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#include <QtDebug>
#include "widget/wwidgetstack.h"
WidgetStackControlListener::WidgetStackControlListener(QObject* pParent,
ControlObject* pControl,
int index)
: QObject(pParent),
m_control(pControl ? pControl->getKey() : ConfigKey(), this),
m_index(index) {
m_control.connectValueChanged(this, &WidgetStackControlListener::slotValueChanged);
}
void WidgetStackControlListener::slotValueChanged(double v) {
if (v > 0.0) {
emit(switchToWidget());
} else {
emit(hideWidget());
}
}
void WidgetStackControlListener::onCurrentWidgetChanged(int index) {
if (index == m_index && m_control.get() == 0.0) {
m_control.set(1.0);
} else if (index != m_index && m_control.get() != 0.0) {
m_control.set(0.0);
}
}
WWidgetStack::WWidgetStack(QWidget* pParent, const ConfigKey& nextConfigKey,
const ConfigKey& prevConfigKey, const ConfigKey& currentPageConfigKey)
: QStackedWidget(pParent),
WBaseWidget(this),
m_nextControl(nextConfigKey, this),
m_prevControl(prevConfigKey, this),
m_currentPageControl(currentPageConfigKey, this) {
m_nextControl.connectValueChanged(this, &WWidgetStack::onNextControlChanged);
m_prevControl.connectValueChanged(this, &WWidgetStack::onPrevControlChanged);
m_currentPageControl.connectValueChanged(this, &WWidgetStack::onCurrentPageControlChanged);
connect(&m_showMapper, SIGNAL(mapped(int)),
this, SLOT(showIndex(int)));
connect(&m_hideMapper, SIGNAL(mapped(int)),
this, SLOT(hideIndex(int)));
}
// override
void WWidgetStack::Init() {
WBaseWidget::Init();
connect(this, SIGNAL(currentChanged(int)),
this, SLOT(onCurrentPageChanged(int)));
}
QSize WWidgetStack::sizeHint() const {
QWidget* pWidget = currentWidget();
return pWidget ? pWidget->sizeHint() : QSize();
}
QSize WWidgetStack::minimumSizeHint() const {
QWidget* pWidget = currentWidget();
return pWidget ? pWidget->minimumSizeHint() : QSize();
}
void WWidgetStack::showIndex(int index) {
// Only respond to changes if the stack is visible. This allows multiple
// stacks to use the same trigger COs without causing conflicts.
if (isVisible()) {
setCurrentIndex(index);
}
}
void WWidgetStack::hideIndex(int index) {
if (!isVisible()) {
return;
}
if (currentIndex() == index) {
auto it = m_hideMap.constFind(index);
if (it != m_hideMap.constEnd()) {
setCurrentIndex(*it);
} else {
// TODO: This default behavior is a little odd, is it really what
// we want? Or should we save the previously-selected page and then
// switch to that.
setCurrentIndex((index + 1) % count());
}
}
}
void WWidgetStack::showEvent(QShowEvent* /*unused*/) {
int index = static_cast<int>(m_currentPageControl.get());
// Set the page triggers to match the current index.
for (QMap<int, WidgetStackControlListener*>::iterator it
= m_listeners.begin(); it != m_listeners.end(); ++it) {
it.value()->setControl(it.key() == index ? 1.0 : 0.0);
}
setCurrentIndex(index);
}
void WWidgetStack::onNextControlChanged(double v) {
if (!isVisible()) {
return;
}
if (v > 0.0) {
setCurrentIndex((currentIndex() + 1) % count());
}
}
void WWidgetStack::onPrevControlChanged(double v) {
if (!isVisible()) {
return;
}
if (v > 0.0) {
int newIndex = currentIndex() - 1;
while (newIndex < 0) {
newIndex += count();
}
setCurrentIndex(newIndex);
}
}
void WWidgetStack::onCurrentPageChanged(int index) {
if (!isVisible()) {
return;
}
m_currentPageControl.set(static_cast<double>(index));
}
void WWidgetStack::onCurrentPageControlChanged(double v) {
if (!isVisible()) {
return;
}
int newIndex = static_cast<int>(v);
setCurrentIndex(newIndex);
}
void WWidgetStack::addWidgetWithControl(QWidget* pWidget, ControlObject* pControl,
int on_hide_select) {
int index = addWidget(pWidget);
if (pControl) {
auto pListener = new WidgetStackControlListener(this, pControl, index);
m_showMapper.setMapping(pListener, index);
m_hideMapper.setMapping(pListener, index);
m_listeners[index] = pListener;
if (pControl->get() > 0) {
setCurrentIndex(count()-1);
}
pListener->onCurrentWidgetChanged(currentIndex());
connect(pListener, SIGNAL(switchToWidget()),
&m_showMapper, SLOT(map()));
connect(pListener, SIGNAL(hideWidget()),
&m_hideMapper, SLOT(map()));
connect(this, SIGNAL(currentChanged(int)),
pListener, SLOT(onCurrentWidgetChanged(int)));
}
if (m_currentPageControl.get() == index) {
// The value in the current page control overrides whatever initial
// values the individual page triggers may have.
setCurrentIndex(index);
}
if (on_hide_select != -1) {
m_hideMap[index] = on_hide_select;
}
}
bool WWidgetStack::event(QEvent* pEvent) {
if (pEvent->type() == QEvent::ToolTip) {
updateTooltip();
}
return QStackedWidget::event(pEvent);
}
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