371 lines
9.7 KiB
C++
371 lines
9.7 KiB
C++
/* -*- 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 Henner Zeller <h.zeller@acm.org>
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* Copyright (C) 2014-2018 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 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 "component_tree.h"
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#include <generate_alias_info.h>
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#include <wxdataviewctrl_helpers.h>
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#include <wx/artprov.h>
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#include <wx/sizer.h>
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#include <wx/statbmp.h>
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#include <wx/html/htmlwin.h>
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#include <symbol_lib_table.h>
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COMPONENT_TREE::COMPONENT_TREE( wxWindow* aParent, SYMBOL_LIB_TABLE* aSymLibTable,
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CMP_TREE_MODEL_ADAPTER_BASE::PTR& aAdapter, WIDGETS aWidgets, wxHtmlWindow* aDetails )
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: wxPanel( aParent ),
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m_sym_lib_table( aSymLibTable ),
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m_adapter( aAdapter ),
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m_query_ctrl( nullptr ),
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m_details_ctrl( nullptr ),
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m_menuActive( false ),
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m_filtering( false )
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{
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// create space for context menu pointers, INVALID is the max value
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m_menus.resize( CMP_TREE_NODE::TYPE::INVALID + 1 );
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auto sizer = new wxBoxSizer( wxVERTICAL );
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// Search text control
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if( aWidgets & SEARCH )
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{
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auto search_sizer = new wxBoxSizer( wxHORIZONTAL );
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m_query_ctrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition,
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wxDefaultSize, wxTE_PROCESS_ENTER );
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// Additional visual cue for GTK, which hides the placeholder text on focus
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#ifdef __WXGTK__
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search_sizer->Add( new wxStaticBitmap( this, wxID_ANY,
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wxArtProvider::GetBitmap( wxART_FIND, wxART_FRAME_ICON ) ),
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0, wxALIGN_CENTER | wxALL, 5 );
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#endif
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search_sizer->Add( m_query_ctrl, 1, wxLEFT | wxTOP | wxEXPAND, 5 );
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sizer->Add( search_sizer, 0, wxEXPAND, 5 );
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m_query_ctrl->Bind( wxEVT_TEXT, &COMPONENT_TREE::onQueryText, this );
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m_query_ctrl->Bind( wxEVT_TEXT_ENTER, &COMPONENT_TREE::onQueryEnter, this );
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m_query_ctrl->Bind( wxEVT_CHAR_HOOK, &COMPONENT_TREE::onQueryCharHook, this );
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}
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// Component tree
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m_tree_ctrl =
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new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxDV_SINGLE );
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m_adapter->AttachTo( m_tree_ctrl );
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sizer->Add( m_tree_ctrl, 1, wxLEFT | wxTOP | wxEXPAND, 5 );
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// Description panel
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if( aWidgets & DETAILS )
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{
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if( !aDetails )
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{
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auto html_sz = ConvertDialogToPixels( wxPoint( 80, 80 ) );
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m_details_ctrl = new wxHtmlWindow(
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this, wxID_ANY, wxDefaultPosition, wxSize( html_sz.x, html_sz.y ),
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wxHW_SCROLLBAR_AUTO );
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sizer->Add( m_details_ctrl, 1, wxALL | wxEXPAND, 5 );
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}
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else
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{
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m_details_ctrl = aDetails;
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}
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m_details_ctrl->Bind( wxEVT_HTML_LINK_CLICKED, &COMPONENT_TREE::onDetailsLink, this );
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}
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SetSizer( sizer );
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m_tree_ctrl->Bind( wxEVT_DATAVIEW_ITEM_ACTIVATED, &COMPONENT_TREE::onTreeActivate, this );
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m_tree_ctrl->Bind( wxEVT_DATAVIEW_SELECTION_CHANGED, &COMPONENT_TREE::onTreeSelect, this );
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m_tree_ctrl->Bind( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, &COMPONENT_TREE::onContextMenu, this );
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Bind( COMPONENT_PRESELECTED, &COMPONENT_TREE::onPreselect, this );
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// If wxTextCtrl::SetHint() is called before binding wxEVT_TEXT, the event
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// handler will intermittently fire.
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if( m_query_ctrl )
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{
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m_query_ctrl->SetHint( _( "Search" ) );
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m_query_ctrl->SetFocus();
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m_query_ctrl->SetValue( wxEmptyString );
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}
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// There may be a part preselected in the model. Make sure it is displayed.
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postPreselectEvent();
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Layout();
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sizer->Fit( this );
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#ifdef __WXGTK__
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// Scrollbars must be always enabled to prevent an infinite event loop
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// more details: http://trac.wxwidgets.org/ticket/18141
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if( m_details_ctrl )
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m_details_ctrl->ShowScrollbars( wxSHOW_SB_ALWAYS, wxSHOW_SB_ALWAYS );
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#endif /* __WXGTK__ */
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}
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LIB_ID COMPONENT_TREE::GetSelectedLibId( int* aUnit ) const
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{
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auto sel = m_tree_ctrl->GetSelection();
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if( !sel )
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{
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LIB_ID emptyId;
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return emptyId;
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}
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if( aUnit )
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*aUnit = m_adapter->GetUnitFor( sel );
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return m_adapter->GetAliasFor( sel );
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}
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void COMPONENT_TREE::SelectLibId( const LIB_ID& aLibId )
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{
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selectIfValid( m_adapter->FindItem( aLibId ) );
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}
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void COMPONENT_TREE::Unselect()
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{
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m_tree_ctrl->UnselectAll();
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}
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void COMPONENT_TREE::Regenerate()
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{
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STATE current;
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// Store the state
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if( !m_filtering )
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m_unfilteredState = getState();
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wxString filter = m_query_ctrl->GetValue();
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m_adapter->UpdateSearchString( filter );
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m_filtering = !filter.IsEmpty();
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postPreselectEvent();
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// Restore the state
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if( !m_filtering )
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setState( m_unfilteredState );
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}
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void COMPONENT_TREE::SetFocus()
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{
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if( m_query_ctrl )
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m_query_ctrl->SetFocus();
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else
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m_tree_ctrl->SetFocus();
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}
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void COMPONENT_TREE::toggleExpand( const wxDataViewItem& aTreeId )
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{
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if( !aTreeId.IsOk() )
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return;
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if( m_tree_ctrl->IsExpanded( aTreeId ) )
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m_tree_ctrl->Collapse( aTreeId );
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else
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m_tree_ctrl->Expand( aTreeId );
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}
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void COMPONENT_TREE::selectIfValid( const wxDataViewItem& aTreeId )
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{
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if( aTreeId.IsOk() )
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{
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m_tree_ctrl->EnsureVisible( aTreeId );
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m_tree_ctrl->Select( aTreeId );
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postPreselectEvent();
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}
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}
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void COMPONENT_TREE::postPreselectEvent()
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{
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wxCommandEvent event( COMPONENT_PRESELECTED );
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wxPostEvent( this, event );
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}
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void COMPONENT_TREE::postSelectEvent()
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{
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wxCommandEvent event( COMPONENT_SELECTED );
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wxPostEvent( this, event );
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}
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COMPONENT_TREE::STATE COMPONENT_TREE::getState() const
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{
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STATE state;
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wxDataViewItemArray items;
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m_adapter->GetChildren( wxDataViewItem( nullptr ), items );
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for( const auto& item : items )
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{
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if( m_tree_ctrl->IsExpanded( item ) )
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state.expanded.push_back( item );
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}
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state.selection = GetSelectedLibId();
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return state;
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}
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void COMPONENT_TREE::setState( const STATE& aState )
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{
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m_tree_ctrl->Freeze();
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for( const auto& item : aState.expanded )
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m_tree_ctrl->Expand( item );
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// wxDataViewCtrl cannot be frozen when a selection
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// command is issued, otherwise it selects a random item (Windows)
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m_tree_ctrl->Thaw();
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if( !aState.selection.GetLibItemName().empty() || !aState.selection.GetLibNickname().empty() )
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SelectLibId( aState.selection );
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}
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void COMPONENT_TREE::onQueryText( wxCommandEvent& aEvent )
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{
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Regenerate();
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// Required to avoid interaction with SetHint()
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// See documentation for wxTextEntry::SetHint
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aEvent.Skip();
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}
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void COMPONENT_TREE::onQueryEnter( wxCommandEvent& aEvent )
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{
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if( GetSelectedLibId().IsValid() )
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postSelectEvent();
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}
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void COMPONENT_TREE::onQueryCharHook( wxKeyEvent& aKeyStroke )
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{
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auto const sel = m_tree_ctrl->GetSelection();
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auto type = sel.IsOk() ? m_adapter->GetTypeFor( sel ) : CMP_TREE_NODE::INVALID;
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switch( aKeyStroke.GetKeyCode() )
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{
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case WXK_UP:
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selectIfValid( GetPrevItem( *m_tree_ctrl, sel ) );
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break;
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case WXK_DOWN:
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selectIfValid( GetNextItem( *m_tree_ctrl, sel ) );
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break;
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case WXK_RETURN:
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if( type == CMP_TREE_NODE::LIB )
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{
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toggleExpand( sel );
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break;
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}
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/* fall through, so the selected component will be treated as the selected one */
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default:
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aKeyStroke.Skip(); // Any other key: pass on to search box directly.
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break;
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}
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}
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void COMPONENT_TREE::onTreeSelect( wxDataViewEvent& aEvent )
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{
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postPreselectEvent();
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}
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void COMPONENT_TREE::onTreeActivate( wxDataViewEvent& aEvent )
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{
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if( !GetSelectedLibId().IsValid() )
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{
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// Expand library/part units subtree
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toggleExpand( m_tree_ctrl->GetSelection() );
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}
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else
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{
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postSelectEvent();
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}
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}
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void COMPONENT_TREE::onDetailsLink( wxHtmlLinkEvent& aEvent )
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{
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const wxHtmlLinkInfo& info = aEvent.GetLinkInfo();
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::wxLaunchDefaultBrowser( info.GetHref() );
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}
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void COMPONENT_TREE::onPreselect( wxCommandEvent& aEvent )
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{
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if( m_details_ctrl )
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{
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int unit = 0;
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LIB_ID id = GetSelectedLibId( &unit );
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if( id.IsValid() )
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m_details_ctrl->SetPage( GenerateAliasInfo( m_sym_lib_table, id, unit ) );
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else
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m_details_ctrl->SetPage( wxEmptyString );
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}
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aEvent.Skip();
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}
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void COMPONENT_TREE::onContextMenu( wxDataViewEvent& aEvent )
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{
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auto const sel = m_tree_ctrl->GetSelection();
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auto type = sel.IsOk() ? m_adapter->GetTypeFor( sel ) : CMP_TREE_NODE::INVALID;
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if( m_menus[type] )
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{
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m_menuActive = true;
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PopupMenu( m_menus[type].get() );
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m_menuActive = false;
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}
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}
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wxDEFINE_EVENT( COMPONENT_PRESELECTED, wxCommandEvent );
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wxDEFINE_EVENT( COMPONENT_SELECTED, wxCommandEvent );
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