308 lines
8.2 KiB
C++
308 lines
8.2 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014-2015 CERN
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* Author: Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <wx/clipbrd.h>
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#include <wx/stattext.h>
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#include <wx/textentry.h>
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#include <limits>
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#include <base_units.h>
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#include <eda_draw_frame.h>
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#include <confirm.h>
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#include "widgets/unit_binder.h"
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wxDEFINE_EVENT( DELAY_FOCUS, wxCommandEvent );
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UNIT_BINDER::UNIT_BINDER( EDA_DRAW_FRAME* aParent,
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wxStaticText* aLabel, wxWindow* aValue, wxStaticText* aUnitLabel,
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bool aUseMils, bool allowEval ) :
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m_label( aLabel ),
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m_value( aValue ),
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m_unitLabel( aUnitLabel ),
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m_eval( aParent->GetUserUnits(), aUseMils )
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{
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// Fix the units (to the current units) for the life of the binder
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m_units = aParent->GetUserUnits();
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m_useMils = aUseMils;
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m_allowEval = allowEval && dynamic_cast<wxTextEntry*>( m_value );
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m_needsEval = false;
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m_selStart = 0;
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m_selEnd = 0;
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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if( textEntry )
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{
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// Use ChangeValue() instead of SetValue() so we don't generate events.
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textEntry->ChangeValue( wxT( "0" ) );
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}
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m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) );
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m_value->Connect( wxEVT_SET_FOCUS, wxFocusEventHandler( UNIT_BINDER::onSetFocus ), NULL, this );
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m_value->Connect( wxEVT_KILL_FOCUS, wxFocusEventHandler( UNIT_BINDER::onKillFocus ), NULL, this );
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Connect( DELAY_FOCUS, wxCommandEventHandler( UNIT_BINDER::delayedFocusHandler ), NULL, this );
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}
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void UNIT_BINDER::SetUnits( EDA_UNITS_T aUnits, bool aUseMils )
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{
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m_units = aUnits;
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m_useMils = aUseMils;
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m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) );
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}
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void UNIT_BINDER::onSetFocus( wxFocusEvent& aEvent )
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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if( m_allowEval && textEntry )
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{
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wxString oldStr = m_eval.OriginalText();
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if( oldStr.length() )
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{
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textEntry->SetValue( oldStr );
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textEntry->SetSelection( m_selStart, m_selEnd );
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}
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m_needsEval = true;
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}
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aEvent.Skip();
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}
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void UNIT_BINDER::onKillFocus( wxFocusEvent& aEvent )
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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if( m_allowEval && textEntry )
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{
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if( m_eval.Process( textEntry->GetValue() ) )
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{
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textEntry->GetSelection( &m_selStart, &m_selEnd );
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wxString sel = textEntry->GetStringSelection();
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textEntry->ChangeValue( m_eval.Result() );
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#ifdef __WXGTK__
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// Manually copy the selected text to the primary selection clipboard
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if( wxTheClipboard->Open() )
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{
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bool clipTarget = wxTheClipboard->IsUsingPrimarySelection();
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wxTheClipboard->UsePrimarySelection( true );
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wxTheClipboard->SetData( new wxTextDataObject( sel ) );
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wxTheClipboard->UsePrimarySelection( clipTarget );
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wxTheClipboard->Close();
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}
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#endif
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}
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m_needsEval = false;
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}
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aEvent.Skip();
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}
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wxString valueDescriptionFromLabel( wxStaticText* aLabel )
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{
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wxString desc = aLabel->GetLabel();
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desc.EndsWith( wxT( ":" ), &desc );
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return desc;
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}
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void UNIT_BINDER::delayedFocusHandler( wxCommandEvent& )
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{
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if( !m_errorMessage.IsEmpty() )
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DisplayError( m_value->GetParent(), m_errorMessage );
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m_errorMessage = wxEmptyString;
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m_value->SetFocus();
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}
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bool UNIT_BINDER::Validate( long long int aMin, long long int aMax, bool setFocusOnError )
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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if( !textEntry || textEntry->GetValue() == INDETERMINATE )
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return true;
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if( GetValue() < aMin )
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{
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m_errorMessage = wxString::Format( _( "%s must be at least %s." ),
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valueDescriptionFromLabel( m_label ),
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StringFromValue( m_units, aMin, true ) );
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if( setFocusOnError )
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{
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textEntry->SelectAll();
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// Don't focus directly; we might be inside a KillFocus event handler
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wxPostEvent( this, wxCommandEvent( DELAY_FOCUS ) );
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}
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return false;
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}
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if( GetValue() > aMax )
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{
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m_errorMessage = wxString::Format( _( "%s must be less than %s." ),
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valueDescriptionFromLabel( m_label ),
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StringFromValue( m_units, aMax, true ) );
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if( setFocusOnError )
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{
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textEntry->SelectAll();
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// Don't focus directly; we might be inside a KillFocus event handler
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wxPostEvent( this, wxCommandEvent( DELAY_FOCUS ) );
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}
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return false;
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}
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return true;
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}
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void UNIT_BINDER::SetValue( int aValue )
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{
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SetValue( StringFromValue( m_units, aValue, false, m_useMils ) );
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}
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void UNIT_BINDER::SetValue( wxString aValue )
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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auto staticText = dynamic_cast<wxStaticText*>( m_value );
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if( textEntry )
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textEntry->SetValue( aValue );
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else if( staticText )
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staticText->SetLabel( aValue );
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if( m_allowEval )
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m_eval.Clear();
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m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) );
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}
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void UNIT_BINDER::ChangeValue( int aValue )
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{
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ChangeValue( StringFromValue( m_units, aValue, false, m_useMils ) );
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}
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void UNIT_BINDER::ChangeValue( wxString aValue )
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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auto staticText = dynamic_cast<wxStaticText*>( m_value );
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if( textEntry )
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textEntry->ChangeValue( aValue );
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else if( staticText )
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staticText->SetLabel( aValue );
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if( m_allowEval )
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m_eval.Clear();
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m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) );
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}
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long long int UNIT_BINDER::GetValue()
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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auto staticText = dynamic_cast<wxStaticText*>( m_value );
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wxString value;
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if( textEntry )
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{
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if( m_needsEval && m_eval.Process( textEntry->GetValue() ) )
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value = m_eval.Result();
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else
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value = textEntry->GetValue();
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}
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else if( staticText )
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value = staticText->GetLabel();
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else
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return 0;
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return ValueFromString( m_units, value, m_useMils );
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}
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bool UNIT_BINDER::IsIndeterminate() const
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{
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auto textEntry = dynamic_cast<wxTextEntry*>( m_value );
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if( textEntry )
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return textEntry->GetValue() == INDETERMINATE;
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return false;
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}
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void UNIT_BINDER::SetLabel( const wxString& aLabel )
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{
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m_label->SetLabel( aLabel );
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}
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void UNIT_BINDER::Enable( bool aEnable )
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{
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m_label->Enable( aEnable );
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m_value->Enable( aEnable );
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m_unitLabel->Enable( aEnable );
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}
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void UNIT_BINDER::Show( bool aShow, bool aResize )
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{
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m_label->Show( aShow );
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m_value->Show( aShow );
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m_unitLabel->Show( aShow );
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if( aResize )
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{
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if( aShow )
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{
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m_label->SetSize( -1, -1 );
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m_value->SetSize( -1, -1 );
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m_unitLabel->SetSize( -1, -1 );
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}
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else
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{
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m_label->SetSize( 0, 0 );
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m_value->SetSize( 0, 0 );
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m_unitLabel->SetSize( 0, 0 );
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}
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}
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}
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