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 <gdk/gdkkeysyms.h>
23 #include <X11/Xutil.h>
25 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
29 #define CAT2(x,y) x ## y
30 #define CAT(x,y) CAT2(x,y)
31 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
33 #define NCOLOURS (lenof(((Config *)0)->colours))
36 GtkWidget
*window
, *area
, *sbar
;
38 GtkAdjustment
*sbar_adjust
;
40 GdkFont
*fonts
[2]; /* normal and bold (for now!) */
41 GdkCursor
*rawcursor
, *textcursor
, *blankcursor
, *currcursor
;
42 GdkColor cols
[NCOLOURS
];
44 wchar_t *pastein_data
;
47 int pasteout_data_len
;
48 int font_width
, font_height
;
51 guint term_paste_idle_id
;
52 GdkAtom compound_text_atom
;
55 char wintitle
[sizeof(((Config
*)0)->wintitle
)];
56 char icontitle
[sizeof(((Config
*)0)->wintitle
)];
57 int master_fd
, master_func_id
, exited
;
67 struct gui_data
*inst
;
70 static int send_raw_mouse
;
72 static char *app_name
= "pterm";
74 char *x_get_default(char *key
)
76 return XGetDefault(GDK_DISPLAY(), app_name
, key
);
79 void ldisc_update(void *frontend
, int echo
, int edit
)
82 * This is a stub in pterm. If I ever produce a Unix
83 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
84 * then it will require some termios manoeuvring analogous to
85 * that in the Windows plink.c, but here it's meaningless.
89 int askappend(void *frontend
, char *filename
)
92 * Logging in an xterm-alike is liable to be something you only
93 * do at serious diagnostic need. Hence, I'm going to take the
94 * easy option for now and assume we always want to overwrite
95 * log files. I can always make it properly configurable later.
100 void logevent(void *frontend
, char *string
)
103 * This is not a very helpful function: events are logged
104 * pretty much exclusively by the back end, and our pty back
105 * end is self-contained. So we need do nothing.
109 int font_dimension(void *frontend
, int which
)/* 0 for width, 1 for height */
111 struct gui_data
*inst
= (struct gui_data
*)frontend
;
114 return inst
->font_height
;
116 return inst
->font_width
;
120 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
121 * into a cooked one (SELECT, EXTEND, PASTE).
123 * In Unix, this is not configurable; the X button arrangement is
124 * rock-solid across all applications, everyone has a three-button
125 * mouse or a means of faking it, and there is no need to switch
126 * buttons around at all.
128 Mouse_Button
translate_button(void *frontend
, Mouse_Button button
)
130 /* struct gui_data *inst = (struct gui_data *)frontend; */
132 if (button
== MBT_LEFT
)
134 if (button
== MBT_MIDDLE
)
136 if (button
== MBT_RIGHT
)
138 return 0; /* shouldn't happen */
142 * Minimise or restore the window in response to a server-side
145 void set_iconic(void *frontend
, int iconic
)
148 * GTK 1.2 doesn't know how to do this.
150 #if GTK_CHECK_VERSION(2,0,0)
151 struct gui_data
*inst
= (struct gui_data
*)frontend
;
153 gtk_window_iconify(GTK_WINDOW(inst
->window
));
155 gtk_window_deiconify(GTK_WINDOW(inst
->window
));
160 * Move the window in response to a server-side request.
162 void move_window(void *frontend
, int x
, int y
)
164 struct gui_data
*inst
= (struct gui_data
*)frontend
;
166 * I assume that when the GTK version of this call is available
167 * we should use it. Not sure how it differs from the GDK one,
170 #if GTK_CHECK_VERSION(2,0,0)
171 gtk_window_move(GTK_WINDOW(inst
->window
), x
, y
);
173 gdk_window_move(inst
->window
->window
, x
, y
);
178 * Move the window to the top or bottom of the z-order in response
179 * to a server-side request.
181 void set_zorder(void *frontend
, int top
)
183 struct gui_data
*inst
= (struct gui_data
*)frontend
;
185 gdk_window_raise(inst
->window
->window
);
187 gdk_window_lower(inst
->window
->window
);
191 * Refresh the window in response to a server-side request.
193 void refresh_window(void *frontend
)
195 struct gui_data
*inst
= (struct gui_data
*)frontend
;
196 term_invalidate(inst
->term
);
200 * Maximise or restore the window in response to a server-side
203 void set_zoomed(void *frontend
, int zoomed
)
206 * GTK 1.2 doesn't know how to do this.
208 #if GTK_CHECK_VERSION(2,0,0)
209 struct gui_data
*inst
= (struct gui_data
*)frontend
;
211 gtk_window_maximize(GTK_WINDOW(inst
->window
));
213 gtk_window_unmaximize(GTK_WINDOW(inst
->window
));
218 * Report whether the window is iconic, for terminal reports.
220 int is_iconic(void *frontend
)
222 struct gui_data
*inst
= (struct gui_data
*)frontend
;
223 return !gdk_window_is_viewable(inst
->window
->window
);
227 * Report the window's position, for terminal reports.
229 void get_window_pos(void *frontend
, int *x
, int *y
)
231 struct gui_data
*inst
= (struct gui_data
*)frontend
;
233 * I assume that when the GTK version of this call is available
234 * we should use it. Not sure how it differs from the GDK one,
237 #if GTK_CHECK_VERSION(2,0,0)
238 gtk_window_get_position(GTK_WINDOW(inst
->window
), x
, y
);
240 gdk_window_get_position(inst
->window
->window
, x
, y
);
245 * Report the window's pixel size, for terminal reports.
247 void get_window_pixels(void *frontend
, int *x
, int *y
)
249 struct gui_data
*inst
= (struct gui_data
*)frontend
;
251 * I assume that when the GTK version of this call is available
252 * we should use it. Not sure how it differs from the GDK one,
255 #if GTK_CHECK_VERSION(2,0,0)
256 gtk_window_get_size(GTK_WINDOW(inst
->window
), x
, y
);
258 gdk_window_get_size(inst
->window
->window
, x
, y
);
263 * Return the window or icon title.
265 char *get_window_title(void *frontend
, int icon
)
267 struct gui_data
*inst
= (struct gui_data
*)frontend
;
268 return icon ? inst
->wintitle
: inst
->icontitle
;
271 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
274 * We could implement warn-on-close here if we really wanted
280 static void show_mouseptr(struct gui_data
*inst
, int show
)
282 if (!cfg
.hide_mouseptr
)
285 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
287 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
288 inst
->mouseptr_visible
= show
;
291 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
293 struct gui_data
*inst
= (struct gui_data
*)data
;
294 int w
, h
, need_size
= 0;
296 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
297 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
299 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
301 gdk_pixmap_unref(inst
->pixmap
);
311 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
312 (cfg
.width
* inst
->font_width
+
313 2*cfg
.window_border
),
314 (cfg
.height
* inst
->font_height
+
315 2*cfg
.window_border
), -1);
317 gc
= gdk_gc_new(inst
->area
->window
);
318 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
319 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
320 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
321 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
326 term_size(inst
->term
, h
, w
, cfg
.savelines
);
332 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
334 struct gui_data
*inst
= (struct gui_data
*)data
;
337 * Pass the exposed rectangle to terminal.c, which will call us
338 * back to do the actual painting.
341 gdk_draw_pixmap(widget
->window
,
342 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
344 event
->area
.x
, event
->area
.y
,
345 event
->area
.x
, event
->area
.y
,
346 event
->area
.width
, event
->area
.height
);
351 #define KEY_PRESSED(k) \
352 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
354 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
356 struct gui_data
*inst
= (struct gui_data
*)data
;
360 /* By default, nothing is generated. */
364 * If Alt is being released after typing an Alt+numberpad
365 * sequence, we should generate the code that was typed.
367 * Note that we only do this if more than one key was actually
368 * pressed - I don't think Alt+NumPad4 should be ^D or that
369 * Alt+NumPad3 should be ^C, for example. There's no serious
370 * inconvenience in having to type a zero before a single-digit
373 if (event
->type
== GDK_KEY_RELEASE
&&
374 (event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
375 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
) &&
376 inst
->alt_keycode
>= 0 && inst
->alt_digits
> 1) {
378 printf("Alt key up, keycode = %d\n", inst
->alt_keycode
);
380 output
[0] = inst
->alt_keycode
;
385 if (event
->type
== GDK_KEY_PRESS
) {
389 printf("keypress: keyval = %04x, state = %08x; string =",
390 event
->keyval
, event
->state
);
391 for (i
= 0; event
->string
[i
]; i
++)
392 printf(" %02x", (unsigned char) event
->string
[i
]);
398 * NYI: Compose key (!!! requires Unicode faff before even trying)
402 * If Alt has just been pressed, we start potentially
403 * accumulating an Alt+numberpad code. We do this by
404 * setting alt_keycode to -1 (nothing yet but plausible).
406 if ((event
->keyval
== GDK_Meta_L
|| event
->keyval
== GDK_Alt_L
||
407 event
->keyval
== GDK_Meta_R
|| event
->keyval
== GDK_Alt_R
)) {
408 inst
->alt_keycode
= -1;
409 inst
->alt_digits
= 0;
410 goto done
; /* this generates nothing else */
414 * If we're seeing a numberpad key press with Mod1 down,
415 * consider adding it to alt_keycode if that's sensible.
416 * Anything _else_ with Mod1 down cancels any possibility
417 * of an ALT keycode: we set alt_keycode to -2.
419 if ((event
->state
& GDK_MOD1_MASK
) && inst
->alt_keycode
!= -2) {
421 switch (event
->keyval
) {
422 case GDK_KP_0
: case GDK_KP_Insert
: digit
= 0; break;
423 case GDK_KP_1
: case GDK_KP_End
: digit
= 1; break;
424 case GDK_KP_2
: case GDK_KP_Down
: digit
= 2; break;
425 case GDK_KP_3
: case GDK_KP_Page_Down
: digit
= 3; break;
426 case GDK_KP_4
: case GDK_KP_Left
: digit
= 4; break;
427 case GDK_KP_5
: case GDK_KP_Begin
: digit
= 5; break;
428 case GDK_KP_6
: case GDK_KP_Right
: digit
= 6; break;
429 case GDK_KP_7
: case GDK_KP_Home
: digit
= 7; break;
430 case GDK_KP_8
: case GDK_KP_Up
: digit
= 8; break;
431 case GDK_KP_9
: case GDK_KP_Page_Up
: digit
= 9; break;
434 inst
->alt_keycode
= -2; /* it's invalid */
437 printf("Adding digit %d to keycode %d", digit
,
440 if (inst
->alt_keycode
== -1)
441 inst
->alt_keycode
= digit
; /* one-digit code */
443 inst
->alt_keycode
= inst
->alt_keycode
* 10 + digit
;
446 printf(" gives new code %d\n", inst
->alt_keycode
);
448 /* Having used this digit, we now do nothing more with it. */
454 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
457 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
458 term_scroll(inst
->term
, 0, -cfg
.height
/2);
461 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
462 term_scroll(inst
->term
, 0, +cfg
.height
/2);
467 * Neither does Shift-Ins.
469 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
474 /* ALT+things gives leading Escape. */
476 strncpy(output
+1, event
->string
, 31);
478 end
= strlen(output
);
479 if (event
->state
& GDK_MOD1_MASK
) {
481 if (end
== 1) end
= 0;
485 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
486 if (!event
->string
[0] && event
->keyval
== '`' &&
487 (event
->state
& GDK_CONTROL_MASK
)) {
492 /* Control-Break is the same as Control-C */
493 if (event
->keyval
== GDK_Break
&&
494 (event
->state
& GDK_CONTROL_MASK
)) {
499 /* Control-2, Control-Space and Control-@ are NUL */
500 if (!event
->string
[0] &&
501 (event
->keyval
== ' ' || event
->keyval
== '2' ||
502 event
->keyval
== '@') &&
503 (event
->state
& (GDK_SHIFT_MASK
|
504 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
509 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
510 if (!event
->string
[0] && event
->keyval
== ' ' &&
511 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
512 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
517 /* We don't let GTK tell us what Backspace is! We know better. */
518 if (event
->keyval
== GDK_BackSpace
&&
519 !(event
->state
& GDK_SHIFT_MASK
)) {
520 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
523 /* For Shift Backspace, do opposite of what is configured. */
524 if (event
->keyval
== GDK_BackSpace
&&
525 (event
->state
& GDK_SHIFT_MASK
)) {
526 output
[1] = cfg
.bksp_is_delete ?
'\x08' : '\x7F';
530 /* Shift-Tab is ESC [ Z */
531 if (event
->keyval
== GDK_ISO_Left_Tab
||
532 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
533 end
= 1 + sprintf(output
+1, "\033[Z");
537 * NetHack keypad mode.
539 if (cfg
.nethack_keypad
) {
541 switch (event
->keyval
) {
542 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
543 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
544 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
545 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
546 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
547 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
548 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
549 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
550 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
554 if (event
->state
& GDK_SHIFT_MASK
)
563 * Application keypad mode.
565 if (inst
->term
->app_keypad_keys
&& !cfg
.no_applic_k
) {
567 switch (event
->keyval
) {
568 case GDK_Num_Lock
: xkey
= 'P'; break;
569 case GDK_KP_Divide
: xkey
= 'Q'; break;
570 case GDK_KP_Multiply
: xkey
= 'R'; break;
571 case GDK_KP_Subtract
: xkey
= 'S'; break;
573 * Keypad + is tricky. It covers a space that would
574 * be taken up on the VT100 by _two_ keys; so we
575 * let Shift select between the two. Worse still,
576 * in xterm function key mode we change which two...
579 if (cfg
.funky_type
== 2) {
580 if (event
->state
& GDK_SHIFT_MASK
)
584 } else if (event
->state
& GDK_SHIFT_MASK
)
589 case GDK_KP_Enter
: xkey
= 'M'; break;
590 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
591 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
592 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
593 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
594 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
595 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
596 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
597 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
598 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
599 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
600 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
603 if (inst
->term
->vt52_mode
) {
604 if (xkey
>= 'P' && xkey
<= 'S')
605 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
607 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
609 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
615 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
616 * for integer decimal nn.)
618 * We also deal with the weird ones here. Linux VCs replace F1
619 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
620 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
625 switch (event
->keyval
) {
627 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
630 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
633 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
636 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
639 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
642 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
645 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
648 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
651 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
654 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
687 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
688 case GDK_Home
: case GDK_KP_Home
:
691 case GDK_Insert
: case GDK_KP_Insert
:
694 case GDK_Delete
: case GDK_KP_Delete
:
697 case GDK_End
: case GDK_KP_End
:
700 case GDK_Page_Up
: case GDK_KP_Page_Up
:
703 case GDK_Page_Down
: case GDK_KP_Page_Down
:
707 /* Reorder edit keys to physical order */
708 if (cfg
.funky_type
== 3 && code
<= 6)
709 code
= "\0\2\1\4\5\3\6"[code
];
711 if (inst
->term
->vt52_mode
&& code
> 0 && code
<= 6) {
712 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
716 if (cfg
.funky_type
== 5 && /* SCO function keys */
717 code
>= 11 && code
<= 34) {
718 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
720 switch (event
->keyval
) {
721 case GDK_F1
: index
= 0; break;
722 case GDK_F2
: index
= 1; break;
723 case GDK_F3
: index
= 2; break;
724 case GDK_F4
: index
= 3; break;
725 case GDK_F5
: index
= 4; break;
726 case GDK_F6
: index
= 5; break;
727 case GDK_F7
: index
= 6; break;
728 case GDK_F8
: index
= 7; break;
729 case GDK_F9
: index
= 8; break;
730 case GDK_F10
: index
= 9; break;
731 case GDK_F11
: index
= 10; break;
732 case GDK_F12
: index
= 11; break;
734 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
735 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
736 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
739 if (cfg
.funky_type
== 5 && /* SCO small keypad */
740 code
>= 1 && code
<= 6) {
741 char codes
[] = "HL.FIG";
746 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
750 if ((inst
->term
->vt52_mode
|| cfg
.funky_type
== 4) &&
751 code
>= 11 && code
<= 24) {
757 if (inst
->term
->vt52_mode
)
758 end
= 1 + sprintf(output
+1,
759 "\x1B%c", code
+ 'P' - 11 - offt
);
761 end
= 1 + sprintf(output
+1,
762 "\x1BO%c", code
+ 'P' - 11 - offt
);
765 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
766 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
769 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
770 if (inst
->term
->vt52_mode
)
771 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
773 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
776 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
777 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
781 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
787 * Cursor keys. (This includes the numberpad cursor keys,
788 * if we haven't already done them due to app keypad mode.)
790 * Here we also process un-numlocked un-appkeypadded KP5,
791 * which sends ESC [ G.
795 switch (event
->keyval
) {
796 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
797 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
798 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
799 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
800 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
804 * The arrow keys normally do ESC [ A and so on. In
805 * app cursor keys mode they do ESC O A instead.
806 * Ctrl toggles the two modes.
808 if (inst
->term
->vt52_mode
) {
809 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
810 } else if (!inst
->term
->app_cursor_keys
^
811 !(event
->state
& GDK_CONTROL_MASK
)) {
812 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
814 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
827 printf("generating sequence:");
828 for (i
= start
; i
< end
; i
++)
829 printf(" %02x", (unsigned char) output
[i
]);
833 ldisc_send(inst
->ldisc
, output
+start
, end
-start
, 1);
834 show_mouseptr(inst
, 0);
835 term_seen_key_event(inst
->term
);
836 term_out(inst
->term
);
842 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
844 struct gui_data
*inst
= (struct gui_data
*)data
;
845 int shift
, ctrl
, alt
, x
, y
, button
, act
;
847 show_mouseptr(inst
, 1);
849 if (event
->button
== 4 && event
->type
== GDK_BUTTON_PRESS
) {
850 term_scroll(inst
->term
, 0, -5);
853 if (event
->button
== 5 && event
->type
== GDK_BUTTON_PRESS
) {
854 term_scroll(inst
->term
, 0, +5);
858 shift
= event
->state
& GDK_SHIFT_MASK
;
859 ctrl
= event
->state
& GDK_CONTROL_MASK
;
860 alt
= event
->state
& GDK_MOD1_MASK
;
861 if (event
->button
== 1)
863 else if (event
->button
== 2)
865 else if (event
->button
== 3)
868 return FALSE
; /* don't even know what button! */
870 switch (event
->type
) {
871 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
872 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
873 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
874 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
875 default: return FALSE
; /* don't know this event type */
878 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
879 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
880 return TRUE
; /* we ignore these in raw mouse mode */
882 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
883 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
885 term_mouse(inst
->term
, button
, act
, x
, y
, shift
, ctrl
, alt
);
890 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
892 struct gui_data
*inst
= (struct gui_data
*)data
;
893 int shift
, ctrl
, alt
, x
, y
, button
;
895 show_mouseptr(inst
, 1);
897 shift
= event
->state
& GDK_SHIFT_MASK
;
898 ctrl
= event
->state
& GDK_CONTROL_MASK
;
899 alt
= event
->state
& GDK_MOD1_MASK
;
900 if (event
->state
& GDK_BUTTON1_MASK
)
902 else if (event
->state
& GDK_BUTTON2_MASK
)
904 else if (event
->state
& GDK_BUTTON3_MASK
)
907 return FALSE
; /* don't even know what button! */
909 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
910 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
912 term_mouse(inst
->term
, button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
917 void done_with_pty(struct gui_data
*inst
)
919 extern void pty_close(void);
921 if (inst
->master_fd
>= 0) {
923 inst
->master_fd
= -1;
924 gtk_input_remove(inst
->master_func_id
);
927 if (!inst
->exited
&& inst
->back
->exitcode(inst
->backhandle
) >= 0) {
928 int exitcode
= inst
->back
->exitcode(inst
->backhandle
);
931 clean
= WIFEXITED(exitcode
) && (WEXITSTATUS(exitcode
) == 0);
934 * Terminate now, if the Close On Exit setting is
937 if (cfg
.close_on_exit
== COE_ALWAYS
||
938 (cfg
.close_on_exit
== COE_NORMAL
&& clean
))
942 * Otherwise, output an indication that the session has
947 if (WIFEXITED(exitcode
))
948 sprintf(message
, "\r\n[pterm: process terminated with exit"
949 " code %d]\r\n", WEXITSTATUS(exitcode
));
950 else if (WIFSIGNALED(exitcode
))
951 #ifdef HAVE_NO_STRSIGNAL
952 sprintf(message
, "\r\n[pterm: process terminated on signal"
953 " %d]\r\n", WTERMSIG(exitcode
));
955 sprintf(message
, "\r\n[pterm: process terminated on signal"
956 " %d (%.400s)]\r\n", WTERMSIG(exitcode
),
957 strsignal(WTERMSIG(exitcode
)));
959 from_backend((void *)inst
->term
, 0, message
, strlen(message
));
965 void frontend_keypress(void *handle
)
967 struct gui_data
*inst
= (struct gui_data
*)handle
;
970 * If our child process has exited but not closed, terminate on
977 gint
timer_func(gpointer data
)
979 struct gui_data
*inst
= (struct gui_data
*)data
;
981 if (inst
->back
->exitcode(inst
->backhandle
) >= 0) {
983 * The primary child process died. We could keep the
984 * terminal open for remaining subprocesses to output to,
985 * but conventional wisdom seems to feel that that's the
986 * Wrong Thing for an xterm-alike, so we bail out now
987 * (though we don't necessarily _close_ the window,
988 * depending on the state of Close On Exit). This would be
989 * easy enough to change or make configurable if necessary.
994 term_update(inst
->term
);
995 term_blink(inst
->term
, 0);
999 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
1001 struct gui_data
*inst
= (struct gui_data
*)data
;
1005 ret
= read(sourcefd
, buf
, sizeof(buf
));
1008 * Clean termination condition is that either ret == 0, or ret
1009 * < 0 and errno == EIO. Not sure why the latter, but it seems
1012 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
1013 done_with_pty(inst
);
1014 } else if (ret
< 0) {
1015 perror("read pty master");
1018 from_backend(inst
->term
, 0, buf
, ret
);
1019 term_blink(inst
->term
, 1);
1020 term_out(inst
->term
);
1023 void destroy(GtkWidget
*widget
, gpointer data
)
1028 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
1030 struct gui_data
*inst
= (struct gui_data
*)data
;
1031 inst
->term
->has_focus
= event
->in
;
1032 term_out(inst
->term
);
1033 term_update(inst
->term
);
1034 show_mouseptr(inst
, 1);
1039 * set or clear the "raw mouse message" mode
1041 void set_raw_mouse_mode(void *frontend
, int activate
)
1043 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1044 activate
= activate
&& !cfg
.no_mouse_rep
;
1045 send_raw_mouse
= activate
;
1047 inst
->currcursor
= inst
->rawcursor
;
1049 inst
->currcursor
= inst
->textcursor
;
1050 show_mouseptr(inst
, inst
->mouseptr_visible
);
1053 void request_resize(void *frontend
, int w
, int h
)
1055 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1056 int large_x
, large_y
;
1057 int offset_x
, offset_y
;
1059 GtkRequisition inner
, outer
;
1062 * This is a heinous hack dreamed up by the gnome-terminal
1063 * people to get around a limitation in gtk. The problem is
1064 * that in order to set the size correctly we really need to be
1065 * calling gtk_window_resize - but that needs to know the size
1066 * of the _whole window_, not the drawing area. So what we do
1067 * is to set an artificially huge size request on the drawing
1068 * area, recompute the resulting size request on the window,
1069 * and look at the difference between the two. That gives us
1070 * the x and y offsets we need to translate drawing area size
1071 * into window size for real, and then we call
1072 * gtk_window_resize.
1076 * We start by retrieving the current size of the whole window.
1077 * Adding a bit to _that_ will give us a value we can use as a
1078 * bogus size request which guarantees to be bigger than the
1079 * current size of the drawing area.
1081 get_window_pixels(inst
, &large_x
, &large_y
);
1085 #if GTK_CHECK_VERSION(2,0,0)
1086 gtk_widget_set_size_request(inst
->area
, large_x
, large_y
);
1088 gtk_widget_set_usize(inst
->area
, large_x
, large_y
);
1090 gtk_widget_size_request(inst
->area
, &inner
);
1091 gtk_widget_size_request(inst
->window
, &outer
);
1093 offset_x
= outer
.width
- inner
.width
;
1094 offset_y
= outer
.height
- inner
.height
;
1096 area_x
= inst
->font_width
* w
+ 2*cfg
.window_border
;
1097 area_y
= inst
->font_height
* h
+ 2*cfg
.window_border
;
1100 * Now we must set the size request on the drawing area back to
1101 * something sensible before we commit the real resize. Best
1102 * way to do this, I think, is to set it to what the size is
1103 * really going to end up being.
1105 #if GTK_CHECK_VERSION(2,0,0)
1106 gtk_widget_set_size_request(inst
->area
, area_x
, area_y
);
1108 gtk_widget_set_usize(inst
->area
, area_x
, area_y
);
1111 #if GTK_CHECK_VERSION(2,0,0)
1112 gtk_window_resize(GTK_WINDOW(inst
->window
),
1113 area_x
+ offset_x
, area_y
+ offset_y
);
1115 gdk_window_resize(inst
->window
->window
,
1116 area_x
+ offset_x
, area_y
+ offset_y
);
1120 static void real_palette_set(struct gui_data
*inst
, int n
, int r
, int g
, int b
)
1122 gboolean success
[1];
1124 inst
->cols
[n
].red
= r
* 0x0101;
1125 inst
->cols
[n
].green
= g
* 0x0101;
1126 inst
->cols
[n
].blue
= b
* 0x0101;
1128 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
1129 FALSE
, FALSE
, success
);
1131 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1135 void set_window_background(struct gui_data
*inst
)
1137 if (inst
->area
&& inst
->area
->window
)
1138 gdk_window_set_background(inst
->area
->window
, &inst
->cols
[18]);
1139 if (inst
->window
&& inst
->window
->window
)
1140 gdk_window_set_background(inst
->window
->window
, &inst
->cols
[18]);
1143 void palette_set(void *frontend
, int n
, int r
, int g
, int b
)
1145 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1146 static const int first
[21] = {
1147 0, 2, 4, 6, 8, 10, 12, 14,
1148 1, 3, 5, 7, 9, 11, 13, 15,
1151 real_palette_set(inst
, first
[n
], r
, g
, b
);
1153 real_palette_set(inst
, first
[n
] + 1, r
, g
, b
);
1155 set_window_background(inst
);
1158 void palette_reset(void *frontend
)
1160 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1161 /* This maps colour indices in cfg to those used in inst->cols. */
1162 static const int ww
[] = {
1163 6, 7, 8, 9, 10, 11, 12, 13,
1164 14, 15, 16, 17, 18, 19, 20, 21,
1167 gboolean success
[NCOLOURS
];
1170 assert(lenof(ww
) == NCOLOURS
);
1172 if (!inst
->colmap
) {
1173 inst
->colmap
= gdk_colormap_get_system();
1175 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
1178 for (i
= 0; i
< NCOLOURS
; i
++) {
1179 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
1180 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
1181 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
1184 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
1185 FALSE
, FALSE
, success
);
1186 for (i
= 0; i
< NCOLOURS
; i
++) {
1188 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
1189 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
1192 set_window_background(inst
);
1195 void write_clip(void *frontend
, wchar_t * data
, int len
, int must_deselect
)
1197 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1198 if (inst
->pasteout_data
)
1199 sfree(inst
->pasteout_data
);
1200 inst
->pasteout_data
= smalloc(len
);
1201 inst
->pasteout_data_len
= len
;
1202 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
1205 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
1206 GDK_CURRENT_TIME
)) {
1207 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1208 GDK_SELECTION_TYPE_STRING
, 1);
1209 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
1210 inst
->compound_text_atom
, 1);
1214 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1215 guint info
, guint time_stamp
, gpointer data
)
1217 struct gui_data
*inst
= (struct gui_data
*)data
;
1218 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
1219 inst
->pasteout_data
, inst
->pasteout_data_len
);
1222 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1225 struct gui_data
*inst
= (struct gui_data
*)data
;
1226 term_deselect(inst
->term
);
1227 if (inst
->pasteout_data
)
1228 sfree(inst
->pasteout_data
);
1229 inst
->pasteout_data
= NULL
;
1230 inst
->pasteout_data_len
= 0;
1234 void request_paste(void *frontend
)
1236 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1238 * In Unix, pasting is asynchronous: all we can do at the
1239 * moment is to call gtk_selection_convert(), and when the data
1240 * comes back _then_ we can call term_do_paste().
1242 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
1243 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
1246 gint
idle_paste_func(gpointer data
); /* forward ref */
1248 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1249 guint time
, gpointer data
)
1251 struct gui_data
*inst
= (struct gui_data
*)data
;
1253 if (seldata
->length
<= 0 ||
1254 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
1255 return; /* Nothing happens. */
1257 if (inst
->pastein_data
)
1258 sfree(inst
->pastein_data
);
1260 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
1261 inst
->pastein_data_len
= seldata
->length
;
1262 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
1263 inst
->pastein_data
, inst
->pastein_data_len
);
1265 term_do_paste(inst
->term
);
1267 if (term_paste_pending(inst
->term
))
1268 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
1271 gint
idle_paste_func(gpointer data
)
1273 struct gui_data
*inst
= (struct gui_data
*)data
;
1275 if (term_paste_pending(inst
->term
))
1276 term_paste(inst
->term
);
1278 gtk_idle_remove(inst
->term_paste_idle_id
);
1284 void get_clip(void *frontend
, wchar_t ** p
, int *len
)
1286 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1289 *p
= inst
->pastein_data
;
1290 *len
= inst
->pastein_data_len
;
1294 void set_title(void *frontend
, char *title
)
1296 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1297 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1298 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1299 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1302 void set_icon(void *frontend
, char *title
)
1304 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1305 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1306 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1307 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1310 void set_sbar(void *frontend
, int total
, int start
, int page
)
1312 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1315 inst
->sbar_adjust
->lower
= 0;
1316 inst
->sbar_adjust
->upper
= total
;
1317 inst
->sbar_adjust
->value
= start
;
1318 inst
->sbar_adjust
->page_size
= page
;
1319 inst
->sbar_adjust
->step_increment
= 1;
1320 inst
->sbar_adjust
->page_increment
= page
/2;
1321 inst
->ignore_sbar
= TRUE
;
1322 gtk_adjustment_changed(inst
->sbar_adjust
);
1323 inst
->ignore_sbar
= FALSE
;
1326 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1328 struct gui_data
*inst
= (struct gui_data
*)data
;
1332 if (!inst
->ignore_sbar
)
1333 term_scroll(inst
->term
, 1, (int)adj
->value
);
1336 void sys_cursor(void *frontend
, int x
, int y
)
1339 * This is meaningless under X.
1344 * This is still called when mode==BELL_VISUAL, even though the
1345 * visual bell is handled entirely within terminal.c, because we
1346 * may want to perform additional actions on any kind of bell (for
1347 * example, taskbar flashing in Windows).
1349 void beep(void *frontend
, int mode
)
1351 if (mode
!= BELL_VISUAL
)
1355 int CharWidth(Context ctx
, int uc
)
1358 * Under X, any fixed-width font really _is_ fixed-width.
1359 * Double-width characters will be dealt with using a separate
1360 * font. For the moment we can simply return 1.
1365 Context
get_ctx(void *frontend
)
1367 struct gui_data
*inst
= (struct gui_data
*)frontend
;
1368 struct draw_ctx
*dctx
;
1370 if (!inst
->area
->window
)
1373 dctx
= smalloc(sizeof(*dctx
));
1375 dctx
->gc
= gdk_gc_new(inst
->area
->window
);
1379 void free_ctx(Context ctx
)
1381 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1382 /* struct gui_data *inst = dctx->inst; */
1383 GdkGC
*gc
= dctx
->gc
;
1389 * Draw a line of text in the window, at given character
1390 * coordinates, in given attributes.
1392 * We are allowed to fiddle with the contents of `text'.
1394 void do_text_internal(Context ctx
, int x
, int y
, char *text
, int len
,
1395 unsigned long attr
, int lattr
)
1397 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1398 struct gui_data
*inst
= dctx
->inst
;
1399 GdkGC
*gc
= dctx
->gc
;
1401 int nfg
, nbg
, t
, fontid
, shadow
;
1405 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1408 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1409 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1410 if (attr
& ATTR_REVERSE
) {
1415 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1417 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1419 if (attr
& TATTR_ACTCURS
) {
1424 fontid
= shadow
= 0;
1425 if ((attr
& ATTR_BOLD
) && !cfg
.bold_colour
) {
1432 if (lattr
!= LATTR_NORM
) {
1434 if (x
>= inst
->term
->cols
)
1436 if (x
+ len
*2 > inst
->term
->cols
)
1437 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1440 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1441 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1442 x
*inst
->font_width
+cfg
.window_border
,
1443 y
*inst
->font_height
+cfg
.window_border
,
1444 len
*inst
->font_width
, inst
->font_height
);
1446 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1447 gdk_draw_text(inst
->pixmap
, inst
->fonts
[fontid
], gc
,
1448 x
*inst
->font_width
+cfg
.window_border
,
1449 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1453 gdk_draw_text(inst
->pixmap
, inst
->fonts
[fontid
], gc
,
1454 x
*inst
->font_width
+cfg
.window_border
+ cfg
.shadowboldoffset
,
1455 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1459 if (attr
& ATTR_UNDER
) {
1460 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1461 if (uheight
>= inst
->font_height
)
1462 uheight
= inst
->font_height
- 1;
1463 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1464 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1465 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1466 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1469 if (lattr
!= LATTR_NORM
) {
1471 * I can't find any plausible StretchBlt equivalent in the
1472 * X server, so I'm going to do this the slow and painful
1473 * way. This will involve repeated calls to
1474 * gdk_draw_pixmap() to stretch the text horizontally. It's
1475 * O(N^2) in time and O(N) in network bandwidth, but you
1476 * try thinking of a better way. :-(
1479 for (i
= 0; i
< len
* inst
->font_width
; i
++) {
1480 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1481 x
*inst
->font_width
+cfg
.window_border
+ 2*i
,
1482 y
*inst
->font_height
+cfg
.window_border
,
1483 x
*inst
->font_width
+cfg
.window_border
+ 2*i
+1,
1484 y
*inst
->font_height
+cfg
.window_border
,
1485 len
* inst
->font_width
- i
, inst
->font_height
);
1488 if (lattr
!= LATTR_WIDE
) {
1490 /* Now stretch vertically, in the same way. */
1491 if (lattr
== LATTR_BOT
)
1495 for (i
= 0; i
< inst
->font_height
; i
+=2) {
1496 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1497 x
*inst
->font_width
+cfg
.window_border
,
1498 y
*inst
->font_height
+cfg
.window_border
+dt
*i
+db
,
1499 x
*inst
->font_width
+cfg
.window_border
,
1500 y
*inst
->font_height
+cfg
.window_border
+dt
*(i
+1),
1501 len
* inst
->font_width
, inst
->font_height
-i
-1);
1507 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1508 unsigned long attr
, int lattr
)
1510 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1511 struct gui_data
*inst
= dctx
->inst
;
1512 GdkGC
*gc
= dctx
->gc
;
1514 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
1516 if (lattr
!= LATTR_NORM
) {
1518 if (x
>= inst
->term
->cols
)
1520 if (x
+ len
*2 > inst
->term
->cols
)
1521 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1525 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1526 x
*inst
->font_width
+cfg
.window_border
,
1527 y
*inst
->font_height
+cfg
.window_border
,
1528 x
*inst
->font_width
+cfg
.window_border
,
1529 y
*inst
->font_height
+cfg
.window_border
,
1530 len
*inst
->font_width
, inst
->font_height
);
1533 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1534 unsigned long attr
, int lattr
)
1536 struct draw_ctx
*dctx
= (struct draw_ctx
*)ctx
;
1537 struct gui_data
*inst
= dctx
->inst
;
1538 GdkGC
*gc
= dctx
->gc
;
1542 if (attr
& TATTR_PASCURS
) {
1543 attr
&= ~TATTR_PASCURS
;
1547 if ((attr
& TATTR_ACTCURS
) && cfg
.cursor_type
!= 0) {
1548 attr
&= ~TATTR_ACTCURS
;
1550 do_text_internal(ctx
, x
, y
, text
, len
, attr
, lattr
);
1552 if (lattr
!= LATTR_NORM
) {
1554 if (x
>= inst
->term
->cols
)
1556 if (x
+ len
*2 > inst
->term
->cols
)
1557 len
= (inst
->term
->cols
-x
)/2; /* trim to LH half */
1561 if (cfg
.cursor_type
== 0) {
1563 * An active block cursor will already have been done by
1564 * the above do_text call, so we only need to do anything
1568 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1569 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1570 x
*inst
->font_width
+cfg
.window_border
,
1571 y
*inst
->font_height
+cfg
.window_border
,
1572 len
*inst
->font_width
-1, inst
->font_height
-1);
1576 int startx
, starty
, dx
, dy
, length
, i
;
1580 if ((attr
& ATTR_WIDE
) || lattr
!= LATTR_NORM
)
1581 char_width
= 2*inst
->font_width
;
1583 char_width
= inst
->font_width
;
1585 if (cfg
.cursor_type
== 1) {
1586 uheight
= inst
->fonts
[0]->ascent
+ 1;
1587 if (uheight
>= inst
->font_height
)
1588 uheight
= inst
->font_height
- 1;
1590 startx
= x
* inst
->font_width
+ cfg
.window_border
;
1591 starty
= y
* inst
->font_height
+ cfg
.window_border
+ uheight
;
1594 length
= len
* char_width
;
1597 if (attr
& TATTR_RIGHTCURS
)
1598 xadjust
= char_width
- 1;
1599 startx
= x
* inst
->font_width
+ cfg
.window_border
+ xadjust
;
1600 starty
= y
* inst
->font_height
+ cfg
.window_border
;
1603 length
= inst
->font_height
;
1606 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1608 for (i
= 0; i
< length
; i
++) {
1610 gdk_draw_point(inst
->pixmap
, gc
, startx
, starty
);
1616 gdk_draw_line(inst
->pixmap
, gc
, startx
, starty
,
1617 startx
+ (length
-1) * dx
, starty
+ (length
-1) * dy
);
1621 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1622 x
*inst
->font_width
+cfg
.window_border
,
1623 y
*inst
->font_height
+cfg
.window_border
,
1624 x
*inst
->font_width
+cfg
.window_border
,
1625 y
*inst
->font_height
+cfg
.window_border
,
1626 len
*inst
->font_width
, inst
->font_height
);
1629 GdkCursor
*make_mouse_ptr(struct gui_data
*inst
, int cursor_val
)
1632 * Truly hideous hack: GTK doesn't allow us to set the mouse
1633 * cursor foreground and background colours unless we've _also_
1634 * created our own cursor from bitmaps. Therefore, I need to
1635 * load the `cursor' font and draw glyphs from it on to
1636 * pixmaps, in order to construct my cursors with the fg and bg
1637 * I want. This is a gross hack, but it's more self-contained
1638 * than linking in Xlib to find the X window handle to
1639 * inst->area and calling XRecolorCursor, and it's more
1640 * futureproof than hard-coding the shapes as bitmap arrays.
1642 static GdkFont
*cursor_font
= NULL
;
1643 GdkPixmap
*source
, *mask
;
1645 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1646 GdkColor cbg
= { 0, 0, 0, 0 };
1647 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1648 GdkColor dbg
= { 0, 0, 0, 0 };
1651 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1653 if (cursor_val
== -2) {
1654 gdk_font_unref(cursor_font
);
1658 if (cursor_val
>= 0 && !cursor_font
)
1659 cursor_font
= gdk_font_load("cursor");
1662 * Get the text extent of the cursor in question. We use the
1663 * mask character for this, because it's typically slightly
1664 * bigger than the main character.
1666 if (cursor_val
>= 0) {
1668 text
[0] = (char)cursor_val
+ 1;
1669 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1670 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1676 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1677 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1680 * Draw the mask character on the mask pixmap.
1682 gc
= gdk_gc_new(mask
);
1683 gdk_gc_set_foreground(gc
, &dbg
);
1684 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1685 if (cursor_val
>= 0) {
1687 text
[0] = (char)cursor_val
+ 1;
1688 gdk_gc_set_foreground(gc
, &dfg
);
1689 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1694 * Draw the main character on the source pixmap.
1696 gc
= gdk_gc_new(source
);
1697 gdk_gc_set_foreground(gc
, &dbg
);
1698 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1699 if (cursor_val
>= 0) {
1701 text
[0] = (char)cursor_val
;
1702 gdk_gc_set_foreground(gc
, &dfg
);
1703 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1708 * Create the cursor.
1710 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1715 gdk_pixmap_unref(source
);
1716 gdk_pixmap_unref(mask
);
1721 void modalfatalbox(char *p
, ...)
1724 fprintf(stderr
, "FATAL ERROR: ");
1726 vfprintf(stderr
, p
, ap
);
1728 fputc('\n', stderr
);
1732 char *get_x_display(void *frontend
)
1734 return gdk_get_display();
1737 static void help(FILE *fp
) {
1739 "pterm option summary:\n"
1741 " --display DISPLAY Specify X display to use (note '--')\n"
1742 " -name PREFIX Prefix when looking up resources (default: pterm)\n"
1743 " -fn FONT Normal text font\n"
1744 " -fb FONT Bold text font\n"
1745 " -geometry WIDTHxHEIGHT Size of terminal in characters\n"
1746 " -sl LINES Number of lines of scrollback\n"
1747 " -fg COLOUR, -bg COLOUR Foreground/background colour\n"
1748 " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
1749 " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
1750 " -T TITLE Window title\n"
1751 " -ut, +ut Do(default) or do not update utmp\n"
1752 " -ls, +ls Do(default) or do not make shell a login shell\n"
1753 " -sb, +sb Do(default) or do not display a scrollbar\n"
1754 " -log PATH Log all output to a file\n"
1755 " -nethack Map numeric keypad to hjklyubn direction keys\n"
1756 " -xrm RESOURCE-STRING Set an X resource\n"
1757 " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
1758 ) < 0 || fflush(fp
) < 0) {
1759 perror("output error");
1764 int do_cmdline(int argc
, char **argv
, int do_everything
)
1767 extern char **pty_argv
; /* declared in pty.c */
1770 * Macros to make argument handling easier.
1772 #define EXPECTS_ARG do { \
1773 if (--argc <= 0) { \
1775 fprintf(stderr, "pterm: %s expects an argument\n", p); \
1779 #define SECOND_PASS_ONLY do { \
1780 if (!do_everything) continue; \
1790 while (--argc
> 0) {
1792 if (!strcmp(p
, "-fn") || !strcmp(p
, "-font")) {
1795 strncpy(cfg
.font
, val
, sizeof(cfg
.font
));
1796 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1798 } else if (!strcmp(p
, "-fb")) {
1801 strncpy(cfg
.boldfont
, val
, sizeof(cfg
.boldfont
));
1802 cfg
.boldfont
[sizeof(cfg
.boldfont
)-1] = '\0';
1804 } else if (!strcmp(p
, "-geometry")) {
1805 int flags
, x
, y
, w
, h
;
1809 flags
= XParseGeometry(val
, &x
, &y
, &w
, &h
);
1810 if (flags
& WidthValue
)
1812 if (flags
& HeightValue
)
1816 * Apparently setting the initial window position is
1817 * difficult in GTK 1.2. Not entirely sure why this
1818 * should be. 2.0 has gtk_window_parse_geometry(),
1819 * which would help... For the moment, though, I can't
1820 * be bothered with this.
1823 } else if (!strcmp(p
, "-sl")) {
1826 cfg
.savelines
= atoi(val
);
1828 } else if (!strcmp(p
, "-fg") || !strcmp(p
, "-bg") ||
1829 !strcmp(p
, "-bfg") || !strcmp(p
, "-bbg") ||
1830 !strcmp(p
, "-cfg") || !strcmp(p
, "-cbg")) {
1835 if (!gdk_color_parse(val
, &col
)) {
1837 fprintf(stderr
, "pterm: unable to parse colour \"%s\"\n", val
);
1840 index
= (!strcmp(p
, "-fg") ?
0 :
1841 !strcmp(p
, "-bg") ?
2 :
1842 !strcmp(p
, "-bfg") ?
1 :
1843 !strcmp(p
, "-bbg") ?
3 :
1844 !strcmp(p
, "-cfg") ?
4 :
1845 !strcmp(p
, "-cbg") ?
5 : -1);
1846 assert(index
!= -1);
1847 cfg
.colours
[index
][0] = col
.red
/ 256;
1848 cfg
.colours
[index
][1] = col
.green
/ 256;
1849 cfg
.colours
[index
][2] = col
.blue
/ 256;
1852 } else if (!strcmp(p
, "-e")) {
1853 /* This option swallows all further arguments. */
1859 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1861 for (i
= 0; i
< argc
; i
++)
1862 pty_argv
[i
] = argv
[i
];
1863 pty_argv
[argc
] = NULL
;
1864 break; /* finished command-line processing */
1866 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1868 } else if (!strcmp(p
, "-T")) {
1871 strncpy(cfg
.wintitle
, val
, sizeof(cfg
.wintitle
));
1872 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1874 } else if (!strcmp(p
, "-log")) {
1877 strncpy(cfg
.logfilename
, val
, sizeof(cfg
.logfilename
));
1878 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1879 cfg
.logtype
= LGTYP_DEBUG
;
1881 } else if (!strcmp(p
, "-ut-") || !strcmp(p
, "+ut")) {
1885 } else if (!strcmp(p
, "-ut")) {
1889 } else if (!strcmp(p
, "-ls-") || !strcmp(p
, "+ls")) {
1891 cfg
.login_shell
= 0;
1893 } else if (!strcmp(p
, "-ls")) {
1895 cfg
.login_shell
= 1;
1897 } else if (!strcmp(p
, "-nethack")) {
1899 cfg
.nethack_keypad
= 1;
1901 } else if (!strcmp(p
, "-sb-") || !strcmp(p
, "+sb")) {
1905 } else if (!strcmp(p
, "-sb")) {
1909 } else if (!strcmp(p
, "-name")) {
1913 } else if (!strcmp(p
, "-xrm")) {
1915 provide_xrm_string(val
);
1917 } else if(!strcmp(p
, "-help") || !strcmp(p
, "--help")) {
1923 fprintf(stderr
, "pterm: unrecognized option '%s'\n", p
);
1930 int main(int argc
, char **argv
)
1932 extern int pty_master_fd
; /* declared in pty.c */
1933 extern void pty_pre_init(void); /* declared in pty.c */
1934 struct gui_data
*inst
;
1938 gtk_init(&argc
, &argv
);
1940 if (do_cmdline(argc
, argv
, 0)) /* pre-defaults pass to get -class */
1942 do_defaults(NULL
, &cfg
);
1943 if (do_cmdline(argc
, argv
, 1)) /* post-defaults, do everything */
1947 * Create an instance structure and initialise to zeroes
1949 inst
= smalloc(sizeof(*inst
));
1950 memset(inst
, 0, sizeof(*inst
));
1951 inst
->alt_keycode
= -1; /* this one needs _not_ to be zero */
1953 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1954 if (!inst
->fonts
[0]) {
1955 fprintf(stderr
, "pterm: unable to load font \"%s\"\n", cfg
.font
);
1958 if (cfg
.boldfont
[0]) {
1959 inst
->fonts
[1] = gdk_font_load(cfg
.boldfont
);
1960 if (!inst
->fonts
[1]) {
1961 fprintf(stderr
, "pterm: unable to load bold font \"%s\"\n",
1966 inst
->fonts
[1] = NULL
;
1968 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1969 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1971 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1975 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1977 if (cfg
.wintitle
[0])
1978 set_title(inst
, cfg
.wintitle
);
1980 set_title(inst
, "pterm");
1983 * Set up the colour map.
1985 palette_reset(inst
);
1987 inst
->area
= gtk_drawing_area_new();
1988 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1989 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1990 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1991 if (cfg
.scrollbar
) {
1992 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
1993 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1995 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1996 if (cfg
.scrollbar
) {
1997 if (cfg
.scrollbar_on_left
)
1998 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
2000 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
2002 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
2004 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
2008 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
2009 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
2010 geom
.max_width
= geom
.max_height
= -1;
2011 geom
.base_width
= 2*cfg
.window_border
;
2012 geom
.base_height
= 2*cfg
.window_border
;
2013 geom
.width_inc
= inst
->font_width
;
2014 geom
.height_inc
= inst
->font_height
;
2015 geom
.min_aspect
= geom
.max_aspect
= 0;
2016 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
2017 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
2018 GDK_HINT_RESIZE_INC
);
2021 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
2022 GTK_SIGNAL_FUNC(destroy
), inst
);
2023 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
2024 GTK_SIGNAL_FUNC(delete_window
), inst
);
2025 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
2026 GTK_SIGNAL_FUNC(key_event
), inst
);
2027 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_release_event",
2028 GTK_SIGNAL_FUNC(key_event
), inst
);
2029 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
2030 GTK_SIGNAL_FUNC(focus_event
), inst
);
2031 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
2032 GTK_SIGNAL_FUNC(focus_event
), inst
);
2033 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
2034 GTK_SIGNAL_FUNC(configure_area
), inst
);
2035 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
2036 GTK_SIGNAL_FUNC(expose_area
), inst
);
2037 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
2038 GTK_SIGNAL_FUNC(button_event
), inst
);
2039 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
2040 GTK_SIGNAL_FUNC(button_event
), inst
);
2041 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
2042 GTK_SIGNAL_FUNC(motion_event
), inst
);
2043 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
2044 GTK_SIGNAL_FUNC(selection_received
), inst
);
2045 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
2046 GTK_SIGNAL_FUNC(selection_get
), inst
);
2047 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
2048 GTK_SIGNAL_FUNC(selection_clear
), inst
);
2050 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
2051 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
2052 gtk_timeout_add(20, timer_func
, inst
);
2053 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
2054 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
2055 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
2056 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
2058 gtk_widget_show(inst
->area
);
2060 gtk_widget_show(inst
->sbar
);
2061 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
2062 gtk_widget_show(inst
->window
);
2064 set_window_background(inst
);
2066 inst
->textcursor
= make_mouse_ptr(inst
, GDK_XTERM
);
2067 inst
->rawcursor
= make_mouse_ptr(inst
, GDK_LEFT_PTR
);
2068 inst
->blankcursor
= make_mouse_ptr(inst
, -1);
2069 make_mouse_ptr(inst
, -2); /* clean up cursor font */
2070 inst
->currcursor
= inst
->textcursor
;
2071 show_mouseptr(inst
, 1);
2073 inst
->term
= term_init(inst
);
2074 inst
->logctx
= log_init(inst
);
2075 term_provide_logctx(inst
->term
, inst
->logctx
);
2077 inst
->back
= &pty_backend
;
2078 inst
->back
->init((void *)inst
->term
, &inst
->backhandle
, NULL
, 0, NULL
, 0);
2079 inst
->back
->provide_logctx(inst
->backhandle
, inst
->logctx
);
2081 term_provide_resize_fn(inst
->term
, inst
->back
->size
, inst
->backhandle
);
2083 term_size(inst
->term
, cfg
.height
, cfg
.width
, cfg
.savelines
);
2085 inst
->ldisc
= ldisc_create(inst
->term
, inst
->back
, inst
->backhandle
, inst
);
2086 ldisc_send(inst
->ldisc
, NULL
, 0, 0);/* cause ldisc to notice changes */
2088 inst
->master_fd
= pty_master_fd
;
2089 inst
->exited
= FALSE
;
2090 inst
->master_func_id
= gdk_input_add(pty_master_fd
, GDK_INPUT_READ
,
2091 pty_input_func
, inst
);