PrismLauncher/launcher/ui/themes/CustomTheme.cpp
Rachel Powers b9fe37aec1
Merge branch 'develop' into chore/add-compiler-warnings
Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
2023-07-30 15:33:46 -07:00

279 lines
9.9 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2022 Tayou <git@tayou.org>
*
* 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/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "CustomTheme.h"
#include <FileSystem.h>
#include <Json.h>
#include "ThemeManager.h"
const char* themeFile = "theme.json";
static bool readThemeJson(const QString& path,
QPalette& palette,
double& fadeAmount,
QColor& fadeColor,
QString& name,
QString& widgets,
QString& qssFilePath,
bool& dataIncomplete)
{
QFileInfo pathInfo(path);
if (pathInfo.exists() && pathInfo.isFile()) {
try {
auto doc = Json::requireDocument(path, "Theme JSON file");
const QJsonObject root = doc.object();
dataIncomplete = !root.contains("qssFilePath");
name = Json::requireString(root, "name", "Theme name");
widgets = Json::requireString(root, "widgets", "Qt widget theme");
qssFilePath = Json::ensureString(root, "qssFilePath", "themeStyle.css");
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()) {
themeWarningLog() << "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 {
themeDebugLog() << "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) {
themeWarningLog() << "Couldn't load theme json: " << e.cause();
return false;
}
} else {
themeDebugLog() << "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,
QString qssFilePath)
{
QJsonObject rootObj;
rootObj.insert("name", name);
rootObj.insert("widgets", widgets);
rootObj.insert("qssFilePath", qssFilePath);
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 ([[maybe_unused]] const Exception& e) {
themeWarningLog() << "Failed to write theme json to" << path;
return false;
}
}
/// @param baseTheme Base Theme
/// @param fileInfo FileInfo object for file to load
/// @param isManifest whether to load a theme manifest or a qss file
CustomTheme::CustomTheme(ITheme* baseTheme, QFileInfo& fileInfo, bool isManifest)
{
if (isManifest) {
m_id = fileInfo.dir().dirName();
QString path = FS::PathCombine("themes", m_id);
QString pathResources = FS::PathCombine("themes", m_id, "resources");
if (!FS::ensureFolderPathExists(path) || !FS::ensureFolderPathExists(pathResources)) {
themeWarningLog() << "couldn't create folder for theme!";
return;
}
auto themeFilePath = FS::PathCombine(path, themeFile);
bool jsonDataIncomplete = false;
m_palette = baseTheme->colorScheme();
if (readThemeJson(themeFilePath, m_palette, m_fadeAmount, m_fadeColor, m_name, m_widgets, m_qssFilePath, jsonDataIncomplete)) {
// If theme data was found, fade "Disabled" color of each role according to FadeAmount
m_palette = fadeInactive(m_palette, m_fadeAmount, m_fadeColor);
} else {
themeDebugLog() << "Did not read theme json file correctly, not changing theme, keeping previous.";
return;
}
// FIXME: This is kinda jank, it only actually checks if the qss file path is not present. It should actually check for any relevant missing data (e.g. name, colors)
if (jsonDataIncomplete) {
writeThemeJson(fileInfo.absoluteFilePath(), m_palette, m_fadeAmount, m_fadeColor, m_name, m_widgets, m_qssFilePath);
}
auto qssFilePath = FS::PathCombine(path, m_qssFilePath);
QFileInfo info(qssFilePath);
if (info.isFile()) {
try {
// TODO: validate qss?
m_styleSheet = QString::fromUtf8(FS::read(qssFilePath));
} catch (const Exception& e) {
themeWarningLog() << "Couldn't load qss:" << e.cause() << "from" << qssFilePath;
return;
}
} else {
themeDebugLog() << "No theme qss present.";
}
} else {
m_id = fileInfo.fileName();
m_name = fileInfo.baseName();
QString path = fileInfo.filePath();
// themeDebugLog << "Theme ID: " << m_id;
// themeDebugLog << "Theme Name: " << m_name;
// themeDebugLog << "Theme Path: " << path;
if (!FS::ensureFilePathExists(path)) {
themeWarningLog() << m_name << " Theme file path doesn't exist!";
m_palette = baseTheme->colorScheme();
m_styleSheet = baseTheme->appStyleSheet();
return;
}
m_palette = baseTheme->colorScheme();
try {
// TODO: validate qss?
m_styleSheet = QString::fromUtf8(FS::read(path));
} catch (const Exception& e) {
themeWarningLog() << "Couldn't load qss:" << e.cause() << "from" << path;
m_styleSheet = baseTheme->appStyleSheet();
}
}
}
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;
}