started ripple tool and finish hand tool

2019-09-18 02:39:26 +10:00
parent d002da8f60
commit cdcfd59ec5
6 changed files with 265 additions and 51 deletions
@@ -0,0 +1,54 @@
+/***
+
+  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"
+
+#include <QScrollBar>
+
+TimelineView::HandTool::HandTool(TimelineView* parent) :
+  Tool(parent)
+{
+
+}
+
+void TimelineView::HandTool::MousePress(QMouseEvent *event)
+{
+  screen_drag_start_ = event->pos();
+  scrollbar_start_.setX(parent()->horizontalScrollBar()->value());
+  scrollbar_start_.setY(parent()->verticalScrollBar()->value());
+  dragging_ = true;
+}
+
+void TimelineView::HandTool::MouseMove(QMouseEvent *event)
+{
+  if (dragging_) {
+    QPoint drag_diff = event->pos() - screen_drag_start_;
+
+    parent()->horizontalScrollBar()->setValue(scrollbar_start_.x() - drag_diff.x());
+    parent()->verticalScrollBar()->setValue(scrollbar_start_.y() - drag_diff.y());
+  }
+}
+
+void TimelineView::HandTool::MouseRelease(QMouseEvent *event)
+{
+  Q_UNUSED(event)
+
+  dragging_ = false;
+}