add tip for saving changes before exiting widget layout editor

VoidLink/Base.lproj/iPad.storyboard

@@ -2637,7 +2637,6 @@
                                                 </state>
                                                 <connections>
                                                     <action selector="closeTapped:" destination="xSZ-i2-Jts" eventType="touchUpInside" id="sc6-Mq-rbQ"/>
-                                                    <action selector="undoTapped:" destination="xSZ-i2-Jts" eventType="touchUpInside" id="d4b-0R-vJU"/>
                                                 </connections>
                                             </button>
                                             <button autoresizesSubviews="NO" opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="F7X-l4-cl3" userLabel="Undo">
@@ -3977,19 +3976,19 @@
         <image name="tray.full.fill" catalog="system" width="128" height="88"/>
         <image name="video.and.waveform" catalog="system" width="128" height="94"/>
         <systemColor name="linkColor">
-            <color red="0.0" green="0.47843137250000001" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <color red="0.0" green="0.47843137254901963" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
         <systemColor name="systemBackgroundColor">
             <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
         </systemColor>
         <systemColor name="systemBrownColor">
-            <color red="0.63529411759999999" green="0.51764705879999995" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <color red="0.67450980392156867" green="0.49803921568627452" blue="0.36862745098039218" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
         <systemColor name="systemGray3Color">
-            <color red="0.78039215689999997" green="0.78039215689999997" blue="0.80000000000000004" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <color red="0.7803921568627451" green="0.7803921568627451" blue="0.80000000000000004" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
         <systemColor name="systemTealColor">
-            <color red="0.18823529410000001" green="0.69019607839999997" blue="0.78039215689999997" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <color red="0.0" green="0.76470588235294112" blue="0.81568627450980391" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
     </resources>
 </document>

VoidLink/Localization/Localizable.xcstrings

@@ -5978,6 +5978,35 @@
         }
       }
     },
+    "Exit Directly" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Exit Directly"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "直接退出"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "直接退出"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "直接退出"
+          }
+        }
+      }
+    },
     "Cannot select two touchpad controls at the same time" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -16411,6 +16440,64 @@
         }
       }
     },
+    "Save Changes" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Save Changes"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "保存修改"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "儲存修改"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "儲存修改"
+          }
+        }
+      }
+    },
+    "Save changes before closing?" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Save changes before closing?"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "关闭前是否保存修改？"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "關閉前是否儲存修改？"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "關閉前是否儲存修改？"
+          }
+        }
+      }
+    },
     "Saving over the 'Default' profile is not allowed" : {
       "extractionState" : "manual",
       "localizations" : {

VoidLink/ViewControllers/CustomOSCViewControl/LayoutOnScreenControlsViewController.swift

@@ -208,6 +208,7 @@ final class LayoutOnScreenControlsViewController: UIViewController, OnScreenWidg
     private var latestTouchLocation: CGPoint = .zero
     private var vibrationGenerator = UIImpactFeedbackGenerator(style: .medium)
     private var widgetSizeTransition: WidgetSizeTransition = .keepWidgetSize
+    private var hasSavedSinceLastWidgetReload = false
 
     override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
         let dataMan = DataManager()
@@ -390,6 +391,7 @@ final class LayoutOnScreenControlsViewController: UIViewController, OnScreenWidg
             }
             
             self.loadWidgets(from: oscProfile)
+            self.hasSavedSinceLastWidgetReload = false
 
             if !self.quickSwitchEnabled {
                 self.originalTrackPointEnabled = OnScreenWidgetView.trackPointEnabled
@@ -1158,6 +1160,31 @@ final class LayoutOnScreenControlsViewController: UIViewController, OnScreenWidg
     }
 
     @IBAction func closeTapped(_ sender: Any?) {
+        guard profilesManager.getSelectedProfile().name != "Default",
+              !hasSavedSinceLastWidgetReload else {
+            dismissLayoutEditor()
+            return
+        }
+
+        AlertControllerUtil.cancelButtonString = "Exit Directly".localized
+        AlertControllerUtil.showAlert(
+            in: self,
+            title: "Save Changes".localized,
+            message: "Save changes before closing?".localized,
+            withCancel: true,
+            buttonTitle: "Save".localized,
+            countdown: 0,
+            completion: { [weak self] in
+                guard let self else { return }
+                if !AlertControllerUtil.actionCancelled {
+                    self.saveTapped(nil)
+                }
+                self.dismissLayoutEditor()
+            }
+        )
+    }
+
+    private func dismissLayoutEditor() {
         clearSickInput()
         dismiss(animated: true) {
             OnScreenWidgetView.trackPointEnabled = self.originalTrackPointEnabled
@@ -1573,6 +1600,7 @@ final class LayoutOnScreenControlsViewController: UIViewController, OnScreenWidg
         clearSickInput()
         OSCProfilesManager.setLayoutViewBounds(view.bounds)
         let success = profilesManager.updateSelectedProfile(layoutOSC.oscButtonLayerPool)
+        hasSavedSinceLastWidgetReload = success
         guard sender != nil else { return }
         let message = success
             ? LocalizationHelper.localizedString(forKey: "profileSaveTip")