GuiLite/workspace/widgets_include/button.h

#ifndef GUILITE_WIDGETS_INCLUDE_BUTTON_H
#define GUILITE_WIDGETS_INCLUDE_BUTTON_H

#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/display.h"
#include "../core_include/theme.h"

#define GL_BN_CLICKED							0x1111
#define ON_GL_BN_CLICKED(func)                                       \
{MSG_TYPE_WND, GL_BN_CLICKED, 0, msgCallback(&func)},

typedef struct struct_bitmap_info BITMAP_INFO;
class c_button : public c_wnd
{
protected:
	virtual void 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;
		}
	}
	virtual void on_focus()
	{
		m_status = STATUS_FOCUSED;
		on_paint();
	}
	virtual void on_kill_focus()
	{
		m_status = STATUS_NORMAL;
		on_paint();
	}
	virtual void 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);
	}

	virtual void 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, 0);
		}
	}
	virtual void on_navigate(NAVIGATION_KEY key)
	{
		switch (key)
		{
		case NAV_ENTER:
			on_touch(m_wnd_rect.m_left, m_wnd_rect.m_top, TOUCH_DOWN);
			on_touch(m_wnd_rect.m_left, m_wnd_rect.m_top, TOUCH_UP);
			break;
		case NAV_FORWARD:
		case NAV_BACKWARD:
			break;
		}
		return c_wnd::on_navigate(key);
	}
};

#endif