summaryrefslogtreecommitdiffstats
path: root/library/scrlbar.tcl
diff options
context:
space:
mode:
Diffstat (limited to 'library/scrlbar.tcl')
-rw-r--r--library/scrlbar.tcl27
1 files changed, 14 insertions, 13 deletions
diff --git a/library/scrlbar.tcl b/library/scrlbar.tcl
index 1f8c7d2..089b36e 100644
--- a/library/scrlbar.tcl
+++ b/library/scrlbar.tcl
@@ -37,7 +37,7 @@ bind Scrollbar <Leave> {
if {$tk_strictMotif && [info exists tk::Priv(activeBg)]} {
%W configure -activebackground $tk::Priv(activeBg)
}
- %W activate {}
+ %W activate ""
}
bind Scrollbar <1> {
tk::ScrollButtonDown %W %x %y
@@ -128,7 +128,7 @@ bind Scrollbar <<LineEnd>> {
tk::ScrollToPos %W 1
}
}
-switch [tk windowingsystem] {
+switch -- [tk windowingsystem] {
"aqua" {
bind Scrollbar <MouseWheel> {
tk::ScrollByUnits %W v [expr {- (%D)}]
@@ -157,6 +157,7 @@ switch [tk windowingsystem] {
bind Scrollbar <Shift-4> {tk::ScrollByUnits %W h -5}
bind Scrollbar <Shift-5> {tk::ScrollByUnits %W h 5}
}
+ default {}
}
# tk::ScrollButtonDown --
# This procedure is invoked when a button is pressed in a scrollbar.
@@ -258,8 +259,8 @@ proc ::tk::ScrollStartDrag {w x y} {
} elseif {$iv0 == 0} {
set Priv(initPos) 0.0
} else {
- set Priv(initPos) [expr {(double([lindex $Priv(initValues) 2])) \
- / [lindex $Priv(initValues) 0]}]
+ set Priv(initPos) \
+ [expr {([lindex $Priv(initValues) 2] * 1.0) / [lindex $Priv(initValues) 0]}]
}
}
@@ -285,7 +286,7 @@ proc ::tk::ScrollDrag {w x y} {
$w set [expr {[lindex $Priv(initValues) 0] + $delta}] \
[expr {[lindex $Priv(initValues) 1] + $delta}]
} else {
- set delta [expr {round($delta * [lindex $Priv(initValues) 0])}]
+ set delta [expr { round ($delta * [lindex $Priv(initValues) 0])}]
eval [list $w] set [lreplace $Priv(initValues) 2 3 \
[expr {[lindex $Priv(initValues) 2] + $delta}] \
[expr {[lindex $Priv(initValues) 3] + $delta}]]
@@ -330,8 +331,8 @@ proc ::tk::ScrollEndDrag {w x y} {
proc ::tk::ScrollByUnits {w orient amount} {
set cmd [$w cget -command]
- if {$cmd eq "" || ([string first \
- [string index [$w cget -orient] 0] $orient] < 0)} {
+ if {($cmd eq "") ||
+ ([string first [string index [$w cget -orient] 0] $orient] < 0)} {
return
}
set info [$w get]
@@ -355,15 +356,15 @@ proc ::tk::ScrollByUnits {w orient amount} {
proc ::tk::ScrollByPages {w orient amount} {
set cmd [$w cget -command]
- if {$cmd eq "" || ([string first \
- [string index [$w cget -orient] 0] $orient] < 0)} {
+ if {($cmd eq "") ||
+ ([string first [string index [$w cget -orient] 0] $orient] < 0)} {
return
}
set info [$w get]
if {[llength $info] == 2} {
uplevel #0 $cmd scroll $amount pages
} else {
- uplevel #0 $cmd [expr {[lindex $info 2] + $amount*([lindex $info 1] - 1)}]
+ uplevel #0 $cmd [expr {[lindex $info 2] + ($amount * ([lindex $info 1] - 1))}]
}
}
@@ -386,7 +387,7 @@ proc ::tk::ScrollToPos {w pos} {
if {[llength $info] == 2} {
uplevel #0 $cmd moveto $pos
} else {
- uplevel #0 $cmd [expr {round([lindex $info 0]*$pos)}]
+ uplevel #0 $cmd [expr { round ([lindex $info 0] * $pos)}]
}
}
@@ -401,9 +402,9 @@ proc ::tk::ScrollToPos {w pos} {
proc ::tk::ScrollTopBottom {w x y} {
variable ::tk::Priv
set element [$w identify $x $y]
- if {[string match *1 $element]} {
+ if {[string match "*1" $element]} {
ScrollToPos $w 0
- } elseif {[string match *2 $element]} {
+ } elseif {[string match "*2" $element]} {
ScrollToPos $w 1
}