drinkingtea/nostalgia
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[nostalgia/core/studio] Add 8 bit to 5 bit color conversion optiont to PaletteEditor

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This commit is contained in:
Gary Talent 2020-08-29 17:21:28 -05:00
parent cef8c54515
commit fba4f6a543
1 changed files with 49 additions and 3 deletions
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50
src/nostalgia/core/studio/paletteeditor.cpp
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@ -28,6 +28,51 @@ enum class PaletteEditorCommandId {
};
class ColorChannelValidator: public QValidator {
public:
ColorChannelValidator(QLineEdit *parent);
QValidator::State validate(QString &input, int&) const override;
private:
QString convert(const QString &input) const;
};
ColorChannelValidator::ColorChannelValidator(QLineEdit *parent): QValidator(parent) {
connect(parent, &QLineEdit::editingFinished, [this, parent] {
parent->setText(convert(parent->text()));
});
}
QString ColorChannelValidator::convert(const QString &input) const {
int num = 0;
if (input[0] == '_') {
num = input.mid(1).toInt() >> 3;
}
return QString::number(num);
}
QValidator::State ColorChannelValidator::validate(QString &input, int&) const {
if (input.size() == 0) {
return QValidator::State::Intermediate;
}
const auto convert = input[0] == '_';
const auto max = convert ? 255 : 31;
const auto numTxt = convert ? input.mid(1) : input;
bool isNumber = false;
const auto num = numTxt.toInt(&isNumber);
if (isNumber && num >= 0 && num <= max) {
return QValidator::State::Acceptable;
} else if (numTxt == "") {
return QValidator::State::Intermediate;
} else {
return QValidator::State::Invalid;
}
}
class AddColorCommand: public QUndoCommand {
private:
PaletteEditor *m_editor = nullptr;
@ -149,10 +194,11 @@ class MoveColorCommand: public QUndoCommand {
QWidget *PaletteEditorColorTableDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem&, const QModelIndex &idx) const {
const auto max = idx.column() != 3 ? 31 : 1;
auto le = new QLineEdit(parent);
auto validator = new QIntValidator(0, max, le);
if (idx.column()) {
auto validator = new ColorChannelValidator(le);
le->setValidator(validator);
}
return le;
}