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Viewing changes to apps/opencs/view/widget/colorpickerpopup.cpp

  • Committer: Scott Howard
  • Date: 2015-11-27 08:01:08 UTC
  • Revision ID: showard@debian.org-20151127080108-vby93jqgdvxj8d6d
Cron update. Git hash: 37c8fea

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apps/opencs/view/widget/colorpickerpopup.cpp
 
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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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}