From http://www.jwz.org/xscreensaver/xscreensaver-5.38.tar.gz

[xscreensaver] / hacks / glx / carousel.c

diff --git a/hacks/glx/carousel.c b/hacks/glx/carousel.c
index 23e0ef3a7a423fe462cb7fe450efbb3b74360fc0..119c9bb6bdbdf130f64e6e87a0b6ff87044ecaf7 100644 (file)
--- a/hacks/glx/carousel.c
+++ b/hacks/glx/carousel.c
@@ -24,7 +24,7 @@
                  "*grabDesktopImages:   False \n" \
                  "*chooseRandomImages:  True  \n"
 
-# define refresh_carousel 0
+# define free_carousel 0
 # define release_carousel 0
 # include "xlockmore.h"
 
@@ -46,7 +46,7 @@
 #include "grab-ximage.h"
 #include "texfont.h"
 
-# ifndef HAVE_COCOA
+# ifndef HAVE_JWXYZ
 #  include <X11/Intrinsic.h>     /* for XrmDatabase in -debug mode */
 # endif
 
@@ -232,6 +232,11 @@ load_image (ModeInfo *mi, image_frame *frame)
       int h = (MI_HEIGHT(mi) / 2) - 1;
       if (w <= 10) w = 10;
       if (h <= 10) h = 10;
+
+      if (w > h * 5) {   /* tiny window: use 16:9 boxes */
+        h = w * 9/16;
+      }
+
       load_texture_async (mi->xgwa.screen, mi->window, *ss->glx_context, w, h,
                           mipmap_p, frame->loading.texid, 
                           image_loaded_cb, frame);
@@ -399,8 +404,15 @@ ENTRYPOINT void
 reshape_carousel (ModeInfo *mi, int width, int height)
 {
   GLfloat h = (GLfloat) height / (GLfloat) width;
+  int y = 0;
+
+  if (width > height * 5) {   /* tiny window: show middle */
+    height = width * 9/16;
+    y = -height/2;
+    h = height / (GLfloat) width;
+  }
 
-  glViewport (0, 0, (GLint) width, (GLint) height);
+  glViewport (0, y, (GLint) width, (GLint) height);
 
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
@@ -463,7 +475,7 @@ carousel_handle_event (ModeInfo *mi, XEvent *event)
 static void
 hack_resources (Display *dpy)
 {
-# ifndef HAVE_COCOA
+# ifndef HAVE_JWXYZ
   char *res = "desktopGrabber";
   char *val = get_string_resource (dpy, res, "DesktopGrabber");
   char buf1[255];
@@ -475,7 +487,7 @@ hack_resources (Display *dpy)
   value.addr = buf2;
   value.size = strlen(buf2);
   XrmPutResource (&db, buf1, "String", &value);
-# endif /* !HAVE_COCOA */
+# endif /* !HAVE_JWXYZ */
 }
 
 
@@ -513,6 +525,7 @@ loading_msg (ModeInfo *mi, int n)
   glPushMatrix();
   glLoadIdentity();
 
+/*
   {
     double rot = current_device_rotation();
     glRotatef(rot, 0, 0, 1);
@@ -523,13 +536,16 @@ loading_msg (ModeInfo *mi, int n)
         glScalef (s, 1/s, 1);
       }
   }
+*/
 
-  if (MI_WIDTH(mi) < MI_HEIGHT(mi))  /* USE_IPHONE portrait orientation */
+# ifdef HAVE_MOBILE
+  if (MI_WIDTH(mi) < MI_HEIGHT(mi))  /* portrait orientation */
     {
       GLfloat s = (MI_WIDTH(mi) / (GLfloat) MI_HEIGHT(mi));
       glScalef (s, s, s);
       glTranslatef(-s/2, 0, 0);
     }
+# endif
 
   glOrtho(0, MI_WIDTH(mi), 0, MI_HEIGHT(mi), -1, 1);
   glTranslatef ((MI_WIDTH(mi)  - ss->loading_sw) / 2,
@@ -559,11 +575,7 @@ init_carousel (ModeInfo *mi)
   carousel_state *ss;
   int wire = MI_IS_WIREFRAME(mi);
   
-  if (sss == NULL) {
-    if ((sss = (carousel_state *)
-         calloc (MI_NUM_SCREENS(mi), sizeof(carousel_state))) == NULL)
-      return;
-  }
+  MI_INIT (mi, sss);
   ss = &sss[screen];
 
   if ((ss->glx_context = init_GL(mi)) != NULL) {