Merge remote-tracking branch 'smbas/feature-color-picking'
Marc Zinnschlag
10 years ago
commit
d5bc561d17
@ -0,0 +1,113 @@
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#include "coloreditor.hpp"
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#include <QApplication>
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#include <QColor>
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#include <QColorDialog>
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#include <QDesktopWidget>
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#include <QPainter>
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#include <QRect>
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#include <QShowEvent>
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#include "colorpickerpopup.hpp"
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CSVWidget::ColorEditor::ColorEditor(const QColor &color, QWidget *parent, bool popupOnStart)
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: QPushButton(parent),
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mColor(color),
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mColorPicker(new ColorPickerPopup(this)),
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mPopupOnStart(popupOnStart)
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{
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setCheckable(true);
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connect(this, SIGNAL(clicked()), this, SLOT(showPicker()));
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connect(mColorPicker, SIGNAL(hid()), this, SLOT(pickerHid()));
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connect(mColorPicker, SIGNAL(colorChanged(const QColor &)), this, SLOT(pickerColorChanged(const QColor &)));
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}
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void CSVWidget::ColorEditor::paintEvent(QPaintEvent *event)
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{
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QPushButton::paintEvent(event);
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QRect buttonRect = rect();
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QRect coloredRect(buttonRect.x() + qRound(buttonRect.width() / 4.0),
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buttonRect.y() + qRound(buttonRect.height() / 4.0),
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buttonRect.width() / 2,
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buttonRect.height() / 2);
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QPainter painter(this);
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painter.fillRect(coloredRect, mColor);
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painter.setPen(Qt::black);
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painter.drawRect(coloredRect);
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}
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void CSVWidget::ColorEditor::showEvent(QShowEvent *event)
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{
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QPushButton::showEvent(event);
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if (isVisible() && mPopupOnStart)
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{
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setChecked(true);
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showPicker();
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mPopupOnStart = false;
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}
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}
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QColor CSVWidget::ColorEditor::color() const
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{
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return mColor;
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}
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void CSVWidget::ColorEditor::setColor(const QColor &color)
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{
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mColor = color;
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update();
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}
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void CSVWidget::ColorEditor::showPicker()
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{
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if (isChecked())
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{
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mColorPicker->showPicker(calculatePopupPosition(), mColor);
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}
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else
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{
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mColorPicker->hide();
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}
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}
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void CSVWidget::ColorEditor::pickerHid()
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{
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setChecked(false);
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emit pickingFinished();
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}
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void CSVWidget::ColorEditor::pickerColorChanged(const QColor &color)
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{
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mColor = color;
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update();
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}
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QPoint CSVWidget::ColorEditor::calculatePopupPosition()
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{
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QRect editorGeometry = geometry();
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QRect popupGeometry = mColorPicker->geometry();
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QRect screenGeometry = QApplication::desktop()->screenGeometry();
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// Center the popup horizontally relative to the editor
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int localPopupX = (editorGeometry.width() - popupGeometry.width()) / 2;
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// Popup position need to be specified in global coords
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QPoint popupPosition = mapToGlobal(QPoint(localPopupX, editorGeometry.height()));
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// Make sure that the popup isn't out of the screen
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if (popupPosition.x() < screenGeometry.left())
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{
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popupPosition.setX(screenGeometry.left() + 1);
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}
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else if (popupPosition.x() + popupGeometry.width() > screenGeometry.right())
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{
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popupPosition.setX(screenGeometry.right() - popupGeometry.width() - 1);
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}
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if (popupPosition.y() + popupGeometry.height() > screenGeometry.bottom())
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{
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// Place the popup above the editor
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popupPosition.setY(popupPosition.y() - popupGeometry.height() - editorGeometry.height() - 1);
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}
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return popupPosition;
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}
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@ -0,0 +1,44 @@
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#ifndef CSV_WIDGET_COLOREDITOR_HPP
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#define CSV_WIDGET_COLOREDITOR_HPP
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#include <QPushButton>
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class QColor;
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class QPoint;
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class QSize;
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namespace CSVWidget
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{
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class ColorPickerPopup;
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class ColorEditor : public QPushButton
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{
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Q_OBJECT
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QColor mColor;
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ColorPickerPopup *mColorPicker;
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bool mPopupOnStart;
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QPoint calculatePopupPosition();
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public:
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ColorEditor(const QColor &color, QWidget *parent = 0, bool popupOnStart = false);
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QColor color() const;
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void setColor(const QColor &color);
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protected:
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virtual void paintEvent(QPaintEvent *event);
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virtual void showEvent(QShowEvent *event);
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private slots:
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void showPicker();
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void pickerHid();
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void pickerColorChanged(const QColor &color);
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signals:
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void pickingFinished();
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};
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}
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#endif
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@ -0,0 +1,86 @@
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#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 <QMouseEvent>
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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 | 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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mColorPicker->open();
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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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mColorPicker->setCurrentColor(initialColor);
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show();
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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 != NULL)
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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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void CSVWidget::ColorPickerPopup::hideEvent(QHideEvent *event)
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{
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QFrame::hideEvent(event);
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emit hid();
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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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@ -0,0 +1,32 @@
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#ifndef CSVWIDGET_COLORPICKERPOPUP_HPP
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#define CSVWIDGET_COLORPICKERPOPUP_HPP
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#include <QFrame>
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class QColorDialog;
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namespace CSVWidget
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{
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class ColorPickerPopup : public QFrame
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{
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Q_OBJECT
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QColorDialog *mColorPicker;
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public:
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explicit ColorPickerPopup(QWidget *parent);
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void showPicker(const QPoint &position, const QColor &initialColor);
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protected:
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virtual void mousePressEvent(QMouseEvent *event);
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virtual void hideEvent(QHideEvent *event);
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virtual bool eventFilter(QObject *object, QEvent *event);
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signals:
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void hid();
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void colorChanged(const QColor &color);
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};
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}
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#endif
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@ -0,0 +1,36 @@
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#include "colordelegate.hpp"
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#include <QPainter>
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#include <QPushButton>
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#include "../widget/coloreditor.hpp"
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CSVWorld::ColorDelegate::ColorDelegate(CSMWorld::CommandDispatcher *dispatcher,
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CSMDoc::Document& document,
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QObject *parent)
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: CommandDelegate(dispatcher, document, parent)
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{}
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void CSVWorld::ColorDelegate::paint(QPainter *painter,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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QRect coloredRect(option.rect.x() + qRound(option.rect.width() / 4.0),
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option.rect.y() + qRound(option.rect.height() / 4.0),
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option.rect.width() / 2,
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option.rect.height() / 2);
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painter->save();
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painter->fillRect(coloredRect, index.data().value<QColor>());
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painter->setPen(Qt::black);
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painter->drawRect(coloredRect);
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painter->restore();
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}
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CSVWorld::CommandDelegate *CSVWorld::ColorDelegateFactory::makeDelegate(CSMWorld::CommandDispatcher *dispatcher,
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CSMDoc::Document &document,
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QObject *parent) const
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{
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return new ColorDelegate(dispatcher, document, parent);
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}
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@ -0,0 +1,37 @@
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#ifndef CSV_WORLD_COLORDELEGATE_HPP
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#define CSV_WORLD_COLORDELEGATE_HPP
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#include "util.hpp"
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class QRect;
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namespace CSVWidget
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{
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class ColorEditButton;
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}
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namespace CSVWorld
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{
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class ColorDelegate : public CommandDelegate
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{
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public:
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ColorDelegate(CSMWorld::CommandDispatcher *dispatcher,
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CSMDoc::Document& document,
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QObject *parent);
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virtual void paint(QPainter *painter,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) const;
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};
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class ColorDelegateFactory : public CommandDelegateFactory
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{
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public:
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virtual CommandDelegate *makeDelegate(CSMWorld::CommandDispatcher *dispatcher,
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CSMDoc::Document &document,
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QObject *parent) const;
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///< The ownership of the returned CommandDelegate is transferred to the caller.
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};
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}
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#endif
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