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81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
#include "colorpickerpopup.hpp"
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#include <QColorDialog>
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#include <QPushButton>
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#include <QEvent>
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#include <QKeyEvent>
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#include <QLayout>
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#include <QStyleOption>
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CSVWidget::ColorPickerPopup::ColorPickerPopup(QWidget *parent)
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: QFrame(parent)
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{
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setWindowFlags(Qt::Popup);
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setFrameStyle(QFrame::Box | static_cast<int>(QFrame::Plain));
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hide();
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mColorPicker = new QColorDialog(this);
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mColorPicker->setWindowFlags(Qt::Widget);
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mColorPicker->setOptions(QColorDialog::NoButtons | QColorDialog::DontUseNativeDialog);
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mColorPicker->installEventFilter(this);
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connect(mColorPicker,
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SIGNAL(currentColorChanged(const QColor &)),
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this,
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SIGNAL(colorChanged(const QColor &)));
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QVBoxLayout *layout = new QVBoxLayout(this);
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layout->addWidget(mColorPicker);
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layout->setAlignment(Qt::AlignTop | Qt::AlignLeft);
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layout->setContentsMargins(0, 0, 0, 0);
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setLayout(layout);
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setFixedSize(mColorPicker->size());
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}
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void CSVWidget::ColorPickerPopup::showPicker(const QPoint &position, const QColor &initialColor)
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{
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QRect geometry = this->geometry();
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geometry.moveTo(position);
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setGeometry(geometry);
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// Calling getColor() creates a blocking dialog that will continue execution once the user chooses OK or Cancel
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QColor color = mColorPicker->getColor(initialColor);
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if (color.isValid())
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mColorPicker->setCurrentColor(color);
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}
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void CSVWidget::ColorPickerPopup::mousePressEvent(QMouseEvent *event)
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{
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QPushButton *button = qobject_cast<QPushButton *>(parentWidget());
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if (button != nullptr)
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{
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QStyleOptionButton option;
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option.init(button);
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QRect buttonRect = option.rect;
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buttonRect.moveTo(button->mapToGlobal(buttonRect.topLeft()));
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// If the mouse is pressed above the pop-up parent,
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// the pop-up will be hidden and the pressed signal won't be repeated for the parent
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if (buttonRect.contains(event->globalPos()) || buttonRect.contains(event->pos()))
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{
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setAttribute(Qt::WA_NoMouseReplay);
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}
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}
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QFrame::mousePressEvent(event);
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}
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bool CSVWidget::ColorPickerPopup::eventFilter(QObject *object, QEvent *event)
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{
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if (object == mColorPicker && event->type() == QEvent::KeyPress)
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{
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QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
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// Prevent QColorDialog from closing when Escape is pressed.
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// Instead, hide the popup.
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if (keyEvent->key() == Qt::Key_Escape)
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{
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hide();
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return true;
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}
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}
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return QFrame::eventFilter(object, event);
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}
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