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kicad/include/widgets/unit_binder.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2015 CERN
* Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
* Author: Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 __UNIT_BINDER_H_
#define __UNIT_BINDER_H_
#include <base_units.h>
#include <origin_transforms.h>
#include <libeval/numeric_evaluator.h>
#include <wx/event.h>
class EDA_BASE_FRAME;
class EDA_DRAW_FRAME;
class wxTextEntry;
class wxSpinButton;
class wxStaticText;
class UNIT_BINDER : public wxEvtHandler
{
public:
/**
* @param aParent is the parent EDA_BASE_FRAME, used to fetch units and coordinate systems.
* @param aLabel is the static text used to label the text input widget (note: the label
* text, trimmed of its colon, will also be used in error messages)
* @param aValueCtrl is the control used to edit or display the given value (wxTextCtrl,
* wxComboBox, wxStaticText, etc.).
* @param aUnitLabel is the units label displayed after the text input widget
* Can be nullptr.
* @param aAllowEval indicates \a aTextInput's content should be eval'ed before storing
*/
UNIT_BINDER( EDA_DRAW_FRAME* aParent,
wxStaticText* aLabel, wxWindow* aValueCtrl, wxStaticText* aUnitLabel,
bool aAllowEval = true, bool aBindFrameEvents = true );
UNIT_BINDER( EDA_BASE_FRAME* aParent, const EDA_IU_SCALE& aIUScale, wxStaticText* aLabel,
wxWindow* aValueCtrl, wxStaticText* aUnitLabel, bool aAllowEval = true,
bool aBindFrameEvents = true );
virtual ~UNIT_BINDER() override;
/**
* Normally not needed (as the UNIT_BINDER inherits from the parent frame), but can be
* used to set to DEGREES for angular controls.
*/
virtual void SetUnits( EDA_UNITS aUnits );
virtual void SetNegativeZero() { m_negativeZero = true; }
/**
* Normally not needed, but can be used to set the precision when using
* internal units that are floats (not integers) like DEGREES or PERCENT.
* Not used for integer values in IU
* @param aLength is the number of digits for mantissa (0 = no truncation)
* must be <= 6
*/
virtual void SetPrecision( int aLength );
/**
* Used to override the datatype of the displayed property (default is DISTANCE)
* @param aDataType is the datatype to use for the units text display
*/
void SetDataType( EDA_DATA_TYPE aDataType );
/**
* Set new value (in Internal Units) for the text field, taking care of units conversion.
*/
virtual void SetValue( long long int aValue );
void SetValue( const wxString& aValue );
/**
* Set new value (in Internal Units) for the text field, taking care of units conversion.
*
* The value will be truncated according to the precision set by SetPrecision() (if not <= 0).
*/
virtual void SetDoubleValue( double aValue );
virtual void SetAngleValue( const EDA_ANGLE& aValue );
/**
* Set new value (in Internal Units) for the text field, taking care of units conversion
* WITHOUT triggering the update routine.
*/
virtual void ChangeValue( int aValue );
void ChangeValue( const wxString& aValue );
/**
* Set new value (in Internal Units) for the text field, taking care of units conversion
* WITHOUT triggering the update routine.
*
* The value will be truncated according to the precision set by SetPrecision() (if not <= 0).
*/
virtual void ChangeDoubleValue( double aValue );
virtual void ChangeAngleValue( const EDA_ANGLE& aValue );
/**
* Return the current value in Internal Units.
*/
virtual long long int GetValue();
/**
* Return the current value in Internal Units.
*
* The returned value will be truncated according to the precision set by
* SetPrecision() (if not <= 0)
*/
virtual double GetDoubleValue();
virtual EDA_ANGLE GetAngleValue();
/**
* Return true if the control holds the indeterminate value (for instance, if it
* represents a multiple selection of differing values).
*/
bool IsIndeterminate() const;
/**
* Return the pre-evaluated text (or the current text if evaluation is not supported).
* Used primarily to remember values between dialog invocations.
*/
wxString GetOriginalText() const;
/**
* Validate the control against the given range, informing the user of any errors found.
*
* @param aMin a minimum value for validation
* @param aMax a maximum value for validation
* @param aUnits the units of the min/max parameters (use UNSCALED for internal units)
* @return false on error.
*/
virtual bool Validate( double aMin, double aMax, EDA_UNITS aUnits = EDA_UNITS::UNSCALED );
void SetLabel( const wxString& aLabel );
/**
* Enable/disable the label, widget and units label.
*/
void Enable( bool aEnable );
/**
* Show/hide the label, widget and units label.
*
* @param aShow called for the Show() routine in wx
* @param aResize if true, the element will be sized to 0 on hide and -1 on show
*/
void Show( bool aShow, bool aResize = false );
/**
* Get the origin transforms coordinate type
*
* @returns the origin transforms coordinate type
*/
ORIGIN_TRANSFORMS::COORD_TYPES_T GetCoordType() const
{
return m_coordType;
}
/**
* Set the current origin transform mode
*/
void SetCoordType( ORIGIN_TRANSFORMS::COORD_TYPES_T aCoordType )
{
m_coordType = aCoordType;
}
/**
* Force the binder to evaluate the text
*/
void RequireEval()
{
m_needsEval = true;
}
protected:
void init();
void onClick( wxMouseEvent& aEvent );
void onSetFocus( wxFocusEvent& aEvent );
void onKillFocus( wxFocusEvent& aEvent );
void delayedFocusHandler( wxCommandEvent& aEvent );
void onUnitsChanged( wxCommandEvent& aEvent );
/**
* When m_precision > 0 truncate the value aValue to show only
* m_precision digits in mantissa.
* used in GetDoubleValue to return a rounded value.
* Mainly for units set to DEGREES.
*
* @param aValue is the value to modify.
* @param aValueUsesUserUnits must be set to true if aValue is a user value,
* and set to false if aValue is a internal unit value.
* @return the "rounded" value.
*/
double setPrecision( double aValue, bool aValueUsesUserUnits );
EDA_BASE_FRAME* m_frame;
bool m_bindFrameEvents;
///< The bound widgets
wxStaticText* m_label;
wxWindow* m_valueCtrl;
wxStaticText* m_unitLabel; ///< Can be nullptr
///< Currently used units.
const EDA_IU_SCALE& m_iuScale;
EDA_UNITS m_units;
bool m_negativeZero; ///< Indicates "-0" should be displayed for 0.
EDA_DATA_TYPE m_dataType;
int m_precision; ///< 0 to 6
wxString m_errorMessage;
NUMERIC_EVALUATOR m_eval;
bool m_allowEval;
bool m_needsEval;
long m_selStart; ///< Selection start and end of the original text
long m_selEnd;
/// A reference to an ORIGIN_TRANSFORMS object
ORIGIN_TRANSFORMS& m_originTransforms;
/// Type of coordinate for display origin transforms
ORIGIN_TRANSFORMS::COORD_TYPES_T m_coordType;
};
/**
* Specialization for wxPropertyGrid, where we have no labels and units are displayed in the editor
*/
class PROPERTY_EDITOR_UNIT_BINDER : public UNIT_BINDER
{
public:
PROPERTY_EDITOR_UNIT_BINDER( EDA_DRAW_FRAME* aParent );
virtual ~PROPERTY_EDITOR_UNIT_BINDER();
void SetControl( wxWindow* aControl ) { m_valueCtrl = aControl; }
};
#endif /* __UNIT_BINDER_H_ */
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