properties_panel.cpp

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/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 2020 CERN
 * Copyright (C) 2020-2022 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Maciej Suminski <[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 "properties_panel.h"
#include <tool/selection.h>
#include <eda_base_frame.h>
#include <eda_item.h>
#include <import_export.h>
#include <properties/pg_cell_renderer.h>
 
#include <algorithm>
#include <set>
 
#include <wx/settings.h>
#include <wx/stattext.h>
#include <wx/propgrid/advprops.h>
 
 
// This is provided by wx >3.3.0
#if !wxCHECK_VERSION( 3, 3, 0 )
extern APIIMPORT wxPGGlobalVarsClass* wxPGGlobalVars;
#endif
 
PROPERTIES_PANEL::PROPERTIES_PANEL( wxWindow* aParent, EDA_BASE_FRAME* aFrame ) :
 wxPanel( aParent ),
 m_frame( aFrame ),
 m_splitter_key_proportion( -1 )
{
 wxBoxSizer* mainSizer = new wxBoxSizer( wxVERTICAL );
 
 // on some platforms wxPGGlobalVars is initialized automatically,
 // but others need an explicit init
 if( !wxPGGlobalVars )
 wxPGInitResourceModule();
 
 // See https://gitlab.com/kicad/code/kicad/-/issues/12297
 // and https://github.com/wxWidgets/wxWidgets/issues/11787
 if( wxPGGlobalVars->m_mapEditorClasses.empty() )
 {
 wxPGEditor_TextCtrl = nullptr;
 wxPGEditor_Choice = nullptr;
 wxPGEditor_ComboBox = nullptr;
 wxPGEditor_TextCtrlAndButton = nullptr;
 wxPGEditor_CheckBox = nullptr;
 wxPGEditor_ChoiceAndButton = nullptr;
 wxPGEditor_SpinCtrl = nullptr;
 wxPGEditor_DatePickerCtrl = nullptr;
 }
 
 if( !dynamic_cast<PG_CELL_RENDERER*>( wxPGGlobalVars->m_defaultRenderer ) )
 {
 delete wxPGGlobalVars->m_defaultRenderer;
 wxPGGlobalVars->m_defaultRenderer = new PG_CELL_RENDERER();
 }
 
 m_caption = new wxStaticText( this, wxID_ANY, _( "No objects selected" ) );
 mainSizer->Add( m_caption, 0, wxALL | wxEXPAND, 5 );
 
 m_grid = new wxPropertyGrid( this, wxID_ANY, wxDefaultPosition, wxSize( 300, 400 ),
 wxPG_DEFAULT_STYLE );
 m_grid->SetUnspecifiedValueAppearance( wxPGCell( wxT( "<...>" ) ) );
 m_grid->SetExtraStyle( wxPG_EX_HELP_AS_TOOLTIPS );
 
#if wxCHECK_VERSION( 3, 3, 0 )
 m_grid->SetValidationFailureBehavior( wxPGVFBFlags::MarkCell );
#else
 m_grid->SetValidationFailureBehavior( wxPG_VFB_MARK_CELL );
#endif
 
 m_grid->AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_RETURN );
 m_grid->AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_NUMPAD_ENTER );
 m_grid->AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_DOWN );
 m_grid->AddActionTrigger( wxPG_ACTION_PREV_PROPERTY, WXK_UP );
 m_grid->AddActionTrigger( wxPG_ACTION_EDIT, WXK_SPACE );
 m_grid->DedicateKey( WXK_RETURN );
 m_grid->DedicateKey( WXK_NUMPAD_ENTER );
 m_grid->DedicateKey( WXK_DOWN );
 m_grid->DedicateKey( WXK_UP );
 mainSizer->Add( m_grid, 1, wxEXPAND, 5 );
 
 m_grid->SetCellDisabledTextColour( wxSystemSettings::GetColour( wxSYS_COLOUR_GRAYTEXT ) );
 
#ifdef __WXGTK__
 // Needed for dark mode, on wx 3.0 at least.
 m_grid->SetCaptionTextColour( wxSystemSettings::GetColour( wxSYS_COLOUR_CAPTIONTEXT ) );
#endif
 
 SetFont( KIUI::GetDockedPaneFont( this ) );
 
 SetSizer( mainSizer );
 Layout();
 
 m_grid->CenterSplitter();
 
 Connect( wxEVT_CHAR_HOOK, wxKeyEventHandler( PROPERTIES_PANEL::onCharHook ), nullptr, this );
 Connect( wxEVT_PG_CHANGED, wxPropertyGridEventHandler( PROPERTIES_PANEL::valueChanged ), nullptr, this );
 Connect( wxEVT_PG_CHANGING, wxPropertyGridEventHandler( PROPERTIES_PANEL::valueChanging ), nullptr, this );
 Connect( wxEVT_SHOW, wxShowEventHandler( PROPERTIES_PANEL::onShow ), nullptr, this );
 
 Bind( wxEVT_PG_COL_END_DRAG,
 [&]( wxPropertyGridEvent& )
 {
 m_splitter_key_proportion =
 static_cast<float>( m_grid->GetSplitterPosition() ) / m_grid->GetSize().x;
 } );
 
 Bind( wxEVT_SIZE,
 [&]( wxSizeEvent& aEvent )
 {
 CallAfter( [&]()
 {
 RecalculateSplitterPos();
 } );
 aEvent.Skip();
 } );
}
 
 
void PROPERTIES_PANEL::OnLanguageChanged()
{
 UpdateData();
}
 
 
void PROPERTIES_PANEL::rebuildProperties( const SELECTION& aSelection )
{
 auto reset =
 [&]()
 {
 if( m_grid->IsEditorFocused() )
 m_grid->CommitChangesFromEditor();
 
 m_grid->Clear();
 m_displayed.clear();
 };
 
 if( aSelection.Empty() )
 {
 m_caption->SetLabel( _( "No objects selected" ) );
 reset();
 return;
 }
 
 // Get all the selected types
 std::set<TYPE_ID> types;
 
 for( EDA_ITEM* item : aSelection )
 types.insert( TYPE_HASH( *item ) );
 
 wxCHECK( !types.empty(), /* void */ );
 
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 propMgr.SetUnits( m_frame->GetUserUnits() );
 propMgr.SetTransforms( &m_frame->GetOriginTransforms() );
 
 std::set<PROPERTY_BASE*> commonProps;
 const PROPERTY_LIST& allProperties = propMgr.GetProperties( *types.begin() );
 copy( allProperties.begin(), allProperties.end(), inserter( commonProps, commonProps.begin() ) );
 
 PROPERTY_DISPLAY_ORDER displayOrder = propMgr.GetDisplayOrder( *types.begin() );
 
 std::vector<wxString> groupDisplayOrder = propMgr.GetGroupDisplayOrder( *types.begin() );
 std::set<wxString> groups( groupDisplayOrder.begin(), groupDisplayOrder.end() );
 
 std::set<PROPERTY_BASE*> availableProps;
 
 // Get all possible properties
 for( const TYPE_ID& type : types )
 {
 const PROPERTY_LIST& itemProps = propMgr.GetProperties( type );
 
 const PROPERTY_DISPLAY_ORDER& itemDisplayOrder = propMgr.GetDisplayOrder( type );
 
 copy( itemDisplayOrder.begin(), itemDisplayOrder.end(),
 inserter( displayOrder, displayOrder.begin() ) );
 
 const std::vector<wxString>& itemGroups = propMgr.GetGroupDisplayOrder( type );
 
 for( const wxString& group : itemGroups )
  {
 if( !groups.count( group ) )
 {
 groupDisplayOrder.emplace_back( group );
 groups.insert( group );
 }
 }
 
 for( auto it = commonProps.begin(); it != commonProps.end(); /* ++it in the loop */ )
 {
 if( !binary_search( itemProps.begin(), itemProps.end(), *it ) )
 it = commonProps.erase( it );
 else
 ++it;
 }
 }
 
 EDA_ITEM* firstItem = aSelection.Front();
 bool isFootprintEditor = m_frame->IsType( FRAME_FOOTPRINT_EDITOR );
 
 // Find a set of properties that is common to all selected items
 for( PROPERTY_BASE* property : commonProps )
 {
 if( property->IsHiddenFromPropertiesManager() )
 continue;
 
 if( isFootprintEditor && property->IsHiddenFromLibraryEditors() )
 continue;
 
 if( propMgr.IsAvailableFor( TYPE_HASH( *firstItem ), property, firstItem ) )
 availableProps.insert( property );
 }
 
 bool writeable = true;
 std::set<PROPERTY_BASE*> existingProps;
 
 for( wxPropertyGridIterator it = m_grid->GetIterator(); !it.AtEnd(); it.Next() )
 {
 wxPGProperty* pgProp = it.GetProperty();
 PROPERTY_BASE* property = propMgr.GetProperty( TYPE_HASH( *firstItem ), pgProp->GetName() );
 
 // Switching item types? Property may no longer be valid
 if( !property )
 continue;
 
 wxVariant commonVal;
 
 extractValueAndWritability( aSelection, property, commonVal, writeable );
 pgProp->SetValue( commonVal );
 pgProp->Enable( writeable );
 
 existingProps.insert( property );
 }
 
 if( existingProps == availableProps )
 return;
 
 // Some difference exists: start from scratch
 reset();
 
 std::map<wxPGProperty*, int> pgPropOrders;
 std::map<wxString, std::vector<wxPGProperty*>> pgPropGroups;
 
 for( PROPERTY_BASE* property : availableProps )
 {
 wxPGProperty* pgProp = createPGProperty( property );
 wxVariant commonVal;
 
 if( !extractValueAndWritability( aSelection, property, commonVal, writeable ) )
 continue;
 
 if( pgProp )
 {
 pgProp->SetValue( commonVal );
 pgProp->Enable( writeable );
 m_displayed.push_back( property );
 
 wxASSERT( displayOrder.count( property ) );
 pgPropOrders[pgProp] = displayOrder[property];
 pgPropGroups[property->Group()].emplace_back( pgProp );
 }
 }
 
 if( aSelection.Size() > 1 )
 {
 m_caption->SetLabel( wxString::Format( _( "%d objects selected" ), aSelection.Size() ) );
 }
 else
 {
 m_caption->SetLabel( aSelection.Front()->GetFriendlyName() );
 }
 
 const wxString unspecifiedGroupCaption = _( "Basic Properties" );
 
 for( const wxString& groupName : groupDisplayOrder )
 {
 if( !pgPropGroups.count( groupName ) )
 continue;
 
 std::vector<wxPGProperty*>& properties = pgPropGroups[groupName];
 wxString groupCaption = wxGetTranslation( groupName );
 
 auto groupItem = new wxPropertyCategory( groupName.IsEmpty() ? unspecifiedGroupCaption
 : groupCaption );
 
 m_grid->Append( groupItem );
 
 std::sort( properties.begin(), properties.end(),
 [&]( wxPGProperty*& aFirst, wxPGProperty*& aSecond )
 {
 return pgPropOrders[aFirst] < pgPropOrders[aSecond];
 } );
 
 for( wxPGProperty* property : properties )
 m_grid->Append( property );
 }
 
 RecalculateSplitterPos();
}
 
 
bool PROPERTIES_PANEL::getItemValue( EDA_ITEM* aItem, PROPERTY_BASE* aProperty, wxVariant& aValue )
{
 const wxAny& any = aItem->Get( aProperty );
 bool converted = false;
 
 if( aProperty->HasChoices() )
 {
 // handle enums as ints, since there are no default conversion functions for wxAny
 int tmp;
 converted = any.GetAs<int>( &tmp );
 
 if( converted )
 aValue = wxVariant( tmp );
 }
 
 if( !converted ) // all other types
 converted = any.GetAs( &aValue );
 
 if( !converted )
 wxFAIL_MSG( wxS( "Could not convert wxAny to wxVariant" ) );
 
 return converted;
}
 
 
bool PROPERTIES_PANEL::extractValueAndWritability( const SELECTION& aSelection,
 PROPERTY_BASE* aProperty,
 wxVariant& aValue, bool& aWritable )
{
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 propMgr.SetUnits( m_frame->GetUserUnits() );
 propMgr.SetTransforms( &m_frame->GetOriginTransforms() );
 
 bool different = false;
 wxVariant commonVal;
 
 aWritable = true;
 
 for( EDA_ITEM* item : aSelection )
 {
 if( !propMgr.IsAvailableFor( TYPE_HASH( *item ), aProperty, item ) )
 return false;
 
 // If read-only for any of the selection, read-only for the whole selection.
 if( !aProperty->Writeable( item ) )
 aWritable = false;
 
 wxVariant value;
 
 if( getItemValue( item, aProperty, value ) )
 {
 // Null value indicates different property values between items
 if( !different && !aValue.IsNull() && value != aValue )
 {
 different = true;
 aValue.MakeNull();
 }
 else if( !different )
 {
 aValue = value;
 }
 }
 else
 {
 // getItemValue returned false -- not available for this item
 return false;
 }
 }
 
 return true;
}
 
 
void PROPERTIES_PANEL::onShow( wxShowEvent& aEvent )
{
 if( aEvent.IsShown() )
 UpdateData();
}
 
 
void PROPERTIES_PANEL::onCharHook( wxKeyEvent& aEvent )
{
 if( aEvent.GetKeyCode() == WXK_TAB && !aEvent.ShiftDown() )
 {
 m_grid->CommitChangesFromEditor();
 return;
 }
 
 if( aEvent.GetKeyCode() == WXK_SPACE )
 {
 if( wxPGProperty* prop = m_grid->GetSelectedProperty() )
 {
 if( prop->GetValueType() == wxT( "bool" ) )
 {
 m_grid->SetPropertyValue( prop, !prop->GetValue().GetBool() );
 return;
 }
 }
 }
 
 if( aEvent.GetKeyCode() == WXK_RETURN || aEvent.GetKeyCode() == WXK_NUMPAD_ENTER )
 {
 m_grid->CommitChangesFromEditor();
 /* don't skip this one; if we're not the last property we'll also go to the next row */
 }
 
 aEvent.Skip();
}
 
 
void PROPERTIES_PANEL::RecalculateSplitterPos()
{
 if( m_splitter_key_proportion < 0 )
 m_grid->CenterSplitter();
 else
 m_grid->SetSplitterPosition( m_splitter_key_proportion * m_grid->GetSize().x );
}
 
 
void PROPERTIES_PANEL::SetSplitterProportion( float aProportion )
{
 m_splitter_key_proportion = aProportion;
 RecalculateSplitterPos();
}