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/***************************************************************************
wwidget.cpp - description
-------------------
begin : Wed Jun 18 2003
copyright : (C) 2003 by Tue & Ken Haste Andersen
email : haste@diku.dk
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <QtDebug>
#include <QTouchEvent>
#include "widget/wwidget.h"
#include "control/controlproxy.h"
#include "util/assert.h"
WWidget::WWidget(QWidget* parent, Qt::WindowFlags flags)
: QWidget(parent, flags),
WBaseWidget(this),
m_activeTouchButton(Qt::NoButton),
m_scaleFactor(1.0) {
m_pTouchShift = new ControlProxy("[Controls]", "touch_shift");
setAttribute(Qt::WA_StaticContents);
setAttribute(Qt::WA_AcceptTouchEvents);
setFocusPolicy(Qt::ClickFocus);
}
WWidget::~WWidget() {
delete m_pTouchShift;
}
bool WWidget::touchIsRightButton() {
return m_pTouchShift->toBool();
}
bool WWidget::event(QEvent* e) {
if (e->type() == QEvent::ToolTip) {
updateTooltip();
} if (e->type() == QEvent::FontChange) {
const QFont& fonti = font();
// Change the new font on the fly by casting away its constancy
// using setFont() here, would results into a recursive loop
// resetting the font to the original css values.
// Only scale pixel size fonts, point size fonts are scaled by the OS
if (fonti.pixelSize() > 0) {
const_cast<QFont&>(fonti).setPixelSize(
static_cast<int>(fonti.pixelSize() * m_scaleFactor));
}
} else if (isEnabled()) {
switch(e->type()) {
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
{
QTouchEvent* touchEvent = dynamic_cast<QTouchEvent*>(e);
if (touchEvent == nullptr || touchEvent->device() == nullptr ||
touchEvent->device()->type() != QTouchDevice::TouchScreen) {
break;
}
// fake a mouse event!
QEvent::Type eventType = QEvent::None;
switch (touchEvent->type()) {
case QEvent::TouchBegin:
eventType = QEvent::MouseButtonPress;
if (touchIsRightButton()) {
// touch is right click
m_activeTouchButton = Qt::RightButton;
} else {
m_activeTouchButton = Qt::LeftButton;
}
break;
case QEvent::TouchUpdate:
eventType = QEvent::MouseMove;
break;
case QEvent::TouchEnd:
eventType = QEvent::MouseButtonRelease;
break;
default:
DEBUG_ASSERT(false);
break;
}
const QTouchEvent::TouchPoint &touchPoint =
touchEvent->touchPoints().first();
QMouseEvent mouseEvent(eventType,
touchPoint.pos(),
touchPoint.pos(),
touchPoint.screenPos(),
m_activeTouchButton, // Button that causes the event
Qt::NoButton, // Not used, so no need to fake a proper value.
touchEvent->modifiers(),
Qt::MouseEventSynthesizedByApplication);
return QWidget::event(&mouseEvent);
}
default:
break;
}
}
return QWidget::event(e);
}
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