Skycoder42
7 years ago
16 changed files with 382 additions and 3 deletions
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#include "coloredit_p.h" |
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#include <QtWidgets/QLineEdit> |
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#include <QtWidgets/QHBoxLayout> |
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#include <QtWidgets/QStylePainter> |
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#include <QtWidgets/QStyleOptionFrame> |
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#include <QtMvvmCore/Messages> |
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using namespace QtMvvm; |
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ColorEdit::ColorEdit(QWidget *parent) : |
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QWidget{parent}, |
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_btn{new ColorButton{this}}, |
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_edit{new QLineEdit{this}}, |
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_validator{new QRegularExpressionValidator{this}} |
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{ |
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auto layout = new QHBoxLayout{this}; |
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layout->addWidget(_btn); |
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layout->addWidget(_edit); |
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layout->addStretch(1); |
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layout->setStretch(0, 0); |
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layout->setStretch(1, 0); |
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layout->setContentsMargins({0,0,0,0}); |
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setLayout(layout); |
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_edit->setValidator(_validator); |
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connect(_edit, &QLineEdit::textEdited, |
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this, &ColorEdit::updateColor); |
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connect(_edit, &QLineEdit::editingFinished, |
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this, [this](){ |
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_edit->setText(_color.name(_alpha ? QColor::HexArgb : QColor::HexRgb)); |
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}); |
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connect(_btn, &ColorButton::clicked, |
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this, &ColorEdit::showDialog); |
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setAlpha(false); |
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setColor(palette().color(QPalette::Highlight)); |
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} |
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QColor ColorEdit::color() const |
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{ |
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return _color; |
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} |
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bool ColorEdit::useAlpha() const |
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{ |
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return _alpha; |
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} |
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void ColorEdit::setColor(QColor color) |
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{ |
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if (_color == color) |
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return; |
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_color = std::move(color); |
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_btn->setColor(_color); |
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if(!_skipEditUpdate) |
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_edit->setText(_color.name(_alpha ? QColor::HexArgb : QColor::HexRgb)); |
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emit colorChanged(_color); |
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} |
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void ColorEdit::setAlpha(bool alpha) |
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{ |
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if (_alpha == alpha) |
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return; |
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_alpha = alpha; |
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_validator->setRegularExpression(QRegularExpression{ |
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QStringLiteral(R"__(^#(?:[0-9a-f]{%1}){1,2}$)__").arg(_alpha ? 4 : 3), |
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QRegularExpression::CaseInsensitiveOption | QRegularExpression::DontCaptureOption |
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}); |
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_edit->setMaxLength(_alpha ? 9 : 7); |
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_edit->setText(_color.name(_alpha ? QColor::HexArgb : QColor::HexRgb)); |
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emit alphaChanged(_alpha); |
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} |
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|
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void ColorEdit::showDialog() |
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{ |
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QtMvvm::getColor(this, [this](const QColor &color) { |
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if(color.isValid()) |
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setColor(color); |
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}, tr("Select a color"), _color, _alpha); |
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} |
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void ColorEdit::updateColor(const QString &text) |
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{ |
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if(_edit->hasAcceptableInput()) { |
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QColor color{text}; |
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if(color.isValid()) { |
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_skipEditUpdate = true; |
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setColor(color); |
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_skipEditUpdate = false; |
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} |
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} |
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} |
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ColorButton::ColorButton(QWidget *parent) : |
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QAbstractButton{parent} |
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{ |
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setSizePolicy({QSizePolicy::Expanding, QSizePolicy::Preferred}); |
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} |
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QColor ColorButton::color() const |
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{ |
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return _color; |
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} |
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QSize ColorButton::sizeHint() const |
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{ |
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return {50, 25}; |
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} |
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void ColorButton::setColor(QColor color) |
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{ |
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_color = color; |
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repaint(); |
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} |
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void ColorButton::paintEvent(QPaintEvent *) |
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{ |
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QStylePainter painter{this}; |
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painter.fillRect(painter.window(), _color); |
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QStyleOptionFrame option; |
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option.initFrom(this); |
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option.frameShape = QFrame::Panel; |
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option.lineWidth = 2; |
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option.midLineWidth = 2; |
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if(isDown()) |
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option.state |= QStyle::State_Sunken; |
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else |
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option.state |= QStyle::State_Raised; |
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painter.drawControl(QStyle::CE_ShapedFrame, option); |
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} |
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@ -0,0 +1,74 @@ |
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#ifndef COLOREDIT_P_H |
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#define COLOREDIT_P_H |
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#include <QtGui/QColor> |
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#include <QtGui/QRegularExpressionValidator> |
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#include <QtWidgets/QWidget> |
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#include <QtWidgets/QAbstractButton> |
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#include <QtWidgets/QLineEdit> |
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#include "qtmvvmwidgets_global.h" |
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namespace QtMvvm { |
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class ColorButton : public QAbstractButton |
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{ |
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Q_OBJECT |
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Q_PROPERTY(QColor color READ color WRITE setColor) |
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public: |
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explicit ColorButton(QWidget *parent = nullptr); |
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QColor color() const; |
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QSize sizeHint() const override; |
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public Q_SLOTS: |
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void setColor(QColor color); |
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protected: |
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void paintEvent(QPaintEvent *event) override; |
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private: |
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QColor _color; |
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}; |
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class ColorEdit : public QWidget |
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{ |
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Q_OBJECT |
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Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged USER true) |
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Q_PROPERTY(bool alpha READ useAlpha WRITE setAlpha NOTIFY alphaChanged) |
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public: |
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explicit ColorEdit(QWidget *parent = nullptr); |
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QColor color() const; |
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bool useAlpha() const; |
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public Q_SLOTS: |
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void setColor(QColor color); |
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void setAlpha(bool alpha); |
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Q_SIGNALS: |
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void colorChanged(const QColor &color); |
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void alphaChanged(bool alpha); |
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private Q_SLOTS: |
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void showDialog(); |
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void updateColor(const QString &text); |
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private: |
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QColor _color; |
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bool _alpha = true; //in order to be set to false in the constructor
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ColorButton *_btn; |
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QLineEdit *_edit; |
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QRegularExpressionValidator *_validator; |
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bool _skipEditUpdate = false; |
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}; |
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} |
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#endif // COLOREDIT_P_H
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