get basic quick item info

bridge/src/main.cpp

@@ -88,6 +88,8 @@ int main(int argc, char **argv)
         { QStringLiteral("selectQuickWindow"), QStringLiteral("Select a Quick window (by index into listQuickWindows) so the scene graph is introspected for it") },
         { QStringLiteral("selectQuickWindow/index"), QStringLiteral("0-based index of the window in listQuickWindows") },
         { QStringLiteral("listScenegraphNodes"), QStringLiteral("List the QSGNode tree of the selected Quick window") },
+        // QML item tree
+        { QStringLiteral("listQuickItems"), QStringLiteral("List the QQuickItem tree (QML item types, names, hierarchy)") },
         // SG node selection
         // TODO: re-enable when the selection-sync / sub-model-population bug is fixed
         // { QStringLiteral("selectScenegraphNode"), QStringLiteral("Select a SG node by address (from listScenegraphNodes) so geometry/material sub-models populate for it") },

bridge/src/scenegraph_tools.cpp

@@ -28,6 +28,7 @@
 
 // Model registration names (from plugins/quickinspector/quickinspector.cpp).
 static const char *kQuickWindowModel = "com.kdab.GammaRay.QuickWindowModel";
+static const char *kQuickItemModel = "com.kdab.GammaRay.QuickItemModel";
 static const char *kQuickSceneGraphModel = "com.kdab.GammaRay.QuickSceneGraphModel";
 static const char *kBaseName = "com.kdab.GammaRay.QuickSceneGraph";
 static const char *kMaterialIface = "com.kdab.GammaRay.MaterialExtensionInterface";
@@ -84,6 +85,46 @@ static QJsonArray walkChildren(const QAbstractItemModel *m, const QModelIndex &p
     return out;
 }
 
+// ItemFlags role value (QuickItemModelRole::ItemFlags = ObjectModel::UserRole = 261)
+static constexpr int kItemFlagsRole = 261;
+
+static QJsonObject flagsToJson(int flags)
+{
+    QJsonObject f;
+    f.insert(QStringLiteral("invisible"),        (flags & 1) != 0);
+    f.insert(QStringLiteral("zeroSize"),         (flags & 2) != 0);
+    f.insert(QStringLiteral("partiallyOutOfView"), (flags & 4) != 0);
+    f.insert(QStringLiteral("outOfView"),        (flags & 8) != 0);
+    f.insert(QStringLiteral("hasFocus"),         (flags & 16) != 0);
+    f.insert(QStringLiteral("hasActiveFocus"),   (flags & 32) != 0);
+    f.insert(QStringLiteral("justReceivedEvent"),(flags & 64) != 0);
+    f.insert(QStringLiteral("value"), flags);
+    return f;
+}
+
+static QJsonArray walkItemChildren(const QAbstractItemModel *m, const QModelIndex &parent, int depth)
+{
+    QJsonArray out;
+    if (depth <= 0)
+        return out;
+    for (int r = 0; r < m->rowCount(parent); ++r) {
+        const QModelIndex idx = m->index(r, 0, parent);
+        const QString name = m->data(idx, Qt::DisplayRole).toString();
+        const QModelIndex typeIdx = m->index(r, 1, parent);
+        const QString type = m->data(typeIdx, Qt::DisplayRole).toString();
+        const int flags = m->data(idx, kItemFlagsRole).toInt();
+        QJsonObject node;
+        node.insert(QStringLiteral("name"), name);
+        node.insert(QStringLiteral("type"), type);
+        if (flags)
+            node.insert(QStringLiteral("flags"), flagsToJson(flags));
+        if (m->hasChildren(idx))
+            node.insert(QStringLiteral("children"), walkItemChildren(m, idx, depth - 1));
+        out.append(node);
+    }
+    return out;
+}
+
 static void primeTree(const QAbstractItemModel *m, const QModelIndex &parent, int depth)
 {
     if (depth <= 0)
@@ -319,6 +360,25 @@ QString SceneGraphTools::selectQuickWindow(int index) const
     }).toJson(QJsonDocument::Compact));
 }
 
+// --- QML item tree ---
+
+QString SceneGraphTools::listQuickItems() const
+{
+    if (const QString e = ensureSession(); !e.isEmpty())
+        return e;
+
+    auto *m = m_session->model(QString::fromUtf8(kQuickItemModel));
+    if (!m)
+        return QString::fromUtf8(QJsonDocument(errorJson(
+            QStringLiteral("QuickItemModel not available (no Quick app attached?)"))).toJson(QJsonDocument::Compact));
+
+    // Prime the tree and wait for data to populate
+    primeAndWait(m, 6, 300, 500);
+
+    const QJsonArray tree = walkItemChildren(m, QModelIndex(), 16);
+    return QString::fromUtf8(QJsonDocument(tree).toJson(QJsonDocument::Compact));
+}
+
 QString SceneGraphTools::listScenegraphNodes() const
 {
     if (const QString e = ensureSession(); !e.isEmpty())

bridge/src/scenegraph_tools.h

@@ -52,6 +52,8 @@ public:
     // --- Window-level navigation ---
     Q_INVOKABLE QString listQuickWindows() const;
     Q_INVOKABLE QString selectQuickWindow(int index) const;
+    // --- QML item tree ---
+    Q_INVOKABLE QString listQuickItems() const;
 
     // --- SceneGraph navigation ---
     Q_INVOKABLE QString listScenegraphNodes() const;