Fix groups keeping keyboard grab state on unselect,

add Shift modifier to move items faster with keyboard
Related to #203 #216

src/timeline2/model/timelinemodel.cpp

@@ -3115,22 +3115,27 @@ bool TimelineModel::requestClearSelection(bool onDeletion)
         return true;
     }
     if (isGroup(m_currentSelection)) {
-        if (m_groups->getType(m_currentSelection) == GroupType::Selection) {
-            // Reset offset display on clips
-            std::unordered_set<int> items = getCurrentSelection();
-            for (auto &id : items) {
-                if (isClip(id)) {
-                    m_allClips[id]->clearOffset();
-                    if (m_allClips[id]->isGrabbed()) {
-                        m_allClips[id]->setGrab(false);
-                    }
-                } else if (isComposition(id)) {
-                    if (m_allCompositions[id]->isGrabbed()) {
-                        m_allCompositions[id]->setGrab(false);
-                    }
+        // Reset offset display on clips
+        std::unordered_set<int> items = getCurrentSelection();
+        for (auto &id : items) {
+            if (isGroup(id)) {
+                std::unordered_set<int> children = m_groups->getLeaves(id);
+                for (int c : children) {
+                    items.insert(c);
                 }
+            } else if (isClip(id)) {
+                m_allClips[id]->clearOffset();
+                if (m_allClips[id]->isGrabbed()) {
+                    m_allClips[id]->setGrab(false);
+                }
+            } else if (isComposition(id)) {
+                if (m_allCompositions[id]->isGrabbed()) {
+                    m_allCompositions[id]->setGrab(false);
+                }
+            }
+            if (m_groups->getType(m_currentSelection) == GroupType::Selection) {
+                m_groups->destructGroupItem(m_currentSelection);
             }
-            m_groups->destructGroupItem(m_currentSelection);
         }
     } else {
         if (isClip(m_currentSelection)) {

src/timeline2/view/qml/Clip.qml

@@ -255,10 +255,12 @@ Rectangle {
         }
         Keys.onShortcutOverride: event.accepted = clipRoot.isGrabbed && (event.key === Qt.Key_Left || event.key === Qt.Key_Right || event.key === Qt.Key_Up || event.key === Qt.Key_Down)
         Keys.onLeftPressed: {
-            controller.requestClipMove(clipRoot.clipId, clipRoot.trackId, clipRoot.modelStart - 1, true, true, true);
+            var offset = event.modifiers === Qt.ShiftModifier ? timeline.fps() : 1
+            controller.requestClipMove(clipRoot.clipId, clipRoot.trackId, clipRoot.modelStart - offset, true, true, true);
         }
         Keys.onRightPressed: {
-            controller.requestClipMove(clipRoot.clipId, clipRoot.trackId, clipRoot.modelStart + 1, true, true, true);
+            var offset = event.modifiers === Qt.ShiftModifier ? timeline.fps() : 1
+            controller.requestClipMove(clipRoot.clipId, clipRoot.trackId, clipRoot.modelStart + offset, true, true, true);
         }
         Keys.onUpPressed: {
             controller.requestClipMove(clipRoot.clipId, controller.getNextTrackId(clipRoot.trackId), clipRoot.modelStart, true, true, true);

src/timeline2/view/qml/Composition.qml

@@ -122,10 +122,12 @@ Item {
         hoverEnabled: true
         Keys.onShortcutOverride: event.accepted = compositionRoot.isGrabbed && (event.key === Qt.Key_Left || event.key === Qt.Key_Right || event.key === Qt.Key_Up || event.key === Qt.Key_Down)
         Keys.onLeftPressed: {
-            controller.requestCompositionMove(compositionRoot.clipId, compositionRoot.originalTrackId, compositionRoot.modelStart - 1, true, true)
+            var offset = event.modifiers === Qt.ShiftModifier ? timeline.fps() : 1
+            controller.requestCompositionMove(compositionRoot.clipId, compositionRoot.originalTrackId, compositionRoot.modelStart - offset, true, true)
         }
         Keys.onRightPressed: {
-            controller.requestCompositionMove(compositionRoot.clipId, compositionRoot.originalTrackId, compositionRoot.modelStart + 1, true, true)
+            var offset = event.modifiers === Qt.ShiftModifier ? timeline.fps() : 1
+            controller.requestCompositionMove(compositionRoot.clipId, compositionRoot.originalTrackId, compositionRoot.modelStart + offset, true, true)
         }
         Keys.onUpPressed: {
             controller.requestCompositionMove(compositionRoot.clipId, controller.getNextTrackId(compositionRoot.originalTrackId), compositionRoot.modelStart, true, true)