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https://github.com/bitcoin/bitcoin.git
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137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
// Copyright (c) 2015-2019 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <qt/platformstyle.h>
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#include <QApplication>
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#include <QColor>
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#include <QImage>
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#include <QPalette>
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static const struct {
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const char *platformId;
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/** Show images on push buttons */
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const bool imagesOnButtons;
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/** Colorize single-color icons */
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const bool colorizeIcons;
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/** Extra padding/spacing in transactionview */
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const bool useExtraSpacing;
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} platform_styles[] = {
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{"macosx", false, true, true},
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{"windows", true, false, false},
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/* Other: linux, unix, ... */
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{"other", true, true, false}
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};
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namespace {
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/* Local functions for colorizing single-color images */
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void MakeSingleColorImage(QImage& img, const QColor& colorbase)
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{
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img = img.convertToFormat(QImage::Format_ARGB32);
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for (int x = img.width(); x--; )
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{
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for (int y = img.height(); y--; )
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{
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const QRgb rgb = img.pixel(x, y);
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img.setPixel(x, y, qRgba(colorbase.red(), colorbase.green(), colorbase.blue(), qAlpha(rgb)));
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}
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}
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}
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QIcon ColorizeIcon(const QIcon& ico, const QColor& colorbase)
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{
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QIcon new_ico;
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for (const QSize& sz : ico.availableSizes())
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{
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QImage img(ico.pixmap(sz).toImage());
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MakeSingleColorImage(img, colorbase);
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new_ico.addPixmap(QPixmap::fromImage(img));
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}
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return new_ico;
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}
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QImage ColorizeImage(const QString& filename, const QColor& colorbase)
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{
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QImage img(filename);
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MakeSingleColorImage(img, colorbase);
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return img;
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}
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QIcon ColorizeIcon(const QString& filename, const QColor& colorbase)
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{
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return QIcon(QPixmap::fromImage(ColorizeImage(filename, colorbase)));
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}
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}
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PlatformStyle::PlatformStyle(const QString &_name, bool _imagesOnButtons, bool _colorizeIcons, bool _useExtraSpacing):
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name(_name),
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imagesOnButtons(_imagesOnButtons),
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colorizeIcons(_colorizeIcons),
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useExtraSpacing(_useExtraSpacing)
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{
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}
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QColor PlatformStyle::TextColor() const
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{
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return QApplication::palette().color(QPalette::WindowText);
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}
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QColor PlatformStyle::SingleColor() const
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{
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if (colorizeIcons) {
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const QColor colorHighlightBg(QApplication::palette().color(QPalette::Highlight));
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const QColor colorHighlightFg(QApplication::palette().color(QPalette::HighlightedText));
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const QColor colorText(QApplication::palette().color(QPalette::WindowText));
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const int colorTextLightness = colorText.lightness();
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if (abs(colorHighlightBg.lightness() - colorTextLightness) < abs(colorHighlightFg.lightness() - colorTextLightness)) {
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return colorHighlightBg;
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}
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return colorHighlightFg;
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}
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return {0, 0, 0};
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}
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QImage PlatformStyle::SingleColorImage(const QString& filename) const
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{
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if (!colorizeIcons)
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return QImage(filename);
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return ColorizeImage(filename, SingleColor());
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}
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QIcon PlatformStyle::SingleColorIcon(const QString& filename) const
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{
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if (!colorizeIcons)
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return QIcon(filename);
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return ColorizeIcon(filename, SingleColor());
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}
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QIcon PlatformStyle::SingleColorIcon(const QIcon& icon) const
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{
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if (!colorizeIcons)
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return icon;
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return ColorizeIcon(icon, SingleColor());
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}
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QIcon PlatformStyle::TextColorIcon(const QIcon& icon) const
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{
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return ColorizeIcon(icon, TextColor());
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}
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const PlatformStyle *PlatformStyle::instantiate(const QString &platformId)
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{
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for (const auto& platform_style : platform_styles) {
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if (platformId == platform_style.platformId) {
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return new PlatformStyle(
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platform_style.platformId,
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platform_style.imagesOnButtons,
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platform_style.colorizeIcons,
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platform_style.useExtraSpacing);
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}
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}
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return nullptr;
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}
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