diff options
Diffstat (limited to 'application/themes/CustomTheme.cpp')
| -rw-r--r-- | application/themes/CustomTheme.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/application/themes/CustomTheme.cpp b/application/themes/CustomTheme.cpp new file mode 100644 index 00000000..a3141573 --- /dev/null +++ b/application/themes/CustomTheme.cpp @@ -0,0 +1,227 @@ +#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); + + qDebug() << "Loading theme" << m_id; + + if(!FS::ensureFolderPathExists(path)) + { + 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; + } + } +} + +QString CustomTheme::id() +{ + return m_id; +} + +QString CustomTheme::name() +{ + return m_name; +} + +QPalette CustomTheme::colorScheme() +{ + return m_palette; +} + +QString CustomTheme::appStyleSheet() +{ + return m_styleSheet; +} + +double CustomTheme::fadeAmount() +{ + return m_fadeAmount; +} + +QColor CustomTheme::fadeColor() +{ + return m_fadeColor; +} + +QString CustomTheme::qtTheme() +{ + return m_widgets; +} |