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Suppress Pango's bidi, by displaying RTL characters one at a time. I

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hadn't previously noticed, but Pango was helpfully re-reversing text
that PuTTY's own bidi module had already reversed, leading to Arabic
text being wrongly displayed and also total chaos when you move the
cursor over it or try to cut and paste it.

[originally from svn r9294]
This commit is contained in:
Simon Tatham 2011-09-16 19:18:58 +00:00
parent 92688ff47b
commit 218f3ffded
1 changed files with 36 additions and 27 deletions
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9
unix/gtkfont.c
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@ -1114,6 +1114,13 @@ static void pangofont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
clen++;
n = 1;
/*
* If it's a right-to-left character, we must display it on
* its own, to stop Pango helpfully re-reversing our already
* reversed text.
*/
if (!is_rtl(string[0])) {
/*
* See if that character has the width we expect.
*/
@ -1142,6 +1149,7 @@ static void pangofont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
}
}
}
}
pango_layout_set_text(layout, utfptr, clen);
pango_layout_get_pixel_extents(layout, NULL, &rect);
@ -1153,6 +1161,7 @@ static void pangofont_draw_text(GdkDrawable *target, GdkGC *gc, unifont *font,
utflen -= clen;
utfptr += clen;
string += n;
x += n * cellwidth;
}