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