QTfrontend/ui/widget/flowlayout.cpp
branchwebgl
changeset 8833 c13ebed437cb
parent 8450 404ddce27b23
parent 8830 343d3f0d6a86
child 8836 7a474fcc343d
--- a/QTfrontend/ui/widget/flowlayout.cpp	Wed Feb 20 02:21:58 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,190 +0,0 @@
- /****************************************************************************
- **
- ** 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 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 <QtGui>
-
- #include "flowlayout.h"
-
-FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)
-    : QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)
-{
-    setContentsMargins(margin, margin, margin, margin);
-}
-
-FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing)
-    : m_hSpace(hSpacing), m_vSpace(vSpacing)
-{
-    setContentsMargins(margin, margin, margin, margin);
-}
-
-FlowLayout::~FlowLayout()
-{
-    QLayoutItem *item;
-    while ((item = takeAt(0)))
-        delete item;
-}
-
-void FlowLayout::addItem(QLayoutItem *item)
-{
-    itemList.append(item);
-}
-
-int FlowLayout::horizontalSpacing() const
-{
-    if (m_hSpace >= 0) {
-        return m_hSpace;
-    } else {
-        return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
-    }
-}
-
-int FlowLayout::verticalSpacing() const
-{
-    if (m_vSpace >= 0) {
-        return m_vSpace;
-    } else {
-        return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
-    }
-}
-
-int FlowLayout::count() const
-{
-    return itemList.size();
-}
-
-QLayoutItem *FlowLayout::itemAt(int index) const
-{
-    return itemList.value(index);
-}
-
-QLayoutItem *FlowLayout::takeAt(int index)
-{
-    if (index >= 0 && index < itemList.size())
-        return itemList.takeAt(index);
-    else
-        return 0;
-}
-
-Qt::Orientations FlowLayout::expandingDirections() const
-{
-    return 0;
-}
-
-bool FlowLayout::hasHeightForWidth() const
-{
-    return true;
-}
-
-int FlowLayout::heightForWidth(int width) const
-{
-    int height = doLayout(QRect(0, 0, width, 0), true);
-    return height;
-}
-
-void FlowLayout::setGeometry(const QRect &rect)
-{
-    QLayout::setGeometry(rect);
-    doLayout(rect, false);
-}
-
-QSize FlowLayout::sizeHint() const
-{
-    return minimumSize();
-}
-
-QSize FlowLayout::minimumSize() const
-{
-    QSize size;
-    QLayoutItem *item;
-    foreach (item, itemList)
-        size = size.expandedTo(item->minimumSize());
-
-    size += QSize(2*margin(), 2*margin());
-    return size;
-}
-
-int FlowLayout::doLayout(const QRect &rect, bool testOnly) const
-{
-    int left, top, right, bottom;
-    getContentsMargins(&left, &top, &right, &bottom);
-    QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
-    int x = effectiveRect.x();
-    int y = effectiveRect.y();
-    int lineHeight = 0;
-
-    QLayoutItem *item;
-    foreach (item, itemList) {
-        QWidget *wid = item->widget();
-        int spaceX = horizontalSpacing();
-        if (spaceX == -1)
-            spaceX = wid->style()->layoutSpacing(
-                QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
-        int spaceY = verticalSpacing();
-        if (spaceY == -1)
-            spaceY = wid->style()->layoutSpacing(
-                QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
-        int nextX = x + item->sizeHint().width() + spaceX;
-        if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
-            x = effectiveRect.x();
-            y = y + lineHeight + spaceY;
-            nextX = x + item->sizeHint().width() + spaceX;
-            lineHeight = 0;
-        }
-
-        if (!testOnly)
-            item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
-
-        x = nextX;
-        lineHeight = qMax(lineHeight, item->sizeHint().height());
-    }
-    return y + lineHeight - rect.y() + bottom;
-}
-int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
-{
-    QObject *parent = this->parent();
-    if (!parent) {
-        return -1;
-    } else if (parent->isWidgetType()) {
-        QWidget *pw = static_cast<QWidget *>(parent);
-        return pw->style()->pixelMetric(pm, 0, pw);
-    } else {
-        return static_cast<QLayout *>(parent)->spacing();
-    }
-}