#include "desktop.h"

#include "string.h"
#include "stddef.h"

static desktop_vtable_t desktop_vtable = {
	{
		{
			desktop_draw,
			composite_widget_get_focus,
			widget_model_to_screen,
			widget_contains_coordinate,
			desktop_on_mouse_down,
			desktop_on_mouse_up,
			desktop_on_mouse_move,
			composite_widget_on_key_down,
			composite_widget_on_key_up
		},
		composite_widget_add_child
	}
};

void desktop_init( desktop_t *desktop, const int w, const int h, const vga_color_t background_color )
{
	memset( desktop, 0, sizeof( desktop_t ) );

	composite_widget_init( &desktop->base, NULL, 0, 0, w, h, background_color );	

	desktop->vtable = &desktop_vtable;
}

void desktop_draw( void *obj, graphics_context_t *context )
{
	desktop_t *desktop = obj;

	vga_clear_screen( context, desktop->base.base.background_color );

	((widget_vtable_t *)(desktop->base.vtable))->draw( obj, context );

	// TODO: use a mouse bitmap and copy it
/*
	for( int i = 0; i < 4; i++ ) {
		vga_set_pixel( context, 
void vga_set_pixel( vga_t *vga, const int x, const int y, const vga_color_t color );
	}
*/
}

void desktop_on_mouse_down( void *obj, const int x, const int y )
{
}

void desktop_on_mouse_up( void *obj, const int x, const int y )
{
}

void desktop_on_mouse_move( void *obj, const int old_x, const int old_y, const int x, const int y )
{
}