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kicad/common/base_screen.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2012 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2018 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file base_screen.cpp
* @brief BASE_SCREEN object implementation.
*/
#include <base_screen.h>
#include <base_struct.h>
#include <base_units.h>
#include <common.h>
#include <fctsys.h>
#include <id.h>
#include <math/util.h> // for KiROUND
#include <macros.h>
#include <trace_helpers.h>
wxString BASE_SCREEN::m_PageLayoutDescrFileName; // the name of the page layout descr file.
BASE_SCREEN::BASE_SCREEN( EDA_ITEM* aParent, KICAD_T aType ) :
EDA_ITEM( aParent, aType )
{
m_UndoRedoCountMax = DEFAULT_MAX_UNDO_ITEMS;
m_Initialized = false;
m_ScreenNumber = 1;
m_NumberOfScreens = 1; // Hierarchy: Root: ScreenNumber = 1
m_Zoom = 32.0;
m_Grid.m_Size = wxRealPoint( 50, 50 ); // Default grid size
m_Grid.m_CmdId = ID_POPUP_GRID_LEVEL_50;
m_Center = true;
m_IsPrinting = false;
m_FlagModified = false; // Set when any change is made on board.
m_FlagSave = false; // Used in auto save set when an auto save is required.
}
void BASE_SCREEN::InitDataPoints( const wxSize& aPageSizeIU )
{
if( m_Center )
{
m_crossHairPosition.x = 0;
m_crossHairPosition.y = 0;
m_DrawOrg.x = -aPageSizeIU.x / 2;
m_DrawOrg.y = -aPageSizeIU.y / 2;
}
else
{
m_crossHairPosition.x = aPageSizeIU.x / 2;
m_crossHairPosition.y = aPageSizeIU.y / 2;
m_DrawOrg.x = 0;
m_DrawOrg.y = 0;
}
m_LocalOrigin = { 0, 0 };
}
bool BASE_SCREEN::SetZoom( double iu_per_du )
{
if( iu_per_du == m_Zoom )
return false;
wxLogTrace( traceScreen, "Zoom:%.16g 1/Zoom:%.16g", iu_per_du, 1/iu_per_du );
if( iu_per_du < GetMinAllowedZoom() )
return false;
if( iu_per_du > GetMaxAllowedZoom() )
return false;
m_Zoom = iu_per_du;
return true;
}
int BASE_SCREEN::BuildGridsChoiceList( wxArrayString& aGridsList, bool aMmFirst) const
{
wxString msg;
wxRealPoint curr_grid_size = GetGridSize();
int idx = -1;
int idx_usergrid = -1;
for( size_t i = 0; i < GetGridCount(); i++ )
{
const GRID_TYPE& grid = m_grids[i];
double gridValueMils = To_User_Unit( EDA_UNITS::INCHES, grid.m_Size.x ) * 1000;
double gridValue_mm = To_User_Unit( EDA_UNITS::MILLIMETRES, grid.m_Size.x );
if( grid.m_CmdId == ID_POPUP_GRID_USER )
{
if( aMmFirst )
msg.Printf( _( "User grid: %.4f mm (%.2f mils)" ),
gridValue_mm, gridValueMils );
else
msg.Printf( _( "User grid: %.2f mils (%.4f mm)" ),
gridValueMils, gridValue_mm );
idx_usergrid = i;
}
else
{
if( aMmFirst )
msg.Printf( _( "Grid: %.4f mm (%.2f mils)" ),
gridValue_mm, gridValueMils );
else
msg.Printf( _( "Grid: %.2f mils (%.4f mm)" ),
gridValueMils, gridValue_mm );
}
aGridsList.Add( msg );
if( curr_grid_size == grid.m_Size )
idx = i;
}
if( idx < 0 )
idx = idx_usergrid;
return idx;
}
int BASE_SCREEN::SetGrid( const wxRealPoint& size )
{
wxASSERT( !m_grids.empty() );
GRID_TYPE nearest_grid = m_grids[0];
int gridIdx = 0;
for( GRID_TYPE& grid : m_grids )
{
if( grid.m_Size == size )
{
m_Grid = grid;
return grid.m_CmdId - ID_POPUP_GRID_LEVEL_1000;
}
// keep track of the nearest larger grid size, if the exact size is not found
if ( size.x < grid.m_Size.x )
{
gridIdx = grid.m_CmdId - ID_POPUP_GRID_LEVEL_1000;
nearest_grid = grid;
}
}
m_Grid = nearest_grid;
return gridIdx;
}
int BASE_SCREEN::SetGrid( int aCommandId )
{
wxASSERT( !m_grids.empty() );
for( GRID_TYPE& grid : m_grids )
{
if( grid.m_CmdId == aCommandId )
{
m_Grid = grid;
return grid.m_CmdId - ID_POPUP_GRID_LEVEL_1000;
}
}
m_Grid = m_grids[0];
return m_grids[0].m_CmdId - ID_POPUP_GRID_LEVEL_1000;
}
void BASE_SCREEN::AddGrid( const GRID_TYPE& aGrid )
{
for( GRID_TYPE& existing : m_grids )
{
if( existing.m_Size == aGrid.m_Size && aGrid.m_CmdId != ID_POPUP_GRID_USER )
{
wxLogTrace( traceScreen, "Discarding duplicate grid size( %g, %g ).",
aGrid.m_Size.x, aGrid.m_Size.y );
return;
}
if( existing.m_CmdId == aGrid.m_CmdId )
{
wxLogTrace( traceScreen, wxT( "Changing grid ID %d from size( %g, %g ) to " ) \
wxT( "size( %g, %g )." ),
aGrid.m_CmdId, existing.m_Size.x,
existing.m_Size.y, aGrid.m_Size.x, aGrid.m_Size.y );
existing.m_Size = aGrid.m_Size;
return;
}
}
m_grids.push_back( aGrid );
}
void BASE_SCREEN::AddGrid( const wxRealPoint& size, EDA_UNITS aUnit, int id )
{
wxRealPoint new_size;
GRID_TYPE new_grid;
new_size.x = From_User_Unit( aUnit, size.x );
new_size.y = From_User_Unit( aUnit, size.y );
new_grid.m_CmdId = id;
new_grid.m_Size = new_size;
AddGrid( new_grid );
}
GRID_TYPE& BASE_SCREEN::GetGrid( size_t aIndex )
{
wxCHECK_MSG( !m_grids.empty() && aIndex < m_grids.size(), m_Grid,
wxT( "Cannot get grid object outside the bounds of the grid list." ) );
return m_grids[ aIndex ];
}
bool BASE_SCREEN::GridExists( int aCommandId )
{
// tests for grid command ID (not an index in grid list, but a wxID) exists in grid list.
for( GRID_TYPE& grid : m_grids)
{
if( grid.m_CmdId == aCommandId )
return true;
}
return false;
}
wxPoint BASE_SCREEN::getNearestGridPosition( const wxPoint& aPosition,
const wxPoint& aGridOrigin ) const
{
wxPoint pt;
wxRealPoint gridSize = GetGridSize();
double offset = fmod( aGridOrigin.x, gridSize.x );
int x = KiROUND( (aPosition.x - offset) / gridSize.x );
pt.x = KiROUND( x * gridSize.x + offset );
offset = fmod( aGridOrigin.y, gridSize.y );
int y = KiROUND( (aPosition.y - offset) / gridSize.y );
pt.y = KiROUND ( y * gridSize.y + offset );
return pt;
}
void BASE_SCREEN::ClearUndoRedoList()
{
ClearUndoORRedoList( m_UndoList );
ClearUndoORRedoList( m_RedoList );
}
void BASE_SCREEN::PushCommandToUndoList( PICKED_ITEMS_LIST* aNewitem )
{
m_UndoList.PushCommand( aNewitem );
// Delete the extra items, if count max reached
if( m_UndoRedoCountMax > 0 )
{
int extraitems = GetUndoCommandCount() - m_UndoRedoCountMax;
if( extraitems > 0 )
ClearUndoORRedoList( m_UndoList, extraitems );
}
}
void BASE_SCREEN::PushCommandToRedoList( PICKED_ITEMS_LIST* aNewitem )
{
m_RedoList.PushCommand( aNewitem );
// Delete the extra items, if count max reached
if( m_UndoRedoCountMax > 0 )
{
int extraitems = GetRedoCommandCount() - m_UndoRedoCountMax;
if( extraitems > 0 )
ClearUndoORRedoList( m_RedoList, extraitems );
}
}
PICKED_ITEMS_LIST* BASE_SCREEN::PopCommandFromUndoList( )
{
return m_UndoList.PopCommand();
}
PICKED_ITEMS_LIST* BASE_SCREEN::PopCommandFromRedoList( )
{
return m_RedoList.PopCommand();
}
#if defined(DEBUG)
void BASE_SCREEN::Show( int nestLevel, std::ostream& os ) const
{
// for now, make it look like XML, expand on this later.
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() << ">\n";
/* this class will eventually go away, but here's a place holder until then.
for( EDA_ITEM* item = m_drawList; item; item = item->Next() )
{
item->Show( nestLevel+1, os );
}
*/
NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str() << ">\n";
}
#endif
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