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.
18 #include <sys/types.h>
21 #include <gdk/gdkkeysyms.h>
24 #include <X11/Xutil.h>
26 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
30 #define CAT2(x,y) x ## y
31 #define CAT(x,y) CAT2(x,y)
32 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
34 #define NCOLOURS (lenof(((Config *)0)->colours))
37 GtkWidget
*window
, *area
, *sbar
;
39 GtkAdjustment
*sbar_adjust
;
41 GdkFont
*fonts
[2]; /* normal and bold (for now!) */
42 GdkCursor
*rawcursor
, *textcursor
, *blankcursor
, *currcursor
;
43 GdkColor cols
[NCOLOURS
];
45 wchar_t *pastein_data
;
48 int pasteout_data_len
;
49 int font_width
, font_height
;
52 guint term_paste_idle_id
;
53 GdkAtom compound_text_atom
;
56 char wintitle
[sizeof(((Config
*)0)->wintitle
)];
57 char icontitle
[sizeof(((Config
*)0)->wintitle
)];
58 int master_fd
, master_func_id
, exited
;
68 struct gui_data
*inst
;
71 static int send_raw_mouse
;
73 static char *app_name
= "pterm";
75 char *x_get_default(char *key
)
77 return XGetDefault(GDK_DISPLAY(), app_name
, key
);
80 void ldisc_update(void *frontend
, int echo
, int edit
)
83 * This is a stub in pterm. If I ever produce a Unix
84 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
85 * then it will require some termios manoeuvring analogous to
86 * that in the Windows plink.c, but here it's meaningless.
90 int askappend(void *frontend
, char *filename
)
93 * Logging in an xterm-alike is liable to be something you only
94 * do at serious diagnostic need. Hence, I'm going to take the
95 * easy option for now and assume we always want to overwrite
96 * log files. I can always make it properly configurable later.
101 void logevent(void *frontend
, char *string
)
104 * This is not a very helpful function: events are logged
105 * pretty much exclusively by the back end, and our pty back
106 * end is self-contained. So we need do nothing.
110 int font_dimension(void *frontend
, int which
)/* 0 for width, 1 for height */
112 struct gui_data
*inst
= (struct gui_data
*)frontend
;
115 return inst
->font_height
;
117 return inst
->font_width
;
121 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
122 * into a cooked one (SELECT, EXTEND, PASTE).
124 * In Unix, this is not configurable; the X button arrangement is
125 * rock-solid across all applications, everyone has a three-button
126 * mouse or a means of faking it, and there is no need to switch
127 * buttons around at all.
129 Mouse_Button
translate_button(void *frontend
, Mouse_Button button
)
131 /* struct gui_data *inst = (struct gui_data *)frontend; */
133 if (button
== MBT_LEFT
)
135 if (button
== MBT_MIDDLE
)
137 if (button
== MBT_RIGHT
)
139 return 0; /* shouldn't happen */
143 * Minimise or restore the window in response to a server-side
146 void set_iconic(void *frontend
, int iconic
)
149 * GTK 1.2 doesn't know how to do this.
151 #if GTK_CHECK_VERSION(2,0,0)
152 struct gui_data
*inst
= (struct gui_data
*)frontend
;
154 gtk_window_iconify(GTK_WINDOW(inst
->window
));
156 gtk_window_deiconify(GTK_WINDOW(inst
->window
));
161 * Move the window in response to a server-side request.
163 void move_window(void *frontend
, int x
, int y
)
165 struct gui_data
*inst
= (struct gui_data
*)frontend
;
167 * I assume that when the GTK version of this call is available
168 * we should use it. Not sure how it differs from the GDK one,
171 #if GTK_CHECK_VERSION(2,0,0)
172 gtk_window_move(GTK_WINDOW(inst
->window
), x
, y
);
174 gdk_window_move(inst
->window
->window
, x
, y
);
179 * Move the window to the top or bottom of the z-order in response
180 * to a server-side request.
182 void set_zorder(void *frontend
, int top
)
184 struct gui_data
*inst
= (struct gui_data
*)frontend
;
186 gdk_window_raise(inst
->window
->window
);
188 gdk_window_lower(inst
->window
->window
);
192 * Refresh the window in response to a server-side request.
194 void refresh_window(void *frontend
)
196 struct gui_data
*inst
= (struct gui_data
*)frontend
;
197 term_invalidate(inst
->term
);
201 * Maximise or restore the window in response to a server-side
204 void set_zoomed(void *frontend
, int zoomed
)
207 * GTK 1.2 doesn't know how to do this.
209 #if GTK_CHECK_VERSION(2,0,0)
210 struct gui_data
*inst
= (struct gui_data
*)frontend
;
212 gtk_window_maximize(GTK_WINDOW(inst
->window
));
214 gtk_window_unmaximize(GTK_WINDOW(inst
->window
));
219 * Report whether the window is iconic, for terminal reports.
221 int is_iconic(void *frontend
)
223 struct gui_data
*inst
= (struct gui_data
*)frontend
;
224 return !gdk_window_is_viewable(inst
->window
->window
);
228 * Report the window's position, for terminal reports.
230 void get_window_pos(void *frontend
, int *x
, int *y
)
232 struct gui_data
*inst
= (struct gui_data
*)frontend
;
234 * I assume that when the GTK version of this call is available
235 * we should use it. Not sure how it differs from the GDK one,
238 #if GTK_CHECK_VERSION(2,0,0)
239 gtk_window_get_position(GTK_WINDOW(inst
->window
), x
, y
);
241 gdk_window_get_position(inst
->window
->window
, x
, y
);
246 * Report the window's pixel size, for terminal reports.
248 void get_window_pixels(void *frontend
, int *x
, int *y
)
250 struct gui_data
*inst
= (struct gui_data
*)frontend
;
252 * I assume that when the GTK version of this call is available
253 * we should use it. Not sure how it differs from the GDK one,
256 #if GTK_CHECK_VERSION(2,0,0)
257 gtk_window_get_size(GTK_WINDOW(inst
->window
), x
, y
);
259 gdk_window_get_size(inst
->window
->window
, x
, y
);
264 * Return the window or icon title.
266 char *get_window_title(void *frontend
, int icon
)
268 struct gui_data
*inst
= (struct gui_data
*)frontend
;
269 return icon ? inst
->wintitle
: inst
->icontitle
;
272 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
275 * We could implement warn-on-close here if we really wanted
281 static void show_mouseptr(struct gui_data
*inst
, int show
)
283 if (!cfg
.hide_mouseptr
)
286 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
288 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
289 inst
->mouseptr_visible
= show
;
292 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
294 struct gui_data
*inst
= (struct gui_data
*)data
;
295 int w
, h
, need_size
= 0;
297 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
298 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
300 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
302 gdk_pixmap_unref(inst
->pixmap
);
312 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
313 (cfg
.width
* inst
->font_width
+
314 2*cfg
.window_border
),
315 (cfg
.height
* inst
->font_height
+
316 2*cfg
.window_border
), -1);
318 gc
= gdk_gc_new(inst
->area
->window
);
319 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
320 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
321 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
322 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
327 term_size(inst
->term
, h
, w
, cfg
.savelines
);
333 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
335 struct gui_data
*inst
= (struct gui_data
*)data
;
338 * Pass the exposed rectangle to terminal.c, which will call us
339 * back to do the actual painting.
342 gdk_draw_pixmap(widget
->window
,
343 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
345 event
->area
.x
, event
->area
.y
,
346 event
->area
.x
, event
->area
.y
,
347 event
->area
.width
, event
->area
.height
);
352 #define KEY_PRESSED(k) \
353 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
355 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
357 struct gui_data
*inst
= (struct gui_data
*)data
;
361 /* By default, nothing is generated. */
365 * If Alt is being released after typing an Alt+numberpad
366 * sequence, we should generate the code that was typed.
368 * Note that we only do this if more than one key was actually
369 * pressed - I don't think Alt+NumPad4 should be ^D or that
370 * Alt+NumPad3 should be ^C, for example. There's no serious
371 * inconvenience in having to type a zero before a single-digit
374 if (event
->type
== GDK_KEY_RELEASE
&&
375 (event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
376 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
) &&
377 inst
->alt_keycode
>= 0 && inst
->alt_digits
> 1) {
379 printf("Alt key up, keycode = %d\n", inst
->alt_keycode
);
381 output
[0] = inst
->alt_keycode
;
386 if (event
->type
== GDK_KEY_PRESS
) {
390 printf("keypress: keyval = %04x, state = %08x; string =",
391 event
->keyval
, event
->state
);
392 for (i
= 0; event
->string
[i
]; i
++)
393 printf(" %02x", (unsigned char) event
->string
[i
]);
399 * NYI: Compose key (!!! requires Unicode faff before even trying)
403 * If Alt has just been pressed, we start potentially
404 * accumulating an Alt+numberpad code. We do this by
405 * setting alt_keycode to -1 (nothing yet but plausible).
407 if ((event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
408 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
)) {
409 inst
->alt_keycode
= -1;
410 inst
->alt_digits
= 0;
411 goto done
; /* this generates nothing else */
415 * If we're seeing a numberpad key press with Mod1 down,
416 * consider adding it to alt_keycode if that's sensible.
417 * Anything _else_ with Mod1 down cancels any possibility
418 * of an ALT keycode: we set alt_keycode to -2.
420 if ((event
->state
& GDK_MOD1_MASK
) && inst
->alt_keycode
!= -2) {
422 switch (event
->keyval
) {
423 case GDK_KP_0
: case GDK_KP_Insert
: digit
= 0; break;
424 case GDK_KP_1
: case GDK_KP_End
: digit
= 1; break;
425 case GDK_KP_2
: case GDK_KP_Down
: digit
= 2; break;
426 case GDK_KP_3
: case GDK_KP_Page_Down
: digit
= 3; break;
427 case GDK_KP_4
: case GDK_KP_Left
: digit
= 4; break;
428 case GDK_KP_5
: case GDK_KP_Begin
: digit
= 5; break;
429 case GDK_KP_6
: case GDK_KP_Right
: digit
= 6; break;
430 case GDK_KP_7
: case GDK_KP_Home
: digit
= 7; break;
431 case GDK_KP_8
: case GDK_KP_Up
: digit
= 8; break;
432 case GDK_KP_9
: case GDK_KP_Page_Up
: digit
= 9; break;
435 inst
->alt_keycode
= -2; /* it's invalid */
438 printf("Adding digit %d to keycode %d", digit
,
441 if (inst
->alt_keycode
== -1)
442 inst
->alt_keycode
= digit
; /* one-digit code */
444 inst
->alt_keycode
= inst
->alt_keycode
* 10 + digit
;
447 printf(" gives new code %d\n", inst
->alt_keycode
);
449 /* Having used this digit, we now do nothing more with it. */
455 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
458 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
459 term_scroll(inst
->term
, 0, -cfg
.height
/2);
462 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
463 term_scroll(inst
->term
, 0, +cfg
.height
/2);
468 * Neither does Shift-Ins.
470 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
475 /* ALT+things gives leading Escape. */
477 strncpy(output
+1, event
->string
, 31);
479 end
= strlen(output
);
480 if (event
->state
& GDK_MOD1_MASK
) {
482 if (end
== 1) end
= 0;
486 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
487 if (!event
->string
[0] && event
->keyval
== '`' &&
488 (event
->state
& GDK_CONTROL_MASK
)) {
493 /* Control-Break is the same as Control-C */
494 if (event
->keyval
== GDK_Break
&&
495 (event
->state
& GDK_CONTROL_MASK
)) {
500 /* Control-2, Control-Space and Control-@ are NUL */
501 if (!event
->string
[0] &&
502 (event
->keyval
== ' ' || event
->keyval
== '2' ||
503 event
->keyval
== '@') &&
504 (event
->state
& (GDK_SHIFT_MASK
|
505 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
510 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
511 if (!event
->string
[0] && event
->keyval
== ' ' &&
512 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
513 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
518 /* We don't let GTK tell us what Backspace is! We know better. */
519 if (event
->keyval
== GDK_BackSpace
&&
520 !(event
->state
& GDK_SHIFT_MASK
)) {
521 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
524 /* For Shift Backspace, do opposite of what is configured. */
525 if (event
->keyval
== GDK_BackSpace
&&
526 (event
->state
& GDK_SHIFT_MASK
)) {
527 output
[1] = cfg
.bksp_is_delete ?
'\x08' : '\x7F';
531 /* Shift-Tab is ESC [ Z */
532 if (event
->keyval
== GDK_ISO_Left_Tab
||
533 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
534 end
= 1 + sprintf(output
+1, "\033[Z");
538 * NetHack keypad mode.
540 if (cfg
.nethack_keypad
) {
542 switch (event
->keyval
) {
543 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
544 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
545 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
546 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
547 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
548 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
549 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
550 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
551 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
555 if (event
->state
& GDK_SHIFT_MASK
)
564 * Application keypad mode.
566 if (inst
->term
->app_keypad_keys
&& !cfg
.no_applic_k
) {
568 switch (event
->keyval
) {
569 case GDK_Num_Lock
: xkey
= 'P'; break;
570 case GDK_KP_Divide
: xkey
= 'Q'; break;
571 case GDK_KP_Multiply
: xkey
= 'R'; break;
572 case GDK_KP_Subtract
: xkey
= 'S'; break;
574 * Keypad + is tricky. It covers a space that would
575 * be taken up on the VT100 by _two_ keys; so we
576 * let Shift select between the two. Worse still,
577 * in xterm function key mode we change which two...
580 if (cfg
.funky_type
== 2) {
581 if (event
->state
& GDK_SHIFT_MASK
)
585 } else if (event
->state
& GDK_SHIFT_MASK
)
590 case GDK_KP_Enter
: xkey
= 'M'; break;
591 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
592 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
593 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
594 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
595 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
596 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
597 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
598 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
599 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
600 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
601 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
604 if (inst
->term
->vt52_mode
) {
605 if (xkey
>= 'P' && xkey
<= 'S')
606 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
608 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
610 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
616 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
617 * for integer decimal nn.)
619 * We also deal with the weird ones here. Linux VCs replace F1
620 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
621 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
626 switch (event
->keyval
) {
628 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
631 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
634 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
637 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
640 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
643 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
646 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
649 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
652 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
655 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
688 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
689 case GDK_Home
: case GDK_KP_Home
:
692 case GDK_Insert
: case GDK_KP_Insert
:
695 case GDK_Delete
: case GDK_KP_Delete
:
698 case GDK_End
: case GDK_KP_End
:
701 case GDK_Page_Up
: case GDK_KP_Page_Up
:
704 case GDK_Page_Down
: case GDK_KP_Page_Down
:
708 /* Reorder edit keys to physical order */
709 if (cfg
.funky_type
== 3 && code
<= 6)
710 code
= "\0\2\1\4\5\3\6"[code
];
712 if (inst
->term
->vt52_mode
&& code
> 0 && code
<= 6) {
713 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
717 if (cfg
.funky_type
== 5 && /* SCO function keys */
718 code
>= 11 && code
<= 34) {
719 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
721 switch (event
->keyval
) {
722 case GDK_F1
: index
= 0; break;
723 case GDK_F2
: index
= 1; break;
724 case GDK_F3
: index
= 2; break;
725 case GDK_F4
: index
= 3; break;
726 case GDK_F5
: index
= 4; break;
727 case GDK_F6
: index
= 5; break;
728 case GDK_F7
: index
= 6; break;
729 case GDK_F8
: index
= 7; break;
730 case GDK_F9
: index
= 8; break;
731 case GDK_F10
: index
= 9; break;
732 case GDK_F11
: index
= 10; break;
733 case GDK_F12
: index
= 11; break;
735 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
736 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
737 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
740 if (cfg
.funky_type
== 5 && /* SCO small keypad */
741 code
>= 1 && code
<= 6) {
742 char codes
[] = "HL.FIG";
747 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
751 if ((inst
->term
->vt52_mode
|| cfg
.funky_type
== 4) &&
752 code
>= 11 && code
<= 24) {
758 if (inst
->term
->vt52_mode
)
759 end
= 1 + sprintf(output
+1,
760 "\x1B%c", code
+ 'P' - 11 - offt
);
762 end
= 1 + sprintf(output
+1,
763 "\x1BO%c", code
+ 'P' - 11 - offt
);
766 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
767 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
770 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
771 if (inst
->term
->vt52_mode
)
772 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
774 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
777 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
778 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
782 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
788 * Cursor keys. (This includes the numberpad cursor keys,
789 * if we haven't already done them due to app keypad mode.)
791 * Here we also process un-numlocked un-appkeypadded KP5,
792 * which sends ESC [ G.
796 switch (event
->keyval
) {
797 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
798 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
799 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
800 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
801 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
805 * The arrow keys normally do ESC [ A and so on. In
806 * app cursor keys mode they do ESC O A instead.
807 * Ctrl toggles the two modes.
809 if (inst
->term
->vt52_mode
) {
810 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
811 } else if (!inst
->term
->app_cursor_keys
^
812 !(event
->state
& GDK_CONTROL_MASK
)) {
813 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
815 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
828 printf("generating sequence:");
829 for (i
= start
; i
< end
; i
++)
830 printf(" %02x", (unsigned char) output
[i
]);
834 ldisc_send(inst
->ldisc
, output
+start
, end
-start
, 1);
835 show_mouseptr(inst
, 0);
836 term_seen_key_event(inst
->term
);
837 term_out(inst
->term
);
843 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
845 struct gui_data
*inst
= (struct gui_data
*)data
;
846 int shift
, ctrl
, alt
, x
, y
, button
, act
;
848 show_mouseptr(inst
, 1);
850 if (event
->button
== 4 && event
->type
== GDK_BUTTON_PRESS
) {
851 term_scroll(inst
->term
, 0, -5);
854 if (event
->button
== 5 && event
->type
== GDK_BUTTON_PRESS
) {
855 term_scroll(inst
->term
, 0, +5);
859 shift
= event
->state
& GDK_SHIFT_MASK
;
860 ctrl
= event
->state
& GDK_CONTROL_MASK
;
861 alt
= event
->state
& GDK_MOD1_MASK
;
862 if (event
->button
== 1)
864 else if (event
->button
== 2)
866 else if (event
->button
== 3)
869 return FALSE
; /* don't even know what button! */
871 switch (event
->type
) {
872 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
873 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
874 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
875 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
876 default: return FALSE
; /* don't know this event type */
879 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
880 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
881 return TRUE
; /* we ignore these in raw mouse mode */
883 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
884 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
886 term_mouse(inst
->term
, button
, act
, x
, y
, shift
, ctrl
, alt
);
891 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
893 struct gui_data
*inst
= (struct gui_data
*)data
;
894 int shift
, ctrl
, alt
, x
, y
, button
;
896 show_mouseptr(inst
, 1);
898 shift
= event
->state
& GDK_SHIFT_MASK
;
899 ctrl
= event
->state
& GDK_CONTROL_MASK
;
900 alt
= event
->state
& GDK_MOD1_MASK
;
901 if (event
->state
& GDK_BUTTON1_MASK
)
903 else if (event
->state
& GDK_BUTTON2_MASK
)
905 else if (event
->state
& GDK_BUTTON3_MASK
)
908 return FALSE
; /* don't even know what button! */
910 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
911 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
913 term_mouse(inst
->term
, button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
918 void done_with_pty(struct gui_data
*inst
)
920 extern void pty_close(void);
922 if (inst
->master_fd
>= 0) {
924 inst
->master_fd
= -1;
925 gtk_input_remove(inst
->master_func_id
);
928 if (!inst
->exited
&& inst
->back
->exitcode(inst
->backhandle
) >= 0) {
929 int exitcode
= inst
->back
->exitcode(inst
->backhandle
);
932 clean
= WIFEXITED(exitcode
) && (WEXITSTATUS(exitcode
) == 0);
935 * Terminate now, if the Close On Exit setting is
938 if (cfg
.close_on_exit
== COE_ALWAYS
||
939 (cfg
.close_on_exit
== COE_NORMAL
&& clean
))
943 * Otherwise, output an indication that the session has
948 if (WIFEXITED(exitcode
))
949 sprintf(message
, "\r\n[pterm: process terminated with exit"
950 " code %d]\r\n", WEXITSTATUS(exitcode
));
951 else if (WIFSIGNALED(exitcode
))
952 #ifdef HAVE_NO_STRSIGNAL
953 sprintf(message
, "\r\n[pterm: process terminated on signal"
954 " %d]\r\n", WTERMSIG(exitcode
));
956 sprintf(message
, "\r\n[pterm: process terminated on signal"
957 " %d (%.400s)]\r\n", WTERMSIG(exitcode
),
958 strsignal(WTERMSIG(exitcode
)));
960 from_backend((void *)inst
->term
, 0, message
, strlen(message
));
966 void frontend_keypress(void *handle
)
968 struct gui_data
*inst
= (struct gui_data
*)handle
;
971 * If our child process has exited but not closed, terminate on
978 gint
timer_func(gpointer data
)
980 struct gui_data
*inst
= (struct gui_data
*)data
;
982 if (inst
->back
->exitcode(inst
->backhandle
) >= 0) {
984 * The primary child process died. We could keep the
985 * terminal open for remaining subprocesses to output to,
986 * but conventional wisdom seems to feel that that's the
987 * Wrong Thing for an xterm-alike, so we bail out now
988 * (though we don't necessarily _close_ the window,
989 * depending on the state of Close On Exit). This would be
990 * easy enough to change or make configurable if necessary.
995 term_update(inst
->term
);
996 term_blink(inst
->term
, 0);
1000 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
1002 struct gui_data
*inst
= (struct gui_data
*)data
;
1006 ret
= read(sourcefd
, buf
, sizeof(buf
));
1009 * Clean termination condition is that either ret == 0, or ret
1010 * < 0 and errno == EIO. Not sure why the latter, but it seems
1013 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
1014 done_with_pty(inst
);
1015 } else if (ret
< 0) {
1016 perror("read pty master");
1019 from_backend(inst
->term
, 0, buf
, ret
);
1020 term_blink(inst
->term
, 1);
1021 term_out(inst
->term
);
1024 void destroy(GtkWidget
*widget
, gpointer data
)
1029 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
1031 struct gui_data
*inst
= (struct gui_data
*)data
;
1032 inst
->term
->has_focus
= event
->in
;
1033 term_out(inst
->term
);
1034 term_update(inst
->term
);
1035 show_mouseptr(inst
, 1);
1040 * set or clear the "raw mouse message" mode
1042 void set_raw_mouse_mode(void *frontend
, int activate
)
1044 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1045 activate
= activate
&& !cfg
.no_mouse_rep
;
1046 send_raw_mouse
= activate
;
1048 inst
->currcursor
= inst
->rawcursor
;
1050 inst
->currcursor
= inst
->textcursor
;
1051 show_mouseptr(inst
, inst
->mouseptr_visible
);
1054 void request_resize(void *frontend
, int w
, int h
)
1056 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1057 int large_x
, large_y
;
1058 int offset_x
, offset_y
;
1060 GtkRequisition inner
, outer
;
1063 * This is a heinous hack dreamed up by the gnome-terminal
1064 * people to get around a limitation in gtk. The problem is
1065 * that in order to set the size correctly we really need to be
1066 * calling gtk_window_resize - but that needs to know the size
1067 * of the _whole window_, not the drawing area. So what we do
1068 * is to set an artificially huge size request on the drawing
1069 * area, recompute the resulting size request on the window,
1070 * and look at the difference between the two. That gives us
1071 * the x and y offsets we need to translate drawing area size
1072 * into window size for real, and then we call
1073 * gtk_window_resize.
1077 * We start by retrieving the current size of the whole window.
1078 * Adding a bit to _that_ will give us a value we can use as a
1079 * bogus size request which guarantees to be bigger than the
1080 * current size of the drawing area.
1082 get_window_pixels(inst
, &large_x
, &large_y
);
1086 #if GTK_CHECK_VERSION(2,0,0)
1087 gtk_widget_set_size_request(inst
->area
, large_x
, large_y
);
1089 gtk_widget_set_usize(inst
->area
, large_x
, large_y
);
1091 gtk_widget_size_request(inst
->area
, &inner
);
1092 gtk_widget_size_request(inst
->window
, &outer
);
1094 offset_x
= outer
.width
- inner
.width
;
1095 offset_y
= outer
.height
- inner
.height
;
1097 area_x
= inst
->font_width
* w
+ 2*cfg
.window_border
;
1098 area_y
= inst
->font_height
* h
+ 2*cfg
.window_border
;
1101 * Now we must set the size request on the drawing area back to
1102 * something sensible before we commit the real resize. Best
1103 * way to do this, I think, is to set it to what the size is
1104 * really going to end up being.
1106 #if GTK_CHECK_VERSION(2,0,0)
1107 gtk_widget_set_size_request(inst
->area
, area_x
, area_y
);
1109 gtk_widget_set_usize(inst
->area
, area_x
, area_y
);
1112 #if GTK_CHECK_VERSION(2,0,0)
1113 gtk_window_resize(GTK_WINDOW(inst
->window
),
1114 area_x
+ offset_x
, area_y
+ offset_y
);
1116 gdk_window_resize(inst
->window
->window
,
1117 area_x
+ offset_x
, area_y
+ offset_y
);
1121 static void real_palette_set(struct gui_data
*inst
, int n
, int r
, int g
, int b
)
1123 gboolean success
[1];
1125 inst
->cols
[n
].red
= r
* 0x0101;
1126 inst
->cols
[n
].green
= g
* 0x0101;
1127 inst
->cols
[n
].blue
= b
* 0x0101;
1129 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
1130 FALSE
, FALSE
, success
);
1132 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1136 void set_window_background(struct gui_data
*inst
)
1138 if (inst
->area
&& inst
->area
->window
)
1139 gdk_window_set_background(inst
->area
->window
, &inst
->cols
[18]);
1140 if (inst
->window
&& inst
->window
->window
)
1141 gdk_window_set_background(inst
->window
->window
, &inst
->cols
[18]);
1144 void palette_set(void *frontend
, int n
, int r
, int g
, int b
)
1146 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1147 static const int first
[21] = {
1148 0, 2, 4, 6, 8, 10, 12, 14,
1149 1, 3, 5, 7, 9, 11, 13, 15,
1152 real_palette_set(inst
, first
[n
], r
, g
, b
);
1154 real_palette_set(inst
, first
[n
] + 1, r
, g
, b
);
1156 set_window_background(inst
);
1159 void palette_reset(void *frontend
)
1161 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1162 /* This maps colour indices in cfg to those used in inst->cols. */
1163 static const int ww
[] = {
1164 6, 7, 8, 9, 10, 11, 12, 13,
1165 14, 15, 16, 17, 18, 19, 20, 21,
1168 gboolean success
[NCOLOURS
];
1171 assert(lenof(ww
) == NCOLOURS
);
1173 if (!inst
->colmap
) {
1174 inst
->colmap
= gdk_colormap_get_system();
1176 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
1179 for (i
= 0; i
< NCOLOURS
; i
++) {
1180 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
1181 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
1182 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
1185 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
1186 FALSE
, FALSE
, success
);
1187 for (i
= 0; i
< NCOLOURS
; i
++) {
1189 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1190 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
1193 set_window_background(inst
);
1196 void write_clip(void *frontend
, wchar_t * data
, int len
, int must_deselect
)
1198 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1199 if (inst
->pasteout_data
)
1200 sfree(inst
->pasteout_data
);
1201 inst
->pasteout_data
= smalloc(len
);
1202 inst
->pasteout_data_len
= len
;
1203 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
1206 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
1207 GDK_CURRENT_TIME
)) {
1208 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1209 GDK_SELECTION_TYPE_STRING
, 1);
1210 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1211 inst
->compound_text_atom
, 1);
1215 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1216 guint info
, guint time_stamp
, gpointer data
)
1218 struct gui_data
*inst
= (struct gui_data
*)data
;
1219 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
1220 inst
->pasteout_data
, inst
->pasteout_data_len
);
1223 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1226 struct gui_data
*inst
= (struct gui_data
*)data
;
1227 term_deselect(inst
->term
);
1228 if (inst
->pasteout_data
)
1229 sfree(inst
->pasteout_data
);
1230 inst
->pasteout_data
= NULL
;
1231 inst
->pasteout_data_len
= 0;
1235 void request_paste(void *frontend
)
1237 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1239 * In Unix, pasting is asynchronous: all we can do at the
1240 * moment is to call gtk_selection_convert(), and when the data
1241 * comes back _then_ we can call term_do_paste().
1243 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1244 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
1247 gint
idle_paste_func(gpointer data
); /* forward ref */
1249 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1250 guint time
, gpointer data
)
1252 struct gui_data
*inst
= (struct gui_data
*)data
;
1254 if (seldata
->length
<= 0 ||
1255 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
1256 return; /* Nothing happens. */
1258 if (inst
->pastein_data
)
1259 sfree(inst
->pastein_data
);
1261 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
1262 inst
->pastein_data_len
= seldata
->length
;
1263 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
1264 inst
->pastein_data
, inst
->pastein_data_len
);
1266 term_do_paste(inst
->term
);
1268 if (term_paste_pending(inst
->term
))
1269 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
1272 gint
idle_paste_func(gpointer data
)
1274 struct gui_data
*inst
= (struct gui_data
*)data
;
1276 if (term_paste_pending(inst
->term
))
1277 term_paste(inst
->term
);
1279 gtk_idle_remove(inst
->term_paste_idle_id
);
1285 void get_clip(void *frontend
, wchar_t ** p
, int *len
)
1287 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1290 *p
= inst
->pastein_data
;
1291 *len
= inst
->pastein_data_len
;
1295 void set_title(void *frontend
, char *title
)
1297 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1298 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1299 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1300 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1303 void set_icon(void *frontend
, char *title
)
1305 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1306 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1307 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1308 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1311 void set_sbar(void *frontend
, int total
, int start
, int page
)
1313 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1316 inst
->sbar_adjust
->lower
= 0;
1317 inst
->sbar_adjust
->upper
= total
;
1318 inst
->sbar_adjust
->value
= start
;
1319 inst
->sbar_adjust
->page_size
= page
;
1320 inst
->sbar_adjust
->step_increment
= 1;
1321 inst
->sbar_adjust
->page_increment
= page
/2;
1322 inst
->ignore_sbar
= TRUE
;
1323 gtk_adjustment_changed(inst
->sbar_adjust
);
1324 inst
->ignore_sbar
= FALSE
;
1327 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1329 struct gui_data
*inst
= (struct gui_data
*)data
;
1333 if (!inst
->ignore_sbar
)
1334 term_scroll(inst
->term
, 1, (int)adj
->value
);
1337 void sys_cursor(void *frontend
, int x
, int y
)
1340 * This is meaningless under X.
1345 * This is still called when mode==BELL_VISUAL, even though the
1346 * visual bell is handled entirely within terminal.c, because we
1347 * may want to perform additional actions on any kind of bell (for
1348 * example, taskbar flashing in Windows).
1350 void beep(void *frontend
, int mode
)
1352 if (mode
!= BELL_VISUAL
)
1356 int char_width(Context ctx
, int uc
)
1359 * Under X, any fixed-width font really _is_ fixed-width.
1360 * Double-width characters will be dealt with using a separate
1361 * font. For the moment we can simply return 1.
1366 Context
get_ctx(void *frontend
)
1368 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1369 struct draw_ctx
*dctx
;
1371 if (!inst
->area
->window
)
1374 dctx
= smalloc(sizeof(*dctx
));
1376 dctx
->gc
= gdk_gc_new(inst
->area
->window
);
1380 void free_ctx(Context ctx
)
1382 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1383 /* struct gui_data *inst = dctx->inst; */
1384 GdkGC
*gc
= dctx
->gc
;
1390 * Draw a line of text in the window, at given character
1391 * coordinates, in given attributes.
1393 * We are allowed to fiddle with the contents of `text'.
1395 void do_text_internal(Context ctx
, int x
, int y
, char *text
, int len
,
1396 unsigned long attr
, int lattr
)
1398 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1399 struct gui_data
*inst
= dctx
->inst
;
1400 GdkGC
*gc
= dctx
->gc
;
1402 int nfg
, nbg
, t
, fontid
, shadow
, rlen
;
1406 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1409 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1410 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1411 if (attr
& ATTR_REVERSE
) {
1416 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1418 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1420 if (attr
& TATTR_ACTCURS
) {
1425 fontid
= shadow
= 0;
1426 if ((attr
& ATTR_BOLD
) && !cfg
.bold_colour
) {
1433 if (lattr
!= LATTR_NORM
) {
1435 if (x
>= inst
->term
->cols
)
1437 if (x
+ len
*2 > inst
->term
->cols
)
1438 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1446 r
.x
= x
*inst
->font_width
+cfg
.window_border
;
1447 r
.y
= y
*inst
->font_height
+cfg
.window_border
;
1448 r
.width
= rlen
*inst
->font_width
;
1449 r
.height
= inst
->font_height
;
1450 gdk_gc_set_clip_rectangle(gc
, &r
);
1453 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1454 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1455 x
*inst
->font_width
+cfg
.window_border
,
1456 y
*inst
->font_height
+cfg
.window_border
,
1457 rlen
*inst
->font_width
, inst
->font_height
);
1459 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1460 gdk_draw_text(inst
->pixmap
, inst
->fonts
[fontid
], gc
,
1461 x
*inst
->font_width
+cfg
.window_border
,
1462 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1466 gdk_draw_text(inst
->pixmap
, inst
->fonts
[fontid
], gc
,
1467 x
*inst
->font_width
+cfg
.window_border
+ cfg
.shadowboldoffset
,
1468 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1472 if (attr
& ATTR_UNDER
) {
1473 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1474 if (uheight
>= inst
->font_height
)
1475 uheight
= inst
->font_height
- 1;
1476 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1477 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1478 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1479 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1482 if (lattr
!= LATTR_NORM
) {
1484 * I can't find any plausible StretchBlt equivalent in the
1485 * X server, so I'm going to do this the slow and painful
1486 * way. This will involve repeated calls to
1487 * gdk_draw_pixmap() to stretch the text horizontally. It's
1488 * O(N^2) in time and O(N) in network bandwidth, but you
1489 * try thinking of a better way. :-(
1492 for (i
= 0; i
< len
* inst
->font_width
; i
++) {
1493 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1494 x
*inst
->font_width
+cfg
.window_border
+ 2*i
,
1495 y
*inst
->font_height
+cfg
.window_border
,
1496 x
*inst
->font_width
+cfg
.window_border
+ 2*i
+1,
1497 y
*inst
->font_height
+cfg
.window_border
,
1498 len
* inst
->font_width
- i
, inst
->font_height
);
1501 if (lattr
!= LATTR_WIDE
) {
1503 /* Now stretch vertically, in the same way. */
1504 if (lattr
== LATTR_BOT
)
1508 for (i
= 0; i
< inst
->font_height
; i
+=2) {
1509 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1510 x
*inst
->font_width
+cfg
.window_border
,
1511 y
*inst
->font_height
+cfg
.window_border
+dt
*i
+db
,
1512 x
*inst
->font_width
+cfg
.window_border
,
1513 y
*inst
->font_height
+cfg
.window_border
+dt
*(i
+1),
1514 len
* inst
->font_width
, inst
->font_height
-i
-1);
1520 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1521 unsigned long attr
, int lattr
)
1523 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1524 struct gui_data
*inst
= dctx
->inst
;
1525 GdkGC
*gc
= dctx
->gc
;
1527 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
1529 if (lattr
!= LATTR_NORM
) {
1531 if (x
>= inst
->term
->cols
)
1533 if (x
+ len
*2 > inst
->term
->cols
)
1534 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1538 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1539 x
*inst
->font_width
+cfg
.window_border
,
1540 y
*inst
->font_height
+cfg
.window_border
,
1541 x
*inst
->font_width
+cfg
.window_border
,
1542 y
*inst
->font_height
+cfg
.window_border
,
1543 len
*inst
->font_width
, inst
->font_height
);
1546 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1547 unsigned long attr
, int lattr
)
1549 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1550 struct gui_data
*inst
= dctx
->inst
;
1551 GdkGC
*gc
= dctx
->gc
;
1555 if (attr
& TATTR_PASCURS
) {
1556 attr
&= ~TATTR_PASCURS
;
1560 if ((attr
& TATTR_ACTCURS
) && cfg
.cursor_type
!= 0) {
1561 attr
&= ~TATTR_ACTCURS
;
1563 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
1565 if (lattr
!= LATTR_NORM
) {
1567 if (x
>= inst
->term
->cols
)
1569 if (x
+ len
*2 > inst
->term
->cols
)
1570 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1574 if (cfg
.cursor_type
== 0) {
1576 * An active block cursor will already have been done by
1577 * the above do_text call, so we only need to do anything
1581 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1582 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1583 x
*inst
->font_width
+cfg
.window_border
,
1584 y
*inst
->font_height
+cfg
.window_border
,
1585 len
*inst
->font_width
-1, inst
->font_height
-1);
1589 int startx
, starty
, dx
, dy
, length
, i
;
1593 if ((attr
& ATTR_WIDE
) || lattr
!= LATTR_NORM
)
1594 char_width
= 2*inst
->font_width
;
1596 char_width
= inst
->font_width
;
1598 if (cfg
.cursor_type
== 1) {
1599 uheight
= inst
->fonts
[0]->ascent
+ 1;
1600 if (uheight
>= inst
->font_height
)
1601 uheight
= inst
->font_height
- 1;
1603 startx
= x
* inst
->font_width
+ cfg
.window_border
;
1604 starty
= y
* inst
->font_height
+ cfg
.window_border
+ uheight
;
1607 length
= len
* char_width
;
1610 if (attr
& TATTR_RIGHTCURS
)
1611 xadjust
= char_width
- 1;
1612 startx
= x
* inst
->font_width
+ cfg
.window_border
+ xadjust
;
1613 starty
= y
* inst
->font_height
+ cfg
.window_border
;
1616 length
= inst
->font_height
;
1619 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1621 for (i
= 0; i
< length
; i
++) {
1623 gdk_draw_point(inst
->pixmap
, gc
, startx
, starty
);
1629 gdk_draw_line(inst
->pixmap
, gc
, startx
, starty
,
1630 startx
+ (length
-1) * dx
, starty
+ (length
-1) * dy
);
1634 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1635 x
*inst
->font_width
+cfg
.window_border
,
1636 y
*inst
->font_height
+cfg
.window_border
,
1637 x
*inst
->font_width
+cfg
.window_border
,
1638 y
*inst
->font_height
+cfg
.window_border
,
1639 len
*inst
->font_width
, inst
->font_height
);
1642 GdkCursor
*make_mouse_ptr(struct gui_data
*inst
, int cursor_val
)
1645 * Truly hideous hack: GTK doesn't allow us to set the mouse
1646 * cursor foreground and background colours unless we've _also_
1647 * created our own cursor from bitmaps. Therefore, I need to
1648 * load the `cursor' font and draw glyphs from it on to
1649 * pixmaps, in order to construct my cursors with the fg and bg
1650 * I want. This is a gross hack, but it's more self-contained
1651 * than linking in Xlib to find the X window handle to
1652 * inst->area and calling XRecolorCursor, and it's more
1653 * futureproof than hard-coding the shapes as bitmap arrays.
1655 static GdkFont
*cursor_font
= NULL
;
1656 GdkPixmap
*source
, *mask
;
1658 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1659 GdkColor cbg
= { 0, 0, 0, 0 };
1660 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1661 GdkColor dbg
= { 0, 0, 0, 0 };
1664 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1666 if (cursor_val
== -2) {
1667 gdk_font_unref(cursor_font
);
1671 if (cursor_val
>= 0 && !cursor_font
)
1672 cursor_font
= gdk_font_load("cursor");
1675 * Get the text extent of the cursor in question. We use the
1676 * mask character for this, because it's typically slightly
1677 * bigger than the main character.
1679 if (cursor_val
>= 0) {
1681 text
[0] = (char)cursor_val
+ 1;
1682 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1683 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1689 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1690 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1693 * Draw the mask character on the mask pixmap.
1695 gc
= gdk_gc_new(mask
);
1696 gdk_gc_set_foreground(gc
, &dbg
);
1697 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1698 if (cursor_val
>= 0) {
1700 text
[0] = (char)cursor_val
+ 1;
1701 gdk_gc_set_foreground(gc
, &dfg
);
1702 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1707 * Draw the main character on the source pixmap.
1709 gc
= gdk_gc_new(source
);
1710 gdk_gc_set_foreground(gc
, &dbg
);
1711 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1712 if (cursor_val
>= 0) {
1714 text
[0] = (char)cursor_val
;
1715 gdk_gc_set_foreground(gc
, &dfg
);
1716 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1721 * Create the cursor.
1723 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1728 gdk_pixmap_unref(source
);
1729 gdk_pixmap_unref(mask
);
1734 void modalfatalbox(char *p
, ...)
1737 fprintf(stderr
, "FATAL ERROR: ");
1739 vfprintf(stderr
, p
, ap
);
1741 fputc('\n', stderr
);
1745 char *get_x_display(void *frontend
)
1747 return gdk_get_display();
1750 static void help(FILE *fp
) {
1752 "pterm option summary:\n"
1754 " --display DISPLAY Specify X display to use (note '--')\n"
1755 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
1756 " -fn FONT Normal text font\n"
1757 " -fb FONT Bold text font\n"
1758 " -geometry WIDTHxHEIGHT Size of terminal in characters\n"
1759 " -sl LINES Number of lines of scrollback\n"
1760 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
1761 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
1762 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
1763 " -T TITLE Window title\n"
1764 " -ut, +ut Do(default) or do not update utmp\n"
1765 " -ls, +ls Do(default) or do not make shell a login shell\n"
1766 " -sb, +sb Do(default) or do not display a scrollbar\n"
1767 " -log PATH Log all output to a file\n"
1768 " -nethack Map numeric keypad to hjklyubn direction keys\n"
1769 " -xrm RESOURCE-STRING Set an X resource\n"
1770 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
1771 ) < 0 || fflush(fp
) < 0) {
1772 perror("output error");
1777 int do_cmdline(int argc
, char **argv
, int do_everything
)
1780 extern char **pty_argv
; /* declared in pty.c */
1783 * Macros to make argument handling easier. Note that because
1784 * they need to call `continue', they cannot be contained in
1785 * the usual do {...} while (0) wrapper to make them
1786 * syntactically single statements; hence it is not legal to
1787 * use one of these macros as an unbraced statement between
1790 #define EXPECTS_ARG { \
1791 if (--argc <= 0) { \
1793 fprintf(stderr, "pterm: %s expects an argument\n", p); \
1798 #define SECOND_PASS_ONLY { if (!do_everything) continue; }
1807 while (--argc
> 0) {
1809 if (!strcmp(p
, "-fn") || !strcmp(p
, "-font")) {
1812 strncpy(cfg
.font
, val
, sizeof(cfg
.font
));
1813 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1815 } else if (!strcmp(p
, "-fb")) {
1818 strncpy(cfg
.boldfont
, val
, sizeof(cfg
.boldfont
));
1819 cfg
.boldfont
[sizeof(cfg
.boldfont
)-1] = '\0';
1821 } else if (!strcmp(p
, "-geometry")) {
1822 int flags
, x
, y
, w
, h
;
1826 flags
= XParseGeometry(val
, &x
, &y
, &w
, &h
);
1827 if (flags
& WidthValue
)
1829 if (flags
& HeightValue
)
1833 * Apparently setting the initial window position is
1834 * difficult in GTK 1.2. Not entirely sure why this
1835 * should be. 2.0 has gtk_window_parse_geometry(),
1836 * which would help... For the moment, though, I can't
1837 * be bothered with this.
1840 } else if (!strcmp(p
, "-sl")) {
1843 cfg
.savelines
= atoi(val
);
1845 } else if (!strcmp(p
, "-fg") || !strcmp(p
, "-bg") ||
1846 !strcmp(p
, "-bfg") || !strcmp(p
, "-bbg") ||
1847 !strcmp(p
, "-cfg") || !strcmp(p
, "-cbg")) {
1852 if (!gdk_color_parse(val
, &col
)) {
1854 fprintf(stderr
, "pterm: unable to parse colour \"%s\"\n", val
);
1857 index
= (!strcmp(p
, "-fg") ?
0 :
1858 !strcmp(p
, "-bg") ?
2 :
1859 !strcmp(p
, "-bfg") ?
1 :
1860 !strcmp(p
, "-bbg") ?
3 :
1861 !strcmp(p
, "-cfg") ?
4 :
1862 !strcmp(p
, "-cbg") ?
5 : -1);
1863 assert(index
!= -1);
1864 cfg
.colours
[index
][0] = col
.red
/ 256;
1865 cfg
.colours
[index
][1] = col
.green
/ 256;
1866 cfg
.colours
[index
][2] = col
.blue
/ 256;
1869 } else if (!strcmp(p
, "-e")) {
1870 /* This option swallows all further arguments. */
1876 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1878 for (i
= 0; i
< argc
; i
++)
1879 pty_argv
[i
] = argv
[i
];
1880 pty_argv
[argc
] = NULL
;
1881 break; /* finished command-line processing */
1883 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1885 } else if (!strcmp(p
, "-T")) {
1888 strncpy(cfg
.wintitle
, val
, sizeof(cfg
.wintitle
));
1889 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1891 } else if (!strcmp(p
, "-log")) {
1894 strncpy(cfg
.logfilename
, val
, sizeof(cfg
.logfilename
));
1895 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1896 cfg
.logtype
= LGTYP_DEBUG
;
1898 } else if (!strcmp(p
, "-ut-") || !strcmp(p
, "+ut")) {
1902 } else if (!strcmp(p
, "-ut")) {
1906 } else if (!strcmp(p
, "-ls-") || !strcmp(p
, "+ls")) {
1908 cfg
.login_shell
= 0;
1910 } else if (!strcmp(p
, "-ls")) {
1912 cfg
.login_shell
= 1;
1914 } else if (!strcmp(p
, "-nethack")) {
1916 cfg
.nethack_keypad
= 1;
1918 } else if (!strcmp(p
, "-sb-") || !strcmp(p
, "+sb")) {
1922 } else if (!strcmp(p
, "-sb")) {
1926 } else if (!strcmp(p
, "-name")) {
1930 } else if (!strcmp(p
, "-xrm")) {
1932 provide_xrm_string(val
);
1934 } else if(!strcmp(p
, "-help") || !strcmp(p
, "--help")) {
1940 fprintf(stderr
, "pterm: unrecognized option '%s'\n", p
);
1947 static void block_signal(int sig
, int block_it
) {
1951 sigaddset(&ss
, sig
);
1952 if(sigprocmask(block_it ? SIG_BLOCK
: SIG_UNBLOCK
, &ss
, 0) < 0) {
1953 perror("sigprocmask");
1958 int main(int argc
, char **argv
)
1960 extern int pty_master_fd
; /* declared in pty.c */
1961 extern void pty_pre_init(void); /* declared in pty.c */
1962 struct gui_data
*inst
;
1964 /* defer any child exit handling until we're ready to deal with
1966 block_signal(SIGCHLD
, 1);
1970 gtk_init(&argc
, &argv
);
1972 if (do_cmdline(argc
, argv
, 0)) /* pre-defaults pass to get -class */
1974 do_defaults(NULL
, &cfg
);
1975 if (do_cmdline(argc
, argv
, 1)) /* post-defaults, do everything */
1979 * Create an instance structure and initialise to zeroes
1981 inst
= smalloc(sizeof(*inst
));
1982 memset(inst
, 0, sizeof(*inst
));
1983 inst
->alt_keycode
= -1; /* this one needs _not_ to be zero */
1985 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1986 if (!inst
->fonts
[0]) {
1987 fprintf(stderr
, "pterm: unable to load font \"%s\"\n", cfg
.font
);
1990 if (cfg
.boldfont
[0]) {
1991 inst
->fonts
[1] = gdk_font_load(cfg
.boldfont
);
1992 if (!inst
->fonts
[1]) {
1993 fprintf(stderr
, "pterm: unable to load bold font \"%s\"\n",
1998 inst
->fonts
[1] = NULL
;
2000 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
2001 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
2003 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
2007 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
2009 if (cfg
.wintitle
[0])
2010 set_title(inst
, cfg
.wintitle
);
2012 set_title(inst
, "pterm");
2015 * Set up the colour map.
2017 palette_reset(inst
);
2019 inst
->area
= gtk_drawing_area_new();
2020 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
2021 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
2022 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
2023 if (cfg
.scrollbar
) {
2024 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
2025 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
2027 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
2028 if (cfg
.scrollbar
) {
2029 if (cfg
.scrollbar_on_left
)
2030 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
2032 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
2034 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
2036 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
2040 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
2041 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
2042 geom
.max_width
= geom
.max_height
= -1;
2043 geom
.base_width
= 2*cfg
.window_border
;
2044 geom
.base_height
= 2*cfg
.window_border
;
2045 geom
.width_inc
= inst
->font_width
;
2046 geom
.height_inc
= inst
->font_height
;
2047 geom
.min_aspect
= geom
.max_aspect
= 0;
2048 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
2049 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
2050 GDK_HINT_RESIZE_INC
);
2053 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
2054 GTK_SIGNAL_FUNC(destroy
), inst
);
2055 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
2056 GTK_SIGNAL_FUNC(delete_window
), inst
);
2057 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
2058 GTK_SIGNAL_FUNC(key_event
), inst
);
2059 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_release_event",
2060 GTK_SIGNAL_FUNC(key_event
), inst
);
2061 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
2062 GTK_SIGNAL_FUNC(focus_event
), inst
);
2063 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
2064 GTK_SIGNAL_FUNC(focus_event
), inst
);
2065 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
2066 GTK_SIGNAL_FUNC(configure_area
), inst
);
2067 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
2068 GTK_SIGNAL_FUNC(expose_area
), inst
);
2069 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
2070 GTK_SIGNAL_FUNC(button_event
), inst
);
2071 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
2072 GTK_SIGNAL_FUNC(button_event
), inst
);
2073 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
2074 GTK_SIGNAL_FUNC(motion_event
), inst
);
2075 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
2076 GTK_SIGNAL_FUNC(selection_received
), inst
);
2077 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
2078 GTK_SIGNAL_FUNC(selection_get
), inst
);
2079 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
2080 GTK_SIGNAL_FUNC(selection_clear
), inst
);
2082 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
2083 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
2084 gtk_timeout_add(20, timer_func
, inst
);
2085 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
2086 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
2087 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
2088 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
2090 gtk_widget_show(inst
->area
);
2092 gtk_widget_show(inst
->sbar
);
2093 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
2094 gtk_widget_show(inst
->window
);
2096 set_window_background(inst
);
2098 inst
->textcursor
= make_mouse_ptr(inst
, GDK_XTERM
);
2099 inst
->rawcursor
= make_mouse_ptr(inst
, GDK_LEFT_PTR
);
2100 inst
->blankcursor
= make_mouse_ptr(inst
, -1);
2101 make_mouse_ptr(inst
, -2); /* clean up cursor font */
2102 inst
->currcursor
= inst
->textcursor
;
2103 show_mouseptr(inst
, 1);
2105 inst
->term
= term_init(&cfg
, inst
);
2106 inst
->logctx
= log_init(inst
);
2107 term_provide_logctx(inst
->term
, inst
->logctx
);
2109 inst
->back
= &pty_backend
;
2110 inst
->back
->init((void *)inst
->term
, &inst
->backhandle
, NULL
, 0, NULL
, 0);
2111 inst
->back
->provide_logctx(inst
->backhandle
, inst
->logctx
);
2113 term_provide_resize_fn(inst
->term
, inst
->back
->size
, inst
->backhandle
);
2115 term_size(inst
->term
, cfg
.height
, cfg
.width
, cfg
.savelines
);
2118 ldisc_create(&cfg
, inst
->term
, inst
->back
, inst
->backhandle
, inst
);
2119 ldisc_send(inst
->ldisc
, NULL
, 0, 0);/* cause ldisc to notice changes */
2121 inst
->master_fd
= pty_master_fd
;
2122 inst
->exited
= FALSE
;
2123 inst
->master_func_id
= gdk_input_add(pty_master_fd
, GDK_INPUT_READ
,
2124 pty_input_func
, inst
);
2126 /* now we're reday to deal with the child exit handler being
2128 block_signal(SIGCHLD
, 0);