From fbb84fe16b0b3b35267a01e97384598a1cef62b3 Mon Sep 17 00:00:00 2001
From: Gary Gan <gan.fang.yi@foxmail.com>
Date: Mon, 24 Nov 2025 13:49:03 +0800
Subject: [PATCH] fix bug: DrawingCanvas.prefWidth : A bound value cannot be
 set.

---
 .idea/misc.xml                                  |  2 +-
 .../dev/bytevibe/hyperpoint/Controller.java     |  8 +++++---
 .../dev/bytevibe/hyperpoint/DrawingCanvas.java  | 17 +++++++++++++----
 3 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 4878ef2..58ead8c 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_24" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/dev/bytevibe/hyperpoint/Controller.java b/src/main/java/dev/bytevibe/hyperpoint/Controller.java
index 47c9a69..e650f6a 100644
--- a/src/main/java/dev/bytevibe/hyperpoint/Controller.java
+++ b/src/main/java/dev/bytevibe/hyperpoint/Controller.java
@@ -133,9 +133,11 @@ public class Controller implements Initializable {
             drawingCanvas = new DrawingCanvas(pageContent);
             drawingCanvasContainer.getChildren().add(drawingCanvas);
 
-            // 绑定Canvas大小到容器
-            drawingCanvas.prefWidthProperty().bind(drawingCanvasContainer.widthProperty());
-            drawingCanvas.prefHeightProperty().bind(drawingCanvasContainer.heightProperty());
+            // 使用AnchorPane的约束来填充容器
+            AnchorPane.setTopAnchor(drawingCanvas, 0.0);
+            AnchorPane.setLeftAnchor(drawingCanvas, 0.0);
+            AnchorPane.setRightAnchor(drawingCanvas, 0.0);
+            AnchorPane.setBottomAnchor(drawingCanvas, 0.0);
 
             // 创建属性面板
             propertyPanelComponent = new PropertyPanel(drawingCanvas);
diff --git a/src/main/java/dev/bytevibe/hyperpoint/DrawingCanvas.java b/src/main/java/dev/bytevibe/hyperpoint/DrawingCanvas.java
index ac1fae1..27382a6 100644
--- a/src/main/java/dev/bytevibe/hyperpoint/DrawingCanvas.java
+++ b/src/main/java/dev/bytevibe/hyperpoint/DrawingCanvas.java
@@ -1,10 +1,8 @@
 package dev.bytevibe.hyperpoint;
 
-import javafx.geometry.Bounds;
 import javafx.scene.canvas.Canvas;
 import javafx.scene.canvas.GraphicsContext;
 import javafx.scene.image.Image;
-import javafx.scene.input.MouseButton;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.Pane;
 import javafx.scene.paint.Color;
@@ -24,7 +22,7 @@ public class DrawingCanvas extends Pane {
 
     public DrawingCanvas(PageContent pageContent) {
         this.pageContent = pageContent;
-        this.canvas = new Canvas(755, 485);
+        this.canvas = new Canvas();
 
         getChildren().add(canvas);
 
@@ -33,9 +31,18 @@ public class DrawingCanvas extends Pane {
         setOnMouseDragged(this::handleMouseDragged);
         setOnMouseReleased(this::handleMouseReleased);
 
-        setPrefSize(755, 485);
         setStyle("-fx-border-color: #e0e0e0; -fx-border-width: 1;");
 
+        // 绑定Canvas大小到Pane大小
+        widthProperty().addListener((obs, oldVal, newVal) -> {
+            canvas.setWidth(newVal.doubleValue());
+            redraw();
+        });
+        heightProperty().addListener((obs, oldVal, newVal) -> {
+            canvas.setHeight(newVal.doubleValue());
+            redraw();
+        });
+
         // 初始绘制
         redraw();
     }
@@ -79,6 +86,8 @@ public class DrawingCanvas extends Pane {
         }
     }
 
+
+
     /**
      * 鼠标释放事件处理
      */