85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2019 Olive Team
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
#include "widget/timelineview/timelineview.h"
|
|
|
|
TimelineView::Tool::Tool(TimelineView *parent) :
|
|
dragging_(false),
|
|
parent_(parent)
|
|
{
|
|
}
|
|
|
|
TimelineView::Tool::~Tool(){}
|
|
|
|
void TimelineView::Tool::MousePress(QMouseEvent *){}
|
|
|
|
void TimelineView::Tool::MouseMove(QMouseEvent *){}
|
|
|
|
void TimelineView::Tool::MouseRelease(QMouseEvent *){}
|
|
|
|
void TimelineView::Tool::DragEnter(QDragEnterEvent *){}
|
|
|
|
void TimelineView::Tool::DragMove(QDragMoveEvent *){}
|
|
|
|
void TimelineView::Tool::DragLeave(QDragLeaveEvent *){}
|
|
|
|
void TimelineView::Tool::DragDrop(QDropEvent *){}
|
|
|
|
TimelineView *TimelineView::Tool::parent()
|
|
{
|
|
return parent_;
|
|
}
|
|
|
|
QPointF TimelineView::Tool::GetScenePos(const QPoint &screen_pos)
|
|
{
|
|
return parent()->mapToScene(screen_pos);
|
|
}
|
|
|
|
QGraphicsItem *TimelineView::Tool::GetItemAtScenePos(const QPointF &scene_pos)
|
|
{
|
|
return parent()->scene_.itemAt(scene_pos, parent()->transform());
|
|
}
|
|
|
|
rational TimelineView::Tool::ValidateFrameMovement(rational movement, const QVector<TimelineViewGhostItem *> ghosts)
|
|
{
|
|
foreach (TimelineViewGhostItem* ghost, ghosts) {
|
|
// Prevents any ghosts from going below 0:00:00 time
|
|
rational validator = ghost->In() + movement;
|
|
if (validator < 0) {
|
|
movement = -ghost->In();
|
|
}
|
|
}
|
|
|
|
return movement;
|
|
}
|
|
|
|
int TimelineView::Tool::ValidateTrackMovement(int movement, const QVector<TimelineViewGhostItem *> ghosts)
|
|
{
|
|
foreach (TimelineViewGhostItem* ghost, ghosts) {
|
|
// Prevents any ghosts from going to a non-existent negative track
|
|
int validator = ghost->Track() + movement;
|
|
if (validator < 0) {
|
|
movement = -ghost->Track();
|
|
}
|
|
}
|
|
|
|
return movement;
|
|
}
|