kicad/eeschema/busentry.cpp

152 lines
3.9 KiB
C++

/*****************************************************/
/* Code to handle manipulation on bus entry objects. */
/*****************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "class_drawpanel.h"
#include "eeschema_id.h"
#include "confirm.h"
#include "class_sch_screen.h"
#include "wxEeschemaStruct.h"
#include "general.h"
#include "protos.h"
#include "sch_bus_entry.h"
static int s_LastShape = '\\';
static wxPoint ItemInitialPosition;
static void ExitBusEntry( EDA_DRAW_PANEL* Panel, wxDC* DC )
{
/* Exit bus entry mode. */
SCH_BUS_ENTRY* BusEntry = (SCH_BUS_ENTRY*) Panel->GetScreen()->GetCurItem();
if( BusEntry )
{
BusEntry->Draw( Panel, DC, wxPoint( 0, 0 ), g_XorMode );
if( BusEntry->IsNew() )
{
delete BusEntry;
Panel->GetScreen()->SetCurItem( NULL );
}
else
{
BusEntry->m_Pos = ItemInitialPosition;
BusEntry->Draw( Panel, DC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
BusEntry->m_Flags = 0;
}
}
SCH_EDIT_FRAME* parent = ( SCH_EDIT_FRAME* ) Panel->GetParent();
parent->SetRepeatItem( NULL );
}
static void ShowWhileMoving( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
// Draws the bus entry while moving the cursor
BASE_SCREEN* screen = aPanel->GetScreen();
SCH_BUS_ENTRY* BusEntry = (SCH_BUS_ENTRY*) screen->GetCurItem();
if( BusEntry == NULL )
return;
/* Erase the last segment position. */
if( aErase )
BusEntry->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
/* Redraw at the new position. */
BusEntry->m_Pos = screen->GetCrossHairPosition();
BusEntry->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
}
SCH_BUS_ENTRY* SCH_EDIT_FRAME::CreateBusEntry( wxDC* DC, int entry_type )
{
// Create and place a new bus entry at cursor position
SCH_BUS_ENTRY* BusEntry = new SCH_BUS_ENTRY( GetScreen()->GetCrossHairPosition(), s_LastShape,
entry_type );
BusEntry->m_Flags = IS_NEW;
BusEntry->Place( this, DC );
OnModify();
return BusEntry;
}
void SCH_EDIT_FRAME::StartMoveBusEntry( SCH_BUS_ENTRY* BusEntry, wxDC* DC )
{
if( BusEntry == NULL )
return;
if( !BusEntry->IsNew() ) // not already in edit, save shape
SetUndoItem( BusEntry );
BusEntry->SetFlags( IS_MOVED );
ItemInitialPosition = BusEntry->m_Pos;
DrawPanel->CrossHairOff( DC );
GetScreen()->SetCrossHairPosition( BusEntry->m_Pos );
DrawPanel->MoveCursorToCrossHair();
GetScreen()->SetCurItem( BusEntry );
DrawPanel->m_mouseCaptureCallback = ShowWhileMoving;
DrawPanel->m_endMouseCaptureCallback = ExitBusEntry;
DrawPanel->CrossHairOn( DC );
}
/* set the shape of BusEntry (shape = / or \ )
*/
void SCH_EDIT_FRAME::SetBusEntryShape( wxDC* DC, SCH_BUS_ENTRY* BusEntry, int entry_shape )
{
if( BusEntry == NULL )
return;
if( BusEntry->Type() != SCH_BUS_ENTRY_T )
{
DisplayError( this, wxT( "SetBusEntryType: Bad StructType" ) );
return;
}
/* Put old item in undo list if it is not currently in edit */
if( BusEntry->m_Flags == 0 )
SaveCopyInUndoList( BusEntry, UR_CHANGED );
BusEntry->Draw( DrawPanel, DC, wxPoint( 0, 0 ), g_XorMode );
switch( entry_shape )
{
case '\\':
s_LastShape = '\\';
BusEntry->m_Size.y = 100;
break;
case '/':
s_LastShape = '/';
BusEntry->m_Size.y = -100;
break;
}
GetScreen()->TestDanglingEnds();
BusEntry->Draw( DrawPanel, DC, wxPoint( 0, 0 ), g_XorMode );
OnModify( );
}
int SCH_EDIT_FRAME::GetBusEntryShape( SCH_BUS_ENTRY* BusEntry )
{
int entry_shape = '\\';
if( BusEntry->m_Size.y < 0 )
entry_shape = '/';
return entry_shape;
}