148 lines
4.2 KiB
C++
148 lines
4.2 KiB
C++
// Copyright (c) 2015-2016 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 "platformstyle.h"
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#include "guiconstants.h"
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#include <QApplication>
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#include <QColor>
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#include <QIcon>
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#include <QImage>
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#include <QPalette>
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#include <QPixmap>
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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, false, 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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static const unsigned platform_styles_count = sizeof(platform_styles)/sizeof(*platform_styles);
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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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QSize sz;
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Q_FOREACH(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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singleColor(0,0,0),
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textColor(0,0,0)
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{
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// Determine icon highlighting color
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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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QColor colorbase;
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if (abs(colorHighlightBg.lightness() - colorTextLightness) < abs(colorHighlightFg.lightness() - colorTextLightness))
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colorbase = colorHighlightBg;
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else
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colorbase = colorHighlightFg;
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singleColor = colorbase;
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}
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// Determine text color
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textColor = QColor(QApplication::palette().color(QPalette::WindowText));
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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 QString& filename) const
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{
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return ColorizeIcon(filename, TextColor());
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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 (unsigned x=0; x<platform_styles_count; ++x)
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{
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if (platformId == platform_styles[x].platformId)
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{
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return new PlatformStyle(
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platform_styles[x].platformId,
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platform_styles[x].imagesOnButtons,
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platform_styles[x].colorizeIcons,
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platform_styles[x].useExtraSpacing);
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}
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}
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return 0;
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}
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