XToolkit.java (getFontMetrics): initialize if necessary.

2003-02-18  Hans Boehm  <Hans.Boehm@hp.com>

	* gnu/awt/xlib/XToolkit.java (getFontMetrics): initialize
	if necessary.

	* gnu/java/awt/peer/gtk/GtkButtonPeer.java,
	gnu/java/awt/peer/gtk/GtkTextAreaPeer.java,
	gnu/java/awt/peer/gtk/GtkTextFieldPeer.java,
	jni/gtk-peer/gnu_java_awt_peer_gtk_GtkButtonPeer.c,
	jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c,
	jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextFieldPeer.c
	(setFont, gtkSetFont): add.
	gnu/java/awt/peer/gtk/GtkComponentPeer.java (GtkComponentPeer):
	Propagate font to peer.  (setFont): add FIXME comment.

	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c
	(gtkTextGetSize): fix height, width computation.

	* gnu/java/awt/peer/gtk/GtkFontPeer.java (GtkFontPeer):
	Make X font name a bit less bogus.

	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkScrollBarPeer.c
	(post_adjustment_event): Pass on GTK_SCROLL_NONE.

	* java/awt/Scrollbar.java (setValues): Fix visibleAmount range check.
	(processAdjustmentEvent): Adjust value.

	* java/awt/FlowLayout.java (layoutContainer) Fix 2 indexing and one
	logic errors.

	* java/awt/Component.java (setVisible, show, hide): Call show and
	hide methods in subclasses.
	(getPreferredSize): don't set prefSize before we have peer.

	* java/awt/TextArea.java, java/awt/TextField.java (getPreferredSize):
	Guess (0,0) if we don't have peer.

From-SVN: r63077

libjava/gnu/java/awt/peer/gtk/GtkButtonPeer.java

@@ -47,6 +47,8 @@ public class GtkButtonPeer extends GtkComponentPeer
 {
   native void create ();
 
+  native void gtkSetFont(String xlfd, int size);
+
   public GtkButtonPeer (Button b)
   {
     super (b);
@@ -86,4 +88,9 @@ public class GtkButtonPeer extends GtkComponentPeer
 
     args.add ("label", ((Button)component).getLabel ());
   }
+
+  public void setFont (Font f)
+  {
+    gtkSetFont(((GtkFontPeer)f.getPeer()).getXLFD(), f.getSize());
+  }
 }

libjava/gnu/java/awt/peer/gtk/GtkComponentPeer.java

@@ -88,6 +88,8 @@ public class GtkComponentPeer extends GtkGenericPeer
 	awtComponent.setBackground (getBackground ());
       //        if (c.getFont () == null)
       //  	c.setFont (cp.getFont ());
+      if (awtComponent.getFont() != null)
+	setFont(awtComponent.getFont());
       
       if (! (awtComponent instanceof Window))
 	{
@@ -273,6 +275,9 @@ public class GtkComponentPeer extends GtkGenericPeer
 
   public void setFont (Font f)
   {
+    // FIXME: This should really affect the widget tree below me.
+    // Currently this is only handled if the call is made directly on
+    // a text widget, which implements setFont() itself.
   }
 
   public void setForeground (Color c) 
@@ -352,7 +357,8 @@ public class GtkComponentPeer extends GtkGenericPeer
 	p = component.getPeer ();
       } while (p instanceof java.awt.peer.LightweightPeer);
     
-    args.add ("parent", p);
+    if (p != null)
+      args.add ("parent", p);
   }
 
   native void set (String name, String value);

libjava/gnu/java/awt/peer/gtk/GtkFontPeer.java

@@ -57,14 +57,34 @@ public class GtkFontPeer implements FontPeer
       }
   }
 
-  final private String Xname;
+  final private String Xname; // uses %d for font size.
 
   public GtkFontPeer (String name, int style)
   {
     if (bundle != null)
       Xname = bundle.getString (name.toLowerCase () + "." + style);
     else
-      Xname = "-*-*-medium-r-normal-*-12-*-*-*-c-*-*-*";
+      {
+	String weight;
+	String slant;
+	String spacing;
+
+	if (style == Font.ITALIC || (style == (Font.BOLD+Font.ITALIC)))
+	  slant = "i";
+	else
+	  slant = "r";
+	if (style == Font.BOLD || (style == (Font.BOLD+Font.ITALIC)))
+	  weight = "bold";
+	else
+	  weight = "medium";
+	if (name.equals("Serif") || name.equals("SansSerif")
+	    || name.equals("Helvetica") || name.equals("Times"))
+	  spacing = "p";
+	else
+	  spacing = "c";
+
+        Xname = "-*-*-" + weight + "-" + slant + "-normal-*-%d-*-*-*-" + spacing + "-*-*-*";
+      }
   }
 
   public String getXLFD ()

libjava/gnu/java/awt/peer/gtk/GtkTextAreaPeer.java

@@ -45,6 +45,8 @@ public class GtkTextAreaPeer extends GtkTextComponentPeer
 {
   native void create (int scrollbarVisibility);
 
+  native void gtkSetFont(String xlfd, int size);
+
   void create ()
   {
     create (((TextArea)awtComponent).getScrollbarVisibility ());
@@ -99,4 +101,9 @@ public class GtkTextAreaPeer extends GtkTextComponentPeer
   {
     insert (str, pos);
   }
+
+  public void setFont (Font f)
+  {
+    gtkSetFont(((GtkFontPeer)f.getPeer()).getXLFD(), f.getSize());
+  }
 }

libjava/gnu/java/awt/peer/gtk/GtkTextFieldPeer.java

@@ -51,6 +51,8 @@ public class GtkTextFieldPeer extends GtkTextComponentPeer
 
   native void gtkEntryGetSize (int cols, int dims[]);
 
+  native void gtkSetFont(String xlfd, int size);
+
   public GtkTextFieldPeer (TextField tf)
   {
     super (tf);
@@ -95,4 +97,9 @@ public class GtkTextFieldPeer extends GtkTextComponentPeer
   {
     setEchoChar (c);
   }
+
+  public void setFont (Font f)
+  {
+    gtkSetFont(((GtkFontPeer)f.getPeer()).getXLFD(), f.getSize());
+  }
 }