2 * pterm - a fusion of the PuTTY terminal emulator with a Unix pty
3 * back end, all running as a GTK application. Wish me luck.
18 #include <sys/types.h>
21 #include <gdk/gdkkeysyms.h>
24 #include <X11/Xutil.h>
26 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
31 #define CAT2(x,y) x ## y
32 #define CAT(x,y) CAT2(x,y)
33 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
35 #define NCOLOURS (lenof(((Config *)0)->colours))
38 GtkWidget *window, *area, *sbar;
40 GtkAdjustment *sbar_adjust;
42 GdkFont *fonts[4]; /* normal, bold, wide, widebold */
47 GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
48 GdkColor cols[NCOLOURS];
50 wchar_t *pastein_data;
53 char *pasteout_data, *pasteout_data_utf8;
54 int pasteout_data_len, pasteout_data_utf8_len;
55 int font_width, font_height;
58 guint term_paste_idle_id;
59 GdkAtom compound_text_atom, utf8_string_atom;
62 char wintitle[sizeof(((Config *)0)->wintitle)];
63 char icontitle[sizeof(((Config *)0)->wintitle)];
64 int master_fd, master_func_id;
71 struct unicode_data ucsdata;
77 struct gui_data *inst;
80 static int send_raw_mouse;
82 static char *app_name = "pterm";
84 char *x_get_default(const char *key)
86 return XGetDefault(GDK_DISPLAY(), app_name, key);
89 void connection_fatal(void *frontend, char *p, ...)
91 Terminal *term = (Terminal *)frontend;
92 struct gui_data *inst = (struct gui_data *)term->frontend;
97 msg = dupvprintf(p, ap);
100 fatal_message_box(inst->window, msg);
102 if (inst->cfg.close_on_exit == FORCE_ON)
107 * Default settings that are specific to pterm.
109 FontSpec platform_default_fontspec(const char *name)
112 if (!strcmp(name, "Font"))
113 strcpy(ret.name, "fixed");
119 Filename platform_default_filename(const char *name)
122 if (!strcmp(name, "LogFileName"))
123 strcpy(ret.path, "putty.log");
129 char *platform_default_s(const char *name)
134 int platform_default_i(const char *name, int def)
136 if (!strcmp(name, "CloseOnExit"))
137 return 2; /* maps to FORCE_ON after painful rearrangement :-( */
141 void ldisc_update(void *frontend, int echo, int edit)
144 * This is a stub in pterm. If I ever produce a Unix
145 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
146 * then it will require some termios manoeuvring analogous to
147 * that in the Windows plink.c, but here it's meaningless.
151 int askappend(void *frontend, Filename filename)
154 * Logging in an xterm-alike is liable to be something you only
155 * do at serious diagnostic need. Hence, I'm going to take the
156 * easy option for now and assume we always want to overwrite
157 * log files. I can always make it properly configurable later.
162 void logevent(void *frontend, char *string)
165 * This is not a very helpful function: events are logged
166 * pretty much exclusively by the back end, and our pty back
167 * end is self-contained. So we need do nothing.
171 int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
173 struct gui_data *inst = (struct gui_data *)frontend;
176 return inst->font_height;
178 return inst->font_width;
182 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
183 * into a cooked one (SELECT, EXTEND, PASTE).
185 * In Unix, this is not configurable; the X button arrangement is
186 * rock-solid across all applications, everyone has a three-button
187 * mouse or a means of faking it, and there is no need to switch
188 * buttons around at all.
190 static Mouse_Button translate_button(Mouse_Button button)
192 /* struct gui_data *inst = (struct gui_data *)frontend; */
194 if (button == MBT_LEFT)
196 if (button == MBT_MIDDLE)
198 if (button == MBT_RIGHT)
200 return 0; /* shouldn't happen */
204 * Return the top-level GtkWindow associated with a particular
205 * front end instance.
207 void *get_window(void *frontend)
209 Terminal *term = (Terminal *)frontend;
210 struct gui_data *inst = (struct gui_data *)term->frontend;
215 * Minimise or restore the window in response to a server-side
218 void set_iconic(void *frontend, int iconic)
221 * GTK 1.2 doesn't know how to do this.
223 #if GTK_CHECK_VERSION(2,0,0)
224 struct gui_data *inst = (struct gui_data *)frontend;
226 gtk_window_iconify(GTK_WINDOW(inst->window));
228 gtk_window_deiconify(GTK_WINDOW(inst->window));
233 * Move the window in response to a server-side request.
235 void move_window(void *frontend, int x, int y)
237 struct gui_data *inst = (struct gui_data *)frontend;
239 * I assume that when the GTK version of this call is available
240 * we should use it. Not sure how it differs from the GDK one,
243 #if GTK_CHECK_VERSION(2,0,0)
244 gtk_window_move(GTK_WINDOW(inst->window), x, y);
246 gdk_window_move(inst->window->window, x, y);
251 * Move the window to the top or bottom of the z-order in response
252 * to a server-side request.
254 void set_zorder(void *frontend, int top)
256 struct gui_data *inst = (struct gui_data *)frontend;
258 gdk_window_raise(inst->window->window);
260 gdk_window_lower(inst->window->window);
264 * Refresh the window in response to a server-side request.
266 void refresh_window(void *frontend)
268 struct gui_data *inst = (struct gui_data *)frontend;
269 term_invalidate(inst->term);
273 * Maximise or restore the window in response to a server-side
276 void set_zoomed(void *frontend, int zoomed)
279 * GTK 1.2 doesn't know how to do this.
281 #if GTK_CHECK_VERSION(2,0,0)
282 struct gui_data *inst = (struct gui_data *)frontend;
284 gtk_window_maximize(GTK_WINDOW(inst->window));
286 gtk_window_unmaximize(GTK_WINDOW(inst->window));
291 * Report whether the window is iconic, for terminal reports.
293 int is_iconic(void *frontend)
295 struct gui_data *inst = (struct gui_data *)frontend;
296 return !gdk_window_is_viewable(inst->window->window);
300 * Report the window's position, for terminal reports.
302 void get_window_pos(void *frontend, int *x, int *y)
304 struct gui_data *inst = (struct gui_data *)frontend;
306 * I assume that when the GTK version of this call is available
307 * we should use it. Not sure how it differs from the GDK one,
310 #if GTK_CHECK_VERSION(2,0,0)
311 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
313 gdk_window_get_position(inst->window->window, x, y);
318 * Report the window's pixel size, for terminal reports.
320 void get_window_pixels(void *frontend, int *x, int *y)
322 struct gui_data *inst = (struct gui_data *)frontend;
324 * I assume that when the GTK version of this call is available
325 * we should use it. Not sure how it differs from the GDK one,
328 #if GTK_CHECK_VERSION(2,0,0)
329 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
331 gdk_window_get_size(inst->window->window, x, y);
336 * Return the window or icon title.
338 char *get_window_title(void *frontend, int icon)
340 struct gui_data *inst = (struct gui_data *)frontend;
341 return icon ? inst->wintitle : inst->icontitle;
344 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
347 * We could implement warn-on-close here if we really wanted
353 static void show_mouseptr(struct gui_data *inst, int show)
355 if (!inst->cfg.hide_mouseptr)
358 gdk_window_set_cursor(inst->area->window, inst->currcursor);
360 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
361 inst->mouseptr_visible = show;
364 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
366 struct gui_data *inst = (struct gui_data *)data;
367 int w, h, need_size = 0;
369 w = (event->width - 2*inst->cfg.window_border) / inst->font_width;
370 h = (event->height - 2*inst->cfg.window_border) / inst->font_height;
372 if (w != inst->cfg.width || h != inst->cfg.height) {
374 gdk_pixmap_unref(inst->pixmap);
378 inst->cfg.height = h;
384 inst->pixmap = gdk_pixmap_new(widget->window,
385 (inst->cfg.width * inst->font_width +
386 2*inst->cfg.window_border),
387 (inst->cfg.height * inst->font_height +
388 2*inst->cfg.window_border), -1);
390 gc = gdk_gc_new(inst->area->window);
391 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
392 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
393 inst->cfg.width * inst->font_width + 2*inst->cfg.window_border,
394 inst->cfg.height * inst->font_height + 2*inst->cfg.window_border);
399 term_size(inst->term, h, w, inst->cfg.savelines);
405 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
407 struct gui_data *inst = (struct gui_data *)data;
410 * Pass the exposed rectangle to terminal.c, which will call us
411 * back to do the actual painting.
414 gdk_draw_pixmap(widget->window,
415 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
417 event->area.x, event->area.y,
418 event->area.x, event->area.y,
419 event->area.width, event->area.height);
424 #define KEY_PRESSED(k) \
425 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
427 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
429 struct gui_data *inst = (struct gui_data *)data;
433 /* By default, nothing is generated. */
437 * If Alt is being released after typing an Alt+numberpad
438 * sequence, we should generate the code that was typed.
440 * Note that we only do this if more than one key was actually
441 * pressed - I don't think Alt+NumPad4 should be ^D or that
442 * Alt+NumPad3 should be ^C, for example. There's no serious
443 * inconvenience in having to type a zero before a single-digit
446 if (event->type == GDK_KEY_RELEASE &&
447 (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
448 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
449 inst->alt_keycode >= 0 && inst->alt_digits > 1) {
451 printf("Alt key up, keycode = %d\n", inst->alt_keycode);
453 output[0] = inst->alt_keycode;
458 if (event->type == GDK_KEY_PRESS) {
462 printf("keypress: keyval = %04x, state = %08x; string =",
463 event->keyval, event->state);
464 for (i = 0; event->string[i]; i++)
465 printf(" %02x", (unsigned char) event->string[i]);
471 * NYI: Compose key (!!! requires Unicode faff before even trying)
475 * If Alt has just been pressed, we start potentially
476 * accumulating an Alt+numberpad code. We do this by
477 * setting alt_keycode to -1 (nothing yet but plausible).
479 if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
480 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
481 inst->alt_keycode = -1;
482 inst->alt_digits = 0;
483 goto done; /* this generates nothing else */
487 * If we're seeing a numberpad key press with Mod1 down,
488 * consider adding it to alt_keycode if that's sensible.
489 * Anything _else_ with Mod1 down cancels any possibility
490 * of an ALT keycode: we set alt_keycode to -2.
492 if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
494 switch (event->keyval) {
495 case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
496 case GDK_KP_1: case GDK_KP_End: digit = 1; break;
497 case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
498 case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
499 case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
500 case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
501 case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
502 case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
503 case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
504 case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
507 inst->alt_keycode = -2; /* it's invalid */
510 printf("Adding digit %d to keycode %d", digit,
513 if (inst->alt_keycode == -1)
514 inst->alt_keycode = digit; /* one-digit code */
516 inst->alt_keycode = inst->alt_keycode * 10 + digit;
519 printf(" gives new code %d\n", inst->alt_keycode);
521 /* Having used this digit, we now do nothing more with it. */
527 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
530 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
531 term_scroll(inst->term, 0, -inst->cfg.height/2);
534 if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
535 term_scroll(inst->term, 0, -1);
538 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
539 term_scroll(inst->term, 0, +inst->cfg.height/2);
542 if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
543 term_scroll(inst->term, 0, +1);
548 * Neither does Shift-Ins.
550 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
555 /* ALT+things gives leading Escape. */
557 strncpy(output+1, event->string, 31);
559 end = strlen(output);
560 if (event->state & GDK_MOD1_MASK) {
562 if (end == 1) end = 0;
566 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
567 if (!event->string[0] && event->keyval == '`' &&
568 (event->state & GDK_CONTROL_MASK)) {
573 /* Control-Break is the same as Control-C */
574 if (event->keyval == GDK_Break &&
575 (event->state & GDK_CONTROL_MASK)) {
580 /* Control-2, Control-Space and Control-@ are NUL */
581 if (!event->string[0] &&
582 (event->keyval == ' ' || event->keyval == '2' ||
583 event->keyval == '@') &&
584 (event->state & (GDK_SHIFT_MASK |
585 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
590 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
591 if (!event->string[0] && event->keyval == ' ' &&
592 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
593 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
598 /* We don't let GTK tell us what Backspace is! We know better. */
599 if (event->keyval == GDK_BackSpace &&
600 !(event->state & GDK_SHIFT_MASK)) {
601 output[1] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08';
604 /* For Shift Backspace, do opposite of what is configured. */
605 if (event->keyval == GDK_BackSpace &&
606 (event->state & GDK_SHIFT_MASK)) {
607 output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F';
611 /* Shift-Tab is ESC [ Z */
612 if (event->keyval == GDK_ISO_Left_Tab ||
613 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
614 end = 1 + sprintf(output+1, "\033[Z");
618 * NetHack keypad mode.
620 if (inst->cfg.nethack_keypad) {
622 switch (event->keyval) {
623 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
624 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
625 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
626 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
627 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
628 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
629 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
630 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
631 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
635 if (event->state & GDK_SHIFT_MASK)
644 * Application keypad mode.
646 if (inst->term->app_keypad_keys && !inst->cfg.no_applic_k) {
648 switch (event->keyval) {
649 case GDK_Num_Lock: xkey = 'P'; break;
650 case GDK_KP_Divide: xkey = 'Q'; break;
651 case GDK_KP_Multiply: xkey = 'R'; break;
652 case GDK_KP_Subtract: xkey = 'S'; break;
654 * Keypad + is tricky. It covers a space that would
655 * be taken up on the VT100 by _two_ keys; so we
656 * let Shift select between the two. Worse still,
657 * in xterm function key mode we change which two...
660 if (inst->cfg.funky_type == 2) {
661 if (event->state & GDK_SHIFT_MASK)
665 } else if (event->state & GDK_SHIFT_MASK)
670 case GDK_KP_Enter: xkey = 'M'; break;
671 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
672 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
673 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
674 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
675 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
676 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
677 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
678 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
679 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
680 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
681 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
684 if (inst->term->vt52_mode) {
685 if (xkey >= 'P' && xkey <= 'S')
686 end = 1 + sprintf(output+1, "\033%c", xkey);
688 end = 1 + sprintf(output+1, "\033?%c", xkey);
690 end = 1 + sprintf(output+1, "\033O%c", xkey);
696 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
697 * for integer decimal nn.)
699 * We also deal with the weird ones here. Linux VCs replace F1
700 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
701 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
706 switch (event->keyval) {
708 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
711 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
714 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
717 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
720 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
723 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
726 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
729 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
732 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
735 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
768 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
769 case GDK_Home: case GDK_KP_Home:
772 case GDK_Insert: case GDK_KP_Insert:
775 case GDK_Delete: case GDK_KP_Delete:
778 case GDK_End: case GDK_KP_End:
781 case GDK_Page_Up: case GDK_KP_Page_Up:
784 case GDK_Page_Down: case GDK_KP_Page_Down:
788 /* Reorder edit keys to physical order */
789 if (inst->cfg.funky_type == 3 && code <= 6)
790 code = "\0\2\1\4\5\3\6"[code];
792 if (inst->term->vt52_mode && code > 0 && code <= 6) {
793 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
797 if (inst->cfg.funky_type == 5 && /* SCO function keys */
798 code >= 11 && code <= 34) {
799 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
801 switch (event->keyval) {
802 case GDK_F1: index = 0; break;
803 case GDK_F2: index = 1; break;
804 case GDK_F3: index = 2; break;
805 case GDK_F4: index = 3; break;
806 case GDK_F5: index = 4; break;
807 case GDK_F6: index = 5; break;
808 case GDK_F7: index = 6; break;
809 case GDK_F8: index = 7; break;
810 case GDK_F9: index = 8; break;
811 case GDK_F10: index = 9; break;
812 case GDK_F11: index = 10; break;
813 case GDK_F12: index = 11; break;
815 if (event->state & GDK_SHIFT_MASK) index += 12;
816 if (event->state & GDK_CONTROL_MASK) index += 24;
817 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
820 if (inst->cfg.funky_type == 5 && /* SCO small keypad */
821 code >= 1 && code <= 6) {
822 char codes[] = "HL.FIG";
827 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
831 if ((inst->term->vt52_mode || inst->cfg.funky_type == 4) &&
832 code >= 11 && code <= 24) {
838 if (inst->term->vt52_mode)
839 end = 1 + sprintf(output+1,
840 "\x1B%c", code + 'P' - 11 - offt);
842 end = 1 + sprintf(output+1,
843 "\x1BO%c", code + 'P' - 11 - offt);
846 if (inst->cfg.funky_type == 1 && code >= 11 && code <= 15) {
847 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
850 if (inst->cfg.funky_type == 2 && code >= 11 && code <= 14) {
851 if (inst->term->vt52_mode)
852 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
854 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
857 if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) {
858 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
862 end = 1 + sprintf(output+1, "\x1B[%d~", code);
868 * Cursor keys. (This includes the numberpad cursor keys,
869 * if we haven't already done them due to app keypad mode.)
871 * Here we also process un-numlocked un-appkeypadded KP5,
872 * which sends ESC [ G.
876 switch (event->keyval) {
877 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
878 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
879 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
880 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
881 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
885 * The arrow keys normally do ESC [ A and so on. In
886 * app cursor keys mode they do ESC O A instead.
887 * Ctrl toggles the two modes.
889 if (inst->term->vt52_mode) {
890 end = 1 + sprintf(output+1, "\033%c", xkey);
891 } else if (!inst->term->app_cursor_keys ^
892 !(event->state & GDK_CONTROL_MASK)) {
893 end = 1 + sprintf(output+1, "\033O%c", xkey);
895 end = 1 + sprintf(output+1, "\033[%c", xkey);
908 printf("generating sequence:");
909 for (i = start; i < end; i++)
910 printf(" %02x", (unsigned char) output[i]);
914 if (!inst->direct_to_font) {
916 * The stuff we've just generated is assumed to be
917 * ISO-8859-1! This sounds insane, but `man
918 * XLookupString' agrees: strings of this type returned
919 * from the X server are hardcoded to 8859-1. Strictly
920 * speaking we should be doing this using some sort of
921 * GtkIMContext, which (if we're lucky) would give us
922 * our data directly in Unicode; but that's not
923 * supported in GTK 1.2 as far as I can tell, and it's
924 * poorly documented even in 2.0, so it'll have to
927 lpage_send(inst->ldisc, CS_ISO8859_1, output+start, end-start, 1);
930 * In direct-to-font mode, we just send the string
931 * exactly as we received it.
933 ldisc_send(inst->ldisc, output+start, end-start, 1);
936 show_mouseptr(inst, 0);
937 term_seen_key_event(inst->term);
938 term_out(inst->term);
944 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
946 struct gui_data *inst = (struct gui_data *)data;
947 int shift, ctrl, alt, x, y, button, act;
949 show_mouseptr(inst, 1);
951 if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
952 term_scroll(inst->term, 0, -5);
955 if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
956 term_scroll(inst->term, 0, +5);
960 shift = event->state & GDK_SHIFT_MASK;
961 ctrl = event->state & GDK_CONTROL_MASK;
962 alt = event->state & GDK_MOD1_MASK;
963 if (event->button == 1)
965 else if (event->button == 2)
967 else if (event->button == 3)
970 return FALSE; /* don't even know what button! */
972 switch (event->type) {
973 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
974 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
975 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
976 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
977 default: return FALSE; /* don't know this event type */
980 if (send_raw_mouse && !(inst->cfg.mouse_override && shift) &&
981 act != MA_CLICK && act != MA_RELEASE)
982 return TRUE; /* we ignore these in raw mouse mode */
984 x = (event->x - inst->cfg.window_border) / inst->font_width;
985 y = (event->y - inst->cfg.window_border) / inst->font_height;
987 term_mouse(inst->term, button, translate_button(button), act,
988 x, y, shift, ctrl, alt);
993 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
995 struct gui_data *inst = (struct gui_data *)data;
996 int shift, ctrl, alt, x, y, button;
998 show_mouseptr(inst, 1);
1000 shift = event->state & GDK_SHIFT_MASK;
1001 ctrl = event->state & GDK_CONTROL_MASK;
1002 alt = event->state & GDK_MOD1_MASK;
1003 if (event->state & GDK_BUTTON1_MASK)
1005 else if (event->state & GDK_BUTTON2_MASK)
1006 button = MBT_MIDDLE;
1007 else if (event->state & GDK_BUTTON3_MASK)
1010 return FALSE; /* don't even know what button! */
1012 x = (event->x - inst->cfg.window_border) / inst->font_width;
1013 y = (event->y - inst->cfg.window_border) / inst->font_height;
1015 term_mouse(inst->term, button, translate_button(button), MA_DRAG,
1016 x, y, shift, ctrl, alt);
1021 void frontend_keypress(void *handle)
1023 struct gui_data *inst = (struct gui_data *)handle;
1026 * If our child process has exited but not closed, terminate on
1033 gint timer_func(gpointer data)
1035 struct gui_data *inst = (struct gui_data *)data;
1038 if (!inst->exited &&
1039 (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
1040 inst->exited = TRUE;
1041 if (inst->cfg.close_on_exit == FORCE_ON ||
1042 (inst->cfg.close_on_exit == AUTO && exitcode == 0))
1043 exit(0); /* just go. */
1046 term_update(inst->term);
1047 term_blink(inst->term, 0);
1051 void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
1054 * We must process exceptional notifications before ordinary
1055 * readability ones, or we may go straight past the urgent
1058 if (condition & GDK_INPUT_EXCEPTION)
1059 select_result(sourcefd, 4);
1060 if (condition & GDK_INPUT_READ)
1061 select_result(sourcefd, 1);
1062 if (condition & GDK_INPUT_WRITE)
1063 select_result(sourcefd, 2);
1066 void destroy(GtkWidget *widget, gpointer data)
1071 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1073 struct gui_data *inst = (struct gui_data *)data;
1074 inst->term->has_focus = event->in;
1075 term_out(inst->term);
1076 term_update(inst->term);
1077 show_mouseptr(inst, 1);
1082 * set or clear the "raw mouse message" mode
1084 void set_raw_mouse_mode(void *frontend, int activate)
1086 struct gui_data *inst = (struct gui_data *)frontend;
1087 activate = activate && !inst->cfg.no_mouse_rep;
1088 send_raw_mouse = activate;
1090 inst->currcursor = inst->rawcursor;
1092 inst->currcursor = inst->textcursor;
1093 show_mouseptr(inst, inst->mouseptr_visible);
1096 void request_resize(void *frontend, int w, int h)
1098 struct gui_data *inst = (struct gui_data *)frontend;
1099 int large_x, large_y;
1100 int offset_x, offset_y;
1102 GtkRequisition inner, outer;
1105 * This is a heinous hack dreamed up by the gnome-terminal
1106 * people to get around a limitation in gtk. The problem is
1107 * that in order to set the size correctly we really need to be
1108 * calling gtk_window_resize - but that needs to know the size
1109 * of the _whole window_, not the drawing area. So what we do
1110 * is to set an artificially huge size request on the drawing
1111 * area, recompute the resulting size request on the window,
1112 * and look at the difference between the two. That gives us
1113 * the x and y offsets we need to translate drawing area size
1114 * into window size for real, and then we call
1115 * gtk_window_resize.
1119 * We start by retrieving the current size of the whole window.
1120 * Adding a bit to _that_ will give us a value we can use as a
1121 * bogus size request which guarantees to be bigger than the
1122 * current size of the drawing area.
1124 get_window_pixels(inst, &large_x, &large_y);
1128 #if GTK_CHECK_VERSION(2,0,0)
1129 gtk_widget_set_size_request(inst->area, large_x, large_y);
1131 gtk_widget_set_usize(inst->area, large_x, large_y);
1133 gtk_widget_size_request(inst->area, &inner);
1134 gtk_widget_size_request(inst->window, &outer);
1136 offset_x = outer.width - inner.width;
1137 offset_y = outer.height - inner.height;
1139 area_x = inst->font_width * w + 2*inst->cfg.window_border;
1140 area_y = inst->font_height * h + 2*inst->cfg.window_border;
1143 * Now we must set the size request on the drawing area back to
1144 * something sensible before we commit the real resize. Best
1145 * way to do this, I think, is to set it to what the size is
1146 * really going to end up being.
1148 #if GTK_CHECK_VERSION(2,0,0)
1149 gtk_widget_set_size_request(inst->area, area_x, area_y);
1151 gtk_widget_set_usize(inst->area, area_x, area_y);
1154 #if GTK_CHECK_VERSION(2,0,0)
1155 gtk_window_resize(GTK_WINDOW(inst->window),
1156 area_x + offset_x, area_y + offset_y);
1158 gdk_window_resize(inst->window->window,
1159 area_x + offset_x, area_y + offset_y);
1163 static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
1165 gboolean success[1];
1167 inst->cols[n].red = r * 0x0101;
1168 inst->cols[n].green = g * 0x0101;
1169 inst->cols[n].blue = b * 0x0101;
1171 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
1172 FALSE, FALSE, success);
1174 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1178 void set_window_background(struct gui_data *inst)
1180 if (inst->area && inst->area->window)
1181 gdk_window_set_background(inst->area->window, &inst->cols[18]);
1182 if (inst->window && inst->window->window)
1183 gdk_window_set_background(inst->window->window, &inst->cols[18]);
1186 void palette_set(void *frontend, int n, int r, int g, int b)
1188 struct gui_data *inst = (struct gui_data *)frontend;
1189 static const int first[21] = {
1190 0, 2, 4, 6, 8, 10, 12, 14,
1191 1, 3, 5, 7, 9, 11, 13, 15,
1194 real_palette_set(inst, first[n], r, g, b);
1196 real_palette_set(inst, first[n] + 1, r, g, b);
1198 set_window_background(inst);
1201 void palette_reset(void *frontend)
1203 struct gui_data *inst = (struct gui_data *)frontend;
1204 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1205 static const int ww[] = {
1206 6, 7, 8, 9, 10, 11, 12, 13,
1207 14, 15, 16, 17, 18, 19, 20, 21,
1210 gboolean success[NCOLOURS];
1213 assert(lenof(ww) == NCOLOURS);
1215 if (!inst->colmap) {
1216 inst->colmap = gdk_colormap_get_system();
1218 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
1221 for (i = 0; i < NCOLOURS; i++) {
1222 inst->cols[i].red = inst->cfg.colours[ww[i]][0] * 0x0101;
1223 inst->cols[i].green = inst->cfg.colours[ww[i]][1] * 0x0101;
1224 inst->cols[i].blue = inst->cfg.colours[ww[i]][2] * 0x0101;
1227 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
1228 FALSE, FALSE, success);
1229 for (i = 0; i < NCOLOURS; i++) {
1231 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1232 i, inst->cfg.colours[i][0], inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
1235 set_window_background(inst);
1238 void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
1240 struct gui_data *inst = (struct gui_data *)frontend;
1241 if (inst->pasteout_data)
1242 sfree(inst->pasteout_data);
1243 if (inst->pasteout_data_utf8)
1244 sfree(inst->pasteout_data_utf8);
1247 * Set up UTF-8 paste data. This only happens if we aren't in
1248 * direct-to-font mode using the D800 hack.
1250 if (!inst->direct_to_font) {
1251 wchar_t *tmp = data;
1254 inst->pasteout_data_utf8 = snewn(len*6, char);
1255 inst->pasteout_data_utf8_len = len*6;
1256 inst->pasteout_data_utf8_len =
1257 charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
1258 inst->pasteout_data_utf8_len,
1259 CS_UTF8, NULL, NULL, 0);
1260 if (inst->pasteout_data_utf8_len == 0) {
1261 sfree(inst->pasteout_data_utf8);
1262 inst->pasteout_data_utf8 = NULL;
1264 inst->pasteout_data_utf8 =
1265 sresize(inst->pasteout_data_utf8,
1266 inst->pasteout_data_utf8_len, char);
1269 inst->pasteout_data_utf8 = NULL;
1270 inst->pasteout_data_utf8_len = 0;
1273 inst->pasteout_data = snewn(len*6, char);
1274 inst->pasteout_data_len = len*6;
1275 inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
1276 data, len, inst->pasteout_data,
1277 inst->pasteout_data_len,
1279 if (inst->pasteout_data_len == 0) {
1280 sfree(inst->pasteout_data);
1281 inst->pasteout_data = NULL;
1283 inst->pasteout_data =
1284 sresize(inst->pasteout_data, inst->pasteout_data_len, char);
1287 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
1288 GDK_CURRENT_TIME)) {
1289 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1290 GDK_SELECTION_TYPE_STRING, 1);
1291 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1292 inst->compound_text_atom, 1);
1293 if (inst->pasteout_data_utf8)
1294 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1295 inst->utf8_string_atom, 1);
1299 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1300 guint info, guint time_stamp, gpointer data)
1302 struct gui_data *inst = (struct gui_data *)data;
1303 if (seldata->target == inst->utf8_string_atom)
1304 gtk_selection_data_set(seldata, seldata->target, 8,
1305 inst->pasteout_data_utf8,
1306 inst->pasteout_data_utf8_len);
1308 gtk_selection_data_set(seldata, seldata->target, 8,
1309 inst->pasteout_data, inst->pasteout_data_len);
1312 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1315 struct gui_data *inst = (struct gui_data *)data;
1316 term_deselect(inst->term);
1317 if (inst->pasteout_data)
1318 sfree(inst->pasteout_data);
1319 if (inst->pasteout_data_utf8)
1320 sfree(inst->pasteout_data_utf8);
1321 inst->pasteout_data = NULL;
1322 inst->pasteout_data_len = 0;
1323 inst->pasteout_data_utf8 = NULL;
1324 inst->pasteout_data_utf8_len = 0;
1328 void request_paste(void *frontend)
1330 struct gui_data *inst = (struct gui_data *)frontend;
1332 * In Unix, pasting is asynchronous: all we can do at the
1333 * moment is to call gtk_selection_convert(), and when the data
1334 * comes back _then_ we can call term_do_paste().
1337 if (!inst->direct_to_font) {
1339 * First we attempt to retrieve the selection as a UTF-8
1340 * string (which we will convert to the correct code page
1341 * before sending to the session, of course). If that
1342 * fails, selection_received() will be informed and will
1343 * fall back to an ordinary string.
1345 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1346 inst->utf8_string_atom, GDK_CURRENT_TIME);
1349 * If we're in direct-to-font mode, we disable UTF-8
1350 * pasting, and go straight to ordinary string data.
1352 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1353 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1357 gint idle_paste_func(gpointer data); /* forward ref */
1359 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
1360 guint time, gpointer data)
1362 struct gui_data *inst = (struct gui_data *)data;
1364 if (seldata->target == inst->utf8_string_atom && seldata->length <= 0) {
1366 * Failed to get a UTF-8 selection string. Try an ordinary
1369 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1370 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1375 * Any other failure should just go foom.
1377 if (seldata->length <= 0 ||
1378 (seldata->type != GDK_SELECTION_TYPE_STRING &&
1379 seldata->type != inst->utf8_string_atom))
1380 return; /* Nothing happens. */
1382 if (inst->pastein_data)
1383 sfree(inst->pastein_data);
1385 inst->pastein_data = snewn(seldata->length, wchar_t);
1386 inst->pastein_data_len = seldata->length;
1387 inst->pastein_data_len =
1388 mb_to_wc((seldata->type == inst->utf8_string_atom ?
1389 CS_UTF8 : inst->ucsdata.line_codepage),
1390 0, seldata->data, seldata->length,
1391 inst->pastein_data, inst->pastein_data_len);
1393 term_do_paste(inst->term);
1395 if (term_paste_pending(inst->term))
1396 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
1399 gint idle_paste_func(gpointer data)
1401 struct gui_data *inst = (struct gui_data *)data;
1403 if (term_paste_pending(inst->term))
1404 term_paste(inst->term);
1406 gtk_idle_remove(inst->term_paste_idle_id);
1412 void get_clip(void *frontend, wchar_t ** p, int *len)
1414 struct gui_data *inst = (struct gui_data *)frontend;
1417 *p = inst->pastein_data;
1418 *len = inst->pastein_data_len;
1422 void set_title(void *frontend, char *title)
1424 struct gui_data *inst = (struct gui_data *)frontend;
1425 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1426 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1427 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1430 void set_icon(void *frontend, char *title)
1432 struct gui_data *inst = (struct gui_data *)frontend;
1433 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1434 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1435 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1438 void set_sbar(void *frontend, int total, int start, int page)
1440 struct gui_data *inst = (struct gui_data *)frontend;
1441 if (!inst->cfg.scrollbar)
1443 inst->sbar_adjust->lower = 0;
1444 inst->sbar_adjust->upper = total;
1445 inst->sbar_adjust->value = start;
1446 inst->sbar_adjust->page_size = page;
1447 inst->sbar_adjust->step_increment = 1;
1448 inst->sbar_adjust->page_increment = page/2;
1449 inst->ignore_sbar = TRUE;
1450 gtk_adjustment_changed(inst->sbar_adjust);
1451 inst->ignore_sbar = FALSE;
1454 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1456 struct gui_data *inst = (struct gui_data *)data;
1458 if (!inst->cfg.scrollbar)
1460 if (!inst->ignore_sbar)
1461 term_scroll(inst->term, 1, (int)adj->value);
1464 void sys_cursor(void *frontend, int x, int y)
1467 * This is meaningless under X.
1472 * This is still called when mode==BELL_VISUAL, even though the
1473 * visual bell is handled entirely within terminal.c, because we
1474 * may want to perform additional actions on any kind of bell (for
1475 * example, taskbar flashing in Windows).
1477 void beep(void *frontend, int mode)
1479 if (mode != BELL_VISUAL)
1483 int char_width(Context ctx, int uc)
1486 * Under X, any fixed-width font really _is_ fixed-width.
1487 * Double-width characters will be dealt with using a separate
1488 * font. For the moment we can simply return 1.
1493 Context get_ctx(void *frontend)
1495 struct gui_data *inst = (struct gui_data *)frontend;
1496 struct draw_ctx *dctx;
1498 if (!inst->area->window)
1501 dctx = snew(struct draw_ctx);
1503 dctx->gc = gdk_gc_new(inst->area->window);
1507 void free_ctx(Context ctx)
1509 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1510 /* struct gui_data *inst = dctx->inst; */
1511 GdkGC *gc = dctx->gc;
1517 * Draw a line of text in the window, at given character
1518 * coordinates, in given attributes.
1520 * We are allowed to fiddle with the contents of `text'.
1522 void do_text_internal(Context ctx, int x, int y, char *text, int len,
1523 unsigned long attr, int lattr)
1525 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1526 struct gui_data *inst = dctx->inst;
1527 GdkGC *gc = dctx->gc;
1529 int nfg, nbg, t, fontid, shadow, rlen, widefactor;
1531 nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1532 nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
1533 nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1534 nbg = 2 * (nbg & 0xF) + (nbg & 0x10 ? 1 : 0);
1535 if (attr & ATTR_REVERSE) {
1540 if (inst->cfg.bold_colour && (attr & ATTR_BOLD))
1542 if (inst->cfg.bold_colour && (attr & ATTR_BLINK))
1544 if (attr & TATTR_ACTCURS) {
1549 fontid = shadow = 0;
1551 if (attr & ATTR_WIDE) {
1558 if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) {
1559 if (inst->fonts[fontid | 1])
1565 if (lattr != LATTR_NORM) {
1567 if (x >= inst->term->cols)
1569 if (x + len*2*widefactor > inst->term->cols)
1570 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1578 r.x = x*inst->font_width+inst->cfg.window_border;
1579 r.y = y*inst->font_height+inst->cfg.window_border;
1580 r.width = rlen*widefactor*inst->font_width;
1581 r.height = inst->font_height;
1582 gdk_gc_set_clip_rectangle(gc, &r);
1585 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1586 gdk_draw_rectangle(inst->pixmap, gc, 1,
1587 x*inst->font_width+inst->cfg.window_border,
1588 y*inst->font_height+inst->cfg.window_border,
1589 rlen*widefactor*inst->font_width, inst->font_height);
1591 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1598 wcs = snewn(len+1, wchar_t);
1599 for (i = 0; i < len; i++) {
1600 wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
1603 if (inst->fonts[fontid] == NULL) {
1605 * The font for this contingency does not exist.
1606 * Typically this means we've been given ATTR_WIDE
1607 * character and have no wide font. So we display
1608 * nothing at all; such is life.
1610 } else if (inst->fontinfo[fontid].is_wide) {
1612 * At least one version of gdk_draw_text_wc() has a
1613 * weird bug whereby it reads `len' elements of the
1614 * input string, but only draws `len/2'. Hence I'm
1615 * going to make its input array twice as long as it
1616 * theoretically needs to be, and pass in twice the
1617 * actual number of characters. If a fixed gdk actually
1618 * takes the doubled length seriously, then (a) the
1619 * array will stand scrutiny up to the full length, (b)
1620 * the spare elements of the array are full of zeroes
1621 * which will probably be an empty glyph in the font,
1622 * and (c) the clip rectangle should prevent it causing
1625 gwcs = snewn(len*2+1, GdkWChar);
1626 memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
1628 * FIXME: when we have a wide-char equivalent of
1629 * from_unicode, use it instead of this.
1631 for (i = 0; i <= len; i++)
1633 gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
1634 x*inst->font_width+inst->cfg.window_border,
1635 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1639 gcs = snewn(len+1, gchar);
1640 wc_to_mb(inst->fontinfo[fontid].charset, 0,
1641 wcs, len, gcs, len, ".", NULL, NULL);
1642 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1643 x*inst->font_width+inst->cfg.window_border,
1644 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1652 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1653 x*inst->font_width+inst->cfg.window_border + inst->cfg.shadowboldoffset,
1654 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1658 if (attr & ATTR_UNDER) {
1659 int uheight = inst->fonts[0]->ascent + 1;
1660 if (uheight >= inst->font_height)
1661 uheight = inst->font_height - 1;
1662 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->cfg.window_border,
1663 y*inst->font_height + uheight + inst->cfg.window_border,
1664 (x+len)*widefactor*inst->font_width-1+inst->cfg.window_border,
1665 y*inst->font_height + uheight + inst->cfg.window_border);
1668 if (lattr != LATTR_NORM) {
1670 * I can't find any plausible StretchBlt equivalent in the
1671 * X server, so I'm going to do this the slow and painful
1672 * way. This will involve repeated calls to
1673 * gdk_draw_pixmap() to stretch the text horizontally. It's
1674 * O(N^2) in time and O(N) in network bandwidth, but you
1675 * try thinking of a better way. :-(
1678 for (i = 0; i < len * widefactor * inst->font_width; i++) {
1679 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1680 x*inst->font_width+inst->cfg.window_border + 2*i,
1681 y*inst->font_height+inst->cfg.window_border,
1682 x*inst->font_width+inst->cfg.window_border + 2*i+1,
1683 y*inst->font_height+inst->cfg.window_border,
1684 len * inst->font_width - i, inst->font_height);
1687 if (lattr != LATTR_WIDE) {
1689 /* Now stretch vertically, in the same way. */
1690 if (lattr == LATTR_BOT)
1694 for (i = 0; i < inst->font_height; i+=2) {
1695 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1696 x*inst->font_width+inst->cfg.window_border,
1697 y*inst->font_height+inst->cfg.window_border+dt*i+db,
1698 x*widefactor*inst->font_width+inst->cfg.window_border,
1699 y*inst->font_height+inst->cfg.window_border+dt*(i+1),
1700 len * inst->font_width, inst->font_height-i-1);
1706 void do_text(Context ctx, int x, int y, char *text, int len,
1707 unsigned long attr, int lattr)
1709 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1710 struct gui_data *inst = dctx->inst;
1711 GdkGC *gc = dctx->gc;
1714 do_text_internal(ctx, x, y, text, len, attr, lattr);
1716 if (attr & ATTR_WIDE) {
1722 if (lattr != LATTR_NORM) {
1724 if (x >= inst->term->cols)
1726 if (x + len*2*widefactor > inst->term->cols)
1727 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1731 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1732 x*inst->font_width+inst->cfg.window_border,
1733 y*inst->font_height+inst->cfg.window_border,
1734 x*inst->font_width+inst->cfg.window_border,
1735 y*inst->font_height+inst->cfg.window_border,
1736 len*widefactor*inst->font_width, inst->font_height);
1739 void do_cursor(Context ctx, int x, int y, char *text, int len,
1740 unsigned long attr, int lattr)
1742 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1743 struct gui_data *inst = dctx->inst;
1744 GdkGC *gc = dctx->gc;
1746 int passive, widefactor;
1748 if (attr & TATTR_PASCURS) {
1749 attr &= ~TATTR_PASCURS;
1753 if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) {
1754 attr &= ~TATTR_ACTCURS;
1756 do_text_internal(ctx, x, y, text, len, attr, lattr);
1758 if (attr & ATTR_WIDE) {
1764 if (lattr != LATTR_NORM) {
1766 if (x >= inst->term->cols)
1768 if (x + len*2*widefactor > inst->term->cols)
1769 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1773 if (inst->cfg.cursor_type == 0) {
1775 * An active block cursor will already have been done by
1776 * the above do_text call, so we only need to do anything
1780 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1781 gdk_draw_rectangle(inst->pixmap, gc, 0,
1782 x*inst->font_width+inst->cfg.window_border,
1783 y*inst->font_height+inst->cfg.window_border,
1784 len*inst->font_width-1, inst->font_height-1);
1788 int startx, starty, dx, dy, length, i;
1792 if ((attr & ATTR_WIDE) || lattr != LATTR_NORM)
1793 char_width = 2*inst->font_width;
1795 char_width = inst->font_width;
1797 if (inst->cfg.cursor_type == 1) {
1798 uheight = inst->fonts[0]->ascent + 1;
1799 if (uheight >= inst->font_height)
1800 uheight = inst->font_height - 1;
1802 startx = x * inst->font_width + inst->cfg.window_border;
1803 starty = y * inst->font_height + inst->cfg.window_border + uheight;
1806 length = len * char_width;
1809 if (attr & TATTR_RIGHTCURS)
1810 xadjust = char_width - 1;
1811 startx = x * inst->font_width + inst->cfg.window_border + xadjust;
1812 starty = y * inst->font_height + inst->cfg.window_border;
1815 length = inst->font_height;
1818 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1820 for (i = 0; i < length; i++) {
1822 gdk_draw_point(inst->pixmap, gc, startx, starty);
1828 gdk_draw_line(inst->pixmap, gc, startx, starty,
1829 startx + (length-1) * dx, starty + (length-1) * dy);
1833 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1834 x*inst->font_width+inst->cfg.window_border,
1835 y*inst->font_height+inst->cfg.window_border,
1836 x*inst->font_width+inst->cfg.window_border,
1837 y*inst->font_height+inst->cfg.window_border,
1838 len*widefactor*inst->font_width, inst->font_height);
1841 GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
1844 * Truly hideous hack: GTK doesn't allow us to set the mouse
1845 * cursor foreground and background colours unless we've _also_
1846 * created our own cursor from bitmaps. Therefore, I need to
1847 * load the `cursor' font and draw glyphs from it on to
1848 * pixmaps, in order to construct my cursors with the fg and bg
1849 * I want. This is a gross hack, but it's more self-contained
1850 * than linking in Xlib to find the X window handle to
1851 * inst->area and calling XRecolorCursor, and it's more
1852 * futureproof than hard-coding the shapes as bitmap arrays.
1854 static GdkFont *cursor_font = NULL;
1855 GdkPixmap *source, *mask;
1857 GdkColor cfg = { 0, 65535, 65535, 65535 };
1858 GdkColor cbg = { 0, 0, 0, 0 };
1859 GdkColor dfg = { 1, 65535, 65535, 65535 };
1860 GdkColor dbg = { 0, 0, 0, 0 };
1863 gint lb, rb, wid, asc, desc, w, h, x, y;
1865 if (cursor_val == -2) {
1866 gdk_font_unref(cursor_font);
1870 if (cursor_val >= 0 && !cursor_font)
1871 cursor_font = gdk_font_load("cursor");
1874 * Get the text extent of the cursor in question. We use the
1875 * mask character for this, because it's typically slightly
1876 * bigger than the main character.
1878 if (cursor_val >= 0) {
1880 text[0] = (char)cursor_val + 1;
1881 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1882 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1888 source = gdk_pixmap_new(NULL, w, h, 1);
1889 mask = gdk_pixmap_new(NULL, w, h, 1);
1892 * Draw the mask character on the mask pixmap.
1894 gc = gdk_gc_new(mask);
1895 gdk_gc_set_foreground(gc, &dbg);
1896 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1897 if (cursor_val >= 0) {
1899 text[0] = (char)cursor_val + 1;
1900 gdk_gc_set_foreground(gc, &dfg);
1901 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1906 * Draw the main character on the source pixmap.
1908 gc = gdk_gc_new(source);
1909 gdk_gc_set_foreground(gc, &dbg);
1910 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1911 if (cursor_val >= 0) {
1913 text[0] = (char)cursor_val;
1914 gdk_gc_set_foreground(gc, &dfg);
1915 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1920 * Create the cursor.
1922 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1927 gdk_pixmap_unref(source);
1928 gdk_pixmap_unref(mask);
1933 void modalfatalbox(char *p, ...)
1936 fprintf(stderr, "FATAL ERROR: ");
1938 vfprintf(stderr, p, ap);
1940 fputc('\n', stderr);
1944 void cmdline_error(char *p, ...)
1947 fprintf(stderr, "plink: ");
1949 vfprintf(stderr, p, ap);
1951 fputc('\n', stderr);
1955 char *get_x_display(void *frontend)
1957 return gdk_get_display();
1960 long get_windowid(void *frontend)
1962 Terminal *term = (Terminal *)frontend;
1963 struct gui_data *inst = (struct gui_data *)(term->frontend);
1964 return (long)GDK_WINDOW_XWINDOW(inst->area->window);
1967 static void help(FILE *fp) {
1969 "pterm option summary:\n"
1971 " --display DISPLAY Specify X display to use (note '--')\n"
1972 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
1973 " -fn FONT Normal text font\n"
1974 " -fb FONT Bold text font\n"
1975 " -geometry WIDTHxHEIGHT Size of terminal in characters\n"
1976 " -sl LINES Number of lines of scrollback\n"
1977 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
1978 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
1979 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
1980 " -T TITLE Window title\n"
1981 " -ut, +ut Do(default) or do not update utmp\n"
1982 " -ls, +ls Do(default) or do not make shell a login shell\n"
1983 " -sb, +sb Do(default) or do not display a scrollbar\n"
1984 " -log PATH Log all output to a file\n"
1985 " -nethack Map numeric keypad to hjklyubn direction keys\n"
1986 " -xrm RESOURCE-STRING Set an X resource\n"
1987 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
1988 ) < 0 || fflush(fp) < 0) {
1989 perror("output error");
1994 int do_cmdline(int argc, char **argv, int do_everything, Config *cfg)
1997 extern char **pty_argv; /* declared in pty.c */
1998 extern int use_pty_argv;
2001 * Macros to make argument handling easier. Note that because
2002 * they need to call `continue', they cannot be contained in
2003 * the usual do {...} while (0) wrapper to make them
2004 * syntactically single statements; hence it is not legal to
2005 * use one of these macros as an unbraced statement between
2008 #define EXPECTS_ARG { \
2009 if (--argc <= 0) { \
2011 fprintf(stderr, "pterm: %s expects an argument\n", p); \
2016 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2025 while (--argc > 0) {
2029 ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
2030 do_everything ? 1 : -1, cfg);
2033 cmdline_error("option \"%s\" requires an argument", p);
2034 } else if (ret == 2) {
2035 --argc, ++argv; /* skip next argument */
2037 } else if (ret == 1) {
2041 if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
2044 strncpy(cfg->font.name, val, sizeof(cfg->font.name));
2045 cfg->font.name[sizeof(cfg->font.name)-1] = '\0';
2047 } else if (!strcmp(p, "-fb")) {
2050 strncpy(cfg->boldfont.name, val, sizeof(cfg->boldfont.name));
2051 cfg->boldfont.name[sizeof(cfg->boldfont.name)-1] = '\0';
2053 } else if (!strcmp(p, "-fw")) {
2056 strncpy(cfg->widefont.name, val, sizeof(cfg->widefont.name));
2057 cfg->widefont.name[sizeof(cfg->widefont.name)-1] = '\0';
2059 } else if (!strcmp(p, "-fwb")) {
2062 strncpy(cfg->wideboldfont.name, val, sizeof(cfg->wideboldfont.name));
2063 cfg->wideboldfont.name[sizeof(cfg->wideboldfont.name)-1] = '\0';
2065 } else if (!strcmp(p, "-cs")) {
2068 strncpy(cfg->line_codepage, val, sizeof(cfg->line_codepage));
2069 cfg->line_codepage[sizeof(cfg->line_codepage)-1] = '\0';
2071 } else if (!strcmp(p, "-geometry")) {
2072 int flags, x, y, w, h;
2076 flags = XParseGeometry(val, &x, &y, &w, &h);
2077 if (flags & WidthValue)
2079 if (flags & HeightValue)
2083 * Apparently setting the initial window position is
2084 * difficult in GTK 1.2. Not entirely sure why this
2085 * should be. 2.0 has gtk_window_parse_geometry(),
2086 * which would help... For the moment, though, I can't
2087 * be bothered with this.
2090 } else if (!strcmp(p, "-sl")) {
2093 cfg->savelines = atoi(val);
2095 } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
2096 !strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
2097 !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
2102 if (!gdk_color_parse(val, &col)) {
2104 fprintf(stderr, "pterm: unable to parse colour \"%s\"\n", val);
2107 index = (!strcmp(p, "-fg") ? 0 :
2108 !strcmp(p, "-bg") ? 2 :
2109 !strcmp(p, "-bfg") ? 1 :
2110 !strcmp(p, "-bbg") ? 3 :
2111 !strcmp(p, "-cfg") ? 4 :
2112 !strcmp(p, "-cbg") ? 5 : -1);
2113 assert(index != -1);
2114 cfg->colours[index][0] = col.red / 256;
2115 cfg->colours[index][1] = col.green / 256;
2116 cfg->colours[index][2] = col.blue / 256;
2119 } else if (use_pty_argv && !strcmp(p, "-e")) {
2120 /* This option swallows all further arguments. */
2126 pty_argv = snewn(argc+1, char *);
2128 for (i = 0; i < argc; i++)
2129 pty_argv[i] = argv[i];
2130 pty_argv[argc] = NULL;
2131 break; /* finished command-line processing */
2133 err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
2135 } else if (!strcmp(p, "-T")) {
2138 strncpy(cfg->wintitle, val, sizeof(cfg->wintitle));
2139 cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0';
2141 } else if (!strcmp(p, "-log")) {
2144 strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path));
2145 cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0';
2146 cfg->logtype = LGTYP_DEBUG;
2148 } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
2150 cfg->stamp_utmp = 0;
2152 } else if (!strcmp(p, "-ut")) {
2154 cfg->stamp_utmp = 1;
2156 } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
2158 cfg->login_shell = 0;
2160 } else if (!strcmp(p, "-ls")) {
2162 cfg->login_shell = 1;
2164 } else if (!strcmp(p, "-nethack")) {
2166 cfg->nethack_keypad = 1;
2168 } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
2172 } else if (!strcmp(p, "-sb")) {
2176 } else if (!strcmp(p, "-name")) {
2180 } else if (!strcmp(p, "-xrm")) {
2182 provide_xrm_string(val);
2184 } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
2188 } else if(p[0] != '-' && (!do_everything ||
2189 process_nonoption_arg(p, cfg))) {
2194 fprintf(stderr, "pterm: unrecognized option '%s'\n", p);
2201 static void block_signal(int sig, int block_it) {
2205 sigaddset(&ss, sig);
2206 if(sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) {
2207 perror("sigprocmask");
2213 * This function retrieves the character set encoding of a font. It
2214 * returns the character set without the X11 hack (in case the user
2215 * asks to use the font's own encoding).
2217 static int set_font_info(struct gui_data *inst, int fontid)
2219 GdkFont *font = inst->fonts[fontid];
2220 XFontStruct *xfs = GDK_FONT_XFONT(font);
2221 Display *disp = GDK_FONT_XDISPLAY(font);
2222 Atom charset_registry, charset_encoding;
2223 unsigned long registry_ret, encoding_ret;
2224 int retval = CS_NONE;
2226 charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False);
2227 charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False);
2228 inst->fontinfo[fontid].charset = CS_NONE;
2229 inst->fontinfo[fontid].is_wide = 0;
2230 if (XGetFontProperty(xfs, charset_registry, ®istry_ret) &&
2231 XGetFontProperty(xfs, charset_encoding, &encoding_ret)) {
2233 reg = XGetAtomName(disp, (Atom)registry_ret);
2234 enc = XGetAtomName(disp, (Atom)encoding_ret);
2236 char *encoding = dupcat(reg, "-", enc, NULL);
2237 retval = inst->fontinfo[fontid].charset =
2238 charset_from_xenc(encoding);
2239 /* FIXME: when libcharset supports wide encodings fix this. */
2240 if (!strcasecmp(encoding, "iso10646-1")) {
2241 inst->fontinfo[fontid].is_wide = 1;
2246 * Hack for X line-drawing characters: if the primary
2247 * font is encoded as ISO-8859-anything, and has valid
2248 * glyphs in the first 32 char positions, it is assumed
2249 * that those glyphs are the VT100 line-drawing
2252 * Actually, we'll hack even harder by only checking
2253 * position 0x19 (vertical line, VT100 linedrawing
2254 * `x'). Then we can check it easily by seeing if the
2255 * ascent and descent differ.
2257 if (inst->fontinfo[fontid].charset == CS_ISO8859_1) {
2258 int lb, rb, wid, asc, desc;
2263 gdk_string_extents(inst->fonts[fontid], text,
2264 &lb, &rb, &wid, &asc, &desc);
2266 inst->fontinfo[fontid].charset = CS_ISO8859_1_X11;
2276 int uxsel_input_add(int fd, int rwx) {
2278 if (rwx & 1) flags |= GDK_INPUT_READ;
2279 if (rwx & 2) flags |= GDK_INPUT_WRITE;
2280 if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
2281 return gdk_input_add(fd, flags, fd_input_func, NULL);
2284 void uxsel_input_remove(int id) {
2285 gdk_input_remove(id);
2288 int pt_main(int argc, char **argv)
2290 extern Backend *select_backend(Config *cfg);
2291 extern int cfgbox(Config *cfg);
2292 struct gui_data *inst;
2295 /* defer any child exit handling until we're ready to deal with
2297 block_signal(SIGCHLD, 1);
2299 gtk_init(&argc, &argv);
2302 * Create an instance structure and initialise to zeroes
2304 inst = snew(struct gui_data);
2305 memset(inst, 0, sizeof(*inst));
2306 inst->alt_keycode = -1; /* this one needs _not_ to be zero */
2308 if (do_cmdline(argc, argv, 0, &inst->cfg))
2309 exit(1); /* pre-defaults pass to get -class */
2310 do_defaults(NULL, &inst->cfg);
2311 if (do_cmdline(argc, argv, 1, &inst->cfg))
2312 exit(1); /* post-defaults, do everything */
2314 cmdline_run_saved(&inst->cfg);
2316 if (!*inst->cfg.host && !cfgbox(&inst->cfg))
2317 exit(0); /* config box hit Cancel */
2319 inst->fonts[0] = gdk_font_load(inst->cfg.font.name);
2320 if (!inst->fonts[0]) {
2321 fprintf(stderr, "pterm: unable to load font \"%s\"\n",
2322 inst->cfg.font.name);
2325 font_charset = set_font_info(inst, 0);
2326 if (inst->cfg.boldfont.name[0]) {
2327 inst->fonts[1] = gdk_font_load(inst->cfg.boldfont.name);
2328 if (!inst->fonts[1]) {
2329 fprintf(stderr, "pterm: unable to load bold font \"%s\"\n",
2330 inst->cfg.boldfont.name);
2333 set_font_info(inst, 1);
2335 inst->fonts[1] = NULL;
2336 if (inst->cfg.widefont.name[0]) {
2337 inst->fonts[2] = gdk_font_load(inst->cfg.widefont.name);
2338 if (!inst->fonts[2]) {
2339 fprintf(stderr, "pterm: unable to load wide font \"%s\"\n",
2340 inst->cfg.widefont.name);
2343 set_font_info(inst, 2);
2345 inst->fonts[2] = NULL;
2346 if (inst->cfg.wideboldfont.name[0]) {
2347 inst->fonts[3] = gdk_font_load(inst->cfg.wideboldfont.name);
2348 if (!inst->fonts[3]) {
2349 fprintf(stderr, "pterm: unable to load wide/bold font \"%s\"\n",
2350 inst->cfg.wideboldfont.name);
2353 set_font_info(inst, 3);
2355 inst->fonts[3] = NULL;
2357 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
2358 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
2360 inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2361 inst->utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2363 inst->direct_to_font = init_ucs(&inst->ucsdata,
2364 inst->cfg.line_codepage, font_charset);
2366 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2369 * Set up the colour map.
2371 palette_reset(inst);
2373 inst->area = gtk_drawing_area_new();
2374 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
2375 inst->font_width * inst->cfg.width + 2*inst->cfg.window_border,
2376 inst->font_height * inst->cfg.height + 2*inst->cfg.window_border);
2377 if (inst->cfg.scrollbar) {
2378 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
2379 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
2381 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2382 if (inst->cfg.scrollbar) {
2383 if (inst->cfg.scrollbar_on_left)
2384 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2386 gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2388 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
2390 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
2394 geom.min_width = inst->font_width + 2*inst->cfg.window_border;
2395 geom.min_height = inst->font_height + 2*inst->cfg.window_border;
2396 geom.max_width = geom.max_height = -1;
2397 geom.base_width = 2*inst->cfg.window_border;
2398 geom.base_height = 2*inst->cfg.window_border;
2399 geom.width_inc = inst->font_width;
2400 geom.height_inc = inst->font_height;
2401 geom.min_aspect = geom.max_aspect = 0;
2402 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
2403 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
2404 GDK_HINT_RESIZE_INC);
2407 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
2408 GTK_SIGNAL_FUNC(destroy), inst);
2409 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
2410 GTK_SIGNAL_FUNC(delete_window), inst);
2411 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
2412 GTK_SIGNAL_FUNC(key_event), inst);
2413 gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
2414 GTK_SIGNAL_FUNC(key_event), inst);
2415 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
2416 GTK_SIGNAL_FUNC(focus_event), inst);
2417 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
2418 GTK_SIGNAL_FUNC(focus_event), inst);
2419 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
2420 GTK_SIGNAL_FUNC(configure_area), inst);
2421 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
2422 GTK_SIGNAL_FUNC(expose_area), inst);
2423 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
2424 GTK_SIGNAL_FUNC(button_event), inst);
2425 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
2426 GTK_SIGNAL_FUNC(button_event), inst);
2427 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
2428 GTK_SIGNAL_FUNC(motion_event), inst);
2429 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
2430 GTK_SIGNAL_FUNC(selection_received), inst);
2431 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
2432 GTK_SIGNAL_FUNC(selection_get), inst);
2433 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
2434 GTK_SIGNAL_FUNC(selection_clear), inst);
2435 if (inst->cfg.scrollbar)
2436 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
2437 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
2438 gtk_timeout_add(20, timer_func, inst);
2439 gtk_widget_add_events(GTK_WIDGET(inst->area),
2440 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
2441 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
2442 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
2444 gtk_widget_show(inst->area);
2445 if (inst->cfg.scrollbar)
2446 gtk_widget_show(inst->sbar);
2447 gtk_widget_show(GTK_WIDGET(inst->hbox));
2448 gtk_widget_show(inst->window);
2450 set_window_background(inst);
2452 inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
2453 inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
2454 inst->blankcursor = make_mouse_ptr(inst, -1);
2455 make_mouse_ptr(inst, -2); /* clean up cursor font */
2456 inst->currcursor = inst->textcursor;
2457 show_mouseptr(inst, 1);
2459 inst->term = term_init(&inst->cfg, &inst->ucsdata, inst);
2460 inst->logctx = log_init(inst, &inst->cfg);
2461 term_provide_logctx(inst->term, inst->logctx);
2465 term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines);
2467 inst->back = select_backend(&inst->cfg);
2469 char *realhost, *error;
2471 error = inst->back->init((void *)inst->term, &inst->backhandle,
2472 &inst->cfg, inst->cfg.host, inst->cfg.port,
2473 &realhost, inst->cfg.tcp_nodelay);
2476 char *msg = dupprintf("Unable to open connection to %s:\n%s",
2477 inst->cfg.host, error);
2478 inst->exited = TRUE;
2479 fatal_message_box(inst->window, msg);
2484 if (inst->cfg.wintitle[0])
2485 set_title(inst, inst->cfg.wintitle);
2487 char *title = make_default_wintitle(realhost);
2488 set_title(inst, title);
2492 inst->back->provide_logctx(inst->backhandle, inst->logctx);
2494 term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
2497 ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle, inst);
2498 ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
2500 /* now we're reday to deal with the child exit handler being
2502 block_signal(SIGCHLD, 0);
2504 inst->exited = FALSE;