From a9d767b209c503ac7b5dff5132aa213d47dcb608 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Sat, 19 Apr 2025 18:43:32 +0530
Subject: Add web.view.open_devtools for opening devtools

---
 src/widgets/WebView.cpp      | 16 ++++++++++++++++
 src/widgets/WebView.hpp      | 28 ++++++++++++++++++++++++++++
 src/widgets/WebViewStack.cpp | 10 ++++++++++
 src/widgets/WebViewStack.hpp |  1 +
 4 files changed, 55 insertions(+)

(limited to 'src/widgets')

diff --git a/src/widgets/WebView.cpp b/src/widgets/WebView.cpp
index 300f8ae..aead605 100644
--- a/src/widgets/WebView.cpp
+++ b/src/widgets/WebView.cpp
@@ -1,3 +1,4 @@
+#include <QMainWindow>
 #include <QWebEngineView>
 #include <QtCore>
 
@@ -5,3 +6,18 @@
 
 WebView::WebView(uint32_t webview_id, QWebEngineProfile *profile, QWidget *parent_node)
     : QWebEngineView(profile, parent_node), id(webview_id) {}
+
+void WebView::open_devtools() {
+  if (devtools_window != nullptr)
+    return;
+
+  devtools_window = new DevtoolsWindow(page()->profile());
+  devtools_window->show();
+
+  connect(devtools_window, &DevtoolsWindow::closed, this, [this]() {
+    devtools_window->deleteLater();
+    devtools_window = nullptr;
+  });
+
+  page()->setDevToolsPage(devtools_window->page());
+}
diff --git a/src/widgets/WebView.hpp b/src/widgets/WebView.hpp
index 98dceba..16c039c 100644
--- a/src/widgets/WebView.hpp
+++ b/src/widgets/WebView.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <QMainWindow>
 #include <QWebEngineView>
 #include <QtCore>
 #include <cstdint>
@@ -7,6 +8,29 @@
 
 #include "utils.hpp"
 
+class DevtoolsWindow : public QMainWindow {
+  Q_OBJECT
+
+public:
+  DevtoolsWindow(QWebEngineProfile *profile, QWidget *parent = nullptr,
+                 Qt::WindowFlags flags = Qt::WindowFlags())
+      : QMainWindow(parent, flags) {
+    webengineview = new QWebEngineView(profile, this);
+    this->setCentralWidget(webengineview);
+  }
+
+  DELEGATE(webengineview, page, page)
+
+signals:
+  void closed();
+
+protected:
+  void closeEvent(QCloseEvent * /* event */) override { emit closed(); }
+
+private:
+  QWebEngineView *webengineview;
+};
+
 class WebView : public QWebEngineView {
   Q_OBJECT
 
@@ -14,6 +38,10 @@ public:
   WebView(uint32_t webview_id, QWebEngineProfile *profile, QWidget *parent_node = nullptr);
   DEFINE_GETTER(get_id, id)
 
+  void open_devtools();
+
 private:
   uint32_t id;
+
+  DevtoolsWindow *devtools_window = nullptr;
 };
diff --git a/src/widgets/WebViewStack.cpp b/src/widgets/WebViewStack.cpp
index 16fd3e9..9eef92a 100644
--- a/src/widgets/WebViewStack.cpp
+++ b/src/widgets/WebViewStack.cpp
@@ -199,6 +199,16 @@ void WebViewStack::focus_webview(WebViewId webview_id) {
     layout->setCurrentIndex((int)webview_index);
 }
 
+void WebViewStack::open_devtools(WebViewId webview_id) {
+  auto *webview = get_webview(webview_id);
+  if (webview == nullptr) {
+    qDebug() << "Webview does not exist";
+    return;
+  }
+
+  webview->open_devtools();
+}
+
 void WebViewStack::set_search_text(const QString &text, WebViewId webview_id, bool forward) {
   auto *webview = get_webview(webview_id);
   if (webview == nullptr) {
diff --git a/src/widgets/WebViewStack.hpp b/src/widgets/WebViewStack.hpp
index e41af43..fb78255 100644
--- a/src/widgets/WebViewStack.hpp
+++ b/src/widgets/WebViewStack.hpp
@@ -66,6 +66,7 @@ public slots:
   void close(WebViewId webview_id);
   void focus_webview(WebViewId webview_id);
   void set_search_text(const QString &text, WebViewId webview_id, bool forward = true);
+  void open_devtools(WebViewId webview_id);
 
 protected slots:
   void on_new_webview_request(const QWebEngineNewWindowRequest &request);
-- 
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