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- /*
- ** KBDSHIFT.C: Displays the state of the shift keys until
- ** the user presses <Escape>.
- */
-
- #include <pictor.h>
-
- char *labels[] = {
- "Right shift key down",
- "Left shift key down",
- "Ctrl-key down",
- "Alt key down",
- "Scroll Lock on",
- "Num Lock on",
- "Caps Lock on",
- "Insert on",
- };
-
- void main()
- {
- int i,shiftstate;
-
- /* initialize library */
- initvideo();
-
- /* clear screen and hide cursor */
- cls();
- showcurs(FALSE);
-
- setvpos(10,1);
- vputs("Press <Escape> to end");
-
- while(!kbdready() || kbdread() != ESCAPE_KEY) {
- shiftstate = kbdshift();
- for(i = 0;i < 8;i++) {
- setvpos(1 + i,1);
- xprintf(vputs,"%s: %s",labels[i],
- (shiftstate & (0x01 << i)) ? "Yes" : "No ");
- }
- }
-
- /* restore screen */
- showcurs(TRUE);
- cls();
- }
-