+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2010 by Till Theato (root@ttill.de) *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program 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 General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
- ***************************************************************************/
-
-
-#ifndef COLORPICKERWIDGET_H
-#define COLORPICKERWIDGET_H
-
-#include <QtCore>
-#include <QWidget>
-#include <QFrame>
-
-class QFrame;
-#ifdef Q_WS_X11
-#include <X11/Xlib.h>
-#endif
-
-
-class MyFrame : public QFrame
-{
- Q_OBJECT
-public:
- explicit MyFrame(QWidget* parent = 0);
-
-protected:
- void hideEvent ( QHideEvent * event );
-
-signals:
- void getColor();
-};
-
-/**
- * @class ColorPickerWidget
- * @brief A widget to pick a color anywhere on the screen.
- * @author Till Theato
- *
- * The code is partially based on the color picker in KColorDialog.
- */
-
-class ColorPickerWidget : public QWidget
-{
- Q_OBJECT
-
-public:
- /** @brief Sets up the widget. */
- explicit ColorPickerWidget(QWidget *parent = 0);
- /** @brief Makes sure the event filter is removed. */
- virtual ~ColorPickerWidget();
-
-protected:
- void mousePressEvent(QMouseEvent *event);
- void mouseReleaseEvent(QMouseEvent *event);
- void mouseMoveEvent(QMouseEvent *event);
- bool eventFilter(QObject *object, QEvent *event);
-
-private:
- /** @brief Closes the event filter and makes mouse and keyboard work again on other widgets/windows. */
- void closeEventFilter();
-
- /** @brief Color of the screen at point @param p.
- * @param p Position of color requested
- * @param destroyImage (optional) Whether or not to keep the XImage in m_image
- (needed for fast processing of rects) */
- QColor grabColor(const QPoint &p, bool destroyImage = true);
-
- bool m_filterActive;
- QRect m_grabRect;
- QFrame *m_grabRectFrame;
-#ifdef Q_WS_X11
- XImage *m_image;
-#else
- QImage m_image;
-#endif
-
-private slots:
- /** @brief Sets up an event filter for picking a color. */
- void slotSetupEventFilter();
-
- /** @brief Calculates the average color for the pixels in the rect m_grabRect and emits colorPicked. */
- void slotGetAverageColor();
-
-signals:
- void colorPicked(const QColor&);
- void displayMessage(const QString&, int);
- /** @brief When user wants to pick a color, it's better to disable filter so we get proper color values. */
- void disableCurrentFilter(bool);
-};
-
-#endif