add QSyntaxHighlighter to Span inspector

examples/span-inspector/Cargo.toml

@@ -21,6 +21,7 @@ cxx-qt-gen = { workspace = true }
 proc-macro2.workspace = true
 prettyplease = { version = "0.2", features = ["verbatim"] }
 syn.workspace = true
+fancy-regex = "0.16.2"
 
 [build-dependencies]
 cxx-qt-build = { workspace = true, features = ["link_qt_object_files"] }

examples/span-inspector/build.rs

@@ -1,5 +1,6 @@
 // SPDX-FileCopyrightText: 2025 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
 // SPDX-FileContributor: Leon Matthes <leon.matthes@kdab.com>
+// SPDX-FileContributor: Quentin Weber <quentin.weber@kdab.com>
 //
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
@@ -16,5 +17,7 @@ fn main() {
         .qt_module("Network")
         .qt_module("Quick")
         .file("src/inspector.rs")
+        .qobject_header("include/helper.h")
         .build();
+    println!("cargo:rerun-if-changed=include/helper.h");
 }

examples/span-inspector/include/helper.h

@@ -0,0 +1,25 @@
+// clang-format off
+// SPDX-FileCopyrightText: 2025 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+// clang-format on
+// SPDX-FileContributor: Quentin Weber <quentin.weber@kdab.com>
+//
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
+#pragma once
+#include <QSyntaxHighlighter>
+
+class QSyntaxHighlighterCXX : public QSyntaxHighlighter
+{
+  Q_OBJECT
+public:
+  explicit QSyntaxHighlighterCXX(QTextDocument* doc)
+    : QSyntaxHighlighter(doc)
+  {
+  }
+
+protected:
+  std::unique_ptr<QTextBlock> currentBlockCXX()
+  {
+    return std::unique_ptr<QTextBlock>(new QTextBlock(currentBlock()));
+  }
+};

examples/span-inspector/qml/main.qml

@@ -1,5 +1,6 @@
 // SPDX-FileCopyrightText: 2025 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
 // SPDX-FileContributor: Leon Matthes <leon.matthes@kdab.com>
+// SPDX-FileContributor: Quentin Weber <quentin.weber@kdab.com>
 //
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
@@ -25,13 +26,9 @@ ApplicationWindow {
 
     SplitView {
         anchors.fill: parent
-        Item {
+        ScrollView {
             SplitView.preferredWidth: parent.width / 2
             TextArea {
-                id: inputEdit
-                SplitView.preferredWidth: parent.width / 2
-                wrapMode: TextArea.Wrap
-                anchors.fill: parent
                 clip: true
                 color: appWindow.textColor
                 Component.onCompleted: {
@@ -40,7 +37,7 @@ ApplicationWindow {
                 }
 
                 onCursorPositionChanged: {
-                    inspector.rebuildOutput(cursorPosition);
+                    inspector.updateCursor(cursorPosition);
                 }
 
                 onTextChanged: {