55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "widget/timelineview/timelineview.h"
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#include <QScrollBar>
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TimelineView::HandTool::HandTool(TimelineView* parent) :
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Tool(parent)
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{
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}
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void TimelineView::HandTool::MousePress(QMouseEvent *event)
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{
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screen_drag_start_ = event->pos();
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scrollbar_start_.setX(parent()->horizontalScrollBar()->value());
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scrollbar_start_.setY(parent()->verticalScrollBar()->value());
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dragging_ = true;
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}
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void TimelineView::HandTool::MouseMove(QMouseEvent *event)
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{
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if (dragging_) {
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QPoint drag_diff = event->pos() - screen_drag_start_;
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parent()->horizontalScrollBar()->setValue(scrollbar_start_.x() - drag_diff.x());
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parent()->verticalScrollBar()->setValue(scrollbar_start_.y() - drag_diff.y());
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}
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}
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void TimelineView::HandTool::MouseRelease(QMouseEvent *event)
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{
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Q_UNUSED(event)
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dragging_ = false;
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}
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