GNU bug report logs -
#70697
30.0.50; Frame parameter alpha-background is ignored for fringe bitmaps & internal borders
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Reported by: Aleksandar Dimitrov <mail <at> aleks.bg>
Date: Wed, 1 May 2024 12:02:02 UTC
Severity: normal
Found in version 30.0.50
Done: Stefan Kangas <stefankangas <at> gmail.com>
Bug is archived. No further changes may be made.
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Ping! Aleksandar, can you please try Po Lu's patch and report back?
> From: Po Lu <luangruo <at> yahoo.com>
> Cc: Aleksandar Dimitrov <mail <at> aleks.bg>, 70697 <at> debbugs.gnu.org
> Date: Sat, 15 Jun 2024 19:20:21 +0800
>
> Eli Zaretskii <eliz <at> gnu.org> writes:
>
> > Ping! How should we proceed with this issue?
> >
> >> From: Aleksandar Dimitrov <mail <at> aleks.bg>
>
> Alexander, is there something suspicious as to your mail host that is
> prompting mine to discard your responses? They aren't even classified
> Bulk Mail, just quietly disposed of.
>
> >> Welp, I never said I'm good at this :D
> >> I didn't know there was a difference between the --with-toolkit and
> >> --with-x-toolkit options. The former isn't documented in ./configure
> >> --help, it seems. I've opted to only use --with-x-toolkit from now on.
> >>
> >> I have conducted some experiments now:
> >> --with-x-toolkit=lucid & your patch:
> >> No transparency support.
> >>
> >> --with-x-toolkit=gtk3 & your patch:
> >> Transparency in fringes works.
> >> Internal borders are NOT transparent.
> >> This is identical to my previous test with --with-toolkit=lucid, which
> >> wasn't doing what I expected it to.
> >>
> >> --with-pgtk & your patch:
> >> Transparency in fringes DOES NOT work
> >> Internal borders ARE transparent
> >> (also, Emacs is very slow, e.g. when rendering company popups, but
> >> that's unrelated)
> >>
> >> All of these tests are conducted with the above Emacs version and on
> >> Wayland.
>
> Yes, thanks. Please try the patch attached: its effect should be to
> homogenize PGTK's display with the X port's.
>
> diff --git a/src/pgtkterm.c b/src/pgtkterm.c
> index 49b7ea406f8..e379ed33c01 100644
> --- a/src/pgtkterm.c
> +++ b/src/pgtkterm.c
> @@ -3594,20 +3594,7 @@ pgtk_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
> pgtk_clip_to_row (w, row, ANY_AREA, cr);
>
> if (p->bx >= 0 && !p->overlay_p)
> - {
> - /* In case the same realized face is used for fringes and for
> - something displayed in the text (e.g. face `region' on
> - mono-displays, the fill style may have been changed to
> - FillSolid in pgtk_draw_glyph_string_background. */
> - if (face->stipple)
> - fill_background_by_face (f, face, p->bx, p->by, p->nx, p->ny);
> - else
> - {
> - pgtk_set_cr_source_with_color (f, face->background, true);
> - cairo_rectangle (cr, p->bx, p->by, p->nx, p->ny);
> - cairo_fill (cr);
> - }
> - }
> + fill_background_by_face (f, face, p->bx, p->by, p->nx, p->ny);
>
> if (p->which
> && p->which < max_fringe_bmp
> @@ -5014,14 +5001,16 @@ pgtk_clear_under_internal_border (struct frame *f)
>
> if (face)
> {
> - fill_background_by_face (f, face, 0, margin, width, border);
> - fill_background_by_face (f, face, 0, 0, border, height);
> - fill_background_by_face (f, face, width - border, 0, border,
> - height);
> - fill_background_by_face (f, face, 0, (height
> - - bottom_margin
> - - border),
> - width, border);
> + pgtk_fill_rectangle (f, face->foreground, 0, margin, width,
> + border, false);
> + pgtk_fill_rectangle (f, face->foreground, 0, 0, border, height,
> + false);
> + pgtk_fill_rectangle (f, face->foreground, width - border, 0,
> + border, height, false);
> + pgtk_fill_rectangle (f, face->foreground, 0, (height
> + - bottom_margin
> + - border),
> + width, border, false);
> }
> else
> {
>
This bug report was last modified 143 days ago.
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