kicad/include/widgets/widget_save_restore.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 KiCad Developers, see AUTHORS.TXT for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef WIDGETS_WIDGET_SAVE_RESTORE__H
#define WIDGETS_WIDGET_SAVE_RESTORE__H
#include <vector>
class wxCheckBox;
class wxChoice;
class wxNotebook;
class wxRadioBox;
class wxString;
class wxTextCtrl;
class UNIT_BINDER;
class WIDGET_SAVE_RESTORE
{
public:
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WIDGET_SAVE_RESTORE( bool& aValidFlag ) :
m_valid( aValidFlag )
{
}
/**
* Bind a radiobox to a choice.
*/
void Add( wxRadioBox& ctrl, long& dest );
/**
* Bind a check box to a binary choice
*/
void Add( wxCheckBox& ctrl, bool& dest );
/**
* Bind a text ctrl to a string: the control value is stored directly
* into the string
*/
void Add( wxTextCtrl& ctrl, wxString& dest );
/**
* Bind a text ctrl to a integer: the control value is converted to and
* from integer on save/restore.
*/
void Add( wxTextCtrl& ctrl, long& dest );
/**
* Bind a text ctrl to a double: the control value is converted to and
* from double on save/restore.
*/
void Add( wxTextCtrl& ctrl, double& dest );
/**
* Bind a control managed by a #UNIT_BINDER into a integer
*/
void Add( UNIT_BINDER& ctrl, long& dest );
/**
* Bind a choice control into a choice (agnostic to the actual
* meaning of the choice)
*/
void Add( wxChoice& ctrl, long& dest );
/**
* Bind a notebook tab choice to an integer
*/
void Add( wxNotebook& ctrl, long& dest );
/**
* Read values of all bound controls into the internally-stored
* references to the underlying data.
*/
void ReadConfigFromControls();
/**
* Restore the values from the internally-stored references to the underlying
* data to each bound control.
*/
void RestoreConfigToControls();
private:
/**
* Recognised parameters types (encodes an implicit widget type,
* data type and appropriate conversion).
*/
enum class WIDGET_CTRL_TYPE_T
{
TEXT,
TEXT_INTEGER,
TEXT_DOUBLE,
UNIT_BINDER,
CHECKBOX,
RADIOBOX,
CHOICE,
TAB
};
union CONTROL {
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CONTROL( wxCheckBox* aCtrl ) :
m_checkbox( aCtrl )
{
}
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CONTROL( wxChoice* aCtrl ) :
m_choice( aCtrl )
{
}
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CONTROL( wxNotebook* aCtrl ) :
m_notebook( aCtrl )
{
}
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CONTROL( wxRadioBox* aCtrl ) :
m_radiobox( aCtrl )
{
}
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CONTROL( wxTextCtrl* aCtrl ) :
m_textctrl( aCtrl )
{
}
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CONTROL( UNIT_BINDER* aCtrl ) :
m_unit_binder( aCtrl )
{
}
wxCheckBox* m_checkbox;
wxChoice* m_choice;
wxNotebook* m_notebook;
wxRadioBox* m_radiobox;
wxTextCtrl* m_textctrl;
UNIT_BINDER* m_unit_binder;
};
union DATA {
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DATA( long* aDest ) :
m_long( aDest )
{
}
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DATA( bool* aDest ) :
m_bool( aDest )
{
}
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DATA( wxString* aDest ) :
m_str( aDest )
{
}
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DATA( double* aDest ) :
m_double( aDest )
{
}
long* m_long;
bool* m_bool;
wxString* m_str;
double* m_double;
};
/**
* Struct that represents a single bound control
*/
struct WIDGET_CTRL_T
{
template <typename CTRL_T, typename DEST_T>
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WIDGET_CTRL_T( WIDGET_CTRL_TYPE_T aType, CTRL_T& aCtrl, DEST_T& aDest ) :
m_type( aType ),
m_control( &aCtrl ),
m_dest( &aDest )
{
}
WIDGET_CTRL_TYPE_T m_type;
CONTROL m_control;
DATA m_dest;
};
std::vector<WIDGET_CTRL_T> m_ctrls;
bool& m_valid;
};
#endif // WIDGETS_WIDGET_SAVE_RESTORE__H