst->window));
292 gtk_window_unmaximize(GTK_WINDOW(inst->window));
297 * Report whether the window is iconic, for terminal reports.
299 int is_iconic(void *frontend)
301 struct gui_data *inst = (struct gui_data *)frontend;
302 return !gdk_window_is_viewable(inst->window->window);
306 * Report the window's position, for terminal reports.
308 void get_window_pos(void *frontend, int *x, int *y)
310 struct gui_data *inst = (struct gui_data *)frontend;
312 * I assume that when the GTK version of this call is available
313 * we should use it. Not sure how it differs from the GDK one,
316 #if GTK_CHECK_VERSION(2,0,0)
317 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
319 gdk_window_get_position(inst->window->window, x, y);
324 * Report the window's pixel size, for terminal reports.
326 void get_window_pixels(void *frontend, int *x, int *y)
328 struct gui_data *inst = (struct gui_data *)frontend;
330 * I assume that when the GTK version of this call is available
331 * we should use it. Not sure how it differs from the GDK one,
334 #if GTK_CHECK_VERSION(2,0,0)
335 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
337 gdk_window_get_size(inst->window->window, x, y);
342 * Return the window or icon title.
344 char *get_window_title(void *frontend, int icon)
346 struct gui_data *inst = (struct gui_data *)frontend;
347 return icon ? inst->wintitle : inst->icontitle;
350 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
352 struct gui_data *inst = (struct gui_data *)data;
353 if (!inst->exited && inst->cfg.warn_on_close) {
354 if (!reallyclose(inst))
360 static void show_mouseptr(struct gui_data *inst, int show)
362 if (!inst->cfg.hide_mouseptr)
365 gdk_window_set_cursor(inst->area->window, inst->currcursor);
367 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
368 inst->mouseptr_visible = show;
371 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
373 struct gui_data *inst = (struct gui_data *)data;
374 int w, h, need_size = 0;
378 * See if the terminal size has changed, in which case we must
379 * let the terminal know.
381 w = (event->width - 2*inst->cfg.window_border) / inst->font_width;
382 h = (event->height - 2*inst->cfg.window_border) / inst->font_height;
383 if (w != inst->width || h != inst->height) {
384 inst->cfg.width = inst->width = w;
385 inst->cfg.height = inst->height = h;
390 gdk_pixmap_unref(inst->pixmap);
394 inst->pixmap = gdk_pixmap_new(widget->window,
395 (inst->cfg.width * inst->font_width +
396 2*inst->cfg.window_border),
397 (inst->cfg.height * inst->font_height +
398 2*inst->cfg.window_border), -1);
400 gc = gdk_gc_new(inst->area->window);
401 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
402 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
403 inst->cfg.width * inst->font_width + 2*inst->cfg.window_border,
404 inst->cfg.height * inst->font_height + 2*inst->cfg.window_border);
407 if (need_size && inst->term) {
408 term_size(inst->term, h, w, inst->cfg.savelines);
412 term_invalidate(inst->term);
417 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
419 struct gui_data *inst = (struct gui_data *)data;
422 * Pass the exposed rectangle to terminal.c, which will call us
423 * back to do the actual painting.
426 gdk_draw_pixmap(widget->window,
427 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
429 event->area.x, event->area.y,
430 event->area.x, event->area.y,
431 event->area.width, event->area.height);
436 #define KEY_PRESSED(k) \
437 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
439 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
441 struct gui_data *inst = (struct gui_data *)data;
443 int start, end, special;
445 /* By default, nothing is generated. */
450 * If Alt is being released after typing an Alt+numberpad
451 * sequence, we should generate the code that was typed.
453 * Note that we only do this if more than one key was actually
454 * pressed - I don't think Alt+NumPad4 should be ^D or that
455 * Alt+NumPad3 should be ^C, for example. There's no serious
456 * inconvenience in having to type a zero before a single-digit
459 if (event->type == GDK_KEY_RELEASE &&
460 (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
461 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
462 inst->alt_keycode >= 0 && inst->alt_digits > 1) {
464 printf("Alt key up, keycode = %d\n", inst->alt_keycode);
466 output[0] = inst->alt_keycode;
471 if (event->type == GDK_KEY_PRESS) {
475 printf("keypress: keyval = %04x, state = %08x; string =",
476 event->keyval, event->state);
477 for (i = 0; event->string[i]; i++)
478 printf(" %02x", (unsigned char) event->string[i]);
484 * NYI: Compose key (!!! requires Unicode faff before even trying)
488 * If Alt has just been pressed, we start potentially
489 * accumulating an Alt+numberpad code. We do this by
490 * setting alt_keycode to -1 (nothing yet but plausible).
492 if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
493 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
494 inst->alt_keycode = -1;
495 inst->alt_digits = 0;
496 goto done; /* this generates nothing else */
500 * If we're seeing a numberpad key press with Mod1 down,
501 * consider adding it to alt_keycode if that's sensible.
502 * Anything _else_ with Mod1 down cancels any possibility
503 * of an ALT keycode: we set alt_keycode to -2.
505 if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
507 switch (event->keyval) {
508 case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
509 case GDK_KP_1: case GDK_KP_End: digit = 1; break;
510 case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
511 case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
512 case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
513 case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
514 case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
515 case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
516 case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
517 case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
520 inst->alt_keycode = -2; /* it's invalid */
523 printf("Adding digit %d to keycode %d", digit,
526 if (inst->alt_keycode == -1)
527 inst->alt_keycode = digit; /* one-digit code */
529 inst->alt_keycode = inst->alt_keycode * 10 + digit;
532 printf(" gives new code %d\n", inst->alt_keycode);
534 /* Having used this digit, we now do nothing more with it. */
540 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
543 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
544 term_scroll(inst->term, 0, -inst->cfg.height/2);
547 if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
548 term_scroll(inst->term, 0, -1);
551 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
552 term_scroll(inst->term, 0, +inst->cfg.height/2);
555 if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
556 term_scroll(inst->term, 0, +1);
561 * Neither does Shift-Ins.
563 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
570 /* ALT+things gives leading Escape. */
572 strncpy(output+1, event->string, 31);
574 end = strlen(output);
575 if (event->state & GDK_MOD1_MASK) {
577 if (end == 1) end = 0;
581 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
582 if (!event->string[0] && event->keyval == '`' &&
583 (event->state & GDK_CONTROL_MASK)) {
588 /* Control-Break is the same as Control-C */
589 if (event->keyval == GDK_Break &&
590 (event->state & GDK_CONTROL_MASK)) {
596 /* We handle Return ourselves, because it needs to be flagged as
597 * special to ldisc. */
598 if (event->keyval == GDK_Return) {
604 /* Control-2, Control-Space and Control-@ are NUL */
605 if (!event->string[0] &&
606 (event->keyval == ' ' || event->keyval == '2' ||
607 event->keyval == '@') &&
608 (event->state & (GDK_SHIFT_MASK |
609 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
614 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
615 if (!event->string[0] && event->keyval == ' ' &&
616 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
617 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
622 /* We don't let GTK tell us what Backspace is! We know better. */
623 if (event->keyval == GDK_BackSpace &&
624 !(event->state & GDK_SHIFT_MASK)) {
625 output[1] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08';
629 /* For Shift Backspace, do opposite of what is configured. */
630 if (event->keyval == GDK_BackSpace &&
631 (event->state & GDK_SHIFT_MASK)) {
632 output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F';
637 /* Shift-Tab is ESC [ Z */
638 if (event->keyval == GDK_ISO_Left_Tab ||
639 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
640 end = 1 + sprintf(output+1, "\033[Z");
644 * NetHack keypad mode.
646 if (inst->cfg.nethack_keypad) {
648 switch (event->keyval) {
649 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
650 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
651 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
652 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
653 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
654 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
655 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
656 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
657 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
661 if (event->state & GDK_SHIFT_MASK)
670 * Application keypad mode.
672 if (inst->term->app_keypad_keys && !inst->cfg.no_applic_k) {
674 switch (event->keyval) {
675 case GDK_Num_Lock: xkey = 'P'; break;
676 case GDK_KP_Divide: xkey = 'Q'; break;
677 case GDK_KP_Multiply: xkey = 'R'; break;
678 case GDK_KP_Subtract: xkey = 'S'; break;
680 * Keypad + is tricky. It covers a space that would
681 * be taken up on the VT100 by _two_ keys; so we
682 * let Shift select between the two. Worse still,
683 * in xterm function key mode we change which two...
686 if (inst->cfg.funky_type == 2) {
687 if (event->state & GDK_SHIFT_MASK)
691 } else if (event->state & GDK_SHIFT_MASK)
696 case GDK_KP_Enter: xkey = 'M'; break;
697 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
698 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
699 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
700 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
701 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
702 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
703 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
704 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
705 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
706 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
707 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
710 if (inst->term->vt52_mode) {
711 if (xkey >= 'P' && xkey <= 'S')
712 end = 1 + sprintf(output+1, "\033%c", xkey);
714 end = 1 + sprintf(output+1, "\033?%c", xkey);
716 end = 1 + sprintf(output+1, "\033O%c", xkey);
722 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
723 * for integer decimal nn.)
725 * We also deal with the weird ones here. Linux VCs replace F1
726 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
727 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
732 switch (event->keyval) {
734 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
737 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
740 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
743 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
746 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
749 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
752 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
755 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
758 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
761 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
794 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
795 case GDK_Home: case GDK_KP_Home:
798 case GDK_Insert: case GDK_KP_Insert:
801 case GDK_Delete: case GDK_KP_Delete:
804 case GDK_End: case GDK_KP_End:
807 case GDK_Page_Up: case GDK_KP_Page_Up:
810 case GDK_Page_Down: case GDK_KP_Page_Down:
814 /* Reorder edit keys to physical order */
815 if (inst->cfg.funky_type == 3 && code <= 6)
816 code = "\0\2\1\4\5\3\6"[code];
818 if (inst->term->vt52_mode && code > 0 && code <= 6) {
819 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
823 if (inst->cfg.funky_type == 5 && /* SCO function keys */
824 code >= 11 && code <= 34) {
825 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
827 switch (event->keyval) {
828 case GDK_F1: index = 0; break;
829 case GDK_F2: index = 1; break;
830 case GDK_F3: index = 2; break;
831 case GDK_F4: index = 3; break;
832 case GDK_F5: index = 4; break;
833 case GDK_F6: index = 5; break;
834 case GDK_F7: index = 6; break;
835 case GDK_F8: index = 7; break;
836 case GDK_F9: index = 8; break;
837 case GDK_F10: index = 9; break;
838 case GDK_F11: index = 10; break;
839 case GDK_F12: index = 11; break;
841 if (event->state & GDK_SHIFT_MASK) index += 12;
842 if (event->state & GDK_CONTROL_MASK) index += 24;
843 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
846 if (inst->cfg.funky_type == 5 && /* SCO small keypad */
847 code >= 1 && code <= 6) {
848 char codes[] = "HL.FIG";
853 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
857 if ((inst->term->vt52_mode || inst->cfg.funky_type == 4) &&
858 code >= 11 && code <= 24) {
864 if (inst->term->vt52_mode)
865 end = 1 + sprintf(output+1,
866 "\x1B%c", code + 'P' - 11 - offt);
868 end = 1 + sprintf(output+1,
869 "\x1BO%c", code + 'P' - 11 - offt);
872 if (inst->cfg.funky_type == 1 && code >= 11 && code <= 15) {
873 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
876 if (inst->cfg.funky_type == 2 && code >= 11 && code <= 14) {
877 if (inst->term->vt52_mode)
878 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
880 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
883 if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) {
884 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
888 end = 1 + sprintf(output+1, "\x1B[%d~", code);
894 * Cursor keys. (This includes the numberpad cursor keys,
895 * if we haven't already done them due to app keypad mode.)
897 * Here we also process un-numlocked un-appkeypadded KP5,
898 * which sends ESC [ G.
902 switch (event->keyval) {
903 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
904 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
905 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
906 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
907 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
911 * The arrow keys normally do ESC [ A and so on. In
912 * app cursor keys mode they do ESC O A instead.
913 * Ctrl toggles the two modes.
915 if (inst->term->vt52_mode) {
916 end = 1 + sprintf(output+1, "\033%c", xkey);
917 } else if (!inst->term->app_cursor_keys ^
918 !(event->state & GDK_CONTROL_MASK)) {
919 end = 1 + sprintf(output+1, "\033O%c", xkey);
921 end = 1 + sprintf(output+1, "\033[%c", xkey);
934 printf("generating sequence:");
935 for (i = start; i < end; i++)
936 printf(" %02x", (unsigned char) output[i]);
942 * For special control characters, the character set
943 * should never matter.
945 output[end] = '\0'; /* NUL-terminate */
946 ldisc_send(inst->ldisc, output+start, -2, 1);
947 } else if (!inst->direct_to_font) {
949 * The stuff we've just generated is assumed to be
950 * ISO-8859-1! This sounds insane, but `man
951 * XLookupString' agrees: strings of this type returned
952 * from the X server are hardcoded to 8859-1. Strictly
953 * speaking we should be doing this using some sort of
954 * GtkIMContext, which (if we're lucky) would give us
955 * our data directly in Unicode; but that's not
956 * supported in GTK 1.2 as far as I can tell, and it's
957 * poorly documented even in 2.0, so it'll have to
960 lpage_send(inst->ldisc, CS_ISO8859_1, output+start, end-start, 1);
963 * In direct-to-font mode, we just send the string
964 * exactly as we received it.
966 ldisc_send(inst->ldisc, output+start, end-start, 1);
969 show_mouseptr(inst, 0);
970 term_seen_key_event(inst->term);
971 term_out(inst->term);
977 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
979 struct gui_data *inst = (struct gui_data *)data;
980 int shift, ctrl, alt, x, y, button, act;
982 show_mouseptr(inst, 1);
984 if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
985 term_scroll(inst->term, 0, -5);
988 if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
989 term_scroll(inst->term, 0, +5);
993 shift = event->state & GDK_SHIFT_MASK;
994 ctrl = event->state & GDK_CONTROL_MASK;
995 alt = event->state & GDK_MOD1_MASK;
997 if (event->button == 3 && ctrl) {
998 gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
999 event->button, event->time);
1003 if (event->button == 1)
1005 else if (event->button == 2)
1006 button = MBT_MIDDLE;
1007 else if (event->button == 3)
1010 return FALSE; /* don't even know what button! */
1012 switch (event->type) {
1013 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
1014 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
1015 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
1016 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
1017 default: return FALSE; /* don't know this event type */
1020 if (send_raw_mouse && !(inst->cfg.mouse_override && shift) &&
1021 act != MA_CLICK && act != MA_RELEASE)
1022 return TRUE; /* we ignore these in raw mouse mode */
1024 x = (event->x - inst->cfg.window_border) / inst->font_width;
1025 y = (event->y - inst->cfg.window_border) / inst->font_height;
1027 term_mouse(inst->term, button, translate_button(button), act,
1028 x, y, shift, ctrl, alt);
1033 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1035 struct gui_data *inst = (struct gui_data *)data;
1036 int shift, ctrl, alt, x, y, button;
1038 show_mouseptr(inst, 1);
1040 shift = event->state & GDK_SHIFT_MASK;
1041 ctrl = event->state & GDK_CONTROL_MASK;
1042 alt = event->state & GDK_MOD1_MASK;
1043 if (event->state & GDK_BUTTON1_MASK)
1045 else if (event->state & GDK_BUTTON2_MASK)
1046 button = MBT_MIDDLE;
1047 else if (event->state & GDK_BUTTON3_MASK)
1050 return FALSE; /* don't even know what button! */
1052 x = (event->x - inst->cfg.window_border) / inst->font_width;
1053 y = (event->y - inst->cfg.window_border) / inst->font_height;
1055 term_mouse(inst->term, button, translate_button(button), MA_DRAG,
1056 x, y, shift, ctrl, alt);
1061 void frontend_keypress(void *handle)
1063 struct gui_data *inst = (struct gui_data *)handle;
1066 * If our child process has exited but not closed, terminate on
1073 gint timer_func(gpointer data)
1075 struct gui_data *inst = (struct gui_data *)data;
1078 if (!inst->exited &&
1079 (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
1080 inst->exited = TRUE;
1081 if (inst->cfg.close_on_exit == FORCE_ON ||
1082 (inst->cfg.close_on_exit == AUTO && exitcode == 0))
1083 exit(0); /* just go. */
1086 term_update(inst->term);
1087 term_blink(inst->term, 0);
1091 void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
1094 * We must process exceptional notifications before ordinary
1095 * readability ones, or we may go straight past the urgent
1098 if (condition & GDK_INPUT_EXCEPTION)
1099 select_result(sourcefd, 4);
1100 if (condition & GDK_INPUT_READ)
1101 select_result(sourcefd, 1);
1102 if (condition & GDK_INPUT_WRITE)
1103 select_result(sourcefd, 2);
1106 void destroy(GtkWidget *widget, gpointer data)
1111 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1113 struct gui_data *inst = (struct gui_data *)data;
1114 inst->term->has_focus = event->in;
1115 term_out(inst->term);
1116 term_update(inst->term);
1117 show_mouseptr(inst, 1);
1122 * set or clear the "raw mouse message" mode
1124 void set_raw_mouse_mode(void *frontend, int activate)
1126 struct gui_data *inst = (struct gui_data *)frontend;
1127 activate = activate && !inst->cfg.no_mouse_rep;
1128 send_raw_mouse = activate;
1130 inst->currcursor = inst->rawcursor;
1132 inst->currcursor = inst->textcursor;
1133 show_mouseptr(inst, inst->mouseptr_visible);
1136 void request_resize(void *frontend, int w, int h)
1138 struct gui_data *inst = (struct gui_data *)frontend;
1139 int large_x, large_y;
1140 int offset_x, offset_y;
1142 GtkRequisition inner, outer;
1145 * This is a heinous hack dreamed up by the gnome-terminal
1146 * people to get around a limitation in gtk. The problem is
1147 * that in order to set the size correctly we really need to be
1148 * calling gtk_window_resize - but that needs to know the size
1149 * of the _whole window_, not the drawing area. So what we do
1150 * is to set an artificially huge size request on the drawing
1151 * area, recompute the resulting size request on the window,
1152 * and look at the difference between the two. That gives us
1153 * the x and y offsets we need to translate drawing area size
1154 * into window size for real, and then we call
1155 * gtk_window_resize.
1159 * We start by retrieving the current size of the whole window.
1160 * Adding a bit to _that_ will give us a value we can use as a
1161 * bogus size request which guarantees to be bigger than the
1162 * current size of the drawing area.
1164 get_window_pixels(inst, &large_x, &large_y);
1168 #if GTK_CHECK_VERSION(2,0,0)
1169 gtk_widget_set_size_request(inst->area, large_x, large_y);
1171 gtk_widget_set_usize(inst->area, large_x, large_y);
1173 gtk_widget_size_request(inst->area, &inner);
1174 gtk_widget_size_request(inst->window, &outer);
1176 offset_x = outer.width - inner.width;
1177 offset_y = outer.height - inner.height;
1179 area_x = inst->font_width * w + 2*inst->cfg.window_border;
1180 area_y = inst->font_height * h + 2*inst->cfg.window_border;
1183 * Now we must set the size request on the drawing area back to
1184 * something sensible before we commit the real resize. Best
1185 * way to do this, I think, is to set it to what the size is
1186 * really going to end up being.
1188 #if GTK_CHECK_VERSION(2,0,0)
1189 gtk_widget_set_size_request(inst->area, area_x, area_y);
1191 gtk_widget_set_usize(inst->area, area_x, area_y);
1192 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y);
1195 gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window));
1197 #if GTK_CHECK_VERSION(2,0,0)
1198 gtk_window_resize(GTK_WINDOW(inst->window),
1199 area_x + offset_x, area_y + offset_y);
1201 gdk_window_resize(inst->window->window,
1202 area_x + offset_x, area_y + offset_y);
1206 static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
1208 gboolean success[1];
1210 inst->cols[n].red = r * 0x0101;
1211 inst->cols[n].green = g * 0x0101;
1212 inst->cols[n].blue = b * 0x0101;
1214 gdk_colormap_free_colors(inst->colmap, inst->cols + n, 1);
1215 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
1216 FALSE, FALSE, success);
1218 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname,
1222 void set_window_background(struct gui_data *inst)
1224 if (inst->area && inst->area->window)
1225 gdk_window_set_background(inst->area->window, &inst->cols[18]);
1226 if (inst->window && inst->window->window)
1227 gdk_window_set_background(inst->window->window, &inst->cols[18]);
1230 void palette_set(void *frontend, int n, int r, int g, int b)
1232 struct gui_data *inst = (struct gui_data *)frontend;
1233 static const int first[21] = {
1234 0, 2, 4, 6, 8, 10, 12, 14,
1235 1, 3, 5, 7, 9, 11, 13, 15,
1238 real_palette_set(inst, first[n], r, g, b);
1240 real_palette_set(inst, first[n] + 1, r, g, b);
1242 set_window_background(inst);
1245 void palette_reset(void *frontend)
1247 struct gui_data *inst = (struct gui_data *)frontend;
1248 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1249 static const int ww[] = {
1250 6, 7, 8, 9, 10, 11, 12, 13,
1251 14, 15, 16, 17, 18, 19, 20, 21,
1254 gboolean success[NCOLOURS];
1257 assert(lenof(ww) == NCOLOURS);
1259 if (!inst->colmap) {
1260 inst->colmap = gdk_colormap_get_system();
1262 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
1265 for (i = 0; i < NCOLOURS; i++) {
1266 inst->cols[i].red = inst->cfg.colours[ww[i]][0] * 0x0101;
1267 inst->cols[i].green = inst->cfg.colours[ww[i]][1] * 0x0101;
1268 inst->cols[i].blue = inst->cfg.colours[ww[i]][2] * 0x0101;
1271 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
1272 FALSE, FALSE, success);
1273 for (i = 0; i < NCOLOURS; i++) {
1275 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
1276 appname, i, inst->cfg.colours[i][0],
1277 inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
1280 set_window_background(inst);
1283 void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
1285 struct gui_data *inst = (struct gui_data *)frontend;
1286 if (inst->pasteout_data)
1287 sfree(inst->pasteout_data);
1288 if (inst->pasteout_data_utf8)
1289 sfree(inst->pasteout_data_utf8);
1292 * Set up UTF-8 paste data. This only happens if we aren't in
1293 * direct-to-font mode using the D800 hack.
1295 if (!inst->direct_to_font) {
1296 wchar_t *tmp = data;
1299 inst->pasteout_data_utf8 = snewn(len*6, char);
1300 inst->pasteout_data_utf8_len = len*6;
1301 inst->pasteout_data_utf8_len =
1302 charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
1303 inst->pasteout_data_utf8_len,
1304 CS_UTF8, NULL, NULL, 0);
1305 if (inst->pasteout_data_utf8_len == 0) {
1306 sfree(inst->pasteout_data_utf8);
1307 inst->pasteout_data_utf8 = NULL;
1309 inst->pasteout_data_utf8 =
1310 sresize(inst->pasteout_data_utf8,
1311 inst->pasteout_data_utf8_len, char);
1314 inst->pasteout_data_utf8 = NULL;
1315 inst->pasteout_data_utf8_len = 0;
1318 inst->pasteout_data = snewn(len*6, char);
1319 inst->pasteout_data_len = len*6;
1320 inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
1321 data, len, inst->pasteout_data,
1322 inst->pasteout_data_len,
1324 if (inst->pasteout_data_len == 0) {
1325 sfree(inst->pasteout_data);
1326 inst->pasteout_data = NULL;
1328 inst->pasteout_data =
1329 sresize(inst->pasteout_data, inst->pasteout_data_len, char);
1332 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
1333 GDK_CURRENT_TIME)) {
1334 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1335 GDK_SELECTION_TYPE_STRING, 1);
1336 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1337 compound_text_atom, 1);
1338 if (inst->pasteout_data_utf8)
1339 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1340 utf8_string_atom, 1);
1344 term_deselect(inst->term);
1347 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1348 guint info, guint time_stamp, gpointer data)
1350 struct gui_data *inst = (struct gui_data *)data;
1351 if (seldata->target == utf8_string_atom)
1352 gtk_selection_data_set(seldata, seldata->target, 8,
1353 inst->pasteout_data_utf8,
1354 inst->pasteout_data_utf8_len);
1356 gtk_selection_data_set(seldata, seldata->target, 8,
1357 inst->pasteout_data, inst->pasteout_data_len);
1360 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1363 struct gui_data *inst = (struct gui_data *)data;
1364 term_deselect(inst->term);
1365 if (inst->pasteout_data)
1366 sfree(inst->pasteout_data);
1367 if (inst->pasteout_data_utf8)
1368 sfree(inst->pasteout_data_utf8);
1369 inst->pasteout_data = NULL;
1370 inst->pasteout_data_len = 0;
1371 inst->pasteout_data_utf8 = NULL;
1372 inst->pasteout_data_utf8_len = 0;
1376 void request_paste(void *frontend)
1378 struct gui_data *inst = (struct gui_data *)frontend;
1380 * In Unix, pasting is asynchronous: all we can do at the
1381 * moment is to call gtk_selection_convert(), and when the data
1382 * comes back _then_ we can call term_do_paste().
1385 if (!inst->direct_to_font) {
1387 * First we attempt to retrieve the selection as a UTF-8
1388 * string (which we will convert to the correct code page
1389 * before sending to the session, of course). If that
1390 * fails, selection_received() will be informed and will
1391 * fall back to an ordinary string.
1393 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1394 utf8_string_atom, GDK_CURRENT_TIME);
1397 * If we're in direct-to-font mode, we disable UTF-8
1398 * pasting, and go straight to ordinary string data.
1400 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1401 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1405 gint idle_paste_func(gpointer data); /* forward ref */
1407 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
1408 guint time, gpointer data)
1410 struct gui_data *inst = (struct gui_data *)data;
1412 if (seldata->target == utf8_string_atom && seldata->length <= 0) {
1414 * Failed to get a UTF-8 selection string. Try an ordinary
1417 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1418 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1423 * Any other failure should just go foom.
1425 if (seldata->length <= 0 ||
1426 (seldata->type != GDK_SELECTION_TYPE_STRING &&
1427 seldata->type != utf8_string_atom))
1428 return; /* Nothing happens. */
1430 if (inst->pastein_data)
1431 sfree(inst->pastein_data);
1433 inst->pastein_data = snewn(seldata->length, wchar_t);
1434 inst->pastein_data_len = seldata->length;
1435 inst->pastein_data_len =
1436 mb_to_wc((seldata->type == utf8_string_atom ?
1437 CS_UTF8 : inst->ucsdata.line_codepage),
1438 0, seldata->data, seldata->length,
1439 inst->pastein_data, inst->pastein_data_len);
1441 term_do_paste(inst->term);
1443 if (term_paste_pending(inst->term))
1444 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
1447 gint idle_paste_func(gpointer data)
1449 struct gui_data *inst = (struct gui_data *)data;
1451 if (term_paste_pending(inst->term))
1452 term_paste(inst->term);
1454 gtk_idle_remove(inst->term_paste_idle_id);
1460 void get_clip(void *frontend, wchar_t ** p, int *len)
1462 struct gui_data *inst = (struct gui_data *)frontend;
1465 *p = inst->pastein_data;
1466 *len = inst->pastein_data_len;
1470 static void set_window_titles(struct gui_data *inst)
1473 * We must always call set_icon_name after calling set_title,
1474 * since set_title will write both names. Irritating, but such
1477 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1478 if (!inst->cfg.win_name_always)
1479 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1482 void set_title(void *frontend, char *title)
1484 struct gui_data *inst = (struct gui_data *)frontend;
1485 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1486 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1487 set_window_titles(inst);
1490 void set_icon(void *frontend, char *title)
1492 struct gui_data *inst = (struct gui_data *)frontend;
1493 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1494 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1495 set_window_titles(inst);
1498 void set_sbar(void *frontend, int total, int start, int page)
1500 struct gui_data *inst = (struct gui_data *)frontend;
1501 if (!inst->cfg.scrollbar)
1503 inst->sbar_adjust->lower = 0;
1504 inst->sbar_adjust->upper = total;
1505 inst->sbar_adjust->value = start;
1506 inst->sbar_adjust->page_size = page;
1507 inst->sbar_adjust->step_increment = 1;
1508 inst->sbar_adjust->page_increment = page/2;
1509 inst->ignore_sbar = TRUE;
1510 gtk_adjustment_changed(inst->sbar_adjust);
1511 inst->ignore_sbar = FALSE;
1514 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1516 struct gui_data *inst = (struct gui_data *)data;
1518 if (!inst->cfg.scrollbar)
1520 if (!inst->ignore_sbar)
1521 term_scroll(inst->term, 1, (int)adj->value);
1524 void sys_cursor(void *frontend, int x, int y)
1527 * This is meaningless under X.
1532 * This is still called when mode==BELL_VISUAL, even though the
1533 * visual bell is handled entirely within terminal.c, because we
1534 * may want to perform additional actions on any kind of bell (for
1535 * example, taskbar flashing in Windows).
1537 void beep(void *frontend, int mode)
1539 if (mode != BELL_VISUAL)
1543 int char_width(Context ctx, int uc)
1546 * Under X, any fixed-width font really _is_ fixed-width.
1547 * Double-width characters will be dealt with using a separate
1548 * font. For the moment we can simply return 1.
1553 Context get_ctx(void *frontend)
1555 struct gui_data *inst = (struct gui_data *)frontend;
1556 struct draw_ctx *dctx;
1558 if (!inst->area->window)
1561 dctx = snew(struct draw_ctx);
1563 dctx->gc = gdk_gc_new(inst->area->window);
1567 void free_ctx(Context ctx)
1569 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1570 /* struct gui_data *inst = dctx->inst; */
1571 GdkGC *gc = dctx->gc;
1577 * Draw a line of text in the window, at given character
1578 * coordinates, in given attributes.
1580 * We are allowed to fiddle with the contents of `text'.
1582 void do_text_internal(Context ctx, int x, int y, char *text, int len,
1583 unsigned long attr, int lattr)
1585 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1586 struct gui_data *inst = dctx->inst;
1587 GdkGC *gc = dctx->gc;
1589 int nfg, nbg, t, fontid, shadow, rlen, widefactor;
1591 nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1592 nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
1593 nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1594 nbg = 2 * (nbg & 0xF) + (nbg & 0x10 ? 1 : 0);
1595 if (attr & ATTR_REVERSE) {
1600 if (inst->cfg.bold_colour && (attr & ATTR_BOLD))
1602 if (inst->cfg.bold_colour && (attr & ATTR_BLINK))
1604 if (attr & TATTR_ACTCURS) {
1609 fontid = shadow = 0;
1611 if (attr & ATTR_WIDE) {
1618 if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) {
1619 if (inst->fonts[fontid | 1])
1625 if (lattr != LATTR_NORM) {
1627 if (x >= inst->term->cols)
1629 if (x + len*2*widefactor > inst->term->cols)
1630 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1638 r.x = x*inst->font_width+inst->cfg.window_border;
1639 r.y = y*inst->font_height+inst->cfg.window_border;
1640 r.width = rlen*widefactor*inst->font_width;
1641 r.height = inst->font_height;
1642 gdk_gc_set_clip_rectangle(gc, &r);
1645 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1646 gdk_draw_rectangle(inst->pixmap, gc, 1,
1647 x*inst->font_width+inst->cfg.window_border,
1648 y*inst->font_height+inst->cfg.window_border,
1649 rlen*widefactor*inst->font_width, inst->font_height);
1651 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1658 wcs = snewn(len+1, wchar_t);
1659 for (i = 0; i < len; i++) {
1660 wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
1663 if (inst->fonts[fontid] == NULL) {
1665 * The font for this contingency does not exist.
1666 * Typically this means we've been given ATTR_WIDE
1667 * character and have no wide font. So we display
1668 * nothing at all; such is life.
1670 } else if (inst->fontinfo[fontid].is_wide) {
1672 * At least one version of gdk_draw_text_wc() has a
1673 * weird bug whereby it reads `len' elements of the
1674 * input string, but only draws `len/2'. Hence I'm
1675 * going to make its input array twice as long as it
1676 * theoretically needs to be, and pass in twice the
1677 * actual number of characters. If a fixed gdk actually
1678 * takes the doubled length seriously, then (a) the
1679 * array will stand scrutiny up to the full length, (b)
1680 * the spare elements of the array are full of zeroes
1681 * which will probably be an empty glyph in the font,
1682 * and (c) the clip rectangle should prevent it causing
1685 gwcs = snewn(len*2+1, GdkWChar);
1686 memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
1688 * FIXME: when we have a wide-char equivalent of
1689 * from_unicode, use it instead of this.
1691 for (i = 0; i <= len; i++)
1693 gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
1694 x*inst->font_width+inst->cfg.window_border,
1695 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1699 gcs = snewn(len+1, gchar);
1700 wc_to_mb(inst->fontinfo[fontid].charset, 0,
1701 wcs, len, gcs, len, ".", NULL, NULL);
1702 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1703 x*inst->font_width+inst->cfg.window_border,
1704 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1712 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1713 x*inst->font_width+inst->cfg.window_border + inst->cfg.shadowboldoffset,
1714 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1718 if (attr & ATTR_UNDER) {
1719 int uheight = inst->fonts[0]->ascent + 1;
1720 if (uheight >= inst->font_height)
1721 uheight = inst->font_height - 1;
1722 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->cfg.window_border,
1723 y*inst->font_height + uheight + inst->cfg.window_border,
1724 (x+len)*widefactor*inst->font_width-1+inst->cfg.window_border,
1725 y*inst->font_height + uheight + inst->cfg.window_border);
1728 if (lattr != LATTR_NORM) {
1730 * I can't find any plausible StretchBlt equivalent in the
1731 * X server, so I'm going to do this the slow and painful
1732 * way. This will involve repeated calls to
1733 * gdk_draw_pixmap() to stretch the text horizontally. It's
1734 * O(N^2) in time and O(N) in network bandwidth, but you
1735 * try thinking of a better way. :-(
1738 for (i = 0; i < len * widefactor * inst->font_width; i++) {
1739 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1740 x*inst->font_width+inst->cfg.window_border + 2*i,
1741 y*inst->font_height+inst->cfg.window_border,
1742 x*inst->font_width+inst->cfg.window_border + 2*i+1,
1743 y*inst->font_height+inst->cfg.window_border,
1744 len * inst->font_width - i, inst->font_height);
1747 if (lattr != LATTR_WIDE) {
1749 /* Now stretch vertically, in the same way. */
1750 if (lattr == LATTR_BOT)
1754 for (i = 0; i < inst->font_height; i+=2) {
1755 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1756 x*inst->font_width+inst->cfg.window_border,
1757 y*inst->font_height+inst->cfg.window_border+dt*i+db,
1758 x*widefactor*inst->font_width+inst->cfg.window_border,
1759 y*inst->font_height+inst->cfg.window_border+dt*(i+1),
1760 len * inst->font_width, inst->font_height-i-1);
1766 void do_text(Context ctx, int x, int y, char *text, int len,
1767 unsigned long attr, int lattr)
1769 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1770 struct gui_data *inst = dctx->inst;
1771 GdkGC *gc = dctx->gc;
1774 do_text_internal(ctx, x, y, text, len, attr, lattr);
1776 if (attr & ATTR_WIDE) {
1782 if (lattr != LATTR_NORM) {
1784 if (x >= inst->term->cols)
1786 if (x + len*2*widefactor > inst->term->cols)
1787 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1791 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1792 x*inst->font_width+inst->cfg.window_border,
1793 y*inst->font_height+inst->cfg.window_border,
1794 x*inst->font_width+inst->cfg.window_border,
1795 y*inst->font_height+inst->cfg.window_border,
1796 len*widefactor*inst->font_width, inst->font_height);
1799 void do_cursor(Context ctx, int x, int y, char *text, int len,
1800 unsigned long attr, int lattr)
1802 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1803 struct gui_data *inst = dctx->inst;
1804 GdkGC *gc = dctx->gc;
1806 int passive, widefactor;
1808 if (attr & TATTR_PASCURS) {
1809 attr &= ~TATTR_PASCURS;
1813 if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) {
1814 attr &= ~TATTR_ACTCURS;
1816 do_text_internal(ctx, x, y, text, len, attr, lattr);
1818 if (attr & ATTR_WIDE) {
1824 if (lattr != LATTR_NORM) {
1826 if (x >= inst->term->cols)
1828 if (x + len*2*widefactor > inst->term->cols)
1829 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1833 if (inst->cfg.cursor_type == 0) {
1835 * An active block cursor will already have been done by
1836 * the above do_text call, so we only need to do anything
1840 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1841 gdk_draw_rectangle(inst->pixmap, gc, 0,
1842 x*inst->font_width+inst->cfg.window_border,
1843 y*inst->font_height+inst->cfg.window_border,
1844 len*inst->font_width-1, inst->font_height-1);
1848 int startx, starty, dx, dy, length, i;
1852 if ((attr & ATTR_WIDE) || lattr != LATTR_NORM)
1853 char_width = 2*inst->font_width;
1855 char_width = inst->font_width;
1857 if (inst->cfg.cursor_type == 1) {
1858 uheight = inst->fonts[0]->ascent + 1;
1859 if (uheight >= inst->font_height)
1860 uheight = inst->font_height - 1;
1862 startx = x * inst->font_width + inst->cfg.window_border;
1863 starty = y * inst->font_height + inst->cfg.window_border + uheight;
1866 length = len * char_width;
1869 if (attr & TATTR_RIGHTCURS)
1870 xadjust = char_width - 1;
1871 startx = x * inst->font_width + inst->cfg.window_border + xadjust;
1872 starty = y * inst->font_height + inst->cfg.window_border;
1875 length = inst->font_height;
1878 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1880 for (i = 0; i < length; i++) {
1882 gdk_draw_point(inst->pixmap, gc, startx, starty);
1888 gdk_draw_line(inst->pixmap, gc, startx, starty,
1889 startx + (length-1) * dx, starty + (length-1) * dy);
1893 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1894 x*inst->font_width+inst->cfg.window_border,
1895 y*inst->font_height+inst->cfg.window_border,
1896 x*inst->font_width+inst->cfg.window_border,
1897 y*inst->font_height+inst->cfg.window_border,
1898 len*widefactor*inst->font_width, inst->font_height);
1901 GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
1904 * Truly hideous hack: GTK doesn't allow us to set the mouse
1905 * cursor foreground and background colours unless we've _also_
1906 * created our own cursor from bitmaps. Therefore, I need to
1907 * load the `cursor' font and draw glyphs from it on to
1908 * pixmaps, in order to construct my cursors with the fg and bg
1909 * I want. This is a gross hack, but it's more self-contained
1910 * than linking in Xlib to find the X window handle to
1911 * inst->area and calling XRecolorCursor, and it's more
1912 * futureproof than hard-coding the shapes as bitmap arrays.
1914 static GdkFont *cursor_font = NULL;
1915 GdkPixmap *source, *mask;
1917 GdkColor cfg = { 0, 65535, 65535, 65535 };
1918 GdkColor cbg = { 0, 0, 0, 0 };
1919 GdkColor dfg = { 1, 65535, 65535, 65535 };
1920 GdkColor dbg = { 0, 0, 0, 0 };
1923 gint lb, rb, wid, asc, desc, w, h, x, y;
1925 if (cursor_val == -2) {
1926 gdk_font_unref(cursor_font);
1930 if (cursor_val >= 0 && !cursor_font)
1931 cursor_font = gdk_font_load("cursor");
1934 * Get the text extent of the cursor in question. We use the
1935 * mask character for this, because it's typically slightly
1936 * bigger than the main character.
1938 if (cursor_val >= 0) {
1940 text[0] = (char)cursor_val + 1;
1941 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1942 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1948 source = gdk_pixmap_new(NULL, w, h, 1);
1949 mask = gdk_pixmap_new(NULL, w, h, 1);
1952 * Draw the mask character on the mask pixmap.
1954 gc = gdk_gc_new(mask);
1955 gdk_gc_set_foreground(gc, &dbg);
1956 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1957 if (cursor_val >= 0) {
1959 text[0] = (char)cursor_val + 1;
1960 gdk_gc_set_foreground(gc, &dfg);
1961 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1966 * Draw the main character on the source pixmap.
1968 gc = gdk_gc_new(source);
1969 gdk_gc_set_foreground(gc, &dbg);
1970 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1971 if (cursor_val >= 0) {
1973 text[0] = (char)cursor_val;
1974 gdk_gc_set_foreground(gc, &dfg);
1975 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1980 * Create the cursor.
1982 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1987 gdk_pixmap_unref(source);
1988 gdk_pixmap_unref(mask);
1993 void modalfatalbox(char *p, ...)
1996 fprintf(stderr, "FATAL ERROR: ");
1998 vfprintf(stderr, p, ap);
2000 fputc('\n', stderr);
2004 void cmdline_error(char *p, ...)
2007 fprintf(stderr, "%s: ", appname);
2009 vfprintf(stderr, p, ap);
2011 fputc('\n', stderr);
2015 char *get_x_display(void *frontend)
2017 return gdk_get_display();
2020 long get_windowid(void *frontend)
2022 struct gui_data *inst = (struct gui_data *)frontend;
2023 return (long)GDK_WINDOW_XWINDOW(inst->area->window);
2026 static void help(FILE *fp) {
2028 "pterm option summary:\n"
2030 " --display DISPLAY Specify X display to use (note '--')\n"
2031 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
2032 " -fn FONT Normal text font\n"
2033 " -fb FONT Bold text font\n"
2034 " -geometry GEOMETRY Position and size of window (size in characters)\n"
2035 " -sl LINES Number of lines of scrollback\n"
2036 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
2037 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
2038 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
2039 " -T TITLE Window title\n"
2040 " -ut, +ut Do(default) or do not update utmp\n"
2041 " -ls, +ls Do(default) or do not make shell a login shell\n"
2042 " -sb, +sb Do(default) or do not display a scrollbar\n"
2043 " -log PATH Log all output to a file\n"
2044 " -nethack Map numeric keypad to hjklyubn direction keys\n"
2045 " -xrm RESOURCE-STRING Set an X resource\n"
2046 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
2047 ) < 0 || fflush(fp) < 0) {
2048 perror("output error");
2053 int do_cmdline(int argc, char **argv, int do_everything,
2054 struct gui_data *inst, Config *cfg)
2060 * Macros to make argument handling easier. Note that because
2061 * they need to call `continue', they cannot be contained in
2062 * the usual do {...} while (0) wrapper to make them
2063 * syntactically single statements; hence it is not legal to
2064 * use one of these macros as an unbraced statement between
2067 #define EXPECTS_ARG { \
2068 if (--argc <= 0) { \
2070 fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
2075 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2077 while (--argc > 0) {
2081 ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
2082 do_everything ? 1 : -1, cfg);
2085 cmdline_error("option \"%s\" requires an argument", p);
2086 } else if (ret == 2) {
2087 --argc, ++argv; /* skip next argument */
2089 } else if (ret == 1) {
2093 if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
2096 strncpy(cfg->font.name, val, sizeof(cfg->font.name));
2097 cfg->font.name[sizeof(cfg->font.name)-1] = '\0';
2099 } else if (!strcmp(p, "-fb")) {
2102 strncpy(cfg->boldfont.name, val, sizeof(cfg->boldfont.name));
2103 cfg->boldfont.name[sizeof(cfg->boldfont.name)-1] = '\0';
2105 } else if (!strcmp(p, "-fw")) {
2108 strncpy(cfg->widefont.name, val, sizeof(cfg->widefont.name));
2109 cfg->widefont.name[sizeof(cfg->widefont.name)-1] = '\0';
2111 } else if (!strcmp(p, "-fwb")) {
2114 strncpy(cfg->wideboldfont.name, val, sizeof(cfg->wideboldfont.name));
2115 cfg->wideboldfont.name[sizeof(cfg->wideboldfont.name)-1] = '\0';
2117 } else if (!strcmp(p, "-cs")) {
2120 strncpy(cfg->line_codepage, val, sizeof(cfg->line_codepage));
2121 cfg->line_codepage[sizeof(cfg->line_codepage)-1] = '\0';
2123 } else if (!strcmp(p, "-geometry")) {
2124 int flags, x, y, w, h;
2128 flags = XParseGeometry(val, &x, &y, &w, &h);
2129 if (flags & WidthValue)
2131 if (flags & HeightValue)
2134 if (flags & (XValue | YValue)) {
2137 inst->gotpos = TRUE;
2138 inst->gravity = ((flags & XNegative ? 1 : 0) |
2139 (flags & YNegative ? 2 : 0));
2142 } else if (!strcmp(p, "-sl")) {
2145 cfg->savelines = atoi(val);
2147 } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
2148 !strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
2149 !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
2154 if (!gdk_color_parse(val, &col)) {
2156 fprintf(stderr, "%s: unable to parse colour \"%s\"\n",
2160 index = (!strcmp(p, "-fg") ? 0 :
2161 !strcmp(p, "-bg") ? 2 :
2162 !strcmp(p, "-bfg") ? 1 :
2163 !strcmp(p, "-bbg") ? 3 :
2164 !strcmp(p, "-cfg") ? 4 :
2165 !strcmp(p, "-cbg") ? 5 : -1);
2166 assert(index != -1);
2167 cfg->colours[index][0] = col.red / 256;
2168 cfg->colours[index][1] = col.green / 256;
2169 cfg->colours[index][2] = col.blue / 256;
2172 } else if (use_pty_argv && !strcmp(p, "-e")) {
2173 /* This option swallows all further arguments. */
2179 pty_argv = snewn(argc+1, char *);
2181 for (i = 0; i < argc; i++)
2182 pty_argv[i] = argv[i];
2183 pty_argv[argc] = NULL;
2184 break; /* finished command-line processing */
2186 err = 1, fprintf(stderr, "%s: -e expects an argument\n",
2189 } else if (!strcmp(p, "-title")) {
2192 strncpy(cfg->wintitle, val, sizeof(cfg->wintitle));
2193 cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0';
2195 } else if (!strcmp(p, "-log")) {
2198 strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path));
2199 cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0';
2200 cfg->logtype = LGTYP_DEBUG;
2202 } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
2204 cfg->stamp_utmp = 0;
2206 } else if (!strcmp(p, "-ut")) {
2208 cfg->stamp_utmp = 1;
2210 } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
2212 cfg->login_shell = 0;
2214 } else if (!strcmp(p, "-ls")) {
2216 cfg->login_shell = 1;
2218 } else if (!strcmp(p, "-nethack")) {
2220 cfg->nethack_keypad = 1;
2222 } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
2226 } else if (!strcmp(p, "-sb")) {
2230 } else if (!strcmp(p, "-name")) {
2234 } else if (!strcmp(p, "-xrm")) {
2236 provide_xrm_string(val);
2238 } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
2242 } else if(p[0] != '-' && (!do_everything ||
2243 process_nonoption_arg(p, cfg))) {
2248 fprintf(stderr, "%s: unrecognized option '%s'\n", appname, p);
2255 static void block_signal(int sig, int block_it) {
2259 sigaddset(&ss, sig);
2260 if(sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) {
2261 perror("sigprocmask");
2267 * This function retrieves the character set encoding of a font. It
2268 * returns the character set without the X11 hack (in case the user
2269 * asks to use the font's own encoding).
2271 static int set_font_info(struct gui_data *inst, int fontid)
2273 GdkFont *font = inst->fonts[fontid];
2274 XFontStruct *xfs = GDK_FONT_XFONT(font);
2275 Display *disp = GDK_FONT_XDISPLAY(font);
2276 Atom charset_registry, charset_encoding;
2277 unsigned long registry_ret, encoding_ret;
2278 int retval = CS_NONE;
2280 charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False);
2281 charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False);
2282 inst->fontinfo[fontid].charset = CS_NONE;
2283 inst->fontinfo[fontid].is_wide = 0;
2284 if (XGetFontProperty(xfs, charset_registry, ®istry_ret) &&
2285 XGetFontProperty(xfs, charset_encoding, &encoding_ret)) {
2287 reg = XGetAtomName(disp, (Atom)registry_ret);
2288 enc = XGetAtomName(disp, (Atom)encoding_ret);
2290 char *encoding = dupcat(reg, "-", enc, NULL);
2291 retval = inst->fontinfo[fontid].charset =
2292 charset_from_xenc(encoding);
2293 /* FIXME: when libcharset supports wide encodings fix this. */
2294 if (!strcasecmp(encoding, "iso10646-1")) {
2295 inst->fontinfo[fontid].is_wide = 1;
2300 * Hack for X line-drawing characters: if the primary
2301 * font is encoded as ISO-8859-anything, and has valid
2302 * glyphs in the first 32 char positions, it is assumed
2303 * that those glyphs are the VT100 line-drawing
2306 * Actually, we'll hack even harder by only checking
2307 * position 0x19 (vertical line, VT100 linedrawing
2308 * `x'). Then we can check it easily by seeing if the
2309 * ascent and descent differ.
2311 if (inst->fontinfo[fontid].charset == CS_ISO8859_1) {
2312 int lb, rb, wid, asc, desc;
2317 gdk_string_extents(inst->fonts[fontid], text,
2318 &lb, &rb, &wid, &asc, &desc);
2320 inst->fontinfo[fontid].charset = CS_ISO8859_1_X11;
2330 int uxsel_input_add(int fd, int rwx) {
2332 if (rwx & 1) flags |= GDK_INPUT_READ;
2333 if (rwx & 2) flags |= GDK_INPUT_WRITE;
2334 if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
2335 return gdk_input_add(fd, flags, fd_input_func, NULL);
2338 void uxsel_input_remove(int id) {
2339 gdk_input_remove(id);
2342 void setup_fonts_ucs(struct gui_data *inst)
2347 gdk_font_unref(inst->fonts[0]);
2349 gdk_font_unref(inst->fonts[1]);
2351 gdk_font_unref(inst->fonts[2]);
2353 gdk_font_unref(inst->fonts[3]);
2355 inst->fonts[0] = gdk_font_load(inst->cfg.font.name);
2356 if (!inst->fonts[0]) {
2357 fprintf(stderr, "%s: unable to load font \"%s\"\n", appname,
2358 inst->cfg.font.name);
2361 font_charset = set_font_info(inst, 0);
2362 if (inst->cfg.boldfont.name[0]) {
2363 inst->fonts[1] = gdk_font_load(inst->cfg.boldfont.name);
2364 if (!inst->fonts[1]) {
2365 fprintf(stderr, "%s: unable to load bold font \"%s\"\n", appname,
2366 inst->cfg.boldfont.name);
2369 set_font_info(inst, 1);
2371 inst->fonts[1] = NULL;
2372 if (inst->cfg.widefont.name[0]) {
2373 inst->fonts[2] = gdk_font_load(inst->cfg.widefont.name);
2374 if (!inst->fonts[2]) {
2375 fprintf(stderr, "%s: unable to load wide font \"%s\"\n", appname,
2376 inst->cfg.widefont.name);
2379 set_font_info(inst, 2);
2381 inst->fonts[2] = NULL;
2382 if (inst->cfg.wideboldfont.name[0]) {
2383 inst->fonts[3] = gdk_font_load(inst->cfg.wideboldfont.name);
2384 if (!inst->fonts[3]) {
2385 fprintf(stderr, "%s: unable to load wide/bold font \"%s\"\n",
2386 appname, inst->cfg.wideboldfont.name);
2389 set_font_info(inst, 3);
2391 inst->fonts[3] = NULL;
2393 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
2394 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
2396 inst->direct_to_font = init_ucs(&inst->ucsdata,
2397 inst->cfg.line_codepage, font_charset);
2400 void set_geom_hints(struct gui_data *inst)
2403 geom.min_width = inst->font_width + 2*inst->cfg.window_border;
2404 geom.min_height = inst->font_height + 2*inst->cfg.window_border;
2405 geom.max_width = geom.max_height = -1;
2406 geom.base_width = 2*inst->cfg.window_border;
2407 geom.base_height = 2*inst->cfg.window_border;
2408 geom.width_inc = inst->font_width;
2409 geom.height_inc = inst->font_height;
2410 geom.min_aspect = geom.max_aspect = 0;
2411 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
2412 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
2413 GDK_HINT_RESIZE_INC);
2416 void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
2418 struct gui_data *inst = (struct gui_data *)data;
2419 term_clrsb(inst->term);
2422 void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
2424 struct gui_data *inst = (struct gui_data *)data;
2425 term_pwron(inst->term);
2426 ldisc_send(inst->ldisc, NULL, 0, 0);
2429 void copy_all_menuitem(GtkMenuItem *item, gpointer data)
2431 struct gui_data *inst = (struct gui_data *)data;
2432 term_copyall(inst->term);
2435 void special_menuitem(GtkMenuItem *item, gpointer data)
2437 struct gui_data *inst = (struct gui_data *)data;
2438 int code = (int)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2440 inst->back->special(inst->backhandle, code);
2443 void about_menuitem(GtkMenuItem *item, gpointer data)
2445 struct gui_data *inst = (struct gui_data *)data;
2446 about_box(inst->window);
2449 void event_log_menuitem(GtkMenuItem *item, gpointer data)
2451 struct gui_data *inst = (struct gui_data *)data;
2452 showeventlog(inst->eventlogstuff, inst->window);
2455 void change_settings_menuitem(GtkMenuItem *item, gpointer data)
2457 /* This maps colour indices in inst->cfg to those used in inst->cols. */
2458 static const int ww[] = {
2459 6, 7, 8, 9, 10, 11, 12, 13,
2460 14, 15, 16, 17, 18, 19, 20, 21,
2463 struct gui_data *inst = (struct gui_data *)data;
2464 char *title = dupcat(appname, " Reconfiguration", NULL);
2465 Config cfg2, oldcfg;
2468 cfg2 = inst->cfg; /* structure copy */
2470 if (do_config_box(title, &cfg2, 1)) {
2472 oldcfg = inst->cfg; /* structure copy */
2473 inst->cfg = cfg2; /* structure copy */
2475 /* Pass new config data to the logging module */
2476 log_reconfig(inst->logctx, &cfg2);
2478 * Flush the line discipline's edit buffer in the case
2479 * where local editing has just been disabled.
2481 ldisc_send(inst->ldisc, NULL, 0, 0);
2482 /* Pass new config data to the terminal */
2483 term_reconfig(inst->term, &cfg2);
2484 /* Pass new config data to the back end */
2485 inst->back->reconfig(inst->backhandle, &cfg2);
2488 * Just setting inst->cfg is sufficient to cause colour
2489 * setting changes to appear on the next ESC]R palette
2490 * reset. But we should also check whether any colour
2491 * settings have been changed, and revert the ones that
2492 * have to the new default, on the assumption that the user
2493 * is most likely to want an immediate update.
2495 for (i = 0; i < NCOLOURS; i++) {
2496 if (oldcfg.colours[ww[i]][0] != cfg2.colours[ww[i]][0] ||
2497 oldcfg.colours[ww[i]][1] != cfg2.colours[ww[i]][1] ||
2498 oldcfg.colours[ww[i]][2] != cfg2.colours[ww[i]][2])
2499 real_palette_set(inst, i, cfg2.colours[ww[i]][0],
2500 cfg2.colours[ww[i]][1],
2501 cfg2.colours[ww[i]][2]);
2505 * If the scrollbar needs to be shown, hidden, or moved
2506 * from one end to the other of the window, do so now.
2508 if (oldcfg.scrollbar != cfg2.scrollbar) {
2510 gtk_widget_show(inst->sbar);
2512 gtk_widget_hide(inst->sbar);
2514 if (oldcfg.scrollbar_on_left != cfg2.scrollbar_on_left) {
2515 gtk_box_reorder_child(inst->hbox, inst->sbar,
2516 cfg2.scrollbar_on_left ? 0 : 1);
2520 * Change the window title, if required.
2522 if (strcmp(oldcfg.wintitle, cfg2.wintitle))
2523 set_title(inst, cfg2.wintitle);
2524 set_window_titles(inst);
2527 * Redo the whole tangled fonts and Unicode mess if
2530 if (strcmp(oldcfg.font.name, cfg2.font.name) ||
2531 strcmp(oldcfg.boldfont.name, cfg2.boldfont.name) ||
2532 strcmp(oldcfg.widefont.name, cfg2.widefont.name) ||
2533 strcmp(oldcfg.wideboldfont.name, cfg2.wideboldfont.name) ||
2534 strcmp(oldcfg.line_codepage, cfg2.line_codepage)) {
2535 setup_fonts_ucs(inst);
2541 * Resize the window.
2543 if (oldcfg.width != cfg2.width || oldcfg.height != cfg2.height ||
2544 oldcfg.window_border != cfg2.window_border || need_size) {
2545 set_geom_hints(inst);
2546 request_resize(inst, cfg2.width, cfg2.height);
2549 * The above will have caused a call to term_size() for
2550 * us if it happened. If the user has fiddled with only
2551 * the scrollback size, the above will not have
2552 * happened and we will need an explicit term_size()
2555 if (oldcfg.savelines != cfg2.savelines)
2556 term_size(inst->term, inst->term->rows, inst->term->cols,
2560 term_invalidate(inst->term);
2565 void fork_and_exec_self(struct gui_data *inst, int fd_to_close, ...)
2568 * Re-execing ourself is not an exact science under Unix. I do
2569 * the best I can by using /proc/self/exe if available and by
2570 * assuming argv[0] can be found on $PATH if not.
2572 * Note that we also have to reconstruct the elements of the
2573 * original argv which gtk swallowed, since the user wants the
2574 * new session to appear on the same X display as the old one.
2582 * Collect the arguments with which to re-exec ourself.
2584 va_start(ap, fd_to_close);
2585 n = 2; /* progname and terminating NULL */
2586 n += inst->ngtkargs;
2587 while (va_arg(ap, char *) != NULL)
2591 args = snewn(n, char *);
2592 args[0] = inst->progname;
2594 for (i = 0; i < inst->ngtkargs; i++)
2595 args[i+1] = inst->gtkargvstart[i];
2598 va_start(ap, fd_to_close);
2599 while ((args[i++] = va_arg(ap, char *)) != NULL);
2605 * Do the double fork.
2618 } else if (pid2 > 0) {
2620 * First child has successfully forked second child. My
2621 * Work Here Is Done. Note the use of _exit rather than
2622 * exit: the latter appears to cause destroy messages
2623 * to be sent to the X server. I suspect gtk uses
2630 * If we reach here, we are the second child, so we now
2631 * actually perform the exec.
2633 if (fd_to_close >= 0)
2636 execv("/proc/self/exe", args);
2637 execvp(inst->progname, args);
2643 waitpid(pid, &status, 0);
2648 void dup_session_menuitem(GtkMenuItem *item, gpointer gdata)
2650 struct gui_data *inst = (struct gui_data *)gdata;
2652 * For this feature we must marshal cfg and (possibly) pty_argv
2653 * into a byte stream, create a pipe, and send this byte stream
2654 * to the child through the pipe.
2661 if (pipe(pipefd) < 0) {
2666 size = sizeof(inst->cfg);
2667 if (use_pty_argv && pty_argv) {
2668 for (i = 0; pty_argv[i]; i++)
2669 size += strlen(pty_argv[i]) + 1;
2672 data = snewn(size, char);
2673 memcpy(data, &inst->cfg, sizeof(inst->cfg));
2674 if (use_pty_argv && pty_argv) {
2675 int p = sizeof(inst->cfg);
2676 for (i = 0; pty_argv[i]; i++) {
2677 strcpy(data + p, pty_argv[i]);
2678 p += strlen(pty_argv[i]) + 1;
2683 sprintf(option, "---[%d,%d]", pipefd[0], size);
2684 fcntl(pipefd[0], F_SETFD, 0);
2685 fork_and_exec_self(inst, pipefd[1], option, NULL);
2689 while (i < size && (ret = write(pipefd[1], data + i, size - i)) > 0)
2692 perror("write to pipe");
2697 int read_dupsession_data(struct gui_data *inst, Config *cfg, char *arg)
2699 int fd, i, ret, size;
2702 if (sscanf(arg, "---[%d,%d]", &fd, &size) != 2) {
2703 fprintf(stderr, "%s: malformed magic argument `%s'\n", appname, arg);
2707 data = snewn(size, char);
2709 while (i < size && (ret = read(fd, data + i, size - i)) > 0)
2712 perror("read from pipe");
2714 } else if (i < size) {
2715 fprintf(stderr, "%s: unexpected EOF in Duplicate Session data\n",
2720 memcpy(cfg, data, sizeof(Config));
2721 if (use_pty_argv && size > sizeof(Config)) {
2725 while (i < size && data[i]) i++;
2727 fprintf(stderr, "%s: malformed Duplicate Session data\n",
2734 pty_argv = snewn(n+1, char *);
2740 while (i < size && data[i]) i++;
2743 pty_argv[n++] = dupstr(p);
2750 void new_session_menuitem(GtkMenuItem *item, gpointer data)
2752 struct gui_data *inst = (struct gui_data *)data;
2754 fork_and_exec_self(inst, -1, NULL);
2757 void saved_session_menuitem(GtkMenuItem *item, gpointer data)
2759 struct gui_data *inst = (struct gui_data *)data;
2760 char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2762 fork_and_exec_self(inst, -1, "-load", str, NULL);
2765 void saved_session_freedata(GtkMenuItem *item, gpointer data)
2767 char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2772 void update_specials_menu(void *frontend)
2774 struct gui_data *inst = (struct gui_data *)frontend;
2776 const struct telnet_special *specials;
2778 specials = inst->back->get_specials(inst->backhandle);
2779 gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
2780 (GtkCallback)gtk_widget_destroy, NULL);
2783 GtkWidget *menuitem;
2784 for (i = 0; specials[i].name; i++) {
2785 if (*specials[i].name) {
2786 menuitem = gtk_menu_item_new_with_label(specials[i].name);
2787 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2788 (gpointer)specials[i].code);
2789 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2790 GTK_SIGNAL_FUNC(special_menuitem), inst);
2792 menuitem = gtk_menu_item_new();
2793 gtk_container_add(GTK_CONTAINER(inst->specialsmenu), menuitem);
2794 gtk_widget_show(menuitem);
2796 gtk_widget_show(inst->specialsitem1);
2797 gtk_widget_show(inst->specialsitem2);
2799 gtk_widget_hide(inst->specialsitem1);
2800 gtk_widget_hide(inst->specialsitem2);
2804 int pt_main(int argc, char **argv)
2806 extern Backend *select_backend(Config *cfg);
2807 extern int cfgbox(Config *cfg);
2808 struct gui_data *inst;
2811 * Create an instance structure and initialise to zeroes
2813 inst = snew(struct gui_data);
2814 memset(inst, 0, sizeof(*inst));
2815 inst->alt_keycode = -1; /* this one needs _not_ to be zero */
2817 /* defer any child exit handling until we're ready to deal with
2819 block_signal(SIGCHLD, 1);
2821 inst->progname = argv[0];
2823 * Copy the original argv before letting gtk_init fiddle with
2824 * it. It will be required later.
2828 inst->gtkargvstart = snewn(argc-1, char *);
2829 for (i = 1; i < argc; i++)
2830 inst->gtkargvstart[i-1] = dupstr(argv[i]);
2832 gtk_init(&argc, &argv);
2833 inst->ngtkargs = oldargc - argc;
2836 if (argc > 1 && !strncmp(argv[1], "---", 3)) {
2837 read_dupsession_data(inst, &inst->cfg, argv[1]);
2838 /* Splatter this argument so it doesn't clutter a ps listing */
2839 memset(argv[1], 0, strlen(argv[1]));
2841 if (do_cmdline(argc, argv, 0, inst, &inst->cfg))
2842 exit(1); /* pre-defaults pass to get -class */
2843 do_defaults(NULL, &inst->cfg);
2844 if (do_cmdline(argc, argv, 1, inst, &inst->cfg))
2845 exit(1); /* post-defaults, do everything */
2847 cmdline_run_saved(&inst->cfg);
2849 if (!*inst->cfg.host && !cfgbox(&inst->cfg))
2850 exit(0); /* config box hit Cancel */
2853 if (!compound_text_atom)
2854 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2855 if (!utf8_string_atom)
2856 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2858 setup_fonts_ucs(inst);
2860 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2863 * Set up the colour map.
2865 palette_reset(inst);
2867 inst->width = inst->cfg.width;
2868 inst->height = inst->cfg.height;
2870 inst->area = gtk_drawing_area_new();
2871 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
2872 inst->font_width * inst->cfg.width + 2*inst->cfg.window_border,
2873 inst->font_height * inst->cfg.height + 2*inst->cfg.window_border);
2874 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
2875 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
2876 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2878 * We always create the scrollbar; it remains invisible if
2879 * unwanted, so we can pop it up quickly if it suddenly becomes
2882 if (inst->cfg.scrollbar_on_left)
2883 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2884 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
2885 if (!inst->cfg.scrollbar_on_left)
2886 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2888 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
2890 set_geom_hints(inst);
2892 gtk_widget_show(inst->area);
2893 if (inst->cfg.scrollbar)
2894 gtk_widget_show(inst->sbar);
2896 gtk_widget_hide(inst->sbar);
2897 gtk_widget_show(GTK_WIDGET(inst->hbox));
2900 int x = inst->xpos, y = inst->ypos;
2902 gtk_widget_size_request(GTK_WIDGET(inst->window), &req);
2903 if (inst->gravity & 1) x += gdk_screen_width() - req.width;
2904 if (inst->gravity & 2) y += gdk_screen_height() - req.height;
2905 gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE);
2906 gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y);
2909 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
2910 GTK_SIGNAL_FUNC(destroy), inst);
2911 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
2912 GTK_SIGNAL_FUNC(delete_window), inst);
2913 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
2914 GTK_SIGNAL_FUNC(key_event), inst);
2915 gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
2916 GTK_SIGNAL_FUNC(key_event), inst);
2917 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
2918 GTK_SIGNAL_FUNC(focus_event), inst);
2919 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
2920 GTK_SIGNAL_FUNC(focus_event), inst);
2921 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
2922 GTK_SIGNAL_FUNC(configure_area), inst);
2923 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
2924 GTK_SIGNAL_FUNC(expose_area), inst);
2925 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
2926 GTK_SIGNAL_FUNC(button_event), inst);
2927 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
2928 GTK_SIGNAL_FUNC(button_event), inst);
2929 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
2930 GTK_SIGNAL_FUNC(motion_event), inst);
2931 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
2932 GTK_SIGNAL_FUNC(selection_received), inst);
2933 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
2934 GTK_SIGNAL_FUNC(selection_get), inst);
2935 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
2936 GTK_SIGNAL_FUNC(selection_clear), inst);
2937 if (inst->cfg.scrollbar)
2938 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
2939 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
2940 gtk_timeout_add(20, timer_func, inst);
2941 gtk_widget_add_events(GTK_WIDGET(inst->area),
2942 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
2943 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
2944 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
2946 gtk_widget_show(inst->window);
2948 set_window_background(inst);
2951 * Set up the Ctrl+rightclick context menu.
2954 GtkWidget *menuitem;
2956 extern const int use_event_log, new_session, saved_sessions;
2958 inst->menu = gtk_menu_new();
2960 #define MKMENUITEM(title, func) do { \
2961 menuitem = title ? gtk_menu_item_new_with_label(title) : \
2962 gtk_menu_item_new(); \
2963 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
2964 gtk_widget_show(menuitem); \
2966 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
2967 GTK_SIGNAL_FUNC(func), inst); \
2970 MKMENUITEM("New Session", new_session_menuitem);
2971 MKMENUITEM("Duplicate Session", dup_session_menuitem);
2972 if (saved_sessions) {
2973 struct sesslist sesslist;
2976 inst->sessionsmenu = gtk_menu_new();
2978 get_sesslist(&sesslist, TRUE);
2979 for (i = 1; i < sesslist.nsessions; i++) {
2980 menuitem = gtk_menu_item_new_with_label(sesslist.sessions[i]);
2981 gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
2982 gtk_widget_show(menuitem);
2983 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2984 dupstr(sesslist.sessions[i]));
2985 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2986 GTK_SIGNAL_FUNC(saved_session_menuitem),
2988 gtk_signal_connect(GTK_OBJECT(menuitem), "destroy",
2989 GTK_SIGNAL_FUNC(saved_session_freedata),
2992 get_sesslist(&sesslist, FALSE);
2994 MKMENUITEM("Saved Sessions", NULL);
2995 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem),
2996 inst->sessionsmenu);
2998 MKMENUITEM(NULL, NULL);
2999 MKMENUITEM("Change Settings", change_settings_menuitem);
3000 MKMENUITEM(NULL, NULL);
3002 MKMENUITEM("Event Log", event_log_menuitem);
3003 MKMENUITEM("Special Commands", NULL);
3004 inst->specialsmenu = gtk_menu_new();
3005 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
3006 inst->specialsitem1 = menuitem;
3007 MKMENUITEM(NULL, NULL);
3008 inst->specialsitem2 = menuitem;
3009 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
3010 MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
3011 MKMENUITEM("Copy All", copy_all_menuitem);
3012 MKMENUITEM(NULL, NULL);
3013 s = dupcat("About ", appname, NULL);
3014 MKMENUITEM(s, about_menuitem);
3019 inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
3020 inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
3021 inst->blankcursor = make_mouse_ptr(inst, -1);
3022 make_mouse_ptr(inst, -2); /* clean up cursor font */
3023 inst->currcursor = inst->textcursor;
3024 show_mouseptr(inst, 1);
3026 inst->eventlogstuff = eventlogstuff_new();
3028 inst->term = term_init(&inst->cfg, &inst->ucsdata, inst);
3029 inst->logctx = log_init(inst, &inst->cfg);
3030 term_provide_logctx(inst->term, inst->logctx);
3034 term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines);
3036 inst->back = select_backend(&inst->cfg);
3038 char *realhost, *error;
3040 error = inst->back->init((void *)inst, &inst->backhandle,
3041 &inst->cfg, inst->cfg.host, inst->cfg.port,
3042 &realhost, inst->cfg.tcp_nodelay);
3045 char *msg = dupprintf("Unable to open connection to %s:\n%s",
3046 inst->cfg.host, error);
3047 inst->exited = TRUE;
3048 fatal_message_box(inst->window, msg);
3053 if (inst->cfg.wintitle[0]) {
3054 set_title(inst, inst->cfg.wintitle);
3055 set_icon(inst, inst->cfg.wintitle);
3057 char *title = make_default_wintitle(realhost);
3058 set_title(inst, title);
3059 set_icon(inst, title);
3063 inst->back->provide_logctx(inst->backhandle, inst->logctx);
3064 update_specials_menu(inst);
3066 term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
3069 ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle, inst);
3070 ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
3072 /* now we're reday to deal with the child exit handler being
3074 block_signal(SIGCHLD, 0);
3077 * Block SIGPIPE: if we attempt Duplicate Session or similar
3078 * and it falls over in some way, we certainly don't want
3079 * SIGPIPE terminating the main pterm/PuTTY. Note that we do
3080 * this _after_ (at least pterm) forks off its child process,
3081 * since the child wants SIGPIPE handled in the usual way.
3083 block_signal(SIGPIPE, 1);
3085 inst->exited = FALSE;