Color tip for QML; Start of a bit more extensible tooltip class.

src/plugins/texteditor/tooltip/tips.cpp

@@ -0,0 +1,100 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "tips.h"
+#include "tipcontents.h"
+
+#include <QtCore/QRect>
+#include <QtGui/QColor>
+#include <QtGui/QPainter>
+#include <QtGui/QPixmap>
+
+using namespace TextEditor;
+using namespace Internal;
+
+namespace {
+    // @todo: Reuse...
+    QPixmap tilePixMap(int size)
+    {
+        const int checkerbordSize= size;
+        QPixmap tilePixmap(checkerbordSize * 2, checkerbordSize * 2);
+        tilePixmap.fill(Qt::white);
+        QPainter tilePainter(&tilePixmap);
+        QColor color(220, 220, 220);
+        tilePainter.fillRect(0, 0, checkerbordSize, checkerbordSize, color);
+        tilePainter.fillRect(checkerbordSize, checkerbordSize, checkerbordSize, checkerbordSize, color);
+        return tilePixmap;
+    }
+}
+
+Tip::Tip(QWidget *parent) : QFrame(parent)
+{
+    setWindowFlags(Qt::ToolTip);
+    setAutoFillBackground(true);
+    ensurePolished();
+}
+
+Tip::~Tip()
+{}
+
+void Tip::setContent(const QSharedPointer<TipContent> &content)
+{
+    m_content = content;
+    configure();
+}
+
+const QSharedPointer<TipContent> &Tip::content() const
+{ return m_content; }
+
+ColorTip::ColorTip(QWidget *parent) : Tip(parent)
+{
+    setFrameStyle(QFrame::Box);
+    resize(QSize(40, 40));
+
+    m_tilePixMap = tilePixMap(9);
+}
+
+ColorTip::~ColorTip()
+{}
+
+void ColorTip::configure()
+{
+    update();
+}
+
+void ColorTip::paintEvent(QPaintEvent *event)
+{
+    QPainter painter(this);
+    QRect r(1, 1, width() - 2, height() - 2);
+    painter.drawTiledPixmap(r, m_tilePixMap);
+    painter.setBrush(static_cast<QColorContent *>(content().data())->color());
+    painter.drawRect(rect());
+
+    QFrame::paintEvent(event);
+}