Hi,
There currently seems to be no way to replace the "default" cursor in
the canvas; it can be replaced temporarily via
UserAgent.setSVGCursor(), but the BridgeContext will replace it when
the mouse crosses another SVG element. Some discussion of this can be
found in this thread:
http://koala.ilog.fr/batik/mlists/batik-users/archives/msg05498.html
I've included a patch below that allows the user to (re)define the
cursor mappings in CursorManager. Also since BridgeContext was
hardcoded to use the constants in CursorManager, there is a small
modification for that class as well.
Thomas, would you consider accepting this patch? I think I have
followed the "spirit" of the current sources with this patch, but if
not, of course feel free to make whatever changes you see fit.
Thanks.
Index: BridgeContext.java
===================================================================
RCS file:
/home/cvspublic/xml-batik/sources/org/apache/batik/bridge/BridgeContext.java,v
retrieving revision 1.80
diff -u -r1.80 BridgeContext.java
--- BridgeContext.java 15 Dec 2004 10:50:29 -0000 1.80
+++ BridgeContext.java 6 Feb 2005 22:50:00 -0000
@@ -1178,12 +1178,12 @@
public void handleEvent(Event evt) {
MouseEvent me = (MouseEvent)evt;
Element newTarget = (Element)me.getRelatedTarget();
- Cursor cursor = CursorManager.DEFAULT_CURSOR;
+ Cursor cursor = null;
if (newTarget != null)
cursor = CSSUtilities.convertCursor
(newTarget, BridgeContext.this);
- if (cursor == null)
- cursor = CursorManager.DEFAULT_CURSOR;
+ if (cursor == null)
+ cursor =
cursorManager.getPredefinedCursor(SVGConstants.SVG_DEFAULT_VALUE);
userAgent.setSVGCursor(cursor);
}
Index: CursorManager.java
===================================================================
RCS file:
/home/cvspublic/xml-batik/sources/org/apache/batik/bridge/CursorManager.java,v
retrieving revision 1.13
diff -u -r1.13 CursorManager.java
--- CursorManager.java 20 Aug 2004 19:29:46 -0000 1.13
+++ CursorManager.java 6 Feb 2005 22:50:01 -0000
@@ -158,6 +158,14 @@
return (Cursor)cursorMap.get(cursorName);
}
+ /**
+ * Define (or replace) the named cursor. To replace the "default"
+ * cursor, use SVG_DEFAULT_VALUE as the cursorName.
+ */
+ public void defineCursor(String cursorName, Cursor c) {
+ cursorMap.put(cursorName, c);
+ }
+
/**
* Returns the Cursor corresponding to the input element's cursor property
*
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