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//=========================================================
// MusE
// Linux Music Editor
// $Id: dentry.cpp,v 1.1.1.1 2003/10/29 10:06:21 wschweer Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include "dentry.h"
#include <stdio.h>
#include <qtimer.h>
#include <qcursor.h>
#include "globals.h"
#define TIMER1 400
#define TIMER2 200
#define TIMEC 7
#define TIMER3 100
#define TIMEC2 20
#define TIMER4 50
//---------------------------------------------------------
// Dentry
// lineedit double values
//---------------------------------------------------------
Dentry::Dentry(QWidget* parent, const char* name) : QLineEdit(parent, name)
{
_id = -1;
drawFrame = false;
QLineEdit::setFrame(drawFrame);
timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), SLOT(repeat()));
val = 0.01;
connect(this, SIGNAL(returnPressed()), SLOT(endEdit()));
setCursor(QCursor(arrowCursor));
evx = 1.0;
}
//---------------------------------------------------------
// setFrame
//---------------------------------------------------------
void Dentry::setFrame(bool flag)
{
drawFrame = flag;
QLineEdit::setFrame(drawFrame);
update();
}
//---------------------------------------------------------
// endEdit
//---------------------------------------------------------
void Dentry::endEdit()
{
if (edited()) {
if (setSValue(text())) {
setString(val);
return;
}
}
setString(val);
clearFocus();
if (!drawFrame)
QLineEdit::setFrame(false);
}
//---------------------------------------------------------
// mousePressEvent
//---------------------------------------------------------
void Dentry::mousePressEvent(QMouseEvent* event)
{
button = event->button();
starty = event->y();
evx = double(event->x());
timecount = 0;
repeat();
timer->start(TIMER1);
}
//---------------------------------------------------------
// wheelEvent
//---------------------------------------------------------
void Dentry::wheelEvent(QWheelEvent* event)
{
int delta = event->delta();
if (delta < 0)
decValue(-1.0);
else if (delta > 0)
incValue(1.0);
}
//---------------------------------------------------------
// repeat
//---------------------------------------------------------
void Dentry::repeat()
{
if (timecount == 1) {
++timecount;
timer->stop();
timer->start(TIMER2);
return;
}
++timecount;
if (timecount == TIMEC) {
timer->stop();
timer->start(TIMER3);
}
if (timecount == TIMEC2) {
timer->stop();
timer->start(TIMER4);
}
switch (button) {
case QMouseEvent::LeftButton:
return;
case QMouseEvent::MidButton:
decValue(evx);
break;
case QMouseEvent::RightButton:
incValue(evx);
break;
default:
break;
}
}
//---------------------------------------------------------
// mouseReleaseEvent
//---------------------------------------------------------
void Dentry::mouseReleaseEvent(QMouseEvent*)
{
button = QMouseEvent::NoButton;
timer->stop();
}
//---------------------------------------------------------
// mouseMoveEvent
//---------------------------------------------------------
void Dentry::mouseMoveEvent(QMouseEvent*)
{
switch (button) {
case QMouseEvent::LeftButton:
break;
case QMouseEvent::MidButton:
break;
case QMouseEvent::RightButton:
break;
default:
break;
}
}
//---------------------------------------------------------
// mouseDoubleClickEvent
//---------------------------------------------------------
void Dentry::mouseDoubleClickEvent(QMouseEvent* event)
{
if (event->button() != QMouseEvent::LeftButton) {
mousePressEvent(event);
return;
}
setFocus();
QLineEdit::setFrame(true);
update();
}
//---------------------------------------------------------
// setValue
//---------------------------------------------------------
void Dentry::setValue(double v)
{
if (v == val)
return;
setString(v);
#if 0
if (setString(v)) {
clearFocus();
if (!drawFrame)
QLineEdit::setFrame(false);
setEnabled(false);
}
else {
setEnabled(true);
}
#endif
val = v;
}
|
