forked from dolphin-emu/dolphin
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
// Copyright 2018 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "DolphinQt/QtUtils/WrapInScrollArea.h"
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#include <QFrame>
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#include <QLayout>
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#include <QPalette>
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#include <QScrollArea>
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#include <QVBoxLayout>
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#include <QWidget>
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QWidget* GetWrappedWidget(QWidget* wrapped_widget, QWidget* to_resize, int margin_width,
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int margin_height)
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{
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auto* scroll = new QScrollArea;
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scroll->setWidget(wrapped_widget);
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scroll->setWidgetResizable(true);
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scroll->setFrameStyle(QFrame::NoFrame);
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if (to_resize != nullptr)
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{
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// For some reason width() is bigger than it needs to be.
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auto min_size = wrapped_widget->minimumSizeHint();
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int recommended_width = min_size.width() + margin_width;
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int recommended_height = min_size.height() + margin_height;
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to_resize->resize(std::max(recommended_width, to_resize->width()),
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std::max(recommended_height, to_resize->height()));
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}
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#if defined(_WIN32) || defined(__APPLE__)
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// Transparency can cause unwanted side-effects on OSes other than Windows / macOS
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// Make sure the background color stays consistent with the parent widget
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QPalette p = wrapped_widget->palette();
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p.setColor(QPalette::Window, QColor(0, 0, 0, 0));
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wrapped_widget->setPalette(p);
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scroll->setPalette(p);
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#endif
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return scroll;
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}
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void WrapInScrollArea(QWidget* parent, QLayout* wrapped_layout, QWidget* to_resize)
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{
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if (to_resize == nullptr)
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to_resize = parent;
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auto* widget = new QWidget;
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widget->setLayout(wrapped_layout);
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auto* scroll_area = GetWrappedWidget(widget, to_resize, 0, 0);
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auto* scroll_layout = new QVBoxLayout;
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scroll_layout->addWidget(scroll_area);
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scroll_layout->setMargin(0);
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parent->setLayout(scroll_layout);
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}
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