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track movement with pointer tool

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This commit is contained in:
itsmattkc
2019-08-22 10:33:40 +10:00
parent f03cc8fe07
commit 0ede7bd319
8 changed files with 70 additions and 22 deletions
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app/widget/timelineview/tool/pointer.cpp
+13 -16
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@@ -55,31 +55,19 @@ void TimelineView::PointerTool::MouseMove(QMouseEvent *event)
if (!dragging_) {
drag_start_ = GetScenePos(event->pos());
track_start_ = parent()->SceneToTrack(drag_start_.y());
// Let's see if there's anything selected to drag
if (GetItemAtScenePos(drag_start_) != nullptr) {
QList<QGraphicsItem*> selected_items = parent()->scene_.selectedItems();
foreach (QGraphicsItem* item, selected_items) {
TimelineViewGhostItem* ghost = new TimelineViewGhostItem();
TimelineViewClipItem* clip_item = static_cast<TimelineViewClipItem*>(item);
TimelineViewGhostItem* ghost = TimelineViewGhostItem::FromClip(clip_item);
ClipBlock* clip = clip_item->clip();
ghost->SetY(clip_item->Y());
ghost->SetHeight(clip_item->Height());
ghost->SetIn(clip->in());
ghost->SetOut(clip->out());
ghost->SetScale(parent()->scale_);
ghost->SetData(Node::PtrToValue(clip));
// FIXME: Very bad. Change immediately.
ghost->SetTrack(parent()->SceneToTrack(drag_start_.y()));
ghost->setPos(clip_item->pos());
parent()->ghost_items_.append(ghost);
parent()->scene_.addItem(ghost);
}
}
@@ -89,17 +77,26 @@ void TimelineView::PointerTool::MouseMove(QMouseEvent *event)
} else if (!parent()->ghost_items_.isEmpty()) {
QPointF scene_pos = GetScenePos(event->pos());
int cursor_track = parent()->SceneToTrack(scene_pos.y());
int track_movement = cursor_track - track_start_;
QPointF movement = scene_pos - drag_start_;
rational time_movement = parent()->SceneToTime(movement.x());
// Validate movement
time_movement = ValidateMovement(time_movement, parent()->ghost_items_);
time_movement = ValidateFrameMovement(time_movement, parent()->ghost_items_);
track_movement = ValidateTrackMovement(track_movement, parent()->ghost_items_);
// Perform movement
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
ghost->SetInAdjustment(time_movement);
ghost->SetOutAdjustment(time_movement);
ghost->SetTrackAdjustment(track_movement);
int track = ghost->GetAdjustedTrack();
ghost->SetY(parent()->GetTrackY(track));
ghost->SetHeight(parent()->GetTrackHeight(track));
}
}
}
@@ -126,7 +123,7 @@ void TimelineView::PointerTool::MouseRelease(QMouseEvent *event)
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
Block* b = Node::ValueToPtr<Block>(ghost->data());
emit parent()->RequestPlaceBlock(b, ghost->GetAdjustedIn(), ghost->Track());
emit parent()->RequestPlaceBlock(b, ghost->GetAdjustedIn(), ghost->GetAdjustedTrack());
}
parent()->ClearGhosts();