From c69985e1cd542a73051c84457e61986a15b7b586 Mon Sep 17 00:00:00 2001
From: Andrea Diamantini <adjam7@gmail.com>
Date: Fri, 12 Dec 2008 11:33:42 +0100
Subject: 1st implementation of colored progress loading urlbar

---
 src/urlbar.cpp | 43 +++++++++++++++++++++++++++++++++++++++++--
 src/urlbar.h   |  3 +++
 2 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/src/urlbar.cpp b/src/urlbar.cpp
index 4a599463..894c702f 100644
--- a/src/urlbar.cpp
+++ b/src/urlbar.cpp
@@ -22,6 +22,7 @@
 #include "urlbar.moc"
 
 #include "browserapplication.h"
+#include "browsermainwindow.h"
 
 
 UrlBar::UrlBar(KHistoryComboBox *parent)
@@ -31,25 +32,30 @@ UrlBar::UrlBar(KHistoryComboBox *parent)
 {
     m_lineEdit = new QLineEdit;
     setLineEdit( m_lineEdit );
-    
+
+    m_defaultBaseColor = palette().color( QPalette::Base );
+
     // add every item to history
-    connect( this, SIGNAL( activated( const QString& )), this, SLOT( addToHistory( const QString& )));
+    connect( this, SIGNAL( activated( const QString& ) ), this, SLOT( addToHistory( const QString& ) ) );
 
     webViewIconChanged();
 }
 
 
+
 UrlBar::~UrlBar()
 {
 }
 
 
+
 QLineEdit *UrlBar::lineEdit()
 {
     return m_lineEdit;
 }
 
 
+
 void UrlBar::setWebView(WebView *webView)
 {
     Q_ASSERT(!m_webView);
@@ -61,6 +67,7 @@ void UrlBar::setWebView(WebView *webView)
 }
 
 
+
 void UrlBar::webViewUrlChanged(const QUrl &url)
 {
     m_lineEdit->setText(url.toString());
@@ -68,6 +75,7 @@ void UrlBar::webViewUrlChanged(const QUrl &url)
 }
 
 
+
 void UrlBar::webViewIconChanged()
 {
     KUrl url = (m_webView)  ? m_webView->url() : KUrl();
@@ -91,3 +99,34 @@ QLinearGradient UrlBar::generateGradient(const QColor &color) const
     gradient.setColorAt(1, m_defaultBaseColor);
     return gradient;
 }
+
+
+void UrlBar::paintEvent( QPaintEvent *event )
+{
+    QPalette p = palette();
+    if (m_webView && m_webView->url().scheme() == QLatin1String("https")) 
+    {
+        QColor lightYellow(248, 248, 210);
+        p.setBrush(QPalette::Base, generateGradient(lightYellow));
+    } 
+    else 
+    {
+        p.setBrush(QPalette::Base, m_defaultBaseColor);
+    }
+    setPalette(p);
+    KHistoryComboBox::paintEvent(event);
+
+    QPainter painter( this );
+    QRect backgroundRect = m_lineEdit->frameGeometry(); // contentsRect();
+    if ( m_webView && !hasFocus() ) 
+    {
+        int progress = m_webView->progress();
+        QColor loadingColor = QColor(116, 192, 250);
+        painter.setBrush( generateGradient(loadingColor) );
+        painter.setPen(Qt::transparent);
+        int mid = backgroundRect.width() / 100 * progress;
+        QRect progressRect(backgroundRect.x(), backgroundRect.y(), mid, backgroundRect.height());
+        painter.drawRect(progressRect);
+    }
+}
+
diff --git a/src/urlbar.h b/src/urlbar.h
index fcebc6f9..a670fca6 100644
--- a/src/urlbar.h
+++ b/src/urlbar.h
@@ -45,6 +45,9 @@ private slots:
     void webViewUrlChanged(const QUrl &url);
     void webViewIconChanged();
 
+protected:
+    void paintEvent( QPaintEvent * );
+
 private:
     QLinearGradient generateGradient(const QColor &color) const;
 
-- 
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