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path: root/src/urlbar.cpp
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/* ============================================================
 *
 * This file is a part of the reKonq project
 *
 * Copyright (C) 2008 by Andrea Diamantini <adjam7 at gmail dot com>
 *
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */

// Local Includes
#include "urlbar.h"
#include "urlbar.moc"

#include "browserapplication.h"

// Qt Includes
#include <QVBoxLayout>
#include <QCompleter>
#include <QFocusEvent>
#include <QPainter>
#include <QStyle>
#include <QStyleOptionFrameV2>



UrlBar::UrlBar(QWidget *parent)
    : QWidget(parent)
    , m_webView(0)
    , m_iconLabel(0)
    , m_lineEdit(0)
{
    // icon
    m_iconLabel = new QLabel;
    m_iconLabel->resize(16, 16);

    m_lineEdit = new KLineEdit;

    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(m_iconLabel);
    layout->addWidget(m_lineEdit);
    setLayout(layout);

    m_defaultBaseColor = palette().color(QPalette::Base);

    webViewIconChanged();
}

UrlBar::~UrlBar()
{
//     delete m_webView;
    delete m_iconLabel;
    delete m_lineEdit;
}

KLineEdit *UrlBar::lineEdit()
{
    return m_lineEdit;
}

void UrlBar::setWebView(WebView *webView)
{
    Q_ASSERT(!m_webView);
    m_webView = webView;
//     m_iconLabel->m_webView = webView;
    connect(webView, SIGNAL(urlChanged(const QUrl &)), this, SLOT(webViewUrlChanged(const QUrl &)));
    connect(webView, SIGNAL(loadFinished(bool)), this, SLOT(webViewIconChanged()));
    connect(webView, SIGNAL(iconChanged()), this, SLOT(webViewIconChanged()));
    connect(webView, SIGNAL(loadProgress(int)), this, SLOT(update()));
}

void UrlBar::paintEvent(QPaintEvent *event)
{
    QPainter p(this);
    QStyleOptionFrameV2 *optionPanel;

    optionPanel->initFrom(this);
    optionPanel->rect = contentsRect();
    optionPanel->lineWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth, optionPanel, this);
    optionPanel->midLineWidth = 0;
    optionPanel->state |= QStyle::State_Sunken;
    if (m_lineEdit->isReadOnly())
        optionPanel->state |= QStyle::State_ReadOnly;
    optionPanel->features = QStyleOptionFrameV2::None;

    style()->drawPrimitive(QStyle::PE_PanelLineEdit, optionPanel, &p, (QWidget *) this);
}

void UrlBar::focusOutEvent(QFocusEvent *event)
{
    if (m_lineEdit->text().isEmpty() && m_webView)
    {
        m_lineEdit->setText(m_webView->url().toString());
    }
    
//     m_lineEdit->event(event); // FIXME

    if (m_lineEdit->completer()) 
    {
        connect(m_lineEdit->completer(), SIGNAL(activated(QString)), m_lineEdit, SLOT(setText(QString)));
        connect(m_lineEdit->completer(), SIGNAL(highlighted(QString)), m_lineEdit, SLOT(_q_completionHighlighted(QString)));
    }
    QWidget::focusOutEvent(event);
}

void UrlBar::webViewUrlChanged(const QUrl &url)
{
    m_lineEdit->setText(url.toString());
    m_lineEdit->setCursorPosition(0);
}

void UrlBar::webViewIconChanged()
{
    QUrl url = (m_webView)  ? m_webView->url() : QUrl();
    QIcon icon = BrowserApplication::instance()->icon(url);
    QPixmap pixmap(icon.pixmap(16, 16));
    m_iconLabel->setPixmap(pixmap);
}

QLinearGradient UrlBar::generateGradient(const QColor &color) const
{
    QLinearGradient gradient(0, 0, 0, height());
    gradient.setColorAt(0, m_defaultBaseColor);
    gradient.setColorAt(0.15, color.lighter(120));
    gradient.setColorAt(0.5, color);
    gradient.setColorAt(0.85, color.lighter(120));
    gradient.setColorAt(1, m_defaultBaseColor);
    return gradient;
}