From 4f00524964e5927d17a2330389ac69d8b148b07a Mon Sep 17 00:00:00 2001
From: Carsten Haitzler <raster@rasterman.com>
Date: Wed, 23 Mar 2005 11:49:48 +0000
Subject: [PATCH] xprint support to weed out xprint screens from the root list
 - they arent real roots - they are special... :)

SVN revision: 13873
---
 legacy/ecore/configure.in                     | 34 +++++++++-
 legacy/ecore/src/lib/ecore_x/Makefile.am      |  2 +
 legacy/ecore/src/lib/ecore_x/ecore_x.c        | 63 ++++++++++++++++++-
 .../ecore/src/lib/ecore_x/ecore_x_private.h   |  3 +
 4 files changed, 100 insertions(+), 2 deletions(-)

diff --git a/legacy/ecore/configure.in b/legacy/ecore/configure.in
index 02383461e0..b34a3679b0 100644
--- a/legacy/ecore/configure.in
+++ b/legacy/ecore/configure.in
@@ -295,6 +295,38 @@ CFLAGS=$PCFLAGS
 AC_SUBST(Xcursor_cflags)
 AC_SUBST(Xcursor_libs)
 
+Xprint_libs=""
+Xprint_cflags=""
+use_Xprint="no"
+PCFLAGS=$CFLAGS
+CFLAGS=$x_cflags" "$x_includes
+AC_CHECK_HEADER(X11/extensions/Print.h, [
+    AC_CHECK_LIB(Xp, XpQueryScreens, [
+        AC_DEFINE(ECORE_XPRINT, 1, [Build support for Xprint])
+        Xprint_cflags=""
+        Xprint_libs="-lXp"
+        use_Xprint="yes"
+      ], [
+        Xprint_cflags=""
+        Xprint_libs=""
+        use_Xprint="no"
+      ], [
+        $x_libs $x_ldflags
+      ]
+    )
+  ], [
+    Xprint_cflags=""
+    Xprint_libs=""
+    use_Xprint="no"
+  ], [
+    #include <X11/Xlib.h>
+  ]
+)
+CFLAGS=$PCFLAGS
+
+AC_SUBST(Xprint_cflags)
+AC_SUBST(Xprint_libs)
+
 Xinerama_libs=""
 Xinerama_cflags=""
 use_Xinerama="no"
@@ -844,7 +876,7 @@ echo
 echo "  Ecore_Job...............: $have_ecore_job"
 echo "  Ecore_Con...............: $have_ecore_con (OpenSSL: $use_openssl)"
 echo "  Ecore_Txt...............: $have_ecore_txt"
-echo "  Ecore_X.................: $have_ecore_x (Xcursor: $use_Xcursor) (Xinerama: $use_Xinerama)"
+echo "  Ecore_X.................: $have_ecore_x (Xcursor: $use_Xcursor) (Xprint: $use_Xprint) (Xinerama: $use_Xinerama)"
 echo "  Ecore_FB................: $have_ecore_fb"
 echo "  Ecore_Evas..............: $have_ecore_evas"
 echo "  Ecore_Evas GL Support...: $have_ecore_evas_gl"
diff --git a/legacy/ecore/src/lib/ecore_x/Makefile.am b/legacy/ecore/src/lib/ecore_x/Makefile.am
index 6f2e265063..cbae57ddfb 100644
--- a/legacy/ecore/src/lib/ecore_x/Makefile.am
+++ b/legacy/ecore/src/lib/ecore_x/Makefile.am
@@ -2,6 +2,7 @@ MAINTAINERCLEANFILES = Makefile.in
 
 INCLUDES = \
 @Xcursor_cflags@ \
+@Xprint_cflags@ \
 @Xinerama_cflags@ \
 @x_cflags@ \
 -I$(top_srcdir)/src/lib/ecore \
@@ -44,6 +45,7 @@ ecore_x_private.h
 
 libecore_x_la_LIBADD = \
 @Xcursor_libs@ \
+@Xprint_libs@ \
 @Xinerama_libs@ \
 @x_ldflags@ \
 @x_libs@ \
diff --git a/legacy/ecore/src/lib/ecore_x/ecore_x.c b/legacy/ecore/src/lib/ecore_x/ecore_x.c
index a540645c9a..169ea44864 100644
--- a/legacy/ecore/src/lib/ecore_x/ecore_x.c
+++ b/legacy/ecore/src/lib/ecore_x/ecore_x.c
@@ -788,11 +788,72 @@ ecore_x_window_root_list(int *num_ret)
    
    if (!num_ret) return NULL;
    *num_ret = 0;
+#ifdef ECORE_XPRINT
+     {
+	Screen **ps = NULL;
+	int psnum = 0;
+	
+	num = ScreenCount(_ecore_x_disp);
+	ps = XpQueryScreens(_ecore_x_disp, &psnum);
+	if (ps)
+	  {
+	     int overlap, j;
+	     
+	     overlap = 0;
+	     for (i = 0; i < num; i++)
+	       {
+		  for (j = 0; j < psnum; j++)
+		    {
+		       if (ScreenOfDisplay(_ecore_x_disp, i) == ps[j])
+			 overlap++;
+		    }
+	       }
+	     roots = malloc((num - overlap) * sizeof(Window));
+	     if (roots)
+	       {
+		  int k;
+		  
+		  k = 0;
+		  for (i = 0; i < num; i++)
+		    {
+		       int is_print;
+		       
+		       is_print = 0;
+		       for (j = 0; j < psnum; j++)
+			 {
+			    if (ScreenOfDisplay(_ecore_x_disp, i) == ps[j])
+			      {
+				 is_print = 1;
+				 break;
+			      }
+			 }
+		       if (!is_print)
+			 {
+			    roots[k] = RootWindow(_ecore_x_disp, i);
+			    k++;
+			 }
+		    }
+		  *num_ret = k;
+	       }
+	     XFree(ps);
+	  }
+	else
+	  {
+	     roots = malloc(num * sizeof(Window));
+	     if (!roots) return NULL;
+	     *num_ret = num;
+	     for (i = 0; i < num; i++)
+	       roots[i] = RootWindow(_ecore_x_disp, i);
+	  }
+     }
+#else   
    num = ScreenCount(_ecore_x_disp);
    roots = malloc(num * sizeof(Window));
    if (!roots) return NULL;
    *num_ret = num;
-   for (i = 0; i < num; i++) roots[i] = RootWindow(_ecore_x_disp, i);
+   for (i = 0; i < num; i++)
+     roots[i] = RootWindow(_ecore_x_disp, i);
+#endif   
    return roots;
 }
 
diff --git a/legacy/ecore/src/lib/ecore_x/ecore_x_private.h b/legacy/ecore/src/lib/ecore_x/ecore_x_private.h
index 1db026f267..e664230fc8 100644
--- a/legacy/ecore/src/lib/ecore_x/ecore_x_private.h
+++ b/legacy/ecore/src/lib/ecore_x/ecore_x_private.h
@@ -20,6 +20,9 @@
 #ifdef ECORE_XCURSOR
 #include <X11/Xcursor/Xcursor.h>
 #endif
+#ifdef ECORE_XPRINT
+#include <X11/extensions/Print.h>
+#endif
 #ifdef ECORE_XINERAMA
 #include <X11/extensions/Xinerama.h>
 #endif