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, const 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 wchar_t ucsoutput[2];
444 int ucsval, start, end, special, use_ucsoutput;
446 /* By default, nothing is generated. */
448 special = use_ucsoutput = FALSE;
451 * If Alt is being released after typing an Alt+numberpad
452 * sequence, we should generate the code that was typed.
454 * Note that we only do this if more than one key was actually
455 * pressed - I don't think Alt+NumPad4 should be ^D or that
456 * Alt+NumPad3 should be ^C, for example. There's no serious
457 * inconvenience in having to type a zero before a single-digit
460 if (event->type == GDK_KEY_RELEASE &&
461 (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
462 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
463 inst->alt_keycode >= 0 && inst->alt_digits > 1) {
465 printf("Alt key up, keycode = %d\n", inst->alt_keycode);
467 output[0] = inst->alt_keycode;
472 if (event->type == GDK_KEY_PRESS) {
476 printf("keypress: keyval = %04x, state = %08x; string =",
477 event->keyval, event->state);
478 for (i = 0; event->string[i]; i++)
479 printf(" %02x", (unsigned char) event->string[i]);
485 * NYI: Compose key (!!! requires Unicode faff before even trying)
489 * If Alt has just been pressed, we start potentially
490 * accumulating an Alt+numberpad code. We do this by
491 * setting alt_keycode to -1 (nothing yet but plausible).
493 if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
494 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
495 inst->alt_keycode = -1;
496 inst->alt_digits = 0;
497 goto done; /* this generates nothing else */
501 * If we're seeing a numberpad key press with Mod1 down,
502 * consider adding it to alt_keycode if that's sensible.
503 * Anything _else_ with Mod1 down cancels any possibility
504 * of an ALT keycode: we set alt_keycode to -2.
506 if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
508 switch (event->keyval) {
509 case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
510 case GDK_KP_1: case GDK_KP_End: digit = 1; break;
511 case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
512 case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
513 case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
514 case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
515 case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
516 case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
517 case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
518 case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
521 inst->alt_keycode = -2; /* it's invalid */
524 printf("Adding digit %d to keycode %d", digit,
527 if (inst->alt_keycode == -1)
528 inst->alt_keycode = digit; /* one-digit code */
530 inst->alt_keycode = inst->alt_keycode * 10 + digit;
533 printf(" gives new code %d\n", inst->alt_keycode);
535 /* Having used this digit, we now do nothing more with it. */
541 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
544 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
545 term_scroll(inst->term, 0, -inst->cfg.height/2);
548 if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
549 term_scroll(inst->term, 0, -1);
552 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
553 term_scroll(inst->term, 0, +inst->cfg.height/2);
556 if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
557 term_scroll(inst->term, 0, +1);
562 * Neither does Shift-Ins.
564 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
570 use_ucsoutput = FALSE;
572 /* ALT+things gives leading Escape. */
574 strncpy(output+1, event->string, 31);
575 if (!*event->string &&
576 (ucsval = keysym_to_unicode(event->keyval)) >= 0) {
577 ucsoutput[0] = '\033';
578 ucsoutput[1] = ucsval;
579 use_ucsoutput = TRUE;
583 end = strlen(output);
585 if (event->state & GDK_MOD1_MASK) {
587 if (end == 1) end = 0;
591 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
592 if (!event->string[0] && event->keyval == '`' &&
593 (event->state & GDK_CONTROL_MASK)) {
595 use_ucsoutput = FALSE;
599 /* Control-Break is the same as Control-C */
600 if (event->keyval == GDK_Break &&
601 (event->state & GDK_CONTROL_MASK)) {
603 use_ucsoutput = FALSE;
608 /* We handle Return ourselves, because it needs to be flagged as
609 * special to ldisc. */
610 if (event->keyval == GDK_Return) {
612 use_ucsoutput = FALSE;
617 /* Control-2, Control-Space and Control-@ are NUL */
618 if (!event->string[0] &&
619 (event->keyval == ' ' || event->keyval == '2' ||
620 event->keyval == '@') &&
621 (event->state & (GDK_SHIFT_MASK |
622 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
624 use_ucsoutput = FALSE;
628 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
629 if (!event->string[0] && event->keyval == ' ' &&
630 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
631 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
633 use_ucsoutput = FALSE;
637 /* We don't let GTK tell us what Backspace is! We know better. */
638 if (event->keyval == GDK_BackSpace &&
639 !(event->state & GDK_SHIFT_MASK)) {
640 output[1] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08';
641 use_ucsoutput = FALSE;
645 /* For Shift Backspace, do opposite of what is configured. */
646 if (event->keyval == GDK_BackSpace &&
647 (event->state & GDK_SHIFT_MASK)) {
648 output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F';
649 use_ucsoutput = FALSE;
654 /* Shift-Tab is ESC [ Z */
655 if (event->keyval == GDK_ISO_Left_Tab ||
656 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
657 end = 1 + sprintf(output+1, "\033[Z");
658 use_ucsoutput = FALSE;
662 * NetHack keypad mode.
664 if (inst->cfg.nethack_keypad) {
666 switch (event->keyval) {
667 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
668 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
669 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
670 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
671 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
672 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
673 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
674 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
675 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
679 if (event->state & GDK_SHIFT_MASK)
683 use_ucsoutput = FALSE;
689 * Application keypad mode.
691 if (inst->term->app_keypad_keys && !inst->cfg.no_applic_k) {
693 switch (event->keyval) {
694 case GDK_Num_Lock: xkey = 'P'; break;
695 case GDK_KP_Divide: xkey = 'Q'; break;
696 case GDK_KP_Multiply: xkey = 'R'; break;
697 case GDK_KP_Subtract: xkey = 'S'; break;
699 * Keypad + is tricky. It covers a space that would
700 * be taken up on the VT100 by _two_ keys; so we
701 * let Shift select between the two. Worse still,
702 * in xterm function key mode we change which two...
705 if (inst->cfg.funky_type == 2) {
706 if (event->state & GDK_SHIFT_MASK)
710 } else if (event->state & GDK_SHIFT_MASK)
715 case GDK_KP_Enter: xkey = 'M'; break;
716 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
717 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
718 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
719 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
720 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
721 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
722 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
723 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
724 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
725 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
726 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
729 if (inst->term->vt52_mode) {
730 if (xkey >= 'P' && xkey <= 'S')
731 end = 1 + sprintf(output+1, "\033%c", xkey);
733 end = 1 + sprintf(output+1, "\033?%c", xkey);
735 end = 1 + sprintf(output+1, "\033O%c", xkey);
736 use_ucsoutput = FALSE;
742 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
743 * for integer decimal nn.)
745 * We also deal with the weird ones here. Linux VCs replace F1
746 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
747 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
752 switch (event->keyval) {
754 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
757 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
760 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
763 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
766 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
769 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
772 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
775 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
778 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
781 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
814 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
815 case GDK_Home: case GDK_KP_Home:
818 case GDK_Insert: case GDK_KP_Insert:
821 case GDK_Delete: case GDK_KP_Delete:
824 case GDK_End: case GDK_KP_End:
827 case GDK_Page_Up: case GDK_KP_Page_Up:
830 case GDK_Page_Down: case GDK_KP_Page_Down:
834 /* Reorder edit keys to physical order */
835 if (inst->cfg.funky_type == 3 && code <= 6)
836 code = "\0\2\1\4\5\3\6"[code];
838 if (inst->term->vt52_mode && code > 0 && code <= 6) {
839 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
840 use_ucsoutput = FALSE;
844 if (inst->cfg.funky_type == 5 && /* SCO function keys */
845 code >= 11 && code <= 34) {
846 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
848 switch (event->keyval) {
849 case GDK_F1: index = 0; break;
850 case GDK_F2: index = 1; break;
851 case GDK_F3: index = 2; break;
852 case GDK_F4: index = 3; break;
853 case GDK_F5: index = 4; break;
854 case GDK_F6: index = 5; break;
855 case GDK_F7: index = 6; break;
856 case GDK_F8: index = 7; break;
857 case GDK_F9: index = 8; break;
858 case GDK_F10: index = 9; break;
859 case GDK_F11: index = 10; break;
860 case GDK_F12: index = 11; break;
862 if (event->state & GDK_SHIFT_MASK) index += 12;
863 if (event->state & GDK_CONTROL_MASK) index += 24;
864 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
865 use_ucsoutput = FALSE;
868 if (inst->cfg.funky_type == 5 && /* SCO small keypad */
869 code >= 1 && code <= 6) {
870 char codes[] = "HL.FIG";
875 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
877 use_ucsoutput = FALSE;
880 if ((inst->term->vt52_mode || inst->cfg.funky_type == 4) &&
881 code >= 11 && code <= 24) {
887 if (inst->term->vt52_mode)
888 end = 1 + sprintf(output+1,
889 "\x1B%c", code + 'P' - 11 - offt);
891 end = 1 + sprintf(output+1,
892 "\x1BO%c", code + 'P' - 11 - offt);
893 use_ucsoutput = FALSE;
896 if (inst->cfg.funky_type == 1 && code >= 11 && code <= 15) {
897 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
898 use_ucsoutput = FALSE;
901 if (inst->cfg.funky_type == 2 && code >= 11 && code <= 14) {
902 if (inst->term->vt52_mode)
903 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
905 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
906 use_ucsoutput = FALSE;
909 if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) {
910 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
911 use_ucsoutput = FALSE;
915 end = 1 + sprintf(output+1, "\x1B[%d~", code);
916 use_ucsoutput = FALSE;
922 * Cursor keys. (This includes the numberpad cursor keys,
923 * if we haven't already done them due to app keypad mode.)
925 * Here we also process un-numlocked un-appkeypadded KP5,
926 * which sends ESC [ G.
930 switch (event->keyval) {
931 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
932 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
933 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
934 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
935 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
939 * The arrow keys normally do ESC [ A and so on. In
940 * app cursor keys mode they do ESC O A instead.
941 * Ctrl toggles the two modes.
943 if (inst->term->vt52_mode) {
944 end = 1 + sprintf(output+1, "\033%c", xkey);
945 } else if (!inst->term->app_cursor_keys ^
946 !(event->state & GDK_CONTROL_MASK)) {
947 end = 1 + sprintf(output+1, "\033O%c", xkey);
949 end = 1 + sprintf(output+1, "\033[%c", xkey);
951 use_ucsoutput = FALSE;
963 printf("generating sequence:");
964 for (i = start; i < end; i++)
965 printf(" %02x", (unsigned char) output[i]);
971 * For special control characters, the character set
972 * should never matter.
974 output[end] = '\0'; /* NUL-terminate */
975 ldisc_send(inst->ldisc, output+start, -2, 1);
976 } else if (!inst->direct_to_font) {
977 if (!use_ucsoutput) {
979 * The stuff we've just generated is assumed to be
980 * ISO-8859-1! This sounds insane, but `man
981 * XLookupString' agrees: strings of this type
982 * returned from the X server are hardcoded to
983 * 8859-1. Strictly speaking we should be doing
984 * this using some sort of GtkIMContext, which (if
985 * we're lucky) would give us our data directly in
986 * Unicode; but that's not supported in GTK 1.2 as
987 * far as I can tell, and it's poorly documented
988 * even in 2.0, so it'll have to wait.
990 lpage_send(inst->ldisc, CS_ISO8859_1, output+start,
994 * We generated our own Unicode key data from the
995 * keysym, so use that instead.
997 luni_send(inst->ldisc, ucsoutput+start, end-start, 1);
1001 * In direct-to-font mode, we just send the string
1002 * exactly as we received it.
1004 ldisc_send(inst->ldisc, output+start, end-start, 1);
1007 show_mouseptr(inst, 0);
1008 term_seen_key_event(inst->term);
1009 term_out(inst->term);
1015 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
1017 struct gui_data *inst = (struct gui_data *)data;
1018 int shift, ctrl, alt, x, y, button, act;
1020 show_mouseptr(inst, 1);
1022 if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
1023 term_scroll(inst->term, 0, -5);
1026 if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
1027 term_scroll(inst->term, 0, +5);
1031 shift = event->state & GDK_SHIFT_MASK;
1032 ctrl = event->state & GDK_CONTROL_MASK;
1033 alt = event->state & GDK_MOD1_MASK;
1035 if (event->button == 3 && ctrl) {
1036 gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
1037 event->button, event->time);
1041 if (event->button == 1)
1043 else if (event->button == 2)
1044 button = MBT_MIDDLE;
1045 else if (event->button == 3)
1048 return FALSE; /* don't even know what button! */
1050 switch (event->type) {
1051 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
1052 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
1053 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
1054 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
1055 default: return FALSE; /* don't know this event type */
1058 if (send_raw_mouse && !(inst->cfg.mouse_override && shift) &&
1059 act != MA_CLICK && act != MA_RELEASE)
1060 return TRUE; /* we ignore these in raw mouse mode */
1062 x = (event->x - inst->cfg.window_border) / inst->font_width;
1063 y = (event->y - inst->cfg.window_border) / inst->font_height;
1065 term_mouse(inst->term, button, translate_button(button), act,
1066 x, y, shift, ctrl, alt);
1071 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1073 struct gui_data *inst = (struct gui_data *)data;
1074 int shift, ctrl, alt, x, y, button;
1076 show_mouseptr(inst, 1);
1078 shift = event->state & GDK_SHIFT_MASK;
1079 ctrl = event->state & GDK_CONTROL_MASK;
1080 alt = event->state & GDK_MOD1_MASK;
1081 if (event->state & GDK_BUTTON1_MASK)
1083 else if (event->state & GDK_BUTTON2_MASK)
1084 button = MBT_MIDDLE;
1085 else if (event->state & GDK_BUTTON3_MASK)
1088 return FALSE; /* don't even know what button! */
1090 x = (event->x - inst->cfg.window_border) / inst->font_width;
1091 y = (event->y - inst->cfg.window_border) / inst->font_height;
1093 term_mouse(inst->term, button, translate_button(button), MA_DRAG,
1094 x, y, shift, ctrl, alt);
1099 void frontend_keypress(void *handle)
1101 struct gui_data *inst = (struct gui_data *)handle;
1104 * If our child process has exited but not closed, terminate on
1111 gint timer_func(gpointer data)
1113 struct gui_data *inst = (struct gui_data *)data;
1116 if (!inst->exited &&
1117 (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
1118 inst->exited = TRUE;
1119 if (inst->cfg.close_on_exit == FORCE_ON ||
1120 (inst->cfg.close_on_exit == AUTO && exitcode == 0))
1121 exit(0); /* just go. */
1124 term_update(inst->term);
1125 term_blink(inst->term, 0);
1129 void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
1132 * We must process exceptional notifications before ordinary
1133 * readability ones, or we may go straight past the urgent
1136 if (condition & GDK_INPUT_EXCEPTION)
1137 select_result(sourcefd, 4);
1138 if (condition & GDK_INPUT_READ)
1139 select_result(sourcefd, 1);
1140 if (condition & GDK_INPUT_WRITE)
1141 select_result(sourcefd, 2);
1144 void destroy(GtkWidget *widget, gpointer data)
1149 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1151 struct gui_data *inst = (struct gui_data *)data;
1152 inst->term->has_focus = event->in;
1153 term_out(inst->term);
1154 term_update(inst->term);
1155 show_mouseptr(inst, 1);
1160 * set or clear the "raw mouse message" mode
1162 void set_raw_mouse_mode(void *frontend, int activate)
1164 struct gui_data *inst = (struct gui_data *)frontend;
1165 activate = activate && !inst->cfg.no_mouse_rep;
1166 send_raw_mouse = activate;
1168 inst->currcursor = inst->rawcursor;
1170 inst->currcursor = inst->textcursor;
1171 show_mouseptr(inst, inst->mouseptr_visible);
1174 void request_resize(void *frontend, int w, int h)
1176 struct gui_data *inst = (struct gui_data *)frontend;
1177 int large_x, large_y;
1178 int offset_x, offset_y;
1180 GtkRequisition inner, outer;
1183 * This is a heinous hack dreamed up by the gnome-terminal
1184 * people to get around a limitation in gtk. The problem is
1185 * that in order to set the size correctly we really need to be
1186 * calling gtk_window_resize - but that needs to know the size
1187 * of the _whole window_, not the drawing area. So what we do
1188 * is to set an artificially huge size request on the drawing
1189 * area, recompute the resulting size request on the window,
1190 * and look at the difference between the two. That gives us
1191 * the x and y offsets we need to translate drawing area size
1192 * into window size for real, and then we call
1193 * gtk_window_resize.
1197 * We start by retrieving the current size of the whole window.
1198 * Adding a bit to _that_ will give us a value we can use as a
1199 * bogus size request which guarantees to be bigger than the
1200 * current size of the drawing area.
1202 get_window_pixels(inst, &large_x, &large_y);
1206 #if GTK_CHECK_VERSION(2,0,0)
1207 gtk_widget_set_size_request(inst->area, large_x, large_y);
1209 gtk_widget_set_usize(inst->area, large_x, large_y);
1211 gtk_widget_size_request(inst->area, &inner);
1212 gtk_widget_size_request(inst->window, &outer);
1214 offset_x = outer.width - inner.width;
1215 offset_y = outer.height - inner.height;
1217 area_x = inst->font_width * w + 2*inst->cfg.window_border;
1218 area_y = inst->font_height * h + 2*inst->cfg.window_border;
1221 * Now we must set the size request on the drawing area back to
1222 * something sensible before we commit the real resize. Best
1223 * way to do this, I think, is to set it to what the size is
1224 * really going to end up being.
1226 #if GTK_CHECK_VERSION(2,0,0)
1227 gtk_widget_set_size_request(inst->area, area_x, area_y);
1229 gtk_widget_set_usize(inst->area, area_x, area_y);
1230 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y);
1233 gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window));
1235 #if GTK_CHECK_VERSION(2,0,0)
1236 gtk_window_resize(GTK_WINDOW(inst->window),
1237 area_x + offset_x, area_y + offset_y);
1239 gdk_window_resize(inst->window->window,
1240 area_x + offset_x, area_y + offset_y);
1244 static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
1246 gboolean success[1];
1248 inst->cols[n].red = r * 0x0101;
1249 inst->cols[n].green = g * 0x0101;
1250 inst->cols[n].blue = b * 0x0101;
1252 gdk_colormap_free_colors(inst->colmap, inst->cols + n, 1);
1253 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
1254 FALSE, FALSE, success);
1256 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname,
1260 void set_window_background(struct gui_data *inst)
1262 if (inst->area && inst->area->window)
1263 gdk_window_set_background(inst->area->window, &inst->cols[18]);
1264 if (inst->window && inst->window->window)
1265 gdk_window_set_background(inst->window->window, &inst->cols[18]);
1268 void palette_set(void *frontend, int n, int r, int g, int b)
1270 struct gui_data *inst = (struct gui_data *)frontend;
1271 static const int first[21] = {
1272 0, 2, 4, 6, 8, 10, 12, 14,
1273 1, 3, 5, 7, 9, 11, 13, 15,
1276 real_palette_set(inst, first[n], r, g, b);
1278 real_palette_set(inst, first[n] + 1, r, g, b);
1280 set_window_background(inst);
1283 void palette_reset(void *frontend)
1285 struct gui_data *inst = (struct gui_data *)frontend;
1286 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1287 static const int ww[] = {
1288 6, 7, 8, 9, 10, 11, 12, 13,
1289 14, 15, 16, 17, 18, 19, 20, 21,
1292 gboolean success[NCOLOURS];
1295 assert(lenof(ww) == NCOLOURS);
1297 if (!inst->colmap) {
1298 inst->colmap = gdk_colormap_get_system();
1300 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
1303 for (i = 0; i < NCOLOURS; i++) {
1304 inst->cols[i].red = inst->cfg.colours[ww[i]][0] * 0x0101;
1305 inst->cols[i].green = inst->cfg.colours[ww[i]][1] * 0x0101;
1306 inst->cols[i].blue = inst->cfg.colours[ww[i]][2] * 0x0101;
1309 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
1310 FALSE, FALSE, success);
1311 for (i = 0; i < NCOLOURS; i++) {
1313 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
1314 appname, i, inst->cfg.colours[i][0],
1315 inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
1318 set_window_background(inst);
1321 void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
1323 struct gui_data *inst = (struct gui_data *)frontend;
1324 if (inst->pasteout_data)
1325 sfree(inst->pasteout_data);
1326 if (inst->pasteout_data_utf8)
1327 sfree(inst->pasteout_data_utf8);
1330 * Set up UTF-8 paste data. This only happens if we aren't in
1331 * direct-to-font mode using the D800 hack.
1333 if (!inst->direct_to_font) {
1334 wchar_t *tmp = data;
1337 inst->pasteout_data_utf8 = snewn(len*6, char);
1338 inst->pasteout_data_utf8_len = len*6;
1339 inst->pasteout_data_utf8_len =
1340 charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
1341 inst->pasteout_data_utf8_len,
1342 CS_UTF8, NULL, NULL, 0);
1343 if (inst->pasteout_data_utf8_len == 0) {
1344 sfree(inst->pasteout_data_utf8);
1345 inst->pasteout_data_utf8 = NULL;
1347 inst->pasteout_data_utf8 =
1348 sresize(inst->pasteout_data_utf8,
1349 inst->pasteout_data_utf8_len, char);
1352 inst->pasteout_data_utf8 = NULL;
1353 inst->pasteout_data_utf8_len = 0;
1356 inst->pasteout_data = snewn(len*6, char);
1357 inst->pasteout_data_len = len*6;
1358 inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
1359 data, len, inst->pasteout_data,
1360 inst->pasteout_data_len,
1362 if (inst->pasteout_data_len == 0) {
1363 sfree(inst->pasteout_data);
1364 inst->pasteout_data = NULL;
1366 inst->pasteout_data =
1367 sresize(inst->pasteout_data, inst->pasteout_data_len, char);
1370 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
1371 GDK_CURRENT_TIME)) {
1372 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1373 GDK_SELECTION_TYPE_STRING, 1);
1374 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1375 compound_text_atom, 1);
1376 if (inst->pasteout_data_utf8)
1377 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1378 utf8_string_atom, 1);
1382 term_deselect(inst->term);
1385 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1386 guint info, guint time_stamp, gpointer data)
1388 struct gui_data *inst = (struct gui_data *)data;
1389 if (seldata->target == utf8_string_atom)
1390 gtk_selection_data_set(seldata, seldata->target, 8,
1391 inst->pasteout_data_utf8,
1392 inst->pasteout_data_utf8_len);
1394 gtk_selection_data_set(seldata, seldata->target, 8,
1395 inst->pasteout_data, inst->pasteout_data_len);
1398 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1401 struct gui_data *inst = (struct gui_data *)data;
1402 term_deselect(inst->term);
1403 if (inst->pasteout_data)
1404 sfree(inst->pasteout_data);
1405 if (inst->pasteout_data_utf8)
1406 sfree(inst->pasteout_data_utf8);
1407 inst->pasteout_data = NULL;
1408 inst->pasteout_data_len = 0;
1409 inst->pasteout_data_utf8 = NULL;
1410 inst->pasteout_data_utf8_len = 0;
1414 void request_paste(void *frontend)
1416 struct gui_data *inst = (struct gui_data *)frontend;
1418 * In Unix, pasting is asynchronous: all we can do at the
1419 * moment is to call gtk_selection_convert(), and when the data
1420 * comes back _then_ we can call term_do_paste().
1423 if (!inst->direct_to_font) {
1425 * First we attempt to retrieve the selection as a UTF-8
1426 * string (which we will convert to the correct code page
1427 * before sending to the session, of course). If that
1428 * fails, selection_received() will be informed and will
1429 * fall back to an ordinary string.
1431 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1432 utf8_string_atom, GDK_CURRENT_TIME);
1435 * If we're in direct-to-font mode, we disable UTF-8
1436 * pasting, and go straight to ordinary string data.
1438 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1439 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1443 gint idle_paste_func(gpointer data); /* forward ref */
1445 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
1446 guint time, gpointer data)
1448 struct gui_data *inst = (struct gui_data *)data;
1450 if (seldata->target == utf8_string_atom && seldata->length <= 0) {
1452 * Failed to get a UTF-8 selection string. Try an ordinary
1455 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1456 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1461 * Any other failure should just go foom.
1463 if (seldata->length <= 0 ||
1464 (seldata->type != GDK_SELECTION_TYPE_STRING &&
1465 seldata->type != utf8_string_atom))
1466 return; /* Nothing happens. */
1468 if (inst->pastein_data)
1469 sfree(inst->pastein_data);
1471 inst->pastein_data = snewn(seldata->length, wchar_t);
1472 inst->pastein_data_len = seldata->length;
1473 inst->pastein_data_len =
1474 mb_to_wc((seldata->type == utf8_string_atom ?
1475 CS_UTF8 : inst->ucsdata.line_codepage),
1476 0, seldata->data, seldata->length,
1477 inst->pastein_data, inst->pastein_data_len);
1479 term_do_paste(inst->term);
1481 if (term_paste_pending(inst->term))
1482 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
1485 gint idle_paste_func(gpointer data)
1487 struct gui_data *inst = (struct gui_data *)data;
1489 if (term_paste_pending(inst->term))
1490 term_paste(inst->term);
1492 gtk_idle_remove(inst->term_paste_idle_id);
1498 void get_clip(void *frontend, wchar_t ** p, int *len)
1500 struct gui_data *inst = (struct gui_data *)frontend;
1503 *p = inst->pastein_data;
1504 *len = inst->pastein_data_len;
1508 static void set_window_titles(struct gui_data *inst)
1511 * We must always call set_icon_name after calling set_title,
1512 * since set_title will write both names. Irritating, but such
1515 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1516 if (!inst->cfg.win_name_always)
1517 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1520 void set_title(void *frontend, char *title)
1522 struct gui_data *inst = (struct gui_data *)frontend;
1523 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1524 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1525 set_window_titles(inst);
1528 void set_icon(void *frontend, char *title)
1530 struct gui_data *inst = (struct gui_data *)frontend;
1531 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1532 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1533 set_window_titles(inst);
1536 void set_sbar(void *frontend, int total, int start, int page)
1538 struct gui_data *inst = (struct gui_data *)frontend;
1539 if (!inst->cfg.scrollbar)
1541 inst->sbar_adjust->lower = 0;
1542 inst->sbar_adjust->upper = total;
1543 inst->sbar_adjust->value = start;
1544 inst->sbar_adjust->page_size = page;
1545 inst->sbar_adjust->step_increment = 1;
1546 inst->sbar_adjust->page_increment = page/2;
1547 inst->ignore_sbar = TRUE;
1548 gtk_adjustment_changed(inst->sbar_adjust);
1549 inst->ignore_sbar = FALSE;
1552 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1554 struct gui_data *inst = (struct gui_data *)data;
1556 if (!inst->cfg.scrollbar)
1558 if (!inst->ignore_sbar)
1559 term_scroll(inst->term, 1, (int)adj->value);
1562 void sys_cursor(void *frontend, int x, int y)
1565 * This is meaningless under X.
1570 * This is still called when mode==BELL_VISUAL, even though the
1571 * visual bell is handled entirely within terminal.c, because we
1572 * may want to perform additional actions on any kind of bell (for
1573 * example, taskbar flashing in Windows).
1575 void beep(void *frontend, int mode)
1577 if (mode != BELL_VISUAL)
1581 int char_width(Context ctx, int uc)
1584 * Under X, any fixed-width font really _is_ fixed-width.
1585 * Double-width characters will be dealt with using a separate
1586 * font. For the moment we can simply return 1.
1591 Context get_ctx(void *frontend)
1593 struct gui_data *inst = (struct gui_data *)frontend;
1594 struct draw_ctx *dctx;
1596 if (!inst->area->window)
1599 dctx = snew(struct draw_ctx);
1601 dctx->gc = gdk_gc_new(inst->area->window);
1605 void free_ctx(Context ctx)
1607 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1608 /* struct gui_data *inst = dctx->inst; */
1609 GdkGC *gc = dctx->gc;
1615 * Draw a line of text in the window, at given character
1616 * coordinates, in given attributes.
1618 * We are allowed to fiddle with the contents of `text'.
1620 void do_text_internal(Context ctx, int x, int y, char *text, int len,
1621 unsigned long attr, int lattr)
1623 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1624 struct gui_data *inst = dctx->inst;
1625 GdkGC *gc = dctx->gc;
1627 int nfg, nbg, t, fontid, shadow, rlen, widefactor;
1629 nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1630 nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
1631 nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1632 nbg = 2 * (nbg & 0xF) + (nbg & 0x10 ? 1 : 0);
1633 if (attr & ATTR_REVERSE) {
1638 if (inst->cfg.bold_colour && (attr & ATTR_BOLD))
1640 if (inst->cfg.bold_colour && (attr & ATTR_BLINK))
1642 if (attr & TATTR_ACTCURS) {
1647 fontid = shadow = 0;
1649 if (attr & ATTR_WIDE) {
1656 if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) {
1657 if (inst->fonts[fontid | 1])
1663 if (lattr != LATTR_NORM) {
1665 if (x >= inst->term->cols)
1667 if (x + len*2*widefactor > inst->term->cols)
1668 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1676 r.x = x*inst->font_width+inst->cfg.window_border;
1677 r.y = y*inst->font_height+inst->cfg.window_border;
1678 r.width = rlen*widefactor*inst->font_width;
1679 r.height = inst->font_height;
1680 gdk_gc_set_clip_rectangle(gc, &r);
1683 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1684 gdk_draw_rectangle(inst->pixmap, gc, 1,
1685 x*inst->font_width+inst->cfg.window_border,
1686 y*inst->font_height+inst->cfg.window_border,
1687 rlen*widefactor*inst->font_width, inst->font_height);
1689 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1696 wcs = snewn(len+1, wchar_t);
1697 for (i = 0; i < len; i++) {
1698 wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
1701 if (inst->fonts[fontid] == NULL) {
1703 * The font for this contingency does not exist.
1704 * Typically this means we've been given ATTR_WIDE
1705 * character and have no wide font. So we display
1706 * nothing at all; such is life.
1708 } else if (inst->fontinfo[fontid].is_wide) {
1710 * At least one version of gdk_draw_text_wc() has a
1711 * weird bug whereby it reads `len' elements of the
1712 * input string, but only draws `len/2'. Hence I'm
1713 * going to make its input array twice as long as it
1714 * theoretically needs to be, and pass in twice the
1715 * actual number of characters. If a fixed gdk actually
1716 * takes the doubled length seriously, then (a) the
1717 * array will stand scrutiny up to the full length, (b)
1718 * the spare elements of the array are full of zeroes
1719 * which will probably be an empty glyph in the font,
1720 * and (c) the clip rectangle should prevent it causing
1723 gwcs = snewn(len*2+1, GdkWChar);
1724 memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
1726 * FIXME: when we have a wide-char equivalent of
1727 * from_unicode, use it instead of this.
1729 for (i = 0; i <= len; i++)
1731 gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
1732 x*inst->font_width+inst->cfg.window_border,
1733 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1737 gcs = snewn(len+1, gchar);
1738 wc_to_mb(inst->fontinfo[fontid].charset, 0,
1739 wcs, len, gcs, len, ".", NULL, NULL);
1740 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1741 x*inst->font_width+inst->cfg.window_border,
1742 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1750 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1751 x*inst->font_width+inst->cfg.window_border + inst->cfg.shadowboldoffset,
1752 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1756 if (attr & ATTR_UNDER) {
1757 int uheight = inst->fonts[0]->ascent + 1;
1758 if (uheight >= inst->font_height)
1759 uheight = inst->font_height - 1;
1760 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->cfg.window_border,
1761 y*inst->font_height + uheight + inst->cfg.window_border,
1762 (x+len)*widefactor*inst->font_width-1+inst->cfg.window_border,
1763 y*inst->font_height + uheight + inst->cfg.window_border);
1766 if (lattr != LATTR_NORM) {
1768 * I can't find any plausible StretchBlt equivalent in the
1769 * X server, so I'm going to do this the slow and painful
1770 * way. This will involve repeated calls to
1771 * gdk_draw_pixmap() to stretch the text horizontally. It's
1772 * O(N^2) in time and O(N) in network bandwidth, but you
1773 * try thinking of a better way. :-(
1776 for (i = 0; i < len * widefactor * inst->font_width; i++) {
1777 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1778 x*inst->font_width+inst->cfg.window_border + 2*i,
1779 y*inst->font_height+inst->cfg.window_border,
1780 x*inst->font_width+inst->cfg.window_border + 2*i+1,
1781 y*inst->font_height+inst->cfg.window_border,
1782 len * inst->font_width - i, inst->font_height);
1785 if (lattr != LATTR_WIDE) {
1787 /* Now stretch vertically, in the same way. */
1788 if (lattr == LATTR_BOT)
1792 for (i = 0; i < inst->font_height; i+=2) {
1793 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1794 x*inst->font_width+inst->cfg.window_border,
1795 y*inst->font_height+inst->cfg.window_border+dt*i+db,
1796 x*widefactor*inst->font_width+inst->cfg.window_border,
1797 y*inst->font_height+inst->cfg.window_border+dt*(i+1),
1798 len * inst->font_width, inst->font_height-i-1);
1804 void do_text(Context ctx, int x, int y, char *text, int len,
1805 unsigned long attr, int lattr)
1807 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1808 struct gui_data *inst = dctx->inst;
1809 GdkGC *gc = dctx->gc;
1812 do_text_internal(ctx, x, y, text, len, attr, lattr);
1814 if (attr & ATTR_WIDE) {
1820 if (lattr != LATTR_NORM) {
1822 if (x >= inst->term->cols)
1824 if (x + len*2*widefactor > inst->term->cols)
1825 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1829 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1830 x*inst->font_width+inst->cfg.window_border,
1831 y*inst->font_height+inst->cfg.window_border,
1832 x*inst->font_width+inst->cfg.window_border,
1833 y*inst->font_height+inst->cfg.window_border,
1834 len*widefactor*inst->font_width, inst->font_height);
1837 void do_cursor(Context ctx, int x, int y, char *text, int len,
1838 unsigned long attr, int lattr)
1840 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1841 struct gui_data *inst = dctx->inst;
1842 GdkGC *gc = dctx->gc;
1844 int passive, widefactor;
1846 if (attr & TATTR_PASCURS) {
1847 attr &= ~TATTR_PASCURS;
1851 if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) {
1852 attr &= ~TATTR_ACTCURS;
1854 do_text_internal(ctx, x, y, text, len, attr, lattr);
1856 if (attr & ATTR_WIDE) {
1862 if (lattr != LATTR_NORM) {
1864 if (x >= inst->term->cols)
1866 if (x + len*2*widefactor > inst->term->cols)
1867 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1871 if (inst->cfg.cursor_type == 0) {
1873 * An active block cursor will already have been done by
1874 * the above do_text call, so we only need to do anything
1878 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1879 gdk_draw_rectangle(inst->pixmap, gc, 0,
1880 x*inst->font_width+inst->cfg.window_border,
1881 y*inst->font_height+inst->cfg.window_border,
1882 len*inst->font_width-1, inst->font_height-1);
1886 int startx, starty, dx, dy, length, i;
1890 if ((attr & ATTR_WIDE) || lattr != LATTR_NORM)
1891 char_width = 2*inst->font_width;
1893 char_width = inst->font_width;
1895 if (inst->cfg.cursor_type == 1) {
1896 uheight = inst->fonts[0]->ascent + 1;
1897 if (uheight >= inst->font_height)
1898 uheight = inst->font_height - 1;
1900 startx = x * inst->font_width + inst->cfg.window_border;
1901 starty = y * inst->font_height + inst->cfg.window_border + uheight;
1904 length = len * char_width;
1907 if (attr & TATTR_RIGHTCURS)
1908 xadjust = char_width - 1;
1909 startx = x * inst->font_width + inst->cfg.window_border + xadjust;
1910 starty = y * inst->font_height + inst->cfg.window_border;
1913 length = inst->font_height;
1916 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1918 for (i = 0; i < length; i++) {
1920 gdk_draw_point(inst->pixmap, gc, startx, starty);
1926 gdk_draw_line(inst->pixmap, gc, startx, starty,
1927 startx + (length-1) * dx, starty + (length-1) * dy);
1931 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1932 x*inst->font_width+inst->cfg.window_border,
1933 y*inst->font_height+inst->cfg.window_border,
1934 x*inst->font_width+inst->cfg.window_border,
1935 y*inst->font_height+inst->cfg.window_border,
1936 len*widefactor*inst->font_width, inst->font_height);
1939 GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
1942 * Truly hideous hack: GTK doesn't allow us to set the mouse
1943 * cursor foreground and background colours unless we've _also_
1944 * created our own cursor from bitmaps. Therefore, I need to
1945 * load the `cursor' font and draw glyphs from it on to
1946 * pixmaps, in order to construct my cursors with the fg and bg
1947 * I want. This is a gross hack, but it's more self-contained
1948 * than linking in Xlib to find the X window handle to
1949 * inst->area and calling XRecolorCursor, and it's more
1950 * futureproof than hard-coding the shapes as bitmap arrays.
1952 static GdkFont *cursor_font = NULL;
1953 GdkPixmap *source, *mask;
1955 GdkColor cfg = { 0, 65535, 65535, 65535 };
1956 GdkColor cbg = { 0, 0, 0, 0 };
1957 GdkColor dfg = { 1, 65535, 65535, 65535 };
1958 GdkColor dbg = { 0, 0, 0, 0 };
1961 gint lb, rb, wid, asc, desc, w, h, x, y;
1963 if (cursor_val == -2) {
1964 gdk_font_unref(cursor_font);
1968 if (cursor_val >= 0 && !cursor_font)
1969 cursor_font = gdk_font_load("cursor");
1972 * Get the text extent of the cursor in question. We use the
1973 * mask character for this, because it's typically slightly
1974 * bigger than the main character.
1976 if (cursor_val >= 0) {
1978 text[0] = (char)cursor_val + 1;
1979 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1980 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1986 source = gdk_pixmap_new(NULL, w, h, 1);
1987 mask = gdk_pixmap_new(NULL, w, h, 1);
1990 * Draw the mask character on the mask pixmap.
1992 gc = gdk_gc_new(mask);
1993 gdk_gc_set_foreground(gc, &dbg);
1994 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1995 if (cursor_val >= 0) {
1997 text[0] = (char)cursor_val + 1;
1998 gdk_gc_set_foreground(gc, &dfg);
1999 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
2004 * Draw the main character on the source pixmap.
2006 gc = gdk_gc_new(source);
2007 gdk_gc_set_foreground(gc, &dbg);
2008 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
2009 if (cursor_val >= 0) {
2011 text[0] = (char)cursor_val;
2012 gdk_gc_set_foreground(gc, &dfg);
2013 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
2018 * Create the cursor.
2020 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
2025 gdk_pixmap_unref(source);
2026 gdk_pixmap_unref(mask);
2031 void modalfatalbox(char *p, ...)
2034 fprintf(stderr, "FATAL ERROR: ");
2036 vfprintf(stderr, p, ap);
2038 fputc('\n', stderr);
2042 void cmdline_error(char *p, ...)
2045 fprintf(stderr, "%s: ", appname);
2047 vfprintf(stderr, p, ap);
2049 fputc('\n', stderr);
2053 char *get_x_display(void *frontend)
2055 return gdk_get_display();
2058 long get_windowid(void *frontend)
2060 struct gui_data *inst = (struct gui_data *)frontend;
2061 return (long)GDK_WINDOW_XWINDOW(inst->area->window);
2064 static void help(FILE *fp) {
2066 "pterm option summary:\n"
2068 " --display DISPLAY Specify X display to use (note '--')\n"
2069 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
2070 " -fn FONT Normal text font\n"
2071 " -fb FONT Bold text font\n"
2072 " -geometry GEOMETRY Position and size of window (size in characters)\n"
2073 " -sl LINES Number of lines of scrollback\n"
2074 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
2075 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
2076 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
2077 " -T TITLE Window title\n"
2078 " -ut, +ut Do(default) or do not update utmp\n"
2079 " -ls, +ls Do(default) or do not make shell a login shell\n"
2080 " -sb, +sb Do(default) or do not display a scrollbar\n"
2081 " -log PATH Log all output to a file\n"
2082 " -nethack Map numeric keypad to hjklyubn direction keys\n"
2083 " -xrm RESOURCE-STRING Set an X resource\n"
2084 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
2085 ) < 0 || fflush(fp) < 0) {
2086 perror("output error");
2091 int do_cmdline(int argc, char **argv, int do_everything,
2092 struct gui_data *inst, Config *cfg)
2098 * Macros to make argument handling easier. Note that because
2099 * they need to call `continue', they cannot be contained in
2100 * the usual do {...} while (0) wrapper to make them
2101 * syntactically single statements; hence it is not legal to
2102 * use one of these macros as an unbraced statement between
2105 #define EXPECTS_ARG { \
2106 if (--argc <= 0) { \
2108 fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
2113 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2115 while (--argc > 0) {
2120 * Shameless cheating. Debian requires all X terminal
2121 * emulators to support `-T title'; but
2122 * cmdline_process_param will eat -T (it means no-pty) and
2123 * complain that pterm doesn't support it. So, in pterm
2124 * only, we convert -T into -title.
2126 if ((cmdline_tooltype & TOOLTYPE_NONNETWORK) &&
2130 ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
2131 do_everything ? 1 : -1, cfg);
2134 cmdline_error("option \"%s\" requires an argument", p);
2135 } else if (ret == 2) {
2136 --argc, ++argv; /* skip next argument */
2138 } else if (ret == 1) {
2142 if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
2145 strncpy(cfg->font.name, val, sizeof(cfg->font.name));
2146 cfg->font.name[sizeof(cfg->font.name)-1] = '\0';
2148 } else if (!strcmp(p, "-fb")) {
2151 strncpy(cfg->boldfont.name, val, sizeof(cfg->boldfont.name));
2152 cfg->boldfont.name[sizeof(cfg->boldfont.name)-1] = '\0';
2154 } else if (!strcmp(p, "-fw")) {
2157 strncpy(cfg->widefont.name, val, sizeof(cfg->widefont.name));
2158 cfg->widefont.name[sizeof(cfg->widefont.name)-1] = '\0';
2160 } else if (!strcmp(p, "-fwb")) {
2163 strncpy(cfg->wideboldfont.name, val, sizeof(cfg->wideboldfont.name));
2164 cfg->wideboldfont.name[sizeof(cfg->wideboldfont.name)-1] = '\0';
2166 } else if (!strcmp(p, "-cs")) {
2169 strncpy(cfg->line_codepage, val, sizeof(cfg->line_codepage));
2170 cfg->line_codepage[sizeof(cfg->line_codepage)-1] = '\0';
2172 } else if (!strcmp(p, "-geometry")) {
2173 int flags, x, y, w, h;
2177 flags = XParseGeometry(val, &x, &y, &w, &h);
2178 if (flags & WidthValue)
2180 if (flags & HeightValue)
2183 if (flags & (XValue | YValue)) {
2186 inst->gotpos = TRUE;
2187 inst->gravity = ((flags & XNegative ? 1 : 0) |
2188 (flags & YNegative ? 2 : 0));
2191 } else if (!strcmp(p, "-sl")) {
2194 cfg->savelines = atoi(val);
2196 } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
2197 !strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
2198 !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
2203 if (!gdk_color_parse(val, &col)) {
2205 fprintf(stderr, "%s: unable to parse colour \"%s\"\n",
2209 index = (!strcmp(p, "-fg") ? 0 :
2210 !strcmp(p, "-bg") ? 2 :
2211 !strcmp(p, "-bfg") ? 1 :
2212 !strcmp(p, "-bbg") ? 3 :
2213 !strcmp(p, "-cfg") ? 4 :
2214 !strcmp(p, "-cbg") ? 5 : -1);
2215 assert(index != -1);
2216 cfg->colours[index][0] = col.red / 256;
2217 cfg->colours[index][1] = col.green / 256;
2218 cfg->colours[index][2] = col.blue / 256;
2221 } else if (use_pty_argv && !strcmp(p, "-e")) {
2222 /* This option swallows all further arguments. */
2228 pty_argv = snewn(argc+1, char *);
2230 for (i = 0; i < argc; i++)
2231 pty_argv[i] = argv[i];
2232 pty_argv[argc] = NULL;
2233 break; /* finished command-line processing */
2235 err = 1, fprintf(stderr, "%s: -e expects an argument\n",
2238 } else if (!strcmp(p, "-title")) {
2241 strncpy(cfg->wintitle, val, sizeof(cfg->wintitle));
2242 cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0';
2244 } else if (!strcmp(p, "-log")) {
2247 strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path));
2248 cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0';
2249 cfg->logtype = LGTYP_DEBUG;
2251 } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
2253 cfg->stamp_utmp = 0;
2255 } else if (!strcmp(p, "-ut")) {
2257 cfg->stamp_utmp = 1;
2259 } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
2261 cfg->login_shell = 0;
2263 } else if (!strcmp(p, "-ls")) {
2265 cfg->login_shell = 1;
2267 } else if (!strcmp(p, "-nethack")) {
2269 cfg->nethack_keypad = 1;
2271 } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
2275 } else if (!strcmp(p, "-sb")) {
2279 } else if (!strcmp(p, "-name")) {
2283 } else if (!strcmp(p, "-xrm")) {
2285 provide_xrm_string(val);
2287 } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
2291 } else if(p[0] != '-' && (!do_everything ||
2292 process_nonoption_arg(p, cfg))) {
2297 fprintf(stderr, "%s: unrecognized option '%s'\n", appname, p);
2304 static void block_signal(int sig, int block_it) {
2308 sigaddset(&ss, sig);
2309 if(sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) {
2310 perror("sigprocmask");
2316 * This function retrieves the character set encoding of a font. It
2317 * returns the character set without the X11 hack (in case the user
2318 * asks to use the font's own encoding).
2320 static int set_font_info(struct gui_data *inst, int fontid)
2322 GdkFont *font = inst->fonts[fontid];
2323 XFontStruct *xfs = GDK_FONT_XFONT(font);
2324 Display *disp = GDK_FONT_XDISPLAY(font);
2325 Atom charset_registry, charset_encoding;
2326 unsigned long registry_ret, encoding_ret;
2327 int retval = CS_NONE;
2329 charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False);
2330 charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False);
2331 inst->fontinfo[fontid].charset = CS_NONE;
2332 inst->fontinfo[fontid].is_wide = 0;
2333 if (XGetFontProperty(xfs, charset_registry, ®istry_ret) &&
2334 XGetFontProperty(xfs, charset_encoding, &encoding_ret)) {
2336 reg = XGetAtomName(disp, (Atom)registry_ret);
2337 enc = XGetAtomName(disp, (Atom)encoding_ret);
2339 char *encoding = dupcat(reg, "-", enc, NULL);
2340 retval = inst->fontinfo[fontid].charset =
2341 charset_from_xenc(encoding);
2342 /* FIXME: when libcharset supports wide encodings fix this. */
2343 if (!strcasecmp(encoding, "iso10646-1")) {
2344 inst->fontinfo[fontid].is_wide = 1;
2349 * Hack for X line-drawing characters: if the primary
2350 * font is encoded as ISO-8859-anything, and has valid
2351 * glyphs in the first 32 char positions, it is assumed
2352 * that those glyphs are the VT100 line-drawing
2355 * Actually, we'll hack even harder by only checking
2356 * position 0x19 (vertical line, VT100 linedrawing
2357 * `x'). Then we can check it easily by seeing if the
2358 * ascent and descent differ.
2360 if (inst->fontinfo[fontid].charset == CS_ISO8859_1) {
2361 int lb, rb, wid, asc, desc;
2366 gdk_string_extents(inst->fonts[fontid], text,
2367 &lb, &rb, &wid, &asc, &desc);
2369 inst->fontinfo[fontid].charset = CS_ISO8859_1_X11;
2379 int uxsel_input_add(int fd, int rwx) {
2381 if (rwx & 1) flags |= GDK_INPUT_READ;
2382 if (rwx & 2) flags |= GDK_INPUT_WRITE;
2383 if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
2384 return gdk_input_add(fd, flags, fd_input_func, NULL);
2387 void uxsel_input_remove(int id) {
2388 gdk_input_remove(id);
2391 void setup_fonts_ucs(struct gui_data *inst)
2396 gdk_font_unref(inst->fonts[0]);
2398 gdk_font_unref(inst->fonts[1]);
2400 gdk_font_unref(inst->fonts[2]);
2402 gdk_font_unref(inst->fonts[3]);
2404 inst->fonts[0] = gdk_font_load(inst->cfg.font.name);
2405 if (!inst->fonts[0]) {
2406 fprintf(stderr, "%s: unable to load font \"%s\"\n", appname,
2407 inst->cfg.font.name);
2410 font_charset = set_font_info(inst, 0);
2411 if (inst->cfg.boldfont.name[0]) {
2412 inst->fonts[1] = gdk_font_load(inst->cfg.boldfont.name);
2413 if (!inst->fonts[1]) {
2414 fprintf(stderr, "%s: unable to load bold font \"%s\"\n", appname,
2415 inst->cfg.boldfont.name);
2418 set_font_info(inst, 1);
2420 inst->fonts[1] = NULL;
2421 if (inst->cfg.widefont.name[0]) {
2422 inst->fonts[2] = gdk_font_load(inst->cfg.widefont.name);
2423 if (!inst->fonts[2]) {
2424 fprintf(stderr, "%s: unable to load wide font \"%s\"\n", appname,
2425 inst->cfg.widefont.name);
2428 set_font_info(inst, 2);
2430 inst->fonts[2] = NULL;
2431 if (inst->cfg.wideboldfont.name[0]) {
2432 inst->fonts[3] = gdk_font_load(inst->cfg.wideboldfont.name);
2433 if (!inst->fonts[3]) {
2434 fprintf(stderr, "%s: unable to load wide/bold font \"%s\"\n",
2435 appname, inst->cfg.wideboldfont.name);
2438 set_font_info(inst, 3);
2440 inst->fonts[3] = NULL;
2442 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
2443 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
2445 inst->direct_to_font = init_ucs(&inst->ucsdata,
2446 inst->cfg.line_codepage, font_charset,
2450 void set_geom_hints(struct gui_data *inst)
2453 geom.min_width = inst->font_width + 2*inst->cfg.window_border;
2454 geom.min_height = inst->font_height + 2*inst->cfg.window_border;
2455 geom.max_width = geom.max_height = -1;
2456 geom.base_width = 2*inst->cfg.window_border;
2457 geom.base_height = 2*inst->cfg.window_border;
2458 geom.width_inc = inst->font_width;
2459 geom.height_inc = inst->font_height;
2460 geom.min_aspect = geom.max_aspect = 0;
2461 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
2462 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
2463 GDK_HINT_RESIZE_INC);
2466 void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
2468 struct gui_data *inst = (struct gui_data *)data;
2469 term_clrsb(inst->term);
2472 void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
2474 struct gui_data *inst = (struct gui_data *)data;
2475 term_pwron(inst->term);
2476 ldisc_send(inst->ldisc, NULL, 0, 0);
2479 void copy_all_menuitem(GtkMenuItem *item, gpointer data)
2481 struct gui_data *inst = (struct gui_data *)data;
2482 term_copyall(inst->term);
2485 void special_menuitem(GtkMenuItem *item, gpointer data)
2487 struct gui_data *inst = (struct gui_data *)data;
2488 int code = (int)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2490 inst->back->special(inst->backhandle, code);
2493 void about_menuitem(GtkMenuItem *item, gpointer data)
2495 struct gui_data *inst = (struct gui_data *)data;
2496 about_box(inst->window);
2499 void event_log_menuitem(GtkMenuItem *item, gpointer data)
2501 struct gui_data *inst = (struct gui_data *)data;
2502 showeventlog(inst->eventlogstuff, inst->window);
2505 void change_settings_menuitem(GtkMenuItem *item, gpointer data)
2507 /* This maps colour indices in inst->cfg to those used in inst->cols. */
2508 static const int ww[] = {
2509 6, 7, 8, 9, 10, 11, 12, 13,
2510 14, 15, 16, 17, 18, 19, 20, 21,
2513 struct gui_data *inst = (struct gui_data *)data;
2514 char *title = dupcat(appname, " Reconfiguration", NULL);
2515 Config cfg2, oldcfg;
2518 cfg2 = inst->cfg; /* structure copy */
2520 if (do_config_box(title, &cfg2, 1)) {
2522 oldcfg = inst->cfg; /* structure copy */
2523 inst->cfg = cfg2; /* structure copy */
2525 /* Pass new config data to the logging module */
2526 log_reconfig(inst->logctx, &cfg2);
2528 * Flush the line discipline's edit buffer in the case
2529 * where local editing has just been disabled.
2531 ldisc_send(inst->ldisc, NULL, 0, 0);
2532 /* Pass new config data to the terminal */
2533 term_reconfig(inst->term, &cfg2);
2534 /* Pass new config data to the back end */
2535 inst->back->reconfig(inst->backhandle, &cfg2);
2538 * Just setting inst->cfg is sufficient to cause colour
2539 * setting changes to appear on the next ESC]R palette
2540 * reset. But we should also check whether any colour
2541 * settings have been changed, and revert the ones that
2542 * have to the new default, on the assumption that the user
2543 * is most likely to want an immediate update.
2545 for (i = 0; i < NCOLOURS; i++) {
2546 if (oldcfg.colours[ww[i]][0] != cfg2.colours[ww[i]][0] ||
2547 oldcfg.colours[ww[i]][1] != cfg2.colours[ww[i]][1] ||
2548 oldcfg.colours[ww[i]][2] != cfg2.colours[ww[i]][2])
2549 real_palette_set(inst, i, cfg2.colours[ww[i]][0],
2550 cfg2.colours[ww[i]][1],
2551 cfg2.colours[ww[i]][2]);
2555 * If the scrollbar needs to be shown, hidden, or moved
2556 * from one end to the other of the window, do so now.
2558 if (oldcfg.scrollbar != cfg2.scrollbar) {
2560 gtk_widget_show(inst->sbar);
2562 gtk_widget_hide(inst->sbar);
2564 if (oldcfg.scrollbar_on_left != cfg2.scrollbar_on_left) {
2565 gtk_box_reorder_child(inst->hbox, inst->sbar,
2566 cfg2.scrollbar_on_left ? 0 : 1);
2570 * Change the window title, if required.
2572 if (strcmp(oldcfg.wintitle, cfg2.wintitle))
2573 set_title(inst, cfg2.wintitle);
2574 set_window_titles(inst);
2577 * Redo the whole tangled fonts and Unicode mess if
2580 if (strcmp(oldcfg.font.name, cfg2.font.name) ||
2581 strcmp(oldcfg.boldfont.name, cfg2.boldfont.name) ||
2582 strcmp(oldcfg.widefont.name, cfg2.widefont.name) ||
2583 strcmp(oldcfg.wideboldfont.name, cfg2.wideboldfont.name) ||
2584 strcmp(oldcfg.line_codepage, cfg2.line_codepage) ||
2585 oldcfg.vtmode != cfg2.vtmode) {
2586 setup_fonts_ucs(inst);
2592 * Resize the window.
2594 if (oldcfg.width != cfg2.width || oldcfg.height != cfg2.height ||
2595 oldcfg.window_border != cfg2.window_border || need_size) {
2596 set_geom_hints(inst);
2597 request_resize(inst, cfg2.width, cfg2.height);
2600 * The above will have caused a call to term_size() for
2601 * us if it happened. If the user has fiddled with only
2602 * the scrollback size, the above will not have
2603 * happened and we will need an explicit term_size()
2606 if (oldcfg.savelines != cfg2.savelines)
2607 term_size(inst->term, inst->term->rows, inst->term->cols,
2611 term_invalidate(inst->term);
2616 void fork_and_exec_self(struct gui_data *inst, int fd_to_close, ...)
2619 * Re-execing ourself is not an exact science under Unix. I do
2620 * the best I can by using /proc/self/exe if available and by
2621 * assuming argv[0] can be found on $PATH if not.
2623 * Note that we also have to reconstruct the elements of the
2624 * original argv which gtk swallowed, since the user wants the
2625 * new session to appear on the same X display as the old one.
2633 * Collect the arguments with which to re-exec ourself.
2635 va_start(ap, fd_to_close);
2636 n = 2; /* progname and terminating NULL */
2637 n += inst->ngtkargs;
2638 while (va_arg(ap, char *) != NULL)
2642 args = snewn(n, char *);
2643 args[0] = inst->progname;
2645 for (i = 0; i < inst->ngtkargs; i++)
2646 args[i+1] = inst->gtkargvstart[i];
2649 va_start(ap, fd_to_close);
2650 while ((args[i++] = va_arg(ap, char *)) != NULL);
2656 * Do the double fork.
2669 } else if (pid2 > 0) {
2671 * First child has successfully forked second child. My
2672 * Work Here Is Done. Note the use of _exit rather than
2673 * exit: the latter appears to cause destroy messages
2674 * to be sent to the X server. I suspect gtk uses
2681 * If we reach here, we are the second child, so we now
2682 * actually perform the exec.
2684 if (fd_to_close >= 0)
2687 execv("/proc/self/exe", args);
2688 execvp(inst->progname, args);
2694 waitpid(pid, &status, 0);
2699 void dup_session_menuitem(GtkMenuItem *item, gpointer gdata)
2701 struct gui_data *inst = (struct gui_data *)gdata;
2703 * For this feature we must marshal cfg and (possibly) pty_argv
2704 * into a byte stream, create a pipe, and send this byte stream
2705 * to the child through the pipe.
2712 if (pipe(pipefd) < 0) {
2717 size = sizeof(inst->cfg);
2718 if (use_pty_argv && pty_argv) {
2719 for (i = 0; pty_argv[i]; i++)
2720 size += strlen(pty_argv[i]) + 1;
2723 data = snewn(size, char);
2724 memcpy(data, &inst->cfg, sizeof(inst->cfg));
2725 if (use_pty_argv && pty_argv) {
2726 int p = sizeof(inst->cfg);
2727 for (i = 0; pty_argv[i]; i++) {
2728 strcpy(data + p, pty_argv[i]);
2729 p += strlen(pty_argv[i]) + 1;
2734 sprintf(option, "---[%d,%d]", pipefd[0], size);
2735 fcntl(pipefd[0], F_SETFD, 0);
2736 fork_and_exec_self(inst, pipefd[1], option, NULL);
2740 while (i < size && (ret = write(pipefd[1], data + i, size - i)) > 0)
2743 perror("write to pipe");
2748 int read_dupsession_data(struct gui_data *inst, Config *cfg, char *arg)
2750 int fd, i, ret, size;
2753 if (sscanf(arg, "---[%d,%d]", &fd, &size) != 2) {
2754 fprintf(stderr, "%s: malformed magic argument `%s'\n", appname, arg);
2758 data = snewn(size, char);
2760 while (i < size && (ret = read(fd, data + i, size - i)) > 0)
2763 perror("read from pipe");
2765 } else if (i < size) {
2766 fprintf(stderr, "%s: unexpected EOF in Duplicate Session data\n",
2771 memcpy(cfg, data, sizeof(Config));
2772 if (use_pty_argv && size > sizeof(Config)) {
2776 while (i < size && data[i]) i++;
2778 fprintf(stderr, "%s: malformed Duplicate Session data\n",
2785 pty_argv = snewn(n+1, char *);
2791 while (i < size && data[i]) i++;
2794 pty_argv[n++] = dupstr(p);
2801 void new_session_menuitem(GtkMenuItem *item, gpointer data)
2803 struct gui_data *inst = (struct gui_data *)data;
2805 fork_and_exec_self(inst, -1, NULL);
2808 void saved_session_menuitem(GtkMenuItem *item, gpointer data)
2810 struct gui_data *inst = (struct gui_data *)data;
2811 char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2813 fork_and_exec_self(inst, -1, "-load", str, NULL);
2816 void saved_session_freedata(GtkMenuItem *item, gpointer data)
2818 char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2823 void update_specials_menu(void *frontend)
2825 struct gui_data *inst = (struct gui_data *)frontend;
2827 const struct telnet_special *specials;
2829 specials = inst->back->get_specials(inst->backhandle);
2830 gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
2831 (GtkCallback)gtk_widget_destroy, NULL);
2834 GtkWidget *menuitem;
2835 for (i = 0; specials[i].name; i++) {
2836 if (*specials[i].name) {
2837 menuitem = gtk_menu_item_new_with_label(specials[i].name);
2838 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2839 (gpointer)specials[i].code);
2840 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2841 GTK_SIGNAL_FUNC(special_menuitem), inst);
2843 menuitem = gtk_menu_item_new();
2844 gtk_container_add(GTK_CONTAINER(inst->specialsmenu), menuitem);
2845 gtk_widget_show(menuitem);
2847 gtk_widget_show(inst->specialsitem1);
2848 gtk_widget_show(inst->specialsitem2);
2850 gtk_widget_hide(inst->specialsitem1);
2851 gtk_widget_hide(inst->specialsitem2);
2855 int pt_main(int argc, char **argv)
2857 extern Backend *select_backend(Config *cfg);
2858 extern int cfgbox(Config *cfg);
2859 struct gui_data *inst;
2862 * Create an instance structure and initialise to zeroes
2864 inst = snew(struct gui_data);
2865 memset(inst, 0, sizeof(*inst));
2866 inst->alt_keycode = -1; /* this one needs _not_ to be zero */
2868 /* defer any child exit handling until we're ready to deal with
2870 block_signal(SIGCHLD, 1);
2872 inst->progname = argv[0];
2874 * Copy the original argv before letting gtk_init fiddle with
2875 * it. It will be required later.
2879 inst->gtkargvstart = snewn(argc-1, char *);
2880 for (i = 1; i < argc; i++)
2881 inst->gtkargvstart[i-1] = dupstr(argv[i]);
2883 gtk_init(&argc, &argv);
2884 inst->ngtkargs = oldargc - argc;
2887 if (argc > 1 && !strncmp(argv[1], "---", 3)) {
2888 read_dupsession_data(inst, &inst->cfg, argv[1]);
2889 /* Splatter this argument so it doesn't clutter a ps listing */
2890 memset(argv[1], 0, strlen(argv[1]));
2892 if (do_cmdline(argc, argv, 0, inst, &inst->cfg))
2893 exit(1); /* pre-defaults pass to get -class */
2894 do_defaults(NULL, &inst->cfg);
2895 if (do_cmdline(argc, argv, 1, inst, &inst->cfg))
2896 exit(1); /* post-defaults, do everything */
2898 cmdline_run_saved(&inst->cfg);
2900 if (!*inst->cfg.host && !cfgbox(&inst->cfg))
2901 exit(0); /* config box hit Cancel */
2904 if (!compound_text_atom)
2905 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2906 if (!utf8_string_atom)
2907 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2909 setup_fonts_ucs(inst);
2911 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2914 * Set up the colour map.
2916 palette_reset(inst);
2918 inst->width = inst->cfg.width;
2919 inst->height = inst->cfg.height;
2921 inst->area = gtk_drawing_area_new();
2922 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
2923 inst->font_width * inst->cfg.width + 2*inst->cfg.window_border,
2924 inst->font_height * inst->cfg.height + 2*inst->cfg.window_border);
2925 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
2926 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
2927 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2929 * We always create the scrollbar; it remains invisible if
2930 * unwanted, so we can pop it up quickly if it suddenly becomes
2933 if (inst->cfg.scrollbar_on_left)
2934 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2935 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
2936 if (!inst->cfg.scrollbar_on_left)
2937 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2939 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
2941 set_geom_hints(inst);
2943 gtk_widget_show(inst->area);
2944 if (inst->cfg.scrollbar)
2945 gtk_widget_show(inst->sbar);
2947 gtk_widget_hide(inst->sbar);
2948 gtk_widget_show(GTK_WIDGET(inst->hbox));
2951 int x = inst->xpos, y = inst->ypos;
2953 gtk_widget_size_request(GTK_WIDGET(inst->window), &req);
2954 if (inst->gravity & 1) x += gdk_screen_width() - req.width;
2955 if (inst->gravity & 2) y += gdk_screen_height() - req.height;
2956 gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE);
2957 gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y);
2960 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
2961 GTK_SIGNAL_FUNC(destroy), inst);
2962 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
2963 GTK_SIGNAL_FUNC(delete_window), inst);
2964 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
2965 GTK_SIGNAL_FUNC(key_event), inst);
2966 gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
2967 GTK_SIGNAL_FUNC(key_event), inst);
2968 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
2969 GTK_SIGNAL_FUNC(focus_event), inst);
2970 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
2971 GTK_SIGNAL_FUNC(focus_event), inst);
2972 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
2973 GTK_SIGNAL_FUNC(configure_area), inst);
2974 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
2975 GTK_SIGNAL_FUNC(expose_area), inst);
2976 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
2977 GTK_SIGNAL_FUNC(button_event), inst);
2978 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
2979 GTK_SIGNAL_FUNC(button_event), inst);
2980 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
2981 GTK_SIGNAL_FUNC(motion_event), inst);
2982 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
2983 GTK_SIGNAL_FUNC(selection_received), inst);
2984 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
2985 GTK_SIGNAL_FUNC(selection_get), inst);
2986 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
2987 GTK_SIGNAL_FUNC(selection_clear), inst);
2988 if (inst->cfg.scrollbar)
2989 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
2990 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
2991 gtk_timeout_add(20, timer_func, inst);
2992 gtk_widget_add_events(GTK_WIDGET(inst->area),
2993 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
2994 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
2995 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
2997 gtk_widget_show(inst->window);
2999 set_window_background(inst);
3002 * Set up the Ctrl+rightclick context menu.
3005 GtkWidget *menuitem;
3007 extern const int use_event_log, new_session, saved_sessions;
3009 inst->menu = gtk_menu_new();
3011 #define MKMENUITEM(title, func) do { \
3012 menuitem = title ? gtk_menu_item_new_with_label(title) : \
3013 gtk_menu_item_new(); \
3014 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
3015 gtk_widget_show(menuitem); \
3017 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
3018 GTK_SIGNAL_FUNC(func), inst); \
3021 MKMENUITEM("New Session", new_session_menuitem);
3022 MKMENUITEM("Duplicate Session", dup_session_menuitem);
3023 if (saved_sessions) {
3024 struct sesslist sesslist;
3027 inst->sessionsmenu = gtk_menu_new();
3029 get_sesslist(&sesslist, TRUE);
3030 for (i = 1; i < sesslist.nsessions; i++) {
3031 menuitem = gtk_menu_item_new_with_label(sesslist.sessions[i]);
3032 gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
3033 gtk_widget_show(menuitem);
3034 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
3035 dupstr(sesslist.sessions[i]));
3036 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
3037 GTK_SIGNAL_FUNC(saved_session_menuitem),
3039 gtk_signal_connect(GTK_OBJECT(menuitem), "destroy",
3040 GTK_SIGNAL_FUNC(saved_session_freedata),
3043 get_sesslist(&sesslist, FALSE);
3045 MKMENUITEM("Saved Sessions", NULL);
3046 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem),
3047 inst->sessionsmenu);
3049 MKMENUITEM(NULL, NULL);
3050 MKMENUITEM("Change Settings", change_settings_menuitem);
3051 MKMENUITEM(NULL, NULL);
3053 MKMENUITEM("Event Log", event_log_menuitem);
3054 MKMENUITEM("Special Commands", NULL);
3055 inst->specialsmenu = gtk_menu_new();
3056 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
3057 inst->specialsitem1 = menuitem;
3058 MKMENUITEM(NULL, NULL);
3059 inst->specialsitem2 = menuitem;
3060 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
3061 MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
3062 MKMENUITEM("Copy All", copy_all_menuitem);
3063 MKMENUITEM(NULL, NULL);
3064 s = dupcat("About ", appname, NULL);
3065 MKMENUITEM(s, about_menuitem);
3070 inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
3071 inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
3072 inst->blankcursor = make_mouse_ptr(inst, -1);
3073 make_mouse_ptr(inst, -2); /* clean up cursor font */
3074 inst->currcursor = inst->textcursor;
3075 show_mouseptr(inst, 1);
3077 inst->eventlogstuff = eventlogstuff_new();
3079 inst->term = term_init(&inst->cfg, &inst->ucsdata, inst);
3080 inst->logctx = log_init(inst, &inst->cfg);
3081 term_provide_logctx(inst->term, inst->logctx);
3085 term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines);
3087 inst->back = select_backend(&inst->cfg);
3092 error = inst->back->init((void *)inst, &inst->backhandle,
3093 &inst->cfg, inst->cfg.host, inst->cfg.port,
3094 &realhost, inst->cfg.tcp_nodelay);
3097 char *msg = dupprintf("Unable to open connection to %s:\n%s",
3098 inst->cfg.host, error);
3099 inst->exited = TRUE;
3100 fatal_message_box(inst->window, msg);
3105 if (inst->cfg.wintitle[0]) {
3106 set_title(inst, inst->cfg.wintitle);
3107 set_icon(inst, inst->cfg.wintitle);
3109 char *title = make_default_wintitle(realhost);
3110 set_title(inst, title);
3111 set_icon(inst, title);
3115 inst->back->provide_logctx(inst->backhandle, inst->logctx);
3116 update_specials_menu(inst);
3118 term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
3121 ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle, inst);
3122 ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
3124 /* now we're reday to deal with the child exit handler being
3126 block_signal(SIGCHLD, 0);
3129 * Block SIGPIPE: if we attempt Duplicate Session or similar
3130 * and it falls over in some way, we certainly don't want
3131 * SIGPIPE terminating the main pterm/PuTTY. Note that we do
3132 * this _after_ (at least pterm) forks off its child process,
3133 * since the child wants SIGPIPE handled in the usual way.
3135 block_signal(SIGPIPE, 1);
3137 inst->exited = FALSE;