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Fix `menu-set-font' on pgtk

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* src/pgtkfns.c (Fx_select_font): New function.
(syms_of_pgtkfns): Define new subr.
This commit is contained in:
Po Lu 2021-12-02 18:03:51 +08:00
parent 2f6b519eae
commit 7fa11be2fa
1 changed files with 47 additions and 0 deletions
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47
src/pgtkfns.c
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@ -3908,6 +3908,52 @@ If omitted or nil, that stands for the selected frame's display. */)
return build_string (type_name);
}
DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0,
doc: /* Read a font using a GTK dialog and return a font spec.
FRAME is the frame on which to pop up the font chooser. If omitted or
nil, it defaults to the selected frame. */)
(Lisp_Object frame, Lisp_Object ignored)
{
struct frame *f = decode_window_system_frame (frame);
Lisp_Object font;
Lisp_Object font_param;
char *default_name = NULL;
ptrdiff_t count = SPECPDL_INDEX ();
if (popup_activated ())
error ("Trying to use a menu from within a menu-entry");
else
pgtk_menu_set_in_use (true);
/* Prevent redisplay. */
specbind (Qinhibit_redisplay, Qt);
record_unwind_protect_void (clean_up_dialog);
block_input ();
XSETFONT (font, FRAME_FONT (f));
font_param = Ffont_get (font, QCname);
if (STRINGP (font_param))
default_name = xlispstrdup (font_param);
else
{
font_param = Fframe_parameter (frame, Qfont_parameter);
if (STRINGP (font_param))
default_name = xlispstrdup (font_param);
}
font = xg_get_font (f, default_name);
xfree (default_name);
unblock_input ();
if (NILP (font))
quit ();
return unbind_to (count, font);
}
/* ==========================================================================
Lisp interface declaration
@ -4032,6 +4078,7 @@ be used as the image of the icon representing the frame. */);
defsubr (&Spgtk_set_monitor_scale_factor);
defsubr (&Sx_file_dialog);
defsubr (&Sx_select_font);
as_status = 0;
as_script = Qnil;