Import dgedit from drumgizmo repository (split into its own project).

1 files changed, 135 insertions, 0 deletions

diff --git a/src/selection.h b/src/selection.h
new file mode 100644
index 0000000..c6c7ecc
--- /dev/null
+++ b/src/selection.h
@@ -0,0 +1,135 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            selection.h
+ *
+ *  Sat Nov 21 13:20:46 CET 2009
+ *  Copyright 2009 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.
+ */
+#ifndef __DRUMGIZMO_SELECTION_H__
+#define __DRUMGIZMO_SELECTION_H__
+
+#include <QObject>
+
+#include <QMap>
+#include <QVector>
+
+class Selection {
+public:
+  Selection(int from = 0, int to = 0, int fadein = 0, int fadeout = 0) {
+    this->from = from;
+    this->to = to;
+    this->fadein = fadein;
+    this->fadeout = fadeout;
+  }
+  size_t from;
+  size_t to;
+  size_t fadein;
+  size_t fadeout;
+
+  double energy;
+
+  QString name;
+};
+
+typedef int sel_id_t;
+#define SEL_NONE -1
+
+class Selections : public QObject {
+Q_OBJECT
+public:
+  Selections();
+
+  /**
+   * Add a new selection object. The new id is returned.
+   * Adding a new selections will emit an added signal with the new id.
+   */
+  sel_id_t add(Selection selection);
+
+  /**
+   * Get a stack copy of a specific selection object, by id.
+   * NOTE: If id does not exist an empty selection (from = to = 0) is
+   * returned.
+   */
+  Selection get(sel_id_t id);
+
+  /**
+   * Return vector (unsorted) of all ids in the object.
+   */
+  QVector<sel_id_t> ids();
+
+  /**
+   * Set active selection (to be rendered yellow)
+   */
+  void setActive(sel_id_t id);
+
+  /**
+   * Get active selection id.
+   */
+  sel_id_t active();
+
+public slots:
+  /**
+   * Update a selection by id.
+   * Updating a selection will emit a updated signal.
+   */
+  void update(sel_id_t id, Selection selection);
+
+  /**
+   * Delete a selection by id.
+   * Deleting a selection will emit a deleted signal.
+   */
+  void remove(sel_id_t id);
+
+  /**
+   * Delete all selections
+   */
+  void clear();
+
+signals:
+  /**
+   * This signal is emitted when a new selection has been added.
+   */
+  void added(sel_id_t id);
+
+  /**
+   * This signal is emitted when an existing selection has been updated.
+   */
+  void updated(sel_id_t id);
+
+  /**
+   * This signal is emitted when a selection has been removed.
+   */
+  void removed(sel_id_t id);
+
+  /**
+   * The active selection changed.
+   */
+  void activeChanged(sel_id_t id);
+
+private:
+  QMap<sel_id_t, Selection> sels;
+  sel_id_t nextid;
+  sel_id_t act;
+};
+
+
+#endif/*__DRUMGIZMO_SELECTION_H__*/