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
;
43 static struct gui_data the_inst
;
44 static struct gui_data
*inst
= &the_inst
; /* so we always write `inst->' */
45 static int send_raw_mouse
;
47 void ldisc_update(int echo
, int edit
)
50 * This is a stub in pterm. If I ever produce a Unix
51 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
52 * then it will require some termios manoeuvring analogous to
53 * that in the Windows plink.c, but here it's meaningless.
57 int askappend(char *filename
)
60 * FIXME: for the moment we just wipe the log file. Since I
61 * haven't yet enabled logging, this shouldn't matter yet!
66 void logevent(char *string
)
69 * FIXME: event log entries are currently ignored.
74 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
75 * into a cooked one (SELECT, EXTEND, PASTE).
77 * In Unix, this is not configurable; the X button arrangement is
78 * rock-solid across all applications, everyone has a three-button
79 * mouse or a means of faking it, and there is no need to switch
80 * buttons around at all.
82 Mouse_Button
translate_button(Mouse_Button button
)
84 if (button
== MBT_LEFT
)
86 if (button
== MBT_MIDDLE
)
88 if (button
== MBT_RIGHT
)
90 return 0; /* shouldn't happen */
94 * Minimise or restore the window in response to a server-side
97 void set_iconic(int iconic
)
99 /* FIXME: currently ignored */
103 * Move the window in response to a server-side request.
105 void move_window(int x
, int y
)
107 /* FIXME: currently ignored */
111 * Move the window to the top or bottom of the z-order in response
112 * to a server-side request.
114 void set_zorder(int top
)
116 /* FIXME: currently ignored */
120 * Refresh the window in response to a server-side request.
122 void refresh_window(void)
124 /* FIXME: currently ignored */
128 * Maximise or restore the window in response to a server-side
131 void set_zoomed(int zoomed
)
133 /* FIXME: currently ignored */
137 * Report whether the window is iconic, for terminal reports.
141 return 0; /* FIXME */
145 * Report the window's position, for terminal reports.
147 void get_window_pos(int *x
, int *y
)
149 *x
= 3; *y
= 4; /* FIXME */
153 * Report the window's pixel size, for terminal reports.
155 void get_window_pixels(int *x
, int *y
)
157 *x
= 1; *y
= 2; /* FIXME */
161 * Return the window or icon title.
163 char *get_window_title(int icon
)
165 return "FIXME: window title retrieval not yet implemented";
168 gint
delete_window(GtkWidget
*widget
, GdkEvent
*event
, gpointer data
)
171 * FIXME: warn on close?
176 gint
configure_area(GtkWidget
*widget
, GdkEventConfigure
*event
, gpointer data
)
178 struct gui_data
*inst
= (struct gui_data
*)data
;
179 int w
, h
, need_size
= 0;
181 w
= (event
->width
- 2*cfg
.window_border
) / inst
->font_width
;
182 h
= (event
->height
- 2*cfg
.window_border
) / inst
->font_height
;
184 if (w
!= cfg
.width
|| h
!= cfg
.height
) {
186 gdk_pixmap_unref(inst
->pixmap
);
196 inst
->pixmap
= gdk_pixmap_new(widget
->window
,
197 (cfg
.width
* inst
->font_width
+
198 2*cfg
.window_border
),
199 (cfg
.height
* inst
->font_height
+
200 2*cfg
.window_border
), -1);
202 gc
= gdk_gc_new(inst
->area
->window
);
203 gdk_gc_set_foreground(gc
, &inst
->cols
[18]); /* default background */
204 gdk_draw_rectangle(inst
->pixmap
, gc
, 1, 0, 0,
205 cfg
.width
* inst
->font_width
+ 2*cfg
.window_border
,
206 cfg
.height
* inst
->font_height
+ 2*cfg
.window_border
);
211 term_size(h
, w
, cfg
.savelines
);
215 * Set up the colour map.
218 static const int ww
[] = {
219 6, 7, 8, 9, 10, 11, 12, 13,
220 14, 15, 16, 17, 18, 19, 20, 21,
223 gboolean success
[NCOLOURS
];
226 inst
->colmap
= gdk_colormap_get_system();
228 assert(lenof(ww
) == NCOLOURS
);
230 for (i
= 0; i
< NCOLOURS
; i
++) {
231 inst
->cols
[i
].red
= cfg
.colours
[ww
[i
]][0] * 0x0101;
232 inst
->cols
[i
].green
= cfg
.colours
[ww
[i
]][1] * 0x0101;
233 inst
->cols
[i
].blue
= cfg
.colours
[ww
[i
]][2] * 0x0101;
236 gdk_colormap_alloc_colors(inst
->colmap
, inst
->cols
, NCOLOURS
,
237 FALSE
, FALSE
, success
);
238 for (i
= 0; i
< NCOLOURS
; i
++) {
240 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
241 i
, cfg
.colours
[i
][0], cfg
.colours
[i
][1], cfg
.colours
[i
][2]);
248 gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
, gpointer data
)
250 /* struct gui_data *inst = (struct gui_data *)data; */
253 * Pass the exposed rectangle to terminal.c, which will call us
254 * back to do the actual painting.
257 gdk_draw_pixmap(widget
->window
,
258 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
260 event
->area
.x
, event
->area
.y
,
261 event
->area
.x
, event
->area
.y
,
262 event
->area
.width
, event
->area
.height
);
267 #define KEY_PRESSED(k) \
268 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
270 gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
272 /* struct gui_data *inst = (struct gui_data *)data; */
276 if (event
->type
== GDK_KEY_PRESS
) {
280 printf("keypress: keyval = %04x, state = %08x; string =",
281 event
->keyval
, event
->state
);
282 for (i
= 0; event
->string
[i
]; i
++)
283 printf(" %02x", (unsigned char) event
->string
[i
]);
292 * - Compose key (!!! requires Unicode faff before even trying)
296 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
299 if (event
->keyval
== GDK_Page_Up
&& (event
->state
& GDK_SHIFT_MASK
)) {
300 term_scroll(0, -cfg
.height
/2);
303 if (event
->keyval
== GDK_Page_Down
&& (event
->state
& GDK_SHIFT_MASK
)) {
304 term_scroll(0, +cfg
.height
/2);
309 * Neither does Shift-Ins.
311 if (event
->keyval
== GDK_Insert
&& (event
->state
& GDK_SHIFT_MASK
)) {
316 /* ALT+things gives leading Escape. */
318 strncpy(output
+1, event
->string
, 31);
320 end
= strlen(output
);
321 if (event
->state
& GDK_MOD1_MASK
)
326 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
327 if (!event
->string
[0] && event
->keyval
== '`' &&
328 (event
->state
& GDK_CONTROL_MASK
)) {
333 /* Control-Break is the same as Control-C */
334 if (event
->keyval
== GDK_Break
&&
335 (event
->state
& GDK_CONTROL_MASK
)) {
340 /* Control-2, Control-Space and Control-@ are NUL */
341 if (!event
->string
[0] &&
342 (event
->keyval
== ' ' || event
->keyval
== '2' ||
343 event
->keyval
== '@') &&
344 (event
->state
& (GDK_SHIFT_MASK
|
345 GDK_CONTROL_MASK
)) == GDK_CONTROL_MASK
) {
350 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
351 if (!event
->string
[0] && event
->keyval
== ' ' &&
352 (event
->state
& (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) ==
353 (GDK_SHIFT_MASK
| GDK_CONTROL_MASK
)) {
358 /* We don't let GTK tell us what Backspace is! We know better. */
359 if (event
->keyval
== GDK_BackSpace
&&
360 !(event
->state
& GDK_SHIFT_MASK
)) {
361 output
[1] = cfg
.bksp_is_delete ?
'\x7F' : '\x08';
365 /* Shift-Tab is ESC [ Z */
366 if (event
->keyval
== GDK_ISO_Left_Tab
||
367 (event
->keyval
== GDK_Tab
&& (event
->state
& GDK_SHIFT_MASK
))) {
368 end
= 1 + sprintf(output
+1, "\033[Z");
372 * Application keypad mode.
374 if (app_keypad_keys
&& !cfg
.no_applic_k
) {
376 switch (event
->keyval
) {
377 case GDK_Num_Lock
: xkey
= 'P'; break;
378 case GDK_KP_Divide
: xkey
= 'Q'; break;
379 case GDK_KP_Multiply
: xkey
= 'R'; break;
380 case GDK_KP_Subtract
: xkey
= 'S'; break;
382 * Keypad + is tricky. It covers a space that would
383 * be taken up on the VT100 by _two_ keys; so we
384 * let Shift select between the two. Worse still,
385 * in xterm function key mode we change which two...
388 if (cfg
.funky_type
== 2) {
389 if (event
->state
& GDK_SHIFT_MASK
)
393 } else if (event
->state
& GDK_SHIFT_MASK
)
398 case GDK_KP_Enter
: xkey
= 'M'; break;
399 case GDK_KP_0
: case GDK_KP_Insert
: xkey
= 'p'; break;
400 case GDK_KP_1
: case GDK_KP_End
: xkey
= 'q'; break;
401 case GDK_KP_2
: case GDK_KP_Down
: xkey
= 'r'; break;
402 case GDK_KP_3
: case GDK_KP_Page_Down
: xkey
= 's'; break;
403 case GDK_KP_4
: case GDK_KP_Left
: xkey
= 't'; break;
404 case GDK_KP_5
: case GDK_KP_Begin
: xkey
= 'u'; break;
405 case GDK_KP_6
: case GDK_KP_Right
: xkey
= 'v'; break;
406 case GDK_KP_7
: case GDK_KP_Home
: xkey
= 'w'; break;
407 case GDK_KP_8
: case GDK_KP_Up
: xkey
= 'x'; break;
408 case GDK_KP_9
: case GDK_KP_Page_Up
: xkey
= 'y'; break;
409 case GDK_KP_Decimal
: case GDK_KP_Delete
: xkey
= 'n'; break;
413 if (xkey
>= 'P' && xkey
<= 'S')
414 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
416 end
= 1 + sprintf(output
+1, "\033?%c", xkey
);
418 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
424 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
425 * for integer decimal nn.)
427 * We also deal with the weird ones here. Linux VCs replace F1
428 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
429 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
434 switch (event
->keyval
) {
436 code
= (event
->state
& GDK_SHIFT_MASK ?
23 : 11);
439 code
= (event
->state
& GDK_SHIFT_MASK ?
24 : 12);
442 code
= (event
->state
& GDK_SHIFT_MASK ?
25 : 13);
445 code
= (event
->state
& GDK_SHIFT_MASK ?
26 : 14);
448 code
= (event
->state
& GDK_SHIFT_MASK ?
28 : 15);
451 code
= (event
->state
& GDK_SHIFT_MASK ?
29 : 17);
454 code
= (event
->state
& GDK_SHIFT_MASK ?
31 : 18);
457 code
= (event
->state
& GDK_SHIFT_MASK ?
32 : 19);
460 code
= (event
->state
& GDK_SHIFT_MASK ?
33 : 20);
463 code
= (event
->state
& GDK_SHIFT_MASK ?
34 : 21);
496 if (!(event
->state
& GDK_CONTROL_MASK
)) switch (event
->keyval
) {
497 case GDK_Home
: case GDK_KP_Home
:
500 case GDK_Insert
: case GDK_KP_Insert
:
503 case GDK_Delete
: case GDK_KP_Delete
:
506 case GDK_End
: case GDK_KP_End
:
509 case GDK_Page_Up
: case GDK_KP_Page_Up
:
512 case GDK_Page_Down
: case GDK_KP_Page_Down
:
516 /* Reorder edit keys to physical order */
517 if (cfg
.funky_type
== 3 && code
<= 6)
518 code
= "\0\2\1\4\5\3\6"[code
];
520 if (vt52_mode
&& code
> 0 && code
<= 6) {
521 end
= 1 + sprintf(output
+1, "\x1B%c", " HLMEIG"[code
]);
525 if (cfg
.funky_type
== 5 && /* SCO function keys */
526 code
>= 11 && code
<= 34) {
527 char codes
[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
529 switch (event
->keyval
) {
530 case GDK_F1
: index
= 0; break;
531 case GDK_F2
: index
= 1; break;
532 case GDK_F3
: index
= 2; break;
533 case GDK_F4
: index
= 3; break;
534 case GDK_F5
: index
= 4; break;
535 case GDK_F6
: index
= 5; break;
536 case GDK_F7
: index
= 6; break;
537 case GDK_F8
: index
= 7; break;
538 case GDK_F9
: index
= 8; break;
539 case GDK_F10
: index
= 9; break;
540 case GDK_F11
: index
= 10; break;
541 case GDK_F12
: index
= 11; break;
543 if (event
->state
& GDK_SHIFT_MASK
) index
+= 12;
544 if (event
->state
& GDK_CONTROL_MASK
) index
+= 24;
545 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[index
]);
548 if (cfg
.funky_type
== 5 && /* SCO small keypad */
549 code
>= 1 && code
<= 6) {
550 char codes
[] = "HL.FIG";
555 end
= 1 + sprintf(output
+1, "\x1B[%c", codes
[code
-1]);
559 if ((vt52_mode
|| cfg
.funky_type
== 4) && code
>= 11 && code
<= 24) {
566 end
= 1 + sprintf(output
+1,
567 "\x1B%c", code
+ 'P' - 11 - offt
);
569 end
= 1 + sprintf(output
+1,
570 "\x1BO%c", code
+ 'P' - 11 - offt
);
573 if (cfg
.funky_type
== 1 && code
>= 11 && code
<= 15) {
574 end
= 1 + sprintf(output
+1, "\x1B[[%c", code
+ 'A' - 11);
577 if (cfg
.funky_type
== 2 && code
>= 11 && code
<= 14) {
579 end
= 1 + sprintf(output
+1, "\x1B%c", code
+ 'P' - 11);
581 end
= 1 + sprintf(output
+1, "\x1BO%c", code
+ 'P' - 11);
584 if (cfg
.rxvt_homeend
&& (code
== 1 || code
== 4)) {
585 end
= 1 + sprintf(output
+1, code
== 1 ?
"\x1B[H" : "\x1BOw");
589 end
= 1 + sprintf(output
+1, "\x1B[%d~", code
);
595 * Cursor keys. (This includes the numberpad cursor keys,
596 * if we haven't already done them due to app keypad mode.)
598 * Here we also process un-numlocked un-appkeypadded KP5,
599 * which sends ESC [ G.
603 switch (event
->keyval
) {
604 case GDK_Up
: case GDK_KP_Up
: xkey
= 'A'; break;
605 case GDK_Down
: case GDK_KP_Down
: xkey
= 'B'; break;
606 case GDK_Right
: case GDK_KP_Right
: xkey
= 'C'; break;
607 case GDK_Left
: case GDK_KP_Left
: xkey
= 'D'; break;
608 case GDK_Begin
: case GDK_KP_Begin
: xkey
= 'G'; break;
612 * The arrow keys normally do ESC [ A and so on. In
613 * app cursor keys mode they do ESC O A instead.
614 * Ctrl toggles the two modes.
617 end
= 1 + sprintf(output
+1, "\033%c", xkey
);
618 } else if (!app_cursor_keys
^
619 !(event
->state
& GDK_CONTROL_MASK
)) {
620 end
= 1 + sprintf(output
+1, "\033O%c", xkey
);
622 end
= 1 + sprintf(output
+1, "\033[%c", xkey
);
633 printf("generating sequence:");
634 for (i
= start
; i
< end
; i
++)
635 printf(" %02x", (unsigned char) output
[i
]);
639 ldisc_send(output
+start
, end
-start
, 1);
646 gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
, gpointer data
)
648 struct gui_data
*inst
= (struct gui_data
*)data
;
649 int shift
, ctrl
, alt
, x
, y
, button
, act
;
651 shift
= event
->state
& GDK_SHIFT_MASK
;
652 ctrl
= event
->state
& GDK_CONTROL_MASK
;
653 alt
= event
->state
& GDK_MOD1_MASK
;
654 if (event
->button
== 1)
656 else if (event
->button
== 2)
658 else if (event
->button
== 3)
661 return FALSE
; /* don't even know what button! */
663 switch (event
->type
) {
664 case GDK_BUTTON_PRESS
: act
= MA_CLICK
; break;
665 case GDK_BUTTON_RELEASE
: act
= MA_RELEASE
; break;
666 case GDK_2BUTTON_PRESS
: act
= MA_2CLK
; break;
667 case GDK_3BUTTON_PRESS
: act
= MA_3CLK
; break;
668 default: return FALSE
; /* don't know this event type */
671 if (send_raw_mouse
&& !(cfg
.mouse_override
&& shift
) &&
672 act
!= MA_CLICK
&& act
!= MA_RELEASE
)
673 return TRUE
; /* we ignore these in raw mouse mode */
675 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
676 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
678 term_mouse(button
, act
, x
, y
, shift
, ctrl
, alt
);
683 gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer data
)
685 struct gui_data
*inst
= (struct gui_data
*)data
;
686 int shift
, ctrl
, alt
, x
, y
, button
;
688 shift
= event
->state
& GDK_SHIFT_MASK
;
689 ctrl
= event
->state
& GDK_CONTROL_MASK
;
690 alt
= event
->state
& GDK_MOD1_MASK
;
691 if (event
->state
& GDK_BUTTON1_MASK
)
693 else if (event
->state
& GDK_BUTTON2_MASK
)
695 else if (event
->state
& GDK_BUTTON3_MASK
)
698 return FALSE
; /* don't even know what button! */
700 x
= (event
->x
- cfg
.window_border
) / inst
->font_width
;
701 y
= (event
->y
- cfg
.window_border
) / inst
->font_height
;
703 term_mouse(button
, MA_DRAG
, x
, y
, shift
, ctrl
, alt
);
708 gint
timer_func(gpointer data
)
710 /* struct gui_data *inst = (struct gui_data *)data; */
716 void pty_input_func(gpointer data
, gint sourcefd
, GdkInputCondition condition
)
718 /* struct gui_data *inst = (struct gui_data *)data; */
722 ret
= read(sourcefd
, buf
, sizeof(buf
));
725 * Clean termination condition is that either ret == 0, or ret
726 * < 0 and errno == EIO. Not sure why the latter, but it seems
729 if (ret
== 0 || (ret
< 0 && errno
== EIO
)) {
734 perror("read pty master");
738 from_backend(0, buf
, ret
);
742 void destroy(GtkWidget
*widget
, gpointer data
)
747 gint
focus_event(GtkWidget
*widget
, GdkEventFocus
*event
, gpointer data
)
749 has_focus
= event
->in
;
756 * set or clear the "raw mouse message" mode
758 void set_raw_mouse_mode(int activate
)
760 activate
= activate
&& !cfg
.no_mouse_rep
;
761 send_raw_mouse
= activate
;
763 gdk_window_set_cursor(inst
->area
->window
, inst
->rawcursor
);
765 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
768 void request_resize(int w
, int h
)
770 /* FIXME: currently ignored */
773 void palette_set(int n
, int r
, int g
, int b
)
775 /* FIXME: currently ignored */
777 void palette_reset(void)
779 /* FIXME: currently ignored */
782 void write_clip(wchar_t * data
, int len
, int must_deselect
)
784 if (inst
->pasteout_data
)
785 sfree(inst
->pasteout_data
);
786 inst
->pasteout_data
= smalloc(len
);
787 inst
->pasteout_data_len
= len
;
788 wc_to_mb(0, 0, data
, len
, inst
->pasteout_data
, inst
->pasteout_data_len
,
791 if (gtk_selection_owner_set(inst
->area
, GDK_SELECTION_PRIMARY
,
793 gtk_selection_add_target(inst
->area
, GDK_SELECTION_PRIMARY
,
794 GDK_SELECTION_TYPE_STRING
, 1);
798 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
799 guint info
, guint time_stamp
, gpointer data
)
801 gtk_selection_data_set(seldata
, GDK_SELECTION_TYPE_STRING
, 8,
802 inst
->pasteout_data
, inst
->pasteout_data_len
);
805 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
809 if (inst
->pasteout_data
)
810 sfree(inst
->pasteout_data
);
811 inst
->pasteout_data
= NULL
;
812 inst
->pasteout_data_len
= 0;
816 void request_paste(void)
819 * In Unix, pasting is asynchronous: all we can do at the
820 * moment is to call gtk_selection_convert(), and when the data
821 * comes back _then_ we can call term_do_paste().
823 gtk_selection_convert(inst
->area
, GDK_SELECTION_PRIMARY
,
824 GDK_SELECTION_TYPE_STRING
, GDK_CURRENT_TIME
);
827 void selection_received(GtkWidget
*widget
, GtkSelectionData
*seldata
,
830 if (seldata
->length
<= 0 ||
831 seldata
->type
!= GDK_SELECTION_TYPE_STRING
)
832 return; /* Nothing happens. */
834 if (inst
->pastein_data
)
835 sfree(inst
->pastein_data
);
837 inst
->pastein_data
= smalloc(seldata
->length
* sizeof(wchar_t));
838 inst
->pastein_data_len
= seldata
->length
;
839 mb_to_wc(0, 0, seldata
->data
, seldata
->length
,
840 inst
->pastein_data
, inst
->pastein_data_len
);
845 void get_clip(wchar_t ** p
, int *len
)
848 *p
= inst
->pastein_data
;
849 *len
= inst
->pastein_data_len
;
853 void set_title(char *title
)
855 /* FIXME: currently ignored */
858 void set_icon(char *title
)
860 /* FIXME: currently ignored */
863 void set_sbar(int total
, int start
, int page
)
865 inst
->sbar_adjust
->lower
= 0;
866 inst
->sbar_adjust
->upper
= total
;
867 inst
->sbar_adjust
->value
= start
;
868 inst
->sbar_adjust
->page_size
= page
;
869 inst
->sbar_adjust
->step_increment
= 1;
870 inst
->sbar_adjust
->page_increment
= page
/2;
871 inst
->ignore_sbar
= TRUE
;
872 gtk_adjustment_changed(inst
->sbar_adjust
);
873 inst
->ignore_sbar
= FALSE
;
876 void scrollbar_moved(GtkAdjustment
*adj
, gpointer data
)
878 if (!inst
->ignore_sbar
)
879 term_scroll(1, (int)adj
->value
);
882 void sys_cursor(int x
, int y
)
885 * This is meaningless under X.
894 int CharWidth(Context ctx
, int uc
)
897 * Under X, any fixed-width font really _is_ fixed-width.
898 * Double-width characters will be dealt with using a separate
899 * font. For the moment we can simply return 1.
904 Context
get_ctx(void)
907 if (!inst
->area
->window
)
909 gc
= gdk_gc_new(inst
->area
->window
);
913 void free_ctx(Context ctx
)
915 GdkGC
*gc
= (GdkGC
*)ctx
;
920 * Draw a line of text in the window, at given character
921 * coordinates, in given attributes.
923 * We are allowed to fiddle with the contents of `text'.
925 void do_text(Context ctx
, int x
, int y
, char *text
, int len
,
926 unsigned long attr
, int lattr
)
929 GdkGC
*gc
= (GdkGC
*)ctx
;
933 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
934 * - LATTR_* (ESC # 4 double-width and double-height stuff)
935 * - cursor shapes other than block
936 * - VT100 line drawing stuff; code pages in general!
940 nfg
= 2 * ((attr
& ATTR_FGMASK
) >> ATTR_FGSHIFT
);
941 nbg
= 2 * ((attr
& ATTR_BGMASK
) >> ATTR_BGSHIFT
);
942 if (attr
& ATTR_REVERSE
) {
947 if (cfg
.bold_colour
&& (attr
& ATTR_BOLD
))
949 if (cfg
.bold_colour
&& (attr
& ATTR_BLINK
))
951 if (attr
& TATTR_ACTCURS
) {
956 gdk_gc_set_foreground(gc
, &inst
->cols
[nbg
]);
957 gdk_draw_rectangle(inst
->pixmap
, gc
, 1,
958 x
*inst
->font_width
+cfg
.window_border
,
959 y
*inst
->font_height
+cfg
.window_border
,
960 len
*inst
->font_width
, inst
->font_height
);
962 gdk_gc_set_foreground(gc
, &inst
->cols
[nfg
]);
963 gdk_draw_text(inst
->pixmap
, inst
->fonts
[0], gc
,
964 x
*inst
->font_width
+cfg
.window_border
,
965 y
*inst
->font_height
+cfg
.window_border
+inst
->fonts
[0]->ascent
,
968 if (attr
& ATTR_UNDER
) {
969 int uheight
= inst
->fonts
[0]->ascent
+ 1;
970 if (uheight
>= inst
->font_height
)
971 uheight
= inst
->font_height
- 1;
972 gdk_draw_line(inst
->pixmap
, gc
, x
*inst
->font_width
+cfg
.window_border
,
973 y
*inst
->font_height
+ uheight
+ cfg
.window_border
,
974 (x
+len
)*inst
->font_width
-1+cfg
.window_border
,
975 y
*inst
->font_height
+ uheight
+ cfg
.window_border
);
978 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
979 x
*inst
->font_width
+cfg
.window_border
,
980 y
*inst
->font_height
+cfg
.window_border
,
981 x
*inst
->font_width
+cfg
.window_border
,
982 y
*inst
->font_height
+cfg
.window_border
,
983 len
*inst
->font_width
, inst
->font_height
);
986 void do_cursor(Context ctx
, int x
, int y
, char *text
, int len
,
987 unsigned long attr
, int lattr
)
990 GdkGC
*gc
= (GdkGC
*)ctx
;
993 * NYI: cursor shapes other than block
995 if (attr
& TATTR_PASCURS
) {
996 attr
&= ~TATTR_PASCURS
;
1000 do_text(ctx
, x
, y
, text
, len
, attr
, lattr
);
1002 gdk_gc_set_foreground(gc
, &inst
->cols
[NCOLOURS
-1]);
1003 gdk_draw_rectangle(inst
->pixmap
, gc
, 0,
1004 x
*inst
->font_width
+cfg
.window_border
,
1005 y
*inst
->font_height
+cfg
.window_border
,
1006 len
*inst
->font_width
-1, inst
->font_height
-1);
1007 gdk_draw_pixmap(inst
->area
->window
, gc
, inst
->pixmap
,
1008 x
*inst
->font_width
+cfg
.window_border
,
1009 y
*inst
->font_height
+cfg
.window_border
,
1010 x
*inst
->font_width
+cfg
.window_border
,
1011 y
*inst
->font_height
+cfg
.window_border
,
1012 len
*inst
->font_width
, inst
->font_height
);
1016 GdkCursor
*make_mouse_ptr(int cursor_val
)
1019 * Truly hideous hack: GTK doesn't allow us to set the mouse
1020 * cursor foreground and background colours unless we've _also_
1021 * created our own cursor from bitmaps. Therefore, I need to
1022 * load the `cursor' font and draw glyphs from it on to
1023 * pixmaps, in order to construct my cursors with the fg and bg
1024 * I want. This is a gross hack, but it's more self-contained
1025 * than linking in Xlib to find the X window handle to
1026 * inst->area and calling XRecolorCursor, and it's more
1027 * futureproof than hard-coding the shapes as bitmap arrays.
1029 static GdkFont
*cursor_font
= NULL
;
1030 GdkPixmap
*source
, *mask
;
1032 GdkColor cfg
= { 0, 65535, 65535, 65535 };
1033 GdkColor cbg
= { 0, 0, 0, 0 };
1034 GdkColor dfg
= { 1, 65535, 65535, 65535 };
1035 GdkColor dbg
= { 0, 0, 0, 0 };
1038 gint lb
, rb
, wid
, asc
, desc
, w
, h
, x
, y
;
1040 if (cursor_val
< 0) {
1041 gdk_font_unref(cursor_font
);
1046 cursor_font
= gdk_font_load("cursor");
1049 * Get the text extent of the cursor in question. We use the
1050 * mask character for this, because it's typically slightly
1051 * bigger than the main character.
1054 text
[0] = (char)cursor_val
+ 1;
1055 gdk_string_extents(cursor_font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
1056 w
= rb
-lb
; h
= asc
+desc
; x
= -lb
; y
= asc
;
1058 source
= gdk_pixmap_new(NULL
, w
, h
, 1);
1059 mask
= gdk_pixmap_new(NULL
, w
, h
, 1);
1062 * Draw the mask character on the mask pixmap.
1065 text
[0] = (char)cursor_val
+ 1;
1066 gc
= gdk_gc_new(mask
);
1067 gdk_gc_set_foreground(gc
, &dbg
);
1068 gdk_draw_rectangle(mask
, gc
, 1, 0, 0, w
, h
);
1069 gdk_gc_set_foreground(gc
, &dfg
);
1070 gdk_draw_text(mask
, cursor_font
, gc
, x
, y
, text
, 1);
1074 * Draw the main character on the source pixmap.
1077 text
[0] = (char)cursor_val
;
1078 gc
= gdk_gc_new(source
);
1079 gdk_gc_set_foreground(gc
, &dbg
);
1080 gdk_draw_rectangle(source
, gc
, 1, 0, 0, w
, h
);
1081 gdk_gc_set_foreground(gc
, &dfg
);
1082 gdk_draw_text(source
, cursor_font
, gc
, x
, y
, text
, 1);
1086 * Create the cursor.
1088 ret
= gdk_cursor_new_from_pixmap(source
, mask
, &cfg
, &cbg
, x
, y
);
1093 gdk_pixmap_unref(source
);
1094 gdk_pixmap_unref(mask
);
1099 void modalfatalbox(char *p
, ...)
1102 fprintf(stderr
, "FATAL ERROR: ");
1104 vfprintf(stderr
, p
, ap
);
1106 fputc('\n', stderr
);
1110 int main(int argc
, char **argv
)
1113 extern int pty_master_fd
; /* declared in pty.c */
1114 extern char **pty_argv
; /* declared in pty.c */
1117 gtk_init(&argc
, &argv
);
1119 do_defaults(NULL
, &cfg
);
1121 while (--argc
> 0) {
1123 if (!strcmp(p
, "-fn")) {
1125 strncpy(cfg
.font
, *++argv
, sizeof(cfg
.font
));
1126 cfg
.font
[sizeof(cfg
.font
)-1] = '\0';
1128 err
= 1, fprintf(stderr
, "pterm: -fn expects an argument\n");
1130 if (!strcmp(p
, "-e")) {
1133 pty_argv
= smalloc((argc
+1) * sizeof(char *));
1135 for (i
= 0; i
< argc
; i
++)
1136 pty_argv
[i
] = argv
[i
];
1137 pty_argv
[argc
] = NULL
;
1138 break; /* finished command-line processing */
1140 err
= 1, fprintf(stderr
, "pterm: -e expects an argument\n");
1144 inst
->fonts
[0] = gdk_font_load(cfg
.font
);
1145 inst
->fonts
[1] = NULL
; /* FIXME: what about bold font? */
1146 inst
->font_width
= gdk_char_width(inst
->fonts
[0], ' ');
1147 inst
->font_height
= inst
->fonts
[0]->ascent
+ inst
->fonts
[0]->descent
;
1151 back
= &pty_backend
;
1152 back
->init(NULL
, 0, NULL
, 0);
1154 window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1155 inst
->area
= gtk_drawing_area_new();
1156 gtk_drawing_area_size(GTK_DRAWING_AREA(inst
->area
),
1157 inst
->font_width
* cfg
.width
+ 2*cfg
.window_border
,
1158 inst
->font_height
* cfg
.height
+ 2*cfg
.window_border
);
1159 inst
->sbar_adjust
= GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1160 inst
->sbar
= gtk_vscrollbar_new(inst
->sbar_adjust
);
1161 inst
->hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
1162 gtk_box_pack_start(inst
->hbox
, inst
->area
, TRUE
, TRUE
, 0);
1163 gtk_box_pack_end(inst
->hbox
, inst
->sbar
, FALSE
, FALSE
, 0);
1165 gtk_container_add(GTK_CONTAINER(window
), GTK_WIDGET(inst
->hbox
));
1169 geom
.min_width
= inst
->font_width
+ 2*cfg
.window_border
;
1170 geom
.min_height
= inst
->font_height
+ 2*cfg
.window_border
;
1171 geom
.max_width
= geom
.max_height
= -1;
1172 geom
.base_width
= 2*cfg
.window_border
;
1173 geom
.base_height
= 2*cfg
.window_border
;
1174 geom
.width_inc
= inst
->font_width
;
1175 geom
.height_inc
= inst
->font_height
;
1176 geom
.min_aspect
= geom
.max_aspect
= 0;
1177 gtk_window_set_geometry_hints(GTK_WINDOW(window
), inst
->area
, &geom
,
1178 GDK_HINT_MIN_SIZE
| GDK_HINT_BASE_SIZE
|
1179 GDK_HINT_RESIZE_INC
);
1182 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
1183 GTK_SIGNAL_FUNC(destroy
), inst
);
1184 gtk_signal_connect(GTK_OBJECT(window
), "delete_event",
1185 GTK_SIGNAL_FUNC(delete_window
), inst
);
1186 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
1187 GTK_SIGNAL_FUNC(key_event
), inst
);
1188 gtk_signal_connect(GTK_OBJECT(window
), "focus_in_event",
1189 GTK_SIGNAL_FUNC(focus_event
), inst
);
1190 gtk_signal_connect(GTK_OBJECT(window
), "focus_out_event",
1191 GTK_SIGNAL_FUNC(focus_event
), inst
);
1192 gtk_signal_connect(GTK_OBJECT(inst
->area
), "configure_event",
1193 GTK_SIGNAL_FUNC(configure_area
), inst
);
1194 gtk_signal_connect(GTK_OBJECT(inst
->area
), "expose_event",
1195 GTK_SIGNAL_FUNC(expose_area
), inst
);
1196 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_press_event",
1197 GTK_SIGNAL_FUNC(button_event
), inst
);
1198 gtk_signal_connect(GTK_OBJECT(inst
->area
), "button_release_event",
1199 GTK_SIGNAL_FUNC(button_event
), inst
);
1200 gtk_signal_connect(GTK_OBJECT(inst
->area
), "motion_notify_event",
1201 GTK_SIGNAL_FUNC(motion_event
), inst
);
1202 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_received",
1203 GTK_SIGNAL_FUNC(selection_received
), inst
);
1204 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_get",
1205 GTK_SIGNAL_FUNC(selection_get
), inst
);
1206 gtk_signal_connect(GTK_OBJECT(inst
->area
), "selection_clear_event",
1207 GTK_SIGNAL_FUNC(selection_clear
), inst
);
1208 gtk_signal_connect(GTK_OBJECT(inst
->sbar_adjust
), "value_changed",
1209 GTK_SIGNAL_FUNC(scrollbar_moved
), inst
);
1210 gtk_timeout_add(20, timer_func
, inst
);
1211 gdk_input_add(pty_master_fd
, GDK_INPUT_READ
, pty_input_func
, inst
);
1212 gtk_widget_add_events(GTK_WIDGET(inst
->area
),
1213 GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
|
1214 GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
|
1215 GDK_BUTTON_MOTION_MASK
);
1217 gtk_widget_show(inst
->area
);
1218 gtk_widget_show(inst
->sbar
);
1219 gtk_widget_show(GTK_WIDGET(inst
->hbox
));
1220 gtk_widget_show(window
);
1222 inst
->textcursor
= make_mouse_ptr(GDK_XTERM
);
1223 inst
->rawcursor
= make_mouse_ptr(GDK_LEFT_PTR
);
1224 make_mouse_ptr(-1); /* clean up cursor font */
1225 gdk_window_set_cursor(inst
->area
->window
, inst
->textcursor
);
1228 term_size(24, 80, 2000);