kicad/eeschema/sch_field.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2004-2017 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 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
*/
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#include <fctsys.h>
#include <sch_draw_panel.h>
#include <base_struct.h>
#include <gr_basic.h>
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#include <draw_graphic_text.h>
#include <macros.h>
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#include <sch_edit_frame.h>
#include <plotter.h>
#include <bitmaps.h>
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#include <general.h>
#include <class_library.h>
#include <sch_component.h>
#include <sch_field.h>
#include <kicad_string.h>
#include <trace_helpers.h>
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SCH_FIELD::SCH_FIELD( const wxPoint& aPos, int aFieldId, SCH_COMPONENT* aParent, const wxString& aName ) :
SCH_ITEM( aParent, SCH_FIELD_T ),
EDA_TEXT()
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{
SetTextPos( aPos );
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m_id = aFieldId;
m_name = aName;
SetVisible( false );
SetLayer( LAYER_FIELDS );
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}
SCH_FIELD::~SCH_FIELD()
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{
}
EDA_ITEM* SCH_FIELD::Clone() const
{
return new SCH_FIELD( *this );
}
const wxString SCH_FIELD::GetFullyQualifiedText() 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. */
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if( m_id == REFERENCE )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) m_Parent;
wxCHECK_MSG( component != NULL, text,
wxT( "No component associated with field" ) + text );
if( component->GetUnitCount() > 1 )
text << LIB_PART::SubReference( component->GetUnit() );
}
return text;
}
int SCH_FIELD::GetPenSize() const
{
int pensize = GetThickness();
if( pensize == 0 ) // Use default values for pen size
{
if( IsBold() )
pensize = GetPenSizeForBold( GetTextWidth() );
else
pensize = GetDefaultLineThickness();
}
// Clip pen size for small texts:
pensize = Clamp_Text_PenSize( pensize, GetTextSize(), IsBold() );
return pensize;
}
void SCH_FIELD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
GR_DRAWMODE aDrawMode, COLOR4D aColor )
{
int orient;
COLOR4D color;
wxPoint textpos;
SCH_COMPONENT* parentComponent = (SCH_COMPONENT*) m_Parent;
int lineWidth = GetThickness();
if( lineWidth == 0 ) // Use default values for pen size
{
if( IsBold() )
lineWidth = GetPenSizeForBold( GetTextWidth() );
else
lineWidth = GetDefaultLineThickness();
}
// Clip pen size for small texts:
lineWidth = Clamp_Text_PenSize( lineWidth, GetTextSize(), IsBold() );
if( ( !IsVisible() && !m_forceVisible) || IsVoid() )
return;
GRSetDrawMode( aDC, aDrawMode );
// Calculate the text orientation according to the component orientation.
orient = GetTextAngle();
if( parentComponent->GetTransform().y1 ) // Rotate component 90 degrees.
{
if( orient == TEXT_ANGLE_HORIZ )
orient = TEXT_ANGLE_VERT;
else
orient = TEXT_ANGLE_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();
textpos = boundaryBox.Centre() + aOffset;
if( m_forceVisible )
{
color = COLOR4D( DARKGRAY );
}
else
{
if( m_id == REFERENCE )
color = GetLayerColor( LAYER_REFERENCEPART );
else if( m_id == VALUE )
color = GetLayerColor( LAYER_VALUEPART );
else
color = GetLayerColor( LAYER_FIELDS );
}
EDA_RECT* clipbox = aPanel ? aPanel->GetClipBox() : NULL;
DrawGraphicText( clipbox, aDC, textpos, color, GetFullyQualifiedText(), orient, GetTextSize(),
GR_TEXT_HJUSTIFY_CENTER, GR_TEXT_VJUSTIFY_CENTER,
lineWidth, IsItalic(), IsBold() );
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// While moving: don't loose visual contact to which component this label belongs.
if ( IsWireImage() )
{
const wxPoint origin = parentComponent->GetPosition();
textpos = GetTextPos() - origin;
textpos = parentComponent->GetScreenCoord( textpos );
textpos += parentComponent->GetPosition();
GRLine( clipbox, aDC, origin, textpos, 2, DARKGRAY );
}
/* Enable this to draw the bounding box around the text field to validate
* the bounding box calculations.
*/
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#if 0
// Draw boundary box:
GRRect( aPanel->GetClipBox(), aDC, boundaryBox, 0, 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();
const int len = 10;
GRLine( clipbox, aDC,
textpos.x - len, textpos.y, textpos.x + len, textpos.y, 0, BLUE );
GRLine( clipbox, aDC,
textpos.x, textpos.y - len, textpos.x, textpos.y + len, 0, BLUE );
#endif
}
void SCH_FIELD::ImportValues( const LIB_FIELD& aSource )
{
SetEffects( aSource );
}
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void SCH_FIELD::ExportValues( LIB_FIELD& aDest ) const
{
aDest.SetId( GetId() );
aDest.SetText( m_Text ); // Set field value
aDest.SetName( GetName() );
aDest.SetEffects( *this );
}
void SCH_FIELD::SwapData( SCH_ITEM* aItem )
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{
wxCHECK_RET( (aItem != NULL) && (aItem->Type() == SCH_FIELD_T),
wxT( "Cannot swap field data with invalid item." ) );
SCH_FIELD* item = (SCH_FIELD*) aItem;
std::swap( m_Text, item->m_Text );
std::swap( m_Layer, item->m_Layer );
SwapEffects( *item );
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}
const EDA_RECT SCH_FIELD::GetBoundingBox() const
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{
SCH_COMPONENT* parentComponent = (SCH_COMPONENT*) m_Parent;
int linewidth = GetThickness() == 0 ? GetDefaultLineThickness() : GetThickness();
// We must pass the effective text thickness to GetTextBox
// when calculating the bounding box
linewidth = Clamp_Text_PenSize( linewidth, GetTextSize(), IsBold() );
// Calculate the text bounding box:
EDA_RECT rect;
if( m_id == REFERENCE ) // multi units have one letter or more added to reference
{
SCH_FIELD text( *this ); // Make a local copy to change text
// because GetBoundingBox() is const
text.SetText( GetFullyQualifiedText() );
rect = text.GetTextBox( -1, linewidth );
}
else
rect = GetTextBox( -1, linewidth );
// Calculate the bounding box position relative to the component:
wxPoint origin = parentComponent->GetPosition();
wxPoint pos = GetTextPos() - origin;
wxPoint begin = rect.GetOrigin() - origin;
wxPoint end = rect.GetEnd() - origin;
RotatePoint( &begin, pos, GetTextAngle() );
RotatePoint( &end, pos, GetTextAngle() );
// Due to the Y axis direction, we must mirror the bounding box,
// relative to the text position:
MIRROR( begin.y, pos.y );
MIRROR( end.y, pos.y );
// Now, apply the component transform (mirror/rot)
begin = parentComponent->GetTransform().TransformCoordinate( begin );
end = parentComponent->GetTransform().TransformCoordinate( end );
rect.SetOrigin( begin);
rect.SetEnd( end);
rect.Move( origin );
rect.Normalize();
return rect;
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}
bool SCH_FIELD::IsHorizJustifyFlipped() const
{
wxPoint render_center = GetBoundingBox().Centre();
wxPoint pos = GetPosition();
switch( GetHorizJustify() )
{
case GR_TEXT_HJUSTIFY_LEFT:
return render_center.x < pos.x;
case GR_TEXT_HJUSTIFY_RIGHT:
return render_center.x > pos.x;
default:
return false;
}
}
void SCH_FIELD::Place( SCH_EDIT_FRAME* frame, wxDC* DC )
{
frame->GetCanvas()->SetMouseCapture( NULL, NULL );
SCH_COMPONENT* component = (SCH_COMPONENT*) GetParent();
// save old cmp in undo list
frame->SaveUndoItemInUndoList( component );
Draw( frame->GetCanvas(), 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;
wxString text = GetFullyQualifiedText();
// User defined fields have an ID of -1.
if( ((m_id > VALUE || m_id < REFERENCE) && !(aSearchData.GetFlags() & FR_SEARCH_ALL_FIELDS))
|| ((m_id == REFERENCE) && !(aSearchData.GetFlags() & FR_REPLACE_REFERENCES)) )
return false;
wxLogTrace( traceFindItem, wxT( " child item " ) + GetSelectMenuText( MILLIMETRES ) );
// Take sheet path into account which effects the reference field and the unit for
// components with multiple parts.
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if( m_id == REFERENCE && aAuxData != NULL )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) m_Parent;
wxCHECK_MSG( component != NULL, false, wxT( "No symbol associated with field" ) + text );
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text = component->GetRef( (SCH_SHEET_PATH*) aAuxData );
if( component->GetUnitCount() > 1 )
text << LIB_PART::SubReference( component->GetUnit() );
}
match = SCH_ITEM::Matches( text, aSearchData );
if( match )
{
if( aFindLocation )
*aFindLocation = GetBoundingBox().Centre();
return true;
}
return false;
}
bool SCH_FIELD::IsReplaceable() const
{
if( m_id != VALUE )
return true;
SCH_COMPONENT* component = dynamic_cast<SCH_COMPONENT*>( GetParent() );
LIB_PART* part = component ? component->GetPartRef().lock().get() : nullptr;
bool isPower = part ? part->IsPower() : false;
return !isPower;
}
bool SCH_FIELD::Replace( wxFindReplaceData& aSearchData, void* aAuxData )
{
bool isReplaced;
wxString text = GetFullyQualifiedText();
if( m_id == REFERENCE )
{
wxCHECK_MSG( aAuxData != NULL, false,
wxT( "Cannot replace reference designator without valid sheet path." ) );
wxCHECK_MSG( aSearchData.GetFlags() & FR_REPLACE_REFERENCES, false,
wxT( "Invalid replace symbol reference field call." ) ) ;
SCH_COMPONENT* component = (SCH_COMPONENT*) m_Parent;
wxCHECK_MSG( component != NULL, false,
wxT( "No symbol associated with field" ) + text );
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text = component->GetRef( (SCH_SHEET_PATH*) aAuxData );
// if( component->GetUnitCount() > 1 )
// text << LIB_PART::SubReference( component->GetUnit() );
isReplaced = EDA_ITEM::Replace( aSearchData, text );
if( isReplaced )
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component->SetRef( (SCH_SHEET_PATH*) aAuxData, text );
}
else
{
isReplaced = EDA_ITEM::Replace( aSearchData, m_Text );
}
return isReplaced;
}
void SCH_FIELD::Rotate( wxPoint aPosition )
{
wxPoint pt = GetTextPos();
RotatePoint( &pt, aPosition, 900 );
SetTextPos( pt );
}
wxString SCH_FIELD::GetSelectMenuText( EDA_UNITS_T aUnits ) const
{
return wxString::Format( _( "Field %s" ), GetName() );
}
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wxString SCH_FIELD::GetName( bool aUseDefaultName ) const
{
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if( !m_name.IsEmpty() )
return m_name;
else if( aUseDefaultName )
return TEMPLATE_FIELDNAME::GetDefaultFieldName( m_id );
return wxEmptyString;
}
BITMAP_DEF SCH_FIELD::GetMenuImage() const
{
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if( m_id == REFERENCE )
return edit_comp_ref_xpm;
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if( m_id == VALUE )
return edit_comp_value_xpm;
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if( m_id == FOOTPRINT )
return edit_comp_footprint_xpm;
return edit_text_xpm;
}
bool SCH_FIELD::HitTest( const wxPoint& aPosition, 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( aPosition );
}
bool SCH_FIELD::HitTest( 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() );
}
void SCH_FIELD::Plot( PLOTTER* aPlotter )
{
SCH_COMPONENT* parent = ( SCH_COMPONENT* ) GetParent();
wxCHECK_RET( parent != NULL && parent->Type() == SCH_COMPONENT_T,
wxT( "Cannot plot field with invalid parent." ) );
COLOR4D color = GetLayerColor( GetLayer() );
if( !IsVisible() )
return;
if( IsVoid() )
return;
/* Calculate the text orientation, according to the component
* orientation/mirror */
int orient = GetTextAngle();
if( parent->GetTransform().y1 ) // Rotate component 90 deg.
{
if( orient == TEXT_ANGLE_HORIZ )
orient = TEXT_ANGLE_VERT;
else
orient = TEXT_ANGLE_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();
EDA_TEXT_HJUSTIFY_T hjustify = GR_TEXT_HJUSTIFY_CENTER;
EDA_TEXT_VJUSTIFY_T vjustify = GR_TEXT_VJUSTIFY_CENTER;
wxPoint textpos = BoundaryBox.Centre();
int thickness = GetPenSize();
aPlotter->Text( textpos, color, GetFullyQualifiedText(), orient, GetTextSize(),
hjustify, vjustify,
thickness, IsItalic(), IsBold() );
}
void SCH_FIELD::SetPosition( 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;
SetTextPos( pos + component->GetTransform().InverseTransform().TransformCoordinate( pt ) );
}
wxPoint SCH_FIELD::GetPosition() const
{
SCH_COMPONENT* component = (SCH_COMPONENT*) GetParent();
wxPoint pos = GetTextPos() - component->GetPosition();
return component->GetTransform().TransformCoordinate( pos ) + component->GetPosition();
}