add themes to config so they persist between sessions

include/config.h

@@ -38,6 +38,7 @@ public:
         this->showPlayerView = false;
         this->showCursorTile = true;
         this->regionMapDimensions = QSize(32, 20);
+        this->theme = "default";
     }
     void setRecentProject(QString project);
     void setRecentMap(QString map);
@@ -49,6 +50,7 @@ public:
     void setShowPlayerView(bool enabled);
     void setShowCursorTile(bool enabled);
     void setRegionMapDimensions(int width, int height);
+    void setTheme(QString theme);
     QString getRecentProject();
     QString getRecentMap();
     MapSortOrder getMapSortOrder();
@@ -59,6 +61,7 @@ public:
     bool getShowPlayerView();
     bool getShowCursorTile();
     QSize getRegionMapDimensions();
+    QString getTheme();
 protected:
     QString getConfigFilepath();
     void parseConfigKeyValue(QString key, QString value);
@@ -81,6 +84,7 @@ private:
     bool showPlayerView;
     bool showCursorTile;
     QSize regionMapDimensions;
+    QString theme;
 };
 
 extern PorymapConfig porymapConfig;

include/mainwindow.h

@@ -211,6 +211,7 @@ private:
     void setProjectSpecificUIVisibility();
     void loadUserSettings();
     void restoreWindowState();
+    void setTheme(QString);
     bool openRecentProject();
     void updateTilesetEditor();
     QString getEventGroupFromTabWidget(QWidget *tab);

src/config.cpp

@@ -167,6 +167,8 @@ void PorymapConfig::parseConfigKeyValue(QString key, QString value) {
         } else {
             this->regionMapDimensions = QSize(w, h);
         }
+    } else if (key == "theme") {
+        this->theme = value;
     } else {
         logWarn(QString("Invalid config key found in config file %1: '%2'").arg(this->getConfigFilepath()).arg(key));
     }
@@ -189,6 +191,7 @@ QMap<QString, QString> PorymapConfig::getKeyValueMap() {
     map.insert("show_cursor_tile", this->showCursorTile ? "1" : "0");
     map.insert("region_map_dimensions", QString("%1x%2").arg(this->regionMapDimensions.width())
                                                         .arg(this->regionMapDimensions.height()));
+    map.insert("theme", this->theme);
     return map;
 }
 
@@ -263,6 +266,10 @@ void PorymapConfig::setRegionMapDimensions(int width, int height) {
     this->regionMapDimensions = QSize(width, height);
 }
 
+void PorymapConfig::setTheme(QString theme) {
+    this->theme = theme;
+}
+
 QString PorymapConfig::getRecentProject() {
     return this->recentProject;
 }
@@ -311,6 +318,10 @@ QSize PorymapConfig::getRegionMapDimensions() {
     return this->regionMapDimensions;
 }
 
+QString PorymapConfig::getTheme() {
+    return this->theme;
+}
+
 const QMap<BaseGameVersion, QString> baseGameVersionMap = {
     {BaseGameVersion::pokeruby, "pokeruby"},
     {BaseGameVersion::pokeemerald, "pokeemerald"},

src/mainwindow.cpp

@@ -227,6 +227,7 @@ void MainWindow::loadUserSettings() {
     ui->horizontalSlider_MetatileZoom->blockSignals(true);
     ui->horizontalSlider_MetatileZoom->setValue(porymapConfig.getMetatilesZoom());
     ui->horizontalSlider_MetatileZoom->blockSignals(false);
+    setTheme(porymapConfig.getTheme());
 }
 
 void MainWindow::restoreWindowState() {
@@ -239,6 +240,17 @@ void MainWindow::restoreWindowState() {
     this->ui->splitter_main->restoreState(geometry.value("main_splitter_state"));
 }
 
+void MainWindow::setTheme(QString theme) {
+    if (theme == "default") {
+        setStyleSheet("");
+    } else {
+        QFile File(QString(":/themes/%1.qss").arg(theme));
+        File.open(QFile::ReadOnly);
+        QString stylesheet = QLatin1String(File.readAll());
+        setStyleSheet(stylesheet);
+    }
+}
+
 bool MainWindow::openRecentProject() {
     QString default_dir = porymapConfig.getRecentProject();
     if (!default_dir.isNull() && default_dir.length() > 0) {
@@ -2136,6 +2148,7 @@ void MainWindow::on_actionThemes_triggered()
 
     NoScrollComboBox *themeSelector = new NoScrollComboBox();
     themeSelector->addItems(themes);
+    themeSelector->setCurrentText(porymapConfig.getTheme());
     form.addRow(new QLabel("Themes"), themeSelector);
 
     QDialogButtonBox buttonBox(QDialogButtonBox::Apply | QDialogButtonBox::Close, Qt::Horizontal, &themeSelectorWindow);
@@ -2143,15 +2156,8 @@ void MainWindow::on_actionThemes_triggered()
     connect(&buttonBox, &QDialogButtonBox::clicked, [&themeSelectorWindow, &buttonBox, themeSelector, this](QAbstractButton *button){
         if (button == buttonBox.button(QDialogButtonBox::Apply)) {
             QString theme = themeSelector->currentText();
-            if (theme == "default") {
+            porymapConfig.setTheme(theme);
-                setStyleSheet("");
+            this->setTheme(theme);
-                return;
-            }
-
-            QFile File(QString(":/themes/%1.qss").arg(theme));
-            File.open(QFile::ReadOnly);
-            QString stylesheet = QLatin1String(File.readAll());
-            setStyleSheet(stylesheet);
         }
     });
     connect(&buttonBox, SIGNAL(rejected()), &themeSelectorWindow, SLOT(reject()));