/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2014-2015 CERN * Author: Maciej Suminski * * 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 #include #include #include #include #include #include "widgets/unit_binder.h" UNIT_BINDER::UNIT_BINDER( EDA_DRAW_FRAME* aParent, wxStaticText* aLabel, wxWindow* aValue, wxStaticText* aUnitLabel, bool aUseMils, int aMin, int aMax, bool allowEval ) : m_label( aLabel ), m_value( aValue ), m_unitLabel( aUnitLabel ), m_showMessage( true ), m_eval( aParent->GetUserUnits(), aUseMils ) { // Fix the units (to the current units) for the life of the binder m_units = aParent->GetUserUnits(); m_useMils = aUseMils; m_min = aMin; m_max = aMax; m_allowEval = allowEval && dynamic_cast( m_value ); auto textEntry = dynamic_cast( m_value ); if( textEntry ) textEntry->SetValue( wxT( "0" ) ); m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) ); m_value->Connect( wxEVT_SET_FOCUS, wxFocusEventHandler( UNIT_BINDER::onSetFocus ), NULL, this ); m_value->Connect( wxEVT_KILL_FOCUS, wxFocusEventHandler( UNIT_BINDER::onKillFocus ), NULL, this ); m_value->Connect( wxEVT_TEXT_ENTER, wxCommandEventHandler( UNIT_BINDER::onTextEnter ), NULL, this ); } void UNIT_BINDER::SetUnits( EDA_UNITS_T aUnits, bool aUseMils ) { m_units = aUnits; m_useMils = aUseMils; m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) ); } void UNIT_BINDER::onSetFocus( wxFocusEvent& aEvent ) { auto textEntry = dynamic_cast( m_value ); if( m_allowEval && textEntry ) { wxString oldStr = m_eval.OriginalText(); if( oldStr.length() ) textEntry->SetValue( oldStr ); } aEvent.Skip(); } void UNIT_BINDER::onKillFocus( wxFocusEvent& aEvent ) { // The ship is going down; no need to do anything... if( !aEvent.GetWindow() || aEvent.GetWindow()->GetId() == wxID_CANCEL ) return; if( m_allowEval ) evaluate(); Validate( true ); aEvent.Skip(); } void UNIT_BINDER::onTextEnter( wxCommandEvent& aEvent ) { if( m_allowEval ) evaluate(); // Send an OK event to the parent dialog wxCommandEvent event( wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK ); wxPostEvent( m_value->GetParent(), event ); } void UNIT_BINDER::evaluate() { auto textEntry = dynamic_cast( m_value ); if( !textEntry ) return; if( textEntry->GetValue().IsEmpty() ) textEntry->ChangeValue( "0" ); if( m_eval.Process( textEntry->GetValue() ) ) textEntry->ChangeValue( m_eval.Result() ); } wxString valueDescriptionFromLabel( wxStaticText* aLabel ) { wxString desc = aLabel->GetLabel(); desc.EndsWith( wxT( ":" ), &desc ); return desc; } void UNIT_BINDER::delayedFocusHandler( wxIdleEvent& ) { m_value->SetFocus(); m_showMessage = true; m_value->Unbind( wxEVT_IDLE, &UNIT_BINDER::delayedFocusHandler, this ); } bool UNIT_BINDER::Validate( bool setFocusOnError ) { auto textEntry = dynamic_cast( m_value ); if( !textEntry || textEntry->GetValue() == INDETERMINATE ) return true; if( m_min > INT_MIN && GetValue() < m_min ) { if( m_showMessage ) { wxString msg = wxString::Format( _( "%s must be larger than %s." ), valueDescriptionFromLabel( m_label ), StringFromValue( m_units, m_min, true ) ); DisplayError( m_value->GetParent(), msg ); } if( setFocusOnError ) { textEntry->SelectAll(); // Don't focus directly; we might be inside a KillFocus event handler m_value->Bind( wxEVT_IDLE, &UNIT_BINDER::delayedFocusHandler, this ); m_showMessage = false; } return false; } if( m_max < INT_MAX && GetValue() > m_max ) { if( m_showMessage ) { wxString msg = wxString::Format( _( "%s must be smaller than %s." ), valueDescriptionFromLabel( m_label ), StringFromValue( m_units, m_max, true ) ); DisplayError( m_value->GetParent(), msg ); } if( setFocusOnError ) { textEntry->SelectAll(); // Don't focus directly; we might be inside a KillFocus event handler m_value->Bind( wxEVT_IDLE, &UNIT_BINDER::delayedFocusHandler, this ); m_showMessage = false; } return false; } return true; } void UNIT_BINDER::SetValue( int aValue ) { SetValue( StringFromValue( m_units, aValue, false, m_useMils ) ); } void UNIT_BINDER::SetValue( wxString aValue ) { if( dynamic_cast( m_value ) ) dynamic_cast( m_value )->SetValue( aValue ); else if( dynamic_cast( m_value ) ) dynamic_cast( m_value )->SetLabel( aValue ); if( m_allowEval ) m_eval.Clear(); m_unitLabel->SetLabel( GetAbbreviatedUnitsLabel( m_units, m_useMils ) ); } int UNIT_BINDER::GetValue() const { wxString s; if( dynamic_cast( m_value ) ) s = dynamic_cast( m_value )->GetValue(); else if( dynamic_cast( m_value ) ) s = dynamic_cast( m_value )->GetLabel(); return ValueFromString( m_units, s, m_useMils ); } bool UNIT_BINDER::IsIndeterminate() const { if( dynamic_cast( m_value ) ) return dynamic_cast( m_value )->GetValue() == INDETERMINATE; return false; } void UNIT_BINDER::Enable( bool aEnable ) { m_label->Enable( aEnable ); m_value->Enable( aEnable ); m_unitLabel->Enable( aEnable ); } void UNIT_BINDER::Show( bool aShow ) { m_label->Show( aShow ); m_value->Show( aShow ); m_unitLabel->Show( aShow ); }