Google Code-in: Center help text field
Modifies the grid layout slightly so that the help text which appears when hovering over certain elements is centered with respect to the window, even when there are more buttons on one side.
https://google-melange.appspot.com/gci/task/view/google/gci2012/7968226
#include <QEvent>
#include <QWidget>
#include <QStackedLayout>
#include <QLabel>
#include <QLineEdit>
#include <QCheckBox>
#include "mouseoverfilter.h"
#include "ui/page/AbstractPage.h"
#include "ui_hwform.h"
#include "hwform.h"
#include "gameuiconfig.h"
#include "DataManager.h"
#include "SDLInteraction.h"
MouseOverFilter::MouseOverFilter(QObject *parent) :
QObject(parent)
{
}
bool MouseOverFilter::eventFilter( QObject *dist, QEvent *event )
{
if (event->type() == QEvent::Enter)
{
QWidget * widget = dynamic_cast<QWidget*>(dist);
abstractpage = qobject_cast<AbstractPage*>(ui->Pages->currentWidget());
if (widget->whatsThis() != NULL)
abstractpage->setButtonDescription(widget->whatsThis());
else if (widget->toolTip() != NULL)
abstractpage->setButtonDescription(widget->toolTip());
// play a sound when mouse hovers certain ui elements
QPushButton * button = dynamic_cast<QPushButton*>(dist);
QLineEdit * textfield = dynamic_cast<QLineEdit*>(dist);
QCheckBox * checkbox = dynamic_cast<QCheckBox*>(dist);
QComboBox * droplist = dynamic_cast<QComboBox*>(dist);
QSlider * slider = dynamic_cast<QSlider*>(dist);
QTabWidget * tab = dynamic_cast<QTabWidget*>(dist);
if (HWForm::config->isFrontendSoundEnabled() && (button || textfield || checkbox || droplist || slider || tab))
{
SDLInteraction::instance().playSoundFile("/Sounds/steps.ogg");
}
return true;
}
else if (event->type() == QEvent::Leave)
{
abstractpage = qobject_cast<AbstractPage*>(ui->Pages->currentWidget());
if (abstractpage->getDefautDescription() != NULL)
{
abstractpage->setButtonDescription( * abstractpage->getDefautDescription());
}
else
abstractpage->setButtonDescription("");
}
return false;
}
void MouseOverFilter::setUi(Ui_HWForm *uiForm)
{
ui = uiForm;
}