itsmattkc
1ba254ae87
The user can now create transitions on each side as well as transitions between blocks.
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
#include "widget/timelinewidget/timelinewidget.h"
|
|
|
|
#include "node/block/transition/crossdissolve/crossdissolve.h"
|
|
#include "widget/nodeview/nodeviewundo.h"
|
|
|
|
TimelineWidget::TransitionTool::TransitionTool(TimelineWidget *parent) :
|
|
AddTool(parent)
|
|
{
|
|
}
|
|
|
|
void TimelineWidget::TransitionTool::MousePress(TimelineViewMouseEvent *event)
|
|
{
|
|
const TrackReference& track = event->GetCoordinates().GetTrack();
|
|
TrackOutput* t = parent()->GetTrackFromReference(track);
|
|
rational cursor_frame = event->GetCoordinates().GetFrame();
|
|
|
|
if (!t || t->IsLocked()) {
|
|
return;
|
|
}
|
|
|
|
Block* block_at_time = t->BlockAtTime(event->GetCoordinates().GetFrame());
|
|
if (!block_at_time || block_at_time->type() != Block::kClip) {
|
|
return;
|
|
}
|
|
|
|
// Determine which side of the clip the transition belongs to
|
|
rational transition_start_point;
|
|
olive::timeline::MovementMode trim_mode;
|
|
rational halfway_point = block_at_time->in() + block_at_time->length() / 2;
|
|
rational tenth_point = block_at_time->in() + block_at_time->length() / 10;
|
|
if (cursor_frame < halfway_point) {
|
|
transition_start_point = block_at_time->in();
|
|
trim_mode = olive::timeline::kTrimIn;
|
|
dual_transition_ = (cursor_frame < tenth_point);
|
|
} else {
|
|
transition_start_point = block_at_time->out();
|
|
trim_mode = olive::timeline::kTrimOut;
|
|
dual_transition_ = (cursor_frame > block_at_time->length() - tenth_point);
|
|
}
|
|
|
|
// Create ghost
|
|
ghost_ = new TimelineViewGhostItem();
|
|
ghost_->SetTrack(track);
|
|
ghost_->SetYCoords(parent()->GetTrackY(track), parent()->GetTrackHeight(track));
|
|
ghost_->SetIn(transition_start_point);
|
|
ghost_->SetOut(transition_start_point);
|
|
ghost_->SetMode(trim_mode);
|
|
ghost_->setData(TimelineViewGhostItem::kAttachedBlock, Node::PtrToValue(block_at_time));
|
|
parent()->AddGhost(ghost_);
|
|
|
|
snap_points_.append(transition_start_point);
|
|
|
|
// Set the drag start point
|
|
drag_start_point_ = cursor_frame;
|
|
}
|
|
|
|
void TimelineWidget::TransitionTool::MouseMove(TimelineViewMouseEvent *event)
|
|
{
|
|
if (!ghost_) {
|
|
return;
|
|
}
|
|
|
|
MouseMoveInternal(event->GetCoordinates().GetFrame(), dual_transition_);
|
|
}
|
|
|
|
void TimelineWidget::TransitionTool::MouseRelease(TimelineViewMouseEvent *event)
|
|
{
|
|
MouseMove(event);
|
|
|
|
const TrackReference& track = ghost_->Track();
|
|
|
|
if (ghost_) {
|
|
if (!ghost_->AdjustedLength().isNull()) {
|
|
Block* block_to_transition = Node::ValueToPtr<Block>(ghost_->data(TimelineViewGhostItem::kAttachedBlock));
|
|
CrossDissolveTransition* transition = new CrossDissolveTransition();
|
|
NodeInput* transition_input_to_connect;
|
|
|
|
if (ghost_->mode() == olive::timeline::kTrimIn) {
|
|
transition->set_in_and_out_offset(ghost_->AdjustedLength(), 0);
|
|
transition_input_to_connect = transition->in_block_input();
|
|
} else {
|
|
transition->set_in_and_out_offset(0, ghost_->AdjustedLength());
|
|
transition_input_to_connect = transition->out_block_input();
|
|
}
|
|
|
|
QUndoCommand* command = new QUndoCommand();
|
|
|
|
// Place transition in place
|
|
new TrackPlaceBlockCommand(parent()->timeline_node_->track_list(track.type()),
|
|
track.index(),
|
|
transition,
|
|
ghost_->GetAdjustedIn(),
|
|
command);
|
|
|
|
// Connect block to transition
|
|
new NodeEdgeAddCommand(block_to_transition->output(),
|
|
transition_input_to_connect,
|
|
command);
|
|
|
|
olive::undo_stack.push(command);
|
|
}
|
|
|
|
parent()->ClearGhosts();
|
|
snap_points_.clear();
|
|
ghost_ = nullptr;
|
|
}
|
|
}
|