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.
12 #include <gdk/gdkkeysyms.h>
14 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
17 #define CAT2(x,y) x ## y
18 #define CAT(x,y) CAT2(x,y)
19 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
21 #define NCOLOURS (lenof(((Config *)0)->colours))
26 GdkFont *fonts[2]; /* normal and bold (for now!) */
27 GdkCursor *rawcursor, *textcursor;
28 GdkColor cols[NCOLOURS];
30 GdkGC *black_gc, *white_gc;
33 static struct gui_data the_inst;
34 static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
35 static int send_raw_mouse;
37 void ldisc_update(int echo, int edit)
40 * This is a stub in pterm. If I ever produce a Unix
41 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
42 * then it will require some termios manoeuvring analogous to
43 * that in the Windows plink.c, but here it's meaningless.
47 int askappend(char *filename)
50 * FIXME: for the moment we just wipe the log file. Since I
51 * haven't yet enabled logging, this shouldn't matter yet!
56 void logevent(char *string)
59 * FIXME: event log entries are currently ignored.
64 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
65 * into a cooked one (SELECT, EXTEND, PASTE).
67 * In Unix, this is not configurable; the X button arrangement is
68 * rock-solid across all applications, everyone has a three-button
69 * mouse or a means of faking it, and there is no need to switch
70 * buttons around at all.
72 Mouse_Button translate_button(Mouse_Button button)
74 if (button == MBT_LEFT)
76 if (button == MBT_MIDDLE)
78 if (button == MBT_RIGHT)
80 return 0; /* shouldn't happen */
84 * Minimise or restore the window in response to a server-side
87 void set_iconic(int iconic)
89 /* FIXME: currently ignored */
93 * Move the window in response to a server-side request.
95 void move_window(int x, int y)
97 /* FIXME: currently ignored */
101 * Move the window to the top or bottom of the z-order in response
102 * to a server-side request.
104 void set_zorder(int top)
106 /* FIXME: currently ignored */
110 * Refresh the window in response to a server-side request.
112 void refresh_window(void)
114 /* FIXME: currently ignored */
118 * Maximise or restore the window in response to a server-side
121 void set_zoomed(int zoomed)
123 /* FIXME: currently ignored */
127 * Report whether the window is iconic, for terminal reports.
131 return 0; /* FIXME */
135 * Report the window's position, for terminal reports.
137 void get_window_pos(int *x, int *y)
139 *x = 3; *y = 4; /* FIXME */
143 * Report the window's pixel size, for terminal reports.
145 void get_window_pixels(int *x, int *y)
147 *x = 1; *y = 2; /* FIXME */
151 * Return the window or icon title.
153 char *get_window_title(int icon)
155 return "FIXME: window title retrieval not yet implemented";
158 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
161 * FIXME: warn on close?
166 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
168 struct gui_data *inst = (struct gui_data *)data;
171 gdk_pixmap_unref(inst->pixmap);
173 inst->pixmap = gdk_pixmap_new(widget->window, 9*80, 15*24, -1);
175 inst->fonts[0] = gdk_font_load("9x15t"); /* XXCONFIG */
176 inst->fonts[1] = NULL; /* XXCONFIG */
177 inst->black_gc = widget->style->black_gc;
178 inst->white_gc = widget->style->white_gc;
181 * Set up the colour map.
183 inst->colmap = gdk_colormap_get_system();
185 static const int ww[] = {
186 6, 7, 8, 9, 10, 11, 12, 13,
187 14, 15, 16, 17, 18, 19, 20, 21,
190 gboolean success[NCOLOURS];
193 assert(lenof(ww) == NCOLOURS);
195 for (i = 0; i < NCOLOURS; i++) {
196 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
197 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
198 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
201 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
202 FALSE, FALSE, success);
203 for (i = 0; i < NCOLOURS; i++) {
205 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
206 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
213 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
215 /* struct gui_data *inst = (struct gui_data *)data; */
218 * Pass the exposed rectangle to terminal.c, which will call us
219 * back to do the actual painting.
222 event->area.x / 9, event->area.y / 15,
223 (event->area.x + event->area.width - 1) / 9,
224 (event->area.y + event->area.height - 1) / 15);
228 #define KEY_PRESSED(k) \
229 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
231 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
233 /* struct gui_data *inst = (struct gui_data *)data; */
237 if (event->type == GDK_KEY_PRESS) {
241 printf("keypress: keyval = %04x, state = %08x; string =",
242 event->keyval, event->state);
243 for (i = 0; event->string[i]; i++)
244 printf(" %02x", (unsigned char) event->string[i]);
251 * - Shift-PgUp/PgDn for scrollbar
254 * - Compose key (!!! requires Unicode faff before even trying)
255 * - Shift-Ins for paste (need to deal with pasting first)
258 /* ALT+things gives leading Escape. */
260 strncpy(output+1, event->string, 31);
262 end = strlen(output);
263 if (event->state & GDK_MOD1_MASK)
268 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
269 if (!event->string[0] && event->keyval == '`' &&
270 (event->state & GDK_CONTROL_MASK)) {
275 /* Control-Break is the same as Control-C */
276 if (event->keyval == GDK_Break &&
277 (event->state & GDK_CONTROL_MASK)) {
282 /* Control-2, Control-Space and Control-@ are NUL */
283 if (!event->string[0] &&
284 (event->keyval == ' ' || event->keyval == '2' ||
285 event->keyval == '@') &&
286 (event->state & (GDK_SHIFT_MASK |
287 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
292 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
293 if (!event->string[0] && event->keyval == ' ' &&
294 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
295 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
300 /* We don't let GTK tell us what Backspace is! We know better. */
301 if (event->keyval == GDK_BackSpace &&
302 !(event->state & GDK_SHIFT_MASK)) {
303 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
307 /* Shift-Tab is ESC [ Z */
308 if (event->keyval == GDK_ISO_Left_Tab ||
309 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
310 end = 1 + sprintf(output+1, "\033[Z");
314 * Application keypad mode.
316 if (app_keypad_keys && !cfg.no_applic_k) {
318 switch (event->keyval) {
319 case GDK_Num_Lock: xkey = 'P'; break;
320 case GDK_KP_Divide: xkey = 'Q'; break;
321 case GDK_KP_Multiply: xkey = 'R'; break;
322 case GDK_KP_Subtract: xkey = 'S'; break;
324 * Keypad + is tricky. It covers a space that would
325 * be taken up on the VT100 by _two_ keys; so we
326 * let Shift select between the two. Worse still,
327 * in xterm function key mode we change which two...
330 if (cfg.funky_type == 2) {
331 if (event->state & GDK_SHIFT_MASK)
335 } else if (event->state & GDK_SHIFT_MASK)
340 case GDK_KP_Enter: xkey = 'M'; break;
341 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
342 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
343 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
344 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
345 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
346 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
347 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
348 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
349 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
350 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
351 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
355 if (xkey >= 'P' && xkey <= 'S')
356 end = 1 + sprintf(output+1, "\033%c", xkey);
358 end = 1 + sprintf(output+1, "\033?%c", xkey);
360 end = 1 + sprintf(output+1, "\033O%c", xkey);
366 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
367 * for integer decimal nn.)
369 * We also deal with the weird ones here. Linux VCs replace F1
370 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
371 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
376 switch (event->keyval) {
378 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
381 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
384 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
387 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
390 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
393 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
396 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
399 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
402 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
405 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
438 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
439 case GDK_Home: case GDK_KP_Home:
442 case GDK_Insert: case GDK_KP_Insert:
445 case GDK_Delete: case GDK_KP_Delete:
448 case GDK_End: case GDK_KP_End:
451 case GDK_Page_Up: case GDK_KP_Page_Up:
454 case GDK_Page_Down: case GDK_KP_Page_Down:
458 /* Reorder edit keys to physical order */
459 if (cfg.funky_type == 3 && code <= 6)
460 code = "\0\2\1\4\5\3\6"[code];
462 if (vt52_mode && code > 0 && code <= 6) {
463 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
467 if (cfg.funky_type == 5 && /* SCO function keys */
468 code >= 11 && code <= 34) {
469 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
471 switch (event->keyval) {
472 case GDK_F1: index = 0; break;
473 case GDK_F2: index = 1; break;
474 case GDK_F3: index = 2; break;
475 case GDK_F4: index = 3; break;
476 case GDK_F5: index = 4; break;
477 case GDK_F6: index = 5; break;
478 case GDK_F7: index = 6; break;
479 case GDK_F8: index = 7; break;
480 case GDK_F9: index = 8; break;
481 case GDK_F10: index = 9; break;
482 case GDK_F11: index = 10; break;
483 case GDK_F12: index = 11; break;
485 if (event->state & GDK_SHIFT_MASK) index += 12;
486 if (event->state & GDK_CONTROL_MASK) index += 24;
487 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
490 if (cfg.funky_type == 5 && /* SCO small keypad */
491 code >= 1 && code <= 6) {
492 char codes[] = "HL.FIG";
497 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
501 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
508 end = 1 + sprintf(output+1,
509 "\x1B%c", code + 'P' - 11 - offt);
511 end = 1 + sprintf(output+1,
512 "\x1BO%c", code + 'P' - 11 - offt);
515 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
516 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
519 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
521 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
523 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
526 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
527 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
531 end = 1 + sprintf(output+1, "\x1B[%d~", code);
537 * Cursor keys. (This includes the numberpad cursor keys,
538 * if we haven't already done them due to app keypad mode.)
540 * Here we also process un-numlocked un-appkeypadded KP5,
541 * which sends ESC [ G.
545 switch (event->keyval) {
546 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
547 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
548 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
549 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
550 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
554 * The arrow keys normally do ESC [ A and so on. In
555 * app cursor keys mode they do ESC O A instead.
556 * Ctrl toggles the two modes.
559 end = 1 + sprintf(output+1, "\033%c", xkey);
560 } else if (!app_cursor_keys ^
561 !(event->state & GDK_CONTROL_MASK)) {
562 end = 1 + sprintf(output+1, "\033O%c", xkey);
564 end = 1 + sprintf(output+1, "\033[%c", xkey);
575 printf("generating sequence:");
576 for (i = start; i < end; i++)
577 printf(" %02x", (unsigned char) output[i]);
581 ldisc_send(output+start, end-start, 1);
588 gint timer_func(gpointer data)
590 /* struct gui_data *inst = (struct gui_data *)data; */
596 void destroy(GtkWidget *widget, gpointer data)
601 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
603 has_focus = event->in;
610 * set or clear the "raw mouse message" mode
612 void set_raw_mouse_mode(int activate)
614 activate = activate && !cfg.no_mouse_rep;
615 send_raw_mouse = activate;
617 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
619 gdk_window_set_cursor(inst->area->window, inst->textcursor);
622 void request_resize(int w, int h)
624 /* FIXME: currently ignored */
627 void palette_set(int n, int r, int g, int b)
629 /* FIXME: currently ignored */
631 void palette_reset(void)
633 /* FIXME: currently ignored */
636 void write_clip(wchar_t * data, int len, int must_deselect)
638 /* FIXME: currently ignored */
641 void get_clip(wchar_t ** p, int *len)
644 /* FIXME: currently nonfunctional */
650 void set_title(char *title)
652 /* FIXME: currently ignored */
655 void set_icon(char *title)
657 /* FIXME: currently ignored */
660 void set_sbar(int total, int start, int page)
662 /* FIXME: currently ignored */
665 void sys_cursor(int x, int y)
668 * This is meaningless under X.
677 int CharWidth(Context ctx, int uc)
680 * Under X, any fixed-width font really _is_ fixed-width.
681 * Double-width characters will be dealt with using a separate
682 * font. For the moment we can simply return 1.
687 Context get_ctx(void)
690 if (!inst->area->window)
692 gc = gdk_gc_new(inst->area->window);
696 void free_ctx(Context ctx)
698 GdkGC *gc = (GdkGC *)ctx;
703 * Draw a line of text in the window, at given character
704 * coordinates, in given attributes.
706 * We are allowed to fiddle with the contents of `text'.
708 void do_text(Context ctx, int x, int y, char *text, int len,
709 unsigned long attr, int lattr)
712 GdkGC *gc = (GdkGC *)ctx;
716 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
717 * - LATTR_* (ESC # 4 double-width and double-height stuff)
718 * - cursor shapes other than block
719 * - VT100 line drawing stuff; code pages in general!
724 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
725 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
726 if (attr & ATTR_REVERSE) {
731 if (cfg.bold_colour && (attr & ATTR_BOLD))
733 if (cfg.bold_colour && (attr & ATTR_BLINK))
735 if (attr & TATTR_ACTCURS) {
740 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
741 gdk_draw_rectangle(inst->pixmap, gc, 1, x*9, y*15, len*9, 15);
743 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
744 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
745 x*9, y*15 + inst->fonts[0]->ascent, text, len);
747 if (attr & ATTR_UNDER) {
748 int uheight = inst->fonts[0]->ascent + 1;
751 gdk_draw_line(inst->pixmap, gc, x*9, y*15 + uheight,
752 (x+len)*9-1, y*15+uheight);
755 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
756 x*9, y*15, x*9, y*15, len*9, 15);
759 void do_cursor(Context ctx, int x, int y, char *text, int len,
760 unsigned long attr, int lattr)
763 GdkGC *gc = (GdkGC *)ctx;
766 * NYI: cursor shapes other than block
768 if (attr & TATTR_PASCURS) {
769 attr &= ~TATTR_PASCURS;
773 do_text(ctx, x, y, text, len, attr, lattr);
775 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
776 gdk_draw_rectangle(inst->pixmap, gc, 0, x*9, y*15, len*9-1, 15-1);
777 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
778 x*9, y*15, x*9, y*15, len*9, 15);
782 void modalfatalbox(char *p, ...)
785 fprintf(stderr, "FATAL ERROR: ");
787 vfprintf(stderr, p, ap);
793 int main(int argc, char **argv)
797 gtk_init(&argc, &argv);
799 do_defaults(NULL, &cfg);
804 back->init(NULL, 0, NULL, 0);
806 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
807 inst->area = gtk_drawing_area_new();
808 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
809 9*80, 15*24);/* FIXME: proper resizing stuff */
811 gtk_container_add(GTK_CONTAINER(window), inst->area);
813 gtk_signal_connect(GTK_OBJECT(window), "destroy",
814 GTK_SIGNAL_FUNC(destroy), inst);
815 gtk_signal_connect(GTK_OBJECT(window), "delete_event",
816 GTK_SIGNAL_FUNC(delete_window), inst);
817 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
818 GTK_SIGNAL_FUNC(key_event), inst);
819 gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
820 GTK_SIGNAL_FUNC(focus_event), inst);
821 gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
822 GTK_SIGNAL_FUNC(focus_event), inst);
823 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
824 GTK_SIGNAL_FUNC(configure_area), inst);
825 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
826 GTK_SIGNAL_FUNC(expose_area), inst);
827 gtk_timeout_add(20, timer_func, inst);
828 gtk_widget_add_events(GTK_WIDGET(inst->area),
829 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
831 gtk_widget_show(inst->area);
832 gtk_widget_show(window);
834 inst->textcursor = gdk_cursor_new(GDK_XTERM);
835 inst->rawcursor = gdk_cursor_new(GDK_ARROW);
836 gdk_window_set_cursor(inst->area->window, inst->textcursor);
839 term_size(24, 80, 2000);