From d1c690725439d610916ce0f1070067435fde28d1 Mon Sep 17 00:00:00 2001
From: Axel Lender <lender@b1-systems.de>
Date: Thu, 10 Nov 2022 13:13:32 +0100
Subject: [PATCH] Resize WebView widget once the loginpage rendered

When the login dialogue displays the login page itself
the WebView widget did not resize according to
the dimensions of the login page.

Signed-off-by: Axel Lender <lender@b1-systems.de>
---
 src/gui/wizard/webview.cpp | 18 ++++++++++++++++++
 src/gui/wizard/webview.h   |  6 ++++++
 2 files changed, 24 insertions(+)

diff --git a/src/gui/wizard/webview.cpp b/src/gui/wizard/webview.cpp
index 0ecaca08cb81f..99fd18bb2cfec 100644
--- a/src/gui/wizard/webview.cpp
+++ b/src/gui/wizard/webview.cpp
@@ -111,12 +111,30 @@ WebView::WebView(QWidget *parent)
 
     connect(_webview, &QWebEngineView::loadProgress, _ui.progressBar, &QProgressBar::setValue);
     connect(_schemeHandler, &WebViewPageUrlSchemeHandler::urlCatched, this, &WebView::urlCatched);
+
+    connect(_page, &QWebEnginePage::contentsSizeChanged, this, &WebView::slotResizeToContents);
 }
 
 void WebView::setUrl(const QUrl &url) {
     _page->setUrl(url);
 }
 
+QSize WebView::minimumSizeHint() const {
+    return _size;
+}
+
+void WebView::slotResizeToContents(const QSizeF &size){
+    //this widget also holds the progressbar
+    const int newHeight = size.toSize().height() + _ui.progressBar->height();
+    const int newWidth = size.toSize().width();
+    _size = QSize(newWidth, newHeight);
+
+    this->updateGeometry();
+
+    //only resize once
+    disconnect(_page, &QWebEnginePage::contentsSizeChanged, this, &WebView::slotResizeToContents);
+}
+
 WebView::~WebView() {
     /*
      * The Qt implmentation deletes children in the order they are added to the
diff --git a/src/gui/wizard/webview.h b/src/gui/wizard/webview.h
index 6cfbcb8c03942..999666687232b 100644
--- a/src/gui/wizard/webview.h
+++ b/src/gui/wizard/webview.h
@@ -23,13 +23,19 @@ class WebView : public QWidget
     WebView(QWidget *parent = nullptr);
     ~WebView() override;
     void setUrl(const QUrl &url);
+    virtual QSize minimumSizeHint() const override;
 
 signals:
     void urlCatched(const QString user, const QString pass, const QString host);
 
+private slots:
+    void slotResizeToContents(const QSizeF &size);
+
 private:
     Ui_WebView _ui;
 
+    QSize _size;
+
     QWebEngineView *_webview;
     QWebEngineProfile *_profile;
     WebEnginePage *_page;