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# --- ROCK-COPYRIGHT-NOTE-BEGIN ---
#
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
# Please add additional copyright information _after_ the line containing
# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
# the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
#
# ROCK Linux: rock-src/package/jimmy/zgv/mousexy-fix.patch
# ROCK Linux is Copyright (C) 1998 - 2003 Clifford Wolf
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version. A copy of the GNU General Public
# License can be found at Documentation/COPYING.
#
# Many people helped and are helping developing ROCK Linux. Please
# have a look at http://www.rocklinux.org/ and the Documentation/TEAM
# file for details.
#
# --- ROCK-COPYRIGHT-NOTE-END ---
--- ./src/readnbkey.c.orig 2003-04-05 16:40:39.000000000 +0300
+++ ./src/readnbkey.c 2003-08-10 12:27:23.000000000 +0300
@@ -62,7 +62,7 @@
/* saved mx/my in in range 0..MPOS_SAVE_MAX. */
-#define MPOS_SAVE_MAX 16383
+#define MPOS_SAVE_MAX 16383.0
static int old_click_status=0,new_click_status=0;
@@ -276,7 +276,8 @@
}
-static int saved_mx=0,saved_my=0;
+/* All save/restore calculations are done in float to avoid int truncating. */
+static float saved_mx=0.0,saved_my=0.0;
/* save mouse pointer's current position. used when switching over
* to the panning-follows-mouse model used by vgadisp.c, so that on
@@ -288,7 +289,7 @@
*/
void save_mouse_pos()
{
-int mx,my;
+float mx,my;
if(!has_mouse) return;
@@ -297,13 +298,13 @@
*/
if(vga_getcurrentmode()==TEXT)
{
- mx=MPOS_SAVE_MAX/2;
- my=MPOS_SAVE_MAX/2;
+ mx=MPOS_SAVE_MAX/2.0;
+ my=MPOS_SAVE_MAX/2.0;
}
else
{
- mx=(mouse_getx()*MPOS_SAVE_MAX)/(vga_getxdim()-1);
- my=(mouse_gety()*MPOS_SAVE_MAX)/(vga_getydim()-1);
+ mx=(mouse_getx()*MPOS_SAVE_MAX)/(vga_getxdim()-1.0);
+ my=(mouse_gety()*MPOS_SAVE_MAX)/(vga_getydim()-1.0);
}
/* just in case */
if(mx>MPOS_SAVE_MAX) mx=MPOS_SAVE_MAX;
@@ -323,12 +324,13 @@
/* restore saved pos assuming given size screen */
void restore_mouse_pos_with_size(int width,int height)
{
-int mx,my;
+extern float roundf(float x); /* may be missing from math.h, must be declared */
+float mx,my;
if(!has_mouse) return;
-mx=(saved_mx*(width-1))/MPOS_SAVE_MAX;
-my=(saved_my*(height-1))/MPOS_SAVE_MAX;
+mx=roundf((saved_mx*(width-1.0))/MPOS_SAVE_MAX);
+my=roundf((saved_my*(height-1.0))/MPOS_SAVE_MAX);
/* just in case */
if(mx>width-1) mx=width-1;
if(my>height-1) my=height-1;