You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.6 KiB
95 lines
2.6 KiB
# scale.tcl - Copyright (C) 2004 Pat Thoyts <patthoyts@users.sourceforge.net>
|
|
#
|
|
# Bindings for the TScale widget
|
|
|
|
namespace eval ttk::scale {
|
|
variable State
|
|
array set State {
|
|
dragging 0
|
|
}
|
|
}
|
|
|
|
bind TScale <ButtonPress-1> { ttk::scale::Press %W %x %y }
|
|
bind TScale <B1-Motion> { ttk::scale::Drag %W %x %y }
|
|
bind TScale <ButtonRelease-1> { ttk::scale::Release %W %x %y }
|
|
|
|
bind TScale <ButtonPress-2> { ttk::scale::Jump %W %x %y }
|
|
bind TScale <B2-Motion> { ttk::scale::Drag %W %x %y }
|
|
bind TScale <ButtonRelease-2> { ttk::scale::Release %W %x %y }
|
|
|
|
bind TScale <ButtonPress-3> { ttk::scale::Jump %W %x %y }
|
|
bind TScale <B3-Motion> { ttk::scale::Drag %W %x %y }
|
|
bind TScale <ButtonRelease-3> { ttk::scale::Release %W %x %y }
|
|
|
|
## Keyboard navigation bindings:
|
|
#
|
|
bind TScale <<LineStart>> { %W set [%W cget -from] }
|
|
bind TScale <<LineEnd>> { %W set [%W cget -to] }
|
|
|
|
bind TScale <<PrevChar>> { ttk::scale::Increment %W -1 }
|
|
bind TScale <<PrevLine>> { ttk::scale::Increment %W -1 }
|
|
bind TScale <<NextChar>> { ttk::scale::Increment %W 1 }
|
|
bind TScale <<NextLine>> { ttk::scale::Increment %W 1 }
|
|
bind TScale <<PrevWord>> { ttk::scale::Increment %W -10 }
|
|
bind TScale <<PrevPara>> { ttk::scale::Increment %W -10 }
|
|
bind TScale <<NextWord>> { ttk::scale::Increment %W 10 }
|
|
bind TScale <<NextPara>> { ttk::scale::Increment %W 10 }
|
|
|
|
proc ttk::scale::Press {w x y} {
|
|
variable State
|
|
set State(dragging) 0
|
|
|
|
switch -glob -- [$w identify $x $y] {
|
|
*track -
|
|
*trough {
|
|
set inc [expr {([$w get $x $y] <= [$w get]) ^ ([$w cget -from] > [$w cget -to]) ? -1 : 1}]
|
|
ttk::Repeatedly Increment $w $inc
|
|
}
|
|
*slider {
|
|
set State(dragging) 1
|
|
set State(initial) [$w get]
|
|
}
|
|
}
|
|
}
|
|
|
|
# scale::Jump -- ButtonPress-2/3 binding for scale acts like
|
|
# Press except that clicking in the trough jumps to the
|
|
# clicked position.
|
|
proc ttk::scale::Jump {w x y} {
|
|
variable State
|
|
set State(dragging) 0
|
|
|
|
switch -glob -- [$w identify $x $y] {
|
|
*track -
|
|
*trough {
|
|
$w set [$w get $x $y]
|
|
set State(dragging) 1
|
|
set State(initial) [$w get]
|
|
}
|
|
*slider {
|
|
Press $w $x $y
|
|
}
|
|
}
|
|
}
|
|
|
|
proc ttk::scale::Drag {w x y} {
|
|
variable State
|
|
if {$State(dragging)} {
|
|
$w set [$w get $x $y]
|
|
}
|
|
}
|
|
|
|
proc ttk::scale::Release {w x y} {
|
|
variable State
|
|
set State(dragging) 0
|
|
ttk::CancelRepeat
|
|
}
|
|
|
|
proc ttk::scale::Increment {w delta} {
|
|
if {![winfo exists $w]} return
|
|
if {([$w cget -from] > [$w cget -to])} {
|
|
set delta [expr {-$delta}]
|
|
}
|
|
$w set [expr {[$w get] + $delta}]
|
|
}
|