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- /* Wrapping Mouse -- a Mousebroken mouse module */
- /* written 11/93 by Mark Pilgrim */
- /* This module placed in the public domain. */
-
- #include "Retrace.h"
- #include "GestaltEQU.h"
-
- extern Boolean CrsrNew : 0x8CE;
- extern Point mTemp : 0x828;
- extern Point RawMouse : 0x82C;
-
- Rect gMainScreenBounds;
- unsigned long me;
-
- void header(void);
- void main(void);
-
- void header(void)
- {
- asm
- {
- dc.l 0
- move.l a0, d0
- lea header, a0
- jmp main
- }
- }
-
- #include "SetUpA4.h"
-
- void main(void)
- {
- VBLTask* myVBL;
- long gestalt_temp;
- OSErr isHuman;
-
- RememberA0();
- SetUpA4();
-
- asm
- {
- move.l d0, myVBL
- }
-
- if (me != 'MMdl')
- {
- isHuman = Gestalt(gestaltQuickdrawVersion, &gestalt_temp);
- gMainScreenBounds=(isHuman || (gestalt_temp < gestalt8BitQD)) ? screenBits.bounds :
- (**GetMainDevice()).gdRect;
- me = 'MMdl';
- }
-
- if (RawMouse.h==gMainScreenBounds.left)
- {
- RawMouse.h=mTemp.h=gMainScreenBounds.right-2;
- CrsrNew = TRUE;
- }
- else if (RawMouse.h==gMainScreenBounds.right-1)
- {
- RawMouse.h=mTemp.h=gMainScreenBounds.left+1;
- CrsrNew = TRUE;
- }
-
- if (RawMouse.v==gMainScreenBounds.top)
- {
- RawMouse.v=mTemp.v=gMainScreenBounds.bottom-2;
- CrsrNew = TRUE;
- }
- else if (RawMouse.v==gMainScreenBounds.bottom-1)
- {
- RawMouse.v=mTemp.v=gMainScreenBounds.top+1;
- CrsrNew = TRUE;
- }
-
- myVBL->vblCount = 1;
- RestoreA4();
- }
-