panel_setup_buses.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 CERN
 * Copyright (C) 2021-2022 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Jon Evans <[email protected]>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#include <widgets/wx_grid.h>
#include <widgets/std_bitmap_button.h>
#include <confirm.h>
#include <sch_edit_frame.h>
#include <schematic.h>
#include <dialogs/panel_setup_buses.h>
#include "grid_tricks.h"
 
PANEL_SETUP_BUSES::PANEL_SETUP_BUSES( wxWindow* aWindow, SCH_EDIT_FRAME* aFrame ) :
 PANEL_SETUP_BUSES_BASE( aWindow ),
 m_frame( aFrame ),
 m_lastAlias( 0 ),
 m_membersGridDirty( false ),
 m_errorGrid( nullptr ),
 m_errorRow( -1 )
{
 m_membersLabelTemplate = m_membersLabel->GetLabel();
 
 m_addAlias->SetBitmap( KiBitmap( BITMAPS::small_plus ) );
 m_deleteAlias->SetBitmap( KiBitmap( BITMAPS::small_trash ) );
 m_addMember->SetBitmap( KiBitmap( BITMAPS::small_plus ) );
 m_removeMember->SetBitmap( KiBitmap( BITMAPS::small_trash ) );
 
 m_source->SetFont( KIUI::GetInfoFont( aWindow ) );
 
 m_aliasesGrid->SetSelectionMode( wxGrid::wxGridSelectRows );
 m_membersGrid->SetSelectionMode( wxGrid::wxGridSelectRows );
 
 m_aliasesGrid->PushEventHandler( new GRID_TRICKS( m_aliasesGrid,
 [this]( wxCommandEvent& aEvent )
 {
 OnAddAlias( aEvent );
 } ) );
 
 m_membersGrid->PushEventHandler( new GRID_TRICKS( m_membersGrid,
 [this]( wxCommandEvent& aEvent )
 {
 OnAddMember( aEvent );
 } ) );
 
 // wxFormBuilder doesn't include this event...
 m_aliasesGrid->Connect( wxEVT_GRID_CELL_CHANGING,
 wxGridEventHandler( PANEL_SETUP_BUSES::OnAliasesGridCellChanging ),
 nullptr, this );
 m_membersGrid->Connect( wxEVT_GRID_CELL_CHANGING,
 wxGridEventHandler( PANEL_SETUP_BUSES::OnMemberGridCellChanging ),
 nullptr, this );
 
 Layout();
}
 
 
PANEL_SETUP_BUSES::~PANEL_SETUP_BUSES()
{
 // Delete the GRID_TRICKS.
 m_aliasesGrid->PopEventHandler( true );
 m_membersGrid->PopEventHandler( true );
 
 m_aliasesGrid->Disconnect( wxEVT_GRID_CELL_CHANGING,
 wxGridEventHandler( PANEL_SETUP_BUSES::OnAliasesGridCellChanging ),
 nullptr, this );
 m_membersGrid->Disconnect( wxEVT_GRID_CELL_CHANGING,
 wxGridEventHandler( PANEL_SETUP_BUSES::OnMemberGridCellChanging ),
 nullptr, this );
}
 
bool PANEL_SETUP_BUSES::TransferDataToWindow()
{
 auto contains =
 [&]( const std::shared_ptr<BUS_ALIAS>& alias ) -> bool
 {
 wxString aName = alias->GetName();
 std::vector<wxString> aMembers = alias->Members();
 
 std::sort( aMembers.begin(), aMembers.end() );
 
 for( const std::shared_ptr<BUS_ALIAS>& candidate : m_aliases )
 {
 wxString bName = candidate->GetName();
 std::vector<wxString> bMembers = candidate->Members();
 
 std::sort( bMembers.begin(), bMembers.end() );
 
 if( aName == bName && aMembers == bMembers )
 return true;
 }
 
 return false;
 };
 
 SCH_SCREENS screens( m_frame->Schematic().Root() );
 
 // collect aliases from each open sheet
 for( SCH_SCREEN* screen = screens.GetFirst(); screen != nullptr; screen = screens.GetNext() )
 {
 for( const std::shared_ptr<BUS_ALIAS>& alias : screen->GetBusAliases() )
 {
 if( !contains( alias ) )
 m_aliases.push_back( alias->Clone() );
 }
 }
 
 int ii = 0;
 
 m_aliasesGrid->ClearRows();
 m_aliasesGrid->AppendRows( m_aliases.size() );
 
 for( const std::shared_ptr<BUS_ALIAS>& alias : m_aliases )
 m_aliasesGrid->SetCellValue( ii++, 0, alias->GetName() );
 
 m_membersBook->SetSelection( 1 );
 
 return true;
}
 
 
bool PANEL_SETUP_BUSES::TransferDataFromWindow()
{
 if( !m_aliasesGrid->CommitPendingChanges() || !m_membersGrid->CommitPendingChanges() )
 return false;
 
 // Copy names back just in case they didn't get caught on the GridCellChanging event
 for( int ii = 0; ii < m_aliasesGrid->GetNumberRows(); ++ii )
 m_aliases[ii]->SetName( m_aliasesGrid->GetCellValue( ii, 0 ) );
 
 SCH_SCREENS screens( m_frame->Schematic().Root() );
 
 for( SCH_SCREEN* screen = screens.GetFirst(); screen != nullptr; screen = screens.GetNext() )
 screen->ClearBusAliases();
 
 for( const std::shared_ptr<BUS_ALIAS>& alias : m_aliases )
 alias->GetParent()->AddBusAlias( alias );
 
 return true;
}
 
 
void PANEL_SETUP_BUSES::OnAddAlias( wxCommandEvent& aEvent )
{
 if( !m_aliasesGrid->CommitPendingChanges() || !m_membersGrid->CommitPendingChanges() )
 return;
 
 // New aliases get stored on the currently visible sheet
 m_aliases.push_back( std::make_shared<BUS_ALIAS>( m_frame->GetScreen() ) );
 
 int row = m_aliasesGrid->GetNumberRows();
 m_aliasesGrid->AppendRows();
 
 m_aliasesGrid->MakeCellVisible( row, 0 );
 m_aliasesGrid->SetGridCursor( row, 0 );
 
 m_aliasesGrid->EnableCellEditControl( true );
 m_aliasesGrid->ShowCellEditControl();
}
 
 
void PANEL_SETUP_BUSES::OnDeleteAlias( wxCommandEvent& aEvent )
{
 if( !m_aliasesGrid->CommitPendingChanges() || !m_membersGrid->CommitPendingChanges() )
 return;
 
 int curRow = m_aliasesGrid->GetGridCursorRow();
 
 if( curRow < 0 )
 return;
 
 // Clear the members grid first so we don't try to write it back to a deleted alias
 m_membersGrid->ClearRows();
 m_lastAlias = -1;
 m_lastAliasName = wxEmptyString;
 
 m_aliases.erase( m_aliases.begin() + curRow );
 
 m_aliasesGrid->DeleteRows( curRow, 1 );
 
 if( m_aliasesGrid->GetNumberRows() > 0 )
 {
 m_aliasesGrid->MakeCellVisible( std::max( 0, curRow-1 ), 0 );
 m_aliasesGrid->SelectRow( curRow-1 );
 }
}
 
 
void PANEL_SETUP_BUSES::OnAddMember( wxCommandEvent& aEvent )
{
 if( !m_membersGrid->CommitPendingChanges() )
 return;
 
 int row = m_membersGrid->GetNumberRows();
 m_membersGrid->AppendRows();
 
 m_membersGrid->MakeCellVisible( row, 0 );
 m_membersGrid->SetGridCursor( row, 0 );
 
 m_membersGrid->EnableCellEditControl( true );
 m_membersGrid->ShowCellEditControl();
}
 
 
void PANEL_SETUP_BUSES::OnRemoveMember( wxCommandEvent& aEvent )
{
 if( !m_membersGrid->CommitPendingChanges() )
 return;
 
 int curRow = m_membersGrid->GetGridCursorRow();
 
 if( curRow < 0 )
 return;
 
 m_membersGrid->DeleteRows( curRow, 1 );
 
 // Update the member list of the current bus alias from the members grid
 const std::shared_ptr<BUS_ALIAS>& alias = m_aliases[ m_lastAlias ];
 alias->Members().clear();
 
 for( int ii = 0; ii < m_membersGrid->GetNumberRows(); ++ii )
 alias->Members().push_back( m_membersGrid->GetCellValue( ii, 0 ) );
 
 if( m_membersGrid->GetNumberRows() > 0 )
 {
 m_membersGrid->MakeCellVisible( std::max( 0, curRow-1 ), 0 );
 m_membersGrid->SelectRow( curRow-1 );
 }
}
 
 
void PANEL_SETUP_BUSES::OnAliasesGridCellChanging( wxGridEvent& event )
{
 int row = event.GetRow();
 
 if( row >= 0 )
 {
 wxString name = event.GetString();
 
 for( int ii = 0; ii < m_aliasesGrid->GetNumberRows(); ++ii )
 {
 if( ii == event.GetRow() )
 continue;
 
 if( name == m_aliasesGrid->GetCellValue( ii, 0 )
 && m_aliases[ row ]->GetParent() == m_aliases[ ii ]->GetParent() )
 {
 m_errorMsg = wxString::Format( _( "Alias name '%s' already in use." ), name );
 m_errorGrid = m_aliasesGrid;
 m_errorRow = row;
 
 event.Veto();
 return;
 }
 }
 
 m_aliases[ row ]->SetName( name );
 }
}
 
 
void PANEL_SETUP_BUSES::OnMemberGridCellChanging( wxGridEvent& event )
{
 int row = event.GetRow();
 
 if( row >= 0 )
 {
 wxString name = event.GetString();
 
 if( name.IsEmpty() )
 {
 m_errorMsg = _( "Member net/alias name cannot be empty." );
 m_errorGrid = m_membersGrid;
 m_errorRow = event.GetRow();
 
 event.Veto();
 return;
 }
 
 const std::shared_ptr<BUS_ALIAS>& alias = m_aliases[ m_lastAlias ];
 
 alias->Members().clear();
 
 for( int ii = 0; ii < m_membersGrid->GetNumberRows(); ++ii )
 {
 if( ii == row )
 {
 // Parse a space-separated list and add each one
 wxStringTokenizer tok( name, " " );
 
 if( tok.CountTokens() > 1 )
 {
 m_membersGridDirty = true;
 Bind( wxEVT_IDLE, &PANEL_SETUP_BUSES::reloadMembersGridOnIdle, this );
 }
 
 while( tok.HasMoreTokens() )
 alias->Members().push_back( tok.GetNextToken() );
 }
 else
 {
 alias->Members().push_back( m_membersGrid->GetCellValue( ii, 0 ) );
 }
 }
 }
}
 
 
void PANEL_SETUP_BUSES::doReloadMembersGrid()
{
 if( m_lastAlias >= 0 && m_lastAlias < m_aliasesGrid->GetNumberRows() )
 {
 const std::shared_ptr<BUS_ALIAS>& alias = m_aliases[ m_lastAlias ];
 wxString source;
 wxString membersLabel;
 
 if( alias->GetParent() )
 {
 wxFileName sheet_name( alias->GetParent()->GetFileName() );
 source.Printf( wxS( "(" ) + sheet_name.GetFullName() + wxS( ")" ) );
 }
 
 membersLabel.Printf( m_membersLabelTemplate, m_lastAliasName );
 
 m_source->SetLabel( source );
 m_membersLabel->SetLabel( membersLabel );
 
 m_membersGrid->ClearRows();
 m_membersGrid->AppendRows( alias->Members().size() );
 
 int ii = 0;
 
 for( const wxString& member : alias->Members() )
 m_membersGrid->SetCellValue( ii++, 0, member );
 }
 
 m_membersGridDirty = false;
}
 
 
void PANEL_SETUP_BUSES::reloadMembersGridOnIdle( wxIdleEvent& aEvent )
{
 if( m_membersGridDirty )
 doReloadMembersGrid();
 
 Unbind( wxEVT_IDLE, &PANEL_SETUP_BUSES::reloadMembersGridOnIdle, this );
}
 
 
 
void PANEL_SETUP_BUSES::OnSizeGrid( wxSizeEvent& event )
{
 auto setColSize =
 []( WX_GRID* grid )
 {
 int colSize = std::max( grid->GetClientSize().x, grid->GetVisibleWidth( 0 ) );
 
 if( grid->GetColSize( 0 ) != colSize )
 grid->SetColSize( 0, colSize );
 };
 
 setColSize( m_aliasesGrid );
 setColSize( m_membersGrid );
 
 // Always propagate for a grid repaint (needed if the height changes, as well as width)
 event.Skip();
}
 
 
void PANEL_SETUP_BUSES::OnUpdateUI( wxUpdateUIEvent& event )
{
 // Handle a grid error. This is delayed to OnUpdateUI so that we can change focus
 // even when the original validation was triggered from a killFocus event.
 if( !m_errorMsg.IsEmpty() )
 {
 // We will re-enter this routine when the error dialog is displayed, so make
 // sure we don't keep putting up more dialogs.
 wxString errorMsg = m_errorMsg;
 m_errorMsg = wxEmptyString;
 
 DisplayErrorMessage( this, errorMsg );
 
 m_errorGrid->SetFocus();
 m_errorGrid->MakeCellVisible( m_errorRow, 0 );
 m_errorGrid->SetGridCursor( m_errorRow, 0 );
 
 m_errorGrid->EnableCellEditControl( true );
 m_errorGrid->ShowCellEditControl();
 
 return;
 }
 
 if( !m_membersGrid->IsCellEditControlShown() )
 {
 int row = -1;
 wxString aliasName;
 
 if( m_aliasesGrid->IsCellEditControlShown() )
 {
 row = m_aliasesGrid->GetGridCursorRow();
 wxGridCellEditor* cellEditor = m_aliasesGrid->GetCellEditor( row, 0 );
 
 if( wxTextEntry* txt = dynamic_cast<wxTextEntry*>( cellEditor->GetControl() ) )
 aliasName = txt->GetValue();
 
 cellEditor->DecRef();
 }
 else if( m_aliasesGrid->GetGridCursorRow() >= 0 )
 {
 row = m_aliasesGrid->GetGridCursorRow();
 aliasName = m_aliasesGrid->GetCellValue( row, 0 );
 }
 else if( m_lastAlias >= 0 && m_lastAlias < m_aliasesGrid->GetNumberRows() )
 {
 row = m_lastAlias;
 aliasName = m_lastAliasName;
 }
 
 if( row < 0 )
 {
 m_membersBook->SetSelection( 1 );
 }
 else if( row != m_lastAlias || aliasName != m_lastAliasName )
 {
 m_lastAlias = row;
 m_lastAliasName = aliasName;
 
 m_membersBook->SetSelection( 0 );
 m_membersBook->GetPage( 0 )->Layout();
 
 const std::shared_ptr<BUS_ALIAS>& alias = m_aliases[ row ];
 alias->SetName( aliasName );
 
 m_membersGridDirty = true;
 Bind( wxEVT_IDLE, &PANEL_SETUP_BUSES::reloadMembersGridOnIdle, this );
 }
 }
}