QmlDesigner: Fix some parsing issues in effect maker

Task-number: QDS-10987
Change-Id: Ifeb42f9e04ba39ddaa45a03b60eb12ce1652c61a
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

share/qtcreator/qmldesigner/effectMakerQmlSources/EffectMaker.qml

@@ -32,6 +32,12 @@ Item {
 
         EffectMakerPreview {
             mainRoot: root
+
+            FrameAnimation {
+                id: previewFrameTimer
+                running: true
+                paused: false // TODO: from the toolbar
+            }
         }
 
         Rectangle {

share/qtcreator/qmldesigner/effectMakerQmlSources/EffectMakerPreview.qml

@@ -12,6 +12,9 @@ import EffectMakerBackend
 Column {
     id: root
 
+    property real animatedTime: 0 //TODO get from animator
+    property int animatedFrame: 0 //TODO get from animator
+
     width: parent.width
 
     required property Item mainRoot

src/plugins/effectmakernew/compositionnode.cpp

@@ -102,7 +102,7 @@ void CompositionNode::parse(const QString &qenPath)
     // parse properties
     QJsonArray jsonProps = json.value("properties").toArray();
     for (const auto /*QJsonValueRef*/ &prop : jsonProps) {
-        const auto uniform = new Uniform(prop.toObject());
+        const auto uniform = new Uniform(prop.toObject(), qenPath);
         m_unifomrsModel.addUniform(uniform);
         g_propertyData.insert(uniform->name(), uniform->value());
     }

src/plugins/effectmakernew/effectmakermodel.cpp

@@ -60,6 +60,20 @@ EffectMakerModel::EffectMakerModel(QObject *parent)
         m_vertexShaderFilename = m_vertexShaderFile.fileName();
         m_fragmentShaderFilename = m_fragmentShaderFile.fileName();
     }
+
+    connect(&m_fileWatcher, &Utils::FileSystemWatcher::fileChanged, this, [this]() {
+        // Update component with images not set.
+        m_loadComponentImages = false;
+        updateQmlComponent();
+        // Then enable component images with a longer delay than
+        // the component updating delay. This way Image elements
+        // will reload the changed image files.
+        const int enableImagesDelay = 200;
+        QTimer::singleShot(enableImagesDelay, this, [this]() {
+            m_loadComponentImages = true;
+            updateQmlComponent();
+        } );
+    });
 }
 
 QHash<int, QByteArray> EffectMakerModel::roleNames() const
@@ -734,6 +748,7 @@ void EffectMakerModel::handleQsbProcessExit(Utils::Process *qsbProcess, const QS
     --m_remainingQsbTargets;
 
     const QString errStr = qsbProcess->errorString();
+    auto std = qsbProcess->stdErr();
     if (!errStr.isEmpty())
         qWarning() << QString("Failed to generate QSB file for: %1 %2").arg(shader, errStr);
 
@@ -891,12 +906,47 @@ void EffectMakerModel::setShadersUpToDate(bool UpToDate)
     emit shadersUpToDateChanged();
 }
 
+// Returns name for image mipmap property.
+// e.g. "myImage" -> "myImageMipmap".
+QString EffectMakerModel::mipmapPropertyName(const QString &name) const
+{
+    QString simplifiedName = name.simplified();
+    simplifiedName = simplifiedName.remove(' ');
+    simplifiedName += "Mipmap";
+    return simplifiedName;
+}
+
 QString EffectMakerModel::getQmlImagesString(bool localFiles)
 {
-    Q_UNUSED(localFiles)
-
-    // TODO
-    return QString();
+    QString imagesString;
+    const QList<Uniform *> uniforms = allUniforms();
+    for (Uniform *uniform : uniforms) {
+        if (uniform->type() == Uniform::Type::Sampler) {
+            QString imagePath = uniform->value().toString();
+            if (imagePath.isEmpty())
+                continue;
+            imagesString += "        Image {\n";
+            QString simplifiedName = getImageElementName(*uniform);
+            imagesString += QString("            id: %1\n").arg(simplifiedName);
+            imagesString += "            anchors.fill: parent\n";
+            // File paths are absolute, return as local when requested
+            if (localFiles) {
+                QFileInfo fi(imagePath);
+                imagePath = fi.fileName();
+            }
+            if (m_loadComponentImages)
+                imagesString += QString("            source: \"%1\"\n").arg(imagePath);
+            if (!localFiles) {
+                QString mipmapProperty = mipmapPropertyName(uniform->name());
+                imagesString += QString("            mipmap: g_propertyData.%1\n").arg(mipmapProperty);
+            } else if (uniform->enableMipmap()) {
+                imagesString += "            mipmap: true\n";
+            }
+            imagesString += "            visible: false\n";
+            imagesString += "        }\n";
+        }
+    }
+    return imagesString;
 }
 
 QString EffectMakerModel::getQmlComponentString(bool localFiles)
@@ -971,5 +1021,35 @@ void EffectMakerModel::updateQmlComponent()
     m_qmlComponentString = getQmlComponentString(false);
 }
 
+// Removes "file:" from the URL path.
+// So e.g. "file:///C:/myimages/steel1.jpg" -> "C:/myimages/steel1.jpg"
+QString EffectMakerModel::stripFileFromURL(const QString &urlString) const
+{
+    QUrl url(urlString);
+    QString filePath = (url.scheme() == QStringLiteral("file")) ? url.toLocalFile() : url.toString();
+    return filePath;
+}
+
+void EffectMakerModel::updateImageWatchers()
+{
+    const QList<Uniform *> uniforms = allUniforms();
+    for (Uniform *uniform : uniforms) {
+        if (uniform->type() == Uniform::Type::Sampler) {
+            // Watch all image properties files
+            QString imagePath = stripFileFromURL(uniform->value().toString());
+            if (imagePath.isEmpty())
+                continue;
+            m_fileWatcher.addFile(imagePath, Utils::FileSystemWatcher::WatchAllChanges);
+        }
+    }
+}
+
+void EffectMakerModel::clearImageWatchers()
+{
+    const auto watchedFiles = m_fileWatcher.files();
+    if (!watchedFiles.isEmpty())
+        m_fileWatcher.removeFiles(watchedFiles);
+}
+
 } // namespace EffectMaker
 

src/plugins/effectmakernew/effectmakermodel.h

@@ -6,7 +6,9 @@
 #include "shaderfeatures.h"
 
 #include <utils/filepath.h>
+#include <utils/filesystemwatcher.h>
 
+#include <QFileSystemWatcher>
 #include <QMap>
 #include <QRegularExpression>
 #include <QStandardItemModel>
@@ -132,10 +134,14 @@ private:
     QString generateVertexShader(bool includeUniforms = true);
     QString generateFragmentShader(bool includeUniforms = true);
     void handleQsbProcessExit(Utils::Process *qsbProcess, const QString &shader);
+    QString stripFileFromURL(const QString &urlString) const;
+    void updateImageWatchers();
+    void clearImageWatchers();
 
     void updateCustomUniforms();
     void bakeShaders();
 
+    QString mipmapPropertyName(const QString &name) const;
     QString getQmlImagesString(bool localFiles);
     QString getQmlComponentString(bool localFiles);
 
@@ -169,6 +175,8 @@ private:
     // Used in preview QML, at ShaderEffect component of the file
     QString m_previewEffectPropertiesString;
     QString m_qmlComponentString;
+    bool m_loadComponentImages = true;
+    Utils::FileSystemWatcher m_fileWatcher;
 
     const QRegularExpression m_spaceReg = QRegularExpression("\\s+");
 };

src/plugins/effectmakernew/uniform.cpp

@@ -4,6 +4,7 @@
 #include "uniform.h"
 #include <qmldesignerplugin.h>
 
+#include "propertyhandler.h"
 
 #include <QColor>
 #include <QJsonObject>
@@ -11,7 +12,8 @@
 
 namespace EffectMaker {
 
-Uniform::Uniform(const QJsonObject &propObj)
+Uniform::Uniform(const QJsonObject &propObj, const QString &qenPath) :
+    m_qenPath(qenPath)
 {
     QString value, defaultValue, minValue, maxValue;
 
@@ -31,6 +33,7 @@ Uniform::Uniform(const QJsonObject &propObj)
             m_enableMipmap = getBoolValue(propObj.value("enableMipmap"), false);
         // Update the mipmap property
         QString mipmapProperty = mipmapPropertyName(m_name);
+        g_propertyData[mipmapProperty] = m_enableMipmap;
     }
     if (propObj.contains("value")) {
         value = propObj.value("value").toString();
@@ -164,9 +167,13 @@ bool Uniform::getBoolValue(const QJsonValue &jsonValue, bool defaultValue)
 // Used with sampler types
 QString Uniform::getResourcePath(const QString &value) const
 {
-    Q_UNUSED(value)
-    //TODO
-    return {};
+    QString filePath = value;
+    QDir dir(m_qenPath);
+    dir.cdUp();
+    QString absPath = dir.absoluteFilePath(filePath);
+    absPath = QDir::cleanPath(absPath);
+    absPath = QUrl::fromLocalFile(absPath).toString();
+    return absPath;
 }
 
 // Validation and setting values
@@ -263,10 +270,8 @@ QString Uniform::stringFromType(Uniform::Type type)
         return "vec2";
     else if (type == Type::Vec3)
         return "vec3";
-    else if (type == Type::Vec4)
+    else if (type == Type::Vec4 || type == Type::Color)
         return "vec4";
-    else if (type == Type::Color)
-        return "color";
     else if (type == Type::Sampler)
         return "sampler2D";
     else if (type == Type::Define)
@@ -292,7 +297,7 @@ Uniform::Type Uniform::typeFromString(const QString &typeString)
         return Uniform::Type::Vec4;
     else if (typeString == "color")
         return Uniform::Type::Color;
-    else if (typeString == "sampler2D")
+    else if (typeString == "image")
         return Uniform::Type::Sampler;
     else if (typeString == "define")
         return Uniform::Type::Define;

src/plugins/effectmakernew/uniform.h

@@ -42,7 +42,7 @@ public:
         Define
     };
 
-    Uniform(const QJsonObject &props);
+    Uniform(const QJsonObject &props, const QString &qenPath);
 
     Type type() const;
     QString typeName() const;
@@ -87,6 +87,7 @@ private:
     QVariant getInitializedVariant(bool maxValue);
     QVariant valueStringToVariant(const QString &value);
 
+    QString m_qenPath;
     Type m_type;
     QVariant m_value;
     QVariant m_defaultValue;