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
;
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 * FIXME: event log entries are currently ignored.
76 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
77 * into a cooked one (SELECT, EXTEND, PASTE).
79 * In Unix, this is not configurable; the X button arrangement is
80 * rock-solid across all applications, everyone has a three-button
81 * mouse or a means of faking it, and there is no need to switch
82 * buttons around at all.
84 Mouse_Button
translate_button(Mouse_Button button
)
86 if (button
== MBT_LEFT
)
88 if (button
== MBT_MIDDLE
)
90 if (button
== MBT_RIGHT
)
92 return 0; /* shouldn't happen */
96 * Minimise or restore the window in response to a server-side
99 void set_iconic(int iconic
)
101 /* FIXME: currently ignored */
105 * Move the window in response to a server-side request.
107 void move_window(int x
, int y
)
109 /* FIXME: currently ignored */
113 * Move the window to the top or bottom of the z-order in response
114 * to a server-side request.
116 void set_zorder(int top
)
118 /* FIXME: currently ignored */
122 * Refresh the window in response to a server-side request.
124 void refresh_window(void)
126 /* FIXME: currently ignored */
130 * Maximise or restore the window in response to a server-side
133 void set_zoomed(int zoomed
)
135 /* FIXME: currently ignored */
139 * Report whether the window is iconic, for terminal reports.
143 return 0; /* FIXME */
147 * Report the window's position, for terminal reports.
149 void get_window_pos(int *x
, int *y
)
151 *x
= 3; *y
= 4; /* FIXME */
155 * Report the window's pixel size, for terminal reports.
157 void get_window_pixels(int *x
, int *y
)
159 *x
= 1; *y
= 2; /* FIXME */
163 * Return the window or icon title.
165 char *get_window_title(int icon
)
167 return inst
->wintitle
;
170 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
173 * FIXME: warn on close?
178 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
180 struct gui_data
*inst
= (struct gui_data
*)data
;
181 int w
, h
, need_size
= 0;
183 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
184 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
186 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
188 gdk_pixmap_unref(inst
->pixmap
);
198 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
199 (cfg
.width
* inst
->font_width
+
200 2*cfg
.window_border
),
201 (cfg
.height
* inst
->font_height
+
202 2*cfg
.window_border
), -1);
204 gc
= gdk_gc_new(inst
->area
->window
);
205 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
206 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
207 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
208 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
213 term_size(h
, w
, cfg
.savelines
);
217 * Set up the colour map.
220 static const int ww
[] = {
221 6, 7, 8, 9, 10, 11, 12, 13,
222 14, 15, 16, 17, 18, 19, 20, 21,
225 gboolean success
[NCOLOURS
];
228 inst
->colmap
= gdk_colormap_get_system();
230 assert(lenof(ww
) == NCOLOURS
);
232 for (i
= 0; i
< NCOLOURS
; i
++) {
233 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
234 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
235 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
238 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
239 FALSE
, FALSE
, success
);
240 for (i
= 0; i
< NCOLOURS
; i
++) {
242 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
243 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
250 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
252 /* struct gui_data *inst = (struct gui_data *)data; */
255 * Pass the exposed rectangle to terminal.c, which will call us
256 * back to do the actual painting.
259 gdk_draw_pixmap(widget
->window
,
260 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
262 event
->area
.x
, event
->area
.y
,
263 event
->area
.x
, event
->area
.y
,
264 event
->area
.width
, event
->area
.height
);
269 #define KEY_PRESSED(k) \
270 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
272 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
274 /* struct gui_data *inst = (struct gui_data *)data; */
278 if (event
->type
== GDK_KEY_PRESS
) {
282 printf("keypress: keyval = %04x, state = %08x; string =",
283 event
->keyval
, event
->state
);
284 for (i
= 0; event
->string
[i
]; i
++)
285 printf(" %02x", (unsigned char) event
->string
[i
]);
294 * - Compose key (!!! requires Unicode faff before even trying)
298 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
301 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
302 term_scroll(0, -cfg
.height
/2);
305 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
306 term_scroll(0, +cfg
.height
/2);
311 * Neither does Shift-Ins.
313 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
318 /* ALT+things gives leading Escape. */
320 strncpy(output
+1, event
->string
, 31);
322 end
= strlen(output
);
323 if (event
->state
& GDK_MOD1_MASK
)
328 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
329 if (!event
->string
[0] && event
->keyval
== '`' &&
330 (event
->state
& GDK_CONTROL_MASK
)) {
335 /* Control-Break is the same as Control-C */
336 if (event
->keyval
== GDK_Break
&&
337 (event
->state
& GDK_CONTROL_MASK
)) {
342 /* Control-2, Control-Space and Control-@ are NUL */
343 if (!event
->string
[0] &&
344 (event
->keyval
== ' ' || event
->keyval
== '2' ||
345 event
->keyval
== '@') &&
346 (event
->state
& (GDK_SHIFT_MASK
|
347 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
352 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
353 if (!event
->string
[0] && event
->keyval
== ' ' &&
354 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
355 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
360 /* We don't let GTK tell us what Backspace is! We know better. */
361 if (event
->keyval
== GDK_BackSpace
&&
362 !(event
->state
& GDK_SHIFT_MASK
)) {
363 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
367 /* Shift-Tab is ESC [ Z */
368 if (event
->keyval
== GDK_ISO_Left_Tab
||
369 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
370 end
= 1 + sprintf(output
+1, "\033[Z");
374 * Application keypad mode.
376 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
378 switch (event
->keyval
) {
379 case GDK_Num_Lock
: xkey
= 'P'; break;
380 case GDK_KP_Divide
: xkey
= 'Q'; break;
381 case GDK_KP_Multiply
: xkey
= 'R'; break;
382 case GDK_KP_Subtract
: xkey
= 'S'; break;
384 * Keypad + is tricky. It covers a space that would
385 * be taken up on the VT100 by _two_ keys; so we
386 * let Shift select between the two. Worse still,
387 * in xterm function key mode we change which two...
390 if (cfg
.funky_type
== 2) {
391 if (event
->state
& GDK_SHIFT_MASK
)
395 } else if (event
->state
& GDK_SHIFT_MASK
)
400 case GDK_KP_Enter
: xkey
= 'M'; break;
401 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
402 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
403 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
404 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
405 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
406 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
407 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
408 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
409 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
410 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
411 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
415 if (xkey
>= 'P' && xkey
<= 'S')
416 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
418 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
420 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
426 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
427 * for integer decimal nn.)
429 * We also deal with the weird ones here. Linux VCs replace F1
430 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
431 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
436 switch (event
->keyval
) {
438 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
441 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
444 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
447 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
450 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
453 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
456 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
459 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
462 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
465 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
498 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
499 case GDK_Home
: case GDK_KP_Home
:
502 case GDK_Insert
: case GDK_KP_Insert
:
505 case GDK_Delete
: case GDK_KP_Delete
:
508 case GDK_End
: case GDK_KP_End
:
511 case GDK_Page_Up
: case GDK_KP_Page_Up
:
514 case GDK_Page_Down
: case GDK_KP_Page_Down
:
518 /* Reorder edit keys to physical order */
519 if (cfg
.funky_type
== 3 && code
<= 6)
520 code
= "\0\2\1\4\5\3\6"[code
];
522 if (vt52_mode
&& code
> 0 && code
<= 6) {
523 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
527 if (cfg
.funky_type
== 5 && /* SCO function keys */
528 code
>= 11 && code
<= 34) {
529 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
531 switch (event
->keyval
) {
532 case GDK_F1
: index
= 0; break;
533 case GDK_F2
: index
= 1; break;
534 case GDK_F3
: index
= 2; break;
535 case GDK_F4
: index
= 3; break;
536 case GDK_F5
: index
= 4; break;
537 case GDK_F6
: index
= 5; break;
538 case GDK_F7
: index
= 6; break;
539 case GDK_F8
: index
= 7; break;
540 case GDK_F9
: index
= 8; break;
541 case GDK_F10
: index
= 9; break;
542 case GDK_F11
: index
= 10; break;
543 case GDK_F12
: index
= 11; break;
545 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
546 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
547 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
550 if (cfg
.funky_type
== 5 && /* SCO small keypad */
551 code
>= 1 && code
<= 6) {
552 char codes
[] = "HL.FIG";
557 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
561 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
568 end
= 1 + sprintf(output
+1,
569 "\x1B%c", code
+ 'P' - 11 - offt
);
571 end
= 1 + sprintf(output
+1,
572 "\x1BO%c", code
+ 'P' - 11 - offt
);
575 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
576 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
579 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
581 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
583 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
586 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
587 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
591 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
597 * Cursor keys. (This includes the numberpad cursor keys,
598 * if we haven't already done them due to app keypad mode.)
600 * Here we also process un-numlocked un-appkeypadded KP5,
601 * which sends ESC [ G.
605 switch (event
->keyval
) {
606 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
607 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
608 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
609 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
610 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
614 * The arrow keys normally do ESC [ A and so on. In
615 * app cursor keys mode they do ESC O A instead.
616 * Ctrl toggles the two modes.
619 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
620 } else if (!app_cursor_keys
^
621 !(event
->state
& GDK_CONTROL_MASK
)) {
622 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
624 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
635 printf("generating sequence:");
636 for (i
= start
; i
< end
; i
++)
637 printf(" %02x", (unsigned char) output
[i
]);
641 ldisc_send(output
+start
, end
-start
, 1);
648 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
650 struct gui_data
*inst
= (struct gui_data
*)data
;
651 int shift
, ctrl
, alt
, x
, y
, button
, act
;
653 shift
= event
->state
& GDK_SHIFT_MASK
;
654 ctrl
= event
->state
& GDK_CONTROL_MASK
;
655 alt
= event
->state
& GDK_MOD1_MASK
;
656 if (event
->button
== 1)
658 else if (event
->button
== 2)
660 else if (event
->button
== 3)
663 return FALSE
; /* don't even know what button! */
665 switch (event
->type
) {
666 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
667 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
668 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
669 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
670 default: return FALSE
; /* don't know this event type */
673 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
674 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
675 return TRUE
; /* we ignore these in raw mouse mode */
677 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
678 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
680 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
685 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
687 struct gui_data
*inst
= (struct gui_data
*)data
;
688 int shift
, ctrl
, alt
, x
, y
, button
;
690 shift
= event
->state
& GDK_SHIFT_MASK
;
691 ctrl
= event
->state
& GDK_CONTROL_MASK
;
692 alt
= event
->state
& GDK_MOD1_MASK
;
693 if (event
->state
& GDK_BUTTON1_MASK
)
695 else if (event
->state
& GDK_BUTTON2_MASK
)
697 else if (event
->state
& GDK_BUTTON3_MASK
)
700 return FALSE
; /* don't even know what button! */
702 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
703 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
705 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
710 gint
timer_func(gpointer data
)
712 /* struct gui_data *inst = (struct gui_data *)data; */
718 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
720 /* struct gui_data *inst = (struct gui_data *)data; */
724 ret
= read(sourcefd
, buf
, sizeof(buf
));
727 * Clean termination condition is that either ret == 0, or ret
728 * < 0 and errno == EIO. Not sure why the latter, but it seems
731 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
736 perror("read pty master");
740 from_backend(0, buf
, ret
);
744 void destroy(GtkWidget
*widget
, gpointer data
)
749 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
751 has_focus
= event
->in
;
758 * set or clear the "raw mouse message" mode
760 void set_raw_mouse_mode(int activate
)
762 activate
= activate
&& !cfg
.no_mouse_rep
;
763 send_raw_mouse
= activate
;
765 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
767 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
770 void request_resize(int w
, int h
)
772 /* FIXME: currently ignored */
775 void palette_set(int n
, int r
, int g
, int b
)
777 /* FIXME: currently ignored */
779 void palette_reset(void)
781 /* FIXME: currently ignored */
784 void write_clip(wchar_t * data
, int len
, int must_deselect
)
786 if (inst
->pasteout_data
)
787 sfree(inst
->pasteout_data
);
788 inst
->pasteout_data
= smalloc(len
);
789 inst
->pasteout_data_len
= len
;
790 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
793 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
795 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
796 GDK_SELECTION_TYPE_STRING
, 1);
797 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
798 inst
->compound_text_atom
, 1);
802 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
803 guint info
, guint time_stamp
, gpointer data
)
805 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
806 inst
->pasteout_data
, inst
->pasteout_data_len
);
809 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
813 if (inst
->pasteout_data
)
814 sfree(inst
->pasteout_data
);
815 inst
->pasteout_data
= NULL
;
816 inst
->pasteout_data_len
= 0;
820 void request_paste(void)
823 * In Unix, pasting is asynchronous: all we can do at the
824 * moment is to call gtk_selection_convert(), and when the data
825 * comes back _then_ we can call term_do_paste().
827 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
828 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
831 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
834 if (seldata
->length
<= 0 ||
835 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
836 return; /* Nothing happens. */
838 if (inst
->pastein_data
)
839 sfree(inst
->pastein_data
);
841 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
842 inst
->pastein_data_len
= seldata
->length
;
843 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
844 inst
->pastein_data
, inst
->pastein_data_len
);
849 void get_clip(wchar_t ** p
, int *len
)
852 *p
= inst
->pastein_data
;
853 *len
= inst
->pastein_data_len
;
857 void set_title(char *title
)
859 strncpy(inst
->wintitle
, title
, lenof(inst
->wintitle
));
860 inst
->wintitle
[lenof(inst
->wintitle
)-1] = '\0';
861 gtk_window_set_title(GTK_WINDOW(inst
->window
), inst
->wintitle
);
864 void set_icon(char *title
)
866 /* FIXME: currently ignored */
869 void set_sbar(int total
, int start
, int page
)
871 inst
->sbar_adjust
->lower
= 0;
872 inst
->sbar_adjust
->upper
= total
;
873 inst
->sbar_adjust
->value
= start
;
874 inst
->sbar_adjust
->page_size
= page
;
875 inst
->sbar_adjust
->step_increment
= 1;
876 inst
->sbar_adjust
->page_increment
= page
/2;
877 inst
->ignore_sbar
= TRUE
;
878 gtk_adjustment_changed(inst
->sbar_adjust
);
879 inst
->ignore_sbar
= FALSE
;
882 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
884 if (!inst
->ignore_sbar
)
885 term_scroll(1, (int)adj
->value
);
888 void sys_cursor(int x
, int y
)
891 * This is meaningless under X.
900 int CharWidth(Context ctx
, int uc
)
903 * Under X, any fixed-width font really _is_ fixed-width.
904 * Double-width characters will be dealt with using a separate
905 * font. For the moment we can simply return 1.
910 Context
get_ctx(void)
913 if (!inst
->area
->window
)
915 gc
= gdk_gc_new(inst
->area
->window
);
919 void free_ctx(Context ctx
)
921 GdkGC
*gc
= (GdkGC
*)ctx
;
926 * Draw a line of text in the window, at given character
927 * coordinates, in given attributes.
929 * We are allowed to fiddle with the contents of `text'.
931 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
932 unsigned long attr
, int lattr
)
935 GdkGC
*gc
= (GdkGC
*)ctx
;
939 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
940 * - LATTR_* (ESC # 4 double-width and double-height stuff)
941 * - cursor shapes other than block
942 * - VT100 line drawing stuff; code pages in general!
946 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
947 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
948 if (attr
& ATTR_REVERSE
) {
953 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
955 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
957 if (attr
& TATTR_ACTCURS
) {
962 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
963 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
964 x
*inst
->font_width
+cfg
.window_border
,
965 y
*inst
->font_height
+cfg
.window_border
,
966 len
*inst
->font_width
, inst
->font_height
);
968 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
969 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
970 x
*inst
->font_width
+cfg
.window_border
,
971 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
974 if (attr
& ATTR_UNDER
) {
975 int uheight
= inst
->fonts
[0]->ascent
+ 1;
976 if (uheight
>= inst
->font_height
)
977 uheight
= inst
->font_height
- 1;
978 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
979 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
980 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
981 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
984 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
985 x
*inst
->font_width
+cfg
.window_border
,
986 y
*inst
->font_height
+cfg
.window_border
,
987 x
*inst
->font_width
+cfg
.window_border
,
988 y
*inst
->font_height
+cfg
.window_border
,
989 len
*inst
->font_width
, inst
->font_height
);
992 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
993 unsigned long attr
, int lattr
)
996 GdkGC
*gc
= (GdkGC
*)ctx
;
999 * NYI: cursor shapes other than block
1001 if (attr
& TATTR_PASCURS
) {
1002 attr
&= ~TATTR_PASCURS
;
1006 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1008 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1009 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1010 x
*inst
->font_width
+cfg
.window_border
,
1011 y
*inst
->font_height
+cfg
.window_border
,
1012 len
*inst
->font_width
-1, inst
->font_height
-1);
1013 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1014 x
*inst
->font_width
+cfg
.window_border
,
1015 y
*inst
->font_height
+cfg
.window_border
,
1016 x
*inst
->font_width
+cfg
.window_border
,
1017 y
*inst
->font_height
+cfg
.window_border
,
1018 len
*inst
->font_width
, inst
->font_height
);
1022 GdkCursor
*make_mouse_ptr(int cursor_val
)
1025 * Truly hideous hack: GTK doesn't allow us to set the mouse
1026 * cursor foreground and background colours unless we've _also_
1027 * created our own cursor from bitmaps. Therefore, I need to
1028 * load the `cursor' font and draw glyphs from it on to
1029 * pixmaps, in order to construct my cursors with the fg and bg
1030 * I want. This is a gross hack, but it's more self-contained
1031 * than linking in Xlib to find the X window handle to
1032 * inst->area and calling XRecolorCursor, and it's more
1033 * futureproof than hard-coding the shapes as bitmap arrays.
1035 static GdkFont
*cursor_font
= NULL
;
1036 GdkPixmap
*source
, *mask
;
1038 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1039 GdkColor cbg
= { 0, 0, 0, 0 };
1040 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1041 GdkColor dbg
= { 0, 0, 0, 0 };
1044 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1046 if (cursor_val
< 0) {
1047 gdk_font_unref(cursor_font
);
1052 cursor_font
= gdk_font_load("cursor");
1055 * Get the text extent of the cursor in question. We use the
1056 * mask character for this, because it's typically slightly
1057 * bigger than the main character.
1060 text
[0] = (char)cursor_val
+ 1;
1061 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1062 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1064 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1065 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1068 * Draw the mask character on the mask pixmap.
1071 text
[0] = (char)cursor_val
+ 1;
1072 gc
= gdk_gc_new(mask
);
1073 gdk_gc_set_foreground(gc
, &dbg
);
1074 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1075 gdk_gc_set_foreground(gc
, &dfg
);
1076 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1080 * Draw the main character on the source pixmap.
1083 text
[0] = (char)cursor_val
;
1084 gc
= gdk_gc_new(source
);
1085 gdk_gc_set_foreground(gc
, &dbg
);
1086 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1087 gdk_gc_set_foreground(gc
, &dfg
);
1088 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1092 * Create the cursor.
1094 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1099 gdk_pixmap_unref(source
);
1100 gdk_pixmap_unref(mask
);
1105 void modalfatalbox(char *p
, ...)
1108 fprintf(stderr
, "FATAL ERROR: ");
1110 vfprintf(stderr
, p
, ap
);
1112 fputc('\n', stderr
);
1116 int main(int argc
, char **argv
)
1118 extern int pty_master_fd
; /* declared in pty.c */
1119 extern char **pty_argv
; /* declared in pty.c */
1122 gtk_init(&argc
, &argv
);
1124 do_defaults(NULL
, &cfg
);
1126 while (--argc
> 0) {
1128 if (!strcmp(p
, "-fn")) {
1130 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1131 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1133 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1135 if (!strcmp(p
, "-e")) {
1138 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1140 for (i
= 0; i
< argc
; i
++)
1141 pty_argv
[i
] = argv
[i
];
1142 pty_argv
[argc
] = NULL
;
1143 break; /* finished command-line processing */
1145 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1147 if (!strcmp(p
, "-T")) {
1149 strncpy(cfg
.wintitle
, *++argv
, sizeof(cfg
.wintitle
));
1150 cfg
.wintitle
[sizeof(cfg
.wintitle
)-1] = '\0';
1152 err
= 1, fprintf(stderr
, "pterm: -T expects an argument\n");
1156 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1157 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1158 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1159 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1161 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1165 back
= &pty_backend
;
1166 back
->init(NULL
, 0, NULL
, 0);
1168 inst
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1170 if (cfg
.wintitle
[0])
1171 set_title(cfg
.wintitle
);
1175 inst
->area
= gtk_drawing_area_new();
1176 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1177 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1178 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1179 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1180 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1181 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1182 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1183 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1185 gtk_container_add(GTK_CONTAINER(inst
->window
), GTK_WIDGET(inst
->hbox
));
1189 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1190 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1191 geom
.max_width
= geom
.max_height
= -1;
1192 geom
.base_width
= 2*cfg
.window_border
;
1193 geom
.base_height
= 2*cfg
.window_border
;
1194 geom
.width_inc
= inst
->font_width
;
1195 geom
.height_inc
= inst
->font_height
;
1196 geom
.min_aspect
= geom
.max_aspect
= 0;
1197 gtk_window_set_geometry_hints(GTK_WINDOW(inst
->window
), inst
->area
, &geom
,
1198 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1199 GDK_HINT_RESIZE_INC
);
1202 gtk_signal_connect(GTK_OBJECT(inst
->window
), "destroy",
1203 GTK_SIGNAL_FUNC(destroy
), inst
);
1204 gtk_signal_connect(GTK_OBJECT(inst
->window
), "delete_event",
1205 GTK_SIGNAL_FUNC(delete_window
), inst
);
1206 gtk_signal_connect(GTK_OBJECT(inst
->window
), "key_press_event",
1207 GTK_SIGNAL_FUNC(key_event
), inst
);
1208 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_in_event",
1209 GTK_SIGNAL_FUNC(focus_event
), inst
);
1210 gtk_signal_connect(GTK_OBJECT(inst
->window
), "focus_out_event",
1211 GTK_SIGNAL_FUNC(focus_event
), inst
);
1212 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1213 GTK_SIGNAL_FUNC(configure_area
), inst
);
1214 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1215 GTK_SIGNAL_FUNC(expose_area
), inst
);
1216 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1217 GTK_SIGNAL_FUNC(button_event
), inst
);
1218 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1219 GTK_SIGNAL_FUNC(button_event
), inst
);
1220 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1221 GTK_SIGNAL_FUNC(motion_event
), inst
);
1222 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1223 GTK_SIGNAL_FUNC(selection_received
), inst
);
1224 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1225 GTK_SIGNAL_FUNC(selection_get
), inst
);
1226 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1227 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1228 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1229 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1230 gtk_timeout_add(20, timer_func
, inst
);
1231 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1232 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1233 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1234 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1235 GDK_BUTTON_MOTION_MASK
);
1237 gtk_widget_show(inst
->area
);
1238 gtk_widget_show(inst
->sbar
);
1239 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1240 gtk_widget_show(inst
->window
);
1242 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1243 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1244 make_mouse_ptr(-1); /* clean up cursor font */
1245 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
1248 term_size(24, 80, 2000);