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panel: Don't change text color when entering the overview or lockscreen

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With the introduction of the transparent panel in the overview, we
started making the panel text/icon color slightly brighter in the
overview and on the lockscreen to ensure best contrast. Now
unfortunately, setting the text color incurred a relayout of the
underlying ClutterText actor (fixed with
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1750), and
setting the icon color causes the icon texture to get regenerated
(fixed with
https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/932).
Regenerating the icon texture will replace the icon actor, which also
causes a relayout.

This relayout of the panel has been measured to add at least 1
millisecond (the numbers fluctuated a lot) to about 5 ms it takes to
layout the first frame when showing the overview.

Since https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/932 is
unlikely to land this cycle, this commit proposes a different solution:
Simply don't use a different color for text in the overview. To avoid
issues with contrast in the overview, make the default color slightly
brighter and change it from #ccc to #ddd.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1733>
This commit is contained in:
Jonas Dreßler 2021-03-01 10:21:58 +01:00 committed by Marge Bot
parent 5de9166f7a
commit 3eb40df06b
1 changed files with 2 additions and 4 deletions
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6
data/theme/gnome-shell-sass/widgets/_panel.scss
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@ -3,7 +3,7 @@
$panel_corner_radius: $base_border_radius+1;
$panel_bg_color: #000;
$panel_fg_color: #ccc;
$panel_fg_color: #ddd;
$panel_height: 2.2em;
$panel_transition_duration: 250ms; // same as the overview transition duration
@ -99,8 +99,6 @@ $panel_transition_duration: 250ms; // same as the overview transition duration
&.login-screen,
&:overview {
.panel-button {
color: lighten($fg_color, 3%);
&:hover, &:active, &:overview, &:focus, &:checked {
box-shadow: inset 0 0 0 100px rgba(255, 255, 255, 0.15);
@ -139,4 +137,4 @@ $panel_transition_duration: 250ms; // same as the overview transition duration
#appMenu .panel-status-menu-box {
padding: 0 $base_padding;
spacing: $base_spacing;
}
}