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authorcsaba <csaba>2024-06-20 15:59:17 (GMT)
committercsaba <csaba>2024-06-20 15:59:17 (GMT)
commit581a06b7efecf3d1acd01cf774fc1821f16b6b31 (patch)
tree6c0ade56dbb8fb84b3cc24d0274193d2d4060ac3 /library
parentc396a4b95748839c327870844fef288f1b7d973e (diff)
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Improvements in the proc ::tk::ScrollByPixels.
Diffstat (limited to 'library')
-rw-r--r--library/tk.tcl8
1 files changed, 4 insertions, 4 deletions
diff --git a/library/tk.tcl b/library/tk.tcl
index 7153974..bcbf8ce 100644
--- a/library/tk.tcl
+++ b/library/tk.tcl
@@ -558,12 +558,12 @@ proc ::tk::PreciseScrollDeltas {dxdy} {
return [list $deltaX $deltaY]
}
-# Helper for smooth scrolling of widgets that support xview moveto,
-# yview moveto, height and width.
+## Helper for smooth scrolling of widgets that support xview moveto and
+## yview moveto.
proc ::tk::ScrollByPixels {w deltaX deltaY} {
- set width [expr {1.0 * [$w cget -width]}]
- set height [expr {1.0 * [$w cget -height]}]
+ set width [expr {1.0 * [winfo width $w]}]
+ set height [expr {1.0 * [winfo height $w]}]
set X [lindex [$w xview] 0]
set Y [lindex [$w yview] 0]
set x [expr {$X - $deltaX / $width}]