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.
15 #include <gdk/gdkkeysyms.h>
17 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
20 #define CAT2(x,y) x ## y
21 #define CAT(x,y) CAT2(x,y)
22 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
24 #define NCOLOURS (lenof(((Config *)0)->colours))
27 GtkWidget *window, *area, *sbar;
29 GtkAdjustment *sbar_adjust;
31 GdkFont *fonts[2]; /* normal and bold (for now!) */
32 GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
33 GdkColor cols[NCOLOURS];
35 wchar_t *pastein_data;
38 int pasteout_data_len;
39 int font_width, font_height;
41 GdkAtom compound_text_atom;
42 char wintitle[sizeof(((Config *)0)->wintitle)];
45 static struct gui_data the_inst;
46 static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
47 static int send_raw_mouse;
49 void ldisc_update(int echo, int edit)
52 * This is a stub in pterm. If I ever produce a Unix
53 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
54 * then it will require some termios manoeuvring analogous to
55 * that in the Windows plink.c, but here it's meaningless.
59 int askappend(char *filename)
62 * Logging in an xterm-alike is liable to be something you only
63 * do at serious diagnostic need. Hence, I'm going to take the
64 * easy option for now and assume we always want to overwrite
65 * log files. I can always make it properly configurable later.
70 void logevent(char *string)
73 * This is not a very helpful function: events are logged
74 * pretty much exclusively by the back end, and our pty back
75 * end is self-contained. So we need do nothing.
80 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
81 * into a cooked one (SELECT, EXTEND, PASTE).
83 * In Unix, this is not configurable; the X button arrangement is
84 * rock-solid across all applications, everyone has a three-button
85 * mouse or a means of faking it, and there is no need to switch
86 * buttons around at all.
88 Mouse_Button translate_button(Mouse_Button button)
90 if (button == MBT_LEFT)
92 if (button == MBT_MIDDLE)
94 if (button == MBT_RIGHT)
96 return 0; /* shouldn't happen */
100 * Minimise or restore the window in response to a server-side
103 void set_iconic(int iconic)
105 /* FIXME: currently ignored */
109 * Move the window in response to a server-side request.
111 void move_window(int x, int y)
113 /* FIXME: currently ignored */
117 * Move the window to the top or bottom of the z-order in response
118 * to a server-side request.
120 void set_zorder(int top)
122 /* FIXME: currently ignored */
126 * Refresh the window in response to a server-side request.
128 void refresh_window(void)
130 /* FIXME: currently ignored */
134 * Maximise or restore the window in response to a server-side
137 void set_zoomed(int zoomed)
139 /* FIXME: currently ignored */
143 * Report whether the window is iconic, for terminal reports.
147 return 0; /* FIXME */
151 * Report the window's position, for terminal reports.
153 void get_window_pos(int *x, int *y)
155 *x = 3; *y = 4; /* FIXME */
159 * Report the window's pixel size, for terminal reports.
161 void get_window_pixels(int *x, int *y)
163 *x = 1; *y = 2; /* FIXME */
167 * Return the window or icon title.
169 char *get_window_title(int icon)
171 return inst->wintitle;
174 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
177 * We could implement warn-on-close here if we really wanted
183 void show_mouseptr(int show)
185 if (!cfg.hide_mouseptr)
188 gdk_window_set_cursor(inst->area->window, inst->currcursor);
190 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
193 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
195 struct gui_data *inst = (struct gui_data *)data;
196 int w, h, need_size = 0;
198 w = (event->width - 2*cfg.window_border) / inst->font_width;
199 h = (event->height - 2*cfg.window_border) / inst->font_height;
201 if (w != cfg.width || h != cfg.height) {
203 gdk_pixmap_unref(inst->pixmap);
213 inst->pixmap = gdk_pixmap_new(widget->window,
214 (cfg.width * inst->font_width +
215 2*cfg.window_border),
216 (cfg.height * inst->font_height +
217 2*cfg.window_border), -1);
219 gc = gdk_gc_new(inst->area->window);
220 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
221 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
222 cfg.width * inst->font_width + 2*cfg.window_border,
223 cfg.height * inst->font_height + 2*cfg.window_border);
228 term_size(h, w, cfg.savelines);
232 * Set up the colour map.
239 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
241 /* struct gui_data *inst = (struct gui_data *)data; */
244 * Pass the exposed rectangle to terminal.c, which will call us
245 * back to do the actual painting.
248 gdk_draw_pixmap(widget->window,
249 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
251 event->area.x, event->area.y,
252 event->area.x, event->area.y,
253 event->area.width, event->area.height);
258 #define KEY_PRESSED(k) \
259 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
261 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
263 /* struct gui_data *inst = (struct gui_data *)data; */
267 if (event->type == GDK_KEY_PRESS) {
271 printf("keypress: keyval = %04x, state = %08x; string =",
272 event->keyval, event->state);
273 for (i = 0; event->string[i]; i++)
274 printf(" %02x", (unsigned char) event->string[i]);
283 * - Compose key (!!! requires Unicode faff before even trying)
287 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
290 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
291 term_scroll(0, -cfg.height/2);
294 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
295 term_scroll(0, +cfg.height/2);
300 * Neither does Shift-Ins.
302 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
307 /* ALT+things gives leading Escape. */
309 strncpy(output+1, event->string, 31);
311 end = strlen(output);
312 if (event->state & GDK_MOD1_MASK)
317 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
318 if (!event->string[0] && event->keyval == '`' &&
319 (event->state & GDK_CONTROL_MASK)) {
324 /* Control-Break is the same as Control-C */
325 if (event->keyval == GDK_Break &&
326 (event->state & GDK_CONTROL_MASK)) {
331 /* Control-2, Control-Space and Control-@ are NUL */
332 if (!event->string[0] &&
333 (event->keyval == ' ' || event->keyval == '2' ||
334 event->keyval == '@') &&
335 (event->state & (GDK_SHIFT_MASK |
336 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
341 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
342 if (!event->string[0] && event->keyval == ' ' &&
343 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
344 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
349 /* We don't let GTK tell us what Backspace is! We know better. */
350 if (event->keyval == GDK_BackSpace &&
351 !(event->state & GDK_SHIFT_MASK)) {
352 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
356 /* Shift-Tab is ESC [ Z */
357 if (event->keyval == GDK_ISO_Left_Tab ||
358 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
359 end = 1 + sprintf(output+1, "\033[Z");
363 * NetHack keypad mode.
365 if (cfg.nethack_keypad) {
367 switch (event->keyval) {
368 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
369 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
370 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
371 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
372 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
373 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
374 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
375 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
376 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
380 if (event->state & GDK_SHIFT_MASK)
389 * Application keypad mode.
391 if (app_keypad_keys && !cfg.no_applic_k) {
393 switch (event->keyval) {
394 case GDK_Num_Lock: xkey = 'P'; break;
395 case GDK_KP_Divide: xkey = 'Q'; break;
396 case GDK_KP_Multiply: xkey = 'R'; break;
397 case GDK_KP_Subtract: xkey = 'S'; break;
399 * Keypad + is tricky. It covers a space that would
400 * be taken up on the VT100 by _two_ keys; so we
401 * let Shift select between the two. Worse still,
402 * in xterm function key mode we change which two...
405 if (cfg.funky_type == 2) {
406 if (event->state & GDK_SHIFT_MASK)
410 } else if (event->state & GDK_SHIFT_MASK)
415 case GDK_KP_Enter: xkey = 'M'; break;
416 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
417 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
418 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
419 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
420 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
421 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
422 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
423 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
424 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
425 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
426 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
430 if (xkey >= 'P' && xkey <= 'S')
431 end = 1 + sprintf(output+1, "\033%c", xkey);
433 end = 1 + sprintf(output+1, "\033?%c", xkey);
435 end = 1 + sprintf(output+1, "\033O%c", xkey);
441 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
442 * for integer decimal nn.)
444 * We also deal with the weird ones here. Linux VCs replace F1
445 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
446 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
451 switch (event->keyval) {
453 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
456 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
459 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
462 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
465 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
468 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
471 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
474 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
477 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
480 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
513 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
514 case GDK_Home: case GDK_KP_Home:
517 case GDK_Insert: case GDK_KP_Insert:
520 case GDK_Delete: case GDK_KP_Delete:
523 case GDK_End: case GDK_KP_End:
526 case GDK_Page_Up: case GDK_KP_Page_Up:
529 case GDK_Page_Down: case GDK_KP_Page_Down:
533 /* Reorder edit keys to physical order */
534 if (cfg.funky_type == 3 && code <= 6)
535 code = "\0\2\1\4\5\3\6"[code];
537 if (vt52_mode && code > 0 && code <= 6) {
538 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
542 if (cfg.funky_type == 5 && /* SCO function keys */
543 code >= 11 && code <= 34) {
544 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
546 switch (event->keyval) {
547 case GDK_F1: index = 0; break;
548 case GDK_F2: index = 1; break;
549 case GDK_F3: index = 2; break;
550 case GDK_F4: index = 3; break;
551 case GDK_F5: index = 4; break;
552 case GDK_F6: index = 5; break;
553 case GDK_F7: index = 6; break;
554 case GDK_F8: index = 7; break;
555 case GDK_F9: index = 8; break;
556 case GDK_F10: index = 9; break;
557 case GDK_F11: index = 10; break;
558 case GDK_F12: index = 11; break;
560 if (event->state & GDK_SHIFT_MASK) index += 12;
561 if (event->state & GDK_CONTROL_MASK) index += 24;
562 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
565 if (cfg.funky_type == 5 && /* SCO small keypad */
566 code >= 1 && code <= 6) {
567 char codes[] = "HL.FIG";
572 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
576 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
583 end = 1 + sprintf(output+1,
584 "\x1B%c", code + 'P' - 11 - offt);
586 end = 1 + sprintf(output+1,
587 "\x1BO%c", code + 'P' - 11 - offt);
590 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
591 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
594 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
596 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
598 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
601 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
602 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
606 end = 1 + sprintf(output+1, "\x1B[%d~", code);
612 * Cursor keys. (This includes the numberpad cursor keys,
613 * if we haven't already done them due to app keypad mode.)
615 * Here we also process un-numlocked un-appkeypadded KP5,
616 * which sends ESC [ G.
620 switch (event->keyval) {
621 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
622 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
623 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
624 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
625 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
629 * The arrow keys normally do ESC [ A and so on. In
630 * app cursor keys mode they do ESC O A instead.
631 * Ctrl toggles the two modes.
634 end = 1 + sprintf(output+1, "\033%c", xkey);
635 } else if (!app_cursor_keys ^
636 !(event->state & GDK_CONTROL_MASK)) {
637 end = 1 + sprintf(output+1, "\033O%c", xkey);
639 end = 1 + sprintf(output+1, "\033[%c", xkey);
650 printf("generating sequence:");
651 for (i = start; i < end; i++)
652 printf(" %02x", (unsigned char) output[i]);
657 ldisc_send(output+start, end-start, 1);
666 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
668 struct gui_data *inst = (struct gui_data *)data;
669 int shift, ctrl, alt, x, y, button, act;
673 shift = event->state & GDK_SHIFT_MASK;
674 ctrl = event->state & GDK_CONTROL_MASK;
675 alt = event->state & GDK_MOD1_MASK;
676 if (event->button == 1)
678 else if (event->button == 2)
680 else if (event->button == 3)
683 return FALSE; /* don't even know what button! */
685 switch (event->type) {
686 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
687 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
688 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
689 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
690 default: return FALSE; /* don't know this event type */
693 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
694 act != MA_CLICK && act != MA_RELEASE)
695 return TRUE; /* we ignore these in raw mouse mode */
697 x = (event->x - cfg.window_border) / inst->font_width;
698 y = (event->y - cfg.window_border) / inst->font_height;
700 term_mouse(button, act, x, y, shift, ctrl, alt);
705 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
707 struct gui_data *inst = (struct gui_data *)data;
708 int shift, ctrl, alt, x, y, button;
712 shift = event->state & GDK_SHIFT_MASK;
713 ctrl = event->state & GDK_CONTROL_MASK;
714 alt = event->state & GDK_MOD1_MASK;
715 if (event->state & GDK_BUTTON1_MASK)
717 else if (event->state & GDK_BUTTON2_MASK)
719 else if (event->state & GDK_BUTTON3_MASK)
722 return FALSE; /* don't even know what button! */
724 x = (event->x - cfg.window_border) / inst->font_width;
725 y = (event->y - cfg.window_border) / inst->font_height;
727 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
732 gint timer_func(gpointer data)
734 /* struct gui_data *inst = (struct gui_data *)data; */
735 extern int pty_child_is_dead(); /* declared in pty.c */
737 if (pty_child_is_dead()) {
739 * The primary child process died. We could keep the
740 * terminal open for remaining subprocesses to output to,
741 * but conventional wisdom seems to feel that that's the
742 * Wrong Thing for an xterm-alike, so we bail out now. This
743 * would be easy enough to change or make configurable if
753 gint idle_func(gpointer data)
755 /* struct gui_data *inst = (struct gui_data *)data; */
760 void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
762 /* struct gui_data *inst = (struct gui_data *)data; */
766 ret = read(sourcefd, buf, sizeof(buf));
769 * Clean termination condition is that either ret == 0, or ret
770 * < 0 and errno == EIO. Not sure why the latter, but it seems
773 if (ret == 0 || (ret < 0 && errno == EIO)) {
778 perror("read pty master");
782 from_backend(0, buf, ret);
786 void destroy(GtkWidget *widget, gpointer data)
791 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
793 has_focus = event->in;
801 * set or clear the "raw mouse message" mode
803 void set_raw_mouse_mode(int activate)
805 activate = activate && !cfg.no_mouse_rep;
806 send_raw_mouse = activate;
808 inst->currcursor = inst->rawcursor;
810 inst->currcursor = inst->textcursor;
814 void request_resize(int w, int h)
816 /* FIXME: currently ignored */
819 void real_palette_set(int n, int r, int g, int b)
823 inst->cols[n].red = r * 0x0101;
824 inst->cols[n].green = g * 0x0101;
825 inst->cols[n].blue = b * 0x0101;
827 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
828 FALSE, FALSE, success);
830 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
834 void palette_set(int n, int r, int g, int b)
836 static const int first[21] = {
837 0, 2, 4, 6, 8, 10, 12, 14,
838 1, 3, 5, 7, 9, 11, 13, 15,
841 real_palette_set(first[n], r, g, b);
843 real_palette_set(first[n] + 1, r, g, b);
846 void palette_reset(void)
848 /* This maps colour indices in cfg to those used in inst->cols. */
849 static const int ww[] = {
850 6, 7, 8, 9, 10, 11, 12, 13,
851 14, 15, 16, 17, 18, 19, 20, 21,
854 gboolean success[NCOLOURS];
857 assert(lenof(ww) == NCOLOURS);
860 inst->colmap = gdk_colormap_get_system();
862 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
865 for (i = 0; i < NCOLOURS; i++) {
866 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
867 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
868 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
871 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
872 FALSE, FALSE, success);
873 for (i = 0; i < NCOLOURS; i++) {
875 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
876 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
880 void write_clip(wchar_t * data, int len, int must_deselect)
882 if (inst->pasteout_data)
883 sfree(inst->pasteout_data);
884 inst->pasteout_data = smalloc(len);
885 inst->pasteout_data_len = len;
886 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
889 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
891 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
892 GDK_SELECTION_TYPE_STRING, 1);
893 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
894 inst->compound_text_atom, 1);
898 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
899 guint info, guint time_stamp, gpointer data)
901 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
902 inst->pasteout_data, inst->pasteout_data_len);
905 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
909 if (inst->pasteout_data)
910 sfree(inst->pasteout_data);
911 inst->pasteout_data = NULL;
912 inst->pasteout_data_len = 0;
916 void request_paste(void)
919 * In Unix, pasting is asynchronous: all we can do at the
920 * moment is to call gtk_selection_convert(), and when the data
921 * comes back _then_ we can call term_do_paste().
923 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
924 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
927 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
930 if (seldata->length <= 0 ||
931 seldata->type != GDK_SELECTION_TYPE_STRING)
932 return; /* Nothing happens. */
934 if (inst->pastein_data)
935 sfree(inst->pastein_data);
937 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
938 inst->pastein_data_len = seldata->length;
939 mb_to_wc(0, 0, seldata->data, seldata->length,
940 inst->pastein_data, inst->pastein_data_len);
945 void get_clip(wchar_t ** p, int *len)
948 *p = inst->pastein_data;
949 *len = inst->pastein_data_len;
953 void set_title(char *title)
955 strncpy(inst->wintitle, title, lenof(inst->wintitle));
956 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
957 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
960 void set_icon(char *title)
962 /* FIXME: currently ignored */
965 void set_sbar(int total, int start, int page)
967 inst->sbar_adjust->lower = 0;
968 inst->sbar_adjust->upper = total;
969 inst->sbar_adjust->value = start;
970 inst->sbar_adjust->page_size = page;
971 inst->sbar_adjust->step_increment = 1;
972 inst->sbar_adjust->page_increment = page/2;
973 inst->ignore_sbar = TRUE;
974 gtk_adjustment_changed(inst->sbar_adjust);
975 inst->ignore_sbar = FALSE;
978 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
980 if (!inst->ignore_sbar)
981 term_scroll(1, (int)adj->value);
984 void sys_cursor(int x, int y)
987 * This is meaningless under X.
996 int CharWidth(Context ctx, int uc)
999 * Under X, any fixed-width font really _is_ fixed-width.
1000 * Double-width characters will be dealt with using a separate
1001 * font. For the moment we can simply return 1.
1006 Context get_ctx(void)
1009 if (!inst->area->window)
1011 gc = gdk_gc_new(inst->area->window);
1015 void free_ctx(Context ctx)
1017 GdkGC *gc = (GdkGC *)ctx;
1022 * Draw a line of text in the window, at given character
1023 * coordinates, in given attributes.
1025 * We are allowed to fiddle with the contents of `text'.
1027 void do_text(Context ctx, int x, int y, char *text, int len,
1028 unsigned long attr, int lattr)
1031 GdkGC *gc = (GdkGC *)ctx;
1035 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1036 * - LATTR_* (ESC # 4 double-width and double-height stuff)
1037 * - cursor shapes other than block
1041 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1042 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1043 if (attr & ATTR_REVERSE) {
1048 if (cfg.bold_colour && (attr & ATTR_BOLD))
1050 if (cfg.bold_colour && (attr & ATTR_BLINK))
1052 if (attr & TATTR_ACTCURS) {
1057 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1058 gdk_draw_rectangle(inst->pixmap, gc, 1,
1059 x*inst->font_width+cfg.window_border,
1060 y*inst->font_height+cfg.window_border,
1061 len*inst->font_width, inst->font_height);
1063 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1064 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
1065 x*inst->font_width+cfg.window_border,
1066 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
1069 if (attr & ATTR_UNDER) {
1070 int uheight = inst->fonts[0]->ascent + 1;
1071 if (uheight >= inst->font_height)
1072 uheight = inst->font_height - 1;
1073 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
1074 y*inst->font_height + uheight + cfg.window_border,
1075 (x+len)*inst->font_width-1+cfg.window_border,
1076 y*inst->font_height + uheight + cfg.window_border);
1079 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1080 x*inst->font_width+cfg.window_border,
1081 y*inst->font_height+cfg.window_border,
1082 x*inst->font_width+cfg.window_border,
1083 y*inst->font_height+cfg.window_border,
1084 len*inst->font_width, inst->font_height);
1087 void do_cursor(Context ctx, int x, int y, char *text, int len,
1088 unsigned long attr, int lattr)
1091 GdkGC *gc = (GdkGC *)ctx;
1094 * NYI: cursor shapes other than block
1096 if (attr & TATTR_PASCURS) {
1097 attr &= ~TATTR_PASCURS;
1101 do_text(ctx, x, y, text, len, attr, lattr);
1103 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1104 gdk_draw_rectangle(inst->pixmap, gc, 0,
1105 x*inst->font_width+cfg.window_border,
1106 y*inst->font_height+cfg.window_border,
1107 len*inst->font_width-1, inst->font_height-1);
1108 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1109 x*inst->font_width+cfg.window_border,
1110 y*inst->font_height+cfg.window_border,
1111 x*inst->font_width+cfg.window_border,
1112 y*inst->font_height+cfg.window_border,
1113 len*inst->font_width, inst->font_height);
1117 GdkCursor *make_mouse_ptr(int cursor_val)
1120 * Truly hideous hack: GTK doesn't allow us to set the mouse
1121 * cursor foreground and background colours unless we've _also_
1122 * created our own cursor from bitmaps. Therefore, I need to
1123 * load the `cursor' font and draw glyphs from it on to
1124 * pixmaps, in order to construct my cursors with the fg and bg
1125 * I want. This is a gross hack, but it's more self-contained
1126 * than linking in Xlib to find the X window handle to
1127 * inst->area and calling XRecolorCursor, and it's more
1128 * futureproof than hard-coding the shapes as bitmap arrays.
1130 static GdkFont *cursor_font = NULL;
1131 GdkPixmap *source, *mask;
1133 GdkColor cfg = { 0, 65535, 65535, 65535 };
1134 GdkColor cbg = { 0, 0, 0, 0 };
1135 GdkColor dfg = { 1, 65535, 65535, 65535 };
1136 GdkColor dbg = { 0, 0, 0, 0 };
1139 gint lb, rb, wid, asc, desc, w, h, x, y;
1141 if (cursor_val == -2) {
1142 gdk_font_unref(cursor_font);
1146 if (cursor_val >= 0 && !cursor_font)
1147 cursor_font = gdk_font_load("cursor");
1150 * Get the text extent of the cursor in question. We use the
1151 * mask character for this, because it's typically slightly
1152 * bigger than the main character.
1154 if (cursor_val >= 0) {
1156 text[0] = (char)cursor_val + 1;
1157 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1158 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1164 source = gdk_pixmap_new(NULL, w, h, 1);
1165 mask = gdk_pixmap_new(NULL, w, h, 1);
1168 * Draw the mask character on the mask pixmap.
1170 gc = gdk_gc_new(mask);
1171 gdk_gc_set_foreground(gc, &dbg);
1172 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1173 if (cursor_val >= 0) {
1175 text[0] = (char)cursor_val + 1;
1176 gdk_gc_set_foreground(gc, &dfg);
1177 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1182 * Draw the main character on the source pixmap.
1184 gc = gdk_gc_new(source);
1185 gdk_gc_set_foreground(gc, &dbg);
1186 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1187 if (cursor_val >= 0) {
1189 text[0] = (char)cursor_val;
1190 gdk_gc_set_foreground(gc, &dfg);
1191 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1196 * Create the cursor.
1198 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1203 gdk_pixmap_unref(source);
1204 gdk_pixmap_unref(mask);
1209 void modalfatalbox(char *p, ...)
1212 fprintf(stderr, "FATAL ERROR: ");
1214 vfprintf(stderr, p, ap);
1216 fputc('\n', stderr);
1220 int main(int argc, char **argv)
1222 extern int pty_master_fd; /* declared in pty.c */
1223 extern char **pty_argv; /* declared in pty.c */
1226 gtk_init(&argc, &argv);
1228 do_defaults(NULL, &cfg);
1230 while (--argc > 0) {
1232 if (!strcmp(p, "-fn")) {
1234 strncpy(cfg.font, *++argv, sizeof(cfg.font));
1235 cfg.font[sizeof(cfg.font)-1] = '\0';
1237 err = 1, fprintf(stderr, "pterm: -fn expects an argument\n");
1239 if (!strcmp(p, "-e")) {
1242 pty_argv = smalloc((argc+1) * sizeof(char *));
1244 for (i = 0; i < argc; i++)
1245 pty_argv[i] = argv[i];
1246 pty_argv[argc] = NULL;
1247 break; /* finished command-line processing */
1249 err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
1251 if (!strcmp(p, "-T")) {
1253 strncpy(cfg.wintitle, *++argv, sizeof(cfg.wintitle));
1254 cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0';
1256 err = 1, fprintf(stderr, "pterm: -T expects an argument\n");
1258 if (!strcmp(p, "-log")) {
1260 strncpy(cfg.logfilename, *++argv, sizeof(cfg.logfilename));
1261 cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0';
1262 cfg.logtype = LGTYP_DEBUG;
1264 err = 1, fprintf(stderr, "pterm: -log expects an argument\n");
1266 if (!strcmp(p, "-hide")) {
1267 cfg.hide_mouseptr = 1;
1269 if (!strcmp(p, "-nethack")) {
1270 cfg.nethack_keypad = 1;
1274 inst->fonts[0] = gdk_font_load(cfg.font);
1275 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1276 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1277 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1279 inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1283 back = &pty_backend;
1284 back->init(NULL, 0, NULL, 0);
1286 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1288 if (cfg.wintitle[0])
1289 set_title(cfg.wintitle);
1293 inst->area = gtk_drawing_area_new();
1294 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
1295 inst->font_width * cfg.width + 2*cfg.window_border,
1296 inst->font_height * cfg.height + 2*cfg.window_border);
1297 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1298 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1299 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1300 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
1301 gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0);
1303 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
1307 geom.min_width = inst->font_width + 2*cfg.window_border;
1308 geom.min_height = inst->font_height + 2*cfg.window_border;
1309 geom.max_width = geom.max_height = -1;
1310 geom.base_width = 2*cfg.window_border;
1311 geom.base_height = 2*cfg.window_border;
1312 geom.width_inc = inst->font_width;
1313 geom.height_inc = inst->font_height;
1314 geom.min_aspect = geom.max_aspect = 0;
1315 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
1316 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1317 GDK_HINT_RESIZE_INC);
1320 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
1321 GTK_SIGNAL_FUNC(destroy), inst);
1322 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
1323 GTK_SIGNAL_FUNC(delete_window), inst);
1324 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
1325 GTK_SIGNAL_FUNC(key_event), inst);
1326 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
1327 GTK_SIGNAL_FUNC(focus_event), inst);
1328 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
1329 GTK_SIGNAL_FUNC(focus_event), inst);
1330 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1331 GTK_SIGNAL_FUNC(configure_area), inst);
1332 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1333 GTK_SIGNAL_FUNC(expose_area), inst);
1334 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1335 GTK_SIGNAL_FUNC(button_event), inst);
1336 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1337 GTK_SIGNAL_FUNC(button_event), inst);
1338 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1339 GTK_SIGNAL_FUNC(motion_event), inst);
1340 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1341 GTK_SIGNAL_FUNC(selection_received), inst);
1342 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1343 GTK_SIGNAL_FUNC(selection_get), inst);
1344 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1345 GTK_SIGNAL_FUNC(selection_clear), inst);
1346 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1347 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
1348 gtk_idle_add(idle_func, inst);
1349 gtk_timeout_add(20, timer_func, inst);
1350 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
1351 gtk_widget_add_events(GTK_WIDGET(inst->area),
1352 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1353 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1354 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
1356 gtk_widget_show(inst->area);
1357 gtk_widget_show(inst->sbar);
1358 gtk_widget_show(GTK_WIDGET(inst->hbox));
1359 gtk_widget_show(inst->window);
1361 inst->textcursor = make_mouse_ptr(GDK_XTERM);
1362 inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
1363 inst->blankcursor = make_mouse_ptr(-1);
1364 make_mouse_ptr(-2); /* clean up cursor font */
1365 inst->currcursor = inst->textcursor;
1369 term_size(24, 80, 2000);