/*
  Copyright 2010-2011 Grégory Soutadé

  This file is part of KissCount.

  KissCount 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 3 of the License, or
  (at your option) any later version.

  KissCount 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 KissCount.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "wxGridCellButtonRenderer.h"

wxGridCellButtonRenderer::wxGridCellButtonRenderer(const wxString& text) : _text(text)
{

}

wxGridCellRenderer* wxGridCellButtonRenderer::Clone () const
{
    return new wxGridCellButtonRenderer(_text);
}

void wxGridCellButtonRenderer::Draw (wxGrid &grid, wxGridCellAttr &attr, wxDC &dc, const wxRect &_rect, int row, int col, bool isSelected)
{
    wxRect rect = _rect;
    wxCoord w, h, descent, external_leading;

    wxBrush originalBrush = dc.GetBrush();
    wxPen originalPen = dc.GetPen();

    dc.SetPen(wxPen(*wxLIGHT_GREY));
    dc.SetBrush(wxBrush(grid.GetCellBackgroundColour(row, col)));
    dc.DrawRectangle(rect);

    rect.x += 2 ;
    rect.y += 2 ;
    rect.width  -= 6 ;
    rect.height -= 6 ;

    dc.SetPen(wxPen(*wxWHITE));
    dc.DrawLine(rect.x, rect.y, rect.x + rect.width, rect.y);
    dc.DrawLine(rect.x, rect.y, rect.x, rect.y + rect.height);

    dc.SetPen(wxPen(*wxBLACK));
    dc.DrawLine(rect.x, rect.y + rect.height, rect.x + rect.width + 1, rect.y + rect.height);
    dc.DrawLine(rect.x + rect.width, rect.y, rect.x + rect.width, rect.y + rect.height);

    dc.SetPen(wxPen(wxColor(0x80, 0x80, 0x80)));
    dc.DrawLine(rect.x + 1, rect.y + rect.height - 1, rect.x + rect.width - 1, rect.y + rect.height - 1);
    dc.DrawLine(rect.x + rect.width - 1, rect.y + 1, rect.x + rect.width - 1, rect.y + rect.height);

    rect.x += 1 ;
    rect.y += 1 ;
    rect.width  -= 2 ;
    rect.height -= 2 ;

    dc.SetPen(wxPen(*wxLIGHT_GREY));
    dc.SetBrush(wxBrush(*wxLIGHT_GREY));
    dc.DrawRectangle(rect);
    
    dc.GetTextExtent(_text, &w, &h, &descent, &external_leading);

    if (w < rect.width)
        rect.x += (rect.width - w) / 2;

    if (h < rect.height)
        rect.y += (rect.height - h) / 2;

    rect.y -= (external_leading + descent);

    dc.SetTextForeground(*wxBLACK);
    // dc.SetTextBackground(wxColor(128, 128, 128, 255));
    dc.SetTextBackground(*wxLIGHT_GREY);

    dc.DrawText(_text, rect.x, rect.y);

    dc.SetBrush(originalBrush);
    dc.SetPen(originalPen);
}

wxSize wxGridCellButtonRenderer::GetBestSize (wxGrid &grid, wxGridCellAttr &attr, wxDC &dc, int row, int col)
{
    wxCoord w, h;

    dc.GetTextExtent(_text, &w, &h);
    return wxSize(w+14, h+14); // (2 + 2 + 3) * 2
}