kicad/eeschema/sch_field.cpp

599 lines
16 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2008-2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 2004-2011 KiCad Developers, see change_log.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 sch_field.cpp
* @brief Implementation of the SCH_FIELD class.
*/
/* 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 "class_drawpanel.h"
#include "base_struct.h"
#include "gr_basic.h"
#include "drawtxt.h"
#include "macros.h"
#include "trigo.h"
#include "wxEeschemaStruct.h"
#include "plot_common.h"
#include "general.h"
#include "protos.h"
#include "class_library.h"
#include "sch_component.h"
#include "sch_field.h"
#include "kicad_string.h"
SCH_FIELD::SCH_FIELD( const wxPoint& aPos, int aFieldId, SCH_COMPONENT* aParent, wxString aName ) :
SCH_ITEM( aParent, SCH_FIELD_T ),
EDA_TEXT()
{
m_Pos = aPos;
m_FieldId = aFieldId;
m_Attributs = TEXT_NO_VISIBLE;
m_Name = aName;
SetLayer( LAYER_FIELDS );
}
SCH_FIELD::SCH_FIELD( const SCH_FIELD& aField ) :
SCH_ITEM( aField ),
EDA_TEXT( aField )
{
m_FieldId = aField.m_FieldId;
m_Name = aField.m_Name;
}
SCH_FIELD::~SCH_FIELD()
{
}
EDA_ITEM* SCH_FIELD::doClone() const
{
return new SCH_FIELD( *this );
}
wxString SCH_FIELD::GetText() const
{
wxString text = m_Text;
/* For more than one part per package, we must add the part selection
* A, B, ... or 1, 2, .. to the reference. */
if( m_FieldId == REFERENCE )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) m_Parent;
wxCHECK_MSG( component != NULL, text,
wxT( "No component associated with field" ) + text );
text << LIB_COMPONENT::ReturnSubReference( component->GetUnit() );
}
return text;
}
int SCH_FIELD::GetPenSize() const
{
int pensize = m_Thickness;
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;
}
void SCH_FIELD::Draw( EDA_DRAW_PANEL* 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_Thickness;
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->GetTransform().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 = GetBoundingBox();
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 );
DrawGraphicText( panel, DC, textpos, color, GetText(), orient, m_Size, hjustify, vjustify,
LineWidth, m_Italic, m_Bold );
/* 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->GetPosition();
textpos = parentComponent->GetScreenCoord( textpos );
textpos += parentComponent->GetPosition();
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
}
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_Thickness = aSource.m_Thickness;
m_Attributs = aSource.m_Attributs;
m_Mirror = aSource.m_Mirror;
}
void SCH_FIELD::SwapData( SCH_ITEM* aItem )
{
wxCHECK_RET( (aItem != NULL) && (aItem->Type() == SCH_FIELD_T),
wxT( "Cannot swap field data with invalid item." ) );
SCH_FIELD* item = (SCH_FIELD*) aItem;
EXCHG( m_Text, item->m_Text );
EXCHG( m_Layer, item->m_Layer );
EXCHG( m_Pos, item->m_Pos );
EXCHG( m_Size, item->m_Size );
EXCHG( m_Thickness, item->m_Thickness );
EXCHG( m_Orient, item->m_Orient );
EXCHG( m_Mirror, item->m_Mirror );
EXCHG( m_Attributs, item->m_Attributs );
EXCHG( m_Italic, item->m_Italic );
EXCHG( m_Bold, item->m_Bold );
EXCHG( m_HJustify, item->m_HJustify );
EXCHG( m_VJustify, item->m_VJustify );
}
EDA_RECT SCH_FIELD::GetBoundingBox() 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->GetPosition();
pos1 = m_Pos - pos;
size.x = LenSize( m_Text );
size.y = m_Size.y;
hjustify = m_HJustify;
vjustify = m_VJustify;
pos2 = pos + parentComponent->GetTransform().TransformCoordinate( pos1 );
// Calculate the text orientation, according to the component orientation/mirror.
if( parentComponent->GetTransform().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->GetTransform().y1 )
{
/* is it mirrored (for text justify)*/
EXCHG( hjustify, vjustify );
if( parentComponent->GetTransform().x2 < 0 )
NEGATE( vjustify );
if( parentComponent->GetTransform().y1 > 0 )
NEGATE( hjustify );
}
else /* component horizontal: is it mirrored (for text justify)*/
{
if( parentComponent->GetTransform().x1 < 0 )
NEGATE( hjustify );
if( parentComponent->GetTransform().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_Thickness == 0 ) ? g_DrawDefaultLineThickness : m_Thickness;
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,
EscapedUTF8( m_Text ).c_str(), // wraps in quotes too
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", EscapedUTF8( m_Name ).c_str() ) == EOF )
{
return false;
}
}
if( fprintf( aFile, "\n" ) == EOF )
{
return false;
}
return true;
}
void SCH_FIELD::Place( SCH_EDIT_FRAME* frame, wxDC* DC )
{
frame->DrawPanel->SetMouseCapture( NULL, NULL );
SCH_COMPONENT* component = (SCH_COMPONENT*) GetParent();
// save old cmp in undo list
frame->SaveUndoItemInUndoList( component );
Draw( frame->DrawPanel, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
ClearFlags();
frame->GetScreen()->SetCurItem( NULL );
frame->OnModify();
}
bool SCH_FIELD::Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint * aFindLocation )
{
bool match;
match = SCH_ITEM::Matches( GetText(), aSearchData );
if( match )
{
if( aFindLocation )
*aFindLocation = GetBoundingBox().Centre();
return true;
}
return false;
}
void SCH_FIELD::Rotate( wxPoint rotationPoint )
{
RotatePoint( &m_Pos, rotationPoint, 900 );
}
wxString SCH_FIELD::GetSelectMenuText() const
{
wxString tmp;
tmp.Printf( _( "Field %s" ), GetChars( GetName() ) );
return tmp;
}
wxString SCH_FIELD::GetName() const
{
if( !m_Name.IsEmpty() )
return m_Name;
else
return TEMPLATE_FIELDNAME::GetDefaultFieldName( m_FieldId );
}
BITMAP_DEF SCH_FIELD::GetMenuImage() const
{
if( m_FieldId == REFERENCE )
return edit_comp_ref_xpm;
if( m_FieldId == VALUE )
return edit_comp_value_xpm;
if( m_FieldId == FOOTPRINT )
return edit_comp_footprint_xpm;
return edit_text_xpm;
}
bool SCH_FIELD::doHitTest( const wxPoint& aPoint, int aAccuracy ) const
{
// Do not hit test hidden or empty fields.
if( !IsVisible() || IsVoid() )
return false;
EDA_RECT rect = GetBoundingBox();
rect.Inflate( aAccuracy );
return rect.Contains( aPoint );
}
bool SCH_FIELD::doHitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
{
// Do not hit test hidden fields.
if( !IsVisible() || IsVoid() )
return false;
EDA_RECT rect = aRect;
rect.Inflate( aAccuracy );
if( aContained )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
/* Plot field text.
* Input:
* DrawLibItem: pointer to the component
* FieldNumber: Number Field
* IsMulti: true flag if there are several parts per package.
* Only useful for the field to add a reference to this one
* The identification from (A, B ...)
* DrawMode: trace mode
*/
void SCH_FIELD::doPlot( PLOTTER* aPlotter )
{
SCH_COMPONENT* parent = ( SCH_COMPONENT* ) GetParent();
wxCHECK_RET( parent != NULL && parent->Type() == SCH_COMPONENT_T,
wxT( "Cannot plot field with invalid parent." ) );
EDA_Colors color = UNSPECIFIED_COLOR;
color = ReturnLayerColor( GetLayer() );
if( m_Attributs & TEXT_NO_VISIBLE )
return;
if( IsVoid() )
return;
/* Calculate the text orientation, according to the component
* orientation/mirror */
int orient = m_Orient;
if( parent->GetTransform().y1 ) // Rotate component 90 deg.
{
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 = GetBoundingBox();
GRTextHorizJustifyType hjustify = GR_TEXT_HJUSTIFY_CENTER;
GRTextVertJustifyType vjustify = GR_TEXT_VJUSTIFY_CENTER;
wxPoint textpos = BoundaryBox.Centre();
int thickness = GetPenSize();
if( (parent->GetPartCount() <= 1) || (m_FieldId != REFERENCE) )
{
aPlotter->text( textpos, color, m_Text, orient, m_Size, hjustify, vjustify,
thickness, m_Italic, m_Bold );
}
else /* We plot the reference, for a multiple parts per package */
{
/* Adding A, B ... to the reference */
wxString Text = m_Text + LIB_COMPONENT::ReturnSubReference( parent->GetUnit() );
aPlotter->text( textpos, color, Text, orient, m_Size, hjustify, vjustify,
thickness, m_Italic, m_Bold );
}
}
void SCH_FIELD::doSetPosition( const wxPoint& aPosition )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) GetParent();
wxPoint pos = ( (SCH_COMPONENT*) GetParent() )->GetPosition();
// Actual positions are calculated by the rotation/mirror transform of the
// parent component of the field. The inverse transfrom is used to calculate
// the position relative to the parent component.
wxPoint pt = aPosition - pos;
m_Pos = pos + component->GetTransform().InverseTransform().TransformCoordinate( pt );
}
wxPoint SCH_FIELD::doGetPosition() const
{
SCH_COMPONENT* component = (SCH_COMPONENT*) GetParent();
wxPoint pos = m_Pos - component->GetPosition();
return component->GetTransform().TransformCoordinate( pos ) + component->GetPosition();
}