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Re: Sv: Sv: Support for background transparency
From: |
Håkon Flatval |
Subject: |
Re: Sv: Sv: Support for background transparency |
Date: |
Sun, 23 Jan 2022 22:43:04 +0100 |
User-agent: |
mu4e 1.6.10; emacs 27.2 |
> - Something answering the question: "what's the difference between
> this and the existing 'alpha frame parameter",
I added paragraph after that for alpha with a brief description.
I have included it in the attached patch. For convenience, I'm
reciting the relevant part here:
====
diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index 2eeb8b7ed7..05d0b1a72a 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -2433,6 +2433,16 @@ Font and Color Parameters
Some window systems do not support the @code{alpha} parameter for child
frames (@pxref{Child Frames}).
+
+@vindex alpha-background@r{, a frame parameter}
+@item alpha-background
+@cindex opacity, frame
+@cindex transparency, frame
+Sets the background transparency of the frame. Unlike the @code{alpha}
+frame parameter, this only controls the transparency of the background
+while keeping foreground elements such as text fully opaque.
+It should be an integer between 0 and 100, where 0 means
+completely transparent and 100 means completely opaque (default).
@end table
The following frame parameters are semi-obsolete in that they are
====
Please let me know if this is what you had in mind or if I should revise
it.
> - a commit message containing a description of the changes in
> ChangeLog format
I have attached a file with a changelog entry. I'm also giving it here
for convenience:
====
2022-01-23 Håkon Flatval <hkon20@hotmail.com>
Add support for background transparency
* src/haikufns.c:
* src/nsfns.m:
* src/pgtkfns.c:
* src/w32fns.c:
* src/xfns.c: Add alpha-background frame parameter defaults. Prefer to
use 32-bit depth visual in X.
* src/frame.h:
* src/frame.c: Add alpha-background frame parameter and setter function.
* src/gtkutil.c: Setup GTK to allow transparency.
* src/xterm.c: Draw background transparent using alpha-background frame
parameter.
* doc/lispref/frames.texi: Add docs for alpha-background frame parameter
====
Let me know if it needs changes.
I'm a little confused as to where I should put this. Should I add it to
one of the Changelog files?
Best regards,
Håkon
gdk-cairo-background-transparency-007.patch
Description: Text Data
alpha-background-changelog
Description: Binary data
- Re: Sv: Sv: Sv: Support for background transparency, (continued)
- Re: Sv: Sv: Sv: Support for background transparency, Po Lu, 2022/01/25
- Re: Sv: Sv: Sv: Support for background transparency, Robert Pluim, 2022/01/26
- Re: Sv: Sv: Sv: Support for background transparency, Håkon Flatval, 2022/01/26
- Re: Sv: Sv: Sv: Support for background transparency, Po Lu, 2022/01/26
- Re: Sv: Sv: Sv: Support for background transparency, Håkon Flatval, 2022/01/28
- Re: Sv: Sv: Sv: Support for background transparency, Po Lu, 2022/01/28
Re: Sv: Sv: Support for background transparency, Robert Pluim, 2022/01/20
- Re: Sv: Sv: Support for background transparency,
Håkon Flatval <=
- Re: Sv: Sv: Support for background transparency, Robert Pluim, 2022/01/24
- Re: Sv: Sv: Support for background transparency, Håkon Flatval, 2022/01/25
- Re: Sv: Sv: Support for background transparency, Robert Pluim, 2022/01/25
- Re: Sv: Sv: Support for background transparency, Po Lu, 2022/01/29
- Re: Sv: Sv: Support for background transparency, Håkon Flatval, 2022/01/29
- Re: Sv: Sv: Support for background transparency, Po Lu, 2022/01/29