GlyphPaletteProxyModel Class Reference

The GlyphPaletteProxyModel class. More...

#include <GlyphPaletteProxyModel.h>

Inheritance diagram for GlyphPaletteProxyModel:

Classes
struct	Private

Public Slots
void	emitBlockLabelsChanged ()
	emitBlockLabelsChanged This called "block labels changed" and is should be used when the source KoFontGlyphModel changes, so that the unicode block filter list is updated to the new font.
void	setBlockFilter (int filter)
	setBlockFilter set the unicode block filter.
void	setSearchText (const QString &text)
	setSearchText

Signals
void	blockFilterChanged ()
void	blockLabelsChanged ()
void	searchTextChanged ()

Public Member Functions
int	blockFilter () const
	blockFilter
QVariantList	blockLabels () const
	blockLabels
	GlyphPaletteProxyModel (QObject *parent=nullptr)
QString	searchText () const
	searchText
	~GlyphPaletteProxyModel () override

Protected Member Functions
bool	filterAcceptsRow (int sourceRow, const QModelIndex &sourceParent) const override

Properties
int	blockFilter
QVariantList	blockLabels
QString	searchText

Private Attributes
QScopedPointer< Private >	d

Detailed Description

The GlyphPaletteProxyModel class.

This class is a filter model for the KoFontGlyphModel, which allows it to be used as a character map, allowing filtering on blocks and strings.

Definition at line 20 of file GlyphPaletteProxyModel.h.

Constructor & Destructor Documentation

GlyphPaletteProxyModel()

GlyphPaletteProxyModel::GlyphPaletteProxyModel

(

QObject *

parent = nullptr

)

Definition at line 17 of file GlyphPaletteProxyModel.cpp.

    : QSortFilterProxyModel(parent)
    , d(new Private)
{
 
}

~GlyphPaletteProxyModel()

GlyphPaletteProxyModel::~GlyphPaletteProxyModel ( )

override

Definition at line 24 of file GlyphPaletteProxyModel.cpp.

{
}

Member Function Documentation

blockFilter()

int GlyphPaletteProxyModel::blockFilter

(

)

const

blockFilter

Returns

current blockfilter, value is value in blockLabels.

Definition at line 28 of file GlyphPaletteProxyModel.cpp.

{
    return d->filterIndex;
}

References d.

blockFilterChanged

void GlyphPaletteProxyModel::blockFilterChanged ( )

signal

blockLabels()

QVariantList GlyphPaletteProxyModel::blockLabels

(

)

const

blockLabels

Returns

list of unicode block filter labels, with each entry representing a QVariantMap with a "name" and a "value"

Definition at line 38 of file GlyphPaletteProxyModel.cpp.

{
    QVariantList labels;
 
    KoFontGlyphModel *model = qobject_cast<KoFontGlyphModel*>(sourceModel());
    labels.append(QVariantMap({{"name", i18nc("@title", "All glyphs")}, {"value", 0}}));
    if (model) {
        for (int i=0; i < model->blocks().size(); i++) {
            labels.append(QVariantMap({{"name", model->blocks().at(i).name}, {"value", i+1}}));
        }
    }
    return labels;
}

References KoFontGlyphModel::blocks().

blockLabelsChanged

void GlyphPaletteProxyModel::blockLabelsChanged ( )

signal

emitBlockLabelsChanged

void GlyphPaletteProxyModel::emitBlockLabelsChanged ( )

slot

emitBlockLabelsChanged This called "block labels changed" and is should be used when the source KoFontGlyphModel changes, so that the unicode block filter list is updated to the new font.

Definition at line 95 of file GlyphPaletteProxyModel.cpp.

{
    emit blockLabelsChanged();
}

References blockLabelsChanged().

filterAcceptsRow()

bool GlyphPaletteProxyModel::filterAcceptsRow ( int sourceRow, const QModelIndex & sourceParent ) const

overrideprotected

Definition at line 100 of file GlyphPaletteProxyModel.cpp.

{
    if (sourceParent.isValid()) return true;
    const QModelIndex idx = sourceModel()->index(sourceRow, 0, sourceParent);
    const QString main = sourceModel()->data(idx).toString();
    if (main.isEmpty()) return false;
    const uint firstChar = main.toUcs4().first();
 
    if (!d->searchText.isEmpty()) {
        const QString decomposition = QChar::decomposition(firstChar);
        const uint searchFirst = d->searchText.toUcs4().first();
        return searchFirst == firstChar
                || (!decomposition.isEmpty() && searchFirst == decomposition.toUcs4().first());
    }
    if (d->filterIndex == 0) return true;
 
    return d->block.match(firstChar);
}

References d, and main().

searchText()

QString GlyphPaletteProxyModel::searchText

(

)

const

searchText

Returns

current search text. This is a single unicode codepoint.

Definition at line 33 of file GlyphPaletteProxyModel.cpp.

{
    return d->searchText;
}

References d.

searchTextChanged

void GlyphPaletteProxyModel::searchTextChanged ( )

signal

setBlockFilter

void GlyphPaletteProxyModel::setBlockFilter ( int filter )

slot

setBlockFilter set the unicode block filter.

Parameters

filter

– value from blockLabels();

Definition at line 71 of file GlyphPaletteProxyModel.cpp.

{
    if (d->filterIndex == filter) {
        return;
    }
    if (filter == 0) {
        d->filterIndex = 0;
        d->block = KoUnicodeBlockDataFactory::noBlock();
        emit blockFilterChanged();
        invalidateFilter();
    } else {
        KoFontGlyphModel *model = qobject_cast<KoFontGlyphModel*>(sourceModel());
        if (model) {
            int actualFilter = filter - 1;
            if (actualFilter < model->blocks().size()) {
                d->filterIndex = filter;
                d->block = model->blocks().at(actualFilter);
                emit blockFilterChanged();
                invalidateFilter();
            }
        }
    }
}

References blockFilterChanged(), KoFontGlyphModel::blocks(), d, and KoUnicodeBlockDataFactory::noBlock().

setSearchText

void GlyphPaletteProxyModel::setSearchText ( const QString & text )

slot

setSearchText

Parameters

text	– if the text starts with "U+", the consecutive characters are interpreted as a hex value. Otherwise, the first codepoint of text is searched upon.

Definition at line 52 of file GlyphPaletteProxyModel.cpp.

{
    QString adjustedText = text;
    if (text.startsWith("U+")) {
        bool ok = false;
        const uint code = text.mid(2).toUInt(&ok, 16);
        if (ok) {
            adjustedText = QString::fromUcs4(&code, 1);
        }
    }
    if (!d->searchText.isEmpty() && !adjustedText.isEmpty() && d->searchText.toUcs4().first() == adjustedText.toUcs4().first()) {
        return;
    } else {
        d->searchText = adjustedText.isEmpty()? adjustedText: QString::fromUcs4(&adjustedText.toUcs4().first(), 1);
        emit searchTextChanged();
        invalidateFilter();
    }
}

References d, and searchTextChanged().

Member Data Documentation

d

QScopedPointer<Private> GlyphPaletteProxyModel::d

private

Definition at line 80 of file GlyphPaletteProxyModel.h.

Property Documentation

blockFilter

int GlyphPaletteProxyModel::blockFilter

readwrite

Definition at line 25 of file GlyphPaletteProxyModel.h.

blockLabels

QVariantList GlyphPaletteProxyModel::blockLabels

read

Definition at line 24 of file GlyphPaletteProxyModel.h.

searchText

QString GlyphPaletteProxyModel::searchText

read

Definition at line 26 of file GlyphPaletteProxyModel.h.

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

• plugins/tools/svgtexttool/glyphpalette/GlyphPaletteProxyModel.h
• plugins/tools/svgtexttool/glyphpalette/GlyphPaletteProxyModel.cpp