2004-06-26 Andreas Tobler <a.tobler@schweiz.ch>

	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c
	(init_dpi_conversion_factor): Check for int_dpi < 0 in case gtk-xft-dpi
	can not calculate the right value.
	(dpi_changed_cb): Likewise. Mark *pspec as unused.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83698 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 4 deletions

diff --git a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c b/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c
index 817bee75200..fdd42531251 100644
--- a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c
+++ b/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c
@@ -231,9 +231,15 @@ init_dpi_conversion_factor ()
     {
       int int_dpi;
       g_object_get (settings, "gtk-xft-dpi", &int_dpi, NULL);
-      dpi_conversion_factor = PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE);
+      /* If int_dpi == -1 gtk-xft-dpi returns the default value. So we
+	 have to do approximate calculation here.  */
+      if (int_dpi < 0)
+	dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.;
+      else
+	dpi_conversion_factor = PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE);
+
       g_signal_connect (settings, "notify::gtk-xft-dpi",
-                        G_CALLBACK (dpi_changed_cb), NULL);
+			G_CALLBACK (dpi_changed_cb), NULL);
     }
   else
     /* Approximate. */
@@ -242,9 +248,12 @@ init_dpi_conversion_factor ()
 
 static void
 dpi_changed_cb (GtkSettings  *settings,
-                GParamSpec   *pspec)
+		GParamSpec *pspec __attribute__((unused)))
 {
   int int_dpi;
   g_object_get (settings, "gtk-xft-dpi", &int_dpi, NULL);
-  dpi_conversion_factor = PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE);
+  if (int_dpi < 0)
+    dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.;
+  else
+    dpi_conversion_factor = PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE);
 }