roll_bar.c

LINUX下POS收银系统,可以对货物及工作人员进行管理.近本实现增删改查的功能

#include "roll_bar.h"



////////////////////////////////////////////////////////////////////////////////
int get_input_string(struct roll_bar *r,int (*get_s)(struct roll_bar *))
{
	get_s(r);
}
void free_roll_bar(ROLL_BAR **r)
{
	free((*r));
	(*r)=NULL;
}
void print_a_page_infor(struct roll_bar *r,void (*print_p)(struct roll_bar *))
{
	print_p(r);
}
void print_a_infor(struct roll_bar *r,int choise,void (*print_p)(struct roll_bar *,int c))
{
	print_p(r,choise);
}
void action_r(struct roll_bar *r,void (*action)(struct roll_bar *))
{
	action(r);
}
ROLL_BAR *create_roll_bar(LINK **link,FRAME **frame,INPUT **input,int startx,int starty,int height,int length,int *color)
{
	ROLL_BAR *r=(ROLL_BAR *)malloc(sizeof(ROLL_BAR));
	r->link=link;
	r->frame=frame;
	r->input=input;
	r->colors=color;
	r->startXY[0]=startx;
	r->startXY[1]=starty;
	r->height_and_length[0]=height;
	r->height_and_length[1]=length;
	r->current_place=1;
	r->current_suffix=1;

	r->get_input_string=get_input_string;
	r->print_one_page=print_a_page_infor;
	r->print_one=print_a_infor;
	r->action=action_r;
	r->free=free_roll_bar;

	return r;
}