102 lines
3.0 KiB
C++
102 lines
3.0 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) 2023 KiCad Developers, see AUTHORS.txt for contributors.
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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 3
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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 <widgets/wx_treebook.h>
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#include <wx/panel.h>
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#include <wx/sizer.h>
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class LAZY_PAGE : public wxPanel
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{
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public:
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LAZY_PAGE( wxWindow* aParent, std::function<wxWindow*( wxWindow* aParent )> aLazyCtor ) :
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wxPanel( aParent, wxID_ANY ),
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m_lazyCtor( std::move( aLazyCtor ) ),
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m_mainSizer( nullptr ),
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m_contents( nullptr )
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{
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m_mainSizer = new wxBoxSizer( wxVERTICAL );
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SetSizer( m_mainSizer );
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}
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wxWindow* Resolve()
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{
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if( !m_contents )
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{
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m_contents = m_lazyCtor( this );
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m_mainSizer->Add( m_contents, 1, wxEXPAND, 5 );
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m_mainSizer->Layout();
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m_contents->TransferDataToWindow();
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}
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return m_contents;
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}
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bool Show( bool show ) override
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{
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if( show )
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Resolve();
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return wxPanel::Show( show );
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}
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private:
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std::function<wxWindow*( wxWindow* aParent )> m_lazyCtor;
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wxSizer* m_mainSizer;
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wxWindow* m_contents;
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};
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WX_TREEBOOK::WX_TREEBOOK( wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
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long style, const wxString& name ) :
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wxTreebook( parent, id, pos, size, style, name )
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{
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}
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bool WX_TREEBOOK::AddLazyPage( std::function<wxWindow*( wxWindow* aParent )> aLazyCtor,
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const wxString& text, bool bSelect, int imageId )
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{
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return AddPage( new LAZY_PAGE( this, std::move( aLazyCtor ) ), text, bSelect, imageId );
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}
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bool WX_TREEBOOK::AddLazySubPage( std::function<wxWindow*( wxWindow* aParent )> aLazyCtor,
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const wxString& text, bool bSelect, int imageId )
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{
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return AddSubPage( new LAZY_PAGE( this, std::move( aLazyCtor ) ), text, bSelect, imageId );
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}
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wxWindow* WX_TREEBOOK::ResolvePage( size_t aPage )
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{
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wxWindow* page = GetPage( aPage );
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if( LAZY_PAGE* lazyPage = dynamic_cast<LAZY_PAGE*>( page ) )
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return lazyPage->Resolve();
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return page;
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}
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