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// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2022 Tayou <git@tayou.org>
* Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
*
* 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, version 3.
*
* 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 "ThemeManager.h"
#include <QApplication>
#include <QDir>
#include <QDirIterator>
#include <QIcon>
#include "ui/themes/BrightTheme.h"
#include "ui/themes/CustomTheme.h"
#include "ui/themes/DarkTheme.h"
#include "ui/themes/SystemTheme.h"
#include "Application.h"
ThemeManager::ThemeManager()
{
initializeThemes();
}
/// @brief Adds the Theme to the list of themes
/// @param theme The Theme to add
/// @return Theme ID
QString ThemeManager::addTheme(std::unique_ptr<ITheme> theme)
{
QString id = theme->id();
m_themes.emplace(id, std::move(theme));
return id;
}
/// @brief Gets the Theme from the List via ID
/// @param themeId Theme ID of theme to fetch
/// @return Theme at themeId
ITheme* ThemeManager::getTheme(QString themeId)
{
return m_themes[themeId].get();
}
QString ThemeManager::addIconTheme(IconTheme theme)
{
QString id = theme.id();
m_icons.emplace(id, std::move(theme));
return id;
}
void ThemeManager::initializeThemes()
{
// Icon themes
initializeIcons();
// Initialize widget themes
initializeWidgets();
}
void ThemeManager::initializeIcons()
{
// TODO: icon themes and instance icons do not mesh well together. Rearrange and fix discrepancies!
// set icon theme search path!
themeDebugLog() << "<> Initializing Icon Themes";
auto searchPaths = QIcon::themeSearchPaths();
searchPaths.append(m_iconThemeFolder.path());
QIcon::setThemeSearchPaths(searchPaths);
for (const QString& id : builtinIcons) {
IconTheme theme(id, QString(":/icons/%1").arg(id));
if (!theme.load()) {
themeWarningLog() << "Couldn't load built-in icon theme" << id;
continue;
}
addIconTheme(std::move(theme));
themeDebugLog() << "Loaded Built-In Icon Theme" << id;
}
if (!m_iconThemeFolder.mkpath("."))
themeWarningLog() << "Couldn't create icon theme folder";
themeDebugLog() << "Icon Theme Folder Path: " << m_iconThemeFolder.absolutePath();
QDirIterator directoryIterator(m_iconThemeFolder.path(), QDir::Dirs | QDir::NoDotAndDotDot);
while (directoryIterator.hasNext()) {
QDir dir(directoryIterator.next());
IconTheme theme(dir.dirName(), dir.path());
if (!theme.load())
continue;
addIconTheme(std::move(theme));
themeDebugLog() << "Loaded Custom Icon Theme from" << dir.path();
}
themeDebugLog() << "<> Icon themes initialized.";
}
void ThemeManager::initializeWidgets()
{
themeDebugLog() << "<> Initializing Widget Themes";
themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<SystemTheme>());
auto darkThemeId = addTheme(std::make_unique<DarkTheme>());
themeDebugLog() << "Loading Built-in Theme:" << darkThemeId;
themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<BrightTheme>());
// TODO: need some way to differentiate same name themes in different subdirectories (maybe smaller grey text next to theme name in
// dropdown?)
if (!m_applicationThemeFolder.mkpath("."))
themeWarningLog() << "Couldn't create theme folder";
themeDebugLog() << "Theme Folder Path: " << m_applicationThemeFolder.absolutePath();
QDirIterator directoryIterator(m_applicationThemeFolder.path(), QDir::Dirs | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (directoryIterator.hasNext()) {
QDir dir(directoryIterator.next());
QFileInfo themeJson(dir.absoluteFilePath("theme.json"));
if (themeJson.exists()) {
// Load "theme.json" based themes
themeDebugLog() << "Loading JSON Theme from:" << themeJson.absoluteFilePath();
addTheme(std::make_unique<CustomTheme>(getTheme(darkThemeId), themeJson, true));
} else {
// Load pure QSS Themes
QDirIterator stylesheetFileIterator(dir.absoluteFilePath(""), { "*.qss", "*.css" }, QDir::Files);
while (stylesheetFileIterator.hasNext()) {
QFile customThemeFile(stylesheetFileIterator.next());
QFileInfo customThemeFileInfo(customThemeFile);
themeDebugLog() << "Loading QSS Theme from:" << customThemeFileInfo.absoluteFilePath();
addTheme(std::make_unique<CustomTheme>(getTheme(darkThemeId), customThemeFileInfo, false));
}
}
}
themeDebugLog() << "<> Widget themes initialized.";
}
QList<IconTheme*> ThemeManager::getValidIconThemes()
{
QList<IconTheme*> ret;
ret.reserve(m_icons.size());
for (auto&& [id, theme] : m_icons) {
ret.append(&theme);
}
return ret;
}
QList<ITheme*> ThemeManager::getValidApplicationThemes()
{
QList<ITheme*> ret;
ret.reserve(m_themes.size());
for (auto&& [id, theme] : m_themes) {
ret.append(theme.get());
}
return ret;
}
bool ThemeManager::isValidIconTheme(const QString& id)
{
return !id.isEmpty() && m_icons.find(id) != m_icons.end();
}
bool ThemeManager::isValidApplicationTheme(const QString& id)
{
return !id.isEmpty() && m_themes.find(id) != m_themes.end();
}
QDir ThemeManager::getIconThemesFolder()
{
return m_iconThemeFolder;
}
QDir ThemeManager::getApplicationThemesFolder()
{
return m_applicationThemeFolder;
}
void ThemeManager::setIconTheme(const QString& name)
{
if (m_icons.find(name) == m_icons.end()) {
themeWarningLog() << "Tried to set invalid icon theme:" << name;
return;
}
QIcon::setThemeName(name);
}
void ThemeManager::setApplicationTheme(const QString& name, bool initial)
{
auto systemPalette = qApp->palette();
auto themeIter = m_themes.find(name);
if (themeIter != m_themes.end()) {
auto& theme = themeIter->second;
themeDebugLog() << "applying theme" << theme->name();
theme->apply(initial);
} else {
themeWarningLog() << "Tried to set invalid theme:" << name;
}
}
void ThemeManager::applyCurrentlySelectedTheme(bool initial)
{
auto settings = APPLICATION->settings();
setIconTheme(settings->get("IconTheme").toString());
themeDebugLog() << "<> Icon theme set.";
setApplicationTheme(settings->get("ApplicationTheme").toString(), initial);
themeDebugLog() << "<> Application theme set.";
}
QString ThemeManager::getCatImage(QString catName)
{
QDateTime now = QDateTime::currentDateTime();
QDateTime birthday(QDate(now.date().year(), 11, 30), QTime(0, 0));
QDateTime xmas(QDate(now.date().year(), 12, 25), QTime(0, 0));
QDateTime halloween(QDate(now.date().year(), 10, 31), QTime(0, 0));
QString cat = !catName.isEmpty() ? catName : APPLICATION->settings()->get("BackgroundCat").toString();
if (std::abs(now.daysTo(xmas)) <= 4) {
cat += "-xmas";
} else if (std::abs(now.daysTo(halloween)) <= 4) {
cat += "-spooky";
} else if (std::abs(now.daysTo(birthday)) <= 12) {
cat += "-bday";
}
return cat;
}
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