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;
41 GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2;
43 GdkFont *fonts[4]; /* normal, bold, wide, widebold */
48 GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
49 GdkColor cols[NCOLOURS];
51 wchar_t *pastein_data;
54 char *pasteout_data, *pasteout_data_utf8;
55 int pasteout_data_len, pasteout_data_utf8_len;
56 int font_width, font_height;
59 guint term_paste_idle_id;
60 GdkAtom compound_text_atom, utf8_string_atom;
63 char wintitle[sizeof(((Config *)0)->wintitle)];
64 char icontitle[sizeof(((Config *)0)->wintitle)];
65 int master_fd, master_func_id;
72 struct unicode_data ucsdata;
78 struct gui_data *inst;
81 static int send_raw_mouse;
83 static char *app_name = "pterm";
85 char *x_get_default(const char *key)
87 return XGetDefault(GDK_DISPLAY(), app_name, key);
90 void connection_fatal(void *frontend, char *p, ...)
92 Terminal *term = (Terminal *)frontend;
93 struct gui_data *inst = (struct gui_data *)term->frontend;
98 msg = dupvprintf(p, ap);
101 fatal_message_box(inst->window, msg);
103 if (inst->cfg.close_on_exit == FORCE_ON)
108 * Default settings that are specific to pterm.
110 FontSpec platform_default_fontspec(const char *name)
113 if (!strcmp(name, "Font"))
114 strcpy(ret.name, "fixed");
120 Filename platform_default_filename(const char *name)
123 if (!strcmp(name, "LogFileName"))
124 strcpy(ret.path, "putty.log");
130 char *platform_default_s(const char *name)
135 int platform_default_i(const char *name, int def)
137 if (!strcmp(name, "CloseOnExit"))
138 return 2; /* maps to FORCE_ON after painful rearrangement :-( */
142 void ldisc_update(void *frontend, int echo, int edit)
145 * This is a stub in pterm. If I ever produce a Unix
146 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
147 * then it will require some termios manoeuvring analogous to
148 * that in the Windows plink.c, but here it's meaningless.
152 int askappend(void *frontend, Filename filename)
155 * Logging in an xterm-alike is liable to be something you only
156 * do at serious diagnostic need. Hence, I'm going to take the
157 * easy option for now and assume we always want to overwrite
158 * log files. I can always make it properly configurable later.
163 void logevent(void *frontend, char *string)
166 * This is not a very helpful function: events are logged
167 * pretty much exclusively by the back end, and our pty back
168 * end is self-contained. So we need do nothing.
172 int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
174 struct gui_data *inst = (struct gui_data *)frontend;
177 return inst->font_height;
179 return inst->font_width;
183 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
184 * into a cooked one (SELECT, EXTEND, PASTE).
186 * In Unix, this is not configurable; the X button arrangement is
187 * rock-solid across all applications, everyone has a three-button
188 * mouse or a means of faking it, and there is no need to switch
189 * buttons around at all.
191 static Mouse_Button translate_button(Mouse_Button button)
193 /* struct gui_data *inst = (struct gui_data *)frontend; */
195 if (button == MBT_LEFT)
197 if (button == MBT_MIDDLE)
199 if (button == MBT_RIGHT)
201 return 0; /* shouldn't happen */
205 * Return the top-level GtkWindow associated with a particular
206 * front end instance.
208 void *get_window(void *frontend)
210 Terminal *term = (Terminal *)frontend;
211 struct gui_data *inst = (struct gui_data *)term->frontend;
216 * Minimise or restore the window in response to a server-side
219 void set_iconic(void *frontend, int iconic)
222 * GTK 1.2 doesn't know how to do this.
224 #if GTK_CHECK_VERSION(2,0,0)
225 struct gui_data *inst = (struct gui_data *)frontend;
227 gtk_window_iconify(GTK_WINDOW(inst->window));
229 gtk_window_deiconify(GTK_WINDOW(inst->window));
234 * Move the window in response to a server-side request.
236 void move_window(void *frontend, int x, int y)
238 struct gui_data *inst = (struct gui_data *)frontend;
240 * I assume that when the GTK version of this call is available
241 * we should use it. Not sure how it differs from the GDK one,
244 #if GTK_CHECK_VERSION(2,0,0)
245 gtk_window_move(GTK_WINDOW(inst->window), x, y);
247 gdk_window_move(inst->window->window, x, y);
252 * Move the window to the top or bottom of the z-order in response
253 * to a server-side request.
255 void set_zorder(void *frontend, int top)
257 struct gui_data *inst = (struct gui_data *)frontend;
259 gdk_window_raise(inst->window->window);
261 gdk_window_lower(inst->window->window);
265 * Refresh the window in response to a server-side request.
267 void refresh_window(void *frontend)
269 struct gui_data *inst = (struct gui_data *)frontend;
270 term_invalidate(inst->term);
274 * Maximise or restore the window in response to a server-side
277 void set_zoomed(void *frontend, int zoomed)
280 * GTK 1.2 doesn't know how to do this.
282 #if GTK_CHECK_VERSION(2,0,0)
283 struct gui_data *inst = (struct gui_data *)frontend;
285 gtk_window_maximize(GTK_WINDOW(inst->window));
287 gtk_window_unmaximize(GTK_WINDOW(inst->window));
292 * Report whether the window is iconic, for terminal reports.
294 int is_iconic(void *frontend)
296 struct gui_data *inst = (struct gui_data *)frontend;
297 return !gdk_window_is_viewable(inst->window->window);
301 * Report the window's position, for terminal reports.
303 void get_window_pos(void *frontend, int *x, int *y)
305 struct gui_data *inst = (struct gui_data *)frontend;
307 * I assume that when the GTK version of this call is available
308 * we should use it. Not sure how it differs from the GDK one,
311 #if GTK_CHECK_VERSION(2,0,0)
312 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
314 gdk_window_get_position(inst->window->window, x, y);
319 * Report the window's pixel size, for terminal reports.
321 void get_window_pixels(void *frontend, int *x, int *y)
323 struct gui_data *inst = (struct gui_data *)frontend;
325 * I assume that when the GTK version of this call is available
326 * we should use it. Not sure how it differs from the GDK one,
329 #if GTK_CHECK_VERSION(2,0,0)
330 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
332 gdk_window_get_size(inst->window->window, x, y);
337 * Return the window or icon title.
339 char *get_window_title(void *frontend, int icon)
341 struct gui_data *inst = (struct gui_data *)frontend;
342 return icon ? inst->wintitle : inst->icontitle;
345 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
348 * We could implement warn-on-close here if we really wanted
354 static void show_mouseptr(struct gui_data *inst, int show)
356 if (!inst->cfg.hide_mouseptr)
359 gdk_window_set_cursor(inst->area->window, inst->currcursor);
361 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
362 inst->mouseptr_visible = show;
365 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
367 struct gui_data *inst = (struct gui_data *)data;
368 int w, h, need_size = 0;
370 w = (event->width - 2*inst->cfg.window_border) / inst->font_width;
371 h = (event->height - 2*inst->cfg.window_border) / inst->font_height;
373 if (w != inst->cfg.width || h != inst->cfg.height) {
375 gdk_pixmap_unref(inst->pixmap);
379 inst->cfg.height = h;
385 inst->pixmap = gdk_pixmap_new(widget->window,
386 (inst->cfg.width * inst->font_width +
387 2*inst->cfg.window_border),
388 (inst->cfg.height * inst->font_height +
389 2*inst->cfg.window_border), -1);
391 gc = gdk_gc_new(inst->area->window);
392 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
393 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
394 inst->cfg.width * inst->font_width + 2*inst->cfg.window_border,
395 inst->cfg.height * inst->font_height + 2*inst->cfg.window_border);
400 term_size(inst->term, h, w, inst->cfg.savelines);
406 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
408 struct gui_data *inst = (struct gui_data *)data;
411 * Pass the exposed rectangle to terminal.c, which will call us
412 * back to do the actual painting.
415 gdk_draw_pixmap(widget->window,
416 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
418 event->area.x, event->area.y,
419 event->area.x, event->area.y,
420 event->area.width, event->area.height);
425 #define KEY_PRESSED(k) \
426 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
428 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
430 struct gui_data *inst = (struct gui_data *)data;
434 /* By default, nothing is generated. */
438 * If Alt is being released after typing an Alt+numberpad
439 * sequence, we should generate the code that was typed.
441 * Note that we only do this if more than one key was actually
442 * pressed - I don't think Alt+NumPad4 should be ^D or that
443 * Alt+NumPad3 should be ^C, for example. There's no serious
444 * inconvenience in having to type a zero before a single-digit
447 if (event->type == GDK_KEY_RELEASE &&
448 (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
449 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
450 inst->alt_keycode >= 0 && inst->alt_digits > 1) {
452 printf("Alt key up, keycode = %d\n", inst->alt_keycode);
454 output[0] = inst->alt_keycode;
459 if (event->type == GDK_KEY_PRESS) {
463 printf("keypress: keyval = %04x, state = %08x; string =",
464 event->keyval, event->state);
465 for (i = 0; event->string[i]; i++)
466 printf(" %02x", (unsigned char) event->string[i]);
472 * NYI: Compose key (!!! requires Unicode faff before even trying)
476 * If Alt has just been pressed, we start potentially
477 * accumulating an Alt+numberpad code. We do this by
478 * setting alt_keycode to -1 (nothing yet but plausible).
480 if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
481 event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
482 inst->alt_keycode = -1;
483 inst->alt_digits = 0;
484 goto done; /* this generates nothing else */
488 * If we're seeing a numberpad key press with Mod1 down,
489 * consider adding it to alt_keycode if that's sensible.
490 * Anything _else_ with Mod1 down cancels any possibility
491 * of an ALT keycode: we set alt_keycode to -2.
493 if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
495 switch (event->keyval) {
496 case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
497 case GDK_KP_1: case GDK_KP_End: digit = 1; break;
498 case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
499 case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
500 case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
501 case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
502 case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
503 case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
504 case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
505 case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
508 inst->alt_keycode = -2; /* it's invalid */
511 printf("Adding digit %d to keycode %d", digit,
514 if (inst->alt_keycode == -1)
515 inst->alt_keycode = digit; /* one-digit code */
517 inst->alt_keycode = inst->alt_keycode * 10 + digit;
520 printf(" gives new code %d\n", inst->alt_keycode);
522 /* Having used this digit, we now do nothing more with it. */
528 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
531 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
532 term_scroll(inst->term, 0, -inst->cfg.height/2);
535 if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
536 term_scroll(inst->term, 0, -1);
539 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
540 term_scroll(inst->term, 0, +inst->cfg.height/2);
543 if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
544 term_scroll(inst->term, 0, +1);
549 * Neither does Shift-Ins.
551 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
556 /* ALT+things gives leading Escape. */
558 strncpy(output+1, event->string, 31);
560 end = strlen(output);
561 if (event->state & GDK_MOD1_MASK) {
563 if (end == 1) end = 0;
567 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
568 if (!event->string[0] && event->keyval == '`' &&
569 (event->state & GDK_CONTROL_MASK)) {
574 /* Control-Break is the same as Control-C */
575 if (event->keyval == GDK_Break &&
576 (event->state & GDK_CONTROL_MASK)) {
581 /* Control-2, Control-Space and Control-@ are NUL */
582 if (!event->string[0] &&
583 (event->keyval == ' ' || event->keyval == '2' ||
584 event->keyval == '@') &&
585 (event->state & (GDK_SHIFT_MASK |
586 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
591 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
592 if (!event->string[0] && event->keyval == ' ' &&
593 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
594 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
599 /* We don't let GTK tell us what Backspace is! We know better. */
600 if (event->keyval == GDK_BackSpace &&
601 !(event->state & GDK_SHIFT_MASK)) {
602 output[1] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08';
605 /* For Shift Backspace, do opposite of what is configured. */
606 if (event->keyval == GDK_BackSpace &&
607 (event->state & GDK_SHIFT_MASK)) {
608 output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F';
612 /* Shift-Tab is ESC [ Z */
613 if (event->keyval == GDK_ISO_Left_Tab ||
614 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
615 end = 1 + sprintf(output+1, "\033[Z");
619 * NetHack keypad mode.
621 if (inst->cfg.nethack_keypad) {
623 switch (event->keyval) {
624 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
625 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
626 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
627 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
628 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
629 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
630 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
631 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
632 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
636 if (event->state & GDK_SHIFT_MASK)
645 * Application keypad mode.
647 if (inst->term->app_keypad_keys && !inst->cfg.no_applic_k) {
649 switch (event->keyval) {
650 case GDK_Num_Lock: xkey = 'P'; break;
651 case GDK_KP_Divide: xkey = 'Q'; break;
652 case GDK_KP_Multiply: xkey = 'R'; break;
653 case GDK_KP_Subtract: xkey = 'S'; break;
655 * Keypad + is tricky. It covers a space that would
656 * be taken up on the VT100 by _two_ keys; so we
657 * let Shift select between the two. Worse still,
658 * in xterm function key mode we change which two...
661 if (inst->cfg.funky_type == 2) {
662 if (event->state & GDK_SHIFT_MASK)
666 } else if (event->state & GDK_SHIFT_MASK)
671 case GDK_KP_Enter: xkey = 'M'; break;
672 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
673 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
674 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
675 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
676 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
677 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
678 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
679 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
680 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
681 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
682 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
685 if (inst->term->vt52_mode) {
686 if (xkey >= 'P' && xkey <= 'S')
687 end = 1 + sprintf(output+1, "\033%c", xkey);
689 end = 1 + sprintf(output+1, "\033?%c", xkey);
691 end = 1 + sprintf(output+1, "\033O%c", xkey);
697 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
698 * for integer decimal nn.)
700 * We also deal with the weird ones here. Linux VCs replace F1
701 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
702 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
707 switch (event->keyval) {
709 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
712 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
715 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
718 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
721 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
724 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
727 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
730 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
733 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
736 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
769 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
770 case GDK_Home: case GDK_KP_Home:
773 case GDK_Insert: case GDK_KP_Insert:
776 case GDK_Delete: case GDK_KP_Delete:
779 case GDK_End: case GDK_KP_End:
782 case GDK_Page_Up: case GDK_KP_Page_Up:
785 case GDK_Page_Down: case GDK_KP_Page_Down:
789 /* Reorder edit keys to physical order */
790 if (inst->cfg.funky_type == 3 && code <= 6)
791 code = "\0\2\1\4\5\3\6"[code];
793 if (inst->term->vt52_mode && code > 0 && code <= 6) {
794 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
798 if (inst->cfg.funky_type == 5 && /* SCO function keys */
799 code >= 11 && code <= 34) {
800 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
802 switch (event->keyval) {
803 case GDK_F1: index = 0; break;
804 case GDK_F2: index = 1; break;
805 case GDK_F3: index = 2; break;
806 case GDK_F4: index = 3; break;
807 case GDK_F5: index = 4; break;
808 case GDK_F6: index = 5; break;
809 case GDK_F7: index = 6; break;
810 case GDK_F8: index = 7; break;
811 case GDK_F9: index = 8; break;
812 case GDK_F10: index = 9; break;
813 case GDK_F11: index = 10; break;
814 case GDK_F12: index = 11; break;
816 if (event->state & GDK_SHIFT_MASK) index += 12;
817 if (event->state & GDK_CONTROL_MASK) index += 24;
818 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
821 if (inst->cfg.funky_type == 5 && /* SCO small keypad */
822 code >= 1 && code <= 6) {
823 char codes[] = "HL.FIG";
828 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
832 if ((inst->term->vt52_mode || inst->cfg.funky_type == 4) &&
833 code >= 11 && code <= 24) {
839 if (inst->term->vt52_mode)
840 end = 1 + sprintf(output+1,
841 "\x1B%c", code + 'P' - 11 - offt);
843 end = 1 + sprintf(output+1,
844 "\x1BO%c", code + 'P' - 11 - offt);
847 if (inst->cfg.funky_type == 1 && code >= 11 && code <= 15) {
848 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
851 if (inst->cfg.funky_type == 2 && code >= 11 && code <= 14) {
852 if (inst->term->vt52_mode)
853 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
855 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
858 if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) {
859 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
863 end = 1 + sprintf(output+1, "\x1B[%d~", code);
869 * Cursor keys. (This includes the numberpad cursor keys,
870 * if we haven't already done them due to app keypad mode.)
872 * Here we also process un-numlocked un-appkeypadded KP5,
873 * which sends ESC [ G.
877 switch (event->keyval) {
878 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
879 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
880 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
881 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
882 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
886 * The arrow keys normally do ESC [ A and so on. In
887 * app cursor keys mode they do ESC O A instead.
888 * Ctrl toggles the two modes.
890 if (inst->term->vt52_mode) {
891 end = 1 + sprintf(output+1, "\033%c", xkey);
892 } else if (!inst->term->app_cursor_keys ^
893 !(event->state & GDK_CONTROL_MASK)) {
894 end = 1 + sprintf(output+1, "\033O%c", xkey);
896 end = 1 + sprintf(output+1, "\033[%c", xkey);
909 printf("generating sequence:");
910 for (i = start; i < end; i++)
911 printf(" %02x", (unsigned char) output[i]);
915 if (!inst->direct_to_font) {
917 * The stuff we've just generated is assumed to be
918 * ISO-8859-1! This sounds insane, but `man
919 * XLookupString' agrees: strings of this type returned
920 * from the X server are hardcoded to 8859-1. Strictly
921 * speaking we should be doing this using some sort of
922 * GtkIMContext, which (if we're lucky) would give us
923 * our data directly in Unicode; but that's not
924 * supported in GTK 1.2 as far as I can tell, and it's
925 * poorly documented even in 2.0, so it'll have to
928 lpage_send(inst->ldisc, CS_ISO8859_1, output+start, end-start, 1);
931 * In direct-to-font mode, we just send the string
932 * exactly as we received it.
934 ldisc_send(inst->ldisc, output+start, end-start, 1);
937 show_mouseptr(inst, 0);
938 term_seen_key_event(inst->term);
939 term_out(inst->term);
945 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
947 struct gui_data *inst = (struct gui_data *)data;
948 int shift, ctrl, alt, x, y, button, act;
950 show_mouseptr(inst, 1);
952 if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
953 term_scroll(inst->term, 0, -5);
956 if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
957 term_scroll(inst->term, 0, +5);
961 shift = event->state & GDK_SHIFT_MASK;
962 ctrl = event->state & GDK_CONTROL_MASK;
963 alt = event->state & GDK_MOD1_MASK;
965 if (event->button == 3 && ctrl) {
966 gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
967 event->button, event->time);
971 if (event->button == 1)
973 else if (event->button == 2)
975 else if (event->button == 3)
978 return FALSE; /* don't even know what button! */
980 switch (event->type) {
981 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
982 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
983 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
984 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
985 default: return FALSE; /* don't know this event type */
988 if (send_raw_mouse && !(inst->cfg.mouse_override && shift) &&
989 act != MA_CLICK && act != MA_RELEASE)
990 return TRUE; /* we ignore these in raw mouse mode */
992 x = (event->x - inst->cfg.window_border) / inst->font_width;
993 y = (event->y - inst->cfg.window_border) / inst->font_height;
995 term_mouse(inst->term, button, translate_button(button), act,
996 x, y, shift, ctrl, alt);
1001 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1003 struct gui_data *inst = (struct gui_data *)data;
1004 int shift, ctrl, alt, x, y, button;
1006 show_mouseptr(inst, 1);
1008 shift = event->state & GDK_SHIFT_MASK;
1009 ctrl = event->state & GDK_CONTROL_MASK;
1010 alt = event->state & GDK_MOD1_MASK;
1011 if (event->state & GDK_BUTTON1_MASK)
1013 else if (event->state & GDK_BUTTON2_MASK)
1014 button = MBT_MIDDLE;
1015 else if (event->state & GDK_BUTTON3_MASK)
1018 return FALSE; /* don't even know what button! */
1020 x = (event->x - inst->cfg.window_border) / inst->font_width;
1021 y = (event->y - inst->cfg.window_border) / inst->font_height;
1023 term_mouse(inst->term, button, translate_button(button), MA_DRAG,
1024 x, y, shift, ctrl, alt);
1029 void frontend_keypress(void *handle)
1031 struct gui_data *inst = (struct gui_data *)handle;
1034 * If our child process has exited but not closed, terminate on
1041 gint timer_func(gpointer data)
1043 struct gui_data *inst = (struct gui_data *)data;
1046 if (!inst->exited &&
1047 (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
1048 inst->exited = TRUE;
1049 if (inst->cfg.close_on_exit == FORCE_ON ||
1050 (inst->cfg.close_on_exit == AUTO && exitcode == 0))
1051 exit(0); /* just go. */
1054 term_update(inst->term);
1055 term_blink(inst->term, 0);
1059 void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
1062 * We must process exceptional notifications before ordinary
1063 * readability ones, or we may go straight past the urgent
1066 if (condition & GDK_INPUT_EXCEPTION)
1067 select_result(sourcefd, 4);
1068 if (condition & GDK_INPUT_READ)
1069 select_result(sourcefd, 1);
1070 if (condition & GDK_INPUT_WRITE)
1071 select_result(sourcefd, 2);
1074 void destroy(GtkWidget *widget, gpointer data)
1079 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1081 struct gui_data *inst = (struct gui_data *)data;
1082 inst->term->has_focus = event->in;
1083 term_out(inst->term);
1084 term_update(inst->term);
1085 show_mouseptr(inst, 1);
1090 * set or clear the "raw mouse message" mode
1092 void set_raw_mouse_mode(void *frontend, int activate)
1094 struct gui_data *inst = (struct gui_data *)frontend;
1095 activate = activate && !inst->cfg.no_mouse_rep;
1096 send_raw_mouse = activate;
1098 inst->currcursor = inst->rawcursor;
1100 inst->currcursor = inst->textcursor;
1101 show_mouseptr(inst, inst->mouseptr_visible);
1104 void request_resize(void *frontend, int w, int h)
1106 struct gui_data *inst = (struct gui_data *)frontend;
1107 int large_x, large_y;
1108 int offset_x, offset_y;
1110 GtkRequisition inner, outer;
1113 * This is a heinous hack dreamed up by the gnome-terminal
1114 * people to get around a limitation in gtk. The problem is
1115 * that in order to set the size correctly we really need to be
1116 * calling gtk_window_resize - but that needs to know the size
1117 * of the _whole window_, not the drawing area. So what we do
1118 * is to set an artificially huge size request on the drawing
1119 * area, recompute the resulting size request on the window,
1120 * and look at the difference between the two. That gives us
1121 * the x and y offsets we need to translate drawing area size
1122 * into window size for real, and then we call
1123 * gtk_window_resize.
1127 * We start by retrieving the current size of the whole window.
1128 * Adding a bit to _that_ will give us a value we can use as a
1129 * bogus size request which guarantees to be bigger than the
1130 * current size of the drawing area.
1132 get_window_pixels(inst, &large_x, &large_y);
1136 #if GTK_CHECK_VERSION(2,0,0)
1137 gtk_widget_set_size_request(inst->area, large_x, large_y);
1139 gtk_widget_set_usize(inst->area, large_x, large_y);
1141 gtk_widget_size_request(inst->area, &inner);
1142 gtk_widget_size_request(inst->window, &outer);
1144 offset_x = outer.width - inner.width;
1145 offset_y = outer.height - inner.height;
1147 area_x = inst->font_width * w + 2*inst->cfg.window_border;
1148 area_y = inst->font_height * h + 2*inst->cfg.window_border;
1151 * Now we must set the size request on the drawing area back to
1152 * something sensible before we commit the real resize. Best
1153 * way to do this, I think, is to set it to what the size is
1154 * really going to end up being.
1156 #if GTK_CHECK_VERSION(2,0,0)
1157 gtk_widget_set_size_request(inst->area, area_x, area_y);
1159 gtk_widget_set_usize(inst->area, area_x, area_y);
1162 #if GTK_CHECK_VERSION(2,0,0)
1163 gtk_window_resize(GTK_WINDOW(inst->window),
1164 area_x + offset_x, area_y + offset_y);
1166 gdk_window_resize(inst->window->window,
1167 area_x + offset_x, area_y + offset_y);
1171 static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
1173 gboolean success[1];
1175 inst->cols[n].red = r * 0x0101;
1176 inst->cols[n].green = g * 0x0101;
1177 inst->cols[n].blue = b * 0x0101;
1179 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
1180 FALSE, FALSE, success);
1182 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1186 void set_window_background(struct gui_data *inst)
1188 if (inst->area && inst->area->window)
1189 gdk_window_set_background(inst->area->window, &inst->cols[18]);
1190 if (inst->window && inst->window->window)
1191 gdk_window_set_background(inst->window->window, &inst->cols[18]);
1194 void palette_set(void *frontend, int n, int r, int g, int b)
1196 struct gui_data *inst = (struct gui_data *)frontend;
1197 static const int first[21] = {
1198 0, 2, 4, 6, 8, 10, 12, 14,
1199 1, 3, 5, 7, 9, 11, 13, 15,
1202 real_palette_set(inst, first[n], r, g, b);
1204 real_palette_set(inst, first[n] + 1, r, g, b);
1206 set_window_background(inst);
1209 void palette_reset(void *frontend)
1211 struct gui_data *inst = (struct gui_data *)frontend;
1212 /* This maps colour indices in inst->cfg to those used in inst->cols. */
1213 static const int ww[] = {
1214 6, 7, 8, 9, 10, 11, 12, 13,
1215 14, 15, 16, 17, 18, 19, 20, 21,
1218 gboolean success[NCOLOURS];
1221 assert(lenof(ww) == NCOLOURS);
1223 if (!inst->colmap) {
1224 inst->colmap = gdk_colormap_get_system();
1226 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
1229 for (i = 0; i < NCOLOURS; i++) {
1230 inst->cols[i].red = inst->cfg.colours[ww[i]][0] * 0x0101;
1231 inst->cols[i].green = inst->cfg.colours[ww[i]][1] * 0x0101;
1232 inst->cols[i].blue = inst->cfg.colours[ww[i]][2] * 0x0101;
1235 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
1236 FALSE, FALSE, success);
1237 for (i = 0; i < NCOLOURS; i++) {
1239 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1240 i, inst->cfg.colours[i][0], inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
1243 set_window_background(inst);
1246 void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
1248 struct gui_data *inst = (struct gui_data *)frontend;
1249 if (inst->pasteout_data)
1250 sfree(inst->pasteout_data);
1251 if (inst->pasteout_data_utf8)
1252 sfree(inst->pasteout_data_utf8);
1255 * Set up UTF-8 paste data. This only happens if we aren't in
1256 * direct-to-font mode using the D800 hack.
1258 if (!inst->direct_to_font) {
1259 wchar_t *tmp = data;
1262 inst->pasteout_data_utf8 = snewn(len*6, char);
1263 inst->pasteout_data_utf8_len = len*6;
1264 inst->pasteout_data_utf8_len =
1265 charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
1266 inst->pasteout_data_utf8_len,
1267 CS_UTF8, NULL, NULL, 0);
1268 if (inst->pasteout_data_utf8_len == 0) {
1269 sfree(inst->pasteout_data_utf8);
1270 inst->pasteout_data_utf8 = NULL;
1272 inst->pasteout_data_utf8 =
1273 sresize(inst->pasteout_data_utf8,
1274 inst->pasteout_data_utf8_len, char);
1277 inst->pasteout_data_utf8 = NULL;
1278 inst->pasteout_data_utf8_len = 0;
1281 inst->pasteout_data = snewn(len*6, char);
1282 inst->pasteout_data_len = len*6;
1283 inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
1284 data, len, inst->pasteout_data,
1285 inst->pasteout_data_len,
1287 if (inst->pasteout_data_len == 0) {
1288 sfree(inst->pasteout_data);
1289 inst->pasteout_data = NULL;
1291 inst->pasteout_data =
1292 sresize(inst->pasteout_data, inst->pasteout_data_len, char);
1295 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
1296 GDK_CURRENT_TIME)) {
1297 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1298 GDK_SELECTION_TYPE_STRING, 1);
1299 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1300 inst->compound_text_atom, 1);
1301 if (inst->pasteout_data_utf8)
1302 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
1303 inst->utf8_string_atom, 1);
1307 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1308 guint info, guint time_stamp, gpointer data)
1310 struct gui_data *inst = (struct gui_data *)data;
1311 if (seldata->target == inst->utf8_string_atom)
1312 gtk_selection_data_set(seldata, seldata->target, 8,
1313 inst->pasteout_data_utf8,
1314 inst->pasteout_data_utf8_len);
1316 gtk_selection_data_set(seldata, seldata->target, 8,
1317 inst->pasteout_data, inst->pasteout_data_len);
1320 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1323 struct gui_data *inst = (struct gui_data *)data;
1324 term_deselect(inst->term);
1325 if (inst->pasteout_data)
1326 sfree(inst->pasteout_data);
1327 if (inst->pasteout_data_utf8)
1328 sfree(inst->pasteout_data_utf8);
1329 inst->pasteout_data = NULL;
1330 inst->pasteout_data_len = 0;
1331 inst->pasteout_data_utf8 = NULL;
1332 inst->pasteout_data_utf8_len = 0;
1336 void request_paste(void *frontend)
1338 struct gui_data *inst = (struct gui_data *)frontend;
1340 * In Unix, pasting is asynchronous: all we can do at the
1341 * moment is to call gtk_selection_convert(), and when the data
1342 * comes back _then_ we can call term_do_paste().
1345 if (!inst->direct_to_font) {
1347 * First we attempt to retrieve the selection as a UTF-8
1348 * string (which we will convert to the correct code page
1349 * before sending to the session, of course). If that
1350 * fails, selection_received() will be informed and will
1351 * fall back to an ordinary string.
1353 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1354 inst->utf8_string_atom, GDK_CURRENT_TIME);
1357 * If we're in direct-to-font mode, we disable UTF-8
1358 * pasting, and go straight to ordinary string data.
1360 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1361 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1365 gint idle_paste_func(gpointer data); /* forward ref */
1367 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
1368 guint time, gpointer data)
1370 struct gui_data *inst = (struct gui_data *)data;
1372 if (seldata->target == inst->utf8_string_atom && seldata->length <= 0) {
1374 * Failed to get a UTF-8 selection string. Try an ordinary
1377 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
1378 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
1383 * Any other failure should just go foom.
1385 if (seldata->length <= 0 ||
1386 (seldata->type != GDK_SELECTION_TYPE_STRING &&
1387 seldata->type != inst->utf8_string_atom))
1388 return; /* Nothing happens. */
1390 if (inst->pastein_data)
1391 sfree(inst->pastein_data);
1393 inst->pastein_data = snewn(seldata->length, wchar_t);
1394 inst->pastein_data_len = seldata->length;
1395 inst->pastein_data_len =
1396 mb_to_wc((seldata->type == inst->utf8_string_atom ?
1397 CS_UTF8 : inst->ucsdata.line_codepage),
1398 0, seldata->data, seldata->length,
1399 inst->pastein_data, inst->pastein_data_len);
1401 term_do_paste(inst->term);
1403 if (term_paste_pending(inst->term))
1404 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
1407 gint idle_paste_func(gpointer data)
1409 struct gui_data *inst = (struct gui_data *)data;
1411 if (term_paste_pending(inst->term))
1412 term_paste(inst->term);
1414 gtk_idle_remove(inst->term_paste_idle_id);
1420 void get_clip(void *frontend, wchar_t ** p, int *len)
1422 struct gui_data *inst = (struct gui_data *)frontend;
1425 *p = inst->pastein_data;
1426 *len = inst->pastein_data_len;
1430 void set_title(void *frontend, char *title)
1432 struct gui_data *inst = (struct gui_data *)frontend;
1433 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1434 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1435 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1438 void set_icon(void *frontend, char *title)
1440 struct gui_data *inst = (struct gui_data *)frontend;
1441 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1442 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1443 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1446 void set_sbar(void *frontend, int total, int start, int page)
1448 struct gui_data *inst = (struct gui_data *)frontend;
1449 if (!inst->cfg.scrollbar)
1451 inst->sbar_adjust->lower = 0;
1452 inst->sbar_adjust->upper = total;
1453 inst->sbar_adjust->value = start;
1454 inst->sbar_adjust->page_size = page;
1455 inst->sbar_adjust->step_increment = 1;
1456 inst->sbar_adjust->page_increment = page/2;
1457 inst->ignore_sbar = TRUE;
1458 gtk_adjustment_changed(inst->sbar_adjust);
1459 inst->ignore_sbar = FALSE;
1462 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1464 struct gui_data *inst = (struct gui_data *)data;
1466 if (!inst->cfg.scrollbar)
1468 if (!inst->ignore_sbar)
1469 term_scroll(inst->term, 1, (int)adj->value);
1472 void sys_cursor(void *frontend, int x, int y)
1475 * This is meaningless under X.
1480 * This is still called when mode==BELL_VISUAL, even though the
1481 * visual bell is handled entirely within terminal.c, because we
1482 * may want to perform additional actions on any kind of bell (for
1483 * example, taskbar flashing in Windows).
1485 void beep(void *frontend, int mode)
1487 if (mode != BELL_VISUAL)
1491 int char_width(Context ctx, int uc)
1494 * Under X, any fixed-width font really _is_ fixed-width.
1495 * Double-width characters will be dealt with using a separate
1496 * font. For the moment we can simply return 1.
1501 Context get_ctx(void *frontend)
1503 struct gui_data *inst = (struct gui_data *)frontend;
1504 struct draw_ctx *dctx;
1506 if (!inst->area->window)
1509 dctx = snew(struct draw_ctx);
1511 dctx->gc = gdk_gc_new(inst->area->window);
1515 void free_ctx(Context ctx)
1517 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1518 /* struct gui_data *inst = dctx->inst; */
1519 GdkGC *gc = dctx->gc;
1525 * Draw a line of text in the window, at given character
1526 * coordinates, in given attributes.
1528 * We are allowed to fiddle with the contents of `text'.
1530 void do_text_internal(Context ctx, int x, int y, char *text, int len,
1531 unsigned long attr, int lattr)
1533 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1534 struct gui_data *inst = dctx->inst;
1535 GdkGC *gc = dctx->gc;
1537 int nfg, nbg, t, fontid, shadow, rlen, widefactor;
1539 nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1540 nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
1541 nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1542 nbg = 2 * (nbg & 0xF) + (nbg & 0x10 ? 1 : 0);
1543 if (attr & ATTR_REVERSE) {
1548 if (inst->cfg.bold_colour && (attr & ATTR_BOLD))
1550 if (inst->cfg.bold_colour && (attr & ATTR_BLINK))
1552 if (attr & TATTR_ACTCURS) {
1557 fontid = shadow = 0;
1559 if (attr & ATTR_WIDE) {
1566 if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) {
1567 if (inst->fonts[fontid | 1])
1573 if (lattr != LATTR_NORM) {
1575 if (x >= inst->term->cols)
1577 if (x + len*2*widefactor > inst->term->cols)
1578 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1586 r.x = x*inst->font_width+inst->cfg.window_border;
1587 r.y = y*inst->font_height+inst->cfg.window_border;
1588 r.width = rlen*widefactor*inst->font_width;
1589 r.height = inst->font_height;
1590 gdk_gc_set_clip_rectangle(gc, &r);
1593 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1594 gdk_draw_rectangle(inst->pixmap, gc, 1,
1595 x*inst->font_width+inst->cfg.window_border,
1596 y*inst->font_height+inst->cfg.window_border,
1597 rlen*widefactor*inst->font_width, inst->font_height);
1599 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1606 wcs = snewn(len+1, wchar_t);
1607 for (i = 0; i < len; i++) {
1608 wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
1611 if (inst->fonts[fontid] == NULL) {
1613 * The font for this contingency does not exist.
1614 * Typically this means we've been given ATTR_WIDE
1615 * character and have no wide font. So we display
1616 * nothing at all; such is life.
1618 } else if (inst->fontinfo[fontid].is_wide) {
1620 * At least one version of gdk_draw_text_wc() has a
1621 * weird bug whereby it reads `len' elements of the
1622 * input string, but only draws `len/2'. Hence I'm
1623 * going to make its input array twice as long as it
1624 * theoretically needs to be, and pass in twice the
1625 * actual number of characters. If a fixed gdk actually
1626 * takes the doubled length seriously, then (a) the
1627 * array will stand scrutiny up to the full length, (b)
1628 * the spare elements of the array are full of zeroes
1629 * which will probably be an empty glyph in the font,
1630 * and (c) the clip rectangle should prevent it causing
1633 gwcs = snewn(len*2+1, GdkWChar);
1634 memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
1636 * FIXME: when we have a wide-char equivalent of
1637 * from_unicode, use it instead of this.
1639 for (i = 0; i <= len; i++)
1641 gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
1642 x*inst->font_width+inst->cfg.window_border,
1643 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1647 gcs = snewn(len+1, gchar);
1648 wc_to_mb(inst->fontinfo[fontid].charset, 0,
1649 wcs, len, gcs, len, ".", NULL, NULL);
1650 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1651 x*inst->font_width+inst->cfg.window_border,
1652 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1660 gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
1661 x*inst->font_width+inst->cfg.window_border + inst->cfg.shadowboldoffset,
1662 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
1666 if (attr & ATTR_UNDER) {
1667 int uheight = inst->fonts[0]->ascent + 1;
1668 if (uheight >= inst->font_height)
1669 uheight = inst->font_height - 1;
1670 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->cfg.window_border,
1671 y*inst->font_height + uheight + inst->cfg.window_border,
1672 (x+len)*widefactor*inst->font_width-1+inst->cfg.window_border,
1673 y*inst->font_height + uheight + inst->cfg.window_border);
1676 if (lattr != LATTR_NORM) {
1678 * I can't find any plausible StretchBlt equivalent in the
1679 * X server, so I'm going to do this the slow and painful
1680 * way. This will involve repeated calls to
1681 * gdk_draw_pixmap() to stretch the text horizontally. It's
1682 * O(N^2) in time and O(N) in network bandwidth, but you
1683 * try thinking of a better way. :-(
1686 for (i = 0; i < len * widefactor * inst->font_width; i++) {
1687 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1688 x*inst->font_width+inst->cfg.window_border + 2*i,
1689 y*inst->font_height+inst->cfg.window_border,
1690 x*inst->font_width+inst->cfg.window_border + 2*i+1,
1691 y*inst->font_height+inst->cfg.window_border,
1692 len * inst->font_width - i, inst->font_height);
1695 if (lattr != LATTR_WIDE) {
1697 /* Now stretch vertically, in the same way. */
1698 if (lattr == LATTR_BOT)
1702 for (i = 0; i < inst->font_height; i+=2) {
1703 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1704 x*inst->font_width+inst->cfg.window_border,
1705 y*inst->font_height+inst->cfg.window_border+dt*i+db,
1706 x*widefactor*inst->font_width+inst->cfg.window_border,
1707 y*inst->font_height+inst->cfg.window_border+dt*(i+1),
1708 len * inst->font_width, inst->font_height-i-1);
1714 void do_text(Context ctx, int x, int y, char *text, int len,
1715 unsigned long attr, int lattr)
1717 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1718 struct gui_data *inst = dctx->inst;
1719 GdkGC *gc = dctx->gc;
1722 do_text_internal(ctx, x, y, text, len, attr, lattr);
1724 if (attr & ATTR_WIDE) {
1730 if (lattr != LATTR_NORM) {
1732 if (x >= inst->term->cols)
1734 if (x + len*2*widefactor > inst->term->cols)
1735 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1739 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1740 x*inst->font_width+inst->cfg.window_border,
1741 y*inst->font_height+inst->cfg.window_border,
1742 x*inst->font_width+inst->cfg.window_border,
1743 y*inst->font_height+inst->cfg.window_border,
1744 len*widefactor*inst->font_width, inst->font_height);
1747 void do_cursor(Context ctx, int x, int y, char *text, int len,
1748 unsigned long attr, int lattr)
1750 struct draw_ctx *dctx = (struct draw_ctx *)ctx;
1751 struct gui_data *inst = dctx->inst;
1752 GdkGC *gc = dctx->gc;
1754 int passive, widefactor;
1756 if (attr & TATTR_PASCURS) {
1757 attr &= ~TATTR_PASCURS;
1761 if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) {
1762 attr &= ~TATTR_ACTCURS;
1764 do_text_internal(ctx, x, y, text, len, attr, lattr);
1766 if (attr & ATTR_WIDE) {
1772 if (lattr != LATTR_NORM) {
1774 if (x >= inst->term->cols)
1776 if (x + len*2*widefactor > inst->term->cols)
1777 len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
1781 if (inst->cfg.cursor_type == 0) {
1783 * An active block cursor will already have been done by
1784 * the above do_text call, so we only need to do anything
1788 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1789 gdk_draw_rectangle(inst->pixmap, gc, 0,
1790 x*inst->font_width+inst->cfg.window_border,
1791 y*inst->font_height+inst->cfg.window_border,
1792 len*inst->font_width-1, inst->font_height-1);
1796 int startx, starty, dx, dy, length, i;
1800 if ((attr & ATTR_WIDE) || lattr != LATTR_NORM)
1801 char_width = 2*inst->font_width;
1803 char_width = inst->font_width;
1805 if (inst->cfg.cursor_type == 1) {
1806 uheight = inst->fonts[0]->ascent + 1;
1807 if (uheight >= inst->font_height)
1808 uheight = inst->font_height - 1;
1810 startx = x * inst->font_width + inst->cfg.window_border;
1811 starty = y * inst->font_height + inst->cfg.window_border + uheight;
1814 length = len * char_width;
1817 if (attr & TATTR_RIGHTCURS)
1818 xadjust = char_width - 1;
1819 startx = x * inst->font_width + inst->cfg.window_border + xadjust;
1820 starty = y * inst->font_height + inst->cfg.window_border;
1823 length = inst->font_height;
1826 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1828 for (i = 0; i < length; i++) {
1830 gdk_draw_point(inst->pixmap, gc, startx, starty);
1836 gdk_draw_line(inst->pixmap, gc, startx, starty,
1837 startx + (length-1) * dx, starty + (length-1) * dy);
1841 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1842 x*inst->font_width+inst->cfg.window_border,
1843 y*inst->font_height+inst->cfg.window_border,
1844 x*inst->font_width+inst->cfg.window_border,
1845 y*inst->font_height+inst->cfg.window_border,
1846 len*widefactor*inst->font_width, inst->font_height);
1849 GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
1852 * Truly hideous hack: GTK doesn't allow us to set the mouse
1853 * cursor foreground and background colours unless we've _also_
1854 * created our own cursor from bitmaps. Therefore, I need to
1855 * load the `cursor' font and draw glyphs from it on to
1856 * pixmaps, in order to construct my cursors with the fg and bg
1857 * I want. This is a gross hack, but it's more self-contained
1858 * than linking in Xlib to find the X window handle to
1859 * inst->area and calling XRecolorCursor, and it's more
1860 * futureproof than hard-coding the shapes as bitmap arrays.
1862 static GdkFont *cursor_font = NULL;
1863 GdkPixmap *source, *mask;
1865 GdkColor cfg = { 0, 65535, 65535, 65535 };
1866 GdkColor cbg = { 0, 0, 0, 0 };
1867 GdkColor dfg = { 1, 65535, 65535, 65535 };
1868 GdkColor dbg = { 0, 0, 0, 0 };
1871 gint lb, rb, wid, asc, desc, w, h, x, y;
1873 if (cursor_val == -2) {
1874 gdk_font_unref(cursor_font);
1878 if (cursor_val >= 0 && !cursor_font)
1879 cursor_font = gdk_font_load("cursor");
1882 * Get the text extent of the cursor in question. We use the
1883 * mask character for this, because it's typically slightly
1884 * bigger than the main character.
1886 if (cursor_val >= 0) {
1888 text[0] = (char)cursor_val + 1;
1889 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1890 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1896 source = gdk_pixmap_new(NULL, w, h, 1);
1897 mask = gdk_pixmap_new(NULL, w, h, 1);
1900 * Draw the mask character on the mask pixmap.
1902 gc = gdk_gc_new(mask);
1903 gdk_gc_set_foreground(gc, &dbg);
1904 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1905 if (cursor_val >= 0) {
1907 text[0] = (char)cursor_val + 1;
1908 gdk_gc_set_foreground(gc, &dfg);
1909 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1914 * Draw the main character on the source pixmap.
1916 gc = gdk_gc_new(source);
1917 gdk_gc_set_foreground(gc, &dbg);
1918 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1919 if (cursor_val >= 0) {
1921 text[0] = (char)cursor_val;
1922 gdk_gc_set_foreground(gc, &dfg);
1923 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1928 * Create the cursor.
1930 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1935 gdk_pixmap_unref(source);
1936 gdk_pixmap_unref(mask);
1941 void modalfatalbox(char *p, ...)
1944 fprintf(stderr, "FATAL ERROR: ");
1946 vfprintf(stderr, p, ap);
1948 fputc('\n', stderr);
1952 void cmdline_error(char *p, ...)
1955 fprintf(stderr, "plink: ");
1957 vfprintf(stderr, p, ap);
1959 fputc('\n', stderr);
1963 char *get_x_display(void *frontend)
1965 return gdk_get_display();
1968 long get_windowid(void *frontend)
1970 Terminal *term = (Terminal *)frontend;
1971 struct gui_data *inst = (struct gui_data *)(term->frontend);
1972 return (long)GDK_WINDOW_XWINDOW(inst->area->window);
1975 static void help(FILE *fp) {
1977 "pterm option summary:\n"
1979 " --display DISPLAY Specify X display to use (note '--')\n"
1980 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
1981 " -fn FONT Normal text font\n"
1982 " -fb FONT Bold text font\n"
1983 " -geometry WIDTHxHEIGHT Size of terminal in characters\n"
1984 " -sl LINES Number of lines of scrollback\n"
1985 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
1986 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
1987 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
1988 " -T TITLE Window title\n"
1989 " -ut, +ut Do(default) or do not update utmp\n"
1990 " -ls, +ls Do(default) or do not make shell a login shell\n"
1991 " -sb, +sb Do(default) or do not display a scrollbar\n"
1992 " -log PATH Log all output to a file\n"
1993 " -nethack Map numeric keypad to hjklyubn direction keys\n"
1994 " -xrm RESOURCE-STRING Set an X resource\n"
1995 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
1996 ) < 0 || fflush(fp) < 0) {
1997 perror("output error");
2002 int do_cmdline(int argc, char **argv, int do_everything, Config *cfg)
2005 extern char **pty_argv; /* declared in pty.c */
2006 extern int use_pty_argv;
2009 * Macros to make argument handling easier. Note that because
2010 * they need to call `continue', they cannot be contained in
2011 * the usual do {...} while (0) wrapper to make them
2012 * syntactically single statements; hence it is not legal to
2013 * use one of these macros as an unbraced statement between
2016 #define EXPECTS_ARG { \
2017 if (--argc <= 0) { \
2019 fprintf(stderr, "pterm: %s expects an argument\n", p); \
2024 #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)
2091 * Apparently setting the initial window position is
2092 * difficult in GTK 1.2. Not entirely sure why this
2093 * should be. 2.0 has gtk_window_parse_geometry(),
2094 * which would help... For the moment, though, I can't
2095 * be bothered with this.
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, "pterm: unable to parse colour \"%s\"\n", val);
2115 index = (!strcmp(p, "-fg") ? 0 :
2116 !strcmp(p, "-bg") ? 2 :
2117 !strcmp(p, "-bfg") ? 1 :
2118 !strcmp(p, "-bbg") ? 3 :
2119 !strcmp(p, "-cfg") ? 4 :
2120 !strcmp(p, "-cbg") ? 5 : -1);
2121 assert(index != -1);
2122 cfg->colours[index][0] = col.red / 256;
2123 cfg->colours[index][1] = col.green / 256;
2124 cfg->colours[index][2] = col.blue / 256;
2127 } else if (use_pty_argv && !strcmp(p, "-e")) {
2128 /* This option swallows all further arguments. */
2134 pty_argv = snewn(argc+1, char *);
2136 for (i = 0; i < argc; i++)
2137 pty_argv[i] = argv[i];
2138 pty_argv[argc] = NULL;
2139 break; /* finished command-line processing */
2141 err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
2143 } else if (!strcmp(p, "-T")) {
2146 strncpy(cfg->wintitle, val, sizeof(cfg->wintitle));
2147 cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0';
2149 } else if (!strcmp(p, "-log")) {
2152 strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path));
2153 cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0';
2154 cfg->logtype = LGTYP_DEBUG;
2156 } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
2158 cfg->stamp_utmp = 0;
2160 } else if (!strcmp(p, "-ut")) {
2162 cfg->stamp_utmp = 1;
2164 } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
2166 cfg->login_shell = 0;
2168 } else if (!strcmp(p, "-ls")) {
2170 cfg->login_shell = 1;
2172 } else if (!strcmp(p, "-nethack")) {
2174 cfg->nethack_keypad = 1;
2176 } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
2180 } else if (!strcmp(p, "-sb")) {
2184 } else if (!strcmp(p, "-name")) {
2188 } else if (!strcmp(p, "-xrm")) {
2190 provide_xrm_string(val);
2192 } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
2196 } else if(p[0] != '-' && (!do_everything ||
2197 process_nonoption_arg(p, cfg))) {
2202 fprintf(stderr, "pterm: unrecognized option '%s'\n", p);
2209 static void block_signal(int sig, int block_it) {
2213 sigaddset(&ss, sig);
2214 if(sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) {
2215 perror("sigprocmask");
2221 * This function retrieves the character set encoding of a font. It
2222 * returns the character set without the X11 hack (in case the user
2223 * asks to use the font's own encoding).
2225 static int set_font_info(struct gui_data *inst, int fontid)
2227 GdkFont *font = inst->fonts[fontid];
2228 XFontStruct *xfs = GDK_FONT_XFONT(font);
2229 Display *disp = GDK_FONT_XDISPLAY(font);
2230 Atom charset_registry, charset_encoding;
2231 unsigned long registry_ret, encoding_ret;
2232 int retval = CS_NONE;
2234 charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False);
2235 charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False);
2236 inst->fontinfo[fontid].charset = CS_NONE;
2237 inst->fontinfo[fontid].is_wide = 0;
2238 if (XGetFontProperty(xfs, charset_registry, ®istry_ret) &&
2239 XGetFontProperty(xfs, charset_encoding, &encoding_ret)) {
2241 reg = XGetAtomName(disp, (Atom)registry_ret);
2242 enc = XGetAtomName(disp, (Atom)encoding_ret);
2244 char *encoding = dupcat(reg, "-", enc, NULL);
2245 retval = inst->fontinfo[fontid].charset =
2246 charset_from_xenc(encoding);
2247 /* FIXME: when libcharset supports wide encodings fix this. */
2248 if (!strcasecmp(encoding, "iso10646-1")) {
2249 inst->fontinfo[fontid].is_wide = 1;
2254 * Hack for X line-drawing characters: if the primary
2255 * font is encoded as ISO-8859-anything, and has valid
2256 * glyphs in the first 32 char positions, it is assumed
2257 * that those glyphs are the VT100 line-drawing
2260 * Actually, we'll hack even harder by only checking
2261 * position 0x19 (vertical line, VT100 linedrawing
2262 * `x'). Then we can check it easily by seeing if the
2263 * ascent and descent differ.
2265 if (inst->fontinfo[fontid].charset == CS_ISO8859_1) {
2266 int lb, rb, wid, asc, desc;
2271 gdk_string_extents(inst->fonts[fontid], text,
2272 &lb, &rb, &wid, &asc, &desc);
2274 inst->fontinfo[fontid].charset = CS_ISO8859_1_X11;
2284 int uxsel_input_add(int fd, int rwx) {
2286 if (rwx & 1) flags |= GDK_INPUT_READ;
2287 if (rwx & 2) flags |= GDK_INPUT_WRITE;
2288 if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
2289 return gdk_input_add(fd, flags, fd_input_func, NULL);
2292 void uxsel_input_remove(int id) {
2293 gdk_input_remove(id);
2296 void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
2298 struct gui_data *inst = (struct gui_data *)data;
2299 term_clrsb(inst->term);
2302 void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
2304 struct gui_data *inst = (struct gui_data *)data;
2305 term_pwron(inst->term);
2306 ldisc_send(inst->ldisc, NULL, 0, 0);
2309 void special_menuitem(GtkMenuItem *item, gpointer data)
2311 struct gui_data *inst = (struct gui_data *)data;
2312 int code = (int)gtk_object_get_data(GTK_OBJECT(item), "user-data");
2314 inst->back->special(inst->backhandle, code);
2317 void about_menuitem(GtkMenuItem *item, gpointer data)
2319 /* struct gui_data *inst = (struct gui_data *)data; */
2323 void update_specials_menu(void *frontend)
2325 Terminal *term = (Terminal *)frontend;
2326 struct gui_data *inst = (struct gui_data *)term->frontend;
2328 const struct telnet_special *specials;
2330 specials = inst->back->get_specials(inst->backhandle);
2331 gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
2332 (GtkCallback)gtk_widget_destroy, NULL);
2335 GtkWidget *menuitem;
2336 for (i = 0; specials[i].name; i++) {
2337 if (*specials[i].name) {
2338 menuitem = gtk_menu_item_new_with_label(specials[i].name);
2339 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2340 (gpointer)specials[i].code);
2341 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2342 GTK_SIGNAL_FUNC(special_menuitem), inst);
2344 menuitem = gtk_menu_item_new();
2345 gtk_container_add(GTK_CONTAINER(inst->specialsmenu), menuitem);
2346 gtk_widget_show(menuitem);
2348 gtk_widget_show(inst->specialsitem1);
2349 gtk_widget_show(inst->specialsitem2);
2351 gtk_widget_hide(inst->specialsitem1);
2352 gtk_widget_hide(inst->specialsitem2);
2356 int pt_main(int argc, char **argv)
2358 extern Backend *select_backend(Config *cfg);
2359 extern int cfgbox(Config *cfg);
2360 struct gui_data *inst;
2363 /* defer any child exit handling until we're ready to deal with
2365 block_signal(SIGCHLD, 1);
2367 gtk_init(&argc, &argv);
2370 * Create an instance structure and initialise to zeroes
2372 inst = snew(struct gui_data);
2373 memset(inst, 0, sizeof(*inst));
2374 inst->alt_keycode = -1; /* this one needs _not_ to be zero */
2376 if (do_cmdline(argc, argv, 0, &inst->cfg))
2377 exit(1); /* pre-defaults pass to get -class */
2378 do_defaults(NULL, &inst->cfg);
2379 if (do_cmdline(argc, argv, 1, &inst->cfg))
2380 exit(1); /* post-defaults, do everything */
2382 cmdline_run_saved(&inst->cfg);
2384 if (!*inst->cfg.host && !cfgbox(&inst->cfg))
2385 exit(0); /* config box hit Cancel */
2387 inst->fonts[0] = gdk_font_load(inst->cfg.font.name);
2388 if (!inst->fonts[0]) {
2389 fprintf(stderr, "pterm: unable to load font \"%s\"\n",
2390 inst->cfg.font.name);
2393 font_charset = set_font_info(inst, 0);
2394 if (inst->cfg.boldfont.name[0]) {
2395 inst->fonts[1] = gdk_font_load(inst->cfg.boldfont.name);
2396 if (!inst->fonts[1]) {
2397 fprintf(stderr, "pterm: unable to load bold font \"%s\"\n",
2398 inst->cfg.boldfont.name);
2401 set_font_info(inst, 1);
2403 inst->fonts[1] = NULL;
2404 if (inst->cfg.widefont.name[0]) {
2405 inst->fonts[2] = gdk_font_load(inst->cfg.widefont.name);
2406 if (!inst->fonts[2]) {
2407 fprintf(stderr, "pterm: unable to load wide font \"%s\"\n",
2408 inst->cfg.widefont.name);
2411 set_font_info(inst, 2);
2413 inst->fonts[2] = NULL;
2414 if (inst->cfg.wideboldfont.name[0]) {
2415 inst->fonts[3] = gdk_font_load(inst->cfg.wideboldfont.name);
2416 if (!inst->fonts[3]) {
2417 fprintf(stderr, "pterm: unable to load wide/bold font \"%s\"\n",
2418 inst->cfg.wideboldfont.name);
2421 set_font_info(inst, 3);
2423 inst->fonts[3] = NULL;
2425 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
2426 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
2428 inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2429 inst->utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2431 inst->direct_to_font = init_ucs(&inst->ucsdata,
2432 inst->cfg.line_codepage, font_charset);
2434 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2437 * Set up the colour map.
2439 palette_reset(inst);
2441 inst->area = gtk_drawing_area_new();
2442 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
2443 inst->font_width * inst->cfg.width + 2*inst->cfg.window_border,
2444 inst->font_height * inst->cfg.height + 2*inst->cfg.window_border);
2445 if (inst->cfg.scrollbar) {
2446 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
2447 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
2449 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2450 if (inst->cfg.scrollbar) {
2451 if (inst->cfg.scrollbar_on_left)
2452 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2454 gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0);
2456 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
2458 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
2462 geom.min_width = inst->font_width + 2*inst->cfg.window_border;
2463 geom.min_height = inst->font_height + 2*inst->cfg.window_border;
2464 geom.max_width = geom.max_height = -1;
2465 geom.base_width = 2*inst->cfg.window_border;
2466 geom.base_height = 2*inst->cfg.window_border;
2467 geom.width_inc = inst->font_width;
2468 geom.height_inc = inst->font_height;
2469 geom.min_aspect = geom.max_aspect = 0;
2470 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
2471 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
2472 GDK_HINT_RESIZE_INC);
2475 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
2476 GTK_SIGNAL_FUNC(destroy), inst);
2477 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
2478 GTK_SIGNAL_FUNC(delete_window), inst);
2479 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
2480 GTK_SIGNAL_FUNC(key_event), inst);
2481 gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
2482 GTK_SIGNAL_FUNC(key_event), inst);
2483 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
2484 GTK_SIGNAL_FUNC(focus_event), inst);
2485 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
2486 GTK_SIGNAL_FUNC(focus_event), inst);
2487 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
2488 GTK_SIGNAL_FUNC(configure_area), inst);
2489 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
2490 GTK_SIGNAL_FUNC(expose_area), inst);
2491 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
2492 GTK_SIGNAL_FUNC(button_event), inst);
2493 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
2494 GTK_SIGNAL_FUNC(button_event), inst);
2495 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
2496 GTK_SIGNAL_FUNC(motion_event), inst);
2497 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
2498 GTK_SIGNAL_FUNC(selection_received), inst);
2499 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
2500 GTK_SIGNAL_FUNC(selection_get), inst);
2501 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
2502 GTK_SIGNAL_FUNC(selection_clear), inst);
2503 if (inst->cfg.scrollbar)
2504 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
2505 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
2506 gtk_timeout_add(20, timer_func, inst);
2507 gtk_widget_add_events(GTK_WIDGET(inst->area),
2508 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
2509 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
2510 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
2512 gtk_widget_show(inst->area);
2513 if (inst->cfg.scrollbar)
2514 gtk_widget_show(inst->sbar);
2515 gtk_widget_show(GTK_WIDGET(inst->hbox));
2516 gtk_widget_show(inst->window);
2518 set_window_background(inst);
2521 * Set up the Ctrl+rightclick context menu.
2524 GtkWidget *menuitem;
2527 inst->menu = gtk_menu_new();
2529 #define MKMENUITEM(title, func) do { \
2530 menuitem = title ? gtk_menu_item_new_with_label(title) : \
2531 gtk_menu_item_new(); \
2532 gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
2533 gtk_widget_show(menuitem); \
2535 gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
2536 GTK_SIGNAL_FUNC(func), inst); \
2538 MKMENUITEM("Special Commands", NULL);
2539 inst->specialsmenu = gtk_menu_new();
2540 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
2541 inst->specialsitem1 = menuitem;
2542 MKMENUITEM(NULL, NULL);
2543 inst->specialsitem2 = menuitem;
2544 MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
2545 MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
2546 MKMENUITEM(NULL, NULL);
2547 s = dupcat("About ", appname, NULL);
2548 MKMENUITEM(s, about_menuitem);
2553 inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
2554 inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
2555 inst->blankcursor = make_mouse_ptr(inst, -1);
2556 make_mouse_ptr(inst, -2); /* clean up cursor font */
2557 inst->currcursor = inst->textcursor;
2558 show_mouseptr(inst, 1);
2560 inst->term = term_init(&inst->cfg, &inst->ucsdata, inst);
2561 inst->logctx = log_init(inst, &inst->cfg);
2562 term_provide_logctx(inst->term, inst->logctx);
2566 term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines);
2568 inst->back = select_backend(&inst->cfg);
2570 char *realhost, *error;
2572 error = inst->back->init((void *)inst->term, &inst->backhandle,
2573 &inst->cfg, inst->cfg.host, inst->cfg.port,
2574 &realhost, inst->cfg.tcp_nodelay);
2577 char *msg = dupprintf("Unable to open connection to %s:\n%s",
2578 inst->cfg.host, error);
2579 inst->exited = TRUE;
2580 fatal_message_box(inst->window, msg);
2585 if (inst->cfg.wintitle[0])
2586 set_title(inst, inst->cfg.wintitle);
2588 char *title = make_default_wintitle(realhost);
2589 set_title(inst, title);
2593 inst->back->provide_logctx(inst->backhandle, inst->logctx);
2594 update_specials_menu(inst->term);
2596 term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
2599 ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle, inst);
2600 ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
2602 /* now we're reday to deal with the child exit handler being
2604 block_signal(SIGCHLD, 0);
2606 inst->exited = FALSE;