/* $Id: keyconfigwindow.cpp,v 1.6 2005/12/18 14:43:44 chfreund Exp $ */

#include "keyconfigwindow.hpp"
#include "keyboardconfig.hpp"
#include "keytable.hpp"
#include "textlabel.h"
#include "textfield.h"
#include "button.h"

KeyConfigWindow::KeyConfigWindow( KeyboardConfig* config, Uint32 width, Uint32 height )
	: m_config( config ), m_selectedKeyIndex( -1 ), m_keyFontSize( 14 ) {
	m_normalColor.r = 0;
	m_normalColor.g = 0;
	m_normalColor.b = 0;
	m_highlightColor.r = 255;
	m_highlightColor.g = 0;
	m_highlightColor.b = 0;
	
	m_container1 = new WidgetComposite();
	TableLayout* layout1 = new TableLayout( m_container1, 2 );
	layout1->setHorizontalSpacing( 10 );
	layout1->setColumnStretch( 1, FILL );
	m_container1->setLayout( layout1 );
	m_container1->setWidth( ( width - 20 ) / 2 );
	
	m_container2 = new WidgetComposite();
	TableLayout* layout2 = new TableLayout( m_container2, 2 );
	layout2->setHorizontalSpacing( 10 );
	layout2->setColumnStretch( 1, FILL );
	m_container2->setLayout( layout2 );
	m_container2->setWidth( ( width - 20 ) / 2 );
	
	addKeys();
	
	m_columnContainer = new WidgetComposite();
	HorizontalLayout* columnLayout = new HorizontalLayout( m_columnContainer );
	// columnLayout->setSpacing( 15 );
	m_columnContainer->setLayout( columnLayout );
	m_columnContainer->setWidth( width );
	m_columnContainer->add( m_container1 );
	m_columnContainer->add( m_container2 );
	
	SDL_Color blue = { 0, 0, 255, 0 };
	TextLabel* label = new TextLabel( "Click on key name to change key assignment" );
	label->setColor( blue );
	m_backButton = new TextButton( "Back" );
	m_backButton->setWidth( width );
	m_backButton->setHighlightable( true );
	m_backButton->addActionListener( this );
	
	m_mainContainer = new WidgetComposite();
	VerticalLayout* mainLayout = new VerticalLayout( m_mainContainer );
	m_mainContainer->setLayout( mainLayout );
	m_mainContainer->add( m_columnContainer );
	m_mainContainer->add( label );
	m_mainContainer->add( m_backButton );
	
	setTitle( "Keyboard configuration" );
	setWidget( m_mainContainer );
}

void KeyConfigWindow::actionPerformed( Uint32 cmd, void* source ) {
	if ( source == m_backButton && cmd == Button::BUTTON_PRESSED ) {
		fireAction( BACK_PRESSED, this );
	}
	else {
		for ( int i = 0; i < KeyboardConfig::LAST_KEY_ID; i++ ) {
			if ( source == m_labels[i] || source == m_values[i] ) {
				m_values[i]->setText( "Press new key" );
				m_values[i]->setColor( m_highlightColor );
				m_selectedKeyIndex = i;
				return;
			}
		}
	}
}

bool KeyConfigWindow::handleEvent( SDL_Event* event ) {
	if ( m_selectedKeyIndex > -1 ) {
		if ( event->type == SDL_KEYDOWN ) {
			if ( event->key.keysym.sym != SDLK_ESCAPE ) {
				m_config->key[m_selectedKeyIndex] = event->key.keysym.sym;
			}
			m_values[m_selectedKeyIndex]->setText( KeyTable::getKeyName( m_config->key[m_selectedKeyIndex] ) );
			m_values[m_selectedKeyIndex]->setColor( m_normalColor );
			m_selectedKeyIndex = -1;
		}
		return true;
	}
	else {
		if ( event->type == SDL_KEYDOWN ) {
			if ( event->key.keysym.sym == SDLK_ESCAPE ) {
				fireAction( BACK_PRESSED, this );
				return true;
			}
		}
	}
	return m_mainContainer->handleEvent( event );
}

void KeyConfigWindow::addKeys() {
	for ( int i = 0; i < KeyboardConfig::LAST_KEY_ID / 2; i++ ) {
		TextLabel* label = new TextLabel( KeyboardConfig::keyName[i],
		                                  m_keyFontSize );
		label->setColor( m_normalColor );
		label->addActionListener( this );
		TextLabel* value = new TextLabel( KeyTable::getKeyName( m_config->key[i] ),
		                                  m_keyFontSize );
		value->setColor( m_normalColor );
		value->addActionListener( this );
		m_labels.push_back( label );
		m_values.push_back( value );
		m_container1->add( label );
		m_container1->add( value );
	}

	for ( int i = KeyboardConfig::LAST_KEY_ID / 2; i < KeyboardConfig::LAST_KEY_ID; i++ ) {
		TextLabel* label = new TextLabel( KeyboardConfig::keyName[i],
		                                  m_keyFontSize );
		label->setColor( m_normalColor );
		label->addActionListener( this );
		TextLabel* value = new TextLabel( KeyTable::getKeyName( m_config->key[i] ),
		                                  m_keyFontSize );
		value->setColor( m_normalColor );
		value->addActionListener( this );
		m_labels.push_back( label );
		m_values.push_back( value );
		m_container2->add( label );
		m_container2->add( value );
	}
}

void KeyConfigWindow::updateKeys() {
	for ( int i = 0; i < KeyboardConfig::LAST_KEY_ID / 2; i++ ) {
		TextLabel* value = m_values[i];
		value->setText( KeyTable::getKeyName( m_config->key[i] ) );
	}

	for ( int i = KeyboardConfig::LAST_KEY_ID / 2; i < KeyboardConfig::LAST_KEY_ID; i++ ) {
		TextLabel* value = m_values[i];
		value->setText( KeyTable::getKeyName( m_config->key[i] ) );
	}
}