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author | Qt Continuous Integration System <qt-info@nokia.com> | 2011-03-27 23:34:33 (GMT) |
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committer | Qt Continuous Integration System <qt-info@nokia.com> | 2011-03-27 23:34:33 (GMT) |
commit | f5542efa32c0e28f28b361c554f9ae2c3f6fc546 (patch) | |
tree | 6c2a8b9a46fcda2c72b5318bca247c46fc0bf36a /doc/src/snippets/code/doc_src_layout.cpp | |
parent | cdbb761416996efef99e6eccc7f42730d64f35cb (diff) | |
parent | 8faad8f5e7ddf03b4bf19ef51ddd1ad3c3b5f968 (diff) | |
download | Qt-f5542efa32c0e28f28b361c554f9ae2c3f6fc546.zip Qt-f5542efa32c0e28f28b361c554f9ae2c3f6fc546.tar.gz Qt-f5542efa32c0e28f28b361c554f9ae2c3f6fc546.tar.bz2 |
Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-doc-staging into 4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-doc-staging: (185 commits)
qdoc: Avoid infinite loops in table of contents generation.
Removed the documentation from the install rule.
qdoc: Added the <othermeta> element.
qdoc: Completed changing <section> structure.
Doc: Fixed reference to absolete API in exceptionsafety.html
Doc: Removed links to obsolete API in QResource
Doc: Fixed broken links in QIcon::fromTheme()
Doc: Fixed doc bug in undo framework example
Doc: Fixed typo.
qdoc: Changed <section> structure.
Doc: Typo fixes
Doc: Fixed snippet documenting QMetaObject::classInfo
Doc: Cannot alter SelectionMode of a combobox's view
qdoc: Added <publisher> and <permissions> elements.
qdoc: Added <component> element to contain the module name.
qdoc: Added <prodinfo> element and its contents to the metadata.
Doc: Fixed a doc bug in the Rogue example
Doc: Small change to QByteArray::resize()
Doc: Small change to ListModel docs
Doc: QtDemo now gives error message when example doc cannot be loaded
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Diffstat (limited to 'doc/src/snippets/code/doc_src_layout.cpp')
-rw-r--r-- | doc/src/snippets/code/doc_src_layout.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/doc/src/snippets/code/doc_src_layout.cpp b/doc/src/snippets/code/doc_src_layout.cpp new file mode 100644 index 0000000..47db36b --- /dev/null +++ b/doc/src/snippets/code/doc_src_layout.cpp @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +#ifndef CARD_H +#define CARD_H + +#include <QtGui> +#include <QList> + +class CardLayout : public QLayout +{ +public: + CardLayout(QWidget *parent, int dist): QLayout(parent, 0, dist) {} + CardLayout(QLayout *parent, int dist): QLayout(parent, dist) {} + CardLayout(int dist): QLayout(dist) {} + ~CardLayout(); + + void addItem(QLayoutItem *item); + QSize sizeHint() const; + QSize minimumSize() const; + QLayoutItem *count() const; + QLayoutItem *itemAt(int) const; + QLayoutItem *takeAt(int); + void setGeometry(const QRect &rect); + +private: + QList<QLayoutItem*> list; +}; +#endif +//! [0] + + +//! [1] +//#include "card.h" +//! [1] + +//! [2] +QLayoutItem *CardLayout::count() const +{ + // QList::size() returns the number of QLayoutItems in the list + return list.size(); +} +//! [2] + +//! [3] +QLayoutItem *CardLayout::itemAt(int idx) const +{ + // QList::value() performs index checking, and returns 0 if we are + // outside the valid range + return list.value(idx); +} + +QLayoutItem *CardLayout::takeAt(int idx) +{ + // QList::take does not do index checking + return idx >= 0 && idx < list.size() ? list.takeAt(idx) : 0; +} +//! [3] + + +//! [4] +void CardLayout::addItem(QLayoutItem *item) +{ + list.append(item); +} +//! [4] + + +//! [5] +CardLayout::~CardLayout() +{ + QLayoutItem *item; + while ((item = takeAt(0))) + delete item; +} +//! [5] + + +//! [6] +void CardLayout::setGeometry(const QRect &r) +{ + QLayout::setGeometry(r); + + if (list.size() == 0) + return; + + int w = r.width() - (list.count() - 1) * spacing(); + int h = r.height() - (list.count() - 1) * spacing(); + int i = 0; + while (i < list.size()) { + QLayoutItem *o = list.at(i); + QRect geom(r.x() + i * spacing(), r.y() + i * spacing(), w, h); + o->setGeometry(geom); + ++i; + } +} +//! [6] + + +//! [7] +QSize CardLayout::sizeHint() const +{ + QSize s(0,0); + int n = list.count(); + if (n > 0) + s = QSize(100,70); //start with a nice default size + int i = 0; + while (i < n) { + QLayoutItem *o = list.at(i); + s = s.expandedTo(o->sizeHint()); + ++i; + } + return s + n*QSize(spacing(), spacing()); +} + +QSize CardLayout::minimumSize() const +{ + QSize s(0,0); + int n = list.count(); + int i = 0; + while (i < n) { + QLayoutItem *o = list.at(i); + s = s.expandedTo(o->minimumSize()); + ++i; + } + return s + n*QSize(spacing(), spacing()); +} +//! [7] |