/* * 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 * Copyright (C) 2012 Wayne Stambaugh * Copyright (C) 1992-2012 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 #include #include #include #include #include BASE_SCREEN::BASE_SCREEN( KICAD_T aType ) : EDA_ITEM( aType ) { m_UndoRedoCountMax = 10; // undo/Redo command Max depth, 10 is a reasonable value m_FirstRedraw = true; 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_Id = ID_POPUP_GRID_LEVEL_50; m_Center = true; m_IsPrinting = false; m_ScrollPixelsPerUnitX = 1; m_ScrollPixelsPerUnitY = 1; 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. SetCurItem( NULL ); } BASE_SCREEN::~BASE_SCREEN() { } 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_O_Curseur.x = m_O_Curseur.y = 0; } double BASE_SCREEN::GetScalingFactor() const { double scale = 1.0 / GetZoom(); return scale; } void BASE_SCREEN::SetScalingFactor( double aScale ) { // Limit zoom to max and min allowed values: double zoom = Clamp( GetMinAllowedZoom(), aScale, GetMaxAllowedZoom() ); SetZoom( zoom ); } bool BASE_SCREEN::SetFirstZoom() { return SetZoom( GetMinAllowedZoom() ); } bool BASE_SCREEN::SetLastZoom() { return SetZoom( GetMaxAllowedZoom() ); } bool BASE_SCREEN::SetZoom( double iu_per_du ) { if( iu_per_du == m_Zoom ) return false; //wxLogDebug( "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; } bool BASE_SCREEN::SetNextZoom() { for( unsigned i=0; i < m_ZoomList.size(); ++i ) { if( m_Zoom < m_ZoomList[i] ) { SetZoom( m_ZoomList[i] ); return true; } } return false; } bool BASE_SCREEN::SetPreviousZoom() { for( unsigned i = m_ZoomList.size(); i != 0; --i ) { if( m_Zoom > m_ZoomList[i - 1] ) { SetZoom( m_ZoomList[i - 1] ); return true; } } return false; } void BASE_SCREEN::SetGridList( GRIDS& gridlist ) { if( !m_grids.empty() ) m_grids.clear(); m_grids = gridlist; } void BASE_SCREEN::GetGrids( GRIDS& aList ) { for( size_t i = 0; i < m_grids.size(); i++ ) aList.push_back( m_grids[ i ] ); } void BASE_SCREEN::SetGrid( const wxRealPoint& size ) { wxASSERT( !m_grids.empty() ); GRID_TYPE nearest_grid = m_grids[0]; for( unsigned i = 0; i < m_grids.size(); i++ ) { if( m_grids[i].m_Size == size ) { m_Grid = m_grids[i]; return; } // keep track of the nearest larger grid size, if the exact size is not found if ( size.x < m_grids[i].m_Size.x ) nearest_grid = m_grids[i]; } m_Grid = nearest_grid; wxLogWarning( wxT( "Grid size( %f, %f ) not in grid list, falling back " ) \ wxT( "to grid size( %f, %f )." ), size.x, size.y, m_Grid.m_Size.x, m_Grid.m_Size.y ); } void BASE_SCREEN::SetGrid( int id ) { wxASSERT( !m_grids.empty() ); for( unsigned i = 0; i < m_grids.size(); i++ ) { if( m_grids[i].m_Id == id ) { m_Grid = m_grids[i]; return; } } m_Grid = m_grids[0]; wxLogWarning( wxT( "Grid ID %d not in grid list, falling back to " ) \ wxT( "grid size( %g, %g )." ), id, m_Grid.m_Size.x, m_Grid.m_Size.y ); } void BASE_SCREEN::AddGrid( const GRID_TYPE& grid ) { for( unsigned i = 0; i < m_grids.size(); i++ ) { if( m_grids[i].m_Size == grid.m_Size && grid.m_Id != ID_POPUP_GRID_USER ) { wxLogDebug( wxT( "Discarding duplicate grid size( %g, %g )." ), grid.m_Size.x, grid.m_Size.y ); return; } if( m_grids[i].m_Id == grid.m_Id ) { wxLogDebug( wxT( "Changing grid ID %d from size( %g, %g ) to " ) \ wxT( "size( %g, %g )." ), grid.m_Id, m_grids[i].m_Size.x, m_grids[i].m_Size.y, grid.m_Size.x, grid.m_Size.y ); m_grids[i].m_Size = grid.m_Size; return; } } m_grids.push_back( grid ); } void BASE_SCREEN::AddGrid( const wxRealPoint& size, int id ) { GRID_TYPE grid; grid.m_Size = size; grid.m_Id = id; AddGrid( grid ); } void BASE_SCREEN::AddGrid( const wxRealPoint& size, EDA_UNITS_T 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_Id = 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 ]; } wxPoint BASE_SCREEN::GetNearestGridPosition( const wxPoint& aPosition, wxRealPoint* aGridSize ) const { wxPoint pt; wxRealPoint gridSize; if( aGridSize ) gridSize = *aGridSize; else gridSize = GetGridSize(); wxPoint gridOrigin = m_GridOrigin; double offset = fmod( gridOrigin.x, gridSize.x ); int x = KiROUND( (aPosition.x - offset) / gridSize.x ); pt.x = KiROUND( x * gridSize.x + offset ); offset = fmod( gridOrigin.y, gridSize.y ); int y = KiROUND( (aPosition.y - offset) / gridSize.y ); pt.y = KiROUND ( y * gridSize.y + offset ); return pt; } wxPoint BASE_SCREEN::GetCursorPosition( bool aOnGrid, wxRealPoint* aGridSize ) const { if( aOnGrid ) return GetNearestGridPosition( m_crossHairPosition, aGridSize ); return m_crossHairPosition; } wxPoint BASE_SCREEN::GetCrossHairScreenPosition() const { wxPoint pos = m_crossHairPosition - m_DrawOrg; double scalar = GetScalingFactor(); pos.x = KiROUND( (double) pos.x * scalar ); pos.y = KiROUND( (double) pos.y * scalar ); return pos; } void BASE_SCREEN::SetCrossHairPosition( const wxPoint& aPosition, bool aSnapToGrid ) { if( aSnapToGrid ) m_crossHairPosition = GetNearestGridPosition( aPosition ); else m_crossHairPosition = aPosition; } 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 int extraitems = GetUndoCommandCount() - m_UndoRedoCountMax; if( extraitems > 0 ) // Delete the extra items ClearUndoORRedoList( m_UndoList, extraitems ); } void BASE_SCREEN::PushCommandToRedoList( PICKED_ITEMS_LIST* aNewitem ) { m_RedoList.PushCommand( aNewitem ); // Delete the extra items, if count max reached int extraitems = GetRedoCommandCount() - m_UndoRedoCountMax; if( extraitems > 0 ) // Delete the extra items 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 ) << "\n"; } #endif