kenji
82 lines
2.3 KiB
Nix
82 lines
2.3 KiB
Nix
{pkgs, ...}: let
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# Max window size (leave room for waybar/hyprbars)
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maxW = 2800;
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maxH = 1100;
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swayimg-wrapper = pkgs.writeShellScriptBin "swayimg-wrapper" ''
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if [ -z "$1" ]; then
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exec ${pkgs.swayimg}/bin/swayimg
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fi
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# Get image dimensions
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dims=$(${pkgs.file}/bin/file -b "$1" | ${pkgs.gnugrep}/bin/grep -oP '\d+ ?x ?\d+' | head -1 | tr -d ' ')
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if [ -z "$dims" ]; then
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# Fallback if file doesn't report dimensions
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exec ${pkgs.swayimg}/bin/swayimg "$@"
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fi
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imgW=$(echo "$dims" | cut -dx -f1)
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imgH=$(echo "$dims" | cut -dx -f2)
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# Calculate scale to fit within max bounds while preserving aspect ratio
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scaleW=$(echo "scale=4; ${toString maxW} / $imgW" | ${pkgs.bc}/bin/bc)
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scaleH=$(echo "scale=4; ${toString maxH} / $imgH" | ${pkgs.bc}/bin/bc)
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# Use the smaller scale factor
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if [ $(echo "$scaleW < $scaleH" | ${pkgs.bc}/bin/bc) -eq 1 ]; then
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scale=$scaleW
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else
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scale=$scaleH
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fi
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# Only scale down, not up
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if [ $(echo "$scale >= 1" | ${pkgs.bc}/bin/bc) -eq 1 ]; then
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exec ${pkgs.swayimg}/bin/swayimg "$@"
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fi
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# Calculate new size
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newW=$(echo "$imgW * $scale / 1" | ${pkgs.bc}/bin/bc)
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newH=$(echo "$imgH * $scale / 1" | ${pkgs.bc}/bin/bc)
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exec ${pkgs.swayimg}/bin/swayimg --size="$newW,$newH" "$@"
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'';
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in {
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home.packages = [pkgs.swayimg swayimg-wrapper];
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xdg.mimeApps = {
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enable = true;
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defaultApplications = {
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"image/png" = "swayimg-wrapper.desktop";
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"image/jpeg" = "swayimg-wrapper.desktop";
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"image/gif" = "swayimg-wrapper.desktop";
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"image/webp" = "swayimg-wrapper.desktop";
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"image/bmp" = "swayimg-wrapper.desktop";
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"image/svg+xml" = "swayimg-wrapper.desktop";
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"image/tiff" = "swayimg-wrapper.desktop";
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};
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};
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xdg.desktopEntries.swayimg-wrapper = {
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name = "Swayimg";
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exec = "swayimg-wrapper %f";
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terminal = false;
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type = "Application";
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mimeType = ["image/png" "image/jpeg" "image/gif" "image/webp" "image/bmp" "image/svg+xml" "image/tiff"];
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};
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# swayimg config
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xdg.configFile."swayimg/config".text = ''
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[viewer]
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scale = fit
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[info]
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show = no
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'';
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wayland.windowManager.hyprland.settings.windowrule = [
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# --- IMAGE VIEWER (swayimg) ---
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"match:class ^(swayimg)$, float on"
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"match:class ^(swayimg)$, center on"
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];
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}
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