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penmodel.cpp
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penmodel.cpp
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#include "penmodel.h"
#include <QDebug>
namespace {
static const std::string &validGlyphs() {
static std::string glyphs("123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
return glyphs;
}
}
PenModel::PenModel(QObject *parent) :
QAbstractTableModel(parent)
{
for (char glyph: validGlyphs()) {
if (!glyphData.contains(glyph)) {
QPen pen;
pen.setJoinStyle(Qt::MiterJoin);
glyphData[glyph] = qMakePair(pen, QBrush(Qt::transparent));
}
}
}
QPair<QPen, QBrush> PenModel::glyphConfig(char glyph) const {
return glyphData.value(glyph);
}
int PenModel::rowCount(const QModelIndex &parent) const {
return parent.isValid() ? 0 : glyphList.size();
}
int PenModel::columnCount(const QModelIndex &parent) const {
return parent.isValid() ? 0 : NumColumns;
}
QVariant PenModel::data(const QModelIndex &index, int role) const {
if (index.isValid() && index.row() < glyphList.size()) {
switch (index.column()) {
case Glyph:
switch (role) {
case Qt::DisplayRole:
return QChar::fromLatin1(glyphList[index.row()]);
case Qt::TextAlignmentRole:
return Qt::AlignCenter;
}
break;
case PenColor:
switch (role) {
case Qt::DecorationRole:
return glyphData[glyphList[index.row()]].first.color();
case Qt::DisplayRole:
case Qt::EditRole:
return glyphData[glyphList[index.row()]].first.color().name(QColor::HexArgb);
}
break;
case BrushColor:
switch (role) {
case Qt::DecorationRole:
return glyphData[glyphList[index.row()]].second.color();
case Qt::DisplayRole:
case Qt::EditRole:
return glyphData[glyphList[index.row()]].second.color().name(QColor::HexArgb);
}
break;
}
}
return QVariant();
}
QVariant PenModel::headerData(int section, Qt::Orientation orientation, int role) const {
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case Glyph:
return tr("Glyph");
case PenColor:
return tr("Pen");
case BrushColor:
return tr("Brush");
}
}
return QVariant();
}
bool PenModel::setData(const QModelIndex &index, const QVariant &value, int role) {
if (index.isValid() && index.row() < glyphList.size()) {
switch (index.column()) {
case PenColor:
switch (role) {
case Qt::EditRole:
QColor c(value.toString());
if (c.isValid()) {
glyphData[glyphList[index.row()]].first.setColor(c);
emit dataChanged(index, index);
return true;
}
}
break;
case BrushColor:
switch (role) {
case Qt::EditRole:
QColor c(value.toString());
if (c.isValid()) {
glyphData[glyphList[index.row()]].second.setColor(c);;
emit dataChanged(index, index);
return true;
}
}
break;
}
}
return false;
}
Qt::ItemFlags PenModel::flags(const QModelIndex &index) const {
Qt::ItemFlags f = QAbstractTableModel::flags(index);
if (index.column() != Glyph)
f |= Qt::ItemIsEditable;
return f;
}
void PenModel::setVisibleGlyphs(QSet<char> glyphs) {
beginResetModel();
QList<char> list;
for (char c: validGlyphs()) {
if (glyphs.contains(c))
list << c;
}
glyphList.swap(list);
endResetModel();
}