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BWidget-1.2
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titleframe.tcl
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2000-11-02
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# ------------------------------------------------------------------------------
# titleframe.tcl
# This file is part of Unifix BWidget Toolkit
# ------------------------------------------------------------------------------
# Index of commands:
# - TitleFrame::create
# - TitleFrame::configure
# - TitleFrame::cget
# - TitleFrame::getframe
# - TitleFrame::_place
# ------------------------------------------------------------------------------
namespace eval TitleFrame {
Widget::declare TitleFrame {
{-relief TkResource groove 0 frame}
{-borderwidth TkResource 2 0 frame}
{-font TkResource "" 0 label}
{-foreground TkResource "" 0 label}
{-background TkResource "" 0 frame}
{-text String "" 0}
{-ipad Int 4 0 {=0 ""}}
{-side Enum left 0 {left center right}}
{-baseline Enum center 0 {top center bottom}}
{-fg Synonym -foreground}
{-bg Synonym -background}
{-bd Synonym -borderwidth}
}
Widget::addmap TitleFrame "" :cmd {-background {}}
Widget::addmap TitleFrame "" .l {-background {} -foreground {} -text {} -font {}}
Widget::addmap TitleFrame "" .p {-background {}}
Widget::addmap TitleFrame "" .b {-background {} -relief {} -borderwidth {}}
Widget::addmap TitleFrame "" .b.p {-background {}}
Widget::addmap TitleFrame "" .f {-background {}}
proc ::TitleFrame { path args } { return [eval TitleFrame::create $path $args] }
proc use {} {}
}
# ------------------------------------------------------------------------------
# Command TitleFrame::create
# ------------------------------------------------------------------------------
proc TitleFrame::create { path args } {
Widget::init TitleFrame $path $args
set bg [Widget::getoption $path -background]
set frame [frame $path -background $bg]
set padtop [frame $path.p -relief flat -borderwidth 0 -background $bg]
set border [eval frame $path.b [Widget::subcget $path .b] -highlightthickness 0]
set label [eval label $path.l [Widget::subcget $path .l] \
-highlightthickness 0 \
-relief flat \
-bd 0 -padx 2 -pady 0]
set padbot [frame $border.p -relief flat -bd 0 -bg $bg -highlightthickness 0]
set frame [frame $path.f -relief flat -bd 0 -bg $bg -highlightthickness 0]
set height [winfo reqheight $label]
switch [Widget::getoption $path -side] {
left { set relx 0.0; set x 5; set anchor nw }
center { set relx 0.5; set x 0; set anchor n }
right { set relx 1.0; set x -5; set anchor ne }
}
set bd [Widget::getoption $path -borderwidth]
switch [Widget::getoption $path -baseline] {
top { set htop $height; set hbot 1; set y 0 }
center { set htop [expr {$height/2}]; set hbot [expr {$height/2+$height%2+1}]; set y 0 }
bottom { set htop 1; set hbot $height; set y [expr {$bd+1}] }
}
$padtop configure -height $htop
$padbot configure -height $hbot
set pad [Widget::getoption $path -ipad]
pack $padbot -side top -fill x
pack $frame -in $border -fill both -expand yes -padx $pad -pady $pad
pack $padtop -side top -fill x
pack $border -fill both -expand yes
place $label -relx $relx -x $x -anchor $anchor -y $y
bind $label <Configure> "TitleFrame::_place $path"
bind $path <Destroy> {Widget::destroy %W; rename %W {}}
rename $path ::$path:cmd
proc ::$path { cmd args } "return \[eval TitleFrame::\$cmd $path \$args\]"
return $path
}
# ------------------------------------------------------------------------------
# Command TitleFrame::configure
# ------------------------------------------------------------------------------
proc TitleFrame::configure { path args } {
set res [Widget::configure $path $args]
if { [Widget::hasChanged $path -ipad pad] } {
pack configure $path.f -padx $pad -pady $pad
}
if { [Widget::hasChanged $path -borderwidth val] |
[Widget::hasChanged $path -font val] |
[Widget::hasChanged $path -side val] |
[Widget::hasChanged $path -baseline val] } {
_place $path
}
return $res
}
# ------------------------------------------------------------------------------
# Command TitleFrame::cget
# ------------------------------------------------------------------------------
proc TitleFrame::cget { path option } {
return [Widget::cget $path $option]
}
# ------------------------------------------------------------------------------
# Command TitleFrame::getframe
# ------------------------------------------------------------------------------
proc TitleFrame::getframe { path } {
return $path.f
}
# ------------------------------------------------------------------------------
# Command TitleFrame::_place
# ------------------------------------------------------------------------------
proc TitleFrame::_place { path } {
set height [winfo height $path.l]
switch [Widget::getoption $path -side] {
left { set relx 0.0; set x 10; set anchor nw }
center { set relx 0.5; set x 0; set anchor n }
right { set relx 1.0; set x -10; set anchor ne }
}
set bd [Widget::getoption $path -borderwidth]
switch [Widget::getoption $path -baseline] {
top { set htop $height; set hbot 1; set y 0 }
center { set htop [expr {$height/2}]; set hbot [expr {$height/2+$height%2+1}]; set y 0 }
bottom { set htop 1; set hbot $height; set y [expr {$bd+1}] }
}
$path.p configure -height $htop
$path.b.p configure -height $hbot
place $path.l -relx $relx -x $x -anchor $anchor -y $y
}