From http://www.jwz.org/xscreensaver/xscreensaver-5.30.tar.gz

[xscreensaver] / hacks / glx / hypertorus.c

diff --git a/hacks/glx/hypertorus.c b/hacks/glx/hypertorus.c
index a7d3ed950a77673a62de69bbdd29e910a3f8cd4c..b4cc8afb24860239bf1e9f5ce28dd57a2b1ce561 100644 (file)
--- a/hacks/glx/hypertorus.c
+++ b/hacks/glx/hypertorus.c
@@ -95,8 +95,9 @@ static const char sccsid[] = "@(#)hypertorus.c  1.2 05/09/28 xlockmore";
 #endif /* !STANDALONE */
 
 #ifdef USE_GL
-
-#include <X11/keysym.h>
+#ifndef HAVE_COCOA
+# include <X11/keysym.h>
+#endif
 
 #include "gltrackball.h"
 
@@ -630,16 +631,12 @@ static void init(ModeInfo *mi)
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
+# ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
   if (display_mode == DISP_WIREFRAME)
-  {
-    glDisable(GL_DEPTH_TEST);
-    glShadeModel(GL_FLAT);
-    glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
-    glDisable(GL_LIGHTING);
-    glDisable(GL_LIGHT0);
-    glDisable(GL_BLEND);
-  }
-  else if (display_mode == DISP_SURFACE)
+    display_mode = DISP_SURFACE;
+# endif
+
+  if (display_mode == DISP_SURFACE)
   {
     glEnable(GL_DEPTH_TEST);
     glDepthFunc(GL_LESS);
@@ -675,7 +672,7 @@ static void init(ModeInfo *mi)
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA,GL_ONE);
   }
-  else
+  else  /* display_mode == DISP_WIREFRAME */
   {
     glDisable(GL_DEPTH_TEST);
     glShadeModel(GL_FLAT);
@@ -747,9 +744,12 @@ ENTRYPOINT void reshape_hypertorus(ModeInfo *mi, int width, int height)
 
 ENTRYPOINT Bool hypertorus_handle_event(ModeInfo *mi, XEvent *event)
 {
-  Display *display = MI_DISPLAY(mi);
   hypertorusstruct *hp = &hyper[MI_SCREEN(mi)];
-  KeySym  sym;
+  KeySym  sym = 0;
+  char c = 0;
+
+  if (event->xany.type == KeyPress || event->xany.type == KeyRelease)
+    XLookupString (&event->xkey, &c, 1, &sym, 0);
 
   if (event->xany.type == ButtonPress &&
       event->xbutton.button == Button1)
@@ -768,7 +768,6 @@ ENTRYPOINT Bool hypertorus_handle_event(ModeInfo *mi, XEvent *event)
   }
   else if (event->xany.type == KeyPress)
   {
-    sym = XKeycodeToKeysym(display,event->xkey.keycode,0);
     if (sym == XK_Shift_L || sym == XK_Shift_R)
     {
       hp->current_trackball = 1;
@@ -781,7 +780,6 @@ ENTRYPOINT Bool hypertorus_handle_event(ModeInfo *mi, XEvent *event)
   }
   else if (event->xany.type == KeyRelease)
   {
-    sym = XKeycodeToKeysym(display,event->xkey.keycode,0);
     if (sym == XK_Shift_L || sym == XK_Shift_R)
     {
       hp->current_trackball = 0;
@@ -832,8 +830,8 @@ ENTRYPOINT void init_hypertorus(ModeInfo *mi)
   hp = &hyper[MI_SCREEN(mi)];
 
   
-  hp->trackballs[0] = gltrackball_init();
-  hp->trackballs[1] = gltrackball_init();
+  hp->trackballs[0] = gltrackball_init(True);
+  hp->trackballs[1] = gltrackball_init(True);
   hp->current_trackball = 0;
   hp->button_pressed = False;