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)
280 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
283 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
284 term_scroll(0, -cfg
.height
/2);
287 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
288 term_scroll(0, +cfg
.height
/2);
293 * Neither does Shift-Ins.
295 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
300 /* ALT+things gives leading Escape. */
302 strncpy(output
+1, event
->string
, 31);
304 end
= strlen(output
);
305 if (event
->state
& GDK_MOD1_MASK
)
310 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
311 if (!event
->string
[0] && event
->keyval
== '`' &&
312 (event
->state
& GDK_CONTROL_MASK
)) {
317 /* Control-Break is the same as Control-C */
318 if (event
->keyval
== GDK_Break
&&
319 (event
->state
& GDK_CONTROL_MASK
)) {
324 /* Control-2, Control-Space and Control-@ are NUL */
325 if (!event
->string
[0] &&
326 (event
->keyval
== ' ' || event
->keyval
== '2' ||
327 event
->keyval
== '@') &&
328 (event
->state
& (GDK_SHIFT_MASK
|
329 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
334 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
335 if (!event
->string
[0] && event
->keyval
== ' ' &&
336 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
337 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
342 /* We don't let GTK tell us what Backspace is! We know better. */
343 if (event
->keyval
== GDK_BackSpace
&&
344 !(event
->state
& GDK_SHIFT_MASK
)) {
345 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
349 /* Shift-Tab is ESC [ Z */
350 if (event
->keyval
== GDK_ISO_Left_Tab
||
351 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
352 end
= 1 + sprintf(output
+1, "\033[Z");
356 * Application keypad mode.
358 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
360 switch (event
->keyval
) {
361 case GDK_Num_Lock
: xkey
= 'P'; break;
362 case GDK_KP_Divide
: xkey
= 'Q'; break;
363 case GDK_KP_Multiply
: xkey
= 'R'; break;
364 case GDK_KP_Subtract
: xkey
= 'S'; break;
366 * Keypad + is tricky. It covers a space that would
367 * be taken up on the VT100 by _two_ keys; so we
368 * let Shift select between the two. Worse still,
369 * in xterm function key mode we change which two...
372 if (cfg
.funky_type
== 2) {
373 if (event
->state
& GDK_SHIFT_MASK
)
377 } else if (event
->state
& GDK_SHIFT_MASK
)
382 case GDK_KP_Enter
: xkey
= 'M'; break;
383 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
384 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
385 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
386 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
387 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
388 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
389 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
390 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
391 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
392 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
393 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
397 if (xkey
>= 'P' && xkey
<= 'S')
398 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
400 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
402 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
408 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
409 * for integer decimal nn.)
411 * We also deal with the weird ones here. Linux VCs replace F1
412 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
413 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
418 switch (event
->keyval
) {
420 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
423 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
426 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
429 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
432 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
435 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
438 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
441 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
444 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
447 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
480 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
481 case GDK_Home
: case GDK_KP_Home
:
484 case GDK_Insert
: case GDK_KP_Insert
:
487 case GDK_Delete
: case GDK_KP_Delete
:
490 case GDK_End
: case GDK_KP_End
:
493 case GDK_Page_Up
: case GDK_KP_Page_Up
:
496 case GDK_Page_Down
: case GDK_KP_Page_Down
:
500 /* Reorder edit keys to physical order */
501 if (cfg
.funky_type
== 3 && code
<= 6)
502 code
= "\0\2\1\4\5\3\6"[code
];
504 if (vt52_mode
&& code
> 0 && code
<= 6) {
505 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
509 if (cfg
.funky_type
== 5 && /* SCO function keys */
510 code
>= 11 && code
<= 34) {
511 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
513 switch (event
->keyval
) {
514 case GDK_F1
: index
= 0; break;
515 case GDK_F2
: index
= 1; break;
516 case GDK_F3
: index
= 2; break;
517 case GDK_F4
: index
= 3; break;
518 case GDK_F5
: index
= 4; break;
519 case GDK_F6
: index
= 5; break;
520 case GDK_F7
: index
= 6; break;
521 case GDK_F8
: index
= 7; break;
522 case GDK_F9
: index
= 8; break;
523 case GDK_F10
: index
= 9; break;
524 case GDK_F11
: index
= 10; break;
525 case GDK_F12
: index
= 11; break;
527 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
528 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
529 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
532 if (cfg
.funky_type
== 5 && /* SCO small keypad */
533 code
>= 1 && code
<= 6) {
534 char codes
[] = "HL.FIG";
539 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
543 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
550 end
= 1 + sprintf(output
+1,
551 "\x1B%c", code
+ 'P' - 11 - offt
);
553 end
= 1 + sprintf(output
+1,
554 "\x1BO%c", code
+ 'P' - 11 - offt
);
557 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
558 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
561 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
563 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
565 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
568 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
569 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
573 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
579 * Cursor keys. (This includes the numberpad cursor keys,
580 * if we haven't already done them due to app keypad mode.)
582 * Here we also process un-numlocked un-appkeypadded KP5,
583 * which sends ESC [ G.
587 switch (event
->keyval
) {
588 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
589 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
590 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
591 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
592 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
596 * The arrow keys normally do ESC [ A and so on. In
597 * app cursor keys mode they do ESC O A instead.
598 * Ctrl toggles the two modes.
601 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
602 } else if (!app_cursor_keys
^
603 !(event
->state
& GDK_CONTROL_MASK
)) {
604 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
606 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
617 printf("generating sequence:");
618 for (i
= start
; i
< end
; i
++)
619 printf(" %02x", (unsigned char) output
[i
]);
623 ldisc_send(output
+start
, end
-start
, 1);
630 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
632 struct gui_data
*inst
= (struct gui_data
*)data
;
633 int shift
, ctrl
, alt
, x
, y
, button
, act
;
635 shift
= event
->state
& GDK_SHIFT_MASK
;
636 ctrl
= event
->state
& GDK_CONTROL_MASK
;
637 alt
= event
->state
& GDK_MOD1_MASK
;
638 if (event
->button
== 1)
640 else if (event
->button
== 2)
642 else if (event
->button
== 3)
645 return FALSE
; /* don't even know what button! */
647 switch (event
->type
) {
648 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
649 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
650 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
651 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
652 default: return FALSE
; /* don't know this event type */
655 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
656 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
657 return TRUE
; /* we ignore these in raw mouse mode */
659 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
660 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
662 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
667 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
669 struct gui_data
*inst
= (struct gui_data
*)data
;
670 int shift
, ctrl
, alt
, x
, y
, button
;
672 shift
= event
->state
& GDK_SHIFT_MASK
;
673 ctrl
= event
->state
& GDK_CONTROL_MASK
;
674 alt
= event
->state
& GDK_MOD1_MASK
;
675 if (event
->state
& GDK_BUTTON1_MASK
)
677 else if (event
->state
& GDK_BUTTON2_MASK
)
679 else if (event
->state
& GDK_BUTTON3_MASK
)
682 return FALSE
; /* don't even know what button! */
684 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
685 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
687 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
692 gint
timer_func(gpointer data
)
694 /* struct gui_data *inst = (struct gui_data *)data; */
700 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
702 /* struct gui_data *inst = (struct gui_data *)data; */
706 ret
= read(sourcefd
, buf
, sizeof(buf
));
709 * Clean termination condition is that either ret == 0, or ret
710 * < 0 and errno == EIO. Not sure why the latter, but it seems
713 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
718 perror("read pty master");
722 from_backend(0, buf
, ret
);
726 void destroy(GtkWidget
*widget
, gpointer data
)
731 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
733 has_focus
= event
->in
;
740 * set or clear the "raw mouse message" mode
742 void set_raw_mouse_mode(int activate
)
744 activate
= activate
&& !cfg
.no_mouse_rep
;
745 send_raw_mouse
= activate
;
747 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
749 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
752 void request_resize(int w
, int h
)
754 /* FIXME: currently ignored */
757 void palette_set(int n
, int r
, int g
, int b
)
759 /* FIXME: currently ignored */
761 void palette_reset(void)
763 /* FIXME: currently ignored */
766 void write_clip(wchar_t * data
, int len
, int must_deselect
)
768 if (inst
->pasteout_data
)
769 sfree(inst
->pasteout_data
);
770 inst
->pasteout_data
= smalloc(len
);
771 inst
->pasteout_data_len
= len
;
772 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
775 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
777 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
778 GDK_SELECTION_TYPE_STRING
, 1);
782 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
783 guint info
, guint time_stamp
, gpointer data
)
785 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
786 inst
->pasteout_data
, inst
->pasteout_data_len
);
789 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
793 if (inst
->pasteout_data
)
794 sfree(inst
->pasteout_data
);
795 inst
->pasteout_data
= NULL
;
796 inst
->pasteout_data_len
= 0;
800 void request_paste(void)
803 * In Unix, pasting is asynchronous: all we can do at the
804 * moment is to call gtk_selection_convert(), and when the data
805 * comes back _then_ we can call term_do_paste().
807 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
808 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
811 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
814 if (seldata
->length
<= 0 ||
815 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
816 return; /* Nothing happens. */
818 if (inst
->pastein_data
)
819 sfree(inst
->pastein_data
);
821 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
822 inst
->pastein_data_len
= seldata
->length
;
823 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
824 inst
->pastein_data
, inst
->pastein_data_len
);
829 void get_clip(wchar_t ** p
, int *len
)
832 *p
= inst
->pastein_data
;
833 *len
= inst
->pastein_data_len
;
837 void set_title(char *title
)
839 /* FIXME: currently ignored */
842 void set_icon(char *title
)
844 /* FIXME: currently ignored */
847 void set_sbar(int total
, int start
, int page
)
849 inst
->sbar_adjust
->lower
= 0;
850 inst
->sbar_adjust
->upper
= total
;
851 inst
->sbar_adjust
->value
= start
;
852 inst
->sbar_adjust
->page_size
= page
;
853 inst
->sbar_adjust
->step_increment
= 1;
854 inst
->sbar_adjust
->page_increment
= page
/2;
855 gtk_adjustment_changed(inst
->sbar_adjust
);
858 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
860 term_scroll(1, (int)adj
->value
);
863 void sys_cursor(int x
, int y
)
866 * This is meaningless under X.
875 int CharWidth(Context ctx
, int uc
)
878 * Under X, any fixed-width font really _is_ fixed-width.
879 * Double-width characters will be dealt with using a separate
880 * font. For the moment we can simply return 1.
885 Context
get_ctx(void)
888 if (!inst
->area
->window
)
890 gc
= gdk_gc_new(inst
->area
->window
);
894 void free_ctx(Context ctx
)
896 GdkGC
*gc
= (GdkGC
*)ctx
;
901 * Draw a line of text in the window, at given character
902 * coordinates, in given attributes.
904 * We are allowed to fiddle with the contents of `text'.
906 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
907 unsigned long attr
, int lattr
)
910 GdkGC
*gc
= (GdkGC
*)ctx
;
914 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
915 * - LATTR_* (ESC # 4 double-width and double-height stuff)
916 * - cursor shapes other than block
917 * - VT100 line drawing stuff; code pages in general!
922 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
923 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
924 if (attr
& ATTR_REVERSE
) {
929 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
931 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
933 if (attr
& TATTR_ACTCURS
) {
938 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
939 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
940 x
*inst
->font_width
+cfg
.window_border
,
941 y
*inst
->font_height
+cfg
.window_border
,
942 len
*inst
->font_width
, inst
->font_height
);
944 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
945 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
946 x
*inst
->font_width
+cfg
.window_border
,
947 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
950 if (attr
& ATTR_UNDER
) {
951 int uheight
= inst
->fonts
[0]->ascent
+ 1;
952 if (uheight
>= inst
->font_height
)
953 uheight
= inst
->font_height
- 1;
954 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
955 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
956 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
957 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
960 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
961 x
*inst
->font_width
+cfg
.window_border
,
962 y
*inst
->font_height
+cfg
.window_border
,
963 x
*inst
->font_width
+cfg
.window_border
,
964 y
*inst
->font_height
+cfg
.window_border
,
965 len
*inst
->font_width
, inst
->font_height
);
968 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
969 unsigned long attr
, int lattr
)
972 GdkGC
*gc
= (GdkGC
*)ctx
;
975 * NYI: cursor shapes other than block
977 if (attr
& TATTR_PASCURS
) {
978 attr
&= ~TATTR_PASCURS
;
982 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
984 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
985 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
986 x
*inst
->font_width
+cfg
.window_border
,
987 y
*inst
->font_height
+cfg
.window_border
,
988 len
*inst
->font_width
-1, inst
->font_height
-1);
989 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
990 x
*inst
->font_width
+cfg
.window_border
,
991 y
*inst
->font_height
+cfg
.window_border
,
992 x
*inst
->font_width
+cfg
.window_border
,
993 y
*inst
->font_height
+cfg
.window_border
,
994 len
*inst
->font_width
, inst
->font_height
);
998 void modalfatalbox(char *p
, ...)
1001 fprintf(stderr
, "FATAL ERROR: ");
1003 vfprintf(stderr
, p
, ap
);
1005 fputc('\n', stderr
);
1009 int main(int argc
, char **argv
)
1012 extern int pty_master_fd
; /* declared in pty.c */
1014 gtk_init(&argc
, &argv
);
1016 do_defaults(NULL
, &cfg
);
1018 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1019 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1020 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1021 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1025 back
= &pty_backend
;
1026 back
->init(NULL
, 0, NULL
, 0);
1028 window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1029 inst
->area
= gtk_drawing_area_new();
1030 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1031 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1032 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1033 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1034 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1035 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1036 gtk_box_pack_start(inst
->hbox
, inst
->area
, FALSE
, FALSE
, 0);
1037 gtk_box_pack_start(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1039 gtk_container_add(GTK_CONTAINER(window
), GTK_WIDGET(inst
->hbox
));
1043 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1044 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1045 geom
.max_width
= geom
.max_height
= -1;
1046 geom
.base_width
= 2*cfg
.window_border
;
1047 geom
.base_height
= 2*cfg
.window_border
;
1048 geom
.width_inc
= inst
->font_width
;
1049 geom
.height_inc
= inst
->font_height
;
1050 geom
.min_aspect
= geom
.max_aspect
= 0;
1051 gtk_window_set_geometry_hints(GTK_WINDOW(window
), inst
->area
, &geom
,
1052 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1053 GDK_HINT_RESIZE_INC
);
1056 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
1057 GTK_SIGNAL_FUNC(destroy
), inst
);
1058 gtk_signal_connect(GTK_OBJECT(window
), "delete_event",
1059 GTK_SIGNAL_FUNC(delete_window
), inst
);
1060 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
1061 GTK_SIGNAL_FUNC(key_event
), inst
);
1062 gtk_signal_connect(GTK_OBJECT(window
), "focus_in_event",
1063 GTK_SIGNAL_FUNC(focus_event
), inst
);
1064 gtk_signal_connect(GTK_OBJECT(window
), "focus_out_event",
1065 GTK_SIGNAL_FUNC(focus_event
), inst
);
1066 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1067 GTK_SIGNAL_FUNC(configure_area
), inst
);
1068 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1069 GTK_SIGNAL_FUNC(expose_area
), inst
);
1070 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1071 GTK_SIGNAL_FUNC(button_event
), inst
);
1072 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1073 GTK_SIGNAL_FUNC(button_event
), inst
);
1074 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1075 GTK_SIGNAL_FUNC(motion_event
), inst
);
1076 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1077 GTK_SIGNAL_FUNC(selection_received
), inst
);
1078 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1079 GTK_SIGNAL_FUNC(selection_get
), inst
);
1080 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1081 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1082 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1083 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1084 gtk_timeout_add(20, timer_func
, inst
);
1085 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1086 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1087 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1088 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1089 GDK_BUTTON_MOTION_MASK
);
1091 gtk_widget_show(inst
->area
);
1092 gtk_widget_show(inst
->sbar
);
1093 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1094 gtk_widget_show(window
);
1096 inst
->textcursor
= gdk_cursor_new(GDK_XTERM
);
1097 inst
->rawcursor
= gdk_cursor_new(GDK_ARROW
);
1098 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
1101 term_size(24, 80, 2000);