Add function to edit end timings of each subtitle

src/bin/model/subtitlemodel.cpp

@@ -299,3 +299,13 @@ void SubtitleModel::addSnapPoint(GenTime startpos)
     // Update the list of snapModel known to be valid
     std::swap(m_regSnaps, validSnapModels);
 }
+
+void SubtitleModel::editEndPos(GenTime startPos, GenTime oldEndPos, GenTime newEndPos)
+{
+    auto model = getModel();
+    if(oldEndPos == newEndPos) return;
+    int row = static_cast<int>(std::distance(model->m_subtitleList.begin(), model->m_subtitleList.find(startPos)));
+    model->m_subtitleList[startPos].second = newEndPos;
+    emit model->dataChanged(model->index(row), model->index(row), QVector<int>() << EndPosRole);
+    return;
+}

src/bin/model/subtitlemodel.hpp

@@ -44,6 +44,13 @@ public:
 
     /** @brief Registers a snap model to the subtitle model */
     void registerSnap(const std::weak_ptr<SnapInterface> &snapModel);
+    
+    /** @brief Edit subtitle end timing
+        @param startPos is start timing position of subtitles
+        @param oldPos is the old position of the end time
+        @param pos defines the new position of the end time
+    */
+    void editEndPos(GenTime startPos, GenTime oldEndPos, GenTime newEndPos);
 
 public slots:
     /** @brief Function that parses through a subtitle file */

src/timeline2/view/timelinecontroller.cpp

@@ -25,6 +25,7 @@
 #include "bin/bin.h"
 #include "bin/clipcreator.hpp"
 #include "bin/model/markerlistmodel.hpp"
+#include "bin/model/subtitlemodel.hpp"
 #include "bin/projectclip.h"
 #include "bin/projectfolder.h"
 #include "bin/projectitemmodel.h"
@@ -3663,3 +3664,12 @@ void TimelineController::addTracks(int videoTracks, int audioTracks)
         undo();
     }
 }
+
+void TimelineController::editSubtitles(int startFrame, int oldEndFrame, int newEndFrame)
+{
+    auto subtitleModel = pCore->projectManager()->current()->getSubtitleModel();
+    GenTime startPos(startFrame, pCore->getCurrentFps());
+    GenTime endpos(oldEndFrame, pCore->getCurrentFps());
+    GenTime newendPos(newEndFrame, pCore->getCurrentFps());
+    subtitleModel->editEndPos(startPos, endpos, newendPos);
+}

src/timeline2/view/timelinecontroller.h

@@ -556,6 +556,8 @@ public:
     void addTracks(int videoTracks, int audioTracks);
     /** @brief Get in/out of currently selected items */
     QPoint selectionInOut() const;
+    /** @brief Edit the subtitle end timings */
+    void editSubtitles(int startFrame, int oldEndFrame, int newEndFrame);
 
 public slots:
     void resetView();