kicad/common/widgets/unit_binder.cpp

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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
*/
#include <wx/clipbrd.h>
#include <wx/stattext.h>
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#include <wx/textentry.h>
#include <limits>
#include <base_units.h>
#include <eda_draw_frame.h>
#include <confirm.h>
#include "widgets/unit_binder.h"
wxDEFINE_EVENT( DELAY_FOCUS, wxCommandEvent );
UNIT_BINDER::UNIT_BINDER( EDA_BASE_FRAME* aParent, wxStaticText* aLabel, wxWindow* aValueCtrl,
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wxStaticText* aUnitLabel, bool allowEval ) :
m_frame( aParent ),
m_label( aLabel ),
m_valueCtrl( aValueCtrl ),
m_unitLabel( aUnitLabel ),
m_negativeZero( false ),
m_dataType( EDA_DATA_TYPE::DISTANCE ),
m_precision( 0 ),
m_eval( aParent->GetUserUnits() ),
m_originTransforms( aParent->GetOriginTransforms() ),
m_coordType( ORIGIN_TRANSFORMS::NOT_A_COORD )
{
m_units = aParent->GetUserUnits();
m_allowEval = allowEval && dynamic_cast<wxTextEntry*>( m_valueCtrl );
m_needsEval = false;
m_selStart = 0;
m_selEnd = 0;
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
if( textEntry )
{
// Use ChangeValue() instead of SetValue() so we don't generate events.
if( m_negativeZero )
textEntry->ChangeValue( wxT( "-0" ) );
else
textEntry->ChangeValue( wxT( "0" ) );
}
if( m_unitLabel )
m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_dataType ).Trim( false ) );
m_valueCtrl->Connect( wxEVT_SET_FOCUS, wxFocusEventHandler( UNIT_BINDER::onSetFocus ),
nullptr, this );
m_valueCtrl->Connect( wxEVT_KILL_FOCUS, wxFocusEventHandler( UNIT_BINDER::onKillFocus ),
nullptr, this );
Connect( DELAY_FOCUS, wxCommandEventHandler( UNIT_BINDER::delayedFocusHandler ), nullptr,
this );
m_frame->Connect( UNITS_CHANGED, wxCommandEventHandler( UNIT_BINDER::onUnitsChanged ),
nullptr, this );
}
UNIT_BINDER::~UNIT_BINDER()
{
m_frame->Disconnect( UNITS_CHANGED, wxCommandEventHandler( UNIT_BINDER::onUnitsChanged ),
nullptr, this );
}
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void UNIT_BINDER::SetUnits( EDA_UNITS aUnits )
{
m_units = aUnits;
if( m_unitLabel )
m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_dataType ).Trim( false ) );
}
void UNIT_BINDER::SetPrecision( int aLength )
{
m_precision = std::min( aLength, 6 );
}
void UNIT_BINDER::SetDataType( EDA_DATA_TYPE aDataType )
{
m_dataType = aDataType;
if( m_unitLabel )
m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_dataType ).Trim( false ) );
}
void UNIT_BINDER::onUnitsChanged( wxCommandEvent& aEvent )
{
if( m_units != EDA_UNITS::UNSCALED
&& m_units != EDA_UNITS::DEGREES
&& m_units != EDA_UNITS::PERCENT )
{
int temp = (int) GetValue();
SetUnits( m_frame->GetUserUnits() );
SetValue( temp );
}
aEvent.Skip();
}
void UNIT_BINDER::onSetFocus( wxFocusEvent& aEvent )
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
if( m_allowEval && textEntry )
{
wxString oldStr = m_eval.OriginalText();
if( oldStr.length() && oldStr != textEntry->GetValue() )
{
textEntry->SetValue( oldStr );
textEntry->SetSelection( m_selStart, m_selEnd );
}
m_needsEval = true;
}
aEvent.Skip();
}
void UNIT_BINDER::onKillFocus( wxFocusEvent& aEvent )
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
if( m_allowEval && textEntry )
{
if( m_eval.Process( textEntry->GetValue() ) )
{
textEntry->GetSelection( &m_selStart, &m_selEnd );
wxString sel = textEntry->GetStringSelection();
textEntry->ChangeValue( m_eval.Result() );
#ifdef __WXGTK__
// Manually copy the selected text to the primary selection clipboard
if( wxTheClipboard->Open() )
{
bool clipTarget = wxTheClipboard->IsUsingPrimarySelection();
wxTheClipboard->UsePrimarySelection( true );
wxTheClipboard->SetData( new wxTextDataObject( sel ) );
wxTheClipboard->UsePrimarySelection( clipTarget );
wxTheClipboard->Close();
}
#endif
}
m_needsEval = false;
}
aEvent.Skip();
}
wxString valueDescriptionFromLabel( wxStaticText* aLabel )
{
wxString desc = aLabel->GetLabel();
desc.EndsWith( wxT( ":" ), &desc );
return desc;
}
void UNIT_BINDER::delayedFocusHandler( wxCommandEvent& )
{
if( !m_errorMessage.IsEmpty() )
DisplayError( m_valueCtrl->GetParent(), m_errorMessage );
m_errorMessage = wxEmptyString;
m_valueCtrl->SetFocus();
}
bool UNIT_BINDER::Validate( double aMin, double aMax, EDA_UNITS aUnits )
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
if( !textEntry
|| textEntry->GetValue() == INDETERMINATE_ACTION
|| textEntry->GetValue() == INDETERMINATE_STATE )
{
return true;
}
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// TODO: Validate() does not currently support m_dataType being anything other than DISTANCE
// Note: aMin and aMax are not always given in internal units
if( GetValue() < From_User_Unit( aUnits, aMin ) )
{
double val_min_iu = From_User_Unit( aUnits, aMin );
m_errorMessage = wxString::Format( _( "%s must be at least %s." ),
valueDescriptionFromLabel( m_label ),
StringFromValue( m_units, val_min_iu, true ) );
textEntry->SelectAll();
// Don't focus directly; we might be inside a KillFocus event handler
wxPostEvent( this, wxCommandEvent( DELAY_FOCUS ) );
return false;
}
if( GetValue() > From_User_Unit( aUnits, aMax ) )
{
double val_max_iu = From_User_Unit( aUnits, aMax );
m_errorMessage = wxString::Format( _( "%s must be less than %s." ),
valueDescriptionFromLabel( m_label ),
StringFromValue( m_units, val_max_iu, true ) );
textEntry->SelectAll();
// Don't focus directly; we might be inside a KillFocus event handler
wxPostEvent( this, wxCommandEvent( DELAY_FOCUS ) );
return false;
}
return true;
}
void UNIT_BINDER::SetValue( int aValue )
{
double value = aValue;
double displayValue = m_originTransforms.ToDisplay( value, m_coordType );
if( displayValue == 0 && m_negativeZero )
SetValue( wxT( "-" ) + StringFromValue( m_units, displayValue, false, m_dataType ) );
else
SetValue( StringFromValue( m_units, displayValue, false, m_dataType ) );
}
void UNIT_BINDER::SetDoubleValue( double aValue )
{
double displayValue = m_originTransforms.ToDisplay( aValue, m_coordType );
displayValue = setPrecision( displayValue, false );
if( displayValue == 0 && m_negativeZero )
SetValue( wxT( "-" ) + StringFromValue( m_units, displayValue, false, m_dataType ) );
else
SetValue( StringFromValue( m_units, displayValue, false, m_dataType ) );
}
void UNIT_BINDER::SetAngleValue( const EDA_ANGLE& aValue )
{
SetDoubleValue( aValue.AsDegrees() );
}
void UNIT_BINDER::SetValue( const wxString& aValue )
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
wxStaticText* staticText = dynamic_cast<wxStaticText*>( m_valueCtrl );
if( textEntry )
textEntry->SetValue( aValue );
else if( staticText )
staticText->SetLabel( aValue );
if( m_allowEval )
m_eval.Clear();
if( m_unitLabel )
m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_dataType ).Trim( false ) );
}
void UNIT_BINDER::ChangeValue( int aValue )
{
double value = aValue;
double displayValue = m_originTransforms.ToDisplay( value, m_coordType );
if( displayValue == 0 && m_negativeZero )
ChangeValue( wxT( "-" ) + StringFromValue( m_units, displayValue, false ) );
else
ChangeValue( StringFromValue( m_units, displayValue, false ) );
}
void UNIT_BINDER::ChangeDoubleValue( double aValue )
{
double displayValue = m_originTransforms.ToDisplay( aValue, m_coordType );
displayValue = setPrecision( displayValue, false );
if( displayValue == 0 && m_negativeZero )
ChangeValue( wxT( "-" ) + StringFromValue( m_units, displayValue, false, m_dataType ) );
else
ChangeValue( StringFromValue( m_units, displayValue, false, m_dataType ) );
}
void UNIT_BINDER::ChangeAngleValue( const EDA_ANGLE& aValue )
{
ChangeDoubleValue( aValue.AsDegrees() );
}
void UNIT_BINDER::ChangeValue( const wxString& aValue )
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
wxStaticText* staticText = dynamic_cast<wxStaticText*>( m_valueCtrl );
if( textEntry )
textEntry->ChangeValue( aValue );
else if( staticText )
staticText->SetLabel( aValue );
if( m_allowEval )
m_eval.Clear();
if( m_unitLabel )
m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_dataType ).Trim( false ) );
}
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long long int UNIT_BINDER::GetValue()
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
wxStaticText* staticText = dynamic_cast<wxStaticText*>( m_valueCtrl );
wxString value;
if( textEntry )
{
if( m_needsEval && m_eval.Process( textEntry->GetValue() ) )
value = m_eval.Result();
else
value = textEntry->GetValue();
}
else if( staticText )
{
value = staticText->GetLabel();
}
else
{
return 0;
}
long long int displayValue = ValueFromString( m_units, value, m_dataType );
return m_originTransforms.FromDisplay( displayValue, m_coordType );
}
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double UNIT_BINDER::setPrecision( double aValue, bool aValueUsesUserUnits )
{
if( m_precision > 1 )
{
int scale = pow( 10, m_precision );
long long tmp = aValueUsesUserUnits ? aValue : To_User_Unit( m_units, aValue ) * scale;
aValue = static_cast<double>( tmp ) / scale;
if( !aValueUsesUserUnits )
aValue = From_User_Unit( m_units, aValue );
}
return aValue;
}
double UNIT_BINDER::GetDoubleValue()
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
wxStaticText* staticText = dynamic_cast<wxStaticText*>( m_valueCtrl );
wxString value;
if( textEntry )
{
if( m_needsEval && m_eval.Process( textEntry->GetValue() ) )
value = m_eval.Result();
else
value = textEntry->GetValue();
}
else if( staticText )
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{
value = staticText->GetLabel();
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}
else
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{
return 0.0;
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}
double displayValue = DoubleValueFromString( m_units, value, m_dataType );
displayValue = setPrecision( displayValue, false );
return m_originTransforms.FromDisplay( displayValue, m_coordType );
}
EDA_ANGLE UNIT_BINDER::GetAngleValue()
{
return EDA_ANGLE( GetDoubleValue(), DEGREES_T );
}
bool UNIT_BINDER::IsIndeterminate() const
{
wxTextEntry* te = dynamic_cast<wxTextEntry*>( m_valueCtrl );
if( te )
return te->GetValue() == INDETERMINATE_STATE || te->GetValue() == INDETERMINATE_ACTION;
return false;
}
wxString UNIT_BINDER::GetOriginalText() const
{
wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( m_valueCtrl );
wxStaticText* staticText = dynamic_cast<wxStaticText*>( m_valueCtrl );
if( m_allowEval )
return m_eval.OriginalText();
else if( textEntry )
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return textEntry->GetValue();
else if( staticText )
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return staticText->GetLabel();
else
return wxEmptyString;
}
void UNIT_BINDER::SetLabel( const wxString& aLabel )
{
m_label->SetLabel( aLabel );
}
void UNIT_BINDER::Enable( bool aEnable )
{
m_label->Enable( aEnable );
m_valueCtrl->Enable( aEnable );
if( m_unitLabel )
m_unitLabel->Enable( aEnable );
}
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void UNIT_BINDER::Show( bool aShow, bool aResize )
{
m_label->Show( aShow );
m_valueCtrl->Show( aShow );
if( m_unitLabel )
m_unitLabel->Show( aShow );
if( aResize )
{
if( aShow )
{
m_label->SetSize( -1, -1 );
m_valueCtrl->SetSize( -1, -1 );
if( m_unitLabel )
m_unitLabel->SetSize( -1, -1 );
}
else
{
m_label->SetSize( 0, 0 );
m_valueCtrl->SetSize( 0, 0 );
if( m_unitLabel )
m_unitLabel->SetSize( 0, 0 );
}
}
}