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I am having a problem at configuring my Rofi theme for my Arch Linux. I downloaded the material theme from https://github.com/davatorium/rofi-them … r%20Themes and selected it with rofi-theme-selector, but it does not show the same way as per the description.
In particular, I cannot read the entries from the menu because of the colors being wrongly set (black on dark blue).
Further info:
    OS: Arch Linux
    WM: i3
Could you please help me? Thanks in advance.
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There's neither black nor dark blue in the shot of the theme - maybe link a screenshot of your system so that people get what you're actually seeing.
(Don't post a oversized image, just the link)
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Please find it here
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That's the material scheme, but there's nothing in the upstream .rasi that would explain the color
Does
rofi -theme material.rasi -show runlook ok?
If not, what's the output of
strace rofi -theme material.rasi -show run 2>&1 | grep materialand what does the opened file look like?
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The output does not look OK in either way.
This is the output of strace:
execve("/usr/bin/rofi", ["rofi", "-theme", "material.rasi", "-show", "run"], 0x7ffe7a41d890 /* 36 vars */) = 0
access("/usr/share/rofi/themes/material.rasi", F_OK) = 0
openat(AT_FDCWD, "/usr/share/rofi/themes/material.rasi", O_RDONLY) = 6
access("material.rasi", F_OK)           = -1 ENOENT (No such file or directory)
access("/home/archuser/.config/rofi/themes/material.rasi", F_OK) = -1 ENOENT (No such file or directory)
access("/home/archuser/.config/rofi/material.rasi", F_OK) = -1 ENOENT (No such file or directory)
access("/home/archuser/.local/share/rofi/themes/material.rasi", F_OK) = -1 ENOENT (No such file or directory)
access("/usr/share/rofi/themes/material.rasi", F_OK) = 0
openat(AT_FDCWD, "/usr/share/rofi/themes/material.rasi", O_RDONLY) = 5Offline

And what is the content of /usr/share/rofi/themes/material.rasi ?
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This is the content of /usr/share/rofi/themes/material.rasi:
/*
 * ROFI color theme
 *
 * Based on Base16 Material Color Scheme (https://github.com/ntpeters/base16-materialtheme-scheme)
 *
 * User: Tomaszal
 * Copyright: Tomas Zaluckij
 */
* {
	base00: #263238;
	base01: #2E3C43;
	base02: #314549;
	base03: #546E7A;
	base04: #B2CCD6;
	base05: #EEFFFF;
	base06: #EEFFFF;
	base07: #FFFFFF;
	base08: #F07178;
	base09: #F78C6C;
	base0A: #FFCB6B;
	base0B: #C3E88D;
	base0C: #89DDFF;
	base0D: #82AAFF;
	base0E: #C792EA;
	base0F: #FF5370;
	/*base0D: #00BCD4;*/
	spacing: 0;
	background-color: transparent;
	font: "Roboto Mono 13";
}
window {
	transparency: "real";
	/*fullscreen: true;*/
	background-color: #263238CC; /*base00 + CC (80% opacity)*/
}
mainbox {
	children: [inputbar, message, mode-switcher, listview];
	spacing: 30px;
	/*margin: 20%;*/
	padding: 30px 0;
	border: 1px;
	border-color: @base0D;
}
inputbar {
	padding: 0 30px;
	children: [prompt, textbox-prompt-colon, entry, case-indicator];
}
prompt {
	text-color: @base0D;
}
textbox-prompt-colon {
	expand: false;
	str: ":";
	margin: 0 1ch 0 0;
	text-color: @base0D;
}
entry {
	text-color: @base07;
}
case-indicator {
	text-color: @base0F;
}
mode-switcher, message {
	border: 1px 0;
	border-color: @base0D;
}
button, textbox {
	background-color: @base03;
	text-color: @base07;
	padding: 5px;
}
button selected {
	background-color: @base0D;
}
listview {
	scrollbar: true;
	margin: 0 10px 0 30px;
}
scrollbar {
	background-color: @base03;
	handle-color: @base0D;
	handle-width: 10px;
	border: 0 1px;
	border-color: @base0D;
	margin: 0 0 0 20px;
}
element {
	padding: 5px;
	highlight: bold underline;
}
element normal {
	background-color: transparent;
}
element selected {
	background-color: @base0D;
}
element alternate {
	/*background-color: @base03;*/
}
element normal normal, element selected normal, element alternate normal {
	text-color: @base07;
}
element normal urgent, element selected urgent, element alternate urgent {
	text-color: @base0F;
}
element normal active, element selected active, element alternate active {
	text-color: @base0B;
}Offline

That's the upstream file - do you run a compositor next to i3 (picom)?
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Yes, this is from i3 config:
...
exec_always picom -f
...Offline

Glx or xrender? Somewhere in the back of my mind there was a shader bug (maybe related to blurring, though your scrot doesn't look like that)
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I didn't install either of them. I'm still in the post-installation phase.
Should I install any to have it work?
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What?
picom defaults to the xrender backend but you can configure it to use glx (and enable blurring and stuff like this)
Is picom running right now ("pidof picom")?
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This is the PID of picom:
452I did not configure it to use glx.
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