fix: Most images displayed incompletely under the screen

src/qml/main.qml

@@ -34,8 +34,8 @@ ApplicationWindow {
 
     Component.onCompleted: {
         if (IV.FileControl.isCheckOnly()) {
-            setX(screen.width / 2 - width / 2);
-            setY(screen.height / 2 - height / 2);
+            setX(IV.FileControl.getPrimaryScreenCenterX(width));
+            setY(IV.FileControl.getPrimaryScreenCenterY(height));
         }
     }
     onClosing: {
@@ -61,6 +61,10 @@ ApplicationWindow {
     Connections {
         function onCurrentSourceChanged() {
             window.title = IV.FileControl.slotGetFileName(IV.GControl.currentSource) + IV.FileControl.slotFileSuffix(IV.GControl.currentSource);
+            if (window.visibility !== Window.FullScreen && window.visibility !== Window.Maximized) {
+                setX(IV.FileControl.getPrimaryScreenCenterX(width));
+                setY(IV.FileControl.getPrimaryScreenCenterY(height));
+            }
         }
 
         target: IV.GControl

src/src/filecontrol.cpp

@@ -727,6 +727,26 @@ int FileControl::getlastHeight()
     return reHeight;
 }
 
+int FileControl::getPrimaryScreenCenterX(int windowWidth)
+{
+    QScreen *screen = QGuiApplication::primaryScreen();
+    if (!screen) {
+        return 0;
+    }
+    QRect geometry = screen->geometry();
+    return geometry.x() + geometry.width() / 2 - windowWidth / 2;
+}
+
+int FileControl::getPrimaryScreenCenterY(int windowHeight)
+{
+    QScreen *screen = QGuiApplication::primaryScreen();
+    if (!screen) {
+        return 0;
+    }
+    QRect geometry = screen->geometry();
+    return geometry.y() + geometry.height() / 2 - windowHeight / 2;
+}
+
 void FileControl::setSettingWidth(int width)
 {
     qCDebug(logImageViewer) << "FileControl::setSettingWidth() called with width: " << width;

src/src/filecontrol.h

@@ -68,6 +68,9 @@ class FileControl : public QObject
     Q_INVOKABLE int getlastHeight();
     Q_INVOKABLE void setSettingWidth(int width);
     Q_INVOKABLE void setSettingHeight(int height);
+    // 获取主屏幕中心坐标
+    Q_INVOKABLE int getPrimaryScreenCenterX(int windowWidth);
+    Q_INVOKABLE int getPrimaryScreenCenterY(int windowHeight);
     Q_INVOKABLE void setEnableNavigation(bool b);  // 设置是否允许展示导航窗口
     Q_INVOKABLE bool isEnableNavigation();