2 * pterm - a fusion of the PuTTY terminal emulator with a Unix pty
3 * back end, all running as a GTK application. Wish me luck.
18 #include <sys/types.h>
21 #include <gdk/gdkkeysyms.h>
24 #include <X11/Xutil.h>
26 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
31 #define CAT2(x,y) x ## y
32 #define CAT(x,y) CAT2(x,y)
33 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
35 #define NCOLOURS (lenof(((Config *)0)->colours))
37 GdkAtom compound_text_atom, utf8_string_atom;
40 GtkWidget *window, *area, *sbar;
42 GtkAdjustment *sbar_adjust;
43 GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2;
45 GdkFont *fonts[4]; /* normal, bold, wide, widebold */
50 int xpos, ypos, gotpos, gravity;
51 GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
52 GdkColor cols[NCOLOURS];
54 wchar_t *pastein_data;
57 char *pasteout_data, *pasteout_data_utf8;
58 int pasteout_data_len, pasteout_data_utf8_len;
59 int font_width, font_height;
63 guint term_paste_idle_id;
66 char wintitle[sizeof(((Config *)0)->wintitle)];
67 char icontitle[sizeof(((Config *)0)->wintitle)];
68 int master_fd, master_func_id;
75 struct unicode_data ucsdata;
82 struct gui_data *inst;
85 static int send_raw_mouse;
87 static char *app_name = "pterm";
89 char *x_get_default(const char *key)
91 return XGetDefault(GDK_DISPLAY(), app_name, key);
94 void connection_fatal(void *frontend, char *p, ...)
96 struct gui_data *inst = (struct gui_data *)frontend;
101 msg = dupvprintf(p, ap);
104 fatal_message_box(inst->window, msg);
106 if (inst->cfg.close_on_exit == FORCE_ON)
111 * Default settings that are specific to pterm.
113 FontSpec platform_default_fontspec(const char *name)
116 if (!strcmp(name, "Font"))
117 strcpy(ret.name, "fixed");
123 Filename platform_default_filename(const char *name)
126 if (!strcmp(name, "LogFileName"))
127 strcpy(ret.path, "putty.log");
133 char *platform_default_s(const char *name)
138 int platform_default_i(const char *name, int def)
140 if (!strcmp(name, "CloseOnExit"))
141 return 2; /* maps to FORCE_ON after painful rearrangement :-( */
145 void ldisc_update(void *frontend, int echo, int edit)
148 * This is a stub in pterm. If I ever produce a Unix
149 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
150 * then it will require some termios manoeuvring analogous to
151 * that in the Windows plink.c, but here it's meaningless.
155 int from_backend(void *frontend, int is_stderr, const char *data, int len)
157 struct gui_data *inst = (struct gui_data *)frontend;
158 return term_data(inst->term, is_stderr, data, len);
161 void logevent(void *frontend, char *string)
163 struct gui_data *inst = (struct gui_data *)frontend;
165 log_eventlog(inst->logctx, string);
167 logevent_dlg(inst->eventlogstuff, string);
170 int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
172 struct gui_data *inst = (struct gui_data *)frontend;
175 return inst->font_height;
177 return inst->font_width;
181 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
182 * into a cooked one (SELECT, EXTEND, PASTE).
184 * In Unix, this is not configurable; the X button arrangement is
185 * rock-solid across all applications, everyone has a three-button
186 * mouse or a means of faking it, and there is no need to switch
187 * buttons around at all.
189 static Mouse_Button translate_button(Mouse_Button button)
191 /* struct gui_data *inst = (struct gui_data *)frontend; */
193 if (button == MBT_LEFT)
195 if (button == MBT_MIDDLE)
197 if (button == MBT_RIGHT)
199 return 0; /* shouldn't happen */
203 * Return the top-level GtkWindow associated with a particular
204 * front end instance.
206 void *get_window(void *frontend)
208 struct gui_data *inst = (struct gui_data *)frontend;
213 * Minimise or restore the window in response to a server-side
216 void set_iconic(void *frontend, int iconic)
219 * GTK 1.2 doesn't know how to do this.
221 #if GTK_CHECK_VERSION(2,0,0)
222 struct gui_data *inst = (struct gui_data *)frontend;
224 gtk_window_iconify(GTK_WINDOW(inst->window));
226 gtk_window_deiconify(GTK_WINDOW(inst->window));
231 * Move the window in response to a server-side request.
233 void move_window(void *frontend, int x, int y)
235 struct gui_data *inst = (struct gui_data *)frontend;
237 * I assume that when the GTK version of this call is available
238 * we should use it. Not sure how it differs from the GDK one,
241 #if GTK_CHECK_VERSION(2,0,0)
242 gtk_window_move(GTK_WINDOW(inst->window), x, y);
244 gdk_window_move(inst->window->window, x, y);
249 * Move the window to the top or bottom of the z-order in response
250 * to a server-side request.
252 void set_zorder(void *frontend, int top)
254 struct gui_data *inst = (struct gui_data *)frontend;
256 gdk_window_raise(inst->window->window);
258 gdk_window_lower(inst->window->window);
262 * Refresh the window in response to a server-side request.
264 void refresh_window(void *frontend)
266 struct gui_data *inst = (struct gui_data *)frontend;
267 term_invalidate(inst->term);
271 * Maximise or restore the window in response to a server-side
274 void set_zoomed(void *frontend, int zoomed)
277 * GTK 1.2 doesn't know how to do this.
279 #if GTK_CHECK_VERSION(2,0,0)
280 struct gui_data *inst = (struct gui_data *)frontend;
282 gtk_window_maximize(GTK_WINDOW(inst->window));
284 gtk_window_unmaximize(GTK_WINDOW(inst->window));
289 * Report whether the window is iconic, for terminal reports.
291 int is_iconic(void *frontend)
293 struct gui_data *inst = (struct gui_data *)frontend;
294 return !gdk_window_is_viewable(inst->window->window);
298 * Report the window's position, for terminal reports.
300 void get_window_pos(void *frontend, int *x, int *y)
302 struct gui_data *inst = (struct gui_data *)frontend;
304 * I assume that when the GTK version of this call is available
305 * we should use it. Not sure how it differs from the GDK one,
308 #if GTK_CHECK_VERSION(2,0,0)
309 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
311 gdk_window_get_position(inst->window->window, x, y);
316 * Report the window's pixel size, for terminal reports.
318 void get_window_pixels(void *frontend, int *x, int *y)
320 struct gui_data *inst = (struct gui_data *)frontend;
322 * I assume that when the GTK version of this call is available
323 * we should use it. Not sure how it differs from the GDK one,
326 #if GTK_CHECK_VERSION(2,0,0)
327 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
329 gdk_window_get_size(inst->window->window, x, y);
334 * Return the window or icon title.
336 char *get_window_title(void *frontend, int icon)
338 struct gui_data *inst = (struct gui_data *)frontend;
339 return icon ? inst->wintitle : inst->icontitle;
342 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
344 struct gui_data *inst = (struct gui_data *)data;
345 if (!inst->exited && inst->cfg.warn_on_close) {
346 if (!reallyclose(inst))
352 static void show_mouseptr(struct gui_data *inst, int show)
354 if (!inst->cfg.hide_mouseptr)
357 gdk_window_set_cursor(inst->area->window, inst->currcursor);
359 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
360 inst->mouseptr_visible = show;
363 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
365 struct gui_data *inst = (struct gui_data *)data;
366 int w, h, need_size = 0;
368 w = (event->width - 2*inst->cfg.window_border) / inst->font_width;
369 h = (event->height - 2*inst->cfg.window_border) / inst->font_height;
371 if (w != inst->width || h != inst->height) {
373 gdk_pixmap_unref(inst->pixmap);
376 inst->cfg.width = inst->width = w;
377 inst->cfg.height = inst->height = h;
383 inst->pixmap = gdk_pixmap_new(widget->window,
384 (inst->cfg.width * inst->font_width +
385 2*inst->cfg.window_border),
386 (inst->cfg.height * inst->font_height +
387 2*inst->cfg.window_border), -1);
389 gc = gdk_gc_new(inst->area->window);
390 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
391 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
392 inst->cfg.width * inst->font_width + 2*inst->cfg.window_border,
393 inst->cfg.height * inst->font_height + 2*inst->cfg.window_border);
398 term_size(inst->term, h, w, inst->cfg.savelines);
404 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
406 struct gui_data *inst = (struct gui_data *)data;
409 * Pass the exposed rectangle to terminal.c, which will call us
410 * back to do the actual painting.
413 gdk_draw_pixmap(widget->window,
414 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
416 event->area.x, event->area.y,
417 event->area.x, event->area.y,
418 event->area.width, event->area.height);
423 #define KEY_PRESSED(k) \
424 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
426 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
428 struct gui_data *inst = (struct gui_data *)data;
432 /* By default, nothing is generated. */
436 * If Alt is being released after typing an Alt+numberpad
437 * sequence, we should generate the code that was typed.
439 * Note that we only do this if more than one key was actually
440 * pressed - I don't think Alt+NumPad4 should be ^D or that
441 * Alt+NumPad3 should be ^C, for example. There's no serious
442 * inconvenience in having to type a zero before a single-digit
445 if (event->type == GDK_KEY_RELEASE &&
446 (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
447 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
448 inst->alt_keycode >= 0 && inst->alt_digits > 1) {
450 printf("Alt key up, keycode = %d\n", inst->alt_keycode);
452 output[0] = inst->alt_keycode;
457 if (event->type == GDK_KEY_PRESS) {
461 printf("keypress: keyval = %04x, state = %08x; string =",
462 event->keyval, event->state);
463 for (i = 0; event->string[i]; i++)
464 printf(" %02x", (unsigned char) event->string[i]);
470 * NYI: Compose key (!!! requires Unicode faff before even trying)
474 * If Alt has just been pressed, we start potentially
475 * accumulating an Alt+numberpad code. We do this by
476 * setting alt_keycode to -1 (nothing yet but plausible).
478 if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
479 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
480 inst->alt_keycode = -1;
481 inst->alt_digits = 0;
482 goto done; /* this generates nothing else */
486 * If we're seeing a numberpad key press with Mod1 down,
487 * consider adding it to alt_keycode if that's sensible.
488 * Anything _else_ with Mod1 down cancels any possibility
489 * of an ALT keycode: we set alt_keycode to -2.
491 if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
493 switch (event->keyval) {
494 case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
495 case GDK_KP_1: case GDK_KP_End: digit = 1; break;
496 case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
497 case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
498 case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
499 case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
500 case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
501 case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
502 case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
503 case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
506 inst->alt_keycode = -2; /* it's invalid */
509 printf("Adding digit %d to keycode %d", digit,
512 if (inst->alt_keycode == -1)
513 inst->alt_keycode = digit; /* one-digit code */
515 inst->alt_keycode = inst->alt_keycode * 10 + digit;
518 printf(" gives new code %d\n", inst->alt_keycode);
520 /* Having used this digit, we now do nothing more with it. */
526 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
529 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
530 term_scroll(inst->term, 0, -inst->cfg.height/2);
533 if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
534 term_scroll(inst->term, 0, -1);
537 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
538 term_scroll(inst->term, 0, +inst->cfg.height/2);
541 if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
542 term_scroll(inst->term, 0, +1);
547 * Neither does Shift-Ins.
549 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
554 /* ALT+things gives leading Escape. */
556 strncpy(output+1, event->string, 31);
558 end = strlen(output);
559 if (event->state & GDK_MOD1_MASK) {
561 if (end == 1) end = 0;
565 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
566 if (!event->string[0] && event->keyval == '`' &&
567 (event->state & GDK_CONTROL_MASK)) {
572 /* Control-Break is the same as Control-C */
573 if (event->keyval == GDK_Break &&
574 (event->state & GDK_CONTROL_MASK)) {
579 /* Control-2, Control-Space and Control-@ are NUL */
580 if (!event->string[0] &&
581 (event->keyval == ' ' || event->keyval == '2' ||
582 event->keyval == '@') &&
583 (event->state & (GDK_SHIFT_MASK |
584 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
589 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
590 if (!event->string[0] && event->keyval == ' ' &&
591 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
592 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
597 /* We don't let GTK tell us what Backspace is! We know better. */
598 if (event->keyval == GDK_BackSpace &&
599 !(event->state & GDK_SHIFT_MASK)) {
600 output[1] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08';
603 /* For Shift Backspace, do opposite of what is configured. */
604 if (event->keyval == GDK_BackSpace &&
605 (event->state & GDK_SHIFT_MASK)) {
606 output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F';
610 /* Shift-Tab is ESC [ Z */
611 if (event->keyval == GDK_ISO_Left_Tab ||
612 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
613 end = 1 + sprintf(output+1, "\033[Z");
617 * NetHack keypad mode.
619 if (inst->cfg.nethack_keypad) {
621 switch (event->keyval) {
622 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
623 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
624 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
625 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
626 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
627 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
628 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
629 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
630 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
634 if (event->state & GDK_SHIFT_MASK)
643 * Application keypad mode.
645 if (inst->term->app_keypad_keys && !inst->cfg.no_applic_k) {
647 switch (event->keyval) {
648 case GDK_Num_Lock: xkey = 'P'; break;
649 case GDK_KP_Divide: xkey = 'Q'; break;
650 case GDK_KP_Multiply: xkey = 'R'; break;
651 case GDK_KP_Subtract: xkey = 'S'; break;
653 * Keypad + is tricky. It covers a space that would
654 * be taken up on the VT100 by _two_ keys; so we
655 * let Shift select between the two. Worse still,
656 * in xterm function key mode we change which two...
659 if (inst->cfg.funky_type == 2) {
660 if (event->state & GDK_SHIFT_MASK)
664 } else if (event->state & GDK_SHIFT_MASK)
669 case GDK_KP_Enter: xkey = 'M'; break;
670 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
671 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
672 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
673 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
674 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
675 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
676 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
677 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
678 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
679 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
680 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
683 if (inst->term->vt52_mode) {
684 if (xkey >= 'P' && xkey <= 'S')
685 end = 1 + sprintf(output+1, "\033%c", xkey);
687 end = 1 + sprintf(output+1, "\033?%c", xkey);
689 end = 1 + sprintf(output+1, "\033O%c", xkey);
695 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
696 * for integer decimal nn.)
698 * We also deal with the weird ones here. Linux VCs replace F1
699 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
700 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
705 switch (event->keyval) {
707 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
710 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
713 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
716 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
719 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
722 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
725 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
728 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
731 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
734 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
767 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
768 case GDK_Home: case GDK_KP_Home:
771 case GDK_Insert: case GDK_KP_Insert:
774 case GDK_Delete: case GDK_KP_Delete:
777 case GDK_End: case GDK_KP_End:
780 case GDK_Page_Up: case GDK_KP_Page_Up:
783 case GDK_Page_Down: case GDK_KP_Page_Down:
787 /* Reorder edit keys to physical order */
788 if (inst->cfg.funky_type == 3 && code <= 6)
789 code = "\0\2\1\4\5\3\6"[code];
791 if (inst->term->vt52_mode && code > 0 && code <= 6) {
792 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
796 if (inst->cfg.funky_type == 5 && /* SCO function keys */
797 code >= 11 && code <= 34) {
798 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
800 switch (event->keyval) {
801 case GDK_F1: index = 0; break;
802 case GDK_F2: index = 1; break;
803 case GDK_F3: index = 2; break;
804 case GDK_F4: index = 3; break;
805 case GDK_F5: index = 4; break;
806 case GDK_F6: index = 5; break;
807 case GDK_F7: index = 6; break;
808 case GDK_F8: index = 7; break;
809 case GDK_F9: index = 8; break;
810 case GDK_F10: index = 9; break;
811 case GDK_F11: index = 10; break;
812 case GDK_F12: index = 11; break;
814 if (event->state & GDK_SHIFT_MASK) index += 12;
815 if (event->state & GDK_CONTROL_MASK) index += 24;
816 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
819 if (inst->cfg.funky_type == 5 && /* SCO small keypad */
820 code >= 1 && code <= 6) {
821 char codes[] = "HL.FIG";
826 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
830 if ((inst->term->vt52_mode || inst->cfg.funky_type == 4) &&
831 code >= 11 && code <= 24) {
837 if (inst->term->vt52_mode)
838 end = 1 + sprintf(output+1,
839 "\x1B%c", code + 'P' - 11 - offt);
841 end = 1 + sprintf(output+1,
842 "\x1BO%c", code + 'P' - 11 - offt);
845 if (inst->cfg.funky_type == 1 && code >= 11 && code <= 15) {
846 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
849 if (inst->cfg.funky_type == 2 && code >= 11 && code <= 14) {
850 if (inst->term->vt52_mode)
851 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
853 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
856 if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) {
857 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
861 end = 1 + sprintf(output+1, "\x1B[%d~", code);
867 * Cursor keys. (This includes the numberpad cursor keys,
868 * if we haven't already done them due to app keypad mode.)
870 * Here we also process un-numlocked un-appkeypadded KP5,
871 * which sends ESC [ G.
875 switch (event->keyval) {
876 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
877 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
878 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
879 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
880 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
884 * The arrow keys normally do ESC [ A and so on. In
885 * app cursor keys mode they do ESC O A instead.
886 * Ctrl toggles the two modes.
888 if (inst->term->vt52_mode) {
889 end = 1 + sprintf(output+1, "\033%c", xkey);
890 } else if (!inst->term->app_cursor_keys ^
891 !(event->state & GDK_CONTROL_MASK)) {
892 end = 1 + sprintf(output+1, "\033O%c", xkey);
894 end = 1 + sprintf(output+1, "\033[%c", xkey);
907 printf("generating sequence:");
908 for (i = start; i < end; i++)
909 printf(" %02x", (unsigned char) output[i]);
913 if (!inst->direct_to_font) {
915 * The stuff we've just generated is assumed to be
916 * ISO-8859-1! This sounds insane, but `man
917 * XLookupString' agrees: strings of this type returned
918 * from the X server are hardcoded to 8859-1. Strictly
919 * speaking we should be doing this using some sort of
920 * GtkIMContext, which (if we're lucky) would give us
921 * our data directly in Unicode; but that's not
922 * supported in GTK 1.2 as far as I can tell, and it's
923 * poorly documented even in 2.0, so it'll have to
926 lpage_send(inst->ldisc, CS_ISO8859_1, output+start, end-start, 1);
929 * In direct-to-font mode, we just send the string
930 * exactly as we received it.
932 ldisc_send(inst->ldisc, output+start, end-start, 1);
935 show_mouseptr(inst, 0);
936 term_seen_key_event(inst->term);
937 term_out(inst->term);
943 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
945 struct gui_data *inst = (struct gui_data *)data;
946 int shift, ctrl, alt, x, y, button, act;
948 show_mouseptr(inst, 1);
950 if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
951 term_scroll(inst->term, 0, -5);
954 if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
955 term_scroll(inst->term, 0, +5);
959 shift = event->state & GDK_SHIFT_MASK;
960 ctrl = event->state & GDK_CONTROL_MASK;
961 alt = event->state & GDK_MOD1_MASK;
963 if (event->button == 3 && ctrl) {
964 gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
965 event->button, event->time);
969 if (event->button == 1)
971 else if (event->button == 2)
973 else if (event->button == 3)
976 return FALSE; /* don't even know what button! */
978 switch (event->type) {
979 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
980 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
981 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
982 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
983 default: return FALSE; /* don't know this event type */
986 if (send_raw_mouse && !(inst->cfg.mouse_override && shift) &&
987 act != MA_CLICK && act != MA_RELEASE)
988 return TRUE; /* we ignore these in raw mouse mode */
990 x = (event->x - inst->cfg.window_border) / inst->font_width;
991 y = (event->y - inst->cfg.window_border) / inst->font_height;
993 term_mouse(inst->term, button, translate_button(button), act,
994 x, y, shift, ctrl, alt);
999 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1001 struct gui_data *inst = (struct gui_data *)data;
1002 int shift, ctrl, alt, x, y, button;
1004 show_mouseptr(inst, 1);
1006 shift = event->state & GDK_SHIFT_MASK;
1007 ctrl = event->state & GDK_CONTROL_MASK;
1008 alt = event->state & GDK_MOD1_MASK;
1009 if (event->state & GDK_BUTTON1_MASK)
1011 else if (event->state & GDK_BUTTON2_MASK)
1012 button = MBT_MIDDLE;
1013 else if (event->state & GDK_BUTTON3_MASK)
1016 return FALSE; /* don't even know what button! */
1018 x = (event->x - inst->cfg.window_border) / inst->font_width;
1019 y = (event->y - inst->cfg.window_border) / inst->font_height;
1021 term_mouse(inst->term, button, translate_button(button), MA_DRAG,
1022 x, y, shift, ctrl, alt);
1027 void frontend_keypress(void *handle)
1029 struct gui_data *inst = (struct gui_data *)handle;
1032 * If our child process has exited but not closed, terminate on
1039 gint timer_func(gpointer data)
1041 struct gui_data *inst = (struct gui_data *)data;
1044 if (!inst->exited &&
1045 (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
1046 inst->exited = TRUE;
1047 if (inst->cfg.close_on_exit == FORCE_ON ||
1048 (inst->cfg.close_on_exit == AUTO && exitcode == 0))
1049 exit(0); /* just go. */
1052 term_update(inst->term);
1053 term_blink(inst->term, 0);
1057 void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
1060 * We must process exceptional notifications before ordinary
1061 * readability ones, or we may go straight past the urgent
1064 if (condition & GDK_INPUT_EXCEPTION)
1065 select_result(sourcefd, 4);
1066 if (condition & GDK_INPUT_READ)
1067 select_result(sourcefd, 1);
1068 if (condition & GDK_INPUT_WRITE)
1069 select_result(sourcefd, 2);
1072 void destroy(GtkWidget *widget, gpointer data)
1077 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1079 struct gui_data *inst = (struct gui_data *)data;
1080 inst->term->has_focus = event->in;
1081 term_out(inst->term);
1082 term_update(inst->term);
1083 show_mouseptr(inst, 1);
1088 * set or clear the "raw mouse message" mode
1090 void set_raw_mouse_mode(void *frontend, int activate)
1092 struct gui_data *inst = (struct gui_data *)frontend;
1093 activate = activate && !inst->cfg.no_mouse_rep;
1094 send_raw_mouse = activate;
1096 inst->currcursor = inst->rawcursor;
1098 inst->currcursor = inst->textcursor;
1099 show_mouseptr(inst, inst->mouseptr_visible);
1102 void request_resize(void *frontend, int w, int h)
1104 struct gui_data *inst = (struct gui_data *)frontend;
1105 int large_x, large_y;
1106 int offset_x, offset_y;
1108 GtkRequisition inner, outer;
1111 * This is a heinous hack dreamed up by the gnome-terminal
1112 * people to get around a limitation in gtk. The problem is
1113 * that in order to set the size correctly we really need to be
1114 * calling gtk_window_resize - but that needs to know the size
1115 * of the _whole window_, not the drawing area. So what we do
1116 * is to set an artificially huge size request on the drawing
1117 * area, recompute the resulting size request on the window,
1118 * and look at the difference between the two. That gives us
1119 * the x and y offsets we need to translate drawing area size
1120 * into window size for real, and then we call
1121 * gtk_window_resize.
1125 * We start by retrieving the current size of the whole window.
1126 * Adding a bit to _that_ will give us a value we can use as a
1127 * bogus size request which guarantees to be bigger than the
1128 * current size of the drawing area.
1130 get_window_pixels(inst, &large_x, &large_y);
1134 #if GTK_CHECK_VERSION(2,0,0)
1135 gtk_widget_set_size_request(inst->area, large_x, large_y);
1137 gtk_widget_set_usize(inst->area, large_x, large_y);
1139 gtk_widget_size_request(inst->area, &inner);
1140 gtk_widget_size_request(inst->window, &outer);
1142 offset_x = outer.width - inner.width;
1143 offset_y = outer.height - inner.height;
1145 area_x = inst->font_width * w + 2*inst->cfg.window_border;
1146 area_y = inst->font_height * h + 2*inst->cfg.window_border;
1149 * Now we must set the size request on the drawing area back to
1150 * something sensible before we commit the real resize. Best
1151 * way to do this, I think, is to set it to what the size is
1152 * really going to end up being.
1154 #if GTK_CHECK_VERSION(2,0,0)
1155 gtk_widget_set_size_request(inst->area, area_x, area_y);
1157 gtk_widget_set_usize(inst->area, area_x, area_y);
1158 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y);
1161 gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window));
1163 #if GTK_CHECK_VERSION(2,0,0)
1164 gtk_window_resize(GTK_WINDOW(inst->window),
1165 area_x + offset_x, area_y + offset_y);
1167 gdk_window_resize(inst->window->window,
1168 area_x + offset_x, area_y + offset_y);
1172 static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
1174 gboolean success[1];
1176 inst->cols[n].red = r * 0x0101;
1177 inst->cols[n].green = g * 0x0101;
1178 inst->cols[n].blue = b * 0x0101;
1180 gdk_colormap_free_colors(inst->colmap, inst->cols + n, 1);
1181 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
1182 FALSE, FALSE, success);
1184 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname,
1188 void set_window_background(struct gui_data *inst)
1190 if (inst->area && inst->area->window)
1191 gdk_window_set_background(inst->area->window, &inst->cols[18]);
1192 if (inst->window && inst->window->window)
1193 gdk_window_set_background(inst->window->window, &inst->cols[18]);
1196 void palette_set(void *frontend, int n, int r, int g, int b)
1198 struct gui_data *inst = (struct gui_data *)frontend;
1199 static const int first[21] = {
1200 0, 2, 4, 6, 8, 10, 12, 14,
1201 1, 3, 5, 7, 9, 11, 13, 15,
1204 real_palette_set(inst, first[n], r, g, b);
1206 real_palette_set(inst, first[n] + 1, r, g, b);
1208 set_window_background(inst);
1211 void palette_reset(void *frontend)
1213 struct gui_data *inst = (struct gui_data *)frontend;
1214 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1215 static const int ww[] = {
1216 6, 7, 8, 9, 10, 11, 12, 13,
1217 14, 15, 16, 17, 18, 19, 20, 21,
1220 gboolean success[NCOLOURS];
1223 assert(lenof(ww) == NCOLOURS);
1225 if (!inst->colmap) {
1226 inst->colmap = gdk_colormap_get_system();
1228 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
1231 for (i = 0; i < NCOLOURS; i++) {
1232 inst->cols[i].red = inst->cfg.colours[ww[i]][0] * 0x0101;
1233 inst->cols[i].green = inst->cfg.colours[ww[i]][1] * 0x0101;
1234 inst->cols[i].blue = inst->cfg.colours[ww[i]][2] * 0x0101;
1237 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
1238 FALSE, FALSE, success);
1239 for (i = 0; i < NCOLOURS; i++) {
1241 g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
1242 appname, i, inst->cfg.colours[i][0],
1243 inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
1246 set_window_background(inst);
1249 void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
1251 struct gui_data *inst = (struct gui_data *)frontend;
1252 if (inst->pasteout_data)
1253 sfree(inst->pasteout_data);
1254 if (inst->pasteout_data_utf8)
1255 sfree(inst->pasteout_data_utf8);
1258 * Set up UTF-8 paste data. This only happens if we aren't in
1259 * direct-to-font mode using the D800 hack.
1261 if (!inst->direct_to_font) {
1262 wchar_t *tmp = data;
1265 inst->pasteout_data_utf8 = snewn(len*6, char);
1266 inst->pasteout_data_utf8_len = len*6;
1267 inst->pasteout_data_utf8_len =
1268 charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
1269 inst->pasteout_data_utf8_len,
1270 CS_UTF8, NULL, NULL, 0);
1271 if (inst->pasteout_data_utf8_len == 0) {
1272 sfree(inst->pasteout_data_utf8);
1273 inst->pasteout_data_utf8 = NULL;
1275 inst->pasteout_data_utf8 =
1276 sresize(inst->pasteout_data_utf8,
1277 inst->pasteout_data_utf8_len, char);
1280 inst->pasteout_data_utf8 = NULL;
1281 inst->pasteout_data_utf8_len = 0;
1284 inst->pasteout_data = snewn(len*6, char);
1285 inst->pasteout_data_len = len*6;
1286 inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
1287 data, len, inst->pasteout_data,
1288 inst->pasteout_data_len,
1290 if (inst->pasteout_data_len == 0) {
1291 sfree(inst->pasteout_data);
1292 inst->pasteout_data = NULL;
1294 inst->pasteout_data =
1295 sresize(inst->pasteout_data, inst->pasteout_data_len, char);
1298 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
1299 GDK_CURRENT_TIME)) {
1300 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1301 GDK_SELECTION_TYPE_STRING, 1);
1302 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1303 compound_text_atom, 1);
1304 if (inst->pasteout_data_utf8)
1305 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1306 utf8_string_atom, 1);
1310 term_deselect(inst->term);
1313 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1314 guint info, guint time_stamp, gpointer data)
1316 struct gui_data *inst = (struct gui_data *)data;
1317 if (seldata->target == utf8_string_atom)
1318 gtk_selection_data_set(seldata, seldata->target, 8,
1319 inst->pasteout_data_utf8,
1320 inst->pasteout_data_utf8_len);
1322 gtk_selection_data_set(seldata, seldata->target, 8,
1323 inst->pasteout_data, inst->pasteout_data_len);
1326 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1329 struct gui_data *inst = (struct gui_data *)data;
1330 term_deselect(inst->term);
1331 if (inst->pasteout_data)
1332 sfree(inst->pasteout_data);
1333 if (inst->pasteout_data_utf8)
1334 sfree(inst->pasteout_data_utf8);
1335 inst->pasteout_data = NULL;
1336 inst->pasteout_data_len = 0;
1337 inst->pasteout_data_utf8 = NULL;
1338 inst->pasteout_data_utf8_len = 0;
1342 void request_paste(void *frontend)
1344 struct gui_data *inst = (struct gui_data *)frontend;
1346 * In Unix, pasting is asynchronous: all we can do at the
1347 * moment is to call gtk_selection_convert(), and when the data
1348 * comes back _then_ we can call term_do_paste().
1351 if (!inst->direct_to_font) {
1353 * First we attempt to retrieve the selection as a UTF-8
1354 * string (which we will convert to the correct code page
1355 * before sending to the session, of course). If that
1356 * fails, selection_received() will be informed and will
1357 * fall back to an ordinary string.
1359 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1360 utf8_string_atom, GDK_CURRENT_TIME);
1363 * If we're in direct-to-font mode, we disable UTF-8
1364 * pasting, and go straight to ordinary string data.
1366 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1367 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1371 gint idle_paste_func(gpointer data); /* forward ref */
1373 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
1374 guint time, gpointer data)
1376 struct gui_data *inst = (struct gui_data *)data;
1378 if (seldata->target == utf8_string_atom && seldata->length <= 0) {
1380 * Failed to get a UTF-8 selection string. Try an ordinary
1383 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1384 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1389 * Any other failure should just go foom.
1391 if (seldata->length <= 0 ||
1392 (seldata->type != GDK_SELECTION_TYPE_STRING &&
1393 seldata->type != utf8_string_atom))
1394 return; /* Nothing happens. */
1396 if (inst->pastein_data)
1397 sfree(inst->pastein_data);
1399 inst->pastein_data = snewn(seldata->length, wchar_t);
1400 inst->pastein_data_len = seldata->length;
1401 inst->pastein_data_len =
1402 mb_to_wc((seldata->type == utf8_string_atom ?
1403 CS_UTF8 : inst->ucsdata.line_codepage),
1404 0, seldata->data, seldata->length,
1405 inst->pastein_data, inst->pastein_data_len);
1407 term_do_paste(inst->term);
1409 if (term_paste_pending(inst->term))
1410 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
1413 gint idle_paste_func(gpointer data)
1415 struct gui_data *inst = (struct gui_data *)data;
1417 if (term_paste_pending(inst->term))
1418 term_paste(inst->term);
1420 gtk_idle_remove(inst->term_paste_idle_id);
1426 void get_clip(void *frontend, wchar_t ** p, int *len)
1428 struct gui_data *inst = (struct gui_data *)frontend;
1431 *p = inst->pastein_data;
1432 *len = inst->pastein_data_len;
1436 void set_title(void *frontend, char *title)
1438 struct gui_data *inst = (struct gui_data *)frontend;
1439 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1440 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1441 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1444 void set_icon(void *frontend, char *title)
1446 struct gui_data *inst = (struct gui_data *)frontend;
1447 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1448 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1449 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1452 void set_sbar(void *frontend, int total, int start, int page)
1454 struct gui_data *inst = (struct gui_data *)frontend;
1455 if (!inst->cfg.scrollbar)
1457 inst->sbar_adjust->lower = 0;
1458 inst->sbar_adjust->upper = total;
1459 inst->sbar_adjust->value = start;
1460 inst->sbar_adjust->page_size = page;
1461 inst->sbar_adjust->step_increment = 1;
1462 inst->sbar_adjust->page_increment = page/2;
1463 inst->ignore_sbar = TRUE;
1464 gtk_adjustment_changed(inst->sbar_adjust);
1465 inst->ignore_sbar = FALSE;
1468 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1470 struct gui_data *inst = (struct gui_data *)data;
1472 if (!inst->cfg.scrollbar)
1474 if (!inst->ignore_sbar)
1475 term_scroll(inst->term, 1, (int)adj->value);
1478 void sys_cursor(void *frontend, int x, int y)
1481 * This is meaningless under X.
1486 * This is still called when mode==BELL_VISUAL, even though the
1487 * visual bell is handled entirely within terminal.c, because we
1488 * may want to perform additional actions on any kind of bell (for
1489 * example, taskbar flashing in Windows).
1491 void beep(void *frontend, int mode)
1493 if (mode != BELL_VISUAL)
1497 int char_width(Context ctx, int uc)
1500 * Under X, any fixed-width font really _is_ fixed-width.
1501 * Double-width characters will be dealt with using a separate
1502 * font. For the moment we can simply return 1.
1507 Context get_ctx(void *frontend)
1509 struct gui_data *inst = (struct gui_data *)frontend;
1510 struct draw_ctx *dctx;
1512 if (!inst->area->window)
1515 dctx = snew(struct draw_ctx);
1517 dctx->gc = gdk_gc_new(inst->area->window);
1521 void free_ctx(Context ctx)
1523 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1524 /* struct gui_data *inst = dctx->inst; */
1525 GdkGC *gc = dctx->gc;
1531 * Draw a line of text in the window, at given character
1532 * coordinates, in given attributes.
1534 * We are allowed to fiddle with the contents of `text'.
1536 void do_text_internal(Context ctx, int x, int y, char *text, int len,
1537 unsigned long attr, int lattr)
1539 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1540 struct gui_data *inst = dctx->inst;
1541 GdkGC *gc = dctx->gc;
1543 int nfg, nbg, t, fontid, shadow, rlen, widefactor;
1545 nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1546 nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
1547 nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1548 nbg = 2 * (nbg & 0xF) + (nbg & 0x10 ? 1 : 0);
1549 if (attr & ATTR_REVERSE) {
1554 if (inst->cfg.bold_colour && (attr & ATTR_BOLD))
1556 if (inst->cfg.bold_colour && (attr & ATTR_BLINK))
1558 if (attr & TATTR_ACTCURS) {
1563 fontid = shadow = 0;
1565 if (attr & ATTR_WIDE) {
1572 if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) {
1573 if (inst->fonts[fontid | 1])
1579 if (lattr != LATTR_NORM) {
1581 if (x >= inst->term->cols)
1583 if (x + len*2*widefactor > inst->term->cols)
1584 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1592 r.x = x*inst->font_width+inst->cfg.window_border;
1593 r.y = y*inst->font_height+inst->cfg.window_border;
1594 r.width = rlen*widefactor*inst->font_width;
1595 r.height = inst->font_height;
1596 gdk_gc_set_clip_rectangle(gc, &r);
1599 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1600 gdk_draw_rectangle(inst->pixmap, gc, 1,
1601 x*inst->font_width+inst->cfg.window_border,
1602 y*inst->font_height+inst->cfg.window_border,
1603 rlen*widefactor*inst->font_width, inst->font_height);
1605 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1612 wcs = snewn(len+1, wchar_t);
1613 for (i = 0; i < len; i++) {
1614 wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
1617 if (inst->fonts[fontid] == NULL) {
1619 * The font for this contingency does not exist.
1620 * Typically this means we've been given ATTR_WIDE
1621 * character and have no wide font. So we display
1622 * nothing at all; such is life.
1624 } else if (inst->fontinfo[fontid].is_wide) {
1626 * At least one version of gdk_draw_text_wc() has a
1627 * weird bug whereby it reads `len' elements of the
1628 * input string, but only draws `len/2'. Hence I'm
1629 * going to make its input array twice as long as it
1630 * theoretically needs to be, and pass in twice the
1631 * actual number of characters. If a fixed gdk actually
1632 * takes the doubled length seriously, then (a) the
1633 * array will stand scrutiny up to the full length, (b)
1634 * the spare elements of the array are full of zeroes
1635 * which will probably be an empty glyph in the font,
1636 * and (c) the clip rectangle should prevent it causing
1639 gwcs = snewn(len*2+1, GdkWChar);
1640 memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
1642 * FIXME: when we have a wide-char equivalent of
1643 * from_unicode, use it instead of this.
1645 for (i = 0; i <= len; i++)
1647 gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
1648 x*inst->font_width+inst->cfg.window_border,
1649 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1653 gcs = snewn(len+1, gchar);
1654 wc_to_mb(inst->fontinfo[fontid].charset, 0,
1655 wcs, len, gcs, len, ".", NULL, NULL);
1656 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1657 x*inst->font_width+inst->cfg.window_border,
1658 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1666 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1667 x*inst->font_width+inst->cfg.window_border + inst->cfg.shadowboldoffset,
1668 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1672 if (attr & ATTR_UNDER) {
1673 int uheight = inst->fonts[0]->ascent + 1;
1674 if (uheight >= inst->font_height)
1675 uheight = inst->font_height - 1;
1676 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->cfg.window_border,
1677 y*inst->font_height + uheight + inst->cfg.window_border,
1678 (x+len)*widefactor*inst->font_width-1+inst->cfg.window_border,
1679 y*inst->font_height + uheight + inst->cfg.window_border);
1682 if (lattr != LATTR_NORM) {
1684 * I can't find any plausible StretchBlt equivalent in the
1685 * X server, so I'm going to do this the slow and painful
1686 * way. This will involve repeated calls to
1687 * gdk_draw_pixmap() to stretch the text horizontally. It's
1688 * O(N^2) in time and O(N) in network bandwidth, but you
1689 * try thinking of a better way. :-(
1692 for (i = 0; i < len * widefactor * inst->font_width; i++) {
1693 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1694 x*inst->font_width+inst->cfg.window_border + 2*i,
1695 y*inst->font_height+inst->cfg.window_border,
1696 x*inst->font_width+inst->cfg.window_border + 2*i+1,
1697 y*inst->font_height+inst->cfg.window_border,
1698 len * inst->font_width - i, inst->font_height);
1701 if (lattr != LATTR_WIDE) {
1703 /* Now stretch vertically, in the same way. */
1704 if (lattr == LATTR_BOT)
1708 for (i = 0; i < inst->font_height; i+=2) {
1709 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1710 x*inst->font_width+inst->cfg.window_border,
1711 y*inst->font_height+inst->cfg.window_border+dt*i+db,
1712 x*widefactor*inst->font_width+inst->cfg.window_border,
1713 y*inst->font_height+inst->cfg.window_border+dt*(i+1),
1714 len * inst->font_width, inst->font_height-i-1);
1720 void do_text(Context ctx, int x, int y, char *text, int len,
1721 unsigned long attr, int lattr)
1723 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1724 struct gui_data *inst = dctx->inst;
1725 GdkGC *gc = dctx->gc;
1728 do_text_internal(ctx, x, y, text, len, attr, lattr);
1730 if (attr & ATTR_WIDE) {
1736 if (lattr != LATTR_NORM) {
1738 if (x >= inst->term->cols)
1740 if (x + len*2*widefactor > inst->term->cols)
1741 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1745 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1746 x*inst->font_width+inst->cfg.window_border,
1747 y*inst->font_height+inst->cfg.window_border,
1748 x*inst->font_width+inst->cfg.window_border,
1749 y*inst->font_height+inst->cfg.window_border,
1750 len*widefactor*inst->font_width, inst->font_height);
1753 void do_cursor(Context ctx, int x, int y, char *text, int len,
1754 unsigned long attr, int lattr)
1756 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1757 struct gui_data *inst = dctx->inst;
1758 GdkGC *gc = dctx->gc;
1760 int passive, widefactor;
1762 if (attr & TATTR_PASCURS) {
1763 attr &= ~TATTR_PASCURS;
1767 if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) {
1768 attr &= ~TATTR_ACTCURS;
1770 do_text_internal(ctx, x, y, text, len, attr, lattr);
1772 if (attr & ATTR_WIDE) {
1778 if (lattr != LATTR_NORM) {
1780 if (x >= inst->term->cols)
1782 if (x + len*2*widefactor > inst->term->cols)
1783 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1787 if (inst->cfg.cursor_type == 0) {
1789 * An active block cursor will already have been done by
1790 * the above do_text call, so we only need to do anything
1794 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1795 gdk_draw_rectangle(inst->pixmap, gc, 0,
1796 x*inst->font_width+inst->cfg.window_border,
1797 y*inst->font_height+inst->cfg.window_border,
1798 len*inst->font_width-1, inst->font_height-1);
1802 int startx, starty, dx, dy, length, i;
1806 if ((attr & ATTR_WIDE) || lattr != LATTR_NORM)
1807 char_width = 2*inst->font_width;
1809 char_width = inst->font_width;
1811 if (inst->cfg.cursor_type == 1) {
1812 uheight = inst->fonts[0]->ascent + 1;
1813 if (uheight >= inst->font_height)
1814 uheight = inst->font_height - 1;
1816 startx = x * inst->font_width + inst->cfg.window_border;
1817 starty = y * inst->font_height + inst->cfg.window_border + uheight;
1820 length = len * char_width;
1823 if (attr & TATTR_RIGHTCURS)
1824 xadjust = char_width - 1;
1825 startx = x * inst->font_width + inst->cfg.window_border + xadjust;
1826 starty = y * inst->font_height + inst->cfg.window_border;
1829 length = inst->font_height;
1832 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1834 for (i = 0; i < length; i++) {
1836 gdk_draw_point(inst->pixmap, gc, startx, starty);
1842 gdk_draw_line(inst->pixmap, gc, startx, starty,
1843 startx + (length-1) * dx, starty + (length-1) * dy);
1847 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1848 x*inst->font_width+inst->cfg.window_border,
1849 y*inst->font_height+inst->cfg.window_border,
1850 x*inst->font_width+inst->cfg.window_border,
1851 y*inst->font_height+inst->cfg.window_border,
1852 len*widefactor*inst->font_width, inst->font_height);
1855 GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
1858 * Truly hideous hack: GTK doesn't allow us to set the mouse
1859 * cursor foreground and background colours unless we've _also_
1860 * created our own cursor from bitmaps. Therefore, I need to
1861 * load the `cursor' font and draw glyphs from it on to
1862 * pixmaps, in order to construct my cursors with the fg and bg
1863 * I want. This is a gross hack, but it's more self-contained
1864 * than linking in Xlib to find the X window handle to
1865 * inst->area and calling XRecolorCursor, and it's more
1866 * futureproof than hard-coding the shapes as bitmap arrays.
1868 static GdkFont *cursor_font = NULL;
1869 GdkPixmap *source, *mask;
1871 GdkColor cfg = { 0, 65535, 65535, 65535 };
1872 GdkColor cbg = { 0, 0, 0, 0 };
1873 GdkColor dfg = { 1, 65535, 65535, 65535 };
1874 GdkColor dbg = { 0, 0, 0, 0 };
1877 gint lb, rb, wid, asc, desc, w, h, x, y;
1879 if (cursor_val == -2) {
1880 gdk_font_unref(cursor_font);
1884 if (cursor_val >= 0 && !cursor_font)
1885 cursor_font = gdk_font_load("cursor");
1888 * Get the text extent of the cursor in question. We use the
1889 * mask character for this, because it's typically slightly
1890 * bigger than the main character.
1892 if (cursor_val >= 0) {
1894 text[0] = (char)cursor_val + 1;
1895 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1896 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1902 source = gdk_pixmap_new(NULL, w, h, 1);
1903 mask = gdk_pixmap_new(NULL, w, h, 1);
1906 * Draw the mask character on the mask pixmap.
1908 gc = gdk_gc_new(mask);
1909 gdk_gc_set_foreground(gc, &dbg);
1910 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1911 if (cursor_val >= 0) {
1913 text[0] = (char)cursor_val + 1;
1914 gdk_gc_set_foreground(gc, &dfg);
1915 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1920 * Draw the main character on the source pixmap.
1922 gc = gdk_gc_new(source);
1923 gdk_gc_set_foreground(gc, &dbg);
1924 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1925 if (cursor_val >= 0) {
1927 text[0] = (char)cursor_val;
1928 gdk_gc_set_foreground(gc, &dfg);
1929 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1934 * Create the cursor.
1936 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1941 gdk_pixmap_unref(source);
1942 gdk_pixmap_unref(mask);
1947 void modalfatalbox(char *p, ...)
1950 fprintf(stderr, "FATAL ERROR: ");
1952 vfprintf(stderr, p, ap);
1954 fputc('\n', stderr);
1958 void cmdline_error(char *p, ...)
1961 fprintf(stderr, "%s: ", appname);
1963 vfprintf(stderr, p, ap);
1965 fputc('\n', stderr);
1969 char *get_x_display(void *frontend)
1971 return gdk_get_display();
1974 long get_windowid(void *frontend)
1976 struct gui_data *inst = (struct gui_data *)frontend;
1977 return (long)GDK_WINDOW_XWINDOW(inst->area->window);
1980 static void help(FILE *fp) {
1982 "pterm option summary:\n"
1984 " --display DISPLAY Specify X display to use (note '--')\n"
1985 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
1986 " -fn FONT Normal text font\n"
1987 " -fb FONT Bold text font\n"
1988 " -geometry GEOMETRY Position and size of window (size in characters)\n"
1989 " -sl LINES Number of lines of scrollback\n"
1990 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
1991 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
1992 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
1993 " -T TITLE Window title\n"
1994 " -ut, +ut Do(default) or do not update utmp\n"
1995 " -ls, +ls Do(default) or do not make shell a login shell\n"
1996 " -sb, +sb Do(default) or do not display a scrollbar\n"
1997 " -log PATH Log all output to a file\n"
1998 " -nethack Map numeric keypad to hjklyubn direction keys\n"
1999 " -xrm RESOURCE-STRING Set an X resource\n"
2000 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
2001 ) < 0 || fflush(fp) < 0) {
2002 perror("output error");
2007 int do_cmdline(int argc, char **argv, int do_everything,
2008 struct gui_data *inst, Config *cfg)
2011 extern char **pty_argv; /* declared in pty.c */
2012 extern int use_pty_argv;
2015 * Macros to make argument handling easier. Note that because
2016 * they need to call `continue', they cannot be contained in
2017 * the usual do {...} while (0) wrapper to make them
2018 * syntactically single statements; hence it is not legal to
2019 * use one of these macros as an unbraced statement between
2022 #define EXPECTS_ARG { \
2023 if (--argc <= 0) { \
2025 fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
2030 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
2033 while (--argc > 0) {
2037 ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
2038 do_everything ? 1 : -1, cfg);
2041 cmdline_error("option \"%s\" requires an argument", p);
2042 } else if (ret == 2) {
2043 --argc, ++argv; /* skip next argument */
2045 } else if (ret == 1) {
2049 if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
2052 strncpy(cfg->font.name, val, sizeof(cfg->font.name));
2053 cfg->font.name[sizeof(cfg->font.name)-1] = '\0';
2055 } else if (!strcmp(p, "-fb")) {
2058 strncpy(cfg->boldfont.name, val, sizeof(cfg->boldfont.name));
2059 cfg->boldfont.name[sizeof(cfg->boldfont.name)-1] = '\0';
2061 } else if (!strcmp(p, "-fw")) {
2064 strncpy(cfg->widefont.name, val, sizeof(cfg->widefont.name));
2065 cfg->widefont.name[sizeof(cfg->widefont.name)-1] = '\0';
2067 } else if (!strcmp(p, "-fwb")) {
2070 strncpy(cfg->wideboldfont.name, val, sizeof(cfg->wideboldfont.name));
2071 cfg->wideboldfont.name[sizeof(cfg->wideboldfont.name)-1] = '\0';
2073 } else if (!strcmp(p, "-cs")) {
2076 strncpy(cfg->line_codepage, val, sizeof(cfg->line_codepage));
2077 cfg->line_codepage[sizeof(cfg->line_codepage)-1] = '\0';
2079 } else if (!strcmp(p, "-geometry")) {
2080 int flags, x, y, w, h;
2084 flags = XParseGeometry(val, &x, &y, &w, &h);
2085 if (flags & WidthValue)
2087 if (flags & HeightValue)
2090 if (flags & (XValue | YValue)) {
2093 inst->gotpos = TRUE;
2094 inst->gravity = ((flags & XNegative ? 1 : 0) |
2095 (flags & YNegative ? 2 : 0));
2098 } else if (!strcmp(p, "-sl")) {
2101 cfg->savelines = atoi(val);
2103 } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
2104 !strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
2105 !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
2110 if (!gdk_color_parse(val, &col)) {
2112 fprintf(stderr, "%s: unable to parse colour \"%s\"\n",
2116 index = (!strcmp(p, "-fg") ? 0 :
2117 !strcmp(p, "-bg") ? 2 :
2118 !strcmp(p, "-bfg") ? 1 :
2119 !strcmp(p, "-bbg") ? 3 :
2120 !strcmp(p, "-cfg") ? 4 :
2121 !strcmp(p, "-cbg") ? 5 : -1);
2122 assert(index != -1);
2123 cfg->colours[index][0] = col.red / 256;
2124 cfg->colours[index][1] = col.green / 256;
2125 cfg->colours[index][2] = col.blue / 256;
2128 } else if (use_pty_argv && !strcmp(p, "-e")) {
2129 /* This option swallows all further arguments. */
2135 pty_argv = snewn(argc+1, char *);
2137 for (i = 0; i < argc; i++)
2138 pty_argv[i] = argv[i];
2139 pty_argv[argc] = NULL;
2140 break; /* finished command-line processing */
2142 err = 1, fprintf(stderr, "%s: -e expects an argument\n",
2145 } else if (!strcmp(p, "-title")) {
2148 strncpy(cfg->wintitle, val, sizeof(cfg->wintitle));
2149 cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0';
2151 } else if (!strcmp(p, "-log")) {
2154 strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path));
2155 cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0';
2156 cfg->logtype = LGTYP_DEBUG;
2158 } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
2160 cfg->stamp_utmp = 0;
2162 } else if (!strcmp(p, "-ut")) {
2164 cfg->stamp_utmp = 1;
2166 } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
2168 cfg->login_shell = 0;
2170 } else if (!strcmp(p, "-ls")) {
2172 cfg->login_shell = 1;
2174 } else if (!strcmp(p, "-nethack")) {
2176 cfg->nethack_keypad = 1;
2178 } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
2182 } else if (!strcmp(p, "-sb")) {
2186 } else if (!strcmp(p, "-name")) {
2190 } else if (!strcmp(p, "-xrm")) {
2192 provide_xrm_string(val);
2194 } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
2198 } else if(p[0] != '-' && (!do_everything ||
2199 process_nonoption_arg(p, cfg))) {
2204 fprintf(stderr, "%s: unrecognized option '%s'\n", appname, p);
2211 static void block_signal(int sig, int block_it) {
2215 sigaddset(&ss, sig);
2216 if(sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) {
2217 perror("sigprocmask");
2223 * This function retrieves the character set encoding of a font. It
2224 * returns the character set without the X11 hack (in case the user
2225 * asks to use the font's own encoding).
2227 static int set_font_info(struct gui_data *inst, int fontid)
2229 GdkFont *font = inst->fonts[fontid];
2230 XFontStruct *xfs = GDK_FONT_XFONT(font);
2231 Display *disp = GDK_FONT_XDISPLAY(font);
2232 Atom charset_registry, charset_encoding;
2233 unsigned long registry_ret, encoding_ret;
2234 int retval = CS_NONE;
2236 charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False);
2237 charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False);
2238 inst->fontinfo[fontid].charset = CS_NONE;
2239 inst->fontinfo[fontid].is_wide = 0;
2240 if (XGetFontProperty(xfs, charset_registry, ®istry_ret) &&
2241 XGetFontProperty(xfs, charset_encoding, &encoding_ret)) {
2243 reg = XGetAtomName(disp, (Atom)registry_ret);
2244 enc = XGetAtomName(disp, (Atom)encoding_ret);
2246 char *encoding = dupcat(reg, "-", enc, NULL);
2247 retval = inst->fontinfo[fontid].charset =
2248 charset_from_xenc(encoding);
2249 /* FIXME: when libcharset supports wide encodings fix this. */
2250 if (!strcasecmp(encoding, "iso10646-1")) {
2251 inst->fontinfo[fontid].is_wide = 1;
2256 * Hack for X line-drawing characters: if the primary
2257 * font is encoded as ISO-8859-anything, and has valid
2258 * glyphs in the first 32 char positions, it is assumed
2259 * that those glyphs are the VT100 line-drawing
2262 * Actually, we'll hack even harder by only checking
2263 * position 0x19 (vertical line, VT100 linedrawing
2264 * `x'). Then we can check it easily by seeing if the
2265 * ascent and descent differ.
2267 if (inst->fontinfo[fontid].charset == CS_ISO8859_1) {
2268 int lb, rb, wid, asc, desc;
2273 gdk_string_extents(inst->fonts[fontid], text,
2274 &lb, &rb, &wid, &asc, &desc);
2276 inst->fontinfo[fontid].charset = CS_ISO8859_1_X11;
2286 int uxsel_input_add(int fd, int rwx) {
2288 if (rwx & 1) flags |= GDK_INPUT_READ;
2289 if (rwx & 2) flags |= GDK_INPUT_WRITE;
2290 if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
2291 return gdk_input_add(fd, flags, fd_input_func, NULL);
2294 void uxsel_input_remove(int id) {
2295 gdk_input_remove(id);
2298 void setup_fonts_ucs(struct gui_data *inst)
2303 gdk_font_unref(inst->fonts[0]);
2305 gdk_font_unref(inst->fonts[1]);
2307 gdk_font_unref(inst->fonts[2]);
2309 gdk_font_unref(inst->fonts[3]);
2311 inst->fonts[0] = gdk_font_load(inst->cfg.font.name);
2312 if (!inst->fonts[0]) {
2313 fprintf(stderr, "%s: unable to load font \"%s\"\n", appname,
2314 inst->cfg.font.name);
2317 font_charset = set_font_info(inst, 0);
2318 if (inst->cfg.boldfont.name[0]) {
2319 inst->fonts[1] = gdk_font_load(inst->cfg.boldfont.name);
2320 if (!inst->fonts[1]) {
2321 fprintf(stderr, "%s: unable to load bold font \"%s\"\n", appname,
2322 inst->cfg.boldfont.name);
2325 set_font_info(inst, 1);
2327 inst->fonts[1] = NULL;
2328 if (inst->cfg.widefont.name[0]) {
2329 inst->fonts[2] = gdk_font_load(inst->cfg.widefont.name);
2330 if (!inst->fonts[2]) {
2331 fprintf(stderr, "%s: unable to load wide font \"%s\"\n", appname,
2332 inst->cfg.widefont.name);
2335 set_font_info(inst, 2);
2337 inst->fonts[2] = NULL;
2338 if (inst->cfg.wideboldfont.name[0]) {
2339 inst->fonts[3] = gdk_font_load(inst->cfg.wideboldfont.name);
2340 if (!inst->fonts[3]) {
2341 fprintf(stderr, "%s: unable to load wide/bold font \"%s\"\n",
2342 appname, inst->cfg.wideboldfont.name);
2345 set_font_info(inst, 3);
2347 inst->fonts[3] = NULL;
2349 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
2350 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
2352 inst->direct_to_font = init_ucs(&inst->ucsdata,
2353 inst->cfg.line_codepage, font_charset);
2356 void set_geom_hints(struct gui_data *inst)
2359 geom.min_width = inst->font_width + 2*inst->cfg.window_border;
2360 geom.min_height = inst->font_height + 2*inst->cfg.window_border;
2361 geom.max_width = geom.max_height = -1;
2362 geom.base_width = 2*inst->cfg.window_border;
2363 geom.base_height = 2*inst->cfg.window_border;
2364 geom.width_inc = inst->font_width;
2365 geom.height_inc = inst->font_height;
2366 geom.min_aspect = geom.max_aspect = 0;
2367 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
2368 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
2369 GDK_HINT_RESIZE_INC);
2372 void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
2374 struct gui_data *inst = (struct gui_data *)data;
2375 term_clrsb(inst->term);
2378 void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
2380 struct gui_data *inst = (struct gui_data *)data;
2381 term_pwron(inst->term);
2382 ldisc_send(inst->ldisc, NULL, 0, 0);
2385 void copy_all_menuitem(GtkMenuItem *item, gpointer data)
2387 struct gui_data *inst = (struct gui_data *)data;
2388 term_copyall(inst->term);
2391 void special_menuitem(GtkMenuItem *item, gpointer data)
2393 struct gui_data *inst = (struct gui_data *)data;
2394 int code = (int)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2396 inst->back->special(inst->backhandle, code);
2399 void about_menuitem(GtkMenuItem *item, gpointer data)
2401 struct gui_data *inst = (struct gui_data *)data;
2402 about_box(inst->window);
2405 void event_log_menuitem(GtkMenuItem *item, gpointer data)
2407 struct gui_data *inst = (struct gui_data *)data;
2408 showeventlog(inst->eventlogstuff, inst->window);
2411 void change_settings_menuitem(GtkMenuItem *item, gpointer data)
2413 /* This maps colour indices in inst->cfg to those used in inst->cols. */
2414 static const int ww[] = {
2415 6, 7, 8, 9, 10, 11, 12, 13,
2416 14, 15, 16, 17, 18, 19, 20, 21,
2419 struct gui_data *inst = (struct gui_data *)data;
2420 char *title = dupcat(appname, " Reconfiguration", NULL);
2421 Config cfg2, oldcfg;
2424 cfg2 = inst->cfg; /* structure copy */
2426 if (do_config_box(title, &cfg2, 1)) {
2428 oldcfg = inst->cfg; /* structure copy */
2429 inst->cfg = cfg2; /* structure copy */
2431 /* Pass new config data to the logging module */
2432 log_reconfig(inst->logctx, &cfg2);
2434 * Flush the line discipline's edit buffer in the case
2435 * where local editing has just been disabled.
2437 ldisc_send(inst->ldisc, NULL, 0, 0);
2438 /* Pass new config data to the terminal */
2439 term_reconfig(inst->term, &cfg2);
2440 /* Pass new config data to the back end */
2441 inst->back->reconfig(inst->backhandle, &cfg2);
2444 * Just setting inst->cfg is sufficient to cause colour
2445 * setting changes to appear on the next ESC]R palette
2446 * reset. But we should also check whether any colour
2447 * settings have been changed, and revert the ones that
2448 * have to the new default, on the assumption that the user
2449 * is most likely to want an immediate update.
2451 for (i = 0; i < NCOLOURS; i++) {
2452 if (oldcfg.colours[ww[i]][0] != cfg2.colours[ww[i]][0] ||
2453 oldcfg.colours[ww[i]][1] != cfg2.colours[ww[i]][1] ||
2454 oldcfg.colours[ww[i]][2] != cfg2.colours[ww[i]][2])
2455 real_palette_set(inst, i, cfg2.colours[ww[i]][0],
2456 cfg2.colours[ww[i]][1],
2457 cfg2.colours[ww[i]][2]);
2461 * If the scrollbar needs to be shown, hidden, or moved
2462 * from one end to the other of the window, do so now.
2464 if (oldcfg.scrollbar != cfg2.scrollbar) {
2466 gtk_widget_show(inst->sbar);
2468 gtk_widget_hide(inst->sbar);
2470 if (oldcfg.scrollbar_on_left != cfg2.scrollbar_on_left) {
2471 gtk_box_reorder_child(inst->hbox, inst->sbar,
2472 cfg2.scrollbar_on_left ? 0 : 1);
2476 * Change the window title, if required.
2478 if (strcmp(oldcfg.wintitle, cfg2.wintitle))
2479 set_title(inst, cfg2.wintitle);
2482 * Redo the whole tangled fonts and Unicode mess if
2485 if (strcmp(oldcfg.font.name, cfg2.font.name) ||
2486 strcmp(oldcfg.boldfont.name, cfg2.boldfont.name) ||
2487 strcmp(oldcfg.widefont.name, cfg2.widefont.name) ||
2488 strcmp(oldcfg.wideboldfont.name, cfg2.wideboldfont.name) ||
2489 strcmp(oldcfg.line_codepage, cfg2.line_codepage)) {
2490 setup_fonts_ucs(inst);
2496 * Resize the window.
2498 if (oldcfg.width != cfg2.width || oldcfg.height != cfg2.height ||
2499 oldcfg.window_border != cfg2.window_border || need_size) {
2500 set_geom_hints(inst);
2501 request_resize(inst, cfg2.width, cfg2.height);
2504 term_invalidate(inst->term);
2509 void update_specials_menu(void *frontend)
2511 struct gui_data *inst = (struct gui_data *)frontend;
2513 const struct telnet_special *specials;
2515 specials = inst->back->get_specials(inst->backhandle);
2516 gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
2517 (GtkCallback)gtk_widget_destroy, NULL);
2520 GtkWidget *menuitem;
2521 for (i = 0; specials[i].name; i++) {
2522 if (*specials[i].name) {
2523 menuitem = gtk_menu_item_new_with_label(specials[i].name);
2524 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2525 (gpointer)specials[i].code);
2526 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2527 GTK_SIGNAL_FUNC(special_menuitem), inst);
2529 menuitem = gtk_menu_item_new();
2530 gtk_container_add(GTK_CONTAINER(inst->specialsmenu), menuitem);
2531 gtk_widget_show(menuitem);
2533 gtk_widget_show(inst->specialsitem1);
2534 gtk_widget_show(inst->specialsitem2);
2536 gtk_widget_hide(inst->specialsitem1);
2537 gtk_widget_hide(inst->specialsitem2);
2541 int pt_main(int argc, char **argv)
2543 extern Backend *select_backend(Config *cfg);
2544 extern int cfgbox(Config *cfg);
2545 struct gui_data *inst;
2547 /* defer any child exit handling until we're ready to deal with
2549 block_signal(SIGCHLD, 1);
2551 gtk_init(&argc, &argv);
2554 * Create an instance structure and initialise to zeroes
2556 inst = snew(struct gui_data);
2557 memset(inst, 0, sizeof(*inst));
2558 inst->alt_keycode = -1; /* this one needs _not_ to be zero */
2560 if (do_cmdline(argc, argv, 0, inst, &inst->cfg))
2561 exit(1); /* pre-defaults pass to get -class */
2562 do_defaults(NULL, &inst->cfg);
2563 if (do_cmdline(argc, argv, 1, inst, &inst->cfg))
2564 exit(1); /* post-defaults, do everything */
2566 cmdline_run_saved(&inst->cfg);
2568 if (!*inst->cfg.host && !cfgbox(&inst->cfg))
2569 exit(0); /* config box hit Cancel */
2571 if (!compound_text_atom)
2572 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2573 if (!utf8_string_atom)
2574 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2576 setup_fonts_ucs(inst);
2578 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2581 * Set up the colour map.
2583 palette_reset(inst);
2585 inst->width = inst->cfg.width;
2586 inst->height = inst->cfg.height;
2588 inst->area = gtk_drawing_area_new();
2589 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
2590 inst->font_width * inst->cfg.width + 2*inst->cfg.window_border,
2591 inst->font_height * inst->cfg.height + 2*inst->cfg.window_border);
2592 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
2593 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
2594 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2596 * We always create the scrollbar; it remains invisible if
2597 * unwanted, so we can pop it up quickly if it suddenly becomes
2600 if (inst->cfg.scrollbar_on_left)
2601 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2602 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
2603 if (!inst->cfg.scrollbar_on_left)
2604 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2606 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
2608 set_geom_hints(inst);
2610 gtk_widget_show(inst->area);
2611 if (inst->cfg.scrollbar)
2612 gtk_widget_show(inst->sbar);
2614 gtk_widget_hide(inst->sbar);
2615 gtk_widget_show(GTK_WIDGET(inst->hbox));
2618 int x = inst->xpos, y = inst->ypos;
2620 gtk_widget_size_request(GTK_WIDGET(inst->window), &req);
2621 if (inst->gravity & 1) x += gdk_screen_width() - req.width;
2622 if (inst->gravity & 2) y += gdk_screen_height() - req.height;
2623 gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE);
2624 gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y);
2627 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
2628 GTK_SIGNAL_FUNC(destroy), inst);
2629 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
2630 GTK_SIGNAL_FUNC(delete_window), inst);
2631 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
2632 GTK_SIGNAL_FUNC(key_event), inst);
2633 gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
2634 GTK_SIGNAL_FUNC(key_event), inst);
2635 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
2636 GTK_SIGNAL_FUNC(focus_event), inst);
2637 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
2638 GTK_SIGNAL_FUNC(focus_event), inst);
2639 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
2640 GTK_SIGNAL_FUNC(configure_area), inst);
2641 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
2642 GTK_SIGNAL_FUNC(expose_area), inst);
2643 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
2644 GTK_SIGNAL_FUNC(button_event), inst);
2645 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
2646 GTK_SIGNAL_FUNC(button_event), inst);
2647 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
2648 GTK_SIGNAL_FUNC(motion_event), inst);
2649 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
2650 GTK_SIGNAL_FUNC(selection_received), inst);
2651 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
2652 GTK_SIGNAL_FUNC(selection_get), inst);
2653 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
2654 GTK_SIGNAL_FUNC(selection_clear), inst);
2655 if (inst->cfg.scrollbar)
2656 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
2657 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
2658 gtk_timeout_add(20, timer_func, inst);
2659 gtk_widget_add_events(GTK_WIDGET(inst->area),
2660 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
2661 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
2662 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
2664 gtk_widget_show(inst->window);
2666 set_window_background(inst);
2669 * Set up the Ctrl+rightclick context menu.
2672 GtkWidget *menuitem;
2674 extern const int use_event_log;
2676 inst->menu = gtk_menu_new();
2678 #define MKMENUITEM(title, func) do { \
2679 menuitem = title ? gtk_menu_item_new_with_label(title) : \
2680 gtk_menu_item_new(); \
2681 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
2682 gtk_widget_show(menuitem); \
2684 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
2685 GTK_SIGNAL_FUNC(func), inst); \
2687 MKMENUITEM("Change Settings", change_settings_menuitem);
2688 MKMENUITEM(NULL, NULL);
2690 MKMENUITEM("Event Log", event_log_menuitem);
2691 MKMENUITEM("Special Commands", NULL);
2692 inst->specialsmenu = gtk_menu_new();
2693 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
2694 inst->specialsitem1 = menuitem;
2695 MKMENUITEM(NULL, NULL);
2696 inst->specialsitem2 = menuitem;
2697 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
2698 MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
2699 MKMENUITEM("Copy All", copy_all_menuitem);
2700 MKMENUITEM(NULL, NULL);
2701 s = dupcat("About ", appname, NULL);
2702 MKMENUITEM(s, about_menuitem);
2707 inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
2708 inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
2709 inst->blankcursor = make_mouse_ptr(inst, -1);
2710 make_mouse_ptr(inst, -2); /* clean up cursor font */
2711 inst->currcursor = inst->textcursor;
2712 show_mouseptr(inst, 1);
2714 inst->eventlogstuff = eventlogstuff_new();
2716 inst->term = term_init(&inst->cfg, &inst->ucsdata, inst);
2717 inst->logctx = log_init(inst, &inst->cfg);
2718 term_provide_logctx(inst->term, inst->logctx);
2722 term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines);
2724 inst->back = select_backend(&inst->cfg);
2726 char *realhost, *error;
2728 error = inst->back->init((void *)inst, &inst->backhandle,
2729 &inst->cfg, inst->cfg.host, inst->cfg.port,
2730 &realhost, inst->cfg.tcp_nodelay);
2733 char *msg = dupprintf("Unable to open connection to %s:\n%s",
2734 inst->cfg.host, error);
2735 inst->exited = TRUE;
2736 fatal_message_box(inst->window, msg);
2741 if (inst->cfg.wintitle[0])
2742 set_title(inst, inst->cfg.wintitle);
2744 char *title = make_default_wintitle(realhost);
2745 set_title(inst, title);
2749 inst->back->provide_logctx(inst->backhandle, inst->logctx);
2750 update_specials_menu(inst);
2752 term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
2755 ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle, inst);
2756 ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
2758 /* now we're reday to deal with the child exit handler being
2760 block_signal(SIGCHLD, 0);
2762 inst->exited = FALSE;