279 lines
8.4 KiB
C++
279 lines
8.4 KiB
C++
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#include "EColorComboBox.h"
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#include <QToolTip>
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#include <QPainter>
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#include <QVector>
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#include <QColorDialog>
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namespace pst
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{
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EColorComboBox::EColorComboBox(QWidget* parent) :EComboBox(parent)
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{
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setEditable(false);
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m_colorDialogEnabled = false;
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connect(this, SIGNAL(activated(int)), SLOT(emitActivatedColor(int)));
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connect(this, SIGNAL(highlighted(int)), SLOT(emitHighlightedColor(int)));
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}
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void EColorComboBox::enableColorDialog(bool enabled)
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{
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if (m_colorDialogEnabled == enabled) return;
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if (enabled) addItem(tr("More ..."));
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else removeItem(count() - 1);
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m_colorDialogEnabled = enabled;
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}
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bool EColorComboBox::hasColor(const QColor& color)
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{
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int num = count();
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if (m_colorDialogEnabled) num--;
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for (int i = 0; i < num; i++) if (getColor(i) == color) return true;
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return false;
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}
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void EColorComboBox::appendColor(const QColor& color, const QString& name)
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{
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if (!color.isValid() || hasColor(color)) return;
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// 准备位图
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QPixmap pix(16, 16);
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pix.fill(Qt::transparent);
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QPainter painter(&pix);
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painter.setPen(Qt::gray);
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painter.setBrush(QBrush(color));
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painter.drawRect(1, 1, 13, 13);
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// 添加到列表末尾
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int i = count();
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QString tn = name.isEmpty() ? color.name().toUpper() : name;
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if (!m_showColorName)
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tn = "";
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if (!m_colorDialogEnabled)
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addItem(tn, QVariant(color.name()));
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else
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{
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if (m_showColorName)
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insertItem(--i, tn, QVariant(color.name()));
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else
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insertItem(--i, "", QVariant(color.name()));
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}
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setItemIcon(i, QIcon(pix));
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setCurrentIndex(i);
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}
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void EColorComboBox::appendOtherColor()
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{
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//QColor color=QColorDialog::getColor(Qt::red,this,tr("other"));
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//QColor color=Qt::red;
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QPixmap pix(16, 16);
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pix.fill(Qt::transparent);
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QPainter painter(&pix);
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painter.setPen(Qt::gray);
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QConicalGradient conicalGradient(6, 6, 0);
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conicalGradient.setColorAt(0, QColor(255, 0, 0));
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conicalGradient.setColorAt(0.166, QColor(255, 255, 0));
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conicalGradient.setColorAt(0.333, QColor(0, 255, 0));
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conicalGradient.setColorAt(0.5, QColor(0, 255, 255));
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conicalGradient.setColorAt(0.666, QColor(0, 0, 255));
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conicalGradient.setColorAt(0.833, QColor(255, 0, 255));
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conicalGradient.setColorAt(1, QColor(255, 0, 0));
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painter.setBrush(QBrush(conicalGradient));
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//绘制正方形
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//painter.drawRect(1, 1, 13, 13);
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//绘制圆
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painter.drawEllipse(1, 1, 13, 13);
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int i = count();
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//addItem(tr("other"),3);
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if (m_showColorName)
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insertItem(i, tr("Custom..."), 3);
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else
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insertItem(i, "", 3);
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setItemIcon(i, QIcon(pix));
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//setCurrentIndex(i);
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}
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void EColorComboBox::setShowColorName(bool isShow)
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{
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m_showColorName = isShow;
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}
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// Added by jingzhe tao. 2013/07/25
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void EColorComboBox::updateOtherColor(const QColor& color)
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{
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int i = count() - 1;
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//addItem(tr("other"),3);
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if (m_showColorName)
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{
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setItemText(i, tr("Custom(%1)...").arg(color.name()));
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}
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setItemData(i, color.name());
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if (true)//m_showColorName)
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{
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QPixmap pix(16, 16);
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pix.fill(Qt::transparent);
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QPainter painter(&pix);
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painter.setPen(Qt::gray);
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painter.setBrush(QBrush(color));
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//绘制正方形
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//painter.drawRect(1, 1, 13, 13);
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//绘制圆
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painter.drawEllipse(1, 1, 13, 13);
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setItemIcon(i, QIcon(pix));
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}
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setCurrentIndex(i);
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}
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void EColorComboBox::insertColor(const QColor& color, const QString& name, int index)
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{
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if (!color.isValid() || hasColor(color)) return;
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int num = count();
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if (m_colorDialogEnabled) num--;
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if (index >= 0 && index < num)
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{
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QPixmap pix(18, 18);
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QPainter painter(&pix);
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painter.setPen(Qt::gray);
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painter.setBrush(QBrush(color));
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painter.drawRect(1, 1, 13, 13);
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QString tn = name.isEmpty() ? color.name().toUpper() : name;
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if (!m_showColorName)
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{
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tn = "";
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}
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insertItem(index, tn, QVariant(color.name()));
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setItemIcon(index, QIcon(pix));
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setCurrentIndex(index);
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}
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else
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{
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appendColor(color, name);
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}
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}
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QColor EColorComboBox::currentColor() const
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{
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int index = currentIndex();
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return getColor(index);
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}
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void EColorComboBox::setCurrentColor(const QColor& color)
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{
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bool existed = false;
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for (int i = 0; i < (int)count(); i++)
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{
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if (getColor(i) == color)
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{
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setCurrentIndex(i);
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m_lastActivated = color;
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existed = true;
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break;
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}
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}
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if (!existed) {
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m_lastActivated = color;
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updateOtherColor(color);
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}
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}
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QColor EColorComboBox::getColor(int index) const
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{
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if (m_colorDialogEnabled && index >= count() - 1) return QColor();
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else if (index < 0) return QColor();
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else return QColor(itemData(index).toString());
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}
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void EColorComboBox::emitActivatedColor(int index)
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{
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/* if(m_colorDialogEnabled&&index==count()-1)
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{
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QColor col=QColorDialog::getColor(QColor(255, 255, 255), this);
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if(col.isValid())
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{
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appendColor(col, col.name());
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setCurrentColor(col);
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emit activated(col);
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}
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else
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{
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setCurrentColor(m_lastActivated);
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col=m_lastActivated;
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}
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m_lastActivated=col;
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}
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else
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{
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m_lastActivated=QColor(itemData(index).toString());
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emit activated(m_lastActivated);
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}*/
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if (index == count() - 1) {
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QColor color = QColorDialog::getColor(m_lastActivated, this, tr("Custom Color"));
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if (color.isValid()) {
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this->updateOtherColor(color);
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m_lastActivated = QColor(itemData(index).toString());
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}
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else {
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setCurrentColor(m_lastActivated);
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}
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/*if (color != m_lastActivated)
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this->updateOtherColor(color);*/
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}
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else m_lastActivated = QColor(itemData(index).toString());
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emit activated(m_lastActivated);
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}
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void EColorComboBox::emitHighlightedColor(int index)
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{
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if (!m_colorDialogEnabled || index != count() - 1) emit highlighted(getColor(index));
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}
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QSize EColorComboBox::sizeHint() const
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{
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QFontMetrics fm(font());
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return QSize(fm.horizontalAdvance(tr("#RRGGBB")) + 16 + 4 + 20, fm.height() + 4);
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//return QSize(fm.width(tr("#RRGGBB")) + 16 + 4 + 20, fm.height() + 4);
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}
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void EColorComboBox::appendPredefinedColors()
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{
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appendColor(Qt::black, tr("Black"));
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appendColor(Qt::darkBlue, tr("Dark blue"));
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appendColor(Qt::darkGreen, tr("Dark green"));
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appendColor(Qt::darkCyan, tr("Dark cyan"));
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appendColor(Qt::darkRed, tr("Dark red"));
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appendColor(Qt::darkMagenta, tr("Dark magenta"));
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appendColor(Qt::darkYellow, tr("Dark yellow"));
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appendColor(Qt::darkGray, tr("Dark gray"));
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appendColor(Qt::gray, tr("Gray"));
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appendColor(Qt::blue, tr("Blue"));
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appendColor(Qt::green, tr("Green"));
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appendColor(Qt::cyan, tr("Cyan"));
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appendColor(Qt::red, tr("Red"));
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appendColor(Qt::magenta, tr("Magenta"));
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appendColor(Qt::yellow, tr("Yellow"));
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appendColor(Qt::white, tr("White"));
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this->appendOtherColor();
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}
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void EColorComboBox::appendBackgroundColors()
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{
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appendColor(Qt::black, tr("Black"));
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appendColor(Qt::gray, tr("Gray"));
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appendColor(Qt::white, tr("White"));
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this->appendOtherColor();
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}
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void EColorComboBox::clearAllColors()
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{
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clear();
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if (m_colorDialogEnabled) addItem(tr("More ..."));
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}
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bool EColorComboBox::colorDialogEnabled() const
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{
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return m_colorDialogEnabled;
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}
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}
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