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 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
257 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
259 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
261 gdk_pixmap_unref(inst
->pixmap
);
271 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
272 (cfg
.width
* inst
->font_width
+
273 2*cfg
.window_border
),
274 (cfg
.height
* inst
->font_height
+
275 2*cfg
.window_border
), -1);
277 gc
= gdk_gc_new(inst
->area
->window
);
278 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
279 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
280 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
281 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
286 term_size(h
, w
, cfg
.savelines
);
292 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
294 /* struct gui_data *inst = (struct gui_data *)data; */
297 * Pass the exposed rectangle to terminal.c, which will call us
298 * back to do the actual painting.
301 gdk_draw_pixmap(widget
->window
,
302 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
304 event
->area
.x
, event
->area
.y
,
305 event
->area
.x
, event
->area
.y
,
306 event
->area
.width
, event
->area
.height
);
311 #define KEY_PRESSED(k) \
312 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
314 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
316 /* struct gui_data *inst = (struct gui_data *)data; */
320 if (event
->type
== GDK_KEY_PRESS
) {
324 printf("keypress: keyval = %04x, state = %08x; string =",
325 event
->keyval
, event
->state
);
326 for (i
= 0; event
->string
[i
]; i
++)
327 printf(" %02x", (unsigned char) event
->string
[i
]);
335 * - Compose key (!!! requires Unicode faff before even trying)
339 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
342 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
343 term_scroll(0, -cfg
.height
/2);
346 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
347 term_scroll(0, +cfg
.height
/2);
352 * Neither does Shift-Ins.
354 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
359 /* ALT+things gives leading Escape. */
361 strncpy(output
+1, event
->string
, 31);
363 end
= strlen(output
);
364 if (event
->state
& GDK_MOD1_MASK
)
369 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
370 if (!event
->string
[0] && event
->keyval
== '`' &&
371 (event
->state
& GDK_CONTROL_MASK
)) {
376 /* Control-Break is the same as Control-C */
377 if (event
->keyval
== GDK_Break
&&
378 (event
->state
& GDK_CONTROL_MASK
)) {
383 /* Control-2, Control-Space and Control-@ are NUL */
384 if (!event
->string
[0] &&
385 (event
->keyval
== ' ' || event
->keyval
== '2' ||
386 event
->keyval
== '@') &&
387 (event
->state
& (GDK_SHIFT_MASK
|
388 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
393 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
394 if (!event
->string
[0] && event
->keyval
== ' ' &&
395 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
396 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
401 /* We don't let GTK tell us what Backspace is! We know better. */
402 if (event
->keyval
== GDK_BackSpace
&&
403 !(event
->state
& GDK_SHIFT_MASK
)) {
404 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
408 /* Shift-Tab is ESC [ Z */
409 if (event
->keyval
== GDK_ISO_Left_Tab
||
410 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
411 end
= 1 + sprintf(output
+1, "\033[Z");
415 * NetHack keypad mode.
417 if (cfg
.nethack_keypad
) {
419 switch (event
->keyval
) {
420 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
421 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
422 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
423 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
424 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
425 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
426 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
427 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
428 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
432 if (event
->state
& GDK_SHIFT_MASK
)
441 * Application keypad mode.
443 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
445 switch (event
->keyval
) {
446 case GDK_Num_Lock
: xkey
= 'P'; break;
447 case GDK_KP_Divide
: xkey
= 'Q'; break;
448 case GDK_KP_Multiply
: xkey
= 'R'; break;
449 case GDK_KP_Subtract
: xkey
= 'S'; break;
451 * Keypad + is tricky. It covers a space that would
452 * be taken up on the VT100 by _two_ keys; so we
453 * let Shift select between the two. Worse still,
454 * in xterm function key mode we change which two...
457 if (cfg
.funky_type
== 2) {
458 if (event
->state
& GDK_SHIFT_MASK
)
462 } else if (event
->state
& GDK_SHIFT_MASK
)
467 case GDK_KP_Enter
: xkey
= 'M'; break;
468 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
469 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
470 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
471 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
472 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
473 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
474 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
475 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
476 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
477 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
478 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
482 if (xkey
>= 'P' && xkey
<= 'S')
483 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
485 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
487 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
493 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
494 * for integer decimal nn.)
496 * We also deal with the weird ones here. Linux VCs replace F1
497 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
498 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
503 switch (event
->keyval
) {
505 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
508 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
511 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
514 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
517 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
520 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
523 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
526 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
529 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
532 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
565 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
566 case GDK_Home
: case GDK_KP_Home
:
569 case GDK_Insert
: case GDK_KP_Insert
:
572 case GDK_Delete
: case GDK_KP_Delete
:
575 case GDK_End
: case GDK_KP_End
:
578 case GDK_Page_Up
: case GDK_KP_Page_Up
:
581 case GDK_Page_Down
: case GDK_KP_Page_Down
:
585 /* Reorder edit keys to physical order */
586 if (cfg
.funky_type
== 3 && code
<= 6)
587 code
= "\0\2\1\4\5\3\6"[code
];
589 if (vt52_mode
&& code
> 0 && code
<= 6) {
590 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
594 if (cfg
.funky_type
== 5 && /* SCO function keys */
595 code
>= 11 && code
<= 34) {
596 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
598 switch (event
->keyval
) {
599 case GDK_F1
: index
= 0; break;
600 case GDK_F2
: index
= 1; break;
601 case GDK_F3
: index
= 2; break;
602 case GDK_F4
: index
= 3; break;
603 case GDK_F5
: index
= 4; break;
604 case GDK_F6
: index
= 5; break;
605 case GDK_F7
: index
= 6; break;
606 case GDK_F8
: index
= 7; break;
607 case GDK_F9
: index
= 8; break;
608 case GDK_F10
: index
= 9; break;
609 case GDK_F11
: index
= 10; break;
610 case GDK_F12
: index
= 11; break;
612 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
613 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
614 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
617 if (cfg
.funky_type
== 5 && /* SCO small keypad */
618 code
>= 1 && code
<= 6) {
619 char codes
[] = "HL.FIG";
624 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
628 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
635 end
= 1 + sprintf(output
+1,
636 "\x1B%c", code
+ 'P' - 11 - offt
);
638 end
= 1 + sprintf(output
+1,
639 "\x1BO%c", code
+ 'P' - 11 - offt
);
642 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
643 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
646 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
648 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
650 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
653 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
654 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
658 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
664 * Cursor keys. (This includes the numberpad cursor keys,
665 * if we haven't already done them due to app keypad mode.)
667 * Here we also process un-numlocked un-appkeypadded KP5,
668 * which sends ESC [ G.
672 switch (event
->keyval
) {
673 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
674 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
675 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
676 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
677 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
681 * The arrow keys normally do ESC [ A and so on. In
682 * app cursor keys mode they do ESC O A instead.
683 * Ctrl toggles the two modes.
686 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
687 } else if (!app_cursor_keys
^
688 !(event
->state
& GDK_CONTROL_MASK
)) {
689 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
691 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
702 printf("generating sequence:");
703 for (i
= start
; i
< end
; i
++)
704 printf(" %02x", (unsigned char) output
[i
]);
709 ldisc_send(output
+start
, end
-start
, 1);
718 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
720 struct gui_data
*inst
= (struct gui_data
*)data
;
721 int shift
, ctrl
, alt
, x
, y
, button
, act
;
725 shift
= event
->state
& GDK_SHIFT_MASK
;
726 ctrl
= event
->state
& GDK_CONTROL_MASK
;
727 alt
= event
->state
& GDK_MOD1_MASK
;
728 if (event
->button
== 1)
730 else if (event
->button
== 2)
732 else if (event
->button
== 3)
735 return FALSE
; /* don't even know what button! */
737 switch (event
->type
) {
738 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
739 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
740 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
741 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
742 default: return FALSE
; /* don't know this event type */
745 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
746 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
747 return TRUE
; /* we ignore these in raw mouse mode */
749 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
750 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
752 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
757 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
759 struct gui_data
*inst
= (struct gui_data
*)data
;
760 int shift
, ctrl
, alt
, x
, y
, button
;
764 shift
= event
->state
& GDK_SHIFT_MASK
;
765 ctrl
= event
->state
& GDK_CONTROL_MASK
;
766 alt
= event
->state
& GDK_MOD1_MASK
;
767 if (event
->state
& GDK_BUTTON1_MASK
)
769 else if (event
->state
& GDK_BUTTON2_MASK
)
771 else if (event
->state
& GDK_BUTTON3_MASK
)
774 return FALSE
; /* don't even know what button! */
776 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
777 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
779 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
784 gint
timer_func(gpointer data
)
786 /* struct gui_data *inst = (struct gui_data *)data; */
787 extern int pty_child_is_dead(); /* declared in pty.c */
789 if (pty_child_is_dead()) {
791 * The primary child process died. We could keep the
792 * terminal open for remaining subprocesses to output to,
793 * but conventional wisdom seems to feel that that's the
794 * Wrong Thing for an xterm-alike, so we bail out now. This
795 * would be easy enough to change or make configurable if
805 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
807 /* struct gui_data *inst = (struct gui_data *)data; */
811 ret
= read(sourcefd
, buf
, sizeof(buf
));
814 * Clean termination condition is that either ret == 0, or ret
815 * < 0 and errno == EIO. Not sure why the latter, but it seems
818 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
823 perror("read pty master");
827 from_backend(0, buf
, ret
);
831 void destroy(GtkWidget
*widget
, gpointer data
)
836 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
838 has_focus
= event
->in
;
846 * set or clear the "raw mouse message" mode
848 void set_raw_mouse_mode(int activate
)
850 activate
= activate
&& !cfg
.no_mouse_rep
;
851 send_raw_mouse
= activate
;
853 inst
->currcursor
= inst
->rawcursor
;
855 inst
->currcursor
= inst
->textcursor
;
856 show_mouseptr(inst
->mouseptr_visible
);
859 void request_resize(int w
, int h
)
861 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
862 inst
->font_width
* w
+ 2*cfg
.window_border
,
863 inst
->font_height
* h
+ 2*cfg
.window_border
);
866 void real_palette_set(int n
, int r
, int g
, int b
)
870 inst
->cols
[n
].red
= r
* 0x0101;
871 inst
->cols
[n
].green
= g
* 0x0101;
872 inst
->cols
[n
].blue
= b
* 0x0101;
874 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
875 FALSE
, FALSE
, success
);
877 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
881 void palette_set(int n
, int r
, int g
, int b
)
883 static const int first
[21] = {
884 0, 2, 4, 6, 8, 10, 12, 14,
885 1, 3, 5, 7, 9, 11, 13, 15,
888 real_palette_set(first
[n
], r
, g
, b
);
890 real_palette_set(first
[n
] + 1, r
, g
, b
);
893 void palette_reset(void)
895 /* This maps colour indices in cfg to those used in inst->cols. */
896 static const int ww
[] = {
897 6, 7, 8, 9, 10, 11, 12, 13,
898 14, 15, 16, 17, 18, 19, 20, 21,
901 gboolean success
[NCOLOURS
];
904 assert(lenof(ww
) == NCOLOURS
);
907 inst
->colmap
= gdk_colormap_get_system();
909 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
912 for (i
= 0; i
< NCOLOURS
; i
++) {
913 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
914 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
915 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
918 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
919 FALSE
, FALSE
, success
);
920 for (i
= 0; i
< NCOLOURS
; i
++) {
922 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
923 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
927 void write_clip(wchar_t * data
, int len
, int must_deselect
)
929 if (inst
->pasteout_data
)
930 sfree(inst
->pasteout_data
);
931 inst
->pasteout_data
= smalloc(len
);
932 inst
->pasteout_data_len
= len
;
933 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
936 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
938 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
939 GDK_SELECTION_TYPE_STRING
, 1);
940 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
941 inst
->compound_text_atom
, 1);
945 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
946 guint info
, guint time_stamp
, gpointer data
)
948 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
949 inst
->pasteout_data
, inst
->pasteout_data_len
);
952 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
956 if (inst
->pasteout_data
)
957 sfree(inst
->pasteout_data
);
958 inst
->pasteout_data
= NULL
;
959 inst
->pasteout_data_len
= 0;
963 void request_paste(void)
966 * In Unix, pasting is asynchronous: all we can do at the
967 * moment is to call gtk_selection_convert(), and when the data
968 * comes back _then_ we can call term_do_paste().
970 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
971 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
974 gint
idle_paste_func(gpointer data
); /* forward ref */
976 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
979 if (seldata
->length
<= 0 ||
980 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
981 return; /* Nothing happens. */
983 if (inst
->pastein_data
)
984 sfree(inst
->pastein_data
);
986 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
987 inst
->pastein_data_len
= seldata
->length
;
988 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
989 inst
->pastein_data
, inst
->pastein_data_len
);
993 if (term_paste_pending())
994 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
997 gint
idle_paste_func(gpointer data
)
999 struct gui_data
*inst
= (struct gui_data
*)data
;
1001 if (term_paste_pending())
1004 gtk_idle_remove(inst
->term_paste_idle_id
);
1010 void get_clip(wchar_t ** p
, int *len
)
1013 *p
= inst
->pastein_data
;
1014 *len
= inst
->pastein_data_len
;
1018 void set_title(char *title
)
1020 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1021 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1022 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1025 void set_icon(char *title
)
1027 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1028 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1029 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1032 void set_sbar(int total
, int start
, int page
)
1036 inst
->sbar_adjust
->lower
= 0;
1037 inst
->sbar_adjust
->upper
= total
;
1038 inst
->sbar_adjust
->value
= start
;
1039 inst
->sbar_adjust
->page_size
= page
;
1040 inst
->sbar_adjust
->step_increment
= 1;
1041 inst
->sbar_adjust
->page_increment
= page
/2;
1042 inst
->ignore_sbar
= TRUE
;
1043 gtk_adjustment_changed(inst
->sbar_adjust
);
1044 inst
->ignore_sbar
= FALSE
;
1047 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1051 if (!inst
->ignore_sbar
)
1052 term_scroll(1, (int)adj
->value
);
1055 void sys_cursor(int x
, int y
)
1058 * This is meaningless under X.
1067 int CharWidth(Context ctx
, int uc
)
1070 * Under X, any fixed-width font really _is_ fixed-width.
1071 * Double-width characters will be dealt with using a separate
1072 * font. For the moment we can simply return 1.
1077 Context
get_ctx(void)
1080 if (!inst
->area
->window
)
1082 gc
= gdk_gc_new(inst
->area
->window
);
1086 void free_ctx(Context ctx
)
1088 GdkGC
*gc
= (GdkGC
*)ctx
;
1093 * Draw a line of text in the window, at given character
1094 * coordinates, in given attributes.
1096 * We are allowed to fiddle with the contents of `text'.
1098 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1099 unsigned long attr
, int lattr
)
1102 GdkGC
*gc
= (GdkGC
*)ctx
;
1106 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1107 * - cursor shapes other than block
1111 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1112 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1113 if (attr
& ATTR_REVERSE
) {
1118 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1120 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1122 if (attr
& TATTR_ACTCURS
) {
1127 if (lattr
!= LATTR_NORM
) {
1131 if (x
+ len
*2 > cols
)
1132 len
= (cols
-x
)/2; /* trim to LH half */
1135 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1136 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1137 x
*inst
->font_width
+cfg
.window_border
,
1138 y
*inst
->font_height
+cfg
.window_border
,
1139 len
*inst
->font_width
, inst
->font_height
);
1141 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1142 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
1143 x
*inst
->font_width
+cfg
.window_border
,
1144 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1147 if (attr
& ATTR_UNDER
) {
1148 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1149 if (uheight
>= inst
->font_height
)
1150 uheight
= inst
->font_height
- 1;
1151 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1152 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1153 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1154 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1157 if (lattr
!= LATTR_NORM
) {
1159 * I can't find any plausible StretchBlt equivalent in the
1160 * X server, so I'm going to do this the slow and painful
1161 * way. This will involve repeated calls to
1162 * gdk_draw_pixmap() to stretch the text horizontally. It's
1163 * O(N^2) in time and O(N) in network bandwidth, but you
1164 * try thinking of a better way. :-(
1167 for (i
= 0; i
< len
* inst
->font_width
; i
++) {
1168 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1169 x
*inst
->font_width
+cfg
.window_border
+ 2*i
,
1170 y
*inst
->font_height
+cfg
.window_border
,
1171 x
*inst
->font_width
+cfg
.window_border
+ 2*i
+1,
1172 y
*inst
->font_height
+cfg
.window_border
,
1173 len
* inst
->font_width
- i
, inst
->font_height
);
1176 if (lattr
!= LATTR_WIDE
) {
1178 /* Now stretch vertically, in the same way. */
1179 if (lattr
== LATTR_BOT
)
1183 for (i
= 0; i
< inst
->font_height
; i
+=2) {
1184 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1185 x
*inst
->font_width
+cfg
.window_border
,
1186 y
*inst
->font_height
+cfg
.window_border
+dt
*i
+db
,
1187 x
*inst
->font_width
+cfg
.window_border
,
1188 y
*inst
->font_height
+cfg
.window_border
+dt
*(i
+1),
1189 len
* inst
->font_width
, inst
->font_height
-i
-1);
1195 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1196 x
*inst
->font_width
+cfg
.window_border
,
1197 y
*inst
->font_height
+cfg
.window_border
,
1198 x
*inst
->font_width
+cfg
.window_border
,
1199 y
*inst
->font_height
+cfg
.window_border
,
1200 len
*inst
->font_width
, inst
->font_height
);
1203 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1204 unsigned long attr
, int lattr
)
1207 GdkGC
*gc
= (GdkGC
*)ctx
;
1210 * NYI: cursor shapes other than block
1212 if (attr
& TATTR_PASCURS
) {
1213 attr
&= ~TATTR_PASCURS
;
1217 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1219 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1220 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1221 x
*inst
->font_width
+cfg
.window_border
,
1222 y
*inst
->font_height
+cfg
.window_border
,
1223 len
*inst
->font_width
-1, inst
->font_height
-1);
1224 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1225 x
*inst
->font_width
+cfg
.window_border
,
1226 y
*inst
->font_height
+cfg
.window_border
,
1227 x
*inst
->font_width
+cfg
.window_border
,
1228 y
*inst
->font_height
+cfg
.window_border
,
1229 len
*inst
->font_width
, inst
->font_height
);
1233 GdkCursor
*make_mouse_ptr(int cursor_val
)
1236 * Truly hideous hack: GTK doesn't allow us to set the mouse
1237 * cursor foreground and background colours unless we've _also_
1238 * created our own cursor from bitmaps. Therefore, I need to
1239 * load the `cursor' font and draw glyphs from it on to
1240 * pixmaps, in order to construct my cursors with the fg and bg
1241 * I want. This is a gross hack, but it's more self-contained
1242 * than linking in Xlib to find the X window handle to
1243 * inst->area and calling XRecolorCursor, and it's more
1244 * futureproof than hard-coding the shapes as bitmap arrays.
1246 static GdkFont
*cursor_font
= NULL
;
1247 GdkPixmap
*source
, *mask
;
1249 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1250 GdkColor cbg
= { 0, 0, 0, 0 };
1251 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1252 GdkColor dbg
= { 0, 0, 0, 0 };
1255 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1257 if (cursor_val
== -2) {
1258 gdk_font_unref(cursor_font
);
1262 if (cursor_val
>= 0 && !cursor_font
)
1263 cursor_font
= gdk_font_load("cursor");
1266 * Get the text extent of the cursor in question. We use the
1267 * mask character for this, because it's typically slightly
1268 * bigger than the main character.
1270 if (cursor_val
>= 0) {
1272 text
[0] = (char)cursor_val
+ 1;
1273 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1274 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1280 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1281 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1284 * Draw the mask character on the mask pixmap.
1286 gc
= gdk_gc_new(mask
);
1287 gdk_gc_set_foreground(gc
, &dbg
);
1288 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1289 if (cursor_val
>= 0) {
1291 text
[0] = (char)cursor_val
+ 1;
1292 gdk_gc_set_foreground(gc
, &dfg
);
1293 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1298 * Draw the main character on the source pixmap.
1300 gc
= gdk_gc_new(source
);
1301 gdk_gc_set_foreground(gc
, &dbg
);
1302 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1303 if (cursor_val
>= 0) {
1305 text
[0] = (char)cursor_val
;
1306 gdk_gc_set_foreground(gc
, &dfg
);
1307 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1312 * Create the cursor.
1314 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1319 gdk_pixmap_unref(source
);
1320 gdk_pixmap_unref(mask
);
1325 void modalfatalbox(char *p
, ...)
1328 fprintf(stderr
, "FATAL ERROR: ");
1330 vfprintf(stderr
, p
, ap
);
1332 fputc('\n', stderr
);
1336 char *get_x_display(void)
1338 return gdk_get_display();
1341 int main(int argc
, char **argv
)
1343 extern int pty_master_fd
; /* declared in pty.c */
1344 extern char **pty_argv
; /* declared in pty.c */
1347 gtk_init(&argc
, &argv
);
1349 do_defaults(NULL
, &cfg
);
1351 while (--argc
> 0) {
1353 if (!strcmp(p
, "-fn")) {
1355 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1356 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1358 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1360 if (!strcmp(p
, "-e")) {
1363 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1365 for (i
= 0; i
< argc
; i
++)
1366 pty_argv
[i
] = argv
[i
];
1367 pty_argv
[argc
] = NULL
;
1368 break; /* finished command-line processing */
1370 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1372 if (!strcmp(p
, "-T")) {
1374 strncpy(cfg
.wintitle
, *++argv
, sizeof(cfg
.wintitle
));
1375 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1377 err
= 1, fprintf(stderr
, "pterm: -T expects an argument\n");
1379 if (!strcmp(p
, "-log")) {
1381 strncpy(cfg
.logfilename
, *++argv
, sizeof(cfg
.logfilename
));
1382 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1383 cfg
.logtype
= LGTYP_DEBUG
;
1385 err
= 1, fprintf(stderr
, "pterm: -log expects an argument\n");
1387 if (!strcmp(p
, "-hide")) {
1388 cfg
.hide_mouseptr
= 1;
1390 if (!strcmp(p
, "-ut-")) {
1393 if (!strcmp(p
, "-ls-")) {
1394 cfg
.login_shell
= 0;
1396 if (!strcmp(p
, "-nethack")) {
1397 cfg
.nethack_keypad
= 1;
1399 if (!strcmp(p
, "-sb-")) {
1404 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1405 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1406 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1407 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1409 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1413 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1415 if (cfg
.wintitle
[0])
1416 set_title(cfg
.wintitle
);
1421 * Set up the colour map.
1425 inst
->area
= gtk_drawing_area_new();
1426 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1427 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1428 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1429 if (cfg
.scrollbar
) {
1430 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
1431 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1433 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1434 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1436 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1438 gtk_window_set_policy(GTK_WINDOW(inst
->window
), FALSE
, TRUE
, TRUE
);
1440 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1444 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1445 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1446 geom
.max_width
= geom
.max_height
= -1;
1447 geom
.base_width
= 2*cfg
.window_border
;
1448 geom
.base_height
= 2*cfg
.window_border
;
1449 geom
.width_inc
= inst
->font_width
;
1450 geom
.height_inc
= inst
->font_height
;
1451 geom
.min_aspect
= geom
.max_aspect
= 0;
1452 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1453 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1454 GDK_HINT_RESIZE_INC
);
1457 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1458 GTK_SIGNAL_FUNC(destroy
), inst
);
1459 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1460 GTK_SIGNAL_FUNC(delete_window
), inst
);
1461 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1462 GTK_SIGNAL_FUNC(key_event
), inst
);
1463 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1464 GTK_SIGNAL_FUNC(focus_event
), inst
);
1465 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1466 GTK_SIGNAL_FUNC(focus_event
), inst
);
1467 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1468 GTK_SIGNAL_FUNC(configure_area
), inst
);
1469 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1470 GTK_SIGNAL_FUNC(expose_area
), inst
);
1471 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1472 GTK_SIGNAL_FUNC(button_event
), inst
);
1473 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1474 GTK_SIGNAL_FUNC(button_event
), inst
);
1475 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1476 GTK_SIGNAL_FUNC(motion_event
), inst
);
1477 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1478 GTK_SIGNAL_FUNC(selection_received
), inst
);
1479 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1480 GTK_SIGNAL_FUNC(selection_get
), inst
);
1481 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1482 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1484 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1485 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1486 gtk_timeout_add(20, timer_func
, inst
);
1487 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1488 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1489 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1490 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
1492 gtk_widget_show(inst
->area
);
1494 gtk_widget_show(inst
->sbar
);
1495 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1496 gtk_widget_show(inst
->window
);
1498 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1499 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1500 inst
->blankcursor
= make_mouse_ptr(-1);
1501 make_mouse_ptr(-2); /* clean up cursor font */
1502 inst
->currcursor
= inst
->textcursor
;
1505 back
= &pty_backend
;
1506 back
->init(NULL
, 0, NULL
, 0);
1508 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1511 term_size(cfg
.height
, cfg
.width
, cfg
.savelines
);