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/* This file is part of the KDE project
Copyright (C) 2002-2003 Ariya Hidayat <ariya@kde.org>
(C) 2002-2003 Norbert Andres <nandres@web.de>
(C) 1999-2003 Laurent Montel <montel@kde.org>
(C) 2002 Philipp Mueller <philipp.mueller@gmx.de>
(C) 2002 John Dailey <dailey@vt.edu>
(C) 2002 Daniel Herring <herring@eecs.ku.edu>
(C) 2000-2001 Werner Trobin <trobin@kde.org>
(C) 1998-2000 Torben Weis <weis@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 as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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 CALLIGRA_SHEETS_FORMULA_DIALOG
#define CALLIGRA_SHEETS_FORMULA_DIALOG
#include <QCloseEvent>
#include <QLabel>
#include <QEvent>
#include <QListView>
#include <kcompletion.h>
#include <kdialog.h>
class QLabel;
class QPushButton;
class KTabWidget;
class KTextBrowser;
class QStringListModel;
class QSortFilterProxyModel;
class KComboBox;
class KLineEdit;
namespace Calligra
{
namespace Sheets
{
class CellEditorBase;
class FunctionDescription;
class Selection;
/**
* \ingroup UI
* Dialog to compose a formula.
*/
class FormulaDialog : public KDialog
{
Q_OBJECT
public:
FormulaDialog(QWidget* parent, Selection* selection, CellEditorBase* editor, const QString& expression = QString());
~FormulaDialog();
private:
/**
* Turns the @p text into a parameter that koscript can understand. The type
* of this parameter is extracted by looking at parameter number @p param in @ref #m_desc.
*/
QString createParameter(const QString& _text, int param);
/**
* Reads the text out of @ref #firstElement and friends and creates a parameter
* list for the function.
*/
QString createFormula();
private slots:
/**
* Called by the Ok button.
*/
void slotOk();
/**
* Called by the Close button.
*/
void slotClose();
/**
* Called if a function name was selected but not double clicked.
* This will just show the help page for the function.
*/
void slotSelected(const QString& function = QString());
/**
* Called if a function name was selected but not double clicked.
* This will just show the help page for the function.
*/
void slotIndexSelected(const QModelIndex& index);
/**
* Called if the user clicked on one of the "related function"
* This will switch the active function and show help page
* of the function as well.
*/
void slotShowFunction(const QString& function);
/**
* Called if the user double clicked on some method name.
* That will switch into editing mode, allowing the user
* to enter the parameters for the function.
*/
void slotDoubleClicked(QModelIndex item = QModelIndex());
/**
* Called if a category of methods has been selected.
*/
void slotActivated(const QString& category);
/**
* Called if the text of @ref #firstElement, @ref #secondElement etc. changes.
*/
void slotChangeText(const QString& text);
/**
* Connected to @ref View to get notified if the selection in the
* sheet changes.
*/
void slotSelectionChanged();
/**
* Called if the button @ref #selectFunction was clicked. That
* insertes a new function call to the result.
*/
void slotSelectButton();
/**
* Called if the user changes some character in @ref #searchFunct.
*/
void slotSearchText(const QString& text);
/**
* Called if the user pressed return in @ref #searchFunct.
*/
void slotPressReturn();
public:
/**
* Find out which widget got focus.
*/
bool eventFilter(QObject* obj, QEvent* ev);
protected:
virtual void closeEvent(QCloseEvent *);
private:
Selection* m_selection;
CellEditorBase* m_editor;
KTabWidget* m_tabwidget;
KTextBrowser* m_browser;
QWidget* m_input;
QPushButton *selectFunction;
KComboBox *typeFunction;
QListView *functions;
QStringListModel *functionsModel;
QSortFilterProxyModel *proxyModel;
KLineEdit *result;
KLineEdit *searchFunct;
KCompletion listFunct;
QLabel* label1;
QLabel* label2;
QLabel* label3;
QLabel* label4;
QLabel* label5;
KLineEdit *firstElement;
KLineEdit *secondElement;
KLineEdit *thirdElement;
KLineEdit *fourElement;
KLineEdit *fiveElement;
/**
* Tells which of the lineedits has the logical focus currently.
* It may happen that a lineedit does not have qt focus but
* logical focus but not the other way round.
*/
KLineEdit* m_focus;
int m_column;
int m_row;
QString m_oldText;
QString m_funcName;
QString m_sheetName;
QString m_rightText;
QString m_leftText;
/**
* A lock for @ref #slotChangeText.
*/
bool refresh_result;
Calligra::Sheets::FunctionDescription* m_desc;
};
} // namespace Sheets
} // namespace Calligra
#endif // CALLIGRA_SHEETS_FORMULA_DIALOG
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