2 * gtkwin.c: the main code that runs a PuTTY terminal emulator and
3 * backend in a GTK window.
18 #include <sys/types.h>
21 #include <gdk/gdkkeysyms.h>
24 #include <X11/Xutil.h>
25 #include <X11/Xatom.h>
27 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
33 #define CAT2(x,y) x ## y
34 #define CAT(x,y) CAT2(x,y)
35 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
37 /* Colours come in two flavours: configurable, and xterm-extended. */
38 #define NCFGCOLOURS (lenof(((Config *)0)->colours))
39 #define NEXTCOLOURS 240 /* 216 colour-cube plus 24 shades of grey */
40 #define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS)
42 GdkAtom compound_text_atom
, utf8_string_atom
;
44 extern char **pty_argv
; /* declared in pty.c */
45 extern int use_pty_argv
;
48 * Timers are global across all sessions (even if we were handling
49 * multiple sessions, which we aren't), so the current timer ID is
52 static guint timer_id
= 0;
55 GtkWidget
*window
, *area
, *sbar
;
57 GtkAdjustment
*sbar_adjust
;
58 GtkWidget
*menu
, *specialsmenu
, *specialsitem1
, *specialsitem2
,
60 GtkWidget
*sessionsmenu
;
62 unifont
*fonts
[4]; /* normal, bold, wide, widebold */
63 int xpos
, ypos
, gotpos
, gravity
;
64 GdkCursor
*rawcursor
, *textcursor
, *blankcursor
, *waitcursor
, *currcursor
;
65 GdkColor cols
[NALLCOLOURS
];
67 wchar_t *pastein_data
;
70 char *pasteout_data
, *pasteout_data_ctext
, *pasteout_data_utf8
;
71 int pasteout_data_len
, pasteout_data_ctext_len
, pasteout_data_utf8_len
;
72 int font_width
, font_height
;
77 guint term_paste_idle_id
;
78 guint term_exit_idle_id
;
81 char wintitle
[sizeof(((Config
*)0)->wintitle
)];
82 char icontitle
[sizeof(((Config
*)0)->wintitle
)];
83 int master_fd
, master_func_id
;
90 struct unicode_data ucsdata
;
93 char *progname
, **gtkargvstart
;
95 guint32 input_event_time
; /* Timestamp of the most recent input event. */
101 struct gui_data
*inst
;
104 static int send_raw_mouse
;
106 static char *app_name
= "pterm";
108 static void start_backend(struct gui_data
*inst
);
110 char *x_get_default(const char *key
)
112 return XGetDefault(GDK_DISPLAY(), app_name
, key
);
115 void connection_fatal(void *frontend
, char *p
, ...)
117 struct gui_data
*inst
= (struct gui_data
*)frontend
;
122 msg
= dupvprintf(p
, ap
);
125 fatal_message_box(inst
->window
, msg
);
127 if (inst
->cfg
.close_on_exit
== FORCE_ON
)
132 * Default settings that are specific to pterm.
134 FontSpec
platform_default_fontspec(const char *name
)
137 if (!strcmp(name
, "Font"))
138 strcpy(ret
.name
, "server:fixed");
144 Filename
platform_default_filename(const char *name
)
147 if (!strcmp(name
, "LogFileName"))
148 strcpy(ret
.path
, "putty.log");
154 char *platform_default_s(const char *name
)
156 if (!strcmp(name
, "SerialLine"))
157 return dupstr("/dev/ttyS0");
161 int platform_default_i(const char *name
, int def
)
163 if (!strcmp(name
, "CloseOnExit"))
164 return 2; /* maps to FORCE_ON after painful rearrangement :-( */
165 if (!strcmp(name
, "WinNameAlways"))
166 return 0; /* X natively supports icon titles, so use 'em by default */
170 void ldisc_update(void *frontend
, int echo
, int edit
)
173 * This is a stub in pterm. If I ever produce a Unix
174 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
175 * then it will require some termios manoeuvring analogous to
176 * that in the Windows plink.c, but here it's meaningless.
180 char *get_ttymode(void *frontend
, const char *mode
)
182 struct gui_data
*inst
= (struct gui_data
*)frontend
;
183 return term_get_ttymode(inst
->term
, mode
);
186 int from_backend(void *frontend
, int is_stderr
, const char *data
, int len
)
188 struct gui_data
*inst
= (struct gui_data
*)frontend
;
189 return term_data(inst
->term
, is_stderr
, data
, len
);
192 int from_backend_untrusted(void *frontend
, const char *data
, int len
)
194 struct gui_data
*inst
= (struct gui_data
*)frontend
;
195 return term_data_untrusted(inst
->term
, data
, len
);
198 int get_userpass_input(prompts_t
*p
, unsigned char *in
, int inlen
)
200 struct gui_data
*inst
= (struct gui_data
*)p
->frontend
;
202 ret
= cmdline_get_passwd_input(p
, in
, inlen
);
204 ret
= term_get_userpass_input(inst
->term
, p
, in
, inlen
);
208 void logevent(void *frontend
, const char *string
)
210 struct gui_data
*inst
= (struct gui_data
*)frontend
;
212 log_eventlog(inst
->logctx
, string
);
214 logevent_dlg(inst
->eventlogstuff
, string
);
217 int font_dimension(void *frontend
, int which
)/* 0 for width, 1 for height */
219 struct gui_data
*inst
= (struct gui_data
*)frontend
;
222 return inst
->font_height
;
224 return inst
->font_width
;
228 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
229 * into a cooked one (SELECT, EXTEND, PASTE).
231 * In Unix, this is not configurable; the X button arrangement is
232 * rock-solid across all applications, everyone has a three-button
233 * mouse or a means of faking it, and there is no need to switch
234 * buttons around at all.
236 static Mouse_Button
translate_button(Mouse_Button button
)
238 /* struct gui_data *inst = (struct gui_data *)frontend; */
240 if (button
== MBT_LEFT
)
242 if (button
== MBT_MIDDLE
)
244 if (button
== MBT_RIGHT
)
246 return 0; /* shouldn't happen */
250 * Return the top-level GtkWindow associated with a particular
251 * front end instance.
253 void *get_window(void *frontend
)
255 struct gui_data
*inst
= (struct gui_data
*)frontend
;
260 * Minimise or restore the window in response to a server-side
263 void set_iconic(void *frontend
, int iconic
)
266 * GTK 1.2 doesn't know how to do this.
268 #if GTK_CHECK_VERSION(2,0,0)
269 struct gui_data
*inst
= (struct gui_data
*)frontend
;
271 gtk_window_iconify(GTK_WINDOW(inst
->window
));
273 gtk_window_deiconify(GTK_WINDOW(inst
->window
));
278 * Move the window in response to a server-side request.
280 void move_window(void *frontend
, int x
, int y
)
282 struct gui_data
*inst
= (struct gui_data
*)frontend
;
284 * I assume that when the GTK version of this call is available
285 * we should use it. Not sure how it differs from the GDK one,
288 #if GTK_CHECK_VERSION(2,0,0)
289 gtk_window_move(GTK_WINDOW(inst
->window
), x
, y
);
291 gdk_window_move(inst
->window
->window
, x
, y
);
296 * Move the window to the top or bottom of the z-order in response
297 * to a server-side request.
299 void set_zorder(void *frontend
, int top
)
301 struct gui_data
*inst
= (struct gui_data
*)frontend
;
303 gdk_window_raise(inst
->window
->window
);
305 gdk_window_lower(inst
->window
->window
);
309 * Refresh the window in response to a server-side request.
311 void refresh_window(void *frontend
)
313 struct gui_data
*inst
= (struct gui_data
*)frontend
;
314 term_invalidate(inst
->term
);
318 * Maximise or restore the window in response to a server-side
321 void set_zoomed(void *frontend
, int zoomed
)
324 * GTK 1.2 doesn't know how to do this.
326 #if GTK_CHECK_VERSION(2,0,0)
327 struct gui_data
*inst
= (struct gui_data
*)frontend
;
329 gtk_window_maximize(GTK_WINDOW(inst
->window
));
331 gtk_window_unmaximize(GTK_WINDOW(inst
->window
));
336 * Report whether the window is iconic, for terminal reports.
338 int is_iconic(void *frontend
)
340 struct gui_data
*inst
= (struct gui_data
*)frontend
;
341 return !gdk_window_is_viewable(inst
->window
->window
);
345 * Report the window's position, for terminal reports.
347 void get_window_pos(void *frontend
, int *x
, int *y
)
349 struct gui_data
*inst
= (struct gui_data
*)frontend
;
351 * I assume that when the GTK version of this call is available
352 * we should use it. Not sure how it differs from the GDK one,
355 #if GTK_CHECK_VERSION(2,0,0)
356 gtk_window_get_position(GTK_WINDOW(inst
->window
), x
, y
);
358 gdk_window_get_position(inst
->window
->window
, x
, y
);
363 * Report the window's pixel size, for terminal reports.
365 void get_window_pixels(void *frontend
, int *x
, int *y
)
367 struct gui_data
*inst
= (struct gui_data
*)frontend
;
369 * I assume that when the GTK version of this call is available
370 * we should use it. Not sure how it differs from the GDK one,
373 #if GTK_CHECK_VERSION(2,0,0)
374 gtk_window_get_size(GTK_WINDOW(inst
->window
), x
, y
);
376 gdk_window_get_size(inst
->window
->window
, x
, y
);
381 * Return the window or icon title.
383 char *get_window_title(void *frontend
, int icon
)
385 struct gui_data
*inst
= (struct gui_data
*)frontend
;
386 return icon ? inst
->icontitle
: inst
->wintitle
;
389 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
391 struct gui_data
*inst
= (struct gui_data
*)data
;
392 if (!inst
->exited
&& inst
->cfg
.warn_on_close
) {
393 if (!reallyclose(inst
))
399 static void update_mouseptr(struct gui_data
*inst
)
401 switch (inst
->busy_status
) {
403 if (!inst
->mouseptr_visible
) {
404 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
405 } else if (send_raw_mouse
) {
406 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
408 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
411 case BUSY_WAITING
: /* XXX can we do better? */
413 /* We always display these cursors. */
414 gdk_window_set_cursor(inst
->area
->window
, inst
->waitcursor
);
421 static void show_mouseptr(struct gui_data
*inst
, int show
)
423 if (!inst
->cfg
.hide_mouseptr
)
425 inst
->mouseptr_visible
= show
;
426 update_mouseptr(inst
);
429 void draw_backing_rect(struct gui_data
*inst
)
431 GdkGC
*gc
= gdk_gc_new(inst
->area
->window
);
432 gdk_gc_set_foreground(gc
, &inst
->cols
[258]); /* default background */
433 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
434 inst
->cfg
.width
* inst
->font_width
+ 2*inst
->cfg
.window_border
,
435 inst
->cfg
.height
* inst
->font_height
+ 2*inst
->cfg
.window_border
);
439 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
441 struct gui_data
*inst
= (struct gui_data
*)data
;
442 int w
, h
, need_size
= 0;
445 * See if the terminal size has changed, in which case we must
446 * let the terminal know.
448 w
= (event
->width
- 2*inst
->cfg
.window_border
) / inst
->font_width
;
449 h
= (event
->height
- 2*inst
->cfg
.window_border
) / inst
->font_height
;
450 if (w
!= inst
->width
|| h
!= inst
->height
) {
451 inst
->cfg
.width
= inst
->width
= w
;
452 inst
->cfg
.height
= inst
->height
= h
;
457 gdk_pixmap_unref(inst
->pixmap
);
461 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
462 (inst
->cfg
.width
* inst
->font_width
+
463 2*inst
->cfg
.window_border
),
464 (inst
->cfg
.height
* inst
->font_height
+
465 2*inst
->cfg
.window_border
), -1);
467 draw_backing_rect(inst
);
469 if (need_size
&& inst
->term
) {
470 term_size(inst
->term
, h
, w
, inst
->cfg
.savelines
);
474 term_invalidate(inst
->term
);
479 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
481 struct gui_data
*inst
= (struct gui_data
*)data
;
484 * Pass the exposed rectangle to terminal.c, which will call us
485 * back to do the actual painting.
488 gdk_draw_pixmap(widget
->window
,
489 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
491 event
->area
.x
, event
->area
.y
,
492 event
->area
.x
, event
->area
.y
,
493 event
->area
.width
, event
->area
.height
);
498 #define KEY_PRESSED(k) \
499 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
501 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
503 struct gui_data
*inst
= (struct gui_data
*)data
;
505 wchar_t ucsoutput
[2];
506 int ucsval
, start
, end
, special
, output_charset
, use_ucsoutput
;
508 /* Remember the timestamp. */
509 inst
->input_event_time
= event
->time
;
511 /* By default, nothing is generated. */
513 special
= use_ucsoutput
= FALSE
;
514 output_charset
= CS_ISO8859_1
;
517 * If Alt is being released after typing an Alt+numberpad
518 * sequence, we should generate the code that was typed.
520 * Note that we only do this if more than one key was actually
521 * pressed - I don't think Alt+NumPad4 should be ^D or that
522 * Alt+NumPad3 should be ^C, for example. There's no serious
523 * inconvenience in having to type a zero before a single-digit
526 if (event
->type
== GDK_KEY_RELEASE
&&
527 (event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
528 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
) &&
529 inst
->alt_keycode
>= 0 && inst
->alt_digits
> 1) {
531 printf("Alt key up, keycode = %d\n", inst
->alt_keycode
);
534 * FIXME: we might usefully try to do something clever here
535 * about interpreting the generated key code in a way that's
536 * appropriate to the line code page.
538 output
[0] = inst
->alt_keycode
;
543 if (event
->type
== GDK_KEY_PRESS
) {
547 printf("keypress: keyval = %04x, state = %08x; string =",
548 event
->keyval
, event
->state
);
549 for (i
= 0; event
->string
[i
]; i
++)
550 printf(" %02x", (unsigned char) event
->string
[i
]);
556 * NYI: Compose key (!!! requires Unicode faff before even trying)
560 * If Alt has just been pressed, we start potentially
561 * accumulating an Alt+numberpad code. We do this by
562 * setting alt_keycode to -1 (nothing yet but plausible).
564 if ((event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
565 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
)) {
566 inst
->alt_keycode
= -1;
567 inst
->alt_digits
= 0;
568 goto done
; /* this generates nothing else */
572 * If we're seeing a numberpad key press with Mod1 down,
573 * consider adding it to alt_keycode if that's sensible.
574 * Anything _else_ with Mod1 down cancels any possibility
575 * of an ALT keycode: we set alt_keycode to -2.
577 if ((event
->state
& GDK_MOD1_MASK
) && inst
->alt_keycode
!= -2) {
579 switch (event
->keyval
) {
580 case GDK_KP_0
: case GDK_KP_Insert
: digit
= 0; break;
581 case GDK_KP_1
: case GDK_KP_End
: digit
= 1; break;
582 case GDK_KP_2
: case GDK_KP_Down
: digit
= 2; break;
583 case GDK_KP_3
: case GDK_KP_Page_Down
: digit
= 3; break;
584 case GDK_KP_4
: case GDK_KP_Left
: digit
= 4; break;
585 case GDK_KP_5
: case GDK_KP_Begin
: digit
= 5; break;
586 case GDK_KP_6
: case GDK_KP_Right
: digit
= 6; break;
587 case GDK_KP_7
: case GDK_KP_Home
: digit
= 7; break;
588 case GDK_KP_8
: case GDK_KP_Up
: digit
= 8; break;
589 case GDK_KP_9
: case GDK_KP_Page_Up
: digit
= 9; break;
592 inst
->alt_keycode
= -2; /* it's invalid */
595 printf("Adding digit %d to keycode %d", digit
,
598 if (inst
->alt_keycode
== -1)
599 inst
->alt_keycode
= digit
; /* one-digit code */
601 inst
->alt_keycode
= inst
->alt_keycode
* 10 + digit
;
604 printf(" gives new code %d\n", inst
->alt_keycode
);
606 /* Having used this digit, we now do nothing more with it. */
612 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
615 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
616 term_scroll(inst
->term
, 0, -inst
->cfg
.height
/2);
619 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_CONTROL_MASK
)) {
620 term_scroll(inst
->term
, 0, -1);
623 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
624 term_scroll(inst
->term
, 0, +inst
->cfg
.height
/2);
627 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_CONTROL_MASK
)) {
628 term_scroll(inst
->term
, 0, +1);
633 * Neither does Shift-Ins.
635 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
641 use_ucsoutput
= FALSE
;
643 /* ALT+things gives leading Escape. */
645 #if !GTK_CHECK_VERSION(2,0,0)
647 * In vanilla X, and hence also GDK 1.2, the string received
648 * as part of a keyboard event is assumed to be in
649 * ISO-8859-1. (Seems woefully shortsighted in i18n terms,
650 * but it's true: see the man page for XLookupString(3) for
653 output_charset
= CS_ISO8859_1
;
654 strncpy(output
+1, event
->string
, lenof(output
)-1);
657 * GDK 2.0 arranges to have done some translation for us: in
658 * GDK 2.0, event->string is encoded in the current locale.
660 * (However, it's also deprecated; we really ought to be
661 * using a GTKIMContext.)
663 * So we use the standard C library function mbstowcs() to
664 * convert from the current locale into Unicode; from there
665 * we can convert to whatever PuTTY is currently working in.
666 * (In fact I convert straight back to UTF-8 from
667 * wide-character Unicode, for the sake of simplicity: that
668 * way we can still use exactly the same code to manipulate
669 * the string, such as prefixing ESC.)
671 output_charset
= CS_UTF8
;
673 wchar_t widedata
[32], *wp
;
677 wlen
= mb_to_wc(DEFAULT_CODEPAGE
, 0,
678 event
->string
, strlen(event
->string
),
679 widedata
, lenof(widedata
)-1);
682 ulen
= charset_from_unicode(&wp
, &wlen
, output
+1, lenof(output
)-2,
683 CS_UTF8
, NULL
, NULL
, 0);
684 output
[1+ulen
] = '\0';
689 (ucsval
= keysym_to_unicode(event
->keyval
)) >= 0) {
690 ucsoutput
[0] = '\033';
691 ucsoutput
[1] = ucsval
;
692 use_ucsoutput
= TRUE
;
695 output
[lenof(output
)-1] = '\0';
696 end
= strlen(output
);
698 if (event
->state
& GDK_MOD1_MASK
) {
700 if (end
== 1) end
= 0;
704 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
705 if (!output
[1] && event
->keyval
== '`' &&
706 (event
->state
& GDK_CONTROL_MASK
)) {
708 use_ucsoutput
= FALSE
;
712 /* Control-Break sends a Break special to the backend */
713 if (event
->keyval
== GDK_Break
&&
714 (event
->state
& GDK_CONTROL_MASK
)) {
716 inst
->back
->special(inst
->backhandle
, TS_BRK
);
720 /* We handle Return ourselves, because it needs to be flagged as
721 * special to ldisc. */
722 if (event
->keyval
== GDK_Return
) {
724 use_ucsoutput
= FALSE
;
729 /* Control-2, Control-Space and Control-@ are NUL */
731 (event
->keyval
== ' ' || event
->keyval
== '2' ||
732 event
->keyval
== '@') &&
733 (event
->state
& (GDK_SHIFT_MASK
|
734 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
736 use_ucsoutput
= FALSE
;
740 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
741 if (!output
[1] && event
->keyval
== ' ' &&
742 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
743 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
745 output_charset
= CS_ISO8859_1
;
746 use_ucsoutput
= FALSE
;
750 /* We don't let GTK tell us what Backspace is! We know better. */
751 if (event
->keyval
== GDK_BackSpace
&&
752 !(event
->state
& GDK_SHIFT_MASK
)) {
753 output
[1] = inst
->cfg
.bksp_is_delete ?
'\x7F' : '\x08';
754 use_ucsoutput
= FALSE
;
758 /* For Shift Backspace, do opposite of what is configured. */
759 if (event
->keyval
== GDK_BackSpace
&&
760 (event
->state
& GDK_SHIFT_MASK
)) {
761 output
[1] = inst
->cfg
.bksp_is_delete ?
'\x08' : '\x7F';
762 use_ucsoutput
= FALSE
;
767 /* Shift-Tab is ESC [ Z */
768 if (event
->keyval
== GDK_ISO_Left_Tab
||
769 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
770 end
= 1 + sprintf(output
+1, "\033[Z");
771 use_ucsoutput
= FALSE
;
773 /* And normal Tab is Tab, if the keymap hasn't already told us.
774 * (Curiously, at least one version of the MacOS 10.5 X server
775 * doesn't translate Tab for us. */
776 if (event
->keyval
== GDK_Tab
&& end
<= 1) {
782 * NetHack keypad mode.
784 if (inst
->cfg
.nethack_keypad
) {
786 switch (event
->keyval
) {
787 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB\002"; break;
788 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ\012"; break;
789 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN\016"; break;
790 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH\010"; break;
791 case GDK_KP_5
: case GDK_KP_Begin
: keys
= "..."; break;
792 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL\014"; break;
793 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY\031"; break;
794 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK\013"; break;
795 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU\025"; break;
799 if (event
->state
& GDK_CONTROL_MASK
)
801 else if (event
->state
& GDK_SHIFT_MASK
)
805 use_ucsoutput
= FALSE
;
811 * Application keypad mode.
813 if (inst
->term
->app_keypad_keys
&& !inst
->cfg
.no_applic_k
) {
815 switch (event
->keyval
) {
816 case GDK_Num_Lock
: xkey
= 'P'; break;
817 case GDK_KP_Divide
: xkey
= 'Q'; break;
818 case GDK_KP_Multiply
: xkey
= 'R'; break;
819 case GDK_KP_Subtract
: xkey
= 'S'; break;
821 * Keypad + is tricky. It covers a space that would
822 * be taken up on the VT100 by _two_ keys; so we
823 * let Shift select between the two. Worse still,
824 * in xterm function key mode we change which two...
827 if (inst
->cfg
.funky_type
== FUNKY_XTERM
) {
828 if (event
->state
& GDK_SHIFT_MASK
)
832 } else if (event
->state
& GDK_SHIFT_MASK
)
837 case GDK_KP_Enter
: xkey
= 'M'; break;
838 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
839 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
840 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
841 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
842 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
843 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
844 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
845 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
846 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
847 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
848 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
851 if (inst
->term
->vt52_mode
) {
852 if (xkey
>= 'P' && xkey
<= 'S')
853 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
855 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
857 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
858 use_ucsoutput
= FALSE
;
864 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
865 * for integer decimal nn.)
867 * We also deal with the weird ones here. Linux VCs replace F1
868 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
869 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
874 switch (event
->keyval
) {
876 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
879 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
882 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
885 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
888 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
891 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
894 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
897 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
900 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
903 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
936 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
937 case GDK_Home
: case GDK_KP_Home
:
940 case GDK_Insert
: case GDK_KP_Insert
:
943 case GDK_Delete
: case GDK_KP_Delete
:
946 case GDK_End
: case GDK_KP_End
:
949 case GDK_Page_Up
: case GDK_KP_Page_Up
:
952 case GDK_Page_Down
: case GDK_KP_Page_Down
:
956 /* Reorder edit keys to physical order */
957 if (inst
->cfg
.funky_type
== FUNKY_VT400
&& code
<= 6)
958 code
= "\0\2\1\4\5\3\6"[code
];
960 if (inst
->term
->vt52_mode
&& code
> 0 && code
<= 6) {
961 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
962 use_ucsoutput
= FALSE
;
966 if (inst
->cfg
.funky_type
== FUNKY_SCO
&& /* SCO function keys */
967 code
>= 11 && code
<= 34) {
968 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
970 switch (event
->keyval
) {
971 case GDK_F1
: index
= 0; break;
972 case GDK_F2
: index
= 1; break;
973 case GDK_F3
: index
= 2; break;
974 case GDK_F4
: index
= 3; break;
975 case GDK_F5
: index
= 4; break;
976 case GDK_F6
: index
= 5; break;
977 case GDK_F7
: index
= 6; break;
978 case GDK_F8
: index
= 7; break;
979 case GDK_F9
: index
= 8; break;
980 case GDK_F10
: index
= 9; break;
981 case GDK_F11
: index
= 10; break;
982 case GDK_F12
: index
= 11; break;
984 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
985 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
986 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
987 use_ucsoutput
= FALSE
;
990 if (inst
->cfg
.funky_type
== FUNKY_SCO
&& /* SCO small keypad */
991 code
>= 1 && code
<= 6) {
992 char codes
[] = "HL.FIG";
997 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
999 use_ucsoutput
= FALSE
;
1002 if ((inst
->term
->vt52_mode
|| inst
->cfg
.funky_type
== FUNKY_VT100P
) &&
1003 code
>= 11 && code
<= 24) {
1009 if (inst
->term
->vt52_mode
)
1010 end
= 1 + sprintf(output
+1,
1011 "\x1B%c", code
+ 'P' - 11 - offt
);
1013 end
= 1 + sprintf(output
+1,
1014 "\x1BO%c", code
+ 'P' - 11 - offt
);
1015 use_ucsoutput
= FALSE
;
1018 if (inst
->cfg
.funky_type
== FUNKY_LINUX
&& code
>= 11 && code
<= 15) {
1019 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
1020 use_ucsoutput
= FALSE
;
1023 if (inst
->cfg
.funky_type
== FUNKY_XTERM
&& code
>= 11 && code
<= 14) {
1024 if (inst
->term
->vt52_mode
)
1025 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
1027 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
1028 use_ucsoutput
= FALSE
;
1031 if (inst
->cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
1032 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
1033 use_ucsoutput
= FALSE
;
1037 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
1038 use_ucsoutput
= FALSE
;
1044 * Cursor keys. (This includes the numberpad cursor keys,
1045 * if we haven't already done them due to app keypad mode.)
1047 * Here we also process un-numlocked un-appkeypadded KP5,
1048 * which sends ESC [ G.
1052 switch (event
->keyval
) {
1053 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
1054 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
1055 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
1056 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
1057 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
1061 * The arrow keys normally do ESC [ A and so on. In
1062 * app cursor keys mode they do ESC O A instead.
1063 * Ctrl toggles the two modes.
1065 if (inst
->term
->vt52_mode
) {
1066 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
1067 } else if (!inst
->term
->app_cursor_keys
^
1068 !(event
->state
& GDK_CONTROL_MASK
)) {
1069 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
1071 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
1073 use_ucsoutput
= FALSE
;
1082 if (end
-start
> 0) {
1083 #ifdef KEY_DEBUGGING
1085 printf("generating sequence:");
1086 for (i
= start
; i
< end
; i
++)
1087 printf(" %02x", (unsigned char) output
[i
]);
1093 * For special control characters, the character set
1094 * should never matter.
1096 output
[end
] = '\0'; /* NUL-terminate */
1098 ldisc_send(inst
->ldisc
, output
+start
, -2, 1);
1099 } else if (!inst
->direct_to_font
) {
1100 if (!use_ucsoutput
) {
1102 lpage_send(inst
->ldisc
, output_charset
, output
+start
,
1106 * We generated our own Unicode key data from the
1107 * keysym, so use that instead.
1110 luni_send(inst
->ldisc
, ucsoutput
+start
, end
-start
, 1);
1114 * In direct-to-font mode, we just send the string
1115 * exactly as we received it.
1118 ldisc_send(inst
->ldisc
, output
+start
, end
-start
, 1);
1121 show_mouseptr(inst
, 0);
1122 term_seen_key_event(inst
->term
);
1128 gboolean
button_internal(struct gui_data
*inst
, guint32 timestamp
,
1129 GdkEventType type
, guint ebutton
, guint state
,
1130 gdouble ex
, gdouble ey
)
1132 int shift
, ctrl
, alt
, x
, y
, button
, act
;
1134 /* Remember the timestamp. */
1135 inst
->input_event_time
= timestamp
;
1137 show_mouseptr(inst
, 1);
1139 if (ebutton
== 4 && type
== GDK_BUTTON_PRESS
) {
1140 term_scroll(inst
->term
, 0, -5);
1143 if (ebutton
== 5 && type
== GDK_BUTTON_PRESS
) {
1144 term_scroll(inst
->term
, 0, +5);
1148 shift
= state
& GDK_SHIFT_MASK
;
1149 ctrl
= state
& GDK_CONTROL_MASK
;
1150 alt
= state
& GDK_MOD1_MASK
;
1152 if (ebutton
== 3 && ctrl
) {
1153 gtk_menu_popup(GTK_MENU(inst
->menu
), NULL
, NULL
, NULL
, NULL
,
1154 ebutton
, timestamp
);
1160 else if (ebutton
== 2)
1161 button
= MBT_MIDDLE
;
1162 else if (ebutton
== 3)
1165 return FALSE
; /* don't even know what button! */
1168 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
1169 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
1170 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
1171 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
1172 default: return FALSE
; /* don't know this event type */
1175 if (send_raw_mouse
&& !(inst
->cfg
.mouse_override
&& shift
) &&
1176 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
1177 return TRUE
; /* we ignore these in raw mouse mode */
1179 x
= (ex
- inst
->cfg
.window_border
) / inst
->font_width
;
1180 y
= (ey
- inst
->cfg
.window_border
) / inst
->font_height
;
1182 term_mouse(inst
->term
, button
, translate_button(button
), act
,
1183 x
, y
, shift
, ctrl
, alt
);
1188 gboolean
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
1190 struct gui_data
*inst
= (struct gui_data
*)data
;
1191 return button_internal(inst
, event
->time
, event
->type
, event
->button
,
1192 event
->state
, event
->x
, event
->y
);
1195 #if GTK_CHECK_VERSION(2,0,0)
1197 * In GTK 2, mouse wheel events have become a new type of event.
1198 * This handler translates them back into button-4 and button-5
1199 * presses so that I don't have to change my old code too much :-)
1201 gboolean
scroll_event(GtkWidget
*widget
, GdkEventScroll
*event
, gpointer data
)
1203 struct gui_data
*inst
= (struct gui_data
*)data
;
1206 if (event
->direction
== GDK_SCROLL_UP
)
1208 else if (event
->direction
== GDK_SCROLL_DOWN
)
1213 return button_internal(inst
, event
->time
, GDK_BUTTON_PRESS
,
1214 button
, event
->state
, event
->x
, event
->y
);
1218 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
1220 struct gui_data
*inst
= (struct gui_data
*)data
;
1221 int shift
, ctrl
, alt
, x
, y
, button
;
1223 /* Remember the timestamp. */
1224 inst
->input_event_time
= event
->time
;
1226 show_mouseptr(inst
, 1);
1228 shift
= event
->state
& GDK_SHIFT_MASK
;
1229 ctrl
= event
->state
& GDK_CONTROL_MASK
;
1230 alt
= event
->state
& GDK_MOD1_MASK
;
1231 if (event
->state
& GDK_BUTTON1_MASK
)
1233 else if (event
->state
& GDK_BUTTON2_MASK
)
1234 button
= MBT_MIDDLE
;
1235 else if (event
->state
& GDK_BUTTON3_MASK
)
1238 return FALSE
; /* don't even know what button! */
1240 x
= (event
->x
- inst
->cfg
.window_border
) / inst
->font_width
;
1241 y
= (event
->y
- inst
->cfg
.window_border
) / inst
->font_height
;
1243 term_mouse(inst
->term
, button
, translate_button(button
), MA_DRAG
,
1244 x
, y
, shift
, ctrl
, alt
);
1249 void frontend_keypress(void *handle
)
1251 struct gui_data
*inst
= (struct gui_data
*)handle
;
1254 * If our child process has exited but not closed, terminate on
1261 static gint
idle_exit_func(gpointer data
)
1263 struct gui_data
*inst
= (struct gui_data
*)data
;
1266 if (!inst
->exited
&&
1267 (exitcode
= inst
->back
->exitcode(inst
->backhandle
)) >= 0) {
1268 inst
->exited
= TRUE
;
1269 if (inst
->cfg
.close_on_exit
== FORCE_ON
||
1270 (inst
->cfg
.close_on_exit
== AUTO
&& exitcode
== 0))
1271 gtk_main_quit(); /* just go */
1273 ldisc_free(inst
->ldisc
);
1277 inst
->back
->free(inst
->backhandle
);
1278 inst
->backhandle
= NULL
;
1280 term_provide_resize_fn(inst
->term
, NULL
, NULL
);
1281 update_specials_menu(inst
);
1283 gtk_widget_show(inst
->restartitem
);
1286 gtk_idle_remove(inst
->term_exit_idle_id
);
1290 void notify_remote_exit(void *frontend
)
1292 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1294 inst
->term_exit_idle_id
= gtk_idle_add(idle_exit_func
, inst
);
1297 static gint
timer_trigger(gpointer data
)
1299 long now
= GPOINTER_TO_INT(data
);
1303 if (run_timers(now
, &next
)) {
1304 ticks
= next
- GETTICKCOUNT();
1305 timer_id
= gtk_timeout_add(ticks
> 0 ? ticks
: 1, timer_trigger
,
1306 GINT_TO_POINTER(next
));
1310 * Never let a timer resume. If we need another one, we've
1311 * asked for it explicitly above.
1316 void timer_change_notify(long next
)
1321 gtk_timeout_remove(timer_id
);
1323 ticks
= next
- GETTICKCOUNT();
1325 ticks
= 1; /* just in case */
1327 timer_id
= gtk_timeout_add(ticks
, timer_trigger
,
1328 GINT_TO_POINTER(next
));
1331 void fd_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
1334 * We must process exceptional notifications before ordinary
1335 * readability ones, or we may go straight past the urgent
1338 if (condition
& GDK_INPUT_EXCEPTION
)
1339 select_result(sourcefd
, 4);
1340 if (condition
& GDK_INPUT_READ
)
1341 select_result(sourcefd
, 1);
1342 if (condition
& GDK_INPUT_WRITE
)
1343 select_result(sourcefd
, 2);
1346 void destroy(GtkWidget
*widget
, gpointer data
)
1351 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
1353 struct gui_data
*inst
= (struct gui_data
*)data
;
1354 term_set_focus(inst
->term
, event
->in
);
1355 term_update(inst
->term
);
1356 show_mouseptr(inst
, 1);
1360 void set_busy_status(void *frontend
, int status
)
1362 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1363 inst
->busy_status
= status
;
1364 update_mouseptr(inst
);
1368 * set or clear the "raw mouse message" mode
1370 void set_raw_mouse_mode(void *frontend
, int activate
)
1372 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1373 activate
= activate
&& !inst
->cfg
.no_mouse_rep
;
1374 send_raw_mouse
= activate
;
1375 update_mouseptr(inst
);
1378 void request_resize(void *frontend
, int w
, int h
)
1380 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1381 int large_x
, large_y
;
1382 int offset_x
, offset_y
;
1384 GtkRequisition inner
, outer
;
1387 * This is a heinous hack dreamed up by the gnome-terminal
1388 * people to get around a limitation in gtk. The problem is
1389 * that in order to set the size correctly we really need to be
1390 * calling gtk_window_resize - but that needs to know the size
1391 * of the _whole window_, not the drawing area. So what we do
1392 * is to set an artificially huge size request on the drawing
1393 * area, recompute the resulting size request on the window,
1394 * and look at the difference between the two. That gives us
1395 * the x and y offsets we need to translate drawing area size
1396 * into window size for real, and then we call
1397 * gtk_window_resize.
1401 * We start by retrieving the current size of the whole window.
1402 * Adding a bit to _that_ will give us a value we can use as a
1403 * bogus size request which guarantees to be bigger than the
1404 * current size of the drawing area.
1406 get_window_pixels(inst
, &large_x
, &large_y
);
1410 #if GTK_CHECK_VERSION(2,0,0)
1411 gtk_widget_set_size_request(inst
->area
, large_x
, large_y
);
1413 gtk_widget_set_usize(inst
->area
, large_x
, large_y
);
1415 gtk_widget_size_request(inst
->area
, &inner
);
1416 gtk_widget_size_request(inst
->window
, &outer
);
1418 offset_x
= outer
.width
- inner
.width
;
1419 offset_y
= outer
.height
- inner
.height
;
1421 area_x
= inst
->font_width
* w
+ 2*inst
->cfg
.window_border
;
1422 area_y
= inst
->font_height
* h
+ 2*inst
->cfg
.window_border
;
1425 * Now we must set the size request on the drawing area back to
1426 * something sensible before we commit the real resize. Best
1427 * way to do this, I think, is to set it to what the size is
1428 * really going to end up being.
1430 #if GTK_CHECK_VERSION(2,0,0)
1431 gtk_widget_set_size_request(inst
->area
, area_x
, area_y
);
1432 gtk_window_resize(GTK_WINDOW(inst
->window
),
1433 area_x
+ offset_x
, area_y
+ offset_y
);
1435 gtk_widget_set_usize(inst
->area
, area_x
, area_y
);
1436 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
), area_x
, area_y
);
1438 * I can no longer remember what this call to
1439 * gtk_container_dequeue_resize_handler is for. It was
1440 * introduced in r3092 with no comment, and the commit log
1441 * message was uninformative. I'm _guessing_ its purpose is to
1442 * prevent gratuitous resize processing on the window given
1443 * that we're about to resize it anyway, but I have no idea
1444 * why that's so incredibly vital.
1446 * I've tried removing the call, and nothing seems to go
1447 * wrong. I've backtracked to r3092 and tried removing the
1448 * call there, and still nothing goes wrong. So I'm going to
1449 * adopt the working hypothesis that it's superfluous; I won't
1450 * actually remove it from the GTK 1.2 code, but I won't
1451 * attempt to replicate its functionality in the GTK 2 code
1454 gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst
->window
));
1455 gdk_window_resize(inst
->window
->window
,
1456 area_x
+ offset_x
, area_y
+ offset_y
);
1460 static void real_palette_set(struct gui_data
*inst
, int n
, int r
, int g
, int b
)
1462 gboolean success
[1];
1464 inst
->cols
[n
].red
= r
* 0x0101;
1465 inst
->cols
[n
].green
= g
* 0x0101;
1466 inst
->cols
[n
].blue
= b
* 0x0101;
1468 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
+ n
, 1);
1469 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
1470 FALSE
, TRUE
, success
);
1472 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname
,
1476 void set_window_background(struct gui_data
*inst
)
1478 if (inst
->area
&& inst
->area
->window
)
1479 gdk_window_set_background(inst
->area
->window
, &inst
->cols
[258]);
1480 if (inst
->window
&& inst
->window
->window
)
1481 gdk_window_set_background(inst
->window
->window
, &inst
->cols
[258]);
1484 void palette_set(void *frontend
, int n
, int r
, int g
, int b
)
1486 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1489 if (n
> NALLCOLOURS
)
1491 real_palette_set(inst
, n
, r
, g
, b
);
1493 /* Default Background changed. Ensure space between text area and
1494 * window border is redrawn */
1495 set_window_background(inst
);
1496 draw_backing_rect(inst
);
1497 gtk_widget_queue_draw(inst
->area
);
1501 void palette_reset(void *frontend
)
1503 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1504 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1505 static const int ww
[] = {
1506 256, 257, 258, 259, 260, 261,
1507 0, 8, 1, 9, 2, 10, 3, 11,
1508 4, 12, 5, 13, 6, 14, 7, 15
1510 gboolean success
[NALLCOLOURS
];
1513 assert(lenof(ww
) == NCFGCOLOURS
);
1515 if (!inst
->colmap
) {
1516 inst
->colmap
= gdk_colormap_get_system();
1518 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NALLCOLOURS
);
1521 for (i
= 0; i
< NCFGCOLOURS
; i
++) {
1522 inst
->cols
[ww
[i
]].red
= inst
->cfg
.colours
[i
][0] * 0x0101;
1523 inst
->cols
[ww
[i
]].green
= inst
->cfg
.colours
[i
][1] * 0x0101;
1524 inst
->cols
[ww
[i
]].blue
= inst
->cfg
.colours
[i
][2] * 0x0101;
1527 for (i
= 0; i
< NEXTCOLOURS
; i
++) {
1529 int r
= i
/ 36, g
= (i
/ 6) % 6, b
= i
% 6;
1530 inst
->cols
[i
+16].red
= r ? r
* 0x2828 + 0x3737 : 0;
1531 inst
->cols
[i
+16].green
= g ? g
* 0x2828 + 0x3737 : 0;
1532 inst
->cols
[i
+16].blue
= b ? b
* 0x2828 + 0x3737 : 0;
1534 int shade
= i
- 216;
1535 shade
= shade
* 0x0a0a + 0x0808;
1536 inst
->cols
[i
+16].red
= inst
->cols
[i
+16].green
=
1537 inst
->cols
[i
+16].blue
= shade
;
1541 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NALLCOLOURS
,
1542 FALSE
, TRUE
, success
);
1543 for (i
= 0; i
< NALLCOLOURS
; i
++) {
1545 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
1546 appname
, i
, inst
->cfg
.colours
[i
][0],
1547 inst
->cfg
.colours
[i
][1], inst
->cfg
.colours
[i
][2]);
1550 /* Since Default Background may have changed, ensure that space
1551 * between text area and window border is refreshed. */
1552 set_window_background(inst
);
1553 if (inst
->area
&& inst
->area
->window
) {
1554 draw_backing_rect(inst
);
1555 gtk_widget_queue_draw(inst
->area
);
1559 /* Ensure that all the cut buffers exist - according to the ICCCM, we must
1560 * do this before we start using cut buffers.
1562 void init_cutbuffers()
1564 unsigned char empty
[] = "";
1565 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1566 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1567 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1568 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1569 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1570 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1571 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1572 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1573 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1574 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1575 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1576 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1577 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1578 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1579 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1580 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1583 /* Store the data in a cut-buffer. */
1584 void store_cutbuffer(char * ptr
, int len
)
1586 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1587 XRotateBuffers(GDK_DISPLAY(), 1);
1588 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
1591 /* Retrieve data from a cut-buffer.
1592 * Returned data needs to be freed with XFree().
1594 char * retrieve_cutbuffer(int * nbytes
)
1597 ptr
= XFetchBytes(GDK_DISPLAY(), nbytes
);
1598 if (*nbytes
<= 0 && ptr
!= 0) {
1605 void write_clip(void *frontend
, wchar_t * data
, int *attr
, int len
, int must_deselect
)
1607 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1608 if (inst
->pasteout_data
)
1609 sfree(inst
->pasteout_data
);
1610 if (inst
->pasteout_data_ctext
)
1611 sfree(inst
->pasteout_data_ctext
);
1612 if (inst
->pasteout_data_utf8
)
1613 sfree(inst
->pasteout_data_utf8
);
1616 * Set up UTF-8 and compound text paste data. This only happens
1617 * if we aren't in direct-to-font mode using the D800 hack.
1619 if (!inst
->direct_to_font
) {
1620 wchar_t *tmp
= data
;
1625 inst
->pasteout_data_utf8
= snewn(len
*6, char);
1626 inst
->pasteout_data_utf8_len
= len
*6;
1627 inst
->pasteout_data_utf8_len
=
1628 charset_from_unicode(&tmp
, &tmplen
, inst
->pasteout_data_utf8
,
1629 inst
->pasteout_data_utf8_len
,
1630 CS_UTF8
, NULL
, NULL
, 0);
1631 if (inst
->pasteout_data_utf8_len
== 0) {
1632 sfree(inst
->pasteout_data_utf8
);
1633 inst
->pasteout_data_utf8
= NULL
;
1635 inst
->pasteout_data_utf8
=
1636 sresize(inst
->pasteout_data_utf8
,
1637 inst
->pasteout_data_utf8_len
+ 1, char);
1638 inst
->pasteout_data_utf8
[inst
->pasteout_data_utf8_len
] = '\0';
1642 * Now let Xlib convert our UTF-8 data into compound text.
1644 list
[0] = inst
->pasteout_data_utf8
;
1645 if (Xutf8TextListToTextProperty(GDK_DISPLAY(), list
, 1,
1646 XCompoundTextStyle
, &tp
) == 0) {
1647 inst
->pasteout_data_ctext
= snewn(tp
.nitems
+1, char);
1648 memcpy(inst
->pasteout_data_ctext
, tp
.value
, tp
.nitems
);
1649 inst
->pasteout_data_ctext_len
= tp
.nitems
;
1652 inst
->pasteout_data_ctext
= NULL
;
1653 inst
->pasteout_data_ctext_len
= 0;
1656 inst
->pasteout_data_utf8
= NULL
;
1657 inst
->pasteout_data_utf8_len
= 0;
1658 inst
->pasteout_data_ctext
= NULL
;
1659 inst
->pasteout_data_ctext_len
= 0;
1662 inst
->pasteout_data
= snewn(len
*6, char);
1663 inst
->pasteout_data_len
= len
*6;
1664 inst
->pasteout_data_len
= wc_to_mb(inst
->ucsdata
.line_codepage
, 0,
1665 data
, len
, inst
->pasteout_data
,
1666 inst
->pasteout_data_len
,
1668 if (inst
->pasteout_data_len
== 0) {
1669 sfree(inst
->pasteout_data
);
1670 inst
->pasteout_data
= NULL
;
1672 inst
->pasteout_data
=
1673 sresize(inst
->pasteout_data
, inst
->pasteout_data_len
, char);
1676 store_cutbuffer(inst
->pasteout_data
, inst
->pasteout_data_len
);
1678 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
1679 inst
->input_event_time
)) {
1680 #if GTK_CHECK_VERSION(2,0,0)
1681 gtk_selection_clear_targets(inst
->area
, GDK_SELECTION_PRIMARY
);
1683 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1684 GDK_SELECTION_TYPE_STRING
, 1);
1685 if (inst
->pasteout_data_ctext
)
1686 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1687 compound_text_atom
, 1);
1688 if (inst
->pasteout_data_utf8
)
1689 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1690 utf8_string_atom
, 1);
1694 term_deselect(inst
->term
);
1697 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1698 guint info
, guint time_stamp
, gpointer data
)
1700 struct gui_data
*inst
= (struct gui_data
*)data
;
1701 if (seldata
->target
== utf8_string_atom
)
1702 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1703 (unsigned char *)inst
->pasteout_data_utf8
,
1704 inst
->pasteout_data_utf8_len
);
1705 else if (seldata
->target
== compound_text_atom
)
1706 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1707 (unsigned char *)inst
->pasteout_data_ctext
,
1708 inst
->pasteout_data_ctext_len
);
1710 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1711 (unsigned char *)inst
->pasteout_data
,
1712 inst
->pasteout_data_len
);
1715 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1718 struct gui_data
*inst
= (struct gui_data
*)data
;
1720 term_deselect(inst
->term
);
1721 if (inst
->pasteout_data
)
1722 sfree(inst
->pasteout_data
);
1723 if (inst
->pasteout_data_ctext
)
1724 sfree(inst
->pasteout_data_ctext
);
1725 if (inst
->pasteout_data_utf8
)
1726 sfree(inst
->pasteout_data_utf8
);
1727 inst
->pasteout_data
= NULL
;
1728 inst
->pasteout_data_len
= 0;
1729 inst
->pasteout_data_ctext
= NULL
;
1730 inst
->pasteout_data_ctext_len
= 0;
1731 inst
->pasteout_data_utf8
= NULL
;
1732 inst
->pasteout_data_utf8_len
= 0;
1736 void request_paste(void *frontend
)
1738 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1740 * In Unix, pasting is asynchronous: all we can do at the
1741 * moment is to call gtk_selection_convert(), and when the data
1742 * comes back _then_ we can call term_do_paste().
1745 if (!inst
->direct_to_font
) {
1747 * First we attempt to retrieve the selection as a UTF-8
1748 * string (which we will convert to the correct code page
1749 * before sending to the session, of course). If that
1750 * fails, selection_received() will be informed and will
1751 * fall back to an ordinary string.
1753 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1755 inst
->input_event_time
);
1758 * If we're in direct-to-font mode, we disable UTF-8
1759 * pasting, and go straight to ordinary string data.
1761 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1762 GDK_SELECTION_TYPE_STRING
,
1763 inst
->input_event_time
);
1767 gint
idle_paste_func(gpointer data
); /* forward ref */
1769 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1770 guint time
, gpointer data
)
1772 struct gui_data
*inst
= (struct gui_data
*)data
;
1776 int length
, count
, ret
;
1777 int free_list_required
= 0;
1778 int free_required
= 0;
1781 if (seldata
->target
== utf8_string_atom
&& seldata
->length
<= 0) {
1783 * Failed to get a UTF-8 selection string. Try compound
1786 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1788 inst
->input_event_time
);
1792 if (seldata
->target
== compound_text_atom
&& seldata
->length
<= 0) {
1794 * Failed to get UTF-8 or compound text. Try an ordinary
1797 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1798 GDK_SELECTION_TYPE_STRING
,
1799 inst
->input_event_time
);
1804 * If we have data, but it's not of a type we can deal with,
1805 * we have to ignore the data.
1807 if (seldata
->length
> 0 &&
1808 seldata
->type
!= GDK_SELECTION_TYPE_STRING
&&
1809 seldata
->type
!= compound_text_atom
&&
1810 seldata
->type
!= utf8_string_atom
)
1814 * If we have no data, try looking in a cut buffer.
1816 if (seldata
->length
<= 0) {
1817 text
= retrieve_cutbuffer(&length
);
1820 /* Xterm is rumoured to expect Latin-1, though I havn't checked the
1821 * source, so use that as a de-facto standard. */
1822 charset
= CS_ISO8859_1
;
1826 * Convert COMPOUND_TEXT into UTF-8.
1828 if (seldata
->type
== compound_text_atom
) {
1829 tp
.value
= seldata
->data
;
1830 tp
.encoding
= (Atom
) seldata
->type
;
1831 tp
.format
= seldata
->format
;
1832 tp
.nitems
= seldata
->length
;
1833 ret
= Xutf8TextPropertyToTextList(GDK_DISPLAY(), &tp
,
1835 if (ret
!= 0 || count
!= 1) {
1837 * Compound text failed; fall back to STRING.
1839 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1840 GDK_SELECTION_TYPE_STRING
,
1841 inst
->input_event_time
);
1845 length
= strlen(list
[0]);
1847 free_list_required
= 1;
1849 text
= (char *)seldata
->data
;
1850 length
= seldata
->length
;
1851 charset
= (seldata
->type
== utf8_string_atom ?
1852 CS_UTF8
: inst
->ucsdata
.line_codepage
);
1856 if (inst
->pastein_data
)
1857 sfree(inst
->pastein_data
);
1859 inst
->pastein_data
= snewn(length
, wchar_t);
1860 inst
->pastein_data_len
= length
;
1861 inst
->pastein_data_len
=
1862 mb_to_wc(charset
, 0, text
, length
,
1863 inst
->pastein_data
, inst
->pastein_data_len
);
1865 term_do_paste(inst
->term
);
1867 if (term_paste_pending(inst
->term
))
1868 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
1870 if (free_list_required
)
1871 XFreeStringList(list
);
1876 gint
idle_paste_func(gpointer data
)
1878 struct gui_data
*inst
= (struct gui_data
*)data
;
1880 if (term_paste_pending(inst
->term
))
1881 term_paste(inst
->term
);
1883 gtk_idle_remove(inst
->term_paste_idle_id
);
1889 void get_clip(void *frontend
, wchar_t ** p
, int *len
)
1891 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1894 *p
= inst
->pastein_data
;
1895 *len
= inst
->pastein_data_len
;
1899 static void set_window_titles(struct gui_data
*inst
)
1902 * We must always call set_icon_name after calling set_title,
1903 * since set_title will write both names. Irritating, but such
1906 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1907 if (!inst
->cfg
.win_name_always
)
1908 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1911 void set_title(void *frontend
, char *title
)
1913 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1914 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1915 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1916 set_window_titles(inst
);
1919 void set_icon(void *frontend
, char *title
)
1921 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1922 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1923 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1924 set_window_titles(inst
);
1927 void set_sbar(void *frontend
, int total
, int start
, int page
)
1929 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1930 if (!inst
->cfg
.scrollbar
)
1932 inst
->sbar_adjust
->lower
= 0;
1933 inst
->sbar_adjust
->upper
= total
;
1934 inst
->sbar_adjust
->value
= start
;
1935 inst
->sbar_adjust
->page_size
= page
;
1936 inst
->sbar_adjust
->step_increment
= 1;
1937 inst
->sbar_adjust
->page_increment
= page
/2;
1938 inst
->ignore_sbar
= TRUE
;
1939 gtk_adjustment_changed(inst
->sbar_adjust
);
1940 inst
->ignore_sbar
= FALSE
;
1943 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1945 struct gui_data
*inst
= (struct gui_data
*)data
;
1947 if (!inst
->cfg
.scrollbar
)
1949 if (!inst
->ignore_sbar
)
1950 term_scroll(inst
->term
, 1, (int)adj
->value
);
1953 void sys_cursor(void *frontend
, int x
, int y
)
1956 * This is meaningless under X.
1961 * This is still called when mode==BELL_VISUAL, even though the
1962 * visual bell is handled entirely within terminal.c, because we
1963 * may want to perform additional actions on any kind of bell (for
1964 * example, taskbar flashing in Windows).
1966 void do_beep(void *frontend
, int mode
)
1968 if (mode
== BELL_DEFAULT
)
1972 int char_width(Context ctx
, int uc
)
1975 * Under X, any fixed-width font really _is_ fixed-width.
1976 * Double-width characters will be dealt with using a separate
1977 * font. For the moment we can simply return 1.
1979 * FIXME: but is that also true of Pango?
1984 Context
get_ctx(void *frontend
)
1986 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1987 struct draw_ctx
*dctx
;
1989 if (!inst
->area
->window
)
1992 dctx
= snew(struct draw_ctx
);
1994 dctx
->gc
= gdk_gc_new(inst
->area
->window
);
1998 void free_ctx(Context ctx
)
2000 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2001 /* struct gui_data *inst = dctx->inst; */
2002 GdkGC
*gc
= dctx
->gc
;
2008 * Draw a line of text in the window, at given character
2009 * coordinates, in given attributes.
2011 * We are allowed to fiddle with the contents of `text'.
2013 void do_text_internal(Context ctx
, int x
, int y
, wchar_t *text
, int len
,
2014 unsigned long attr
, int lattr
)
2016 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2017 struct gui_data
*inst
= dctx
->inst
;
2018 GdkGC
*gc
= dctx
->gc
;
2019 int ncombining
, combining
;
2020 int nfg
, nbg
, t
, fontid
, shadow
, rlen
, widefactor
, bold
;
2021 int monochrome
= gtk_widget_get_visual(inst
->area
)->depth
== 1;
2023 if (attr
& TATTR_COMBINING
) {
2029 nfg
= ((monochrome ? ATTR_DEFFG
: (attr
& ATTR_FGMASK
)) >> ATTR_FGSHIFT
);
2030 nbg
= ((monochrome ? ATTR_DEFBG
: (attr
& ATTR_BGMASK
)) >> ATTR_BGSHIFT
);
2031 if (!!(attr
& ATTR_REVERSE
) ^ (monochrome
&& (attr
& TATTR_ACTCURS
))) {
2036 if (inst
->cfg
.bold_colour
&& (attr
& ATTR_BOLD
)) {
2037 if (nfg
< 16) nfg
|= 8;
2038 else if (nfg
>= 256) nfg
|= 1;
2040 if (inst
->cfg
.bold_colour
&& (attr
& ATTR_BLINK
)) {
2041 if (nbg
< 16) nbg
|= 8;
2042 else if (nbg
>= 256) nbg
|= 1;
2044 if ((attr
& TATTR_ACTCURS
) && !monochrome
) {
2049 fontid
= shadow
= 0;
2051 if (attr
& ATTR_WIDE
) {
2058 if ((attr
& ATTR_BOLD
) && !inst
->cfg
.bold_colour
) {
2065 if (!inst
->fonts
[fontid
]) {
2068 * Fall back through font ids with subsets of this one's
2069 * set bits, in order.
2071 for (i
= fontid
; i
-- > 0 ;) {
2073 continue; /* some other bit is set */
2074 if (inst
->fonts
[i
]) {
2079 assert(inst
->fonts
[fontid
]); /* we should at least have hit zero */
2082 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2084 if (x
>= inst
->term
->cols
)
2086 if (x
+ len
*2*widefactor
> inst
->term
->cols
)
2087 len
= (inst
->term
->cols
-x
)/2/widefactor
;/* trim to LH half */
2095 r
.x
= x
*inst
->font_width
+inst
->cfg
.window_border
;
2096 r
.y
= y
*inst
->font_height
+inst
->cfg
.window_border
;
2097 r
.width
= rlen
*widefactor
*inst
->font_width
;
2098 r
.height
= inst
->font_height
;
2099 gdk_gc_set_clip_rectangle(gc
, &r
);
2102 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
2103 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
2104 x
*inst
->font_width
+inst
->cfg
.window_border
,
2105 y
*inst
->font_height
+inst
->cfg
.window_border
,
2106 rlen
*widefactor
*inst
->font_width
, inst
->font_height
);
2108 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
2113 * FIXME: this length is hardwired on the assumption that
2114 * conversions from wide to multibyte characters will
2115 * never generate more than 10 bytes for a single wide
2118 gcs
= snewn(len
*10+1, gchar
);
2120 for (combining
= 0; combining
< ncombining
; combining
++) {
2121 int mblen
= wc_to_mb(inst
->fonts
[fontid
]->real_charset
, 0,
2122 text
+ combining
, len
, gcs
, len
*10+1, ".",
2124 unifont_draw_text(inst
->pixmap
, gc
, inst
->fonts
[fontid
],
2125 x
*inst
->font_width
+inst
->cfg
.window_border
,
2126 y
*inst
->font_height
+inst
->cfg
.window_border
+inst
->fonts
[0]->ascent
,
2127 gcs
, mblen
, widefactor
> 1, bold
, inst
->font_width
);
2133 if (attr
& ATTR_UNDER
) {
2134 int uheight
= inst
->fonts
[0]->ascent
+ 1;
2135 if (uheight
>= inst
->font_height
)
2136 uheight
= inst
->font_height
- 1;
2137 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+inst
->cfg
.window_border
,
2138 y
*inst
->font_height
+ uheight
+ inst
->cfg
.window_border
,
2139 (x
+len
)*widefactor
*inst
->font_width
-1+inst
->cfg
.window_border
,
2140 y
*inst
->font_height
+ uheight
+ inst
->cfg
.window_border
);
2143 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2145 * I can't find any plausible StretchBlt equivalent in the
2146 * X server, so I'm going to do this the slow and painful
2147 * way. This will involve repeated calls to
2148 * gdk_draw_pixmap() to stretch the text horizontally. It's
2149 * O(N^2) in time and O(N) in network bandwidth, but you
2150 * try thinking of a better way. :-(
2153 for (i
= 0; i
< len
* widefactor
* inst
->font_width
; i
++) {
2154 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
2155 x
*inst
->font_width
+inst
->cfg
.window_border
+ 2*i
,
2156 y
*inst
->font_height
+inst
->cfg
.window_border
,
2157 x
*inst
->font_width
+inst
->cfg
.window_border
+ 2*i
+1,
2158 y
*inst
->font_height
+inst
->cfg
.window_border
,
2159 len
* widefactor
* inst
->font_width
- i
, inst
->font_height
);
2162 if ((lattr
& LATTR_MODE
) != LATTR_WIDE
) {
2164 /* Now stretch vertically, in the same way. */
2165 if ((lattr
& LATTR_MODE
) == LATTR_BOT
)
2169 for (i
= 0; i
< inst
->font_height
; i
+=2) {
2170 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
2171 x
*inst
->font_width
+inst
->cfg
.window_border
,
2172 y
*inst
->font_height
+inst
->cfg
.window_border
+dt
*i
+db
,
2173 x
*inst
->font_width
+inst
->cfg
.window_border
,
2174 y
*inst
->font_height
+inst
->cfg
.window_border
+dt
*(i
+1),
2175 len
* widefactor
* inst
->font_width
, inst
->font_height
-i
-1);
2181 void do_text(Context ctx
, int x
, int y
, wchar_t *text
, int len
,
2182 unsigned long attr
, int lattr
)
2184 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2185 struct gui_data
*inst
= dctx
->inst
;
2186 GdkGC
*gc
= dctx
->gc
;
2189 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
2191 if (attr
& ATTR_WIDE
) {
2197 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2199 if (x
>= inst
->term
->cols
)
2201 if (x
+ len
*2*widefactor
> inst
->term
->cols
)
2202 len
= (inst
->term
->cols
-x
)/2/widefactor
;/* trim to LH half */
2206 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
2207 x
*inst
->font_width
+inst
->cfg
.window_border
,
2208 y
*inst
->font_height
+inst
->cfg
.window_border
,
2209 x
*inst
->font_width
+inst
->cfg
.window_border
,
2210 y
*inst
->font_height
+inst
->cfg
.window_border
,
2211 len
*widefactor
*inst
->font_width
, inst
->font_height
);
2214 void do_cursor(Context ctx
, int x
, int y
, wchar_t *text
, int len
,
2215 unsigned long attr
, int lattr
)
2217 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2218 struct gui_data
*inst
= dctx
->inst
;
2219 GdkGC
*gc
= dctx
->gc
;
2221 int active
, passive
, widefactor
;
2223 if (attr
& TATTR_PASCURS
) {
2224 attr
&= ~TATTR_PASCURS
;
2228 if ((attr
& TATTR_ACTCURS
) && inst
->cfg
.cursor_type
!= 0) {
2229 attr
&= ~TATTR_ACTCURS
;
2233 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
2235 if (attr
& TATTR_COMBINING
)
2238 if (attr
& ATTR_WIDE
) {
2244 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2246 if (x
>= inst
->term
->cols
)
2248 if (x
+ len
*2*widefactor
> inst
->term
->cols
)
2249 len
= (inst
->term
->cols
-x
)/2/widefactor
;/* trim to LH half */
2253 if (inst
->cfg
.cursor_type
== 0) {
2255 * An active block cursor will already have been done by
2256 * the above do_text call, so we only need to do anything
2260 gdk_gc_set_foreground(gc
, &inst
->cols
[261]);
2261 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
2262 x
*inst
->font_width
+inst
->cfg
.window_border
,
2263 y
*inst
->font_height
+inst
->cfg
.window_border
,
2264 len
*widefactor
*inst
->font_width
-1, inst
->font_height
-1);
2268 int startx
, starty
, dx
, dy
, length
, i
;
2272 if ((attr
& ATTR_WIDE
) || (lattr
& LATTR_MODE
) != LATTR_NORM
)
2273 char_width
= 2*inst
->font_width
;
2275 char_width
= inst
->font_width
;
2277 if (inst
->cfg
.cursor_type
== 1) {
2278 uheight
= inst
->fonts
[0]->ascent
+ 1;
2279 if (uheight
>= inst
->font_height
)
2280 uheight
= inst
->font_height
- 1;
2282 startx
= x
* inst
->font_width
+ inst
->cfg
.window_border
;
2283 starty
= y
* inst
->font_height
+ inst
->cfg
.window_border
+ uheight
;
2286 length
= len
* widefactor
* char_width
;
2289 if (attr
& TATTR_RIGHTCURS
)
2290 xadjust
= char_width
- 1;
2291 startx
= x
* inst
->font_width
+ inst
->cfg
.window_border
+ xadjust
;
2292 starty
= y
* inst
->font_height
+ inst
->cfg
.window_border
;
2295 length
= inst
->font_height
;
2298 gdk_gc_set_foreground(gc
, &inst
->cols
[261]);
2300 for (i
= 0; i
< length
; i
++) {
2302 gdk_draw_point(inst
->pixmap
, gc
, startx
, starty
);
2307 } else if (active
) {
2308 gdk_draw_line(inst
->pixmap
, gc
, startx
, starty
,
2309 startx
+ (length
-1) * dx
, starty
+ (length
-1) * dy
);
2310 } /* else no cursor (e.g., blinked off) */
2313 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
2314 x
*inst
->font_width
+inst
->cfg
.window_border
,
2315 y
*inst
->font_height
+inst
->cfg
.window_border
,
2316 x
*inst
->font_width
+inst
->cfg
.window_border
,
2317 y
*inst
->font_height
+inst
->cfg
.window_border
,
2318 len
*widefactor
*inst
->font_width
, inst
->font_height
);
2321 GdkCursor
*make_mouse_ptr(struct gui_data
*inst
, int cursor_val
)
2324 * Truly hideous hack: GTK doesn't allow us to set the mouse
2325 * cursor foreground and background colours unless we've _also_
2326 * created our own cursor from bitmaps. Therefore, I need to
2327 * load the `cursor' font and draw glyphs from it on to
2328 * pixmaps, in order to construct my cursors with the fg and bg
2329 * I want. This is a gross hack, but it's more self-contained
2330 * than linking in Xlib to find the X window handle to
2331 * inst->area and calling XRecolorCursor, and it's more
2332 * futureproof than hard-coding the shapes as bitmap arrays.
2334 static GdkFont
*cursor_font
= NULL
;
2335 GdkPixmap
*source
, *mask
;
2337 GdkColor cfg
= { 0, 65535, 65535, 65535 };
2338 GdkColor cbg
= { 0, 0, 0, 0 };
2339 GdkColor dfg
= { 1, 65535, 65535, 65535 };
2340 GdkColor dbg
= { 0, 0, 0, 0 };
2343 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
2345 if (cursor_val
== -2) {
2346 gdk_font_unref(cursor_font
);
2350 if (cursor_val
>= 0 && !cursor_font
) {
2351 cursor_font
= gdk_font_load("cursor");
2353 gdk_font_ref(cursor_font
);
2357 * Get the text extent of the cursor in question. We use the
2358 * mask character for this, because it's typically slightly
2359 * bigger than the main character.
2361 if (cursor_val
>= 0) {
2363 text
[0] = (char)cursor_val
+ 1;
2364 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
2365 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
2371 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
2372 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
2375 * Draw the mask character on the mask pixmap.
2377 gc
= gdk_gc_new(mask
);
2378 gdk_gc_set_foreground(gc
, &dbg
);
2379 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
2380 if (cursor_val
>= 0) {
2382 text
[0] = (char)cursor_val
+ 1;
2383 gdk_gc_set_foreground(gc
, &dfg
);
2384 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
2389 * Draw the main character on the source pixmap.
2391 gc
= gdk_gc_new(source
);
2392 gdk_gc_set_foreground(gc
, &dbg
);
2393 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
2394 if (cursor_val
>= 0) {
2396 text
[0] = (char)cursor_val
;
2397 gdk_gc_set_foreground(gc
, &dfg
);
2398 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
2403 * Create the cursor.
2405 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
2410 gdk_pixmap_unref(source
);
2411 gdk_pixmap_unref(mask
);
2416 void modalfatalbox(char *p
, ...)
2419 fprintf(stderr
, "FATAL ERROR: ");
2421 vfprintf(stderr
, p
, ap
);
2423 fputc('\n', stderr
);
2427 void cmdline_error(char *p
, ...)
2430 fprintf(stderr
, "%s: ", appname
);
2432 vfprintf(stderr
, p
, ap
);
2434 fputc('\n', stderr
);
2438 char *get_x_display(void *frontend
)
2440 return gdk_get_display();
2443 long get_windowid(void *frontend
)
2445 struct gui_data
*inst
= (struct gui_data
*)frontend
;
2446 return (long)GDK_WINDOW_XWINDOW(inst
->area
->window
);
2449 static void help(FILE *fp
) {
2451 "pterm option summary:\n"
2453 " --display DISPLAY Specify X display to use (note '--')\n"
2454 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
2455 " -fn FONT Normal text font\n"
2456 " -fb FONT Bold text font\n"
2457 " -geometry GEOMETRY Position and size of window (size in characters)\n"
2458 " -sl LINES Number of lines of scrollback\n"
2459 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
2460 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
2461 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
2462 " -T TITLE Window title\n"
2463 " -ut, +ut Do(default) or do not update utmp\n"
2464 " -ls, +ls Do(default) or do not make shell a login shell\n"
2465 " -sb, +sb Do(default) or do not display a scrollbar\n"
2466 " -log PATH Log all output to a file\n"
2467 " -nethack Map numeric keypad to hjklyubn direction keys\n"
2468 " -xrm RESOURCE-STRING Set an X resource\n"
2469 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
2470 ) < 0 || fflush(fp
) < 0) {
2471 perror("output error");
2476 int do_cmdline(int argc
, char **argv
, int do_everything
, int *allow_launch
,
2477 struct gui_data
*inst
, Config
*cfg
)
2483 * Macros to make argument handling easier. Note that because
2484 * they need to call `continue', they cannot be contained in
2485 * the usual do {...} while (0) wrapper to make them
2486 * syntactically single statements; hence it is not legal to
2487 * use one of these macros as an unbraced statement between
2490 #define EXPECTS_ARG { \
2491 if (--argc <= 0) { \
2493 fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
2498 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2500 while (--argc
> 0) {
2505 * Shameless cheating. Debian requires all X terminal
2506 * emulators to support `-T title'; but
2507 * cmdline_process_param will eat -T (it means no-pty) and
2508 * complain that pterm doesn't support it. So, in pterm
2509 * only, we convert -T into -title.
2511 if ((cmdline_tooltype
& TOOLTYPE_NONNETWORK
) &&
2515 ret
= cmdline_process_param(p
, (argc
> 1 ? argv
[1] : NULL
),
2516 do_everything ?
1 : -1, cfg
);
2519 cmdline_error("option \"%s\" requires an argument", p
);
2520 } else if (ret
== 2) {
2521 --argc
, ++argv
; /* skip next argument */
2523 } else if (ret
== 1) {
2527 if (!strcmp(p
, "-fn") || !strcmp(p
, "-font")) {
2530 strncpy(cfg
->font
.name
, val
, sizeof(cfg
->font
.name
));
2531 cfg
->font
.name
[sizeof(cfg
->font
.name
)-1] = '\0';
2533 } else if (!strcmp(p
, "-fb")) {
2536 strncpy(cfg
->boldfont
.name
, val
, sizeof(cfg
->boldfont
.name
));
2537 cfg
->boldfont
.name
[sizeof(cfg
->boldfont
.name
)-1] = '\0';
2539 } else if (!strcmp(p
, "-fw")) {
2542 strncpy(cfg
->widefont
.name
, val
, sizeof(cfg
->widefont
.name
));
2543 cfg
->widefont
.name
[sizeof(cfg
->widefont
.name
)-1] = '\0';
2545 } else if (!strcmp(p
, "-fwb")) {
2548 strncpy(cfg
->wideboldfont
.name
, val
, sizeof(cfg
->wideboldfont
.name
));
2549 cfg
->wideboldfont
.name
[sizeof(cfg
->wideboldfont
.name
)-1] = '\0';
2551 } else if (!strcmp(p
, "-cs")) {
2554 strncpy(cfg
->line_codepage
, val
, sizeof(cfg
->line_codepage
));
2555 cfg
->line_codepage
[sizeof(cfg
->line_codepage
)-1] = '\0';
2557 } else if (!strcmp(p
, "-geometry")) {
2563 flags
= XParseGeometry(val
, &x
, &y
, &w
, &h
);
2564 if (flags
& WidthValue
)
2565 cfg
->width
= (int)w
;
2566 if (flags
& HeightValue
)
2567 cfg
->height
= (int)h
;
2569 if (flags
& (XValue
| YValue
)) {
2572 inst
->gotpos
= TRUE
;
2573 inst
->gravity
= ((flags
& XNegative ?
1 : 0) |
2574 (flags
& YNegative ?
2 : 0));
2577 } else if (!strcmp(p
, "-sl")) {
2580 cfg
->savelines
= atoi(val
);
2582 } else if (!strcmp(p
, "-fg") || !strcmp(p
, "-bg") ||
2583 !strcmp(p
, "-bfg") || !strcmp(p
, "-bbg") ||
2584 !strcmp(p
, "-cfg") || !strcmp(p
, "-cbg")) {
2589 if (!gdk_color_parse(val
, &col
)) {
2591 fprintf(stderr
, "%s: unable to parse colour \"%s\"\n",
2595 index
= (!strcmp(p
, "-fg") ?
0 :
2596 !strcmp(p
, "-bg") ?
2 :
2597 !strcmp(p
, "-bfg") ?
1 :
2598 !strcmp(p
, "-bbg") ?
3 :
2599 !strcmp(p
, "-cfg") ?
4 :
2600 !strcmp(p
, "-cbg") ?
5 : -1);
2601 assert(index
!= -1);
2602 cfg
->colours
[index
][0] = col
.red
/ 256;
2603 cfg
->colours
[index
][1] = col
.green
/ 256;
2604 cfg
->colours
[index
][2] = col
.blue
/ 256;
2607 } else if (use_pty_argv
&& !strcmp(p
, "-e")) {
2608 /* This option swallows all further arguments. */
2614 pty_argv
= snewn(argc
+1, char *);
2616 for (i
= 0; i
< argc
; i
++)
2617 pty_argv
[i
] = argv
[i
];
2618 pty_argv
[argc
] = NULL
;
2619 break; /* finished command-line processing */
2621 err
= 1, fprintf(stderr
, "%s: -e expects an argument\n",
2624 } else if (!strcmp(p
, "-title")) {
2627 strncpy(cfg
->wintitle
, val
, sizeof(cfg
->wintitle
));
2628 cfg
->wintitle
[sizeof(cfg
->wintitle
)-1] = '\0';
2630 } else if (!strcmp(p
, "-log")) {
2633 strncpy(cfg
->logfilename
.path
, val
, sizeof(cfg
->logfilename
.path
));
2634 cfg
->logfilename
.path
[sizeof(cfg
->logfilename
.path
)-1] = '\0';
2635 cfg
->logtype
= LGTYP_DEBUG
;
2637 } else if (!strcmp(p
, "-ut-") || !strcmp(p
, "+ut")) {
2639 cfg
->stamp_utmp
= 0;
2641 } else if (!strcmp(p
, "-ut")) {
2643 cfg
->stamp_utmp
= 1;
2645 } else if (!strcmp(p
, "-ls-") || !strcmp(p
, "+ls")) {
2647 cfg
->login_shell
= 0;
2649 } else if (!strcmp(p
, "-ls")) {
2651 cfg
->login_shell
= 1;
2653 } else if (!strcmp(p
, "-nethack")) {
2655 cfg
->nethack_keypad
= 1;
2657 } else if (!strcmp(p
, "-sb-") || !strcmp(p
, "+sb")) {
2661 } else if (!strcmp(p
, "-sb")) {
2665 } else if (!strcmp(p
, "-name")) {
2669 } else if (!strcmp(p
, "-xrm")) {
2671 provide_xrm_string(val
);
2673 } else if(!strcmp(p
, "-help") || !strcmp(p
, "--help")) {
2677 } else if (!strcmp(p
, "-pgpfp")) {
2681 } else if(p
[0] != '-' && (!do_everything
||
2682 process_nonoption_arg(p
, cfg
,
2688 fprintf(stderr
, "%s: unrecognized option '%s'\n", appname
, p
);
2695 int uxsel_input_add(int fd
, int rwx
) {
2697 if (rwx
& 1) flags
|= GDK_INPUT_READ
;
2698 if (rwx
& 2) flags
|= GDK_INPUT_WRITE
;
2699 if (rwx
& 4) flags
|= GDK_INPUT_EXCEPTION
;
2701 return gdk_input_add(fd
, flags
, fd_input_func
, NULL
);
2704 void uxsel_input_remove(int id
) {
2705 gdk_input_remove(id
);
2708 void setup_fonts_ucs(struct gui_data
*inst
)
2711 unifont_destroy(inst
->fonts
[0]);
2713 unifont_destroy(inst
->fonts
[1]);
2715 unifont_destroy(inst
->fonts
[2]);
2717 unifont_destroy(inst
->fonts
[3]);
2719 inst
->fonts
[0] = unifont_create(inst
->area
, inst
->cfg
.font
.name
,
2721 inst
->cfg
.shadowboldoffset
,
2722 inst
->cfg
.shadowbold
);
2723 if (!inst
->fonts
[0]) {
2724 fprintf(stderr
, "%s: unable to load font \"%s\"\n", appname
,
2725 inst
->cfg
.font
.name
);
2729 if (inst
->cfg
.shadowbold
|| !inst
->cfg
.boldfont
.name
[0]) {
2730 inst
->fonts
[1] = NULL
;
2732 inst
->fonts
[1] = unifont_create(inst
->area
, inst
->cfg
.boldfont
.name
,
2734 inst
->cfg
.shadowboldoffset
,
2735 inst
->cfg
.shadowbold
);
2736 if (!inst
->fonts
[1]) {
2737 fprintf(stderr
, "%s: unable to load bold font \"%s\"\n", appname
,
2738 inst
->cfg
.boldfont
.name
);
2743 if (inst
->cfg
.widefont
.name
[0]) {
2744 inst
->fonts
[2] = unifont_create(inst
->area
, inst
->cfg
.widefont
.name
,
2746 inst
->cfg
.shadowboldoffset
,
2747 inst
->cfg
.shadowbold
);
2748 if (!inst
->fonts
[2]) {
2749 fprintf(stderr
, "%s: unable to load wide font \"%s\"\n", appname
,
2750 inst
->cfg
.widefont
.name
);
2754 inst
->fonts
[2] = NULL
;
2757 if (inst
->cfg
.shadowbold
|| !inst
->cfg
.wideboldfont
.name
[0]) {
2758 inst
->fonts
[3] = NULL
;
2760 inst
->fonts
[3] = unifont_create(inst
->area
,
2761 inst
->cfg
.wideboldfont
.name
, TRUE
,
2762 TRUE
, inst
->cfg
.shadowboldoffset
,
2763 inst
->cfg
.shadowbold
);
2764 if (!inst
->fonts
[3]) {
2765 fprintf(stderr
, "%s: unable to load wide bold font \"%s\"\n", appname
,
2766 inst
->cfg
.boldfont
.name
);
2771 inst
->font_width
= inst
->fonts
[0]->width
;
2772 inst
->font_height
= inst
->fonts
[0]->height
;
2774 inst
->direct_to_font
= init_ucs(&inst
->ucsdata
, inst
->cfg
.line_codepage
,
2775 inst
->cfg
.utf8_override
,
2776 inst
->fonts
[0]->public_charset
,
2780 void set_geom_hints(struct gui_data
*inst
)
2783 geom
.min_width
= inst
->font_width
+ 2*inst
->cfg
.window_border
;
2784 geom
.min_height
= inst
->font_height
+ 2*inst
->cfg
.window_border
;
2785 geom
.max_width
= geom
.max_height
= -1;
2786 geom
.base_width
= 2*inst
->cfg
.window_border
;
2787 geom
.base_height
= 2*inst
->cfg
.window_border
;
2788 geom
.width_inc
= inst
->font_width
;
2789 geom
.height_inc
= inst
->font_height
;
2790 geom
.min_aspect
= geom
.max_aspect
= 0;
2791 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
2792 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
2793 GDK_HINT_RESIZE_INC
);
2796 void clear_scrollback_menuitem(GtkMenuItem
*item
, gpointer data
)
2798 struct gui_data
*inst
= (struct gui_data
*)data
;
2799 term_clrsb(inst
->term
);
2802 void reset_terminal_menuitem(GtkMenuItem
*item
, gpointer data
)
2804 struct gui_data
*inst
= (struct gui_data
*)data
;
2805 term_pwron(inst
->term
, TRUE
);
2807 ldisc_send(inst
->ldisc
, NULL
, 0, 0);
2810 void copy_all_menuitem(GtkMenuItem
*item
, gpointer data
)
2812 struct gui_data
*inst
= (struct gui_data
*)data
;
2813 term_copyall(inst
->term
);
2816 void special_menuitem(GtkMenuItem
*item
, gpointer data
)
2818 struct gui_data
*inst
= (struct gui_data
*)data
;
2819 int code
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
2823 inst
->back
->special(inst
->backhandle
, code
);
2826 void about_menuitem(GtkMenuItem
*item
, gpointer data
)
2828 struct gui_data
*inst
= (struct gui_data
*)data
;
2829 about_box(inst
->window
);
2832 void event_log_menuitem(GtkMenuItem
*item
, gpointer data
)
2834 struct gui_data
*inst
= (struct gui_data
*)data
;
2835 showeventlog(inst
->eventlogstuff
, inst
->window
);
2838 void change_settings_menuitem(GtkMenuItem
*item
, gpointer data
)
2840 /* This maps colour indices in inst->cfg to those used in inst->cols. */
2841 static const int ww
[] = {
2842 256, 257, 258, 259, 260, 261,
2843 0, 8, 1, 9, 2, 10, 3, 11,
2844 4, 12, 5, 13, 6, 14, 7, 15
2846 struct gui_data
*inst
= (struct gui_data
*)data
;
2847 char *title
= dupcat(appname
, " Reconfiguration", NULL
);
2848 Config cfg2
, oldcfg
;
2851 assert(lenof(ww
) == NCFGCOLOURS
);
2853 if (inst
->reconfiguring
)
2856 inst
->reconfiguring
= TRUE
;
2858 cfg2
= inst
->cfg
; /* structure copy */
2860 if (do_config_box(title
, &cfg2
, 1,
2861 inst
->back?inst
->back
->cfg_info(inst
->backhandle
):0)) {
2863 oldcfg
= inst
->cfg
; /* structure copy */
2864 inst
->cfg
= cfg2
; /* structure copy */
2866 /* Pass new config data to the logging module */
2867 log_reconfig(inst
->logctx
, &cfg2
);
2869 * Flush the line discipline's edit buffer in the case
2870 * where local editing has just been disabled.
2873 ldisc_send(inst
->ldisc
, NULL
, 0, 0);
2874 /* Pass new config data to the terminal */
2875 term_reconfig(inst
->term
, &cfg2
);
2876 /* Pass new config data to the back end */
2878 inst
->back
->reconfig(inst
->backhandle
, &cfg2
);
2881 * Just setting inst->cfg is sufficient to cause colour
2882 * setting changes to appear on the next ESC]R palette
2883 * reset. But we should also check whether any colour
2884 * settings have been changed, and revert the ones that
2885 * have to the new default, on the assumption that the user
2886 * is most likely to want an immediate update.
2888 for (i
= 0; i
< NCFGCOLOURS
; i
++) {
2889 if (oldcfg
.colours
[i
][0] != cfg2
.colours
[i
][0] ||
2890 oldcfg
.colours
[i
][1] != cfg2
.colours
[i
][1] ||
2891 oldcfg
.colours
[i
][2] != cfg2
.colours
[i
][2]) {
2892 real_palette_set(inst
, ww
[i
], cfg2
.colours
[i
][0],
2894 cfg2
.colours
[i
][2]);
2897 * If the default background has changed, we must
2898 * repaint the space in between the window border
2899 * and the text area.
2902 set_window_background(inst
);
2903 draw_backing_rect(inst
);
2909 * If the scrollbar needs to be shown, hidden, or moved
2910 * from one end to the other of the window, do so now.
2912 if (oldcfg
.scrollbar
!= cfg2
.scrollbar
) {
2914 gtk_widget_show(inst
->sbar
);
2916 gtk_widget_hide(inst
->sbar
);
2918 if (oldcfg
.scrollbar_on_left
!= cfg2
.scrollbar_on_left
) {
2919 gtk_box_reorder_child(inst
->hbox
, inst
->sbar
,
2920 cfg2
.scrollbar_on_left ?
0 : 1);
2924 * Change the window title, if required.
2926 if (strcmp(oldcfg
.wintitle
, cfg2
.wintitle
))
2927 set_title(inst
, cfg2
.wintitle
);
2928 set_window_titles(inst
);
2931 * Redo the whole tangled fonts and Unicode mess if
2934 if (strcmp(oldcfg
.font
.name
, cfg2
.font
.name
) ||
2935 strcmp(oldcfg
.boldfont
.name
, cfg2
.boldfont
.name
) ||
2936 strcmp(oldcfg
.widefont
.name
, cfg2
.widefont
.name
) ||
2937 strcmp(oldcfg
.wideboldfont
.name
, cfg2
.wideboldfont
.name
) ||
2938 strcmp(oldcfg
.line_codepage
, cfg2
.line_codepage
) ||
2939 oldcfg
.vtmode
!= cfg2
.vtmode
||
2940 oldcfg
.shadowbold
!= cfg2
.shadowbold
) {
2941 setup_fonts_ucs(inst
);
2947 * Resize the window.
2949 if (oldcfg
.width
!= cfg2
.width
|| oldcfg
.height
!= cfg2
.height
||
2950 oldcfg
.window_border
!= cfg2
.window_border
|| need_size
) {
2951 set_geom_hints(inst
);
2952 request_resize(inst
, cfg2
.width
, cfg2
.height
);
2955 * The above will have caused a call to term_size() for
2956 * us if it happened. If the user has fiddled with only
2957 * the scrollback size, the above will not have
2958 * happened and we will need an explicit term_size()
2961 if (oldcfg
.savelines
!= cfg2
.savelines
)
2962 term_size(inst
->term
, inst
->term
->rows
, inst
->term
->cols
,
2966 term_invalidate(inst
->term
);
2969 * We do an explicit full redraw here to ensure the window
2970 * border has been redrawn as well as the text area.
2972 gtk_widget_queue_draw(inst
->area
);
2975 inst
->reconfiguring
= FALSE
;
2978 void fork_and_exec_self(struct gui_data
*inst
, int fd_to_close
, ...)
2981 * Re-execing ourself is not an exact science under Unix. I do
2982 * the best I can by using /proc/self/exe if available and by
2983 * assuming argv[0] can be found on $PATH if not.
2985 * Note that we also have to reconstruct the elements of the
2986 * original argv which gtk swallowed, since the user wants the
2987 * new session to appear on the same X display as the old one.
2995 * Collect the arguments with which to re-exec ourself.
2997 va_start(ap
, fd_to_close
);
2998 n
= 2; /* progname and terminating NULL */
2999 n
+= inst
->ngtkargs
;
3000 while (va_arg(ap
, char *) != NULL
)
3004 args
= snewn(n
, char *);
3005 args
[0] = inst
->progname
;
3007 for (i
= 0; i
< inst
->ngtkargs
; i
++)
3008 args
[i
+1] = inst
->gtkargvstart
[i
];
3011 va_start(ap
, fd_to_close
);
3012 while ((args
[i
++] = va_arg(ap
, char *)) != NULL
);
3018 * Do the double fork.
3031 } else if (pid2
> 0) {
3033 * First child has successfully forked second child. My
3034 * Work Here Is Done. Note the use of _exit rather than
3035 * exit: the latter appears to cause destroy messages
3036 * to be sent to the X server. I suspect gtk uses
3043 * If we reach here, we are the second child, so we now
3044 * actually perform the exec.
3046 if (fd_to_close
>= 0)
3049 execv("/proc/self/exe", args
);
3050 execvp(inst
->progname
, args
);
3056 waitpid(pid
, &status
, 0);
3061 void dup_session_menuitem(GtkMenuItem
*item
, gpointer gdata
)
3063 struct gui_data
*inst
= (struct gui_data
*)gdata
;
3065 * For this feature we must marshal cfg and (possibly) pty_argv
3066 * into a byte stream, create a pipe, and send this byte stream
3067 * to the child through the pipe.
3074 if (pipe(pipefd
) < 0) {
3079 size
= sizeof(inst
->cfg
);
3080 if (use_pty_argv
&& pty_argv
) {
3081 for (i
= 0; pty_argv
[i
]; i
++)
3082 size
+= strlen(pty_argv
[i
]) + 1;
3085 data
= snewn(size
, char);
3086 memcpy(data
, &inst
->cfg
, sizeof(inst
->cfg
));
3087 if (use_pty_argv
&& pty_argv
) {
3088 int p
= sizeof(inst
->cfg
);
3089 for (i
= 0; pty_argv
[i
]; i
++) {
3090 strcpy(data
+ p
, pty_argv
[i
]);
3091 p
+= strlen(pty_argv
[i
]) + 1;
3096 sprintf(option
, "---[%d,%d]", pipefd
[0], size
);
3097 fcntl(pipefd
[0], F_SETFD
, 0);
3098 fork_and_exec_self(inst
, pipefd
[1], option
, NULL
);
3102 while (i
< size
&& (ret
= write(pipefd
[1], data
+ i
, size
- i
)) > 0)
3105 perror("write to pipe");
3110 int read_dupsession_data(struct gui_data
*inst
, Config
*cfg
, char *arg
)
3112 int fd
, i
, ret
, size
;
3115 if (sscanf(arg
, "---[%d,%d]", &fd
, &size
) != 2) {
3116 fprintf(stderr
, "%s: malformed magic argument `%s'\n", appname
, arg
);
3120 data
= snewn(size
, char);
3122 while (i
< size
&& (ret
= read(fd
, data
+ i
, size
- i
)) > 0)
3125 perror("read from pipe");
3127 } else if (i
< size
) {
3128 fprintf(stderr
, "%s: unexpected EOF in Duplicate Session data\n",
3133 memcpy(cfg
, data
, sizeof(Config
));
3134 if (use_pty_argv
&& size
> sizeof(Config
)) {
3138 while (i
< size
&& data
[i
]) i
++;
3140 fprintf(stderr
, "%s: malformed Duplicate Session data\n",
3147 pty_argv
= snewn(n
+1, char *);
3153 while (i
< size
&& data
[i
]) i
++;
3156 pty_argv
[n
++] = dupstr(p
);
3163 void new_session_menuitem(GtkMenuItem
*item
, gpointer data
)
3165 struct gui_data
*inst
= (struct gui_data
*)data
;
3167 fork_and_exec_self(inst
, -1, NULL
);
3170 void restart_session_menuitem(GtkMenuItem
*item
, gpointer data
)
3172 struct gui_data
*inst
= (struct gui_data
*)data
;
3175 logevent(inst
, "----- Session restarted -----");
3176 term_pwron(inst
->term
, FALSE
);
3177 start_backend(inst
);
3178 inst
->exited
= FALSE
;
3182 void saved_session_menuitem(GtkMenuItem
*item
, gpointer data
)
3184 struct gui_data
*inst
= (struct gui_data
*)data
;
3185 char *str
= (char *)gtk_object_get_data(GTK_OBJECT(item
), "user-data");
3187 fork_and_exec_self(inst
, -1, "-load", str
, NULL
);
3190 void saved_session_freedata(GtkMenuItem
*item
, gpointer data
)
3192 char *str
= (char *)gtk_object_get_data(GTK_OBJECT(item
), "user-data");
3197 static void update_savedsess_menu(GtkMenuItem
*menuitem
, gpointer data
)
3199 struct gui_data
*inst
= (struct gui_data
*)data
;
3200 struct sesslist sesslist
;
3203 gtk_container_foreach(GTK_CONTAINER(inst
->sessionsmenu
),
3204 (GtkCallback
)gtk_widget_destroy
, NULL
);
3206 get_sesslist(&sesslist
, TRUE
);
3207 for (i
= 1; i
< sesslist
.nsessions
; i
++) {
3208 GtkWidget
*menuitem
=
3209 gtk_menu_item_new_with_label(sesslist
.sessions
[i
]);
3210 gtk_container_add(GTK_CONTAINER(inst
->sessionsmenu
), menuitem
);
3211 gtk_widget_show(menuitem
);
3212 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
3213 dupstr(sesslist
.sessions
[i
]));
3214 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
3215 GTK_SIGNAL_FUNC(saved_session_menuitem
),
3217 gtk_signal_connect(GTK_OBJECT(menuitem
), "destroy",
3218 GTK_SIGNAL_FUNC(saved_session_freedata
),
3221 get_sesslist(&sesslist
, FALSE
); /* free up */
3224 void set_window_icon(GtkWidget
*window
, const char *const *const *icon
,
3228 GdkBitmap
*iconmask
;
3229 #if GTK_CHECK_VERSION(2,0,0)
3237 gtk_widget_realize(window
);
3238 iconpm
= gdk_pixmap_create_from_xpm_d(window
->window
, &iconmask
,
3239 NULL
, (gchar
**)icon
[0]);
3240 gdk_window_set_icon(window
->window
, NULL
, iconpm
, iconmask
);
3242 #if GTK_CHECK_VERSION(2,0,0)
3244 for (n
= 0; n
< n_icon
; n
++) {
3246 g_list_append(iconlist
,
3247 gdk_pixbuf_new_from_xpm_data((const gchar
**)
3250 gdk_window_set_icon_list(window
->window
, iconlist
);
3254 void update_specials_menu(void *frontend
)
3256 struct gui_data
*inst
= (struct gui_data
*)frontend
;
3258 const struct telnet_special
*specials
;
3261 specials
= inst
->back
->get_specials(inst
->backhandle
);
3265 /* I believe this disposes of submenus too. */
3266 gtk_container_foreach(GTK_CONTAINER(inst
->specialsmenu
),
3267 (GtkCallback
)gtk_widget_destroy
, NULL
);
3270 GtkWidget
*menu
= inst
->specialsmenu
;
3271 /* A lame "stack" for submenus that will do for now. */
3272 GtkWidget
*saved_menu
= NULL
;
3274 for (i
= 0; nesting
> 0; i
++) {
3275 GtkWidget
*menuitem
= NULL
;
3276 switch (specials
[i
].code
) {
3278 assert (nesting
< 2);
3279 saved_menu
= menu
; /* XXX lame stacking */
3280 menu
= gtk_menu_new();
3281 menuitem
= gtk_menu_item_new_with_label(specials
[i
].name
);
3282 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
3283 gtk_container_add(GTK_CONTAINER(saved_menu
), menuitem
);
3284 gtk_widget_show(menuitem
);
3291 menu
= saved_menu
; /* XXX lame stacking */
3296 menuitem
= gtk_menu_item_new();
3299 menuitem
= gtk_menu_item_new_with_label(specials
[i
].name
);
3300 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
3301 GINT_TO_POINTER(specials
[i
].code
));
3302 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
3303 GTK_SIGNAL_FUNC(special_menuitem
), inst
);
3307 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
3308 gtk_widget_show(menuitem
);
3311 gtk_widget_show(inst
->specialsitem1
);
3312 gtk_widget_show(inst
->specialsitem2
);
3314 gtk_widget_hide(inst
->specialsitem1
);
3315 gtk_widget_hide(inst
->specialsitem2
);
3319 static void start_backend(struct gui_data
*inst
)
3321 extern Backend
*select_backend(Config
*cfg
);
3325 inst
->back
= select_backend(&inst
->cfg
);
3327 error
= inst
->back
->init((void *)inst
, &inst
->backhandle
,
3328 &inst
->cfg
, inst
->cfg
.host
, inst
->cfg
.port
,
3329 &realhost
, inst
->cfg
.tcp_nodelay
,
3330 inst
->cfg
.tcp_keepalives
);
3333 char *msg
= dupprintf("Unable to open connection to %s:\n%s",
3334 inst
->cfg
.host
, error
);
3335 inst
->exited
= TRUE
;
3336 fatal_message_box(inst
->window
, msg
);
3341 if (inst
->cfg
.wintitle
[0]) {
3342 set_title(inst
, inst
->cfg
.wintitle
);
3343 set_icon(inst
, inst
->cfg
.wintitle
);
3345 char *title
= make_default_wintitle(realhost
);
3346 set_title(inst
, title
);
3347 set_icon(inst
, title
);
3352 inst
->back
->provide_logctx(inst
->backhandle
, inst
->logctx
);
3354 term_provide_resize_fn(inst
->term
, inst
->back
->size
, inst
->backhandle
);
3357 ldisc_create(&inst
->cfg
, inst
->term
, inst
->back
, inst
->backhandle
,
3360 gtk_widget_hide(inst
->restartitem
);
3363 int pt_main(int argc
, char **argv
)
3365 extern int cfgbox(Config
*cfg
);
3366 struct gui_data
*inst
;
3369 * Create an instance structure and initialise to zeroes
3371 inst
= snew(struct gui_data
);
3372 memset(inst
, 0, sizeof(*inst
));
3373 inst
->alt_keycode
= -1; /* this one needs _not_ to be zero */
3374 inst
->busy_status
= BUSY_NOT
;
3376 /* defer any child exit handling until we're ready to deal with
3378 block_signal(SIGCHLD
, 1);
3380 inst
->progname
= argv
[0];
3382 * Copy the original argv before letting gtk_init fiddle with
3383 * it. It will be required later.
3387 inst
->gtkargvstart
= snewn(argc
-1, char *);
3388 for (i
= 1; i
< argc
; i
++)
3389 inst
->gtkargvstart
[i
-1] = dupstr(argv
[i
]);
3391 gtk_init(&argc
, &argv
);
3392 inst
->ngtkargs
= oldargc
- argc
;
3395 if (argc
> 1 && !strncmp(argv
[1], "---", 3)) {
3396 read_dupsession_data(inst
, &inst
->cfg
, argv
[1]);
3397 /* Splatter this argument so it doesn't clutter a ps listing */
3398 memset(argv
[1], 0, strlen(argv
[1]));
3400 /* By default, we bring up the config dialog, rather than launching
3401 * a session. This gets set to TRUE if something happens to change
3402 * that (e.g., a hostname is specified on the command-line). */
3403 int allow_launch
= FALSE
;
3404 if (do_cmdline(argc
, argv
, 0, &allow_launch
, inst
, &inst
->cfg
))
3405 exit(1); /* pre-defaults pass to get -class */
3406 do_defaults(NULL
, &inst
->cfg
);
3407 if (do_cmdline(argc
, argv
, 1, &allow_launch
, inst
, &inst
->cfg
))
3408 exit(1); /* post-defaults, do everything */
3410 cmdline_run_saved(&inst
->cfg
);
3413 allow_launch
= TRUE
;
3415 if ((!allow_launch
|| !cfg_launchable(&inst
->cfg
)) &&
3416 !cfgbox(&inst
->cfg
))
3417 exit(0); /* config box hit Cancel */
3420 if (!compound_text_atom
)
3421 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
3422 if (!utf8_string_atom
)
3423 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
3425 inst
->area
= gtk_drawing_area_new();
3427 setup_fonts_ucs(inst
);
3430 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
3433 * Set up the colour map.
3435 palette_reset(inst
);
3437 inst
->width
= inst
->cfg
.width
;
3438 inst
->height
= inst
->cfg
.height
;
3440 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
3441 inst
->font_width
* inst
->cfg
.width
+ 2*inst
->cfg
.window_border
,
3442 inst
->font_height
* inst
->cfg
.height
+ 2*inst
->cfg
.window_border
);
3443 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
3444 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
3445 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
3447 * We always create the scrollbar; it remains invisible if
3448 * unwanted, so we can pop it up quickly if it suddenly becomes
3451 if (inst
->cfg
.scrollbar_on_left
)
3452 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
3453 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
3454 if (!inst
->cfg
.scrollbar_on_left
)
3455 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
3457 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
3459 set_geom_hints(inst
);
3461 gtk_widget_show(inst
->area
);
3462 if (inst
->cfg
.scrollbar
)
3463 gtk_widget_show(inst
->sbar
);
3465 gtk_widget_hide(inst
->sbar
);
3466 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
3469 int x
= inst
->xpos
, y
= inst
->ypos
;
3471 gtk_widget_size_request(GTK_WIDGET(inst
->window
), &req
);
3472 if (inst
->gravity
& 1) x
+= gdk_screen_width() - req
.width
;
3473 if (inst
->gravity
& 2) y
+= gdk_screen_height() - req
.height
;
3474 gtk_window_set_position(GTK_WINDOW(inst
->window
), GTK_WIN_POS_NONE
);
3475 gtk_widget_set_uposition(GTK_WIDGET(inst
->window
), x
, y
);
3478 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
3479 GTK_SIGNAL_FUNC(destroy
), inst
);
3480 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
3481 GTK_SIGNAL_FUNC(delete_window
), inst
);
3482 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
3483 GTK_SIGNAL_FUNC(key_event
), inst
);
3484 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_release_event",
3485 GTK_SIGNAL_FUNC(key_event
), inst
);
3486 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
3487 GTK_SIGNAL_FUNC(focus_event
), inst
);
3488 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
3489 GTK_SIGNAL_FUNC(focus_event
), inst
);
3490 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
3491 GTK_SIGNAL_FUNC(configure_area
), inst
);
3492 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
3493 GTK_SIGNAL_FUNC(expose_area
), inst
);
3494 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
3495 GTK_SIGNAL_FUNC(button_event
), inst
);
3496 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
3497 GTK_SIGNAL_FUNC(button_event
), inst
);
3498 #if GTK_CHECK_VERSION(2,0,0)
3499 gtk_signal_connect(GTK_OBJECT(inst
->area
), "scroll_event",
3500 GTK_SIGNAL_FUNC(scroll_event
), inst
);
3502 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
3503 GTK_SIGNAL_FUNC(motion_event
), inst
);
3504 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
3505 GTK_SIGNAL_FUNC(selection_received
), inst
);
3506 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
3507 GTK_SIGNAL_FUNC(selection_get
), inst
);
3508 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
3509 GTK_SIGNAL_FUNC(selection_clear
), inst
);
3510 if (inst
->cfg
.scrollbar
)
3511 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
3512 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
3513 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
3514 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
3515 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
3516 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
3519 extern const char *const *const main_icon
[];
3520 extern const int n_main_icon
;
3521 set_window_icon(inst
->window
, main_icon
, n_main_icon
);
3524 gtk_widget_show(inst
->window
);
3526 set_window_background(inst
);
3529 * Set up the Ctrl+rightclick context menu.
3532 GtkWidget
*menuitem
;
3534 extern const int use_event_log
, new_session
, saved_sessions
;
3536 inst
->menu
= gtk_menu_new();
3538 #define MKMENUITEM(title, func) do { \
3539 menuitem = title ? gtk_menu_item_new_with_label(title) : \
3540 gtk_menu_item_new(); \
3541 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
3542 gtk_widget_show(menuitem); \
3544 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
3545 GTK_SIGNAL_FUNC(func), inst); \
3548 MKMENUITEM("New Session", new_session_menuitem
);
3549 MKMENUITEM("Restart Session", restart_session_menuitem
);
3550 inst
->restartitem
= menuitem
;
3551 gtk_widget_hide(inst
->restartitem
);
3552 MKMENUITEM("Duplicate Session", dup_session_menuitem
);
3553 if (saved_sessions
) {
3554 inst
->sessionsmenu
= gtk_menu_new();
3555 /* sessionsmenu will be updated when it's invoked */
3556 /* XXX is this the right way to do dynamic menus in Gtk? */
3557 MKMENUITEM("Saved Sessions", update_savedsess_menu
);
3558 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
),
3559 inst
->sessionsmenu
);
3561 MKMENUITEM(NULL
, NULL
);
3562 MKMENUITEM("Change Settings", change_settings_menuitem
);
3563 MKMENUITEM(NULL
, NULL
);
3565 MKMENUITEM("Event Log", event_log_menuitem
);
3566 MKMENUITEM("Special Commands", NULL
);
3567 inst
->specialsmenu
= gtk_menu_new();
3568 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), inst
->specialsmenu
);
3569 inst
->specialsitem1
= menuitem
;
3570 MKMENUITEM(NULL
, NULL
);
3571 inst
->specialsitem2
= menuitem
;
3572 gtk_widget_hide(inst
->specialsitem1
);
3573 gtk_widget_hide(inst
->specialsitem2
);
3574 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem
);
3575 MKMENUITEM("Reset Terminal", reset_terminal_menuitem
);
3576 MKMENUITEM("Copy All", copy_all_menuitem
);
3577 MKMENUITEM(NULL
, NULL
);
3578 s
= dupcat("About ", appname
, NULL
);
3579 MKMENUITEM(s
, about_menuitem
);
3584 inst
->textcursor
= make_mouse_ptr(inst
, GDK_XTERM
);
3585 inst
->rawcursor
= make_mouse_ptr(inst
, GDK_LEFT_PTR
);
3586 inst
->waitcursor
= make_mouse_ptr(inst
, GDK_WATCH
);
3587 inst
->blankcursor
= make_mouse_ptr(inst
, -1);
3588 make_mouse_ptr(inst
, -2); /* clean up cursor font */
3589 inst
->currcursor
= inst
->textcursor
;
3590 show_mouseptr(inst
, 1);
3592 inst
->eventlogstuff
= eventlogstuff_new();
3594 inst
->term
= term_init(&inst
->cfg
, &inst
->ucsdata
, inst
);
3595 inst
->logctx
= log_init(inst
, &inst
->cfg
);
3596 term_provide_logctx(inst
->term
, inst
->logctx
);
3600 term_size(inst
->term
, inst
->cfg
.height
, inst
->cfg
.width
, inst
->cfg
.savelines
);
3602 start_backend(inst
);
3604 ldisc_send(inst
->ldisc
, NULL
, 0, 0);/* cause ldisc to notice changes */
3606 /* now we're reday to deal with the child exit handler being
3608 block_signal(SIGCHLD
, 0);
3611 * Block SIGPIPE: if we attempt Duplicate Session or similar
3612 * and it falls over in some way, we certainly don't want
3613 * SIGPIPE terminating the main pterm/PuTTY. Note that we do
3614 * this _after_ (at least pterm) forks off its child process,
3615 * since the child wants SIGPIPE handled in the usual way.
3617 block_signal(SIGPIPE
, 1);
3619 inst
->exited
= FALSE
;