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bug#70697: 30.0.50; Frame parameter alpha-background is ignored for frin
From: |
Po Lu |
Subject: |
bug#70697: 30.0.50; Frame parameter alpha-background is ignored for fringe bitmaps & internal borders |
Date: |
Sat, 15 Jun 2024 19:20:21 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Eli Zaretskii <eliz@gnu.org> writes:
> Ping! How should we proceed with this issue?
>
>> From: Aleksandar Dimitrov <mail@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
{