Give lock, PIN, WiFi and dialog windows keyboard focus when they open

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013wi3ZQveYdjfcrEsyazq32

kiosk-app/main.js

@@ -282,6 +282,7 @@ function showLockoutScreen(mode){
   // The boot screen takes the separate boot code when one is set.
   const codeType=(lockoutMode==='boot'&&bootPassword)?bootCodeType:lockoutCodeType;
   lockoutWindow.loadFile(path.join(__dirname,'lockscreen.html'),{query:{type:codeType,mode:lockoutMode}});
+  grabKeyboardFocus(lockoutWindow);
 
   lockoutWindow.on('closed',()=>{
     lockoutWindow=null;
@@ -880,6 +881,27 @@ function returnToHome(){
   markActivity();
 }
 
+// Make a freshly opened dialog/lock window take the physical keyboard.
+// Without this, under a bare window manager (openbox) the new window can
+// show up but keyboard focus stays on the page behind it, so a PIN or
+// password could only be entered by touch / the on-screen keyboard.
+function grabKeyboardFocus(win){
+  const take=()=>{
+    if(!win||win.isDestroyed())return;
+    try{
+      win.show();
+      win.focus();
+      win.webContents.focus();
+    }catch(e){
+      console.log('[FOCUS] Could not focus window:',e.message);
+    }
+  };
+  win.once('ready-to-show',take);
+  win.webContents.once('did-finish-load',take);
+  // Window managers can hand focus elsewhere just after mapping the window.
+  setTimeout(take,300);
+}
+
 function showInactivityPrompt(){
   if(promptWindow&&!promptWindow.isDestroyed())return;
   
@@ -894,6 +916,7 @@ function showInactivityPrompt(){
   });
   
   promptWindow.loadFile(path.join(__dirname,'inactivity-prompt-extended.html'));
+  grabKeyboardFocus(promptWindow);
   
   promptWindow.on('closed',()=>{
     promptWindow=null;
@@ -961,6 +984,7 @@ function showPauseDialog(){
   });
 
   pauseWindow.loadFile(path.join(__dirname,'pause-dialog.html'));
+  grabKeyboardFocus(pauseWindow);
 
   pauseWindow.on('closed',()=>{
     if(pauseWindowTimer){clearTimeout(pauseWindowTimer);pauseWindowTimer=null;}
@@ -1161,6 +1185,7 @@ function showPinEntry(){
   });
 
   pinWindow.loadFile(path.join(__dirname,'pin-entry.html'));
+  grabKeyboardFocus(pinWindow);
   pinWindow.on('closed',()=>{
     if(pinWindowTimer){clearTimeout(pinWindowTimer);pinWindowTimer=null;}
     pinWindow=null;
@@ -1282,6 +1307,7 @@ function showWifiWindow(){
   });
   wifiWindow.setMenu(null);
   wifiWindow.loadFile(path.join(__dirname,'wifi.html'));
+  grabKeyboardFocus(wifiWindow);
   wifiWindow.on('closed',()=>{
     if(wifiIdleTimer){clearTimeout(wifiIdleTimer);wifiIdleTimer=null;}
     wifiWindow=null;