Enable deletion of subtitle clips from timeline by right clicking on them

src/bin/model/subtitlemodel.cpp

@@ -48,7 +48,7 @@ std::shared_ptr<SubtitleModel> SubtitleModel::getModel()
 void SubtitleModel::parseSubtitle()
 {   
 	qDebug()<<"Parsing started";
-    QString filePath= "path_to_subtitle_file.srt";
+    QString filePath; //"path_to_subtitle_file.srt";
     m_subFilePath = filePath;
     QString start,end,comment;
     QString timeLine;
@@ -394,7 +394,7 @@ void SubtitleModel::moveSubtitle(GenTime oldPos, GenTime newPos)
 
 QString SubtitleModel::toJson()
 {
-    qDebug()<< "to JSON";
+    //qDebug()<< "to JSON";
     QJsonArray list;
     for (const auto &subtitle : m_subtitleList) {
         QJsonObject currentSubtitle;
@@ -411,12 +411,12 @@ QString SubtitleModel::toJson()
 
 void SubtitleModel::jsontoSubtitle(const QString &data)
 {
-	QString outFile = "path_to_temp_Subtitle.ass";
+	QString outFile = "path_to_temp_Subtitle.srt"; // use srt format as default unless file is imported (m_subFilePath)
     if (!outFile.contains(".ass"))
         qDebug()<< "srt file import"; // if imported file isn't .ass, it is .srt format
     QFile outF(outFile);
 
-    qDebug()<< "Import from JSON";
+    //qDebug()<< "Import from JSON";
     QWriteLocker locker(&m_lock);
     auto json = QJsonDocument::fromJson(data.toUtf8());
     if (!json.isArray()) {

src/timeline2/view/qml/timeline.qml

@@ -1505,17 +1505,23 @@ Rectangle {
                         property double delta: -1
                         property double originalDuration: -1
                         property double oldDelta: 0
-                        acceptedButtons: Qt.LeftButton
+                        acceptedButtons: Qt.LeftButton | Qt.RightButton
                         cursorShape: (pressed ? Qt.ClosedHandCursor : Qt.PointingHandCursor);
                         drag.target: subtitleBase
                         drag.axis: Drag.XAxis
                         onPressed: {
                             console.log('IT IS PRESSED')
-                            root.autoScrolling = false
-                            oldStartX = mouseX
-                            oldStartFrame = subtitleBase.x
-                            originalDuration = subtitleBase.width/timeScale
-                            console.log("originalDuration",originalDuration)
+                            if (mouse.button == Qt.RightButton) {
+                                console.log('RIGHT BUTTON CLICKED')
+                                timeline.deleteSubtitle(subtitleBase.x / timeline.scaleFactor)
+                            }
+                            else {
+                            	root.autoScrolling = false
+                            	oldStartX = mouseX
+                            	oldStartFrame = subtitleBase.x
+                            	originalDuration = subtitleBase.width/timeScale
+                            	console.log("originalDuration",originalDuration)
+                            }                            
                         }
                         onPositionChanged: {
                             if (pressed) {

src/timeline2/view/timelinecontroller.cpp

@@ -3709,3 +3709,11 @@ void TimelineController::addSubtitle()
     QString text = "Add Text";
     subtitleModel->addSubtitle(start, end, text);
 }
+
+void TimelineController::deleteSubtitle(int frame)
+{
+    auto subtitleModel = pCore->projectManager()->current()->getSubtitleModel();
+    GenTime start(frame, pCore->getCurrentFps());
+    subtitleModel->removeSubtitle(start);
+    return;
+}
\ No newline at end of file

src/timeline2/view/timelinecontroller.h

@@ -562,7 +562,10 @@ public:
     Q_INVOKABLE void moveSubtitle(int oldStartFrame, int newStartFrame);
     /** @brief Shift subtitle clips without changing the clip duration */
     Q_INVOKABLE void shiftSubtitle(int oldStartFrame, int newStartFrame, int endFrame=0, QString text="");
+    /** @brief Add subtitle clip at cursor's position in timeline */
     Q_INVOKABLE void addSubtitle();
+    /** @brief Delete subtitle clip with frame as start position*/
+    Q_INVOKABLE void deleteSubtitle(int frame);
 
 public slots:
     void resetView();