以前dos下写的一个图形窗口的程序代码-gpopup.h，使用了mouse代码，实现了图形状态下的窗

以下代码在dos/turbo_C2.0编译通过，并使用良好，只是没有注释，
我也忘了，大家根据函数名猜吧。
http://leadgenius.cublog.cn/
/* gpopup.h */

#define Ctrwin 999

#define xul wc.viewinfo.left

#define yul wc.viewinfo.top

#define xlr wc.viewinfo.right

#define ylr wc.viewinfo.bottom

enum windowtype{popup，tile};

typedef struct wincolors_struct{

        struct linesettingstype lineinfo;

        struct fillsettingstype fillinfo;

        struct textsettingstype textinfo;

        struct linesettingstype brdinfo;

        strct viewporttype viewinfo;

        char  border_type;

        unsigned char border_color，text_xolor，hilite_color，back_color;

}wincolors;



typedef struct winstruct{

        char *name;

        void *image;

        struct winstruct *under，*over;

        wincolors wc;

        int wd，t;

        int xsave，ysave;

        enum windowtype wtype;

}windesc;

extern windesc *base_win;

extern windesc *curr_win;

extern wincolors dercolors;

extern int graphdriver;

extern int graphmode;

extern char *pathdriver;

#define rmv_win(w)  (view_win(w，0))

#define slct_ein(w) (view_win(w，1))

extern void init_win(void);

extern windesc *draw_win(int x，int y，int wd，int ht，char *title，

                enum windowtype wt，wincolors *wc);

extern void clr_win(void);

extern void view_win(windesc *this，int select);

extern void chgviewport(windesc *this);

extern void swap_image(windesc *w);