Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 95 insertions, 0 deletions

diff --git a/src/gui/application/SetWaitCursor.cpp b/src/gui/application/SetWaitCursor.cpp
new file mode 100644
index 0000000..7fc0053
--- /dev/null
+++ b/src/gui/application/SetWaitCursor.cpp
@@ -0,0 +1,95 @@
+/* -*- 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   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+ 
+    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 "SetWaitCursor.h"
+
+#include "gui/editors/segment/TrackEditor.h"
+#include "gui/editors/segment/segmentcanvas/CompositionView.h"
+#include "misc/Debug.h"
+#include "RosegardenGUIApp.h"
+#include "RosegardenGUIView.h"
+#include <kcursor.h>
+#include <qcursor.h>
+#include <qwidget.h>
+#include <kapplication.h>
+
+namespace Rosegarden
+{
+
+SetWaitCursor::SetWaitCursor()
+        : m_guiApp(dynamic_cast<RosegardenGUIApp*>(kapp->mainWidget()))
+{
+    if (m_guiApp) {
+
+        // play it safe, so we can use this class at anytime even very early in the app init
+        if ((m_guiApp->getView() &&
+                m_guiApp->getView()->getTrackEditor() &&
+                m_guiApp->getView()->getTrackEditor()->getSegmentCanvas() &&
+                m_guiApp->getView()->getTrackEditor()->getSegmentCanvas()->viewport())) {
+
+            m_saveSegmentCanvasCursor = m_guiApp->getView()->getTrackEditor()->getSegmentCanvas()->viewport()->cursor();
+
+        }
+
+        RG_DEBUG << "SetWaitCursor::SetWaitCursor() : setting waitCursor\n";
+        m_saveCursor = m_guiApp->cursor();
+
+        m_guiApp->setCursor(KCursor::waitCursor());
+    }
+}
+
+SetWaitCursor::~SetWaitCursor()
+{
+    if (m_guiApp) {
+
+        RG_DEBUG << "SetWaitCursor::SetWaitCursor() : restoring normal cursor\n";
+        QWidget* viewport = 0;
+        QCursor currentSegmentCanvasCursor;
+
+        if ((m_guiApp->getView() &&
+                m_guiApp->getView()->getTrackEditor() &&
+                m_guiApp->getView()->getTrackEditor()->getSegmentCanvas() &&
+                m_guiApp->getView()->getTrackEditor()->getSegmentCanvas()->viewport())) {
+            viewport = m_guiApp->getView()->getTrackEditor()->getSegmentCanvas()->viewport();
+            currentSegmentCanvasCursor = viewport->cursor();
+        }
+
+        m_guiApp->setCursor(m_saveCursor);
+
+        if (viewport) {
+            if (currentSegmentCanvasCursor.shape() == KCursor::waitCursor().shape()) {
+                viewport->setCursor(m_saveSegmentCanvasCursor);
+            } else {
+                viewport->setCursor(currentSegmentCanvasCursor); // because m_guiApp->setCursor() has replaced it
+            }
+        }
+
+        // otherwise, it's been modified elsewhere, so leave it as is
+
+    }
+
+}
+
+}