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//=============================================================================
// MusE Score
// Linux Music Score Editor
// $Id: shortcutcapturedialog.cpp 5537 2012-04-16 07:55:10Z wschweer $
//
// Copyright (C) 2002-2007 Werner Schweer and others
// Copyright (C) 2003 Mathias Lundgren (lunar_shuttle@users.sourceforge.net)
//
// 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 "shortcutcapturedialog.h"
#include "musescore.h"
#include "shortcut.h"
//---------------------------------------------------------
// ShortcutCaptureDialog
//---------------------------------------------------------
ShortcutCaptureDialog::ShortcutCaptureDialog(Shortcut* _s, QMap<QString, Shortcut*> ls, QWidget* parent)
: QDialog(parent)
{
setupUi(this);
localShortcuts = ls;
s = _s;
addButton->setEnabled(false);
replaceButton->setEnabled(false);
oshrtLabel->setText(s->keysToString());
connect(clearButton, SIGNAL(clicked()), SLOT(clearClicked()));
connect(addButton, SIGNAL(clicked()), SLOT(addClicked()));
connect(replaceButton, SIGNAL(clicked()), SLOT(replaceClicked()));
clearClicked();
grabKeyboard();
oshrtLabel->installEventFilter(this);
nshrtLabel->installEventFilter(this);
}
//---------------------------------------------------------
// addClicked
//---------------------------------------------------------
void ShortcutCaptureDialog::addClicked()
{
done(1);
}
//---------------------------------------------------------
// replaceClicked
//---------------------------------------------------------
void ShortcutCaptureDialog::replaceClicked()
{
done(2);
}
//---------------------------------------------------------
// ShortcutCaptureDialog
//---------------------------------------------------------
ShortcutCaptureDialog::~ShortcutCaptureDialog()
{
nshrtLabel->removeEventFilter(this);
oshrtLabel->removeEventFilter(this);
releaseKeyboard();
}
//---------------------------------------------------------
// eventFilter
//---------------------------------------------------------
bool ShortcutCaptureDialog::eventFilter(QObject* o, QEvent* e)
{
// Mac only, harmless on Win
// Grab the backspace key before one of the QLineEdit widgets gets them.
// Otherwise Qt on mac swallows the Backspace even if the field is read-only.
if (e->type() == QEvent::KeyPress && static_cast<QKeyEvent*>(e)->key() == Qt::Key_Backspace) {
keyPressEvent(static_cast<QKeyEvent*>(e));
return true;
}
return false;
}
//---------------------------------------------------------
// keyPressEvent
//---------------------------------------------------------
void ShortcutCaptureDialog::keyPressEvent(QKeyEvent* e)
{
if (key.count() >= 4)
return;
int k = e->key();
if (k == 0 || k == Qt::Key_Shift || k == Qt::Key_Control ||
k == Qt::Key_Meta || k == Qt::Key_Alt || k == Qt::Key_AltGr
|| k == Qt::Key_CapsLock || k == Qt::Key_NumLock
|| k == Qt::Key_ScrollLock || k == Qt::Key_unknown)
return;
k += e->modifiers();
switch(key.count()) {
case 0: key = QKeySequence(k); break;
case 1: key = QKeySequence(key[0], k); break;
case 2: key = QKeySequence(key[0], key[1], k); break;
case 3: key = QKeySequence(key[0], key[1], key[2], k); break;
default:
qDebug("internal error: bad key count\n");
break;
}
// Check against conflicting shortcuts
bool conflict = false;
QString msgString;
foreach (Shortcut* ss, localShortcuts) {
if (s == ss)
continue;
if (! (s->state() & ss->state())) // no conflict if states do not overlap
continue;
foreach(const QKeySequence& ks, ss->keys()) {
if (ks == key) {
msgString = tr("Shortcut conflicts with ") + ss->descr();
conflict = true;
break;
}
}
if (conflict)
break;
}
messageLabel->setText(msgString);
addButton->setEnabled(conflict == false);
replaceButton->setEnabled(conflict == false);
nshrtLabel->setText(key.toString(QKeySequence::NativeText));
QString A = key.toString(QKeySequence::NativeText);
QString B = key.toString(QKeySequence::PortableText);
qDebug("capture key 0x%x modifiers 0x%x virt 0x%x scan 0x%x <%s><%s>\n",
k,
int(e->modifiers()),
int(e->nativeVirtualKey()),
int(e->nativeScanCode()),
qPrintable(A),
qPrintable(B)
);
}
//---------------------------------------------------------
// clearClicked
//---------------------------------------------------------
void ShortcutCaptureDialog::clearClicked()
{
nshrtLabel->setText(tr("Undefined"));
key = 0;
}
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