QTfrontend/ui/qaspectratiolayout.cpp
changeset 6616 f77bb02b669f
parent 6060 fdfc01419815
--- a/QTfrontend/ui/qaspectratiolayout.cpp	Mon Jan 30 23:20:28 2012 +0100
+++ b/QTfrontend/ui/qaspectratiolayout.cpp	Mon Jan 30 17:32:18 2012 -0500
@@ -4,116 +4,141 @@
 
 #include "qaspectratiolayout.h"
 
-QAspectRatioLayout::QAspectRatioLayout(QWidget* parent, int spacing) : QLayout(parent) {
-        init(spacing);
+QAspectRatioLayout::QAspectRatioLayout(QWidget* parent, int spacing) : QLayout(parent)
+{
+    init(spacing);
 }
 
-QAspectRatioLayout::QAspectRatioLayout(int spacing) {
-        init(spacing);
+QAspectRatioLayout::QAspectRatioLayout(int spacing)
+{
+    init(spacing);
 }
 
-QAspectRatioLayout::~QAspectRatioLayout() {
-        delete item;
-        delete lastReceivedRect;
-        delete _geometry;
+QAspectRatioLayout::~QAspectRatioLayout()
+{
+    delete item;
+    delete lastReceivedRect;
+    delete _geometry;
 }
 
-void QAspectRatioLayout::init(int spacing) {
-        item = 0;
-        lastReceivedRect = new QRect(0, 0, 0, 0);
-        _geometry = new QRect(0, 0, 0, 0);
-        setSpacing(spacing);
+void QAspectRatioLayout::init(int spacing)
+{
+    item = 0;
+    lastReceivedRect = new QRect(0, 0, 0, 0);
+    _geometry = new QRect(0, 0, 0, 0);
+    setSpacing(spacing);
 }
 
 
 /* Adds item if place isn't already taken. */
-void QAspectRatioLayout::add(QLayoutItem* item) {
-        if(!hasItem()) {
-                replaceItem(item);
-        }
+void QAspectRatioLayout::add(QLayoutItem* item)
+{
+    if(!hasItem())
+    {
+        replaceItem(item);
+    }
 }
 
 /* Adds item if place isn't already taken. */
-void QAspectRatioLayout::addItem(QLayoutItem* item) {
-        if(!hasItem()) {
-                replaceItem(item);
-        }
+void QAspectRatioLayout::addItem(QLayoutItem* item)
+{
+    if(!hasItem())
+    {
+        replaceItem(item);
+    }
 }
 
 /* Adds widget if place isn't already taken. */
-void QAspectRatioLayout::addWidget(QWidget* widget) {
-        if(!hasItem()) {
-                replaceItem(new QWidgetItem(widget));
-        }
+void QAspectRatioLayout::addWidget(QWidget* widget)
+{
+    if(!hasItem())
+    {
+        replaceItem(new QWidgetItem(widget));
+    }
 }
 
 /* Returns the item pointer and dereferences it here. */
-QLayoutItem* QAspectRatioLayout::take() {
-        QLayoutItem* item = 0;
-        if(this->hasItem()) {
-                item = this->item;
-                this->item = 0;
-        }
-        return item;
+QLayoutItem* QAspectRatioLayout::take()
+{
+    QLayoutItem* item = 0;
+    if(this->hasItem())
+    {
+        item = this->item;
+        this->item = 0;
+    }
+    return item;
 }
 
 /* Returns the item pointer and dereferences it here. */
-QLayoutItem* QAspectRatioLayout::takeAt(int index) {
-        if(index != 0) {
-                return 0;
-        }
-        return this->take();
+QLayoutItem* QAspectRatioLayout::takeAt(int index)
+{
+    if(index != 0)
+    {
+        return 0;
+    }
+    return this->take();
 }
 
 /* Returns the item pointer. */
-QLayoutItem* QAspectRatioLayout::itemAt(int index) const {
-        if(index != 0) {
-                return 0;
-        }
-        if(hasItem()) {
-                return this->item;
-        }
+QLayoutItem* QAspectRatioLayout::itemAt(int index) const
+{
+    if(index != 0)
+    {
         return 0;
+    }
+    if(hasItem())
+    {
+        return this->item;
+    }
+    return 0;
 }
 
 /* Checks if we have an item. */
-bool QAspectRatioLayout::hasItem() const {
-        return this->item != 0;
+bool QAspectRatioLayout::hasItem() const
+{
+    return this->item != 0;
 }
 
 /* Returns the count of items which can be either 0 or 1. */
-int QAspectRatioLayout::count() const {
-        int returnValue = 0;
-        if(hasItem()) {
-                returnValue = 1;
-        }
-        return returnValue;
+int QAspectRatioLayout::count() const
+{
+    int returnValue = 0;
+    if(hasItem())
+    {
+        returnValue = 1;
+    }
+    return returnValue;
 }
 
 /* Replaces the item with the new and returns the old. */
-QLayoutItem* QAspectRatioLayout::replaceItem(QLayoutItem* item) {
-        QLayoutItem* old = 0;
-        if(this->hasItem()) {
-                old = this->item;
-        }
-        this->item = item;
-        setGeometry(*this->_geometry);
-        return old;
+QLayoutItem* QAspectRatioLayout::replaceItem(QLayoutItem* item)
+{
+    QLayoutItem* old = 0;
+    if(this->hasItem())
+    {
+        old = this->item;
+    }
+    this->item = item;
+    setGeometry(*this->_geometry);
+    return old;
 }
 
 /* Tells which way layout expands. */
-Qt::Orientations QAspectRatioLayout::expandingDirections() const {
-        return Qt::Horizontal | Qt::Vertical;
+Qt::Orientations QAspectRatioLayout::expandingDirections() const
+{
+    return Qt::Horizontal | Qt::Vertical;
 }
 
 /* Tells which size is preferred. */
-QSize QAspectRatioLayout::sizeHint() const {
-        return this->item->minimumSize();
+QSize QAspectRatioLayout::sizeHint() const
+{
+    return this->item->minimumSize();
 }
 
 /* Tells minimum size. */
-QSize QAspectRatioLayout::minimumSize() const {
-        return this->item->minimumSize();
+QSize QAspectRatioLayout::minimumSize() const
+{
+    return this->item->minimumSize();
 }
 
 /*
@@ -121,86 +146,99 @@
  * It isn't since width isn't enough to calculate
  * proper size.
  */
-bool QAspectRatioLayout::hasHeightForWidth() const {
-        return false;
+bool QAspectRatioLayout::hasHeightForWidth() const
+{
+    return false;
 }
 
 /* Replaces lastReceivedRect. */
-void QAspectRatioLayout::setLastReceivedRect(const QRect& rect) {
-        QRect* oldRect = this->lastReceivedRect;
-        this->lastReceivedRect = new QRect(rect.topLeft(), rect.size());
-        delete oldRect;
+void QAspectRatioLayout::setLastReceivedRect(const QRect& rect)
+{
+    QRect* oldRect = this->lastReceivedRect;
+    this->lastReceivedRect = new QRect(rect.topLeft(), rect.size());
+    delete oldRect;
 }
 
 /* Returns geometry */
-QRect QAspectRatioLayout::geometry() {
-        return QRect(*this->_geometry);
+QRect QAspectRatioLayout::geometry()
+{
+    return QRect(*this->_geometry);
 }
 
 /* Sets geometry to given size. */
-void QAspectRatioLayout::setGeometry(const QRect& rect) {
-        /*
-         * We check if the item is set and
-         * if size is the same previously received.
-         * If either is false nothing is done.
-         */
-        if(!this->hasItem() ||
-           areRectsEqual(*this->lastReceivedRect, rect)) {
-                return;
-        }
-        /* Replace the last received rectangle. */
-        setLastReceivedRect(rect);
-        /* Calculate proper size for the item relative to the received size. */
-        QSize properSize = calculateProperSize(rect.size());
-        /* Calculate center location in the rect and with item size. */
-        QPoint properLocation = calculateCenterLocation(rect.size(), properSize);
-        /* Set items geometry */
-        this->item->setGeometry(QRect(properLocation, properSize));
-        QRect* oldRect = this->_geometry;
-        /* Cache the calculated geometry. */
-        this->_geometry = new QRect(properLocation, properSize);
-        delete oldRect;
-        /* Super classes setGeometry */
-        QLayout::setGeometry(*this->_geometry);
+void QAspectRatioLayout::setGeometry(const QRect& rect)
+{
+    /*
+     * We check if the item is set and
+     * if size is the same previously received.
+     * If either is false nothing is done.
+     */
+    if(!this->hasItem() ||
+            areRectsEqual(*this->lastReceivedRect, rect))
+    {
+        return;
+    }
+    /* Replace the last received rectangle. */
+    setLastReceivedRect(rect);
+    /* Calculate proper size for the item relative to the received size. */
+    QSize properSize = calculateProperSize(rect.size());
+    /* Calculate center location in the rect and with item size. */
+    QPoint properLocation = calculateCenterLocation(rect.size(), properSize);
+    /* Set items geometry */
+    this->item->setGeometry(QRect(properLocation, properSize));
+    QRect* oldRect = this->_geometry;
+    /* Cache the calculated geometry. */
+    this->_geometry = new QRect(properLocation, properSize);
+    delete oldRect;
+    /* Super classes setGeometry */
+    QLayout::setGeometry(*this->_geometry);
 }
 
 /* Takes the shortest side and creates QSize
  * with the shortest side as width and height. */
-QSize QAspectRatioLayout::calculateProperSize(QSize from) const {
-        QSize properSize;
-        if(from.height() * 2 < from.width()) {
-                properSize.setHeight(from.height() - this->margin());
-                properSize.setWidth(from.height() * 2 - this->margin());
-        }
-        else {
-                properSize.setWidth(from.width() - this->margin());
-                properSize.setHeight(from.width() / 2 - this->margin());
-        }
-        return properSize;
+QSize QAspectRatioLayout::calculateProperSize(QSize from) const
+{
+    QSize properSize;
+    if(from.height() * 2 < from.width())
+    {
+        properSize.setHeight(from.height() - this->margin());
+        properSize.setWidth(from.height() * 2 - this->margin());
+    }
+    else
+    {
+        properSize.setWidth(from.width() - this->margin());
+        properSize.setHeight(from.width() / 2 - this->margin());
+    }
+    return properSize;
 }
 
 /* Calculates center location from the given height and width for item size. */
 QPoint QAspectRatioLayout::calculateCenterLocation(QSize from,
-                                                   QSize itemSize) const {
-        QPoint centerLocation;
-        if((from.width() - itemSize.width()) > 0) {
-                centerLocation.setX((from.width() - itemSize.width())/2);
-        }
-        if((from.height() - itemSize.height()) > 0) {
-                centerLocation.setY((from.height() - itemSize.height())/2);
-        }
-        return centerLocation;
+        QSize itemSize) const
+{
+    QPoint centerLocation;
+    if((from.width() - itemSize.width()) > 0)
+    {
+        centerLocation.setX((from.width() - itemSize.width())/2);
+    }
+    if((from.height() - itemSize.height()) > 0)
+    {
+        centerLocation.setY((from.height() - itemSize.height())/2);
+    }
+    return centerLocation;
 }
 
 /* Compares if two QRects are equal. */
 bool QAspectRatioLayout::areRectsEqual(const QRect& a,
-                                       const QRect& b) const {
-        bool result = false;
-        if(a.x() == b.x() &&
-           a.y() == b.y() &&
-           a.height() == b.height() &&
-           a.width() == b.width()) {
-                result = true;
-        }
-        return result;
+                                       const QRect& b) const
+{
+    bool result = false;
+    if(a.x() == b.x() &&
+            a.y() == b.y() &&
+            a.height() == b.height() &&
+            a.width() == b.width())
+    {
+        result = true;
+    }
+    return result;
 }