Customize installer

Makefile

@@ -38,6 +38,10 @@ test:
 package:
 	mvn clean package
 
+.PHONY: runx
+runx:
+	./src/main/shell/run-electron-app-in-xorg
+
 .PHONY: ssl
 ssl:
 	mkdir -p local

package.json

@@ -4,7 +4,7 @@
   "description": "Electron wrapper for the Imgfloat overlay",
   "main": "app.js",
   "build": {
-    "appId": "dev.kruhlmann.imgfloat.overlay",
+    "appId": "dev.kruhlmann.imgfloat",
     "productName": "Imgfloat",
     "files": [ "src/main/node/app.js" ],
     "asar": false,
@@ -18,6 +18,15 @@
       "target": ["nsis"]
       "icon": "assets/icon/appicon.ico"
     },
+    "nsis": {
+      "oneClick": true,
+      "perMachine": true,
+      "allowElevation": true,
+      "allowToChangeInstallationDirectory": true,
+      "createDesktopShortcut": true,
+      "createStartMenuShortcut": true,
+      "shortcutName": "Imgfloat"
+    },
     "mac": {
       "category": "public.app-category.productivity"
       "icon": "assets/icon/macos.icns"

shell.nix

@@ -2,14 +2,16 @@
 
 pkgs.mkShell {
   packages = [
-    pkgs.openssl
     pkgs.electron
-    pkgs.openjdk
-    pkgs.maven
-    pkgs.nodejs
-    pkgs.nodePackages.prettier
     pkgs.jdt-language-server
+    pkgs.maven
     pkgs.mkcert
+    pkgs.nodePackages.prettier
+    pkgs.nodejs
     pkgs.nss
+    pkgs.openbox
+    pkgs.openjdk
+    pkgs.openssl
+    pkgs.xorg.xorgserver
   ];
 }

src/main/node/app.js

@@ -15,7 +15,7 @@ function createWindow() {
         icon: path.join(__dirname, "../resources/assets/icon/appicon.ico"),
         webPreferences: { backgroundThrottling: false },
     });
-    win.setMenu(null);
+    applicationWindow.setMenu(null);
 
     let canvasSizeInterval;
     const clearCanvasSizeInterval = () => {

src/main/shell/run-electron-app-in-xorg

@@ -0,0 +1,46 @@
+#!/usr/bin/env sh
+set -eu
+
+APP_ENTRY="src/main/node/app.js"
+SCREEN="1280x800"
+
+for d in 99 98 97 96 95; do
+    if ! xdpyinfo -display ":$d" >/dev/null 2>&1; then
+        DISP="$d"
+        break
+    fi
+done
+
+[ -n "${DISP:-}" ] || {
+    echo "No free DISPLAY found" >&2
+    exit 1
+}
+
+echo "Using DISPLAY=:$DISP"
+
+Xephyr ":$DISP" -screen "$SCREEN" -resizeable -ac &
+XEPHYR_PID=$!
+
+cleanup() {
+    kill "$ELECTRON_PID" "$OPENBOX_PID" "$XEPHYR_PID" 2>/dev/null || true
+}
+trap cleanup EXIT INT TERM
+
+sleep 1
+
+DISPLAY=":$DISP" openbox &
+OPENBOX_PID=$!
+
+sleep 0.5
+
+DISPLAY=":$DISP" electron "$APP_ENTRY" &
+ELECTRON_PID=$!
+
+# monitor X server — when it dies, kill Electron
+while kill -0 "$XEPHYR_PID" 2>/dev/null; do
+    sleep 0.5
+done
+
+echo "Xephyr exited — killing Electron"
+kill "$ELECTRON_PID" 2>/dev/null || true
+wait "$ELECTRON_PID" 2>/dev/null || true