KisLayerFilterWidget Class Reference

#include <kis_layer_filter_widget.h>

Inheritance diagram for KisLayerFilterWidget:

Signals
void	filteringOptionsChanged ()

Public Member Functions
QSet< int >	getActiveColors () const
int	getDesiredMinimumHeight () const
int	getDesiredMinimumWidth () const
QString	getTextFilter () const
bool	hasTextFilter () const
bool	isCurrentlyFiltering () const
	KisLayerFilterWidget (QWidget *parent=nullptr)
void	reset ()
void	showEvent (QShowEvent *show) override
QSize	sizeHint () const override
void	updateColorLabels (KisNodeSP root)

Static Public Member Functions
static void	scanUsedColorLabels (KisNodeSP node, QSet< int > &colorLabels)

Private Attributes
class KisColorLabelMouseDragFilter *	buttonEventFilter
class KisColorLabelFilterGroup *	buttonGroup
class QPushButton *	resetButton
class QLineEdit *	textFilter

Detailed Description

Definition at line 17 of file kis_layer_filter_widget.h.

Constructor & Destructor Documentation

KisLayerFilterWidget()

KisLayerFilterWidget::KisLayerFilterWidget

(

QWidget *

parent = nullptr

)

Definition at line 36 of file kis_layer_filter_widget.cpp.

                                                          : QWidget(parent)
{
    QVBoxLayout *layout = new QVBoxLayout(this);
    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 
    textFilter = new KisPopupSelfActivatingLineEdit(this);
    textFilter->setPlaceholderText(i18n("Filter by name..."));
    textFilter->setMinimumWidth(200);
    textFilter->setMinimumHeight(28);
    textFilter->setClearButtonEnabled(true);
 
    connect(textFilter, SIGNAL(textChanged(QString)), this, SIGNAL(filteringOptionsChanged()));
    connect(textFilter, &QLineEdit::returnPressed, [this]() {
        QMenu* menu = dynamic_cast<QMenu*>(parentWidget());
        if (menu) {
            menu->close();
        }
    });
 
    KisNodeViewColorScheme colorScheme;
 
    QWidget* buttonContainer = new QWidget(this);
    MouseClickIgnore* mouseEater = new MouseClickIgnore(this);
    buttonContainer->setToolTip(i18n("Filter by color label..."));
    buttonContainer->installEventFilter(mouseEater);
    buttonEventFilter = new KisColorLabelMouseDragFilter(buttonContainer);
    {
        QHBoxLayout *subLayout = new QHBoxLayout(buttonContainer);
        subLayout->setContentsMargins(0,0,0,0);
        subLayout->setSpacing(2);
        subLayout->setAlignment(Qt::AlignLeft);
        buttonGroup = new KisColorLabelFilterGroup(buttonContainer);
        buttonGroup->setExclusive(false);
        QVector<QColor> colors = colorScheme.allColorLabels();
 
        for (int id = 0; id < colors.count(); id++) {
            KisColorLabelButton* btn = new KisColorLabelButton(colors[id], 22, buttonContainer);
            buttonGroup->addButton(btn, id);
            btn->installEventFilter(buttonEventFilter);
            subLayout->addWidget(btn);
        }
 
        connect(buttonGroup, SIGNAL(idToggled(int,bool)), this, SIGNAL(filteringOptionsChanged()));
    }
 
    resetButton = new QPushButton(i18n("Reset Filters"), this);
    resetButton->setMinimumHeight(28);
    connect(resetButton, &QPushButton::clicked, [this](){
       this->reset();
    });
 
 
    layout->addWidget(textFilter);
    layout->addWidget(buttonContainer);
    layout->addWidget(resetButton);
}

References buttonEventFilter, buttonGroup, connect(), filteringOptionsChanged(), reset(), resetButton, and textFilter.

Member Function Documentation

filteringOptionsChanged

void KisLayerFilterWidget::filteringOptionsChanged ( )

signal

getActiveColors()

QSet< int > KisLayerFilterWidget::getActiveColors

(

)

const

Definition at line 127 of file kis_layer_filter_widget.cpp.

{
    QSet<int> activeColors = buttonGroup->getActiveLabels();
 
    return activeColors;
}

References buttonGroup, and KisColorLabelFilterGroup::getActiveLabels().

getDesiredMinimumHeight()

int KisLayerFilterWidget::getDesiredMinimumHeight

(

)

const

Definition at line 143 of file kis_layer_filter_widget.cpp.

                                                        {
    QList<QAbstractButton*> viableButtons = buttonGroup->viableButtons();
    if (viableButtons.count() > 1) {
        return viableButtons[0]->sizeHint().height() + textFilter->minimumHeight() + resetButton->minimumHeight();
    } else {
        return textFilter->minimumHeight() + resetButton->minimumHeight();
    }
}

References buttonGroup, resetButton, textFilter, and KisColorLabelFilterGroup::viableButtons().

getDesiredMinimumWidth()

int KisLayerFilterWidget::getDesiredMinimumWidth

(

)

const

Definition at line 139 of file kis_layer_filter_widget.cpp.

                                                       {
    return qMax(textFilter->minimumWidth(), buttonGroup->countViableButtons() * 32);
}

References buttonGroup, KisColorLabelFilterGroup::countViableButtons(), and textFilter.

getTextFilter()

QString KisLayerFilterWidget::getTextFilter

(

)

const

Definition at line 134 of file kis_layer_filter_widget.cpp.

{
    return textFilter->text();
}

References textFilter.

hasTextFilter()

bool KisLayerFilterWidget::hasTextFilter

(

)

const

Definition at line 122 of file kis_layer_filter_widget.cpp.

{
    return !textFilter->text().isEmpty();
}

References textFilter.

isCurrentlyFiltering()

bool KisLayerFilterWidget::isCurrentlyFiltering

(

)

const

Definition at line 114 of file kis_layer_filter_widget.cpp.

{
    const bool isFilteringText = hasTextFilter();
    const bool isFilteringColors = buttonGroup->getActiveLabels().count() > 0;
 
    return isFilteringText || isFilteringColors;
}

References buttonGroup, KisColorLabelFilterGroup::getActiveLabels(), and hasTextFilter().

reset()

void KisLayerFilterWidget::reset

(

)

Definition at line 152 of file kis_layer_filter_widget.cpp.

{
    textFilter->clear();
    buttonGroup->reset();
    filteringOptionsChanged();
}

References buttonGroup, filteringOptionsChanged(), KisColorLabelFilterGroup::reset(), and textFilter.

scanUsedColorLabels()

void KisLayerFilterWidget::scanUsedColorLabels ( KisNodeSP node, QSet< int > & colorLabels )

static

Definition at line 93 of file kis_layer_filter_widget.cpp.

{
    if (node->parent()) {
        colorLabels.insert(node->colorLabelIndex());
    }
 
    KisNodeSP child = node->firstChild();
    while(child) {
        scanUsedColorLabels(child, colorLabels);
        child = child->nextSibling();
    }
}

References KisBaseNode::colorLabelIndex(), KisNode::firstChild(), KisNode::nextSibling(), KisNode::parent, and scanUsedColorLabels().

showEvent()

void KisLayerFilterWidget::showEvent ( QShowEvent * show )

override

Definition at line 164 of file kis_layer_filter_widget.cpp.

{
    QMenu *parentMenu = dynamic_cast<QMenu*>(parentWidget());
 
    if (parentMenu) {
        const int widthBefore = parentMenu->width();
        const int rightEdgeThreshold = 5;
 
        //Fake resize event needs to be made to register change in widget menu size.
        //Not doing this will cause QMenu to not resize properly!
        resize(sizeHint());
 
        adjustSize();
        QResizeEvent event = QResizeEvent(sizeHint(), parentMenu->size());
 
        parentMenu->resize(sizeHint());
        parentMenu->adjustSize();
        qApp->sendEvent(parentMenu, &event);
        QScreen *screen = QGuiApplication::screenAt(parentMenu->mapToGlobal(parentMenu->pos()));
        QRect screenGeometry = screen ? screen->geometry() : parentMenu->parentWidget()->window()->geometry();
        const bool onRightEdge = (parentMenu->pos().x() + widthBefore + rightEdgeThreshold) >  screenGeometry.width();
        const int widthAfter = parentMenu->width();
 
 
        if (onRightEdge) {
            if (widthAfter > widthBefore) {
                const QRect newGeo = kisEnsureInRect( parentMenu->geometry(), screenGeometry );
                const int xShift = newGeo.x() - parentMenu->pos().x();
                parentMenu->move(parentMenu->pos().x() + xShift, parentMenu->pos().y() + 0);
            } else {
                const int xShift = widthBefore - widthAfter;
                parentMenu->move(parentMenu->pos().x() + xShift, parentMenu->pos().y() + 0);
            }
        }
    }
    QWidget::showEvent(show);
}

References kisEnsureInRect(), and sizeHint().

sizeHint()

QSize KisLayerFilterWidget::sizeHint ( ) const

override

Definition at line 159 of file kis_layer_filter_widget.cpp.

{
    return QSize(getDesiredMinimumWidth(), getDesiredMinimumHeight());
}

References getDesiredMinimumHeight(), and getDesiredMinimumWidth().

updateColorLabels()

void KisLayerFilterWidget::updateColorLabels

(

KisNodeSP

root

)

Definition at line 106 of file kis_layer_filter_widget.cpp.

{
    QSet<int> colorLabels;
 
    scanUsedColorLabels(root, colorLabels);
    buttonGroup->setViableLabels(colorLabels);
}

References buttonGroup, scanUsedColorLabels(), and KisColorLabelFilterGroup::setViableLabels().

Member Data Documentation

buttonEventFilter

class KisColorLabelMouseDragFilter* KisLayerFilterWidget::buttonEventFilter

private

Definition at line 21 of file kis_layer_filter_widget.h.

buttonGroup

class KisColorLabelFilterGroup* KisLayerFilterWidget::buttonGroup

private

Definition at line 23 of file kis_layer_filter_widget.h.

resetButton

class QPushButton* KisLayerFilterWidget::resetButton

private

Definition at line 24 of file kis_layer_filter_widget.h.

textFilter

class QLineEdit* KisLayerFilterWidget::textFilter

private

Definition at line 22 of file kis_layer_filter_widget.h.

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

• libs/ui/widgets/kis_layer_filter_widget.h
• libs/ui/widgets/kis_layer_filter_widget.cpp