From 7776aa97fc1c69a8f28ba4bab7387fb96be9a6e4 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Mon, 8 Sep 2014 20:48:38 +0200
Subject: Import dgedit from drumgizmo repository (split into its own project).

---
 src/canvastoollisten.cc | 81 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 src/canvastoollisten.cc

(limited to 'src/canvastoollisten.cc')

diff --git a/src/canvastoollisten.cc b/src/canvastoollisten.cc
new file mode 100644
index 0000000..847c32d
--- /dev/null
+++ b/src/canvastoollisten.cc
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            canvastoollisten.cc
+ *
+ *  Fri Jul 29 16:57:48 CEST 2011
+ *  Copyright 2011 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "canvastoollisten.h"
+
+#include <QApplication>
+
+CanvasToolListen::CanvasToolListen(Canvas *c, Player &p)
+  : player(p)
+{
+  lastpos = pos = 0;
+  canvas = c ;
+}
+
+bool CanvasToolListen::mousePressEvent(QMouseEvent *event)
+{
+  if(!isActive()) return false;
+  player.setPosition(canvas->unmapX(event->x()));
+  canvas->update();
+  connect(&player, SIGNAL(positionUpdate(size_t)), this, SLOT(update(size_t)));
+  return true;
+}
+
+bool CanvasToolListen::mouseReleaseEvent(QMouseEvent *event)
+{
+  if(!isActive()) return false;
+  player.stop();
+  disconnect(&player, SIGNAL(positionUpdate(size_t)),
+             this, SLOT(update(size_t)));
+  lastpos = 0;
+  canvas->update();
+  return true;
+}
+
+void CanvasToolListen::paintEvent(QPaintEvent *event, QPainter &painter)
+{
+  if(!isActive()) return;
+
+  if(player.pos < player.end) {
+    painter.setPen(QColor(0, 127, 127));
+    painter.drawLine(canvas->mapX(pos),
+                     event->rect().y(),
+                     canvas->mapX(pos),
+                     event->rect().y() + event->rect().height());
+   }
+}
+
+void CanvasToolListen::update(size_t pos)
+{
+  this->pos = pos;
+  size_t last = canvas->mapX(lastpos);
+  size_t x = canvas->mapX(player.pos);
+  QRect r(last, 0,
+          x - last + 2, canvas->height());
+  
+  canvas->update(r);
+  lastpos = pos;
+}
-- 
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