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-rw-r--r--muse2/muse/widgets/hitscale.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/muse2/muse/widgets/hitscale.cpp b/muse2/muse/widgets/hitscale.cpp
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+++ b/muse2/muse/widgets/hitscale.cpp
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+//=========================================================
+// MusE
+// Linux Music Editor
+// $Id: hitscale.cpp,v 1.3.2.1 2007/01/27 14:52:43 spamatica Exp $
+// (C) Copyright 1999 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "hitscale.h"
+#include "midieditor.h"
+#include <qpainter.h>
+//Added by qt3to4:
+#include <QEvent>
+#include <QMouseEvent>
+
+#include "song.h"
+
+//---------------------------------------------------------
+// HitScale
+//---------------------------------------------------------
+
+HitScale::HitScale(int* r, QWidget* parent, int xs)
+ : View(parent, xs, 1)
+ {
+ raster = r;
+ pos[0] = song->cpos();
+ pos[1] = song->lpos();
+ pos[2] = song->rpos();
+ button = Qt::NoButton;
+ setMouseTracking(true);
+ connect(song, SIGNAL(posChanged(int, unsigned, bool)), this, SLOT(setPos(int, unsigned, bool)));
+ setFixedHeight(18);
+ }
+
+//---------------------------------------------------------
+// setPos
+//---------------------------------------------------------
+
+void HitScale::setPos(int idx, unsigned val, bool)
+ {
+ if (val == pos[idx])
+ return;
+ unsigned int opos = mapx(pos[idx]); // in order preventing comparison of sigend & unsigned int ??is this OK?
+ pos[idx] = val;
+ if (!isVisible())
+ return;
+ val = mapx(val);
+ int x = -9;
+ int w = 18;
+ if (opos > val) { //here would be the comparison signed/unsigned
+ w += opos - val;
+ x += val;
+ }
+ else {
+ w += val - opos;
+ x += opos;
+ }
+ paint(QRect(x, 0, w, height()));
+ }
+
+void HitScale::viewMousePressEvent(QMouseEvent* event)
+ {
+ button = event->button();
+ viewMouseMoveEvent(event);
+ }
+
+void HitScale::viewMouseReleaseEvent(QMouseEvent*)
+ {
+ button = Qt::NoButton;
+ }
+
+void HitScale::viewMouseMoveEvent(QMouseEvent* event)
+ {
+ int x = sigmap.raster(event->x(), *raster);
+ emit timeChanged(x);
+ int i;
+ switch (button) {
+ case Qt::LeftButton:
+ i = 0;
+ break;
+ case Qt::MidButton:
+ i = 1;
+ break;
+ case Qt::RightButton:
+ i = 2;
+ break;
+ default:
+ return;
+ }
+ Pos p(x, true);
+ song->setPos(i, p);
+ }
+
+//---------------------------------------------------------
+// leaveEvent
+//---------------------------------------------------------
+
+void HitScale::leaveEvent(QEvent*)
+ {
+ emit timeChanged(-1);
+ }
+
+//---------------------------------------------------------
+// draw
+//---------------------------------------------------------
+
+void HitScale::pdraw(QPainter& p, const QRect& r)
+ {
+ int x = r.x();
+ int w = r.width();
+
+// x -= 10;
+// w += 20;
+
+ if (x < 0)
+ x = 0;
+
+ //---------------------------------------------------
+ // draw location marker
+ //---------------------------------------------------
+
+ p.setPen(Qt::red);
+ int xp = mapx(pos[0]);
+ if (xp >= x && xp < x+w)
+ p.drawLine(xp, 0, xp, height());
+ p.setPen(Qt::blue);
+ xp = mapx(pos[1]);
+ if (xp >= x && xp < x+w)
+ p.drawLine(xp, 0, xp, height());
+ xp = mapx(pos[2]);
+ if (xp >= x && xp < x+w)
+ p.drawLine(xp, 0, xp, height());
+ }
+
+