Patch for vice, the C64 emulator, to allow mouse acceleration option

mouseaccel

diff -c -r vice-2.2.orig/src/arch/sdl/mousedrv.c vice-2.2/src/arch/sdl/mousedrv.c
*** vice-2.2.orig/src/arch/sdl/mousedrv.c	Mon Sep 21 18:36:09 2009
--- vice-2.2/src/arch/sdl/mousedrv.c	Mon Nov 28 02:10:10 2011
***************
*** 31,41 ****
--- 31,45 ----
  
  #include <SDL/SDL.h>
  
+ #include "cmdline.h"
+ #include "translate.h"
+ #include "resources.h"
  #include "mouse.h"
  #include "mousedrv.h"
  #include "ui.h"
  
  int mouse_x, mouse_y;
+ static int mouse_accel = 2;
  int mouse_accelx = 2, mouse_accely = 2;
  
  void mousedrv_mouse_changed(void)
***************
*** 43,58 ****
      ui_check_mouse_cursor();
  }
  
! int mousedrv_resources_init(void)
  {
      return 0;
  }
  
  /* ------------------------------------------------------------------------- */
  
  int mousedrv_cmdline_options_init(void)
  {
!     return 0;
  }
  
  /* ------------------------------------------------------------------------- */
--- 47,84 ----
      ui_check_mouse_cursor();
  }
  
! static int set_mousedrv_accel(int v, void *param)
  {
+     mouse_accel = v;
+     mouse_accelx = v;
+     mouse_accely = v;
      return 0;
  }
  
+ static const resource_int_t resources_int[] = {
+     { "SDLMouseAccel", SDL_MOUSE_ACCEL, RES_EVENT_NO, NULL,
+       &mouse_accel, set_mousedrv_accel, NULL },
+     { NULL }
+ };
+ 
+ int mousedrv_resources_init(void)
+ {
+     return resources_register_int(resources_int);
+ }
+ 
  /* ------------------------------------------------------------------------- */
  
+ 
+ static const cmdline_option_t cmdline_options[] = {
+     { "-sdlmouseaccel", SET_RESOURCE, 1, NULL, NULL, "SDLMouseAccel", NULL,
+       USE_PARAM_STRING, USE_DESCRIPTION_STRING, IDCLS_UNUSED, IDCLS_UNUSED,
+       "<factor>", "Set mouse acceleration (default: 2)" },
+     { NULL }
+ };
+ 
  int mousedrv_cmdline_options_init(void)
  {
!     return cmdline_register_options(cmdline_options);
  }
  
  /* ------------------------------------------------------------------------- */
diff -c -r vice-2.2.orig/src/arch/sdl/mousedrv.h vice-2.2/src/arch/sdl/mousedrv.h
*** vice-2.2.orig/src/arch/sdl/mousedrv.h	Mon Sep 21 18:36:09 2009
--- vice-2.2/src/arch/sdl/mousedrv.h	Mon Nov 28 02:09:58 2011
***************
*** 43,46 ****
--- 43,48 ----
  extern int mouse_x, mouse_y;
  extern int mouse_accelx, mouse_accely;
  
+ #define SDL_MOUSE_ACCEL	2
+ 
  #endif