fifteen.c

EGui是一个开源的图形系统软件,类似于QT/Embedded、GTK-FB、MicroWindow。目标是嵌入式平台整合解 决方案。基于Linux Framebuffer 设备驱动上实现。有完

#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>

#include <Egui.h>
#include <widget.h>

EGui_FBinfo Efbinfo;

int bw = 40, bh = 30;		/* button w,h */
int ww = 200, wh = 200;		/* window w,h */

struct pos_xy{
  short x;
  short y;
  short id;
};

struct pos_xy array_16[16];

EGui_Widget * button[15];
EGui_Widget * button_win ;

int find_array_by_id (short id);
void random_pos ();

void 
button_click ( EGui_Widget     *widget)
{
  int i,pos,can_move;
  short id;
  short winid;

  /* find widget  */
  for (i=0;i<15;i++)
    {
      if (widget == button[i])
	{
	  id = i;
	  break;
	}
    }
  
  pos = find_array_by_id (id);
  can_move = find_empty (pos);
  
  if (can_move == 16)
    return ;

  widget_move (widget,array_16[can_move].x,array_16[can_move].y);

  array_16[pos].id      = 15;
  array_16[can_move].id = id;

  winid = find_winid ();
  if (winid == 16)
    {
      widget_set_name(button_win,"YOU WIN!");
      widget_draw (button_win);
    }
  widget_draw (widget->parent);
}

void 
button_win_click ( EGui_Widget     *widget)
{
  int i;
  int bu;

  widget_set_name(widget,"New Start");
  widget_draw (widget);
  
  random_pos ();

  for (i=0;i<16;i++)
    {
      bu = array_16[i].id;
      if (bu != 15)
	widget_move (button[bu],array_16[i].x,array_16[i].y);
    }
  widget_draw (widget->parent);

}

int
find_array_by_id (short id)
{
  int i;
  
  for (i=0;i<16;i++)
    {
      if (array_16[i].id == id)
	return i;
    }
  
  return 15;

}

int
find_winid ()
{
  int i;
  
  for (i=0;i<16;i++)
    {
      if (array_16[i].id != i)
	return i;
    }
  return 16;
}

int 
find_empty(int pos)
{
  int new_pos;
  
  new_pos = pos + 1;
  
  if (( 0 <= new_pos) && (new_pos <16))
    {
      if (array_16[new_pos].id == 15)
	return new_pos;
    }

  new_pos = pos - 1;
  
  if ( 0 <= new_pos && new_pos <16)
    {
      if (array_16[new_pos].id == 15)
	return new_pos;
    }

  new_pos = pos + 4;
  
  if ( 0 <= new_pos && new_pos <16)
    {
      if (array_16[new_pos].id == 15)
	return new_pos;
    }

  new_pos = pos - 4;
  
  if ( 0 <= new_pos && new_pos <16)
    {
      if (array_16[new_pos].id == 15)
	return new_pos;
    }
  return 16;
}

void
init_pos ()
{
  int pos_startx,pos_starty;
  int i,j;
  
  pos_startx = ww / 2 - 2 * bw - 2;
  pos_starty = wh / 2 - 2 * bh - 2;
  
  for (i=0;i<4;i++)
    {
      for (j=0;j<4;j++)
	{
	  array_16[i*4+j].x = pos_startx + (1+bw) * j + 1 ;
	  array_16[i*4+j].y = pos_starty + (1+bh) * i + 1 ;
	}
    }

}

void
random_pos ()
{
  array_16[0].id = 7 ;
  array_16[1].id = 9;
  array_16[2].id = 3;
  array_16[3].id = 5;
  array_16[4].id = 8;
  array_16[5].id = 10;
  array_16[6].id = 13;
  array_16[7].id = 2;
  array_16[8].id = 15;
  array_16[9].id = 4;
  array_16[10].id = 1;
  array_16[11].id = 6;
  array_16[12].id = 14;
  array_16[13].id = 12;
  array_16[14].id = 11;
  array_16[15].id = 0; 

}

void
create_buttons (EGui_Widget *parent)
{
  int i;
  int pos;
  char name[2];

  for (i=0;i<15;i++)
    {
      pos = find_array_by_id (i);
      button[i] = new_button (parent,array_16[pos].x,array_16[pos].y,bw,bh);
      sprintf (name,"%d",i);
      widget_set_name(button[i],name);
      widget_show(button[i]);
      widget_register_callback (button[i], BUTTON_CLICK_LEFT,button_click);
    }
  
}

int
main(int argc, char **argv)
{
  char * rgbbuf;
  int width,height;
  Ecolor * bgcolor;
  int w,h;
  EGui_Window * ewindow;
  EGui_Widget * form;
  EGui_Widget * button1, * button2;
  EGui_Widget * win;

  if (Egui_open (&Efbinfo))
    return ;

  bgcolor = malloc (sizeof ( Ecolor));
  if (bgcolor == NULL)
    {
      printf ("malloc color ERROR\n");
      return -1;
    }

  bgcolor->r = bgcolor->g = bgcolor->b = 0xcc;
  /* create window will initial color's pixel. 
   */
  ewindow = Egui_CreateWindow (&Efbinfo,150,100,ww,
			       wh,bgcolor,EGUI_WINDOW_TOP);
  if (ewindow == NULL)
    {
      printf ("New windows failed\n");
      Egui_close ();
      return 1;
    }

  Egui_SetWindowName(ewindow,"Fifteen");

  Egui_drawwindow(ewindow);

  win = new_widget_window(ewindow);
  widget_show(win);

  form = new_form (win);
  widget_show (form);
  
  /* init position */
  init_pos ();
  /* get random pos */
  random_pos ();

  create_buttons (form);
  

  button_win = new_button (form,20,170,100,25);
  widget_set_name(button_win,"New Start");
  widget_show(button_win);
  widget_register_callback (button_win, BUTTON_CLICK_LEFT,button_win_click);

  widget_draw (win);
  
  egui_loop ();

  Egui_CloseWindow (ewindow);
  free (bgcolor);
  Egui_close ();
}