qt: Implement Qt frontend to web browser
Using a custom reimplementation of QWebEngineView and an injector script.
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// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <mutex>
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#include <QKeyEvent>
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#include "core/hle/lock.h"
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#include "yuzu/applets/web_browser.h"
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#include "yuzu/main.h"
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constexpr char NX_SHIM_INJECT_SCRIPT[] = R"(
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window.nx = {};
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window.nx.playReport = {};
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window.nx.playReport.setCounterSetIdentifier = function () {
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console.log("nx.footer.setCounterSetIdentifier called - unimplemented");
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};
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window.nx.playReport.incrementCounter = function () {
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console.log("nx.footer.incrementCounter called - unimplemented");
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};
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window.nx.footer = {};
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window.nx.footer.unsetAssign = function () {
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console.log("nx.footer.unsetAssign called - unimplemented");
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};
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var yuzu_key_callbacks = [];
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window.nx.footer.setAssign = function(key, discard1, func, discard2) {
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switch (key) {
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case 'A':
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yuzu_key_callbacks[0] = func;
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break;
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case 'B':
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yuzu_key_callbacks[1] = func;
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break;
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case 'X':
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yuzu_key_callbacks[2] = func;
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break;
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case 'Y':
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yuzu_key_callbacks[3] = func;
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break;
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case 'L':
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yuzu_key_callbacks[6] = func;
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break;
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case 'R':
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yuzu_key_callbacks[7] = func;
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break;
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}
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};
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var applet_done = false;
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window.nx.endApplet = function() {
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applet_done = true;
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};
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)";
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void NXInputWebEngineView::keyPressEvent(QKeyEvent* event) {
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parent()->event(event);
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}
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void NXInputWebEngineView::keyReleaseEvent(QKeyEvent* event) {
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parent()->event(event);
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}
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QString GetNXShimInjectionScript() {
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return QString::fromStdString(NX_SHIM_INJECT_SCRIPT);
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}
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NXInputWebEngineView::NXInputWebEngineView(QWidget* parent) : QWebEngineView(parent) {}
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QtWebBrowser::QtWebBrowser(GMainWindow& main_window) {
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connect(this, &QtWebBrowser::MainWindowOpenPage, &main_window, &GMainWindow::WebBrowserOpenPage,
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Qt::QueuedConnection);
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connect(&main_window, &GMainWindow::WebBrowserUnpackRomFS, this,
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&QtWebBrowser::MainWindowUnpackRomFS, Qt::QueuedConnection);
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connect(&main_window, &GMainWindow::WebBrowserFinishedBrowsing, this,
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&QtWebBrowser::MainWindowFinishedBrowsing, Qt::QueuedConnection);
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}
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QtWebBrowser::~QtWebBrowser() = default;
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void QtWebBrowser::OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
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std::function<void()> finished_callback) const {
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this->unpack_romfs_callback = unpack_romfs_callback;
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this->finished_callback = finished_callback;
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const auto index = url.find('?');
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if (index == std::string::npos) {
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emit MainWindowOpenPage(url, "");
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} else {
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const auto front = url.substr(0, index);
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const auto back = url.substr(index);
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emit MainWindowOpenPage(front, back);
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}
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}
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void QtWebBrowser::MainWindowUnpackRomFS() {
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// Acquire the HLE mutex
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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unpack_romfs_callback();
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}
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void QtWebBrowser::MainWindowFinishedBrowsing() {
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// Acquire the HLE mutex
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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finished_callback();
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}
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@ -0,0 +1,45 @@
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// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <functional>
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#include <QObject>
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#include <QWebEngineView>
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#include "core/frontend/applets/web_browser.h"
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class GMainWindow;
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QString GetNXShimInjectionScript();
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class NXInputWebEngineView : public QWebEngineView {
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public:
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NXInputWebEngineView(QWidget* parent = nullptr);
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protected:
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void keyPressEvent(QKeyEvent* event) override;
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void keyReleaseEvent(QKeyEvent* event) override;
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};
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class QtWebBrowser final : public QObject, public Core::Frontend::WebBrowserApplet {
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Q_OBJECT
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public:
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explicit QtWebBrowser(GMainWindow& main_window);
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~QtWebBrowser() override;
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void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
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std::function<void()> finished_callback) const override;
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signals:
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void MainWindowOpenPage(std::string_view filename, std::string_view additional_args) const;
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public slots:
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void MainWindowUnpackRomFS();
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void MainWindowFinishedBrowsing();
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private:
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mutable std::function<void()> unpack_romfs_callback;
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mutable std::function<void()> finished_callback;
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};
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