/***************/
/* eelayer.cpp */
/***************/

/* Set up color Layers for EESchema
 */

#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "eeschema_id.h"
#include "class_drawpanel.h"

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

#include "eelayer.h" // Header file associated with this file

// Local variables:
static int CurrentColor[NB_BUTT]; // Holds color for each layer while dialog box open

IMPLEMENT_DYNAMIC_CLASS( WinEDA_SetColorsFrame, wxDialog )

// Table of events for WinEDA_SetColorsFrame
BEGIN_EVENT_TABLE( WinEDA_SetColorsFrame, wxDialog )
    EVT_COMMAND_RANGE( ID_COLOR_SETUP, ID_COLOR_SETUP + NB_BUTT - 1,
                       wxEVT_COMMAND_BUTTON_CLICKED,
                       WinEDA_SetColorsFrame::SetColor )
    EVT_BUTTON( wxID_OK, WinEDA_SetColorsFrame::OnOkClick )
    EVT_BUTTON( wxID_CANCEL, WinEDA_SetColorsFrame::OnCancelClick )
    EVT_BUTTON( wxID_APPLY, WinEDA_SetColorsFrame::OnApplyClick )
END_EVENT_TABLE()


/**************************************************************/
void DisplayColorSetupFrame( WinEDA_DrawFrame* parent,
                             const wxPoint&    framepos )
{
/**************************************************************/
    WinEDA_SetColorsFrame* frame =
        new WinEDA_SetColorsFrame( parent, framepos );

    frame->ShowModal();
    frame->Destroy();
}


// Default Constructor (whose provision is mandated by the inclusion
// of DECLARE_DYNAMIC_CLASS( WinEDA_SetColorsFrame ) within eelayer.h)
WinEDA_SetColorsFrame::WinEDA_SetColorsFrame()
{
    Init();
}


// Standard Constructor
WinEDA_SetColorsFrame::WinEDA_SetColorsFrame( WinEDA_DrawFrame* parent,
                                              const wxPoint&    framepos )
{
    m_Parent = parent;
    Init();
    Create( parent,
            SYMBOL_WINEDA_SETCOLORSFRAME_IDNAME,
            SYMBOL_WINEDA_SETCOLORSFRAME_TITLE,
            framepos,
            wxDefaultSize,
            SYMBOL_WINEDA_SETCOLORSFRAME_STYLE );
}


// Destructor
WinEDA_SetColorsFrame::~WinEDA_SetColorsFrame()
{
}


/**********************************************************/
bool WinEDA_SetColorsFrame::Create( wxWindow*       parent,
                                    wxWindowID      id,
                                    const wxString& caption,
                                    const wxPoint&  pos,
                                    const wxSize&   size,
                                    long            style )
{
/**********************************************************/
    SetExtraStyle( wxWS_EX_BLOCK_EVENTS );
    wxDialog::Create( parent, id, caption, pos, size, style );

    CreateControls();
    if( GetSizer() )
    {
        GetSizer()->SetSizeHints( this );
    }
    return true;
}


/**********************************************************/
void WinEDA_SetColorsFrame::Init()
{
/**********************************************************/
    OuterBoxSizer  = NULL;
    MainBoxSizer   = NULL;
    ColumnBoxSizer = NULL;
    RowBoxSizer    = NULL;
    Label = NULL;
    BitmapButton = NULL;
    m_ShowGrid   = NULL;
    m_SelBgColor = NULL;
    Line = NULL;
    StdDialogButtonSizer = NULL;
    Button = NULL;
}


/**********************************************************/
void WinEDA_SetColorsFrame::CreateControls()
{
/**********************************************************/
    int lyr, grp, butt_ID, buttcolor;

    OuterBoxSizer = new wxBoxSizer( wxVERTICAL );
    SetSizer( OuterBoxSizer );

    MainBoxSizer = new wxBoxSizer( wxHORIZONTAL );
    OuterBoxSizer->Add( MainBoxSizer, 1, wxGROW | wxLEFT | wxRIGHT, 5 );

    // Add various items to the dialog box, as determined by the
    // details of each element contained within laytool_list[]
    for( lyr = 0, grp = 0; lyr < NB_BUTT; lyr++ )
    {
        // Look for the initial button of each group of controls.
        if( lyr == 0 || lyr == laytool_index[grp]->m_Index + 1 )
        {
            if( lyr != 0 )
                grp++;

            // Add another column sizer, unless the current value of
            // grp is BUTTON_GROUPS - 1. (The very last group of controls
            // differs from the previous groups in that its associated
            // controls are located in the same column as the controls
            // associated with the preceeding group.)
            if( grp < BUTTON_GROUPS - 1 )
            {
                ColumnBoxSizer = new wxBoxSizer( wxVERTICAL );
                MainBoxSizer->Add( ColumnBoxSizer,
                                   1,
                                   wxALIGN_TOP | wxLEFT | wxTOP,
                                   5 );
            }
            else
            {
                // Add a spacer to better separate the text string (which is
                // about to be added) from the items located above it.
                ColumnBoxSizer->AddSpacer( 5 );
            }

            RowBoxSizer = new wxBoxSizer( wxHORIZONTAL );
            ColumnBoxSizer->Add( RowBoxSizer,
                                 0,
                                 wxGROW | wxLEFT | wxRIGHT | wxBOTTOM,
                                 5 );

            // Add a text string to identify the following set of controls
            Label = new wxStaticText( this, -1, laytool_index[grp]->m_Name,
                                      wxDefaultPosition, wxDefaultSize, 0 );

            // Make this text string bold (so that it stands out better)
            Label->SetFont( wxFont( wxNORMAL_FONT->GetPointSize(),
                                    wxNORMAL_FONT->GetFamily(),
                                    wxNORMAL, wxBOLD, false,
                                    wxNORMAL_FONT->GetFaceName() ) );

            RowBoxSizer->Add( Label, 1, wxALIGN_CENTER_VERTICAL | wxALL, 5 );
        }

        RowBoxSizer = new wxBoxSizer( wxHORIZONTAL );
        ColumnBoxSizer->Add( RowBoxSizer, 0, wxGROW | wxALL, 0 );

        butt_ID = ID_COLOR_SETUP + lyr;
        laytool_list[lyr]->m_Id = butt_ID;
        wxMemoryDC iconDC;
        wxBitmap   ButtBitmap( BUTT_SIZE_X, BUTT_SIZE_Y );

        iconDC.SelectObject( ButtBitmap );
        buttcolor = *laytool_list[lyr]->m_Color;
        CurrentColor[lyr] = buttcolor;
        wxBrush Brush;
        iconDC.SelectObject( ButtBitmap );
        iconDC.SetPen( *wxBLACK_PEN );
        Brush.SetColour( ColorRefs[buttcolor].m_Red,
                         ColorRefs[buttcolor].m_Green,
                         ColorRefs[buttcolor].m_Blue );
        Brush.SetStyle( wxSOLID );

        iconDC.SetBrush( Brush );
        iconDC.DrawRectangle( 0, 0, BUTT_SIZE_X, BUTT_SIZE_Y );

        BitmapButton =
            new wxBitmapButton( this, butt_ID, ButtBitmap, wxDefaultPosition,
                                wxSize( BUTT_SIZE_X, BUTT_SIZE_Y ) );
        RowBoxSizer->Add( BitmapButton,
                          0,
                          wxALIGN_CENTER_VERTICAL | wxRIGHT | wxBOTTOM,
                          5 );

        laytool_list[lyr]->m_Button = BitmapButton;

        // Add a text string, unless the current value of lyr is NB_BUTT - 1
        if( lyr < NB_BUTT - 1 )
        {
            Label =
                new wxStaticText( this, wxID_STATIC,
                                  wxGetTranslation( laytool_list[lyr]->m_Name ),
                                  wxDefaultPosition, wxDefaultSize, 0 );
            RowBoxSizer->Add( Label, 1, wxALIGN_CENTER_VERTICAL | wxBOTTOM, 5 );
        }
        else
        {
            // Special case; provide a checkbox instead (rather than a text
            // string).
            m_ShowGrid =
                new wxCheckBox( this, ID_CHECKBOX_SHOW_GRID, _( "Grid" ),
                                wxDefaultPosition, wxDefaultSize, 0 );
            m_ShowGrid->SetValue( m_Parent->IsGridVisible() );
            RowBoxSizer->Add( m_ShowGrid,
                              1,
                              wxALIGN_CENTER_VERTICAL | wxBOTTOM,
                              5 );
        }
    }

    // Add a spacer to improve appearance.
    ColumnBoxSizer->AddSpacer( 5 );

    wxArrayString m_SelBgColorStrings;
    m_SelBgColorStrings.Add( _( "White" ) );
    m_SelBgColorStrings.Add( _( "Black" ) );
    m_SelBgColor =
        new wxRadioBox( this, ID_RADIOBOX_BACKGROUND_COLOR,
                        _( "Background Color:" ),
                        wxDefaultPosition, wxDefaultSize,
                        m_SelBgColorStrings, 1, wxRA_SPECIFY_COLS );
    m_SelBgColor->SetSelection( ( g_DrawBgColor == BLACK ) ? 1 : 0 );
    ColumnBoxSizer->Add( m_SelBgColor,
                         1,
                         wxGROW | wxRIGHT | wxTOP | wxBOTTOM,
                         5 );

    // Provide a line to separate all of the controls added so far from the
    // "OK", "Cancel", and "Apply" buttons (which will be added after that
    // line).
    Line = new wxStaticLine( this, -1, wxDefaultPosition, wxDefaultSize,
                             wxLI_HORIZONTAL );
    OuterBoxSizer->Add( Line, 0, wxGROW | wxALL, 5 );

    // Provide a StdDialogButtonSizer to accommodate the OK, Cancel, and Apply
    // buttons; using that type of sizer results in those buttons being
    // automatically located in positions appropriate for each (OS) version of
    // KiCad.
    StdDialogButtonSizer = new wxStdDialogButtonSizer;
    OuterBoxSizer->Add( StdDialogButtonSizer, 0, wxGROW | wxALL, 10 );

    Button = new wxButton( this, wxID_OK, _( "OK" ), wxDefaultPosition,
                           wxDefaultSize, 0 );
    StdDialogButtonSizer->AddButton( Button );

    Button = new wxButton( this, wxID_CANCEL, _( "Cancel" ),
                           wxDefaultPosition, wxDefaultSize, 0 );
    StdDialogButtonSizer->AddButton( Button );
    Button->SetFocus();

    Button = new wxButton( this, wxID_APPLY, _( "Apply" ), wxDefaultPosition,
                           wxDefaultSize, 0 );
    StdDialogButtonSizer->AddButton( Button );

    StdDialogButtonSizer->Realize();

    // (Dialog now needs to be resized, but the associated command is found
    // elsewhere.)
}


/**********************************************************/
void WinEDA_SetColorsFrame::SetColor( wxCommandEvent& event )
{
/**********************************************************/
    int             id = event.GetId();
    int             color;

    wxBitmapButton* Button;

    color = DisplayColorFrame( this,
                               CurrentColor[id - ID_COLOR_SETUP] );

    if( color < 0 )
        return;

    if( CurrentColor[id - ID_COLOR_SETUP] == color )
        return;

    CurrentColor[id - ID_COLOR_SETUP] = color;
    wxMemoryDC iconDC;

    Button = laytool_list[id - ID_COLOR_SETUP]->m_Button;

    wxBitmap ButtBitmap = Button->GetBitmapLabel();
    iconDC.SelectObject( ButtBitmap );
    wxBrush  Brush;
    iconDC.SetPen( *wxBLACK_PEN );
    Brush.SetColour( ColorRefs[color].m_Red,
                     ColorRefs[color].m_Green,
                     ColorRefs[color].m_Blue );
    Brush.SetStyle( wxSOLID );

    iconDC.SetBrush( Brush );
    iconDC.DrawRectangle( 0, 0, BUTT_SIZE_X, BUTT_SIZE_Y );
    Button->SetBitmapLabel( ButtBitmap );
    Button->Refresh();

    Refresh( FALSE );
}


/******************************************************************/
void WinEDA_SetColorsFrame::UpdateLayerSettings()
{
/******************************************************************/
    // Update colors for each layer
    for( int lyr = 0; lyr < NB_BUTT; lyr++ )
    {
        // (As a bitmap button has been provided for *every* layer,
        // it is not necessary to check whether it actually has been
        // provided for each of those layers.)
        *laytool_list[lyr]->m_Color = CurrentColor[lyr];
    }

    // Update whether grid is actually displayed or otherwise
    // The previous command compiles OK, but to prevent a warning
    // from being generated when the Linux version is being compiled,
    // the next two commands are provided instead.
    m_Parent->SetGridVisibility( m_ShowGrid->GetValue() );

    // Update color of background
    if( m_SelBgColor->GetSelection() == 0 )
        g_DrawBgColor = WHITE;
    else
        g_DrawBgColor = BLACK;

    m_Parent->Refresh();
}


/**********************************************************************/
void WinEDA_SetColorsFrame::OnOkClick( wxCommandEvent& WXUNUSED( event ) )
{
/**********************************************************************/
    UpdateLayerSettings();
    m_Parent->DrawPanel->Refresh();
    EndModal( 1 );
}


/*******************************************************************/
void WinEDA_SetColorsFrame::OnCancelClick( wxCommandEvent& WXUNUSED( event ) )
{
/*******************************************************************/
    EndModal( -1 );
}


/*******************************************************************/
void WinEDA_SetColorsFrame::OnApplyClick( wxCommandEvent& WXUNUSED( event ) )
{
/*******************************************************************/
    UpdateLayerSettings();
    m_Parent->DrawPanel->Refresh();
}


/*************************/
void SeedLayers()
{
/*************************/
    LayerStruct* LayerPointer = &g_LayerDescr;
    int          pt;

    LayerPointer->CommonColor = WHITE;
    LayerPointer->Flags = 0;
    pt = 0;
    LayerPointer->CurrentWidth = 1;

    /* seed Up the Layer colours, set all user layers off */
    for( pt = 0; pt < MAX_LAYERS; pt++ )
    {
        LayerPointer->LayerStatus[pt] = 0;
        LayerPointer->LayerColor[pt]  = DARKGRAY;
    }

    LayerPointer->NumberOfLayers = pt - 1;
    /* Specific colors: update by reading the config. */
}


/***************************************/
EDA_Colors ReturnLayerColor( int Layer )
{
/****************************************/
    if( g_LayerDescr.Flags == 0 )
        return (EDA_Colors) g_LayerDescr.LayerColor[Layer];
    else
        return (EDA_Colors) g_LayerDescr.CommonColor;
}