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mfeemster
2015-05-15 18:45:15 -07:00
parent e005b4c20e
commit 2561708ae0
14 changed files with 463 additions and 152 deletions
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96
Source/Fractorium/DoubleSpinBox.cpp
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@ -1,6 +1,8 @@
#include "FractoriumPch.h"
#include "DoubleSpinBox.h"
QTimer DoubleSpinBox::m_Timer;
/// <summary>
/// Constructor that passes parent to the base and sets up height and step.
/// Specific focus policy is used to allow the user to hover over the control
@ -21,14 +23,15 @@ DoubleSpinBox::DoubleSpinBox(QWidget* p, int h, double step)
m_SmallStep = step / 10.0;
setSingleStep(step);
setFrame(false);
//setAttribute(Qt::WA_PaintOnScreen);
setButtonSymbols(QAbstractSpinBox::NoButtons);
setFocusPolicy(Qt::StrongFocus);
setMinimumHeight(h);//setGeometry() has no effect, so must set both of these instead.
setMaximumHeight(h);
setContextMenuPolicy(Qt::PreventContextMenu);
lineEdit()->installEventFilter(this);
lineEdit()->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
connect(this, SIGNAL(valueChanged(double)), this, SLOT(onSpinBoxValueChanged(double)), Qt::QueuedConnection);
connect(this, SIGNAL(valueChanged(double)), this, SLOT(OnSpinBoxValueChanged(double)), Qt::QueuedConnection);
}
/// <summary>
@ -118,11 +121,44 @@ QLineEdit* DoubleSpinBox::lineEdit()
/// <summary>
/// Another workaround for the persistent text selection bug in Qt.
/// </summary>
void DoubleSpinBox::onSpinBoxValueChanged(double d)
void DoubleSpinBox::OnSpinBoxValueChanged(double d)
{
lineEdit()->deselect();//Gets rid of nasty "feature" that always has text selected.
}
/// <summary>
/// Called while the timer is activated due to the right mouse button being held down.
/// </summary>
void DoubleSpinBox::OnTimeout()
{
int xdistance = m_MouseMovePoint.x() - m_MouseDownPoint.x();
int ydistance = m_MouseMovePoint.y() - m_MouseDownPoint.y();
int distance = abs(xdistance) > abs(ydistance) ? xdistance : ydistance;
double scale, val;
double d = value();
bool shift = QGuiApplication::keyboardModifiers().testFlag(Qt::ShiftModifier);
//bool ctrl = QGuiApplication::keyboardModifiers().testFlag(Qt::ControlModifier);
double amount = (m_SmallStep + m_Step) * 0.5;
if (shift)
{
//qDebug() << "Shift pressed";
scale = 0.0001;
}
/*else if (ctrl)
{
qDebug() << "Control pressed";
scale = 0.01;
}*/
else
scale = 0.001;
val = d + (distance * amount * scale);
setValue(val);
//qDebug() << "Timer on, orig val: " << d << ", new val: " << val << ", distance " << distance;
}
/// <summary>
/// Event filter for taking special action on double click events.
/// </summary>
@ -131,8 +167,16 @@ void DoubleSpinBox::onSpinBoxValueChanged(double d)
/// <returns>false</returns>
bool DoubleSpinBox::eventFilter(QObject* o, QEvent* e)
{
if (e->type() == QMouseEvent::MouseButtonPress && isEnabled())
QMouseEvent* me = dynamic_cast<QMouseEvent*>(e);
if (isEnabled() &&
me &&
me->type() == QMouseEvent::MouseButtonPress &&
me->button() == Qt::RightButton)
{
m_MouseDownPoint = m_MouseMovePoint = me->pos();
StartTimer();
//qDebug() << "Right mouse down";
// QPoint pt;
//
// if (QMouseEvent* me = (QMouseEvent*)e)
@ -154,6 +198,23 @@ bool DoubleSpinBox::eventFilter(QObject* o, QEvent* e)
// return true;
// }
}
else if (isEnabled() &&
me &&
me->type() == QMouseEvent::MouseButtonRelease &&
me->button() == Qt::RightButton)
{
StopTimer();
m_MouseDownPoint = m_MouseMovePoint = me->pos();
//qDebug() << "Right mouse up";
}
else if (isEnabled() &&
me &&
me->type() == QMouseEvent::MouseMove &&
QGuiApplication::mouseButtons() & Qt::RightButton)
{
m_MouseMovePoint = me->pos();
qDebug() << "Mouse move while right down. Pt = " << me->pos() << ", global: " << mapToGlobal(me->pos());
}
else if (m_DoubleClick && e->type() == QMouseEvent::MouseButtonDblClick && isEnabled())
{
if (IsNearZero(value()))
@ -189,6 +250,7 @@ bool DoubleSpinBox::eventFilter(QObject* o, QEvent* e)
void DoubleSpinBox::focusInEvent(QFocusEvent* e)
{
//lineEdit()->setReadOnly(false);
StopTimer();
QDoubleSpinBox::focusInEvent(e);
}
@ -203,7 +265,8 @@ void DoubleSpinBox::focusOutEvent(QFocusEvent* e)
{
//lineEdit()->deselect();//Clear selection when leaving.
//lineEdit()->setReadOnly(true);//Clever hack to clear the cursor when leaving.
QDoubleSpinBox::focusOutEvent(e);
StopTimer();
QDoubleSpinBox::focusOutEvent(e);
}
/// <summary>
@ -215,6 +278,7 @@ void DoubleSpinBox::enterEvent(QEvent* e)
{
//m_Select = true;
//setFocus();
StopTimer();
QDoubleSpinBox::enterEvent(e);
}
@ -226,6 +290,26 @@ void DoubleSpinBox::enterEvent(QEvent* e)
void DoubleSpinBox::leaveEvent(QEvent* e)
{
//m_Select = false;
//clearFocus();
//clearFocus();.
StopTimer();
QDoubleSpinBox::leaveEvent(e);
}
/// <summary>
/// Start the timer in response to the right mouse button being pressed.
/// </summary>
void DoubleSpinBox::StartTimer()
{
m_Timer.stop();
connect(&m_Timer, SIGNAL(timeout()), this, SLOT(OnTimeout()));
m_Timer.start(300);
}
/// <summary>
/// Stop the timer in response to the left mouse button being pressed.
/// </summary>
void DoubleSpinBox::StopTimer()
{
m_Timer.stop();
disconnect(&m_Timer, SIGNAL(timeout()), this, SLOT(OnTimeout()));
}