X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fcage.c;h=654510d28e51f15f159e7a69965a4e8f1cbea6d9;hb=39809ded547bdbb08207d3e514950425215b4410;hp=268d0830c604255b979221fc5d699c54fb3d1ed4;hpb=aa75c7476aeaa84cf3abc192b376a8b03c325213;p=xscreensaver

diff --git a/hacks/glx/cage.c b/hacks/glx/cage.c
index 268d0830..654510d2 100644
--- a/hacks/glx/cage.c
+++ b/hacks/glx/cage.c
@@ -82,8 +82,9 @@ static const char sccsid[] = "@(#)cage.c	5.01 2001/03/01 xlockmore";
 							"*wireframe:	False	\n"			\
 							"*suppressRotationAnimation: True\n" \
 
-# define refresh_cage 0
-# define cage_handle_event 0
+# define free_cage 0
+# define release_cage 0
+# define cage_handle_event xlockmore_no_events
 # include "xlockmore.h"		/* from the xscreensaver distribution */
 #else /* !STANDALONE */
 # include "xlock.h"		/* from the xlockmore distribution */
@@ -103,7 +104,7 @@ ENTRYPOINT ModeSpecOpt cage_opts =
 
 #ifdef USE_MODULES
 ModStruct   cage_description =
-{"cage", "init_cage", "draw_cage", "release_cage",
+{"cage", "init_cage", "draw_cage", NULL,
  "draw_cage", "change_cage", (char *) NULL, &cage_opts,
  25000, 1, 1, 1, 1.0, 4, "",
  "Shows the Impossible Cage, an Escher-like GL scene", 0, NULL};
@@ -295,8 +296,14 @@ reshape_cage(ModeInfo * mi, int width, int height)
 {
 	cagestruct *cp = &cage[MI_SCREEN(mi)];
 	int i;
+    int y = 0;
 
-	glViewport(0, 0, cp->WindW = (GLint) width, cp->WindH = (GLint) height);
+    if (width > height * 5) {   /* tiny window: show middle */
+      height = width * 9/16;
+      y = -height/2;
+    }
+
+	glViewport(0, y, cp->WindW = (GLint) width, cp->WindH = (GLint) height);
 	glMatrixMode(GL_PROJECTION);
 	glLoadIdentity();
 	glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
@@ -381,35 +388,12 @@ pinit(ModeInfo *mi)
 	glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
 }
 
-ENTRYPOINT void
-release_cage (ModeInfo * mi)
-{
-	if (cage != NULL) {
-		int screen;
-
-		for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
-			cagestruct *cp = &cage[screen];
-
-			if (cp->glx_context) {
-				cp->glx_context = (GLXContext *) NULL;
-			}
-		}
-		(void) free((void *) cage);
-		cage = (cagestruct *) NULL;
-	}
-	FreeAllGL(mi);
-}
-
 ENTRYPOINT void
 init_cage (ModeInfo * mi)
 {
 	cagestruct *cp;
 
-	if (cage == NULL) {
-		if ((cage = (cagestruct *) calloc(MI_NUM_SCREENS(mi),
-					       sizeof (cagestruct))) == NULL)
-			return;
-	}
+	MI_INIT (mi, cage);
 	cp = &cage[MI_SCREEN(mi)];
 
 	cp->step = NRAND(90);
@@ -469,7 +453,7 @@ draw_cage (ModeInfo * mi)
 	glRotatef(25 + cos(cp->step * 5) * 6, 1, 0, 0);
 	glRotatef(204.5 - sin(cp->step * 5) * 8, 0, 1, 0);
 	if (!draw_impossiblecage(mi, cp, MI_IS_WIREFRAME(mi))) {
-		release_cage(mi);
+		MI_ABORT(mi);
 		return;
 	}