macos muscle memory

config/desktop-common.sh

@@ -2,11 +2,16 @@
 # Shared ground truth for the desktop sets — gnome, kde and xfce.
 #
 # Those three sets say the same things to three completely different
-# backends (gsettings, kwriteconfig, xfconf-query), so there's no code worth
-# sharing between them. What *is* worth sharing is the decision behind the
-# code: which settings this repo has an opinion about, and what that opinion
-# is. Without that written down once, adding a setting to one desktop and
-# forgetting the other two is invisible.
+# backends (gsettings, kwriteconfig, xfconf-query), so there's little code
+# worth sharing between them. What *is* worth sharing is the decision behind
+# the code: which settings this repo has an opinion about, and what that
+# opinion is. Without that written down once, adding a setting to one desktop
+# and forgetting the other two is invisible.
+#
+# The one exception is install_alt_cv_remap below: it's evdev-level (via
+# keyd), below X11/Wayland and every desktop's own config backend, so the
+# shell to apply it is identical for all three and lives here once instead
+# of being copy-pasted three times.
 #
 # So: every setting all three desktops are expected to cover gets an entry in
 # DESKTOP_INTENTS below, and each apply.sh marks where it handles it with a
@@ -40,4 +45,44 @@ DESKTOP_INTENTS=(
     "no-automount:Removable devices are not automounted"
     "editable-path-bar:File dialogs offer an editable path entry, not breadcrumbs"
     "dark-theme:A dark colour scheme"
+    "alt-cvr-as-ctrl-cvr:Alt+C/V/R send Ctrl+C/V/R, system-wide"
 )
+
+# Installs keyd (if missing) and points it at a config that remaps Alt+C to
+# Ctrl+C, Alt+V to Ctrl+V, and Alt+R to Ctrl+R, system-wide. This is below
+# any window system, so it's the same on every desktop (and every
+# Wayland/X11 session on it) — called by each desktop's apply.sh under its
+# own "# intent: alt-cvr-as-ctrl-cvr" marker.
+install_alt_cvr_remap() {
+    if ! command -v keyd >/dev/null 2>&1; then
+        if [ -f /etc/arch-release ]; then
+            sudo pacman -S --noconfirm keyd
+        elif [ -f /etc/debian_version ]; then
+            export DEBIAN_FRONTEND=noninteractive
+            sudo apt update && sudo apt install -y keyd
+        elif [ -f /etc/alpine-release ]; then
+            sudo apk add keyd
+        elif [ -f /etc/redhat-release ]; then
+            sudo dnf install -y keyd
+        elif [ -f /etc/gentoo-release ]; then
+            sudo emerge app-misc/keyd
+        else
+            echo "Warning: don't know how to install keyd on this system; install it manually." >&2
+            return 1
+        fi
+    fi
+
+    sudo mkdir -p /etc/keyd
+    sudo tee /etc/keyd/dotfiles-alt-cvr.conf >/dev/null <<'EOF'
+[ids]
+*
+
+[alt]
+c = C-c
+v = C-v
+r = C-r
+EOF
+
+    sudo systemctl enable --now keyd >/dev/null 2>&1 || true
+    sudo keyd reload || true
+}

config/sets/gnome/apply.sh

@@ -40,6 +40,10 @@ gset org.gnome.desktop.peripherals.keyboard repeat-interval "$(( 1000 / KEY_REPE
 # Behavior.
 gset org.gnome.desktop.input-sources xkb-options "['caps:escape']"
 
+# intent: alt-cvr-as-ctrl-cvr
+# Evdev-level, via keyd; see install_alt_cvr_remap in desktop-common.sh.
+install_alt_cvr_remap
+
 # intent: no-screen-lock
 # Settings > Privacy & Security > Screen Lock.
 gset org.gnome.desktop.screensaver lock-enabled false

config/sets/gnome/description

@@ -1,3 +1,4 @@
-GNOME: keyboard repeat rate 50/s + 250ms delay, Caps Lock as Escape, screen
-locking and idle display dim/off disabled, device automounting disabled,
-editable path bar in file dialogs, dark color scheme
+GNOME: keyboard repeat rate 50/s + 250ms delay, Caps Lock as Escape, Alt+C/
+Alt+V/Alt+R as Ctrl+C/Ctrl+V/Ctrl+R, screen locking and idle display dim/off
+disabled, device automounting disabled, editable path bar in file dialogs,
+dark color scheme

config/sets/kde/apply.sh

@@ -43,6 +43,10 @@ fi
 "$kwriteconfig" --file kxkbrc --group Layout --key Options "caps:escape"
 "$kwriteconfig" --file kxkbrc --group Layout --key ResetOldOptions true
 
+# intent: alt-cvr-as-ctrl-cvr
+# Evdev-level, via keyd; see install_alt_cvr_remap in desktop-common.sh.
+install_alt_cvr_remap
+
 # intent: no-screen-lock
 # System Settings > Screen Locking.
 "$kwriteconfig" --file kscreenlockerrc --group Daemon --key Autolock false

config/sets/kde/description

@@ -1,3 +1,4 @@
 KDE Plasma: keyboard repeat rate 50/s + 250ms delay, Caps Lock as Escape,
-screen locking and idle display dim/off disabled, device automounter
-disabled, Dolphin menu bar hidden + editable path bar, Breeze Dark theme
+Alt+C/Alt+V/Alt+R as Ctrl+C/Ctrl+V/Ctrl+R, screen locking and idle display
+dim/off disabled, device automounter disabled, Dolphin menu bar hidden +
+editable path bar, Breeze Dark theme

config/sets/xfce/apply.sh

@@ -64,6 +64,10 @@ X-GNOME-Autostart-enabled=true
 EOF
 fi
 
+# intent: alt-cvr-as-ctrl-cvr
+# Evdev-level, via keyd; see install_alt_cvr_remap in desktop-common.sh.
+install_alt_cvr_remap
+
 # --- Screen locking & power --------------------------------------------
 
 # intent: no-screen-lock

config/sets/xfce/description

@@ -1,5 +1,5 @@
-XFCE: keyboard repeat rate 50/s + 250ms delay, Caps Lock as Escape, screen
-locking and idle display dim/off disabled, device automounting disabled,
-editable path bar in Thunar and GTK file dialogs, dark theme, second panel
-removed and the primary panel moved to the bottom, plus Kitty installed and
-set as the default terminal
+XFCE: keyboard repeat rate 50/s + 250ms delay, Caps Lock as Escape, Alt+C/
+Alt+V/Alt+R as Ctrl+C/Ctrl+V/Ctrl+R, screen locking and idle display dim/off
+disabled, device automounting disabled, editable path bar in Thunar and GTK
+file dialogs, dark theme, second panel removed and the primary panel moved
+to the bottom, plus Kitty installed and set as the default terminal