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x11: window icon had red/blue channels swapped

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closes: #1754
closes: #1755
This commit is contained in:
Wez Furlong 2022-03-23 07:01:26 -07:00
parent 5c8ff787c6
commit 623f617951
3 changed files with 18 additions and 1 deletions
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1
docs/changelog.md
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@ -16,6 +16,7 @@ As features stabilize some brief notes about them will accumulate here.
#### Updated and Improved
#### Fixed
* Incorrect csi-u encoding with non-ascii characters. [#1746](https://github.com/wez/wezterm/issues/1746)
* X11 `_NET_WM_ICON` had red/blue channels swapped [#1754](https://github.com/wez/wezterm/issues/1754)
### 20220319-142410-0fcdea07

11
test-data/extract-x11-icon.sh Executable file
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@ -0,0 +1,11 @@
#!/bin/sh
xprop -notype 32c _NET_WM_ICON |
perl -0777 -pe '@_=/\d+/g;
printf "P7\nWIDTH %d\nHEIGHT %d\nDEPTH 4\nMAXVAL 255\nTUPLTYPE RGB_ALPHA\nENDHDR\n", splice@_,0,2;
$_=pack "N*", @_;
s/(.)(...)/$2$1/gs' > /tmp/icon.pam
convert /tmp/icon.pam /tmp/icon.png
wezterm imgcat /tmp/icon.png

7
window/src/os/x11/window.rs
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@ -1057,7 +1057,12 @@ impl XWindowInner {
let mut icon_data = Vec::with_capacity((2 + (width * height)) * 4);
icon_data.push(width as u32);
icon_data.push(height as u32);
icon_data.extend_from_slice(image.pixels());
// `BitmapImage` is rgba32, so we need to munge to get argb32.
// We also need to put the data into big endian format.
for pixel in image.pixels() {
let [r, g, b, a] = pixel.to_ne_bytes();
icon_data.push(u32::from_be_bytes([a, r, g, b]));
}
xcb_util::ewmh::set_wm_icon(
self.conn().ewmh_conn(),