ColumnResizer Class Reference

The ColumnResizer class provides vertically aligned widgets from diferent layouts. More...

Inheritance diagram for ColumnResizer:

Collaboration diagram for ColumnResizer:

Public Slots
void	updateWidth ()

Public Member Functions
	ColumnResizer (QObject *parent=0)
virtual	~ColumnResizer ()
void	addWidget (QWidget *widget)
void	addWidgetsFromFormLayout (QFormLayout *, QFormLayout::ItemRole role)
void	addWidgetsFromGridLayout (QGridLayout *, int column)
void	addWidgetsFromLayout (QLayout *, int column)
void	dropWidgetsFromGridLayout (QGridLayout *layout)

Protected Member Functions
virtual bool	eventFilter (QObject *, QEvent *event)
void	removeWidget (QWidget *widget)

Private Attributes
ColumnResizerPrivate *const	d

Detailed Description

The ColumnResizer class provides vertically aligned widgets from diferent layouts.

Definition at line 37 of file ColumnResizer.h.

Constructor & Destructor Documentation

ColumnResizer()

ColumnResizer::ColumnResizer

(

QObject *

parent = 0

)

Definition at line 117 of file ColumnResizer.cpp.

                                            : QObject(parent), d(new ColumnResizerPrivate(this))
{
}

~ColumnResizer()

ColumnResizer::~ColumnResizer ( )

virtual

Definition at line 121 of file ColumnResizer.cpp.

{
    delete d;
}

References d.

Member Function Documentation

addWidget()

void ColumnResizer::addWidget

(

QWidget *

widget

)

Definition at line 126 of file ColumnResizer.cpp.

{
    d->m_widgets.append(widget);
    widget->installEventFilter(this);
    d->scheduleWidthUpdate();
}

References d, ColumnResizerPrivate::m_widgets, and ColumnResizerPrivate::scheduleWidthUpdate().

Referenced by addWidgetsFromFormLayout(), and addWidgetsFromGridLayout().

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addWidgetsFromFormLayout()

void ColumnResizer::addWidgetsFromFormLayout	(	QFormLayout *	layout,
		QFormLayout::ItemRole	role
	)

Definition at line 202 of file ColumnResizer.cpp.

{
    for (int row = 0; row < layout->rowCount(); ++row) {
        QLayoutItem* item = layout->itemAt(row, role);
        if (!item) {
            continue;
        }
        QWidget* widget = item->widget();
        if (!widget) {
            continue;
        }
        layout->removeItem(item);
        delete item;
        FormLayoutWidgetItem* newItem = new FormLayoutWidgetItem(widget, layout, role);
        layout->setItem(row, role, newItem);
        addWidget(widget);
        d->m_wrWidgetItemList << newItem;
    }
}

References addWidget(), d, and ColumnResizerPrivate::m_wrWidgetItemList.

Referenced by addWidgetsFromLayout().

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addWidgetsFromGridLayout()

void ColumnResizer::addWidgetsFromGridLayout	(	QGridLayout *	layout,
		int	column
	)

Definition at line 186 of file ColumnResizer.cpp.

{
    for (int row = 0; row < layout->rowCount(); ++row) {
        QLayoutItem* item = layout->itemAtPosition(row, column);
        if (!item) {
            continue;
        }
        QWidget* widget = item->widget();
        if (!widget) {
            continue;
        }
        addWidget(widget);
    }
    d->m_gridColumnInfoList << GridColumnInfo(layout, column);
}

References addWidget(), d, and ColumnResizerPrivate::m_gridColumnInfoList.

Referenced by EnvironmentEditor::EnvironmentEditor(), GISASBeamEditor::GISASBeamEditor(), OffSpecularBeamEditor::OffSpecularBeamEditor(), PolarizationAnalysisEditor::PolarizationAnalysisEditor(), SpecularBeamEditor::SpecularBeamEditor(), and addWidgetsFromLayout().

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addWidgetsFromLayout()

void ColumnResizer::addWidgetsFromLayout	(	QLayout *	layout,
		int	column
	)

Definition at line 166 of file ColumnResizer.cpp.

{
    ASSERT(column >= 0);
    QGridLayout* gridLayout = qobject_cast<QGridLayout*>(layout);
    QFormLayout* formLayout = qobject_cast<QFormLayout*>(layout);
    if (gridLayout) {
        addWidgetsFromGridLayout(gridLayout, column);
    } else if (formLayout) {
        if (column > QFormLayout::SpanningRole) {
            qCritical() << "column should not be more than" << QFormLayout::SpanningRole
                        << "for QFormLayout";
            return;
        }
        QFormLayout::ItemRole role = static_cast<QFormLayout::ItemRole>(column);
        addWidgetsFromFormLayout(formLayout, role);
    } else {
        qCritical() << "Don't know how to handle layout" << layout;
    }
}

References addWidgetsFromFormLayout(), addWidgetsFromGridLayout(), and ASSERT.

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dropWidgetsFromGridLayout()

void ColumnResizer::dropWidgetsFromGridLayout

(

QGridLayout *

layout

)

Definition at line 222 of file ColumnResizer.cpp.

{
    //    d->block_update = true;
    // removing all widgets from being supervised
    for (int row = 0; row < layout->rowCount(); ++row) {
        for (int column = 0; column < layout->columnCount(); ++column) {
            QLayoutItem* item = layout->itemAtPosition(row, column);
            if (!item) {
                continue;
            }
            QWidget* widget = item->widget();
            if (!widget) {
                continue;
            }
            removeWidget(widget);
        }
    }
 
    // removing their layout
    QMutableListIterator<GridColumnInfo> it(d->m_gridColumnInfoList);
    while (it.hasNext()) {
        GridColumnInfo ci = it.next();
        if (ci.first == layout) {
            it.remove();
        }
    }
 
    //    d->block_update = false;
    // d->scheduleWidthUpdate();
}

References d, ColumnResizerPrivate::m_gridColumnInfoList, and removeWidget().

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eventFilter()

bool ColumnResizer::eventFilter ( QObject *  , QEvent *  event  )

protectedvirtual

Definition at line 158 of file ColumnResizer.cpp.

{
    if (event->type() == QEvent::Resize) {
        d->scheduleWidthUpdate();
    }
    return false;
}

References d, and ColumnResizerPrivate::scheduleWidthUpdate().

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removeWidget()

void ColumnResizer::removeWidget ( QWidget *  widget )

protected

Definition at line 150 of file ColumnResizer.cpp.

{
    if (d->m_widgets.contains(widget)) {
        d->m_widgets.removeAll(widget);
        widget->removeEventFilter(this);
    }
}

References d, and ColumnResizerPrivate::m_widgets.

Referenced by dropWidgetsFromGridLayout().

updateWidth

void ColumnResizer::updateWidth ( )

slot

Definition at line 133 of file ColumnResizer.cpp.

{
    if (d->block_update)
        return;
    int width = 0;
    for (auto widget : d->m_widgets) {
        width = qMax(widget->sizeHint().width(), width);
    }
    for (auto item : d->m_wrWidgetItemList) {
        item->setWidth(width);
        item->formLayout()->update();
    }
    for (auto info : d->m_gridColumnInfoList) {
        info.first->setColumnMinimumWidth(info.second, width);
    }
}

References ColumnResizerPrivate::block_update, d, ColumnResizerPrivate::m_gridColumnInfoList, ColumnResizerPrivate::m_widgets, and ColumnResizerPrivate::m_wrWidgetItemList.

Referenced by ColumnResizerPrivate::ColumnResizerPrivate().

Member Data Documentation

d

ColumnResizerPrivate* const ColumnResizer::d

private

Definition at line 58 of file ColumnResizer.h.

Referenced by ~ColumnResizer(), addWidget(), addWidgetsFromFormLayout(), addWidgetsFromGridLayout(), dropWidgetsFromGridLayout(), eventFilter(), removeWidget(), and updateWidth().

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The documentation for this class was generated from the following files:

• /home/www/ba/GUI/coregui/Views/CommonWidgets/ColumnResizer.h
• /home/www/ba/GUI/coregui/Views/CommonWidgets/ColumnResizer.cpp