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 /* Dummy routine, only required in plink. */
171 void ldisc_update(void *frontend
, int echo
, int edit
)
175 char *get_ttymode(void *frontend
, const char *mode
)
177 struct gui_data
*inst
= (struct gui_data
*)frontend
;
178 return term_get_ttymode(inst
->term
, mode
);
181 int from_backend(void *frontend
, int is_stderr
, const char *data
, int len
)
183 struct gui_data
*inst
= (struct gui_data
*)frontend
;
184 return term_data(inst
->term
, is_stderr
, data
, len
);
187 int from_backend_untrusted(void *frontend
, const char *data
, int len
)
189 struct gui_data
*inst
= (struct gui_data
*)frontend
;
190 return term_data_untrusted(inst
->term
, data
, len
);
193 int get_userpass_input(prompts_t
*p
, unsigned char *in
, int inlen
)
195 struct gui_data
*inst
= (struct gui_data
*)p
->frontend
;
197 ret
= cmdline_get_passwd_input(p
, in
, inlen
);
199 ret
= term_get_userpass_input(inst
->term
, p
, in
, inlen
);
203 void logevent(void *frontend
, const char *string
)
205 struct gui_data
*inst
= (struct gui_data
*)frontend
;
207 log_eventlog(inst
->logctx
, string
);
209 logevent_dlg(inst
->eventlogstuff
, string
);
212 int font_dimension(void *frontend
, int which
)/* 0 for width, 1 for height */
214 struct gui_data
*inst
= (struct gui_data
*)frontend
;
217 return inst
->font_height
;
219 return inst
->font_width
;
223 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
224 * into a cooked one (SELECT, EXTEND, PASTE).
226 * In Unix, this is not configurable; the X button arrangement is
227 * rock-solid across all applications, everyone has a three-button
228 * mouse or a means of faking it, and there is no need to switch
229 * buttons around at all.
231 static Mouse_Button
translate_button(Mouse_Button button
)
233 /* struct gui_data *inst = (struct gui_data *)frontend; */
235 if (button
== MBT_LEFT
)
237 if (button
== MBT_MIDDLE
)
239 if (button
== MBT_RIGHT
)
241 return 0; /* shouldn't happen */
245 * Return the top-level GtkWindow associated with a particular
246 * front end instance.
248 void *get_window(void *frontend
)
250 struct gui_data
*inst
= (struct gui_data
*)frontend
;
255 * Minimise or restore the window in response to a server-side
258 void set_iconic(void *frontend
, int iconic
)
261 * GTK 1.2 doesn't know how to do this.
263 #if GTK_CHECK_VERSION(2,0,0)
264 struct gui_data
*inst
= (struct gui_data
*)frontend
;
266 gtk_window_iconify(GTK_WINDOW(inst
->window
));
268 gtk_window_deiconify(GTK_WINDOW(inst
->window
));
273 * Move the window in response to a server-side request.
275 void move_window(void *frontend
, int x
, int y
)
277 struct gui_data
*inst
= (struct gui_data
*)frontend
;
279 * I assume that when the GTK version of this call is available
280 * we should use it. Not sure how it differs from the GDK one,
283 #if GTK_CHECK_VERSION(2,0,0)
284 gtk_window_move(GTK_WINDOW(inst
->window
), x
, y
);
286 gdk_window_move(inst
->window
->window
, x
, y
);
291 * Move the window to the top or bottom of the z-order in response
292 * to a server-side request.
294 void set_zorder(void *frontend
, int top
)
296 struct gui_data
*inst
= (struct gui_data
*)frontend
;
298 gdk_window_raise(inst
->window
->window
);
300 gdk_window_lower(inst
->window
->window
);
304 * Refresh the window in response to a server-side request.
306 void refresh_window(void *frontend
)
308 struct gui_data
*inst
= (struct gui_data
*)frontend
;
309 term_invalidate(inst
->term
);
313 * Maximise or restore the window in response to a server-side
316 void set_zoomed(void *frontend
, int zoomed
)
319 * GTK 1.2 doesn't know how to do this.
321 #if GTK_CHECK_VERSION(2,0,0)
322 struct gui_data
*inst
= (struct gui_data
*)frontend
;
324 gtk_window_maximize(GTK_WINDOW(inst
->window
));
326 gtk_window_unmaximize(GTK_WINDOW(inst
->window
));
331 * Report whether the window is iconic, for terminal reports.
333 int is_iconic(void *frontend
)
335 struct gui_data
*inst
= (struct gui_data
*)frontend
;
336 return !gdk_window_is_viewable(inst
->window
->window
);
340 * Report the window's position, for terminal reports.
342 void get_window_pos(void *frontend
, int *x
, int *y
)
344 struct gui_data
*inst
= (struct gui_data
*)frontend
;
346 * I assume that when the GTK version of this call is available
347 * we should use it. Not sure how it differs from the GDK one,
350 #if GTK_CHECK_VERSION(2,0,0)
351 gtk_window_get_position(GTK_WINDOW(inst
->window
), x
, y
);
353 gdk_window_get_position(inst
->window
->window
, x
, y
);
358 * Report the window's pixel size, for terminal reports.
360 void get_window_pixels(void *frontend
, int *x
, int *y
)
362 struct gui_data
*inst
= (struct gui_data
*)frontend
;
364 * I assume that when the GTK version of this call is available
365 * we should use it. Not sure how it differs from the GDK one,
368 #if GTK_CHECK_VERSION(2,0,0)
369 gtk_window_get_size(GTK_WINDOW(inst
->window
), x
, y
);
371 gdk_window_get_size(inst
->window
->window
, x
, y
);
376 * Return the window or icon title.
378 char *get_window_title(void *frontend
, int icon
)
380 struct gui_data
*inst
= (struct gui_data
*)frontend
;
381 return icon ? inst
->icontitle
: inst
->wintitle
;
384 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
386 struct gui_data
*inst
= (struct gui_data
*)data
;
387 if (!inst
->exited
&& inst
->cfg
.warn_on_close
) {
388 if (!reallyclose(inst
))
394 static void update_mouseptr(struct gui_data
*inst
)
396 switch (inst
->busy_status
) {
398 if (!inst
->mouseptr_visible
) {
399 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
400 } else if (send_raw_mouse
) {
401 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
403 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
406 case BUSY_WAITING
: /* XXX can we do better? */
408 /* We always display these cursors. */
409 gdk_window_set_cursor(inst
->area
->window
, inst
->waitcursor
);
416 static void show_mouseptr(struct gui_data
*inst
, int show
)
418 if (!inst
->cfg
.hide_mouseptr
)
420 inst
->mouseptr_visible
= show
;
421 update_mouseptr(inst
);
424 void draw_backing_rect(struct gui_data
*inst
)
426 GdkGC
*gc
= gdk_gc_new(inst
->area
->window
);
427 gdk_gc_set_foreground(gc
, &inst
->cols
[258]); /* default background */
428 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
429 inst
->cfg
.width
* inst
->font_width
+ 2*inst
->cfg
.window_border
,
430 inst
->cfg
.height
* inst
->font_height
+ 2*inst
->cfg
.window_border
);
434 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
436 struct gui_data
*inst
= (struct gui_data
*)data
;
437 int w
, h
, need_size
= 0;
440 * See if the terminal size has changed, in which case we must
441 * let the terminal know.
443 w
= (event
->width
- 2*inst
->cfg
.window_border
) / inst
->font_width
;
444 h
= (event
->height
- 2*inst
->cfg
.window_border
) / inst
->font_height
;
445 if (w
!= inst
->width
|| h
!= inst
->height
) {
446 inst
->cfg
.width
= inst
->width
= w
;
447 inst
->cfg
.height
= inst
->height
= h
;
452 gdk_pixmap_unref(inst
->pixmap
);
456 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
457 (inst
->cfg
.width
* inst
->font_width
+
458 2*inst
->cfg
.window_border
),
459 (inst
->cfg
.height
* inst
->font_height
+
460 2*inst
->cfg
.window_border
), -1);
462 draw_backing_rect(inst
);
464 if (need_size
&& inst
->term
) {
465 term_size(inst
->term
, h
, w
, inst
->cfg
.savelines
);
469 term_invalidate(inst
->term
);
474 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
476 struct gui_data
*inst
= (struct gui_data
*)data
;
479 * Pass the exposed rectangle to terminal.c, which will call us
480 * back to do the actual painting.
483 gdk_draw_pixmap(widget
->window
,
484 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
486 event
->area
.x
, event
->area
.y
,
487 event
->area
.x
, event
->area
.y
,
488 event
->area
.width
, event
->area
.height
);
493 #define KEY_PRESSED(k) \
494 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
496 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
498 struct gui_data
*inst
= (struct gui_data
*)data
;
500 wchar_t ucsoutput
[2];
501 int ucsval
, start
, end
, special
, output_charset
, use_ucsoutput
;
503 /* Remember the timestamp. */
504 inst
->input_event_time
= event
->time
;
506 /* By default, nothing is generated. */
508 special
= use_ucsoutput
= FALSE
;
509 output_charset
= CS_ISO8859_1
;
512 * If Alt is being released after typing an Alt+numberpad
513 * sequence, we should generate the code that was typed.
515 * Note that we only do this if more than one key was actually
516 * pressed - I don't think Alt+NumPad4 should be ^D or that
517 * Alt+NumPad3 should be ^C, for example. There's no serious
518 * inconvenience in having to type a zero before a single-digit
521 if (event
->type
== GDK_KEY_RELEASE
&&
522 (event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
523 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
) &&
524 inst
->alt_keycode
>= 0 && inst
->alt_digits
> 1) {
526 printf("Alt key up, keycode = %d\n", inst
->alt_keycode
);
529 * FIXME: we might usefully try to do something clever here
530 * about interpreting the generated key code in a way that's
531 * appropriate to the line code page.
533 output
[0] = inst
->alt_keycode
;
538 if (event
->type
== GDK_KEY_PRESS
) {
542 printf("keypress: keyval = %04x, state = %08x; string =",
543 event
->keyval
, event
->state
);
544 for (i
= 0; event
->string
[i
]; i
++)
545 printf(" %02x", (unsigned char) event
->string
[i
]);
551 * NYI: Compose key (!!! requires Unicode faff before even trying)
555 * If Alt has just been pressed, we start potentially
556 * accumulating an Alt+numberpad code. We do this by
557 * setting alt_keycode to -1 (nothing yet but plausible).
559 if ((event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
560 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
)) {
561 inst
->alt_keycode
= -1;
562 inst
->alt_digits
= 0;
563 goto done
; /* this generates nothing else */
567 * If we're seeing a numberpad key press with Mod1 down,
568 * consider adding it to alt_keycode if that's sensible.
569 * Anything _else_ with Mod1 down cancels any possibility
570 * of an ALT keycode: we set alt_keycode to -2.
572 if ((event
->state
& GDK_MOD1_MASK
) && inst
->alt_keycode
!= -2) {
574 switch (event
->keyval
) {
575 case GDK_KP_0
: case GDK_KP_Insert
: digit
= 0; break;
576 case GDK_KP_1
: case GDK_KP_End
: digit
= 1; break;
577 case GDK_KP_2
: case GDK_KP_Down
: digit
= 2; break;
578 case GDK_KP_3
: case GDK_KP_Page_Down
: digit
= 3; break;
579 case GDK_KP_4
: case GDK_KP_Left
: digit
= 4; break;
580 case GDK_KP_5
: case GDK_KP_Begin
: digit
= 5; break;
581 case GDK_KP_6
: case GDK_KP_Right
: digit
= 6; break;
582 case GDK_KP_7
: case GDK_KP_Home
: digit
= 7; break;
583 case GDK_KP_8
: case GDK_KP_Up
: digit
= 8; break;
584 case GDK_KP_9
: case GDK_KP_Page_Up
: digit
= 9; break;
587 inst
->alt_keycode
= -2; /* it's invalid */
590 printf("Adding digit %d to keycode %d", digit
,
593 if (inst
->alt_keycode
== -1)
594 inst
->alt_keycode
= digit
; /* one-digit code */
596 inst
->alt_keycode
= inst
->alt_keycode
* 10 + digit
;
599 printf(" gives new code %d\n", inst
->alt_keycode
);
601 /* Having used this digit, we now do nothing more with it. */
607 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
610 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
611 term_scroll(inst
->term
, 0, -inst
->cfg
.height
/2);
614 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_CONTROL_MASK
)) {
615 term_scroll(inst
->term
, 0, -1);
618 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
619 term_scroll(inst
->term
, 0, +inst
->cfg
.height
/2);
622 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_CONTROL_MASK
)) {
623 term_scroll(inst
->term
, 0, +1);
628 * Neither does Shift-Ins.
630 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
636 use_ucsoutput
= FALSE
;
638 /* ALT+things gives leading Escape. */
640 #if !GTK_CHECK_VERSION(2,0,0)
642 * In vanilla X, and hence also GDK 1.2, the string received
643 * as part of a keyboard event is assumed to be in
644 * ISO-8859-1. (Seems woefully shortsighted in i18n terms,
645 * but it's true: see the man page for XLookupString(3) for
648 output_charset
= CS_ISO8859_1
;
649 strncpy(output
+1, event
->string
, lenof(output
)-1);
652 * GDK 2.0 arranges to have done some translation for us: in
653 * GDK 2.0, event->string is encoded in the current locale.
655 * (However, it's also deprecated; we really ought to be
656 * using a GTKIMContext.)
658 * So we use the standard C library function mbstowcs() to
659 * convert from the current locale into Unicode; from there
660 * we can convert to whatever PuTTY is currently working in.
661 * (In fact I convert straight back to UTF-8 from
662 * wide-character Unicode, for the sake of simplicity: that
663 * way we can still use exactly the same code to manipulate
664 * the string, such as prefixing ESC.)
666 output_charset
= CS_UTF8
;
668 wchar_t widedata
[32], *wp
;
672 wlen
= mb_to_wc(DEFAULT_CODEPAGE
, 0,
673 event
->string
, strlen(event
->string
),
674 widedata
, lenof(widedata
)-1);
677 ulen
= charset_from_unicode(&wp
, &wlen
, output
+1, lenof(output
)-2,
678 CS_UTF8
, NULL
, NULL
, 0);
679 output
[1+ulen
] = '\0';
684 (ucsval
= keysym_to_unicode(event
->keyval
)) >= 0) {
685 ucsoutput
[0] = '\033';
686 ucsoutput
[1] = ucsval
;
687 use_ucsoutput
= TRUE
;
690 output
[lenof(output
)-1] = '\0';
691 end
= strlen(output
);
693 if (event
->state
& GDK_MOD1_MASK
) {
695 if (end
== 1) end
= 0;
699 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
700 if (!output
[1] && event
->keyval
== '`' &&
701 (event
->state
& GDK_CONTROL_MASK
)) {
703 use_ucsoutput
= FALSE
;
707 /* Control-Break sends a Break special to the backend */
708 if (event
->keyval
== GDK_Break
&&
709 (event
->state
& GDK_CONTROL_MASK
)) {
711 inst
->back
->special(inst
->backhandle
, TS_BRK
);
715 /* We handle Return ourselves, because it needs to be flagged as
716 * special to ldisc. */
717 if (event
->keyval
== GDK_Return
) {
719 use_ucsoutput
= FALSE
;
724 /* Control-2, Control-Space and Control-@ are NUL */
726 (event
->keyval
== ' ' || event
->keyval
== '2' ||
727 event
->keyval
== '@') &&
728 (event
->state
& (GDK_SHIFT_MASK
|
729 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
731 use_ucsoutput
= FALSE
;
735 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
736 if (!output
[1] && event
->keyval
== ' ' &&
737 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
738 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
740 output_charset
= CS_ISO8859_1
;
741 use_ucsoutput
= FALSE
;
745 /* We don't let GTK tell us what Backspace is! We know better. */
746 if (event
->keyval
== GDK_BackSpace
&&
747 !(event
->state
& GDK_SHIFT_MASK
)) {
748 output
[1] = inst
->cfg
.bksp_is_delete ?
'\x7F' : '\x08';
749 use_ucsoutput
= FALSE
;
753 /* For Shift Backspace, do opposite of what is configured. */
754 if (event
->keyval
== GDK_BackSpace
&&
755 (event
->state
& GDK_SHIFT_MASK
)) {
756 output
[1] = inst
->cfg
.bksp_is_delete ?
'\x08' : '\x7F';
757 use_ucsoutput
= FALSE
;
762 /* Shift-Tab is ESC [ Z */
763 if (event
->keyval
== GDK_ISO_Left_Tab
||
764 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
765 end
= 1 + sprintf(output
+1, "\033[Z");
766 use_ucsoutput
= FALSE
;
768 /* And normal Tab is Tab, if the keymap hasn't already told us.
769 * (Curiously, at least one version of the MacOS 10.5 X server
770 * doesn't translate Tab for us. */
771 if (event
->keyval
== GDK_Tab
&& end
<= 1) {
777 * NetHack keypad mode.
779 if (inst
->cfg
.nethack_keypad
) {
781 switch (event
->keyval
) {
782 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB\002"; break;
783 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ\012"; break;
784 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN\016"; break;
785 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH\010"; break;
786 case GDK_KP_5
: case GDK_KP_Begin
: keys
= "..."; break;
787 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL\014"; break;
788 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY\031"; break;
789 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK\013"; break;
790 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU\025"; break;
794 if (event
->state
& GDK_CONTROL_MASK
)
796 else if (event
->state
& GDK_SHIFT_MASK
)
800 use_ucsoutput
= FALSE
;
806 * Application keypad mode.
808 if (inst
->term
->app_keypad_keys
&& !inst
->cfg
.no_applic_k
) {
810 switch (event
->keyval
) {
811 case GDK_Num_Lock
: xkey
= 'P'; break;
812 case GDK_KP_Divide
: xkey
= 'Q'; break;
813 case GDK_KP_Multiply
: xkey
= 'R'; break;
814 case GDK_KP_Subtract
: xkey
= 'S'; break;
816 * Keypad + is tricky. It covers a space that would
817 * be taken up on the VT100 by _two_ keys; so we
818 * let Shift select between the two. Worse still,
819 * in xterm function key mode we change which two...
822 if (inst
->cfg
.funky_type
== FUNKY_XTERM
) {
823 if (event
->state
& GDK_SHIFT_MASK
)
827 } else if (event
->state
& GDK_SHIFT_MASK
)
832 case GDK_KP_Enter
: xkey
= 'M'; break;
833 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
834 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
835 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
836 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
837 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
838 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
839 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
840 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
841 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
842 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
843 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
846 if (inst
->term
->vt52_mode
) {
847 if (xkey
>= 'P' && xkey
<= 'S')
848 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
850 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
852 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
853 use_ucsoutput
= FALSE
;
859 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
860 * for integer decimal nn.)
862 * We also deal with the weird ones here. Linux VCs replace F1
863 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
864 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
869 switch (event
->keyval
) {
871 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
874 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
877 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
880 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
883 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
886 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
889 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
892 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
895 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
898 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
931 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
932 case GDK_Home
: case GDK_KP_Home
:
935 case GDK_Insert
: case GDK_KP_Insert
:
938 case GDK_Delete
: case GDK_KP_Delete
:
941 case GDK_End
: case GDK_KP_End
:
944 case GDK_Page_Up
: case GDK_KP_Page_Up
:
947 case GDK_Page_Down
: case GDK_KP_Page_Down
:
951 /* Reorder edit keys to physical order */
952 if (inst
->cfg
.funky_type
== FUNKY_VT400
&& code
<= 6)
953 code
= "\0\2\1\4\5\3\6"[code
];
955 if (inst
->term
->vt52_mode
&& code
> 0 && code
<= 6) {
956 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
957 use_ucsoutput
= FALSE
;
961 if (inst
->cfg
.funky_type
== FUNKY_SCO
&& /* SCO function keys */
962 code
>= 11 && code
<= 34) {
963 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
965 switch (event
->keyval
) {
966 case GDK_F1
: index
= 0; break;
967 case GDK_F2
: index
= 1; break;
968 case GDK_F3
: index
= 2; break;
969 case GDK_F4
: index
= 3; break;
970 case GDK_F5
: index
= 4; break;
971 case GDK_F6
: index
= 5; break;
972 case GDK_F7
: index
= 6; break;
973 case GDK_F8
: index
= 7; break;
974 case GDK_F9
: index
= 8; break;
975 case GDK_F10
: index
= 9; break;
976 case GDK_F11
: index
= 10; break;
977 case GDK_F12
: index
= 11; break;
979 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
980 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
981 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
982 use_ucsoutput
= FALSE
;
985 if (inst
->cfg
.funky_type
== FUNKY_SCO
&& /* SCO small keypad */
986 code
>= 1 && code
<= 6) {
987 char codes
[] = "HL.FIG";
992 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
994 use_ucsoutput
= FALSE
;
997 if ((inst
->term
->vt52_mode
|| inst
->cfg
.funky_type
== FUNKY_VT100P
) &&
998 code
>= 11 && code
<= 24) {
1004 if (inst
->term
->vt52_mode
)
1005 end
= 1 + sprintf(output
+1,
1006 "\x1B%c", code
+ 'P' - 11 - offt
);
1008 end
= 1 + sprintf(output
+1,
1009 "\x1BO%c", code
+ 'P' - 11 - offt
);
1010 use_ucsoutput
= FALSE
;
1013 if (inst
->cfg
.funky_type
== FUNKY_LINUX
&& code
>= 11 && code
<= 15) {
1014 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
1015 use_ucsoutput
= FALSE
;
1018 if (inst
->cfg
.funky_type
== FUNKY_XTERM
&& code
>= 11 && code
<= 14) {
1019 if (inst
->term
->vt52_mode
)
1020 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
1022 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
1023 use_ucsoutput
= FALSE
;
1026 if (inst
->cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
1027 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
1028 use_ucsoutput
= FALSE
;
1032 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
1033 use_ucsoutput
= FALSE
;
1039 * Cursor keys. (This includes the numberpad cursor keys,
1040 * if we haven't already done them due to app keypad mode.)
1042 * Here we also process un-numlocked un-appkeypadded KP5,
1043 * which sends ESC [ G.
1047 switch (event
->keyval
) {
1048 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
1049 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
1050 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
1051 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
1052 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
1055 end
= 1 + format_arrow_key(output
+1, inst
->term
, xkey
,
1056 event
->state
& GDK_CONTROL_MASK
);
1057 use_ucsoutput
= FALSE
;
1066 if (end
-start
> 0) {
1067 #ifdef KEY_DEBUGGING
1069 printf("generating sequence:");
1070 for (i
= start
; i
< end
; i
++)
1071 printf(" %02x", (unsigned char) output
[i
]);
1077 * For special control characters, the character set
1078 * should never matter.
1080 output
[end
] = '\0'; /* NUL-terminate */
1082 ldisc_send(inst
->ldisc
, output
+start
, -2, 1);
1083 } else if (!inst
->direct_to_font
) {
1084 if (!use_ucsoutput
) {
1086 lpage_send(inst
->ldisc
, output_charset
, output
+start
,
1090 * We generated our own Unicode key data from the
1091 * keysym, so use that instead.
1094 luni_send(inst
->ldisc
, ucsoutput
+start
, end
-start
, 1);
1098 * In direct-to-font mode, we just send the string
1099 * exactly as we received it.
1102 ldisc_send(inst
->ldisc
, output
+start
, end
-start
, 1);
1105 show_mouseptr(inst
, 0);
1106 term_seen_key_event(inst
->term
);
1112 gboolean
button_internal(struct gui_data
*inst
, guint32 timestamp
,
1113 GdkEventType type
, guint ebutton
, guint state
,
1114 gdouble ex
, gdouble ey
)
1116 int shift
, ctrl
, alt
, x
, y
, button
, act
;
1118 /* Remember the timestamp. */
1119 inst
->input_event_time
= timestamp
;
1121 show_mouseptr(inst
, 1);
1123 if (ebutton
== 4 && type
== GDK_BUTTON_PRESS
) {
1124 term_scroll(inst
->term
, 0, -5);
1127 if (ebutton
== 5 && type
== GDK_BUTTON_PRESS
) {
1128 term_scroll(inst
->term
, 0, +5);
1132 shift
= state
& GDK_SHIFT_MASK
;
1133 ctrl
= state
& GDK_CONTROL_MASK
;
1134 alt
= state
& GDK_MOD1_MASK
;
1136 if (ebutton
== 3 && ctrl
) {
1137 gtk_menu_popup(GTK_MENU(inst
->menu
), NULL
, NULL
, NULL
, NULL
,
1138 ebutton
, timestamp
);
1144 else if (ebutton
== 2)
1145 button
= MBT_MIDDLE
;
1146 else if (ebutton
== 3)
1149 return FALSE
; /* don't even know what button! */
1152 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
1153 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
1154 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
1155 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
1156 default: return FALSE
; /* don't know this event type */
1159 if (send_raw_mouse
&& !(inst
->cfg
.mouse_override
&& shift
) &&
1160 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
1161 return TRUE
; /* we ignore these in raw mouse mode */
1163 x
= (ex
- inst
->cfg
.window_border
) / inst
->font_width
;
1164 y
= (ey
- inst
->cfg
.window_border
) / inst
->font_height
;
1166 term_mouse(inst
->term
, button
, translate_button(button
), act
,
1167 x
, y
, shift
, ctrl
, alt
);
1172 gboolean
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
1174 struct gui_data
*inst
= (struct gui_data
*)data
;
1175 return button_internal(inst
, event
->time
, event
->type
, event
->button
,
1176 event
->state
, event
->x
, event
->y
);
1179 #if GTK_CHECK_VERSION(2,0,0)
1181 * In GTK 2, mouse wheel events have become a new type of event.
1182 * This handler translates them back into button-4 and button-5
1183 * presses so that I don't have to change my old code too much :-)
1185 gboolean
scroll_event(GtkWidget
*widget
, GdkEventScroll
*event
, gpointer data
)
1187 struct gui_data
*inst
= (struct gui_data
*)data
;
1190 if (event
->direction
== GDK_SCROLL_UP
)
1192 else if (event
->direction
== GDK_SCROLL_DOWN
)
1197 return button_internal(inst
, event
->time
, GDK_BUTTON_PRESS
,
1198 button
, event
->state
, event
->x
, event
->y
);
1202 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
1204 struct gui_data
*inst
= (struct gui_data
*)data
;
1205 int shift
, ctrl
, alt
, x
, y
, button
;
1207 /* Remember the timestamp. */
1208 inst
->input_event_time
= event
->time
;
1210 show_mouseptr(inst
, 1);
1212 shift
= event
->state
& GDK_SHIFT_MASK
;
1213 ctrl
= event
->state
& GDK_CONTROL_MASK
;
1214 alt
= event
->state
& GDK_MOD1_MASK
;
1215 if (event
->state
& GDK_BUTTON1_MASK
)
1217 else if (event
->state
& GDK_BUTTON2_MASK
)
1218 button
= MBT_MIDDLE
;
1219 else if (event
->state
& GDK_BUTTON3_MASK
)
1222 return FALSE
; /* don't even know what button! */
1224 x
= (event
->x
- inst
->cfg
.window_border
) / inst
->font_width
;
1225 y
= (event
->y
- inst
->cfg
.window_border
) / inst
->font_height
;
1227 term_mouse(inst
->term
, button
, translate_button(button
), MA_DRAG
,
1228 x
, y
, shift
, ctrl
, alt
);
1233 void frontend_keypress(void *handle
)
1235 struct gui_data
*inst
= (struct gui_data
*)handle
;
1238 * If our child process has exited but not closed, terminate on
1245 static gint
idle_exit_func(gpointer data
)
1247 struct gui_data
*inst
= (struct gui_data
*)data
;
1250 if (!inst
->exited
&&
1251 (exitcode
= inst
->back
->exitcode(inst
->backhandle
)) >= 0) {
1252 inst
->exited
= TRUE
;
1253 if (inst
->cfg
.close_on_exit
== FORCE_ON
||
1254 (inst
->cfg
.close_on_exit
== AUTO
&& exitcode
== 0))
1255 gtk_main_quit(); /* just go */
1257 ldisc_free(inst
->ldisc
);
1261 inst
->back
->free(inst
->backhandle
);
1262 inst
->backhandle
= NULL
;
1264 term_provide_resize_fn(inst
->term
, NULL
, NULL
);
1265 update_specials_menu(inst
);
1267 gtk_widget_set_sensitive(inst
->restartitem
, TRUE
);
1270 gtk_idle_remove(inst
->term_exit_idle_id
);
1274 void notify_remote_exit(void *frontend
)
1276 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1278 inst
->term_exit_idle_id
= gtk_idle_add(idle_exit_func
, inst
);
1281 static gint
timer_trigger(gpointer data
)
1283 long now
= GPOINTER_TO_SIZE(data
);
1287 if (run_timers(now
, &next
)) {
1288 ticks
= next
- GETTICKCOUNT();
1289 timer_id
= gtk_timeout_add(ticks
> 0 ? ticks
: 1, timer_trigger
,
1290 GSIZE_TO_POINTER(next
));
1294 * Never let a timer resume. If we need another one, we've
1295 * asked for it explicitly above.
1300 void timer_change_notify(long next
)
1305 gtk_timeout_remove(timer_id
);
1307 ticks
= next
- GETTICKCOUNT();
1309 ticks
= 1; /* just in case */
1311 timer_id
= gtk_timeout_add(ticks
, timer_trigger
,
1312 GSIZE_TO_POINTER(next
));
1315 void fd_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
1318 * We must process exceptional notifications before ordinary
1319 * readability ones, or we may go straight past the urgent
1322 if (condition
& GDK_INPUT_EXCEPTION
)
1323 select_result(sourcefd
, 4);
1324 if (condition
& GDK_INPUT_READ
)
1325 select_result(sourcefd
, 1);
1326 if (condition
& GDK_INPUT_WRITE
)
1327 select_result(sourcefd
, 2);
1330 void destroy(GtkWidget
*widget
, gpointer data
)
1335 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
1337 struct gui_data
*inst
= (struct gui_data
*)data
;
1338 term_set_focus(inst
->term
, event
->in
);
1339 term_update(inst
->term
);
1340 show_mouseptr(inst
, 1);
1344 void set_busy_status(void *frontend
, int status
)
1346 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1347 inst
->busy_status
= status
;
1348 update_mouseptr(inst
);
1352 * set or clear the "raw mouse message" mode
1354 void set_raw_mouse_mode(void *frontend
, int activate
)
1356 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1357 activate
= activate
&& !inst
->cfg
.no_mouse_rep
;
1358 send_raw_mouse
= activate
;
1359 update_mouseptr(inst
);
1362 void request_resize(void *frontend
, int w
, int h
)
1364 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1365 int large_x
, large_y
;
1366 int offset_x
, offset_y
;
1368 GtkRequisition inner
, outer
;
1371 * This is a heinous hack dreamed up by the gnome-terminal
1372 * people to get around a limitation in gtk. The problem is
1373 * that in order to set the size correctly we really need to be
1374 * calling gtk_window_resize - but that needs to know the size
1375 * of the _whole window_, not the drawing area. So what we do
1376 * is to set an artificially huge size request on the drawing
1377 * area, recompute the resulting size request on the window,
1378 * and look at the difference between the two. That gives us
1379 * the x and y offsets we need to translate drawing area size
1380 * into window size for real, and then we call
1381 * gtk_window_resize.
1385 * We start by retrieving the current size of the whole window.
1386 * Adding a bit to _that_ will give us a value we can use as a
1387 * bogus size request which guarantees to be bigger than the
1388 * current size of the drawing area.
1390 get_window_pixels(inst
, &large_x
, &large_y
);
1394 #if GTK_CHECK_VERSION(2,0,0)
1395 gtk_widget_set_size_request(inst
->area
, large_x
, large_y
);
1397 gtk_widget_set_usize(inst
->area
, large_x
, large_y
);
1399 gtk_widget_size_request(inst
->area
, &inner
);
1400 gtk_widget_size_request(inst
->window
, &outer
);
1402 offset_x
= outer
.width
- inner
.width
;
1403 offset_y
= outer
.height
- inner
.height
;
1405 area_x
= inst
->font_width
* w
+ 2*inst
->cfg
.window_border
;
1406 area_y
= inst
->font_height
* h
+ 2*inst
->cfg
.window_border
;
1409 * Now we must set the size request on the drawing area back to
1410 * something sensible before we commit the real resize. Best
1411 * way to do this, I think, is to set it to what the size is
1412 * really going to end up being.
1414 #if GTK_CHECK_VERSION(2,0,0)
1415 gtk_widget_set_size_request(inst
->area
, area_x
, area_y
);
1416 gtk_window_resize(GTK_WINDOW(inst
->window
),
1417 area_x
+ offset_x
, area_y
+ offset_y
);
1419 gtk_widget_set_usize(inst
->area
, area_x
, area_y
);
1420 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
), area_x
, area_y
);
1422 * I can no longer remember what this call to
1423 * gtk_container_dequeue_resize_handler is for. It was
1424 * introduced in r3092 with no comment, and the commit log
1425 * message was uninformative. I'm _guessing_ its purpose is to
1426 * prevent gratuitous resize processing on the window given
1427 * that we're about to resize it anyway, but I have no idea
1428 * why that's so incredibly vital.
1430 * I've tried removing the call, and nothing seems to go
1431 * wrong. I've backtracked to r3092 and tried removing the
1432 * call there, and still nothing goes wrong. So I'm going to
1433 * adopt the working hypothesis that it's superfluous; I won't
1434 * actually remove it from the GTK 1.2 code, but I won't
1435 * attempt to replicate its functionality in the GTK 2 code
1438 gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst
->window
));
1439 gdk_window_resize(inst
->window
->window
,
1440 area_x
+ offset_x
, area_y
+ offset_y
);
1444 static void real_palette_set(struct gui_data
*inst
, int n
, int r
, int g
, int b
)
1446 gboolean success
[1];
1448 inst
->cols
[n
].red
= r
* 0x0101;
1449 inst
->cols
[n
].green
= g
* 0x0101;
1450 inst
->cols
[n
].blue
= b
* 0x0101;
1452 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
+ n
, 1);
1453 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
1454 FALSE
, TRUE
, success
);
1456 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname
,
1460 void set_window_background(struct gui_data
*inst
)
1462 if (inst
->area
&& inst
->area
->window
)
1463 gdk_window_set_background(inst
->area
->window
, &inst
->cols
[258]);
1464 if (inst
->window
&& inst
->window
->window
)
1465 gdk_window_set_background(inst
->window
->window
, &inst
->cols
[258]);
1468 void palette_set(void *frontend
, int n
, int r
, int g
, int b
)
1470 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1473 if (n
> NALLCOLOURS
)
1475 real_palette_set(inst
, n
, r
, g
, b
);
1477 /* Default Background changed. Ensure space between text area and
1478 * window border is redrawn */
1479 set_window_background(inst
);
1480 draw_backing_rect(inst
);
1481 gtk_widget_queue_draw(inst
->area
);
1485 void palette_reset(void *frontend
)
1487 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1488 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1489 static const int ww
[] = {
1490 256, 257, 258, 259, 260, 261,
1491 0, 8, 1, 9, 2, 10, 3, 11,
1492 4, 12, 5, 13, 6, 14, 7, 15
1494 gboolean success
[NALLCOLOURS
];
1497 assert(lenof(ww
) == NCFGCOLOURS
);
1499 if (!inst
->colmap
) {
1500 inst
->colmap
= gdk_colormap_get_system();
1502 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NALLCOLOURS
);
1505 for (i
= 0; i
< NCFGCOLOURS
; i
++) {
1506 inst
->cols
[ww
[i
]].red
= inst
->cfg
.colours
[i
][0] * 0x0101;
1507 inst
->cols
[ww
[i
]].green
= inst
->cfg
.colours
[i
][1] * 0x0101;
1508 inst
->cols
[ww
[i
]].blue
= inst
->cfg
.colours
[i
][2] * 0x0101;
1511 for (i
= 0; i
< NEXTCOLOURS
; i
++) {
1513 int r
= i
/ 36, g
= (i
/ 6) % 6, b
= i
% 6;
1514 inst
->cols
[i
+16].red
= r ? r
* 0x2828 + 0x3737 : 0;
1515 inst
->cols
[i
+16].green
= g ? g
* 0x2828 + 0x3737 : 0;
1516 inst
->cols
[i
+16].blue
= b ? b
* 0x2828 + 0x3737 : 0;
1518 int shade
= i
- 216;
1519 shade
= shade
* 0x0a0a + 0x0808;
1520 inst
->cols
[i
+16].red
= inst
->cols
[i
+16].green
=
1521 inst
->cols
[i
+16].blue
= shade
;
1525 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NALLCOLOURS
,
1526 FALSE
, TRUE
, success
);
1527 for (i
= 0; i
< NALLCOLOURS
; i
++) {
1529 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
1530 appname
, i
, inst
->cfg
.colours
[i
][0],
1531 inst
->cfg
.colours
[i
][1], inst
->cfg
.colours
[i
][2]);
1534 /* Since Default Background may have changed, ensure that space
1535 * between text area and window border is refreshed. */
1536 set_window_background(inst
);
1537 if (inst
->area
&& inst
->area
->window
) {
1538 draw_backing_rect(inst
);
1539 gtk_widget_queue_draw(inst
->area
);
1543 /* Ensure that all the cut buffers exist - according to the ICCCM, we must
1544 * do this before we start using cut buffers.
1546 void init_cutbuffers()
1548 unsigned char empty
[] = "";
1549 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1550 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1551 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1552 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1553 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1554 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1555 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1556 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1557 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1558 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1559 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1560 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1561 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1562 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1563 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1564 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1567 /* Store the data in a cut-buffer. */
1568 void store_cutbuffer(char * ptr
, int len
)
1570 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1571 XRotateBuffers(GDK_DISPLAY(), 1);
1572 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
1575 /* Retrieve data from a cut-buffer.
1576 * Returned data needs to be freed with XFree().
1578 char * retrieve_cutbuffer(int * nbytes
)
1581 ptr
= XFetchBytes(GDK_DISPLAY(), nbytes
);
1582 if (*nbytes
<= 0 && ptr
!= 0) {
1589 void write_clip(void *frontend
, wchar_t * data
, int *attr
, int len
, int must_deselect
)
1591 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1592 if (inst
->pasteout_data
)
1593 sfree(inst
->pasteout_data
);
1594 if (inst
->pasteout_data_ctext
)
1595 sfree(inst
->pasteout_data_ctext
);
1596 if (inst
->pasteout_data_utf8
)
1597 sfree(inst
->pasteout_data_utf8
);
1600 * Set up UTF-8 and compound text paste data. This only happens
1601 * if we aren't in direct-to-font mode using the D800 hack.
1603 if (!inst
->direct_to_font
) {
1604 wchar_t *tmp
= data
;
1609 inst
->pasteout_data_utf8
= snewn(len
*6, char);
1610 inst
->pasteout_data_utf8_len
= len
*6;
1611 inst
->pasteout_data_utf8_len
=
1612 charset_from_unicode(&tmp
, &tmplen
, inst
->pasteout_data_utf8
,
1613 inst
->pasteout_data_utf8_len
,
1614 CS_UTF8
, NULL
, NULL
, 0);
1615 if (inst
->pasteout_data_utf8_len
== 0) {
1616 sfree(inst
->pasteout_data_utf8
);
1617 inst
->pasteout_data_utf8
= NULL
;
1619 inst
->pasteout_data_utf8
=
1620 sresize(inst
->pasteout_data_utf8
,
1621 inst
->pasteout_data_utf8_len
+ 1, char);
1622 inst
->pasteout_data_utf8
[inst
->pasteout_data_utf8_len
] = '\0';
1626 * Now let Xlib convert our UTF-8 data into compound text.
1628 list
[0] = inst
->pasteout_data_utf8
;
1629 if (Xutf8TextListToTextProperty(GDK_DISPLAY(), list
, 1,
1630 XCompoundTextStyle
, &tp
) == 0) {
1631 inst
->pasteout_data_ctext
= snewn(tp
.nitems
+1, char);
1632 memcpy(inst
->pasteout_data_ctext
, tp
.value
, tp
.nitems
);
1633 inst
->pasteout_data_ctext_len
= tp
.nitems
;
1636 inst
->pasteout_data_ctext
= NULL
;
1637 inst
->pasteout_data_ctext_len
= 0;
1640 inst
->pasteout_data_utf8
= NULL
;
1641 inst
->pasteout_data_utf8_len
= 0;
1642 inst
->pasteout_data_ctext
= NULL
;
1643 inst
->pasteout_data_ctext_len
= 0;
1646 inst
->pasteout_data
= snewn(len
*6, char);
1647 inst
->pasteout_data_len
= len
*6;
1648 inst
->pasteout_data_len
= wc_to_mb(inst
->ucsdata
.line_codepage
, 0,
1649 data
, len
, inst
->pasteout_data
,
1650 inst
->pasteout_data_len
,
1652 if (inst
->pasteout_data_len
== 0) {
1653 sfree(inst
->pasteout_data
);
1654 inst
->pasteout_data
= NULL
;
1656 inst
->pasteout_data
=
1657 sresize(inst
->pasteout_data
, inst
->pasteout_data_len
, char);
1660 store_cutbuffer(inst
->pasteout_data
, inst
->pasteout_data_len
);
1662 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
1663 inst
->input_event_time
)) {
1664 #if GTK_CHECK_VERSION(2,0,0)
1665 gtk_selection_clear_targets(inst
->area
, GDK_SELECTION_PRIMARY
);
1667 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1668 GDK_SELECTION_TYPE_STRING
, 1);
1669 if (inst
->pasteout_data_ctext
)
1670 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1671 compound_text_atom
, 1);
1672 if (inst
->pasteout_data_utf8
)
1673 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1674 utf8_string_atom
, 1);
1678 term_deselect(inst
->term
);
1681 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1682 guint info
, guint time_stamp
, gpointer data
)
1684 struct gui_data
*inst
= (struct gui_data
*)data
;
1685 if (seldata
->target
== utf8_string_atom
)
1686 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1687 (unsigned char *)inst
->pasteout_data_utf8
,
1688 inst
->pasteout_data_utf8_len
);
1689 else if (seldata
->target
== compound_text_atom
)
1690 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1691 (unsigned char *)inst
->pasteout_data_ctext
,
1692 inst
->pasteout_data_ctext_len
);
1694 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1695 (unsigned char *)inst
->pasteout_data
,
1696 inst
->pasteout_data_len
);
1699 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1702 struct gui_data
*inst
= (struct gui_data
*)data
;
1704 term_deselect(inst
->term
);
1705 if (inst
->pasteout_data
)
1706 sfree(inst
->pasteout_data
);
1707 if (inst
->pasteout_data_ctext
)
1708 sfree(inst
->pasteout_data_ctext
);
1709 if (inst
->pasteout_data_utf8
)
1710 sfree(inst
->pasteout_data_utf8
);
1711 inst
->pasteout_data
= NULL
;
1712 inst
->pasteout_data_len
= 0;
1713 inst
->pasteout_data_ctext
= NULL
;
1714 inst
->pasteout_data_ctext_len
= 0;
1715 inst
->pasteout_data_utf8
= NULL
;
1716 inst
->pasteout_data_utf8_len
= 0;
1720 void request_paste(void *frontend
)
1722 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1724 * In Unix, pasting is asynchronous: all we can do at the
1725 * moment is to call gtk_selection_convert(), and when the data
1726 * comes back _then_ we can call term_do_paste().
1729 if (!inst
->direct_to_font
) {
1731 * First we attempt to retrieve the selection as a UTF-8
1732 * string (which we will convert to the correct code page
1733 * before sending to the session, of course). If that
1734 * fails, selection_received() will be informed and will
1735 * fall back to an ordinary string.
1737 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1739 inst
->input_event_time
);
1742 * If we're in direct-to-font mode, we disable UTF-8
1743 * pasting, and go straight to ordinary string data.
1745 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1746 GDK_SELECTION_TYPE_STRING
,
1747 inst
->input_event_time
);
1751 gint
idle_paste_func(gpointer data
); /* forward ref */
1753 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1754 guint time
, gpointer data
)
1756 struct gui_data
*inst
= (struct gui_data
*)data
;
1760 int length
, count
, ret
;
1761 int free_list_required
= 0;
1762 int free_required
= 0;
1765 if (seldata
->target
== utf8_string_atom
&& seldata
->length
<= 0) {
1767 * Failed to get a UTF-8 selection string. Try compound
1770 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1772 inst
->input_event_time
);
1776 if (seldata
->target
== compound_text_atom
&& seldata
->length
<= 0) {
1778 * Failed to get UTF-8 or compound text. Try an ordinary
1781 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1782 GDK_SELECTION_TYPE_STRING
,
1783 inst
->input_event_time
);
1788 * If we have data, but it's not of a type we can deal with,
1789 * we have to ignore the data.
1791 if (seldata
->length
> 0 &&
1792 seldata
->type
!= GDK_SELECTION_TYPE_STRING
&&
1793 seldata
->type
!= compound_text_atom
&&
1794 seldata
->type
!= utf8_string_atom
)
1798 * If we have no data, try looking in a cut buffer.
1800 if (seldata
->length
<= 0) {
1801 text
= retrieve_cutbuffer(&length
);
1804 /* Xterm is rumoured to expect Latin-1, though I havn't checked the
1805 * source, so use that as a de-facto standard. */
1806 charset
= CS_ISO8859_1
;
1810 * Convert COMPOUND_TEXT into UTF-8.
1812 if (seldata
->type
== compound_text_atom
) {
1813 tp
.value
= seldata
->data
;
1814 tp
.encoding
= (Atom
) seldata
->type
;
1815 tp
.format
= seldata
->format
;
1816 tp
.nitems
= seldata
->length
;
1817 ret
= Xutf8TextPropertyToTextList(GDK_DISPLAY(), &tp
,
1819 if (ret
!= 0 || count
!= 1) {
1821 * Compound text failed; fall back to STRING.
1823 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1824 GDK_SELECTION_TYPE_STRING
,
1825 inst
->input_event_time
);
1829 length
= strlen(list
[0]);
1831 free_list_required
= 1;
1833 text
= (char *)seldata
->data
;
1834 length
= seldata
->length
;
1835 charset
= (seldata
->type
== utf8_string_atom ?
1836 CS_UTF8
: inst
->ucsdata
.line_codepage
);
1840 if (inst
->pastein_data
)
1841 sfree(inst
->pastein_data
);
1843 inst
->pastein_data
= snewn(length
, wchar_t);
1844 inst
->pastein_data_len
= length
;
1845 inst
->pastein_data_len
=
1846 mb_to_wc(charset
, 0, text
, length
,
1847 inst
->pastein_data
, inst
->pastein_data_len
);
1849 term_do_paste(inst
->term
);
1851 if (term_paste_pending(inst
->term
))
1852 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
1854 if (free_list_required
)
1855 XFreeStringList(list
);
1860 gint
idle_paste_func(gpointer data
)
1862 struct gui_data
*inst
= (struct gui_data
*)data
;
1864 if (term_paste_pending(inst
->term
))
1865 term_paste(inst
->term
);
1867 gtk_idle_remove(inst
->term_paste_idle_id
);
1873 void get_clip(void *frontend
, wchar_t ** p
, int *len
)
1875 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1878 *p
= inst
->pastein_data
;
1879 *len
= inst
->pastein_data_len
;
1883 static void set_window_titles(struct gui_data
*inst
)
1886 * We must always call set_icon_name after calling set_title,
1887 * since set_title will write both names. Irritating, but such
1890 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1891 if (!inst
->cfg
.win_name_always
)
1892 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1895 void set_title(void *frontend
, char *title
)
1897 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1898 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1899 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1900 set_window_titles(inst
);
1903 void set_icon(void *frontend
, char *title
)
1905 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1906 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1907 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1908 set_window_titles(inst
);
1911 void set_sbar(void *frontend
, int total
, int start
, int page
)
1913 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1914 if (!inst
->cfg
.scrollbar
)
1916 inst
->sbar_adjust
->lower
= 0;
1917 inst
->sbar_adjust
->upper
= total
;
1918 inst
->sbar_adjust
->value
= start
;
1919 inst
->sbar_adjust
->page_size
= page
;
1920 inst
->sbar_adjust
->step_increment
= 1;
1921 inst
->sbar_adjust
->page_increment
= page
/2;
1922 inst
->ignore_sbar
= TRUE
;
1923 gtk_adjustment_changed(inst
->sbar_adjust
);
1924 inst
->ignore_sbar
= FALSE
;
1927 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1929 struct gui_data
*inst
= (struct gui_data
*)data
;
1931 if (!inst
->cfg
.scrollbar
)
1933 if (!inst
->ignore_sbar
)
1934 term_scroll(inst
->term
, 1, (int)adj
->value
);
1937 void sys_cursor(void *frontend
, int x
, int y
)
1940 * This is meaningless under X.
1945 * This is still called when mode==BELL_VISUAL, even though the
1946 * visual bell is handled entirely within terminal.c, because we
1947 * may want to perform additional actions on any kind of bell (for
1948 * example, taskbar flashing in Windows).
1950 void do_beep(void *frontend
, int mode
)
1952 if (mode
== BELL_DEFAULT
)
1956 int char_width(Context ctx
, int uc
)
1959 * Under X, any fixed-width font really _is_ fixed-width.
1960 * Double-width characters will be dealt with using a separate
1961 * font. For the moment we can simply return 1.
1963 * FIXME: but is that also true of Pango?
1968 Context
get_ctx(void *frontend
)
1970 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1971 struct draw_ctx
*dctx
;
1973 if (!inst
->area
->window
)
1976 dctx
= snew(struct draw_ctx
);
1978 dctx
->gc
= gdk_gc_new(inst
->area
->window
);
1982 void free_ctx(Context ctx
)
1984 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1985 /* struct gui_data *inst = dctx->inst; */
1986 GdkGC
*gc
= dctx
->gc
;
1992 * Draw a line of text in the window, at given character
1993 * coordinates, in given attributes.
1995 * We are allowed to fiddle with the contents of `text'.
1997 void do_text_internal(Context ctx
, int x
, int y
, wchar_t *text
, int len
,
1998 unsigned long attr
, int lattr
)
2000 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2001 struct gui_data
*inst
= dctx
->inst
;
2002 GdkGC
*gc
= dctx
->gc
;
2003 int ncombining
, combining
;
2004 int nfg
, nbg
, t
, fontid
, shadow
, rlen
, widefactor
, bold
;
2005 int monochrome
= gtk_widget_get_visual(inst
->area
)->depth
== 1;
2007 if (attr
& TATTR_COMBINING
) {
2013 nfg
= ((monochrome ? ATTR_DEFFG
: (attr
& ATTR_FGMASK
)) >> ATTR_FGSHIFT
);
2014 nbg
= ((monochrome ? ATTR_DEFBG
: (attr
& ATTR_BGMASK
)) >> ATTR_BGSHIFT
);
2015 if (!!(attr
& ATTR_REVERSE
) ^ (monochrome
&& (attr
& TATTR_ACTCURS
))) {
2020 if (inst
->cfg
.bold_colour
&& (attr
& ATTR_BOLD
)) {
2021 if (nfg
< 16) nfg
|= 8;
2022 else if (nfg
>= 256) nfg
|= 1;
2024 if (inst
->cfg
.bold_colour
&& (attr
& ATTR_BLINK
)) {
2025 if (nbg
< 16) nbg
|= 8;
2026 else if (nbg
>= 256) nbg
|= 1;
2028 if ((attr
& TATTR_ACTCURS
) && !monochrome
) {
2033 fontid
= shadow
= 0;
2035 if (attr
& ATTR_WIDE
) {
2042 if ((attr
& ATTR_BOLD
) && !inst
->cfg
.bold_colour
) {
2049 if (!inst
->fonts
[fontid
]) {
2052 * Fall back through font ids with subsets of this one's
2053 * set bits, in order.
2055 for (i
= fontid
; i
-- > 0 ;) {
2057 continue; /* some other bit is set */
2058 if (inst
->fonts
[i
]) {
2063 assert(inst
->fonts
[fontid
]); /* we should at least have hit zero */
2066 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2068 if (x
>= inst
->term
->cols
)
2070 if (x
+ len
*2*widefactor
> inst
->term
->cols
)
2071 len
= (inst
->term
->cols
-x
)/2/widefactor
;/* trim to LH half */
2079 r
.x
= x
*inst
->font_width
+inst
->cfg
.window_border
;
2080 r
.y
= y
*inst
->font_height
+inst
->cfg
.window_border
;
2081 r
.width
= rlen
*widefactor
*inst
->font_width
;
2082 r
.height
= inst
->font_height
;
2083 gdk_gc_set_clip_rectangle(gc
, &r
);
2086 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
2087 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
2088 x
*inst
->font_width
+inst
->cfg
.window_border
,
2089 y
*inst
->font_height
+inst
->cfg
.window_border
,
2090 rlen
*widefactor
*inst
->font_width
, inst
->font_height
);
2092 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
2097 * FIXME: this length is hardwired on the assumption that
2098 * conversions from wide to multibyte characters will
2099 * never generate more than 10 bytes for a single wide
2102 gcs
= snewn(len
*10+1, gchar
);
2104 for (combining
= 0; combining
< ncombining
; combining
++) {
2105 int mblen
= wc_to_mb(inst
->fonts
[fontid
]->real_charset
, 0,
2106 text
+ combining
, len
, gcs
, len
*10+1, ".",
2108 unifont_draw_text(inst
->pixmap
, gc
, inst
->fonts
[fontid
],
2109 x
*inst
->font_width
+inst
->cfg
.window_border
,
2110 y
*inst
->font_height
+inst
->cfg
.window_border
+inst
->fonts
[0]->ascent
,
2111 gcs
, mblen
, widefactor
> 1, bold
, inst
->font_width
);
2117 if (attr
& ATTR_UNDER
) {
2118 int uheight
= inst
->fonts
[0]->ascent
+ 1;
2119 if (uheight
>= inst
->font_height
)
2120 uheight
= inst
->font_height
- 1;
2121 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+inst
->cfg
.window_border
,
2122 y
*inst
->font_height
+ uheight
+ inst
->cfg
.window_border
,
2123 (x
+len
)*widefactor
*inst
->font_width
-1+inst
->cfg
.window_border
,
2124 y
*inst
->font_height
+ uheight
+ inst
->cfg
.window_border
);
2127 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2129 * I can't find any plausible StretchBlt equivalent in the
2130 * X server, so I'm going to do this the slow and painful
2131 * way. This will involve repeated calls to
2132 * gdk_draw_pixmap() to stretch the text horizontally. It's
2133 * O(N^2) in time and O(N) in network bandwidth, but you
2134 * try thinking of a better way. :-(
2137 for (i
= 0; i
< len
* widefactor
* inst
->font_width
; i
++) {
2138 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
2139 x
*inst
->font_width
+inst
->cfg
.window_border
+ 2*i
,
2140 y
*inst
->font_height
+inst
->cfg
.window_border
,
2141 x
*inst
->font_width
+inst
->cfg
.window_border
+ 2*i
+1,
2142 y
*inst
->font_height
+inst
->cfg
.window_border
,
2143 len
* widefactor
* inst
->font_width
- i
, inst
->font_height
);
2146 if ((lattr
& LATTR_MODE
) != LATTR_WIDE
) {
2148 /* Now stretch vertically, in the same way. */
2149 if ((lattr
& LATTR_MODE
) == LATTR_BOT
)
2153 for (i
= 0; i
< inst
->font_height
; i
+=2) {
2154 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
2155 x
*inst
->font_width
+inst
->cfg
.window_border
,
2156 y
*inst
->font_height
+inst
->cfg
.window_border
+dt
*i
+db
,
2157 x
*inst
->font_width
+inst
->cfg
.window_border
,
2158 y
*inst
->font_height
+inst
->cfg
.window_border
+dt
*(i
+1),
2159 len
* widefactor
* inst
->font_width
, inst
->font_height
-i
-1);
2165 void do_text(Context ctx
, int x
, int y
, wchar_t *text
, int len
,
2166 unsigned long attr
, int lattr
)
2168 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2169 struct gui_data
*inst
= dctx
->inst
;
2170 GdkGC
*gc
= dctx
->gc
;
2173 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
2175 if (attr
& ATTR_WIDE
) {
2181 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2183 if (x
>= inst
->term
->cols
)
2185 if (x
+ len
*2*widefactor
> inst
->term
->cols
)
2186 len
= (inst
->term
->cols
-x
)/2/widefactor
;/* trim to LH half */
2190 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
2191 x
*inst
->font_width
+inst
->cfg
.window_border
,
2192 y
*inst
->font_height
+inst
->cfg
.window_border
,
2193 x
*inst
->font_width
+inst
->cfg
.window_border
,
2194 y
*inst
->font_height
+inst
->cfg
.window_border
,
2195 len
*widefactor
*inst
->font_width
, inst
->font_height
);
2198 void do_cursor(Context ctx
, int x
, int y
, wchar_t *text
, int len
,
2199 unsigned long attr
, int lattr
)
2201 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
2202 struct gui_data
*inst
= dctx
->inst
;
2203 GdkGC
*gc
= dctx
->gc
;
2205 int active
, passive
, widefactor
;
2207 if (attr
& TATTR_PASCURS
) {
2208 attr
&= ~TATTR_PASCURS
;
2212 if ((attr
& TATTR_ACTCURS
) && inst
->cfg
.cursor_type
!= 0) {
2213 attr
&= ~TATTR_ACTCURS
;
2217 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
2219 if (attr
& TATTR_COMBINING
)
2222 if (attr
& ATTR_WIDE
) {
2228 if ((lattr
& LATTR_MODE
) != LATTR_NORM
) {
2230 if (x
>= inst
->term
->cols
)
2232 if (x
+ len
*2*widefactor
> inst
->term
->cols
)
2233 len
= (inst
->term
->cols
-x
)/2/widefactor
;/* trim to LH half */
2237 if (inst
->cfg
.cursor_type
== 0) {
2239 * An active block cursor will already have been done by
2240 * the above do_text call, so we only need to do anything
2244 gdk_gc_set_foreground(gc
, &inst
->cols
[261]);
2245 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
2246 x
*inst
->font_width
+inst
->cfg
.window_border
,
2247 y
*inst
->font_height
+inst
->cfg
.window_border
,
2248 len
*widefactor
*inst
->font_width
-1, inst
->font_height
-1);
2252 int startx
, starty
, dx
, dy
, length
, i
;
2256 if ((attr
& ATTR_WIDE
) || (lattr
& LATTR_MODE
) != LATTR_NORM
)
2257 char_width
= 2*inst
->font_width
;
2259 char_width
= inst
->font_width
;
2261 if (inst
->cfg
.cursor_type
== 1) {
2262 uheight
= inst
->fonts
[0]->ascent
+ 1;
2263 if (uheight
>= inst
->font_height
)
2264 uheight
= inst
->font_height
- 1;
2266 startx
= x
* inst
->font_width
+ inst
->cfg
.window_border
;
2267 starty
= y
* inst
->font_height
+ inst
->cfg
.window_border
+ uheight
;
2270 length
= len
* widefactor
* char_width
;
2273 if (attr
& TATTR_RIGHTCURS
)
2274 xadjust
= char_width
- 1;
2275 startx
= x
* inst
->font_width
+ inst
->cfg
.window_border
+ xadjust
;
2276 starty
= y
* inst
->font_height
+ inst
->cfg
.window_border
;
2279 length
= inst
->font_height
;
2282 gdk_gc_set_foreground(gc
, &inst
->cols
[261]);
2284 for (i
= 0; i
< length
; i
++) {
2286 gdk_draw_point(inst
->pixmap
, gc
, startx
, starty
);
2291 } else if (active
) {
2292 gdk_draw_line(inst
->pixmap
, gc
, startx
, starty
,
2293 startx
+ (length
-1) * dx
, starty
+ (length
-1) * dy
);
2294 } /* else no cursor (e.g., blinked off) */
2297 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
2298 x
*inst
->font_width
+inst
->cfg
.window_border
,
2299 y
*inst
->font_height
+inst
->cfg
.window_border
,
2300 x
*inst
->font_width
+inst
->cfg
.window_border
,
2301 y
*inst
->font_height
+inst
->cfg
.window_border
,
2302 len
*widefactor
*inst
->font_width
, inst
->font_height
);
2305 GdkCursor
*make_mouse_ptr(struct gui_data
*inst
, int cursor_val
)
2308 * Truly hideous hack: GTK doesn't allow us to set the mouse
2309 * cursor foreground and background colours unless we've _also_
2310 * created our own cursor from bitmaps. Therefore, I need to
2311 * load the `cursor' font and draw glyphs from it on to
2312 * pixmaps, in order to construct my cursors with the fg and bg
2313 * I want. This is a gross hack, but it's more self-contained
2314 * than linking in Xlib to find the X window handle to
2315 * inst->area and calling XRecolorCursor, and it's more
2316 * futureproof than hard-coding the shapes as bitmap arrays.
2318 static GdkFont
*cursor_font
= NULL
;
2319 GdkPixmap
*source
, *mask
;
2321 GdkColor cfg
= { 0, 65535, 65535, 65535 };
2322 GdkColor cbg
= { 0, 0, 0, 0 };
2323 GdkColor dfg
= { 1, 65535, 65535, 65535 };
2324 GdkColor dbg
= { 0, 0, 0, 0 };
2327 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
2329 if (cursor_val
== -2) {
2330 gdk_font_unref(cursor_font
);
2334 if (cursor_val
>= 0 && !cursor_font
) {
2335 cursor_font
= gdk_font_load("cursor");
2337 gdk_font_ref(cursor_font
);
2341 * Get the text extent of the cursor in question. We use the
2342 * mask character for this, because it's typically slightly
2343 * bigger than the main character.
2345 if (cursor_val
>= 0) {
2347 text
[0] = (char)cursor_val
+ 1;
2348 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
2349 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
2355 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
2356 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
2359 * Draw the mask character on the mask pixmap.
2361 gc
= gdk_gc_new(mask
);
2362 gdk_gc_set_foreground(gc
, &dbg
);
2363 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
2364 if (cursor_val
>= 0) {
2366 text
[0] = (char)cursor_val
+ 1;
2367 gdk_gc_set_foreground(gc
, &dfg
);
2368 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
2373 * Draw the main character on the source pixmap.
2375 gc
= gdk_gc_new(source
);
2376 gdk_gc_set_foreground(gc
, &dbg
);
2377 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
2378 if (cursor_val
>= 0) {
2380 text
[0] = (char)cursor_val
;
2381 gdk_gc_set_foreground(gc
, &dfg
);
2382 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
2387 * Create the cursor.
2389 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
2394 gdk_pixmap_unref(source
);
2395 gdk_pixmap_unref(mask
);
2400 void modalfatalbox(char *p
, ...)
2403 fprintf(stderr
, "FATAL ERROR: ");
2405 vfprintf(stderr
, p
, ap
);
2407 fputc('\n', stderr
);
2411 void cmdline_error(char *p
, ...)
2414 fprintf(stderr
, "%s: ", appname
);
2416 vfprintf(stderr
, p
, ap
);
2418 fputc('\n', stderr
);
2422 char *get_x_display(void *frontend
)
2424 return gdk_get_display();
2427 long get_windowid(void *frontend
)
2429 struct gui_data
*inst
= (struct gui_data
*)frontend
;
2430 return (long)GDK_WINDOW_XWINDOW(inst
->area
->window
);
2433 static void help(FILE *fp
) {
2435 "pterm option summary:\n"
2437 " --display DISPLAY Specify X display to use (note '--')\n"
2438 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
2439 " -fn FONT Normal text font\n"
2440 " -fb FONT Bold text font\n"
2441 " -geometry GEOMETRY Position and size of window (size in characters)\n"
2442 " -sl LINES Number of lines of scrollback\n"
2443 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
2444 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
2445 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
2446 " -T TITLE Window title\n"
2447 " -ut, +ut Do(default) or do not update utmp\n"
2448 " -ls, +ls Do(default) or do not make shell a login shell\n"
2449 " -sb, +sb Do(default) or do not display a scrollbar\n"
2450 " -log PATH Log all output to a file\n"
2451 " -nethack Map numeric keypad to hjklyubn direction keys\n"
2452 " -xrm RESOURCE-STRING Set an X resource\n"
2453 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
2454 ) < 0 || fflush(fp
) < 0) {
2455 perror("output error");
2460 int do_cmdline(int argc
, char **argv
, int do_everything
, int *allow_launch
,
2461 struct gui_data
*inst
, Config
*cfg
)
2467 * Macros to make argument handling easier. Note that because
2468 * they need to call `continue', they cannot be contained in
2469 * the usual do {...} while (0) wrapper to make them
2470 * syntactically single statements; hence it is not legal to
2471 * use one of these macros as an unbraced statement between
2474 #define EXPECTS_ARG { \
2475 if (--argc <= 0) { \
2477 fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
2482 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2484 while (--argc
> 0) {
2489 * Shameless cheating. Debian requires all X terminal
2490 * emulators to support `-T title'; but
2491 * cmdline_process_param will eat -T (it means no-pty) and
2492 * complain that pterm doesn't support it. So, in pterm
2493 * only, we convert -T into -title.
2495 if ((cmdline_tooltype
& TOOLTYPE_NONNETWORK
) &&
2499 ret
= cmdline_process_param(p
, (argc
> 1 ? argv
[1] : NULL
),
2500 do_everything ?
1 : -1, cfg
);
2503 cmdline_error("option \"%s\" requires an argument", p
);
2504 } else if (ret
== 2) {
2505 --argc
, ++argv
; /* skip next argument */
2507 } else if (ret
== 1) {
2511 if (!strcmp(p
, "-fn") || !strcmp(p
, "-font")) {
2514 strncpy(cfg
->font
.name
, val
, sizeof(cfg
->font
.name
));
2515 cfg
->font
.name
[sizeof(cfg
->font
.name
)-1] = '\0';
2517 } else if (!strcmp(p
, "-fb")) {
2520 strncpy(cfg
->boldfont
.name
, val
, sizeof(cfg
->boldfont
.name
));
2521 cfg
->boldfont
.name
[sizeof(cfg
->boldfont
.name
)-1] = '\0';
2523 } else if (!strcmp(p
, "-fw")) {
2526 strncpy(cfg
->widefont
.name
, val
, sizeof(cfg
->widefont
.name
));
2527 cfg
->widefont
.name
[sizeof(cfg
->widefont
.name
)-1] = '\0';
2529 } else if (!strcmp(p
, "-fwb")) {
2532 strncpy(cfg
->wideboldfont
.name
, val
, sizeof(cfg
->wideboldfont
.name
));
2533 cfg
->wideboldfont
.name
[sizeof(cfg
->wideboldfont
.name
)-1] = '\0';
2535 } else if (!strcmp(p
, "-cs")) {
2538 strncpy(cfg
->line_codepage
, val
, sizeof(cfg
->line_codepage
));
2539 cfg
->line_codepage
[sizeof(cfg
->line_codepage
)-1] = '\0';
2541 } else if (!strcmp(p
, "-geometry")) {
2547 flags
= XParseGeometry(val
, &x
, &y
, &w
, &h
);
2548 if (flags
& WidthValue
)
2549 cfg
->width
= (int)w
;
2550 if (flags
& HeightValue
)
2551 cfg
->height
= (int)h
;
2553 if (flags
& (XValue
| YValue
)) {
2556 inst
->gotpos
= TRUE
;
2557 inst
->gravity
= ((flags
& XNegative ?
1 : 0) |
2558 (flags
& YNegative ?
2 : 0));
2561 } else if (!strcmp(p
, "-sl")) {
2564 cfg
->savelines
= atoi(val
);
2566 } else if (!strcmp(p
, "-fg") || !strcmp(p
, "-bg") ||
2567 !strcmp(p
, "-bfg") || !strcmp(p
, "-bbg") ||
2568 !strcmp(p
, "-cfg") || !strcmp(p
, "-cbg")) {
2573 if (!gdk_color_parse(val
, &col
)) {
2575 fprintf(stderr
, "%s: unable to parse colour \"%s\"\n",
2579 index
= (!strcmp(p
, "-fg") ?
0 :
2580 !strcmp(p
, "-bg") ?
2 :
2581 !strcmp(p
, "-bfg") ?
1 :
2582 !strcmp(p
, "-bbg") ?
3 :
2583 !strcmp(p
, "-cfg") ?
4 :
2584 !strcmp(p
, "-cbg") ?
5 : -1);
2585 assert(index
!= -1);
2586 cfg
->colours
[index
][0] = col
.red
/ 256;
2587 cfg
->colours
[index
][1] = col
.green
/ 256;
2588 cfg
->colours
[index
][2] = col
.blue
/ 256;
2591 } else if (use_pty_argv
&& !strcmp(p
, "-e")) {
2592 /* This option swallows all further arguments. */
2598 pty_argv
= snewn(argc
+1, char *);
2600 for (i
= 0; i
< argc
; i
++)
2601 pty_argv
[i
] = argv
[i
];
2602 pty_argv
[argc
] = NULL
;
2603 break; /* finished command-line processing */
2605 err
= 1, fprintf(stderr
, "%s: -e expects an argument\n",
2608 } else if (!strcmp(p
, "-title")) {
2611 strncpy(cfg
->wintitle
, val
, sizeof(cfg
->wintitle
));
2612 cfg
->wintitle
[sizeof(cfg
->wintitle
)-1] = '\0';
2614 } else if (!strcmp(p
, "-log")) {
2617 strncpy(cfg
->logfilename
.path
, val
, sizeof(cfg
->logfilename
.path
));
2618 cfg
->logfilename
.path
[sizeof(cfg
->logfilename
.path
)-1] = '\0';
2619 cfg
->logtype
= LGTYP_DEBUG
;
2621 } else if (!strcmp(p
, "-ut-") || !strcmp(p
, "+ut")) {
2623 cfg
->stamp_utmp
= 0;
2625 } else if (!strcmp(p
, "-ut")) {
2627 cfg
->stamp_utmp
= 1;
2629 } else if (!strcmp(p
, "-ls-") || !strcmp(p
, "+ls")) {
2631 cfg
->login_shell
= 0;
2633 } else if (!strcmp(p
, "-ls")) {
2635 cfg
->login_shell
= 1;
2637 } else if (!strcmp(p
, "-nethack")) {
2639 cfg
->nethack_keypad
= 1;
2641 } else if (!strcmp(p
, "-sb-") || !strcmp(p
, "+sb")) {
2645 } else if (!strcmp(p
, "-sb")) {
2649 } else if (!strcmp(p
, "-name")) {
2653 } else if (!strcmp(p
, "-xrm")) {
2655 provide_xrm_string(val
);
2657 } else if(!strcmp(p
, "-help") || !strcmp(p
, "--help")) {
2661 } else if (!strcmp(p
, "-pgpfp")) {
2665 } else if(p
[0] != '-' && (!do_everything
||
2666 process_nonoption_arg(p
, cfg
,
2672 fprintf(stderr
, "%s: unrecognized option '%s'\n", appname
, p
);
2679 int uxsel_input_add(int fd
, int rwx
) {
2681 if (rwx
& 1) flags
|= GDK_INPUT_READ
;
2682 if (rwx
& 2) flags
|= GDK_INPUT_WRITE
;
2683 if (rwx
& 4) flags
|= GDK_INPUT_EXCEPTION
;
2685 return gdk_input_add(fd
, flags
, fd_input_func
, NULL
);
2688 void uxsel_input_remove(int id
) {
2689 gdk_input_remove(id
);
2692 void setup_fonts_ucs(struct gui_data
*inst
)
2695 unifont_destroy(inst
->fonts
[0]);
2697 unifont_destroy(inst
->fonts
[1]);
2699 unifont_destroy(inst
->fonts
[2]);
2701 unifont_destroy(inst
->fonts
[3]);
2703 inst
->fonts
[0] = unifont_create(inst
->area
, inst
->cfg
.font
.name
,
2705 inst
->cfg
.shadowboldoffset
,
2706 inst
->cfg
.shadowbold
);
2707 if (!inst
->fonts
[0]) {
2708 fprintf(stderr
, "%s: unable to load font \"%s\"\n", appname
,
2709 inst
->cfg
.font
.name
);
2713 if (inst
->cfg
.shadowbold
|| !inst
->cfg
.boldfont
.name
[0]) {
2714 inst
->fonts
[1] = NULL
;
2716 inst
->fonts
[1] = unifont_create(inst
->area
, inst
->cfg
.boldfont
.name
,
2718 inst
->cfg
.shadowboldoffset
,
2719 inst
->cfg
.shadowbold
);
2720 if (!inst
->fonts
[1]) {
2721 fprintf(stderr
, "%s: unable to load bold font \"%s\"\n", appname
,
2722 inst
->cfg
.boldfont
.name
);
2727 if (inst
->cfg
.widefont
.name
[0]) {
2728 inst
->fonts
[2] = unifont_create(inst
->area
, inst
->cfg
.widefont
.name
,
2730 inst
->cfg
.shadowboldoffset
,
2731 inst
->cfg
.shadowbold
);
2732 if (!inst
->fonts
[2]) {
2733 fprintf(stderr
, "%s: unable to load wide font \"%s\"\n", appname
,
2734 inst
->cfg
.widefont
.name
);
2738 inst
->fonts
[2] = NULL
;
2741 if (inst
->cfg
.shadowbold
|| !inst
->cfg
.wideboldfont
.name
[0]) {
2742 inst
->fonts
[3] = NULL
;
2744 inst
->fonts
[3] = unifont_create(inst
->area
,
2745 inst
->cfg
.wideboldfont
.name
, TRUE
,
2746 TRUE
, inst
->cfg
.shadowboldoffset
,
2747 inst
->cfg
.shadowbold
);
2748 if (!inst
->fonts
[3]) {
2749 fprintf(stderr
, "%s: unable to load wide bold font \"%s\"\n", appname
,
2750 inst
->cfg
.boldfont
.name
);
2755 inst
->font_width
= inst
->fonts
[0]->width
;
2756 inst
->font_height
= inst
->fonts
[0]->height
;
2758 inst
->direct_to_font
= init_ucs(&inst
->ucsdata
, inst
->cfg
.line_codepage
,
2759 inst
->cfg
.utf8_override
,
2760 inst
->fonts
[0]->public_charset
,
2764 void set_geom_hints(struct gui_data
*inst
)
2767 geom
.min_width
= inst
->font_width
+ 2*inst
->cfg
.window_border
;
2768 geom
.min_height
= inst
->font_height
+ 2*inst
->cfg
.window_border
;
2769 geom
.max_width
= geom
.max_height
= -1;
2770 geom
.base_width
= 2*inst
->cfg
.window_border
;
2771 geom
.base_height
= 2*inst
->cfg
.window_border
;
2772 geom
.width_inc
= inst
->font_width
;
2773 geom
.height_inc
= inst
->font_height
;
2774 geom
.min_aspect
= geom
.max_aspect
= 0;
2775 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
2776 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
2777 GDK_HINT_RESIZE_INC
);
2780 void clear_scrollback_menuitem(GtkMenuItem
*item
, gpointer data
)
2782 struct gui_data
*inst
= (struct gui_data
*)data
;
2783 term_clrsb(inst
->term
);
2786 void reset_terminal_menuitem(GtkMenuItem
*item
, gpointer data
)
2788 struct gui_data
*inst
= (struct gui_data
*)data
;
2789 term_pwron(inst
->term
, TRUE
);
2791 ldisc_send(inst
->ldisc
, NULL
, 0, 0);
2794 void copy_all_menuitem(GtkMenuItem
*item
, gpointer data
)
2796 struct gui_data
*inst
= (struct gui_data
*)data
;
2797 term_copyall(inst
->term
);
2800 void special_menuitem(GtkMenuItem
*item
, gpointer data
)
2802 struct gui_data
*inst
= (struct gui_data
*)data
;
2803 int code
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
2807 inst
->back
->special(inst
->backhandle
, code
);
2810 void about_menuitem(GtkMenuItem
*item
, gpointer data
)
2812 struct gui_data
*inst
= (struct gui_data
*)data
;
2813 about_box(inst
->window
);
2816 void event_log_menuitem(GtkMenuItem
*item
, gpointer data
)
2818 struct gui_data
*inst
= (struct gui_data
*)data
;
2819 showeventlog(inst
->eventlogstuff
, inst
->window
);
2822 void change_settings_menuitem(GtkMenuItem
*item
, gpointer data
)
2824 /* This maps colour indices in inst->cfg to those used in inst->cols. */
2825 static const int ww
[] = {
2826 256, 257, 258, 259, 260, 261,
2827 0, 8, 1, 9, 2, 10, 3, 11,
2828 4, 12, 5, 13, 6, 14, 7, 15
2830 struct gui_data
*inst
= (struct gui_data
*)data
;
2831 char *title
= dupcat(appname
, " Reconfiguration", NULL
);
2832 Config cfg2
, oldcfg
;
2835 assert(lenof(ww
) == NCFGCOLOURS
);
2837 if (inst
->reconfiguring
)
2840 inst
->reconfiguring
= TRUE
;
2842 cfg2
= inst
->cfg
; /* structure copy */
2844 if (do_config_box(title
, &cfg2
, 1,
2845 inst
->back?inst
->back
->cfg_info(inst
->backhandle
):0)) {
2847 oldcfg
= inst
->cfg
; /* structure copy */
2848 inst
->cfg
= cfg2
; /* structure copy */
2850 /* Pass new config data to the logging module */
2851 log_reconfig(inst
->logctx
, &cfg2
);
2853 * Flush the line discipline's edit buffer in the case
2854 * where local editing has just been disabled.
2857 ldisc_send(inst
->ldisc
, NULL
, 0, 0);
2858 /* Pass new config data to the terminal */
2859 term_reconfig(inst
->term
, &cfg2
);
2860 /* Pass new config data to the back end */
2862 inst
->back
->reconfig(inst
->backhandle
, &cfg2
);
2865 * Just setting inst->cfg is sufficient to cause colour
2866 * setting changes to appear on the next ESC]R palette
2867 * reset. But we should also check whether any colour
2868 * settings have been changed, and revert the ones that
2869 * have to the new default, on the assumption that the user
2870 * is most likely to want an immediate update.
2872 for (i
= 0; i
< NCFGCOLOURS
; i
++) {
2873 if (oldcfg
.colours
[i
][0] != cfg2
.colours
[i
][0] ||
2874 oldcfg
.colours
[i
][1] != cfg2
.colours
[i
][1] ||
2875 oldcfg
.colours
[i
][2] != cfg2
.colours
[i
][2]) {
2876 real_palette_set(inst
, ww
[i
], cfg2
.colours
[i
][0],
2878 cfg2
.colours
[i
][2]);
2881 * If the default background has changed, we must
2882 * repaint the space in between the window border
2883 * and the text area.
2886 set_window_background(inst
);
2887 draw_backing_rect(inst
);
2893 * If the scrollbar needs to be shown, hidden, or moved
2894 * from one end to the other of the window, do so now.
2896 if (oldcfg
.scrollbar
!= cfg2
.scrollbar
) {
2898 gtk_widget_show(inst
->sbar
);
2900 gtk_widget_hide(inst
->sbar
);
2902 if (oldcfg
.scrollbar_on_left
!= cfg2
.scrollbar_on_left
) {
2903 gtk_box_reorder_child(inst
->hbox
, inst
->sbar
,
2904 cfg2
.scrollbar_on_left ?
0 : 1);
2908 * Change the window title, if required.
2910 if (strcmp(oldcfg
.wintitle
, cfg2
.wintitle
))
2911 set_title(inst
, cfg2
.wintitle
);
2912 set_window_titles(inst
);
2915 * Redo the whole tangled fonts and Unicode mess if
2918 if (strcmp(oldcfg
.font
.name
, cfg2
.font
.name
) ||
2919 strcmp(oldcfg
.boldfont
.name
, cfg2
.boldfont
.name
) ||
2920 strcmp(oldcfg
.widefont
.name
, cfg2
.widefont
.name
) ||
2921 strcmp(oldcfg
.wideboldfont
.name
, cfg2
.wideboldfont
.name
) ||
2922 strcmp(oldcfg
.line_codepage
, cfg2
.line_codepage
) ||
2923 oldcfg
.vtmode
!= cfg2
.vtmode
||
2924 oldcfg
.shadowbold
!= cfg2
.shadowbold
) {
2925 setup_fonts_ucs(inst
);
2931 * Resize the window.
2933 if (oldcfg
.width
!= cfg2
.width
|| oldcfg
.height
!= cfg2
.height
||
2934 oldcfg
.window_border
!= cfg2
.window_border
|| need_size
) {
2935 set_geom_hints(inst
);
2936 request_resize(inst
, cfg2
.width
, cfg2
.height
);
2939 * The above will have caused a call to term_size() for
2940 * us if it happened. If the user has fiddled with only
2941 * the scrollback size, the above will not have
2942 * happened and we will need an explicit term_size()
2945 if (oldcfg
.savelines
!= cfg2
.savelines
)
2946 term_size(inst
->term
, inst
->term
->rows
, inst
->term
->cols
,
2950 term_invalidate(inst
->term
);
2953 * We do an explicit full redraw here to ensure the window
2954 * border has been redrawn as well as the text area.
2956 gtk_widget_queue_draw(inst
->area
);
2959 inst
->reconfiguring
= FALSE
;
2962 void fork_and_exec_self(struct gui_data
*inst
, int fd_to_close
, ...)
2965 * Re-execing ourself is not an exact science under Unix. I do
2966 * the best I can by using /proc/self/exe if available and by
2967 * assuming argv[0] can be found on $PATH if not.
2969 * Note that we also have to reconstruct the elements of the
2970 * original argv which gtk swallowed, since the user wants the
2971 * new session to appear on the same X display as the old one.
2979 * Collect the arguments with which to re-exec ourself.
2981 va_start(ap
, fd_to_close
);
2982 n
= 2; /* progname and terminating NULL */
2983 n
+= inst
->ngtkargs
;
2984 while (va_arg(ap
, char *) != NULL
)
2988 args
= snewn(n
, char *);
2989 args
[0] = inst
->progname
;
2991 for (i
= 0; i
< inst
->ngtkargs
; i
++)
2992 args
[i
+1] = inst
->gtkargvstart
[i
];
2995 va_start(ap
, fd_to_close
);
2996 while ((args
[i
++] = va_arg(ap
, char *)) != NULL
);
3002 * Do the double fork.
3015 } else if (pid2
> 0) {
3017 * First child has successfully forked second child. My
3018 * Work Here Is Done. Note the use of _exit rather than
3019 * exit: the latter appears to cause destroy messages
3020 * to be sent to the X server. I suspect gtk uses
3027 * If we reach here, we are the second child, so we now
3028 * actually perform the exec.
3030 if (fd_to_close
>= 0)
3033 execv("/proc/self/exe", args
);
3034 execvp(inst
->progname
, args
);
3040 waitpid(pid
, &status
, 0);
3045 void dup_session_menuitem(GtkMenuItem
*item
, gpointer gdata
)
3047 struct gui_data
*inst
= (struct gui_data
*)gdata
;
3049 * For this feature we must marshal cfg and (possibly) pty_argv
3050 * into a byte stream, create a pipe, and send this byte stream
3051 * to the child through the pipe.
3058 if (pipe(pipefd
) < 0) {
3063 size
= sizeof(inst
->cfg
);
3064 if (use_pty_argv
&& pty_argv
) {
3065 for (i
= 0; pty_argv
[i
]; i
++)
3066 size
+= strlen(pty_argv
[i
]) + 1;
3069 data
= snewn(size
, char);
3070 memcpy(data
, &inst
->cfg
, sizeof(inst
->cfg
));
3071 if (use_pty_argv
&& pty_argv
) {
3072 int p
= sizeof(inst
->cfg
);
3073 for (i
= 0; pty_argv
[i
]; i
++) {
3074 strcpy(data
+ p
, pty_argv
[i
]);
3075 p
+= strlen(pty_argv
[i
]) + 1;
3080 sprintf(option
, "---[%d,%d]", pipefd
[0], size
);
3081 fcntl(pipefd
[0], F_SETFD
, 0);
3082 fork_and_exec_self(inst
, pipefd
[1], option
, NULL
);
3086 while (i
< size
&& (ret
= write(pipefd
[1], data
+ i
, size
- i
)) > 0)
3089 perror("write to pipe");
3094 int read_dupsession_data(struct gui_data
*inst
, Config
*cfg
, char *arg
)
3096 int fd
, i
, ret
, size
;
3099 if (sscanf(arg
, "---[%d,%d]", &fd
, &size
) != 2) {
3100 fprintf(stderr
, "%s: malformed magic argument `%s'\n", appname
, arg
);
3104 data
= snewn(size
, char);
3106 while (i
< size
&& (ret
= read(fd
, data
+ i
, size
- i
)) > 0)
3109 perror("read from pipe");
3111 } else if (i
< size
) {
3112 fprintf(stderr
, "%s: unexpected EOF in Duplicate Session data\n",
3117 memcpy(cfg
, data
, sizeof(Config
));
3118 if (use_pty_argv
&& size
> sizeof(Config
)) {
3122 while (i
< size
&& data
[i
]) i
++;
3124 fprintf(stderr
, "%s: malformed Duplicate Session data\n",
3131 pty_argv
= snewn(n
+1, char *);
3137 while (i
< size
&& data
[i
]) i
++;
3140 pty_argv
[n
++] = dupstr(p
);
3147 void new_session_menuitem(GtkMenuItem
*item
, gpointer data
)
3149 struct gui_data
*inst
= (struct gui_data
*)data
;
3151 fork_and_exec_self(inst
, -1, NULL
);
3154 void restart_session_menuitem(GtkMenuItem
*item
, gpointer data
)
3156 struct gui_data
*inst
= (struct gui_data
*)data
;
3159 logevent(inst
, "----- Session restarted -----");
3160 term_pwron(inst
->term
, FALSE
);
3161 start_backend(inst
);
3162 inst
->exited
= FALSE
;
3166 void saved_session_menuitem(GtkMenuItem
*item
, gpointer data
)
3168 struct gui_data
*inst
= (struct gui_data
*)data
;
3169 char *str
= (char *)gtk_object_get_data(GTK_OBJECT(item
), "user-data");
3171 fork_and_exec_self(inst
, -1, "-load", str
, NULL
);
3174 void saved_session_freedata(GtkMenuItem
*item
, gpointer data
)
3176 char *str
= (char *)gtk_object_get_data(GTK_OBJECT(item
), "user-data");
3181 static void update_savedsess_menu(GtkMenuItem
*menuitem
, gpointer data
)
3183 struct gui_data
*inst
= (struct gui_data
*)data
;
3184 struct sesslist sesslist
;
3187 gtk_container_foreach(GTK_CONTAINER(inst
->sessionsmenu
),
3188 (GtkCallback
)gtk_widget_destroy
, NULL
);
3190 get_sesslist(&sesslist
, TRUE
);
3191 /* skip sesslist.sessions[0] == Default Settings */
3192 for (i
= 1; i
< sesslist
.nsessions
; i
++) {
3193 GtkWidget
*menuitem
=
3194 gtk_menu_item_new_with_label(sesslist
.sessions
[i
]);
3195 gtk_container_add(GTK_CONTAINER(inst
->sessionsmenu
), menuitem
);
3196 gtk_widget_show(menuitem
);
3197 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
3198 dupstr(sesslist
.sessions
[i
]));
3199 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
3200 GTK_SIGNAL_FUNC(saved_session_menuitem
),
3202 gtk_signal_connect(GTK_OBJECT(menuitem
), "destroy",
3203 GTK_SIGNAL_FUNC(saved_session_freedata
),
3206 if (sesslist
.nsessions
<= 1) {
3207 GtkWidget
*menuitem
=
3208 gtk_menu_item_new_with_label("(No sessions)");
3209 gtk_widget_set_sensitive(menuitem
, FALSE
);
3210 gtk_container_add(GTK_CONTAINER(inst
->sessionsmenu
), menuitem
);
3211 gtk_widget_show(menuitem
);
3213 get_sesslist(&sesslist
, FALSE
); /* free up */
3216 void set_window_icon(GtkWidget
*window
, const char *const *const *icon
,
3220 GdkBitmap
*iconmask
;
3221 #if GTK_CHECK_VERSION(2,0,0)
3229 gtk_widget_realize(window
);
3230 iconpm
= gdk_pixmap_create_from_xpm_d(window
->window
, &iconmask
,
3231 NULL
, (gchar
**)icon
[0]);
3232 gdk_window_set_icon(window
->window
, NULL
, iconpm
, iconmask
);
3234 #if GTK_CHECK_VERSION(2,0,0)
3236 for (n
= 0; n
< n_icon
; n
++) {
3238 g_list_append(iconlist
,
3239 gdk_pixbuf_new_from_xpm_data((const gchar
**)
3242 gdk_window_set_icon_list(window
->window
, iconlist
);
3246 void update_specials_menu(void *frontend
)
3248 struct gui_data
*inst
= (struct gui_data
*)frontend
;
3250 const struct telnet_special
*specials
;
3253 specials
= inst
->back
->get_specials(inst
->backhandle
);
3257 /* I believe this disposes of submenus too. */
3258 gtk_container_foreach(GTK_CONTAINER(inst
->specialsmenu
),
3259 (GtkCallback
)gtk_widget_destroy
, NULL
);
3262 GtkWidget
*menu
= inst
->specialsmenu
;
3263 /* A lame "stack" for submenus that will do for now. */
3264 GtkWidget
*saved_menu
= NULL
;
3266 for (i
= 0; nesting
> 0; i
++) {
3267 GtkWidget
*menuitem
= NULL
;
3268 switch (specials
[i
].code
) {
3270 assert (nesting
< 2);
3271 saved_menu
= menu
; /* XXX lame stacking */
3272 menu
= gtk_menu_new();
3273 menuitem
= gtk_menu_item_new_with_label(specials
[i
].name
);
3274 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
3275 gtk_container_add(GTK_CONTAINER(saved_menu
), menuitem
);
3276 gtk_widget_show(menuitem
);
3283 menu
= saved_menu
; /* XXX lame stacking */
3288 menuitem
= gtk_menu_item_new();
3291 menuitem
= gtk_menu_item_new_with_label(specials
[i
].name
);
3292 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
3293 GINT_TO_POINTER(specials
[i
].code
));
3294 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
3295 GTK_SIGNAL_FUNC(special_menuitem
), inst
);
3299 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
3300 gtk_widget_show(menuitem
);
3303 gtk_widget_show(inst
->specialsitem1
);
3304 gtk_widget_show(inst
->specialsitem2
);
3306 gtk_widget_hide(inst
->specialsitem1
);
3307 gtk_widget_hide(inst
->specialsitem2
);
3311 static void start_backend(struct gui_data
*inst
)
3313 extern Backend
*select_backend(Config
*cfg
);
3317 inst
->back
= select_backend(&inst
->cfg
);
3319 error
= inst
->back
->init((void *)inst
, &inst
->backhandle
,
3320 &inst
->cfg
, inst
->cfg
.host
, inst
->cfg
.port
,
3321 &realhost
, inst
->cfg
.tcp_nodelay
,
3322 inst
->cfg
.tcp_keepalives
);
3325 char *msg
= dupprintf("Unable to open connection to %s:\n%s",
3326 inst
->cfg
.host
, error
);
3327 inst
->exited
= TRUE
;
3328 fatal_message_box(inst
->window
, msg
);
3333 if (inst
->cfg
.wintitle
[0]) {
3334 set_title(inst
, inst
->cfg
.wintitle
);
3335 set_icon(inst
, inst
->cfg
.wintitle
);
3337 char *title
= make_default_wintitle(realhost
);
3338 set_title(inst
, title
);
3339 set_icon(inst
, title
);
3344 inst
->back
->provide_logctx(inst
->backhandle
, inst
->logctx
);
3346 term_provide_resize_fn(inst
->term
, inst
->back
->size
, inst
->backhandle
);
3349 ldisc_create(&inst
->cfg
, inst
->term
, inst
->back
, inst
->backhandle
,
3352 gtk_widget_set_sensitive(inst
->restartitem
, FALSE
);
3355 int pt_main(int argc
, char **argv
)
3357 extern int cfgbox(Config
*cfg
);
3358 struct gui_data
*inst
;
3361 * Create an instance structure and initialise to zeroes
3363 inst
= snew(struct gui_data
);
3364 memset(inst
, 0, sizeof(*inst
));
3365 inst
->alt_keycode
= -1; /* this one needs _not_ to be zero */
3366 inst
->busy_status
= BUSY_NOT
;
3368 /* defer any child exit handling until we're ready to deal with
3370 block_signal(SIGCHLD
, 1);
3372 inst
->progname
= argv
[0];
3374 * Copy the original argv before letting gtk_init fiddle with
3375 * it. It will be required later.
3379 inst
->gtkargvstart
= snewn(argc
-1, char *);
3380 for (i
= 1; i
< argc
; i
++)
3381 inst
->gtkargvstart
[i
-1] = dupstr(argv
[i
]);
3383 gtk_init(&argc
, &argv
);
3384 inst
->ngtkargs
= oldargc
- argc
;
3387 if (argc
> 1 && !strncmp(argv
[1], "---", 3)) {
3388 read_dupsession_data(inst
, &inst
->cfg
, argv
[1]);
3389 /* Splatter this argument so it doesn't clutter a ps listing */
3390 memset(argv
[1], 0, strlen(argv
[1]));
3392 /* By default, we bring up the config dialog, rather than launching
3393 * a session. This gets set to TRUE if something happens to change
3394 * that (e.g., a hostname is specified on the command-line). */
3395 int allow_launch
= FALSE
;
3396 if (do_cmdline(argc
, argv
, 0, &allow_launch
, inst
, &inst
->cfg
))
3397 exit(1); /* pre-defaults pass to get -class */
3398 do_defaults(NULL
, &inst
->cfg
);
3399 if (do_cmdline(argc
, argv
, 1, &allow_launch
, inst
, &inst
->cfg
))
3400 exit(1); /* post-defaults, do everything */
3402 cmdline_run_saved(&inst
->cfg
);
3405 allow_launch
= TRUE
;
3407 if ((!allow_launch
|| !cfg_launchable(&inst
->cfg
)) &&
3408 !cfgbox(&inst
->cfg
))
3409 exit(0); /* config box hit Cancel */
3412 if (!compound_text_atom
)
3413 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
3414 if (!utf8_string_atom
)
3415 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
3417 inst
->area
= gtk_drawing_area_new();
3419 setup_fonts_ucs(inst
);
3422 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
3425 * Set up the colour map.
3427 palette_reset(inst
);
3429 inst
->width
= inst
->cfg
.width
;
3430 inst
->height
= inst
->cfg
.height
;
3432 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
3433 inst
->font_width
* inst
->cfg
.width
+ 2*inst
->cfg
.window_border
,
3434 inst
->font_height
* inst
->cfg
.height
+ 2*inst
->cfg
.window_border
);
3435 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
3436 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
3437 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
3439 * We always create the scrollbar; it remains invisible if
3440 * unwanted, so we can pop it up quickly if it suddenly becomes
3443 if (inst
->cfg
.scrollbar_on_left
)
3444 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
3445 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
3446 if (!inst
->cfg
.scrollbar_on_left
)
3447 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
3449 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
3451 set_geom_hints(inst
);
3453 gtk_widget_show(inst
->area
);
3454 if (inst
->cfg
.scrollbar
)
3455 gtk_widget_show(inst
->sbar
);
3457 gtk_widget_hide(inst
->sbar
);
3458 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
3461 int x
= inst
->xpos
, y
= inst
->ypos
;
3463 gtk_widget_size_request(GTK_WIDGET(inst
->window
), &req
);
3464 if (inst
->gravity
& 1) x
+= gdk_screen_width() - req
.width
;
3465 if (inst
->gravity
& 2) y
+= gdk_screen_height() - req
.height
;
3466 gtk_window_set_position(GTK_WINDOW(inst
->window
), GTK_WIN_POS_NONE
);
3467 gtk_widget_set_uposition(GTK_WIDGET(inst
->window
), x
, y
);
3470 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
3471 GTK_SIGNAL_FUNC(destroy
), inst
);
3472 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
3473 GTK_SIGNAL_FUNC(delete_window
), inst
);
3474 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
3475 GTK_SIGNAL_FUNC(key_event
), inst
);
3476 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_release_event",
3477 GTK_SIGNAL_FUNC(key_event
), inst
);
3478 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
3479 GTK_SIGNAL_FUNC(focus_event
), inst
);
3480 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
3481 GTK_SIGNAL_FUNC(focus_event
), inst
);
3482 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
3483 GTK_SIGNAL_FUNC(configure_area
), inst
);
3484 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
3485 GTK_SIGNAL_FUNC(expose_area
), inst
);
3486 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
3487 GTK_SIGNAL_FUNC(button_event
), inst
);
3488 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
3489 GTK_SIGNAL_FUNC(button_event
), inst
);
3490 #if GTK_CHECK_VERSION(2,0,0)
3491 gtk_signal_connect(GTK_OBJECT(inst
->area
), "scroll_event",
3492 GTK_SIGNAL_FUNC(scroll_event
), inst
);
3494 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
3495 GTK_SIGNAL_FUNC(motion_event
), inst
);
3496 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
3497 GTK_SIGNAL_FUNC(selection_received
), inst
);
3498 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
3499 GTK_SIGNAL_FUNC(selection_get
), inst
);
3500 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
3501 GTK_SIGNAL_FUNC(selection_clear
), inst
);
3502 if (inst
->cfg
.scrollbar
)
3503 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
3504 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
3505 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
3506 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
3507 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
3508 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
3511 extern const char *const *const main_icon
[];
3512 extern const int n_main_icon
;
3513 set_window_icon(inst
->window
, main_icon
, n_main_icon
);
3516 gtk_widget_show(inst
->window
);
3518 set_window_background(inst
);
3521 * Set up the Ctrl+rightclick context menu.
3524 GtkWidget
*menuitem
;
3526 extern const int use_event_log
, new_session
, saved_sessions
;
3528 inst
->menu
= gtk_menu_new();
3530 #define MKMENUITEM(title, func) do { \
3531 menuitem = title ? gtk_menu_item_new_with_label(title) : \
3532 gtk_menu_item_new(); \
3533 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
3534 gtk_widget_show(menuitem); \
3536 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
3537 GTK_SIGNAL_FUNC(func), inst); \
3540 MKMENUITEM("New Session...", new_session_menuitem
);
3541 MKMENUITEM("Restart Session", restart_session_menuitem
);
3542 inst
->restartitem
= menuitem
;
3543 gtk_widget_set_sensitive(inst
->restartitem
, FALSE
);
3544 MKMENUITEM("Duplicate Session", dup_session_menuitem
);
3545 if (saved_sessions
) {
3546 inst
->sessionsmenu
= gtk_menu_new();
3547 /* sessionsmenu will be updated when it's invoked */
3548 /* XXX is this the right way to do dynamic menus in Gtk? */
3549 MKMENUITEM("Saved Sessions", update_savedsess_menu
);
3550 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
),
3551 inst
->sessionsmenu
);
3553 MKMENUITEM(NULL
, NULL
);
3554 MKMENUITEM("Change Settings...", change_settings_menuitem
);
3555 MKMENUITEM(NULL
, NULL
);
3557 MKMENUITEM("Event Log", event_log_menuitem
);
3558 MKMENUITEM("Special Commands", NULL
);
3559 inst
->specialsmenu
= gtk_menu_new();
3560 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), inst
->specialsmenu
);
3561 inst
->specialsitem1
= menuitem
;
3562 MKMENUITEM(NULL
, NULL
);
3563 inst
->specialsitem2
= menuitem
;
3564 gtk_widget_hide(inst
->specialsitem1
);
3565 gtk_widget_hide(inst
->specialsitem2
);
3566 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem
);
3567 MKMENUITEM("Reset Terminal", reset_terminal_menuitem
);
3568 MKMENUITEM("Copy All", copy_all_menuitem
);
3569 MKMENUITEM(NULL
, NULL
);
3570 s
= dupcat("About ", appname
, NULL
);
3571 MKMENUITEM(s
, about_menuitem
);
3576 inst
->textcursor
= make_mouse_ptr(inst
, GDK_XTERM
);
3577 inst
->rawcursor
= make_mouse_ptr(inst
, GDK_LEFT_PTR
);
3578 inst
->waitcursor
= make_mouse_ptr(inst
, GDK_WATCH
);
3579 inst
->blankcursor
= make_mouse_ptr(inst
, -1);
3580 make_mouse_ptr(inst
, -2); /* clean up cursor font */
3581 inst
->currcursor
= inst
->textcursor
;
3582 show_mouseptr(inst
, 1);
3584 inst
->eventlogstuff
= eventlogstuff_new();
3586 inst
->term
= term_init(&inst
->cfg
, &inst
->ucsdata
, inst
);
3587 inst
->logctx
= log_init(inst
, &inst
->cfg
);
3588 term_provide_logctx(inst
->term
, inst
->logctx
);
3592 term_size(inst
->term
, inst
->cfg
.height
, inst
->cfg
.width
, inst
->cfg
.savelines
);
3594 start_backend(inst
);
3596 ldisc_send(inst
->ldisc
, NULL
, 0, 0);/* cause ldisc to notice changes */
3598 /* now we're reday to deal with the child exit handler being
3600 block_signal(SIGCHLD
, 0);
3603 * Block SIGPIPE: if we attempt Duplicate Session or similar
3604 * and it falls over in some way, we certainly don't want
3605 * SIGPIPE terminating the main pterm/PuTTY. Note that we do
3606 * this _after_ (at least pterm) forks off its child process,
3607 * since the child wants SIGPIPE handled in the usual way.
3609 block_signal(SIGPIPE
, 1);
3611 inst
->exited
= FALSE
;