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Diffstat (limited to 'meshmc/launcher/ui/themes/CustomTheme.cpp')
| -rw-r--r-- | meshmc/launcher/ui/themes/CustomTheme.cpp | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/meshmc/launcher/ui/themes/CustomTheme.cpp b/meshmc/launcher/ui/themes/CustomTheme.cpp new file mode 100644 index 0000000000..37bdeb5c37 --- /dev/null +++ b/meshmc/launcher/ui/themes/CustomTheme.cpp @@ -0,0 +1,248 @@ +/* SPDX-FileCopyrightText: 2026 Project Tick + * SPDX-FileContributor: Project Tick + * SPDX-License-Identifier: GPL-3.0-or-later + * + * MeshMC - A Custom Launcher for Minecraft + * Copyright (C) 2026 Project Tick + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#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 (const 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 (const 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 (const 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 (const 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; +} |