/****************/
/* controle.cpp */
/****************/

#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "class_drawpanel.h"
#include "eda_dde.h"
#include "id.h"

#include "program.h"
#include "libcmp.h"
#include "general.h"
#include "protos.h"

/**************************************************************************************/
SCH_ITEM* WinEDA_SchematicFrame:: SchematicGeneralLocateAndDisplay( bool IncludePin )
/**************************************************************************************/

/** Function SchematicGeneralLocateAndDisplay
 * Overlayed function
 *  Find the schematic item at cursor position
 *  the priority order is:
 *  - marker
 *  - noconnect
 *  - junction
 *  - wire/bus/entry
 *  - label
 *  - pin
 *  - component
 * @return  an EDA_BaseStruct pointer on the item or NULL if no item found
 * @param IncludePin = true to search for pins, fase to ignore them
 *
 *  For some items, caracteristics are displayed on the screen.
 */
{
    SCH_ITEM*      DrawStruct;
    wxString       msg;
    wxPoint        mouse_position = GetScreen()->m_MousePosition;
    LibDrawPin*    Pin     = NULL;
    SCH_COMPONENT* LibItem = NULL;

    DrawStruct = SchematicGeneralLocateAndDisplay( mouse_position, IncludePin );
    if( !DrawStruct && ( mouse_position != GetScreen()->m_Curseur) )
    {
        DrawStruct = SchematicGeneralLocateAndDisplay( GetScreen()->m_Curseur, IncludePin );
    }
    if( !DrawStruct )
        return NULL;

    /* Cross probing to pcbnew if a pin or a component is found */
    switch( DrawStruct->Type() )
    {
    case DRAW_PART_TEXT_STRUCT_TYPE:
    case COMPONENT_FIELD_DRAW_TYPE:
        LibItem = (SCH_COMPONENT*) DrawStruct->GetParent();
        SendMessageToPCBNEW( DrawStruct, LibItem );
        break;

    case TYPE_SCH_COMPONENT:
        Pin = LocateAnyPin( GetScreen()->EEDrawList, GetScreen()->m_Curseur, &LibItem );
        if( Pin )
            break; // Priority is probing a pin first
        LibItem = (SCH_COMPONENT*) DrawStruct;
        SendMessageToPCBNEW( DrawStruct, LibItem );
        break;

    default:
        Pin = LocateAnyPin( GetScreen()->EEDrawList, GetScreen()->m_Curseur, &LibItem );
        break;

    case COMPONENT_PIN_DRAW_TYPE:
        Pin = (LibDrawPin*) DrawStruct;
        break;
    }

    if( Pin )
    {
        /* Force display pin infos (the previous display could be a component info) */
        Pin->Display_Infos( this );
        if( LibItem )
            Affiche_1_Parametre( this, 1,
                                 LibItem->GetRef( GetSheet() ),
                                 LibItem->GetField( VALUE )->m_Text,
                                 CYAN );

        // Cross probing:2 - pin found, and send a locate pin command to pcbnew (hightlight net)
        SendMessageToPCBNEW( Pin, LibItem );
    }
    return DrawStruct;
}


/********************************************************************************************/
SCH_ITEM* WinEDA_SchematicFrame:: SchematicGeneralLocateAndDisplay( const wxPoint& refpoint,
                                                                    bool           IncludePin )
/********************************************************************************************/

/** Function SchematicGeneralLocateAndDisplay
 * Overlayed function
 *  Find the schematic item at a given position
 *  the priority order is:
 *  - marker
 *  - noconnect
 *  - junction
 *  - wire/bus/entry
 *  - label
 *  - pin
 *  - component
 * @return  an EDA_BaseStruct pointer on the item or NULL if no item found
 * @param refpoint = the wxPoint loaction where to search
 * @param IncludePin = true to search for pins, fase to ignore them
 *
 *  For some items, caracteristics are displayed on the screen.
 */
{
    SCH_ITEM*      DrawStruct;
    LibDrawPin*    Pin;
    SCH_COMPONENT* LibItem;
    wxString       Text;
    wxString       msg;
    int            ii;

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), MARKERITEM );
    if( DrawStruct )
    {
        DrawMarkerStruct* Marker = (DrawMarkerStruct*) DrawStruct;
        ii   = Marker->m_Type;
        Text = Marker->GetComment();
        if( Text.IsEmpty() )
            Text = wxT( "NoComment" );
        msg = NameMarqueurType[ii]; msg << wxT( " << " ) << Text;
        Affiche_Message( msg );
        return DrawStruct;
    }

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), NOCONNECTITEM );
    if( DrawStruct )
    {
        MsgPanel->EraseMsgBox();
        return DrawStruct;
    }

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), JUNCTIONITEM );
    if( DrawStruct )
    {
        MsgPanel->EraseMsgBox();
        return DrawStruct;
    }

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), WIREITEM | BUSITEM | RACCORDITEM );
    if( DrawStruct )    // We have found a wire: Search for a connected pin at the same location
    {
        Pin = LocateAnyPin( (SCH_ITEM*) m_CurrentSheet->LastDrawList(), refpoint, &LibItem );
        if( Pin )
        {
            Pin->Display_Infos( this );
            if( LibItem )
                Affiche_1_Parametre( this, 1,
                                     LibItem->GetRef( GetSheet() ),
                                     LibItem->GetField( VALUE )->m_Text,
                                     CYAN );
        }
        else
            MsgPanel->EraseMsgBox();
        return DrawStruct;
    }

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), FIELDCMPITEM );
    if( DrawStruct )
    {
        SCH_CMP_FIELD* Field = (SCH_CMP_FIELD*) DrawStruct;
        LibItem = (SCH_COMPONENT*) Field->GetParent();
        LibItem->Display_Infos( this );

        return DrawStruct;
    }

    /* search for a pin */
    Pin = LocateAnyPin( (SCH_ITEM*) m_CurrentSheet->LastDrawList(), refpoint, &LibItem );
    if( Pin )
    {
        Pin->Display_Infos( this );
        if( LibItem )
            Affiche_1_Parametre( this, 1,
                                 LibItem->GetRef( GetSheet() ),
                                 LibItem->GetField( VALUE )->m_Text,
                                 CYAN );
        if( IncludePin == TRUE )
            return LibItem;
    }

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), LIBITEM );
    if( DrawStruct )
    {
        DrawStruct = LocateSmallestComponent( (SCH_SCREEN*) GetScreen() );
        LibItem    = (SCH_COMPONENT*) DrawStruct;
        LibItem->Display_Infos( this );
        return DrawStruct;
    }

    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), SHEETITEM );
    if( DrawStruct )
    {
        ( (DrawSheetStruct*) DrawStruct )->Display_Infos( this );
        return DrawStruct;
    }

    // Recherche des autres elements
    DrawStruct = (SCH_ITEM*) PickStruct( refpoint, GetScreen(), SEARCHALL );
    if( DrawStruct )
    {
        return DrawStruct;
    }

    MsgPanel->EraseMsgBox();
    return NULL;
}


/*************************************************************************************/
void WinEDA_SchematicFrame::GeneralControle( wxDC* DC, wxPoint MousePositionInPixels )
/*************************************************************************************/
{
    wxRealPoint delta;
    SCH_SCREEN* screen = GetScreen();
    wxPoint     curpos, oldpos;
    int         hotkey = 0;

    ActiveScreen = screen;

    curpos = screen->m_MousePosition;
    oldpos = screen->m_Curseur;

    delta = screen->GetGrid();
    screen->Scale( delta );

    if( delta.x <= 0 )
        delta.x = 1;
    if( delta.y <= 0 )
        delta.y = 1;

    switch( g_KeyPressed )
    {
    case 0:
        break;

    case WXK_NUMPAD8:       /* Deplacement curseur vers le haut */
    case WXK_UP:
        MousePositionInPixels.y -= wxRound(delta.y);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD2:       /* Deplacement curseur vers le bas */
    case WXK_DOWN:
        MousePositionInPixels.y += wxRound(delta.y);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD4:       /* Deplacement curseur vers la gauche */
    case WXK_LEFT:
        MousePositionInPixels.x -= wxRound(delta.x);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD6:      /* Deplacement curseur vers la droite */
    case WXK_RIGHT:
        MousePositionInPixels.x += wxRound(delta.x);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    default:
        hotkey = g_KeyPressed;
        break;
    }

    /* Recalcul de la position du curseur schema */
    screen->m_Curseur = curpos;

    /* Placement sur la grille generale */
    PutOnGrid( &(screen->m_Curseur) );

    if( screen->IsRefreshReq() )
    {
        RedrawActiveWindow( DC, TRUE );
    }

    if( oldpos != screen->m_Curseur )
    {
        curpos = screen->m_Curseur;
        screen->m_Curseur = oldpos;
        DrawPanel->CursorOff( DC );
        screen->m_Curseur = curpos;
        DrawPanel->CursorOn( DC );

        if( DrawPanel->ManageCurseur )
        {
            DrawPanel->ManageCurseur( DrawPanel, DC, TRUE );
        }
    }

    if( hotkey )
    {
        if( screen->GetCurItem() && screen->GetCurItem()->m_Flags )
            OnHotKey( DC, hotkey, screen->GetCurItem() );
        else
            OnHotKey( DC, hotkey, NULL );
    }

    UpdateStatusBar();    /* Display cursor coordintes info */
    SetToolbars();
}


/*************************************************************************************/
void WinEDA_LibeditFrame::GeneralControle( wxDC* DC, wxPoint MousePositionInPixels )
/*************************************************************************************/
{
    wxRealPoint      delta;
    SCH_SCREEN* screen = GetScreen();
    wxPoint     curpos, oldpos;
    int         hotkey = 0;

    ActiveScreen = screen;

    curpos = screen->m_MousePosition;
    oldpos = screen->m_Curseur;

    delta = screen->GetGrid();
    screen->Scale( delta );

    if( delta.x <= 0 )
        delta.x = 1;
    if( delta.y <= 0 )
        delta.y = 1;

    switch( g_KeyPressed )
    {
    case 0:
        break;

    case WXK_NUMPAD8:       /* Deplacement curseur vers le haut */
    case WXK_UP:
        MousePositionInPixels.y -= wxRound(delta.y);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD2:       /* Deplacement curseur vers le bas */
    case WXK_DOWN:
        MousePositionInPixels.y += wxRound(delta.y);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD4:       /* Deplacement curseur vers la gauche */
    case WXK_LEFT:
        MousePositionInPixels.x -= wxRound(delta.x);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD6:      /* Deplacement curseur vers la droite */
    case WXK_RIGHT:
        MousePositionInPixels.x += wxRound(delta.x);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    default:
        hotkey = g_KeyPressed;
        break;
    }

    /* Recalcul de la position du curseur schema */
    screen->m_Curseur = curpos;

    /* Placement sur la grille generale */
    PutOnGrid( &(screen->m_Curseur) );

    if( screen->IsRefreshReq() )
    {
        RedrawActiveWindow( DC, TRUE );
    }

    if( oldpos != screen->m_Curseur )
    {
        curpos = screen->m_Curseur;
        screen->m_Curseur = oldpos;
        DrawPanel->CursorOff( DC );
        screen->m_Curseur = curpos;
        DrawPanel->CursorOn( DC );

        if( DrawPanel->ManageCurseur )
        {
            DrawPanel->ManageCurseur( DrawPanel, DC, TRUE );
        }
    }

    if( hotkey )
    {
        if( screen->GetCurItem() && screen->GetCurItem()->m_Flags )
            OnHotKey( DC, hotkey, screen->GetCurItem() );
        else
            OnHotKey( DC, hotkey, NULL );
    }

    UpdateStatusBar();    /* Affichage des coord curseur */
    SetToolbars();
}


/*****************************************************************************/
void WinEDA_ViewlibFrame::GeneralControle( wxDC*   DC,
                                           wxPoint MousePositionInPixels )
{
    wxRealPoint      delta;
    SCH_SCREEN* screen = GetScreen();
    wxPoint     curpos, oldpos;
    int         hotkey = 0;

    ActiveScreen = screen;

    curpos = screen->m_MousePosition;
    oldpos = screen->m_Curseur;

    delta = screen->GetGrid();
    screen->Scale( delta );

    if( delta.x <= 0 )
        delta.x = 1;
    if( delta.y <= 0 )
        delta.y = 1;

    switch( g_KeyPressed )
    {
    case 0:
        break;

    case WXK_NUMPAD8:       /* Deplacement curseur vers le haut */
    case WXK_UP:
        MousePositionInPixels.y -= wxRound(delta.y);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD2:       /* Deplacement curseur vers le bas */
    case WXK_DOWN:
        MousePositionInPixels.y += wxRound(delta.y);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD4:       /* Deplacement curseur vers la gauche */
    case WXK_LEFT:
        MousePositionInPixels.x -= wxRound(delta.x);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    case WXK_NUMPAD6:      /* Deplacement curseur vers la droite */
    case WXK_RIGHT:
        MousePositionInPixels.x += wxRound(delta.x);
        DrawPanel->MouseTo( MousePositionInPixels );
        break;

    default:
        hotkey = g_KeyPressed;
        break;
    }

    /* Recalcul de la position du curseur schema */
    screen->m_Curseur = curpos;

    /* Placement sur la grille generale */
    PutOnGrid( &(screen->m_Curseur) );

    if( screen->IsRefreshReq() )
    {
        RedrawActiveWindow( DC, TRUE );
    }

    if( oldpos != screen->m_Curseur )
    {
        curpos = screen->m_Curseur;
        screen->m_Curseur = oldpos;
        DrawPanel->CursorOff( DC );
        screen->m_Curseur = curpos;
        DrawPanel->CursorOn( DC );

        if( DrawPanel->ManageCurseur )
        {
            DrawPanel->ManageCurseur( DrawPanel, DC, TRUE );
        }
    }

    if( hotkey )
    {
        if( screen->GetCurItem() && screen->GetCurItem()->m_Flags )
            OnHotKey( DC, hotkey, screen->GetCurItem() );
        else
            OnHotKey( DC, hotkey, NULL );
    }

    UpdateStatusBar();    /* Affichage des coord curseur */
    SetToolbars();
}