--- a/QTfrontend/ui/widget/flowlayout.cpp Fri Feb 08 21:22:11 2013 -0500
+++ /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();
- }
-}