279 lines
9.9 KiB
C++
279 lines
9.9 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* Prism Launcher - Minecraft Launcher
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* Copyright (C) 2022 Tayou <git@tayou.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "CustomTheme.h"
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#include <FileSystem.h>
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#include <Json.h>
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#include "ThemeManager.h"
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const char* themeFile = "theme.json";
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static bool readThemeJson(const QString& path,
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QPalette& palette,
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double& fadeAmount,
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QColor& fadeColor,
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QString& name,
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QString& widgets,
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QString& qssFilePath,
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bool& dataIncomplete)
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{
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QFileInfo pathInfo(path);
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if (pathInfo.exists() && pathInfo.isFile()) {
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try {
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auto doc = Json::requireDocument(path, "Theme JSON file");
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const QJsonObject root = doc.object();
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dataIncomplete = !root.contains("qssFilePath");
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name = Json::requireString(root, "name", "Theme name");
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widgets = Json::requireString(root, "widgets", "Qt widget theme");
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qssFilePath = Json::ensureString(root, "qssFilePath", "themeStyle.css");
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auto colorsRoot = Json::requireObject(root, "colors", "colors object");
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auto readColor = [&](QString colorName) -> QColor {
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auto colorValue = Json::ensureString(colorsRoot, colorName, QString());
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if (!colorValue.isEmpty()) {
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QColor color(colorValue);
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if (!color.isValid()) {
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themeWarningLog() << "Color value" << colorValue << "for" << colorName << "was not recognized.";
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return QColor();
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}
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return color;
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}
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return QColor();
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};
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auto readAndSetColor = [&](QPalette::ColorRole role, QString colorName) {
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auto color = readColor(colorName);
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if (color.isValid()) {
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palette.setColor(role, color);
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} else {
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themeDebugLog() << "Color value for" << colorName << "was not present.";
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}
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};
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// palette
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readAndSetColor(QPalette::Window, "Window");
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readAndSetColor(QPalette::WindowText, "WindowText");
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readAndSetColor(QPalette::Base, "Base");
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readAndSetColor(QPalette::AlternateBase, "AlternateBase");
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readAndSetColor(QPalette::ToolTipBase, "ToolTipBase");
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readAndSetColor(QPalette::ToolTipText, "ToolTipText");
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readAndSetColor(QPalette::Text, "Text");
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readAndSetColor(QPalette::Button, "Button");
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readAndSetColor(QPalette::ButtonText, "ButtonText");
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readAndSetColor(QPalette::BrightText, "BrightText");
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readAndSetColor(QPalette::Link, "Link");
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readAndSetColor(QPalette::Highlight, "Highlight");
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readAndSetColor(QPalette::HighlightedText, "HighlightedText");
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// fade
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fadeColor = readColor("fadeColor");
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fadeAmount = Json::ensureDouble(colorsRoot, "fadeAmount", 0.5, "fade amount");
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} catch (const Exception& e) {
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themeWarningLog() << "Couldn't load theme json: " << e.cause();
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return false;
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}
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} else {
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themeDebugLog() << "No theme json present.";
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return false;
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}
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return true;
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}
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static bool writeThemeJson(const QString& path,
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const QPalette& palette,
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double fadeAmount,
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QColor fadeColor,
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QString name,
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QString widgets,
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QString qssFilePath)
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{
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QJsonObject rootObj;
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rootObj.insert("name", name);
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rootObj.insert("widgets", widgets);
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rootObj.insert("qssFilePath", qssFilePath);
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QJsonObject colorsObj;
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auto insertColor = [&](QPalette::ColorRole role, QString colorName) { colorsObj.insert(colorName, palette.color(role).name()); };
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// palette
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insertColor(QPalette::Window, "Window");
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insertColor(QPalette::WindowText, "WindowText");
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insertColor(QPalette::Base, "Base");
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insertColor(QPalette::AlternateBase, "AlternateBase");
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insertColor(QPalette::ToolTipBase, "ToolTipBase");
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insertColor(QPalette::ToolTipText, "ToolTipText");
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insertColor(QPalette::Text, "Text");
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insertColor(QPalette::Button, "Button");
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insertColor(QPalette::ButtonText, "ButtonText");
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insertColor(QPalette::BrightText, "BrightText");
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insertColor(QPalette::Link, "Link");
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insertColor(QPalette::Highlight, "Highlight");
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insertColor(QPalette::HighlightedText, "HighlightedText");
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// fade
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colorsObj.insert("fadeColor", fadeColor.name());
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colorsObj.insert("fadeAmount", fadeAmount);
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rootObj.insert("colors", colorsObj);
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try {
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Json::write(rootObj, path);
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return true;
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} catch ([[maybe_unused]] const Exception& e) {
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themeWarningLog() << "Failed to write theme json to" << path;
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return false;
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}
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}
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/// @param baseTheme Base Theme
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/// @param fileInfo FileInfo object for file to load
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/// @param isManifest whether to load a theme manifest or a qss file
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CustomTheme::CustomTheme(ITheme* baseTheme, QFileInfo& fileInfo, bool isManifest)
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{
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if (isManifest) {
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m_id = fileInfo.dir().dirName();
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QString path = FS::PathCombine("themes", m_id);
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QString pathResources = FS::PathCombine("themes", m_id, "resources");
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if (!FS::ensureFolderPathExists(path) || !FS::ensureFolderPathExists(pathResources)) {
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themeWarningLog() << "couldn't create folder for theme!";
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return;
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}
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auto themeFilePath = FS::PathCombine(path, themeFile);
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bool jsonDataIncomplete = false;
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m_palette = baseTheme->colorScheme();
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if (readThemeJson(themeFilePath, m_palette, m_fadeAmount, m_fadeColor, m_name, m_widgets, m_qssFilePath, jsonDataIncomplete)) {
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// If theme data was found, fade "Disabled" color of each role according to FadeAmount
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m_palette = fadeInactive(m_palette, m_fadeAmount, m_fadeColor);
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} else {
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themeDebugLog() << "Did not read theme json file correctly, not changing theme, keeping previous.";
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return;
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}
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// 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)
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if (jsonDataIncomplete) {
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writeThemeJson(fileInfo.absoluteFilePath(), m_palette, m_fadeAmount, m_fadeColor, m_name, m_widgets, m_qssFilePath);
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}
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auto qssFilePath = FS::PathCombine(path, m_qssFilePath);
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QFileInfo info(qssFilePath);
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if (info.isFile()) {
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try {
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// TODO: validate qss?
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m_styleSheet = QString::fromUtf8(FS::read(qssFilePath));
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} catch (const Exception& e) {
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themeWarningLog() << "Couldn't load qss:" << e.cause() << "from" << qssFilePath;
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return;
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}
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} else {
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themeDebugLog() << "No theme qss present.";
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}
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} else {
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m_id = fileInfo.fileName();
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m_name = fileInfo.baseName();
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QString path = fileInfo.filePath();
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// themeDebugLog << "Theme ID: " << m_id;
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// themeDebugLog << "Theme Name: " << m_name;
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// themeDebugLog << "Theme Path: " << path;
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if (!FS::ensureFilePathExists(path)) {
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themeWarningLog() << m_name << " Theme file path doesn't exist!";
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m_palette = baseTheme->colorScheme();
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m_styleSheet = baseTheme->appStyleSheet();
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return;
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}
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m_palette = baseTheme->colorScheme();
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try {
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// TODO: validate qss?
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m_styleSheet = QString::fromUtf8(FS::read(path));
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} catch (const Exception& e) {
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themeWarningLog() << "Couldn't load qss:" << e.cause() << "from" << path;
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m_styleSheet = baseTheme->appStyleSheet();
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}
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}
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}
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QStringList CustomTheme::searchPaths()
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{
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return { FS::PathCombine("themes", m_id, "resources") };
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}
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QString CustomTheme::id()
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{
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return m_id;
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}
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QString CustomTheme::name()
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{
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return m_name;
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}
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bool CustomTheme::hasColorScheme()
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{
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return true;
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}
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QPalette CustomTheme::colorScheme()
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{
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return m_palette;
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}
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bool CustomTheme::hasStyleSheet()
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{
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return true;
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}
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QString CustomTheme::appStyleSheet()
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{
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return m_styleSheet;
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}
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double CustomTheme::fadeAmount()
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{
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return m_fadeAmount;
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}
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QColor CustomTheme::fadeColor()
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{
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return m_fadeColor;
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}
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QString CustomTheme::qtTheme()
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{
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return m_widgets;
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}
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