clearlineeditaddon.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#include "clearlineeditaddon.h"
#include <QLineEdit>
#include <QToolButton>
#include <QApplication>
#include <QStyle>
#include <QShortcut>
#include "lineeditbuttonmanager.h"
#include "interfaces/core/iiconthememanager.h"
 
namespace LC::Util
{
    ClearLineEditAddon::ClearLineEditAddon (const ICoreProxy_ptr& proxy, QLineEdit *edit)
    : ClearLineEditAddon { proxy, edit, new LineEditButtonManager { edit } }
    {
    }
 
    ClearLineEditAddon::ClearLineEditAddon (const ICoreProxy_ptr& proxy,
            QLineEdit *edit, LineEditButtonManager *mgr)
    : QObject { edit }
    , Button_ { new QToolButton { edit } }
    , EscShortcut_ { new QShortcut { Qt::Key_Escape, edit, SLOT (clear ()), nullptr, Qt::WidgetShortcut } }
    {
        const bool isRtl = QApplication::layoutDirection () == Qt::RightToLeft;
        const auto& icon = proxy->GetIconThemeManager ()->GetIcon (isRtl ?
                QStringLiteral ("edit-clear-locationbar-ltr") :
                QStringLiteral ("edit-clear-locationbar-rtl"));
 
        Button_->setIconSize (QSize (16, 16));
        Button_->setIcon (icon);
        Button_->setCursor (Qt::ArrowCursor);
        Button_->setStyleSheet (QStringLiteral ("QToolButton { border: none; padding: 0px; }"));
        Button_->hide ();
 
        connect (Button_,
                &QToolButton::clicked,
                edit,
                &QLineEdit::clear);
 
        connect (edit,
                &QLineEdit::textChanged,
                this,
                [this] (const QString& str) { Button_->setVisible (!str.isEmpty ()); });
        Button_->setVisible (!edit->text ().isEmpty ());
 
        mgr->Add (Button_);
    }
 
    void ClearLineEditAddon::SetEscClearsEdit (bool clears)
    {
        EscShortcut_->setEnabled (clears);
    }
}