351 lines
9.2 KiB
C++
351 lines
9.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/qt/radiobox.cpp
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// Author: Peter Most, Mariano Reingart
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// Copyright: (c) 2010 wxWidgets dev team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#include "wx/radiobox.h"
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#include "wx/qt/private/utils.h"
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#include "wx/qt/private/converter.h"
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#include "wx/qt/private/winevent.h"
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#include <QtWidgets/QCheckBox>
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#include <QtWidgets/QGroupBox>
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#include <QtWidgets/QRadioButton>
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#include <QtWidgets/QButtonGroup>
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#include <QtWidgets/QBoxLayout>
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class wxQtRadioBox : public wxQtEventSignalHandler< QGroupBox, wxRadioBox >
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{
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public:
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wxQtRadioBox( wxWindow *parent, wxRadioBox *handler ):
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wxQtEventSignalHandler< QGroupBox, wxRadioBox >( parent, handler ){}
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};
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class wxQtButtonGroup : public wxQtSignalHandler< wxRadioBox >, public QButtonGroup
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{
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public:
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wxQtButtonGroup( QGroupBox *parent, wxRadioBox *handler ):
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wxQtSignalHandler< wxRadioBox >(handler ),
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QButtonGroup(parent)
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{
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connect(this,
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static_cast<void (QButtonGroup::*)(int index)>(&QButtonGroup::buttonClicked),
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this, &wxQtButtonGroup::buttonClicked);
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}
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private:
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void buttonClicked(int index);
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};
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void wxQtButtonGroup::buttonClicked(int index) {
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wxRadioBox *handler = GetHandler();
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if ( handler )
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{
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wxCommandEvent event( wxEVT_RADIOBOX, handler->GetId() );
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event.SetInt(index);
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event.SetString(wxQtConvertString(button(index)->text()));
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EmitEvent( event );
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}
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}
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wxIMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl);
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wxRadioBox::wxRadioBox() :
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m_qtGroupBox(NULL),
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m_qtButtonGroup(NULL),
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m_qtGridLayout(NULL)
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{
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}
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wxRadioBox::wxRadioBox(wxWindow *parent,
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wxWindowID id,
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const wxString& title,
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const wxPoint& pos,
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const wxSize& size,
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int n, const wxString choices[],
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int majorDim,
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long style,
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const wxValidator& val,
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const wxString& name)
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{
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Create( parent, id, title, pos, size, n, choices, majorDim, style, val, name );
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}
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wxRadioBox::wxRadioBox(wxWindow *parent,
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wxWindowID id,
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const wxString& title,
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const wxPoint& pos,
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const wxSize& size,
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const wxArrayString& choices,
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int majorDim,
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long style,
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const wxValidator& val,
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const wxString& name)
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{
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Create( parent, id, title, pos, size, choices, majorDim, style, val, name );
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}
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bool wxRadioBox::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& title,
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const wxPoint& pos,
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const wxSize& size,
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const wxArrayString& choices,
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int majorDim,
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long style,
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const wxValidator& val,
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const wxString& name)
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{
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return Create( parent, id, title, pos, size, choices.size(), &choices[ 0 ],
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majorDim, style, val, name );
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}
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static void AddChoices( QButtonGroup *qtButtonGroup, QGridLayout *qtGridLayout, int count, const wxString choices[], int style, int majorDim )
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{
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if ( count <= 0 )
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return;
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// wxRA_SPECIFY_COLS means that we arrange buttons in
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// left to right order and GetMajorDim() is the number of columns while
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// wxRA_SPECIFY_ROWS means that the buttons are arranged top to bottom and
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// GetMajorDim() is the number of rows.
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const bool columnMajor = style & wxRA_SPECIFY_COLS;
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const int numMajor = majorDim > 0 ? majorDim : count;
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bool isFirst = true;
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for ( int i = 0; i < count; ++i )
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{
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QRadioButton *btn = new QRadioButton(wxQtConvertString (choices[i]) );
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qtButtonGroup->addButton( btn, i );
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int row;
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int col;
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if (columnMajor)
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{
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col = i % numMajor;
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row = i / numMajor;
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}
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else
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{
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col = i / numMajor;
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row = i % numMajor;
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}
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qtGridLayout->addWidget( btn, row, col );
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if (isFirst)
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{
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btn->setChecked( true );
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isFirst = false;
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}
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}
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}
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bool wxRadioBox::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& title,
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const wxPoint& pos,
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const wxSize& size,
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int n, const wxString choices[],
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int majorDim,
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long style,
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const wxValidator& val,
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const wxString& name)
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{
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m_qtGroupBox = new wxQtRadioBox( parent, this );
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m_qtGroupBox->setTitle( wxQtConvertString( title ) );
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m_qtButtonGroup = new wxQtButtonGroup( m_qtGroupBox, this );
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if ( !(style & (wxRA_SPECIFY_ROWS | wxRA_SPECIFY_COLS)) )
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style |= wxRA_SPECIFY_COLS;
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m_qtGridLayout = new QGridLayout;
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AddChoices( m_qtButtonGroup, m_qtGridLayout, n, choices, style, majorDim );
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m_qtGroupBox->setLayout(m_qtGridLayout);
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return QtCreateControl( parent, id, pos, size, style, val, name );
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}
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static QAbstractButton *GetButtonAt( const QButtonGroup *group, unsigned int n )
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{
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// It might be possible to coerce QButtonGroup::setId() and QButtonGroup::button( id )
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// to retrieve the button via an index. But for now the approach via QButtonGroup::buttons()
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// should be fast enough.
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QList< QAbstractButton * > buttons = group->buttons();
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return n < static_cast< unsigned >( buttons.size() ) ? buttons.at( n ) : NULL;
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}
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#define INVALID_INDEX_MESSAGE wxT( "invalid radio box index" )
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#define CHECK_BUTTON( button, rc ) \
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wxCHECK_MSG( button != NULL, rc, INVALID_INDEX_MESSAGE )
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bool wxRadioBox::Enable(unsigned int n, bool enable)
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{
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if ( enable && !m_qtGroupBox->isEnabled() )
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{
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m_qtGroupBox->setEnabled( true );
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for ( unsigned int i = 0; i < GetCount(); ++i )
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, i );
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CHECK_BUTTON( qtButton, false );
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qtButton->setEnabled( i == n );
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}
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}
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else
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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CHECK_BUTTON( qtButton, false );
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qtButton->setEnabled(enable);
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}
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return true;
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}
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bool wxRadioBox::Enable( bool enable )
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{
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if ( m_qtGroupBox->isEnabled() == enable )
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{
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for ( unsigned int i = 0; i < GetCount(); ++i )
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, i );
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CHECK_BUTTON( qtButton, false );
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qtButton->setEnabled( enable );
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}
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}
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m_qtGroupBox->setEnabled( enable );
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return true;
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}
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bool wxRadioBox::Show(unsigned int n, bool show)
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{
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if ( show && !m_qtGroupBox->isVisible() )
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{
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m_qtGroupBox->setVisible(true);
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for ( unsigned int i = 0; i < GetCount(); ++i )
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, i );
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CHECK_BUTTON( qtButton, false );
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i == n ? qtButton->setVisible( true ) : qtButton->setVisible( false );
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}
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}
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else
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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CHECK_BUTTON( qtButton, false );
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qtButton->setVisible( show );
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}
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return true;
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}
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bool wxRadioBox::Show( bool show )
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{
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if ( !wxControl::Show(show) )
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return false;
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if ( !m_qtGroupBox )
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return false;
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if( m_qtGroupBox->isVisible() == show )
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{
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for( unsigned int i = 0; i < GetCount(); ++i )
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, i );
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CHECK_BUTTON( qtButton, false );
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qtButton->setVisible( show );
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}
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}
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m_qtGroupBox->setVisible( show );
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return true;
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}
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bool wxRadioBox::IsItemEnabled(unsigned int n) const
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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CHECK_BUTTON( qtButton, false );
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return qtButton->isEnabled();
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}
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bool wxRadioBox::IsItemShown(unsigned int n) const
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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CHECK_BUTTON( qtButton, false );
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return qtButton->isVisible();
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}
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unsigned int wxRadioBox::GetCount() const
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{
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QList< QAbstractButton * > buttons = m_qtButtonGroup->buttons();
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return buttons.size();
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}
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wxString wxRadioBox::GetString(unsigned int n) const
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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CHECK_BUTTON( qtButton, wxEmptyString );
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return wxQtConvertString( qtButton->text() );
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}
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void wxRadioBox::SetString(unsigned int n, const wxString& s)
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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wxCHECK_RET( qtButton != NULL, INVALID_INDEX_MESSAGE );
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qtButton->setText( wxQtConvertString( s ));
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}
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void wxRadioBox::SetSelection(int n)
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{
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QAbstractButton *qtButton = GetButtonAt( m_qtButtonGroup, n );
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wxCHECK_RET( qtButton != NULL, INVALID_INDEX_MESSAGE );
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qtButton->setChecked( true );
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}
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int wxRadioBox::GetSelection() const
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{
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QAbstractButton *qtButton = m_qtButtonGroup->checkedButton();
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if ( qtButton != NULL )
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{
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QList< QAbstractButton * > buttons = m_qtButtonGroup->buttons();
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return buttons.indexOf( qtButton );
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}
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else
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return wxNOT_FOUND;
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}
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QWidget *wxRadioBox::GetHandle() const
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{
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return m_qtGroupBox;
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}
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