1 files changed, 110 insertions, 0 deletions
diff --git a/src/gui/editors/matrix/MatrixEraser.cpp b/src/gui/editors/matrix/MatrixEraser.cpp
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+++ b/src/gui/editors/matrix/MatrixEraser.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    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 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "MatrixEraser.h"
+#include "misc/Debug.h"
+
+#include <klocale.h>
+#include <kstddirs.h>
+#include "base/ViewElement.h"
+#include "commands/matrix/MatrixEraseCommand.h"
+#include "gui/general/EditTool.h"
+#include "MatrixStaff.h"
+#include "MatrixTool.h"
+#include "MatrixView.h"
+#include <kaction.h>
+#include <kglobal.h>
+#include <qiconset.h>
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+MatrixEraser::MatrixEraser(MatrixView* parent)
+        : MatrixTool("MatrixEraser", parent),
+        m_currentStaff(0)
+{
+    QString pixmapDir = KGlobal::dirs()->findResource("appdata", "pixmaps/");
+    QCanvasPixmap pixmap(pixmapDir + "/toolbar/select.xpm");
+    QIconSet icon = QIconSet(pixmap);
+
+    new KAction(i18n("Switch to Select Tool"), icon, 0, this,
+                SLOT(slotSelectSelected()), actionCollection(),
+                "select");
+
+    new KAction(i18n("Switch to Draw Tool"), "pencil", 0, this,
+                SLOT(slotDrawSelected()), actionCollection(),
+                "draw");
+
+    new KAction(i18n("Switch to Move Tool"), "move", 0, this,
+                SLOT(slotMoveSelected()), actionCollection(),
+                "move");
+
+    pixmap.load(pixmapDir + "/toolbar/resize.xpm");
+    icon = QIconSet(pixmap);
+    new KAction(i18n("Switch to Resize Tool"), icon, 0, this,
+                SLOT(slotResizeSelected()), actionCollection(),
+                "resize");
+
+    createMenu("matrixeraser.rc");
+}
+
+void MatrixEraser::handleLeftButtonPress(timeT,
+        int,
+        int staffNo,
+        QMouseEvent*,
+        ViewElement* el)
+{
+    MATRIX_DEBUG << "MatrixEraser::handleLeftButtonPress : el = "
+    << el << endl;
+
+    if (!el)
+        return ; // nothing to erase
+
+    m_currentStaff = m_mParentView->getStaff(staffNo);
+
+    MatrixEraseCommand* command =
+        new MatrixEraseCommand(m_currentStaff->getSegment(), el->event());
+
+    m_mParentView->addCommandToHistory(command);
+
+    m_mParentView->update();
+}
+
+void MatrixEraser::ready()
+{
+    m_mParentView->setCanvasCursor(Qt::pointingHandCursor);
+    setBasicContextHelp();
+}
+
+void MatrixEraser::setBasicContextHelp()
+{
+    setContextHelp(i18n("Click on a note to delete it"));
+}
+
+const QString MatrixEraser::ToolName    = "eraser";
+
+}