2 * gtkwin.c: the main code that runs a PuTTY terminal emulator and
3 * backend in a GTK window.
19 #include <sys/types.h>
22 #include <gdk/gdkkeysyms.h>
25 #include <X11/Xutil.h>
26 #include <X11/Xatom.h>
28 #if GTK_CHECK_VERSION(2,0,0)
29 #include <gtk/gtkimmodule.h>
32 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
34 #define MAY_REFER_TO_GTK_IN_HEADERS
40 #define CAT2(x,y) x ## y
41 #define CAT(x,y) CAT2(x,y)
42 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
44 #if GTK_CHECK_VERSION(2,0,0)
45 ASSERT(sizeof(long) <= sizeof(gsize));
46 #define LONG_TO_GPOINTER(l) GSIZE_TO_POINTER(l)
47 #define GPOINTER_TO_LONG(p) GPOINTER_TO_SIZE(p)
49 ASSERT(sizeof(long) <= sizeof(gpointer));
50 #define LONG_TO_GPOINTER(l) ((gpointer)(long)(l))
51 #define GPOINTER_TO_LONG(p) ((long)(p))
54 /* Colours come in two flavours: configurable, and xterm-extended. */
55 #define NEXTCOLOURS 240 /* 216 colour-cube plus 24 shades of grey */
56 #define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS)
58 GdkAtom compound_text_atom, utf8_string_atom;
60 extern char **pty_argv; /* declared in pty.c */
61 extern int use_pty_argv;
64 * Timers are global across all sessions (even if we were handling
65 * multiple sessions, which we aren't), so the current timer ID is
68 static guint timer_id = 0;
71 GtkWidget *window, *area, *sbar;
73 GtkAdjustment *sbar_adjust;
74 GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2,
76 GtkWidget *sessionsmenu;
78 #if GTK_CHECK_VERSION(2,0,0)
81 unifont *fonts[4]; /* normal, bold, wide, widebold */
82 int xpos, ypos, gotpos, gravity;
83 GdkCursor *rawcursor, *textcursor, *blankcursor, *waitcursor, *currcursor;
84 GdkColor cols[NALLCOLOURS];
86 wchar_t *pastein_data;
89 char *pasteout_data, *pasteout_data_ctext, *pasteout_data_utf8;
90 int pasteout_data_len, pasteout_data_ctext_len, pasteout_data_utf8_len;
91 int font_width, font_height;
96 guint term_paste_idle_id;
97 guint term_exit_idle_id;
98 guint toplevel_callback_idle_id;
103 int master_fd, master_func_id;
110 struct unicode_data ucsdata;
113 char *progname, **gtkargvstart;
115 guint32 input_event_time; /* Timestamp of the most recent input event. */
117 /* Cached things out of conf that we refer to a lot */
123 static void cache_conf_values(struct gui_data *inst)
125 inst->bold_style = conf_get_int(inst->conf, CONF_bold_style);
126 inst->window_border = conf_get_int(inst->conf, CONF_window_border);
127 inst->cursor_type = conf_get_int(inst->conf, CONF_cursor_type);
132 struct gui_data *inst;
135 static int send_raw_mouse;
137 static char *app_name = "pterm";
139 static void start_backend(struct gui_data *inst);
141 char *x_get_default(const char *key)
143 return XGetDefault(GDK_DISPLAY(), app_name, key);
146 void connection_fatal(void *frontend, char *p, ...)
148 struct gui_data *inst = (struct gui_data *)frontend;
153 msg = dupvprintf(p, ap);
156 fatal_message_box(inst->window, msg);
158 if (conf_get_int(inst->conf, CONF_close_on_exit) == FORCE_ON)
163 * Default settings that are specific to pterm.
165 FontSpec *platform_default_fontspec(const char *name)
167 if (!strcmp(name, "Font"))
168 return fontspec_new("server:fixed");
170 return fontspec_new("");
173 Filename *platform_default_filename(const char *name)
175 if (!strcmp(name, "LogFileName"))
176 return filename_from_str("putty.log");
178 return filename_from_str("");
181 char *platform_default_s(const char *name)
183 if (!strcmp(name, "SerialLine"))
184 return dupstr("/dev/ttyS0");
188 int platform_default_i(const char *name, int def)
190 if (!strcmp(name, "CloseOnExit"))
191 return 2; /* maps to FORCE_ON after painful rearrangement :-( */
192 if (!strcmp(name, "WinNameAlways"))
193 return 0; /* X natively supports icon titles, so use 'em by default */
197 /* Dummy routine, only required in plink. */
198 void ldisc_update(void *frontend, int echo, int edit)
202 char *get_ttymode(void *frontend, const char *mode)
204 struct gui_data *inst = (struct gui_data *)frontend;
205 return term_get_ttymode(inst->term, mode);
208 int from_backend(void *frontend, int is_stderr, const char *data, int len)
210 struct gui_data *inst = (struct gui_data *)frontend;
211 return term_data(inst->term, is_stderr, data, len);
214 int from_backend_untrusted(void *frontend, const char *data, int len)
216 struct gui_data *inst = (struct gui_data *)frontend;
217 return term_data_untrusted(inst->term, data, len);
220 int from_backend_eof(void *frontend)
222 return TRUE; /* do respond to incoming EOF with outgoing */
225 int get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
227 struct gui_data *inst = (struct gui_data *)p->frontend;
229 ret = cmdline_get_passwd_input(p, in, inlen);
231 ret = term_get_userpass_input(inst->term, p, in, inlen);
235 void logevent(void *frontend, const char *string)
237 struct gui_data *inst = (struct gui_data *)frontend;
239 log_eventlog(inst->logctx, string);
241 logevent_dlg(inst->eventlogstuff, string);
244 int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
246 struct gui_data *inst = (struct gui_data *)frontend;
249 return inst->font_height;
251 return inst->font_width;
255 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
256 * into a cooked one (SELECT, EXTEND, PASTE).
258 * In Unix, this is not configurable; the X button arrangement is
259 * rock-solid across all applications, everyone has a three-button
260 * mouse or a means of faking it, and there is no need to switch
261 * buttons around at all.
263 static Mouse_Button translate_button(Mouse_Button button)
265 /* struct gui_data *inst = (struct gui_data *)frontend; */
267 if (button == MBT_LEFT)
269 if (button == MBT_MIDDLE)
271 if (button == MBT_RIGHT)
273 return 0; /* shouldn't happen */
277 * Return the top-level GtkWindow associated with a particular
278 * front end instance.
280 void *get_window(void *frontend)
282 struct gui_data *inst = (struct gui_data *)frontend;
287 * Minimise or restore the window in response to a server-side
290 void set_iconic(void *frontend, int iconic)
293 * GTK 1.2 doesn't know how to do this.
295 #if GTK_CHECK_VERSION(2,0,0)
296 struct gui_data *inst = (struct gui_data *)frontend;
298 gtk_window_iconify(GTK_WINDOW(inst->window));
300 gtk_window_deiconify(GTK_WINDOW(inst->window));
305 * Move the window in response to a server-side request.
307 void move_window(void *frontend, int x, int y)
309 struct gui_data *inst = (struct gui_data *)frontend;
311 * I assume that when the GTK version of this call is available
312 * we should use it. Not sure how it differs from the GDK one,
315 #if GTK_CHECK_VERSION(2,0,0)
316 gtk_window_move(GTK_WINDOW(inst->window), x, y);
318 gdk_window_move(inst->window->window, x, y);
323 * Move the window to the top or bottom of the z-order in response
324 * to a server-side request.
326 void set_zorder(void *frontend, int top)
328 struct gui_data *inst = (struct gui_data *)frontend;
330 gdk_window_raise(inst->window->window);
332 gdk_window_lower(inst->window->window);
336 * Refresh the window in response to a server-side request.
338 void refresh_window(void *frontend)
340 struct gui_data *inst = (struct gui_data *)frontend;
341 term_invalidate(inst->term);
345 * Maximise or restore the window in response to a server-side
348 void set_zoomed(void *frontend, int zoomed)
351 * GTK 1.2 doesn't know how to do this.
353 #if GTK_CHECK_VERSION(2,0,0)
354 struct gui_data *inst = (struct gui_data *)frontend;
356 gtk_window_maximize(GTK_WINDOW(inst->window));
358 gtk_window_unmaximize(GTK_WINDOW(inst->window));
363 * Report whether the window is iconic, for terminal reports.
365 int is_iconic(void *frontend)
367 struct gui_data *inst = (struct gui_data *)frontend;
368 return !gdk_window_is_viewable(inst->window->window);
372 * Report the window's position, for terminal reports.
374 void get_window_pos(void *frontend, int *x, int *y)
376 struct gui_data *inst = (struct gui_data *)frontend;
378 * I assume that when the GTK version of this call is available
379 * we should use it. Not sure how it differs from the GDK one,
382 #if GTK_CHECK_VERSION(2,0,0)
383 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
385 gdk_window_get_position(inst->window->window, x, y);
390 * Report the window's pixel size, for terminal reports.
392 void get_window_pixels(void *frontend, int *x, int *y)
394 struct gui_data *inst = (struct gui_data *)frontend;
396 * I assume that when the GTK version of this call is available
397 * we should use it. Not sure how it differs from the GDK one,
400 #if GTK_CHECK_VERSION(2,0,0)
401 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
403 gdk_window_get_size(inst->window->window, x, y);
408 * Return the window or icon title.
410 char *get_window_title(void *frontend, int icon)
412 struct gui_data *inst = (struct gui_data *)frontend;
413 return icon ? inst->icontitle : inst->wintitle;
416 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
418 struct gui_data *inst = (struct gui_data *)data;
419 if (!inst->exited && conf_get_int(inst->conf, CONF_warn_on_close)) {
420 if (!reallyclose(inst))
426 static void update_mouseptr(struct gui_data *inst)
428 switch (inst->busy_status) {
430 if (!inst->mouseptr_visible) {
431 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
432 } else if (send_raw_mouse) {
433 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
435 gdk_window_set_cursor(inst->area->window, inst->textcursor);
438 case BUSY_WAITING: /* XXX can we do better? */
440 /* We always display these cursors. */
441 gdk_window_set_cursor(inst->area->window, inst->waitcursor);
448 static void show_mouseptr(struct gui_data *inst, int show)
450 if (!conf_get_int(inst->conf, CONF_hide_mouseptr))
452 inst->mouseptr_visible = show;
453 update_mouseptr(inst);
456 void draw_backing_rect(struct gui_data *inst)
458 GdkGC *gc = gdk_gc_new(inst->area->window);
459 gdk_gc_set_foreground(gc, &inst->cols[258]); /* default background */
460 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
461 inst->width * inst->font_width + 2*inst->window_border,
462 inst->height * inst->font_height + 2*inst->window_border);
466 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
468 struct gui_data *inst = (struct gui_data *)data;
469 int w, h, need_size = 0;
472 * See if the terminal size has changed, in which case we must
473 * let the terminal know.
475 w = (event->width - 2*inst->window_border) / inst->font_width;
476 h = (event->height - 2*inst->window_border) / inst->font_height;
477 if (w != inst->width || h != inst->height) {
480 conf_set_int(inst->conf, CONF_width, inst->width);
481 conf_set_int(inst->conf, CONF_height, inst->height);
486 gdk_pixmap_unref(inst->pixmap);
490 inst->pixmap = gdk_pixmap_new(widget->window,
491 (w * inst->font_width + 2*inst->window_border),
492 (h * inst->font_height + 2*inst->window_border), -1);
494 draw_backing_rect(inst);
496 if (need_size && inst->term) {
497 term_size(inst->term, h, w, conf_get_int(inst->conf, CONF_savelines));
501 term_invalidate(inst->term);
503 #if GTK_CHECK_VERSION(2,0,0)
504 gtk_im_context_set_client_window(inst->imc, widget->window);
510 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
512 struct gui_data *inst = (struct gui_data *)data;
515 * Pass the exposed rectangle to terminal.c, which will call us
516 * back to do the actual painting.
519 gdk_draw_pixmap(widget->window,
520 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
522 event->area.x, event->area.y,
523 event->area.x, event->area.y,
524 event->area.width, event->area.height);
529 #define KEY_PRESSED(k) \
530 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
532 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
534 struct gui_data *inst = (struct gui_data *)data;
536 wchar_t ucsoutput[2];
537 int ucsval, start, end, special, output_charset, use_ucsoutput;
538 int nethack_mode, app_keypad_mode;
540 /* Remember the timestamp. */
541 inst->input_event_time = event->time;
543 /* By default, nothing is generated. */
545 special = use_ucsoutput = FALSE;
546 output_charset = CS_ISO8859_1;
549 * If Alt is being released after typing an Alt+numberpad
550 * sequence, we should generate the code that was typed.
552 * Note that we only do this if more than one key was actually
553 * pressed - I don't think Alt+NumPad4 should be ^D or that
554 * Alt+NumPad3 should be ^C, for example. There's no serious
555 * inconvenience in having to type a zero before a single-digit
558 if (event->type == GDK_KEY_RELEASE) {
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 >= 0 && inst->alt_digits > 1) {
563 printf("Alt key up, keycode = %d\n", inst->alt_keycode);
566 * FIXME: we might usefully try to do something clever here
567 * about interpreting the generated key code in a way that's
568 * appropriate to the line code page.
570 output[0] = inst->alt_keycode;
574 #if GTK_CHECK_VERSION(2,0,0)
575 if (gtk_im_context_filter_keypress(inst->imc, event))
580 if (event->type == GDK_KEY_PRESS) {
584 printf("keypress: keyval = %04x, state = %08x; string =",
585 event->keyval, event->state);
586 for (i = 0; event->string[i]; i++)
587 printf(" %02x", (unsigned char) event->string[i]);
593 * NYI: Compose key (!!! requires Unicode faff before even trying)
597 * If Alt has just been pressed, we start potentially
598 * accumulating an Alt+numberpad code. We do this by
599 * setting alt_keycode to -1 (nothing yet but plausible).
601 if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
602 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
603 inst->alt_keycode = -1;
604 inst->alt_digits = 0;
605 goto done; /* this generates nothing else */
609 * If we're seeing a numberpad key press with Mod1 down,
610 * consider adding it to alt_keycode if that's sensible.
611 * Anything _else_ with Mod1 down cancels any possibility
612 * of an ALT keycode: we set alt_keycode to -2.
614 if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
616 switch (event->keyval) {
617 case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
618 case GDK_KP_1: case GDK_KP_End: digit = 1; break;
619 case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
620 case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
621 case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
622 case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
623 case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
624 case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
625 case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
626 case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
629 inst->alt_keycode = -2; /* it's invalid */
632 printf("Adding digit %d to keycode %d", digit,
635 if (inst->alt_keycode == -1)
636 inst->alt_keycode = digit; /* one-digit code */
638 inst->alt_keycode = inst->alt_keycode * 10 + digit;
641 printf(" gives new code %d\n", inst->alt_keycode);
643 /* Having used this digit, we now do nothing more with it. */
649 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
652 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
653 term_scroll(inst->term, 0, -inst->height/2);
656 if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
657 term_scroll(inst->term, 0, -1);
660 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
661 term_scroll(inst->term, 0, +inst->height/2);
664 if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
665 term_scroll(inst->term, 0, +1);
670 * Neither does Shift-Ins.
672 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
678 use_ucsoutput = FALSE;
680 nethack_mode = conf_get_int(inst->conf, CONF_nethack_keypad);
681 app_keypad_mode = (inst->term->app_keypad_keys &&
682 !conf_get_int(inst->conf, CONF_no_applic_k));
684 /* ALT+things gives leading Escape. */
686 #if !GTK_CHECK_VERSION(2,0,0)
688 * In vanilla X, and hence also GDK 1.2, the string received
689 * as part of a keyboard event is assumed to be in
690 * ISO-8859-1. (Seems woefully shortsighted in i18n terms,
691 * but it's true: see the man page for XLookupString(3) for
694 output_charset = CS_ISO8859_1;
695 strncpy(output+1, event->string, lenof(output)-1);
698 * Most things can now be passed to
699 * gtk_im_context_filter_keypress without breaking anything
700 * below this point. An exception is the numeric keypad if
701 * we're in Nethack or application mode: the IM will eat
702 * numeric keypad presses if Num Lock is on, but we don't want
705 if (app_keypad_mode &&
706 (event->keyval == GDK_Num_Lock ||
707 event->keyval == GDK_KP_Divide ||
708 event->keyval == GDK_KP_Multiply ||
709 event->keyval == GDK_KP_Subtract ||
710 event->keyval == GDK_KP_Add ||
711 event->keyval == GDK_KP_Enter ||
712 event->keyval == GDK_KP_0 ||
713 event->keyval == GDK_KP_Insert ||
714 event->keyval == GDK_KP_1 ||
715 event->keyval == GDK_KP_End ||
716 event->keyval == GDK_KP_2 ||
717 event->keyval == GDK_KP_Down ||
718 event->keyval == GDK_KP_3 ||
719 event->keyval == GDK_KP_Page_Down ||
720 event->keyval == GDK_KP_4 ||
721 event->keyval == GDK_KP_Left ||
722 event->keyval == GDK_KP_5 ||
723 event->keyval == GDK_KP_Begin ||
724 event->keyval == GDK_KP_6 ||
725 event->keyval == GDK_KP_Right ||
726 event->keyval == GDK_KP_7 ||
727 event->keyval == GDK_KP_Home ||
728 event->keyval == GDK_KP_8 ||
729 event->keyval == GDK_KP_Up ||
730 event->keyval == GDK_KP_9 ||
731 event->keyval == GDK_KP_Page_Up ||
732 event->keyval == GDK_KP_Decimal ||
733 event->keyval == GDK_KP_Delete)) {
734 /* app keypad; do nothing */
735 } else if (nethack_mode &&
736 (event->keyval == GDK_KP_1 ||
737 event->keyval == GDK_KP_End ||
738 event->keyval == GDK_KP_2 ||
739 event->keyval == GDK_KP_Down ||
740 event->keyval == GDK_KP_3 ||
741 event->keyval == GDK_KP_Page_Down ||
742 event->keyval == GDK_KP_4 ||
743 event->keyval == GDK_KP_Left ||
744 event->keyval == GDK_KP_5 ||
745 event->keyval == GDK_KP_Begin ||
746 event->keyval == GDK_KP_6 ||
747 event->keyval == GDK_KP_Right ||
748 event->keyval == GDK_KP_7 ||
749 event->keyval == GDK_KP_Home ||
750 event->keyval == GDK_KP_8 ||
751 event->keyval == GDK_KP_Up ||
752 event->keyval == GDK_KP_9 ||
753 event->keyval == GDK_KP_Page_Up)) {
754 /* nethack mode; do nothing */
756 if (gtk_im_context_filter_keypress(inst->imc, event))
761 * GDK 2.0 arranges to have done some translation for us: in
762 * GDK 2.0, event->string is encoded in the current locale.
764 * So we use the standard C library function mbstowcs() to
765 * convert from the current locale into Unicode; from there
766 * we can convert to whatever PuTTY is currently working in.
767 * (In fact I convert straight back to UTF-8 from
768 * wide-character Unicode, for the sake of simplicity: that
769 * way we can still use exactly the same code to manipulate
770 * the string, such as prefixing ESC.)
772 output_charset = CS_UTF8;
774 wchar_t widedata[32];
779 wlen = mb_to_wc(DEFAULT_CODEPAGE, 0,
780 event->string, strlen(event->string),
781 widedata, lenof(widedata)-1);
784 ulen = charset_from_unicode(&wp, &wlen, output+1, lenof(output)-2,
785 CS_UTF8, NULL, NULL, 0);
786 output[1+ulen] = '\0';
791 (ucsval = keysym_to_unicode(event->keyval)) >= 0) {
792 ucsoutput[0] = '\033';
793 ucsoutput[1] = ucsval;
794 use_ucsoutput = TRUE;
797 output[lenof(output)-1] = '\0';
798 end = strlen(output);
800 if (event->state & GDK_MOD1_MASK) {
802 if (end == 1) end = 0;
806 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
807 if (!output[1] && event->keyval == '`' &&
808 (event->state & GDK_CONTROL_MASK)) {
810 use_ucsoutput = FALSE;
814 /* Control-Break sends a Break special to the backend */
815 if (event->keyval == GDK_Break &&
816 (event->state & GDK_CONTROL_MASK)) {
818 inst->back->special(inst->backhandle, TS_BRK);
822 /* We handle Return ourselves, because it needs to be flagged as
823 * special to ldisc. */
824 if (event->keyval == GDK_Return) {
826 use_ucsoutput = FALSE;
831 /* Control-2, Control-Space and Control-@ are NUL */
833 (event->keyval == ' ' || event->keyval == '2' ||
834 event->keyval == '@') &&
835 (event->state & (GDK_SHIFT_MASK |
836 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
838 use_ucsoutput = FALSE;
842 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
843 if (!output[1] && event->keyval == ' ' &&
844 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
845 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
847 output_charset = CS_ISO8859_1;
848 use_ucsoutput = FALSE;
852 /* We don't let GTK tell us what Backspace is! We know better. */
853 if (event->keyval == GDK_BackSpace &&
854 !(event->state & GDK_SHIFT_MASK)) {
855 output[1] = conf_get_int(inst->conf, CONF_bksp_is_delete) ?
857 use_ucsoutput = FALSE;
861 /* For Shift Backspace, do opposite of what is configured. */
862 if (event->keyval == GDK_BackSpace &&
863 (event->state & GDK_SHIFT_MASK)) {
864 output[1] = conf_get_int(inst->conf, CONF_bksp_is_delete) ?
866 use_ucsoutput = FALSE;
871 /* Shift-Tab is ESC [ Z */
872 if (event->keyval == GDK_ISO_Left_Tab ||
873 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
874 end = 1 + sprintf(output+1, "\033[Z");
875 use_ucsoutput = FALSE;
877 /* And normal Tab is Tab, if the keymap hasn't already told us.
878 * (Curiously, at least one version of the MacOS 10.5 X server
879 * doesn't translate Tab for us. */
880 if (event->keyval == GDK_Tab && end <= 1) {
886 * NetHack keypad mode.
890 switch (event->keyval) {
891 case GDK_KP_1: case GDK_KP_End: keys = "bB\002"; break;
892 case GDK_KP_2: case GDK_KP_Down: keys = "jJ\012"; break;
893 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN\016"; break;
894 case GDK_KP_4: case GDK_KP_Left: keys = "hH\010"; break;
895 case GDK_KP_5: case GDK_KP_Begin: keys = "..."; break;
896 case GDK_KP_6: case GDK_KP_Right: keys = "lL\014"; break;
897 case GDK_KP_7: case GDK_KP_Home: keys = "yY\031"; break;
898 case GDK_KP_8: case GDK_KP_Up: keys = "kK\013"; break;
899 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU\025"; break;
903 if (event->state & GDK_CONTROL_MASK)
905 else if (event->state & GDK_SHIFT_MASK)
909 use_ucsoutput = FALSE;
915 * Application keypad mode.
917 if (app_keypad_mode) {
919 switch (event->keyval) {
920 case GDK_Num_Lock: xkey = 'P'; break;
921 case GDK_KP_Divide: xkey = 'Q'; break;
922 case GDK_KP_Multiply: xkey = 'R'; break;
923 case GDK_KP_Subtract: xkey = 'S'; break;
925 * Keypad + is tricky. It covers a space that would
926 * be taken up on the VT100 by _two_ keys; so we
927 * let Shift select between the two. Worse still,
928 * in xterm function key mode we change which two...
931 if (conf_get_int(inst->conf, CONF_funky_type) == FUNKY_XTERM) {
932 if (event->state & GDK_SHIFT_MASK)
936 } else if (event->state & GDK_SHIFT_MASK)
941 case GDK_KP_Enter: xkey = 'M'; break;
942 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
943 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
944 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
945 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
946 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
947 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
948 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
949 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
950 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
951 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
952 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
955 if (inst->term->vt52_mode) {
956 if (xkey >= 'P' && xkey <= 'S')
957 end = 1 + sprintf(output+1, "\033%c", xkey);
959 end = 1 + sprintf(output+1, "\033?%c", xkey);
961 end = 1 + sprintf(output+1, "\033O%c", xkey);
962 use_ucsoutput = FALSE;
968 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
969 * for integer decimal nn.)
971 * We also deal with the weird ones here. Linux VCs replace F1
972 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
973 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
978 int funky_type = conf_get_int(inst->conf, CONF_funky_type);
979 switch (event->keyval) {
981 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
984 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
987 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
990 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
993 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
996 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
999 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
1002 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
1005 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
1008 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
1041 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
1042 case GDK_Home: case GDK_KP_Home:
1045 case GDK_Insert: case GDK_KP_Insert:
1048 case GDK_Delete: case GDK_KP_Delete:
1051 case GDK_End: case GDK_KP_End:
1054 case GDK_Page_Up: case GDK_KP_Page_Up:
1057 case GDK_Page_Down: case GDK_KP_Page_Down:
1061 /* Reorder edit keys to physical order */
1062 if (funky_type == FUNKY_VT400 && code <= 6)
1063 code = "\0\2\1\4\5\3\6"[code];
1065 if (inst->term->vt52_mode && code > 0 && code <= 6) {
1066 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
1067 use_ucsoutput = FALSE;
1071 if (funky_type == FUNKY_SCO && /* SCO function keys */
1072 code >= 11 && code <= 34) {
1073 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
1075 switch (event->keyval) {
1076 case GDK_F1: index = 0; break;
1077 case GDK_F2: index = 1; break;
1078 case GDK_F3: index = 2; break;
1079 case GDK_F4: index = 3; break;
1080 case GDK_F5: index = 4; break;
1081 case GDK_F6: index = 5; break;
1082 case GDK_F7: index = 6; break;
1083 case GDK_F8: index = 7; break;
1084 case GDK_F9: index = 8; break;
1085 case GDK_F10: index = 9; break;
1086 case GDK_F11: index = 10; break;
1087 case GDK_F12: index = 11; break;
1089 if (event->state & GDK_SHIFT_MASK) index += 12;
1090 if (event->state & GDK_CONTROL_MASK) index += 24;
1091 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
1092 use_ucsoutput = FALSE;
1095 if (funky_type == FUNKY_SCO && /* SCO small keypad */
1096 code >= 1 && code <= 6) {
1097 char codes[] = "HL.FIG";
1102 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
1104 use_ucsoutput = FALSE;
1107 if ((inst->term->vt52_mode || funky_type == FUNKY_VT100P) &&
1108 code >= 11 && code <= 24) {
1114 if (inst->term->vt52_mode)
1115 end = 1 + sprintf(output+1,
1116 "\x1B%c", code + 'P' - 11 - offt);
1118 end = 1 + sprintf(output+1,
1119 "\x1BO%c", code + 'P' - 11 - offt);
1120 use_ucsoutput = FALSE;
1123 if (funky_type == FUNKY_LINUX && code >= 11 && code <= 15) {
1124 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
1125 use_ucsoutput = FALSE;
1128 if (funky_type == FUNKY_XTERM && code >= 11 && code <= 14) {
1129 if (inst->term->vt52_mode)
1130 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
1132 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
1133 use_ucsoutput = FALSE;
1136 if ((code == 1 || code == 4) &&
1137 conf_get_int(inst->conf, CONF_rxvt_homeend)) {
1138 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
1139 use_ucsoutput = FALSE;
1143 end = 1 + sprintf(output+1, "\x1B[%d~", code);
1144 use_ucsoutput = FALSE;
1150 * Cursor keys. (This includes the numberpad cursor keys,
1151 * if we haven't already done them due to app keypad mode.)
1153 * Here we also process un-numlocked un-appkeypadded KP5,
1154 * which sends ESC [ G.
1158 switch (event->keyval) {
1159 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
1160 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
1161 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
1162 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
1163 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
1166 end = 1 + format_arrow_key(output+1, inst->term, xkey,
1167 event->state & GDK_CONTROL_MASK);
1168 use_ucsoutput = FALSE;
1177 if (end-start > 0) {
1178 #ifdef KEY_DEBUGGING
1180 printf("generating sequence:");
1181 for (i = start; i < end; i++)
1182 printf(" %02x", (unsigned char) output[i]);
1188 * For special control characters, the character set
1189 * should never matter.
1191 output[end] = '\0'; /* NUL-terminate */
1193 ldisc_send(inst->ldisc, output+start, -2, 1);
1194 } else if (!inst->direct_to_font) {
1195 if (!use_ucsoutput) {
1197 lpage_send(inst->ldisc, output_charset, output+start,
1201 * We generated our own Unicode key data from the
1202 * keysym, so use that instead.
1205 luni_send(inst->ldisc, ucsoutput+start, end-start, 1);
1209 * In direct-to-font mode, we just send the string
1210 * exactly as we received it.
1213 ldisc_send(inst->ldisc, output+start, end-start, 1);
1216 show_mouseptr(inst, 0);
1217 term_seen_key_event(inst->term);
1223 #if GTK_CHECK_VERSION(2,0,0)
1224 void input_method_commit_event(GtkIMContext *imc, gchar *str, gpointer data)
1226 struct gui_data *inst = (struct gui_data *)data;
1228 lpage_send(inst->ldisc, CS_UTF8, str, strlen(str), 1);
1229 show_mouseptr(inst, 0);
1230 term_seen_key_event(inst->term);
1234 gboolean button_internal(struct gui_data *inst, guint32 timestamp,
1235 GdkEventType type, guint ebutton, guint state,
1236 gdouble ex, gdouble ey)
1238 int shift, ctrl, alt, x, y, button, act;
1240 /* Remember the timestamp. */
1241 inst->input_event_time = timestamp;
1243 show_mouseptr(inst, 1);
1245 if (ebutton == 4 && type == GDK_BUTTON_PRESS) {
1246 term_scroll(inst->term, 0, -5);
1249 if (ebutton == 5 && type == GDK_BUTTON_PRESS) {
1250 term_scroll(inst->term, 0, +5);
1254 shift = state & GDK_SHIFT_MASK;
1255 ctrl = state & GDK_CONTROL_MASK;
1256 alt = state & GDK_MOD1_MASK;
1258 if (ebutton == 3 && ctrl) {
1259 gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
1260 ebutton, timestamp);
1266 else if (ebutton == 2)
1267 button = MBT_MIDDLE;
1268 else if (ebutton == 3)
1271 return FALSE; /* don't even know what button! */
1274 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
1275 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
1276 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
1277 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
1278 default: return FALSE; /* don't know this event type */
1281 if (send_raw_mouse && !(shift && conf_get_int(inst->conf,
1282 CONF_mouse_override)) &&
1283 act != MA_CLICK && act != MA_RELEASE)
1284 return TRUE; /* we ignore these in raw mouse mode */
1286 x = (ex - inst->window_border) / inst->font_width;
1287 y = (ey - inst->window_border) / inst->font_height;
1289 term_mouse(inst->term, button, translate_button(button), act,
1290 x, y, shift, ctrl, alt);
1295 gboolean button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
1297 struct gui_data *inst = (struct gui_data *)data;
1298 return button_internal(inst, event->time, event->type, event->button,
1299 event->state, event->x, event->y);
1302 #if GTK_CHECK_VERSION(2,0,0)
1304 * In GTK 2, mouse wheel events have become a new type of event.
1305 * This handler translates them back into button-4 and button-5
1306 * presses so that I don't have to change my old code too much :-)
1308 gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
1310 struct gui_data *inst = (struct gui_data *)data;
1313 if (event->direction == GDK_SCROLL_UP)
1315 else if (event->direction == GDK_SCROLL_DOWN)
1320 return button_internal(inst, event->time, GDK_BUTTON_PRESS,
1321 button, event->state, event->x, event->y);
1325 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1327 struct gui_data *inst = (struct gui_data *)data;
1328 int shift, ctrl, alt, x, y, button;
1330 /* Remember the timestamp. */
1331 inst->input_event_time = event->time;
1333 show_mouseptr(inst, 1);
1335 shift = event->state & GDK_SHIFT_MASK;
1336 ctrl = event->state & GDK_CONTROL_MASK;
1337 alt = event->state & GDK_MOD1_MASK;
1338 if (event->state & GDK_BUTTON1_MASK)
1340 else if (event->state & GDK_BUTTON2_MASK)
1341 button = MBT_MIDDLE;
1342 else if (event->state & GDK_BUTTON3_MASK)
1345 return FALSE; /* don't even know what button! */
1347 x = (event->x - inst->window_border) / inst->font_width;
1348 y = (event->y - inst->window_border) / inst->font_height;
1350 term_mouse(inst->term, button, translate_button(button), MA_DRAG,
1351 x, y, shift, ctrl, alt);
1356 void frontend_keypress(void *handle)
1358 struct gui_data *inst = (struct gui_data *)handle;
1361 * If our child process has exited but not closed, terminate on
1368 static gint idle_exit_func(gpointer data)
1370 struct gui_data *inst = (struct gui_data *)data;
1371 int exitcode, close_on_exit;
1373 if (!inst->exited &&
1374 (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
1375 inst->exited = TRUE;
1376 close_on_exit = conf_get_int(inst->conf, CONF_close_on_exit);
1377 if (close_on_exit == FORCE_ON ||
1378 (close_on_exit == AUTO && exitcode == 0))
1379 gtk_main_quit(); /* just go */
1381 ldisc_free(inst->ldisc);
1384 inst->back->free(inst->backhandle);
1385 inst->backhandle = NULL;
1387 term_provide_resize_fn(inst->term, NULL, NULL);
1388 update_specials_menu(inst);
1389 gtk_widget_set_sensitive(inst->restartitem, TRUE);
1392 gtk_idle_remove(inst->term_exit_idle_id);
1396 void notify_remote_exit(void *frontend)
1398 struct gui_data *inst = (struct gui_data *)frontend;
1400 inst->term_exit_idle_id = gtk_idle_add(idle_exit_func, inst);
1403 static gint idle_toplevel_callback_func(gpointer data)
1405 struct gui_data *inst = (struct gui_data *)data;
1407 run_toplevel_callbacks();
1409 gtk_idle_remove(inst->toplevel_callback_idle_id);
1414 void notify_toplevel_callback(void *frontend)
1416 struct gui_data *inst = (struct gui_data *)frontend;
1418 inst->toplevel_callback_idle_id =
1419 gtk_idle_add(idle_toplevel_callback_func, inst);
1422 static gint timer_trigger(gpointer data)
1424 unsigned long now = GPOINTER_TO_LONG(data);
1425 unsigned long next, then;
1428 if (run_timers(now, &next)) {
1430 now = GETTICKCOUNT();
1431 if (now - then > next - then)
1435 timer_id = gtk_timeout_add(ticks, timer_trigger,
1436 LONG_TO_GPOINTER(next));
1440 * Never let a timer resume. If we need another one, we've
1441 * asked for it explicitly above.
1446 void timer_change_notify(unsigned long next)
1451 gtk_timeout_remove(timer_id);
1453 ticks = next - GETTICKCOUNT();
1455 ticks = 1; /* just in case */
1457 timer_id = gtk_timeout_add(ticks, timer_trigger,
1458 LONG_TO_GPOINTER(next));
1461 void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
1464 * We must process exceptional notifications before ordinary
1465 * readability ones, or we may go straight past the urgent
1468 if (condition & GDK_INPUT_EXCEPTION)
1469 select_result(sourcefd, 4);
1470 if (condition & GDK_INPUT_READ)
1471 select_result(sourcefd, 1);
1472 if (condition & GDK_INPUT_WRITE)
1473 select_result(sourcefd, 2);
1476 void destroy(GtkWidget *widget, gpointer data)
1481 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1483 struct gui_data *inst = (struct gui_data *)data;
1484 term_set_focus(inst->term, event->in);
1485 term_update(inst->term);
1486 show_mouseptr(inst, 1);
1490 void set_busy_status(void *frontend, int status)
1492 struct gui_data *inst = (struct gui_data *)frontend;
1493 inst->busy_status = status;
1494 update_mouseptr(inst);
1498 * set or clear the "raw mouse message" mode
1500 void set_raw_mouse_mode(void *frontend, int activate)
1502 struct gui_data *inst = (struct gui_data *)frontend;
1503 activate = activate && !conf_get_int(inst->conf, CONF_no_mouse_rep);
1504 send_raw_mouse = activate;
1505 update_mouseptr(inst);
1508 void request_resize(void *frontend, int w, int h)
1510 struct gui_data *inst = (struct gui_data *)frontend;
1511 int large_x, large_y;
1512 int offset_x, offset_y;
1514 GtkRequisition inner, outer;
1517 * This is a heinous hack dreamed up by the gnome-terminal
1518 * people to get around a limitation in gtk. The problem is
1519 * that in order to set the size correctly we really need to be
1520 * calling gtk_window_resize - but that needs to know the size
1521 * of the _whole window_, not the drawing area. So what we do
1522 * is to set an artificially huge size request on the drawing
1523 * area, recompute the resulting size request on the window,
1524 * and look at the difference between the two. That gives us
1525 * the x and y offsets we need to translate drawing area size
1526 * into window size for real, and then we call
1527 * gtk_window_resize.
1531 * We start by retrieving the current size of the whole window.
1532 * Adding a bit to _that_ will give us a value we can use as a
1533 * bogus size request which guarantees to be bigger than the
1534 * current size of the drawing area.
1536 get_window_pixels(inst, &large_x, &large_y);
1540 #if GTK_CHECK_VERSION(2,0,0)
1541 gtk_widget_set_size_request(inst->area, large_x, large_y);
1543 gtk_widget_set_usize(inst->area, large_x, large_y);
1545 gtk_widget_size_request(inst->area, &inner);
1546 gtk_widget_size_request(inst->window, &outer);
1548 offset_x = outer.width - inner.width;
1549 offset_y = outer.height - inner.height;
1551 area_x = inst->font_width * w + 2*inst->window_border;
1552 area_y = inst->font_height * h + 2*inst->window_border;
1555 * Now we must set the size request on the drawing area back to
1556 * something sensible before we commit the real resize. Best
1557 * way to do this, I think, is to set it to what the size is
1558 * really going to end up being.
1560 #if GTK_CHECK_VERSION(2,0,0)
1561 gtk_widget_set_size_request(inst->area, area_x, area_y);
1562 gtk_window_resize(GTK_WINDOW(inst->window),
1563 area_x + offset_x, area_y + offset_y);
1565 gtk_widget_set_usize(inst->area, area_x, area_y);
1566 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y);
1568 * I can no longer remember what this call to
1569 * gtk_container_dequeue_resize_handler is for. It was
1570 * introduced in r3092 with no comment, and the commit log
1571 * message was uninformative. I'm _guessing_ its purpose is to
1572 * prevent gratuitous resize processing on the window given
1573 * that we're about to resize it anyway, but I have no idea
1574 * why that's so incredibly vital.
1576 * I've tried removing the call, and nothing seems to go
1577 * wrong. I've backtracked to r3092 and tried removing the
1578 * call there, and still nothing goes wrong. So I'm going to
1579 * adopt the working hypothesis that it's superfluous; I won't
1580 * actually remove it from the GTK 1.2 code, but I won't
1581 * attempt to replicate its functionality in the GTK 2 code
1584 gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window));
1585 gdk_window_resize(inst->window->window,
1586 area_x + offset_x, area_y + offset_y);
1590 static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
1592 gboolean success[1];
1594 inst->cols[n].red = r * 0x0101;
1595 inst->cols[n].green = g * 0x0101;
1596 inst->cols[n].blue = b * 0x0101;
1598 gdk_colormap_free_colors(inst->colmap, inst->cols + n, 1);
1599 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
1600 FALSE, TRUE, success);
1602 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname,
1606 void set_window_background(struct gui_data *inst)
1608 if (inst->area && inst->area->window)
1609 gdk_window_set_background(inst->area->window, &inst->cols[258]);
1610 if (inst->window && inst->window->window)
1611 gdk_window_set_background(inst->window->window, &inst->cols[258]);
1614 void palette_set(void *frontend, int n, int r, int g, int b)
1616 struct gui_data *inst = (struct gui_data *)frontend;
1619 if (n >= NALLCOLOURS)
1621 real_palette_set(inst, n, r, g, b);
1623 /* Default Background changed. Ensure space between text area and
1624 * window border is redrawn */
1625 set_window_background(inst);
1626 draw_backing_rect(inst);
1627 gtk_widget_queue_draw(inst->area);
1631 void palette_reset(void *frontend)
1633 struct gui_data *inst = (struct gui_data *)frontend;
1634 /* This maps colour indices in inst->conf to those used in inst->cols. */
1635 static const int ww[] = {
1636 256, 257, 258, 259, 260, 261,
1637 0, 8, 1, 9, 2, 10, 3, 11,
1638 4, 12, 5, 13, 6, 14, 7, 15
1640 gboolean success[NALLCOLOURS];
1643 assert(lenof(ww) == NCFGCOLOURS);
1645 if (!inst->colmap) {
1646 inst->colmap = gdk_colormap_get_system();
1648 gdk_colormap_free_colors(inst->colmap, inst->cols, NALLCOLOURS);
1651 for (i = 0; i < NCFGCOLOURS; i++) {
1652 inst->cols[ww[i]].red =
1653 conf_get_int_int(inst->conf, CONF_colours, i*3+0) * 0x0101;
1654 inst->cols[ww[i]].green =
1655 conf_get_int_int(inst->conf, CONF_colours, i*3+1) * 0x0101;
1656 inst->cols[ww[i]].blue =
1657 conf_get_int_int(inst->conf, CONF_colours, i*3+2) * 0x0101;
1660 for (i = 0; i < NEXTCOLOURS; i++) {
1662 int r = i / 36, g = (i / 6) % 6, b = i % 6;
1663 inst->cols[i+16].red = r ? r * 0x2828 + 0x3737 : 0;
1664 inst->cols[i+16].green = g ? g * 0x2828 + 0x3737 : 0;
1665 inst->cols[i+16].blue = b ? b * 0x2828 + 0x3737 : 0;
1667 int shade = i - 216;
1668 shade = shade * 0x0a0a + 0x0808;
1669 inst->cols[i+16].red = inst->cols[i+16].green =
1670 inst->cols[i+16].blue = shade;
1674 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NALLCOLOURS,
1675 FALSE, TRUE, success);
1676 for (i = 0; i < NALLCOLOURS; i++) {
1678 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
1680 conf_get_int_int(inst->conf, CONF_colours, i*3+0),
1681 conf_get_int_int(inst->conf, CONF_colours, i*3+1),
1682 conf_get_int_int(inst->conf, CONF_colours, i*3+2));
1685 /* Since Default Background may have changed, ensure that space
1686 * between text area and window border is refreshed. */
1687 set_window_background(inst);
1688 if (inst->area && inst->area->window) {
1689 draw_backing_rect(inst);
1690 gtk_widget_queue_draw(inst->area);
1694 /* Ensure that all the cut buffers exist - according to the ICCCM, we must
1695 * do this before we start using cut buffers.
1697 void init_cutbuffers()
1699 unsigned char empty[] = "";
1700 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1701 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1702 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1703 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1704 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1705 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1706 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1707 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1708 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1709 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1710 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1711 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1712 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1713 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1714 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1715 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1718 /* Store the data in a cut-buffer. */
1719 void store_cutbuffer(char * ptr, int len)
1721 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1722 XRotateBuffers(GDK_DISPLAY(), 1);
1723 XStoreBytes(GDK_DISPLAY(), ptr, len);
1726 /* Retrieve data from a cut-buffer.
1727 * Returned data needs to be freed with XFree().
1729 char * retrieve_cutbuffer(int * nbytes)
1732 ptr = XFetchBytes(GDK_DISPLAY(), nbytes);
1733 if (*nbytes <= 0 && ptr != 0) {
1740 void write_clip(void *frontend, wchar_t * data, int *attr, int len, int must_deselect)
1742 struct gui_data *inst = (struct gui_data *)frontend;
1743 if (inst->pasteout_data)
1744 sfree(inst->pasteout_data);
1745 if (inst->pasteout_data_ctext)
1746 sfree(inst->pasteout_data_ctext);
1747 if (inst->pasteout_data_utf8)
1748 sfree(inst->pasteout_data_utf8);
1751 * Set up UTF-8 and compound text paste data. This only happens
1752 * if we aren't in direct-to-font mode using the D800 hack.
1754 if (!inst->direct_to_font) {
1755 const wchar_t *tmp = data;
1760 inst->pasteout_data_utf8 = snewn(len*6, char);
1761 inst->pasteout_data_utf8_len = len*6;
1762 inst->pasteout_data_utf8_len =
1763 charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
1764 inst->pasteout_data_utf8_len,
1765 CS_UTF8, NULL, NULL, 0);
1766 if (inst->pasteout_data_utf8_len == 0) {
1767 sfree(inst->pasteout_data_utf8);
1768 inst->pasteout_data_utf8 = NULL;
1770 inst->pasteout_data_utf8 =
1771 sresize(inst->pasteout_data_utf8,
1772 inst->pasteout_data_utf8_len + 1, char);
1773 inst->pasteout_data_utf8[inst->pasteout_data_utf8_len] = '\0';
1777 * Now let Xlib convert our UTF-8 data into compound text.
1779 list[0] = inst->pasteout_data_utf8;
1780 if (Xutf8TextListToTextProperty(GDK_DISPLAY(), list, 1,
1781 XCompoundTextStyle, &tp) == 0) {
1782 inst->pasteout_data_ctext = snewn(tp.nitems+1, char);
1783 memcpy(inst->pasteout_data_ctext, tp.value, tp.nitems);
1784 inst->pasteout_data_ctext_len = tp.nitems;
1787 inst->pasteout_data_ctext = NULL;
1788 inst->pasteout_data_ctext_len = 0;
1791 inst->pasteout_data_utf8 = NULL;
1792 inst->pasteout_data_utf8_len = 0;
1793 inst->pasteout_data_ctext = NULL;
1794 inst->pasteout_data_ctext_len = 0;
1797 inst->pasteout_data = snewn(len*6, char);
1798 inst->pasteout_data_len = len*6;
1799 inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
1800 data, len, inst->pasteout_data,
1801 inst->pasteout_data_len,
1803 if (inst->pasteout_data_len == 0) {
1804 sfree(inst->pasteout_data);
1805 inst->pasteout_data = NULL;
1807 inst->pasteout_data =
1808 sresize(inst->pasteout_data, inst->pasteout_data_len, char);
1811 store_cutbuffer(inst->pasteout_data, inst->pasteout_data_len);
1813 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
1814 inst->input_event_time)) {
1815 #if GTK_CHECK_VERSION(2,0,0)
1816 gtk_selection_clear_targets(inst->area, GDK_SELECTION_PRIMARY);
1818 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1819 GDK_SELECTION_TYPE_STRING, 1);
1820 if (inst->pasteout_data_ctext)
1821 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1822 compound_text_atom, 1);
1823 if (inst->pasteout_data_utf8)
1824 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1825 utf8_string_atom, 1);
1829 term_deselect(inst->term);
1832 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1833 guint info, guint time_stamp, gpointer data)
1835 struct gui_data *inst = (struct gui_data *)data;
1836 if (seldata->target == utf8_string_atom)
1837 gtk_selection_data_set(seldata, seldata->target, 8,
1838 (unsigned char *)inst->pasteout_data_utf8,
1839 inst->pasteout_data_utf8_len);
1840 else if (seldata->target == compound_text_atom)
1841 gtk_selection_data_set(seldata, seldata->target, 8,
1842 (unsigned char *)inst->pasteout_data_ctext,
1843 inst->pasteout_data_ctext_len);
1845 gtk_selection_data_set(seldata, seldata->target, 8,
1846 (unsigned char *)inst->pasteout_data,
1847 inst->pasteout_data_len);
1850 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1853 struct gui_data *inst = (struct gui_data *)data;
1855 term_deselect(inst->term);
1856 if (inst->pasteout_data)
1857 sfree(inst->pasteout_data);
1858 if (inst->pasteout_data_ctext)
1859 sfree(inst->pasteout_data_ctext);
1860 if (inst->pasteout_data_utf8)
1861 sfree(inst->pasteout_data_utf8);
1862 inst->pasteout_data = NULL;
1863 inst->pasteout_data_len = 0;
1864 inst->pasteout_data_ctext = NULL;
1865 inst->pasteout_data_ctext_len = 0;
1866 inst->pasteout_data_utf8 = NULL;
1867 inst->pasteout_data_utf8_len = 0;
1871 void request_paste(void *frontend)
1873 struct gui_data *inst = (struct gui_data *)frontend;
1875 * In Unix, pasting is asynchronous: all we can do at the
1876 * moment is to call gtk_selection_convert(), and when the data
1877 * comes back _then_ we can call term_do_paste().
1880 if (!inst->direct_to_font) {
1882 * First we attempt to retrieve the selection as a UTF-8
1883 * string (which we will convert to the correct code page
1884 * before sending to the session, of course). If that
1885 * fails, selection_received() will be informed and will
1886 * fall back to an ordinary string.
1888 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1890 inst->input_event_time);
1893 * If we're in direct-to-font mode, we disable UTF-8
1894 * pasting, and go straight to ordinary string data.
1896 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1897 GDK_SELECTION_TYPE_STRING,
1898 inst->input_event_time);
1902 gint idle_paste_func(gpointer data); /* forward ref */
1904 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
1905 guint time, gpointer data)
1907 struct gui_data *inst = (struct gui_data *)data;
1911 int length, count, ret;
1912 int free_list_required = 0;
1913 int free_required = 0;
1916 if (seldata->target == utf8_string_atom && seldata->length <= 0) {
1918 * Failed to get a UTF-8 selection string. Try compound
1921 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1923 inst->input_event_time);
1927 if (seldata->target == compound_text_atom && seldata->length <= 0) {
1929 * Failed to get UTF-8 or compound text. Try an ordinary
1932 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1933 GDK_SELECTION_TYPE_STRING,
1934 inst->input_event_time);
1939 * If we have data, but it's not of a type we can deal with,
1940 * we have to ignore the data.
1942 if (seldata->length > 0 &&
1943 seldata->type != GDK_SELECTION_TYPE_STRING &&
1944 seldata->type != compound_text_atom &&
1945 seldata->type != utf8_string_atom)
1949 * If we have no data, try looking in a cut buffer.
1951 if (seldata->length <= 0) {
1952 text = retrieve_cutbuffer(&length);
1955 /* Xterm is rumoured to expect Latin-1, though I havn't checked the
1956 * source, so use that as a de-facto standard. */
1957 charset = CS_ISO8859_1;
1961 * Convert COMPOUND_TEXT into UTF-8.
1963 if (seldata->type == compound_text_atom) {
1964 tp.value = seldata->data;
1965 tp.encoding = (Atom) seldata->type;
1966 tp.format = seldata->format;
1967 tp.nitems = seldata->length;
1968 ret = Xutf8TextPropertyToTextList(GDK_DISPLAY(), &tp,
1970 if (ret != 0 || count != 1) {
1972 * Compound text failed; fall back to STRING.
1974 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1975 GDK_SELECTION_TYPE_STRING,
1976 inst->input_event_time);
1980 length = strlen(list[0]);
1982 free_list_required = 1;
1984 text = (char *)seldata->data;
1985 length = seldata->length;
1986 charset = (seldata->type == utf8_string_atom ?
1987 CS_UTF8 : inst->ucsdata.line_codepage);
1991 if (inst->pastein_data)
1992 sfree(inst->pastein_data);
1994 inst->pastein_data = snewn(length, wchar_t);
1995 inst->pastein_data_len = length;
1996 inst->pastein_data_len =
1997 mb_to_wc(charset, 0, text, length,
1998 inst->pastein_data, inst->pastein_data_len);
2000 term_do_paste(inst->term);
2002 if (term_paste_pending(inst->term))
2003 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
2005 if (free_list_required)
2006 XFreeStringList(list);
2011 gint idle_paste_func(gpointer data)
2013 struct gui_data *inst = (struct gui_data *)data;
2015 if (term_paste_pending(inst->term))
2016 term_paste(inst->term);
2018 gtk_idle_remove(inst->term_paste_idle_id);
2024 void get_clip(void *frontend, wchar_t ** p, int *len)
2026 struct gui_data *inst = (struct gui_data *)frontend;
2029 *p = inst->pastein_data;
2030 *len = inst->pastein_data_len;
2034 static void set_window_titles(struct gui_data *inst)
2037 * We must always call set_icon_name after calling set_title,
2038 * since set_title will write both names. Irritating, but such
2041 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
2042 if (!conf_get_int(inst->conf, CONF_win_name_always))
2043 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
2046 void set_title(void *frontend, char *title)
2048 struct gui_data *inst = (struct gui_data *)frontend;
2049 sfree(inst->wintitle);
2050 inst->wintitle = dupstr(title);
2051 set_window_titles(inst);
2054 void set_icon(void *frontend, char *title)
2056 struct gui_data *inst = (struct gui_data *)frontend;
2057 sfree(inst->icontitle);
2058 inst->icontitle = dupstr(title);
2059 set_window_titles(inst);
2062 void set_title_and_icon(void *frontend, char *title, char *icon)
2064 struct gui_data *inst = (struct gui_data *)frontend;
2065 sfree(inst->wintitle);
2066 inst->wintitle = dupstr(title);
2067 sfree(inst->icontitle);
2068 inst->icontitle = dupstr(icon);
2069 set_window_titles(inst);
2072 void set_sbar(void *frontend, int total, int start, int page)
2074 struct gui_data *inst = (struct gui_data *)frontend;
2075 if (!conf_get_int(inst->conf, CONF_scrollbar))
2077 inst->sbar_adjust->lower = 0;
2078 inst->sbar_adjust->upper = total;
2079 inst->sbar_adjust->value = start;
2080 inst->sbar_adjust->page_size = page;
2081 inst->sbar_adjust->step_increment = 1;
2082 inst->sbar_adjust->page_increment = page/2;
2083 inst->ignore_sbar = TRUE;
2084 gtk_adjustment_changed(inst->sbar_adjust);
2085 inst->ignore_sbar = FALSE;
2088 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
2090 struct gui_data *inst = (struct gui_data *)data;
2092 if (!conf_get_int(inst->conf, CONF_scrollbar))
2094 if (!inst->ignore_sbar)
2095 term_scroll(inst->term, 1, (int)adj->value);
2098 void sys_cursor(void *frontend, int x, int y)
2101 * This is meaningless under X.
2106 * This is still called when mode==BELL_VISUAL, even though the
2107 * visual bell is handled entirely within terminal.c, because we
2108 * may want to perform additional actions on any kind of bell (for
2109 * example, taskbar flashing in Windows).
2111 void do_beep(void *frontend, int mode)
2113 if (mode == BELL_DEFAULT)
2117 int char_width(Context ctx, int uc)
2120 * Under X, any fixed-width font really _is_ fixed-width.
2121 * Double-width characters will be dealt with using a separate
2122 * font. For the moment we can simply return 1.
2124 * FIXME: but is that also true of Pango?
2129 Context get_ctx(void *frontend)
2131 struct gui_data *inst = (struct gui_data *)frontend;
2132 struct draw_ctx *dctx;
2134 if (!inst->area->window)
2137 dctx = snew(struct draw_ctx);
2139 dctx->gc = gdk_gc_new(inst->area->window);
2143 void free_ctx(Context ctx)
2145 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
2146 /* struct gui_data *inst = dctx->inst; */
2147 GdkGC *gc = dctx->gc;
2153 * Draw a line of text in the window, at given character
2154 * coordinates, in given attributes.
2156 * We are allowed to fiddle with the contents of `text'.
2158 void do_text_internal(Context ctx, int x, int y, wchar_t *text, int len,
2159 unsigned long attr, int lattr)
2161 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
2162 struct gui_data *inst = dctx->inst;
2163 GdkGC *gc = dctx->gc;
2164 int ncombining, combining;
2165 int nfg, nbg, t, fontid, shadow, rlen, widefactor, bold;
2166 int monochrome = gtk_widget_get_visual(inst->area)->depth == 1;
2168 if (attr & TATTR_COMBINING) {
2174 nfg = ((monochrome ? ATTR_DEFFG : (attr & ATTR_FGMASK)) >> ATTR_FGSHIFT);
2175 nbg = ((monochrome ? ATTR_DEFBG : (attr & ATTR_BGMASK)) >> ATTR_BGSHIFT);
2176 if (!!(attr & ATTR_REVERSE) ^ (monochrome && (attr & TATTR_ACTCURS))) {
2181 if ((inst->bold_style & 2) && (attr & ATTR_BOLD)) {
2182 if (nfg < 16) nfg |= 8;
2183 else if (nfg >= 256) nfg |= 1;
2185 if ((inst->bold_style & 2) && (attr & ATTR_BLINK)) {
2186 if (nbg < 16) nbg |= 8;
2187 else if (nbg >= 256) nbg |= 1;
2189 if ((attr & TATTR_ACTCURS) && !monochrome) {
2194 fontid = shadow = 0;
2196 if (attr & ATTR_WIDE) {
2203 if ((attr & ATTR_BOLD) && (inst->bold_style & 1)) {
2210 if (!inst->fonts[fontid]) {
2213 * Fall back through font ids with subsets of this one's
2214 * set bits, in order.
2216 for (i = fontid; i-- > 0 ;) {
2218 continue; /* some other bit is set */
2219 if (inst->fonts[i]) {
2224 assert(inst->fonts[fontid]); /* we should at least have hit zero */
2227 if ((lattr & LATTR_MODE) != LATTR_NORM) {
2229 if (x >= inst->term->cols)
2231 if (x + len*2*widefactor > inst->term->cols)
2232 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
2240 r.x = x*inst->font_width+inst->window_border;
2241 r.y = y*inst->font_height+inst->window_border;
2242 r.width = rlen*widefactor*inst->font_width;
2243 r.height = inst->font_height;
2244 gdk_gc_set_clip_rectangle(gc, &r);
2247 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
2248 gdk_draw_rectangle(inst->pixmap, gc, 1,
2249 x*inst->font_width+inst->window_border,
2250 y*inst->font_height+inst->window_border,
2251 rlen*widefactor*inst->font_width, inst->font_height);
2253 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
2254 for (combining = 0; combining < ncombining; combining++) {
2255 unifont_draw_text(inst->pixmap, gc, inst->fonts[fontid],
2256 x*inst->font_width+inst->window_border,
2257 y*inst->font_height+inst->window_border+inst->fonts[0]->ascent,
2258 text + combining, len, widefactor > 1,
2259 bold, inst->font_width);
2262 if (attr & ATTR_UNDER) {
2263 int uheight = inst->fonts[0]->ascent + 1;
2264 if (uheight >= inst->font_height)
2265 uheight = inst->font_height - 1;
2266 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->window_border,
2267 y*inst->font_height + uheight + inst->window_border,
2268 (x+len)*widefactor*inst->font_width-1+inst->window_border,
2269 y*inst->font_height + uheight + inst->window_border);
2272 if ((lattr & LATTR_MODE) != LATTR_NORM) {
2274 * I can't find any plausible StretchBlt equivalent in the
2275 * X server, so I'm going to do this the slow and painful
2276 * way. This will involve repeated calls to
2277 * gdk_draw_pixmap() to stretch the text horizontally. It's
2278 * O(N^2) in time and O(N) in network bandwidth, but you
2279 * try thinking of a better way. :-(
2282 for (i = 0; i < len * widefactor * inst->font_width; i++) {
2283 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
2284 x*inst->font_width+inst->window_border + 2*i,
2285 y*inst->font_height+inst->window_border,
2286 x*inst->font_width+inst->window_border + 2*i+1,
2287 y*inst->font_height+inst->window_border,
2288 len * widefactor * inst->font_width - i, inst->font_height);
2291 if ((lattr & LATTR_MODE) != LATTR_WIDE) {
2293 /* Now stretch vertically, in the same way. */
2294 if ((lattr & LATTR_MODE) == LATTR_BOT)
2298 for (i = 0; i < inst->font_height; i+=2) {
2299 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
2300 x*inst->font_width+inst->window_border,
2301 y*inst->font_height+inst->window_border+dt*i+db,
2302 x*inst->font_width+inst->window_border,
2303 y*inst->font_height+inst->window_border+dt*(i+1),
2304 len * widefactor * inst->font_width, inst->font_height-i-1);
2310 void do_text(Context ctx, int x, int y, wchar_t *text, int len,
2311 unsigned long attr, int lattr)
2313 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
2314 struct gui_data *inst = dctx->inst;
2315 GdkGC *gc = dctx->gc;
2318 do_text_internal(ctx, x, y, text, len, attr, lattr);
2320 if (attr & ATTR_WIDE) {
2326 if ((lattr & LATTR_MODE) != LATTR_NORM) {
2328 if (x >= inst->term->cols)
2330 if (x + len*2*widefactor > inst->term->cols)
2331 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
2335 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
2336 x*inst->font_width+inst->window_border,
2337 y*inst->font_height+inst->window_border,
2338 x*inst->font_width+inst->window_border,
2339 y*inst->font_height+inst->window_border,
2340 len*widefactor*inst->font_width, inst->font_height);
2343 void do_cursor(Context ctx, int x, int y, wchar_t *text, int len,
2344 unsigned long attr, int lattr)
2346 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
2347 struct gui_data *inst = dctx->inst;
2348 GdkGC *gc = dctx->gc;
2350 int active, passive, widefactor;
2352 if (attr & TATTR_PASCURS) {
2353 attr &= ~TATTR_PASCURS;
2357 if ((attr & TATTR_ACTCURS) && inst->cursor_type != 0) {
2358 attr &= ~TATTR_ACTCURS;
2362 do_text_internal(ctx, x, y, text, len, attr, lattr);
2364 if (attr & TATTR_COMBINING)
2367 if (attr & ATTR_WIDE) {
2373 if ((lattr & LATTR_MODE) != LATTR_NORM) {
2375 if (x >= inst->term->cols)
2377 if (x + len*2*widefactor > inst->term->cols)
2378 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
2382 if (inst->cursor_type == 0) {
2384 * An active block cursor will already have been done by
2385 * the above do_text call, so we only need to do anything
2389 gdk_gc_set_foreground(gc, &inst->cols[261]);
2390 gdk_draw_rectangle(inst->pixmap, gc, 0,
2391 x*inst->font_width+inst->window_border,
2392 y*inst->font_height+inst->window_border,
2393 len*widefactor*inst->font_width-1, inst->font_height-1);
2397 int startx, starty, dx, dy, length, i;
2401 if ((attr & ATTR_WIDE) || (lattr & LATTR_MODE) != LATTR_NORM)
2402 char_width = 2*inst->font_width;
2404 char_width = inst->font_width;
2406 if (inst->cursor_type == 1) {
2407 uheight = inst->fonts[0]->ascent + 1;
2408 if (uheight >= inst->font_height)
2409 uheight = inst->font_height - 1;
2411 startx = x * inst->font_width + inst->window_border;
2412 starty = y * inst->font_height + inst->window_border + uheight;
2415 length = len * widefactor * char_width;
2418 if (attr & TATTR_RIGHTCURS)
2419 xadjust = char_width - 1;
2420 startx = x * inst->font_width + inst->window_border + xadjust;
2421 starty = y * inst->font_height + inst->window_border;
2424 length = inst->font_height;
2427 gdk_gc_set_foreground(gc, &inst->cols[261]);
2429 for (i = 0; i < length; i++) {
2431 gdk_draw_point(inst->pixmap, gc, startx, starty);
2436 } else if (active) {
2437 gdk_draw_line(inst->pixmap, gc, startx, starty,
2438 startx + (length-1) * dx, starty + (length-1) * dy);
2439 } /* else no cursor (e.g., blinked off) */
2442 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
2443 x*inst->font_width+inst->window_border,
2444 y*inst->font_height+inst->window_border,
2445 x*inst->font_width+inst->window_border,
2446 y*inst->font_height+inst->window_border,
2447 len*widefactor*inst->font_width, inst->font_height);
2449 #if GTK_CHECK_VERSION(2,0,0)
2451 GdkRectangle cursorrect;
2452 cursorrect.x = x*inst->font_width+inst->window_border;
2453 cursorrect.y = y*inst->font_height+inst->window_border;
2454 cursorrect.width = len*widefactor*inst->font_width;
2455 cursorrect.height = inst->font_height;
2456 gtk_im_context_set_cursor_location(inst->imc, &cursorrect);
2461 GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
2464 * Truly hideous hack: GTK doesn't allow us to set the mouse
2465 * cursor foreground and background colours unless we've _also_
2466 * created our own cursor from bitmaps. Therefore, I need to
2467 * load the `cursor' font and draw glyphs from it on to
2468 * pixmaps, in order to construct my cursors with the fg and bg
2469 * I want. This is a gross hack, but it's more self-contained
2470 * than linking in Xlib to find the X window handle to
2471 * inst->area and calling XRecolorCursor, and it's more
2472 * futureproof than hard-coding the shapes as bitmap arrays.
2474 static GdkFont *cursor_font = NULL;
2475 GdkPixmap *source, *mask;
2477 GdkColor cfg = { 0, 65535, 65535, 65535 };
2478 GdkColor cbg = { 0, 0, 0, 0 };
2479 GdkColor dfg = { 1, 65535, 65535, 65535 };
2480 GdkColor dbg = { 0, 0, 0, 0 };
2483 gint lb, rb, wid, asc, desc, w, h, x, y;
2485 if (cursor_val == -2) {
2486 gdk_font_unref(cursor_font);
2490 if (cursor_val >= 0 && !cursor_font) {
2491 cursor_font = gdk_font_load("cursor");
2493 gdk_font_ref(cursor_font);
2497 * Get the text extent of the cursor in question. We use the
2498 * mask character for this, because it's typically slightly
2499 * bigger than the main character.
2501 if (cursor_val >= 0) {
2503 text[0] = (char)cursor_val + 1;
2504 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
2505 w = rb-lb; h = asc+desc; x = -lb; y = asc;
2511 source = gdk_pixmap_new(NULL, w, h, 1);
2512 mask = gdk_pixmap_new(NULL, w, h, 1);
2515 * Draw the mask character on the mask pixmap.
2517 gc = gdk_gc_new(mask);
2518 gdk_gc_set_foreground(gc, &dbg);
2519 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
2520 if (cursor_val >= 0) {
2522 text[0] = (char)cursor_val + 1;
2523 gdk_gc_set_foreground(gc, &dfg);
2524 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
2529 * Draw the main character on the source pixmap.
2531 gc = gdk_gc_new(source);
2532 gdk_gc_set_foreground(gc, &dbg);
2533 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
2534 if (cursor_val >= 0) {
2536 text[0] = (char)cursor_val;
2537 gdk_gc_set_foreground(gc, &dfg);
2538 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
2543 * Create the cursor.
2545 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
2550 gdk_pixmap_unref(source);
2551 gdk_pixmap_unref(mask);
2556 void modalfatalbox(char *p, ...)
2559 fprintf(stderr, "FATAL ERROR: ");
2561 vfprintf(stderr, p, ap);
2563 fputc('\n', stderr);
2567 void cmdline_error(char *p, ...)
2570 fprintf(stderr, "%s: ", appname);
2572 vfprintf(stderr, p, ap);
2574 fputc('\n', stderr);
2578 char *get_x_display(void *frontend)
2580 return gdk_get_display();
2583 long get_windowid(void *frontend)
2585 struct gui_data *inst = (struct gui_data *)frontend;
2586 return (long)GDK_WINDOW_XWINDOW(inst->area->window);
2589 static void help(FILE *fp) {
2591 "pterm option summary:\n"
2593 " --display DISPLAY Specify X display to use (note '--')\n"
2594 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
2595 " -fn FONT Normal text font\n"
2596 " -fb FONT Bold text font\n"
2597 " -geometry GEOMETRY Position and size of window (size in characters)\n"
2598 " -sl LINES Number of lines of scrollback\n"
2599 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
2600 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
2601 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
2602 " -T TITLE Window title\n"
2603 " -ut, +ut Do(default) or do not update utmp\n"
2604 " -ls, +ls Do(default) or do not make shell a login shell\n"
2605 " -sb, +sb Do(default) or do not display a scrollbar\n"
2606 " -log PATH Log all output to a file\n"
2607 " -nethack Map numeric keypad to hjklyubn direction keys\n"
2608 " -xrm RESOURCE-STRING Set an X resource\n"
2609 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
2610 ) < 0 || fflush(fp) < 0) {
2611 perror("output error");
2616 static void version(FILE *fp) {
2617 if(fprintf(fp, "%s: %s\n", appname, ver) < 0 || fflush(fp) < 0) {
2618 perror("output error");
2623 int do_cmdline(int argc, char **argv, int do_everything, int *allow_launch,
2624 struct gui_data *inst, Conf *conf)
2630 * Macros to make argument handling easier. Note that because
2631 * they need to call `continue', they cannot be contained in
2632 * the usual do {...} while (0) wrapper to make them
2633 * syntactically single statements; hence it is not legal to
2634 * use one of these macros as an unbraced statement between
2637 #define EXPECTS_ARG { \
2638 if (--argc <= 0) { \
2640 fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
2645 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2647 while (--argc > 0) {
2652 * Shameless cheating. Debian requires all X terminal
2653 * emulators to support `-T title'; but
2654 * cmdline_process_param will eat -T (it means no-pty) and
2655 * complain that pterm doesn't support it. So, in pterm
2656 * only, we convert -T into -title.
2658 if ((cmdline_tooltype & TOOLTYPE_NONNETWORK) &&
2662 ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
2663 do_everything ? 1 : -1, conf);
2666 cmdline_error("option \"%s\" requires an argument", p);
2667 } else if (ret == 2) {
2668 --argc, ++argv; /* skip next argument */
2670 } else if (ret == 1) {
2674 if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
2678 fs = fontspec_new(val);
2679 conf_set_fontspec(conf, CONF_font, fs);
2682 } else if (!strcmp(p, "-fb")) {
2686 fs = fontspec_new(val);
2687 conf_set_fontspec(conf, CONF_boldfont, fs);
2690 } else if (!strcmp(p, "-fw")) {
2694 fs = fontspec_new(val);
2695 conf_set_fontspec(conf, CONF_widefont, fs);
2698 } else if (!strcmp(p, "-fwb")) {
2702 fs = fontspec_new(val);
2703 conf_set_fontspec(conf, CONF_wideboldfont, fs);
2706 } else if (!strcmp(p, "-cs")) {
2709 conf_set_str(conf, CONF_line_codepage, val);
2711 } else if (!strcmp(p, "-geometry")) {
2717 flags = XParseGeometry(val, &x, &y, &w, &h);
2718 if (flags & WidthValue)
2719 conf_set_int(conf, CONF_width, w);
2720 if (flags & HeightValue)
2721 conf_set_int(conf, CONF_height, h);
2723 if (flags & (XValue | YValue)) {
2726 inst->gotpos = TRUE;
2727 inst->gravity = ((flags & XNegative ? 1 : 0) |
2728 (flags & YNegative ? 2 : 0));
2731 } else if (!strcmp(p, "-sl")) {
2734 conf_set_int(conf, CONF_savelines, atoi(val));
2736 } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
2737 !strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
2738 !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
2743 if (!gdk_color_parse(val, &col)) {
2745 fprintf(stderr, "%s: unable to parse colour \"%s\"\n",
2749 index = (!strcmp(p, "-fg") ? 0 :
2750 !strcmp(p, "-bg") ? 2 :
2751 !strcmp(p, "-bfg") ? 1 :
2752 !strcmp(p, "-bbg") ? 3 :
2753 !strcmp(p, "-cfg") ? 4 :
2754 !strcmp(p, "-cbg") ? 5 : -1);
2755 assert(index != -1);
2756 conf_set_int_int(conf, CONF_colours, index*3+0, col.red / 256);
2757 conf_set_int_int(conf, CONF_colours, index*3+1,col.green/ 256);
2758 conf_set_int_int(conf, CONF_colours, index*3+2, col.blue/ 256);
2761 } else if (use_pty_argv && !strcmp(p, "-e")) {
2762 /* This option swallows all further arguments. */
2768 pty_argv = snewn(argc+1, char *);
2770 for (i = 0; i < argc; i++)
2771 pty_argv[i] = argv[i];
2772 pty_argv[argc] = NULL;
2773 break; /* finished command-line processing */
2775 err = 1, fprintf(stderr, "%s: -e expects an argument\n",
2778 } else if (!strcmp(p, "-title")) {
2781 conf_set_str(conf, CONF_wintitle, val);
2783 } else if (!strcmp(p, "-log")) {
2787 fn = filename_from_str(val);
2788 conf_set_filename(conf, CONF_logfilename, fn);
2789 conf_set_int(conf, CONF_logtype, LGTYP_DEBUG);
2792 } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
2794 conf_set_int(conf, CONF_stamp_utmp, 0);
2796 } else if (!strcmp(p, "-ut")) {
2798 conf_set_int(conf, CONF_stamp_utmp, 1);
2800 } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
2802 conf_set_int(conf, CONF_login_shell, 0);
2804 } else if (!strcmp(p, "-ls")) {
2806 conf_set_int(conf, CONF_login_shell, 1);
2808 } else if (!strcmp(p, "-nethack")) {
2810 conf_set_int(conf, CONF_nethack_keypad, 1);
2812 } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
2814 conf_set_int(conf, CONF_scrollbar, 0);
2816 } else if (!strcmp(p, "-sb")) {
2818 conf_set_int(conf, CONF_scrollbar, 1);
2820 } else if (!strcmp(p, "-name")) {
2824 } else if (!strcmp(p, "-xrm")) {
2826 provide_xrm_string(val);
2828 } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
2832 } else if(!strcmp(p, "-version") || !strcmp(p, "--version")) {
2836 } else if (!strcmp(p, "-pgpfp")) {
2840 } else if(p[0] != '-' && (!do_everything ||
2841 process_nonoption_arg(p, conf,
2847 fprintf(stderr, "%s: unrecognized option '%s'\n", appname, p);
2854 int uxsel_input_add(int fd, int rwx) {
2856 if (rwx & 1) flags |= GDK_INPUT_READ;
2857 if (rwx & 2) flags |= GDK_INPUT_WRITE;
2858 if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
2860 return gdk_input_add(fd, flags, fd_input_func, NULL);
2863 void uxsel_input_remove(int id) {
2864 gdk_input_remove(id);
2867 int frontend_net_pending_error_idle_id;
2868 int frontend_got_net_pending_errors = FALSE;
2869 gboolean frontend_net_pending_errors(gpointer data)
2871 net_pending_errors();
2872 gtk_idle_remove(frontend_net_pending_error_idle_id);
2873 frontend_got_net_pending_errors = FALSE;
2876 void frontend_net_error_pending(void)
2878 if (!frontend_got_net_pending_errors) {
2879 frontend_got_net_pending_errors = TRUE;
2880 frontend_net_pending_error_idle_id =
2881 gtk_idle_add(frontend_net_pending_errors, NULL);
2885 char *setup_fonts_ucs(struct gui_data *inst)
2887 int shadowbold = conf_get_int(inst->conf, CONF_shadowbold);
2888 int shadowboldoffset = conf_get_int(inst->conf, CONF_shadowboldoffset);
2893 fs = conf_get_fontspec(inst->conf, CONF_font);
2894 fonts[0] = multifont_create(inst->area, fs->name, FALSE, FALSE,
2895 shadowboldoffset, shadowbold);
2897 return dupprintf("unable to load font \"%s\"", fs->name);
2900 fs = conf_get_fontspec(inst->conf, CONF_boldfont);
2901 if (shadowbold || !fs->name[0]) {
2904 fonts[1] = multifont_create(inst->area, fs->name, FALSE, TRUE,
2905 shadowboldoffset, shadowbold);
2908 unifont_destroy(fonts[0]);
2909 return dupprintf("unable to load bold font \"%s\"", fs->name);
2913 fs = conf_get_fontspec(inst->conf, CONF_widefont);
2915 fonts[2] = multifont_create(inst->area, fs->name, TRUE, FALSE,
2916 shadowboldoffset, shadowbold);
2918 for (i = 0; i < 2; i++)
2920 unifont_destroy(fonts[i]);
2921 return dupprintf("%s: unable to load wide font \"%s\"", fs->name);
2927 fs = conf_get_fontspec(inst->conf, CONF_wideboldfont);
2928 if (shadowbold || !fs->name[0]) {
2931 fonts[3] = multifont_create(inst->area, fs->name, TRUE, TRUE,
2932 shadowboldoffset, shadowbold);
2934 for (i = 0; i < 3; i++)
2936 unifont_destroy(fonts[i]);
2937 return dupprintf("%s: unable to load wide bold font \"%s\"",
2943 * Now we've got past all the possible error conditions, we can
2944 * actually update our state.
2947 for (i = 0; i < 4; i++) {
2949 unifont_destroy(inst->fonts[i]);
2950 inst->fonts[i] = fonts[i];
2953 inst->font_width = inst->fonts[0]->width;
2954 inst->font_height = inst->fonts[0]->height;
2956 inst->direct_to_font = init_ucs(&inst->ucsdata,
2957 conf_get_str(inst->conf, CONF_line_codepage),
2958 conf_get_int(inst->conf, CONF_utf8_override),
2959 inst->fonts[0]->public_charset,
2960 conf_get_int(inst->conf, CONF_vtmode));
2965 void set_geom_hints(struct gui_data *inst)
2968 geom.min_width = inst->font_width + 2*inst->window_border;
2969 geom.min_height = inst->font_height + 2*inst->window_border;
2970 geom.max_width = geom.max_height = -1;
2971 geom.base_width = 2*inst->window_border;
2972 geom.base_height = 2*inst->window_border;
2973 geom.width_inc = inst->font_width;
2974 geom.height_inc = inst->font_height;
2975 geom.min_aspect = geom.max_aspect = 0;
2976 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
2977 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
2978 GDK_HINT_RESIZE_INC);
2981 void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
2983 struct gui_data *inst = (struct gui_data *)data;
2984 term_clrsb(inst->term);
2987 void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
2989 struct gui_data *inst = (struct gui_data *)data;
2990 term_pwron(inst->term, TRUE);
2992 ldisc_send(inst->ldisc, NULL, 0, 0);
2995 void copy_all_menuitem(GtkMenuItem *item, gpointer data)
2997 struct gui_data *inst = (struct gui_data *)data;
2998 term_copyall(inst->term);
3001 void special_menuitem(GtkMenuItem *item, gpointer data)
3003 struct gui_data *inst = (struct gui_data *)data;
3004 int code = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
3008 inst->back->special(inst->backhandle, code);
3011 void about_menuitem(GtkMenuItem *item, gpointer data)
3013 struct gui_data *inst = (struct gui_data *)data;
3014 about_box(inst->window);
3017 void event_log_menuitem(GtkMenuItem *item, gpointer data)
3019 struct gui_data *inst = (struct gui_data *)data;
3020 showeventlog(inst->eventlogstuff, inst->window);
3023 void change_settings_menuitem(GtkMenuItem *item, gpointer data)
3025 /* This maps colour indices in inst->conf to those used in inst->cols. */
3026 static const int ww[] = {
3027 256, 257, 258, 259, 260, 261,
3028 0, 8, 1, 9, 2, 10, 3, 11,
3029 4, 12, 5, 13, 6, 14, 7, 15
3031 struct gui_data *inst = (struct gui_data *)data;
3033 Conf *oldconf, *newconf;
3034 int i, j, need_size;
3036 assert(lenof(ww) == NCFGCOLOURS);
3038 if (inst->reconfiguring)
3041 inst->reconfiguring = TRUE;
3043 title = dupcat(appname, " Reconfiguration", NULL);
3045 oldconf = inst->conf;
3046 newconf = conf_copy(inst->conf);
3048 if (do_config_box(title, newconf, 1,
3049 inst->back?inst->back->cfg_info(inst->backhandle):0)) {
3050 inst->conf = newconf;
3052 /* Pass new config data to the logging module */
3053 log_reconfig(inst->logctx, inst->conf);
3055 * Flush the line discipline's edit buffer in the case
3056 * where local editing has just been disabled.
3059 ldisc_configure(inst->ldisc, inst->conf);
3060 ldisc_send(inst->ldisc, NULL, 0, 0);
3062 /* Pass new config data to the terminal */
3063 term_reconfig(inst->term, inst->conf);
3064 /* Pass new config data to the back end */
3066 inst->back->reconfig(inst->backhandle, inst->conf);
3068 cache_conf_values(inst);
3071 * Just setting inst->conf is sufficient to cause colour
3072 * setting changes to appear on the next ESC]R palette
3073 * reset. But we should also check whether any colour
3074 * settings have been changed, and revert the ones that have
3075 * to the new default, on the assumption that the user is
3076 * most likely to want an immediate update.
3078 for (i = 0; i < NCFGCOLOURS; i++) {
3079 for (j = 0; j < 3; j++)
3080 if (conf_get_int_int(oldconf, CONF_colours, i*3+j) !=
3081 conf_get_int_int(newconf, CONF_colours, i*3+j))
3084 real_palette_set(inst, ww[i],
3085 conf_get_int_int(newconf,CONF_colours,i*3+0),
3086 conf_get_int_int(newconf,CONF_colours,i*3+1),
3087 conf_get_int_int(newconf,CONF_colours,i*3+2));
3090 * If the default background has changed, we must
3091 * repaint the space in between the window border
3092 * and the text area.
3095 set_window_background(inst);
3096 draw_backing_rect(inst);
3102 * If the scrollbar needs to be shown, hidden, or moved
3103 * from one end to the other of the window, do so now.
3105 if (conf_get_int(oldconf, CONF_scrollbar) !=
3106 conf_get_int(newconf, CONF_scrollbar)) {
3107 if (conf_get_int(newconf, CONF_scrollbar))
3108 gtk_widget_show(inst->sbar);
3110 gtk_widget_hide(inst->sbar);
3112 if (conf_get_int(oldconf, CONF_scrollbar_on_left) !=
3113 conf_get_int(newconf, CONF_scrollbar_on_left)) {
3114 gtk_box_reorder_child(inst->hbox, inst->sbar,
3115 conf_get_int(newconf, CONF_scrollbar_on_left)
3120 * Change the window title, if required.
3122 if (strcmp(conf_get_str(oldconf, CONF_wintitle),
3123 conf_get_str(newconf, CONF_wintitle)))
3124 set_title(inst, conf_get_str(newconf, CONF_wintitle));
3125 set_window_titles(inst);
3128 * Redo the whole tangled fonts and Unicode mess if
3132 if (strcmp(conf_get_fontspec(oldconf, CONF_font)->name,
3133 conf_get_fontspec(newconf, CONF_font)->name) ||
3134 strcmp(conf_get_fontspec(oldconf, CONF_boldfont)->name,
3135 conf_get_fontspec(newconf, CONF_boldfont)->name) ||
3136 strcmp(conf_get_fontspec(oldconf, CONF_widefont)->name,
3137 conf_get_fontspec(newconf, CONF_widefont)->name) ||
3138 strcmp(conf_get_fontspec(oldconf, CONF_wideboldfont)->name,
3139 conf_get_fontspec(newconf, CONF_wideboldfont)->name) ||
3140 strcmp(conf_get_str(oldconf, CONF_line_codepage),
3141 conf_get_str(newconf, CONF_line_codepage)) ||
3142 conf_get_int(oldconf, CONF_utf8_override) !=
3143 conf_get_int(newconf, CONF_utf8_override) ||
3144 conf_get_int(oldconf, CONF_vtmode) !=
3145 conf_get_int(newconf, CONF_vtmode) ||
3146 conf_get_int(oldconf, CONF_shadowbold) !=
3147 conf_get_int(newconf, CONF_shadowbold) ||
3148 conf_get_int(oldconf, CONF_shadowboldoffset) !=
3149 conf_get_int(newconf, CONF_shadowboldoffset)) {
3150 char *errmsg = setup_fonts_ucs(inst);
3153 dupprintf("Could not change fonts in terminal window: %s\n",
3155 messagebox(inst->window, "Font setup error", msgboxtext,
3156 string_width("Could not change fonts in terminal window:"),
3167 * Resize the window.
3169 if (conf_get_int(oldconf, CONF_width) !=
3170 conf_get_int(newconf, CONF_width) ||
3171 conf_get_int(oldconf, CONF_height) !=
3172 conf_get_int(newconf, CONF_height) ||
3173 conf_get_int(oldconf, CONF_window_border) !=
3174 conf_get_int(newconf, CONF_window_border) ||
3176 set_geom_hints(inst);
3177 request_resize(inst, conf_get_int(newconf, CONF_width),
3178 conf_get_int(newconf, CONF_height));
3181 * The above will have caused a call to term_size() for
3182 * us if it happened. If the user has fiddled with only
3183 * the scrollback size, the above will not have
3184 * happened and we will need an explicit term_size()
3187 if (conf_get_int(oldconf, CONF_savelines) !=
3188 conf_get_int(newconf, CONF_savelines))
3189 term_size(inst->term, inst->term->rows, inst->term->cols,
3190 conf_get_int(newconf, CONF_savelines));
3193 term_invalidate(inst->term);
3196 * We do an explicit full redraw here to ensure the window
3197 * border has been redrawn as well as the text area.
3199 gtk_widget_queue_draw(inst->area);
3206 inst->reconfiguring = FALSE;
3209 void fork_and_exec_self(struct gui_data *inst, int fd_to_close, ...)
3212 * Re-execing ourself is not an exact science under Unix. I do
3213 * the best I can by using /proc/self/exe if available and by
3214 * assuming argv[0] can be found on $PATH if not.
3216 * Note that we also have to reconstruct the elements of the
3217 * original argv which gtk swallowed, since the user wants the
3218 * new session to appear on the same X display as the old one.
3226 * Collect the arguments with which to re-exec ourself.
3228 va_start(ap, fd_to_close);
3229 n = 2; /* progname and terminating NULL */
3230 n += inst->ngtkargs;
3231 while (va_arg(ap, char *) != NULL)
3235 args = snewn(n, char *);
3236 args[0] = inst->progname;
3238 for (i = 0; i < inst->ngtkargs; i++)
3239 args[i+1] = inst->gtkargvstart[i];
3242 va_start(ap, fd_to_close);
3243 while ((args[i++] = va_arg(ap, char *)) != NULL);
3249 * Do the double fork.
3263 } else if (pid2 > 0) {
3265 * First child has successfully forked second child. My
3266 * Work Here Is Done. Note the use of _exit rather than
3267 * exit: the latter appears to cause destroy messages
3268 * to be sent to the X server. I suspect gtk uses
3275 * If we reach here, we are the second child, so we now
3276 * actually perform the exec.
3278 if (fd_to_close >= 0)
3281 execv("/proc/self/exe", args);
3282 execvp(inst->progname, args);
3289 waitpid(pid, &status, 0);
3294 void dup_session_menuitem(GtkMenuItem *item, gpointer gdata)
3296 struct gui_data *inst = (struct gui_data *)gdata;
3298 * For this feature we must marshal conf and (possibly) pty_argv
3299 * into a byte stream, create a pipe, and send this byte stream
3300 * to the child through the pipe.
3302 int i, ret, sersize, size;
3307 if (pipe(pipefd) < 0) {
3312 size = sersize = conf_serialised_size(inst->conf);
3313 if (use_pty_argv && pty_argv) {
3314 for (i = 0; pty_argv[i]; i++)
3315 size += strlen(pty_argv[i]) + 1;
3318 data = snewn(size, char);
3319 conf_serialise(inst->conf, data);
3320 if (use_pty_argv && pty_argv) {
3322 for (i = 0; pty_argv[i]; i++) {
3323 strcpy(data + p, pty_argv[i]);
3324 p += strlen(pty_argv[i]) + 1;
3329 sprintf(option, "---[%d,%d]", pipefd[0], size);
3330 noncloexec(pipefd[0]);
3331 fork_and_exec_self(inst, pipefd[1], option, NULL);
3335 while (i < size && (ret = write(pipefd[1], data + i, size - i)) > 0)
3338 perror("write to pipe");
3343 int read_dupsession_data(struct gui_data *inst, Conf *conf, char *arg)
3345 int fd, i, ret, size, size_used;
3348 if (sscanf(arg, "---[%d,%d]", &fd, &size) != 2) {
3349 fprintf(stderr, "%s: malformed magic argument `%s'\n", appname, arg);
3353 data = snewn(size, char);
3355 while (i < size && (ret = read(fd, data + i, size - i)) > 0)
3358 perror("read from pipe");
3360 } else if (i < size) {
3361 fprintf(stderr, "%s: unexpected EOF in Duplicate Session data\n",
3366 size_used = conf_deserialise(conf, data, size);
3367 if (use_pty_argv && size > size_used) {
3371 while (i < size && data[i]) i++;
3373 fprintf(stderr, "%s: malformed Duplicate Session data\n",
3380 pty_argv = snewn(n+1, char *);
3386 while (i < size && data[i]) i++;
3389 pty_argv[n++] = dupstr(p);
3398 void new_session_menuitem(GtkMenuItem *item, gpointer data)
3400 struct gui_data *inst = (struct gui_data *)data;
3402 fork_and_exec_self(inst, -1, NULL);
3405 void restart_session_menuitem(GtkMenuItem *item, gpointer data)
3407 struct gui_data *inst = (struct gui_data *)data;
3410 logevent(inst, "----- Session restarted -----");
3411 term_pwron(inst->term, FALSE);
3412 start_backend(inst);
3413 inst->exited = FALSE;
3417 void saved_session_menuitem(GtkMenuItem *item, gpointer data)
3419 struct gui_data *inst = (struct gui_data *)data;
3420 char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
3422 fork_and_exec_self(inst, -1, "-load", str, NULL);
3425 void saved_session_freedata(GtkMenuItem *item, gpointer data)
3427 char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
3432 static void update_savedsess_menu(GtkMenuItem *menuitem, gpointer data)
3434 struct gui_data *inst = (struct gui_data *)data;
3435 struct sesslist sesslist;
3438 gtk_container_foreach(GTK_CONTAINER(inst->sessionsmenu),
3439 (GtkCallback)gtk_widget_destroy, NULL);
3441 get_sesslist(&sesslist, TRUE);
3442 /* skip sesslist.sessions[0] == Default Settings */
3443 for (i = 1; i < sesslist.nsessions; i++) {
3444 GtkWidget *menuitem =
3445 gtk_menu_item_new_with_label(sesslist.sessions[i]);
3446 gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
3447 gtk_widget_show(menuitem);
3448 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
3449 dupstr(sesslist.sessions[i]));
3450 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
3451 GTK_SIGNAL_FUNC(saved_session_menuitem),
3453 gtk_signal_connect(GTK_OBJECT(menuitem), "destroy",
3454 GTK_SIGNAL_FUNC(saved_session_freedata),
3457 if (sesslist.nsessions <= 1) {
3458 GtkWidget *menuitem =
3459 gtk_menu_item_new_with_label("(No sessions)");
3460 gtk_widget_set_sensitive(menuitem, FALSE);
3461 gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
3462 gtk_widget_show(menuitem);
3464 get_sesslist(&sesslist, FALSE); /* free up */
3467 void set_window_icon(GtkWidget *window, const char *const *const *icon,
3471 GdkBitmap *iconmask;
3472 #if GTK_CHECK_VERSION(2,0,0)
3480 gtk_widget_realize(window);
3481 iconpm = gdk_pixmap_create_from_xpm_d(window->window, &iconmask,
3482 NULL, (gchar **)icon[0]);
3483 gdk_window_set_icon(window->window, NULL, iconpm, iconmask);
3485 #if GTK_CHECK_VERSION(2,0,0)
3487 for (n = 0; n < n_icon; n++) {
3489 g_list_append(iconlist,
3490 gdk_pixbuf_new_from_xpm_data((const gchar **)
3493 gdk_window_set_icon_list(window->window, iconlist);
3497 void update_specials_menu(void *frontend)
3499 struct gui_data *inst = (struct gui_data *)frontend;
3501 const struct telnet_special *specials;
3504 specials = inst->back->get_specials(inst->backhandle);
3508 /* I believe this disposes of submenus too. */
3509 gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
3510 (GtkCallback)gtk_widget_destroy, NULL);
3513 GtkWidget *menu = inst->specialsmenu;
3514 /* A lame "stack" for submenus that will do for now. */
3515 GtkWidget *saved_menu = NULL;
3517 for (i = 0; nesting > 0; i++) {
3518 GtkWidget *menuitem = NULL;
3519 switch (specials[i].code) {
3521 assert (nesting < 2);
3522 saved_menu = menu; /* XXX lame stacking */
3523 menu = gtk_menu_new();
3524 menuitem = gtk_menu_item_new_with_label(specials[i].name);
3525 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
3526 gtk_container_add(GTK_CONTAINER(saved_menu), menuitem);
3527 gtk_widget_show(menuitem);
3534 menu = saved_menu; /* XXX lame stacking */
3539 menuitem = gtk_menu_item_new();
3542 menuitem = gtk_menu_item_new_with_label(specials[i].name);
3543 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
3544 GINT_TO_POINTER(specials[i].code));
3545 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
3546 GTK_SIGNAL_FUNC(special_menuitem), inst);
3550 gtk_container_add(GTK_CONTAINER(menu), menuitem);
3551 gtk_widget_show(menuitem);
3554 gtk_widget_show(inst->specialsitem1);
3555 gtk_widget_show(inst->specialsitem2);
3557 gtk_widget_hide(inst->specialsitem1);
3558 gtk_widget_hide(inst->specialsitem2);
3562 static void start_backend(struct gui_data *inst)
3564 extern Backend *select_backend(Conf *conf);
3569 inst->back = select_backend(inst->conf);
3571 error = inst->back->init((void *)inst, &inst->backhandle,
3573 conf_get_str(inst->conf, CONF_host),
3574 conf_get_int(inst->conf, CONF_port),
3576 conf_get_int(inst->conf, CONF_tcp_nodelay),
3577 conf_get_int(inst->conf, CONF_tcp_keepalives));
3580 char *msg = dupprintf("Unable to open connection to %s:\n%s",
3581 conf_get_str(inst->conf, CONF_host), error);
3582 inst->exited = TRUE;
3583 fatal_message_box(inst->window, msg);
3588 s = conf_get_str(inst->conf, CONF_wintitle);
3590 set_title_and_icon(inst, s, s);
3592 char *title = make_default_wintitle(realhost);
3593 set_title_and_icon(inst, title, title);
3598 inst->back->provide_logctx(inst->backhandle, inst->logctx);
3600 term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
3603 ldisc_create(inst->conf, inst->term, inst->back, inst->backhandle,
3606 gtk_widget_set_sensitive(inst->restartitem, FALSE);
3609 int pt_main(int argc, char **argv)
3611 extern int cfgbox(Conf *conf);
3612 struct gui_data *inst;
3614 setlocale(LC_CTYPE, "");
3617 * Create an instance structure and initialise to zeroes
3619 inst = snew(struct gui_data);
3620 memset(inst, 0, sizeof(*inst));
3621 inst->alt_keycode = -1; /* this one needs _not_ to be zero */
3622 inst->busy_status = BUSY_NOT;
3623 inst->conf = conf_new();
3624 inst->wintitle = inst->icontitle = NULL;
3626 /* defer any child exit handling until we're ready to deal with
3628 block_signal(SIGCHLD, 1);
3630 inst->progname = argv[0];
3632 * Copy the original argv before letting gtk_init fiddle with
3633 * it. It will be required later.
3637 inst->gtkargvstart = snewn(argc-1, char *);
3638 for (i = 1; i < argc; i++)
3639 inst->gtkargvstart[i-1] = dupstr(argv[i]);
3641 gtk_init(&argc, &argv);
3642 inst->ngtkargs = oldargc - argc;
3645 if (argc > 1 && !strncmp(argv[1], "---", 3)) {
3646 read_dupsession_data(inst, inst->conf, argv[1]);
3647 /* Splatter this argument so it doesn't clutter a ps listing */
3648 smemclr(argv[1], strlen(argv[1]));
3650 /* By default, we bring up the config dialog, rather than launching
3651 * a session. This gets set to TRUE if something happens to change
3652 * that (e.g., a hostname is specified on the command-line). */
3653 int allow_launch = FALSE;
3654 if (do_cmdline(argc, argv, 0, &allow_launch, inst, inst->conf))
3655 exit(1); /* pre-defaults pass to get -class */
3656 do_defaults(NULL, inst->conf);
3657 if (do_cmdline(argc, argv, 1, &allow_launch, inst, inst->conf))
3658 exit(1); /* post-defaults, do everything */
3660 cmdline_run_saved(inst->conf);
3663 allow_launch = TRUE;
3665 if ((!allow_launch || !conf_launchable(inst->conf)) &&
3666 !cfgbox(inst->conf))
3667 exit(0); /* config box hit Cancel */
3670 if (!compound_text_atom)
3671 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
3672 if (!utf8_string_atom)
3673 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
3675 inst->area = gtk_drawing_area_new();
3677 #if GTK_CHECK_VERSION(2,0,0)
3678 inst->imc = gtk_im_multicontext_new();
3682 char *errmsg = setup_fonts_ucs(inst);
3684 fprintf(stderr, "%s: %s\n", appname, errmsg);
3690 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
3692 const char *winclass = conf_get_str(inst->conf, CONF_winclass);
3694 gtk_window_set_wmclass(GTK_WINDOW(inst->window),
3695 winclass, winclass);
3699 * Set up the colour map.
3701 palette_reset(inst);
3703 inst->width = conf_get_int(inst->conf, CONF_width);
3704 inst->height = conf_get_int(inst->conf, CONF_height);
3705 cache_conf_values(inst);
3707 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
3708 inst->font_width * inst->width + 2*inst->window_border,
3709 inst->font_height * inst->height + 2*inst->window_border);
3710 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
3711 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
3712 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
3714 * We always create the scrollbar; it remains invisible if
3715 * unwanted, so we can pop it up quickly if it suddenly becomes
3718 if (conf_get_int(inst->conf, CONF_scrollbar_on_left))
3719 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
3720 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
3721 if (!conf_get_int(inst->conf, CONF_scrollbar_on_left))
3722 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
3724 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
3726 set_geom_hints(inst);
3728 gtk_widget_show(inst->area);
3729 if (conf_get_int(inst->conf, CONF_scrollbar))
3730 gtk_widget_show(inst->sbar);
3732 gtk_widget_hide(inst->sbar);
3733 gtk_widget_show(GTK_WIDGET(inst->hbox));
3736 int x = inst->xpos, y = inst->ypos;
3738 gtk_widget_size_request(GTK_WIDGET(inst->window), &req);
3739 if (inst->gravity & 1) x += gdk_screen_width() - req.width;
3740 if (inst->gravity & 2) y += gdk_screen_height() - req.height;
3741 gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE);
3742 gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y);
3745 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
3746 GTK_SIGNAL_FUNC(destroy), inst);
3747 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
3748 GTK_SIGNAL_FUNC(delete_window), inst);
3749 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
3750 GTK_SIGNAL_FUNC(key_event), inst);
3751 gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
3752 GTK_SIGNAL_FUNC(key_event), inst);
3753 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
3754 GTK_SIGNAL_FUNC(focus_event), inst);
3755 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
3756 GTK_SIGNAL_FUNC(focus_event), inst);
3757 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
3758 GTK_SIGNAL_FUNC(configure_area), inst);
3759 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
3760 GTK_SIGNAL_FUNC(expose_area), inst);
3761 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
3762 GTK_SIGNAL_FUNC(button_event), inst);
3763 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
3764 GTK_SIGNAL_FUNC(button_event), inst);
3765 #if GTK_CHECK_VERSION(2,0,0)
3766 gtk_signal_connect(GTK_OBJECT(inst->area), "scroll_event",
3767 GTK_SIGNAL_FUNC(scroll_event), inst);
3769 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
3770 GTK_SIGNAL_FUNC(motion_event), inst);
3771 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
3772 GTK_SIGNAL_FUNC(selection_received), inst);
3773 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
3774 GTK_SIGNAL_FUNC(selection_get), inst);
3775 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
3776 GTK_SIGNAL_FUNC(selection_clear), inst);
3777 #if GTK_CHECK_VERSION(2,0,0)
3778 g_signal_connect(G_OBJECT(inst->imc), "commit",
3779 G_CALLBACK(input_method_commit_event), inst);
3781 if (conf_get_int(inst->conf, CONF_scrollbar))
3782 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
3783 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
3784 gtk_widget_add_events(GTK_WIDGET(inst->area),
3785 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
3786 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
3787 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
3790 extern const char *const *const main_icon[];
3791 extern const int n_main_icon;
3792 set_window_icon(inst->window, main_icon, n_main_icon);
3795 gtk_widget_show(inst->window);
3797 set_window_background(inst);
3800 * Set up the Ctrl+rightclick context menu.
3803 GtkWidget *menuitem;
3805 extern const int use_event_log, new_session, saved_sessions;
3807 inst->menu = gtk_menu_new();
3809 #define MKMENUITEM(title, func) do \
3811 menuitem = gtk_menu_item_new_with_label(title); \
3812 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
3813 gtk_widget_show(menuitem); \
3814 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
3815 GTK_SIGNAL_FUNC(func), inst); \
3818 #define MKSUBMENU(title) do \
3820 menuitem = gtk_menu_item_new_with_label(title); \
3821 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
3822 gtk_widget_show(menuitem); \
3825 #define MKSEP() do \
3827 menuitem = gtk_menu_item_new(); \
3828 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
3829 gtk_widget_show(menuitem); \
3833 MKMENUITEM("New Session...", new_session_menuitem);
3834 MKMENUITEM("Restart Session", restart_session_menuitem);
3835 inst->restartitem = menuitem;
3836 gtk_widget_set_sensitive(inst->restartitem, FALSE);
3837 MKMENUITEM("Duplicate Session", dup_session_menuitem);
3838 if (saved_sessions) {
3839 inst->sessionsmenu = gtk_menu_new();
3840 /* sessionsmenu will be updated when it's invoked */
3841 /* XXX is this the right way to do dynamic menus in Gtk? */
3842 MKMENUITEM("Saved Sessions", update_savedsess_menu);
3843 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem),
3844 inst->sessionsmenu);
3847 MKMENUITEM("Change Settings...", change_settings_menuitem);
3850 MKMENUITEM("Event Log", event_log_menuitem);
3851 MKSUBMENU("Special Commands");
3852 inst->specialsmenu = gtk_menu_new();
3853 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
3854 inst->specialsitem1 = menuitem;
3856 inst->specialsitem2 = menuitem;
3857 gtk_widget_hide(inst->specialsitem1);
3858 gtk_widget_hide(inst->specialsitem2);
3859 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
3860 MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
3861 MKMENUITEM("Copy All", copy_all_menuitem);
3863 s = dupcat("About ", appname, NULL);
3864 MKMENUITEM(s, about_menuitem);
3871 inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
3872 inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
3873 inst->waitcursor = make_mouse_ptr(inst, GDK_WATCH);
3874 inst->blankcursor = make_mouse_ptr(inst, -1);
3875 make_mouse_ptr(inst, -2); /* clean up cursor font */
3876 inst->currcursor = inst->textcursor;
3877 show_mouseptr(inst, 1);
3879 inst->eventlogstuff = eventlogstuff_new();
3881 request_callback_notifications(notify_toplevel_callback, inst);
3883 inst->term = term_init(inst->conf, &inst->ucsdata, inst);
3884 inst->logctx = log_init(inst, inst->conf);
3885 term_provide_logctx(inst->term, inst->logctx);
3889 term_size(inst->term, inst->height, inst->width,
3890 conf_get_int(inst->conf, CONF_savelines));
3892 start_backend(inst);
3894 ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
3896 /* now we're reday to deal with the child exit handler being
3898 block_signal(SIGCHLD, 0);
3901 * Block SIGPIPE: if we attempt Duplicate Session or similar
3902 * and it falls over in some way, we certainly don't want
3903 * SIGPIPE terminating the main pterm/PuTTY. Note that we do
3904 * this _after_ (at least pterm) forks off its child process,
3905 * since the child wants SIGPIPE handled in the usual way.
3907 block_signal(SIGPIPE, 1);
3909 inst->exited = FALSE;