From 8270604d8ff9c8f2009fc945040b8ce8545741d0 Mon Sep 17 00:00:00 2001
From: Lu Zhen <luzhen@uniontech.com>
Date: Wed, 3 Apr 2024 14:44:55 +0800
Subject: [PATCH] fix: [extension] auto zoom web view

Log:
Change-Id: Ib1755c34dfd394675631d76371c663697ba709d7
---
 src/plugins/core/gui/plugindetailsview.cpp | 35 +++++++++++++++++++++-
 src/plugins/core/gui/plugindetailsview.h   |  5 ++--
 2 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/src/plugins/core/gui/plugindetailsview.cpp b/src/plugins/core/gui/plugindetailsview.cpp
index dbab32cc8..9f0a16d7f 100644
--- a/src/plugins/core/gui/plugindetailsview.cpp
+++ b/src/plugins/core/gui/plugindetailsview.cpp
@@ -18,10 +18,43 @@
 #include <QDesktopServices>
 #include <QWebEngineView>
 #include <QDir>
+#include <QApplication>
+#include <QMainWindow>
 
 DWIDGET_USE_NAMESPACE
 using namespace dpfservice;
 
+class AutoZoomWebEngineView : public QWebEngineView {
+public:
+    explicit AutoZoomWebEngineView(QWidget *parent = nullptr)
+        : QWebEngineView(parent) {}
+
+protected:
+    void resizeEvent(QResizeEvent *event) override {
+        QWebEngineView::resizeEvent(event);
+
+        // first resize is full screen
+        if (isFirstResize) {
+            isFirstResize = false;
+            return;
+        }
+
+        QSize newSize = event->size();
+        qreal zoomFactor = calculateZoomFactor(newSize);
+        setZoomFactor(zoomFactor);
+    }
+
+    qreal calculateZoomFactor(const QSize &size) {
+        if (size.width() > maxWidth)
+            maxWidth = size.width();
+        qreal zoomFactor = static_cast<qreal>(size.width()) / maxWidth;
+        return zoomFactor;
+    }
+private:
+    int maxWidth = 0;
+    bool isFirstResize = true;
+};
+
 DetailsView::DetailsView(QWidget *parent)
     : DWidget(parent)
 {
@@ -135,7 +168,7 @@ void DetailsView::setupUi()
     logoLabel->setPixmap(logo.pixmap(QSize(96, 96)));
 
     auto webViewLayout = new QHBoxLayout();
-    webView = new QWebEngineView(this);
+    webView = new AutoZoomWebEngineView(this);
     webView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     webViewLayout->addWidget(webView);
 
diff --git a/src/plugins/core/gui/plugindetailsview.h b/src/plugins/core/gui/plugindetailsview.h
index f0ed50c13..3e7aedb9d 100644
--- a/src/plugins/core/gui/plugindetailsview.h
+++ b/src/plugins/core/gui/plugindetailsview.h
@@ -14,7 +14,6 @@ QT_BEGIN_NAMESPACE
 class QGridLayout;
 class QVBoxLayout;
 class QSpacerItem;
-class QWebEngineView;
 class QLabel;
 QT_END_NAMESPACE
 
@@ -22,6 +21,8 @@ DWIDGET_BEGIN_NAMESPACE
 class DTextEdit;
 class DLabel;
 DWIDGET_END_NAMESPACE
+
+class AutoZoomWebEngineView;
 class DetailsView : public DTK_WIDGET_NAMESPACE::DWidget
 {
     Q_OBJECT
@@ -50,7 +51,7 @@ private slots:
 
     DTK_WIDGET_NAMESPACE::DPushButton *loadBtn {nullptr};
     dpf::PluginMetaObjectPointer pluginMetaInfo;
-    QWebEngineView *webView {nullptr};
+    AutoZoomWebEngineView *webView {nullptr};
     QLabel *logoLabel {nullptr};
 };