2 * pterm - a fusion of the PuTTY terminal emulator with a Unix pty
3 * back end, all running as a GTK application. Wish me luck.
15 #include <gdk/gdkkeysyms.h>
17 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
20 #define CAT2(x,y) x ## y
21 #define CAT(x,y) CAT2(x,y)
22 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
24 #define NCOLOURS (lenof(((Config *)0)->colours))
27 GtkWidget
*window
, *area
, *sbar
;
29 GtkAdjustment
*sbar_adjust
;
31 GdkFont
*fonts
[2]; /* normal and bold (for now!) */
32 GdkCursor
*rawcursor
, *textcursor
, *blankcursor
, *currcursor
;
33 GdkColor cols
[NCOLOURS
];
35 wchar_t *pastein_data
;
38 int pasteout_data_len
;
39 int font_width
, font_height
;
42 guint term_paste_idle_id
;
43 GdkAtom compound_text_atom
;
44 char wintitle
[sizeof(((Config
*)0)->wintitle
)];
45 char icontitle
[sizeof(((Config
*)0)->wintitle
)];
48 static struct gui_data the_inst
;
49 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
50 static int send_raw_mouse
;
52 void ldisc_update(int echo
, int edit
)
55 * This is a stub in pterm. If I ever produce a Unix
56 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
57 * then it will require some termios manoeuvring analogous to
58 * that in the Windows plink.c, but here it's meaningless.
62 int askappend(char *filename
)
65 * Logging in an xterm-alike is liable to be something you only
66 * do at serious diagnostic need. Hence, I'm going to take the
67 * easy option for now and assume we always want to overwrite
68 * log files. I can always make it properly configurable later.
73 void logevent(char *string
)
76 * This is not a very helpful function: events are logged
77 * pretty much exclusively by the back end, and our pty back
78 * end is self-contained. So we need do nothing.
83 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
84 * into a cooked one (SELECT, EXTEND, PASTE).
86 * In Unix, this is not configurable; the X button arrangement is
87 * rock-solid across all applications, everyone has a three-button
88 * mouse or a means of faking it, and there is no need to switch
89 * buttons around at all.
91 Mouse_Button
translate_button(Mouse_Button button
)
93 if (button
== MBT_LEFT
)
95 if (button
== MBT_MIDDLE
)
97 if (button
== MBT_RIGHT
)
99 return 0; /* shouldn't happen */
103 * Minimise or restore the window in response to a server-side
106 void set_iconic(int iconic
)
109 * GTK 1.2 doesn't know how to do this.
111 #if GTK_CHECK_VERSION(2,0,0)
113 gtk_window_iconify(GTK_WINDOW(inst
->window
));
115 gtk_window_deiconify(GTK_WINDOW(inst
->window
));
120 * Move the window in response to a server-side request.
122 void move_window(int x
, int y
)
125 * I assume that when the GTK version of this call is available
126 * we should use it. Not sure how it differs from the GDK one,
129 #if GTK_CHECK_VERSION(2,0,0)
130 gtk_window_move(GTK_WINDOW(inst
->window
), x
, y
);
132 gdk_window_move(inst
->window
->window
, x
, y
);
137 * Move the window to the top or bottom of the z-order in response
138 * to a server-side request.
140 void set_zorder(int top
)
143 gdk_window_raise(inst
->window
->window
);
145 gdk_window_lower(inst
->window
->window
);
149 * Refresh the window in response to a server-side request.
151 void refresh_window(void)
157 * Maximise or restore the window in response to a server-side
160 void set_zoomed(int zoomed
)
163 * GTK 1.2 doesn't know how to do this.
165 #if GTK_CHECK_VERSION(2,0,0)
167 gtk_window_maximize(GTK_WINDOW(inst
->window
));
169 gtk_window_unmaximize(GTK_WINDOW(inst
->window
));
174 * Report whether the window is iconic, for terminal reports.
178 return !gdk_window_is_viewable(inst
->window
->window
);
182 * Report the window's position, for terminal reports.
184 void get_window_pos(int *x
, int *y
)
187 * I assume that when the GTK version of this call is available
188 * we should use it. Not sure how it differs from the GDK one,
191 #if GTK_CHECK_VERSION(2,0,0)
192 gtk_window_get_position(GTK_WINDOW(inst
->window
), x
, y
);
194 gdk_window_get_position(inst
->window
->window
, x
, y
);
199 * Report the window's pixel size, for terminal reports.
201 void get_window_pixels(int *x
, int *y
)
204 * I assume that when the GTK version of this call is available
205 * we should use it. Not sure how it differs from the GDK one,
208 #if GTK_CHECK_VERSION(2,0,0)
209 gtk_window_get_size(GTK_WINDOW(inst
->window
), x
, y
);
211 gdk_window_get_size(inst
->window
->window
, x
, y
);
216 * Return the window or icon title.
218 char *get_window_title(int icon
)
220 return icon ? inst
->wintitle
: inst
->icontitle
;
223 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
226 * We could implement warn-on-close here if we really wanted
232 void show_mouseptr(int show
)
234 if (!cfg
.hide_mouseptr
)
237 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
239 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
240 inst
->mouseptr_visible
= show
;
243 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
245 struct gui_data
*inst
= (struct gui_data
*)data
;
246 int w
, h
, need_size
= 0;
248 printf("configure %d x %d\n", event
->width
, event
->height
);
249 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
250 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
251 printf(" = %d x %d\n", w
, h
);
253 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
255 gdk_pixmap_unref(inst
->pixmap
);
261 printf("need size\n");
266 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
267 (cfg
.width
* inst
->font_width
+
268 2*cfg
.window_border
),
269 (cfg
.height
* inst
->font_height
+
270 2*cfg
.window_border
), -1);
272 gc
= gdk_gc_new(inst
->area
->window
);
273 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
274 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
275 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
276 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
281 term_size(h
, w
, cfg
.savelines
);
287 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
289 /* struct gui_data *inst = (struct gui_data *)data; */
292 * Pass the exposed rectangle to terminal.c, which will call us
293 * back to do the actual painting.
296 gdk_draw_pixmap(widget
->window
,
297 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
299 event
->area
.x
, event
->area
.y
,
300 event
->area
.x
, event
->area
.y
,
301 event
->area
.width
, event
->area
.height
);
306 #define KEY_PRESSED(k) \
307 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
309 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
311 /* struct gui_data *inst = (struct gui_data *)data; */
315 if (event
->type
== GDK_KEY_PRESS
) {
319 printf("keypress: keyval = %04x, state = %08x; string =",
320 event
->keyval
, event
->state
);
321 for (i
= 0; event
->string
[i
]; i
++)
322 printf(" %02x", (unsigned char) event
->string
[i
]);
330 * - Compose key (!!! requires Unicode faff before even trying)
334 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
337 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
338 term_scroll(0, -cfg
.height
/2);
341 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
342 term_scroll(0, +cfg
.height
/2);
347 * Neither does Shift-Ins.
349 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
354 /* ALT+things gives leading Escape. */
356 strncpy(output
+1, event
->string
, 31);
358 end
= strlen(output
);
359 if (event
->state
& GDK_MOD1_MASK
)
364 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
365 if (!event
->string
[0] && event
->keyval
== '`' &&
366 (event
->state
& GDK_CONTROL_MASK
)) {
371 /* Control-Break is the same as Control-C */
372 if (event
->keyval
== GDK_Break
&&
373 (event
->state
& GDK_CONTROL_MASK
)) {
378 /* Control-2, Control-Space and Control-@ are NUL */
379 if (!event
->string
[0] &&
380 (event
->keyval
== ' ' || event
->keyval
== '2' ||
381 event
->keyval
== '@') &&
382 (event
->state
& (GDK_SHIFT_MASK
|
383 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
388 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
389 if (!event
->string
[0] && event
->keyval
== ' ' &&
390 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
391 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
396 /* We don't let GTK tell us what Backspace is! We know better. */
397 if (event
->keyval
== GDK_BackSpace
&&
398 !(event
->state
& GDK_SHIFT_MASK
)) {
399 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
403 /* Shift-Tab is ESC [ Z */
404 if (event
->keyval
== GDK_ISO_Left_Tab
||
405 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
406 end
= 1 + sprintf(output
+1, "\033[Z");
410 * NetHack keypad mode.
412 if (cfg
.nethack_keypad
) {
414 switch (event
->keyval
) {
415 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
416 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
417 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
418 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
419 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
420 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
421 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
422 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
423 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
427 if (event
->state
& GDK_SHIFT_MASK
)
436 * Application keypad mode.
438 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
440 switch (event
->keyval
) {
441 case GDK_Num_Lock
: xkey
= 'P'; break;
442 case GDK_KP_Divide
: xkey
= 'Q'; break;
443 case GDK_KP_Multiply
: xkey
= 'R'; break;
444 case GDK_KP_Subtract
: xkey
= 'S'; break;
446 * Keypad + is tricky. It covers a space that would
447 * be taken up on the VT100 by _two_ keys; so we
448 * let Shift select between the two. Worse still,
449 * in xterm function key mode we change which two...
452 if (cfg
.funky_type
== 2) {
453 if (event
->state
& GDK_SHIFT_MASK
)
457 } else if (event
->state
& GDK_SHIFT_MASK
)
462 case GDK_KP_Enter
: xkey
= 'M'; break;
463 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
464 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
465 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
466 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
467 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
468 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
469 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
470 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
471 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
472 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
473 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
477 if (xkey
>= 'P' && xkey
<= 'S')
478 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
480 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
482 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
488 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
489 * for integer decimal nn.)
491 * We also deal with the weird ones here. Linux VCs replace F1
492 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
493 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
498 switch (event
->keyval
) {
500 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
503 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
506 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
509 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
512 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
515 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
518 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
521 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
524 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
527 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
560 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
561 case GDK_Home
: case GDK_KP_Home
:
564 case GDK_Insert
: case GDK_KP_Insert
:
567 case GDK_Delete
: case GDK_KP_Delete
:
570 case GDK_End
: case GDK_KP_End
:
573 case GDK_Page_Up
: case GDK_KP_Page_Up
:
576 case GDK_Page_Down
: case GDK_KP_Page_Down
:
580 /* Reorder edit keys to physical order */
581 if (cfg
.funky_type
== 3 && code
<= 6)
582 code
= "\0\2\1\4\5\3\6"[code
];
584 if (vt52_mode
&& code
> 0 && code
<= 6) {
585 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
589 if (cfg
.funky_type
== 5 && /* SCO function keys */
590 code
>= 11 && code
<= 34) {
591 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
593 switch (event
->keyval
) {
594 case GDK_F1
: index
= 0; break;
595 case GDK_F2
: index
= 1; break;
596 case GDK_F3
: index
= 2; break;
597 case GDK_F4
: index
= 3; break;
598 case GDK_F5
: index
= 4; break;
599 case GDK_F6
: index
= 5; break;
600 case GDK_F7
: index
= 6; break;
601 case GDK_F8
: index
= 7; break;
602 case GDK_F9
: index
= 8; break;
603 case GDK_F10
: index
= 9; break;
604 case GDK_F11
: index
= 10; break;
605 case GDK_F12
: index
= 11; break;
607 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
608 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
609 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
612 if (cfg
.funky_type
== 5 && /* SCO small keypad */
613 code
>= 1 && code
<= 6) {
614 char codes
[] = "HL.FIG";
619 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
623 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
630 end
= 1 + sprintf(output
+1,
631 "\x1B%c", code
+ 'P' - 11 - offt
);
633 end
= 1 + sprintf(output
+1,
634 "\x1BO%c", code
+ 'P' - 11 - offt
);
637 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
638 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
641 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
643 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
645 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
648 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
649 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
653 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
659 * Cursor keys. (This includes the numberpad cursor keys,
660 * if we haven't already done them due to app keypad mode.)
662 * Here we also process un-numlocked un-appkeypadded KP5,
663 * which sends ESC [ G.
667 switch (event
->keyval
) {
668 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
669 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
670 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
671 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
672 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
676 * The arrow keys normally do ESC [ A and so on. In
677 * app cursor keys mode they do ESC O A instead.
678 * Ctrl toggles the two modes.
681 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
682 } else if (!app_cursor_keys
^
683 !(event
->state
& GDK_CONTROL_MASK
)) {
684 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
686 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
697 printf("generating sequence:");
698 for (i
= start
; i
< end
; i
++)
699 printf(" %02x", (unsigned char) output
[i
]);
704 ldisc_send(output
+start
, end
-start
, 1);
713 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
715 struct gui_data
*inst
= (struct gui_data
*)data
;
716 int shift
, ctrl
, alt
, x
, y
, button
, act
;
720 shift
= event
->state
& GDK_SHIFT_MASK
;
721 ctrl
= event
->state
& GDK_CONTROL_MASK
;
722 alt
= event
->state
& GDK_MOD1_MASK
;
723 if (event
->button
== 1)
725 else if (event
->button
== 2)
727 else if (event
->button
== 3)
730 return FALSE
; /* don't even know what button! */
732 switch (event
->type
) {
733 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
734 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
735 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
736 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
737 default: return FALSE
; /* don't know this event type */
740 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
741 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
742 return TRUE
; /* we ignore these in raw mouse mode */
744 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
745 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
747 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
752 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
754 struct gui_data
*inst
= (struct gui_data
*)data
;
755 int shift
, ctrl
, alt
, x
, y
, button
;
759 shift
= event
->state
& GDK_SHIFT_MASK
;
760 ctrl
= event
->state
& GDK_CONTROL_MASK
;
761 alt
= event
->state
& GDK_MOD1_MASK
;
762 if (event
->state
& GDK_BUTTON1_MASK
)
764 else if (event
->state
& GDK_BUTTON2_MASK
)
766 else if (event
->state
& GDK_BUTTON3_MASK
)
769 return FALSE
; /* don't even know what button! */
771 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
772 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
774 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
779 gint
timer_func(gpointer data
)
781 /* struct gui_data *inst = (struct gui_data *)data; */
782 extern int pty_child_is_dead(); /* declared in pty.c */
784 if (pty_child_is_dead()) {
786 * The primary child process died. We could keep the
787 * terminal open for remaining subprocesses to output to,
788 * but conventional wisdom seems to feel that that's the
789 * Wrong Thing for an xterm-alike, so we bail out now. This
790 * would be easy enough to change or make configurable if
800 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
802 /* struct gui_data *inst = (struct gui_data *)data; */
806 ret
= read(sourcefd
, buf
, sizeof(buf
));
809 * Clean termination condition is that either ret == 0, or ret
810 * < 0 and errno == EIO. Not sure why the latter, but it seems
813 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
818 perror("read pty master");
822 from_backend(0, buf
, ret
);
826 void destroy(GtkWidget
*widget
, gpointer data
)
831 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
833 has_focus
= event
->in
;
841 * set or clear the "raw mouse message" mode
843 void set_raw_mouse_mode(int activate
)
845 activate
= activate
&& !cfg
.no_mouse_rep
;
846 send_raw_mouse
= activate
;
848 inst
->currcursor
= inst
->rawcursor
;
850 inst
->currcursor
= inst
->textcursor
;
851 show_mouseptr(inst
->mouseptr_visible
);
854 void request_resize(int w
, int h
)
856 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
857 inst
->font_width
* w
+ 2*cfg
.window_border
,
858 inst
->font_height
* h
+ 2*cfg
.window_border
);
861 void real_palette_set(int n
, int r
, int g
, int b
)
865 inst
->cols
[n
].red
= r
* 0x0101;
866 inst
->cols
[n
].green
= g
* 0x0101;
867 inst
->cols
[n
].blue
= b
* 0x0101;
869 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
870 FALSE
, FALSE
, success
);
872 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
876 void palette_set(int n
, int r
, int g
, int b
)
878 static const int first
[21] = {
879 0, 2, 4, 6, 8, 10, 12, 14,
880 1, 3, 5, 7, 9, 11, 13, 15,
883 real_palette_set(first
[n
], r
, g
, b
);
885 real_palette_set(first
[n
] + 1, r
, g
, b
);
888 void palette_reset(void)
890 /* This maps colour indices in cfg to those used in inst->cols. */
891 static const int ww
[] = {
892 6, 7, 8, 9, 10, 11, 12, 13,
893 14, 15, 16, 17, 18, 19, 20, 21,
896 gboolean success
[NCOLOURS
];
899 assert(lenof(ww
) == NCOLOURS
);
902 inst
->colmap
= gdk_colormap_get_system();
904 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
907 for (i
= 0; i
< NCOLOURS
; i
++) {
908 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
909 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
910 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
913 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
914 FALSE
, FALSE
, success
);
915 for (i
= 0; i
< NCOLOURS
; i
++) {
917 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
918 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
922 void write_clip(wchar_t * data
, int len
, int must_deselect
)
924 if (inst
->pasteout_data
)
925 sfree(inst
->pasteout_data
);
926 inst
->pasteout_data
= smalloc(len
);
927 inst
->pasteout_data_len
= len
;
928 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
931 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
933 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
934 GDK_SELECTION_TYPE_STRING
, 1);
935 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
936 inst
->compound_text_atom
, 1);
940 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
941 guint info
, guint time_stamp
, gpointer data
)
943 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
944 inst
->pasteout_data
, inst
->pasteout_data_len
);
947 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
951 if (inst
->pasteout_data
)
952 sfree(inst
->pasteout_data
);
953 inst
->pasteout_data
= NULL
;
954 inst
->pasteout_data_len
= 0;
958 void request_paste(void)
961 * In Unix, pasting is asynchronous: all we can do at the
962 * moment is to call gtk_selection_convert(), and when the data
963 * comes back _then_ we can call term_do_paste().
965 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
966 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
969 gint
idle_paste_func(gpointer data
); /* forward ref */
971 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
974 if (seldata
->length
<= 0 ||
975 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
976 return; /* Nothing happens. */
978 if (inst
->pastein_data
)
979 sfree(inst
->pastein_data
);
981 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
982 inst
->pastein_data_len
= seldata
->length
;
983 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
984 inst
->pastein_data
, inst
->pastein_data_len
);
988 if (term_paste_pending())
989 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
992 gint
idle_paste_func(gpointer data
)
994 struct gui_data
*inst
= (struct gui_data
*)data
;
996 if (term_paste_pending())
999 gtk_idle_remove(inst
->term_paste_idle_id
);
1005 void get_clip(wchar_t ** p
, int *len
)
1008 *p
= inst
->pastein_data
;
1009 *len
= inst
->pastein_data_len
;
1013 void set_title(char *title
)
1015 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
1016 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
1017 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
1020 void set_icon(char *title
)
1022 strncpy(inst
->icontitle
, title
, lenof(inst
->icontitle
));
1023 inst
->icontitle
[lenof(inst
->icontitle
)-1] = '\0';
1024 gdk_window_set_icon_name(inst
->window
->window
, inst
->icontitle
);
1027 void set_sbar(int total
, int start
, int page
)
1031 inst
->sbar_adjust
->lower
= 0;
1032 inst
->sbar_adjust
->upper
= total
;
1033 inst
->sbar_adjust
->value
= start
;
1034 inst
->sbar_adjust
->page_size
= page
;
1035 inst
->sbar_adjust
->step_increment
= 1;
1036 inst
->sbar_adjust
->page_increment
= page
/2;
1037 inst
->ignore_sbar
= TRUE
;
1038 gtk_adjustment_changed(inst
->sbar_adjust
);
1039 inst
->ignore_sbar
= FALSE
;
1042 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
1046 if (!inst
->ignore_sbar
)
1047 term_scroll(1, (int)adj
->value
);
1050 void sys_cursor(int x
, int y
)
1053 * This is meaningless under X.
1062 int CharWidth(Context ctx
, int uc
)
1065 * Under X, any fixed-width font really _is_ fixed-width.
1066 * Double-width characters will be dealt with using a separate
1067 * font. For the moment we can simply return 1.
1072 Context
get_ctx(void)
1075 if (!inst
->area
->window
)
1077 gc
= gdk_gc_new(inst
->area
->window
);
1081 void free_ctx(Context ctx
)
1083 GdkGC
*gc
= (GdkGC
*)ctx
;
1088 * Draw a line of text in the window, at given character
1089 * coordinates, in given attributes.
1091 * We are allowed to fiddle with the contents of `text'.
1093 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1094 unsigned long attr
, int lattr
)
1097 GdkGC
*gc
= (GdkGC
*)ctx
;
1101 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1102 * - cursor shapes other than block
1106 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1107 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1108 if (attr
& ATTR_REVERSE
) {
1113 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1115 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1117 if (attr
& TATTR_ACTCURS
) {
1122 if (lattr
!= LATTR_NORM
) {
1126 if (x
+ len
*2 > cols
)
1127 len
= (cols
-x
)/2; /* trim to LH half */
1130 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1131 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1132 x
*inst
->font_width
+cfg
.window_border
,
1133 y
*inst
->font_height
+cfg
.window_border
,
1134 len
*inst
->font_width
, inst
->font_height
);
1136 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1137 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
1138 x
*inst
->font_width
+cfg
.window_border
,
1139 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1142 if (attr
& ATTR_UNDER
) {
1143 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1144 if (uheight
>= inst
->font_height
)
1145 uheight
= inst
->font_height
- 1;
1146 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1147 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1148 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1149 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1152 if (lattr
!= LATTR_NORM
) {
1154 * I can't find any plausible StretchBlt equivalent in the
1155 * X server, so I'm going to do this the slow and painful
1156 * way. This will involve repeated calls to
1157 * gdk_draw_pixmap() to stretch the text horizontally. It's
1158 * O(N^2) in time and O(N) in network bandwidth, but you
1159 * try thinking of a better way. :-(
1162 for (i
= 0; i
< len
* inst
->font_width
; i
++) {
1163 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1164 x
*inst
->font_width
+cfg
.window_border
+ 2*i
,
1165 y
*inst
->font_height
+cfg
.window_border
,
1166 x
*inst
->font_width
+cfg
.window_border
+ 2*i
+1,
1167 y
*inst
->font_height
+cfg
.window_border
,
1168 len
* inst
->font_width
- i
, inst
->font_height
);
1171 if (lattr
!= LATTR_WIDE
) {
1173 /* Now stretch vertically, in the same way. */
1174 if (lattr
== LATTR_BOT
)
1178 for (i
= 0; i
< inst
->font_height
; i
+=2) {
1179 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1180 x
*inst
->font_width
+cfg
.window_border
,
1181 y
*inst
->font_height
+cfg
.window_border
+dt
*i
+db
,
1182 x
*inst
->font_width
+cfg
.window_border
,
1183 y
*inst
->font_height
+cfg
.window_border
+dt
*(i
+1),
1184 len
* inst
->font_width
, inst
->font_height
-i
-1);
1190 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1191 x
*inst
->font_width
+cfg
.window_border
,
1192 y
*inst
->font_height
+cfg
.window_border
,
1193 x
*inst
->font_width
+cfg
.window_border
,
1194 y
*inst
->font_height
+cfg
.window_border
,
1195 len
*inst
->font_width
, inst
->font_height
);
1198 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1199 unsigned long attr
, int lattr
)
1202 GdkGC
*gc
= (GdkGC
*)ctx
;
1205 * NYI: cursor shapes other than block
1207 if (attr
& TATTR_PASCURS
) {
1208 attr
&= ~TATTR_PASCURS
;
1212 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1214 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1215 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1216 x
*inst
->font_width
+cfg
.window_border
,
1217 y
*inst
->font_height
+cfg
.window_border
,
1218 len
*inst
->font_width
-1, inst
->font_height
-1);
1219 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1220 x
*inst
->font_width
+cfg
.window_border
,
1221 y
*inst
->font_height
+cfg
.window_border
,
1222 x
*inst
->font_width
+cfg
.window_border
,
1223 y
*inst
->font_height
+cfg
.window_border
,
1224 len
*inst
->font_width
, inst
->font_height
);
1228 GdkCursor
*make_mouse_ptr(int cursor_val
)
1231 * Truly hideous hack: GTK doesn't allow us to set the mouse
1232 * cursor foreground and background colours unless we've _also_
1233 * created our own cursor from bitmaps. Therefore, I need to
1234 * load the `cursor' font and draw glyphs from it on to
1235 * pixmaps, in order to construct my cursors with the fg and bg
1236 * I want. This is a gross hack, but it's more self-contained
1237 * than linking in Xlib to find the X window handle to
1238 * inst->area and calling XRecolorCursor, and it's more
1239 * futureproof than hard-coding the shapes as bitmap arrays.
1241 static GdkFont
*cursor_font
= NULL
;
1242 GdkPixmap
*source
, *mask
;
1244 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1245 GdkColor cbg
= { 0, 0, 0, 0 };
1246 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1247 GdkColor dbg
= { 0, 0, 0, 0 };
1250 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1252 if (cursor_val
== -2) {
1253 gdk_font_unref(cursor_font
);
1257 if (cursor_val
>= 0 && !cursor_font
)
1258 cursor_font
= gdk_font_load("cursor");
1261 * Get the text extent of the cursor in question. We use the
1262 * mask character for this, because it's typically slightly
1263 * bigger than the main character.
1265 if (cursor_val
>= 0) {
1267 text
[0] = (char)cursor_val
+ 1;
1268 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1269 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1275 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1276 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1279 * Draw the mask character on the mask pixmap.
1281 gc
= gdk_gc_new(mask
);
1282 gdk_gc_set_foreground(gc
, &dbg
);
1283 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1284 if (cursor_val
>= 0) {
1286 text
[0] = (char)cursor_val
+ 1;
1287 gdk_gc_set_foreground(gc
, &dfg
);
1288 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1293 * Draw the main character on the source pixmap.
1295 gc
= gdk_gc_new(source
);
1296 gdk_gc_set_foreground(gc
, &dbg
);
1297 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1298 if (cursor_val
>= 0) {
1300 text
[0] = (char)cursor_val
;
1301 gdk_gc_set_foreground(gc
, &dfg
);
1302 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1307 * Create the cursor.
1309 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1314 gdk_pixmap_unref(source
);
1315 gdk_pixmap_unref(mask
);
1320 void modalfatalbox(char *p
, ...)
1323 fprintf(stderr
, "FATAL ERROR: ");
1325 vfprintf(stderr
, p
, ap
);
1327 fputc('\n', stderr
);
1331 char *get_x_display(void)
1333 return gdk_get_display();
1336 int main(int argc
, char **argv
)
1338 extern int pty_master_fd
; /* declared in pty.c */
1339 extern char **pty_argv
; /* declared in pty.c */
1342 gtk_init(&argc
, &argv
);
1344 do_defaults(NULL
, &cfg
);
1346 while (--argc
> 0) {
1348 if (!strcmp(p
, "-fn")) {
1350 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1351 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1353 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1355 if (!strcmp(p
, "-e")) {
1358 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1360 for (i
= 0; i
< argc
; i
++)
1361 pty_argv
[i
] = argv
[i
];
1362 pty_argv
[argc
] = NULL
;
1363 break; /* finished command-line processing */
1365 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1367 if (!strcmp(p
, "-T")) {
1369 strncpy(cfg
.wintitle
, *++argv
, sizeof(cfg
.wintitle
));
1370 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1372 err
= 1, fprintf(stderr
, "pterm: -T expects an argument\n");
1374 if (!strcmp(p
, "-log")) {
1376 strncpy(cfg
.logfilename
, *++argv
, sizeof(cfg
.logfilename
));
1377 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1378 cfg
.logtype
= LGTYP_DEBUG
;
1380 err
= 1, fprintf(stderr
, "pterm: -log expects an argument\n");
1382 if (!strcmp(p
, "-hide")) {
1383 cfg
.hide_mouseptr
= 1;
1385 if (!strcmp(p
, "-ut-")) {
1388 if (!strcmp(p
, "-ls-")) {
1389 cfg
.login_shell
= 0;
1391 if (!strcmp(p
, "-nethack")) {
1392 cfg
.nethack_keypad
= 1;
1394 if (!strcmp(p
, "-sb-")) {
1399 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1400 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1401 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1402 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1404 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1408 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1410 if (cfg
.wintitle
[0])
1411 set_title(cfg
.wintitle
);
1416 * Set up the colour map.
1420 inst
->area
= gtk_drawing_area_new();
1421 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1422 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1423 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1424 if (cfg
.scrollbar
) {
1425 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
1426 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1428 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1429 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1431 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1433 gtk_window_set_policy(GTK_WINDOW(inst
->window
), FALSE
, TRUE
, TRUE
);
1435 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1439 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1440 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1441 geom
.max_width
= geom
.max_height
= -1;
1442 geom
.base_width
= 2*cfg
.window_border
;
1443 geom
.base_height
= 2*cfg
.window_border
;
1444 geom
.width_inc
= inst
->font_width
;
1445 geom
.height_inc
= inst
->font_height
;
1446 geom
.min_aspect
= geom
.max_aspect
= 0;
1447 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1448 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1449 GDK_HINT_RESIZE_INC
);
1452 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1453 GTK_SIGNAL_FUNC(destroy
), inst
);
1454 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1455 GTK_SIGNAL_FUNC(delete_window
), inst
);
1456 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1457 GTK_SIGNAL_FUNC(key_event
), inst
);
1458 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1459 GTK_SIGNAL_FUNC(focus_event
), inst
);
1460 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1461 GTK_SIGNAL_FUNC(focus_event
), inst
);
1462 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1463 GTK_SIGNAL_FUNC(configure_area
), inst
);
1464 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1465 GTK_SIGNAL_FUNC(expose_area
), inst
);
1466 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1467 GTK_SIGNAL_FUNC(button_event
), inst
);
1468 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1469 GTK_SIGNAL_FUNC(button_event
), inst
);
1470 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1471 GTK_SIGNAL_FUNC(motion_event
), inst
);
1472 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1473 GTK_SIGNAL_FUNC(selection_received
), inst
);
1474 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1475 GTK_SIGNAL_FUNC(selection_get
), inst
);
1476 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1477 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1479 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1480 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1481 gtk_timeout_add(20, timer_func
, inst
);
1482 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1483 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1484 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1485 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
1487 gtk_widget_show(inst
->area
);
1489 gtk_widget_show(inst
->sbar
);
1490 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1491 gtk_widget_show(inst
->window
);
1493 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1494 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1495 inst
->blankcursor
= make_mouse_ptr(-1);
1496 make_mouse_ptr(-2); /* clean up cursor font */
1497 inst
->currcursor
= inst
->textcursor
;
1500 back
= &pty_backend
;
1501 back
->init(NULL
, 0, NULL
, 0);
1503 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1506 term_size(cfg
.height
, cfg
.width
, cfg
.savelines
);