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kicad/eeschema/sch_field.cpp

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/***********************************************/
/* sch_field.cpp : handle the class SCH_FIELD */
/***********************************************/
/* Fields are texts attached to a component, having a special meaning
* Fields 0 and 1 are very important: reference and value
* Field 2 is used as default footprint name.
* Field 3 is reserved (not currently used
* Fields 4 and more are user fields.
* They can be renamed and can appear in reports
*/
#include "fctsys.h"
#include "common.h"
#include "class_drawpanel.h"
#include "base_struct.h"
#include "gr_basic.h"
#include "drawtxt.h"
#include "macros.h"
#include "trigo.h"
#include "class_sch_screen.h"
#include "wxEeschemaStruct.h"
#include "general.h"
#include "protos.h"
#include "class_library.h"
#include "sch_component.h"
#include "sch_field.h"
#include "template_fieldnames.h"
SCH_FIELD::SCH_FIELD( const wxPoint& aPos, int aFieldId,
SCH_COMPONENT* aParent, wxString aName ) :
SCH_ITEM( aParent, DRAW_PART_TEXT_STRUCT_TYPE ),
EDA_TextStruct()
{
m_Pos = aPos;
m_FieldId = aFieldId;
m_AddExtraText = false;
m_Attributs = TEXT_NO_VISIBLE;
m_Name = aName;
SetLayer( LAYER_FIELDS );
}
SCH_FIELD::~SCH_FIELD()
{
}
/** Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
int SCH_FIELD::GetPenSize()
{
int pensize = m_Width;
if( pensize == 0 ) // Use default values for pen size
{
if( m_Bold )
pensize = GetPenSizeForBold( m_Size.x );
else
pensize = g_DrawDefaultLineThickness;
}
// Clip pen size for small texts:
pensize = Clamp_Text_PenSize( pensize, m_Size, m_Bold );
return pensize;
}
/**
* Draw schematic component fields.
*/
void SCH_FIELD::Draw( WinEDA_DrawPanel* panel, wxDC* DC,
const wxPoint& offset, int DrawMode, int Color )
{
int orient;
EDA_Colors color;
wxPoint textpos;
SCH_COMPONENT* parentComponent = (SCH_COMPONENT*) m_Parent;
int LineWidth = m_Width;
if( LineWidth == 0 ) // Use default values for pen size
{
if( m_Bold )
LineWidth = GetPenSizeForBold( m_Size.x );
else
LineWidth = g_DrawDefaultLineThickness;
}
// Clip pen size for small texts:
LineWidth = Clamp_Text_PenSize( LineWidth, m_Size, m_Bold );
if( ( m_Attributs & TEXT_NO_VISIBLE ) || IsVoid() )
return;
GRSetDrawMode( DC, DrawMode );
/* Calculate the text orientation, according to the component
* orientation/mirror */
orient = m_Orient;
if( parentComponent->m_Transform.y1 ) // Rotate component 90 degrees.
{
if( orient == TEXT_ORIENT_HORIZ )
orient = TEXT_ORIENT_VERT;
else
orient = TEXT_ORIENT_HORIZ;
}
/* Calculate the text justification, according to the component
* orientation/mirror this is a bit complicated due to cumulative
* calculations:
* - numerous cases (mirrored or not, rotation)
* - the DrawGraphicText function recalculate also H and H justifications
* according to the text orientation.
* - When a component is mirrored, the text is not mirrored and
* justifications are complicated to calculate
* so the more easily way is to use no justifications ( Centered text )
* and use GetBoundaryBox to know the text coordinate considered as centered
*/
EDA_Rect BoundaryBox = GetBoundaryBox();
GRTextHorizJustifyType hjustify = GR_TEXT_HJUSTIFY_CENTER;
GRTextVertJustifyType vjustify = GR_TEXT_VJUSTIFY_CENTER;
textpos = BoundaryBox.Centre();
if( m_FieldId == REFERENCE )
color = ReturnLayerColor( LAYER_REFERENCEPART );
else if( m_FieldId == VALUE )
color = ReturnLayerColor( LAYER_VALUEPART );
else
color = ReturnLayerColor( LAYER_FIELDS );
if( !m_AddExtraText || ( m_FieldId != REFERENCE ) )
{
DrawGraphicText( panel, DC, textpos, color, m_Text,
orient,
m_Size, hjustify, vjustify,
LineWidth, m_Italic, m_Bold );
}
else
{
/* For more than one part per package, we must add the part selection
* A, B, ... or 1, 2, .. to the reference. */
wxString fulltext = m_Text;
fulltext << LIB_COMPONENT::ReturnSubReference( parentComponent->m_Multi );
DrawGraphicText( panel, DC, textpos, color, fulltext,
orient,
m_Size, hjustify, vjustify,
LineWidth, m_Italic,
m_Bold, false );
}
/* Enable this to draw the bounding box around the text field to validate
* the bounding box calculations.
*/
#if 0
// Draw boundary box:
int x1 = BoundaryBox.GetX();
int y1 = BoundaryBox.GetY();
int x2 = BoundaryBox.GetRight();
int y2 = BoundaryBox.GetBottom();
GRRect( &panel->m_ClipBox, DC, x1, y1, x2, y2, BROWN );
// Draw the text anchor point
/* Calculate the text position, according to the component
* orientation/mirror */
textpos = m_Pos - parentComponent->m_Pos;
textpos = parentComponent->GetScreenCoord( textpos );
textpos += parentComponent->m_Pos;
x1 = textpos.x;
y1 = textpos.y;
int len = 10;
GRLine( &panel->m_ClipBox, DC, x1 - len, y1, x1 + len, y1, 0, BLUE );
GRLine( &panel->m_ClipBox, DC, x1, y1 - len, x1, y1 + len, 0, BLUE );
#endif
}
/**
* Function ImportValues
* copy parameters from a source.
* Pointers and specific values (position, texts) are not copied
* used to init a field from the model read from a lib entry
* @param aSource = the LIB_FIELD to read
*/
void SCH_FIELD::ImportValues( const LIB_FIELD& aSource )
{
m_Orient = aSource.m_Orient;
m_Size = aSource.m_Size;
m_HJustify = aSource.m_HJustify;
m_VJustify = aSource.m_VJustify;
m_Italic = aSource.m_Italic;
m_Bold = aSource.m_Bold;
m_Width = aSource.m_Width;
m_Attributs = aSource.m_Attributs;
m_Mirror = aSource.m_Mirror;
}
/**
* Used if undo / redo command:
* swap data between this and copyitem
*/
void SCH_FIELD::SwapData( SCH_FIELD* copyitem )
{
EXCHG( m_Text, copyitem->m_Text );
EXCHG( m_Layer, copyitem->m_Layer );
EXCHG( m_Pos, copyitem->m_Pos );
EXCHG( m_Size, copyitem->m_Size );
EXCHG( m_Width, copyitem->m_Width );
EXCHG( m_Orient, copyitem->m_Orient );
EXCHG( m_Mirror, copyitem->m_Mirror );
EXCHG( m_Attributs, copyitem->m_Attributs );
EXCHG( m_Italic, copyitem->m_Italic );
EXCHG( m_Bold, copyitem->m_Bold );
EXCHG( m_HJustify, copyitem->m_HJustify );
EXCHG( m_VJustify, copyitem->m_VJustify );
}
/**
* Function GetBoundaryBox()
* @return an EDA_Rect contains the real (user coordinates) boundary box for
* a text field,
* according to the component position, rotation, mirror ...
*/
EDA_Rect SCH_FIELD::GetBoundaryBox() const
{
EDA_Rect BoundaryBox;
int hjustify, vjustify;
int orient;
wxSize size;
wxPoint pos1, pos2;
SCH_COMPONENT* parentComponent = (SCH_COMPONENT*) m_Parent;
orient = m_Orient;
wxPoint pos = parentComponent->m_Pos;
pos1 = m_Pos - pos;
size.x = LenSize( m_Text );
size.y = m_Size.y;
hjustify = m_HJustify;
vjustify = m_VJustify;
pos2 = pos + parentComponent->m_Transform.TransformCoordinate( pos1 );
/* Calculate the text orientation, according to the component
* orientation/mirror */
if( parentComponent->m_Transform.y1 )
{
if( orient == TEXT_ORIENT_HORIZ )
orient = TEXT_ORIENT_VERT;
else
orient = TEXT_ORIENT_HORIZ;
}
/* Calculate the text justification, according to the component
* orientation/mirror */
if( parentComponent->m_Transform.y1 )
{
/* is it mirrored (for text justify)*/
EXCHG( hjustify, vjustify );
if( parentComponent->m_Transform.x2 < 0 )
NEGATE( vjustify );
if( parentComponent->m_Transform.y1 > 0 )
NEGATE( hjustify );
}
else /* component horizontal: is it mirrored (for text justify)*/
{
if( parentComponent->m_Transform.x1 < 0 )
NEGATE( hjustify );
if( parentComponent->m_Transform.y2 > 0 )
NEGATE( vjustify );
}
if( orient == TEXT_ORIENT_VERT )
EXCHG( size.x, size.y );
switch( hjustify )
{
case GR_TEXT_HJUSTIFY_CENTER:
pos1.x = pos2.x - (size.x / 2);
break;
case GR_TEXT_HJUSTIFY_RIGHT:
pos1.x = pos2.x - size.x;
break;
default:
pos1.x = pos2.x;
break;
}
switch( vjustify )
{
case GR_TEXT_VJUSTIFY_CENTER:
pos1.y = pos2.y - (size.y / 2);
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
pos1.y = pos2.y - size.y;
break;
default:
pos1.y = pos2.y;
break;
}
BoundaryBox.SetOrigin( pos1 );
BoundaryBox.SetSize( size );
// Take thickness in account:
int linewidth = ( m_Width == 0 ) ? g_DrawDefaultLineThickness : m_Width;
BoundaryBox.Inflate( linewidth, linewidth );
return BoundaryBox;
}
bool SCH_FIELD::Save( FILE* aFile ) const
{
char hjustify = 'C';
if( m_HJustify == GR_TEXT_HJUSTIFY_LEFT )
hjustify = 'L';
else if( m_HJustify == GR_TEXT_HJUSTIFY_RIGHT )
hjustify = 'R';
char vjustify = 'C';
if( m_VJustify == GR_TEXT_VJUSTIFY_BOTTOM )
vjustify = 'B';
else if( m_VJustify == GR_TEXT_VJUSTIFY_TOP )
vjustify = 'T';
if( fprintf( aFile, "F %d \"%s\" %c %-3d %-3d %-3d %4.4X %c %c%c%c",
m_FieldId,
CONV_TO_UTF8( m_Text ),
m_Orient == TEXT_ORIENT_HORIZ ? 'H' : 'V',
m_Pos.x, m_Pos.y,
m_Size.x,
m_Attributs,
hjustify, vjustify,
m_Italic ? 'I' : 'N',
m_Bold ? 'B' : 'N' ) == EOF )
{
return false;
}
// Save field name, if the name is user definable
if( m_FieldId >= FIELD1 )
{
if( fprintf( aFile, " \"%s\"", CONV_TO_UTF8( m_Name ) ) == EOF )
{
return false;
}
}
if( fprintf( aFile, "\n" ) == EOF )
{
return false;
}
return true;
}
void SCH_FIELD::Place( WinEDA_SchematicFrame* frame, wxDC* DC )
{
int fieldNdx;
LIB_COMPONENT* Entry;
frame->DrawPanel->ManageCurseur = NULL;
frame->DrawPanel->ForceCloseManageCurseur = NULL;
SCH_COMPONENT* component = (SCH_COMPONENT*) GetParent();
// save old cmp in undo list
if( g_ItemToUndoCopy && ( g_ItemToUndoCopy->Type() == component->Type() ) )
{
component->SwapData( (SCH_COMPONENT*) g_ItemToUndoCopy );
frame->SaveCopyInUndoList( component, UR_CHANGED );
component->SwapData( (SCH_COMPONENT*) g_ItemToUndoCopy );
}
fieldNdx = m_FieldId;
m_AddExtraText = 0;
if( fieldNdx == REFERENCE )
{
Entry = CMP_LIBRARY::FindLibraryComponent( component->m_ChipName );
if( Entry != NULL )
{
if( Entry->GetPartCount() > 1 )
m_AddExtraText = 1;
}
}
Draw( frame->DrawPanel, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
m_Flags = 0;
frame->GetScreen()->SetCurItem( NULL );
frame->OnModify();
frame->SetCurrentField( NULL );
}
bool SCH_FIELD::Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint * aFindLocation )
{
bool match;
if( aAuxData && m_FieldId == REFERENCE )
{
// reference is a special field because:
// >> a part identifier is added in multi parts per package
// (the .m_AddExtraText of the field is set in this case )
// >> In complex hierarchies, the actual reference depend on the sheet path.
SCH_COMPONENT* pSch = (SCH_COMPONENT*) m_Parent;
SCH_SHEET_PATH* sheet = (SCH_SHEET_PATH*) aAuxData;
wxString fulltext = pSch->GetRef( sheet );
if( m_AddExtraText )
{
/* For more than one part per package, we must add the part selection
* A, B, ... or 1, 2, .. to the reference. */
int part_id = pSch->GetUnitSelection( sheet );
fulltext << LIB_COMPONENT::ReturnSubReference( part_id );
}
match = SCH_ITEM::Matches( fulltext, aSearchData );
}
else
match = SCH_ITEM::Matches( m_Text, aSearchData );
if( match )
{
EDA_Rect BoundaryBox = GetBoundaryBox();
if( aFindLocation )
*aFindLocation = GetBoundaryBox().Centre();
return true;
}
return false;
}
void SCH_FIELD::Rotate( wxPoint rotationPoint )
{
RotatePoint( &m_Pos, rotationPoint, 900 );
}
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