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kicad/common/base_struct.cpp

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/*
* 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) 2008-20011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2011 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 base_struct.cpp
* @brief Implementation of EDA_ITEM and EDA_TEXT base classes for KiCad.
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <trigo.h>
#include <common.h>
#include <macros.h>
#include <wxstruct.h>
#include <class_drawpanel.h>
#include <class_base_screen.h>
#include <drawtxt.h>
#include "../eeschema/dialogs/dialog_schematic_find.h"
enum textbox {
ID_TEXTBOX_LIST = 8010
};
EDA_ITEM::EDA_ITEM( EDA_ITEM* parent, KICAD_T idType )
{
InitVars();
m_StructType = idType;
m_Parent = parent;
}
EDA_ITEM::EDA_ITEM( KICAD_T idType )
{
InitVars();
m_StructType = idType;
}
EDA_ITEM::EDA_ITEM( const EDA_ITEM& base )
{
InitVars();
m_StructType = base.m_StructType;
m_Parent = base.m_Parent;
m_Son = base.m_Son;
m_Flags = base.m_Flags;
// A copy of an item cannot have the same time stamp as the original item.
SetTimeStamp( GetNewTimeStamp() );
m_Status = base.m_Status;
}
void EDA_ITEM::InitVars()
{
m_StructType = TYPE_NOT_INIT;
Pnext = NULL; // Linked list: Link (next struct)
Pback = NULL; // Linked list: Link (previous struct)
m_Parent = NULL; // Linked list: Link (parent struct)
m_Son = NULL; // Linked list: Link (son struct)
m_List = NULL; // I am not on any list yet
m_Image = NULL; // Link to an image copy for undelete or abort command
m_Flags = 0; // flags for editions and other
SetTimeStamp( 0 ); // Time stamp used for logical links
m_Status = 0;
m_forceVisible = false; // true to override the visibility setting of the item.
}
void EDA_ITEM::SetModified()
{
m_Flags |= IS_CHANGED;
// If this a child object, then the parent modification state also needs to be set.
if( m_Parent )
m_Parent->SetModified();
}
EDA_ITEM* EDA_ITEM::doClone() const
{
wxCHECK_MSG( false, NULL, wxT( "doClone not implemented in derived class " ) + GetClass() +
wxT( ". Bad programmer." ) );
}
EDA_ITEM* EDA_ITEM::Clone() const
{
// save about 6 bytes per call by hiding the virtual function in this non-inline function.
return doClone();
}
SEARCH_RESULT EDA_ITEM::IterateForward( EDA_ITEM* listStart,
INSPECTOR* inspector,
const void* testData,
const KICAD_T scanTypes[] )
{
EDA_ITEM* p = listStart;
for( ; p; p = p->Pnext )
{
if( SEARCH_QUIT == p->Visit( inspector, testData, scanTypes ) )
return SEARCH_QUIT;
}
return SEARCH_CONTINUE;
}
// see base_struct.h
// many classes inherit this method, be careful:
SEARCH_RESULT EDA_ITEM::Visit( INSPECTOR* inspector, const void* testData,
const KICAD_T scanTypes[] )
{
KICAD_T stype;
#if 0 && defined(DEBUG)
std::cout << GetClass().mb_str() << ' ';
#endif
for( const KICAD_T* p = scanTypes; (stype = *p) != EOT; ++p )
{
// If caller wants to inspect my type
if( stype == Type() )
{
if( SEARCH_QUIT == inspector->Inspect( this, testData ) )
return SEARCH_QUIT;
break;
}
}
return SEARCH_CONTINUE;
}
wxString EDA_ITEM::GetSelectMenuText() const
{
wxFAIL_MSG( wxT( "GetSelectMenuText() was not overridden for schematic item type " ) +
GetClass() );
return wxString( wxT( "Undefined menu text for " ) + GetClass() );
}
bool EDA_ITEM::Matches( const wxString& aText, wxFindReplaceData& aSearchData )
{
wxString text = aText;
wxString searchText = aSearchData.GetFindString();
// Don't match if searching for replaceable item and the item doesn't support text replace.
if( (aSearchData.GetFlags() & FR_SEARCH_REPLACE) && !IsReplaceable() )
return false;
if( aSearchData.GetFlags() & wxFR_WHOLEWORD )
return aText.IsSameAs( searchText, aSearchData.GetFlags() & wxFR_MATCHCASE );
if( aSearchData.GetFlags() & FR_MATCH_WILDCARD )
{
if( aSearchData.GetFlags() & wxFR_MATCHCASE )
return text.Matches( searchText );
return text.MakeUpper().Matches( searchText.MakeUpper() );
}
if( aSearchData.GetFlags() & wxFR_MATCHCASE )
return aText.Find( searchText ) != wxNOT_FOUND;
return text.MakeUpper().Find( searchText.MakeUpper() ) != wxNOT_FOUND;
}
bool EDA_ITEM::Replace( wxFindReplaceData& aSearchData, wxString& aText )
{
wxCHECK_MSG( IsReplaceable(), false,
wxT( "Attempt to replace text in <" ) + GetClass() + wxT( "> item." ) );
return aText.Replace( aSearchData.GetFindString(),
aSearchData.GetReplaceString(), false ) != 0;
}
bool EDA_ITEM::operator<( const EDA_ITEM& aItem ) const
{
wxFAIL_MSG( wxString::Format( wxT( "Less than operator not defined for item type %s." ),
GetChars( GetClass() ) ) );
return false;
}
EDA_ITEM& EDA_ITEM::operator=( const EDA_ITEM& aItem )
{
if( &aItem != this )
{
m_StructType = aItem.Type();
Pnext = aItem.Pnext;
Pback = aItem.Pback;
m_StructType = aItem.m_StructType;
m_Parent = aItem.m_Parent;
m_Son = aItem.m_Son;
m_Flags = aItem.m_Flags;
SetTimeStamp( aItem.m_TimeStamp );
m_Status = aItem.m_Status;
}
return *this;
}
#if defined(DEBUG)
// A function that should have been in wxWidgets
std::ostream& operator<<( std::ostream& out, const wxSize& size )
{
out << " width=\"" << size.GetWidth() << "\" height=\"" << size.GetHeight() << "\"";
return out;
}
// A function that should have been in wxWidgets
std::ostream& operator<<( std::ostream& out, const wxPoint& pt )
{
out << " x=\"" << pt.x << "\" y=\"" << pt.y << "\"";
return out;
}
void EDA_ITEM::ShowDummy( std::ostream& os ) const
{
// XML output:
wxString s = GetClass();
os << '<' << s.Lower().mb_str() << ">"
<< " Need ::Show() override for this class "
<< "</" << s.Lower().mb_str() << ">\n";
}
std::ostream& EDA_ITEM::NestedSpace( int nestLevel, std::ostream& os )
{
for( int i = 0; i<nestLevel; ++i )
os << " ";
// number of spaces here controls indent per nest level
return os;
}
#endif
/**************************************************/
/* EDA_TEXT (basic class, not directly used */
/**************************************************/
EDA_TEXT::EDA_TEXT( const wxString& text )
{
m_Size.x = m_Size.y = DEFAULT_SIZE_TEXT; // Width and height of font.
m_Orient = 0; // Rotation angle in 0.1 degrees.
m_Attributs = 0;
m_Mirror = false; // display mirror if true
m_HJustify = GR_TEXT_HJUSTIFY_CENTER; // Default horizontal justification is centered.
m_VJustify = GR_TEXT_VJUSTIFY_CENTER; // Default vertical justification is centered.
m_Thickness = 0; // thickness
m_Italic = false; // true = italic shape.
m_Bold = false;
m_MultilineAllowed = false; // Set to true for multiline text.
m_Text = text;
}
EDA_TEXT::EDA_TEXT( const EDA_TEXT& aText )
{
m_Pos = aText.m_Pos;
m_Size = aText.m_Size;
m_Orient = aText.m_Orient;
m_Attributs = aText.m_Attributs;
m_Mirror = aText.m_Mirror;
m_HJustify = aText.m_HJustify;
m_VJustify = aText.m_VJustify;
m_Thickness = aText.m_Thickness;
m_Italic = aText.m_Italic;
m_Bold = aText.m_Bold;
m_MultilineAllowed = aText.m_MultilineAllowed;
m_Text = aText.m_Text;
}
EDA_TEXT::~EDA_TEXT()
{
}
int EDA_TEXT::LenSize( const wxString& aLine ) const
{
return ReturnGraphicTextWidth( aLine, m_Size.x, m_Italic, m_Bold );
}
EDA_RECT EDA_TEXT::GetTextBox( int aLine, int aThickness, bool aInvertY ) const
{
EDA_RECT rect;
wxPoint pos;
wxArrayString* list = NULL;
wxString text = m_Text;
int thickness = ( aThickness < 0 ) ? m_Thickness : aThickness;
if( m_MultilineAllowed )
{
list = wxStringSplit( m_Text, '\n' );
if ( list->GetCount() ) // GetCount() == 0 for void strings
{
if( aLine >= 0 && (aLine < (int)list->GetCount()) )
text = list->Item( aLine );
else
text = list->Item( 0 );
}
}
// calculate the H and V size
int dx = LenSize( text );
int dy = GetInterline();
/* Creates bounding box (rectangle) for an horizontal text */
wxSize textsize = wxSize( dx, dy );
if( aInvertY )
rect.SetOrigin( m_Pos.x, -m_Pos.y );
else
rect.SetOrigin( m_Pos );
// extra dy interval for letters like j and y and ]
int extra_dy = dy - m_Size.y;
rect.Move( wxPoint( 0, -extra_dy / 2 ) ); // move origin by the half extra interval
// for multiline texts and aLine < 0, merge all rectangles
if( m_MultilineAllowed && list && aLine < 0 )
{
for( unsigned ii = 1; ii < list->GetCount(); ii++ )
{
text = list->Item( ii );
dx = LenSize( text );
textsize.x = MAX( textsize.x, dx );
textsize.y += dy;
}
}
delete list;
rect.SetSize( textsize );
/* Now, calculate the rect origin, according to text justification
* At this point the rectangle origin is the text origin (m_Pos).
* This is true only for left and top text justified texts (using top to bottom Y axis
* orientation). and must be recalculated for others justifications
* also, note the V justification is relative to the first line
*/
switch( m_HJustify )
{
case GR_TEXT_HJUSTIFY_LEFT:
if( m_Mirror )
rect.SetX( rect.GetX() - rect.GetWidth() );
break;
case GR_TEXT_HJUSTIFY_CENTER:
rect.SetX( rect.GetX() - (rect.GetWidth() / 2) );
break;
case GR_TEXT_HJUSTIFY_RIGHT:
if( !m_Mirror )
rect.SetX( rect.GetX() - rect.GetWidth() );
break;
}
dy = m_Size.y + thickness;
switch( m_VJustify )
{
case GR_TEXT_VJUSTIFY_TOP:
break;
case GR_TEXT_VJUSTIFY_CENTER:
rect.SetY( rect.GetY() - (dy / 2) );
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
rect.SetY( rect.GetY() - dy );
break;
}
rect.Inflate( thickness / 2 );
rect.Normalize(); // Make h and v sizes always >= 0
return rect;
}
bool EDA_TEXT::TextHitTest( const wxPoint& aPoint, int aAccuracy ) const
{
EDA_RECT rect = GetTextBox( -1 ); // Get the full text area.
wxPoint location = aPoint;
rect.Inflate( aAccuracy );
RotatePoint( &location, m_Pos, -m_Orient );
return rect.Contains( location );
}
bool EDA_TEXT::TextHitTest( const EDA_RECT& aRect, bool aContains, int aAccuracy ) const
{
EDA_RECT rect = aRect;
rect.Inflate( aAccuracy );
if( aContains )
return rect.Contains( GetTextBox( -1 ) );
return rect.Intersects( GetTextBox( -1 ) );
}
void EDA_TEXT::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
EDA_Colors aColor, int aDrawMode,
EDA_DRAW_MODE_T aFillMode, EDA_Colors aAnchor_color )
{
if( m_MultilineAllowed )
{
wxPoint pos = m_Pos;
wxArrayString* list = wxStringSplit( m_Text, '\n' );
wxPoint offset;
offset.y = GetInterline();
RotatePoint( &offset, m_Orient );
for( unsigned i = 0; i<list->Count(); i++ )
{
wxString txt = list->Item( i );
DrawOneLineOfText( aPanel,
aDC,
aOffset,
aColor,
aDrawMode,
aFillMode,
i ? UNSPECIFIED_COLOR : aAnchor_color,
txt,
pos );
pos += offset;
}
delete (list);
}
else
DrawOneLineOfText( aPanel,
aDC,
aOffset,
aColor,
aDrawMode,
aFillMode,
aAnchor_color,
m_Text,
m_Pos );
}
void EDA_TEXT::DrawOneLineOfText( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
const wxPoint& aOffset, EDA_Colors aColor,
int aDrawMode, EDA_DRAW_MODE_T aFillMode,
EDA_Colors aAnchor_color,
wxString& aText, wxPoint aPos )
{
int width = m_Thickness;
if( aFillMode == LINE )
width = 0;
if( aDrawMode != -1 )
GRSetDrawMode( aDC, aDrawMode );
/* Draw text anchor, if allowed */
if( aAnchor_color != UNSPECIFIED_COLOR )
{
int anchor_size = aDC->DeviceToLogicalXRel( 2 );
aAnchor_color = (EDA_Colors) ( aAnchor_color & MASKCOLOR );
int cX = aPos.x + aOffset.x;
int cY = aPos.y + aOffset.y;
GRLine( aPanel->GetClipBox(), aDC, cX - anchor_size, cY,
cX + anchor_size, cY, 0, aAnchor_color );
GRLine( aPanel->GetClipBox(), aDC, cX, cY - anchor_size,
cX, cY + anchor_size, 0, aAnchor_color );
}
if( aFillMode == SKETCH )
width = -width;
wxSize size = m_Size;
if( m_Mirror )
size.x = -size.x;
DrawGraphicText( aPanel, aDC, aOffset + aPos, aColor, aText, m_Orient, size,
m_HJustify, m_VJustify, width, m_Italic, m_Bold );
}
wxString EDA_TEXT::GetTextStyleName()
{
int style = 0;
if( m_Italic )
style = 1;
if( m_Bold )
style += 2;
wxString stylemsg[4] = {
_("Normal"),
_("Italic"),
_("Bold"),
_("Bold+Italic")
};
return stylemsg[style];
}
/******************/
/* Class EDA_RECT */
/******************/
void EDA_RECT::Normalize()
{
if( m_Size.y < 0 )
{
m_Size.y = -m_Size.y;
m_Pos.y -= m_Size.y;
}
if( m_Size.x < 0 )
{
m_Size.x = -m_Size.x;
m_Pos.x -= m_Size.x;
}
}
void EDA_RECT::Move( const wxPoint& aMoveVector )
{
m_Pos += aMoveVector;
}
bool EDA_RECT::Contains( const wxPoint& aPoint ) const
{
wxPoint rel_pos = aPoint - m_Pos;
wxSize size = m_Size;
if( size.x < 0 )
{
size.x = -size.x;
rel_pos.x += size.x;
}
if( size.y < 0 )
{
size.y = -size.y;
rel_pos.y += size.y;
}
return (rel_pos.x >= 0) && (rel_pos.y >= 0) && ( rel_pos.y <= size.y) && ( rel_pos.x <= size.x);
}
/*
* return true if aRect is inside me (or on boundaries)
*/
bool EDA_RECT::Contains( const EDA_RECT& aRect ) const
{
return Contains( aRect.GetOrigin() ) && Contains( aRect.GetEnd() );
}
/* Intersects
* test for a common area between 2 rect.
* return true if at least a common point is found
*/
bool EDA_RECT::Intersects( const EDA_RECT& aRect ) const
{
// this logic taken from wxWidgets' geometry.cpp file:
bool rc;
EDA_RECT me(*this);
EDA_RECT rect(aRect);
me.Normalize(); // ensure size is >= 0
rect.Normalize(); // ensure size is >= 0
// calculate the left common area coordinate:
int left = MAX( me.m_Pos.x, rect.m_Pos.x );
// calculate the right common area coordinate:
int right = MIN( me.m_Pos.x + m_Size.x, rect.m_Pos.x + rect.m_Size.x );
// calculate the upper common area coordinate:
int top = MAX( me.m_Pos.y, aRect.m_Pos.y );
// calculate the lower common area coordinate:
int bottom = MIN( me.m_Pos.y + m_Size.y, rect.m_Pos.y + rect.m_Size.y );
// if a common area exists, it must have a positive (null accepted) size
if( left <= right && top <= bottom )
rc = true;
else
rc = false;
return rc;
}
EDA_RECT& EDA_RECT::Inflate( int aDelta )
{
Inflate( aDelta, aDelta );
return *this;
}
EDA_RECT& EDA_RECT::Inflate( wxCoord dx, wxCoord dy )
{
if( m_Size.x >= 0 )
{
if( m_Size.x < -2 * dx )
{
// Don't allow deflate to eat more width than we have,
m_Pos.x += m_Size.x / 2;
m_Size.x = 0;
}
else
{
// The inflate is valid.
m_Pos.x -= dx;
m_Size.x += 2 * dx;
}
}
else // size.x < 0:
{
if( m_Size.x > -2 * dx )
{
// Don't allow deflate to eat more width than we have,
m_Pos.x -= m_Size.x / 2;
m_Size.x = 0;
}
else
{
// The inflate is valid.
m_Pos.x += dx;
m_Size.x -= 2 * dx; // m_Size.x <0: inflate when dx > 0
}
}
if( m_Size.y >= 0 )
{
if( m_Size.y < -2 * dy )
{
// Don't allow deflate to eat more height than we have,
m_Pos.y += m_Size.y / 2;
m_Size.y = 0;
}
else
{
// The inflate is valid.
m_Pos.y -= dy;
m_Size.y += 2 * dy;
}
}
else // size.y < 0:
{
if( m_Size.y > 2 * dy )
{
// Don't allow deflate to eat more height than we have,
m_Pos.y -= m_Size.y / 2;
m_Size.y = 0;
}
else
{
// The inflate is valid.
m_Pos.y += dy;
m_Size.y -= 2 * dy; // m_Size.y <0: inflate when dy > 0
}
}
return *this;
}
void EDA_RECT::Merge( const EDA_RECT& aRect )
{
Normalize(); // ensure width and height >= 0
EDA_RECT rect = aRect;
rect.Normalize(); // ensure width and height >= 0
wxPoint end = GetEnd();
wxPoint rect_end = rect.GetEnd();
// Change origin and size in order to contain the given rect
m_Pos.x = MIN( m_Pos.x, rect.m_Pos.x );
m_Pos.y = MIN( m_Pos.y, rect.m_Pos.y );
end.x = MAX( end.x, rect_end.x );
end.y = MAX( end.y, rect_end.y );
SetEnd( end );
}
void EDA_RECT::Merge( const wxPoint& aPoint )
{
Normalize(); // ensure width and height >= 0
wxPoint end = GetEnd();
// Change origin and size in order to contain the given rect
m_Pos.x = MIN( m_Pos.x, aPoint.x );
m_Pos.y = MIN( m_Pos.y, aPoint.y );
end.x = MAX( end.x, aPoint.x );
end.y = MAX( end.y, aPoint.y );
SetEnd( end );
}
double EDA_RECT::GetArea() const
{
return (double) GetWidth() * (double) GetHeight();
}
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