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/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2008 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/
#ifndef CKEYCHOOSERWIDGET_H
#define CKEYCHOOSERWIDGET_H
#include <QString>
#include <QStringList>
#include <QComboBox>
class QWheelEvent;
class QHBoxLayout;
class QWidget;
class QObject;
class QEvent;
class CLexiconKeyChooser;
class CScrollerWidgetSet;
/*
* We use this class to conrtol the focus move in the combobox
* This class is used in the key chooser widgets
*/
class CKCComboBox : public QComboBox {
Q_OBJECT
public:
CKCComboBox();
/**
* Returns the size this widget would like to have.
*/
// virtual QSize sizeHint() const;
protected:
/**
* Reimplementation.
*/
virtual bool eventFilter( QObject *o, QEvent *e );
/**
* Scrolls in the list if the wheel of the mouse was used.
*/
virtual void wheelEvent( QWheelEvent* e);
signals:
/**
* Emitted when the user moves the focus away from the combo by pressing tab
*/
void focusOut(int itemIndex);
};
/**
* This class implements the KeyCooser Widget, which
* consists of a @ref QComboBox, two normal ref @QToolButton
* and a enhanced @ref CScrollButton
*
* @author The BibleTime team
*/
class CKeyChooserWidget : public QWidget {
Q_OBJECT
public:
/**
* the constructor
*/
CKeyChooserWidget(QStringList *list = 0, const bool useNextPrevSignals = false, QWidget *parent = 0 );
/**
* the constructor
*/
CKeyChooserWidget(int count = 0, const bool useNextPrevSignals = false, QWidget *parent = 0 );
/**
* This function does clear the combobox, then fill in
* the StringList, set the ComboBox' current item to index
* and if do_emit is true, it will emit @ref #changed
*
* @param list the stringlist to be inserted
* @param index the index that the combobox is to jump to
* @param do_emit should we emit @ref #changed(int)
*/
void reset(const int count, int index, bool do_emit);
void reset(QStringList& list, int index, bool do_emit);
void reset(QStringList *list, int index, bool do_emit);
/**
* Initializes this widget. We need this function because
* we have more than one constructor.
*/
virtual void init();
/**
*
*/
// virtual void adjustSize();
/**
* Sets the tooltips for the given entries using the parameters as text.
*/
void setToolTips( const QString comboTip, const QString nextEntry, const QString scrollButton, const QString previousEntry);
/**
* Sets the current item to the one with the given text
*/
bool setItem( const QString item);
/**
* Return the combobox of this key chooser widget.
*/
QComboBox* comboBox() {
return m_comboBox;
};
public slots:
/**
* is called to lock the combobox
*/
void lock()
;
/**
* is called to unlock the combobox
*/
void unlock();
/**
* is called to move the combobox to a certain index
* @param index the index to jump to
*/
void changeCombo(int index);
void slotComboChanged(int index);
signals:
/**
* Is emitted if the widget changed, but
* only if it is not locked or being reset
*
* @param the current ComboBox index
*/
void changed(int index);
/**
* Is emitted if the widget was left with a focus out event.
* @param index The new index of the ComboBox
*/
void focusOut(int index);
protected:
/**
* indicates wheter we are resetting at the moment
*/
bool isResetting;
/**
*
*/
QString oldKey;
protected slots: // Protected slots
/**
* Is called when the return key was presed in the combobox.
*/
void slotReturnPressed( /*const QString&*/ );
private:
friend class CLexiconKeyChooser;
QStringList m_list;
bool m_useNextPrevSignals;
bool updatelock;
/**
* Members should never be public!!
*/
CKCComboBox* m_comboBox;
QHBoxLayout *m_mainLayout;
CScrollerWidgetSet * m_scroller;
};
#endif
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