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
*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
;
42 static struct gui_data the_inst
;
43 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
44 static int send_raw_mouse
;
46 void ldisc_update(int echo
, int edit
)
49 * This is a stub in pterm. If I ever produce a Unix
50 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
51 * then it will require some termios manoeuvring analogous to
52 * that in the Windows plink.c, but here it's meaningless.
56 int askappend(char *filename
)
59 * FIXME: for the moment we just wipe the log file. Since I
60 * haven't yet enabled logging, this shouldn't matter yet!
65 void logevent(char *string
)
68 * FIXME: event log entries are currently ignored.
73 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
74 * into a cooked one (SELECT, EXTEND, PASTE).
76 * In Unix, this is not configurable; the X button arrangement is
77 * rock-solid across all applications, everyone has a three-button
78 * mouse or a means of faking it, and there is no need to switch
79 * buttons around at all.
81 Mouse_Button
translate_button(Mouse_Button button
)
83 if (button
== MBT_LEFT
)
85 if (button
== MBT_MIDDLE
)
87 if (button
== MBT_RIGHT
)
89 return 0; /* shouldn't happen */
93 * Minimise or restore the window in response to a server-side
96 void set_iconic(int iconic
)
98 /* FIXME: currently ignored */
102 * Move the window in response to a server-side request.
104 void move_window(int x
, int y
)
106 /* FIXME: currently ignored */
110 * Move the window to the top or bottom of the z-order in response
111 * to a server-side request.
113 void set_zorder(int top
)
115 /* FIXME: currently ignored */
119 * Refresh the window in response to a server-side request.
121 void refresh_window(void)
123 /* FIXME: currently ignored */
127 * Maximise or restore the window in response to a server-side
130 void set_zoomed(int zoomed
)
132 /* FIXME: currently ignored */
136 * Report whether the window is iconic, for terminal reports.
140 return 0; /* FIXME */
144 * Report the window's position, for terminal reports.
146 void get_window_pos(int *x
, int *y
)
148 *x
= 3; *y
= 4; /* FIXME */
152 * Report the window's pixel size, for terminal reports.
154 void get_window_pixels(int *x
, int *y
)
156 *x
= 1; *y
= 2; /* FIXME */
160 * Return the window or icon title.
162 char *get_window_title(int icon
)
164 return "FIXME: window title retrieval not yet implemented";
167 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
170 * FIXME: warn on close?
175 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
177 struct gui_data
*inst
= (struct gui_data
*)data
;
180 gdk_pixmap_unref(inst
->pixmap
);
182 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
183 (cfg
.width
* inst
->font_width
+
184 2*cfg
.window_border
),
185 (cfg
.height
* inst
->font_height
+
186 2*cfg
.window_border
), -1);
190 gc
= gdk_gc_new(inst
->area
->window
);
191 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
192 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
193 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
194 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
199 * Set up the colour map.
201 inst
->colmap
= gdk_colormap_get_system();
203 static const int ww
[] = {
204 6, 7, 8, 9, 10, 11, 12, 13,
205 14, 15, 16, 17, 18, 19, 20, 21,
208 gboolean success
[NCOLOURS
];
211 assert(lenof(ww
) == NCOLOURS
);
213 for (i
= 0; i
< NCOLOURS
; i
++) {
214 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
215 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
216 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
219 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
220 FALSE
, FALSE
, success
);
221 for (i
= 0; i
< NCOLOURS
; i
++) {
223 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
224 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
231 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
233 /* struct gui_data *inst = (struct gui_data *)data; */
236 * Pass the exposed rectangle to terminal.c, which will call us
237 * back to do the actual painting.
240 gdk_draw_pixmap(widget
->window
,
241 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
243 event
->area
.x
, event
->area
.y
,
244 event
->area
.x
, event
->area
.y
,
245 event
->area
.width
, event
->area
.height
);
250 #define KEY_PRESSED(k) \
251 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
253 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
255 /* struct gui_data *inst = (struct gui_data *)data; */
259 if (event
->type
== GDK_KEY_PRESS
) {
263 printf("keypress: keyval = %04x, state = %08x; string =",
264 event
->keyval
, event
->state
);
265 for (i
= 0; event
->string
[i
]; i
++)
266 printf(" %02x", (unsigned char) event
->string
[i
]);
273 * - Shift-PgUp/PgDn for scrollbar
276 * - Compose key (!!! requires Unicode faff before even trying)
277 * - Shift-Ins for paste (need to deal with pasting first)
281 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
284 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
285 term_scroll(0, -cfg
.height
/2);
288 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
289 term_scroll(0, +cfg
.height
/2);
293 /* ALT+things gives leading Escape. */
295 strncpy(output
+1, event
->string
, 31);
297 end
= strlen(output
);
298 if (event
->state
& GDK_MOD1_MASK
)
303 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
304 if (!event
->string
[0] && event
->keyval
== '`' &&
305 (event
->state
& GDK_CONTROL_MASK
)) {
310 /* Control-Break is the same as Control-C */
311 if (event
->keyval
== GDK_Break
&&
312 (event
->state
& GDK_CONTROL_MASK
)) {
317 /* Control-2, Control-Space and Control-@ are NUL */
318 if (!event
->string
[0] &&
319 (event
->keyval
== ' ' || event
->keyval
== '2' ||
320 event
->keyval
== '@') &&
321 (event
->state
& (GDK_SHIFT_MASK
|
322 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
327 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
328 if (!event
->string
[0] && event
->keyval
== ' ' &&
329 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
330 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
335 /* We don't let GTK tell us what Backspace is! We know better. */
336 if (event
->keyval
== GDK_BackSpace
&&
337 !(event
->state
& GDK_SHIFT_MASK
)) {
338 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
342 /* Shift-Tab is ESC [ Z */
343 if (event
->keyval
== GDK_ISO_Left_Tab
||
344 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
345 end
= 1 + sprintf(output
+1, "\033[Z");
349 * Application keypad mode.
351 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
353 switch (event
->keyval
) {
354 case GDK_Num_Lock
: xkey
= 'P'; break;
355 case GDK_KP_Divide
: xkey
= 'Q'; break;
356 case GDK_KP_Multiply
: xkey
= 'R'; break;
357 case GDK_KP_Subtract
: xkey
= 'S'; break;
359 * Keypad + is tricky. It covers a space that would
360 * be taken up on the VT100 by _two_ keys; so we
361 * let Shift select between the two. Worse still,
362 * in xterm function key mode we change which two...
365 if (cfg
.funky_type
== 2) {
366 if (event
->state
& GDK_SHIFT_MASK
)
370 } else if (event
->state
& GDK_SHIFT_MASK
)
375 case GDK_KP_Enter
: xkey
= 'M'; break;
376 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
377 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
378 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
379 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
380 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
381 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
382 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
383 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
384 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
385 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
386 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
390 if (xkey
>= 'P' && xkey
<= 'S')
391 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
393 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
395 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
401 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
402 * for integer decimal nn.)
404 * We also deal with the weird ones here. Linux VCs replace F1
405 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
406 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
411 switch (event
->keyval
) {
413 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
416 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
419 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
422 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
425 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
428 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
431 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
434 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
437 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
440 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
473 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
474 case GDK_Home
: case GDK_KP_Home
:
477 case GDK_Insert
: case GDK_KP_Insert
:
480 case GDK_Delete
: case GDK_KP_Delete
:
483 case GDK_End
: case GDK_KP_End
:
486 case GDK_Page_Up
: case GDK_KP_Page_Up
:
489 case GDK_Page_Down
: case GDK_KP_Page_Down
:
493 /* Reorder edit keys to physical order */
494 if (cfg
.funky_type
== 3 && code
<= 6)
495 code
= "\0\2\1\4\5\3\6"[code
];
497 if (vt52_mode
&& code
> 0 && code
<= 6) {
498 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
502 if (cfg
.funky_type
== 5 && /* SCO function keys */
503 code
>= 11 && code
<= 34) {
504 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
506 switch (event
->keyval
) {
507 case GDK_F1
: index
= 0; break;
508 case GDK_F2
: index
= 1; break;
509 case GDK_F3
: index
= 2; break;
510 case GDK_F4
: index
= 3; break;
511 case GDK_F5
: index
= 4; break;
512 case GDK_F6
: index
= 5; break;
513 case GDK_F7
: index
= 6; break;
514 case GDK_F8
: index
= 7; break;
515 case GDK_F9
: index
= 8; break;
516 case GDK_F10
: index
= 9; break;
517 case GDK_F11
: index
= 10; break;
518 case GDK_F12
: index
= 11; break;
520 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
521 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
522 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
525 if (cfg
.funky_type
== 5 && /* SCO small keypad */
526 code
>= 1 && code
<= 6) {
527 char codes
[] = "HL.FIG";
532 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
536 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
543 end
= 1 + sprintf(output
+1,
544 "\x1B%c", code
+ 'P' - 11 - offt
);
546 end
= 1 + sprintf(output
+1,
547 "\x1BO%c", code
+ 'P' - 11 - offt
);
550 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
551 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
554 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
556 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
558 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
561 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
562 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
566 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
572 * Cursor keys. (This includes the numberpad cursor keys,
573 * if we haven't already done them due to app keypad mode.)
575 * Here we also process un-numlocked un-appkeypadded KP5,
576 * which sends ESC [ G.
580 switch (event
->keyval
) {
581 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
582 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
583 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
584 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
585 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
589 * The arrow keys normally do ESC [ A and so on. In
590 * app cursor keys mode they do ESC O A instead.
591 * Ctrl toggles the two modes.
594 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
595 } else if (!app_cursor_keys
^
596 !(event
->state
& GDK_CONTROL_MASK
)) {
597 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
599 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
610 printf("generating sequence:");
611 for (i
= start
; i
< end
; i
++)
612 printf(" %02x", (unsigned char) output
[i
]);
616 ldisc_send(output
+start
, end
-start
, 1);
623 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
625 struct gui_data
*inst
= (struct gui_data
*)data
;
626 int shift
, ctrl
, alt
, x
, y
, button
, act
;
628 shift
= event
->state
& GDK_SHIFT_MASK
;
629 ctrl
= event
->state
& GDK_CONTROL_MASK
;
630 alt
= event
->state
& GDK_MOD1_MASK
;
631 if (event
->button
== 1)
633 else if (event
->button
== 2)
635 else if (event
->button
== 3)
638 return FALSE
; /* don't even know what button! */
640 switch (event
->type
) {
641 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
642 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
643 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
644 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
645 default: return FALSE
; /* don't know this event type */
648 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
649 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
650 return TRUE
; /* we ignore these in raw mouse mode */
652 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
653 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
655 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
660 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
662 struct gui_data
*inst
= (struct gui_data
*)data
;
663 int shift
, ctrl
, alt
, x
, y
, button
;
665 shift
= event
->state
& GDK_SHIFT_MASK
;
666 ctrl
= event
->state
& GDK_CONTROL_MASK
;
667 alt
= event
->state
& GDK_MOD1_MASK
;
668 if (event
->state
& GDK_BUTTON1_MASK
)
670 else if (event
->state
& GDK_BUTTON2_MASK
)
672 else if (event
->state
& GDK_BUTTON3_MASK
)
675 return FALSE
; /* don't even know what button! */
677 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
678 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
680 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
685 gint
timer_func(gpointer data
)
687 /* struct gui_data *inst = (struct gui_data *)data; */
693 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
695 /* struct gui_data *inst = (struct gui_data *)data; */
699 ret
= read(sourcefd
, buf
, sizeof(buf
));
702 * Clean termination condition is that either ret == 0, or ret
703 * < 0 and errno == EIO. Not sure why the latter, but it seems
706 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
711 perror("read pty master");
715 from_backend(0, buf
, ret
);
719 void destroy(GtkWidget
*widget
, gpointer data
)
724 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
726 has_focus
= event
->in
;
733 * set or clear the "raw mouse message" mode
735 void set_raw_mouse_mode(int activate
)
737 activate
= activate
&& !cfg
.no_mouse_rep
;
738 send_raw_mouse
= activate
;
740 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
742 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
745 void request_resize(int w
, int h
)
747 /* FIXME: currently ignored */
750 void palette_set(int n
, int r
, int g
, int b
)
752 /* FIXME: currently ignored */
754 void palette_reset(void)
756 /* FIXME: currently ignored */
759 void write_clip(wchar_t * data
, int len
, int must_deselect
)
761 if (inst
->pasteout_data
)
762 sfree(inst
->pasteout_data
);
763 inst
->pasteout_data
= smalloc(len
);
764 inst
->pasteout_data_len
= len
;
765 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
768 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
770 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
771 GDK_SELECTION_TYPE_STRING
, 1);
775 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
776 guint info
, guint time_stamp
, gpointer data
)
778 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
779 inst
->pasteout_data
, inst
->pasteout_data_len
);
782 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
786 if (inst
->pasteout_data
)
787 sfree(inst
->pasteout_data
);
788 inst
->pasteout_data
= NULL
;
789 inst
->pasteout_data_len
= 0;
793 void request_paste(void)
796 * In Unix, pasting is asynchronous: all we can do at the
797 * moment is to call gtk_selection_convert(), and when the data
798 * comes back _then_ we can call term_do_paste().
800 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
801 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
804 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
807 if (seldata
->length
<= 0 ||
808 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
809 return; /* Nothing happens. */
811 if (inst
->pastein_data
)
812 sfree(inst
->pastein_data
);
814 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
815 inst
->pastein_data_len
= seldata
->length
;
816 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
817 inst
->pastein_data
, inst
->pastein_data_len
);
822 void get_clip(wchar_t ** p
, int *len
)
825 *p
= inst
->pastein_data
;
826 *len
= inst
->pastein_data_len
;
830 void set_title(char *title
)
832 /* FIXME: currently ignored */
835 void set_icon(char *title
)
837 /* FIXME: currently ignored */
840 void set_sbar(int total
, int start
, int page
)
842 inst
->sbar_adjust
->lower
= 0;
843 inst
->sbar_adjust
->upper
= total
;
844 inst
->sbar_adjust
->value
= start
;
845 inst
->sbar_adjust
->page_size
= page
;
846 inst
->sbar_adjust
->step_increment
= 1;
847 inst
->sbar_adjust
->page_increment
= page
/2;
848 gtk_adjustment_changed(inst
->sbar_adjust
);
851 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
853 term_scroll(1, (int)adj
->value
);
856 void sys_cursor(int x
, int y
)
859 * This is meaningless under X.
868 int CharWidth(Context ctx
, int uc
)
871 * Under X, any fixed-width font really _is_ fixed-width.
872 * Double-width characters will be dealt with using a separate
873 * font. For the moment we can simply return 1.
878 Context
get_ctx(void)
881 if (!inst
->area
->window
)
883 gc
= gdk_gc_new(inst
->area
->window
);
887 void free_ctx(Context ctx
)
889 GdkGC
*gc
= (GdkGC
*)ctx
;
894 * Draw a line of text in the window, at given character
895 * coordinates, in given attributes.
897 * We are allowed to fiddle with the contents of `text'.
899 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
900 unsigned long attr
, int lattr
)
903 GdkGC
*gc
= (GdkGC
*)ctx
;
907 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
908 * - LATTR_* (ESC # 4 double-width and double-height stuff)
909 * - cursor shapes other than block
910 * - VT100 line drawing stuff; code pages in general!
915 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
916 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
917 if (attr
& ATTR_REVERSE
) {
922 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
924 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
926 if (attr
& TATTR_ACTCURS
) {
931 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
932 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
933 x
*inst
->font_width
+cfg
.window_border
,
934 y
*inst
->font_height
+cfg
.window_border
,
935 len
*inst
->font_width
, inst
->font_height
);
937 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
938 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
939 x
*inst
->font_width
+cfg
.window_border
,
940 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
943 if (attr
& ATTR_UNDER
) {
944 int uheight
= inst
->fonts
[0]->ascent
+ 1;
945 if (uheight
>= inst
->font_height
)
946 uheight
= inst
->font_height
- 1;
947 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
948 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
949 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
950 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
953 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
954 x
*inst
->font_width
+cfg
.window_border
,
955 y
*inst
->font_height
+cfg
.window_border
,
956 x
*inst
->font_width
+cfg
.window_border
,
957 y
*inst
->font_height
+cfg
.window_border
,
958 len
*inst
->font_width
, inst
->font_height
);
961 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
962 unsigned long attr
, int lattr
)
965 GdkGC
*gc
= (GdkGC
*)ctx
;
968 * NYI: cursor shapes other than block
970 if (attr
& TATTR_PASCURS
) {
971 attr
&= ~TATTR_PASCURS
;
975 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
977 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
978 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
979 x
*inst
->font_width
+cfg
.window_border
,
980 y
*inst
->font_height
+cfg
.window_border
,
981 len
*inst
->font_width
-1, inst
->font_height
-1);
982 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
983 x
*inst
->font_width
+cfg
.window_border
,
984 y
*inst
->font_height
+cfg
.window_border
,
985 x
*inst
->font_width
+cfg
.window_border
,
986 y
*inst
->font_height
+cfg
.window_border
,
987 len
*inst
->font_width
, inst
->font_height
);
991 void modalfatalbox(char *p
, ...)
994 fprintf(stderr
, "FATAL ERROR: ");
996 vfprintf(stderr
, p
, ap
);
1002 int main(int argc
, char **argv
)
1005 extern int pty_master_fd
; /* declared in pty.c */
1007 gtk_init(&argc
, &argv
);
1009 do_defaults(NULL
, &cfg
);
1011 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1012 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1013 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1014 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1018 back
= &pty_backend
;
1019 back
->init(NULL
, 0, NULL
, 0);
1021 window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1022 inst
->area
= gtk_drawing_area_new();
1023 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1024 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1025 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1026 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1027 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1028 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1029 gtk_box_pack_start(inst
->hbox
, inst
->area
, FALSE
, FALSE
, 0);
1030 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1032 gtk_container_add(GTK_CONTAINER(window
), GTK_WIDGET(inst
->hbox
));
1036 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1037 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1038 geom
.max_width
= geom
.max_height
= -1;
1039 geom
.base_width
= 2*cfg
.window_border
;
1040 geom
.base_height
= 2*cfg
.window_border
;
1041 geom
.width_inc
= inst
->font_width
;
1042 geom
.height_inc
= inst
->font_height
;
1043 geom
.min_aspect
= geom
.max_aspect
= 0;
1044 gtk_window_set_geometry_hints(GTK_WINDOW(window
), inst
->area
, &geom
,
1045 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1046 GDK_HINT_RESIZE_INC
);
1049 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
1050 GTK_SIGNAL_FUNC(destroy
), inst
);
1051 gtk_signal_connect(GTK_OBJECT(window
), "delete_event",
1052 GTK_SIGNAL_FUNC(delete_window
), inst
);
1053 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
1054 GTK_SIGNAL_FUNC(key_event
), inst
);
1055 gtk_signal_connect(GTK_OBJECT(window
), "focus_in_event",
1056 GTK_SIGNAL_FUNC(focus_event
), inst
);
1057 gtk_signal_connect(GTK_OBJECT(window
), "focus_out_event",
1058 GTK_SIGNAL_FUNC(focus_event
), inst
);
1059 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1060 GTK_SIGNAL_FUNC(configure_area
), inst
);
1061 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1062 GTK_SIGNAL_FUNC(expose_area
), inst
);
1063 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1064 GTK_SIGNAL_FUNC(button_event
), inst
);
1065 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1066 GTK_SIGNAL_FUNC(button_event
), inst
);
1067 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1068 GTK_SIGNAL_FUNC(motion_event
), inst
);
1069 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1070 GTK_SIGNAL_FUNC(selection_received
), inst
);
1071 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1072 GTK_SIGNAL_FUNC(selection_get
), inst
);
1073 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1074 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1075 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1076 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1077 gtk_timeout_add(20, timer_func
, inst
);
1078 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1079 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1080 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1081 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1082 GDK_BUTTON_MOTION_MASK
);
1084 gtk_widget_show(inst
->area
);
1085 gtk_widget_show(inst
->sbar
);
1086 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1087 gtk_widget_show(window
);
1089 inst
->textcursor
= gdk_cursor_new(GDK_XTERM
);
1090 inst
->rawcursor
= gdk_cursor_new(GDK_ARROW
);
1091 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
1094 term_size(24, 80, 2000);