keyboardmanager.cpp

来自「爱可视605看PDF程式源代码, 基于APDF」· C++ 代码 · 共 39 行

#include "keyboardmanager.h"
#include <qapplication.h>


KeyboardManager *KeyboardManager::get() {
	qApp->installEventFilter(&s_instance);
	return &s_instance;
}

KeyboardManager::KeyboardManager()
	: m_locked(false) {
}

bool KeyboardManager::isKeyboardLocked() const {
	return m_locked;
}

void KeyboardManager::lockKeyboard(bool lock) {
	m_locked= lock;
	if(m_locked) {
		emit keyboardLocked();
	} else {
		emit keyboardUnlocked();
	}
}

bool KeyboardManager::eventFilter(QObject*, QEvent *evt) {
	if( m_locked &&
		evt->type() == QEvent::KeyPress &&
		((QKeyEvent*) evt)->key() != Key_Enter
	) {
		return true;
	} else {
		return false;
	}
}

KeyboardManager KeyboardManager::s_instance;