// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// Aegisub Project http://www.aegisub.org/

/// @file toggle_bitmap.cpp
/// @brief Toggle-button rendered as a bitmap on a coloured background
/// @ingroup custom_control
///

#include "toggle_bitmap.h"

#include "command/command.h"

#include <wx/dcbuffer.h>
#include <wx/settings.h>
#include <wx/tglbtn.h>

ToggleBitmap::ToggleBitmap(wxWindow *parent, agi::Context *context, const char *cmd_name, int icon_size, const char *ht_ctx, wxSize const& size)
: wxControl(parent, -1, wxDefaultPosition, wxDefaultSize, wxSUNKEN_BORDER)
, context(context)
, command(*cmd::get(cmd_name))
, imgs(command.Icon(icon_size))
, tool_tip_binding(this, command.StrHelp(), ht_ctx, cmd_name)
{
	wxBitmap img = imgs.GetBitmapFor(this);
	int w = size.GetWidth() != -1 ? size.GetWidth() : img.GetLogicalWidth();
	int h = size.GetHeight() != -1 ? size.GetHeight() : img.GetLogicalHeight();
	SetClientSize(w, h);
	GetSize(&w, &h);
	SetSizeHints(w, h, w, h);
	SetBackgroundStyle(wxBG_STYLE_PAINT);

	Bind(wxEVT_PAINT, &ToggleBitmap::OnPaint, this);
	Bind(wxEVT_LEFT_DOWN, &ToggleBitmap::OnMouseEvent, this);
}

void ToggleBitmap::OnMouseEvent(wxMouseEvent &) {
	if (command.Validate(context))
		command(context);
	Refresh(false);
}

void ToggleBitmap::OnPaint(wxPaintEvent &) {
	wxAutoBufferedPaintDC dc(this);

	// Get background color
	wxColour bgColor = command.IsActive(context) ? wxColour(0,255,0) : wxColour(255,0,0);
	wxColor sysCol = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNHIGHLIGHT);
	bgColor.Set(
		(sysCol.Red() + bgColor.Red()) / 2,
		(sysCol.Green() + bgColor.Green()) / 2,
		(sysCol.Blue() + bgColor.Blue()) / 2);

	dc.SetPen(*wxTRANSPARENT_PEN);
	dc.SetBrush(wxBrush(bgColor));
	dc.DrawRectangle(wxPoint(0, 0), GetClientSize());

	wxBitmap img = imgs.GetBitmapFor(this);
	wxSize excess = (GetClientSize() - img.GetLogicalSize()) / 2;
	dc.DrawBitmap(img, excess.GetX(), excess.GetY(), true);
}
