Install: Add qalc and qalculate

home/.config/rofi/scripts/qalc.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+# https://github.com/onespaceman/menu-calc
+# https://github.com/BarbUk/menu-qalc
+# https://github.com/ClemaX/menu-qalc-wayland
+#
+# Calculator for use with rofi
+# Copying to the clipboard requires wl-copy
+
+usage() {
+  echo "$(tput bold)menu-calc$(tput sgr0)"
+  echo "A calculator for Rofi"
+  echo
+  echo "$(tput bold)Usage:$(tput sgr0)"
+  echo "    = 4+2"
+  echo "    = (4+2)/(4+3)"
+  echo "    = 4^2"
+  echo "    = sqrt(4)"
+  echo "    = c(2)"
+  echo
+  echo "$(tput bold)Passing arguments to Rofi:$(tput sgr0)"
+  echo "Any parameters after ' -- ' will be passed to Rofi."
+  echo
+  echo "    = -- <Rofi args>"
+  echo
+  echo "The answer can be copied to the clipboard and used for further calculations inside (or outside) Rofi."
+  echo
+  echo "If launched outside of Rofi the expression may need quotation marks."
+  exit
+}
+
+process_query() { # query
+  local query="$1"
+
+  qalc +u8 -color=never -terse <<<"$query" |
+    awk '!/^>/ && !/^$/ {gsub(/^[ \t]+|[ \t]+$/, "", $0); print}'
+}
+
+# Process CLI parameters
+for var in "$@"; do
+  case $var in
+  -h | --help) usage ;;
+  --) break ;;
+  esac
+done
+
+# Path to menu application
+if [[ -n $(command -v rofi) ]]; then
+  menu="$(command -v rofi)"
+  menu="$menu -dmenu -lines 3"
+else
+  >&2 echo "Rofi not found"
+  exit
+fi
+
+# Determine args to pass to rofi
+while [[ $# -gt 0 && $1 != "--" ]]; do
+  shift
+done
+[[ $1 == "--" ]] && shift
+
+while true; do
+  action=$(echo -e "Copy\nClear\nClose" | ${menu} "$@" -p "= $answer")
+
+  case "$action" in
+  "Clear") answer= ;;
+  "Copy") wl-copy -- "$answer" ;;
+  "Close" | "") exit ;;
+  *) answer=$(process_query "$answer $action") ;;
+  esac
+done

home/.config/sway/config

@@ -77,7 +77,10 @@ input "2362:628:PIXA3854:00_093A:0274_Touchpad" {
     bindsym $mod+Tab exec rofi -show window -modes window
 
     # Clipboard history
-    bindsym $mod+Shift+v exec /home/tgrosinger/.dotfiles/bin/linux/rofi-copyq.sh
+    bindsym $mod+Shift+v exec /home/tgrosinger/.config/rofi/scripts/copyq.sh
+
+    # Calculator
+    bindsym $mod+Equal exec /home/tgrosinger/.config/rofi/scripts/qalc.sh
 
     # Lazygit
     bindsym $mod+g exec alacritty --title Floating-Lazygit --command /home/linuxbrew/.linuxbrew/bin/lazygit; grab_focus; floating enable

install-packages.sh

@@ -55,7 +55,8 @@ sudo dnf install \
   distrobox \
   fuse-libs \ # For running appimages
   gstreamer1-plugin-openh264 mozilla-openh264 \ # For twitch videos
-  podman
+  podman \
+  qalculate qalculate-gtk # Homebrew version installs x11 and waylany in brew.
 
 # Install tailscale
 # https://tailscale.com/kb/1511/install-fedora-2