vahid
بي تو هرگز
Joined: 26 Nov 2004
Posts: 3067
Location: Tehran
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 Posted: Mon Apr 04, 2005 8:40 am Post subject: |
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يه مثال برات ميزنم تحليلش كن:
| #include "dos.h"
#include "graphics.h"
union REGS i, o ;
main( )
{
int gd = DETECT, gm, maxx, maxy, x, y, button ;
initgraph ( &gd, &gm, "c:\\tc\\bgi" ) ;
maxx = getmaxx( ) ;
maxy = getmaxy( ) ;
rectangle ( 0, 56, maxx, maxy ) ;
setviewport ( 1, 57, maxx - 1, maxy - 1, 1 ) ;
gotoxy ( 26, 1 ) ;
printf ( "Mouse Demonstration Program" ) ;
if ( initmouse( ) == 0 )
{
closegraph( ) ;
restorecrtmode( ) ;
printf ( "\nMouse driver not loaded" ) ;
exit ( 1 ) ;
}
restrictmouseptr ( 1, 57, maxx - 1, maxy - 1 ) ;
showmouseptr( ) ;
gotoxy ( 1, 2 ) ;
printf ( "Left Button" ) ;
gotoxy ( 15, 2 ) ;
printf ( "Right Button" ) ;
gotoxy ( 55, 3 ) ;
printf ( "Press any key to exit..." ) ;
while ( !kbhit( ) )
{
getmousepos ( &button, &x, &y ) ;
gotoxy ( 5, 3 ) ;
( button & 1 ) == 1 ? printf ( "DOWN" ) : printf ( "UP " ) ;
gotoxy ( 20, 3 ) ;
( button & 2 ) == 2 ? printf ( "DOWN" ) : printf ( "UP " ) ;
gotoxy ( 65, 2 ) ;
printf ( "X = %03d y = %03d", x, y ) ;
}
}
/* initialises mouse */
initmouse( )
{
i.x.ax = 0 ;
int86 ( 0x33, &i, &o ) ;
return ( o.x.ax ) ;
}
/* displays mouse pointer */
showmouseptr( )
{
i.x.ax = 1 ;
int86 ( 0x33, &i, &o ) ;
}
/* restricts mouse movement */
restrictmouseptr ( int x1, int y1, int x2, int y2 )
{
i.x.ax = 7 ;
i.x.cx = x1 ;
i.x.dx = x2 ;
int86 ( 0x33, &i, &o ) ;
i.x.ax = 8 ;
i.x.cx = y1 ;
i.x.dx = y2 ;
int86 ( 0x33, &i, &o ) ;
}
/* gets mouse coordinates and button status */
getmousepos ( int *button, int *x, int *y )
{
i.x.ax = 3 ;
int86 ( 0x33, &i, &o ) ;
*button = o.x.bx ;
*x = o.x.cx ;
*y = o.x.dx ;
} |
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