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
)];
47 static struct gui_data the_inst
;
48 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
49 static int send_raw_mouse
;
51 void ldisc_update(int echo
, int edit
)
54 * This is a stub in pterm. If I ever produce a Unix
55 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
56 * then it will require some termios manoeuvring analogous to
57 * that in the Windows plink.c, but here it's meaningless.
61 int askappend(char *filename
)
64 * Logging in an xterm-alike is liable to be something you only
65 * do at serious diagnostic need. Hence, I'm going to take the
66 * easy option for now and assume we always want to overwrite
67 * log files. I can always make it properly configurable later.
72 void logevent(char *string
)
75 * This is not a very helpful function: events are logged
76 * pretty much exclusively by the back end, and our pty back
77 * end is self-contained. So we need do nothing.
82 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
83 * into a cooked one (SELECT, EXTEND, PASTE).
85 * In Unix, this is not configurable; the X button arrangement is
86 * rock-solid across all applications, everyone has a three-button
87 * mouse or a means of faking it, and there is no need to switch
88 * buttons around at all.
90 Mouse_Button
translate_button(Mouse_Button button
)
92 if (button
== MBT_LEFT
)
94 if (button
== MBT_MIDDLE
)
96 if (button
== MBT_RIGHT
)
98 return 0; /* shouldn't happen */
102 * Minimise or restore the window in response to a server-side
105 void set_iconic(int iconic
)
107 /* FIXME: currently ignored */
111 * Move the window in response to a server-side request.
113 void move_window(int x
, int y
)
115 /* FIXME: currently ignored */
119 * Move the window to the top or bottom of the z-order in response
120 * to a server-side request.
122 void set_zorder(int top
)
124 /* FIXME: currently ignored */
128 * Refresh the window in response to a server-side request.
130 void refresh_window(void)
132 /* FIXME: currently ignored */
136 * Maximise or restore the window in response to a server-side
139 void set_zoomed(int zoomed
)
141 /* FIXME: currently ignored */
145 * Report whether the window is iconic, for terminal reports.
149 return 0; /* FIXME */
153 * Report the window's position, for terminal reports.
155 void get_window_pos(int *x
, int *y
)
157 *x
= 3; *y
= 4; /* FIXME */
161 * Report the window's pixel size, for terminal reports.
163 void get_window_pixels(int *x
, int *y
)
165 *x
= 1; *y
= 2; /* FIXME */
169 * Return the window or icon title.
171 char *get_window_title(int icon
)
173 return inst
->wintitle
;
176 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
179 * We could implement warn-on-close here if we really wanted
185 void show_mouseptr(int show
)
187 if (!cfg
.hide_mouseptr
)
190 gdk_window_set_cursor(inst
->area
->window
, inst
->currcursor
);
192 gdk_window_set_cursor(inst
->area
->window
, inst
->blankcursor
);
193 inst
->mouseptr_visible
= show
;
196 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
198 struct gui_data
*inst
= (struct gui_data
*)data
;
199 int w
, h
, need_size
= 0;
202 * Set up the colour map.
206 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
207 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
209 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
211 gdk_pixmap_unref(inst
->pixmap
);
221 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
222 (cfg
.width
* inst
->font_width
+
223 2*cfg
.window_border
),
224 (cfg
.height
* inst
->font_height
+
225 2*cfg
.window_border
), -1);
227 gc
= gdk_gc_new(inst
->area
->window
);
228 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
229 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
230 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
231 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
236 term_size(h
, w
, cfg
.savelines
);
242 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
244 /* struct gui_data *inst = (struct gui_data *)data; */
247 * Pass the exposed rectangle to terminal.c, which will call us
248 * back to do the actual painting.
251 gdk_draw_pixmap(widget
->window
,
252 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
254 event
->area
.x
, event
->area
.y
,
255 event
->area
.x
, event
->area
.y
,
256 event
->area
.width
, event
->area
.height
);
261 #define KEY_PRESSED(k) \
262 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
264 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
266 /* struct gui_data *inst = (struct gui_data *)data; */
270 if (event
->type
== GDK_KEY_PRESS
) {
274 printf("keypress: keyval = %04x, state = %08x; string =",
275 event
->keyval
, event
->state
);
276 for (i
= 0; event
->string
[i
]; i
++)
277 printf(" %02x", (unsigned char) event
->string
[i
]);
285 * - Compose key (!!! requires Unicode faff before even trying)
289 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
292 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
293 term_scroll(0, -cfg
.height
/2);
296 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
297 term_scroll(0, +cfg
.height
/2);
302 * Neither does Shift-Ins.
304 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
309 /* ALT+things gives leading Escape. */
311 strncpy(output
+1, event
->string
, 31);
313 end
= strlen(output
);
314 if (event
->state
& GDK_MOD1_MASK
)
319 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
320 if (!event
->string
[0] && event
->keyval
== '`' &&
321 (event
->state
& GDK_CONTROL_MASK
)) {
326 /* Control-Break is the same as Control-C */
327 if (event
->keyval
== GDK_Break
&&
328 (event
->state
& GDK_CONTROL_MASK
)) {
333 /* Control-2, Control-Space and Control-@ are NUL */
334 if (!event
->string
[0] &&
335 (event
->keyval
== ' ' || event
->keyval
== '2' ||
336 event
->keyval
== '@') &&
337 (event
->state
& (GDK_SHIFT_MASK
|
338 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
343 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
344 if (!event
->string
[0] && event
->keyval
== ' ' &&
345 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
346 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
351 /* We don't let GTK tell us what Backspace is! We know better. */
352 if (event
->keyval
== GDK_BackSpace
&&
353 !(event
->state
& GDK_SHIFT_MASK
)) {
354 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
358 /* Shift-Tab is ESC [ Z */
359 if (event
->keyval
== GDK_ISO_Left_Tab
||
360 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
361 end
= 1 + sprintf(output
+1, "\033[Z");
365 * NetHack keypad mode.
367 if (cfg
.nethack_keypad
) {
369 switch (event
->keyval
) {
370 case GDK_KP_1
: case GDK_KP_End
: keys
= "bB"; break;
371 case GDK_KP_2
: case GDK_KP_Down
: keys
= "jJ"; break;
372 case GDK_KP_3
: case GDK_KP_Page_Down
: keys
= "nN"; break;
373 case GDK_KP_4
: case GDK_KP_Left
: keys
= "hH"; break;
374 case GDK_KP_5
: case GDK_KP_Begin
: keys
= ".."; break;
375 case GDK_KP_6
: case GDK_KP_Right
: keys
= "lL"; break;
376 case GDK_KP_7
: case GDK_KP_Home
: keys
= "yY"; break;
377 case GDK_KP_8
: case GDK_KP_Up
: keys
= "kK"; break;
378 case GDK_KP_9
: case GDK_KP_Page_Up
: keys
= "uU"; break;
382 if (event
->state
& GDK_SHIFT_MASK
)
391 * Application keypad mode.
393 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
395 switch (event
->keyval
) {
396 case GDK_Num_Lock
: xkey
= 'P'; break;
397 case GDK_KP_Divide
: xkey
= 'Q'; break;
398 case GDK_KP_Multiply
: xkey
= 'R'; break;
399 case GDK_KP_Subtract
: xkey
= 'S'; break;
401 * Keypad + is tricky. It covers a space that would
402 * be taken up on the VT100 by _two_ keys; so we
403 * let Shift select between the two. Worse still,
404 * in xterm function key mode we change which two...
407 if (cfg
.funky_type
== 2) {
408 if (event
->state
& GDK_SHIFT_MASK
)
412 } else if (event
->state
& GDK_SHIFT_MASK
)
417 case GDK_KP_Enter
: xkey
= 'M'; break;
418 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
419 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
420 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
421 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
422 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
423 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
424 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
425 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
426 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
427 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
428 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
432 if (xkey
>= 'P' && xkey
<= 'S')
433 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
435 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
437 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
443 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
444 * for integer decimal nn.)
446 * We also deal with the weird ones here. Linux VCs replace F1
447 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
448 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
453 switch (event
->keyval
) {
455 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
458 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
461 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
464 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
467 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
470 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
473 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
476 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
479 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
482 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
515 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
516 case GDK_Home
: case GDK_KP_Home
:
519 case GDK_Insert
: case GDK_KP_Insert
:
522 case GDK_Delete
: case GDK_KP_Delete
:
525 case GDK_End
: case GDK_KP_End
:
528 case GDK_Page_Up
: case GDK_KP_Page_Up
:
531 case GDK_Page_Down
: case GDK_KP_Page_Down
:
535 /* Reorder edit keys to physical order */
536 if (cfg
.funky_type
== 3 && code
<= 6)
537 code
= "\0\2\1\4\5\3\6"[code
];
539 if (vt52_mode
&& code
> 0 && code
<= 6) {
540 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
544 if (cfg
.funky_type
== 5 && /* SCO function keys */
545 code
>= 11 && code
<= 34) {
546 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
548 switch (event
->keyval
) {
549 case GDK_F1
: index
= 0; break;
550 case GDK_F2
: index
= 1; break;
551 case GDK_F3
: index
= 2; break;
552 case GDK_F4
: index
= 3; break;
553 case GDK_F5
: index
= 4; break;
554 case GDK_F6
: index
= 5; break;
555 case GDK_F7
: index
= 6; break;
556 case GDK_F8
: index
= 7; break;
557 case GDK_F9
: index
= 8; break;
558 case GDK_F10
: index
= 9; break;
559 case GDK_F11
: index
= 10; break;
560 case GDK_F12
: index
= 11; break;
562 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
563 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
564 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
567 if (cfg
.funky_type
== 5 && /* SCO small keypad */
568 code
>= 1 && code
<= 6) {
569 char codes
[] = "HL.FIG";
574 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
578 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
585 end
= 1 + sprintf(output
+1,
586 "\x1B%c", code
+ 'P' - 11 - offt
);
588 end
= 1 + sprintf(output
+1,
589 "\x1BO%c", code
+ 'P' - 11 - offt
);
592 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
593 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
596 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
598 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
600 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
603 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
604 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
608 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
614 * Cursor keys. (This includes the numberpad cursor keys,
615 * if we haven't already done them due to app keypad mode.)
617 * Here we also process un-numlocked un-appkeypadded KP5,
618 * which sends ESC [ G.
622 switch (event
->keyval
) {
623 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
624 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
625 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
626 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
627 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
631 * The arrow keys normally do ESC [ A and so on. In
632 * app cursor keys mode they do ESC O A instead.
633 * Ctrl toggles the two modes.
636 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
637 } else if (!app_cursor_keys
^
638 !(event
->state
& GDK_CONTROL_MASK
)) {
639 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
641 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
652 printf("generating sequence:");
653 for (i
= start
; i
< end
; i
++)
654 printf(" %02x", (unsigned char) output
[i
]);
659 ldisc_send(output
+start
, end
-start
, 1);
668 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
670 struct gui_data
*inst
= (struct gui_data
*)data
;
671 int shift
, ctrl
, alt
, x
, y
, button
, act
;
675 shift
= event
->state
& GDK_SHIFT_MASK
;
676 ctrl
= event
->state
& GDK_CONTROL_MASK
;
677 alt
= event
->state
& GDK_MOD1_MASK
;
678 if (event
->button
== 1)
680 else if (event
->button
== 2)
682 else if (event
->button
== 3)
685 return FALSE
; /* don't even know what button! */
687 switch (event
->type
) {
688 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
689 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
690 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
691 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
692 default: return FALSE
; /* don't know this event type */
695 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
696 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
697 return TRUE
; /* we ignore these in raw mouse mode */
699 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
700 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
702 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
707 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
709 struct gui_data
*inst
= (struct gui_data
*)data
;
710 int shift
, ctrl
, alt
, x
, y
, button
;
714 shift
= event
->state
& GDK_SHIFT_MASK
;
715 ctrl
= event
->state
& GDK_CONTROL_MASK
;
716 alt
= event
->state
& GDK_MOD1_MASK
;
717 if (event
->state
& GDK_BUTTON1_MASK
)
719 else if (event
->state
& GDK_BUTTON2_MASK
)
721 else if (event
->state
& GDK_BUTTON3_MASK
)
724 return FALSE
; /* don't even know what button! */
726 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
727 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
729 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
734 gint
timer_func(gpointer data
)
736 /* struct gui_data *inst = (struct gui_data *)data; */
737 extern int pty_child_is_dead(); /* declared in pty.c */
739 if (pty_child_is_dead()) {
741 * The primary child process died. We could keep the
742 * terminal open for remaining subprocesses to output to,
743 * but conventional wisdom seems to feel that that's the
744 * Wrong Thing for an xterm-alike, so we bail out now. This
745 * would be easy enough to change or make configurable if
755 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
757 /* struct gui_data *inst = (struct gui_data *)data; */
761 ret
= read(sourcefd
, buf
, sizeof(buf
));
764 * Clean termination condition is that either ret == 0, or ret
765 * < 0 and errno == EIO. Not sure why the latter, but it seems
768 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
773 perror("read pty master");
777 from_backend(0, buf
, ret
);
781 void destroy(GtkWidget
*widget
, gpointer data
)
786 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
788 has_focus
= event
->in
;
796 * set or clear the "raw mouse message" mode
798 void set_raw_mouse_mode(int activate
)
800 activate
= activate
&& !cfg
.no_mouse_rep
;
801 send_raw_mouse
= activate
;
803 inst
->currcursor
= inst
->rawcursor
;
805 inst
->currcursor
= inst
->textcursor
;
806 show_mouseptr(inst
->mouseptr_visible
);
809 void request_resize(int w
, int h
)
811 /* FIXME: currently ignored */
814 void real_palette_set(int n
, int r
, int g
, int b
)
818 inst
->cols
[n
].red
= r
* 0x0101;
819 inst
->cols
[n
].green
= g
* 0x0101;
820 inst
->cols
[n
].blue
= b
* 0x0101;
822 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
+ n
, 1,
823 FALSE
, FALSE
, success
);
825 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
829 void palette_set(int n
, int r
, int g
, int b
)
831 static const int first
[21] = {
832 0, 2, 4, 6, 8, 10, 12, 14,
833 1, 3, 5, 7, 9, 11, 13, 15,
836 real_palette_set(first
[n
], r
, g
, b
);
838 real_palette_set(first
[n
] + 1, r
, g
, b
);
841 void palette_reset(void)
843 /* This maps colour indices in cfg to those used in inst->cols. */
844 static const int ww
[] = {
845 6, 7, 8, 9, 10, 11, 12, 13,
846 14, 15, 16, 17, 18, 19, 20, 21,
849 gboolean success
[NCOLOURS
];
852 assert(lenof(ww
) == NCOLOURS
);
855 inst
->colmap
= gdk_colormap_get_system();
857 gdk_colormap_free_colors(inst
->colmap
, inst
->cols
, NCOLOURS
);
860 for (i
= 0; i
< NCOLOURS
; i
++) {
861 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
862 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
863 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
866 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
867 FALSE
, FALSE
, success
);
868 for (i
= 0; i
< NCOLOURS
; i
++) {
870 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
871 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
875 void write_clip(wchar_t * data
, int len
, int must_deselect
)
877 if (inst
->pasteout_data
)
878 sfree(inst
->pasteout_data
);
879 inst
->pasteout_data
= smalloc(len
);
880 inst
->pasteout_data_len
= len
;
881 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
884 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
886 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
887 GDK_SELECTION_TYPE_STRING
, 1);
888 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
889 inst
->compound_text_atom
, 1);
893 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
894 guint info
, guint time_stamp
, gpointer data
)
896 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
897 inst
->pasteout_data
, inst
->pasteout_data_len
);
900 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
904 if (inst
->pasteout_data
)
905 sfree(inst
->pasteout_data
);
906 inst
->pasteout_data
= NULL
;
907 inst
->pasteout_data_len
= 0;
911 void request_paste(void)
914 * In Unix, pasting is asynchronous: all we can do at the
915 * moment is to call gtk_selection_convert(), and when the data
916 * comes back _then_ we can call term_do_paste().
918 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
919 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
922 gint
idle_paste_func(gpointer data
); /* forward ref */
924 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
927 if (seldata
->length
<= 0 ||
928 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
929 return; /* Nothing happens. */
931 if (inst
->pastein_data
)
932 sfree(inst
->pastein_data
);
934 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
935 inst
->pastein_data_len
= seldata
->length
;
936 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
937 inst
->pastein_data
, inst
->pastein_data_len
);
941 if (term_paste_pending())
942 inst
->term_paste_idle_id
= gtk_idle_add(idle_paste_func
, inst
);
945 gint
idle_paste_func(gpointer data
)
947 struct gui_data
*inst
= (struct gui_data
*)data
;
949 if (term_paste_pending())
952 gtk_idle_remove(inst
->term_paste_idle_id
);
958 void get_clip(wchar_t ** p
, int *len
)
961 *p
= inst
->pastein_data
;
962 *len
= inst
->pastein_data_len
;
966 void set_title(char *title
)
968 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
969 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
970 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
973 void set_icon(char *title
)
975 /* FIXME: currently ignored */
978 void set_sbar(int total
, int start
, int page
)
980 inst
->sbar_adjust
->lower
= 0;
981 inst
->sbar_adjust
->upper
= total
;
982 inst
->sbar_adjust
->value
= start
;
983 inst
->sbar_adjust
->page_size
= page
;
984 inst
->sbar_adjust
->step_increment
= 1;
985 inst
->sbar_adjust
->page_increment
= page
/2;
986 inst
->ignore_sbar
= TRUE
;
987 gtk_adjustment_changed(inst
->sbar_adjust
);
988 inst
->ignore_sbar
= FALSE
;
991 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
993 if (!inst
->ignore_sbar
)
994 term_scroll(1, (int)adj
->value
);
997 void sys_cursor(int x
, int y
)
1000 * This is meaningless under X.
1009 int CharWidth(Context ctx
, int uc
)
1012 * Under X, any fixed-width font really _is_ fixed-width.
1013 * Double-width characters will be dealt with using a separate
1014 * font. For the moment we can simply return 1.
1019 Context
get_ctx(void)
1022 if (!inst
->area
->window
)
1024 gc
= gdk_gc_new(inst
->area
->window
);
1028 void free_ctx(Context ctx
)
1030 GdkGC
*gc
= (GdkGC
*)ctx
;
1035 * Draw a line of text in the window, at given character
1036 * coordinates, in given attributes.
1038 * We are allowed to fiddle with the contents of `text'.
1040 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
1041 unsigned long attr
, int lattr
)
1044 GdkGC
*gc
= (GdkGC
*)ctx
;
1048 * - Unicode, code pages, and ATTR_WIDE for CJK support.
1049 * - cursor shapes other than block
1053 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
1054 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
1055 if (attr
& ATTR_REVERSE
) {
1060 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
1062 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
1064 if (attr
& TATTR_ACTCURS
) {
1069 if (lattr
!= LATTR_NORM
) {
1073 if (x
+ len
*2 > cols
)
1074 len
= (cols
-x
)/2; /* trim to LH half */
1077 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
1078 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
1079 x
*inst
->font_width
+cfg
.window_border
,
1080 y
*inst
->font_height
+cfg
.window_border
,
1081 len
*inst
->font_width
, inst
->font_height
);
1083 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
1084 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
1085 x
*inst
->font_width
+cfg
.window_border
,
1086 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
1089 if (attr
& ATTR_UNDER
) {
1090 int uheight
= inst
->fonts
[0]->ascent
+ 1;
1091 if (uheight
>= inst
->font_height
)
1092 uheight
= inst
->font_height
- 1;
1093 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
1094 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
1095 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
1096 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
1099 if (lattr
!= LATTR_NORM
) {
1101 * I can't find any plausible StretchBlt equivalent in the
1102 * X server, so I'm going to do this the slow and painful
1103 * way. This will involve repeated calls to
1104 * gdk_draw_pixmap() to stretch the text horizontally. It's
1105 * O(N^2) in time and O(N) in network bandwidth, but you
1106 * try thinking of a better way. :-(
1109 for (i
= 0; i
< len
* inst
->font_width
; i
++) {
1110 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1111 x
*inst
->font_width
+cfg
.window_border
+ 2*i
,
1112 y
*inst
->font_height
+cfg
.window_border
,
1113 x
*inst
->font_width
+cfg
.window_border
+ 2*i
+1,
1114 y
*inst
->font_height
+cfg
.window_border
,
1115 len
* inst
->font_width
- i
, inst
->font_height
);
1118 if (lattr
!= LATTR_WIDE
) {
1120 /* Now stretch vertically, in the same way. */
1121 if (lattr
== LATTR_BOT
)
1125 for (i
= 0; i
< inst
->font_height
; i
+=2) {
1126 gdk_draw_pixmap(inst
->pixmap
, gc
, inst
->pixmap
,
1127 x
*inst
->font_width
+cfg
.window_border
,
1128 y
*inst
->font_height
+cfg
.window_border
+dt
*i
+db
,
1129 x
*inst
->font_width
+cfg
.window_border
,
1130 y
*inst
->font_height
+cfg
.window_border
+dt
*(i
+1),
1131 len
* inst
->font_width
, inst
->font_height
-i
-1);
1137 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1138 x
*inst
->font_width
+cfg
.window_border
,
1139 y
*inst
->font_height
+cfg
.window_border
,
1140 x
*inst
->font_width
+cfg
.window_border
,
1141 y
*inst
->font_height
+cfg
.window_border
,
1142 len
*inst
->font_width
, inst
->font_height
);
1145 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
1146 unsigned long attr
, int lattr
)
1149 GdkGC
*gc
= (GdkGC
*)ctx
;
1152 * NYI: cursor shapes other than block
1154 if (attr
& TATTR_PASCURS
) {
1155 attr
&= ~TATTR_PASCURS
;
1159 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1161 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1162 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1163 x
*inst
->font_width
+cfg
.window_border
,
1164 y
*inst
->font_height
+cfg
.window_border
,
1165 len
*inst
->font_width
-1, inst
->font_height
-1);
1166 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1167 x
*inst
->font_width
+cfg
.window_border
,
1168 y
*inst
->font_height
+cfg
.window_border
,
1169 x
*inst
->font_width
+cfg
.window_border
,
1170 y
*inst
->font_height
+cfg
.window_border
,
1171 len
*inst
->font_width
, inst
->font_height
);
1175 GdkCursor
*make_mouse_ptr(int cursor_val
)
1178 * Truly hideous hack: GTK doesn't allow us to set the mouse
1179 * cursor foreground and background colours unless we've _also_
1180 * created our own cursor from bitmaps. Therefore, I need to
1181 * load the `cursor' font and draw glyphs from it on to
1182 * pixmaps, in order to construct my cursors with the fg and bg
1183 * I want. This is a gross hack, but it's more self-contained
1184 * than linking in Xlib to find the X window handle to
1185 * inst->area and calling XRecolorCursor, and it's more
1186 * futureproof than hard-coding the shapes as bitmap arrays.
1188 static GdkFont
*cursor_font
= NULL
;
1189 GdkPixmap
*source
, *mask
;
1191 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1192 GdkColor cbg
= { 0, 0, 0, 0 };
1193 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1194 GdkColor dbg
= { 0, 0, 0, 0 };
1197 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1199 if (cursor_val
== -2) {
1200 gdk_font_unref(cursor_font
);
1204 if (cursor_val
>= 0 && !cursor_font
)
1205 cursor_font
= gdk_font_load("cursor");
1208 * Get the text extent of the cursor in question. We use the
1209 * mask character for this, because it's typically slightly
1210 * bigger than the main character.
1212 if (cursor_val
>= 0) {
1214 text
[0] = (char)cursor_val
+ 1;
1215 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1216 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1222 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1223 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1226 * Draw the mask character on the mask pixmap.
1228 gc
= gdk_gc_new(mask
);
1229 gdk_gc_set_foreground(gc
, &dbg
);
1230 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1231 if (cursor_val
>= 0) {
1233 text
[0] = (char)cursor_val
+ 1;
1234 gdk_gc_set_foreground(gc
, &dfg
);
1235 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1240 * Draw the main character on the source pixmap.
1242 gc
= gdk_gc_new(source
);
1243 gdk_gc_set_foreground(gc
, &dbg
);
1244 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1245 if (cursor_val
>= 0) {
1247 text
[0] = (char)cursor_val
;
1248 gdk_gc_set_foreground(gc
, &dfg
);
1249 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1254 * Create the cursor.
1256 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1261 gdk_pixmap_unref(source
);
1262 gdk_pixmap_unref(mask
);
1267 void modalfatalbox(char *p
, ...)
1270 fprintf(stderr
, "FATAL ERROR: ");
1272 vfprintf(stderr
, p
, ap
);
1274 fputc('\n', stderr
);
1278 char *get_x_display(void)
1280 return gdk_get_display();
1283 int main(int argc
, char **argv
)
1285 extern int pty_master_fd
; /* declared in pty.c */
1286 extern int pty_stamp_utmp
; /* declared in pty.c */
1287 extern char **pty_argv
; /* declared in pty.c */
1290 gtk_init(&argc
, &argv
);
1292 do_defaults(NULL
, &cfg
);
1294 while (--argc
> 0) {
1296 if (!strcmp(p
, "-fn")) {
1298 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1299 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1301 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1303 if (!strcmp(p
, "-e")) {
1306 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1308 for (i
= 0; i
< argc
; i
++)
1309 pty_argv
[i
] = argv
[i
];
1310 pty_argv
[argc
] = NULL
;
1311 break; /* finished command-line processing */
1313 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1315 if (!strcmp(p
, "-T")) {
1317 strncpy(cfg
.wintitle
, *++argv
, sizeof(cfg
.wintitle
));
1318 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1320 err
= 1, fprintf(stderr
, "pterm: -T expects an argument\n");
1322 if (!strcmp(p
, "-log")) {
1324 strncpy(cfg
.logfilename
, *++argv
, sizeof(cfg
.logfilename
));
1325 cfg
.logfilename
[sizeof(cfg
.logfilename
)-1] = '\0';
1326 cfg
.logtype
= LGTYP_DEBUG
;
1328 err
= 1, fprintf(stderr
, "pterm: -log expects an argument\n");
1330 if (!strcmp(p
, "-hide")) {
1331 cfg
.hide_mouseptr
= 1;
1333 if (!strcmp(p
, "-ut-")) {
1336 if (!strcmp(p
, "-nethack")) {
1337 cfg
.nethack_keypad
= 1;
1341 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1342 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1343 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1344 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1346 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1350 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1352 if (cfg
.wintitle
[0])
1353 set_title(cfg
.wintitle
);
1357 inst
->area
= gtk_drawing_area_new();
1358 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1359 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1360 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1361 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1362 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1363 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1364 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1365 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1367 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1371 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1372 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1373 geom
.max_width
= geom
.max_height
= -1;
1374 geom
.base_width
= 2*cfg
.window_border
;
1375 geom
.base_height
= 2*cfg
.window_border
;
1376 geom
.width_inc
= inst
->font_width
;
1377 geom
.height_inc
= inst
->font_height
;
1378 geom
.min_aspect
= geom
.max_aspect
= 0;
1379 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1380 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1381 GDK_HINT_RESIZE_INC
);
1384 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1385 GTK_SIGNAL_FUNC(destroy
), inst
);
1386 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1387 GTK_SIGNAL_FUNC(delete_window
), inst
);
1388 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1389 GTK_SIGNAL_FUNC(key_event
), inst
);
1390 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1391 GTK_SIGNAL_FUNC(focus_event
), inst
);
1392 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1393 GTK_SIGNAL_FUNC(focus_event
), inst
);
1394 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1395 GTK_SIGNAL_FUNC(configure_area
), inst
);
1396 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1397 GTK_SIGNAL_FUNC(expose_area
), inst
);
1398 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1399 GTK_SIGNAL_FUNC(button_event
), inst
);
1400 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1401 GTK_SIGNAL_FUNC(button_event
), inst
);
1402 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1403 GTK_SIGNAL_FUNC(motion_event
), inst
);
1404 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1405 GTK_SIGNAL_FUNC(selection_received
), inst
);
1406 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1407 GTK_SIGNAL_FUNC(selection_get
), inst
);
1408 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1409 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1410 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1411 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1412 gtk_timeout_add(20, timer_func
, inst
);
1413 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1414 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1415 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1416 GDK_POINTER_MOTION_MASK
| GDK_BUTTON_MOTION_MASK
);
1418 gtk_widget_show(inst
->area
);
1419 gtk_widget_show(inst
->sbar
);
1420 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1421 gtk_widget_show(inst
->window
);
1423 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1424 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1425 inst
->blankcursor
= make_mouse_ptr(-1);
1426 make_mouse_ptr(-2); /* clean up cursor font */
1427 inst
->currcursor
= inst
->textcursor
;
1430 back
= &pty_backend
;
1431 back
->init(NULL
, 0, NULL
, 0);
1433 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1436 term_size(24, 80, 2000);