From http://www.jwz.org/xscreensaver/xscreensaver-5.37.tar.gz

[xscreensaver] / hacks / glx / queens.c

diff --git a/hacks/glx/queens.c b/hacks/glx/queens.c
index c1871f53106365cbad466350ccb96e21600bff35..cd3867cf9af87498d8367146ff71aeb490aafef3 100644 (file)
--- a/hacks/glx/queens.c
+++ b/hacks/glx/queens.c
@@ -29,7 +29,7 @@
 # include "xlock.h"
 #endif
 
-#ifdef HAVE_COCOA
+#ifdef HAVE_JWXYZ
 # include "jwxyz.h"
 #else
 # include <X11/Xlib.h>
@@ -67,7 +67,7 @@ ENTRYPOINT ModeSpecOpt queens_opts = {countof(opts), opts, countof(vars), vars,
 
 #ifdef USE_MODULES
 ModStruct   queens_description =
-{"queens", "init_queens", "draw_queens", "release_queens",
+{"queens", "init_queens", "draw_queens", NULL,
  "draw_queens", "init_queens", NULL, &queens_opts,
  1000, 1, 2, 1, 4, 1.0, "",
  "Queens", 0, NULL};
@@ -111,37 +111,13 @@ queens_handle_event (ModeInfo *mi, XEvent *event)
 {
   Queenscreen *qs = &qss[MI_SCREEN(mi)];
 
-  if (event->xany.type == ButtonPress &&
-      event->xbutton.button == Button1)
+  if (gltrackball_event_handler (event, qs->trackball,
+                                 MI_WIDTH (mi), MI_HEIGHT (mi),
+                                 &qs->button_down_p))
+    return True;
+  else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
     {
-      qs->button_down_p = True;
-      gltrackball_start (qs->trackball,
-                         event->xbutton.x, event->xbutton.y,
-                         MI_WIDTH (mi), MI_HEIGHT (mi));
-      return True;
-    }
-  else if (event->xany.type == ButtonRelease &&
-           event->xbutton.button == Button1)
-    {
-      qs->button_down_p = False;
-      return True;
-    }
-  else if (event->xany.type == ButtonPress &&
-           (event->xbutton.button == Button4 ||
-            event->xbutton.button == Button5 ||
-            event->xbutton.button == Button6 ||
-            event->xbutton.button == Button7))
-    {
-      gltrackball_mousewheel (qs->trackball, event->xbutton.button, 5,
-                              !event->xbutton.state);
-      return True;
-    }
-  else if (event->xany.type == MotionNotify &&
-           qs->button_down_p)
-    {
-      gltrackball_track (qs->trackball,
-                         event->xmotion.x, event->xmotion.y,
-                         MI_WIDTH (mi), MI_HEIGHT (mi));
+      qs->steps = 1024 - 1;
       return True;
     }
 
@@ -436,7 +412,7 @@ static int drawBoard(Queenscreen *qs)
   return polys;
 }
 
-static int display(Queenscreen *qs) 
+static int display(ModeInfo *mi, Queenscreen *qs) 
 {
   int max = 1024;
   int polys = 0;
@@ -512,26 +488,6 @@ static int display(Queenscreen *qs)
   return polys;
 }
 
-static const GLfloat spidermodel[][3] =
-  {
-    {0.48, 0.48, 0.22},
-    {0.48, 0.34, 0.18},
-    {0.34, 0.34, 0.10},
-    {0.34, 0.18, 0.30},
-    {0.18, 0.14, 0.38},
-    {0.14, 0.29, 0.01},
-    {0.29, 0.18, 0.18},
-    {0.18, 0.18, 0.16},
-    {0.18, 0.20, 0.26},
-    {0.20, 0.27, 0.14},
-    {0.27, 0.24, 0.08},
-    {0.24, 0.17, 0.00},
-    {0.17, 0.095, 0.08},
-    {0.095, 0.07, 0.00},
-    {0.07, 0.00, 0.12},
-  };
-
-
 #define EPSILON 0.001
 
 #if 0
@@ -581,9 +537,7 @@ ENTRYPOINT void init_queens(ModeInfo *mi)
   wire = 0;
 # endif
 
-  if(!qss && 
-     !(qss = (Queenscreen *) calloc(MI_NUM_SCREENS(mi), sizeof(Queenscreen))))
-    return;
+  MI_INIT (mi, qss, NULL);
   
   qs = &qss[screen];
   qs->window = MI_WINDOW(mi);
@@ -593,7 +547,7 @@ ENTRYPOINT void init_queens(ModeInfo *mi)
   else
     MI_CLEARWINDOW(mi);
 
-  qs->trackball = gltrackball_init ();
+  qs->trackball = gltrackball_init (False);
 
   qs->BOARDSIZE = 8; /* 8 cuz its classic */
 
@@ -635,7 +589,7 @@ ENTRYPOINT void draw_queens(ModeInfo *mi)
   else
     glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 
-  mi->polygon_count = display(qs);
+  mi->polygon_count = display(mi, qs);
   mi->recursion_depth = qs->BOARDSIZE;
 
   if(mi->fps_p) do_fps(mi);