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don't position mouse if the location remains the same. Fixes some sticky mouse behaviour

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2311
This commit is contained in:
Peter Veenstra 2005-09-11 20:56:48 +00:00
parent 933642091d
commit a39d291266
1 changed files with 10 additions and 8 deletions
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18
src/ints/mouse.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: mouse.cpp,v 1.51 2005-08-10 15:35:54 qbix79 Exp $ */
/* $Id: mouse.cpp,v 1.52 2005-09-11 20:56:48 qbix79 Exp $ */
#include <string.h>
#include <math.h>
@ -619,14 +619,16 @@ static Bitu INT33_Handler(void) {
reg_dx=POS_Y;
break;
case 0x04: /* Position Mouse */
if(reg_cx > mouse.max_x) mouse.x = static_cast<float>(mouse.max_x);
else if (mouse.min_x > reg_cx) mouse.x = static_cast<float>(mouse.min_x);
else mouse.x = static_cast<float>(reg_cx);
if(reg_dx > mouse.max_y) mouse.y = static_cast<float>(mouse.max_y);
else if (mouse.min_y > reg_dx) mouse.y = static_cast<float>(mouse.min_y);
else mouse.y = static_cast<float>(reg_dx);
/* If position isn't different from current position
* don't change it then. (as position is rounded so numbers get
* lost when the rounded number is set) (arena/simulation Wolf) */
if(reg_cx >= mouse.max_x) mouse.x = static_cast<float>(mouse.max_x);
else if (mouse.min_x >= reg_cx) mouse.x = static_cast<float>(mouse.min_x);
else if (reg_cx != POS_X) mouse.x = static_cast<float>(reg_cx);
if(reg_dx >= mouse.max_y) mouse.y = static_cast<float>(mouse.max_y);
else if (mouse.min_y >= reg_dx) mouse.y = static_cast<float>(mouse.min_y);
else if (reg_dx != POS_Y) mouse.y = static_cast<float>(reg_dx);
DrawCursor();
break;
case 0x05: /* Return Button Press Data */