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/***************************************************************************
*
* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#ifndef SEARCHLIST_H
#define SEARCHLIST_H
#include <tqwidget.h>
#include <tqvbox.h>
#include <tqlineedit.h>
#include <tqlistview.h>
#include <tqtooltip.h>
class SearchList;
/**
* Defines a line text edit for searchable list view.
* The widget is based on TQLineEdit with additional key functions
* Supported key events (up and down) are emitted as signals
* @author Albert Yosher
*/
class SearchLineEdit : public TQLineEdit
{
Q_OBJECT
public:
SearchLineEdit(TQWidget* pParent) : TQLineEdit(pParent) {};
~SearchLineEdit() {};
signals:
/**
* Emitted when one of the up/down or page up/page down keys were pressed
* inside this edit widget.
* @param pEvent The event received for this key press
*/
void keyPressed(TQKeyEvent* pEvent);
private:
virtual void keyPressEvent(TQKeyEvent*);
};
/**
* A tool-tip class for the search list.
* Enables sub-classes of the list to provide a customised tool-tip for each
* list item.
* @author Gabor Fekete
*/
class ListToolTip : public TQToolTip
{
public:
ListToolTip(SearchList* pParent);
protected:
virtual void maybeTip(const TQPoint& pt);
private:
/** The owner widget. */
SearchList* m_pList;
};
/**
* Defines a searchable list view.
* The widget is composed of a list view, and an edit box used to enter
* search data. Whenever the text in the edit box changes, the list view is
* set to point to the first item that matches the new text.
* @author Elad Lahav
*/
class SearchList : public TQVBox
{
Q_OBJECT
public:
SearchList(int nSearchCol, TQWidget* pParent = 0, const char* szName = 0);
~SearchList();
/**
* @return A pointer to the list part of the widget.
*/
TQListView* getList() { return m_pList; }
/**
* Constructs a tool-tip for the given item.
* @param pItem The item for which a tip is required
* @param sTip The constructed tip string (on return)
* @return True to display the tip, false otherwise
*/
virtual bool getTip(TQListViewItem* pItem, TQString& sTip) = 0;
public slots:
void slotSetFocus();
protected:
/** The search edit-box. */
TQLineEdit* m_pEdit;
/** The list part of the widget. */
TQListView* m_pList;
/**
* Called whenever the user selects an item in the list by either double-
* clicking it, or by highlighting the item and pressing the ENTER key.
* @param pItem The selected list item
*/
virtual void processItemSelected(TQListViewItem* pItem) = 0;
protected slots:
void slotFindItem(const TQString&);
void slotItemSelected(TQListViewItem*);
void slotItemSelected();
void slotKeyPressed(TQKeyEvent*);
private:
/** Specifies the search column, i.e., the list column whose strings are
compared with the text in the search edit-box. */
int m_nSearchCol;
/** A tool-tip for the list entries. */
ListToolTip* m_pToolTip;
};
#endif
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