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- # NOTE: Derived from ..\blib\lib\Tk\Scale.pm. Changes made here will be lost.
- package Tk::Scale;
-
- # ButtonDown --
- # This procedure is invoked when a button is pressed in a scale. It
- # takes different actions depending on where the button was pressed.
- #
- # Arguments:
- # w - The scale widget.
- # x, y - Mouse coordinates of button press.
- sub ButtonDown
- {
- my $w = shift;
- my $x = shift;
- my $y = shift;
- $Tk::dragging = 0;
- $el = $w->identify($x,$y);
- return unless ($el);
- if ($el eq "trough1")
- {
- $w->Increment("up","little","initial")
- }
- elsif ($el eq "trough2")
- {
- $w->Increment("down","little","initial")
- }
- elsif ($el eq "slider")
- {
- $Tk::dragging = 1;
- my @coords = $w->coords();
- $Tk::deltaX = $x-$coords[0];
- $Tk::deltaY = $y-$coords[1];
- }
- }
-
- 1;
-