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- # NOTE: Derived from ..\blib\lib\Tk\Text.pm. Changes made here will be lost.
- package Tk::Text;
-
- # AutoScan --
- # This procedure is invoked when the mouse leaves a text window
- # with button 1 down. It scrolls the window up, down, left, or right,
- # depending on where the mouse is (this information was saved in
- # tkPriv(x) and tkPriv(y)), and reschedules itself as an "after"
- # command so that the window continues to scroll until the mouse
- # moves back into the window or the mouse button is released.
- #
- # Arguments:
- # w - The text window.
- sub AutoScan
- {
- my $w = shift;
- if ($Tk::y >= $w->height)
- {
- $w->yview("scroll",2,"units")
- }
- elsif ($Tk::y < 0)
- {
- $w->yview("scroll",-2,"units")
- }
- elsif ($Tk::x >= $w->width)
- {
- $w->xview("scroll",2,"units")
- }
- elsif ($Tk::x < 0)
- {
- $w->xview("scroll",-2,"units")
- }
- else
- {
- return;
- }
- $w->SelectTo("@" . $Tk::x . ",". $Tk::y);
- $w->RepeatId($w->after(50,"AutoScan",$w));
- }
-
- 1;
-