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
;
41 GdkAtom compound_text_atom
;
44 static struct gui_data the_inst
;
45 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
46 static int send_raw_mouse
;
48 void ldisc_update(int echo
, int edit
)
51 * This is a stub in pterm. If I ever produce a Unix
52 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
53 * then it will require some termios manoeuvring analogous to
54 * that in the Windows plink.c, but here it's meaningless.
58 int askappend(char *filename
)
61 * FIXME: for the moment we just wipe the log file. Since I
62 * haven't yet enabled logging, this shouldn't matter yet!
67 void logevent(char *string
)
70 * FIXME: event log entries are currently ignored.
75 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
76 * into a cooked one (SELECT, EXTEND, PASTE).
78 * In Unix, this is not configurable; the X button arrangement is
79 * rock-solid across all applications, everyone has a three-button
80 * mouse or a means of faking it, and there is no need to switch
81 * buttons around at all.
83 Mouse_Button
translate_button(Mouse_Button button
)
85 if (button
== MBT_LEFT
)
87 if (button
== MBT_MIDDLE
)
89 if (button
== MBT_RIGHT
)
91 return 0; /* shouldn't happen */
95 * Minimise or restore the window in response to a server-side
98 void set_iconic(int iconic
)
100 /* FIXME: currently ignored */
104 * Move the window in response to a server-side request.
106 void move_window(int x
, int y
)
108 /* FIXME: currently ignored */
112 * Move the window to the top or bottom of the z-order in response
113 * to a server-side request.
115 void set_zorder(int top
)
117 /* FIXME: currently ignored */
121 * Refresh the window in response to a server-side request.
123 void refresh_window(void)
125 /* FIXME: currently ignored */
129 * Maximise or restore the window in response to a server-side
132 void set_zoomed(int zoomed
)
134 /* FIXME: currently ignored */
138 * Report whether the window is iconic, for terminal reports.
142 return 0; /* FIXME */
146 * Report the window's position, for terminal reports.
148 void get_window_pos(int *x
, int *y
)
150 *x
= 3; *y
= 4; /* FIXME */
154 * Report the window's pixel size, for terminal reports.
156 void get_window_pixels(int *x
, int *y
)
158 *x
= 1; *y
= 2; /* FIXME */
162 * Return the window or icon title.
164 char *get_window_title(int icon
)
166 return "FIXME: window title retrieval not yet implemented";
169 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
172 * FIXME: warn on close?
177 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
179 struct gui_data
*inst
= (struct gui_data
*)data
;
180 int w
, h
, need_size
= 0;
182 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
183 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
185 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
187 gdk_pixmap_unref(inst
->pixmap
);
197 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
198 (cfg
.width
* inst
->font_width
+
199 2*cfg
.window_border
),
200 (cfg
.height
* inst
->font_height
+
201 2*cfg
.window_border
), -1);
203 gc
= gdk_gc_new(inst
->area
->window
);
204 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
205 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
206 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
207 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
212 term_size(h
, w
, cfg
.savelines
);
216 * Set up the colour map.
219 static const int ww
[] = {
220 6, 7, 8, 9, 10, 11, 12, 13,
221 14, 15, 16, 17, 18, 19, 20, 21,
224 gboolean success
[NCOLOURS
];
227 inst
->colmap
= gdk_colormap_get_system();
229 assert(lenof(ww
) == NCOLOURS
);
231 for (i
= 0; i
< NCOLOURS
; i
++) {
232 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
233 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
234 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
237 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
238 FALSE
, FALSE
, success
);
239 for (i
= 0; i
< NCOLOURS
; i
++) {
241 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
242 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
249 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
251 /* struct gui_data *inst = (struct gui_data *)data; */
254 * Pass the exposed rectangle to terminal.c, which will call us
255 * back to do the actual painting.
258 gdk_draw_pixmap(widget
->window
,
259 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
261 event
->area
.x
, event
->area
.y
,
262 event
->area
.x
, event
->area
.y
,
263 event
->area
.width
, event
->area
.height
);
268 #define KEY_PRESSED(k) \
269 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
271 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
273 /* struct gui_data *inst = (struct gui_data *)data; */
277 if (event
->type
== GDK_KEY_PRESS
) {
281 printf("keypress: keyval = %04x, state = %08x; string =",
282 event
->keyval
, event
->state
);
283 for (i
= 0; event
->string
[i
]; i
++)
284 printf(" %02x", (unsigned char) event
->string
[i
]);
293 * - Compose key (!!! requires Unicode faff before even trying)
297 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
300 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
301 term_scroll(0, -cfg
.height
/2);
304 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
305 term_scroll(0, +cfg
.height
/2);
310 * Neither does Shift-Ins.
312 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
317 /* ALT+things gives leading Escape. */
319 strncpy(output
+1, event
->string
, 31);
321 end
= strlen(output
);
322 if (event
->state
& GDK_MOD1_MASK
)
327 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
328 if (!event
->string
[0] && event
->keyval
== '`' &&
329 (event
->state
& GDK_CONTROL_MASK
)) {
334 /* Control-Break is the same as Control-C */
335 if (event
->keyval
== GDK_Break
&&
336 (event
->state
& GDK_CONTROL_MASK
)) {
341 /* Control-2, Control-Space and Control-@ are NUL */
342 if (!event
->string
[0] &&
343 (event
->keyval
== ' ' || event
->keyval
== '2' ||
344 event
->keyval
== '@') &&
345 (event
->state
& (GDK_SHIFT_MASK
|
346 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
351 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
352 if (!event
->string
[0] && event
->keyval
== ' ' &&
353 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
354 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
359 /* We don't let GTK tell us what Backspace is! We know better. */
360 if (event
->keyval
== GDK_BackSpace
&&
361 !(event
->state
& GDK_SHIFT_MASK
)) {
362 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
366 /* Shift-Tab is ESC [ Z */
367 if (event
->keyval
== GDK_ISO_Left_Tab
||
368 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
369 end
= 1 + sprintf(output
+1, "\033[Z");
373 * Application keypad mode.
375 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
377 switch (event
->keyval
) {
378 case GDK_Num_Lock
: xkey
= 'P'; break;
379 case GDK_KP_Divide
: xkey
= 'Q'; break;
380 case GDK_KP_Multiply
: xkey
= 'R'; break;
381 case GDK_KP_Subtract
: xkey
= 'S'; break;
383 * Keypad + is tricky. It covers a space that would
384 * be taken up on the VT100 by _two_ keys; so we
385 * let Shift select between the two. Worse still,
386 * in xterm function key mode we change which two...
389 if (cfg
.funky_type
== 2) {
390 if (event
->state
& GDK_SHIFT_MASK
)
394 } else if (event
->state
& GDK_SHIFT_MASK
)
399 case GDK_KP_Enter
: xkey
= 'M'; break;
400 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
401 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
402 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
403 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
404 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
405 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
406 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
407 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
408 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
409 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
410 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
414 if (xkey
>= 'P' && xkey
<= 'S')
415 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
417 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
419 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
425 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
426 * for integer decimal nn.)
428 * We also deal with the weird ones here. Linux VCs replace F1
429 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
430 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
435 switch (event
->keyval
) {
437 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
440 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
443 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
446 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
449 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
452 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
455 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
458 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
461 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
464 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
497 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
498 case GDK_Home
: case GDK_KP_Home
:
501 case GDK_Insert
: case GDK_KP_Insert
:
504 case GDK_Delete
: case GDK_KP_Delete
:
507 case GDK_End
: case GDK_KP_End
:
510 case GDK_Page_Up
: case GDK_KP_Page_Up
:
513 case GDK_Page_Down
: case GDK_KP_Page_Down
:
517 /* Reorder edit keys to physical order */
518 if (cfg
.funky_type
== 3 && code
<= 6)
519 code
= "\0\2\1\4\5\3\6"[code
];
521 if (vt52_mode
&& code
> 0 && code
<= 6) {
522 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
526 if (cfg
.funky_type
== 5 && /* SCO function keys */
527 code
>= 11 && code
<= 34) {
528 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
530 switch (event
->keyval
) {
531 case GDK_F1
: index
= 0; break;
532 case GDK_F2
: index
= 1; break;
533 case GDK_F3
: index
= 2; break;
534 case GDK_F4
: index
= 3; break;
535 case GDK_F5
: index
= 4; break;
536 case GDK_F6
: index
= 5; break;
537 case GDK_F7
: index
= 6; break;
538 case GDK_F8
: index
= 7; break;
539 case GDK_F9
: index
= 8; break;
540 case GDK_F10
: index
= 9; break;
541 case GDK_F11
: index
= 10; break;
542 case GDK_F12
: index
= 11; break;
544 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
545 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
546 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
549 if (cfg
.funky_type
== 5 && /* SCO small keypad */
550 code
>= 1 && code
<= 6) {
551 char codes
[] = "HL.FIG";
556 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
560 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
567 end
= 1 + sprintf(output
+1,
568 "\x1B%c", code
+ 'P' - 11 - offt
);
570 end
= 1 + sprintf(output
+1,
571 "\x1BO%c", code
+ 'P' - 11 - offt
);
574 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
575 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
578 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
580 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
582 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
585 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
586 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
590 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
596 * Cursor keys. (This includes the numberpad cursor keys,
597 * if we haven't already done them due to app keypad mode.)
599 * Here we also process un-numlocked un-appkeypadded KP5,
600 * which sends ESC [ G.
604 switch (event
->keyval
) {
605 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
606 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
607 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
608 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
609 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
613 * The arrow keys normally do ESC [ A and so on. In
614 * app cursor keys mode they do ESC O A instead.
615 * Ctrl toggles the two modes.
618 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
619 } else if (!app_cursor_keys
^
620 !(event
->state
& GDK_CONTROL_MASK
)) {
621 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
623 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
634 printf("generating sequence:");
635 for (i
= start
; i
< end
; i
++)
636 printf(" %02x", (unsigned char) output
[i
]);
640 ldisc_send(output
+start
, end
-start
, 1);
647 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
649 struct gui_data
*inst
= (struct gui_data
*)data
;
650 int shift
, ctrl
, alt
, x
, y
, button
, act
;
652 shift
= event
->state
& GDK_SHIFT_MASK
;
653 ctrl
= event
->state
& GDK_CONTROL_MASK
;
654 alt
= event
->state
& GDK_MOD1_MASK
;
655 if (event
->button
== 1)
657 else if (event
->button
== 2)
659 else if (event
->button
== 3)
662 return FALSE
; /* don't even know what button! */
664 switch (event
->type
) {
665 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
666 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
667 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
668 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
669 default: return FALSE
; /* don't know this event type */
672 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
673 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
674 return TRUE
; /* we ignore these in raw mouse mode */
676 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
677 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
679 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
684 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
686 struct gui_data
*inst
= (struct gui_data
*)data
;
687 int shift
, ctrl
, alt
, x
, y
, button
;
689 shift
= event
->state
& GDK_SHIFT_MASK
;
690 ctrl
= event
->state
& GDK_CONTROL_MASK
;
691 alt
= event
->state
& GDK_MOD1_MASK
;
692 if (event
->state
& GDK_BUTTON1_MASK
)
694 else if (event
->state
& GDK_BUTTON2_MASK
)
696 else if (event
->state
& GDK_BUTTON3_MASK
)
699 return FALSE
; /* don't even know what button! */
701 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
702 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
704 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
709 gint
timer_func(gpointer data
)
711 /* struct gui_data *inst = (struct gui_data *)data; */
717 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
719 /* struct gui_data *inst = (struct gui_data *)data; */
723 ret
= read(sourcefd
, buf
, sizeof(buf
));
726 * Clean termination condition is that either ret == 0, or ret
727 * < 0 and errno == EIO. Not sure why the latter, but it seems
730 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
735 perror("read pty master");
739 from_backend(0, buf
, ret
);
743 void destroy(GtkWidget
*widget
, gpointer data
)
748 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
750 has_focus
= event
->in
;
757 * set or clear the "raw mouse message" mode
759 void set_raw_mouse_mode(int activate
)
761 activate
= activate
&& !cfg
.no_mouse_rep
;
762 send_raw_mouse
= activate
;
764 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
766 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
769 void request_resize(int w
, int h
)
771 /* FIXME: currently ignored */
774 void palette_set(int n
, int r
, int g
, int b
)
776 /* FIXME: currently ignored */
778 void palette_reset(void)
780 /* FIXME: currently ignored */
783 void write_clip(wchar_t * data
, int len
, int must_deselect
)
785 if (inst
->pasteout_data
)
786 sfree(inst
->pasteout_data
);
787 inst
->pasteout_data
= smalloc(len
);
788 inst
->pasteout_data_len
= len
;
789 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
792 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
794 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
795 GDK_SELECTION_TYPE_STRING
, 1);
796 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
797 inst
->compound_text_atom
, 1);
801 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
802 guint info
, guint time_stamp
, gpointer data
)
804 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
805 inst
->pasteout_data
, inst
->pasteout_data_len
);
808 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
812 if (inst
->pasteout_data
)
813 sfree(inst
->pasteout_data
);
814 inst
->pasteout_data
= NULL
;
815 inst
->pasteout_data_len
= 0;
819 void request_paste(void)
822 * In Unix, pasting is asynchronous: all we can do at the
823 * moment is to call gtk_selection_convert(), and when the data
824 * comes back _then_ we can call term_do_paste().
826 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
827 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
830 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
833 if (seldata
->length
<= 0 ||
834 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
835 return; /* Nothing happens. */
837 if (inst
->pastein_data
)
838 sfree(inst
->pastein_data
);
840 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
841 inst
->pastein_data_len
= seldata
->length
;
842 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
843 inst
->pastein_data
, inst
->pastein_data_len
);
848 void get_clip(wchar_t ** p
, int *len
)
851 *p
= inst
->pastein_data
;
852 *len
= inst
->pastein_data_len
;
856 void set_title(char *title
)
858 /* FIXME: currently ignored */
861 void set_icon(char *title
)
863 /* FIXME: currently ignored */
866 void set_sbar(int total
, int start
, int page
)
868 inst
->sbar_adjust
->lower
= 0;
869 inst
->sbar_adjust
->upper
= total
;
870 inst
->sbar_adjust
->value
= start
;
871 inst
->sbar_adjust
->page_size
= page
;
872 inst
->sbar_adjust
->step_increment
= 1;
873 inst
->sbar_adjust
->page_increment
= page
/2;
874 inst
->ignore_sbar
= TRUE
;
875 gtk_adjustment_changed(inst
->sbar_adjust
);
876 inst
->ignore_sbar
= FALSE
;
879 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
881 if (!inst
->ignore_sbar
)
882 term_scroll(1, (int)adj
->value
);
885 void sys_cursor(int x
, int y
)
888 * This is meaningless under X.
897 int CharWidth(Context ctx
, int uc
)
900 * Under X, any fixed-width font really _is_ fixed-width.
901 * Double-width characters will be dealt with using a separate
902 * font. For the moment we can simply return 1.
907 Context
get_ctx(void)
910 if (!inst
->area
->window
)
912 gc
= gdk_gc_new(inst
->area
->window
);
916 void free_ctx(Context ctx
)
918 GdkGC
*gc
= (GdkGC
*)ctx
;
923 * Draw a line of text in the window, at given character
924 * coordinates, in given attributes.
926 * We are allowed to fiddle with the contents of `text'.
928 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
929 unsigned long attr
, int lattr
)
932 GdkGC
*gc
= (GdkGC
*)ctx
;
936 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
937 * - LATTR_* (ESC # 4 double-width and double-height stuff)
938 * - cursor shapes other than block
939 * - VT100 line drawing stuff; code pages in general!
943 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
944 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
945 if (attr
& ATTR_REVERSE
) {
950 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
952 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
954 if (attr
& TATTR_ACTCURS
) {
959 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
960 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
961 x
*inst
->font_width
+cfg
.window_border
,
962 y
*inst
->font_height
+cfg
.window_border
,
963 len
*inst
->font_width
, inst
->font_height
);
965 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
966 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
967 x
*inst
->font_width
+cfg
.window_border
,
968 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
971 if (attr
& ATTR_UNDER
) {
972 int uheight
= inst
->fonts
[0]->ascent
+ 1;
973 if (uheight
>= inst
->font_height
)
974 uheight
= inst
->font_height
- 1;
975 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
976 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
977 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
978 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
981 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
982 x
*inst
->font_width
+cfg
.window_border
,
983 y
*inst
->font_height
+cfg
.window_border
,
984 x
*inst
->font_width
+cfg
.window_border
,
985 y
*inst
->font_height
+cfg
.window_border
,
986 len
*inst
->font_width
, inst
->font_height
);
989 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
990 unsigned long attr
, int lattr
)
993 GdkGC
*gc
= (GdkGC
*)ctx
;
996 * NYI: cursor shapes other than block
998 if (attr
& TATTR_PASCURS
) {
999 attr
&= ~TATTR_PASCURS
;
1003 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1005 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1006 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1007 x
*inst
->font_width
+cfg
.window_border
,
1008 y
*inst
->font_height
+cfg
.window_border
,
1009 len
*inst
->font_width
-1, inst
->font_height
-1);
1010 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1011 x
*inst
->font_width
+cfg
.window_border
,
1012 y
*inst
->font_height
+cfg
.window_border
,
1013 x
*inst
->font_width
+cfg
.window_border
,
1014 y
*inst
->font_height
+cfg
.window_border
,
1015 len
*inst
->font_width
, inst
->font_height
);
1019 GdkCursor
*make_mouse_ptr(int cursor_val
)
1022 * Truly hideous hack: GTK doesn't allow us to set the mouse
1023 * cursor foreground and background colours unless we've _also_
1024 * created our own cursor from bitmaps. Therefore, I need to
1025 * load the `cursor' font and draw glyphs from it on to
1026 * pixmaps, in order to construct my cursors with the fg and bg
1027 * I want. This is a gross hack, but it's more self-contained
1028 * than linking in Xlib to find the X window handle to
1029 * inst->area and calling XRecolorCursor, and it's more
1030 * futureproof than hard-coding the shapes as bitmap arrays.
1032 static GdkFont
*cursor_font
= NULL
;
1033 GdkPixmap
*source
, *mask
;
1035 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1036 GdkColor cbg
= { 0, 0, 0, 0 };
1037 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1038 GdkColor dbg
= { 0, 0, 0, 0 };
1041 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1043 if (cursor_val
< 0) {
1044 gdk_font_unref(cursor_font
);
1049 cursor_font
= gdk_font_load("cursor");
1052 * Get the text extent of the cursor in question. We use the
1053 * mask character for this, because it's typically slightly
1054 * bigger than the main character.
1057 text
[0] = (char)cursor_val
+ 1;
1058 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1059 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1061 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1062 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1065 * Draw the mask character on the mask pixmap.
1068 text
[0] = (char)cursor_val
+ 1;
1069 gc
= gdk_gc_new(mask
);
1070 gdk_gc_set_foreground(gc
, &dbg
);
1071 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1072 gdk_gc_set_foreground(gc
, &dfg
);
1073 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1077 * Draw the main character on the source pixmap.
1080 text
[0] = (char)cursor_val
;
1081 gc
= gdk_gc_new(source
);
1082 gdk_gc_set_foreground(gc
, &dbg
);
1083 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1084 gdk_gc_set_foreground(gc
, &dfg
);
1085 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1089 * Create the cursor.
1091 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1096 gdk_pixmap_unref(source
);
1097 gdk_pixmap_unref(mask
);
1102 void modalfatalbox(char *p
, ...)
1105 fprintf(stderr
, "FATAL ERROR: ");
1107 vfprintf(stderr
, p
, ap
);
1109 fputc('\n', stderr
);
1113 int main(int argc
, char **argv
)
1116 extern int pty_master_fd
; /* declared in pty.c */
1117 extern char **pty_argv
; /* declared in pty.c */
1120 gtk_init(&argc
, &argv
);
1122 do_defaults(NULL
, &cfg
);
1124 while (--argc
> 0) {
1126 if (!strcmp(p
, "-fn")) {
1128 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1129 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1131 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1133 if (!strcmp(p
, "-e")) {
1136 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1138 for (i
= 0; i
< argc
; i
++)
1139 pty_argv
[i
] = argv
[i
];
1140 pty_argv
[argc
] = NULL
;
1141 break; /* finished command-line processing */
1143 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1147 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1148 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1149 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1150 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1152 inst
->compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1156 back
= &pty_backend
;
1157 back
->init(NULL
, 0, NULL
, 0);
1159 window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1160 inst
->area
= gtk_drawing_area_new();
1161 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1162 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1163 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1164 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1165 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1166 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1167 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1168 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1170 gtk_container_add(GTK_CONTAINER(window
), GTK_WIDGET(inst
->hbox
));
1174 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1175 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1176 geom
.max_width
= geom
.max_height
= -1;
1177 geom
.base_width
= 2*cfg
.window_border
;
1178 geom
.base_height
= 2*cfg
.window_border
;
1179 geom
.width_inc
= inst
->font_width
;
1180 geom
.height_inc
= inst
->font_height
;
1181 geom
.min_aspect
= geom
.max_aspect
= 0;
1182 gtk_window_set_geometry_hints(GTK_WINDOW(window
), inst
->area
, &geom
,
1183 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1184 GDK_HINT_RESIZE_INC
);
1187 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
1188 GTK_SIGNAL_FUNC(destroy
), inst
);
1189 gtk_signal_connect(GTK_OBJECT(window
), "delete_event",
1190 GTK_SIGNAL_FUNC(delete_window
), inst
);
1191 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
1192 GTK_SIGNAL_FUNC(key_event
), inst
);
1193 gtk_signal_connect(GTK_OBJECT(window
), "focus_in_event",
1194 GTK_SIGNAL_FUNC(focus_event
), inst
);
1195 gtk_signal_connect(GTK_OBJECT(window
), "focus_out_event",
1196 GTK_SIGNAL_FUNC(focus_event
), inst
);
1197 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1198 GTK_SIGNAL_FUNC(configure_area
), inst
);
1199 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1200 GTK_SIGNAL_FUNC(expose_area
), inst
);
1201 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1202 GTK_SIGNAL_FUNC(button_event
), inst
);
1203 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1204 GTK_SIGNAL_FUNC(button_event
), inst
);
1205 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1206 GTK_SIGNAL_FUNC(motion_event
), inst
);
1207 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1208 GTK_SIGNAL_FUNC(selection_received
), inst
);
1209 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1210 GTK_SIGNAL_FUNC(selection_get
), inst
);
1211 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1212 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1213 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1214 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1215 gtk_timeout_add(20, timer_func
, inst
);
1216 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1217 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1218 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1219 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1220 GDK_BUTTON_MOTION_MASK
);
1222 gtk_widget_show(inst
->area
);
1223 gtk_widget_show(inst
->sbar
);
1224 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1225 gtk_widget_show(window
);
1227 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1228 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1229 make_mouse_ptr(-1); /* clean up cursor font */
1230 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
1233 term_size(24, 80, 2000);