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103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
#include "passwordedit.h"
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#ifdef QTOX_PLATFORM_EXT
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#include "src/platform/capslock.h"
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#endif
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#include <QCoreApplication>
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// It isn't needed for OSX, because it shows indicator by default
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#if defined(QTOX_PLATFORM_EXT) && !defined(Q_OS_OSX)
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#define ENABLE_CAPSLOCK_INDICATOR
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#endif
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PasswordEdit::EventHandler* PasswordEdit::eventHandler{nullptr};
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PasswordEdit::PasswordEdit(QWidget* parent)
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: QLineEdit(parent)
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, action(new QAction(this))
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{
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setEchoMode(QLineEdit::Password);
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#ifdef ENABLE_CAPSLOCK_INDICATOR
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action->setIcon(QIcon(":img/caps_lock.svg"));
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action->setToolTip(tr("CAPS-LOCK ENABLED"));
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addAction(action, QLineEdit::TrailingPosition);
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#endif
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}
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PasswordEdit::~PasswordEdit()
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{
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unregisterHandler();
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}
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void PasswordEdit::registerHandler()
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{
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#ifdef ENABLE_CAPSLOCK_INDICATOR
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if (!eventHandler)
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eventHandler = new EventHandler();
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if (!eventHandler->actions.contains(action))
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eventHandler->actions.append(action);
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#endif
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}
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void PasswordEdit::unregisterHandler()
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{
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#ifdef ENABLE_CAPSLOCK_INDICATOR
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int idx;
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if (eventHandler && (idx = eventHandler->actions.indexOf(action)) >= 0) {
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eventHandler->actions.remove(idx);
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if (eventHandler->actions.isEmpty()) {
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delete eventHandler;
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eventHandler = nullptr;
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}
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}
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#endif
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}
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void PasswordEdit::showEvent(QShowEvent*)
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{
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#ifdef ENABLE_CAPSLOCK_INDICATOR
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action->setVisible(Platform::capsLockEnabled());
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#endif
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registerHandler();
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}
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void PasswordEdit::hideEvent(QHideEvent*)
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{
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unregisterHandler();
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}
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#ifdef ENABLE_CAPSLOCK_INDICATOR
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PasswordEdit::EventHandler::EventHandler()
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{
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QCoreApplication::instance()->installEventFilter(this);
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}
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PasswordEdit::EventHandler::~EventHandler()
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{
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QCoreApplication::instance()->removeEventFilter(this);
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}
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void PasswordEdit::EventHandler::updateActions()
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{
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bool caps = Platform::capsLockEnabled();
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for (QAction* action : actions)
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action->setVisible(caps);
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}
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bool PasswordEdit::EventHandler::eventFilter(QObject* obj, QEvent* event)
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{
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switch (event->type()) {
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case QEvent::WindowActivate:
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case QEvent::KeyRelease:
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updateActions();
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break;
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default:
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break;
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}
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return QObject::eventFilter(obj, event);
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}
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#endif // ENABLE_CAPSLOCK_INDICATOR
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