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))
29 GdkFont
*fonts
[2]; /* normal and bold (for now!) */
30 GdkCursor
*rawcursor
, *textcursor
;
31 GdkColor cols
[NCOLOURS
];
33 GdkGC
*black_gc
, *white_gc
;
36 static struct gui_data the_inst
;
37 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
38 static int send_raw_mouse
;
40 void ldisc_update(int echo
, int edit
)
43 * This is a stub in pterm. If I ever produce a Unix
44 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
45 * then it will require some termios manoeuvring analogous to
46 * that in the Windows plink.c, but here it's meaningless.
50 int askappend(char *filename
)
53 * FIXME: for the moment we just wipe the log file. Since I
54 * haven't yet enabled logging, this shouldn't matter yet!
59 void logevent(char *string
)
62 * FIXME: event log entries are currently ignored.
67 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
68 * into a cooked one (SELECT, EXTEND, PASTE).
70 * In Unix, this is not configurable; the X button arrangement is
71 * rock-solid across all applications, everyone has a three-button
72 * mouse or a means of faking it, and there is no need to switch
73 * buttons around at all.
75 Mouse_Button
translate_button(Mouse_Button button
)
77 if (button
== MBT_LEFT
)
79 if (button
== MBT_MIDDLE
)
81 if (button
== MBT_RIGHT
)
83 return 0; /* shouldn't happen */
87 * Minimise or restore the window in response to a server-side
90 void set_iconic(int iconic
)
92 /* FIXME: currently ignored */
96 * Move the window in response to a server-side request.
98 void move_window(int x
, int y
)
100 /* FIXME: currently ignored */
104 * Move the window to the top or bottom of the z-order in response
105 * to a server-side request.
107 void set_zorder(int top
)
109 /* FIXME: currently ignored */
113 * Refresh the window in response to a server-side request.
115 void refresh_window(void)
117 /* FIXME: currently ignored */
121 * Maximise or restore the window in response to a server-side
124 void set_zoomed(int zoomed
)
126 /* FIXME: currently ignored */
130 * Report whether the window is iconic, for terminal reports.
134 return 0; /* FIXME */
138 * Report the window's position, for terminal reports.
140 void get_window_pos(int *x
, int *y
)
142 *x
= 3; *y
= 4; /* FIXME */
146 * Report the window's pixel size, for terminal reports.
148 void get_window_pixels(int *x
, int *y
)
150 *x
= 1; *y
= 2; /* FIXME */
154 * Return the window or icon title.
156 char *get_window_title(int icon
)
158 return "FIXME: window title retrieval not yet implemented";
161 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
164 * FIXME: warn on close?
169 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
171 struct gui_data
*inst
= (struct gui_data
*)data
;
174 gdk_pixmap_unref(inst
->pixmap
);
176 inst
->pixmap
= gdk_pixmap_new(widget
->window
, 9*80, 15*24, -1);
178 inst
->fonts
[0] = gdk_font_load("9x15t"); /* XXCONFIG */
179 inst
->fonts
[1] = NULL
; /* XXCONFIG */
180 inst
->black_gc
= widget
->style
->black_gc
;
181 inst
->white_gc
= widget
->style
->white_gc
;
184 * Set up the colour map.
186 inst
->colmap
= gdk_colormap_get_system();
188 static const int ww
[] = {
189 6, 7, 8, 9, 10, 11, 12, 13,
190 14, 15, 16, 17, 18, 19, 20, 21,
193 gboolean success
[NCOLOURS
];
196 assert(lenof(ww
) == NCOLOURS
);
198 for (i
= 0; i
< NCOLOURS
; i
++) {
199 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
200 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
201 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
204 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
205 FALSE
, FALSE
, success
);
206 for (i
= 0; i
< NCOLOURS
; i
++) {
208 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
209 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
216 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
218 /* struct gui_data *inst = (struct gui_data *)data; */
221 * Pass the exposed rectangle to terminal.c, which will call us
222 * back to do the actual painting.
225 event
->area
.x
/ 9, event
->area
.y
/ 15,
226 (event
->area
.x
+ event
->area
.width
- 1) / 9,
227 (event
->area
.y
+ event
->area
.height
- 1) / 15);
231 #define KEY_PRESSED(k) \
232 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
234 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
236 /* struct gui_data *inst = (struct gui_data *)data; */
240 if (event
->type
== GDK_KEY_PRESS
) {
244 printf("keypress: keyval = %04x, state = %08x; string =",
245 event
->keyval
, event
->state
);
246 for (i
= 0; event
->string
[i
]; i
++)
247 printf(" %02x", (unsigned char) event
->string
[i
]);
254 * - Shift-PgUp/PgDn for scrollbar
257 * - Compose key (!!! requires Unicode faff before even trying)
258 * - Shift-Ins for paste (need to deal with pasting first)
261 /* ALT+things gives leading Escape. */
263 strncpy(output
+1, event
->string
, 31);
265 end
= strlen(output
);
266 if (event
->state
& GDK_MOD1_MASK
)
271 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
272 if (!event
->string
[0] && event
->keyval
== '`' &&
273 (event
->state
& GDK_CONTROL_MASK
)) {
278 /* Control-Break is the same as Control-C */
279 if (event
->keyval
== GDK_Break
&&
280 (event
->state
& GDK_CONTROL_MASK
)) {
285 /* Control-2, Control-Space and Control-@ are NUL */
286 if (!event
->string
[0] &&
287 (event
->keyval
== ' ' || event
->keyval
== '2' ||
288 event
->keyval
== '@') &&
289 (event
->state
& (GDK_SHIFT_MASK
|
290 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
295 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
296 if (!event
->string
[0] && event
->keyval
== ' ' &&
297 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
298 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
303 /* We don't let GTK tell us what Backspace is! We know better. */
304 if (event
->keyval
== GDK_BackSpace
&&
305 !(event
->state
& GDK_SHIFT_MASK
)) {
306 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
310 /* Shift-Tab is ESC [ Z */
311 if (event
->keyval
== GDK_ISO_Left_Tab
||
312 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
313 end
= 1 + sprintf(output
+1, "\033[Z");
317 * Application keypad mode.
319 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
321 switch (event
->keyval
) {
322 case GDK_Num_Lock
: xkey
= 'P'; break;
323 case GDK_KP_Divide
: xkey
= 'Q'; break;
324 case GDK_KP_Multiply
: xkey
= 'R'; break;
325 case GDK_KP_Subtract
: xkey
= 'S'; break;
327 * Keypad + is tricky. It covers a space that would
328 * be taken up on the VT100 by _two_ keys; so we
329 * let Shift select between the two. Worse still,
330 * in xterm function key mode we change which two...
333 if (cfg
.funky_type
== 2) {
334 if (event
->state
& GDK_SHIFT_MASK
)
338 } else if (event
->state
& GDK_SHIFT_MASK
)
343 case GDK_KP_Enter
: xkey
= 'M'; break;
344 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
345 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
346 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
347 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
348 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
349 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
350 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
351 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
352 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
353 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
354 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
358 if (xkey
>= 'P' && xkey
<= 'S')
359 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
361 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
363 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
369 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
370 * for integer decimal nn.)
372 * We also deal with the weird ones here. Linux VCs replace F1
373 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
374 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
379 switch (event
->keyval
) {
381 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
384 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
387 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
390 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
393 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
396 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
399 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
402 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
405 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
408 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
441 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
442 case GDK_Home
: case GDK_KP_Home
:
445 case GDK_Insert
: case GDK_KP_Insert
:
448 case GDK_Delete
: case GDK_KP_Delete
:
451 case GDK_End
: case GDK_KP_End
:
454 case GDK_Page_Up
: case GDK_KP_Page_Up
:
457 case GDK_Page_Down
: case GDK_KP_Page_Down
:
461 /* Reorder edit keys to physical order */
462 if (cfg
.funky_type
== 3 && code
<= 6)
463 code
= "\0\2\1\4\5\3\6"[code
];
465 if (vt52_mode
&& code
> 0 && code
<= 6) {
466 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
470 if (cfg
.funky_type
== 5 && /* SCO function keys */
471 code
>= 11 && code
<= 34) {
472 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
474 switch (event
->keyval
) {
475 case GDK_F1
: index
= 0; break;
476 case GDK_F2
: index
= 1; break;
477 case GDK_F3
: index
= 2; break;
478 case GDK_F4
: index
= 3; break;
479 case GDK_F5
: index
= 4; break;
480 case GDK_F6
: index
= 5; break;
481 case GDK_F7
: index
= 6; break;
482 case GDK_F8
: index
= 7; break;
483 case GDK_F9
: index
= 8; break;
484 case GDK_F10
: index
= 9; break;
485 case GDK_F11
: index
= 10; break;
486 case GDK_F12
: index
= 11; break;
488 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
489 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
490 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
493 if (cfg
.funky_type
== 5 && /* SCO small keypad */
494 code
>= 1 && code
<= 6) {
495 char codes
[] = "HL.FIG";
500 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
504 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
511 end
= 1 + sprintf(output
+1,
512 "\x1B%c", code
+ 'P' - 11 - offt
);
514 end
= 1 + sprintf(output
+1,
515 "\x1BO%c", code
+ 'P' - 11 - offt
);
518 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
519 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
522 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
524 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
526 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
529 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
530 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
534 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
540 * Cursor keys. (This includes the numberpad cursor keys,
541 * if we haven't already done them due to app keypad mode.)
543 * Here we also process un-numlocked un-appkeypadded KP5,
544 * which sends ESC [ G.
548 switch (event
->keyval
) {
549 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
550 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
551 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
552 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
553 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
557 * The arrow keys normally do ESC [ A and so on. In
558 * app cursor keys mode they do ESC O A instead.
559 * Ctrl toggles the two modes.
562 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
563 } else if (!app_cursor_keys
^
564 !(event
->state
& GDK_CONTROL_MASK
)) {
565 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
567 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
578 printf("generating sequence:");
579 for (i
= start
; i
< end
; i
++)
580 printf(" %02x", (unsigned char) output
[i
]);
584 ldisc_send(output
+start
, end
-start
, 1);
591 gint
timer_func(gpointer data
)
593 /* struct gui_data *inst = (struct gui_data *)data; */
599 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
601 /* struct gui_data *inst = (struct gui_data *)data; */
605 ret
= read(sourcefd
, buf
, sizeof(buf
));
608 * Clean termination condition is that either ret == 0, or ret
609 * < 0 and errno == EIO. Not sure why the latter, but it seems
612 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
617 perror("read pty master");
621 from_backend(0, buf
, ret
);
625 void destroy(GtkWidget
*widget
, gpointer data
)
630 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
632 has_focus
= event
->in
;
639 * set or clear the "raw mouse message" mode
641 void set_raw_mouse_mode(int activate
)
643 activate
= activate
&& !cfg
.no_mouse_rep
;
644 send_raw_mouse
= activate
;
646 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
648 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
651 void request_resize(int w
, int h
)
653 /* FIXME: currently ignored */
656 void palette_set(int n
, int r
, int g
, int b
)
658 /* FIXME: currently ignored */
660 void palette_reset(void)
662 /* FIXME: currently ignored */
665 void write_clip(wchar_t * data
, int len
, int must_deselect
)
667 /* FIXME: currently ignored */
670 void get_clip(wchar_t ** p
, int *len
)
673 /* FIXME: currently nonfunctional */
679 void set_title(char *title
)
681 /* FIXME: currently ignored */
684 void set_icon(char *title
)
686 /* FIXME: currently ignored */
689 void set_sbar(int total
, int start
, int page
)
691 /* FIXME: currently ignored */
694 void sys_cursor(int x
, int y
)
697 * This is meaningless under X.
706 int CharWidth(Context ctx
, int uc
)
709 * Under X, any fixed-width font really _is_ fixed-width.
710 * Double-width characters will be dealt with using a separate
711 * font. For the moment we can simply return 1.
716 Context
get_ctx(void)
719 if (!inst
->area
->window
)
721 gc
= gdk_gc_new(inst
->area
->window
);
725 void free_ctx(Context ctx
)
727 GdkGC
*gc
= (GdkGC
*)ctx
;
732 * Draw a line of text in the window, at given character
733 * coordinates, in given attributes.
735 * We are allowed to fiddle with the contents of `text'.
737 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
738 unsigned long attr
, int lattr
)
741 GdkGC
*gc
= (GdkGC
*)ctx
;
745 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
746 * - LATTR_* (ESC # 4 double-width and double-height stuff)
747 * - cursor shapes other than block
748 * - VT100 line drawing stuff; code pages in general!
753 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
754 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
755 if (attr
& ATTR_REVERSE
) {
760 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
762 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
764 if (attr
& TATTR_ACTCURS
) {
769 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
770 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, x
*9, y
*15, len
*9, 15);
772 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
773 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
774 x
*9, y
*15 + inst
->fonts
[0]->ascent
, text
, len
);
776 if (attr
& ATTR_UNDER
) {
777 int uheight
= inst
->fonts
[0]->ascent
+ 1;
780 gdk_draw_line(inst
->pixmap
, gc
, x
*9, y
*15 + uheight
,
781 (x
+len
)*9-1, y
*15+uheight
);
784 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
785 x
*9, y
*15, x
*9, y
*15, len
*9, 15);
788 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
789 unsigned long attr
, int lattr
)
792 GdkGC
*gc
= (GdkGC
*)ctx
;
795 * NYI: cursor shapes other than block
797 if (attr
& TATTR_PASCURS
) {
798 attr
&= ~TATTR_PASCURS
;
802 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
804 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
805 gdk_draw_rectangle(inst
->pixmap
, gc
, 0, x
*9, y
*15, len
*9-1, 15-1);
806 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
807 x
*9, y
*15, x
*9, y
*15, len
*9, 15);
811 void modalfatalbox(char *p
, ...)
814 fprintf(stderr
, "FATAL ERROR: ");
816 vfprintf(stderr
, p
, ap
);
822 int main(int argc
, char **argv
)
825 extern int pty_master_fd
; /* declared in pty.c */
827 gtk_init(&argc
, &argv
);
829 do_defaults(NULL
, &cfg
);
834 back
->init(NULL
, 0, NULL
, 0);
836 window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
837 inst
->area
= gtk_drawing_area_new();
838 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
839 9*80, 15*24);/* FIXME: proper resizing stuff */
841 gtk_container_add(GTK_CONTAINER(window
), inst
->area
);
843 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
844 GTK_SIGNAL_FUNC(destroy
), inst
);
845 gtk_signal_connect(GTK_OBJECT(window
), "delete_event",
846 GTK_SIGNAL_FUNC(delete_window
), inst
);
847 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
848 GTK_SIGNAL_FUNC(key_event
), inst
);
849 gtk_signal_connect(GTK_OBJECT(window
), "focus_in_event",
850 GTK_SIGNAL_FUNC(focus_event
), inst
);
851 gtk_signal_connect(GTK_OBJECT(window
), "focus_out_event",
852 GTK_SIGNAL_FUNC(focus_event
), inst
);
853 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
854 GTK_SIGNAL_FUNC(configure_area
), inst
);
855 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
856 GTK_SIGNAL_FUNC(expose_area
), inst
);
857 gtk_timeout_add(20, timer_func
, inst
);
858 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
859 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
860 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
);
862 gtk_widget_show(inst
->area
);
863 gtk_widget_show(window
);
865 inst
->textcursor
= gdk_cursor_new(GDK_XTERM
);
866 inst
->rawcursor
= gdk_cursor_new(GDK_ARROW
);
867 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
870 term_size(24, 80, 2000);