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kicad/common/base_screen.cpp

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/***************************************************************/
/* base_screen.cpp - fonctions des classes du type BASE_SCREEN */
/***************************************************************/
#ifdef __GNUG__
#pragma implementation
#endif
#include "fctsys.h"
#include "common.h"
/* defines locaux */
#define CURSOR_SIZE 12 /* taille de la croix du curseur PCB */
/*******************************************************/
/* Class BASE_SCREEN: classe de gestion d'un affichage */
/*******************************************************/
BASE_SCREEN::BASE_SCREEN( int idscreen, KICAD_T aType ) :
EDA_BaseStruct( aType )
{
EEDrawList = NULL; /* Schematic items list */
m_Type = idscreen;
m_ZoomList = NULL;
m_GridList = NULL;
m_UndoList = NULL;
m_RedoList = NULL;
m_UndoRedoCountMax = 1;
m_FirstRedraw = TRUE;
InitDatas();
}
/******************************/
BASE_SCREEN::~BASE_SCREEN()
/******************************/
{
if( m_ZoomList )
free( m_ZoomList );
if( m_GridList )
free( m_GridList );
ClearUndoRedoList();
}
/*******************************/
void BASE_SCREEN::InitDatas()
/*******************************/
{
m_ScreenNumber = m_NumberOfScreen = 1; /* Hierarchy: Root: ScreenNumber = 1 */
m_Zoom = 32;
m_Grid = wxSize( 50, 50 ); /* Default grid size */
m_UserGrid = g_UserGrid; /* User Default grid size */
m_UserGridIsON = FALSE;
m_UserGridUnit = g_UserGrid_Unit;
m_Diviseur_Grille = 1;
m_Center = TRUE;
/* Init draw offset and default page size */
switch( m_Type )
{
case SCHEMATIC_FRAME:
m_Center = FALSE;
m_CurrentSheetDesc = &g_Sheet_A4;
break;
default:
case CVPCB_DISPLAY_FRAME:
case MODULE_EDITOR_FRAME:
case PCB_FRAME:
m_CurrentSheetDesc = &g_Sheet_A4;
break;
case GERBER_FRAME:
m_CurrentSheetDesc = &g_Sheet_GERBER;
break;
}
if( m_Center )
{
m_Curseur.x = m_Curseur.y = 0;
m_DrawOrg.x = -ReturnPageSize().x / 2;
m_DrawOrg.y = -ReturnPageSize().y / 2;
}
else
{
m_DrawOrg.x = m_DrawOrg.y = 0;
m_Curseur.x = ReturnPageSize().x / 2;
m_Curseur.y = ReturnPageSize().y / 2;
}
// DrawOrg est rendu multiple du zoom min :
m_DrawOrg.x -= m_DrawOrg.x % 256;
m_DrawOrg.y -= m_DrawOrg.y % 256;
m_O_Curseur = m_Curseur;
SetCurItem( NULL );
/* indicateurs divers */
m_FlagRefreshReq = 0; /* Redraw screen requste flag */
m_FlagModified = 0; // Set when any change is made on borad
m_FlagSave = 1; // Used in auto save: set when an auto save is made
}
/******************************************************************/
wxPoint BASE_SCREEN::CursorRealPosition( const wxPoint& ScreenPos )
/******************************************************************/
{
wxPoint curpos;
// D(printf("curpos=%d,%d GetZoom=%d, mDrawOrg=%d,%d\n", curpos.x, curpos.y, GetZoom(), m_DrawOrg.x, m_DrawOrg.y );)
curpos.x = ScreenPos.x * GetZoom();
curpos.y = ScreenPos.y * GetZoom();
curpos.x += m_DrawOrg.x;
curpos.y += m_DrawOrg.y;
return curpos;
}
/***************************************/
int BASE_SCREEN::GetInternalUnits()
/***************************************/
{
switch( m_Type )
{
default:
case SCHEMATIC_FRAME:
return EESCHEMA_INTERNAL_UNIT;
break;
case GERBER_FRAME:
case CVPCB_DISPLAY_FRAME:
case MODULE_EDITOR_FRAME:
case PCB_FRAME:
return PCB_INTERNAL_UNIT;
}
}
/*****************************************/
wxSize BASE_SCREEN::ReturnPageSize()
/*****************************************/
/* Return in internal units the page size
* Note: the page size is handled in 1/1000 ", not in internal units
*/
{
wxSize PageSize;
switch( m_Type )
{
default:
case SCHEMATIC_FRAME:
PageSize = m_CurrentSheetDesc->m_Size;
break;
case GERBER_FRAME:
case CVPCB_DISPLAY_FRAME:
case MODULE_EDITOR_FRAME:
case PCB_FRAME:
PageSize.x = m_CurrentSheetDesc->m_Size.x * (PCB_INTERNAL_UNIT / 1000);
PageSize.y = m_CurrentSheetDesc->m_Size.y * (PCB_INTERNAL_UNIT / 1000);
break;
}
return PageSize;
}
/**************************************************/
void BASE_SCREEN::SetZoomList( const int* zoomlist )
/**************************************************/
/* init liste des zoom (NULL terminated)
*/
{
int nbitems;
const int* zoom;
// get list length
for( nbitems = 1, zoom = zoomlist; ; zoom++, nbitems++ )
{
if( *zoom == 0 )
break;
}
// resize our list
if( m_ZoomList )
free( m_ZoomList );
m_ZoomList = (int*) MyZMalloc( nbitems * sizeof(int) );
int ii;
for( ii = 0, zoom = zoomlist; ii < nbitems; zoom++, ii++ )
{
m_ZoomList[ii] = *zoom;
}
}
/***********************************/
void BASE_SCREEN::SetFirstZoom()
/***********************************/
{
m_Zoom = 1;
}
/******************************/
int BASE_SCREEN::GetZoom() const
/******************************/
{
return m_Zoom;
}
/***********************************/
void BASE_SCREEN::SetZoom( int coeff )
/***********************************/
{
m_Zoom = coeff;
if( m_Zoom < 1 )
m_Zoom = 1;
}
/********************************/
void BASE_SCREEN::SetNextZoom()
/********************************/
/* Selectionne le prochain coeff de zoom
*/
{
m_Zoom *= 2;
if( m_ZoomList == NULL )
return;
int ii, zoom_max = 512;
for( ii = 0; m_ZoomList[ii] != 0; ii++ )
zoom_max = m_ZoomList[ii];
if( m_Zoom > zoom_max )
m_Zoom = zoom_max;
}
/*************************************/
void BASE_SCREEN::SetPreviousZoom()
/*************************************/
/* Selectionne le precedent coeff de zoom
*/
{
m_Zoom /= 2;
if( m_Zoom < 1 )
m_Zoom = 1;
}
/**********************************/
void BASE_SCREEN::SetLastZoom()
/**********************************/
/* ajuste le coeff de zoom au max
*/
{
if( m_ZoomList == NULL )
return;
int ii;
for( ii = 0; m_ZoomList[ii] != 0; ii++ )
m_Zoom = m_ZoomList[ii];
}
/********************************************/
void BASE_SCREEN::SetGridList( wxSize* gridlist )
/********************************************/
/* init liste des zoom (NULL terminated)
*/
{
int ii, nbitems;
wxSize* grid;
// Decompte des items
for( nbitems = 0, grid = gridlist; ; grid++, nbitems++ )
{
if( (grid->x <= 0) || (grid->y <= 0) )
break;
}
// Init liste
if( m_GridList )
free( m_GridList );
m_GridList = (wxSize*) MyZMalloc( nbitems * sizeof(wxSize) );
for( ii = 0, grid = gridlist; ii < nbitems; grid++, ii++ )
{
m_GridList[ii] = *grid;
}
}
/**********************************************/
void BASE_SCREEN::SetGrid( const wxSize& size )
/**********************************************/
{
if( m_GridList == NULL )
return;
if( (size.x <= 0) || (size.y <= 0) )
{
m_UserGrid = g_UserGrid;
m_UserGridIsON = TRUE;
}
else
{
m_Grid = size;
m_UserGridIsON = FALSE;
}
}
/*********************************/
wxSize BASE_SCREEN::GetGrid()
/*********************************/
{
wxSize grid = m_Grid;
double xx, scale;
if( m_GridList == NULL )
return wxSize( 1, 1 );
if( m_UserGridIsON || m_Grid.x < 0 || m_Grid.y < 0 )
{
if( m_UserGridUnit == INCHES )
scale = 10000;
else
scale = 10000 / 25.4;
xx = m_UserGrid.x * scale;
grid.x = (int) (xx + 0.5);
xx = m_UserGrid.y * scale;
grid.y = (int) (xx + 0.5);
}
return grid;
}
/*********************************/
void BASE_SCREEN::SetNextGrid()
/*********************************/
/* Selectionne la prochaine grille
*/
{
int ii;
if( m_GridList == NULL )
return;
for( ii = 0; ; ii++ )
{
if( m_GridList[ii].x <= 0 )
break;
if( (m_Grid.x == m_GridList[ii].x) && (m_Grid.y == m_GridList[ii].y) )
break;
}
if( (m_GridList[ii].x > 0) && (ii > 0) )
m_Grid = m_GridList[ii - 1];
}
/*************************************/
void BASE_SCREEN::SetPreviousGrid()
/*************************************/
/* Selectionne le precedent coeff de grille
*/
{
int ii;
if( m_GridList == NULL )
return;
for( ii = 0; ; ii++ )
{
if( m_GridList[ii].x <= 0 )
break;
if( (m_Grid.x == m_GridList[ii].x) && (m_Grid.y == m_GridList[ii].y) )
break;
}
if( (m_GridList[ii].x > 0) && (m_GridList[ii + 1].x > 0) )
m_Grid = m_GridList[ii + 1];
}
/**********************************/
void BASE_SCREEN::SetFirstGrid()
/**********************************/
/* ajuste le coeff de grille a 1
*/
{
if( m_GridList == NULL )
return;
int ii = 0;
while( m_GridList[ii].x > 0 )
ii++;
m_Grid = m_GridList[ii - 1];
}
/**********************************/
void BASE_SCREEN::SetLastGrid()
/**********************************/
/* ajuste le coeff de grille au max
*/
{
if( m_GridList == NULL )
return;
m_Grid = m_GridList[0];
}
/*****************************************/
void BASE_SCREEN::ClearUndoRedoList()
/*****************************************/
/* free the undo and the redo lists
*/
{
EDA_BaseStruct* nextitem;
while( m_UndoList )
{
nextitem = m_UndoList->Pnext;
delete m_UndoList;
m_UndoList = nextitem;
}
while( m_RedoList )
{
nextitem = m_RedoList->Pnext;
delete m_RedoList;
m_RedoList = nextitem;
}
}
/***********************************************************/
void BASE_SCREEN::AddItemToUndoList( EDA_BaseStruct* newitem )
/************************************************************/
/* Put newitem in head of undo list
* Deletes olds items if > count max.
*/
{
int ii;
EDA_BaseStruct* item, * nextitem;
if( newitem == NULL )
return;
newitem->Pnext = m_UndoList;
m_UndoList = newitem;
/* Free first items, if count max reached */
for( ii = 0, item = m_UndoList; ii < m_UndoRedoCountMax; ii++ )
{
if( item->Pnext == NULL )
return;
item = item->Pnext;
}
if( item == NULL )
return;
nextitem = item->Pnext;
item->Pnext = NULL; // Set end of chain
// Delete the extra items
for( item = nextitem; item != NULL; item = nextitem )
{
nextitem = item->Pnext;
delete item;
}
}
/***********************************************************/
void BASE_SCREEN::AddItemToRedoList( EDA_BaseStruct* newitem )
/***********************************************************/
{
int ii;
EDA_BaseStruct* item, * nextitem;
if( newitem == NULL )
return;
newitem->Pnext = m_RedoList;
m_RedoList = newitem;
/* Free first items, if count max reached */
for( ii = 0, item = m_RedoList; ii < m_UndoRedoCountMax; ii++ )
{
if( item->Pnext == NULL )
break;
item = item->Pnext;
}
if( item == NULL )
return;
nextitem = item->Pnext;
item->Pnext = NULL; // Set end of chain
// Delete the extra items
for( item = nextitem; item != NULL; item = nextitem )
{
nextitem = item->Pnext;
delete item;
}
}
/*****************************************************/
EDA_BaseStruct* BASE_SCREEN::GetItemFromUndoList()
/*****************************************************/
{
EDA_BaseStruct* item = m_UndoList;
if( item )
m_UndoList = item->Pnext;
return item;
}
/******************************************************/
EDA_BaseStruct* BASE_SCREEN::GetItemFromRedoList()
/******************************************************/
{
EDA_BaseStruct* item = m_RedoList;
if( item )
m_RedoList = item->Pnext;
return item;
}
#if defined(DEBUG)
/**
* Function Show
* is used to output the object tree, currently for debugging only.
* @param nestLevel An aid to prettier tree indenting, and is the level
* of nesting of this object within the overall tree.
* @param os The ostream& to output to.
*/
void BASE_SCREEN::Show( int nestLevel, std::ostream& os )
{
EDA_BaseStruct* item = (EDA_BaseStruct*) EEDrawList; // @todo : use SCH_ITEM as type for item
// for now, make it look like XML, expand on this later.
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() <<
">\n";
for( ; item; item = item->Next() )
{
item->Show( nestLevel+1, os );
}
NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str() << ">\n";
}
#endif
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