QmlDesigner: Add image info to content library texture tooltip

Fixes: QDS-8489
Change-Id: I1afbf91ad12839cc93a46f0a608ab3bda135b76b
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qmldesigner/contentLibraryQmlSource/ContentLibraryTexture.qml

@@ -23,6 +23,7 @@ Image {
 
         anchors.fill: parent
         acceptedButtons: Qt.LeftButton | Qt.RightButton
+        hoverEnabled: true
 
         onPressed: (mouse) => {
             if (mouse.button === Qt.LeftButton)
@@ -31,4 +32,20 @@ Image {
                 root.showContextMenu()
         }
     }
+
+    ToolTip {
+        visible: mouseArea.containsMouse
+        // contentWidth is not calculated correctly by the toolTip (resulting in a wider tooltip than
+        // needed). Using a helper Text to calculate the correct width
+        contentWidth: helperText.width
+        bottomInset: -2
+        text: modelData.textureToolTip
+        delay: 1000
+
+        Text {
+            id: helperText
+            text: modelData.textureToolTip
+            visible: false
+        }
+    }
 }

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

@@ -3,12 +3,17 @@
 
 #include "contentlibrarytexture.h"
 
+#include "imageutils.h"
+
 namespace QmlDesigner {
 
 ContentLibraryTexture::ContentLibraryTexture(QObject *parent, const QString &path, const QUrl &icon)
     : QObject(parent)
     , m_path(path)
-    , m_icon(icon) {}
+    , m_icon(icon)
+{
+    m_toolTip = QLatin1String("%1\n%2").arg(path.split('/').last(), ImageUtils::imageInfo(path));
+}
 
 bool ContentLibraryTexture::filter(const QString &searchText)
 {

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

@@ -13,6 +13,7 @@ class ContentLibraryTexture : public QObject
     Q_OBJECT
 
     Q_PROPERTY(QString texturePath MEMBER m_path CONSTANT)
+    Q_PROPERTY(QString textureToolTip MEMBER m_toolTip CONSTANT)
     Q_PROPERTY(QUrl textureIcon MEMBER m_icon CONSTANT)
     Q_PROPERTY(bool textureVisible MEMBER m_visible NOTIFY textureVisibleChanged)
 
@@ -29,6 +30,7 @@ signals:
 
 private:
     QString m_path;
+    QString m_toolTip;
     QUrl m_icon;
 
     bool m_visible = true;