You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
lxqt-panel-packaging/plugin-colorpicker/colorpicker.cpp

104 lines
2.5 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2012 Razor team
* Authors:
* Aaron Lewis <the.warl0ck.1989@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "colorpicker.h"
#include <QMouseEvent>
#include <QHBoxLayout>
#include <QScreen>
ColorPicker::ColorPicker(const ILXQtPanelPluginStartupInfo &startupInfo) :
QObject(),
ILXQtPanelPlugin(startupInfo)
{
realign();
}
ColorPicker::~ColorPicker()
{
}
void ColorPicker::realign()
{
mWidget.button()->setFixedHeight(panel()->iconSize());
mWidget.button()->setFixedWidth(panel()->iconSize());
mWidget.lineEdit()->setFixedHeight(panel()->iconSize());
}
ColorPickerWidget::ColorPickerWidget(QWidget *parent):
QFrame(parent)
{
QFontMetrics fm (mLineEdit.font());
mLineEdit.setFixedWidth ( 10*fm.width ("a") );
QHBoxLayout *layout = new QHBoxLayout(this);
setLayout(layout);
layout->addWidget (&mButton);
layout->addWidget (&mLineEdit);
mButton.setAutoRaise(true);
mButton.setIcon(XdgIcon::fromTheme("color-picker", "kcolorchooser"));
mCapturing = false;
connect(&mButton, SIGNAL(clicked()), this, SLOT(captureMouse()));
}
ColorPickerWidget::~ColorPickerWidget()
{
}
void ColorPickerWidget::mouseReleaseEvent(QMouseEvent *event)
{
if (!mCapturing)
return;
WId id = QApplication::desktop()->winId();
QPixmap pixmap = qApp->primaryScreen()->grabWindow(id, event->globalX(), event->globalY(), 1, 1);
QImage img = pixmap.toImage();
QColor col = QColor(img.pixel(0,0));
mLineEdit.setText (col.name());
mCapturing = false;
releaseMouse();
}
void ColorPickerWidget::captureMouse()
{
grabMouse(Qt::CrossCursor);
mCapturing = true;
}