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
;
41 GdkAtom compound_text_atom
;
42 char wintitle
[sizeof(((Config
*)0)->wintitle
)];
45 static struct gui_data the_inst
;
46 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
47 static int send_raw_mouse
;
49 void ldisc_update(int echo
, int edit
)
52 * This is a stub in pterm. If I ever produce a Unix
53 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
54 * then it will require some termios manoeuvring analogous to
55 * that in the Windows plink.c, but here it's meaningless.
59 int askappend(char *filename
)
62 * Logging in an xterm-alike is liable to be something you only
63 * do at serious diagnostic need. Hence, I'm going to take the
64 * easy option for now and assume we always want to overwrite
65 * log files. I can always make it properly configurable later.
70 void logevent(char *string
)
73 * This is not a very helpful function: events are logged
74 * pretty much exclusively by the back end, and our pty back
75 * end is self-contained. So we need do nothing.
80 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
81 * into a cooked one (SELECT, EXTEND, PASTE).
83 * In Unix, this is not configurable; the X button arrangement is
84 * rock-solid across all applications, everyone has a three-button
85 * mouse or a means of faking it, and there is no need to switch
86 * buttons around at all.
88 Mouse_Button
translate_button(Mouse_Button button
)
90 if (button
== MBT_LEFT
)
92 if (button
== MBT_MIDDLE
)
94 if (button
== MBT_RIGHT
)
96 return 0; /* shouldn't happen */
100 * Minimise or restore the window in response to a server-side
103 void set_iconic(int iconic
)
105 /* FIXME: currently ignored */
109 * Move the window in response to a server-side request.
111 void move_window(int x
, int y
)
113 /* FIXME: currently ignored */
117 * Move the window to the top or bottom of the z-order in response
118 * to a server-side request.
120 void set_zorder(int top
)
122 /* FIXME: currently ignored */
126 * Refresh the window in response to a server-side request.
128 void refresh_window(void)
130 /* FIXME: currently ignored */
134 * Maximise or restore the window in response to a server-side
137 void set_zoomed(int zoomed
)
139 /* FIXME: currently ignored */
143 * Report whether the window is iconic, for terminal reports.
147 return 0; /* FIXME */
151 * Report the window's position, for terminal reports.
153 void get_window_pos(int *x
, int *y
)
155 *x
= 3; *y
= 4; /* FIXME */
159 * Report the window's pixel size, for terminal reports.
161 void get_window_pixels(int *x
, int *y
)
163 *x
= 1; *y
= 2; /* FIXME */
167 * Return the window or icon title.
169 char *get_window_title(int icon
)
171 return inst
->wintitle
;
174 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
177 * We could implement warn-on-close here if we really wanted
183 void show_mouseptr(int show
)
185 if (!cfg
.hide_mouseptr
)
188 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
190 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
193 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
195 struct gui_data
*inst
= (struct gui_data
*)data
;
196 int w
, h
, need_size
= 0;
198 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
199 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
201 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
203 gdk_pixmap_unref(inst
->pixmap
);
213 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
214 (cfg
.width
* inst
->font_width
+
215 2*cfg
.window_border
),
216 (cfg
.height
* inst
->font_height
+
217 2*cfg
.window_border
), -1);
219 gc
= gdk_gc_new(inst
->area
->window
);
220 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
221 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
222 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
223 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
228 term_size(h
, w
, cfg
.savelines
);
232 * Set up the colour map.
239 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
241 /* struct gui_data *inst = (struct gui_data *)data; */
244 * Pass the exposed rectangle to terminal.c, which will call us
245 * back to do the actual painting.
248 gdk_draw_pixmap(widget
->window
,
249 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
251 event
->area
.x
, event
->area
.y
,
252 event
->area
.x
, event
->area
.y
,
253 event
->area
.width
, event
->area
.height
);
258 #define KEY_PRESSED(k) \
259 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
261 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
263 /* struct gui_data *inst = (struct gui_data *)data; */
267 if (event
->type
== GDK_KEY_PRESS
) {
271 printf("keypress: keyval = %04x, state = %08x; string =",
272 event
->keyval
, event
->state
);
273 for (i
= 0; event
->string
[i
]; i
++)
274 printf(" %02x", (unsigned char) event
->string
[i
]);
283 * - Compose key (!!! requires Unicode faff before even trying)
287 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
290 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
291 term_scroll(0, -cfg
.height
/2);
294 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
295 term_scroll(0, +cfg
.height
/2);
300 * Neither does Shift-Ins.
302 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
307 /* ALT+things gives leading Escape. */
309 strncpy(output
+1, event
->string
, 31);
311 end
= strlen(output
);
312 if (event
->state
& GDK_MOD1_MASK
)
317 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
318 if (!event
->string
[0] && event
->keyval
== '`' &&
319 (event
->state
& GDK_CONTROL_MASK
)) {
324 /* Control-Break is the same as Control-C */
325 if (event
->keyval
== GDK_Break
&&
326 (event
->state
& GDK_CONTROL_MASK
)) {
331 /* Control-2, Control-Space and Control-@ are NUL */
332 if (!event
->string
[0] &&
333 (event
->keyval
== ' ' || event
->keyval
== '2' ||
334 event
->keyval
== '@') &&
335 (event
->state
& (GDK_SHIFT_MASK
|
336 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
341 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
342 if (!event
->string
[0] && event
->keyval
== ' ' &&
343 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
344 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
349 /* We don't let GTK tell us what Backspace is! We know better. */
350 if (event
->keyval
== GDK_BackSpace
&&
351 !(event
->state
& GDK_SHIFT_MASK
)) {
352 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
356 /* Shift-Tab is ESC [ Z */
357 if (event
->keyval
== GDK_ISO_Left_Tab
||
358 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
359 end
= 1 + sprintf(output
+1, "\033[Z");
363 * NetHack keypad mode.
365 if (cfg
.nethack_keypad
) {
367 switch (event
->keyval
) {
368 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
369 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
370 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
371 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
372 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
373 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
374 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
375 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
376 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
380 if (event
->state
& GDK_SHIFT_MASK
)
389 * Application keypad mode.
391 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
393 switch (event
->keyval
) {
394 case GDK_Num_Lock
: xkey
= 'P'; break;
395 case GDK_KP_Divide
: xkey
= 'Q'; break;
396 case GDK_KP_Multiply
: xkey
= 'R'; break;
397 case GDK_KP_Subtract
: xkey
= 'S'; break;
399 * Keypad + is tricky. It covers a space that would
400 * be taken up on the VT100 by _two_ keys; so we
401 * let Shift select between the two. Worse still,
402 * in xterm function key mode we change which two...
405 if (cfg
.funky_type
== 2) {
406 if (event
->state
& GDK_SHIFT_MASK
)
410 } else if (event
->state
& GDK_SHIFT_MASK
)
415 case GDK_KP_Enter
: xkey
= 'M'; break;
416 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
417 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
418 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
419 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
420 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
421 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
422 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
423 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
424 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
425 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
426 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
430 if (xkey
>= 'P' && xkey
<= 'S')
431 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
433 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
435 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
441 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
442 * for integer decimal nn.)
444 * We also deal with the weird ones here. Linux VCs replace F1
445 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
446 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
451 switch (event
->keyval
) {
453 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
456 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
459 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
462 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
465 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
468 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
471 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
474 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
477 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
480 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
513 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
514 case GDK_Home
: case GDK_KP_Home
:
517 case GDK_Insert
: case GDK_KP_Insert
:
520 case GDK_Delete
: case GDK_KP_Delete
:
523 case GDK_End
: case GDK_KP_End
:
526 case GDK_Page_Up
: case GDK_KP_Page_Up
:
529 case GDK_Page_Down
: case GDK_KP_Page_Down
:
533 /* Reorder edit keys to physical order */
534 if (cfg
.funky_type
== 3 && code
<= 6)
535 code
= "\0\2\1\4\5\3\6"[code
];
537 if (vt52_mode
&& code
> 0 && code
<= 6) {
538 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
542 if (cfg
.funky_type
== 5 && /* SCO function keys */
543 code
>= 11 && code
<= 34) {
544 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
546 switch (event
->keyval
) {
547 case GDK_F1
: index
= 0; break;
548 case GDK_F2
: index
= 1; break;
549 case GDK_F3
: index
= 2; break;
550 case GDK_F4
: index
= 3; break;
551 case GDK_F5
: index
= 4; break;
552 case GDK_F6
: index
= 5; break;
553 case GDK_F7
: index
= 6; break;
554 case GDK_F8
: index
= 7; break;
555 case GDK_F9
: index
= 8; break;
556 case GDK_F10
: index
= 9; break;
557 case GDK_F11
: index
= 10; break;
558 case GDK_F12
: index
= 11; break;
560 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
561 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
562 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
565 if (cfg
.funky_type
== 5 && /* SCO small keypad */
566 code
>= 1 && code
<= 6) {
567 char codes
[] = "HL.FIG";
572 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
576 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
583 end
= 1 + sprintf(output
+1,
584 "\x1B%c", code
+ 'P' - 11 - offt
);
586 end
= 1 + sprintf(output
+1,
587 "\x1BO%c", code
+ 'P' - 11 - offt
);
590 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
591 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
594 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
596 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
598 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
601 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
602 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
606 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
612 * Cursor keys. (This includes the numberpad cursor keys,
613 * if we haven't already done them due to app keypad mode.)
615 * Here we also process un-numlocked un-appkeypadded KP5,
616 * which sends ESC [ G.
620 switch (event
->keyval
) {
621 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
622 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
623 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
624 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
625 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
629 * The arrow keys normally do ESC [ A and so on. In
630 * app cursor keys mode they do ESC O A instead.
631 * Ctrl toggles the two modes.
634 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
635 } else if (!app_cursor_keys
^
636 !(event
->state
& GDK_CONTROL_MASK
)) {
637 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
639 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
650 printf("generating sequence:");
651 for (i
= start
; i
< end
; i
++)
652 printf(" %02x", (unsigned char) output
[i
]);
657 ldisc_send(output
+start
, end
-start
, 1);
666 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
668 struct gui_data
*inst
= (struct gui_data
*)data
;
669 int shift
, ctrl
, alt
, x
, y
, button
, act
;
673 shift
= event
->state
& GDK_SHIFT_MASK
;
674 ctrl
= event
->state
& GDK_CONTROL_MASK
;
675 alt
= event
->state
& GDK_MOD1_MASK
;
676 if (event
->button
== 1)
678 else if (event
->button
== 2)
680 else if (event
->button
== 3)
683 return FALSE
; /* don't even know what button! */
685 switch (event
->type
) {
686 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
687 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
688 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
689 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
690 default: return FALSE
; /* don't know this event type */
693 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
694 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
695 return TRUE
; /* we ignore these in raw mouse mode */
697 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
698 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
700 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
705 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
707 struct gui_data
*inst
= (struct gui_data
*)data
;
708 int shift
, ctrl
, alt
, x
, y
, button
;
712 shift
= event
->state
& GDK_SHIFT_MASK
;
713 ctrl
= event
->state
& GDK_CONTROL_MASK
;
714 alt
= event
->state
& GDK_MOD1_MASK
;
715 if (event
->state
& GDK_BUTTON1_MASK
)
717 else if (event
->state
& GDK_BUTTON2_MASK
)
719 else if (event
->state
& GDK_BUTTON3_MASK
)
722 return FALSE
; /* don't even know what button! */
724 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
725 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
727 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
732 gint
timer_func(gpointer data
)
734 /* struct gui_data *inst = (struct gui_data *)data; */
735 extern int pty_child_is_dead(); /* declared in pty.c */
737 if (pty_child_is_dead()) {
739 * The primary child process died. We could keep the
740 * terminal open for remaining subprocesses to output to,
741 * but conventional wisdom seems to feel that that's the
742 * Wrong Thing for an xterm-alike, so we bail out now. This
743 * would be easy enough to change or make configurable if
753 gint
idle_func(gpointer data
)
755 /* struct gui_data *inst = (struct gui_data *)data; */
760 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
762 /* struct gui_data *inst = (struct gui_data *)data; */
766 ret
= read(sourcefd
, buf
, sizeof(buf
));
769 * Clean termination condition is that either ret == 0, or ret
770 * < 0 and errno == EIO. Not sure why the latter, but it seems
773 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
778 perror("read pty master");
782 from_backend(0, buf
, ret
);
786 void destroy(GtkWidget
*widget
, gpointer data
)
791 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
793 has_focus
= event
->in
;
801 * set or clear the "raw mouse message" mode
803 void set_raw_mouse_mode(int activate
)
805 activate
= activate
&& !cfg
.no_mouse_rep
;
806 send_raw_mouse
= activate
;
808 inst
->currcursor
= inst
->rawcursor
;
810 inst
->currcursor
= inst
->textcursor
;
814 void request_resize(int w
, int h
)
816 /* FIXME: currently ignored */
819 void real_palette_set(int n
, int r
, int g
, int b
)
823 inst
->cols
[n
].red
= r
* 0x0101;
824 inst
->cols
[n
].green
= g
* 0x0101;
825 inst
->cols
[n
].blue
= b
* 0x0101;
827 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
828 FALSE
, FALSE
, success
);
830 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
834 void palette_set(int n
, int r
, int g
, int b
)
836 static const int first
[21] = {
837 0, 2, 4, 6, 8, 10, 12, 14,
838 1, 3, 5, 7, 9, 11, 13, 15,
841 real_palette_set(first
[n
], r
, g
, b
);
843 real_palette_set(first
[n
] + 1, r
, g
, b
);
846 void palette_reset(void)
848 /* This maps colour indices in cfg to those used in inst->cols. */
849 static const int ww
[] = {
850 6, 7, 8, 9, 10, 11, 12, 13,
851 14, 15, 16, 17, 18, 19, 20, 21,
854 gboolean success
[NCOLOURS
];
857 assert(lenof(ww
) == NCOLOURS
);
860 inst
->colmap
= gdk_colormap_get_system();
862 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
865 for (i
= 0; i
< NCOLOURS
; i
++) {
866 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
867 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
868 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
871 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
872 FALSE
, FALSE
, success
);
873 for (i
= 0; i
< NCOLOURS
; i
++) {
875 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
876 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
880 void write_clip(wchar_t * data
, int len
, int must_deselect
)
882 if (inst
->pasteout_data
)
883 sfree(inst
->pasteout_data
);
884 inst
->pasteout_data
= smalloc(len
);
885 inst
->pasteout_data_len
= len
;
886 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
889 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
891 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
892 GDK_SELECTION_TYPE_STRING
, 1);
893 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
894 inst
->compound_text_atom
, 1);
898 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
899 guint info
, guint time_stamp
, gpointer data
)
901 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
902 inst
->pasteout_data
, inst
->pasteout_data_len
);
905 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
909 if (inst
->pasteout_data
)
910 sfree(inst
->pasteout_data
);
911 inst
->pasteout_data
= NULL
;
912 inst
->pasteout_data_len
= 0;
916 void request_paste(void)
919 * In Unix, pasting is asynchronous: all we can do at the
920 * moment is to call gtk_selection_convert(), and when the data
921 * comes back _then_ we can call term_do_paste().
923 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
924 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
927 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
930 if (seldata
->length
<= 0 ||
931 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
932 return; /* Nothing happens. */
934 if (inst
->pastein_data
)
935 sfree(inst
->pastein_data
);
937 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
938 inst
->pastein_data_len
= seldata
->length
;
939 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
940 inst
->pastein_data
, inst
->pastein_data_len
);
945 void get_clip(wchar_t ** p
, int *len
)
948 *p
= inst
->pastein_data
;
949 *len
= inst
->pastein_data_len
;
953 void set_title(char *title
)
955 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
956 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
957 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
960 void set_icon(char *title
)
962 /* FIXME: currently ignored */
965 void set_sbar(int total
, int start
, int page
)
967 inst
->sbar_adjust
->lower
= 0;
968 inst
->sbar_adjust
->upper
= total
;
969 inst
->sbar_adjust
->value
= start
;
970 inst
->sbar_adjust
->page_size
= page
;
971 inst
->sbar_adjust
->step_increment
= 1;
972 inst
->sbar_adjust
->page_increment
= page
/2;
973 inst
->ignore_sbar
= TRUE
;
974 gtk_adjustment_changed(inst
->sbar_adjust
);
975 inst
->ignore_sbar
= FALSE
;
978 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
980 if (!inst
->ignore_sbar
)
981 term_scroll(1, (int)adj
->value
);
984 void sys_cursor(int x
, int y
)
987 * This is meaningless under X.
996 int CharWidth(Context ctx
, int uc
)
999 * Under X, any fixed-width font really _is_ fixed-width.
1000 * Double-width characters will be dealt with using a separate
1001 * font. For the moment we can simply return 1.
1006 Context
get_ctx(void)
1009 if (!inst
->area
->window
)
1011 gc
= gdk_gc_new(inst
->area
->window
);
1015 void free_ctx(Context ctx
)
1017 GdkGC
*gc
= (GdkGC
*)ctx
;
1022 * Draw a line of text in the window, at given character
1023 * coordinates, in given attributes.
1025 * We are allowed to fiddle with the contents of `text'.
1027 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1028 unsigned long attr
, int lattr
)
1031 GdkGC
*gc
= (GdkGC
*)ctx
;
1035 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1036 * - LATTR_* (ESC # 4 double-width and double-height stuff)
1037 * - cursor shapes other than block
1041 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1042 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1043 if (attr
& ATTR_REVERSE
) {
1048 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1050 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1052 if (attr
& TATTR_ACTCURS
) {
1057 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1058 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1059 x
*inst
->font_width
+cfg
.window_border
,
1060 y
*inst
->font_height
+cfg
.window_border
,
1061 len
*inst
->font_width
, inst
->font_height
);
1063 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1064 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
1065 x
*inst
->font_width
+cfg
.window_border
,
1066 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1069 if (attr
& ATTR_UNDER
) {
1070 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1071 if (uheight
>= inst
->font_height
)
1072 uheight
= inst
->font_height
- 1;
1073 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1074 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1075 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1076 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1079 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1080 x
*inst
->font_width
+cfg
.window_border
,
1081 y
*inst
->font_height
+cfg
.window_border
,
1082 x
*inst
->font_width
+cfg
.window_border
,
1083 y
*inst
->font_height
+cfg
.window_border
,
1084 len
*inst
->font_width
, inst
->font_height
);
1087 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1088 unsigned long attr
, int lattr
)
1091 GdkGC
*gc
= (GdkGC
*)ctx
;
1094 * NYI: cursor shapes other than block
1096 if (attr
& TATTR_PASCURS
) {
1097 attr
&= ~TATTR_PASCURS
;
1101 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1103 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1104 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1105 x
*inst
->font_width
+cfg
.window_border
,
1106 y
*inst
->font_height
+cfg
.window_border
,
1107 len
*inst
->font_width
-1, inst
->font_height
-1);
1108 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1109 x
*inst
->font_width
+cfg
.window_border
,
1110 y
*inst
->font_height
+cfg
.window_border
,
1111 x
*inst
->font_width
+cfg
.window_border
,
1112 y
*inst
->font_height
+cfg
.window_border
,
1113 len
*inst
->font_width
, inst
->font_height
);
1117 GdkCursor
*make_mouse_ptr(int cursor_val
)
1120 * Truly hideous hack: GTK doesn't allow us to set the mouse
1121 * cursor foreground and background colours unless we've _also_
1122 * created our own cursor from bitmaps. Therefore, I need to
1123 * load the `cursor' font and draw glyphs from it on to
1124 * pixmaps, in order to construct my cursors with the fg and bg
1125 * I want. This is a gross hack, but it's more self-contained
1126 * than linking in Xlib to find the X window handle to
1127 * inst->area and calling XRecolorCursor, and it's more
1128 * futureproof than hard-coding the shapes as bitmap arrays.
1130 static GdkFont
*cursor_font
= NULL
;
1131 GdkPixmap
*source
, *mask
;
1133 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1134 GdkColor cbg
= { 0, 0, 0, 0 };
1135 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1136 GdkColor dbg
= { 0, 0, 0, 0 };
1139 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1141 if (cursor_val
== -2) {
1142 gdk_font_unref(cursor_font
);
1146 if (cursor_val
>= 0 && !cursor_font
)
1147 cursor_font
= gdk_font_load("cursor");
1150 * Get the text extent of the cursor in question. We use the
1151 * mask character for this, because it's typically slightly
1152 * bigger than the main character.
1154 if (cursor_val
>= 0) {
1156 text
[0] = (char)cursor_val
+ 1;
1157 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1158 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1164 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1165 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1168 * Draw the mask character on the mask pixmap.
1170 gc
= gdk_gc_new(mask
);
1171 gdk_gc_set_foreground(gc
, &dbg
);
1172 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1173 if (cursor_val
>= 0) {
1175 text
[0] = (char)cursor_val
+ 1;
1176 gdk_gc_set_foreground(gc
, &dfg
);
1177 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1182 * Draw the main character on the source pixmap.
1184 gc
= gdk_gc_new(source
);
1185 gdk_gc_set_foreground(gc
, &dbg
);
1186 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1187 if (cursor_val
>= 0) {
1189 text
[0] = (char)cursor_val
;
1190 gdk_gc_set_foreground(gc
, &dfg
);
1191 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1196 * Create the cursor.
1198 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1203 gdk_pixmap_unref(source
);
1204 gdk_pixmap_unref(mask
);
1209 void modalfatalbox(char *p
, ...)
1212 fprintf(stderr
, "FATAL ERROR: ");
1214 vfprintf(stderr
, p
, ap
);
1216 fputc('\n', stderr
);
1220 int main(int argc
, char **argv
)
1222 extern int pty_master_fd
; /* declared in pty.c */
1223 extern char **pty_argv
; /* declared in pty.c */
1226 gtk_init(&argc
, &argv
);
1228 do_defaults(NULL
, &cfg
);
1230 while (--argc
> 0) {
1232 if (!strcmp(p
, "-fn")) {
1234 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1235 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1237 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1239 if (!strcmp(p
, "-e")) {
1242 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1244 for (i
= 0; i
< argc
; i
++)
1245 pty_argv
[i
] = argv
[i
];
1246 pty_argv
[argc
] = NULL
;
1247 break; /* finished command-line processing */
1249 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1251 if (!strcmp(p
, "-T")) {
1253 strncpy(cfg
.wintitle
, *++argv
, sizeof(cfg
.wintitle
));
1254 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1256 err
= 1, fprintf(stderr
, "pterm: -T expects an argument\n");
1258 if (!strcmp(p
, "-log")) {
1260 strncpy(cfg
.logfilename
, *++argv
, sizeof(cfg
.logfilename
));
1261 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1262 cfg
.logtype
= LGTYP_DEBUG
;
1264 err
= 1, fprintf(stderr
, "pterm: -log expects an argument\n");
1266 if (!strcmp(p
, "-hide")) {
1267 cfg
.hide_mouseptr
= 1;
1269 if (!strcmp(p
, "-nethack")) {
1270 cfg
.nethack_keypad
= 1;
1274 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1275 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1276 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1277 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1279 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1283 back
= &pty_backend
;
1284 back
->init(NULL
, 0, NULL
, 0);
1286 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1288 if (cfg
.wintitle
[0])
1289 set_title(cfg
.wintitle
);
1293 inst
->area
= gtk_drawing_area_new();
1294 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1295 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1296 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1297 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1298 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1299 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1300 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1301 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1303 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1307 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1308 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1309 geom
.max_width
= geom
.max_height
= -1;
1310 geom
.base_width
= 2*cfg
.window_border
;
1311 geom
.base_height
= 2*cfg
.window_border
;
1312 geom
.width_inc
= inst
->font_width
;
1313 geom
.height_inc
= inst
->font_height
;
1314 geom
.min_aspect
= geom
.max_aspect
= 0;
1315 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1316 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1317 GDK_HINT_RESIZE_INC
);
1320 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1321 GTK_SIGNAL_FUNC(destroy
), inst
);
1322 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1323 GTK_SIGNAL_FUNC(delete_window
), inst
);
1324 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1325 GTK_SIGNAL_FUNC(key_event
), inst
);
1326 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1327 GTK_SIGNAL_FUNC(focus_event
), inst
);
1328 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1329 GTK_SIGNAL_FUNC(focus_event
), inst
);
1330 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1331 GTK_SIGNAL_FUNC(configure_area
), inst
);
1332 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1333 GTK_SIGNAL_FUNC(expose_area
), inst
);
1334 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1335 GTK_SIGNAL_FUNC(button_event
), inst
);
1336 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1337 GTK_SIGNAL_FUNC(button_event
), inst
);
1338 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1339 GTK_SIGNAL_FUNC(motion_event
), inst
);
1340 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1341 GTK_SIGNAL_FUNC(selection_received
), inst
);
1342 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1343 GTK_SIGNAL_FUNC(selection_get
), inst
);
1344 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1345 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1346 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1347 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1348 gtk_idle_add(idle_func
, inst
);
1349 gtk_timeout_add(20, timer_func
, inst
);
1350 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1351 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1352 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1353 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1354 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
1356 gtk_widget_show(inst
->area
);
1357 gtk_widget_show(inst
->sbar
);
1358 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1359 gtk_widget_show(inst
->window
);
1361 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1362 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1363 inst
->blankcursor
= make_mouse_ptr(-1);
1364 make_mouse_ptr(-2); /* clean up cursor font */
1365 inst
->currcursor
= inst
->textcursor
;
1369 term_size(24, 80, 2000);