itsmattkc
7b92b21df2
Tool for adding empty/non-media clips in the timeline. Also basis of the transition tool.
79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
#include "widget/timelinewidget/timelinewidget.h"
|
|
|
|
#include "core.h"
|
|
|
|
TimelineWidget::AddTool::AddTool(TimelineWidget *parent) :
|
|
Tool(parent),
|
|
ghost_(nullptr)
|
|
{
|
|
}
|
|
|
|
void TimelineWidget::AddTool::MousePress(TimelineViewMouseEvent *event)
|
|
{
|
|
const TrackReference& track = event->GetCoordinates().GetTrack();
|
|
TrackOutput* t = parent()->GetTrackFromReference(track);
|
|
|
|
if (t && t->IsLocked()) {
|
|
return;
|
|
}
|
|
|
|
ghost_ = new TimelineViewGhostItem();
|
|
ghost_->SetIn(event->GetCoordinates().GetFrame());
|
|
ghost_->SetOut(event->GetCoordinates().GetFrame());
|
|
ghost_->SetTrack(track);
|
|
ghost_->SetYCoords(parent()->GetTrackY(track), parent()->GetTrackHeight(track));
|
|
parent()->AddGhost(ghost_);
|
|
|
|
snap_points_.append(event->GetCoordinates().GetFrame());
|
|
}
|
|
|
|
void TimelineWidget::AddTool::MouseMove(TimelineViewMouseEvent *event)
|
|
{
|
|
const rational& cursor_frame = event->GetCoordinates().GetFrame();
|
|
|
|
// Calculate movement
|
|
rational movement = cursor_frame - ghost_->Out();
|
|
|
|
// Snap movement
|
|
SnapPoint(snap_points_, &movement);
|
|
|
|
// Validation: Ensure in point never goes below 0
|
|
if (movement < -ghost_->In()) {
|
|
movement = -ghost_->In();
|
|
}
|
|
|
|
// Make adjustment
|
|
if (!movement) {
|
|
ghost_->SetInAdjustment(0);
|
|
ghost_->SetOutAdjustment(0);
|
|
} else if (movement > 0) {
|
|
ghost_->SetInAdjustment(0);
|
|
ghost_->SetOutAdjustment(movement);
|
|
} else if (movement < 0) {
|
|
ghost_->SetInAdjustment(movement);
|
|
ghost_->SetOutAdjustment(0);
|
|
}
|
|
}
|
|
|
|
void TimelineWidget::AddTool::MouseRelease(TimelineViewMouseEvent *event)
|
|
{
|
|
MouseMove(event);
|
|
|
|
const TrackReference& track = ghost_->Track();
|
|
|
|
if (ghost_) {
|
|
if (!ghost_->AdjustedLength().isNull()) {
|
|
ClipBlock* clip = new ClipBlock();
|
|
clip->set_length(ghost_->AdjustedLength());
|
|
olive::undo_stack.push(new TrackPlaceBlockCommand(parent()->timeline_node_->track_list(track.type()),
|
|
track.index(),
|
|
clip,
|
|
ghost_->GetAdjustedIn()));
|
|
}
|
|
|
|
parent()->ClearGhosts();
|
|
snap_points_.clear();
|
|
ghost_ = nullptr;
|
|
}
|
|
}
|