#include "core_include/api.h"
#include "core_include/rect.h"
#include "core_include/cmd_target.h"
#include "core_include/wnd.h"
#include "core_include/resource.h"
#include "core_include/bitmap.h"
#include "core_include/word.h"
#include "core_include/surface.h"
#include "core_include/theme.h"
#include "../widgets_include/button.h"

void c_button::pre_create_wnd()
{
	m_attr = (WND_ATTRIBUTION)(ATTR_VISIBLE | ATTR_FOCUS);
	m_font_type = c_theme::get_font(FONT_DEFAULT);
	m_font_color = c_theme::get_color(COLOR_WND_FONT);
}

void c_button::on_focus()
{
	m_status = STATUS_FOCUSED;
	on_paint();
}

void c_button::on_kill_focus()
{
	m_status = STATUS_NORMAL;
	on_paint();
}

bool c_button::on_touch(int x, int y, TOUCH_ACTION action)
{
	if (action == TOUCH_DOWN)
	{
		m_parent->set_child_focus(this);
		m_status = STATUS_PUSHED;
		on_paint();
	}
	else
	{
		m_status = STATUS_FOCUSED;
		on_paint();
		notify_parent(GL_BN_CLICKED, get_id(), 0);
	}
	return true;
}

bool c_button::on_key(KEY_TYPE key)
{
	if (key == KEY_ENTER)
	{
		notify_parent(GL_BN_CLICKED, get_id(), 0);
		return false;// Do not handle KEY_ENTER by other wnd.
	}
	return true;// Handle KEY_FOWARD/KEY_BACKWARD by parent wnd.
}

void c_button::on_paint()
{
	c_rect rect;
	get_screen_rect(rect);

	switch(m_status)
	{
	case STATUS_NORMAL:
		m_surface->fill_rect(rect, c_theme::get_color(COLOR_WND_NORMAL), m_z_order);
		if (m_str)
		{
			c_word::draw_string_in_rect(m_surface, m_z_order, m_str, rect, m_font_type, m_font_color, c_theme::get_color(COLOR_WND_NORMAL), ALIGN_HCENTER | ALIGN_VCENTER);
		}
		break;
	case STATUS_FOCUSED:
		m_surface->fill_rect(rect, c_theme::get_color(COLOR_WND_FOCUS), m_z_order);
		if (m_str)
		{
			c_word::draw_string_in_rect(m_surface, m_z_order, m_str, rect, m_font_type, m_font_color, c_theme::get_color(COLOR_WND_FOCUS), ALIGN_HCENTER | ALIGN_VCENTER);
		}
		break;
	case STATUS_PUSHED:
		m_surface->fill_rect(rect, c_theme::get_color(COLOR_WND_PUSHED), m_z_order);
		m_surface->draw_rect(rect, c_theme::get_color(COLOR_WND_BORDER), 2, m_z_order);
		if (m_str)
		{
			c_word::draw_string_in_rect(m_surface, m_z_order, m_str, rect, m_font_type, m_font_color, c_theme::get_color(COLOR_WND_PUSHED), ALIGN_HCENTER | ALIGN_VCENTER);
		}
		break;
	default:
		ASSERT(false);
		break;
	}
}