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.
82 int font_dimension(int which) /* 0 for width, 1 for height */
85 return inst->font_height;
87 return inst->font_width;
91 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
92 * into a cooked one (SELECT, EXTEND, PASTE).
94 * In Unix, this is not configurable; the X button arrangement is
95 * rock-solid across all applications, everyone has a three-button
96 * mouse or a means of faking it, and there is no need to switch
97 * buttons around at all.
99 Mouse_Button translate_button(Mouse_Button button)
101 if (button == MBT_LEFT)
103 if (button == MBT_MIDDLE)
105 if (button == MBT_RIGHT)
107 return 0; /* shouldn't happen */
111 * Minimise or restore the window in response to a server-side
114 void set_iconic(int iconic)
117 * GTK 1.2 doesn't know how to do this.
119 #if GTK_CHECK_VERSION(2,0,0)
121 gtk_window_iconify(GTK_WINDOW(inst->window));
123 gtk_window_deiconify(GTK_WINDOW(inst->window));
128 * Move the window in response to a server-side request.
130 void move_window(int x, int y)
133 * I assume that when the GTK version of this call is available
134 * we should use it. Not sure how it differs from the GDK one,
137 #if GTK_CHECK_VERSION(2,0,0)
138 gtk_window_move(GTK_WINDOW(inst->window), x, y);
140 gdk_window_move(inst->window->window, x, y);
145 * Move the window to the top or bottom of the z-order in response
146 * to a server-side request.
148 void set_zorder(int top)
151 gdk_window_raise(inst->window->window);
153 gdk_window_lower(inst->window->window);
157 * Refresh the window in response to a server-side request.
159 void refresh_window(void)
165 * Maximise or restore the window in response to a server-side
168 void set_zoomed(int zoomed)
171 * GTK 1.2 doesn't know how to do this.
173 #if GTK_CHECK_VERSION(2,0,0)
175 gtk_window_maximize(GTK_WINDOW(inst->window));
177 gtk_window_unmaximize(GTK_WINDOW(inst->window));
182 * Report whether the window is iconic, for terminal reports.
186 return !gdk_window_is_viewable(inst->window->window);
190 * Report the window's position, for terminal reports.
192 void get_window_pos(int *x, int *y)
195 * I assume that when the GTK version of this call is available
196 * we should use it. Not sure how it differs from the GDK one,
199 #if GTK_CHECK_VERSION(2,0,0)
200 gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
202 gdk_window_get_position(inst->window->window, x, y);
207 * Report the window's pixel size, for terminal reports.
209 void get_window_pixels(int *x, int *y)
212 * I assume that when the GTK version of this call is available
213 * we should use it. Not sure how it differs from the GDK one,
216 #if GTK_CHECK_VERSION(2,0,0)
217 gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
219 gdk_window_get_size(inst->window->window, x, y);
224 * Return the window or icon title.
226 char *get_window_title(int icon)
228 return icon ? inst->wintitle : inst->icontitle;
231 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
234 * We could implement warn-on-close here if we really wanted
240 void show_mouseptr(int show)
242 if (!cfg.hide_mouseptr)
245 gdk_window_set_cursor(inst->area->window, inst->currcursor);
247 gdk_window_set_cursor(inst->area->window, inst->blankcursor);
248 inst->mouseptr_visible = show;
251 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
253 struct gui_data *inst = (struct gui_data *)data;
254 int w, h, need_size = 0;
256 printf("configure %d x %d\n", event->width, event->height);
257 w = (event->width - 2*cfg.window_border) / inst->font_width;
258 h = (event->height - 2*cfg.window_border) / inst->font_height;
259 printf(" = %d x %d\n", w, h);
261 if (w != cfg.width || h != cfg.height) {
263 gdk_pixmap_unref(inst->pixmap);
269 printf("need size\n");
274 inst->pixmap = gdk_pixmap_new(widget->window,
275 (cfg.width * inst->font_width +
276 2*cfg.window_border),
277 (cfg.height * inst->font_height +
278 2*cfg.window_border), -1);
280 gc = gdk_gc_new(inst->area->window);
281 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
282 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
283 cfg.width * inst->font_width + 2*cfg.window_border,
284 cfg.height * inst->font_height + 2*cfg.window_border);
289 term_size(h, w, cfg.savelines);
295 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
297 /* struct gui_data *inst = (struct gui_data *)data; */
300 * Pass the exposed rectangle to terminal.c, which will call us
301 * back to do the actual painting.
304 gdk_draw_pixmap(widget->window,
305 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
307 event->area.x, event->area.y,
308 event->area.x, event->area.y,
309 event->area.width, event->area.height);
314 #define KEY_PRESSED(k) \
315 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
317 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
319 /* struct gui_data *inst = (struct gui_data *)data; */
323 if (event->type == GDK_KEY_PRESS) {
327 printf("keypress: keyval = %04x, state = %08x; string =",
328 event->keyval, event->state);
329 for (i = 0; event->string[i]; i++)
330 printf(" %02x", (unsigned char) event->string[i]);
338 * - Compose key (!!! requires Unicode faff before even trying)
342 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
345 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
346 term_scroll(0, -cfg.height/2);
349 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
350 term_scroll(0, +cfg.height/2);
355 * Neither does Shift-Ins.
357 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
362 /* ALT+things gives leading Escape. */
364 strncpy(output+1, event->string, 31);
366 end = strlen(output);
367 if (event->state & GDK_MOD1_MASK)
372 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
373 if (!event->string[0] && event->keyval == '`' &&
374 (event->state & GDK_CONTROL_MASK)) {
379 /* Control-Break is the same as Control-C */
380 if (event->keyval == GDK_Break &&
381 (event->state & GDK_CONTROL_MASK)) {
386 /* Control-2, Control-Space and Control-@ are NUL */
387 if (!event->string[0] &&
388 (event->keyval == ' ' || event->keyval == '2' ||
389 event->keyval == '@') &&
390 (event->state & (GDK_SHIFT_MASK |
391 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
396 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
397 if (!event->string[0] && event->keyval == ' ' &&
398 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
399 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
404 /* We don't let GTK tell us what Backspace is! We know better. */
405 if (event->keyval == GDK_BackSpace &&
406 !(event->state & GDK_SHIFT_MASK)) {
407 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
411 /* Shift-Tab is ESC [ Z */
412 if (event->keyval == GDK_ISO_Left_Tab ||
413 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
414 end = 1 + sprintf(output+1, "\033[Z");
418 * NetHack keypad mode.
420 if (cfg.nethack_keypad) {
422 switch (event->keyval) {
423 case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
424 case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
425 case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
426 case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
427 case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
428 case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
429 case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
430 case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
431 case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
435 if (event->state & GDK_SHIFT_MASK)
444 * Application keypad mode.
446 if (app_keypad_keys && !cfg.no_applic_k) {
448 switch (event->keyval) {
449 case GDK_Num_Lock: xkey = 'P'; break;
450 case GDK_KP_Divide: xkey = 'Q'; break;
451 case GDK_KP_Multiply: xkey = 'R'; break;
452 case GDK_KP_Subtract: xkey = 'S'; break;
454 * Keypad + is tricky. It covers a space that would
455 * be taken up on the VT100 by _two_ keys; so we
456 * let Shift select between the two. Worse still,
457 * in xterm function key mode we change which two...
460 if (cfg.funky_type == 2) {
461 if (event->state & GDK_SHIFT_MASK)
465 } else if (event->state & GDK_SHIFT_MASK)
470 case GDK_KP_Enter: xkey = 'M'; break;
471 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
472 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
473 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
474 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
475 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
476 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
477 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
478 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
479 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
480 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
481 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
485 if (xkey >= 'P' && xkey <= 'S')
486 end = 1 + sprintf(output+1, "\033%c", xkey);
488 end = 1 + sprintf(output+1, "\033?%c", xkey);
490 end = 1 + sprintf(output+1, "\033O%c", xkey);
496 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
497 * for integer decimal nn.)
499 * We also deal with the weird ones here. Linux VCs replace F1
500 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
501 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
506 switch (event->keyval) {
508 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
511 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
514 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
517 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
520 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
523 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
526 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
529 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
532 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
535 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
568 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
569 case GDK_Home: case GDK_KP_Home:
572 case GDK_Insert: case GDK_KP_Insert:
575 case GDK_Delete: case GDK_KP_Delete:
578 case GDK_End: case GDK_KP_End:
581 case GDK_Page_Up: case GDK_KP_Page_Up:
584 case GDK_Page_Down: case GDK_KP_Page_Down:
588 /* Reorder edit keys to physical order */
589 if (cfg.funky_type == 3 && code <= 6)
590 code = "\0\2\1\4\5\3\6"[code];
592 if (vt52_mode && code > 0 && code <= 6) {
593 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
597 if (cfg.funky_type == 5 && /* SCO function keys */
598 code >= 11 && code <= 34) {
599 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
601 switch (event->keyval) {
602 case GDK_F1: index = 0; break;
603 case GDK_F2: index = 1; break;
604 case GDK_F3: index = 2; break;
605 case GDK_F4: index = 3; break;
606 case GDK_F5: index = 4; break;
607 case GDK_F6: index = 5; break;
608 case GDK_F7: index = 6; break;
609 case GDK_F8: index = 7; break;
610 case GDK_F9: index = 8; break;
611 case GDK_F10: index = 9; break;
612 case GDK_F11: index = 10; break;
613 case GDK_F12: index = 11; break;
615 if (event->state & GDK_SHIFT_MASK) index += 12;
616 if (event->state & GDK_CONTROL_MASK) index += 24;
617 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
620 if (cfg.funky_type == 5 && /* SCO small keypad */
621 code >= 1 && code <= 6) {
622 char codes[] = "HL.FIG";
627 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
631 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
638 end = 1 + sprintf(output+1,
639 "\x1B%c", code + 'P' - 11 - offt);
641 end = 1 + sprintf(output+1,
642 "\x1BO%c", code + 'P' - 11 - offt);
645 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
646 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
649 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
651 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
653 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
656 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
657 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
661 end = 1 + sprintf(output+1, "\x1B[%d~", code);
667 * Cursor keys. (This includes the numberpad cursor keys,
668 * if we haven't already done them due to app keypad mode.)
670 * Here we also process un-numlocked un-appkeypadded KP5,
671 * which sends ESC [ G.
675 switch (event->keyval) {
676 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
677 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
678 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
679 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
680 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
684 * The arrow keys normally do ESC [ A and so on. In
685 * app cursor keys mode they do ESC O A instead.
686 * Ctrl toggles the two modes.
689 end = 1 + sprintf(output+1, "\033%c", xkey);
690 } else if (!app_cursor_keys ^
691 !(event->state & GDK_CONTROL_MASK)) {
692 end = 1 + sprintf(output+1, "\033O%c", xkey);
694 end = 1 + sprintf(output+1, "\033[%c", xkey);
705 printf("generating sequence:");
706 for (i = start; i < end; i++)
707 printf(" %02x", (unsigned char) output[i]);
712 ldisc_send(output+start, end-start, 1);
721 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
723 struct gui_data *inst = (struct gui_data *)data;
724 int shift, ctrl, alt, x, y, button, act;
728 shift = event->state & GDK_SHIFT_MASK;
729 ctrl = event->state & GDK_CONTROL_MASK;
730 alt = event->state & GDK_MOD1_MASK;
731 if (event->button == 1)
733 else if (event->button == 2)
735 else if (event->button == 3)
738 return FALSE; /* don't even know what button! */
740 switch (event->type) {
741 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
742 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
743 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
744 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
745 default: return FALSE; /* don't know this event type */
748 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
749 act != MA_CLICK && act != MA_RELEASE)
750 return TRUE; /* we ignore these in raw mouse mode */
752 x = (event->x - cfg.window_border) / inst->font_width;
753 y = (event->y - cfg.window_border) / inst->font_height;
755 term_mouse(button, act, x, y, shift, ctrl, alt);
760 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
762 struct gui_data *inst = (struct gui_data *)data;
763 int shift, ctrl, alt, x, y, button;
767 shift = event->state & GDK_SHIFT_MASK;
768 ctrl = event->state & GDK_CONTROL_MASK;
769 alt = event->state & GDK_MOD1_MASK;
770 if (event->state & GDK_BUTTON1_MASK)
772 else if (event->state & GDK_BUTTON2_MASK)
774 else if (event->state & GDK_BUTTON3_MASK)
777 return FALSE; /* don't even know what button! */
779 x = (event->x - cfg.window_border) / inst->font_width;
780 y = (event->y - cfg.window_border) / inst->font_height;
782 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
787 gint timer_func(gpointer data)
789 /* struct gui_data *inst = (struct gui_data *)data; */
790 extern int pty_child_is_dead(); /* declared in pty.c */
792 if (pty_child_is_dead()) {
794 * The primary child process died. We could keep the
795 * terminal open for remaining subprocesses to output to,
796 * but conventional wisdom seems to feel that that's the
797 * Wrong Thing for an xterm-alike, so we bail out now. This
798 * would be easy enough to change or make configurable if
808 void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
810 /* struct gui_data *inst = (struct gui_data *)data; */
814 ret = read(sourcefd, buf, sizeof(buf));
817 * Clean termination condition is that either ret == 0, or ret
818 * < 0 and errno == EIO. Not sure why the latter, but it seems
821 if (ret == 0 || (ret < 0 && errno == EIO)) {
826 perror("read pty master");
830 from_backend(0, buf, ret);
834 void destroy(GtkWidget *widget, gpointer data)
839 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
841 has_focus = event->in;
849 * set or clear the "raw mouse message" mode
851 void set_raw_mouse_mode(int activate)
853 activate = activate && !cfg.no_mouse_rep;
854 send_raw_mouse = activate;
856 inst->currcursor = inst->rawcursor;
858 inst->currcursor = inst->textcursor;
859 show_mouseptr(inst->mouseptr_visible);
862 void request_resize(int w, int h)
864 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
865 inst->font_width * w + 2*cfg.window_border,
866 inst->font_height * h + 2*cfg.window_border);
869 void real_palette_set(int n, int r, int g, int b)
873 inst->cols[n].red = r * 0x0101;
874 inst->cols[n].green = g * 0x0101;
875 inst->cols[n].blue = b * 0x0101;
877 gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
878 FALSE, FALSE, success);
880 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
884 void palette_set(int n, int r, int g, int b)
886 static const int first[21] = {
887 0, 2, 4, 6, 8, 10, 12, 14,
888 1, 3, 5, 7, 9, 11, 13, 15,
891 real_palette_set(first[n], r, g, b);
893 real_palette_set(first[n] + 1, r, g, b);
896 void palette_reset(void)
898 /* This maps colour indices in cfg to those used in inst->cols. */
899 static const int ww[] = {
900 6, 7, 8, 9, 10, 11, 12, 13,
901 14, 15, 16, 17, 18, 19, 20, 21,
904 gboolean success[NCOLOURS];
907 assert(lenof(ww) == NCOLOURS);
910 inst->colmap = gdk_colormap_get_system();
912 gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
915 for (i = 0; i < NCOLOURS; i++) {
916 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
917 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
918 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
921 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
922 FALSE, FALSE, success);
923 for (i = 0; i < NCOLOURS; i++) {
925 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
926 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
930 void write_clip(wchar_t * data, int len, int must_deselect)
932 if (inst->pasteout_data)
933 sfree(inst->pasteout_data);
934 inst->pasteout_data = smalloc(len);
935 inst->pasteout_data_len = len;
936 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
939 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
941 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
942 GDK_SELECTION_TYPE_STRING, 1);
943 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
944 inst->compound_text_atom, 1);
948 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
949 guint info, guint time_stamp, gpointer data)
951 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
952 inst->pasteout_data, inst->pasteout_data_len);
955 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
959 if (inst->pasteout_data)
960 sfree(inst->pasteout_data);
961 inst->pasteout_data = NULL;
962 inst->pasteout_data_len = 0;
966 void request_paste(void)
969 * In Unix, pasting is asynchronous: all we can do at the
970 * moment is to call gtk_selection_convert(), and when the data
971 * comes back _then_ we can call term_do_paste().
973 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
974 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
977 gint idle_paste_func(gpointer data); /* forward ref */
979 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
982 if (seldata->length <= 0 ||
983 seldata->type != GDK_SELECTION_TYPE_STRING)
984 return; /* Nothing happens. */
986 if (inst->pastein_data)
987 sfree(inst->pastein_data);
989 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
990 inst->pastein_data_len = seldata->length;
991 mb_to_wc(0, 0, seldata->data, seldata->length,
992 inst->pastein_data, inst->pastein_data_len);
996 if (term_paste_pending())
997 inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
1000 gint idle_paste_func(gpointer data)
1002 struct gui_data *inst = (struct gui_data *)data;
1004 if (term_paste_pending())
1007 gtk_idle_remove(inst->term_paste_idle_id);
1013 void get_clip(wchar_t ** p, int *len)
1016 *p = inst->pastein_data;
1017 *len = inst->pastein_data_len;
1021 void set_title(char *title)
1023 strncpy(inst->wintitle, title, lenof(inst->wintitle));
1024 inst->wintitle[lenof(inst->wintitle)-1] = '\0';
1025 gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
1028 void set_icon(char *title)
1030 strncpy(inst->icontitle, title, lenof(inst->icontitle));
1031 inst->icontitle[lenof(inst->icontitle)-1] = '\0';
1032 gdk_window_set_icon_name(inst->window->window, inst->icontitle);
1035 void set_sbar(int total, int start, int page)
1039 inst->sbar_adjust->lower = 0;
1040 inst->sbar_adjust->upper = total;
1041 inst->sbar_adjust->value = start;
1042 inst->sbar_adjust->page_size = page;
1043 inst->sbar_adjust->step_increment = 1;
1044 inst->sbar_adjust->page_increment = page/2;
1045 inst->ignore_sbar = TRUE;
1046 gtk_adjustment_changed(inst->sbar_adjust);
1047 inst->ignore_sbar = FALSE;
1050 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
1054 if (!inst->ignore_sbar)
1055 term_scroll(1, (int)adj->value);
1058 void sys_cursor(int x, int y)
1061 * This is meaningless under X.
1070 int CharWidth(Context ctx, int uc)
1073 * Under X, any fixed-width font really _is_ fixed-width.
1074 * Double-width characters will be dealt with using a separate
1075 * font. For the moment we can simply return 1.
1080 Context get_ctx(void)
1083 if (!inst->area->window)
1085 gc = gdk_gc_new(inst->area->window);
1089 void free_ctx(Context ctx)
1091 GdkGC *gc = (GdkGC *)ctx;
1096 * Draw a line of text in the window, at given character
1097 * coordinates, in given attributes.
1099 * We are allowed to fiddle with the contents of `text'.
1101 void do_text(Context ctx, int x, int y, char *text, int len,
1102 unsigned long attr, int lattr)
1105 GdkGC *gc = (GdkGC *)ctx;
1109 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1110 * - cursor shapes other than block
1114 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1115 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1116 if (attr & ATTR_REVERSE) {
1121 if (cfg.bold_colour && (attr & ATTR_BOLD))
1123 if (cfg.bold_colour && (attr & ATTR_BLINK))
1125 if (attr & TATTR_ACTCURS) {
1130 if (lattr != LATTR_NORM) {
1134 if (x + len*2 > cols)
1135 len = (cols-x)/2; /* trim to LH half */
1138 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
1139 gdk_draw_rectangle(inst->pixmap, gc, 1,
1140 x*inst->font_width+cfg.window_border,
1141 y*inst->font_height+cfg.window_border,
1142 len*inst->font_width, inst->font_height);
1144 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
1145 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
1146 x*inst->font_width+cfg.window_border,
1147 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
1150 if (attr & ATTR_UNDER) {
1151 int uheight = inst->fonts[0]->ascent + 1;
1152 if (uheight >= inst->font_height)
1153 uheight = inst->font_height - 1;
1154 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
1155 y*inst->font_height + uheight + cfg.window_border,
1156 (x+len)*inst->font_width-1+cfg.window_border,
1157 y*inst->font_height + uheight + cfg.window_border);
1160 if (lattr != LATTR_NORM) {
1162 * I can't find any plausible StretchBlt equivalent in the
1163 * X server, so I'm going to do this the slow and painful
1164 * way. This will involve repeated calls to
1165 * gdk_draw_pixmap() to stretch the text horizontally. It's
1166 * O(N^2) in time and O(N) in network bandwidth, but you
1167 * try thinking of a better way. :-(
1170 for (i = 0; i < len * inst->font_width; i++) {
1171 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1172 x*inst->font_width+cfg.window_border + 2*i,
1173 y*inst->font_height+cfg.window_border,
1174 x*inst->font_width+cfg.window_border + 2*i+1,
1175 y*inst->font_height+cfg.window_border,
1176 len * inst->font_width - i, inst->font_height);
1179 if (lattr != LATTR_WIDE) {
1181 /* Now stretch vertically, in the same way. */
1182 if (lattr == LATTR_BOT)
1186 for (i = 0; i < inst->font_height; i+=2) {
1187 gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
1188 x*inst->font_width+cfg.window_border,
1189 y*inst->font_height+cfg.window_border+dt*i+db,
1190 x*inst->font_width+cfg.window_border,
1191 y*inst->font_height+cfg.window_border+dt*(i+1),
1192 len * inst->font_width, inst->font_height-i-1);
1198 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1199 x*inst->font_width+cfg.window_border,
1200 y*inst->font_height+cfg.window_border,
1201 x*inst->font_width+cfg.window_border,
1202 y*inst->font_height+cfg.window_border,
1203 len*inst->font_width, inst->font_height);
1206 void do_cursor(Context ctx, int x, int y, char *text, int len,
1207 unsigned long attr, int lattr)
1210 GdkGC *gc = (GdkGC *)ctx;
1213 * NYI: cursor shapes other than block
1215 if (attr & TATTR_PASCURS) {
1216 attr &= ~TATTR_PASCURS;
1220 do_text(ctx, x, y, text, len, attr, lattr);
1222 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
1223 gdk_draw_rectangle(inst->pixmap, gc, 0,
1224 x*inst->font_width+cfg.window_border,
1225 y*inst->font_height+cfg.window_border,
1226 len*inst->font_width-1, inst->font_height-1);
1227 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
1228 x*inst->font_width+cfg.window_border,
1229 y*inst->font_height+cfg.window_border,
1230 x*inst->font_width+cfg.window_border,
1231 y*inst->font_height+cfg.window_border,
1232 len*inst->font_width, inst->font_height);
1236 GdkCursor *make_mouse_ptr(int cursor_val)
1239 * Truly hideous hack: GTK doesn't allow us to set the mouse
1240 * cursor foreground and background colours unless we've _also_
1241 * created our own cursor from bitmaps. Therefore, I need to
1242 * load the `cursor' font and draw glyphs from it on to
1243 * pixmaps, in order to construct my cursors with the fg and bg
1244 * I want. This is a gross hack, but it's more self-contained
1245 * than linking in Xlib to find the X window handle to
1246 * inst->area and calling XRecolorCursor, and it's more
1247 * futureproof than hard-coding the shapes as bitmap arrays.
1249 static GdkFont *cursor_font = NULL;
1250 GdkPixmap *source, *mask;
1252 GdkColor cfg = { 0, 65535, 65535, 65535 };
1253 GdkColor cbg = { 0, 0, 0, 0 };
1254 GdkColor dfg = { 1, 65535, 65535, 65535 };
1255 GdkColor dbg = { 0, 0, 0, 0 };
1258 gint lb, rb, wid, asc, desc, w, h, x, y;
1260 if (cursor_val == -2) {
1261 gdk_font_unref(cursor_font);
1265 if (cursor_val >= 0 && !cursor_font)
1266 cursor_font = gdk_font_load("cursor");
1269 * Get the text extent of the cursor in question. We use the
1270 * mask character for this, because it's typically slightly
1271 * bigger than the main character.
1273 if (cursor_val >= 0) {
1275 text[0] = (char)cursor_val + 1;
1276 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1277 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1283 source = gdk_pixmap_new(NULL, w, h, 1);
1284 mask = gdk_pixmap_new(NULL, w, h, 1);
1287 * Draw the mask character on the mask pixmap.
1289 gc = gdk_gc_new(mask);
1290 gdk_gc_set_foreground(gc, &dbg);
1291 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1292 if (cursor_val >= 0) {
1294 text[0] = (char)cursor_val + 1;
1295 gdk_gc_set_foreground(gc, &dfg);
1296 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1301 * Draw the main character on the source pixmap.
1303 gc = gdk_gc_new(source);
1304 gdk_gc_set_foreground(gc, &dbg);
1305 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1306 if (cursor_val >= 0) {
1308 text[0] = (char)cursor_val;
1309 gdk_gc_set_foreground(gc, &dfg);
1310 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1315 * Create the cursor.
1317 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1322 gdk_pixmap_unref(source);
1323 gdk_pixmap_unref(mask);
1328 void modalfatalbox(char *p, ...)
1331 fprintf(stderr, "FATAL ERROR: ");
1333 vfprintf(stderr, p, ap);
1335 fputc('\n', stderr);
1339 char *get_x_display(void)
1341 return gdk_get_display();
1344 int main(int argc, char **argv)
1346 extern int pty_master_fd; /* declared in pty.c */
1347 extern char **pty_argv; /* declared in pty.c */
1350 gtk_init(&argc, &argv);
1352 do_defaults(NULL, &cfg);
1354 while (--argc > 0) {
1356 if (!strcmp(p, "-fn")) {
1358 strncpy(cfg.font, *++argv, sizeof(cfg.font));
1359 cfg.font[sizeof(cfg.font)-1] = '\0';
1361 err = 1, fprintf(stderr, "pterm: -fn expects an argument\n");
1363 if (!strcmp(p, "-e")) {
1366 pty_argv = smalloc((argc+1) * sizeof(char *));
1368 for (i = 0; i < argc; i++)
1369 pty_argv[i] = argv[i];
1370 pty_argv[argc] = NULL;
1371 break; /* finished command-line processing */
1373 err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
1375 if (!strcmp(p, "-T")) {
1377 strncpy(cfg.wintitle, *++argv, sizeof(cfg.wintitle));
1378 cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0';
1380 err = 1, fprintf(stderr, "pterm: -T expects an argument\n");
1382 if (!strcmp(p, "-log")) {
1384 strncpy(cfg.logfilename, *++argv, sizeof(cfg.logfilename));
1385 cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0';
1386 cfg.logtype = LGTYP_DEBUG;
1388 err = 1, fprintf(stderr, "pterm: -log expects an argument\n");
1390 if (!strcmp(p, "-hide")) {
1391 cfg.hide_mouseptr = 1;
1393 if (!strcmp(p, "-ut-")) {
1396 if (!strcmp(p, "-ls-")) {
1397 cfg.login_shell = 0;
1399 if (!strcmp(p, "-nethack")) {
1400 cfg.nethack_keypad = 1;
1402 if (!strcmp(p, "-sb-")) {
1407 inst->fonts[0] = gdk_font_load(cfg.font);
1408 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1409 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1410 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1412 inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1416 inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1418 if (cfg.wintitle[0])
1419 set_title(cfg.wintitle);
1424 * Set up the colour map.
1428 inst->area = gtk_drawing_area_new();
1429 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
1430 inst->font_width * cfg.width + 2*cfg.window_border,
1431 inst->font_height * cfg.height + 2*cfg.window_border);
1432 if (cfg.scrollbar) {
1433 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
1434 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1436 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1437 gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
1439 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
1441 gtk_window_set_policy(GTK_WINDOW(inst->window), FALSE, TRUE, TRUE);
1443 gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
1447 geom.min_width = inst->font_width + 2*cfg.window_border;
1448 geom.min_height = inst->font_height + 2*cfg.window_border;
1449 geom.max_width = geom.max_height = -1;
1450 geom.base_width = 2*cfg.window_border;
1451 geom.base_height = 2*cfg.window_border;
1452 geom.width_inc = inst->font_width;
1453 geom.height_inc = inst->font_height;
1454 geom.min_aspect = geom.max_aspect = 0;
1455 gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
1456 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1457 GDK_HINT_RESIZE_INC);
1460 gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
1461 GTK_SIGNAL_FUNC(destroy), inst);
1462 gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
1463 GTK_SIGNAL_FUNC(delete_window), inst);
1464 gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
1465 GTK_SIGNAL_FUNC(key_event), inst);
1466 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
1467 GTK_SIGNAL_FUNC(focus_event), inst);
1468 gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
1469 GTK_SIGNAL_FUNC(focus_event), inst);
1470 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1471 GTK_SIGNAL_FUNC(configure_area), inst);
1472 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1473 GTK_SIGNAL_FUNC(expose_area), inst);
1474 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1475 GTK_SIGNAL_FUNC(button_event), inst);
1476 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1477 GTK_SIGNAL_FUNC(button_event), inst);
1478 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1479 GTK_SIGNAL_FUNC(motion_event), inst);
1480 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1481 GTK_SIGNAL_FUNC(selection_received), inst);
1482 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1483 GTK_SIGNAL_FUNC(selection_get), inst);
1484 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1485 GTK_SIGNAL_FUNC(selection_clear), inst);
1487 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1488 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
1489 gtk_timeout_add(20, timer_func, inst);
1490 gtk_widget_add_events(GTK_WIDGET(inst->area),
1491 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1492 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1493 GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
1495 gtk_widget_show(inst->area);
1497 gtk_widget_show(inst->sbar);
1498 gtk_widget_show(GTK_WIDGET(inst->hbox));
1499 gtk_widget_show(inst->window);
1501 inst->textcursor = make_mouse_ptr(GDK_XTERM);
1502 inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
1503 inst->blankcursor = make_mouse_ptr(-1);
1504 make_mouse_ptr(-2); /* clean up cursor font */
1505 inst->currcursor = inst->textcursor;
1508 back = &pty_backend;
1509 back->init(NULL, 0, NULL, 0);
1511 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
1514 term_size(cfg.height, cfg.width, cfg.savelines);