1 files changed, 54 insertions, 0 deletions
diff --git a/library/ttk/scale.tcl b/library/ttk/scale.tcl
new file mode 100644
index 0000000..2a5cf2e
--- /dev/null
+++ b/library/ttk/scale.tcl
@@ -0,0 +1,54 @@
+# scale.tcl - Copyright (C) 2004 Pat Thoyts <patthoyts@users.sourceforge.net>
+#
+# Bindings for the TScale widget
+#
+# $Id: scale.tcl,v 1.1 2006/10/31 01:42:27 hobbs Exp $
+
+namespace eval ttk::scale {
+    variable State
+    array set State  {
+	dragging 0
+    }
+}
+
+bind TScale <ButtonPress-1>   { ttk::scale::Press %W %x %y }
+bind TScale <B1-Motion>       { ttk::scale::Drag %W %x %y }
+bind TScale <ButtonRelease-1> { ttk::scale::Release %W %x %y }
+
+proc ttk::scale::Press {w x y} {
+    variable State
+    set State(dragging) 0
+
+    switch -glob -- [$w identify $x $y] {
+	*track -
+        *trough {
+	    if {[$w get $x $y] <= [$w get]} {
+		ttk::Repeatedly Increment $w -1
+	    } else {
+		ttk::Repeatedly Increment $w 1
+	    }
+        }
+        *slider {
+            set State(dragging) 1
+            set State(initial) [$w get]
+        }
+    }
+}
+
+proc ttk::scale::Drag {w x y} {
+    variable State
+    if {$State(dragging)} {
+	$w set [$w get $x $y]
+    }
+}
+
+proc ttk::scale::Release {w x y} {
+    variable State
+    set State(dragging) 0
+    ttk::CancelRepeat
+}
+
+proc ttk::scale::Increment {w delta} {
+    if {![winfo exists $w]} return
+    $w set [expr {[$w get] + $delta}]
+}