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Diffstat (limited to 'src/gui/editors/eventlist/EventViewItem.cpp')
| -rw-r--r-- | src/gui/editors/eventlist/EventViewItem.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/gui/editors/eventlist/EventViewItem.cpp b/src/gui/editors/eventlist/EventViewItem.cpp new file mode 100644 index 0000000..4435a2b --- /dev/null +++ b/src/gui/editors/eventlist/EventViewItem.cpp @@ -0,0 +1,68 @@ +/* -*- 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 "EventViewItem.h" +#include "base/Event.h" + +namespace Rosegarden +{ + +// Reimplementation of sort for numeric columns - taking the +// right hand argument from the left is equivalent to the +// the QString compare(). +// +int +EventViewItem::compare(QListViewItem *i, int col, bool ascending) const +{ + EventViewItem *ei = dynamic_cast<EventViewItem *>(i); + if (!ei) return QListViewItem::compare(i, col, ascending); + + if (col == 0) { // time + Rosegarden::Event &e1 = *m_event; + Rosegarden::Event &e2 = *ei->m_event; + if (e2 < e1) return 1; + else if (e1 < e2) return -1; + else return 0; + } else if (col == 2 || col == 5 || col == 6) { // event type, data1, data2 + // we have to do string compares even for data1/data2 which are + // often numeric, just because they aren't _always_ numeric and + // we don't want to prevent the user being able to separate + // e.g. crescendo from decrescendo + if (key(col, ascending).compare(i->key(col, ascending)) == 0) { + return compare(i, 0, ascending); + } else { + return key(col, ascending).compare(i->key(col, ascending)); + } + } else if (col == 3) { // pitch + // numeric comparison for pitch used to work when we only + // showed the numeric pitch number, but then we added the MIDI + // pitch name as well and that broke plain numeric comparison + return key(col, ascending).section(' ', 0, 0).toInt() - + i->key(col, ascending).section(' ', 0, 0).toInt(); + } else { // numeric comparison + return key(col, ascending).toInt() - i->key(col, ascending).toInt(); + } +} + +} |
