QmlDesigner: Set a sensible initial size for various views

Fixes: QDS-10493
Change-Id: Idfb49daa60e73a5ee12da0d418d5122b1b5f6e62
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

share/qtcreator/qmldesigner/materialEditorQmlSources/EmptyMaterialEditorPane.qml

@@ -10,6 +10,9 @@ import StudioTheme 1.0 as StudioTheme
 PropertyEditorPane {
     id: root
 
+    width: 420
+    height: 420
+
     signal toolBarAction(int action)
     signal previewEnvChanged(string env)
     signal previewModelChanged(string model)

share/qtcreator/qmldesigner/materialEditorQmlSources/MaterialEditorPane.qml

@@ -8,6 +8,9 @@ import HelperWidgets 2.0
 PropertyEditorPane {
     id: itemPane
 
+    width: 420
+    height: 420
+
     signal toolBarAction(int action)
     signal previewEnvChanged(string env)
     signal previewModelChanged(string model)

share/qtcreator/qmldesigner/textureEditorQmlSource/EmptyTextureEditorPane.qml

@@ -10,6 +10,9 @@ import StudioTheme 1.0 as StudioTheme
 PropertyEditorPane {
     id: root
 
+    width: 420
+    height: 420
+
     signal toolBarAction(int action)
 
     // Called from C++, dummy method to avoid warnings

share/qtcreator/qmldesigner/textureEditorQmlSource/TextureEditorPane.qml

@@ -8,6 +8,9 @@ import HelperWidgets 2.0
 PropertyEditorPane {
     id: itemPane
 
+    width: 420
+    height: 420
+
     signal toolBarAction(int action)
 
     // invoked from C++ to refresh material preview image

src/plugins/qmldesigner/components/contentlibrary/contentlibrarywidget.cpp

@@ -596,6 +596,11 @@ void ContentLibraryWidget::markTextureUpdated(const QString &textureKey)
         m_environmentsModel->markTextureHasNoUpdates(subcategory, textureKey);
 }
 
+QSize ContentLibraryWidget::sizeHint() const
+{
+    return {420, 420};
+}
+
 QList<QToolButton *> ContentLibraryWidget::createToolBarWidgets()
 {
     return {};

src/plugins/qmldesigner/components/contentlibrary/contentlibrarywidget.h

@@ -71,6 +71,8 @@ public:
     Q_INVOKABLE void updateSceneEnvState();
     Q_INVOKABLE void markTextureUpdated(const QString &textureKey);
 
+    QSize sizeHint() const override;
+
 signals:
     void bundleEffectDragStarted(QmlDesigner::ContentLibraryEffect *bundleEff);
     void bundleMaterialDragStarted(QmlDesigner::ContentLibraryMaterial *bundleMat);

src/plugins/qmldesigner/components/effectmaker/effectmakerwidget.cpp

@@ -109,6 +109,11 @@ void EffectMakerWidget::focusSection(int section)
     Q_UNUSED(section)
 }
 
+QSize EffectMakerWidget::sizeHint() const
+{
+    return {420, 420};
+}
+
 QString EffectMakerWidget::qmlSourcesPath()
 {
 #ifdef SHARE_QML_PATH

src/plugins/qmldesigner/components/effectmaker/effectmakerwidget.h

@@ -38,6 +38,8 @@ public:
     Q_INVOKABLE void addEffectNode(const QString &nodeQenPath);
     Q_INVOKABLE void focusSection(int section);
 
+    QSize sizeHint() const override;
+
 protected:
     bool eventFilter(QObject *obj, QEvent *event) override;
 

src/plugins/qmldesigner/components/materialbrowser/materialbrowserwidget.cpp

@@ -405,6 +405,11 @@ void MaterialBrowserWidget::clearPreviewCache()
     m_previewImageProvider->clearPixmapCache();
 }
 
+QSize MaterialBrowserWidget::sizeHint() const
+{
+    return {420, 420};
+}
+
 QPointer<MaterialBrowserModel> MaterialBrowserWidget::materialBrowserModel() const
 {
     return m_materialBrowserModel;

src/plugins/qmldesigner/components/materialbrowser/materialbrowserwidget.h

@@ -65,6 +65,8 @@ public:
 
     void clearPreviewCache();
 
+    QSize sizeHint() const override;
+
 signals:
     void materialSectionFocusedChanged();
     void isDraggingChanged();