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 * FIXME: for the moment we just wipe the log file. Since I
63 * haven't yet enabled logging, this shouldn't matter yet!
68 void logevent(char *string
)
71 * This is not a very helpful function: events are logged
72 * pretty much exclusively by the back end, and our pty back
73 * end is self-contained. So we need do nothing.
78 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
79 * into a cooked one (SELECT, EXTEND, PASTE).
81 * In Unix, this is not configurable; the X button arrangement is
82 * rock-solid across all applications, everyone has a three-button
83 * mouse or a means of faking it, and there is no need to switch
84 * buttons around at all.
86 Mouse_Button
translate_button(Mouse_Button button
)
88 if (button
== MBT_LEFT
)
90 if (button
== MBT_MIDDLE
)
92 if (button
== MBT_RIGHT
)
94 return 0; /* shouldn't happen */
98 * Minimise or restore the window in response to a server-side
101 void set_iconic(int iconic
)
103 /* FIXME: currently ignored */
107 * Move the window in response to a server-side request.
109 void move_window(int x
, int y
)
111 /* FIXME: currently ignored */
115 * Move the window to the top or bottom of the z-order in response
116 * to a server-side request.
118 void set_zorder(int top
)
120 /* FIXME: currently ignored */
124 * Refresh the window in response to a server-side request.
126 void refresh_window(void)
128 /* FIXME: currently ignored */
132 * Maximise or restore the window in response to a server-side
135 void set_zoomed(int zoomed
)
137 /* FIXME: currently ignored */
141 * Report whether the window is iconic, for terminal reports.
145 return 0; /* FIXME */
149 * Report the window's position, for terminal reports.
151 void get_window_pos(int *x
, int *y
)
153 *x
= 3; *y
= 4; /* FIXME */
157 * Report the window's pixel size, for terminal reports.
159 void get_window_pixels(int *x
, int *y
)
161 *x
= 1; *y
= 2; /* FIXME */
165 * Return the window or icon title.
167 char *get_window_title(int icon
)
169 return inst
->wintitle
;
172 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
175 * We could implement warn-on-close here if we really wanted
181 void show_mouseptr(int show
)
183 if (!cfg
.hide_mouseptr
)
186 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
188 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
191 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
193 struct gui_data
*inst
= (struct gui_data
*)data
;
194 int w
, h
, need_size
= 0;
196 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
197 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
199 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
201 gdk_pixmap_unref(inst
->pixmap
);
211 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
212 (cfg
.width
* inst
->font_width
+
213 2*cfg
.window_border
),
214 (cfg
.height
* inst
->font_height
+
215 2*cfg
.window_border
), -1);
217 gc
= gdk_gc_new(inst
->area
->window
);
218 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
219 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
220 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
221 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
226 term_size(h
, w
, cfg
.savelines
);
230 * Set up the colour map.
233 static const int ww
[] = {
234 6, 7, 8, 9, 10, 11, 12, 13,
235 14, 15, 16, 17, 18, 19, 20, 21,
238 gboolean success
[NCOLOURS
];
241 inst
->colmap
= gdk_colormap_get_system();
243 assert(lenof(ww
) == NCOLOURS
);
245 for (i
= 0; i
< NCOLOURS
; i
++) {
246 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
247 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
248 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
251 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
252 FALSE
, FALSE
, success
);
253 for (i
= 0; i
< NCOLOURS
; i
++) {
255 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
256 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
263 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
265 /* struct gui_data *inst = (struct gui_data *)data; */
268 * Pass the exposed rectangle to terminal.c, which will call us
269 * back to do the actual painting.
272 gdk_draw_pixmap(widget
->window
,
273 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
275 event
->area
.x
, event
->area
.y
,
276 event
->area
.x
, event
->area
.y
,
277 event
->area
.width
, event
->area
.height
);
282 #define KEY_PRESSED(k) \
283 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
285 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
287 /* struct gui_data *inst = (struct gui_data *)data; */
291 if (event
->type
== GDK_KEY_PRESS
) {
295 printf("keypress: keyval = %04x, state = %08x; string =",
296 event
->keyval
, event
->state
);
297 for (i
= 0; event
->string
[i
]; i
++)
298 printf(" %02x", (unsigned char) event
->string
[i
]);
307 * - Compose key (!!! requires Unicode faff before even trying)
311 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
314 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
315 term_scroll(0, -cfg
.height
/2);
318 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
319 term_scroll(0, +cfg
.height
/2);
324 * Neither does Shift-Ins.
326 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
331 /* ALT+things gives leading Escape. */
333 strncpy(output
+1, event
->string
, 31);
335 end
= strlen(output
);
336 if (event
->state
& GDK_MOD1_MASK
)
341 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
342 if (!event
->string
[0] && event
->keyval
== '`' &&
343 (event
->state
& GDK_CONTROL_MASK
)) {
348 /* Control-Break is the same as Control-C */
349 if (event
->keyval
== GDK_Break
&&
350 (event
->state
& GDK_CONTROL_MASK
)) {
355 /* Control-2, Control-Space and Control-@ are NUL */
356 if (!event
->string
[0] &&
357 (event
->keyval
== ' ' || event
->keyval
== '2' ||
358 event
->keyval
== '@') &&
359 (event
->state
& (GDK_SHIFT_MASK
|
360 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
365 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
366 if (!event
->string
[0] && event
->keyval
== ' ' &&
367 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
368 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
373 /* We don't let GTK tell us what Backspace is! We know better. */
374 if (event
->keyval
== GDK_BackSpace
&&
375 !(event
->state
& GDK_SHIFT_MASK
)) {
376 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
380 /* Shift-Tab is ESC [ Z */
381 if (event
->keyval
== GDK_ISO_Left_Tab
||
382 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
383 end
= 1 + sprintf(output
+1, "\033[Z");
387 * NetHack keypad mode.
389 if (cfg
.nethack_keypad
) {
391 switch (event
->keyval
) {
392 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
393 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
394 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
395 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
396 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
397 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
398 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
399 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
400 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
404 if (event
->state
& GDK_SHIFT_MASK
)
413 * Application keypad mode.
415 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
417 switch (event
->keyval
) {
418 case GDK_Num_Lock
: xkey
= 'P'; break;
419 case GDK_KP_Divide
: xkey
= 'Q'; break;
420 case GDK_KP_Multiply
: xkey
= 'R'; break;
421 case GDK_KP_Subtract
: xkey
= 'S'; break;
423 * Keypad + is tricky. It covers a space that would
424 * be taken up on the VT100 by _two_ keys; so we
425 * let Shift select between the two. Worse still,
426 * in xterm function key mode we change which two...
429 if (cfg
.funky_type
== 2) {
430 if (event
->state
& GDK_SHIFT_MASK
)
434 } else if (event
->state
& GDK_SHIFT_MASK
)
439 case GDK_KP_Enter
: xkey
= 'M'; break;
440 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
441 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
442 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
443 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
444 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
445 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
446 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
447 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
448 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
449 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
450 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
454 if (xkey
>= 'P' && xkey
<= 'S')
455 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
457 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
459 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
465 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
466 * for integer decimal nn.)
468 * We also deal with the weird ones here. Linux VCs replace F1
469 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
470 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
475 switch (event
->keyval
) {
477 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
480 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
483 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
486 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
489 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
492 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
495 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
498 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
501 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
504 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
537 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
538 case GDK_Home
: case GDK_KP_Home
:
541 case GDK_Insert
: case GDK_KP_Insert
:
544 case GDK_Delete
: case GDK_KP_Delete
:
547 case GDK_End
: case GDK_KP_End
:
550 case GDK_Page_Up
: case GDK_KP_Page_Up
:
553 case GDK_Page_Down
: case GDK_KP_Page_Down
:
557 /* Reorder edit keys to physical order */
558 if (cfg
.funky_type
== 3 && code
<= 6)
559 code
= "\0\2\1\4\5\3\6"[code
];
561 if (vt52_mode
&& code
> 0 && code
<= 6) {
562 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
566 if (cfg
.funky_type
== 5 && /* SCO function keys */
567 code
>= 11 && code
<= 34) {
568 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
570 switch (event
->keyval
) {
571 case GDK_F1
: index
= 0; break;
572 case GDK_F2
: index
= 1; break;
573 case GDK_F3
: index
= 2; break;
574 case GDK_F4
: index
= 3; break;
575 case GDK_F5
: index
= 4; break;
576 case GDK_F6
: index
= 5; break;
577 case GDK_F7
: index
= 6; break;
578 case GDK_F8
: index
= 7; break;
579 case GDK_F9
: index
= 8; break;
580 case GDK_F10
: index
= 9; break;
581 case GDK_F11
: index
= 10; break;
582 case GDK_F12
: index
= 11; break;
584 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
585 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
586 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
589 if (cfg
.funky_type
== 5 && /* SCO small keypad */
590 code
>= 1 && code
<= 6) {
591 char codes
[] = "HL.FIG";
596 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
600 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
607 end
= 1 + sprintf(output
+1,
608 "\x1B%c", code
+ 'P' - 11 - offt
);
610 end
= 1 + sprintf(output
+1,
611 "\x1BO%c", code
+ 'P' - 11 - offt
);
614 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
615 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
618 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
620 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
622 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
625 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
626 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
630 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
636 * Cursor keys. (This includes the numberpad cursor keys,
637 * if we haven't already done them due to app keypad mode.)
639 * Here we also process un-numlocked un-appkeypadded KP5,
640 * which sends ESC [ G.
644 switch (event
->keyval
) {
645 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
646 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
647 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
648 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
649 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
653 * The arrow keys normally do ESC [ A and so on. In
654 * app cursor keys mode they do ESC O A instead.
655 * Ctrl toggles the two modes.
658 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
659 } else if (!app_cursor_keys
^
660 !(event
->state
& GDK_CONTROL_MASK
)) {
661 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
663 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
674 printf("generating sequence:");
675 for (i
= start
; i
< end
; i
++)
676 printf(" %02x", (unsigned char) output
[i
]);
681 ldisc_send(output
+start
, end
-start
, 1);
690 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
692 struct gui_data
*inst
= (struct gui_data
*)data
;
693 int shift
, ctrl
, alt
, x
, y
, button
, act
;
697 shift
= event
->state
& GDK_SHIFT_MASK
;
698 ctrl
= event
->state
& GDK_CONTROL_MASK
;
699 alt
= event
->state
& GDK_MOD1_MASK
;
700 if (event
->button
== 1)
702 else if (event
->button
== 2)
704 else if (event
->button
== 3)
707 return FALSE
; /* don't even know what button! */
709 switch (event
->type
) {
710 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
711 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
712 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
713 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
714 default: return FALSE
; /* don't know this event type */
717 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
718 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
719 return TRUE
; /* we ignore these in raw mouse mode */
721 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
722 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
724 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
729 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
731 struct gui_data
*inst
= (struct gui_data
*)data
;
732 int shift
, ctrl
, alt
, x
, y
, button
;
736 shift
= event
->state
& GDK_SHIFT_MASK
;
737 ctrl
= event
->state
& GDK_CONTROL_MASK
;
738 alt
= event
->state
& GDK_MOD1_MASK
;
739 if (event
->state
& GDK_BUTTON1_MASK
)
741 else if (event
->state
& GDK_BUTTON2_MASK
)
743 else if (event
->state
& GDK_BUTTON3_MASK
)
746 return FALSE
; /* don't even know what button! */
748 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
749 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
751 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
756 gint
timer_func(gpointer data
)
758 /* struct gui_data *inst = (struct gui_data *)data; */
759 extern int pty_child_is_dead(); /* declared in pty.c */
761 if (pty_child_is_dead()) {
763 * The primary child process died. We could keep the
764 * terminal open for remaining subprocesses to output to,
765 * but conventional wisdom seems to feel that that's the
766 * Wrong Thing for an xterm-alike, so we bail out now. This
767 * would be easy enough to change or make configurable if
777 gint
idle_func(gpointer data
)
779 /* struct gui_data *inst = (struct gui_data *)data; */
784 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
786 /* struct gui_data *inst = (struct gui_data *)data; */
790 ret
= read(sourcefd
, buf
, sizeof(buf
));
793 * Clean termination condition is that either ret == 0, or ret
794 * < 0 and errno == EIO. Not sure why the latter, but it seems
797 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
802 perror("read pty master");
806 from_backend(0, buf
, ret
);
810 void destroy(GtkWidget
*widget
, gpointer data
)
815 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
817 has_focus
= event
->in
;
825 * set or clear the "raw mouse message" mode
827 void set_raw_mouse_mode(int activate
)
829 activate
= activate
&& !cfg
.no_mouse_rep
;
830 send_raw_mouse
= activate
;
832 inst
->currcursor
= inst
->rawcursor
;
834 inst
->currcursor
= inst
->textcursor
;
838 void request_resize(int w
, int h
)
840 /* FIXME: currently ignored */
843 void palette_set(int n
, int r
, int g
, int b
)
845 /* FIXME: currently ignored */
847 void palette_reset(void)
849 /* FIXME: currently ignored */
852 void write_clip(wchar_t * data
, int len
, int must_deselect
)
854 if (inst
->pasteout_data
)
855 sfree(inst
->pasteout_data
);
856 inst
->pasteout_data
= smalloc(len
);
857 inst
->pasteout_data_len
= len
;
858 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
861 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
863 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
864 GDK_SELECTION_TYPE_STRING
, 1);
865 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
866 inst
->compound_text_atom
, 1);
870 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
871 guint info
, guint time_stamp
, gpointer data
)
873 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
874 inst
->pasteout_data
, inst
->pasteout_data_len
);
877 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
881 if (inst
->pasteout_data
)
882 sfree(inst
->pasteout_data
);
883 inst
->pasteout_data
= NULL
;
884 inst
->pasteout_data_len
= 0;
888 void request_paste(void)
891 * In Unix, pasting is asynchronous: all we can do at the
892 * moment is to call gtk_selection_convert(), and when the data
893 * comes back _then_ we can call term_do_paste().
895 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
896 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
899 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
902 if (seldata
->length
<= 0 ||
903 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
904 return; /* Nothing happens. */
906 if (inst
->pastein_data
)
907 sfree(inst
->pastein_data
);
909 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
910 inst
->pastein_data_len
= seldata
->length
;
911 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
912 inst
->pastein_data
, inst
->pastein_data_len
);
917 void get_clip(wchar_t ** p
, int *len
)
920 *p
= inst
->pastein_data
;
921 *len
= inst
->pastein_data_len
;
925 void set_title(char *title
)
927 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
928 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
929 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
932 void set_icon(char *title
)
934 /* FIXME: currently ignored */
937 void set_sbar(int total
, int start
, int page
)
939 inst
->sbar_adjust
->lower
= 0;
940 inst
->sbar_adjust
->upper
= total
;
941 inst
->sbar_adjust
->value
= start
;
942 inst
->sbar_adjust
->page_size
= page
;
943 inst
->sbar_adjust
->step_increment
= 1;
944 inst
->sbar_adjust
->page_increment
= page
/2;
945 inst
->ignore_sbar
= TRUE
;
946 gtk_adjustment_changed(inst
->sbar_adjust
);
947 inst
->ignore_sbar
= FALSE
;
950 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
952 if (!inst
->ignore_sbar
)
953 term_scroll(1, (int)adj
->value
);
956 void sys_cursor(int x
, int y
)
959 * This is meaningless under X.
968 int CharWidth(Context ctx
, int uc
)
971 * Under X, any fixed-width font really _is_ fixed-width.
972 * Double-width characters will be dealt with using a separate
973 * font. For the moment we can simply return 1.
978 Context
get_ctx(void)
981 if (!inst
->area
->window
)
983 gc
= gdk_gc_new(inst
->area
->window
);
987 void free_ctx(Context ctx
)
989 GdkGC
*gc
= (GdkGC
*)ctx
;
994 * Draw a line of text in the window, at given character
995 * coordinates, in given attributes.
997 * We are allowed to fiddle with the contents of `text'.
999 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1000 unsigned long attr
, int lattr
)
1003 GdkGC
*gc
= (GdkGC
*)ctx
;
1007 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1008 * - LATTR_* (ESC # 4 double-width and double-height stuff)
1009 * - cursor shapes other than block
1013 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1014 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1015 if (attr
& ATTR_REVERSE
) {
1020 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1022 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1024 if (attr
& TATTR_ACTCURS
) {
1029 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1030 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1031 x
*inst
->font_width
+cfg
.window_border
,
1032 y
*inst
->font_height
+cfg
.window_border
,
1033 len
*inst
->font_width
, inst
->font_height
);
1035 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1036 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
1037 x
*inst
->font_width
+cfg
.window_border
,
1038 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1041 if (attr
& ATTR_UNDER
) {
1042 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1043 if (uheight
>= inst
->font_height
)
1044 uheight
= inst
->font_height
- 1;
1045 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1046 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1047 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1048 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1051 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1052 x
*inst
->font_width
+cfg
.window_border
,
1053 y
*inst
->font_height
+cfg
.window_border
,
1054 x
*inst
->font_width
+cfg
.window_border
,
1055 y
*inst
->font_height
+cfg
.window_border
,
1056 len
*inst
->font_width
, inst
->font_height
);
1059 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1060 unsigned long attr
, int lattr
)
1063 GdkGC
*gc
= (GdkGC
*)ctx
;
1066 * NYI: cursor shapes other than block
1068 if (attr
& TATTR_PASCURS
) {
1069 attr
&= ~TATTR_PASCURS
;
1073 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1075 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1076 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1077 x
*inst
->font_width
+cfg
.window_border
,
1078 y
*inst
->font_height
+cfg
.window_border
,
1079 len
*inst
->font_width
-1, inst
->font_height
-1);
1080 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1081 x
*inst
->font_width
+cfg
.window_border
,
1082 y
*inst
->font_height
+cfg
.window_border
,
1083 x
*inst
->font_width
+cfg
.window_border
,
1084 y
*inst
->font_height
+cfg
.window_border
,
1085 len
*inst
->font_width
, inst
->font_height
);
1089 GdkCursor
*make_mouse_ptr(int cursor_val
)
1092 * Truly hideous hack: GTK doesn't allow us to set the mouse
1093 * cursor foreground and background colours unless we've _also_
1094 * created our own cursor from bitmaps. Therefore, I need to
1095 * load the `cursor' font and draw glyphs from it on to
1096 * pixmaps, in order to construct my cursors with the fg and bg
1097 * I want. This is a gross hack, but it's more self-contained
1098 * than linking in Xlib to find the X window handle to
1099 * inst->area and calling XRecolorCursor, and it's more
1100 * futureproof than hard-coding the shapes as bitmap arrays.
1102 static GdkFont
*cursor_font
= NULL
;
1103 GdkPixmap
*source
, *mask
;
1105 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1106 GdkColor cbg
= { 0, 0, 0, 0 };
1107 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1108 GdkColor dbg
= { 0, 0, 0, 0 };
1111 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1113 if (cursor_val
== -2) {
1114 gdk_font_unref(cursor_font
);
1118 if (cursor_val
>= 0 && !cursor_font
)
1119 cursor_font
= gdk_font_load("cursor");
1122 * Get the text extent of the cursor in question. We use the
1123 * mask character for this, because it's typically slightly
1124 * bigger than the main character.
1126 if (cursor_val
>= 0) {
1128 text
[0] = (char)cursor_val
+ 1;
1129 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1130 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1136 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1137 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1140 * Draw the mask character on the mask pixmap.
1142 gc
= gdk_gc_new(mask
);
1143 gdk_gc_set_foreground(gc
, &dbg
);
1144 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1145 if (cursor_val
>= 0) {
1147 text
[0] = (char)cursor_val
+ 1;
1148 gdk_gc_set_foreground(gc
, &dfg
);
1149 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1154 * Draw the main character on the source pixmap.
1156 gc
= gdk_gc_new(source
);
1157 gdk_gc_set_foreground(gc
, &dbg
);
1158 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1159 if (cursor_val
>= 0) {
1161 text
[0] = (char)cursor_val
;
1162 gdk_gc_set_foreground(gc
, &dfg
);
1163 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1168 * Create the cursor.
1170 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1175 gdk_pixmap_unref(source
);
1176 gdk_pixmap_unref(mask
);
1181 void modalfatalbox(char *p
, ...)
1184 fprintf(stderr
, "FATAL ERROR: ");
1186 vfprintf(stderr
, p
, ap
);
1188 fputc('\n', stderr
);
1192 int main(int argc
, char **argv
)
1194 extern int pty_master_fd
; /* declared in pty.c */
1195 extern char **pty_argv
; /* declared in pty.c */
1198 gtk_init(&argc
, &argv
);
1200 do_defaults(NULL
, &cfg
);
1202 while (--argc
> 0) {
1204 if (!strcmp(p
, "-fn")) {
1206 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1207 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1209 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1211 if (!strcmp(p
, "-e")) {
1214 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1216 for (i
= 0; i
< argc
; i
++)
1217 pty_argv
[i
] = argv
[i
];
1218 pty_argv
[argc
] = NULL
;
1219 break; /* finished command-line processing */
1221 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1223 if (!strcmp(p
, "-T")) {
1225 strncpy(cfg
.wintitle
, *++argv
, sizeof(cfg
.wintitle
));
1226 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1228 err
= 1, fprintf(stderr
, "pterm: -T expects an argument\n");
1230 if (!strcmp(p
, "-hide")) {
1231 cfg
.hide_mouseptr
= 1;
1233 if (!strcmp(p
, "-nethack")) {
1234 cfg
.nethack_keypad
= 1;
1238 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1239 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1240 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1241 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1243 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1247 back
= &pty_backend
;
1248 back
->init(NULL
, 0, NULL
, 0);
1250 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1252 if (cfg
.wintitle
[0])
1253 set_title(cfg
.wintitle
);
1257 inst
->area
= gtk_drawing_area_new();
1258 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1259 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1260 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1261 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1262 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1263 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1264 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1265 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1267 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1271 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1272 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1273 geom
.max_width
= geom
.max_height
= -1;
1274 geom
.base_width
= 2*cfg
.window_border
;
1275 geom
.base_height
= 2*cfg
.window_border
;
1276 geom
.width_inc
= inst
->font_width
;
1277 geom
.height_inc
= inst
->font_height
;
1278 geom
.min_aspect
= geom
.max_aspect
= 0;
1279 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1280 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1281 GDK_HINT_RESIZE_INC
);
1284 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1285 GTK_SIGNAL_FUNC(destroy
), inst
);
1286 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1287 GTK_SIGNAL_FUNC(delete_window
), inst
);
1288 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1289 GTK_SIGNAL_FUNC(key_event
), inst
);
1290 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1291 GTK_SIGNAL_FUNC(focus_event
), inst
);
1292 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1293 GTK_SIGNAL_FUNC(focus_event
), inst
);
1294 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1295 GTK_SIGNAL_FUNC(configure_area
), inst
);
1296 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1297 GTK_SIGNAL_FUNC(expose_area
), inst
);
1298 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1299 GTK_SIGNAL_FUNC(button_event
), inst
);
1300 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1301 GTK_SIGNAL_FUNC(button_event
), inst
);
1302 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1303 GTK_SIGNAL_FUNC(motion_event
), inst
);
1304 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1305 GTK_SIGNAL_FUNC(selection_received
), inst
);
1306 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1307 GTK_SIGNAL_FUNC(selection_get
), inst
);
1308 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1309 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1310 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1311 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1312 gtk_idle_add(idle_func
, inst
);
1313 gtk_timeout_add(20, timer_func
, inst
);
1314 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1315 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1316 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1317 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1318 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
1320 gtk_widget_show(inst
->area
);
1321 gtk_widget_show(inst
->sbar
);
1322 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1323 gtk_widget_show(inst
->window
);
1325 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1326 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1327 inst
->blankcursor
= make_mouse_ptr(-1);
1328 make_mouse_ptr(-2); /* clean up cursor font */
1329 inst
->currcursor
= inst
->textcursor
;
1333 term_size(24, 80, 2000);