diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/partdrag.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/muse/partdrag.cpp | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/attic/muse_qt4_evolution/muse/partdrag.cpp b/attic/muse_qt4_evolution/muse/partdrag.cpp deleted file mode 100644 index c47d3c11..00000000 --- a/attic/muse_qt4_evolution/muse/partdrag.cpp +++ /dev/null @@ -1,199 +0,0 @@ -//============================================================================= -// MusE -// Linux Music Editor -// $Id:$ -// -// Copyright (C) 2002-2006 by Werner Schweer and others -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License version 2. -// -// This program 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 this program; if not, write to the Free Software -// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -//============================================================================= - -#include "partdrag.h" -#include "al/xml.h" -#include "part.h" - -const char MidiPartDrag::type[] = "application/muse/part/midi"; -const char AudioPartDrag::type[] = "application/muse/part/audio"; -const char WavUriDrag::type[] = "text/uri-list"; - -//--------------------------------------------------------- -// MidiPartDrag -//--------------------------------------------------------- - -MidiPartDrag::MidiPartDrag(Part* part, QWidget* src) - : QDrag(src) - { - QBuffer buffer; - buffer.open(QIODevice::WriteOnly); - AL::Xml xml(&buffer); - part->write(xml); - buffer.close(); - QMimeData* mimeData = new QMimeData; - mimeData->setData(type, buffer.buffer()); - setMimeData(mimeData); - } - -//--------------------------------------------------------- -// canDecode -//--------------------------------------------------------- - -bool MidiPartDrag::canDecode(const QMimeData* s) - { - return s->hasFormat(type); - } - -//--------------------------------------------------------- -// decode -//--------------------------------------------------------- - -bool MidiPartDrag::decode(const QMimeData* s, Part*& p) - { - p = 0; - QDomDocument doc; - int line, column; - QString err; - if (!doc.setContent(s->data(type), false, &err, &line, &column)) { - QString col, ln, error; - col.setNum(column); - ln.setNum(line); - error = err + "\n at line: " + ln + " col: " + col; - printf("error parsing part: %s\n", error.toLatin1().data()); - return false; - } - for (QDomNode node = doc.documentElement(); !node.isNull(); node = node.nextSibling()) { - QDomElement e = node.toElement(); - if (e.isNull()) - continue; - if (e.tagName() == "part") { - p = new Part(0); - p->ref(); - p->read(node, true); - } - else - printf("MusE: %s not supported\n", e.tagName().toLatin1().data()); - } - return (p != 0); - } - -//--------------------------------------------------------- -// PartDrag -// does only transfer reference to part, this does -// not allow for transfers between different apps -// TODO: transfer content (xml representation) -//--------------------------------------------------------- - -AudioPartDrag::AudioPartDrag(Part* part, QWidget* src) - : QDrag(src) - { - QBuffer buffer; - buffer.open(QIODevice::WriteOnly); - Xml xml(&buffer); - part->write(xml); - buffer.close(); - - QMimeData* mimeData = new QMimeData; - mimeData->setData(type, buffer.buffer()); - setMimeData(mimeData); - } - -//--------------------------------------------------------- -// canDecode -//--------------------------------------------------------- - -bool AudioPartDrag::canDecode(const QMimeData* s) - { - return s->hasFormat(type); - } - -//--------------------------------------------------------- -// decode -//--------------------------------------------------------- - -bool AudioPartDrag::decode(const QMimeData* s, Part*& p) - { - p = 0; - QDomDocument doc; - int line, column; - QString err; - if (!doc.setContent(s->data(type), false, &err, &line, &column)) { - QString col, ln, error; - col.setNum(column); - ln.setNum(line); - error = err + "\n at line: " + ln + " col: " + col; - printf("error parsing part: %s\n", error.toLatin1().data()); - return false; - } - for (QDomNode node = doc.documentElement(); !node.isNull(); node = node.nextSibling()) { - QDomElement e = node.toElement(); - if (e.isNull()) - continue; - if (e.tagName() == "part") { - p = new Part(0); - p->ref(); - p->read(node, false); - } - else - printf("MusE: %s not supported\n", e.tagName().toLatin1().data()); - } - return (p != 0); - } - -//--------------------------------------------------------- -// WavUriDrag -//--------------------------------------------------------- - -WavUriDrag::WavUriDrag(const QString& s, QWidget* src) - : QDrag(src) - { - QByteArray a(s.toAscii()); - QMimeData* mimeData = new QMimeData; - mimeData->setData(type, a); - setMimeData(mimeData); - } - -//--------------------------------------------------------- -// canDecode -//--------------------------------------------------------- - -bool WavUriDrag::canDecode(const QMimeData* s) - { - if (!s->hasFormat(type)) - return false; - QByteArray data = s->data(type); - QUrl url(data); - if (url.scheme() != "file") - return false; - QFileInfo fi(url.toLocalFile().trimmed()); - if (!fi.exists()) { - printf("drag file <%s> does not exist\n", fi.filePath().toLatin1().data()); - return false; - } - if (fi.suffix() != "wav") { - printf("drag file <%s> has no wav suffix\n", fi.filePath().toLatin1().data()); - return false; - } - return true; - } - -//--------------------------------------------------------- -// decode -//--------------------------------------------------------- - -bool WavUriDrag::decode(const QMimeData* s, QString* uri) - { - QByteArray data = s->data(type); - QUrl url(data); - *uri = url.toLocalFile().trimmed(); - return true; - } - |