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);