X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fkumppa.c;h=7e8839265c602c46ed0ffe957c49f8ed30b13c27;hb=a719ec12b8b2563112366a8ac3196816fd64d2c7;hp=953f3c30e1920df7c315f505a6881bc7f9fc0a68;hpb=481b95e2617b69e6fd4444432747d7e1e0c3dc85;p=xscreensaver

diff --git a/hacks/kumppa.c b/hacks/kumppa.c
index 953f3c30..7e883926 100644
--- a/hacks/kumppa.c
+++ b/hacks/kumppa.c
@@ -41,9 +41,9 @@ from the X Consortium.
 #include <math.h>
 #include "screenhack.h"
 
-#ifdef HAVE_XDBE_EXTENSION
-# include <X11/extensions/Xdbe.h>
-#endif /* HAVE_XDBE_EXTENSION */
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
+# include "xdbe.h"
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
 
 char *progclass="Kumppa";
 
@@ -51,6 +51,10 @@ char *defaults [] ={
 	".background:		black",
 	"*speed:		0.1",
 	"*delay:		0",
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
+        /* leave this off by default, since it slows things down.  -- jwz. */
+        "*useDBE:		False",
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
 	0
 };
 
@@ -58,9 +62,9 @@ XrmOptionDescRec options [] = {
 	{"-delay",".delay",XrmoptionSepArg,0},
 	{"-speed",".speed",XrmoptionSepArg,0},
 	{"-random",".random",XrmoptionIsArg,0},
-#ifdef HAVE_XDBE_EXTENSION
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
 	{"-dbuf",".dbuf",XrmoptionIsArg,0},
-#endif /* HAVE_XDBE_EXTENSION */
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
 	{0,0,0,0}
 };
 
@@ -88,9 +92,9 @@ static int sizx,sizy;
 static int midx,midy;
 static unsigned long delay;
 static Bool cosilines=True;
-#ifdef HAVE_XDBE_EXTENSION
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
 static Bool usedouble=False;
-#endif /* HAVE_XDBE_EXTENSION */
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
 
 static int *Xrotations;
 static int *Yrotations;
@@ -145,7 +149,7 @@ int x,y;
 int dx,dy;
 
 rx=Xrottable[stateX+1]-Xrottable[stateX];
-ry=Yrottable[stateX+1]-Yrottable[stateY];
+ry=Yrottable[stateY+1]-Yrottable[stateY];
 
 
 for (x=0;x<=rx;x++)
@@ -186,7 +190,7 @@ if (stateY==rotsizeY) stateY=0;
 
 Bool make_rots(double xspeed,double yspeed)
 {
-int a,b,c,f,g,j,k,l;
+int a,b,c,f,g,j,k=0,l;
 double m,om,ok;
 double d,ix,iy;
 int maxi;
@@ -377,19 +381,15 @@ XSetGraphicsExposures(dpy,cgc,False);
 
 if (get_string_resource("random","String")!=NULL && get_string_resource("random","String")[0]!=0) cosilines=False;
 
-#ifdef HAVE_XDBE_EXTENSION
-if (get_string_resource("dbuf","String")!=NULL && get_string_resource("dbuf","String")[0]!=0) usedouble=True;
-if (usedouble)
-	{
-	XdbeQueryExtension(dpy,&n,&i);
-	if (n==0 && i==0)
-		{
-		fprintf(stderr,"Double buffer extension not supported!\n");
-		usedouble=False;
-		}
-	}
-if (usedouble) win[1]=XdbeAllocateBackBufferName(dpy,win[0],XdbeUndefined);
-#endif /* HAVE_XDBE_EXTENSION */
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
+ usedouble = True;
+ win[1] = xdbe_get_backbuffer (dpy, win[0], XdbeUndefined);
+ if (!win[1])
+   {
+     usedouble = False;
+     win[1] = win[0];
+   }
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
 
 delay=get_integer_resource("delay","Integer");
 rspeed=get_float_resource("speed","Float");
@@ -417,24 +417,24 @@ return True;
 
 void screenhack(Display *d, Window w)
 {
-#ifdef HAVE_XDBE_EXTENSION
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
 XdbeSwapInfo xdswp;
-#endif /* HAVE_XDBE_EXTENSION */
-int a,b,c,e;
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
+int a,b,c=0,e;
 float f;
 
 dpy=d;
 win[0]=w;
 if (!InitializeAll()) return;
 
-#ifdef HAVE_XDBE_EXTENSION
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
 if (usedouble)
 	{
 	xdswp.swap_action=XdbeUndefined;
 	xdswp.swap_window=win[0];
 	}
  else
-#endif /* HAVE_XDBE_EXTENSION */
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
    win[1]=win[0];
 
 while (0==0)
@@ -472,10 +472,11 @@ while (0==0)
 		}
 	XFillRectangle(dpy,win[0],fgc[32],midx-2,midy-2,4,4);
 	rotate();
-#ifdef HAVE_XDBE_EXTENSION
+#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
 	if (usedouble) XdbeSwapBuffers(dpy,&xdswp,1);
-#endif /* HAVE_XDBE_EXTENSION */
-	XSync(dpy,True);
+#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
+	XSync(dpy, False);
+        screenhack_handle_events (dpy);
 	if (delay) usleep (delay);
 	}
 }