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/*
* This file is part of diff-pdf.
*
* Copyright (C) 2009 TT-Solutions.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _gutter_h_
#define _gutter_h_
#include <vector>
#include <wx/image.h>
#include <wx/bitmap.h>
#include <wx/vlbox.h>
class WXDLLIMPEXP_FWD_CORE wxScrolledWindow;
// widget showing places of differences as well as scroll window's position
class Gutter : public wxVListBox
{
public:
// standard width of the gutter image in pixels
static const int WIDTH = 100;
// standard border
static const int BORDER = 5;
Gutter(wxWindow *parent, wxWindowID winid);
// Add a new page to the gutter, with thumbnail's background to be shown
void AddPage(const wxString& label, const wxImage& thumbnail);
// Set the bitmap with thumbnail's background to be shown
void SetThumbnail(int page, const wxImage& thumbnail);
// Updates shown view position, i.e. the visible subset of scrolled window.
// The gutter will indicate this area with a blue rectangle.
void UpdateViewPos(wxScrolledWindow *win);
protected:
virtual wxCoord OnMeasureItem(size_t n) const;
virtual void OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const;
private:
std::vector<wxString> m_labels;
std::vector<wxBitmap> m_backgrounds;
wxRect m_viewPos;
int m_fontHeight;
};
#endif // _gutter_h_
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