Aegisub/aegisub/src/hilimod_textctrl.cpp

// 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.
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

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


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

#include "hilimod_textctrl.h"
#include "options.h"


///////////////
// Constructor
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));
}


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


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


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


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

	// Different from original
	if (!isModified && !match) {
		isModified = true;
		SetBackgroundColour(Options.AsColour(_T("Edit Box Need Enter Background")));
		Refresh(false);
	}

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