// Copyright (c) 2005, Rodrigo Braz Monteiro
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// Aegisub Project http://www.aegisub.org/
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// $Id$

/// @file hilimod_textctrl.cpp
/// @brief Edit control that changes colour when its contents are modified
/// @ingroup custom_control
///


////////////
// Includes
#include "config.h"

#include "compat.h"
#include "hilimod_textctrl.h"
#include "main.h"
#include "options.h"


/// @brief Constructor 
/// @param parent    
/// @param id        
/// @param value     
/// @param pos       
/// @param size      
/// @param style     
/// @param validator 
/// @param name      
///
HiliModTextCtrl::HiliModTextCtrl(wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator, const wxString& name) :
wxTextCtrl(parent,id,value,pos,size,style,validator,name)
{
	UpdateLocked = false;
	isModified = false;
	orig = GetValue();

	Connect(wxEVT_COMMAND_TEXT_UPDATED,wxCommandEventHandler(HiliModTextCtrl::OnModified));
}



/// @brief Modified event 
/// @param event 
/// @return 
///
void HiliModTextCtrl::OnModified(wxCommandEvent &event) {
	if (UpdateLocked) return;
	Modified();
	event.Skip();
}



/// @brief Commited event 
///
void HiliModTextCtrl::Commited() {
	if (isModified) {
		orig = GetValue();
		SetBackgroundColour(wxNullColour);
		Refresh(false);
		isModified = false;
	}
}



/// @brief Set value 
/// @param value 
///
void HiliModTextCtrl::SetValue(const wxString& value) {
	UpdateLocked = true;
	orig = value;
	wxTextCtrl::SetValue(value);
	Commited();
	UpdateLocked = false;
}



/// @brief Was modified 
///
void HiliModTextCtrl::Modified() {
	bool match = GetValue() == orig;

	// Different from original
	if (!isModified && !match) {
		isModified = true;
		SetBackgroundColour(lagi_wxColour(OPT_GET("Colour/Background/Modified")->GetColour()));
		Refresh(false);
	}

	// Same as original
	if (isModified && match) {
		SetBackgroundColour(wxNullColour);
		Refresh(false);
		isModified = false;
	}
}