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| class choose_font {
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| field w
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| field w_family
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| field w_example
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| field f_family
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| field f_size
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| field v_family
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| field v_size
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| variable all_families [list]
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| constructor pick {path title a_family a_size} {
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| variable all_families
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| set v_family $a_family
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| set v_size $a_size
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| upvar #0 $v_family pv_family
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| upvar #0 $v_size pv_size
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| set f_family $pv_family
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| set f_size $pv_size
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| make_dialog top w
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| wm withdraw $top
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| wm title $top "[appname] ([reponame]): $title"
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| wm geometry $top "+[winfo rootx $path]+[winfo rooty $path]"
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| ttk::label $w.header -text $title -font font_uibold -anchor center
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| pack $w.header -side top -fill x
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| ttk::frame $w.buttons
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| ttk::button $w.buttons.select \
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| -text [mc Select] \
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| -default active \
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| -command [cb _select]
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| ttk::button $w.buttons.cancel \
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| -text [mc Cancel] \
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| -command [list destroy $w]
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| pack $w.buttons.select -side right
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| pack $w.buttons.cancel -side right -padx 5
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| pack $w.buttons -side bottom -fill x -pady 10 -padx 10
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| ttk::frame $w.inner
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| ttk::frame $w.inner.family
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| ttk::label $w.inner.family.l \
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| -text [mc "Font Family"] \
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| -anchor w
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| set w_family $w.inner.family.v
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| text $w_family \
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| -background white \
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| -foreground black \
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| -borderwidth 1 \
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| -relief sunken \
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| -cursor $::cursor_ptr \
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| -wrap none \
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| -width 30 \
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| -height 10 \
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| -yscrollcommand [list $w.inner.family.sby set]
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| rmsel_tag $w_family
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| ttk::scrollbar $w.inner.family.sby -command [list $w_family yview]
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| pack $w.inner.family.l -side top -fill x
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| pack $w.inner.family.sby -side right -fill y
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| pack $w_family -fill both -expand 1
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| ttk::frame $w.inner.size
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| ttk::label $w.inner.size.l \
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| -text [mc "Font Size"] \
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| -anchor w
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| tspinbox $w.inner.size.v \
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| -textvariable @f_size \
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| -from 2 -to 80 -increment 1 \
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| -width 3
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| bind $w.inner.size.v <FocusIn> {%W selection range 0 end}
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| pack $w.inner.size.l -fill x -side top
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| pack $w.inner.size.v -fill x -padx 2
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| grid configure $w.inner.family $w.inner.size -sticky nsew
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| grid rowconfigure $w.inner 0 -weight 1
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| grid columnconfigure $w.inner 0 -weight 1
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| pack $w.inner -fill both -expand 1 -padx 5 -pady 5
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| ttk::frame $w.example
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| ttk::label $w.example.l \
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| -text [mc "Font Example"] \
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| -anchor w
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| set w_example $w.example.t
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| text $w_example \
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| -background white \
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| -foreground black \
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| -borderwidth 1 \
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| -relief sunken \
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| -height 3 \
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| -width 40
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| rmsel_tag $w_example
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| $w_example tag conf example -justify center
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| $w_example insert end [mc "This is example text.\nIf you like this text, it can be your font."] example
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| $w_example conf -state disabled
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| pack $w.example.l -fill x
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| pack $w_example -fill x
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| pack $w.example -fill x -padx 5
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| if {$all_families eq {}} {
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| set all_families [lsort [font families]]
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| }
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| $w_family tag conf pick
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| $w_family tag bind pick <Button-1> [cb _pick_family %x %y]\;break
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| foreach f $all_families {
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| set sel [list pick]
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| if {$f eq $f_family} {
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| lappend sel in_sel
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| }
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| $w_family insert end "$f\n" $sel
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| }
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| $w_family conf -state disabled
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| _update $this
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| trace add variable @f_size write [cb _update]
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| bind $w <Key-Escape> [list destroy $w]
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| bind $w <Key-Return> [cb _select]\;break
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| bind $w <Visibility> "
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| grab $w
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| focus $w
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| "
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| wm deiconify $w
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| tkwait window $w
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| }
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| method _select {} {
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| upvar #0 $v_family pv_family
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| upvar #0 $v_size pv_size
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| set pv_family $f_family
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| set pv_size $f_size
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| destroy $w
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| }
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| method _pick_family {x y} {
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| variable all_families
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| set i [lindex [split [$w_family index @$x,$y] .] 0]
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| set n [lindex $all_families [expr {$i - 1}]]
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| if {$n ne {}} {
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| $w_family tag remove in_sel 0.0 end
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| $w_family tag add in_sel $i.0 [expr {$i + 1}].0
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| set f_family $n
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| _update $this
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| }
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| }
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| method _update {args} {
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| variable all_families
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| set i [lsearch -exact $all_families $f_family]
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| if {$i < 0} return
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| $w_example tag conf example -font [list $f_family $f_size]
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| $w_family see [expr {$i + 1}].0
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| }
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| }
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