mirror of https://github.com/yuzu-mirror/yuzu
Merge pull request #2034 from jroweboy/loading-widget
QT Frontend: Add a Loading screen with progressbarpull/8/head
bunnei
6 years ago
committed by
GitHub
commit
1c733bf175
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// Copyright 2019 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 <QBuffer>
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#include <QByteArray>
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#include <QHBoxLayout>
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#include <QIODevice>
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#include <QImage>
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#include <QLabel>
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#include <QPainter>
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#include <QPalette>
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#include <QPixmap>
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#include <QProgressBar>
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#include <QStyleOption>
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#include <QWindow>
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#include "common/logging/log.h"
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#include "core/loader/loader.h"
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#include "ui_loading_screen.h"
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#include "yuzu/loading_screen.h"
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// Mingw seems to not have QMovie at all. If QMovie is missing then use a single frame instead of an
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// showing the full animation
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#if !YUZU_QT_MOVIE_MISSING
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#include <QMovie>
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#endif
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LoadingScreen::LoadingScreen(QWidget* parent)
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: QWidget(parent), ui(std::make_unique<Ui::LoadingScreen>()) {
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ui->setupUi(this);
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// Progress bar is hidden until we have a use for it.
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ui->progress_bar->hide();
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}
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LoadingScreen::~LoadingScreen() = default;
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void LoadingScreen::Prepare(Loader::AppLoader& loader) {
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std::vector<u8> buffer;
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if (loader.ReadBanner(buffer) == Loader::ResultStatus::Success) {
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#ifdef YUZU_QT_MOVIE_MISSING
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QPixmap map;
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map.loadFromData(buffer.data(), buffer.size());
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ui->banner->setPixmap(map);
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#else
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backing_mem =
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std::make_unique<QByteArray>(reinterpret_cast<char*>(buffer.data()), buffer.size());
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backing_buf = std::make_unique<QBuffer>(backing_mem.get());
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backing_buf->open(QIODevice::ReadOnly);
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animation = std::make_unique<QMovie>(backing_buf.get(), QByteArray("GIF"));
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animation->start();
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ui->banner->setMovie(animation.get());
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#endif
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buffer.clear();
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}
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if (loader.ReadLogo(buffer) == Loader::ResultStatus::Success) {
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QPixmap map;
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map.loadFromData(buffer.data(), buffer.size());
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ui->logo->setPixmap(map);
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}
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}
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void LoadingScreen::OnLoadProgress(std::size_t value, std::size_t total) {
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if (total != previous_total) {
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ui->progress_bar->setMaximum(total);
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previous_total = total;
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}
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ui->progress_bar->setValue(value);
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}
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void LoadingScreen::paintEvent(QPaintEvent* event) {
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QStyleOption opt;
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opt.init(this);
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QPainter p(this);
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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QWidget::paintEvent(event);
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}
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void LoadingScreen::Clear() {
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#ifndef YUZU_QT_MOVIE_MISSING
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animation.reset();
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backing_buf.reset();
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backing_mem.reset();
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#endif
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}
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@ -0,0 +1,56 @@
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// Copyright 2019 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 <memory>
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#include <QWidget>
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#if !QT_CONFIG(movie)
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#define YUZU_QT_MOVIE_MISSING 1
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#endif
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namespace Loader {
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class AppLoader;
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}
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namespace Ui {
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class LoadingScreen;
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}
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class QBuffer;
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class QByteArray;
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class QMovie;
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class LoadingScreen : public QWidget {
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Q_OBJECT
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public:
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explicit LoadingScreen(QWidget* parent = nullptr);
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~LoadingScreen();
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/// Call before showing the loading screen to load the widgets with the logo and banner for the
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/// currently loaded application.
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void Prepare(Loader::AppLoader& loader);
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/// After the loading screen is hidden, the owner of this class can call this to clean up any
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/// used resources such as the logo and banner.
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void Clear();
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// In order to use a custom widget with a stylesheet, you need to override the paintEvent
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// See https://wiki.qt.io/How_to_Change_the_Background_Color_of_QWidget
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void paintEvent(QPaintEvent* event) override;
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void OnLoadProgress(std::size_t value, std::size_t total);
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private:
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#ifndef YUZU_QT_MOVIE_MISSING
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std::unique_ptr<QMovie> animation;
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std::unique_ptr<QBuffer> backing_buf;
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std::unique_ptr<QByteArray> backing_mem;
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#endif
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std::unique_ptr<Ui::LoadingScreen> ui;
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std::size_t previous_total = 0;
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};
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@ -0,0 +1,79 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>LoadingScreen</class>
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<widget class="QWidget" name="LoadingScreen">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>746</width>
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<height>495</height>
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</rect>
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</property>
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<property name="styleSheet">
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<string notr="true">background-color: rgb(0, 0, 0);</string>
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</property>
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<layout class="QVBoxLayout">
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<property name="spacing">
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<number>0</number>
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</property>
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
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<number>0</number>
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</property>
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<property name="rightMargin">
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<number>0</number>
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</property>
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<item>
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<widget class="QLabel" name="logo">
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<property name="text">
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<string/>
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</property>
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<property name="alignment">
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<set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
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</property>
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<property name="margin">
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<number>30</number>
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</property>
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</widget>
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</item>
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout">
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<item>
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<widget class="QProgressBar" name="progress_bar">
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<property name="styleSheet">
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<string notr="true">font-size: 26px;</string>
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</property>
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<property name="value">
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<number>0</number>
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</property>
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<property name="format">
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<string>Loading Shaders %v out of %m</string>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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<item alignment="Qt::AlignRight|Qt::AlignBottom">
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<widget class="QLabel" name="banner">
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<property name="styleSheet">
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<string notr="true">background-color: black;</string>
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</property>
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<property name="text">
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<string/>
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</property>
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<property name="margin">
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<number>30</number>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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<resources/>
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<connections/>
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</ui>
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