Add launch profiles MVP

Store per-game launch profile overrides and active profile selection in library.json.

Add a quick profile toggle in the details sheet and minimal editing in the edit dialog. Apply the effective profile config in both launching and diagnostics.

src/game.cpp

@@ -185,6 +185,129 @@ void Game::setLaunchPrefixPath(const QString &path)
     }
 }
 
+QString Game::activeLaunchProfile() const
+{
+    return m_activeLaunchProfile;
+}
+
+void Game::setActiveLaunchProfile(const QString &profileId)
+{
+    const QString normalized = profileId.trimmed().isEmpty() ? QStringLiteral("default") : profileId.trimmed();
+    if (m_activeLaunchProfile != normalized) {
+        m_activeLaunchProfile = normalized;
+        Q_EMIT activeLaunchProfileChanged();
+    }
+}
+
+QVariantMap Game::launchProfileConfig(const QString &profileId) const
+{
+    const QString id = profileId.trimmed();
+    if (id.isEmpty() || id == QLatin1String("default")) {
+        return {};
+    }
+
+    const QVariant value = m_launchProfiles.value(id);
+    if (!value.isValid()) {
+        return {};
+    }
+
+    return value.toMap();
+}
+
+void Game::setLaunchProfileConfig(const QString &profileId, const QVariantMap &config)
+{
+    const QString id = profileId.trimmed();
+    if (id.isEmpty() || id == QLatin1String("default")) {
+        return;
+    }
+
+    QVariantMap cleaned;
+
+    const QString runner = config.value(QStringLiteral("runner")).toString().trimmed();
+    if (!runner.isEmpty()) {
+        cleaned.insert(QStringLiteral("runner"), runner);
+    }
+
+    const QString runnerPath = config.value(QStringLiteral("runnerPath")).toString().trimmed();
+    if (!runnerPath.isEmpty()) {
+        cleaned.insert(QStringLiteral("runnerPath"), runnerPath);
+    }
+
+    const QString prefixPath = config.value(QStringLiteral("prefixPath")).toString().trimmed();
+    if (!prefixPath.isEmpty()) {
+        cleaned.insert(QStringLiteral("prefixPath"), prefixPath);
+    }
+
+    const QVariantMap env = config.value(QStringLiteral("env")).toMap();
+    if (!env.isEmpty()) {
+        cleaned.insert(QStringLiteral("env"), env);
+    }
+
+    if (cleaned.isEmpty()) {
+        m_launchProfiles.remove(id);
+    } else {
+        m_launchProfiles.insert(id, cleaned);
+    }
+}
+
+QVariantMap Game::effectiveLaunchConfig() const
+{
+    QVariantMap result;
+
+    if (!m_launchRunner.isEmpty()) {
+        result.insert(QStringLiteral("runner"), m_launchRunner);
+    }
+    if (!m_launchRunnerPath.isEmpty()) {
+        result.insert(QStringLiteral("runnerPath"), m_launchRunnerPath);
+    }
+    if (!m_launchPrefixPath.isEmpty()) {
+        result.insert(QStringLiteral("prefixPath"), m_launchPrefixPath);
+    }
+    if (!m_launchEnv.isEmpty()) {
+        result.insert(QStringLiteral("env"), m_launchEnv);
+    }
+
+    const QString profileId = m_activeLaunchProfile.trimmed();
+    if (profileId.isEmpty() || profileId == QLatin1String("default")) {
+        return result;
+    }
+
+    const QVariantMap profileConfig = launchProfileConfig(profileId);
+    if (profileConfig.isEmpty()) {
+        return result;
+    }
+
+    const QString runner = profileConfig.value(QStringLiteral("runner")).toString().trimmed();
+    if (!runner.isEmpty()) {
+        result.insert(QStringLiteral("runner"), runner);
+    }
+
+    const QString runnerPath = profileConfig.value(QStringLiteral("runnerPath")).toString().trimmed();
+    if (!runnerPath.isEmpty()) {
+        result.insert(QStringLiteral("runnerPath"), runnerPath);
+    }
+
+    const QString prefixPath = profileConfig.value(QStringLiteral("prefixPath")).toString().trimmed();
+    if (!prefixPath.isEmpty()) {
+        result.insert(QStringLiteral("prefixPath"), prefixPath);
+    }
+
+    const QVariantMap profileEnv = profileConfig.value(QStringLiteral("env")).toMap();
+    if (!profileEnv.isEmpty()) {
+        QVariantMap mergedEnv;
+        const QVariantMap baseEnv = result.value(QStringLiteral("env")).toMap();
+        for (auto it = baseEnv.constBegin(); it != baseEnv.constEnd(); ++it) {
+            mergedEnv.insert(it.key(), it.value());
+        }
+        for (auto it = profileEnv.constBegin(); it != profileEnv.constEnd(); ++it) {
+            mergedEnv.insert(it.key(), it.value());
+        }
+        result.insert(QStringLiteral("env"), mergedEnv);
+    }
+
+    return result;
+}
+
 QString Game::platform() const
 {
     return m_platform;
@@ -323,7 +446,8 @@ QJsonObject Game::toJson() const
     obj[QStringLiteral("hidden")] = m_hidden;
     obj[QStringLiteral("installed")] = m_installed;
 
-    const bool hasLaunchConfig = !m_launchEnv.isEmpty() || !m_launchRunner.isEmpty() || !m_launchRunnerPath.isEmpty() || !m_launchPrefixPath.isEmpty();
+    const bool hasLaunchConfig = !m_launchEnv.isEmpty() || !m_launchRunner.isEmpty() || !m_launchRunnerPath.isEmpty() || !m_launchPrefixPath.isEmpty()
+        || !m_launchProfiles.isEmpty() || (!m_activeLaunchProfile.isEmpty() && m_activeLaunchProfile != QLatin1String("default"));
     if (hasLaunchConfig) {
         QJsonObject launchObj;
 
@@ -345,6 +469,57 @@ QJsonObject Game::toJson() const
             launchObj.insert(QStringLiteral("prefixPath"), m_launchPrefixPath);
         }
 
+        if (!m_activeLaunchProfile.isEmpty() && m_activeLaunchProfile != QLatin1String("default")) {
+            launchObj.insert(QStringLiteral("activeProfile"), m_activeLaunchProfile);
+        }
+
+        if (!m_launchProfiles.isEmpty()) {
+            QJsonObject profilesObj;
+            for (auto it = m_launchProfiles.constBegin(); it != m_launchProfiles.constEnd(); ++it) {
+                const QString profileId = it.key();
+                if (profileId.isEmpty() || profileId == QLatin1String("default")) {
+                    continue;
+                }
+
+                const QVariantMap profileConfig = it.value().toMap();
+                if (profileConfig.isEmpty()) {
+                    continue;
+                }
+
+                QJsonObject profileObj;
+
+                const QString runner = profileConfig.value(QStringLiteral("runner")).toString();
+                if (!runner.isEmpty()) {
+                    profileObj.insert(QStringLiteral("runner"), runner);
+                }
+                const QString runnerPath = profileConfig.value(QStringLiteral("runnerPath")).toString();
+                if (!runnerPath.isEmpty()) {
+                    profileObj.insert(QStringLiteral("runnerPath"), runnerPath);
+                }
+                const QString prefixPath = profileConfig.value(QStringLiteral("prefixPath")).toString();
+                if (!prefixPath.isEmpty()) {
+                    profileObj.insert(QStringLiteral("prefixPath"), prefixPath);
+                }
+
+                const QVariantMap env = profileConfig.value(QStringLiteral("env")).toMap();
+                if (!env.isEmpty()) {
+                    QJsonObject envObj;
+                    for (auto envIt = env.constBegin(); envIt != env.constEnd(); ++envIt) {
+                        envObj.insert(envIt.key(), QJsonValue::fromVariant(envIt.value()));
+                    }
+                    profileObj.insert(QStringLiteral("env"), envObj);
+                }
+
+                if (!profileObj.isEmpty()) {
+                    profilesObj.insert(profileId, profileObj);
+                }
+            }
+
+            if (!profilesObj.isEmpty()) {
+                launchObj.insert(QStringLiteral("profiles"), profilesObj);
+            }
+        }
+
         obj.insert(QStringLiteral("launch"), launchObj);
     }
 
@@ -393,6 +568,7 @@ Game *Game::fromJson(const QJsonObject &json, QObject *parent)
     QString runner;
     QString runnerPath;
     QString prefixPath;
+    QString activeProfile;
     const QJsonValue launchValue = json.value(QStringLiteral("launch"));
     if (launchValue.isObject()) {
         const QJsonObject launchObj = launchValue.toObject();
@@ -404,6 +580,51 @@ Game *Game::fromJson(const QJsonObject &json, QObject *parent)
         runner = launchObj.value(QStringLiteral("runner")).toString();
         runnerPath = launchObj.value(QStringLiteral("runnerPath")).toString();
         prefixPath = launchObj.value(QStringLiteral("prefixPath")).toString();
+
+        activeProfile = launchObj.value(QStringLiteral("activeProfile")).toString();
+
+        const QJsonValue profilesValue = launchObj.value(QStringLiteral("profiles"));
+        if (profilesValue.isObject()) {
+            const QJsonObject profilesObj = profilesValue.toObject();
+            for (auto it = profilesObj.constBegin(); it != profilesObj.constEnd(); ++it) {
+                if (!it.value().isObject()) {
+                    continue;
+                }
+
+                const QString profileId = it.key();
+                if (profileId.isEmpty() || profileId == QLatin1String("default")) {
+                    continue;
+                }
+
+                const QJsonObject profileObj = it.value().toObject();
+                QVariantMap profileConfig;
+
+                const QString pRunner = profileObj.value(QStringLiteral("runner")).toString();
+                if (!pRunner.isEmpty()) {
+                    profileConfig.insert(QStringLiteral("runner"), pRunner);
+                }
+                const QString pRunnerPath = profileObj.value(QStringLiteral("runnerPath")).toString();
+                if (!pRunnerPath.isEmpty()) {
+                    profileConfig.insert(QStringLiteral("runnerPath"), pRunnerPath);
+                }
+                const QString pPrefixPath = profileObj.value(QStringLiteral("prefixPath")).toString();
+                if (!pPrefixPath.isEmpty()) {
+                    profileConfig.insert(QStringLiteral("prefixPath"), pPrefixPath);
+                }
+
+                const QJsonValue pEnvValue = profileObj.value(QStringLiteral("env"));
+                if (pEnvValue.isObject()) {
+                    const QVariantMap pEnv = pEnvValue.toObject().toVariantMap();
+                    if (!pEnv.isEmpty()) {
+                        profileConfig.insert(QStringLiteral("env"), pEnv);
+                    }
+                }
+
+                if (!profileConfig.isEmpty()) {
+                    game->setLaunchProfileConfig(profileId, profileConfig);
+                }
+            }
+        }
     }
 
     const QJsonValue legacyEnvValue = json.value(QStringLiteral("launchEnv"));
@@ -435,6 +656,10 @@ Game *Game::fromJson(const QJsonObject &json, QObject *parent)
         game->setLaunchPrefixPath(prefixPath);
     }
 
+    if (!activeProfile.isEmpty()) {
+        game->setActiveLaunchProfile(activeProfile);
+    }
+
     return game;
 }
 

src/game.h

@@ -30,6 +30,7 @@ class Game : public QObject
     Q_PROPERTY(QString launchRunner READ launchRunner WRITE setLaunchRunner NOTIFY launchRunnerChanged)
     Q_PROPERTY(QString launchRunnerPath READ launchRunnerPath WRITE setLaunchRunnerPath NOTIFY launchRunnerPathChanged)
     Q_PROPERTY(QString launchPrefixPath READ launchPrefixPath WRITE setLaunchPrefixPath NOTIFY launchPrefixPathChanged)
+    Q_PROPERTY(QString activeLaunchProfile READ activeLaunchProfile WRITE setActiveLaunchProfile NOTIFY activeLaunchProfileChanged)
     Q_PROPERTY(QString platform READ platform WRITE setPlatform NOTIFY platformChanged)
     Q_PROPERTY(QString platformId READ platformId WRITE setPlatformId NOTIFY platformIdChanged)
     Q_PROPERTY(QDateTime dateAdded READ dateAdded WRITE setDateAdded NOTIFY dateAddedChanged)
@@ -82,6 +83,13 @@ public:
     QString launchPrefixPath() const;
     void setLaunchPrefixPath(const QString &path);
 
+    QString activeLaunchProfile() const;
+    void setActiveLaunchProfile(const QString &profileId);
+
+    Q_INVOKABLE QVariantMap launchProfileConfig(const QString &profileId) const;
+    Q_INVOKABLE void setLaunchProfileConfig(const QString &profileId, const QVariantMap &config);
+    QVariantMap effectiveLaunchConfig() const;
+
     QString platform() const;
     void setPlatform(const QString &platform);
 
@@ -129,6 +137,7 @@ Q_SIGNALS:
     void launchRunnerChanged();
     void launchRunnerPathChanged();
     void launchPrefixPathChanged();
+    void activeLaunchProfileChanged();
     void platformChanged();
     void platformIdChanged();
     void dateAddedChanged();
@@ -153,6 +162,8 @@ private:
     QString m_launchRunner;
     QString m_launchRunnerPath;
     QString m_launchPrefixPath;
+    QString m_activeLaunchProfile = QStringLiteral("default");
+    QVariantMap m_launchProfiles;
     QString m_platform;
     QString m_platformId;
     QDateTime m_dateAdded;

src/gamelauncher.cpp

@@ -153,10 +153,11 @@ QVariantMap GameLauncher::resolveLaunchInfo(Game *game) const
         return info;
     }
 
-    const QString runner = game->launchRunner().trimmed();
-    const QString runnerPath = game->launchRunnerPath().trimmed();
-    const QString prefixPath = game->launchPrefixPath().trimmed();
-    const QVariantMap launchEnv = game->launchEnv();
+    const QVariantMap effectiveLaunchConfig = game->effectiveLaunchConfig();
+    const QString runner = effectiveLaunchConfig.value(QStringLiteral("runner")).toString().trimmed();
+    const QString runnerPath = effectiveLaunchConfig.value(QStringLiteral("runnerPath")).toString().trimmed();
+    const QString prefixPath = effectiveLaunchConfig.value(QStringLiteral("prefixPath")).toString().trimmed();
+    const QVariantMap launchEnv = effectiveLaunchConfig.value(QStringLiteral("env")).toMap();
     const bool hasLaunchOverrides = !runner.isEmpty() || !runnerPath.isEmpty() || !prefixPath.isEmpty() || !launchEnv.isEmpty();
 
     info.insert(QStringLiteral("runner"), runner);
@@ -297,10 +298,11 @@ void GameLauncher::launchGame(Game *game)
         return;
     }
 
-    const QString runner = game->launchRunner().trimmed();
-    const QString runnerPath = game->launchRunnerPath().trimmed();
-    const QString prefixPath = game->launchPrefixPath().trimmed();
-    const QVariantMap launchEnv = game->launchEnv();
+    const QVariantMap effectiveLaunchConfig = game->effectiveLaunchConfig();
+    const QString runner = effectiveLaunchConfig.value(QStringLiteral("runner")).toString().trimmed();
+    const QString runnerPath = effectiveLaunchConfig.value(QStringLiteral("runnerPath")).toString().trimmed();
+    const QString prefixPath = effectiveLaunchConfig.value(QStringLiteral("prefixPath")).toString().trimmed();
+    const QVariantMap launchEnv = effectiveLaunchConfig.value(QStringLiteral("env")).toMap();
     const bool hasLaunchOverrides = !runner.isEmpty() || !runnerPath.isEmpty() || !prefixPath.isEmpty() || !launchEnv.isEmpty();
 
     // Check if already running

src/qml/GameDetailsSheet.qml

@@ -418,6 +418,17 @@ Kirigami.OverlaySheet {
                             onClicked: detailsSheet.editRequested()
                         }
 
+                        QQC2.Button {
+                            icon.name: "preferences-other"
+                            text: game && game.activeLaunchProfile === "couch" ? i18n("Profile: Couch") : i18n("Profile: Default")
+                            display: detailsSheet.useCompactLayout ? QQC2.AbstractButton.TextUnderIcon : QQC2.AbstractButton.TextBesideIcon
+                            enabled: !!game
+                            onClicked: if (game) {
+                                game.activeLaunchProfile = (game.activeLaunchProfile === "couch") ? "default" : "couch"
+                                App.saveLibrary()
+                            }
+                        }
+
                         QQC2.Button {
                             icon.name: "dialog-information"
                             text: i18n("Diagnostics")

src/qml/GameEditDialog.qml

@@ -14,6 +14,7 @@ Kirigami.Dialog {
 
     property var game: null
     property bool isEditing: game !== null
+    property string editProfileId: "default"
 
     ListModel {
         id: envModel
@@ -49,10 +50,19 @@ Kirigami.Dialog {
                     game.developer = developerField.text.trim()
                     game.launchCommand = executableField.text.trim()
                     game.workingDirectory = workingDirField.text.trim()
-                    game.launchEnv = dialog.envModelToMap()
-                    game.launchRunner = runnerValue
-                    game.launchRunnerPath = runnerPathValue
-                    game.launchPrefixPath = prefixPathValue
+                    if (dialog.editProfileId === "couch") {
+                        game.setLaunchProfileConfig("couch", {
+                            "runner": runnerValue,
+                            "runnerPath": runnerPathValue,
+                            "prefixPath": prefixPathValue,
+                            "env": dialog.envModelToMap()
+                        })
+                    } else {
+                        game.launchEnv = dialog.envModelToMap()
+                        game.launchRunner = runnerValue
+                        game.launchRunnerPath = runnerPathValue
+                        game.launchPrefixPath = prefixPathValue
+                    }
                     if (selectedCoverPath !== "") {
                         App.setCoverFromFile(game, selectedCoverPath)
                     }
@@ -86,12 +96,15 @@ Kirigami.Dialog {
 
     property string selectedCoverPath: ""
 
-    readonly property bool anyMenuOpen: runnerCombo && runnerCombo.popup && runnerCombo.popup.visible
+    readonly property bool anyMenuOpen: (runnerCombo && runnerCombo.popup && runnerCombo.popup.visible) || (profileCombo && profileCombo.popup && profileCombo.popup.visible)
 
     function closeCurrentMenu() {
         if (runnerCombo && runnerCombo.popup && runnerCombo.popup.visible) {
             runnerCombo.popup.close()
         }
+        if (profileCombo && profileCombo.popup && profileCombo.popup.visible) {
+            profileCombo.popup.close()
+        }
     }
 
     function isDescendant(item, ancestor) {
@@ -181,35 +194,72 @@ Kirigami.Dialog {
         return 0
     }
 
-    function loadFields() {
-        selectedCoverPath = ""
+    function profileIdFromIndex(idx) {
+        if (idx === 1) return "couch"
+        return "default"
+    }
+
+    function profileIndexFromId(profileId) {
+        if ((profileId || "").trim() === "couch") return 1
+        return 0
+    }
+
+    function loadProfileFields() {
         envModel.clear()
-        if (isEditing && game) {
-            nameField.text = game.name || ""
-            developerField.text = game.developer || ""
-            executableField.text = game.launchCommand || ""
-            workingDirField.text = game.workingDirectory || ""
 
-            runnerCombo.currentIndex = dialog.runnerToIndex(game.launchRunner)
-            runnerPathField.text = game.launchRunnerPath || ""
-            prefixPathField.text = game.launchPrefixPath || ""
+        if (!isEditing || !game) {
+            runnerCombo.currentIndex = 0
+            runnerPathField.text = ""
+            prefixPathField.text = ""
+            return
+        }
 
-            let env = game.launchEnv || ({})
+        if (dialog.editProfileId === "couch") {
+            let cfg = game.launchProfileConfig("couch") || ({})
+            runnerCombo.currentIndex = dialog.runnerToIndex(cfg.runner)
+            runnerPathField.text = cfg.runnerPath || ""
+            prefixPathField.text = cfg.prefixPath || ""
+            let env = cfg.env || ({})
             let keys = Object.keys(env)
             keys.sort()
             for (let i = 0; i < keys.length; i++) {
                 let k = keys[i]
                 envModel.append({ key: k, value: String(env[k]) })
             }
+        } else {
+            runnerCombo.currentIndex = dialog.runnerToIndex(game.launchRunner)
+            runnerPathField.text = game.launchRunnerPath || ""
+            prefixPathField.text = game.launchPrefixPath || ""
+            let env = game.launchEnv || ({})
+            let keys = Object.keys(env)
+            keys.sort()
+            for (let i = 0; i < keys.length; i++) {
+                let k = keys[i]
+                envModel.append({ key: k, value: String(env[k]) })
+            }
+        }
+    }
+
+    function loadFields() {
+        selectedCoverPath = ""
+        if (isEditing && game) {
+            nameField.text = game.name || ""
+            developerField.text = game.developer || ""
+            executableField.text = game.launchCommand || ""
+            workingDirField.text = game.workingDirectory || ""
+
+            dialog.editProfileId = game.activeLaunchProfile === "couch" ? "couch" : "default"
+            profileCombo.currentIndex = dialog.profileIndexFromId(dialog.editProfileId)
+            dialog.loadProfileFields()
         } else {
             nameField.text = ""
             developerField.text = ""
             executableField.text = ""
             workingDirField.text = ""
 
-            runnerCombo.currentIndex = 0
-            runnerPathField.text = ""
-            prefixPathField.text = ""
+            dialog.editProfileId = "default"
+            profileCombo.currentIndex = 0
+            dialog.loadProfileFields()
         }
     }
 
@@ -325,6 +375,35 @@ Kirigami.Dialog {
                     title: i18n("Compatibility")
                 }
 
+                Item {
+                    Layout.fillWidth: true
+                    Layout.margins: Kirigami.Units.largeSpacing
+                    visible: isEditing
+
+                    RowLayout {
+                        anchors.left: parent.left
+                        anchors.right: parent.right
+                        spacing: Kirigami.Units.largeSpacing
+
+                        QQC2.Label {
+                            text: i18n("Profile")
+                            Layout.alignment: Qt.AlignVCenter
+                        }
+
+                        QQC2.ComboBox {
+                            id: profileCombo
+                            Layout.fillWidth: true
+                            model: [i18n("Default"), i18n("Couch")]
+                            onCurrentIndexChanged: if (dialog.isEditing) {
+                                dialog.editProfileId = dialog.profileIdFromIndex(currentIndex)
+                                dialog.loadProfileFields()
+                            }
+                        }
+                    }
+                }
+
+                FormCard.FormDelegateSeparator { visible: isEditing }
+
                 Item {
                     Layout.fillWidth: true
                     Layout.margins: Kirigami.Units.largeSpacing