libyui-qt  2.43.5
/usr/src/RPM/BUILD/libyui-qt-2.43.5/src/YQSlider.h
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019   File:       YQSlider.h
00020 
00021   Author:     Stefan Hundhammer <sh@suse.de>
00022 
00023 /-*/
00024 
00025 
00026 #ifndef YQSlider_h
00027 #define YQSlider_h
00028 
00029 #include <QFrame>
00030 #include <yui/YSlider.h>
00031 
00032 class YQWidgetCaption;
00033 class QSlider;
00034 class QSpinBox;
00035 
00036 class YQSlider : public QFrame, public YSlider
00037 {
00038     Q_OBJECT
00039 
00040 public:
00041 
00042     /**
00043      * Constructor.
00044      *
00045      * 'reverseLayout' creates the QSpinBox to the left and the QSlider to the right.
00046      **/
00047     YQSlider( YWidget *         parent,
00048               const std::string &       label,
00049               int               minValue,
00050               int               maxValue,
00051               int               initialValue,
00052               bool              reverseLayout = false );
00053 
00054     /**
00055      * Destructor.
00056      **/
00057     virtual ~YQSlider();
00058 
00059     /**
00060      * Get the current value (the number entered by the user or set from the
00061      * outside) of this slider.
00062      *
00063      * Implemented from YSlider / YIntField.
00064      **/
00065     virtual int value();
00066 
00067 protected:
00068 
00069     /**
00070      * Set the current value (the number entered by the user or set from the
00071      * outside) of this slider. 'val' is guaranteed to be between minValue
00072      * and maxValue; no further checks are required.
00073      *
00074      * Implemented from YSlider/ YIntField.
00075      **/
00076     virtual void setValueInternal( int val );
00077 
00078 public:
00079 
00080     /**
00081      * Set the label (the caption above the input field).
00082      *
00083      * Reimplemented from YSlider / YIntField.
00084      **/
00085     virtual void setLabel( const std::string & label );
00086 
00087     /**
00088      * Set enabled/disabled state.
00089      *
00090      * Reimplemented from YWidget.
00091      **/
00092     virtual void setEnabled( bool enabled );
00093 
00094     /**
00095      * Preferred width of the widget.
00096      *
00097      * Reimplemented from YWidget.
00098      **/
00099     virtual int preferredWidth();
00100 
00101     /**
00102      * Preferred height of the widget.
00103      *
00104      * Reimplemented from YWidget.
00105      **/
00106     virtual int preferredHeight();
00107 
00108     /**
00109      * Set the new size of the widget.
00110      *
00111      * Reimplemented from YWidget.
00112      **/
00113     virtual void setSize( int newWidth, int newHeight );
00114 
00115     /**
00116      * Accept the keyboard focus.
00117      **/
00118     virtual bool setKeyboardFocus();
00119 
00120 
00121 public slots:
00122     /**
00123      * Slot for "value changed". This will send a ValueChanged event if
00124      * 'notify' is set.
00125      **/
00126     void valueChangedSlot( int newValue );
00127 
00128 signals:
00129 
00130     /**
00131      * Emitted when the value changes (regardless of the notify flag).
00132      **/
00133     void valueChanged( int newValue );
00134 
00135 
00136 protected:
00137 
00138     YQWidgetCaption *   _caption;
00139     QSlider *           _qt_slider;
00140     QSpinBox *          _qt_spinBox;
00141     QFrame *            _hbox;
00142 };
00143 
00144 
00145 #endif // YQSlider_h
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