void ScreenSelector::grabColor()
{
m_selectionRect = m_selectionRect.normalized();
QDesktopWidget* desktop = QApplication::desktop();
int screenNum = desktop->screenNumber(m_selectionRect.topLeft());
QScreen* screen = QGuiApplication::screens()[screenNum];
QPixmap screenGrab = screen->grabWindow(desktop->winId(),
m_selectionRect.x(), m_selectionRect.y(), m_selectionRect.width(), m_selectionRect.height());
QImage image = screenGrab.toImage();
int numPixel = image.width() * image.height();
int sumR = 0;
int sumG = 0;
int sumB = 0;
for (int x = 0; x < image.width(); ++x) {
for (int y = 0; y < image.height(); ++y) {
QColor color = image.pixel(x, y);
sumR += color.red();
sumG += color.green();
sumB += color.blue();
}
}
QColor avgColor(sumR / numPixel, sumG / numPixel, sumB / numPixel);
emit colorPicked(avgColor);
}
ColorPickerItem::ColorPickerItem(QObject* parent)
: QObject(parent)
{
connect(this, SIGNAL(pickColor()), &m_selector, SLOT(startSelection()));
connect(&m_selector, SIGNAL(colorPicked(QColor)), SIGNAL(colorPicked(QColor)));
connect(&m_selector, SIGNAL(cancelled()), SIGNAL(cancelled()));
}
void MColorComboBoxViewPrivate::_q_popupDisappeared()
{
Q_Q(MColorComboBoxView);
q->disconnect(popupWidget(), SIGNAL(disappeared()), q, SLOT(_q_popupDisappeared()));
q->disconnect(colorWidget(), SIGNAL(colorPicked()), q, SLOT(_q_colorPicked()));
}
void MColorComboBoxViewPrivate::_q_popupDisappeared()
{
Q_Q(MColorComboBoxView);
QObject::disconnect(controller, SIGNAL(dismissed()), popupWidget(), SLOT(reject()));
q->disconnect(popupWidget(), SIGNAL(disappeared()), q, SLOT(_q_popupDisappeared()));
q->disconnect(colorWidget(), SIGNAL(colorPicked()), q, SLOT(_q_colorPicked()));
}
void ValueSlider::setColor(const QColor &c)
{
currentColor.setHsv(c.hue(), c.saturation(), c.value());
trianglePoint = QPoint(contentsRect().width()-triangleWidth, ValToY(currentColor.value()));
emit colorPicked(currentColor);
BuildPixMap();
update();
}
void ColorGridView::initContextMenu()
{
menu.addAction(tr("Pick"), this,SLOT(colorPicked()));
menu.addAction(tr("Drop From Wheel"),this,SLOT(colorDroped()));
menu.addAction(tr("Clear"),this,SLOT(colorCleared()));
menu.addAction(tr("Cancel"));
connect(&menu,SIGNAL(aboutToHide()),this,SLOT(repaint()));
}
void MRichTextEditDialogsManager::initTextStylingDialog()
{
selectedFontSize = -1;
selectedFontFamily = QString();
selectedFontColor = QColor();
if (dialogs.textStyles.first) {
return;
}
//% "Text styles"
dialogs.textStyles.first = new MDialog(qtTrId("qtn_comm_text_styles"),M::DoneButton);
dialogs.textStyles.second = false;
QGraphicsWidget *centralWidget = dialogs.textStyles.first->centralWidget();
MLayout *layout = new MLayout(centralWidget);
MLinearLayoutPolicy *policy = new MLinearLayoutPolicy(layout, Qt::Vertical);
// Initialize Font Family combo box
QFontDatabase fontDatabase;
QStringList fontFamilyValues = fontDatabase.families();
// NOTE: black listing some ill-behaving fonts temporarily
fontFamilyValues.removeAll("Webdings");
fontFamilyValues.removeAll("Wingdings");
fontFamilyCombo = new MComboBox(centralWidget);
//% "Font"
fontFamilyCombo->setTitle(qtTrId("qtn_comm_font"));
QStringListModel *fontModel = new QStringListModel(centralWidget);
fontModel->setStringList(fontFamilyValues);
fontFamilyCombo->setItemModel(fontModel);
policy->addItem(fontFamilyCombo);
connect(fontFamilyCombo, SIGNAL(activated(QString)),
this, SLOT(rememberFontFamily(QString)));
// Initialize Font Size combo box
fontSizeCombo = new MComboBox(centralWidget);
//% "Font size"
fontSizeCombo->setTitle(qtTrId("qtn_comm_font_size"));
QStringListModel *sizeModel = new QStringListModel(centralWidget);
fontSizeCombo->setItemModel(sizeModel);
policy->addItem(fontSizeCombo);
connect(fontSizeCombo, SIGNAL(activated(QString)),
this, SLOT(rememberFontSize()));
// Initialize Font Color item
fontColorCombo = new MColorComboBox(centralWidget);
//% "Font color"
fontColorCombo->setTitle(qtTrId("qtn_comm_font_color_combobox"));
policy->addItem(fontColorCombo);
connect(fontColorCombo, SIGNAL(colorPicked(QColor)),
this, SLOT(rememberFontColor(QColor)));
// Selections are applied at pressing button "Done"
connect(dialogs.textStyles.first, SIGNAL(accepted()),
this, SLOT(applySelection()));
}
void MColorComboBoxViewPrivate::_q_showPopup()
{
Q_Q(MColorComboBoxView);
popupWidget()->setTitle(q->model()->title());
colorWidget()->setSelectedColor(q->model()->color());
q->connect(popupWidget(), SIGNAL(disappeared()), q, SLOT(_q_popupDisappeared()));
q->connect(colorWidget(), SIGNAL(colorPicked()), q, SLOT(_q_colorPicked()));
popupWidget()->appear();
}
void ColorPickerPushButton::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e);
QColor newColor = QColorDialog::getColor(_color, NULL, "Choose a color");
if (!newColor.isValid())
return;
setColor(newColor);
emit colorPicked(_color);
}
void ColorPickerScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
QRgb rgb;
try {
rgb = pm.toImage().pixel( event->scenePos().toPoint() );
}
catch (...) {
rgb = QColor(Qt::black).rgb();
}
emit colorPicked(QColor(rgb));
}
void ColorPickerWidget::slotGetAverageColor()
{
disconnect(m_grabRectFrame, SIGNAL(getColor()), this, SLOT(slotGetAverageColor()));
m_grabRect = m_grabRect.normalized();
int numPixel = m_grabRect.width() * m_grabRect.height();
int sumR = 0;
int sumG = 0;
int sumB = 0;
// only show message for larger rects because of the overhead displayMessage creates
if (numPixel > 40000)
emit displayMessage(i18n("Requesting color information..."), 0);
/*
Only getting the image once for the whole rect
results in a vast speed improvement.
*/
#ifdef Q_WS_X11
Window root = RootWindow(QX11Info::display(), QX11Info::appScreen());
m_image = XGetImage(QX11Info::display(), root, m_grabRect.x(), m_grabRect.y(), m_grabRect.width(), m_grabRect.height(), -1, ZPixmap);
#else
QWidget *desktop = QApplication::desktop();
m_image = QPixmap::grabWindow(desktop->winId(), m_grabRect.x(), m_grabRect.y(), m_grabRect.width(), m_grabRect.height()).toImage();
#endif
for (int x = 0; x < m_grabRect.width(); ++x) {
for (int y = 0; y < m_grabRect.height(); ++y) {
QColor color = grabColor(QPoint(x, y), false);
sumR += color.red();
sumG += color.green();
sumB += color.blue();
}
// Warning: slows things down, so don't do it for every pixel (the inner for loop)
if (numPixel > 40000)
emit displayMessage(i18n("Requesting color information..."), (int)(x * m_grabRect.height() / (qreal)numPixel * 100));
}
#ifdef Q_WS_X11
XDestroyImage(m_image);
m_image = NULL;
#endif
if (numPixel > 40000)
emit displayMessage(i18n("Calculated average color for rectangle."), -1);
emit colorPicked(QColor(sumR / numPixel, sumG / numPixel, sumB / numPixel));
emit disableCurrentFilter(false);
}
void CanvasModel::pickColor(int x, int y, int layer, int diameter)
{
QColor color;
if(layer>0) {
const paintcore::Layer *l = m_layerstack->getLayer(layer);
if(layer)
color = l->colorAt(x, y, diameter);
} else {
color = m_layerstack->colorAt(x, y, diameter);
}
if(color.isValid() && color.alpha()>0) {
color.setAlpha(255);
emit colorPicked(color);
}
}
void ColorsIcon::pickColor(QPalette::ColorRole role)
{
// TODO: QColorDialog is bugged. Corrupts alpha when no adjustment occurs.
QColorDialog dlg;
dlg.setOption(QColorDialog::DontUseNativeDialog);
dlg.setOption(QColorDialog::ShowAlphaChannel);
dlg.setCurrentColor(role == QPalette::Foreground ? mPen : mBrush);
dlg.setWindowTitle(role == QPalette::Foreground ?
tr("Select pen color") :
tr("Select brush color"));
// Execute dialog
if(dlg.exec() == QDialog::Accepted) {
// Emit color change
emit colorPicked(role, dlg.currentColor());
}
}
void ValueSlider::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
{
QPoint point = event->pos();
int val = ValFromY(point.y() - contentsRect().y());
if (val < minVal || val > maxVal)
{
return;
}
currentColor.setHsv(currentColor.hue(), currentColor.saturation(), val);
emit colorPicked(currentColor);
emit valuePicked(currentColor.value());
trianglePoint = QPoint(contentsRect().width()-triangleWidth, point.y());
update();
} else {
QFrame::mousePressEvent(event);
}
}
void ColorPickerWidget::mouseReleaseEvent(QMouseEvent *event)
{
if (m_filterActive) {
closeEventFilter();
m_grabRect.setWidth(event->globalX() - m_grabRect.x());
m_grabRect.setHeight(event->globalY() - m_grabRect.y());
if (m_grabRect.width() * m_grabRect.height() == 0) {
m_grabRectFrame->hide();
emit colorPicked(grabColor(event->globalPos()));
emit disableCurrentFilter(false);
} else {
// delay because m_grabRectFrame does not hide immediately
connect(m_grabRectFrame, SIGNAL(getColor()), this, SLOT(slotGetAverageColor()));
m_grabRectFrame->hide();
}
return;
}
QWidget::mouseReleaseEvent(event);
}
/*!
* Constructs a rich text edit with a given \a parent
*/
QwwRichTextEdit::QwwRichTextEdit(QWidget *parent) : QTextEdit(parent){
currentList = 0;
m_options = Style | Alignment | FontFamily | FontSize | Color;
tb = new QToolBar(this);
tb->setIconSize(QSize(24,24));
#ifndef WW_NO_COLORBUTTON
colorButton = new QwwColorButton(this);
colorButton->setShowName(false);
colorButton->setFlat(true);
colorButton->setFocusPolicy(Qt::NoFocus);
m_actions[ColorAction] = tb->addWidget(colorButton);
connect(colorButton, SIGNAL(colorPicked(QColor)), this, SLOT(setColor(QColor)));
#endif
fcb = new QFontComboBox(this);
m_actions[FontFamilyAction] = tb->addWidget(fcb);
connect(fcb, SIGNAL(activated(int)), this, SLOT(setFont_h()));
fsp = new QComboBox(this);
m_actions[FontSizeAction] = tb->addWidget(fsp);
connect(fsp, SIGNAL(activated(const QString &)), this, SLOT(setFont_h()));
foreach(int s, QFontDatabase::standardSizes())
fsp->addItem(QString::number(s));
m_actions[BoldAction] = new QAction(wwWidgets::icon("format-text-bold", QIcon(rsrcPath + "/textbold.png")), tr("Bold"), this);
m_actions[BoldAction]->setCheckable(true);
tb->addAction(m_actions[BoldAction]);
connect(m_actions[BoldAction], SIGNAL(triggered(bool)), this, SLOT(setBold(bool)));
m_actions[ItalicAction] = new QAction(wwWidgets::icon("format-text-italic", QIcon(rsrcPath + "/textitalic.png")), tr("Italic"), this);
m_actions[ItalicAction]->setCheckable(true);
tb->addAction(m_actions[ItalicAction]);
connect(m_actions[ItalicAction], SIGNAL(triggered(bool)), this, SLOT(setItalic(bool)));
m_actions[UnderlineAction] = new QAction(wwWidgets::icon("format-text-underline", QIcon(rsrcPath + "/textunder.png")), tr("Underline"), this);
m_actions[UnderlineAction]->setCheckable(true);
tb->addAction(m_actions[UnderlineAction]);
cB = tb->addSeparator();
connect(m_actions[UnderlineAction], SIGNAL(triggered(bool)), this, SLOT(setUnderline(bool)));
al = new QAction(wwWidgets::icon("format-justify-left", QIcon(rsrcPath + "/textleft.png")), tr("Align left"), this);
ar = new QAction(wwWidgets::icon("format-justify-right", QIcon(rsrcPath + "/textright.png")), tr("Align right"), this);
ac = new QAction(wwWidgets::icon("format-justify-center", QIcon(rsrcPath + "/textcenter.png")), tr("Center"), this);
aj = new QAction(wwWidgets::icon("format-justify-fill", QIcon(rsrcPath + "/textjustify.png")), tr("Justify"), this);
QActionGroup *alignmentGroup = new QActionGroup(this);
al->setCheckable(true);
ar->setCheckable(true);
ac->setCheckable(true);
aj->setCheckable(true);
alignmentGroup->addAction(al);
alignmentGroup->addAction(ar);
alignmentGroup->addAction(ac);
alignmentGroup->addAction(aj);
tb->addAction(al);
tb->addAction(ac);
tb->addAction(ar);
tb->addAction(aj);
tb->addSeparator();
connect(alignmentGroup, SIGNAL(triggered(QAction *)), this, SLOT(changeAlignment(QAction*)));
li = new QAction(wwWidgets::icon("format-list-unordered", QIcon(rsrcPath + "/list-unordered.png")), tr("List"), this);
tb->addAction(li);
li->setCheckable(true);
connect(li, SIGNAL(toggled(bool)), this, SLOT(setList(bool)));
setViewportMargins(0, tb->sizeHint().height()+1, 0, 0);
setContentsMargins(0, tb->sizeHint().height(), 0, 0);
connect(this, SIGNAL(currentCharFormatChanged(const QTextCharFormat &)),
this, SLOT(updateCurrentCharFormat(const QTextCharFormat &)));
connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateCurrentBlockFormat()));
updateCurrentBlockFormat();
updateCurrentCharFormat(textCursor().charFormat());
}
d->layout->addItem(icon);
connect(icon, SIGNAL(selected(GraphicsIcon*)), this, SLOT(selectIcon(GraphicsIcon*)));
}
// Append number icon
NumberIcon* thickness = new NumberIcon(this);
d->layout->addItem(thickness);
connect(thickness, SIGNAL(numberShifted(int)),
this, SLOT(changeThickness(int)));
connect(this, SIGNAL(thicknessChanged(int)),
thickness, SLOT(setNumber(int)));
// Append colors icon
d->colors = new ColorsIcon(this);
d->layout->addItem(d->colors);
connect(d->colors, SIGNAL(colorPicked(QPalette::ColorRole,QColor)),
this, SLOT(changeColor(QPalette::ColorRole,QColor)));
connect(this, SIGNAL(colorChanged(QPalette::ColorRole,QColor)),
d->colors, SLOT(setColor(QPalette::ColorRole,QColor)));
// Connect thickness to color
connect(this, SIGNAL(colorChanged(QPalette::ColorRole,QColor)),
thickness, SLOT(setColor(QPalette::ColorRole,QColor)));
}
Overlay::~Overlay()
{
delete d;
}
Canvas::Tool Overlay::tool()
void ColorGridItem::onColorPicked()
{
emit colorPicked(this->gridId_, this->color_);
}
void ColorPicker::mousePressEvent(QMouseEvent *e)
{
emit colorPicked(m_colorWheelPixmap.toImage().pixel(e->x(), e->y()));
qWarning() << "color" << m_colorWheelPixmap.toImage().pixel(e->x(), e->y()) << "coords" << e->pos();
}
