QmlDesigner: Add code editor for Effect Composer

Task-number: QDS-13443
Change-Id: I02c7a85336f283e0e55bab24459a91fa299abb40
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

src/plugins/effectcomposer/effectshaderscodeeditor.h

@@ -0,0 +1,61 @@
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#pragma once
+
+#include <texteditor/texteditor.h>
+
+QT_FORWARD_DECLARE_CLASS(QSettings)
+QT_FORWARD_DECLARE_CLASS(QToolBar)
+
+namespace EffectComposer {
+
+class EffectCodeEditorWidget;
+
+class EffectShadersCodeEditor : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(bool liveUpdate READ liveUpdate WRITE setLiveUpdate NOTIFY liveUpdateChanged)
+
+public:
+    EffectShadersCodeEditor(const QString &title = tr("Untitled Editor"), QWidget *parent = nullptr);
+    ~EffectShadersCodeEditor() override;
+
+    void showWidget();
+    void showWidget(int x, int y);
+
+    QString fragmentValue() const;
+    void setFragmentValue(const QString &text);
+
+    QString vertexValue() const;
+    void setVertexValue(const QString &text);
+
+    bool liveUpdate() const;
+    void setLiveUpdate(bool liveUpdate);
+
+signals:
+    void liveUpdateChanged(bool);
+    void fragmentValueChanged();
+    void vertexValueChanged();
+    void rebakeRequested();
+
+protected:
+    using QWidget::show;
+    EffectCodeEditorWidget *createJSEditor();
+    void setupUIComponents();
+
+    void closeEvent(QCloseEvent *event) override;
+
+private:
+    void writeLiveUpdateSettings();
+    void readAndApplyLiveUpdateSettings();
+    QToolBar *createToolbar();
+
+    QSettings *m_settings = nullptr;
+    QPointer<EffectCodeEditorWidget> m_fragmentEditor;
+    QPointer<EffectCodeEditorWidget> m_vertexEditor;
+
+    bool m_liveUpdate = false;
+};
+
+} // namespace EffectComposer