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;
42 guint term_paste_idle_id;
43 GdkAtom compound_text_atom;
44 char wintitle[sizeof(((Config *)0)->wintitle)];
45 char icontitle[sizeof(((Config *)0)->wintitle)];
48 static struct gui_data the_inst;
49 static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
50 static int send_raw_mouse;
52 void ldisc_update(int echo, int edit)
55 * This is a stub in pterm. If I ever produce a Unix
56 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
57 * then it will require some termios manoeuvring analogous to
58 * that in the Windows plink.c, but here it's meaningless.
62 int askappend(char *filename)
65 * Logging in an xterm-alike is liable to be something you only
66 * do at serious diagnostic need. Hence, I'm going to take the
67 * easy option for now and assume we always want to overwrite
68 * log files. I can always make it properly configurable later.
73 void logevent(char *string)
76 * This is not a very helpful function: events are logged
77 * pretty much exclusively by the back end, and our pty back
78 * end is self-contained. So we need do nothing.
83 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
84 * into a cooked one (SELECT, EXTEND, PASTE).
86 * In Unix, this is not configurable; the X button arrangement is
87 * rock-solid across all applications, everyone has a three-button
88 * mouse or a means of faking it, and there is no need to switch
89 * buttons around at all.
91 Mouse_Button translate_button(Mouse_Button button)
93 if (button == MBT_LEFT)
95 if (button == MBT_MIDDLE)
97 if (button == MBT_RIGHT)
99 return 0; /* shouldn't happen */
103 * Minimise or restore the window in response to a server-side
106 void set_iconic(int iconic)
109 * GTK 1.2 doesn't know how to do this.
111 #if GTK_CHECK_VERSION(2,0,0)
113 gtk_window_iconify(GTK_WINDOW(inst->window));
115 gtk_window_deiconify(GTK_WINDOW(inst->window));
120 * Move the window in response to a server-side request.
122 void move_window(int x, int y)
125 * I assume that when the GTK version of this call is available
126 * we should use it. Not sure how it differs from the GDK one,
129 #if GTK_CHECK_VERSION(2,0,0)
130 gtk_window_move(GTK_WINDOW(inst->window), x, y);
132 gdk_window_move(inst->window->window, x, y);
137 * Move the window to the top or bottom of the z-order in response
138 * to a server-side request.
140 void set_zorder(int top)
143 gdk_window_raise(inst->window->window);
145 gdk_window_lower(inst->window->window);
149 * Refresh the window in response to a server-side request.
151 void refresh_window(void)
157 * Maximise or restore the window in response to a server-side
160 void set_zoomed(int zoomed)
163 * GTK 1.2 doesn't know how to do this.
165 #if GTK_CHECK_VERSION(2,0,0)
167 gtk_window_maximize(GTK_WINDOW(inst->window));
169 gtk_window_unmaximize(GTK_WINDOW(inst->window));
174 * Report whether the window is iconic, for terminal reports.
178 return !gdk_window_is_viewable(inst->window->window);
182 * Report the window's position, for terminal reports.
184 void get_window_pos(int *x, int *y)
187 * I assume that when the GTK version of this call is available
188 * we should use it. Not sure how it differs from the GDK one,
191 #if GTK_CHECK_VERSION(2,0,0)
192 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
194 gdk_window_get_position(inst->window->window, x, y);
199 * Report the window's pixel size, for terminal reports.
201 void get_window_pixels(int *x, int *y)
204 * I assume that when the GTK version of this call is available
205 * we should use it. Not sure how it differs from the GDK one,
208 #if GTK_CHECK_VERSION(2,0,0)
209 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
211 gdk_window_get_size(inst->window->window, x, y);
216 * Return the window or icon title.
218 char *get_window_title(int icon)
220 return icon ? inst->wintitle : inst->icontitle;
223 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
226 * We could implement warn-on-close here if we really wanted
232 void show_mouseptr(int show)
234 if (!cfg.hide_mouseptr)
237 gdk_window_set_cursor(inst->area->window, inst->currcursor);
239 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
240 inst->mouseptr_visible = show;
243 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
245 struct gui_data *inst = (struct gui_data *)data;
246 int w, h, need_size = 0;
248 printf("configure %d x %d\n", event->width, event->height);
249 w = (event->width - 2*cfg.window_border) / inst->font_width;
250 h = (event->height - 2*cfg.window_border) / inst->font_height;
251 printf(" = %d x %d\n", w, h);
253 if (w != cfg.width || h != cfg.height) {
255 gdk_pixmap_unref(inst->pixmap);
261 printf("need size\n");
266 inst->pixmap = gdk_pixmap_new(widget->window,
267 (cfg.width * inst->font_width +
268 2*cfg.window_border),
269 (cfg.height * inst->font_height +
270 2*cfg.window_border), -1);
272 gc = gdk_gc_new(inst->area->window);
273 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
274 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
275 cfg.width * inst->font_width + 2*cfg.window_border,
276 cfg.height * inst->font_height + 2*cfg.window_border);
281 term_size(h, w, cfg.savelines);
287 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
289 /* struct gui_data *inst = (struct gui_data *)data; */
292 * Pass the exposed rectangle to terminal.c, which will call us
293 * back to do the actual painting.
296 gdk_draw_pixmap(widget->window,
297 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
299 event->area.x, event->area.y,
300 event->area.x, event->area.y,
301 event->area.width, event->area.height);
306 #define KEY_PRESSED(k) \
307 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
309 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
311 /* struct gui_data *inst = (struct gui_data *)data; */
315 if (event->type == GDK_KEY_PRESS) {
319 printf("keypress: keyval = %04x, state = %08x; string =",
320 event->keyval, event->state);
321 for (i = 0; event->string[i]; i++)
322 printf(" %02x", (unsigned char) event->string[i]);
330 * - Compose key (!!! requires Unicode faff before even trying)
334 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
337 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
338 term_scroll(0, -cfg.height/2);
341 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
342 term_scroll(0, +cfg.height/2);
347 * Neither does Shift-Ins.
349 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
354 /* ALT+things gives leading Escape. */
356 strncpy(output+1, event->string, 31);
358 end = strlen(output);
359 if (event->state & GDK_MOD1_MASK)
364 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
365 if (!event->string[0] && event->keyval == '`' &&
366 (event->state & GDK_CONTROL_MASK)) {
371 /* Control-Break is the same as Control-C */
372 if (event->keyval == GDK_Break &&
373 (event->state & GDK_CONTROL_MASK)) {
378 /* Control-2, Control-Space and Control-@ are NUL */
379 if (!event->string[0] &&
380 (event->keyval == ' ' || event->keyval == '2' ||
381 event->keyval == '@') &&
382 (event->state & (GDK_SHIFT_MASK |
383 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
388 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
389 if (!event->string[0] && event->keyval == ' ' &&
390 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
391 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
396 /* We don't let GTK tell us what Backspace is! We know better. */
397 if (event->keyval == GDK_BackSpace &&
398 !(event->state & GDK_SHIFT_MASK)) {
399 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
403 /* Shift-Tab is ESC [ Z */
404 if (event->keyval == GDK_ISO_Left_Tab ||
405 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
406 end = 1 + sprintf(output+1, "\033[Z");
410 * NetHack keypad mode.
412 if (cfg.nethack_keypad) {
414 switch (event->keyval) {
415 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
416 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
417 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
418 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
419 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
420 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
421 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
422 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
423 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
427 if (event->state & GDK_SHIFT_MASK)
436 * Application keypad mode.
438 if (app_keypad_keys && !cfg.no_applic_k) {
440 switch (event->keyval) {
441 case GDK_Num_Lock: xkey = 'P'; break;
442 case GDK_KP_Divide: xkey = 'Q'; break;
443 case GDK_KP_Multiply: xkey = 'R'; break;
444 case GDK_KP_Subtract: xkey = 'S'; break;
446 * Keypad + is tricky. It covers a space that would
447 * be taken up on the VT100 by _two_ keys; so we
448 * let Shift select between the two. Worse still,
449 * in xterm function key mode we change which two...
452 if (cfg.funky_type == 2) {
453 if (event->state & GDK_SHIFT_MASK)
457 } else if (event->state & GDK_SHIFT_MASK)
462 case GDK_KP_Enter: xkey = 'M'; break;
463 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
464 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
465 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
466 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
467 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
468 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
469 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
470 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
471 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
472 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
473 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
477 if (xkey >= 'P' && xkey <= 'S')
478 end = 1 + sprintf(output+1, "\033%c", xkey);
480 end = 1 + sprintf(output+1, "\033?%c", xkey);
482 end = 1 + sprintf(output+1, "\033O%c", xkey);
488 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
489 * for integer decimal nn.)
491 * We also deal with the weird ones here. Linux VCs replace F1
492 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
493 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
498 switch (event->keyval) {
500 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
503 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
506 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
509 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
512 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
515 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
518 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
521 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
524 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
527 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
560 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
561 case GDK_Home: case GDK_KP_Home:
564 case GDK_Insert: case GDK_KP_Insert:
567 case GDK_Delete: case GDK_KP_Delete:
570 case GDK_End: case GDK_KP_End:
573 case GDK_Page_Up: case GDK_KP_Page_Up:
576 case GDK_Page_Down: case GDK_KP_Page_Down:
580 /* Reorder edit keys to physical order */
581 if (cfg.funky_type == 3 && code <= 6)
582 code = "\0\2\1\4\5\3\6"[code];
584 if (vt52_mode && code > 0 && code <= 6) {
585 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
589 if (cfg.funky_type == 5 && /* SCO function keys */
590 code >= 11 && code <= 34) {
591 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
593 switch (event->keyval) {
594 case GDK_F1: index = 0; break;
595 case GDK_F2: index = 1; break;
596 case GDK_F3: index = 2; break;
597 case GDK_F4: index = 3; break;
598 case GDK_F5: index = 4; break;
599 case GDK_F6: index = 5; break;
600 case GDK_F7: index = 6; break;
601 case GDK_F8: index = 7; break;
602 case GDK_F9: index = 8; break;
603 case GDK_F10: index = 9; break;
604 case GDK_F11: index = 10; break;
605 case GDK_F12: index = 11; break;
607 if (event->state & GDK_SHIFT_MASK) index += 12;
608 if (event->state & GDK_CONTROL_MASK) index += 24;
609 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
612 if (cfg.funky_type == 5 && /* SCO small keypad */
613 code >= 1 && code <= 6) {
614 char codes[] = "HL.FIG";
619 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
623 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
630 end = 1 + sprintf(output+1,
631 "\x1B%c", code + 'P' - 11 - offt);
633 end = 1 + sprintf(output+1,
634 "\x1BO%c", code + 'P' - 11 - offt);
637 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
638 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
641 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
643 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
645 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
648 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
649 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
653 end = 1 + sprintf(output+1, "\x1B[%d~", code);
659 * Cursor keys. (This includes the numberpad cursor keys,
660 * if we haven't already done them due to app keypad mode.)
662 * Here we also process un-numlocked un-appkeypadded KP5,
663 * which sends ESC [ G.
667 switch (event->keyval) {
668 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
669 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
670 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
671 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
672 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
676 * The arrow keys normally do ESC [ A and so on. In
677 * app cursor keys mode they do ESC O A instead.
678 * Ctrl toggles the two modes.
681 end = 1 + sprintf(output+1, "\033%c", xkey);
682 } else if (!app_cursor_keys ^
683 !(event->state & GDK_CONTROL_MASK)) {
684 end = 1 + sprintf(output+1, "\033O%c", xkey);
686 end = 1 + sprintf(output+1, "\033[%c", xkey);
697 printf("generating sequence:");
698 for (i = start; i < end; i++)
699 printf(" %02x", (unsigned char) output[i]);
704 ldisc_send(output+start, end-start, 1);
713 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
715 struct gui_data *inst = (struct gui_data *)data;
716 int shift, ctrl, alt, x, y, button, act;
720 shift = event->state & GDK_SHIFT_MASK;
721 ctrl = event->state & GDK_CONTROL_MASK;
722 alt = event->state & GDK_MOD1_MASK;
723 if (event->button == 1)
725 else if (event->button == 2)
727 else if (event->button == 3)
730 return FALSE; /* don't even know what button! */
732 switch (event->type) {
733 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
734 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
735 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
736 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
737 default: return FALSE; /* don't know this event type */
740 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
741 act != MA_CLICK && act != MA_RELEASE)
742 return TRUE; /* we ignore these in raw mouse mode */
744 x = (event->x - cfg.window_border) / inst->font_width;
745 y = (event->y - cfg.window_border) / inst->font_height;
747 term_mouse(button, act, x, y, shift, ctrl, alt);
752 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
754 struct gui_data *inst = (struct gui_data *)data;
755 int shift, ctrl, alt, x, y, button;
759 shift = event->state & GDK_SHIFT_MASK;
760 ctrl = event->state & GDK_CONTROL_MASK;
761 alt = event->state & GDK_MOD1_MASK;
762 if (event->state & GDK_BUTTON1_MASK)
764 else if (event->state & GDK_BUTTON2_MASK)
766 else if (event->state & GDK_BUTTON3_MASK)
769 return FALSE; /* don't even know what button! */
771 x = (event->x - cfg.window_border) / inst->font_width;
772 y = (event->y - cfg.window_border) / inst->font_height;
774 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
779 gint timer_func(gpointer data)
781 /* struct gui_data *inst = (struct gui_data *)data; */
782 extern int pty_child_is_dead(); /* declared in pty.c */
784 if (pty_child_is_dead()) {
786 * The primary child process died. We could keep the
787 * terminal open for remaining subprocesses to output to,
788 * but conventional wisdom seems to feel that that's the
789 * Wrong Thing for an xterm-alike, so we bail out now. This
790 * would be easy enough to change or make configurable if
800 void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
802 /* struct gui_data *inst = (struct gui_data *)data; */
806 ret = read(sourcefd, buf, sizeof(buf));
809 * Clean termination condition is that either ret == 0, or ret
810 * < 0 and errno == EIO. Not sure why the latter, but it seems
813 if (ret == 0 || (ret < 0 && errno == EIO)) {
818 perror("read pty master");
822 from_backend(0, buf, ret);
826 void destroy(GtkWidget *widget, gpointer data)
831 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
833 has_focus = event->in;
841 * set or clear the "raw mouse message" mode
843 void set_raw_mouse_mode(int activate)
845 activate = activate && !cfg.no_mouse_rep;
846 send_raw_mouse = activate;
848 inst->currcursor = inst->rawcursor;
850 inst->currcursor = inst->textcursor;
851 show_mouseptr(inst->mouseptr_visible);
854 void request_resize(int w, int h)
856 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
857 inst->font_width * w + 2*cfg.window_border,
858 inst->font_height * h + 2*cfg.window_border);
861 void real_palette_set(int n, int r, int g, int b)
865 inst->cols[n].red = r * 0x0101;
866 inst->cols[n].green = g * 0x0101;
867 inst->cols[n].blue = b * 0x0101;
869 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
870 FALSE, FALSE, success);
872 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
876 void palette_set(int n, int r, int g, int b)
878 static const int first[21] = {
879 0, 2, 4, 6, 8, 10, 12, 14,
880 1, 3, 5, 7, 9, 11, 13, 15,
883 real_palette_set(first[n], r, g, b);
885 real_palette_set(first[n] + 1, r, g, b);
888 void palette_reset(void)
890 /* This maps colour indices in cfg to those used in inst->cols. */
891 static const int ww[] = {
892 6, 7, 8, 9, 10, 11, 12, 13,
893 14, 15, 16, 17, 18, 19, 20, 21,
896 gboolean success[NCOLOURS];
899 assert(lenof(ww) == NCOLOURS);
902 inst->colmap = gdk_colormap_get_system();
904 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
907 for (i = 0; i < NCOLOURS; i++) {
908 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
909 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
910 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
913 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
914 FALSE, FALSE, success);
915 for (i = 0; i < NCOLOURS; i++) {
917 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
918 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
922 void write_clip(wchar_t * data, int len, int must_deselect)
924 if (inst->pasteout_data)
925 sfree(inst->pasteout_data);
926 inst->pasteout_data = smalloc(len);
927 inst->pasteout_data_len = len;
928 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
931 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
933 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
934 GDK_SELECTION_TYPE_STRING, 1);
935 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
936 inst->compound_text_atom, 1);
940 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
941 guint info, guint time_stamp, gpointer data)
943 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
944 inst->pasteout_data, inst->pasteout_data_len);
947 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
951 if (inst->pasteout_data)
952 sfree(inst->pasteout_data);
953 inst->pasteout_data = NULL;
954 inst->pasteout_data_len = 0;
958 void request_paste(void)
961 * In Unix, pasting is asynchronous: all we can do at the
962 * moment is to call gtk_selection_convert(), and when the data
963 * comes back _then_ we can call term_do_paste().
965 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
966 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
969 gint idle_paste_func(gpointer data); /* forward ref */
971 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
974 if (seldata->length <= 0 ||
975 seldata->type != GDK_SELECTION_TYPE_STRING)
976 return; /* Nothing happens. */
978 if (inst->pastein_data)
979 sfree(inst->pastein_data);
981 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
982 inst->pastein_data_len = seldata->length;
983 mb_to_wc(0, 0, seldata->data, seldata->length,
984 inst->pastein_data, inst->pastein_data_len);
988 if (term_paste_pending())
989 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
992 gint idle_paste_func(gpointer data)
994 struct gui_data *inst = (struct gui_data *)data;
996 if (term_paste_pending())
999 gtk_idle_remove(inst->term_paste_idle_id);
1005 void get_clip(wchar_t ** p, int *len)
1008 *p = inst->pastein_data;
1009 *len = inst->pastein_data_len;
1013 void set_title(char *title)
1015 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1016 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1017 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1020 void set_icon(char *title)
1022 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1023 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1024 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1027 void set_sbar(int total, int start, int page)
1031 inst->sbar_adjust->lower = 0;
1032 inst->sbar_adjust->upper = total;
1033 inst->sbar_adjust->value = start;
1034 inst->sbar_adjust->page_size = page;
1035 inst->sbar_adjust->step_increment = 1;
1036 inst->sbar_adjust->page_increment = page/2;
1037 inst->ignore_sbar = TRUE;
1038 gtk_adjustment_changed(inst->sbar_adjust);
1039 inst->ignore_sbar = FALSE;
1042 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1046 if (!inst->ignore_sbar)
1047 term_scroll(1, (int)adj->value);
1050 void sys_cursor(int x, int y)
1053 * This is meaningless under X.
1062 int CharWidth(Context ctx, int uc)
1065 * Under X, any fixed-width font really _is_ fixed-width.
1066 * Double-width characters will be dealt with using a separate
1067 * font. For the moment we can simply return 1.
1072 Context get_ctx(void)
1075 if (!inst->area->window)
1077 gc = gdk_gc_new(inst->area->window);
1081 void free_ctx(Context ctx)
1083 GdkGC *gc = (GdkGC *)ctx;
1088 * Draw a line of text in the window, at given character
1089 * coordinates, in given attributes.
1091 * We are allowed to fiddle with the contents of `text'.
1093 void do_text(Context ctx, int x, int y, char *text, int len,
1094 unsigned long attr, int lattr)
1097 GdkGC *gc = (GdkGC *)ctx;
1101 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1102 * - cursor shapes other than block
1106 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1107 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1108 if (attr & ATTR_REVERSE) {
1113 if (cfg.bold_colour && (attr & ATTR_BOLD))
1115 if (cfg.bold_colour && (attr & ATTR_BLINK))
1117 if (attr & TATTR_ACTCURS) {
1122 if (lattr != LATTR_NORM) {
1126 if (x + len*2 > cols)
1127 len = (cols-x)/2; /* trim to LH half */
1130 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1131 gdk_draw_rectangle(inst->pixmap, gc, 1,
1132 x*inst->font_width+cfg.window_border,
1133 y*inst->font_height+cfg.window_border,
1134 len*inst->font_width, inst->font_height);
1136 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1137 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
1138 x*inst->font_width+cfg.window_border,
1139 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
1142 if (attr & ATTR_UNDER) {
1143 int uheight = inst->fonts[0]->ascent + 1;
1144 if (uheight >= inst->font_height)
1145 uheight = inst->font_height - 1;
1146 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
1147 y*inst->font_height + uheight + cfg.window_border,
1148 (x+len)*inst->font_width-1+cfg.window_border,
1149 y*inst->font_height + uheight + cfg.window_border);
1152 if (lattr != LATTR_NORM) {
1154 * I can't find any plausible StretchBlt equivalent in the
1155 * X server, so I'm going to do this the slow and painful
1156 * way. This will involve repeated calls to
1157 * gdk_draw_pixmap() to stretch the text horizontally. It's
1158 * O(N^2) in time and O(N) in network bandwidth, but you
1159 * try thinking of a better way. :-(
1162 for (i = 0; i < len * inst->font_width; i++) {
1163 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1164 x*inst->font_width+cfg.window_border + 2*i,
1165 y*inst->font_height+cfg.window_border,
1166 x*inst->font_width+cfg.window_border + 2*i+1,
1167 y*inst->font_height+cfg.window_border,
1168 len * inst->font_width - i, inst->font_height);
1171 if (lattr != LATTR_WIDE) {
1173 /* Now stretch vertically, in the same way. */
1174 if (lattr == LATTR_BOT)
1178 for (i = 0; i < inst->font_height; i+=2) {
1179 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1180 x*inst->font_width+cfg.window_border,
1181 y*inst->font_height+cfg.window_border+dt*i+db,
1182 x*inst->font_width+cfg.window_border,
1183 y*inst->font_height+cfg.window_border+dt*(i+1),
1184 len * inst->font_width, inst->font_height-i-1);
1190 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1191 x*inst->font_width+cfg.window_border,
1192 y*inst->font_height+cfg.window_border,
1193 x*inst->font_width+cfg.window_border,
1194 y*inst->font_height+cfg.window_border,
1195 len*inst->font_width, inst->font_height);
1198 void do_cursor(Context ctx, int x, int y, char *text, int len,
1199 unsigned long attr, int lattr)
1202 GdkGC *gc = (GdkGC *)ctx;
1205 * NYI: cursor shapes other than block
1207 if (attr & TATTR_PASCURS) {
1208 attr &= ~TATTR_PASCURS;
1212 do_text(ctx, x, y, text, len, attr, lattr);
1214 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1215 gdk_draw_rectangle(inst->pixmap, gc, 0,
1216 x*inst->font_width+cfg.window_border,
1217 y*inst->font_height+cfg.window_border,
1218 len*inst->font_width-1, inst->font_height-1);
1219 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1220 x*inst->font_width+cfg.window_border,
1221 y*inst->font_height+cfg.window_border,
1222 x*inst->font_width+cfg.window_border,
1223 y*inst->font_height+cfg.window_border,
1224 len*inst->font_width, inst->font_height);
1228 GdkCursor *make_mouse_ptr(int cursor_val)
1231 * Truly hideous hack: GTK doesn't allow us to set the mouse
1232 * cursor foreground and background colours unless we've _also_
1233 * created our own cursor from bitmaps. Therefore, I need to
1234 * load the `cursor' font and draw glyphs from it on to
1235 * pixmaps, in order to construct my cursors with the fg and bg
1236 * I want. This is a gross hack, but it's more self-contained
1237 * than linking in Xlib to find the X window handle to
1238 * inst->area and calling XRecolorCursor, and it's more
1239 * futureproof than hard-coding the shapes as bitmap arrays.
1241 static GdkFont *cursor_font = NULL;
1242 GdkPixmap *source, *mask;
1244 GdkColor cfg = { 0, 65535, 65535, 65535 };
1245 GdkColor cbg = { 0, 0, 0, 0 };
1246 GdkColor dfg = { 1, 65535, 65535, 65535 };
1247 GdkColor dbg = { 0, 0, 0, 0 };
1250 gint lb, rb, wid, asc, desc, w, h, x, y;
1252 if (cursor_val == -2) {
1253 gdk_font_unref(cursor_font);
1257 if (cursor_val >= 0 && !cursor_font)
1258 cursor_font = gdk_font_load("cursor");
1261 * Get the text extent of the cursor in question. We use the
1262 * mask character for this, because it's typically slightly
1263 * bigger than the main character.
1265 if (cursor_val >= 0) {
1267 text[0] = (char)cursor_val + 1;
1268 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1269 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1275 source = gdk_pixmap_new(NULL, w, h, 1);
1276 mask = gdk_pixmap_new(NULL, w, h, 1);
1279 * Draw the mask character on the mask pixmap.
1281 gc = gdk_gc_new(mask);
1282 gdk_gc_set_foreground(gc, &dbg);
1283 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1284 if (cursor_val >= 0) {
1286 text[0] = (char)cursor_val + 1;
1287 gdk_gc_set_foreground(gc, &dfg);
1288 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1293 * Draw the main character on the source pixmap.
1295 gc = gdk_gc_new(source);
1296 gdk_gc_set_foreground(gc, &dbg);
1297 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1298 if (cursor_val >= 0) {
1300 text[0] = (char)cursor_val;
1301 gdk_gc_set_foreground(gc, &dfg);
1302 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1307 * Create the cursor.
1309 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1314 gdk_pixmap_unref(source);
1315 gdk_pixmap_unref(mask);
1320 void modalfatalbox(char *p, ...)
1323 fprintf(stderr, "FATAL ERROR: ");
1325 vfprintf(stderr, p, ap);
1327 fputc('\n', stderr);
1331 char *get_x_display(void)
1333 return gdk_get_display();
1336 int main(int argc, char **argv)
1338 extern int pty_master_fd; /* declared in pty.c */
1339 extern char **pty_argv; /* declared in pty.c */
1342 gtk_init(&argc, &argv);
1344 do_defaults(NULL, &cfg);
1346 while (--argc > 0) {
1348 if (!strcmp(p, "-fn")) {
1350 strncpy(cfg.font, *++argv, sizeof(cfg.font));
1351 cfg.font[sizeof(cfg.font)-1] = '\0';
1353 err = 1, fprintf(stderr, "pterm: -fn expects an argument\n");
1355 if (!strcmp(p, "-e")) {
1358 pty_argv = smalloc((argc+1) * sizeof(char *));
1360 for (i = 0; i < argc; i++)
1361 pty_argv[i] = argv[i];
1362 pty_argv[argc] = NULL;
1363 break; /* finished command-line processing */
1365 err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
1367 if (!strcmp(p, "-T")) {
1369 strncpy(cfg.wintitle, *++argv, sizeof(cfg.wintitle));
1370 cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0';
1372 err = 1, fprintf(stderr, "pterm: -T expects an argument\n");
1374 if (!strcmp(p, "-log")) {
1376 strncpy(cfg.logfilename, *++argv, sizeof(cfg.logfilename));
1377 cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0';
1378 cfg.logtype = LGTYP_DEBUG;
1380 err = 1, fprintf(stderr, "pterm: -log expects an argument\n");
1382 if (!strcmp(p, "-hide")) {
1383 cfg.hide_mouseptr = 1;
1385 if (!strcmp(p, "-ut-")) {
1388 if (!strcmp(p, "-ls-")) {
1389 cfg.login_shell = 0;
1391 if (!strcmp(p, "-nethack")) {
1392 cfg.nethack_keypad = 1;
1394 if (!strcmp(p, "-sb-")) {
1399 inst->fonts[0] = gdk_font_load(cfg.font);
1400 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1401 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1402 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1404 inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1408 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1410 if (cfg.wintitle[0])
1411 set_title(cfg.wintitle);
1416 * Set up the colour map.
1420 inst->area = gtk_drawing_area_new();
1421 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
1422 inst->font_width * cfg.width + 2*cfg.window_border,
1423 inst->font_height * cfg.height + 2*cfg.window_border);
1424 if (cfg.scrollbar) {
1425 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
1426 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1428 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1429 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
1431 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
1433 gtk_window_set_policy(GTK_WINDOW(inst->window), FALSE, TRUE, TRUE);
1435 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
1439 geom.min_width = inst->font_width + 2*cfg.window_border;
1440 geom.min_height = inst->font_height + 2*cfg.window_border;
1441 geom.max_width = geom.max_height = -1;
1442 geom.base_width = 2*cfg.window_border;
1443 geom.base_height = 2*cfg.window_border;
1444 geom.width_inc = inst->font_width;
1445 geom.height_inc = inst->font_height;
1446 geom.min_aspect = geom.max_aspect = 0;
1447 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
1448 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1449 GDK_HINT_RESIZE_INC);
1452 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
1453 GTK_SIGNAL_FUNC(destroy), inst);
1454 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
1455 GTK_SIGNAL_FUNC(delete_window), inst);
1456 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
1457 GTK_SIGNAL_FUNC(key_event), inst);
1458 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
1459 GTK_SIGNAL_FUNC(focus_event), inst);
1460 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
1461 GTK_SIGNAL_FUNC(focus_event), inst);
1462 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1463 GTK_SIGNAL_FUNC(configure_area), inst);
1464 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1465 GTK_SIGNAL_FUNC(expose_area), inst);
1466 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1467 GTK_SIGNAL_FUNC(button_event), inst);
1468 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1469 GTK_SIGNAL_FUNC(button_event), inst);
1470 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1471 GTK_SIGNAL_FUNC(motion_event), inst);
1472 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1473 GTK_SIGNAL_FUNC(selection_received), inst);
1474 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1475 GTK_SIGNAL_FUNC(selection_get), inst);
1476 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1477 GTK_SIGNAL_FUNC(selection_clear), inst);
1479 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1480 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
1481 gtk_timeout_add(20, timer_func, inst);
1482 gtk_widget_add_events(GTK_WIDGET(inst->area),
1483 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1484 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1485 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
1487 gtk_widget_show(inst->area);
1489 gtk_widget_show(inst->sbar);
1490 gtk_widget_show(GTK_WIDGET(inst->hbox));
1491 gtk_widget_show(inst->window);
1493 inst->textcursor = make_mouse_ptr(GDK_XTERM);
1494 inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
1495 inst->blankcursor = make_mouse_ptr(-1);
1496 make_mouse_ptr(-2); /* clean up cursor font */
1497 inst->currcursor = inst->textcursor;
1500 back = &pty_backend;
1501 back->init(NULL, 0, NULL, 0);
1503 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
1506 term_size(cfg.height, cfg.width, cfg.savelines);