Prepare support for custom theme

src/Backend.cpp

@@ -35,15 +35,15 @@ Backend::Backend() : todoView(&mirai)
 
 	if (loadFile.open(QIODevice::ReadOnly)) {
 		QByteArray loadData = loadFile.readAll();
-		QJsonDocument json = QJsonDocument::fromJson(loadData);
+		configJson = QJsonDocument::fromJson(loadData);
 		loadFile.close();
-		if (!json.isObject()) {
+		if (!configJson.isObject()) {
 			qWarning() << "config.json is not a valid config file";
 			exit(1);
 		}
-		QJsonObject jsonRootObject = json.object();
+		QJsonObject jsonRootObject = configJson.object();
 
-		auto jsonFilesPath = json["files"];
+		auto jsonFilesPath = configJson["files"];
 		if (!jsonFilesPath.isArray()) {
 			qWarning() << "config.json should contains a 'files' string array";
 			exit(1);
@@ -60,7 +60,7 @@ Backend::Backend() : todoView(&mirai)
 			);
 		}
 
-		auto jsonTagsConfig = json["tags"];
+		auto jsonTagsConfig = configJson["tags"];
 		if (jsonTagsConfig.isObject()) {
 			for (auto &jsonTagConfigKey : jsonTagsConfig.toObject().keys()) {
 				tagsConfig[jsonTagConfigKey] =
@@ -341,6 +341,8 @@ void Backend::saveConfig()
 	}
 	rootJson["tags"] = tagsJson;
 
+	rootJson["theme"] = configJson["theme"];
+
 	QDir().mkpath(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation));
 	QFile configFile(getConfigFilePath());
 	if (!configFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
@@ -357,3 +359,23 @@ QString Backend::getConfigFilePath() const
 	QString configFolder = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
 	return configFolder + "/config.json";
 }
+
+QString Backend::getThemeColor(QString themeElementName)
+{
+	if (configJson["theme"].isNull()) {
+		std::cerr << "Warning: theme in config is null" << std::endl;
+		return "";
+	}
+
+	if (!configJson["theme"].isObject()) {
+		std::cerr << "Warning: theme in config is not an object" << std::endl;
+		return "";
+	}
+
+	if (!configJson["theme"].toObject()[themeElementName].isString()) {
+		std::cerr << "Warning: element " << themeElementName.toStdString()
+				  << " in theme in config is not valid" << std::endl;
+		return "";
+	}
+	return configJson["theme"].toObject()[themeElementName].toString();
+}

src/Backend.h

@@ -24,6 +24,7 @@
 #include <QtCore/QString>
 #include <QtQml/qqmlregistration.h>
 #include <memory>
+#include <qjsondocument.h>
 #include <qmap.h>
 
 #include "TaskItem.h"
@@ -56,6 +57,7 @@ class Backend : public QObject
 	Q_INVOKABLE QString getTagColor(QString tag);
 	Q_INVOKABLE void saveTagsColor(QVariant tags);
 	Q_INVOKABLE void saveFilesPath(QVariant filesPath);
+	Q_INVOKABLE QString getThemeColor(QString themeElementName);
 
   private:
 	void rebuildQMLTasksList();
@@ -73,6 +75,7 @@ class Backend : public QObject
 	// Both Todo and Calendar view use the todoView for now.
 	mirai::TasksView todoView;
 
+	QJsonDocument configJson;
 	QList<QMLTaskItem> QMLTasks;
 	QList<QMLTasksFile> QMLResources;
 	QList<QMLTag> QMLTags;

src/core/BaseResource.h

@@ -48,5 +48,6 @@ class BaseResource
 	std::vector<std::unique_ptr<TaskItem>> tasks;
 	bool isDirty_ = false;
 };
+
 } // namespace mirai
 #endif

src/qml/Main.qml

@@ -28,9 +28,12 @@ Window {
 		id: colorPalette
 		property QtObject selected: OneDark
 
-		function selectStyle(styleName) {
-			// TODO
-			selected = OneDark;
+		function applyCustomThemeFromConfig() {
+			//console.log(backend.getThemeColor("text"))
+		}
+
+		Component.onCompleted: {
+			applyCustomThemeFromConfig()
 		}
 	}
 

src/qml/TaskItem.qml

@@ -15,7 +15,7 @@ RowLayout {
 
 	function getFormatedText() {
 		if (task?.time && task.time != "") {
-			return `<font color=\"${"blue"}\">${task.time} \></font> ${task.text}`
+			return `<font color=\"${colorPalette.selected.textPlaceholder}\">${task.time} \></font> ${task.text}`
 		}
 		return task.text
 	}