diff options
Diffstat (limited to 'muse_qt4_evolution/muse/widgets/siglabel.cpp')
| -rw-r--r-- | muse_qt4_evolution/muse/widgets/siglabel.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/widgets/siglabel.cpp b/muse_qt4_evolution/muse/widgets/siglabel.cpp new file mode 100644 index 00000000..2f8d3e84 --- /dev/null +++ b/muse_qt4_evolution/muse/widgets/siglabel.cpp @@ -0,0 +1,165 @@ +//============================================================================= +// 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 "siglabel.h" + +#define TIMER1 400 +#define TIMER2 200 +#define TIMEC 7 +#define TIMER3 100 +#define TIMEC2 20 +#define TIMER4 50 + +#include "globals.h" + +//--------------------------------------------------------- +// SigLabel +// edit Signature Values (4/4) +//--------------------------------------------------------- + +SigLabel::SigLabel(QWidget* parent) + : QLabel(parent) + { + z = n = 0; + setFocusPolicy(Qt::NoFocus); + setAlignment(Qt::AlignCenter); + } + +//--------------------------------------------------------- +// mousePressEvent +//--------------------------------------------------------- + +void SigLabel::mousePressEvent(QMouseEvent* event) + { + int button = event->button(); + bool zaehler = event->x() < width() /2; + + int zz = z, nn = n; + switch (button) { + case Qt::LeftButton: + return; + case Qt::MidButton: + incValue(zaehler, false, zz, nn); + break; + case Qt::RightButton: + incValue(zaehler, true, zz, nn); + break; + default: + break; + } + if ((zz != z) || (nn != n)) { + setValue(zz, nn); + emit valueChanged(zz, nn); + } + } + +//--------------------------------------------------------- +// incValue +//--------------------------------------------------------- + +void SigLabel::incValue(bool zaehler, bool up, int& zz, int& nn) + { + if (!up) { + if (zaehler) { + --zz; + if (zz < 1) + zz = 1; + } + else { + switch (nn) { + case 1: break; + case 2: nn = 1; break; + case 4: nn = 2; break; + case 8: nn = 4; break; + case 16: nn = 8; break; + case 32: nn = 16; break; + case 64: nn = 32; break; + case 128: nn = 64; break; + } + } + } + else { + if (zaehler) { + ++zz; + if (zz > 16) + zz = 16; + } + else { + switch (nn) { + case 1: nn = 2; break; + case 2: nn = 4; break; + case 4: nn = 8; break; + case 8: nn = 16; break; + case 16: nn = 32; break; + case 32: nn = 64; break; + case 64: nn = 128; break; + case 128: break; + } + } + } + } + +//--------------------------------------------------------- +// wheelEvent +//--------------------------------------------------------- + +void SigLabel::wheelEvent(QWheelEvent* event) + { + bool zaehler = event->x() < width() /2; + int delta = event->delta(); + int zz = z, nn = n; + + bool inc = delta >= 0; + incValue(zaehler, inc, zz, nn); + if ((zz != z) || (nn != n)) { + setValue(zz, nn); + emit valueChanged(zz, nn); + } + } + +//--------------------------------------------------------- +// setValue +//--------------------------------------------------------- + +void SigLabel::setValue(int a, int b) + { + if (a == z && b == n) + return; + z = a; + n = b; + QString sa; + sa.setNum(a); + + QString sb; + sb.setNum(b); + + QString s = sa + QString("/") + sb; + setText(s); + } + +//--------------------------------------------------------- +// setFrame +//--------------------------------------------------------- + +void SigLabel::setFrame(bool flag) + { + setFrameStyle(flag ? Panel | Sunken : NoFrame); + setLineWidth(2); + } |