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.
17 #include <sys/types.h>
20 #include <X11/Xutil.h>
22 #include <gdk/gdkkeysyms.h>
24 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
28 #define CAT2(x,y) x ## y
29 #define CAT(x,y) CAT2(x,y)
30 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
32 #define NCOLOURS (lenof(((Config *)0)->colours))
35 GtkWidget
*window
, *area
, *sbar
;
37 GtkAdjustment
*sbar_adjust
;
39 GdkFont
*fonts
[2]; /* normal and bold (for now!) */
40 GdkCursor
*rawcursor
, *textcursor
, *blankcursor
, *currcursor
;
41 GdkColor cols
[NCOLOURS
];
43 wchar_t *pastein_data
;
46 int pasteout_data_len
;
47 int font_width
, font_height
;
50 guint term_paste_idle_id
;
51 GdkAtom compound_text_atom
;
54 char wintitle
[sizeof(((Config
*)0)->wintitle
)];
55 char icontitle
[sizeof(((Config
*)0)->wintitle
)];
56 int master_fd
, master_func_id
, exited
;
66 struct gui_data
*inst
;
69 static int send_raw_mouse
;
71 void ldisc_update(void *frontend
, int echo
, int edit
)
74 * This is a stub in pterm. If I ever produce a Unix
75 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
76 * then it will require some termios manoeuvring analogous to
77 * that in the Windows plink.c, but here it's meaningless.
81 int askappend(void *frontend
, char *filename
)
84 * Logging in an xterm-alike is liable to be something you only
85 * do at serious diagnostic need. Hence, I'm going to take the
86 * easy option for now and assume we always want to overwrite
87 * log files. I can always make it properly configurable later.
92 void logevent(void *frontend
, char *string
)
95 * This is not a very helpful function: events are logged
96 * pretty much exclusively by the back end, and our pty back
97 * end is self-contained. So we need do nothing.
101 int font_dimension(void *frontend
, int which
)/* 0 for width, 1 for height */
103 struct gui_data
*inst
= (struct gui_data
*)frontend
;
106 return inst
->font_height
;
108 return inst
->font_width
;
112 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
113 * into a cooked one (SELECT, EXTEND, PASTE).
115 * In Unix, this is not configurable; the X button arrangement is
116 * rock-solid across all applications, everyone has a three-button
117 * mouse or a means of faking it, and there is no need to switch
118 * buttons around at all.
120 Mouse_Button
translate_button(void *frontend
, Mouse_Button button
)
122 /* struct gui_data *inst = (struct gui_data *)frontend; */
124 if (button
== MBT_LEFT
)
126 if (button
== MBT_MIDDLE
)
128 if (button
== MBT_RIGHT
)
130 return 0; /* shouldn't happen */
134 * Minimise or restore the window in response to a server-side
137 void set_iconic(void *frontend
, int iconic
)
140 * GTK 1.2 doesn't know how to do this.
142 #if GTK_CHECK_VERSION(2,0,0)
143 struct gui_data
*inst
= (struct gui_data
*)frontend
;
145 gtk_window_iconify(GTK_WINDOW(inst
->window
));
147 gtk_window_deiconify(GTK_WINDOW(inst
->window
));
152 * Move the window in response to a server-side request.
154 void move_window(void *frontend
, int x
, int y
)
156 struct gui_data
*inst
= (struct gui_data
*)frontend
;
158 * I assume that when the GTK version of this call is available
159 * we should use it. Not sure how it differs from the GDK one,
162 #if GTK_CHECK_VERSION(2,0,0)
163 gtk_window_move(GTK_WINDOW(inst
->window
), x
, y
);
165 gdk_window_move(inst
->window
->window
, x
, y
);
170 * Move the window to the top or bottom of the z-order in response
171 * to a server-side request.
173 void set_zorder(void *frontend
, int top
)
175 struct gui_data
*inst
= (struct gui_data
*)frontend
;
177 gdk_window_raise(inst
->window
->window
);
179 gdk_window_lower(inst
->window
->window
);
183 * Refresh the window in response to a server-side request.
185 void refresh_window(void *frontend
)
187 struct gui_data
*inst
= (struct gui_data
*)frontend
;
188 term_invalidate(inst
->term
);
192 * Maximise or restore the window in response to a server-side
195 void set_zoomed(void *frontend
, int zoomed
)
198 * GTK 1.2 doesn't know how to do this.
200 #if GTK_CHECK_VERSION(2,0,0)
201 struct gui_data
*inst
= (struct gui_data
*)frontend
;
203 gtk_window_maximize(GTK_WINDOW(inst
->window
));
205 gtk_window_unmaximize(GTK_WINDOW(inst
->window
));
210 * Report whether the window is iconic, for terminal reports.
212 int is_iconic(void *frontend
)
214 struct gui_data
*inst
= (struct gui_data
*)frontend
;
215 return !gdk_window_is_viewable(inst
->window
->window
);
219 * Report the window's position, for terminal reports.
221 void get_window_pos(void *frontend
, int *x
, int *y
)
223 struct gui_data
*inst
= (struct gui_data
*)frontend
;
225 * I assume that when the GTK version of this call is available
226 * we should use it. Not sure how it differs from the GDK one,
229 #if GTK_CHECK_VERSION(2,0,0)
230 gtk_window_get_position(GTK_WINDOW(inst
->window
), x
, y
);
232 gdk_window_get_position(inst
->window
->window
, x
, y
);
237 * Report the window's pixel size, for terminal reports.
239 void get_window_pixels(void *frontend
, int *x
, int *y
)
241 struct gui_data
*inst
= (struct gui_data
*)frontend
;
243 * I assume that when the GTK version of this call is available
244 * we should use it. Not sure how it differs from the GDK one,
247 #if GTK_CHECK_VERSION(2,0,0)
248 gtk_window_get_size(GTK_WINDOW(inst
->window
), x
, y
);
250 gdk_window_get_size(inst
->window
->window
, x
, y
);
255 * Return the window or icon title.
257 char *get_window_title(void *frontend
, int icon
)
259 struct gui_data
*inst
= (struct gui_data
*)frontend
;
260 return icon ? inst
->wintitle
: inst
->icontitle
;
263 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
266 * We could implement warn-on-close here if we really wanted
272 static void show_mouseptr(struct gui_data
*inst
, int show
)
274 if (!cfg
.hide_mouseptr
)
277 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
279 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
280 inst
->mouseptr_visible
= show
;
283 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
285 struct gui_data
*inst
= (struct gui_data
*)data
;
286 int w
, h
, need_size
= 0;
288 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
289 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
291 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
293 gdk_pixmap_unref(inst
->pixmap
);
303 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
304 (cfg
.width
* inst
->font_width
+
305 2*cfg
.window_border
),
306 (cfg
.height
* inst
->font_height
+
307 2*cfg
.window_border
), -1);
309 gc
= gdk_gc_new(inst
->area
->window
);
310 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
311 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
312 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
313 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
318 term_size(inst
->term
, h
, w
, cfg
.savelines
);
324 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
326 struct gui_data
*inst
= (struct gui_data
*)data
;
329 * Pass the exposed rectangle to terminal.c, which will call us
330 * back to do the actual painting.
333 gdk_draw_pixmap(widget
->window
,
334 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
336 event
->area
.x
, event
->area
.y
,
337 event
->area
.x
, event
->area
.y
,
338 event
->area
.width
, event
->area
.height
);
343 #define KEY_PRESSED(k) \
344 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
346 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
348 struct gui_data
*inst
= (struct gui_data
*)data
;
352 /* By default, nothing is generated. */
356 * If Alt is being released after typing an Alt+numberpad
357 * sequence, we should generate the code that was typed.
359 * Note that we only do this if more than one key was actually
360 * pressed - I don't think Alt+NumPad4 should be ^D or that
361 * Alt+NumPad3 should be ^C, for example. There's no serious
362 * inconvenience in having to type a zero before a single-digit
365 if (event
->type
== GDK_KEY_RELEASE
&&
366 (event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
367 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
) &&
368 inst
->alt_keycode
>= 0 && inst
->alt_digits
> 1) {
370 printf("Alt key up, keycode = %d\n", inst
->alt_keycode
);
372 output
[0] = inst
->alt_keycode
;
377 if (event
->type
== GDK_KEY_PRESS
) {
381 printf("keypress: keyval = %04x, state = %08x; string =",
382 event
->keyval
, event
->state
);
383 for (i
= 0; event
->string
[i
]; i
++)
384 printf(" %02x", (unsigned char) event
->string
[i
]);
390 * NYI: Compose key (!!! requires Unicode faff before even trying)
394 * If Alt has just been pressed, we start potentially
395 * accumulating an Alt+numberpad code. We do this by
396 * setting alt_keycode to -1 (nothing yet but plausible).
398 if ((event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
399 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
)) {
400 inst
->alt_keycode
= -1;
401 inst
->alt_digits
= 0;
402 goto done
; /* this generates nothing else */
406 * If we're seeing a numberpad key press with Mod1 down,
407 * consider adding it to alt_keycode if that's sensible.
408 * Anything _else_ with Mod1 down cancels any possibility
409 * of an ALT keycode: we set alt_keycode to -2.
411 if ((event
->state
& GDK_MOD1_MASK
) && inst
->alt_keycode
!= -2) {
413 switch (event
->keyval
) {
414 case GDK_KP_0
: case GDK_KP_Insert
: digit
= 0; break;
415 case GDK_KP_1
: case GDK_KP_End
: digit
= 1; break;
416 case GDK_KP_2
: case GDK_KP_Down
: digit
= 2; break;
417 case GDK_KP_3
: case GDK_KP_Page_Down
: digit
= 3; break;
418 case GDK_KP_4
: case GDK_KP_Left
: digit
= 4; break;
419 case GDK_KP_5
: case GDK_KP_Begin
: digit
= 5; break;
420 case GDK_KP_6
: case GDK_KP_Right
: digit
= 6; break;
421 case GDK_KP_7
: case GDK_KP_Home
: digit
= 7; break;
422 case GDK_KP_8
: case GDK_KP_Up
: digit
= 8; break;
423 case GDK_KP_9
: case GDK_KP_Page_Up
: digit
= 9; break;
426 inst
->alt_keycode
= -2; /* it's invalid */
429 printf("Adding digit %d to keycode %d", digit
,
432 if (inst
->alt_keycode
== -1)
433 inst
->alt_keycode
= digit
; /* one-digit code */
435 inst
->alt_keycode
= inst
->alt_keycode
* 10 + digit
;
438 printf(" gives new code %d\n", inst
->alt_keycode
);
440 /* Having used this digit, we now do nothing more with it. */
446 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
449 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
450 term_scroll(inst
->term
, 0, -cfg
.height
/2);
453 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
454 term_scroll(inst
->term
, 0, +cfg
.height
/2);
459 * Neither does Shift-Ins.
461 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
466 /* ALT+things gives leading Escape. */
468 strncpy(output
+1, event
->string
, 31);
470 end
= strlen(output
);
471 if (event
->state
& GDK_MOD1_MASK
) {
473 if (end
== 1) end
= 0;
477 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
478 if (!event
->string
[0] && event
->keyval
== '`' &&
479 (event
->state
& GDK_CONTROL_MASK
)) {
484 /* Control-Break is the same as Control-C */
485 if (event
->keyval
== GDK_Break
&&
486 (event
->state
& GDK_CONTROL_MASK
)) {
491 /* Control-2, Control-Space and Control-@ are NUL */
492 if (!event
->string
[0] &&
493 (event
->keyval
== ' ' || event
->keyval
== '2' ||
494 event
->keyval
== '@') &&
495 (event
->state
& (GDK_SHIFT_MASK
|
496 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
501 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
502 if (!event
->string
[0] && event
->keyval
== ' ' &&
503 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
504 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
509 /* We don't let GTK tell us what Backspace is! We know better. */
510 if (event
->keyval
== GDK_BackSpace
&&
511 !(event
->state
& GDK_SHIFT_MASK
)) {
512 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
515 /* For Shift Backspace, do opposite of what is configured. */
516 if (event
->keyval
== GDK_BackSpace
&&
517 (event
->state
& GDK_SHIFT_MASK
)) {
518 output
[1] = cfg
.bksp_is_delete ?
'\x08' : '\x7F';
522 /* Shift-Tab is ESC [ Z */
523 if (event
->keyval
== GDK_ISO_Left_Tab
||
524 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
525 end
= 1 + sprintf(output
+1, "\033[Z");
529 * NetHack keypad mode.
531 if (cfg
.nethack_keypad
) {
533 switch (event
->keyval
) {
534 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
535 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
536 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
537 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
538 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
539 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
540 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
541 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
542 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
546 if (event
->state
& GDK_SHIFT_MASK
)
555 * Application keypad mode.
557 if (inst
->term
->app_keypad_keys
&& !cfg
.no_applic_k
) {
559 switch (event
->keyval
) {
560 case GDK_Num_Lock
: xkey
= 'P'; break;
561 case GDK_KP_Divide
: xkey
= 'Q'; break;
562 case GDK_KP_Multiply
: xkey
= 'R'; break;
563 case GDK_KP_Subtract
: xkey
= 'S'; break;
565 * Keypad + is tricky. It covers a space that would
566 * be taken up on the VT100 by _two_ keys; so we
567 * let Shift select between the two. Worse still,
568 * in xterm function key mode we change which two...
571 if (cfg
.funky_type
== 2) {
572 if (event
->state
& GDK_SHIFT_MASK
)
576 } else if (event
->state
& GDK_SHIFT_MASK
)
581 case GDK_KP_Enter
: xkey
= 'M'; break;
582 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
583 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
584 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
585 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
586 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
587 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
588 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
589 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
590 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
591 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
592 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
595 if (inst
->term
->vt52_mode
) {
596 if (xkey
>= 'P' && xkey
<= 'S')
597 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
599 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
601 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
607 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
608 * for integer decimal nn.)
610 * We also deal with the weird ones here. Linux VCs replace F1
611 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
612 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
617 switch (event
->keyval
) {
619 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
622 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
625 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
628 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
631 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
634 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
637 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
640 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
643 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
646 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
679 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
680 case GDK_Home
: case GDK_KP_Home
:
683 case GDK_Insert
: case GDK_KP_Insert
:
686 case GDK_Delete
: case GDK_KP_Delete
:
689 case GDK_End
: case GDK_KP_End
:
692 case GDK_Page_Up
: case GDK_KP_Page_Up
:
695 case GDK_Page_Down
: case GDK_KP_Page_Down
:
699 /* Reorder edit keys to physical order */
700 if (cfg
.funky_type
== 3 && code
<= 6)
701 code
= "\0\2\1\4\5\3\6"[code
];
703 if (inst
->term
->vt52_mode
&& code
> 0 && code
<= 6) {
704 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
708 if (cfg
.funky_type
== 5 && /* SCO function keys */
709 code
>= 11 && code
<= 34) {
710 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
712 switch (event
->keyval
) {
713 case GDK_F1
: index
= 0; break;
714 case GDK_F2
: index
= 1; break;
715 case GDK_F3
: index
= 2; break;
716 case GDK_F4
: index
= 3; break;
717 case GDK_F5
: index
= 4; break;
718 case GDK_F6
: index
= 5; break;
719 case GDK_F7
: index
= 6; break;
720 case GDK_F8
: index
= 7; break;
721 case GDK_F9
: index
= 8; break;
722 case GDK_F10
: index
= 9; break;
723 case GDK_F11
: index
= 10; break;
724 case GDK_F12
: index
= 11; break;
726 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
727 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
728 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
731 if (cfg
.funky_type
== 5 && /* SCO small keypad */
732 code
>= 1 && code
<= 6) {
733 char codes
[] = "HL.FIG";
738 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
742 if ((inst
->term
->vt52_mode
|| cfg
.funky_type
== 4) &&
743 code
>= 11 && code
<= 24) {
749 if (inst
->term
->vt52_mode
)
750 end
= 1 + sprintf(output
+1,
751 "\x1B%c", code
+ 'P' - 11 - offt
);
753 end
= 1 + sprintf(output
+1,
754 "\x1BO%c", code
+ 'P' - 11 - offt
);
757 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
758 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
761 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
762 if (inst
->term
->vt52_mode
)
763 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
765 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
768 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
769 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
773 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
779 * Cursor keys. (This includes the numberpad cursor keys,
780 * if we haven't already done them due to app keypad mode.)
782 * Here we also process un-numlocked un-appkeypadded KP5,
783 * which sends ESC [ G.
787 switch (event
->keyval
) {
788 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
789 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
790 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
791 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
792 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
796 * The arrow keys normally do ESC [ A and so on. In
797 * app cursor keys mode they do ESC O A instead.
798 * Ctrl toggles the two modes.
800 if (inst
->term
->vt52_mode
) {
801 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
802 } else if (!inst
->term
->app_cursor_keys
^
803 !(event
->state
& GDK_CONTROL_MASK
)) {
804 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
806 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
819 printf("generating sequence:");
820 for (i
= start
; i
< end
; i
++)
821 printf(" %02x", (unsigned char) output
[i
]);
825 ldisc_send(inst
->ldisc
, output
+start
, end
-start
, 1);
826 show_mouseptr(inst
, 0);
827 term_seen_key_event(inst
->term
);
828 term_out(inst
->term
);
834 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
836 struct gui_data
*inst
= (struct gui_data
*)data
;
837 int shift
, ctrl
, alt
, x
, y
, button
, act
;
839 show_mouseptr(inst
, 1);
841 if (event
->button
== 4 && event
->type
== GDK_BUTTON_PRESS
) {
842 term_scroll(inst
->term
, 0, -5);
845 if (event
->button
== 5 && event
->type
== GDK_BUTTON_PRESS
) {
846 term_scroll(inst
->term
, 0, +5);
850 shift
= event
->state
& GDK_SHIFT_MASK
;
851 ctrl
= event
->state
& GDK_CONTROL_MASK
;
852 alt
= event
->state
& GDK_MOD1_MASK
;
853 if (event
->button
== 1)
855 else if (event
->button
== 2)
857 else if (event
->button
== 3)
860 return FALSE
; /* don't even know what button! */
862 switch (event
->type
) {
863 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
864 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
865 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
866 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
867 default: return FALSE
; /* don't know this event type */
870 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
871 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
872 return TRUE
; /* we ignore these in raw mouse mode */
874 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
875 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
877 term_mouse(inst
->term
, button
, act
, x
, y
, shift
, ctrl
, alt
);
882 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
884 struct gui_data
*inst
= (struct gui_data
*)data
;
885 int shift
, ctrl
, alt
, x
, y
, button
;
887 show_mouseptr(inst
, 1);
889 shift
= event
->state
& GDK_SHIFT_MASK
;
890 ctrl
= event
->state
& GDK_CONTROL_MASK
;
891 alt
= event
->state
& GDK_MOD1_MASK
;
892 if (event
->state
& GDK_BUTTON1_MASK
)
894 else if (event
->state
& GDK_BUTTON2_MASK
)
896 else if (event
->state
& GDK_BUTTON3_MASK
)
899 return FALSE
; /* don't even know what button! */
901 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
902 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
904 term_mouse(inst
->term
, button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
909 void done_with_pty(struct gui_data
*inst
)
911 extern void pty_close(void);
913 if (inst
->master_fd
>= 0) {
915 inst
->master_fd
= -1;
916 gtk_input_remove(inst
->master_func_id
);
919 if (!inst
->exited
&& inst
->back
->exitcode(inst
->backhandle
) >= 0) {
920 int exitcode
= inst
->back
->exitcode(inst
->backhandle
);
923 clean
= WIFEXITED(exitcode
) && (WEXITSTATUS(exitcode
) == 0);
926 * Terminate now, if the Close On Exit setting is
929 if (cfg
.close_on_exit
== COE_ALWAYS
||
930 (cfg
.close_on_exit
== COE_NORMAL
&& clean
))
934 * Otherwise, output an indication that the session has
939 if (WIFEXITED(exitcode
))
940 sprintf(message
, "\r\n[pterm: process terminated with exit"
941 " code %d]\r\n", WEXITSTATUS(exitcode
));
942 else if (WIFSIGNALED(exitcode
))
943 #ifdef HAVE_NO_STRSIGNAL
944 sprintf(message
, "\r\n[pterm: process terminated on signal"
945 " %d]\r\n", WTERMSIG(exitcode
));
947 sprintf(message
, "\r\n[pterm: process terminated on signal"
948 " %d (%.400s)]\r\n", WTERMSIG(exitcode
),
949 strsignal(WTERMSIG(exitcode
)));
951 from_backend((void *)inst
->term
, 0, message
, strlen(message
));
957 void frontend_keypress(void *handle
)
959 struct gui_data
*inst
= (struct gui_data
*)handle
;
962 * If our child process has exited but not closed, terminate on
969 gint
timer_func(gpointer data
)
971 struct gui_data
*inst
= (struct gui_data
*)data
;
973 if (inst
->back
->exitcode(inst
->backhandle
) >= 0) {
975 * The primary child process died. We could keep the
976 * terminal open for remaining subprocesses to output to,
977 * but conventional wisdom seems to feel that that's the
978 * Wrong Thing for an xterm-alike, so we bail out now
979 * (though we don't necessarily _close_ the window,
980 * depending on the state of Close On Exit). This would be
981 * easy enough to change or make configurable if necessary.
986 term_update(inst
->term
);
987 term_blink(inst
->term
, 0);
991 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
993 struct gui_data
*inst
= (struct gui_data
*)data
;
997 ret
= read(sourcefd
, buf
, sizeof(buf
));
1000 * Clean termination condition is that either ret == 0, or ret
1001 * < 0 and errno == EIO. Not sure why the latter, but it seems
1004 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
1005 done_with_pty(inst
);
1006 } else if (ret
< 0) {
1007 perror("read pty master");
1010 from_backend(inst
->term
, 0, buf
, ret
);
1011 term_blink(inst
->term
, 1);
1012 term_out(inst
->term
);
1015 void destroy(GtkWidget
*widget
, gpointer data
)
1020 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
1022 struct gui_data
*inst
= (struct gui_data
*)data
;
1023 inst
->term
->has_focus
= event
->in
;
1024 term_out(inst
->term
);
1025 term_update(inst
->term
);
1026 show_mouseptr(inst
, 1);
1031 * set or clear the "raw mouse message" mode
1033 void set_raw_mouse_mode(void *frontend
, int activate
)
1035 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1036 activate
= activate
&& !cfg
.no_mouse_rep
;
1037 send_raw_mouse
= activate
;
1039 inst
->currcursor
= inst
->rawcursor
;
1041 inst
->currcursor
= inst
->textcursor
;
1042 show_mouseptr(inst
, inst
->mouseptr_visible
);
1045 void request_resize(void *frontend
, int w
, int h
)
1047 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1048 int large_x
, large_y
;
1049 int offset_x
, offset_y
;
1051 GtkRequisition inner
, outer
;
1054 * This is a heinous hack dreamed up by the gnome-terminal
1055 * people to get around a limitation in gtk. The problem is
1056 * that in order to set the size correctly we really need to be
1057 * calling gtk_window_resize - but that needs to know the size
1058 * of the _whole window_, not the drawing area. So what we do
1059 * is to set an artificially huge size request on the drawing
1060 * area, recompute the resulting size request on the window,
1061 * and look at the difference between the two. That gives us
1062 * the x and y offsets we need to translate drawing area size
1063 * into window size for real, and then we call
1064 * gtk_window_resize.
1068 * We start by retrieving the current size of the whole window.
1069 * Adding a bit to _that_ will give us a value we can use as a
1070 * bogus size request which guarantees to be bigger than the
1071 * current size of the drawing area.
1073 get_window_pixels(inst
, &large_x
, &large_y
);
1077 #if GTK_CHECK_VERSION(2,0,0)
1078 gtk_widget_set_size_request(inst
->area
, large_x
, large_y
);
1080 gtk_widget_set_usize(inst
->area
, large_x
, large_y
);
1082 gtk_widget_size_request(inst
->area
, &inner
);
1083 gtk_widget_size_request(inst
->window
, &outer
);
1085 offset_x
= outer
.width
- inner
.width
;
1086 offset_y
= outer
.height
- inner
.height
;
1088 area_x
= inst
->font_width
* w
+ 2*cfg
.window_border
;
1089 area_y
= inst
->font_height
* h
+ 2*cfg
.window_border
;
1092 * Now we must set the size request on the drawing area back to
1093 * something sensible before we commit the real resize. Best
1094 * way to do this, I think, is to set it to what the size is
1095 * really going to end up being.
1097 #if GTK_CHECK_VERSION(2,0,0)
1098 gtk_widget_set_size_request(inst
->area
, area_x
, area_y
);
1100 gtk_widget_set_usize(inst
->area
, area_x
, area_y
);
1103 #if GTK_CHECK_VERSION(2,0,0)
1104 gtk_window_resize(GTK_WINDOW(inst
->window
),
1105 area_x
+ offset_x
, area_y
+ offset_y
);
1107 gdk_window_resize(inst
->window
->window
,
1108 area_x
+ offset_x
, area_y
+ offset_y
);
1112 static void real_palette_set(struct gui_data
*inst
, int n
, int r
, int g
, int b
)
1114 gboolean success
[1];
1116 inst
->cols
[n
].red
= r
* 0x0101;
1117 inst
->cols
[n
].green
= g
* 0x0101;
1118 inst
->cols
[n
].blue
= b
* 0x0101;
1120 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
1121 FALSE
, FALSE
, success
);
1123 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1127 void set_window_background(struct gui_data
*inst
)
1129 if (inst
->area
&& inst
->area
->window
)
1130 gdk_window_set_background(inst
->area
->window
, &inst
->cols
[18]);
1131 if (inst
->window
&& inst
->window
->window
)
1132 gdk_window_set_background(inst
->window
->window
, &inst
->cols
[18]);
1135 void palette_set(void *frontend
, int n
, int r
, int g
, int b
)
1137 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1138 static const int first
[21] = {
1139 0, 2, 4, 6, 8, 10, 12, 14,
1140 1, 3, 5, 7, 9, 11, 13, 15,
1143 real_palette_set(inst
, first
[n
], r
, g
, b
);
1145 real_palette_set(inst
, first
[n
] + 1, r
, g
, b
);
1147 set_window_background(inst
);
1150 void palette_reset(void *frontend
)
1152 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1153 /* This maps colour indices in cfg to those used in inst->cols. */
1154 static const int ww
[] = {
1155 6, 7, 8, 9, 10, 11, 12, 13,
1156 14, 15, 16, 17, 18, 19, 20, 21,
1159 gboolean success
[NCOLOURS
];
1162 assert(lenof(ww
) == NCOLOURS
);
1164 if (!inst
->colmap
) {
1165 inst
->colmap
= gdk_colormap_get_system();
1167 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
1170 for (i
= 0; i
< NCOLOURS
; i
++) {
1171 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
1172 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
1173 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
1176 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
1177 FALSE
, FALSE
, success
);
1178 for (i
= 0; i
< NCOLOURS
; i
++) {
1180 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1181 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
1184 set_window_background(inst
);
1187 void write_clip(void *frontend
, wchar_t * data
, int len
, int must_deselect
)
1189 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1190 if (inst
->pasteout_data
)
1191 sfree(inst
->pasteout_data
);
1192 inst
->pasteout_data
= smalloc(len
);
1193 inst
->pasteout_data_len
= len
;
1194 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
1197 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
1198 GDK_CURRENT_TIME
)) {
1199 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1200 GDK_SELECTION_TYPE_STRING
, 1);
1201 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1202 inst
->compound_text_atom
, 1);
1206 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1207 guint info
, guint time_stamp
, gpointer data
)
1209 struct gui_data
*inst
= (struct gui_data
*)data
;
1210 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
1211 inst
->pasteout_data
, inst
->pasteout_data_len
);
1214 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1217 struct gui_data
*inst
= (struct gui_data
*)data
;
1218 term_deselect(inst
->term
);
1219 if (inst
->pasteout_data
)
1220 sfree(inst
->pasteout_data
);
1221 inst
->pasteout_data
= NULL
;
1222 inst
->pasteout_data_len
= 0;
1226 void request_paste(void *frontend
)
1228 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1230 * In Unix, pasting is asynchronous: all we can do at the
1231 * moment is to call gtk_selection_convert(), and when the data
1232 * comes back _then_ we can call term_do_paste().
1234 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1235 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
1238 gint
idle_paste_func(gpointer data
); /* forward ref */
1240 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1241 guint time
, gpointer data
)
1243 struct gui_data
*inst
= (struct gui_data
*)data
;
1245 if (seldata
->length
<= 0 ||
1246 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
1247 return; /* Nothing happens. */
1249 if (inst
->pastein_data
)
1250 sfree(inst
->pastein_data
);
1252 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
1253 inst
->pastein_data_len
= seldata
->length
;
1254 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
1255 inst
->pastein_data
, inst
->pastein_data_len
);
1257 term_do_paste(inst
->term
);
1259 if (term_paste_pending(inst
->term
))
1260 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
1263 gint
idle_paste_func(gpointer data
)
1265 struct gui_data
*inst
= (struct gui_data
*)data
;
1267 if (term_paste_pending(inst
->term
))
1268 term_paste(inst
->term
);
1270 gtk_idle_remove(inst
->term_paste_idle_id
);
1276 void get_clip(void *frontend
, wchar_t ** p
, int *len
)
1278 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1281 *p
= inst
->pastein_data
;
1282 *len
= inst
->pastein_data_len
;
1286 void set_title(void *frontend
, char *title
)
1288 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1289 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1290 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1291 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1294 void set_icon(void *frontend
, char *title
)
1296 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1297 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1298 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1299 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1302 void set_sbar(void *frontend
, int total
, int start
, int page
)
1304 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1307 inst
->sbar_adjust
->lower
= 0;
1308 inst
->sbar_adjust
->upper
= total
;
1309 inst
->sbar_adjust
->value
= start
;
1310 inst
->sbar_adjust
->page_size
= page
;
1311 inst
->sbar_adjust
->step_increment
= 1;
1312 inst
->sbar_adjust
->page_increment
= page
/2;
1313 inst
->ignore_sbar
= TRUE
;
1314 gtk_adjustment_changed(inst
->sbar_adjust
);
1315 inst
->ignore_sbar
= FALSE
;
1318 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1320 struct gui_data
*inst
= (struct gui_data
*)data
;
1324 if (!inst
->ignore_sbar
)
1325 term_scroll(inst
->term
, 1, (int)adj
->value
);
1328 void sys_cursor(void *frontend
, int x
, int y
)
1331 * This is meaningless under X.
1335 void beep(void *frontend
, int mode
)
1340 int CharWidth(Context ctx
, int uc
)
1343 * Under X, any fixed-width font really _is_ fixed-width.
1344 * Double-width characters will be dealt with using a separate
1345 * font. For the moment we can simply return 1.
1350 Context
get_ctx(void *frontend
)
1352 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1353 struct draw_ctx
*dctx
;
1355 if (!inst
->area
->window
)
1358 dctx
= smalloc(sizeof(*dctx
));
1360 dctx
->gc
= gdk_gc_new(inst
->area
->window
);
1364 void free_ctx(Context ctx
)
1366 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1367 /* struct gui_data *inst = dctx->inst; */
1368 GdkGC
*gc
= dctx
->gc
;
1374 * Draw a line of text in the window, at given character
1375 * coordinates, in given attributes.
1377 * We are allowed to fiddle with the contents of `text'.
1379 void do_text_internal(Context ctx
, int x
, int y
, char *text
, int len
,
1380 unsigned long attr
, int lattr
)
1382 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1383 struct gui_data
*inst
= dctx
->inst
;
1384 GdkGC
*gc
= dctx
->gc
;
1386 int nfg
, nbg
, t
, fontid
, shadow
;
1390 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1393 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1394 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1395 if (attr
& ATTR_REVERSE
) {
1400 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1402 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1404 if (attr
& TATTR_ACTCURS
) {
1409 fontid
= shadow
= 0;
1410 if ((attr
& ATTR_BOLD
) && !cfg
.bold_colour
) {
1417 if (lattr
!= LATTR_NORM
) {
1419 if (x
>= inst
->term
->cols
)
1421 if (x
+ len
*2 > inst
->term
->cols
)
1422 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1425 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1426 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1427 x
*inst
->font_width
+cfg
.window_border
,
1428 y
*inst
->font_height
+cfg
.window_border
,
1429 len
*inst
->font_width
, inst
->font_height
);
1431 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1432 gdk_draw_text(inst
->pixmap
, inst
->fonts
[fontid
], gc
,
1433 x
*inst
->font_width
+cfg
.window_border
,
1434 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1438 gdk_draw_text(inst
->pixmap
, inst
->fonts
[fontid
], gc
,
1439 x
*inst
->font_width
+cfg
.window_border
+ cfg
.shadowboldoffset
,
1440 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1444 if (attr
& ATTR_UNDER
) {
1445 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1446 if (uheight
>= inst
->font_height
)
1447 uheight
= inst
->font_height
- 1;
1448 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1449 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1450 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1451 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1454 if (lattr
!= LATTR_NORM
) {
1456 * I can't find any plausible StretchBlt equivalent in the
1457 * X server, so I'm going to do this the slow and painful
1458 * way. This will involve repeated calls to
1459 * gdk_draw_pixmap() to stretch the text horizontally. It's
1460 * O(N^2) in time and O(N) in network bandwidth, but you
1461 * try thinking of a better way. :-(
1464 for (i
= 0; i
< len
* inst
->font_width
; i
++) {
1465 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1466 x
*inst
->font_width
+cfg
.window_border
+ 2*i
,
1467 y
*inst
->font_height
+cfg
.window_border
,
1468 x
*inst
->font_width
+cfg
.window_border
+ 2*i
+1,
1469 y
*inst
->font_height
+cfg
.window_border
,
1470 len
* inst
->font_width
- i
, inst
->font_height
);
1473 if (lattr
!= LATTR_WIDE
) {
1475 /* Now stretch vertically, in the same way. */
1476 if (lattr
== LATTR_BOT
)
1480 for (i
= 0; i
< inst
->font_height
; i
+=2) {
1481 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1482 x
*inst
->font_width
+cfg
.window_border
,
1483 y
*inst
->font_height
+cfg
.window_border
+dt
*i
+db
,
1484 x
*inst
->font_width
+cfg
.window_border
,
1485 y
*inst
->font_height
+cfg
.window_border
+dt
*(i
+1),
1486 len
* inst
->font_width
, inst
->font_height
-i
-1);
1492 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1493 unsigned long attr
, int lattr
)
1495 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1496 struct gui_data
*inst
= dctx
->inst
;
1497 GdkGC
*gc
= dctx
->gc
;
1499 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
1501 if (lattr
!= LATTR_NORM
) {
1503 if (x
>= inst
->term
->cols
)
1505 if (x
+ len
*2 > inst
->term
->cols
)
1506 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1510 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1511 x
*inst
->font_width
+cfg
.window_border
,
1512 y
*inst
->font_height
+cfg
.window_border
,
1513 x
*inst
->font_width
+cfg
.window_border
,
1514 y
*inst
->font_height
+cfg
.window_border
,
1515 len
*inst
->font_width
, inst
->font_height
);
1518 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1519 unsigned long attr
, int lattr
)
1521 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1522 struct gui_data
*inst
= dctx
->inst
;
1523 GdkGC
*gc
= dctx
->gc
;
1527 if (attr
& TATTR_PASCURS
) {
1528 attr
&= ~TATTR_PASCURS
;
1532 if ((attr
& TATTR_ACTCURS
) && cfg
.cursor_type
!= 0) {
1533 attr
&= ~TATTR_ACTCURS
;
1535 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
1537 if (lattr
!= LATTR_NORM
) {
1539 if (x
>= inst
->term
->cols
)
1541 if (x
+ len
*2 > inst
->term
->cols
)
1542 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1546 if (cfg
.cursor_type
== 0) {
1548 * An active block cursor will already have been done by
1549 * the above do_text call, so we only need to do anything
1553 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1554 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1555 x
*inst
->font_width
+cfg
.window_border
,
1556 y
*inst
->font_height
+cfg
.window_border
,
1557 len
*inst
->font_width
-1, inst
->font_height
-1);
1561 int startx
, starty
, dx
, dy
, length
, i
;
1565 if ((attr
& ATTR_WIDE
) || lattr
!= LATTR_NORM
)
1566 char_width
= 2*inst
->font_width
;
1568 char_width
= inst
->font_width
;
1570 if (cfg
.cursor_type
== 1) {
1571 uheight
= inst
->fonts
[0]->ascent
+ 1;
1572 if (uheight
>= inst
->font_height
)
1573 uheight
= inst
->font_height
- 1;
1575 startx
= x
* inst
->font_width
+ cfg
.window_border
;
1576 starty
= y
* inst
->font_height
+ cfg
.window_border
+ uheight
;
1579 length
= len
* char_width
;
1582 if (attr
& TATTR_RIGHTCURS
)
1583 xadjust
= char_width
- 1;
1584 startx
= x
* inst
->font_width
+ cfg
.window_border
+ xadjust
;
1585 starty
= y
* inst
->font_height
+ cfg
.window_border
;
1588 length
= inst
->font_height
;
1591 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1593 for (i
= 0; i
< length
; i
++) {
1595 gdk_draw_point(inst
->pixmap
, gc
, startx
, starty
);
1601 gdk_draw_line(inst
->pixmap
, gc
, startx
, starty
,
1602 startx
+ (length
-1) * dx
, starty
+ (length
-1) * dy
);
1606 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1607 x
*inst
->font_width
+cfg
.window_border
,
1608 y
*inst
->font_height
+cfg
.window_border
,
1609 x
*inst
->font_width
+cfg
.window_border
,
1610 y
*inst
->font_height
+cfg
.window_border
,
1611 len
*inst
->font_width
, inst
->font_height
);
1614 GdkCursor
*make_mouse_ptr(struct gui_data
*inst
, int cursor_val
)
1617 * Truly hideous hack: GTK doesn't allow us to set the mouse
1618 * cursor foreground and background colours unless we've _also_
1619 * created our own cursor from bitmaps. Therefore, I need to
1620 * load the `cursor' font and draw glyphs from it on to
1621 * pixmaps, in order to construct my cursors with the fg and bg
1622 * I want. This is a gross hack, but it's more self-contained
1623 * than linking in Xlib to find the X window handle to
1624 * inst->area and calling XRecolorCursor, and it's more
1625 * futureproof than hard-coding the shapes as bitmap arrays.
1627 static GdkFont
*cursor_font
= NULL
;
1628 GdkPixmap
*source
, *mask
;
1630 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1631 GdkColor cbg
= { 0, 0, 0, 0 };
1632 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1633 GdkColor dbg
= { 0, 0, 0, 0 };
1636 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1638 if (cursor_val
== -2) {
1639 gdk_font_unref(cursor_font
);
1643 if (cursor_val
>= 0 && !cursor_font
)
1644 cursor_font
= gdk_font_load("cursor");
1647 * Get the text extent of the cursor in question. We use the
1648 * mask character for this, because it's typically slightly
1649 * bigger than the main character.
1651 if (cursor_val
>= 0) {
1653 text
[0] = (char)cursor_val
+ 1;
1654 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1655 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1661 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1662 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1665 * Draw the mask character on the mask pixmap.
1667 gc
= gdk_gc_new(mask
);
1668 gdk_gc_set_foreground(gc
, &dbg
);
1669 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1670 if (cursor_val
>= 0) {
1672 text
[0] = (char)cursor_val
+ 1;
1673 gdk_gc_set_foreground(gc
, &dfg
);
1674 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1679 * Draw the main character on the source pixmap.
1681 gc
= gdk_gc_new(source
);
1682 gdk_gc_set_foreground(gc
, &dbg
);
1683 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1684 if (cursor_val
>= 0) {
1686 text
[0] = (char)cursor_val
;
1687 gdk_gc_set_foreground(gc
, &dfg
);
1688 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1693 * Create the cursor.
1695 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1700 gdk_pixmap_unref(source
);
1701 gdk_pixmap_unref(mask
);
1706 void modalfatalbox(char *p
, ...)
1709 fprintf(stderr
, "FATAL ERROR: ");
1711 vfprintf(stderr
, p
, ap
);
1713 fputc('\n', stderr
);
1717 char *get_x_display(void *frontend
)
1719 return gdk_get_display();
1722 char *app_name
= "pterm";
1724 int do_cmdline(int argc
, char **argv
, int do_everything
)
1727 extern char **pty_argv
; /* declared in pty.c */
1730 * Macros to make argument handling easier.
1732 #define EXPECTS_ARG do { \
1733 if (--argc <= 0) { \
1735 fprintf(stderr, "pterm: %s expects an argument\n", p); \
1739 #define SECOND_PASS_ONLY do { \
1740 if (!do_everything) continue; \
1750 while (--argc
> 0) {
1752 if (!strcmp(p
, "-fn") || !strcmp(p
, "-font")) {
1755 strncpy(cfg
.font
, val
, sizeof(cfg
.font
));
1756 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1758 } else if (!strcmp(p
, "-fb")) {
1761 strncpy(cfg
.boldfont
, val
, sizeof(cfg
.boldfont
));
1762 cfg
.boldfont
[sizeof(cfg
.boldfont
)-1] = '\0';
1764 } else if (!strcmp(p
, "-geometry")) {
1765 int flags
, x
, y
, w
, h
;
1769 flags
= XParseGeometry(val
, &x
, &y
, &w
, &h
);
1770 if (flags
& WidthValue
)
1772 if (flags
& HeightValue
)
1776 * Apparently setting the initial window position is
1777 * difficult in GTK 1.2. Not entirely sure why this
1778 * should be. 2.0 has gtk_window_parse_geometry(),
1779 * which would help... For the moment, though, I can't
1780 * be bothered with this.
1783 } else if (!strcmp(p
, "-sl")) {
1786 cfg
.savelines
= atoi(val
);
1788 } else if (!strcmp(p
, "-fg") || !strcmp(p
, "-bg") ||
1789 !strcmp(p
, "-bfg") || !strcmp(p
, "-bbg") ||
1790 !strcmp(p
, "-cfg") || !strcmp(p
, "-cbg")) {
1795 if (!gdk_color_parse(val
, &col
)) {
1797 fprintf(stderr
, "pterm: unable to parse colour \"%s\"\n", val
);
1800 index
= (!strcmp(p
, "-fg") ?
0 :
1801 !strcmp(p
, "-bg") ?
2 :
1802 !strcmp(p
, "-bfg") ?
1 :
1803 !strcmp(p
, "-bbg") ?
3 :
1804 !strcmp(p
, "-cfg") ?
4 :
1805 !strcmp(p
, "-cbg") ?
5 : -1);
1806 assert(index
!= -1);
1807 cfg
.colours
[index
][0] = col
.red
/ 256;
1808 cfg
.colours
[index
][1] = col
.green
/ 256;
1809 cfg
.colours
[index
][2] = col
.blue
/ 256;
1812 } else if (!strcmp(p
, "-e")) {
1813 /* This option swallows all further arguments. */
1819 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1821 for (i
= 0; i
< argc
; i
++)
1822 pty_argv
[i
] = argv
[i
];
1823 pty_argv
[argc
] = NULL
;
1824 break; /* finished command-line processing */
1826 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1828 } else if (!strcmp(p
, "-T")) {
1831 strncpy(cfg
.wintitle
, val
, sizeof(cfg
.wintitle
));
1832 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1834 } else if (!strcmp(p
, "-log")) {
1837 strncpy(cfg
.logfilename
, val
, sizeof(cfg
.logfilename
));
1838 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1839 cfg
.logtype
= LGTYP_DEBUG
;
1841 } else if (!strcmp(p
, "-ut-") || !strcmp(p
, "+ut")) {
1845 } else if (!strcmp(p
, "-ut")) {
1849 } else if (!strcmp(p
, "-ls-") || !strcmp(p
, "+ls")) {
1851 cfg
.login_shell
= 0;
1853 } else if (!strcmp(p
, "-ls")) {
1855 cfg
.login_shell
= 1;
1857 } else if (!strcmp(p
, "-nethack")) {
1859 cfg
.nethack_keypad
= 1;
1861 } else if (!strcmp(p
, "-sb-") || !strcmp(p
, "+sb")) {
1865 } else if (!strcmp(p
, "-sb")) {
1869 } else if (!strcmp(p
, "-name")) {
1873 } else if (!strcmp(p
, "-xrm")) {
1875 provide_xrm_string(val
);
1879 fprintf(stderr
, "pterm: unrecognized option '%s'\n", p
);
1886 int main(int argc
, char **argv
)
1888 extern int pty_master_fd
; /* declared in pty.c */
1889 extern void pty_pre_init(void); /* declared in pty.c */
1890 struct gui_data
*inst
;
1894 gtk_init(&argc
, &argv
);
1896 if (do_cmdline(argc
, argv
, 0)) /* pre-defaults pass to get -class */
1898 do_defaults(NULL
, &cfg
);
1899 if (do_cmdline(argc
, argv
, 1)) /* post-defaults, do everything */
1903 * Create an instance structure and initialise to zeroes
1905 inst
= smalloc(sizeof(*inst
));
1906 memset(inst
, 0, sizeof(*inst
));
1907 inst
->alt_keycode
= -1; /* this one needs _not_ to be zero */
1909 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1910 if (!inst
->fonts
[0]) {
1911 fprintf(stderr
, "pterm: unable to load font \"%s\"\n", cfg
.font
);
1914 if (cfg
.boldfont
[0]) {
1915 inst
->fonts
[1] = gdk_font_load(cfg
.boldfont
);
1916 if (!inst
->fonts
[1]) {
1917 fprintf(stderr
, "pterm: unable to load bold font \"%s\"\n",
1922 inst
->fonts
[1] = NULL
;
1924 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1925 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1927 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1931 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1933 if (cfg
.wintitle
[0])
1934 set_title(inst
, cfg
.wintitle
);
1936 set_title(inst
, "pterm");
1939 * Set up the colour map.
1941 palette_reset(inst
);
1943 inst
->area
= gtk_drawing_area_new();
1944 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1945 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1946 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1947 if (cfg
.scrollbar
) {
1948 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
1949 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1951 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1952 if (cfg
.scrollbar
) {
1953 if (cfg
.scrollbar_on_left
)
1954 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1956 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1958 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1960 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1964 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1965 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1966 geom
.max_width
= geom
.max_height
= -1;
1967 geom
.base_width
= 2*cfg
.window_border
;
1968 geom
.base_height
= 2*cfg
.window_border
;
1969 geom
.width_inc
= inst
->font_width
;
1970 geom
.height_inc
= inst
->font_height
;
1971 geom
.min_aspect
= geom
.max_aspect
= 0;
1972 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1973 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1974 GDK_HINT_RESIZE_INC
);
1977 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1978 GTK_SIGNAL_FUNC(destroy
), inst
);
1979 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1980 GTK_SIGNAL_FUNC(delete_window
), inst
);
1981 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1982 GTK_SIGNAL_FUNC(key_event
), inst
);
1983 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_release_event",
1984 GTK_SIGNAL_FUNC(key_event
), inst
);
1985 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1986 GTK_SIGNAL_FUNC(focus_event
), inst
);
1987 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1988 GTK_SIGNAL_FUNC(focus_event
), inst
);
1989 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1990 GTK_SIGNAL_FUNC(configure_area
), inst
);
1991 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1992 GTK_SIGNAL_FUNC(expose_area
), inst
);
1993 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1994 GTK_SIGNAL_FUNC(button_event
), inst
);
1995 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1996 GTK_SIGNAL_FUNC(button_event
), inst
);
1997 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1998 GTK_SIGNAL_FUNC(motion_event
), inst
);
1999 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
2000 GTK_SIGNAL_FUNC(selection_received
), inst
);
2001 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
2002 GTK_SIGNAL_FUNC(selection_get
), inst
);
2003 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
2004 GTK_SIGNAL_FUNC(selection_clear
), inst
);
2006 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
2007 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
2008 gtk_timeout_add(20, timer_func
, inst
);
2009 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
2010 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
2011 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
2012 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
2014 gtk_widget_show(inst
->area
);
2016 gtk_widget_show(inst
->sbar
);
2017 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
2018 gtk_widget_show(inst
->window
);
2020 set_window_background(inst
);
2022 inst
->textcursor
= make_mouse_ptr(inst
, GDK_XTERM
);
2023 inst
->rawcursor
= make_mouse_ptr(inst
, GDK_LEFT_PTR
);
2024 inst
->blankcursor
= make_mouse_ptr(inst
, -1);
2025 make_mouse_ptr(inst
, -2); /* clean up cursor font */
2026 inst
->currcursor
= inst
->textcursor
;
2027 show_mouseptr(inst
, 1);
2029 inst
->term
= term_init(inst
);
2030 inst
->logctx
= log_init(inst
);
2031 term_provide_logctx(inst
->term
, inst
->logctx
);
2033 inst
->back
= &pty_backend
;
2034 inst
->back
->init((void *)inst
->term
, &inst
->backhandle
, NULL
, 0, NULL
, 0);
2035 inst
->back
->provide_logctx(inst
->backhandle
, inst
->logctx
);
2037 term_provide_resize_fn(inst
->term
, inst
->back
->size
, inst
->backhandle
);
2039 term_size(inst
->term
, cfg
.height
, cfg
.width
, cfg
.savelines
);
2041 inst
->ldisc
= ldisc_create(inst
->term
, inst
->back
, inst
->backhandle
, inst
);
2042 ldisc_send(inst
->ldisc
, NULL
, 0, 0);/* cause ldisc to notice changes */
2044 inst
->master_fd
= pty_master_fd
;
2045 inst
->exited
= FALSE
;
2046 inst
->master_func_id
= gdk_input_add(pty_master_fd
, GDK_INPUT_READ
,
2047 pty_input_func
, inst
);