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kicad/eeschema/sch_text.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2015 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2022 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
*/
#include <base_units.h>
#include <pgm_base.h>
#include <sch_edit_frame.h>
#include <plotters/plotter.h>
#include <widgets/msgpanel.h>
#include <bitmaps.h>
#include <string_utils.h>
#include <sch_text.h>
#include <schematic.h>
#include <settings/color_settings.h>
#include <sch_painter.h>
#include <default_values.h>
#include <wx/debug.h>
#include <wx/log.h>
#include <dialogs/html_message_box.h>
#include <project/project_file.h>
#include <project/net_settings.h>
#include <core/mirror.h>
#include <core/kicad_algo.h>
#include <tools/sch_navigate_tool.h>
#include <trigo.h>
using KIGFX::SCH_RENDER_SETTINGS;
TEXT_SPIN_STYLE TEXT_SPIN_STYLE::RotateCW()
{
SPIN newSpin = m_spin;
switch( m_spin )
{
case TEXT_SPIN_STYLE::LEFT: newSpin = TEXT_SPIN_STYLE::UP; break;
case TEXT_SPIN_STYLE::UP: newSpin = TEXT_SPIN_STYLE::RIGHT; break;
case TEXT_SPIN_STYLE::RIGHT: newSpin = TEXT_SPIN_STYLE::BOTTOM; break;
case TEXT_SPIN_STYLE::BOTTOM: newSpin = TEXT_SPIN_STYLE::LEFT; break;
}
return TEXT_SPIN_STYLE( newSpin );
}
TEXT_SPIN_STYLE TEXT_SPIN_STYLE::RotateCCW()
{
SPIN newSpin = m_spin;
switch( m_spin )
{
case TEXT_SPIN_STYLE::LEFT: newSpin = TEXT_SPIN_STYLE::BOTTOM; break;
case TEXT_SPIN_STYLE::BOTTOM: newSpin = TEXT_SPIN_STYLE::RIGHT; break;
case TEXT_SPIN_STYLE::RIGHT: newSpin = TEXT_SPIN_STYLE::UP; break;
case TEXT_SPIN_STYLE::UP: newSpin = TEXT_SPIN_STYLE::LEFT; break;
}
return TEXT_SPIN_STYLE( newSpin );
}
TEXT_SPIN_STYLE TEXT_SPIN_STYLE::MirrorX()
{
SPIN newSpin = m_spin;
switch( m_spin )
{
case TEXT_SPIN_STYLE::UP: newSpin = TEXT_SPIN_STYLE::BOTTOM; break;
case TEXT_SPIN_STYLE::BOTTOM: newSpin = TEXT_SPIN_STYLE::UP; break;
case TEXT_SPIN_STYLE::LEFT: break;
case TEXT_SPIN_STYLE::RIGHT: break;
}
return TEXT_SPIN_STYLE( newSpin );
}
TEXT_SPIN_STYLE TEXT_SPIN_STYLE::MirrorY()
{
SPIN newSpin = m_spin;
switch( m_spin )
{
case TEXT_SPIN_STYLE::LEFT: newSpin = TEXT_SPIN_STYLE::RIGHT; break;
case TEXT_SPIN_STYLE::RIGHT: newSpin = TEXT_SPIN_STYLE::LEFT; break;
case TEXT_SPIN_STYLE::UP: break;
case TEXT_SPIN_STYLE::BOTTOM: break;
}
return TEXT_SPIN_STYLE( newSpin );
}
SCH_TEXT::SCH_TEXT( const VECTOR2I& pos, const wxString& text, KICAD_T aType ) :
SCH_ITEM( nullptr, aType ),
EDA_TEXT( schIUScale, text )
{
m_layer = LAYER_NOTES;
SetTextPos( pos );
SetTextSpinStyle( TEXT_SPIN_STYLE::LEFT );
SetMultilineAllowed( true );
}
SCH_TEXT::SCH_TEXT( const SCH_TEXT& aText ) :
SCH_ITEM( aText ),
EDA_TEXT( aText ),
m_spin_style( aText.m_spin_style )
{ }
VECTOR2I SCH_TEXT::GetSchematicTextOffset( const RENDER_SETTINGS* aSettings ) const
{
return VECTOR2I( 0, 0 );
}
void SCH_TEXT::MirrorHorizontally( int aCenter )
{
// Text is NOT really mirrored; it is moved to a suitable horizontal position
SetTextSpinStyle( GetTextSpinStyle().MirrorY() );
SetTextX( MIRRORVAL( GetTextPos().x, aCenter ) );
}
void SCH_TEXT::MirrorVertically( int aCenter )
{
// Text is NOT really mirrored; it is moved to a suitable vertical position
SetTextSpinStyle( GetTextSpinStyle().MirrorX() );
SetTextY( MIRRORVAL( GetTextPos().y, aCenter ) );
}
void SCH_TEXT::Rotate( const VECTOR2I& aCenter )
{
VECTOR2I pt = GetTextPos();
RotatePoint( pt, aCenter, ANGLE_90 );
VECTOR2I offset = pt - GetTextPos();
Rotate90( false );
SetTextPos( GetTextPos() + offset );
}
void SCH_TEXT::Rotate90( bool aClockwise )
{
if( aClockwise )
SetTextSpinStyle( GetTextSpinStyle().RotateCW() );
else
SetTextSpinStyle( GetTextSpinStyle().RotateCCW() );
}
void SCH_TEXT::MirrorSpinStyle( bool aLeftRight )
{
if( aLeftRight )
SetTextSpinStyle( GetTextSpinStyle().MirrorY() );
else
SetTextSpinStyle( GetTextSpinStyle().MirrorX() );
}
void SCH_TEXT::SetTextSpinStyle( TEXT_SPIN_STYLE aSpinStyle )
{
m_spin_style = aSpinStyle;
// Assume "Right" and Left" mean which side of the anchor the text will be on
// Thus we want to left justify text up against the anchor if we are on the right
switch( aSpinStyle )
{
default:
wxFAIL_MSG( "Bad spin style" );
m_spin_style = TEXT_SPIN_STYLE::RIGHT; // Handle the error spin style by resetting
KI_FALLTHROUGH;
case TEXT_SPIN_STYLE::RIGHT: // Horiz Normal Orientation
SetTextAngle( ANGLE_HORIZONTAL );
SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
break;
case TEXT_SPIN_STYLE::UP: // Vert Orientation UP
SetTextAngle( ANGLE_VERTICAL );
SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
break;
case TEXT_SPIN_STYLE::LEFT: // Horiz Orientation - Right justified
SetTextAngle( ANGLE_HORIZONTAL );
SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
break;
case TEXT_SPIN_STYLE::BOTTOM: // Vert Orientation BOTTOM
SetTextAngle( ANGLE_VERTICAL );
SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
break;
}
SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
}
void SCH_TEXT::SwapData( SCH_ITEM* aItem )
{
SCH_TEXT* item = static_cast<SCH_TEXT*>( aItem );
std::swap( m_layer, item->m_layer );
std::swap( m_spin_style, item->m_spin_style );
SwapText( *item );
SwapAttributes( *item );
}
bool SCH_TEXT::operator<( const SCH_ITEM& aItem ) const
{
if( Type() != aItem.Type() )
return Type() < aItem.Type();
auto other = static_cast<const SCH_TEXT*>( &aItem );
if( GetLayer() != other->GetLayer() )
return GetLayer() < other->GetLayer();
if( GetPosition().x != other->GetPosition().x )
return GetPosition().x < other->GetPosition().x;
if( GetPosition().y != other->GetPosition().y )
return GetPosition().y < other->GetPosition().y;
return GetText() < other->GetText();
}
int SCH_TEXT::GetTextOffset( const RENDER_SETTINGS* aSettings ) const
{
double ratio;
if( aSettings )
ratio = static_cast<const SCH_RENDER_SETTINGS*>( aSettings )->m_TextOffsetRatio;
else if( Schematic() )
ratio = Schematic()->Settings().m_TextOffsetRatio;
else
ratio = DEFAULT_TEXT_OFFSET_RATIO; // For previews (such as in Preferences), etc.
return KiROUND( ratio * GetTextSize().y );
}
int SCH_TEXT::GetPenWidth() const
{
return GetEffectiveTextPenWidth();
}
KIFONT::FONT* SCH_TEXT::GetDrawFont() const
{
KIFONT::FONT* font = EDA_TEXT::GetFont();
if( !font )
font = KIFONT::FONT::GetFont( GetDefaultFont(), IsBold(), IsItalic() );
return font;
}
void SCH_TEXT::Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset )
{
COLOR4D color = GetTextColor();
bool blackAndWhiteMode = GetGRForceBlackPenState();
VECTOR2I text_offset = aOffset + GetSchematicTextOffset( aSettings );
if( blackAndWhiteMode || color == COLOR4D::UNSPECIFIED )
color = aSettings->GetLayerColor( m_layer );
// Adjust text drawn in an outline font to more closely mimic the positioning of
// SCH_FIELD text.
if( GetDrawFont()->IsOutline() )
{
BOX2I firstLineBBox = GetTextBox( 0 );
int sizeDiff = firstLineBBox.GetHeight() - GetTextSize().y;
int adjust = KiROUND( sizeDiff * 0.4 );
VECTOR2I adjust_offset( 0, - adjust );
RotatePoint( adjust_offset, GetDrawRotation() );
text_offset += adjust_offset;
}
EDA_TEXT::Print( aSettings, text_offset, color );
}
const BOX2I SCH_TEXT::GetBoundingBox() const
{
BOX2I bbox = GetTextBox();
if( !GetTextAngle().IsZero() ) // Rotate bbox.
{
VECTOR2I pos = bbox.GetOrigin();
VECTOR2I end = bbox.GetEnd();
RotatePoint( pos, GetTextPos(), GetTextAngle() );
RotatePoint( end, GetTextPos(), GetTextAngle() );
bbox.SetOrigin( pos );
bbox.SetEnd( end );
}
bbox.Normalize();
return bbox;
}
wxString SCH_TEXT::GetShownText( int aDepth ) const
{
std::function<bool( wxString* )> textResolver =
[&]( wxString* token ) -> bool
{
if( token->Contains( ':' ) )
{
if( Schematic()->ResolveCrossReference( token, aDepth ) )
return true;
}
else
{
SCHEMATIC* schematic = Schematic();
SCH_SHEET* sheet = schematic ? schematic->CurrentSheet().Last() : nullptr;
if( sheet && sheet->ResolveTextVar( token, aDepth + 1 ) )
return true;
}
return false;
};
std::function<bool( wxString* )> schematicTextResolver =
[&]( wxString* token ) -> bool
{
return Schematic()->ResolveTextVar( token, aDepth + 1 );
};
wxString text = EDA_TEXT::GetShownText();
if( text == "~" ) // Legacy placeholder for empty string
{
text = "";
}
else if( HasTextVars() )
{
PROJECT* project = nullptr;
if( Schematic() )
project = &Schematic()->Prj();
if( aDepth < 10 )
text = ExpandTextVars( text, &textResolver, &schematicTextResolver, project );
}
return text;
}
void SCH_TEXT::DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const
{
wxCHECK_MSG( IsHypertext(), /* void */,
"Calling a hypertext menu on a SCH_TEXT with no hyperlink?" );
SCH_NAVIGATE_TOOL* navTool = aFrame->GetToolManager()->GetTool<SCH_NAVIGATE_TOOL>();
navTool->HypertextCommand( m_hyperlink );
}
wxString SCH_TEXT::GetSelectMenuText( EDA_UNITS aUnits ) const
{
return wxString::Format( _( "Graphic Text '%s'" ), KIUI::EllipsizeMenuText( GetShownText() ) );
}
BITMAPS SCH_TEXT::GetMenuImage() const
{
return BITMAPS::text;
}
bool SCH_TEXT::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
BOX2I bBox = GetBoundingBox();
bBox.Inflate( aAccuracy );
return bBox.Contains( aPosition );
}
bool SCH_TEXT::HitTest( const BOX2I& aRect, bool aContained, int aAccuracy ) const
{
BOX2I bBox = GetBoundingBox();
bBox.Inflate( aAccuracy );
if( aContained )
return aRect.Contains( bBox );
return aRect.Intersects( bBox );
}
void SCH_TEXT::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 2;
aLayers[0] = m_layer;
aLayers[1] = LAYER_SELECTION_SHADOWS;
}
void SCH_TEXT::Plot( PLOTTER* aPlotter, bool aBackground ) const
{
if( aBackground )
return;
RENDER_SETTINGS* settings = aPlotter->RenderSettings();
SCH_CONNECTION* connection = Connection();
int layer = ( connection && connection->IsBus() ) ? LAYER_BUS : m_layer;
COLOR4D color = GetTextColor();
int penWidth = GetEffectiveTextPenWidth( settings->GetDefaultPenWidth() );
KIFONT::FONT* font = GetDrawFont();
VECTOR2I text_offset = GetSchematicTextOffset( aPlotter->RenderSettings() );
if( !aPlotter->GetColorMode() || color == COLOR4D::UNSPECIFIED )
color = settings->GetLayerColor( layer );
penWidth = std::max( penWidth, settings->GetMinPenWidth() );
aPlotter->SetCurrentLineWidth( penWidth );
// Adjust text drawn in an outline font to more closely mimic the positioning of
// SCH_FIELD text.
if( GetDrawFont()->IsOutline() )
{
BOX2I firstLineBBox = GetTextBox( 0 );
int sizeDiff = firstLineBBox.GetHeight() - GetTextSize().y;
int adjust = KiROUND( sizeDiff * 0.4 );
VECTOR2I adjust_offset( 0, - adjust );
RotatePoint( adjust_offset, GetDrawRotation() );
text_offset += adjust_offset;
}
std::vector<VECTOR2I> positions;
wxArrayString strings_list;
wxStringSplit( GetShownText(), strings_list, '\n' );
positions.reserve( strings_list.Count() );
GetLinePositions( positions, (int) strings_list.Count() );
for( unsigned ii = 0; ii < strings_list.Count(); ii++ )
{
VECTOR2I textpos = positions[ii] + text_offset;
wxString& txt = strings_list.Item( ii );
aPlotter->Text( textpos, color, txt, GetTextAngle(), GetTextSize(), GetHorizJustify(),
GetVertJustify(), penWidth, IsItalic(), IsBold(), false, font );
}
if( HasHyperlink() )
aPlotter->HyperlinkBox( GetBoundingBox(), GetHyperlink() );
}
void SCH_TEXT::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
wxString msg;
// Don't use GetShownText() here; we want to show the user the variable references
aList.emplace_back( _( "Graphic Text" ), KIUI::EllipsizeStatusText( aFrame, GetText() ) );
aList.emplace_back( _( "Font" ), GetDrawFont()->GetName() );
wxString textStyle[] = { _( "Normal" ), _( "Italic" ), _( "Bold" ), _( "Bold Italic" ) };
int style = IsBold() && IsItalic() ? 3 : IsBold() ? 2 : IsItalic() ? 1 : 0;
aList.emplace_back( _( "Style" ), textStyle[style] );
aList.emplace_back( _( "Text Size" ), EDA_UNIT_UTILS::UI::MessageTextFromValue( schIUScale, aFrame->GetUserUnits(),
GetTextWidth() ) );
switch( GetTextSpinStyle() )
{
case TEXT_SPIN_STYLE::LEFT: msg = _( "Align right" ); break;
case TEXT_SPIN_STYLE::UP: msg = _( "Align bottom" ); break;
case TEXT_SPIN_STYLE::RIGHT: msg = _( "Align left" ); break;
case TEXT_SPIN_STYLE::BOTTOM: msg = _( "Align top" ); break;
default: msg = wxT( "???" ); break;
}
aList.emplace_back( _( "Justification" ), msg );
}
#if defined(DEBUG)
void SCH_TEXT::Show( int nestLevel, std::ostream& os ) const
{
// XML output:
wxString s = GetClass();
NestedSpace( nestLevel, os ) << '<' << s.Lower().mb_str()
<< " layer=\"" << m_layer << '"'
<< '>'
<< TO_UTF8( GetText() )
<< "</" << s.Lower().mb_str() << ">\n";
}
#endif
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