* library/listbox.tcl:

	* library/text.tcl: added support for <4> and <5> for mousewheel
	style scrolling on Unix for mice that map to these buttons.


FossilOrigin-Name: b344260e3cf0f0d10edfd9acbdc8944c410ab2a4

1 files changed, 18 insertions, 1 deletions

diff --git a/library/text.tcl b/library/text.tcl
index 557fffa..dd660f8 100644
--- a/library/text.tcl
+++ b/library/text.tcl
@@ -3,7 +3,7 @@
 # This file defines the default bindings for Tk text widgets and provides
 # procedures that help in implementing the bindings.
 #
-# RCS: @(#) $Id: text.tcl,v 1.9 2000/01/21 03:54:57 hobbs Exp $
+# RCS: @(#) $Id: text.tcl,v 1.10 2000/02/10 08:52:50 hobbs Exp $
 #
 # Copyright (c) 1992-1994 The Regents of the University of California.
 # Copyright (c) 1994-1997 Sun Microsystems, Inc.
@@ -456,6 +456,23 @@ bind Text <MouseWheel> {
     %W yview scroll [expr {- (%D / 120) * 4}] units
 }
 
+if {[string equal "unix" $tcl_platform(platform)]} {
+    # Support for mousewheels on Linux/Unix commonly comes through mapping
+    # the wheel to the extended buttons.  If you have a mousewheel, find
+    # Linux configuration info at:
+    #	http://www.inria.fr/koala/colas/mouse-wheel-scroll/
+    bind Text <4> {
+	if {!$tk_strictMotif} {
+	    %W yview scroll -5 units
+	}
+    }
+    bind Text <5> {
+	if {!$tk_strictMotif} {
+	    %W yview scroll 5 units
+	}
+    }
+}
+
 # tkTextClosestGap --
 # Given x and y coordinates, this procedure finds the closest boundary
 # between characters to the given coordinates and returns the index