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kicad/eeschema/symbdraw.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2006 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2009-2011 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 symbdraw.cpp
* @brief Create, move .. graphic shapes used to build and draw a component (lines, arcs ..)
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <class_drawpanel.h>
#include <confirm.h>
#include <class_sch_screen.h>
#include <base_units.h>
#include <msgpanel.h>
#include <eeschema_id.h>
#include <general.h>
#include <libeditframe.h>
#include <class_libentry.h>
#include <lib_arc.h>
#include <lib_circle.h>
#include <lib_polyline.h>
#include <lib_rectangle.h>
#include <lib_text.h>
#include <dialogs/dialog_lib_edit_draw_item.h>
static void SymbolDisplayDraw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase );
static void RedrawWhileMovingCursor( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase );
/*
* Show the dialog box for editing a graphical item properties
*/
void LIB_EDIT_FRAME::EditGraphicSymbol( wxDC* DC, LIB_ITEM* DrawItem )
{
if( DrawItem == NULL )
return;
LIB_COMPONENT* component = DrawItem->GetParent();
DIALOG_LIB_EDIT_DRAW_ITEM dialog( this, DrawItem->GetTypeName() );
dialog.SetWidthUnits( ReturnUnitSymbol( g_UserUnit ) );
wxString val = ReturnStringFromValue( g_UserUnit, DrawItem->GetWidth() );
dialog.SetWidth( val );
dialog.SetApplyToAllUnits( DrawItem->GetUnit() == 0 );
dialog.EnableApplyToAllUnits( component && component->GetPartCount() > 1 );
dialog.SetApplyToAllConversions( DrawItem->GetConvert() == 0 );
dialog.EnableApplyToAllConversions( component && component->HasConversion() );
dialog.SetFillStyle( DrawItem->GetFillMode() );
dialog.EnableFillStyle( DrawItem->IsFillable() );
if( dialog.ShowModal() == wxID_CANCEL )
return;
// Init default values (used to create a new draw item)
val = dialog.GetWidth();
m_drawLineWidth = ReturnValueFromString( g_UserUnit, val );
m_drawSpecificConvert = !dialog.GetApplyToAllConversions();
m_drawSpecificUnit = !dialog.GetApplyToAllUnits();
#if 0
/* TODO: see if m_drawFillStyle must retain the last fill option or not.
* if the last is Filled, having next new graphic items created
* with filled body is often bad.
* currently m_drawFillStyle is left with the default value (not filled)
*/
if( DrawItem->IsFillable() )
m_drawFillStyle = (FILL_T) dialog.GetFillStyle();
#endif
// Save copy for undo if not in edit (edit command already handle the save copy)
if( !DrawItem->InEditMode() )
SaveCopyInUndoList( DrawItem->GetParent() );
if( m_drawSpecificUnit )
DrawItem->SetUnit( GetUnit() );
else
DrawItem->SetUnit( 0 );
if( m_drawSpecificConvert )
DrawItem->SetConvert( GetConvert() );
else
DrawItem->SetConvert( 0 );
if( DrawItem->IsFillable() )
DrawItem->SetFillMode( (FILL_T) dialog.GetFillStyle() );
DrawItem->SetWidth( m_drawLineWidth );
if( component )
component->GetDrawItemList().sort();
OnModify( );
MSG_PANEL_ITEMS items;
DrawItem->GetMsgPanelInfo( items );
SetMsgPanel( items );
m_canvas->Refresh();
}
static void AbortSymbolTraceOn( EDA_DRAW_PANEL* Panel, wxDC* DC )
{
LIB_EDIT_FRAME* parent = (LIB_EDIT_FRAME*) Panel->GetParent();
LIB_ITEM* item = parent->GetDrawItem();
if( item == NULL )
return;
bool newItem = item->IsNew();
item->EndEdit( parent->GetScreen()->GetCrossHairPosition( true ), true );
if( newItem )
{
delete item;
}
else
parent->RestoreComponent();
parent->SetDrawItem( NULL );
Panel->Refresh();
}
LIB_ITEM* LIB_EDIT_FRAME::CreateGraphicItem( LIB_COMPONENT* LibEntry, wxDC* DC )
{
m_canvas->SetMouseCapture( SymbolDisplayDraw, AbortSymbolTraceOn );
wxPoint drawPos = GetScreen()->GetCrossHairPosition( true );
// no temp copy -> the current version of component will be used for Undo
// This is normal when adding new items to the current component
ClearTempCopyComponent();
switch( GetToolId() )
{
case ID_LIBEDIT_BODY_ARC_BUTT:
m_drawItem = new LIB_ARC( LibEntry );
break;
case ID_LIBEDIT_BODY_CIRCLE_BUTT:
m_drawItem = new LIB_CIRCLE( LibEntry );
break;
case ID_LIBEDIT_BODY_RECT_BUTT:
m_drawItem = new LIB_RECTANGLE( LibEntry );
break;
case ID_LIBEDIT_BODY_LINE_BUTT:
m_drawItem = new LIB_POLYLINE( LibEntry );
break;
case ID_LIBEDIT_BODY_TEXT_BUTT:
{
LIB_TEXT* Text = new LIB_TEXT( LibEntry );
Text->SetSize( wxSize( m_textSize, m_textSize ) );
Text->SetOrientation( m_textOrientation );
// Enter the graphic text info
m_canvas->SetIgnoreMouseEvents( true );
EditSymbolText( NULL, Text );
m_canvas->SetIgnoreMouseEvents( false );
m_canvas->MoveCursorToCrossHair();
if( Text->GetText().IsEmpty() )
{
delete Text;
m_drawItem = NULL;
}
else
{
m_drawItem = Text;
}
break;
}
default:
DisplayError( this, wxT( "LIB_EDIT_FRAME::CreateGraphicItem() error" ) );
return NULL;
}
if( m_drawItem )
{
m_drawItem->BeginEdit( IS_NEW, drawPos );
m_drawItem->SetWidth( m_drawLineWidth );
m_drawItem->SetFillMode( m_drawFillStyle );
if( m_drawSpecificUnit )
m_drawItem->SetUnit( m_unit );
if( m_drawSpecificConvert )
m_drawItem->SetConvert( m_convert );
// Draw initial symbol:
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
}
else
{
m_canvas->EndMouseCapture();
return NULL;
}
m_canvas->MoveCursorToCrossHair();
m_canvas->SetIgnoreMouseEvents( false );
return m_drawItem;
}
/* Create new library component graphic object.
*/
void LIB_EDIT_FRAME::GraphicItemBeginDraw( wxDC* DC )
{
if( m_drawItem == NULL )
return;
wxPoint pos = GetScreen()->GetCrossHairPosition( true );
if( m_drawItem->ContinueEdit( pos ) )
{
m_drawItem->Draw( m_canvas, DC, pos, UNSPECIFIED_COLOR, g_XorMode, NULL, DefaultTransform );
return;
}
EndDrawGraphicItem( DC );
}
/*
* Redraw the graphic shape while moving
*/
static void RedrawWhileMovingCursor( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
LIB_ITEM* item;
item = ( (LIB_EDIT_FRAME*) aPanel->GetParent() )->GetDrawItem();
if( item == NULL )
return;
BASE_SCREEN* Screen = aPanel->GetScreen();
item->SetEraseLastDrawItem( aErase );
// if item is the reference field, we must add the current unit id
if( item->Type() == LIB_FIELD_T )
{
int unit = ((LIB_EDIT_FRAME*)aPanel->GetParent())->GetUnit();
wxString text = ((LIB_FIELD*)item)->GetFullText( unit );
item->Draw( aPanel, aDC, Screen->GetCrossHairPosition( true ),
UNSPECIFIED_COLOR, g_XorMode, &text,
DefaultTransform );
}
else
item->Draw( aPanel, aDC, Screen->GetCrossHairPosition( true ),
UNSPECIFIED_COLOR, g_XorMode, NULL,
DefaultTransform );
}
void LIB_EDIT_FRAME::StartMoveDrawSymbol( wxDC* DC )
{
if( m_drawItem == NULL )
return;
SetCursor( wxCURSOR_HAND );
TempCopyComponent();
// For fields only, move the anchor point of the field
// to the cursor position to allow user to see the text justification
if( m_drawItem->Type() == LIB_FIELD_T )
m_drawItem->BeginEdit( IS_MOVED, m_drawItem->GetPosition() );
else
m_drawItem->BeginEdit( IS_MOVED, GetScreen()->GetCrossHairPosition( true ) );
m_canvas->SetMouseCapture( RedrawWhileMovingCursor, AbortSymbolTraceOn );
m_canvas->CallMouseCapture( DC, wxDefaultPosition, true );
}
// @brief Modify a graphic symbol (drag edges etc.)
void LIB_EDIT_FRAME::StartModifyDrawSymbol( wxDC* DC )
{
if( m_drawItem == NULL )
return;
TempCopyComponent();
m_drawItem->BeginEdit( IS_RESIZED, GetScreen()->GetCrossHairPosition( true ) );
m_canvas->SetMouseCapture( SymbolDisplayDraw, AbortSymbolTraceOn );
m_canvas->CallMouseCapture( DC, wxDefaultPosition, true );
}
//! @brief Manage mouse events when creating new graphic object or modifying an graphic object.
static void SymbolDisplayDraw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
BASE_SCREEN* Screen = aPanel->GetScreen();
LIB_ITEM* item = ( (LIB_EDIT_FRAME*) aPanel->GetParent() )->GetDrawItem();
if( item == NULL )
return;
item->SetEraseLastDrawItem( aErase );
item->Draw( aPanel, aDC, Screen->GetCrossHairPosition( true ), UNSPECIFIED_COLOR, g_XorMode, NULL,
DefaultTransform );
}
/*
* Place the new graphic object in the list of component drawing objects,
* or terminate a draw item edition
*/
void LIB_EDIT_FRAME::EndDrawGraphicItem( wxDC* DC )
{
if( m_component == NULL || m_drawItem == NULL )
return;
if( GetToolId() != ID_NO_TOOL_SELECTED )
SetCursor( wxCURSOR_PENCIL );
else
SetCursor( (wxStockCursor) m_canvas->GetDefaultCursor() );
if( GetTempCopyComponent() ) // used when editing an existing item
SaveCopyInUndoList( GetTempCopyComponent() );
else // When creating a new item, there is still no change for the current component
// So save it.
SaveCopyInUndoList( m_component );
if( m_drawItem->IsNew() )
m_component->AddDrawItem( m_drawItem );
m_drawItem->EndEdit( GetScreen()->GetCrossHairPosition( true ) );
m_drawItem = NULL;
OnModify();
m_canvas->SetMouseCapture( NULL, NULL );
m_canvas->Refresh();
}
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