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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kdeui/kdualcolorbutton.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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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 QBitmap;
+#include <qbrush.h>
+#include <qwidget.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 QWidget
+{
+ Q_OBJECT
+ Q_ENUMS( DualColor )
+ Q_PROPERTY( QColor foreground READ foreground WRITE setForeground )
+ Q_PROPERTY( QColor background READ background WRITE setBackground )
+ Q_PROPERTY( QColor 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(QWidget *parent=0, const char *name=0, QWidget* dialogParent=0);
+
+ /**
+ * Constructs a new KDualColorButton with the supplied foreground and
+ * background colors.
+ */
+ KDualColorButton(const QColor &fgColor, const QColor &bgColor,
+ QWidget *parent=0, const char *name=0, QWidget* dialogParent=0);
+
+ ~KDualColorButton();
+ /**
+ * Returns the current foreground color.
+ */
+ QColor foreground() const;
+ /**
+ * Returns the current background color.
+ */
+ QColor background() const;
+ /**
+ * Returns the current color item selected by the user.
+ */
+ DualColor current() const;
+ /**
+ * Returns the color of the selected item.
+ */
+ QColor currentColor() const;
+ /**
+ * Returns the minimum size needed to display the widget and all its
+ * controls.
+ */
+ virtual QSize sizeHint() const;
+public slots:
+ /**
+ * Sets the foreground color.
+ */
+ void setForeground(const QColor &c);
+ /**
+ * Sets the background color.
+ */
+ void setBackground(const QColor &c);
+ /**
+ * Sets the current selected color item.
+ */
+ void setCurrent(DualColor s);
+ /**
+ * Sets the color of the selected item.
+ */
+ void setCurrentColor(const QColor &c);
+signals:
+ /**
+ * Emitted when the foreground color is changed.
+ */
+ void fgChanged(const QColor &c);
+ /**
+ * Emitted when the background color is changed.
+ */
+ void bgChanged(const QColor &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(QRect &fgRect, QRect &bgRect);
+ virtual void paintEvent(QPaintEvent *ev);
+ virtual void mousePressEvent(QMouseEvent *ev);
+ virtual void mouseMoveEvent(QMouseEvent *ev);
+ virtual void mouseReleaseEvent(QMouseEvent *ev);
+ // Dnd
+ virtual void dragEnterEvent(QDragEnterEvent *ev);
+ virtual void dropEvent(QDropEvent *ev);
+private:
+ QBitmap *arrowBitmap;
+ QPixmap *resetPixmap;
+ QBrush fg, bg;
+ QPoint mPos;
+ bool dragFlag, miniCtlFlag;
+ DualColor curColor, tmpColor;
+
+protected:
+ virtual void virtual_hook( int id, void* data );
+private:
+ class KDualColorPrivate;
+ KDualColorPrivate *d;
+};
+
+#endif