improve:手掌擦

2025-07-23 23:12:37 +08:00
parent e4dc1c0b4e
commit 4755eb06e2
1 changed files with 12 additions and 0 deletions
@@ -223,6 +223,7 @@ namespace Ink_Canvas {
        private bool isPalmEraserActive = false;
        private InkCanvasEditingMode palmEraserLastEditingMode = InkCanvasEditingMode.Ink;
        private bool palmEraserLastIsHighlighter = false;
+        private bool palmEraserWasEnabledBeforeMultiTouch = false;

        private void inkCanvas_PreviewTouchDown(object sender, TouchEventArgs e) {
            // 橡皮状态下不做任何切换，直接return，保证橡皮可持续
@@ -447,6 +448,12 @@ namespace Ink_Canvas {
                }
                inkCanvas.Children.Clear();
                isInMultiTouchMode = false;
+                // 关闭多指书写时，恢复手掌擦开关
+                if (palmEraserWasEnabledBeforeMultiTouch) {
+                    Settings.Canvas.EnablePalmEraser = true;
+                    if (ToggleSwitchEnablePalmEraser != null)
+                        ToggleSwitchEnablePalmEraser.IsOn = true;
+                }
            }
        }

@@ -466,6 +473,11 @@ namespace Ink_Canvas {
                }
                inkCanvas.Children.Clear();
                isInMultiTouchMode = true;
+                // 启用多指书写时，自动禁用手掌擦
+                palmEraserWasEnabledBeforeMultiTouch = Settings.Canvas.EnablePalmEraser;
+                Settings.Canvas.EnablePalmEraser = false;
+                if (ToggleSwitchEnablePalmEraser != null)
+                    ToggleSwitchEnablePalmEraser.IsOn = false;
            }
        }
    }