playing around with qt to find the correct ui approach
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commit
0ea4430252
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#include "editorelement.h"
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#include <QBoxLayout>
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EditorElement::EditorElement(QWidget *parent) : QWidget(parent)
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{
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this->layout = new QBoxLayout(QBoxLayout::TopToBottom, this);
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this->setLayout(layout);
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label = new QLabel(this);
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hint = new QLabel(this);
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edit = new QLineEdit(this);
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layout->addWidget(label);
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layout->addWidget(hint);
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layout->addWidget(edit);
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label->setText("test");
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hint->setText("another test");
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edit->setText("content test");
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}
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EditorElement::~EditorElement()
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{
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}
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#ifndef EDITORELEMENT_H
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#define EDITORELEMENT_H
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#include <QBoxLayout>
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#include <QObject>
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#include <QWidget>
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#include <QtGui>
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#include <QLineEdit>
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#include <QLabel>
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class EditorElement : public QWidget
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{
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Q_OBJECT
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public:
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explicit EditorElement(QWidget *parent = 0);
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~EditorElement();
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private:
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QBoxLayout*layout;
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QLabel * label;
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QLabel * hint;
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QLineEdit* edit;
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signals:
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public slots:
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};
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#endif // EDITORELEMENT_H
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#include <QtWidgets>
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#include "flowlayout.h"
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FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)
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: QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)
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{
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setContentsMargins(margin, margin, margin, margin);
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}
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FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing)
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: m_hSpace(hSpacing), m_vSpace(vSpacing)
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{
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setContentsMargins(margin, margin, margin, margin);
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}
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FlowLayout::~FlowLayout()
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{
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QLayoutItem *item;
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while ((item = takeAt(0)))
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delete item;
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}
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void FlowLayout::addItem(QLayoutItem *item)
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{
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itemList.append(item);
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}
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int FlowLayout::horizontalSpacing() const
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{
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if (m_hSpace >= 0) {
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return m_hSpace;
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} else {
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return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
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}
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}
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int FlowLayout::verticalSpacing() const
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{
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if (m_vSpace >= 0) {
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return m_vSpace;
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} else {
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return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
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}
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}
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int FlowLayout::count() const
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{
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return itemList.size();
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}
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QLayoutItem *FlowLayout::itemAt(int index) const
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{
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return itemList.value(index);
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}
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QLayoutItem *FlowLayout::takeAt(int index)
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{
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if (index >= 0 && index < itemList.size())
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return itemList.takeAt(index);
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else
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return 0;
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}
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Qt::Orientations FlowLayout::expandingDirections() const
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{
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return 0;
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}
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bool FlowLayout::hasHeightForWidth() const
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{
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return true;
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}
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int FlowLayout::heightForWidth(int width) const
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{
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int height = doLayout(QRect(0, 0, width, 0), true);
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return height;
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}
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void FlowLayout::setGeometry(const QRect &rect)
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{
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QLayout::setGeometry(rect);
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doLayout(rect, false);
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}
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QSize FlowLayout::sizeHint() const
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{
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return minimumSize();
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}
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QSize FlowLayout::minimumSize() const
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{
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QSize size;
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QLayoutItem *item;
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foreach (item, itemList)
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size = size.expandedTo(item->minimumSize());
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size += QSize(2*margin(), 2*margin());
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return size;
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}
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int FlowLayout::doLayout(const QRect &rect, bool testOnly) const
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{
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int left, top, right, bottom;
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getContentsMargins(&left, &top, &right, &bottom);
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QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
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int x = effectiveRect.x();
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int y = effectiveRect.y();
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int lineHeight = 0;
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QLayoutItem *item;
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foreach (item, itemList) {
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QWidget *wid = item->widget();
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int spaceX = horizontalSpacing();
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if (spaceX == -1)
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spaceX = wid->style()->layoutSpacing(
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QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
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int spaceY = verticalSpacing();
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if (spaceY == -1)
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spaceY = wid->style()->layoutSpacing(
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QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
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int nextX = x + item->sizeHint().width() + spaceX;
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if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
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x = effectiveRect.x();
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y = y + lineHeight + spaceY;
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nextX = x + item->sizeHint().width() + spaceX;
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lineHeight = 0;
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}
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if (!testOnly)
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item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
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x = nextX;
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lineHeight = qMax(lineHeight, item->sizeHint().height());
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}
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return y + lineHeight - rect.y() + bottom;
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}
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int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
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{
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QObject *parent = this->parent();
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if (!parent) {
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return -1;
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} else if (parent->isWidgetType()) {
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QWidget *pw = static_cast<QWidget *>(parent);
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return pw->style()->pixelMetric(pm, 0, pw);
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} else {
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return static_cast<QLayout *>(parent)->spacing();
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}
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}
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#ifndef FLOWLAYOUT_H
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#define FLOWLAYOUT_H
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#include <QLayout>
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#include <QRect>
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#include <QStyle>
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class FlowLayout : public QLayout
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{
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public:
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explicit FlowLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
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explicit FlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
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~FlowLayout();
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void addItem(QLayoutItem *item) Q_DECL_OVERRIDE;
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int horizontalSpacing() const;
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int verticalSpacing() const;
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Qt::Orientations expandingDirections() const Q_DECL_OVERRIDE;
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bool hasHeightForWidth() const Q_DECL_OVERRIDE;
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int heightForWidth(int) const Q_DECL_OVERRIDE;
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int count() const Q_DECL_OVERRIDE;
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QLayoutItem *itemAt(int index) const Q_DECL_OVERRIDE;
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QSize minimumSize() const Q_DECL_OVERRIDE;
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void setGeometry(const QRect &rect) Q_DECL_OVERRIDE;
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QSize sizeHint() const Q_DECL_OVERRIDE;
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QLayoutItem *takeAt(int index) Q_DECL_OVERRIDE;
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private:
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int doLayout(const QRect &rect, bool testOnly) const;
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int smartSpacing(QStyle::PixelMetric pm) const;
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QList<QLayoutItem *> itemList;
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int m_hSpace;
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int m_vSpace;
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};
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#endif // FLOWLAYOUT_H
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#include "mainwindow.h"
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#include <QApplication>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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MainWindow w;
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w.show();
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return a.exec();
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}
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#include "mainwindow.h"
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#include "../QtGuidedEditor/qgewidget.h"
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#include "flowlayout.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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{
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list = new QList<EditorElement*>();
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editor = new QWidget(this);
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centralLayout = new FlowLayout(editor);
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editor->setLayout(centralLayout);
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centralLayout->addWidget(new EditorElement(this));
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centralLayout->addWidget(new EditorElement(this));
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this->setCentralWidget(editor);
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QString style = QString(
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"QWidget {border: 2px dashed black;"
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"border-radius: 5px;"
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"background: gray }"
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);
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editor->setStyleSheet(style);
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}
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MainWindow::~MainWindow()
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{
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}
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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QMainWindow>
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#include <QList>
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#include "editorelement.h"
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#include "flowlayout.h"
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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private:
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FlowLayout* centralLayout;
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QWidget* editor;
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QList<EditorElement*>* list;
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public:
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MainWindow(QWidget *parent = 0);
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~MainWindow();
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};
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#endif // MAINWINDOW_H
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#-------------------------------------------------
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#
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# Project created by QtCreator 2015-01-06T11:56:33
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#
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#-------------------------------------------------
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QT += core gui
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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TARGET = networkpacketcomposer
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TEMPLATE = app
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SOURCES += main.cpp\
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mainwindow.cpp \
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editorelement.cpp \
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flowlayout.cpp
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HEADERS += mainwindow.h \
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editorelement.h \
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flowlayout.h
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INCLUDEPATH += $$PWD/../QtGuidedEditor
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DEPENDPATH += $$PWD/../QtGuidedEditor
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