TIP #41 implementation, panedwindow [Patch #512503] (melski)

1 files changed, 136 insertions, 0 deletions

diff --git a/library/panedwindow.tcl b/library/panedwindow.tcl
new file mode 100644
index 0000000..a232f89
--- /dev/null
+++ b/library/panedwindow.tcl
@@ -0,0 +1,136 @@
+# panedwindow.tcl --
+#
+# This file defines the default bindings for Tk panedwindow widgets and
+# provides procedures that help in implementing those bindings.
+#
+# RCS: @(#) $Id: panedwindow.tcl,v 1.1 2002/02/22 02:41:17 hobbs Exp $
+#
+
+bind PanedWindow <Button-1> { ::tk::panedwindow::MarkSash %W %x %y 1 }
+bind PanedWindow <Button-2> { ::tk::panedwindow::MarkSash %W %x %y 0 }
+
+bind PanedWindow <B1-Motion> { ::tk::panedwindow::DragSash %W %x %y 1 }
+bind PanedWindow <B2-Motion> { ::tk::panedwindow::DragSash %W %x %y 0 }
+
+bind PanedWindow <ButtonRelease-1> {::tk::panedwindow::ReleaseSash %W %x %y 1}
+bind PanedWindow <ButtonRelease-2> {::tk::panedwindow::ReleaseSash %W %x %y 0}
+
+bind PanedWindow <Motion> { ::tk::panedwindow::Motion %W %x %y }
+
+bind PanedWindow <Leave> { ::tk::panedwindow::Leave %W }
+
+# Initialize namespace
+namespace eval ::tk::panedwindow {}
+
+# ::tk::panedwindow::MarkSash --
+#
+#   ADD COMMENTS HERE
+#
+# Arguments:
+#   args	comments
+# Results:
+#   Returns ...
+#
+proc ::tk::panedwindow::MarkSash {w x y proxy} {
+    set what [$w identify $x $y]
+    if { [llength $what] == 2 } {
+	foreach {index which} $what break
+	if { !$::tk_strictMotif || [string equal $which "handle"] } {
+	    if {!$proxy} { $w sash mark $index $x $y }
+	    set ::tk::Priv(sash) $index
+	}
+    }
+}
+
+# ::tk::panedwindow::DragSash --
+#
+#   ADD COMMENTS HERE
+#
+# Arguments:
+#   args	comments
+# Results:
+#   Returns ...
+#
+proc ::tk::panedwindow::DragSash {w x y proxy} {
+    if { [info exists ::tk::Priv(sash)] } {
+	if {$proxy} {
+	    $w proxy place $x $y
+	} else {
+	    $w sash dragto $::tk::Priv(sash) $x $y
+	    $w sash mark $::tk::Priv(sash) $x $y
+	}
+    }
+}
+
+# ::tk::panedwindow::ReleaseSash --
+#
+#   ADD COMMENTS HERE
+#
+# Arguments:
+#   args	comments
+# Results:
+#   Returns ...
+#
+proc ::tk::panedwindow::ReleaseSash {w proxy} {
+    if { [info exists ::tk::Priv(sash)] } {
+	if {$proxy} {
+	    foreach {x y} [$w proxy coord] break
+	    $w sash place $::tk::Priv(sash) $x $y
+	    unset ::tk::Priv(sash)
+	    $w proxy forget
+	} else {
+	    unset ::tk::Priv(sash)
+	}
+    }
+}
+
+# ::tk::panedwindow::Motion --
+#
+#   ADD COMMENTS HERE
+#
+# Arguments:
+#   args	comments
+# Results:
+#   Returns ...
+#
+proc ::tk::panedwindow::Motion {w x y} {
+    variable ::tk::Priv
+    set id [$w identify $x $y]
+    if { [llength $id] == 2 } {
+	if { !$::tk_strictMotif || [string equal [lindex $id 1] "handle"] } {
+	    if { ![info exists Priv(panecursor)] } {
+		set Priv(panecursor) [$w cget -cursor]
+	    }
+	    if { [string equal [$w cget -sashcursor] ""] } {
+		if { [string equal [$w cget -orient] "horizontal"] } {
+		    $w configure -cursor sb_h_double_arrow
+		} else {
+		    $w configure -cursor sb_v_double_arrow
+		}
+	    } else {
+		$w configure -cursor [$w cget -sashcursor]
+	    }
+	    return
+	}
+    }
+    if { [info exists Priv(panecursor)] } {
+	$w configure -cursor $Priv(panecursor)
+	unset Priv(panecursor)
+    }
+}
+
+# ::tk::panedwindow::Leave --
+#
+#   ADD COMMENTS HERE
+#
+# Arguments:
+#   args	comments
+# Results:
+#   Returns ...
+#
+proc ::tk::panedwindow::Leave {w} {
+    if { [info exists ::tk::Priv(panecursor)] } {
+        $w configure -cursor $::tk::Priv(panecursor)
+        unset ::tk::Priv(panecursor)
+    }
+}