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-/* This file is part of the KDE libraries
- Copyright (C) 1999 Daniel M. Duley <mosfet@kde.org>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License version 2 as published by the Free Software Foundation.
-
- 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
-#ifndef __KDUALCOLORBTN_H
-#define __KDUALCOLORBTN_H
-
-class TQBitmap;
-#include <tqbrush.h>
-#include <tqwidget.h>
-
-#include <kdelibs_export.h>
-
-/**
- * @short A widget for selecting two related colors.
- *
- * KDualColorButton allows the user to select two cascaded colors (usually a
- * foreground and background color). Other features include drag and drop
- * from other KDE color widgets, a reset to black and white control, and a
- * swap colors control.
- *
- * When the user clicks on the foreground or background rectangle the
- * rectangle is first sunken and the currentChanged() signal is emitted.
- * Further clicks will present a color dialog and emit either the fgChanged()
- * or bgChanged() if a new color is selected.
- *
- * Note: With drag and drop when dropping a color the current selected color
- * will be set, while when dragging a color it will use whatever color
- * rectangle the mouse was pressed inside.
- *
- * \image html kdualcolorbutton.png "KDE Dual Color Button"
- *
- * @author Daniel M. Duley <mosfet@kde.org>
- */
-class KDEUI_EXPORT KDualColorButton : public TQWidget
-{
- Q_OBJECT
- Q_ENUMS( DualColor )
- Q_PROPERTY( TQColor foreground READ foreground WRITE setForeground )
- Q_PROPERTY( TQColor background READ background WRITE setBackground )
- Q_PROPERTY( TQColor currentColor READ currentColor WRITE setCurrentColor STORED false DESIGNABLE false )
- Q_PROPERTY( DualColor current READ current WRITE setCurrent )
-
-public:
-
- enum DualColor { Foreground, Background };
- /**
- * Constructs a new KDualColorButton using the default black and white
- * colors.
- *
- * As of KDE 3.5.1, sets the dialog parent to the same as "parent" if that
- * argument is non-null and the dialogParent argument is null.
- */
- KDualColorButton(TQWidget *parent=0, const char *name=0, TQWidget* dialogParent=0);
-
- /**
- * Constructs a new KDualColorButton with the supplied foreground and
- * background colors.
- */
- KDualColorButton(const TQColor &fgColor, const TQColor &bgColor,
- TQWidget *parent=0, const char *name=0, TQWidget* dialogParent=0);
-
- ~KDualColorButton();
- /**
- * Returns the current foreground color.
- */
- TQColor foreground() const;
- /**
- * Returns the current background color.
- */
- TQColor background() const;
- /**
- * Returns the current color item selected by the user.
- */
- DualColor current() const;
- /**
- * Returns the color of the selected item.
- */
- TQColor currentColor() const;
- /**
- * Returns the minimum size needed to display the widget and all its
- * controls.
- */
- virtual TQSize tqsizeHint() const;
-public slots:
- /**
- * Sets the foreground color.
- */
- void setForeground(const TQColor &c);
- /**
- * Sets the background color.
- */
- void setBackground(const TQColor &c);
- /**
- * Sets the current selected color item.
- */
- void setCurrent(DualColor s);
- /**
- * Sets the color of the selected item.
- */
- void setCurrentColor(const TQColor &c);
-signals:
- /**
- * Emitted when the foreground color is changed.
- */
- void fgChanged(const TQColor &c);
- /**
- * Emitted when the background color is changed.
- */
- void bgChanged(const TQColor &c);
- /**
- * Emitted when the user changes the current color selection.
- */
- void currentChanged(KDualColorButton::DualColor s);
-protected:
- /**
- * Sets the supplied rectangles to the proper size and position for the
- * current widget size. You can reimplement this to change the layout
- * of the widget. Restrictions are that the swap control will always
- * be at the top right, the reset control will always be at the bottom
- * left, and you must leave at least a 14x14 space in those corners.
- */
- virtual void metrics(TQRect &fgRect, TQRect &bgRect);
- virtual void paintEvent(TQPaintEvent *ev);
- virtual void mousePressEvent(TQMouseEvent *ev);
- virtual void mouseMoveEvent(TQMouseEvent *ev);
- virtual void mouseReleaseEvent(TQMouseEvent *ev);
- // Dnd
- virtual void dragEnterEvent(TQDragEnterEvent *ev);
- virtual void dropEvent(TQDropEvent *ev);
-private:
- TQBitmap *arrowBitmap;
- TQPixmap *resetPixmap;
- TQBrush fg, bg;
- TQPoint mPos;
- bool dragFlag, miniCtlFlag;
- DualColor curColor, tmpColor;
-
-protected:
- virtual void virtual_hook( int id, void* data );
-private:
- class KDualColorPrivate;
- KDualColorPrivate *d;
-};
-
-#endif