63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <QDockWidget>
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#include <QPainter>
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#include <QStyleOption>
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class CustomDockWidget : public QDockWidget {
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private:
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std::shared_ptr<QWidget> m_title_bar_widget;
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bool m_is_title_bar_visible = true;
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public:
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explicit CustomDockWidget(const QString& title, QWidget* parent = Q_NULLPTR,
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Qt::WindowFlags flags = Qt::WindowFlags())
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: QDockWidget(title, parent, flags) {
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m_title_bar_widget.reset(titleBarWidget());
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connect(this, &QDockWidget::topLevelChanged, [this](bool /* topLevel*/) {
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SetTitleBarVisible(m_is_title_bar_visible);
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style()->unpolish(this);
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style()->polish(this);
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});
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}
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void SetTitleBarVisible(bool visible) {
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if (visible || isFloating()) {
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if (m_title_bar_widget.get() != titleBarWidget()) {
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setTitleBarWidget(m_title_bar_widget.get());
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QMargins margins = widget()->contentsMargins();
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margins.setTop(0);
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widget()->setContentsMargins(margins);
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}
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} else {
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setTitleBarWidget(new QWidget());
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QMargins margins = widget()->contentsMargins();
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margins.setTop(1);
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widget()->setContentsMargins(margins);
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}
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m_is_title_bar_visible = visible;
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}
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protected:
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void paintEvent(QPaintEvent* event) override {
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// We need to repaint the dock widgets as plain widgets in floating mode.
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// Source:
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// https://stackoverflow.com/questions/10272091/cannot-add-a-background-image-to-a-qdockwidget
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if (isFloating()) {
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QStyleOption opt;
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opt.initFrom(this);
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QPainter p(this);
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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return;
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}
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// Use inherited method for docked mode because otherwise the dock would lose the title etc.
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QDockWidget::paintEvent(event);
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}
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};
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