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#include "enableplayforwidget.h"
#include "musescore.h"
namespace Ms {
EnablePlayForWidget::EnablePlayForWidget(QWidget* target)
{
QAction* playAction = getAction("play");
_target = target;
_localPlayAction = new QAction(_target);
_localPlayAction->setData(playAction->data());
_localPlayAction->setCheckable(playAction->isCheckable());
_localPlayAction->setChecked(playAction->isChecked());
_localPlayAction->setShortcuts(playAction->shortcuts());
_localPlayAction->setShortcutContext(Qt::WidgetShortcut);
_target->addAction(_localPlayAction);
qApp->installEventFilter(_target);
QObject::connect(_localPlayAction, SIGNAL(triggered()), mscore->playButton(), SLOT(click()));
}
void EnablePlayForWidget::showEvent(QShowEvent*)
{
_target->setFocus();
}
//--------------------------------------------------------------------------------------------------
// eventFilter
//
// If any child of the target widget has focus when Escape Key is pressed it loses the focus
// and the target gains focus
// Also, it makes sure that the global play action and _localPlayAction always have the same shortcut
//--------------------------------------------------------------------------------------------------
bool EnablePlayForWidget::eventFilter(QObject* obj, QEvent* e)
{
if (obj == getAction("play")) {
_localPlayAction->setShortcuts(getAction("play")->shortcuts());
}
if (obj->isWidgetType() &&
e->type() == QEvent::KeyPress &&
obj != _target && // if obj == target, it means that the target has the focus. this case is handled by target::keyPressEvent
_target->isAncestorOf(static_cast<QWidget*>(obj))) {
QKeyEvent* ev = static_cast<QKeyEvent*>(e);
if (ev->key() == Qt::Key_Escape && ev->modifiers() == Qt::NoModifier) {
_target->setFocus();
return true;
}
}
return false;
}
//-----------------------------------------------------------------------
// connectLocalPlayToDifferentSlot
//
// Note: the _localPlayAction will always be connected to only one slot
// in order not to trigger the global play action twice
// By default it's set to click the play button from the main window
//-----------------------------------------------------------------------
void EnablePlayForWidget::connectLocalPlayToDifferentSlot(QObject *obj, const char *id)
{
_localPlayAction->disconnect();
QObject::connect(_localPlayAction, SIGNAL(triggered()), obj, id);
}
}
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