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245 lines
7.0 KiB
C++
245 lines
7.0 KiB
C++
#include "CustomTheme.h"
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#include <QDir>
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#include <Json.h>
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#include <FileSystem.h>
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const char * themeFile = "theme.json";
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const char * styleFile = "themeStyle.css";
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static bool readThemeJson(const QString &path, QPalette &palette, double &fadeAmount, QColor &fadeColor, QString &name, QString &widgets)
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{
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QFileInfo pathInfo(path);
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if(pathInfo.exists() && pathInfo.isFile())
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{
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try
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{
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auto doc = Json::requireDocument(path, "Theme JSON file");
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const QJsonObject root = doc.object();
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name = Json::requireString(root, "name", "Theme name");
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widgets = Json::requireString(root, "widgets", "Qt widget theme");
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auto colorsRoot = Json::requireObject(root, "colors", "colors object");
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auto readColor = [&](QString colorName) -> QColor
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{
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auto colorValue = Json::ensureString(colorsRoot, colorName, QString());
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if(!colorValue.isEmpty())
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{
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QColor color(colorValue);
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if(!color.isValid())
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{
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qWarning() << "Color value" << colorValue << "for" << colorName << "was not recognized.";
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return QColor();
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}
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return color;
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}
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return QColor();
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};
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auto readAndSetColor = [&](QPalette::ColorRole role, QString colorName)
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{
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auto color = readColor(colorName);
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if(color.isValid())
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{
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palette.setColor(role, color);
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}
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else
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{
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qDebug() << "Color value for" << colorName << "was not present.";
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}
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};
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// palette
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readAndSetColor(QPalette::Window, "Window");
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readAndSetColor(QPalette::WindowText, "WindowText");
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readAndSetColor(QPalette::Base, "Base");
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readAndSetColor(QPalette::AlternateBase, "AlternateBase");
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readAndSetColor(QPalette::ToolTipBase, "ToolTipBase");
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readAndSetColor(QPalette::ToolTipText, "ToolTipText");
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readAndSetColor(QPalette::Text, "Text");
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readAndSetColor(QPalette::Button, "Button");
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readAndSetColor(QPalette::ButtonText, "ButtonText");
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readAndSetColor(QPalette::BrightText, "BrightText");
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readAndSetColor(QPalette::Link, "Link");
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readAndSetColor(QPalette::Highlight, "Highlight");
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readAndSetColor(QPalette::HighlightedText, "HighlightedText");
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//fade
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fadeColor = readColor("fadeColor");
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fadeAmount = Json::ensureDouble(colorsRoot, "fadeAmount", 0.5, "fade amount");
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}
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catch (const Exception &e)
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{
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qWarning() << "Couldn't load theme json: " << e.cause();
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return false;
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}
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}
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else
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{
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qDebug() << "No theme json present.";
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return false;
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}
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return true;
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}
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static bool writeThemeJson(const QString &path, const QPalette &palette, double fadeAmount, QColor fadeColor, QString name, QString widgets)
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{
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QJsonObject rootObj;
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rootObj.insert("name", name);
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rootObj.insert("widgets", widgets);
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QJsonObject colorsObj;
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auto insertColor = [&](QPalette::ColorRole role, QString colorName)
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{
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colorsObj.insert(colorName, palette.color(role).name());
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};
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// palette
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insertColor(QPalette::Window, "Window");
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insertColor(QPalette::WindowText, "WindowText");
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insertColor(QPalette::Base, "Base");
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insertColor(QPalette::AlternateBase, "AlternateBase");
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insertColor(QPalette::ToolTipBase, "ToolTipBase");
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insertColor(QPalette::ToolTipText, "ToolTipText");
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insertColor(QPalette::Text, "Text");
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insertColor(QPalette::Button, "Button");
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insertColor(QPalette::ButtonText, "ButtonText");
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insertColor(QPalette::BrightText, "BrightText");
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insertColor(QPalette::Link, "Link");
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insertColor(QPalette::Highlight, "Highlight");
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insertColor(QPalette::HighlightedText, "HighlightedText");
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// fade
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colorsObj.insert("fadeColor", fadeColor.name());
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colorsObj.insert("fadeAmount", fadeAmount);
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rootObj.insert("colors", colorsObj);
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try
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{
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Json::write(rootObj, path);
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return true;
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}
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catch (const Exception &e)
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{
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qWarning() << "Failed to write theme json to" << path;
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return false;
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}
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}
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CustomTheme::CustomTheme(ITheme* baseTheme, QString folder)
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{
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m_id = folder;
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QString path = FS::PathCombine("themes", m_id);
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QString pathResources = FS::PathCombine("themes", m_id, "resources");
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qDebug() << "Loading theme" << m_id;
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if(!FS::ensureFolderPathExists(path) || !FS::ensureFolderPathExists(pathResources))
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{
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qWarning() << "couldn't create folder for theme!";
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m_palette = baseTheme->colorScheme();
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m_styleSheet = baseTheme->appStyleSheet();
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return;
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}
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auto themeFilePath = FS::PathCombine(path, themeFile);
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m_palette = baseTheme->colorScheme();
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if (!readThemeJson(themeFilePath, m_palette, m_fadeAmount, m_fadeColor, m_name, m_widgets))
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{
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m_name = "Custom";
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m_palette = baseTheme->colorScheme();
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m_fadeColor = baseTheme->fadeColor();
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m_fadeAmount = baseTheme->fadeAmount();
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m_widgets = baseTheme->qtTheme();
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QFileInfo info(themeFilePath);
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if(!info.exists())
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{
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writeThemeJson(themeFilePath, m_palette, m_fadeAmount, m_fadeColor, "Custom", m_widgets);
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}
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}
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else
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{
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m_palette = fadeInactive(m_palette, m_fadeAmount, m_fadeColor);
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}
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auto cssFilePath = FS::PathCombine(path, styleFile);
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QFileInfo info (cssFilePath);
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if(info.isFile())
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{
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try
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{
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// TODO: validate css?
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m_styleSheet = QString::fromUtf8(FS::read(cssFilePath));
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}
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catch (const Exception &e)
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{
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qWarning() << "Couldn't load css:" << e.cause() << "from" << cssFilePath;
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m_styleSheet = baseTheme->appStyleSheet();
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}
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}
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else
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{
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qDebug() << "No theme css present.";
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m_styleSheet = baseTheme->appStyleSheet();
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try
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{
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FS::write(cssFilePath, m_styleSheet.toUtf8());
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}
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catch (const Exception &e)
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{
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qWarning() << "Couldn't write css:" << e.cause() << "to" << cssFilePath;
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}
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}
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}
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QStringList CustomTheme::searchPaths()
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{
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return { FS::PathCombine("themes", m_id, "resources") };
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}
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QString CustomTheme::id()
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{
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return m_id;
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}
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QString CustomTheme::name()
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{
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return m_name;
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}
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bool CustomTheme::hasColorScheme()
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{
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return true;
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}
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QPalette CustomTheme::colorScheme()
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{
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return m_palette;
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}
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bool CustomTheme::hasStyleSheet()
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{
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return true;
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}
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QString CustomTheme::appStyleSheet()
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{
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return m_styleSheet;
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}
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double CustomTheme::fadeAmount()
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{
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return m_fadeAmount;
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}
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QColor CustomTheme::fadeColor()
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{
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return m_fadeColor;
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}
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QString CustomTheme::qtTheme()
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{
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return m_widgets;
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}
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