New Cvar function: Cvar_SetFlags. Yes, it's there for completeness.

Some minor changes to DGA code I couldn't be bothered to back out before
I committed.  They don't hurt anything, but they don't really improve
matters much either.  The mouse cursor still doesn't get warped off the
screen, but it's no longer bright blue - now it's black and white like
normal.  I'm rewriting the damned DGA code from scratch to Get It Right
this time.

include/cvar.h

@@ -76,34 +76,42 @@ typedef struct cvar_alias_s
 // "look, the user made fs_basepath already", uses the users value, but sets
 // CVAR_ROM as per the call.
 
+
+// Returns the Cvar if found, creates it with value if not.  Description and
+// flags are always updated.
 cvar_t	*Cvar_Get (char *name, char *value, int cvarflags, char *description);
 
 cvar_t	*Cvar_FindAlias (char *alias_name);
 
 void	Cvar_Alias_Get (char *name, cvar_t *cvar);
 
+// equivelants to "<name> <variable>" typed at the console
 void 	Cvar_Set (cvar_t *var, char *value);
-// equivelant to "<name> <variable>" typed at the console
 void	Cvar_SetValue (cvar_t *var, float value);
-float	Cvar_VariableValue (char *var_name);
+
+// allows you to change a Cvar's flags without a full Cvar_Get
+void	Cvar_SetFlags (cvar_t *var, int cvarflags);
+
 // returns 0 if not defined or non numeric
+float	Cvar_VariableValue (char *var_name);
 
-char	*Cvar_VariableString (char *var_name);
 // returns an empty string if not defined
+char	*Cvar_VariableString (char *var_name);
 
-char 	*Cvar_CompleteVariable (char *partial);
 // attempts to match a partial variable name for command line completion
 // returns NULL if nothing fits
+char 	*Cvar_CompleteVariable (char *partial);
 
-qboolean Cvar_Command (void);
 // called by Cmd_ExecuteString when Cmd_Argv(0) doesn't match a known
 // command.  Returns true if the command was a variable reference that
 // was handled. (print or change)
+qboolean Cvar_Command (void);
 
-void 	Cvar_WriteVariables (FILE *f);
 // Writes lines containing "set variable value" for all variables
 // with the archive flag set to true.
+void 	Cvar_WriteVariables (FILE *f);
 
+// Returns a pointer to the Cvar, NULL if not found
 cvar_t *Cvar_FindVar (char *var_name);
 
 void Cvar_Init();

source/cvar.c

@@ -200,12 +200,12 @@ void Cvar_Set (cvar_t *var, char *value)
 
 	Cvar_Info(var);
 }
-/*
 
+
+/*
 	Cvar_SetROM
 
 	doesn't check for CVAR_ROM flag
-
 */
 void Cvar_SetROM (cvar_t *var, char *value)
 {
@@ -464,3 +464,18 @@ cvar_t *Cvar_Get(char *name, char *string, int cvarflags, char *description)
 	}
 	return v;
 }
+
+/*
+	Cvar_SetFlags
+
+	sets a Cvar's flags simply and easily
+*/
+void
+Cvar_SetFlags (cvar_t *var, int cvarflags);
+{
+	if (var == NULL)
+		return;
+
+	var->flags = cvarflags;
+}
+

source/in_x11.c

@@ -70,7 +70,7 @@ cvar_t		*_windowed_mouse;
 cvar_t		*m_filter;
 #ifdef HAVE_DGA
 cvar_t		*in_dgamouse;
-cvar_t		*vid_dga_mouseaccel;
+cvar_t		*in_dga_mouseaccel;
 #endif
 
 static qboolean	mouse_avail;
@@ -297,8 +297,8 @@ event_motion(XEvent *event)
 {
 #ifdef HAVE_DGA
 	if (in_dgamouse->value) {
-		mouse_x += event->xmotion.x_root * vid_dga_mouseaccel->value;
-		mouse_y += event->xmotion.y_root * vid_dga_mouseaccel->value;
+		mouse_x += event->xmotion.x_root * in_dga_mouseaccel->value;
+		mouse_y += event->xmotion.y_root * in_dga_mouseaccel->value;
 	} else
 #endif
 	{
@@ -461,11 +461,20 @@ IN_Init(void)
 
 	_windowed_mouse = Cvar_Get ("_windowed_mouse","0",CVAR_ARCHIVE,"None");
 	m_filter = Cvar_Get ("m_filter","0",CVAR_ARCHIVE,"None");
+	in_dgamouse = Cvar_Get ("in_dgamouse", "0", CVAR_NONE,
+			"1 if you have DGA mouse support");
+	
+
+	if (COM_CheckParm("-nomouse")) return 1;
 #ifdef HAVE_DGA
-	vid_dga_mouseaccel = Cvar_Get ("vid_dga_mouseaccel","1",CVAR_ARCHIVE,
+	in_dga_mouseaccel = Cvar_Get ("in_dga_mouseaccel","1",CVAR_ARCHIVE,
 					"None");
 
-	if (!COM_CheckParm("-nodga")) {
+	if (!COM_CheckParm("-nodga"))
+	{
+		XGrabKeyboard (x_disp, x_win, True, GrabModeAsync, 
+				GrabModeAsync, CurrentTime);
+
 		// XF86DGASetViewPort, XF86DGASetVidPage, and XF86DGADirectVideo's
 		// XF86DGADirectVideo flag are disabled till someone has a chance to
 		// figure out what's wrong with them (if anything)  --KB
@@ -476,29 +485,30 @@ IN_Init(void)
 						   XF86DGADirectMouse|XF86DGADirectKeyb);
 		//	XF86DGASetVidPage(x_disp, DefaultScreen(x_disp), 0);
 
-		XGrabKeyboard (x_disp, x_win, True, GrabModeAsync, 
-				GrabModeAsync, CurrentTime);
-
-		XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, scr_width,
-				scr_height);
+		XWarpPointer(x_disp, None, x_win, 0, 0, 0, 0,
+				vid.width, vid.height);
+//		XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, scr_width,
+//				scr_height);
 
 		XGrabPointer (x_disp, x_win, True, MOUSE_MASK, GrabModeAsync,
 				GrabModeAsync, x_win, None, CurrentTime);
 
-		in_dgamouse = Cvar_Get ("in_dgamouse", "1", CVAR_ROM,
-				"1 if you have DGA mouse support");
-	} else
-		in_dgamouse = Cvar_Get ("in_dgamouse", "0", CVAR_ROM,
-				"1 if you have DGA mouse support");
-
+		Cvar_Set (in_dgamouse, "1");
+	}
 #endif
-	if (COM_CheckParm("-nomouse")) return 1;
+
+	in_dgamouse = Cvar_Get ("in_dgamouse", "0", CVAR_ROM,
+			"1 if you have DGA mouse support");
+
 	mouse_x = mouse_y = 0.0;
 	mouse_avail = 1;
 
 	/* Invisible cursor */
-	CreateNullCursor(x_disp, x_win);
-	XDefineCursor(x_disp, x_win, nullcursor);
+	if (!in_dgamouse->value)
+	{
+		CreateNullCursor(x_disp, x_win);
+		XDefineCursor(x_disp, x_win, nullcursor);
+	}
 
 	x11_add_event(KeyPress, &event_key);
 	x11_add_event(KeyRelease, &event_key);

source/vid_glx.c

@@ -92,7 +92,7 @@ unsigned char	d_15to8table[65536];
 cvar_t	*vid_mode;
 cvar_t	*vid_fullscreen;
 extern cvar_t	*gl_triplebuffer;
-extern cvar_t *vid_dga_mouseaccel;
+extern cvar_t	*in_dga_mouseaccel;
 
 #ifdef HAVE_VIDMODE
 static XF86VidModeModeInfo **vidmodes;
@@ -420,7 +420,7 @@ void VID_Init(unsigned char *palette)
 	gl_ztrick = Cvar_Get ("gl_ztrick","0",CVAR_ARCHIVE,"None");
 	vid_fullscreen = Cvar_Get ("vid_fullscreen","0",0,"None");
 #ifdef HAVE_DGA
-	vid_dga_mouseaccel = Cvar_Get("vid_dga_mouseaccel","1",CVAR_ARCHIVE,
+	in_dga_mouseaccel = Cvar_Get("vid_dga_mouseaccel","1",CVAR_ARCHIVE,
 					"None");
 #endif
 	vid.maxwarpwidth = WARP_WIDTH;