KisResourceItemView Class Reference

The resource view. More...

#include <KisResourceItemView.h>

Inheritance diagram for KisResourceItemView:

Public Types
enum	ViewMode { FIXED_COLUMNS , FIXED_ROWS }

Public Slots
void	slotScrollerStateChange (QScroller::State state)

Signals
void	contextMenuRequested (const QPoint &)
void	currentResourceChanged (const QModelIndex &)
void	currentResourceClicked (const QModelIndex &)
void	sigSizeChanged ()

Public Member Functions
	KisResourceItemView (QWidget *parent=0)

Protected Member Functions
void	contextMenuEvent (QContextMenuEvent *event) override
void	mousePressEvent (QMouseEvent *event) override
void	resizeEvent (QResizeEvent *event) override
void	selectionChanged (const QItemSelection &selected, const QItemSelection &deselected) override
void	setViewMode (ViewMode mode)
void	updateView ()
bool	viewportEvent (QEvent *event) override

Private Slots
void	slotItemClicked (const QModelIndex &index)

Private Attributes
QModelIndex	m_beforeClickIndex
KisIconToolTip	m_tip
ViewMode	m_viewMode

Friends
class	KisResourceItemChooser

Detailed Description

The resource view.

Definition at line 25 of file KisResourceItemView.h.

Member Enumeration Documentation

ViewMode

enum KisResourceItemView::ViewMode

Enumerator
FIXED_COLUMNS
FIXED_ROWS	The number of columns is fixed. The number of rows is fixed

Definition at line 31 of file KisResourceItemView.h.

                  {
        FIXED_COLUMNS,  
        FIXED_ROWS     
    };

Constructor & Destructor Documentation

KisResourceItemView()

KisResourceItemView::KisResourceItemView ( QWidget * parent = 0 )

explicit

Definition at line 20 of file KisResourceItemView.cpp.

    : QTableView(parent)
    , m_tip(this)
{
    setSelectionMode(QAbstractItemView::SingleSelection);
    verticalHeader()->hide();
    horizontalHeader()->hide();
    verticalHeader()->setDefaultSectionSize(20);
    setContextMenuPolicy(Qt::DefaultContextMenu);
    setViewMode(FIXED_COLUMNS);
 
    QScroller *scroller = KisKineticScroller::createPreconfiguredScroller(this);
    if (scroller) {
        connect(scroller, SIGNAL(stateChanged(QScroller::State)), this, SLOT(slotScrollerStateChange(QScroller::State)));
    }
 
    connect(this, SIGNAL(clicked(QModelIndex)), SLOT(slotItemClicked(QModelIndex)));
}

References KisKineticScroller::createPreconfiguredScroller(), FIXED_COLUMNS, setViewMode(), slotItemClicked(), and slotScrollerStateChange().

Member Function Documentation

contextMenuEvent()

void KisResourceItemView::contextMenuEvent ( QContextMenuEvent * event )

overrideprotected

Definition at line 86 of file KisResourceItemView.cpp.

{
    QTableView::contextMenuEvent(event);
    Q_EMIT contextMenuRequested(event->globalPos());
}

References contextMenuRequested().

contextMenuRequested

void KisResourceItemView::contextMenuRequested ( const QPoint & )

signal

currentResourceChanged

void KisResourceItemView::currentResourceChanged ( const QModelIndex & )

signal

currentResourceClicked

void KisResourceItemView::currentResourceClicked ( const QModelIndex & )

signal

mousePressEvent()

void KisResourceItemView::mousePressEvent ( QMouseEvent * event )

overrideprotected

Definition at line 72 of file KisResourceItemView.cpp.

{
    m_beforeClickIndex = currentIndex();
    QTableView::mousePressEvent(event);
}

References m_beforeClickIndex.

resizeEvent()

void KisResourceItemView::resizeEvent ( QResizeEvent * event )

overrideprotected

This will draw a number of rows based on the number of columns if m_viewMode is FIXED_COLUMNS And it will draw a number of columns based on the number of rows if m_viewMode is FIXED_ROWS

Definition at line 92 of file KisResourceItemView.cpp.

{
    QTableView::resizeEvent(event);
    updateView();
    Q_EMIT sigSizeChanged();
}

References sigSizeChanged(), and updateView().

selectionChanged()

void KisResourceItemView::selectionChanged ( const QItemSelection & selected, const QItemSelection & deselected )

overrideprotected

Definition at line 62 of file KisResourceItemView.cpp.

{
    if (selected.isEmpty()) {
        Q_EMIT currentResourceChanged(QModelIndex());
    }
    else {
        Q_EMIT currentResourceChanged(selected.indexes().first());
    }
}

References currentResourceChanged().

setViewMode()

void KisResourceItemView::setViewMode ( ViewMode mode )

protected

Definition at line 99 of file KisResourceItemView.cpp.

{
    m_viewMode = mode;
 
    switch (m_viewMode) {
    case FIXED_COLUMNS:
        setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); // Horizontal scrollbar is never needed
        setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
        break;
    case FIXED_ROWS:
        setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
        setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); // Vertical scrollbar is never needed
        break;
    default:
        setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
        setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
    }
 
}

References FIXED_COLUMNS, FIXED_ROWS, and m_viewMode.

sigSizeChanged

void KisResourceItemView::sigSizeChanged ( )

signal

slotItemClicked

void KisResourceItemView::slotItemClicked ( const QModelIndex & index )

privateslot

Definition at line 78 of file KisResourceItemView.cpp.

{
    if (m_beforeClickIndex == index) {
        Q_EMIT currentResourceClicked(index);
    }
    m_beforeClickIndex = QModelIndex();
}

References currentResourceClicked(), and m_beforeClickIndex.

slotScrollerStateChange

void KisResourceItemView::slotScrollerStateChange ( QScroller::State state )

inlineslot

Definition at line 39 of file KisResourceItemView.h.

{ KisKineticScroller::updateCursor(this, state); }

References KisKineticScroller::updateCursor().

updateView()

void KisResourceItemView::updateView ( )

protected

Definition at line 119 of file KisResourceItemView.cpp.

{
    if (!model()) return;
 
    int columnCount = model()->columnCount(QModelIndex());
    int rowCount = model()->rowCount(QModelIndex());
    int rowHeight, columnWidth;
 
    if (m_viewMode == FIXED_COLUMNS) {
        columnWidth = qFloor(viewport()->size().width() / static_cast<double>(columnCount));
 
        for (int i = 0; i < columnCount; ++i) {
            setColumnWidth(i, columnWidth);
        }
        // keep aspect ratio always square.
        if (columnCount > 1) {
            for (int i = 0; i < rowCount; ++i) {
                setRowHeight(i, columnWidth);
            }
        }
    } else if (m_viewMode == FIXED_ROWS) {
        if (rowCount == 0) return;  // Don't divide by zero
        rowHeight = qFloor(viewport()->size().height() / static_cast<double>(rowCount));
 
        for (int i = 0; i < rowCount; ++i) {
            setRowHeight(i, rowHeight);
        }
    }
}

References FIXED_COLUMNS, FIXED_ROWS, and m_viewMode.

viewportEvent()

bool KisResourceItemView::viewportEvent ( QEvent * event )

overrideprotected

Definition at line 39 of file KisResourceItemView.cpp.

{
    if (!model()) return true;
 
    if (event->type() == QEvent::ToolTip) {
        QHelpEvent *he = static_cast<QHelpEvent *>(event);
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
        QStyleOptionViewItem option = viewOptions();
#else
        QStyleOptionViewItem option;
        initViewItemOption(&option);
#endif
        QModelIndex index = model()->buddy(indexAt(he->pos()));
        if (index.isValid()) {
            option.rect = visualRect(index);
            m_tip.showTip(he->pos(), option, index);
            return true;
        }
    }
 
    return QTableView::viewportEvent(event);
}

References m_tip, and KoItemToolTip::showTip().

Friends And Related Symbol Documentation

KisResourceItemChooser

friend class KisResourceItemChooser

friend

Definition at line 54 of file KisResourceItemView.h.

Member Data Documentation

m_beforeClickIndex

QModelIndex KisResourceItemView::m_beforeClickIndex

private

Definition at line 78 of file KisResourceItemView.h.

m_tip

KisIconToolTip KisResourceItemView::m_tip

private

Definition at line 77 of file KisResourceItemView.h.

m_viewMode

ViewMode KisResourceItemView::m_viewMode

private

Definition at line 79 of file KisResourceItemView.h.

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

• libs/resourcewidgets/KisResourceItemView.h
• libs/resourcewidgets/KisResourceItemView.cpp