diff options
author | Gabriel de Dietrich <gabriel.dietrich-de@nokia.com> | 2012-08-17 13:23:19 +0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-08-20 12:20:55 +0200 |
commit | 806dda08d685bc5f9ed71dfe8b61f21848d48066 (patch) | |
tree | a63533a1c4a335ae17adc105abb0ae4e62e2f26e /examples/widgets/itemviews/stardelegate/starrating.cpp | |
parent | 9f942014e31842b512c3198de035d041c59f54a9 (diff) |
Moving .qdoc files under examples/widgets/doc
Updated those .qdoc files to refer to the new relative examples
emplacement. Images and snippets to be moved later.
Also grouped all widgets related examples under widgets.
Change-Id: Ib29696e2d8948524537f53e8dda88f9ee26a597f
Reviewed-by: J-P Nurmi <j-p.nurmi@nokia.com>
Diffstat (limited to 'examples/widgets/itemviews/stardelegate/starrating.cpp')
-rw-r--r-- | examples/widgets/itemviews/stardelegate/starrating.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/examples/widgets/itemviews/stardelegate/starrating.cpp b/examples/widgets/itemviews/stardelegate/starrating.cpp new file mode 100644 index 0000000000..cea9330db2 --- /dev/null +++ b/examples/widgets/itemviews/stardelegate/starrating.cpp @@ -0,0 +1,102 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets> +#include <math.h> + +#include "starrating.h" + +const int PaintingScaleFactor = 20; + +//! [0] +StarRating::StarRating(int starCount, int maxStarCount) +{ + myStarCount = starCount; + myMaxStarCount = maxStarCount; + + starPolygon << QPointF(1.0, 0.5); + for (int i = 1; i < 5; ++i) + starPolygon << QPointF(0.5 + 0.5 * cos(0.8 * i * 3.14), + 0.5 + 0.5 * sin(0.8 * i * 3.14)); + + diamondPolygon << QPointF(0.4, 0.5) << QPointF(0.5, 0.4) + << QPointF(0.6, 0.5) << QPointF(0.5, 0.6) + << QPointF(0.4, 0.5); +} +//! [0] + +//! [1] +QSize StarRating::sizeHint() const +{ + return PaintingScaleFactor * QSize(myMaxStarCount, 1); +} +//! [1] + +//! [2] +void StarRating::paint(QPainter *painter, const QRect &rect, + const QPalette &palette, EditMode mode) const +{ + painter->save(); + + painter->setRenderHint(QPainter::Antialiasing, true); + painter->setPen(Qt::NoPen); + + if (mode == Editable) { + painter->setBrush(palette.highlight()); + } else { + painter->setBrush(palette.foreground()); + } + + int yOffset = (rect.height() - PaintingScaleFactor) / 2; + painter->translate(rect.x(), rect.y() + yOffset); + painter->scale(PaintingScaleFactor, PaintingScaleFactor); + + for (int i = 0; i < myMaxStarCount; ++i) { + if (i < myStarCount) { + painter->drawPolygon(starPolygon, Qt::WindingFill); + } else if (mode == Editable) { + painter->drawPolygon(diamondPolygon, Qt::WindingFill); + } + painter->translate(1.0, 0.0); + } + + painter->restore(); +} +//! [2] |