grass-gui 6.4.3-3 / usr / lib / grass64 / bwidget / font.tcl

This file is indexed.

/usr/lib/grass64/bwidget/font.tcl is in grass-gui 6.4.3-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

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# ------------------------------------------------------------------------------
#  font.tcl
#  This file is part of Unifix BWidget Toolkit
# ------------------------------------------------------------------------------
#  Index of commands:
#     - SelectFont::create
#     - SelectFont::configure
#     - SelectFont::cget
#     - SelectFont::_draw
#     - SelectFont::_destroy
#     - SelectFont::_modstyle
#     - SelectFont::_update
#     - SelectFont::_getfont
#     - SelectFont::_init
# ------------------------------------------------------------------------------

namespace eval SelectFont {
    Dialog::use
    LabelFrame::use
    ScrolledWindow::use

    Widget::declare SelectFont {
        {-title      String     "Font selection" 0}
        {-parent     String     "" 0}
        {-background TkResource "" 0 frame}

        {-type       Enum       dialog        0 {dialog toolbar}}
        {-font       TkResource ""            0 label}
        {-command    String     ""            0}
        {-sampletext String     "Sample Text" 0}
        {-bg         Synonym    -background}
    }

    proc ::SelectFont { path args } { return [eval SelectFont::create $path $args] }
    proc use {} {}

    variable _families
    variable _styles   {bold italic underline overstrike}
    variable _sizes    {4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24}

    variable _widget
}


# ------------------------------------------------------------------------------
#  Command SelectFont::create
# ------------------------------------------------------------------------------
proc SelectFont::create { path args } {
    variable _families
    variable _sizes
    variable _styles
    variable $path
    upvar 0  $path data

    if { ![info exists _families] } {
        loadfont
    }
    Widget::init SelectFont "$path#SelectFont" $args
    set bg [Widget::getoption "$path#SelectFont" -background]
    if { [Widget::getoption "$path#SelectFont" -type] == "dialog" } {
        Dialog::create $path -modal local -default 0 -cancel 1 -background $bg \
            -title  [Widget::getoption "$path#SelectFont" -title] \
            -parent [Widget::getoption "$path#SelectFont" -parent]

        set frame [Dialog::getframe $path]
        set topf  [frame $frame.topf -relief flat -borderwidth 0 -background $bg]

        set labf1 [LabelFrame::create $topf.labf1 -text "Font" -name font \
                       -side top -anchor w -relief flat -background $bg]
        set sw    [ScrolledWindow::create [LabelFrame::getframe $labf1].sw \
                       -background $bg]
        set lbf   [listbox $sw.lb \
                       -height 5 -width 25 -exportselection false -selectmode browse]
        ScrolledWindow::setwidget $sw $lbf
        LabelFrame::configure $labf1 -focus $lbf
        eval $lbf insert end $_families
        set script "set SelectFont::$path\(family\) \[%W curselection\]; SelectFont::_update $path"
        bind $lbf <ButtonRelease-1> $script
        bind $lbf <space>           $script
        pack $sw -fill both -expand yes

        set labf2 [LabelFrame::create $topf.labf2 -text "Size" -name size \
                       -side top -anchor w -relief flat -background $bg]
        set sw    [ScrolledWindow::create [LabelFrame::getframe $labf2].sw \
                       -scrollbar vertical -background $bg]
        set lbs   [listbox $sw.lb \
                       -height 5 -width 6 -exportselection false -selectmode browse]
        ScrolledWindow::setwidget $sw $lbs
        LabelFrame::configure $labf2 -focus $lbs
        eval $lbs insert end $_sizes
        set script "set SelectFont::$path\(size\) \[%W curselection\]; SelectFont::_update $path"
        bind $lbs <ButtonRelease-1> $script
        bind $lbs <space>           $script
        pack $sw -fill both -expand yes

        set labf3 [LabelFrame::create $topf.labf3 -text "Style" -name style \
                       -side top -anchor w -relief sunken -bd 1 -background $bg]
        set subf  [LabelFrame::getframe $labf3]
        foreach st $_styles {
            set name [lindex [BWidget::getname $st] 0]
            if { $name == "" } {
                set name "[string toupper [string index $name 0]][string range $name 1 end]"
            }
            checkbutton $subf.$st -text $name \
                -variable   SelectFont::$path\($st\) \
                -background $bg \
                -command    "SelectFont::_update $path"
            bind $subf.$st <Return> break
            pack $subf.$st -anchor w
        }
        LabelFrame::configure $labf3 -focus $subf.[lindex $_styles 0]

        pack $labf1 -side left -anchor n -fill both -expand yes
        pack $labf2 -side left -anchor n -fill both -expand yes -padx 8
        pack $labf3 -side left -anchor n -fill both -expand yes

        set botf [frame $frame.botf -width 100 -height 50 \
                      -bg white -bd 0 -relief flat \
                      -highlightthickness 1 -takefocus 0 \
                      -highlightbackground black \
                      -highlightcolor black]

        set lab  [label $botf.label \
                      -background white -foreground black \
                      -borderwidth 0 -takefocus 0 -highlightthickness 0 \
                      -text [Widget::getoption "$path#SelectFont" -sampletext]]
        place $lab -relx 0.5 -rely 0.5 -anchor c

        pack $topf -pady 4 -fill both -expand yes
        pack $botf -pady 4 -fill x

        Dialog::add $path -name ok
        Dialog::add $path -name cancel

        set data(label) $lab
        set data(lbf)   $lbf
        set data(lbs)   $lbs

        _getfont $path

        proc ::$path { cmd args } "return \[eval SelectFont::\$cmd $path \$args\]"

        return [_draw $path]
    } else {
        frame $path -relief flat -borderwidth 0 -background $bg
        bind $path <Destroy> "SelectFont::_destroy $path"
        set lbf [ComboBox::create $path.font \
                     -highlightthickness 0 -takefocus 0 -background $bg \
                     -values   $_families \
                     -textvariable SelectFont::$path\(family\) \
                     -editable 0 \
                     -modifycmd "SelectFont::_update $path"]
        set lbs [ComboBox::create $path.size \
                     -highlightthickness 0 -takefocus 0 -background $bg \
                     -width    4 \
                     -values   $_sizes \
                     -textvariable SelectFont::$path\(size\) \
                     -editable 0 \
                     -modifycmd "SelectFont::_update $path"]
        pack $lbf -side left -anchor w
        pack $lbs -side left -anchor w -padx 4
        foreach st $_styles {
            button $path.$st \
                -highlightthickness 0 -takefocus 0 -padx 0 -pady 0 -bd 2 \
                -background $bg \
                -image  [Bitmap::get $st] \
                -command "SelectFont::_modstyle $path $st"
            pack $path.$st -side left -anchor w
        }
        set data(label) ""
        set data(lbf)   $lbf
        set data(lbs)   $lbs
        _getfont $path

        rename $path ::$path:cmd
        proc ::$path { cmd args } "return \[eval SelectFont::\$cmd $path \$args\]"
    }

    return $path
}


# ------------------------------------------------------------------------------
#  Command SelectFont::configure
# ------------------------------------------------------------------------------
proc SelectFont::configure { path args } {
    variable _styles

    set res [Widget::configure "$path#SelectFont" $args]

    if { [Widget::hasChanged "$path#SelectFont" -font font] } {
        _getfont $path
    }
    if { [Widget::hasChanged "$path#SelectFont" -background bg] } {
        switch -- [Widget::getoption "$path#SelectFont" -type] {
            dialog {
                Dialog::configure $path -background $bg
                set topf [Dialog::getframe $path].topf
                $topf configure -background $bg
                foreach labf {labf1 labf2} {
                    LabelFrame::configure $topf.$labf -background $bg
                    set subf [LabelFrame::getframe $topf.$labf]
                    ScrolledWindow::configure $subf.sw -background $bg
                    $subf.sw.lb configure -background $bg
                }
                LabelFrame::configure $topf.labf3 -background $bg
                set subf [LabelFrame::getframe $topf.labf3]
                foreach w [winfo children $subf] {
                    $w configure -background $bg
                }
            }
            toolbar {
                $path configure -background $bg
                ComboBox::configure $path.font -background $bg
                ComboBox::configure $path.size -background $bg
                foreach st $_styles {
                    $path.$st configure -background $bg
                }
            }
        }
    }
    return $res
}


# ------------------------------------------------------------------------------
#  Command SelectFont::cget
# ------------------------------------------------------------------------------
proc SelectFont::cget { path option } {
    return [Widget::cget "$path#SelectFont" $option]
}


# ------------------------------------------------------------------------------
#  Command SelectFont::loadfont
# ------------------------------------------------------------------------------
proc SelectFont::loadfont { } {
    variable _families

    # initialize families
    set _families {}
    set lfont     [font families]
    lappend lfont times courier helvetica
    foreach font $lfont {
        set family [font actual [list $font] -family]
        if { [lsearch -exact $_families $family] == -1 } {
            lappend _families $family
        }
    }
    set _families [lsort $_families]
}


# ------------------------------------------------------------------------------
#  Command SelectFont::_draw
# ------------------------------------------------------------------------------
proc SelectFont::_draw { path } {
    variable $path
    upvar 0  $path data

    $data(lbf) selection clear 0 end
    $data(lbf) selection set $data(family)
    $data(lbf) activate $data(family)
    $data(lbf) see $data(family)
    $data(lbs) selection clear 0 end
    $data(lbs) selection set $data(size)
    $data(lbs) activate $data(size)
    $data(lbs) see $data(size)
    _update $path

    if { [Dialog::draw $path] == 0 } {
        set result [Widget::getoption "$path#SelectFont" -font]
    } else {
        set result ""
    }
    unset data
    Widget::destroy "$path#SelectFont"
    destroy $path
    return $result
}


# ------------------------------------------------------------------------------
#  Command SelectFont::_destroy
# ------------------------------------------------------------------------------
proc SelectFont::_destroy { path } {
    variable $path
    upvar 0  $path data

    unset data
    Widget::destroy "$path#SelectFont"
    rename $path {}
}


# ------------------------------------------------------------------------------
#  Command SelectFont::_modstyle
# ------------------------------------------------------------------------------
proc SelectFont::_modstyle { path style } {
    variable $path
    upvar 0  $path data

    if { $data($style) == 1 } {
        $path.$style configure -relief raised
        set data($style) 0
    } else {
        $path.$style configure -relief sunken
        set data($style) 1
    }
    _update $path
}


# ------------------------------------------------------------------------------
#  Command SelectFont::_update
# ------------------------------------------------------------------------------
proc SelectFont::_update { path } {
    variable _families
    variable _sizes
    variable _styles
    variable $path
    upvar 0  $path data

    set type [Widget::getoption "$path#SelectFont" -type]
    if { $type == "dialog" } {
        set curs [$path:cmd cget -cursor]
        $path:cmd configure -cursor watch
    }
    if { [Widget::getoption "$path#SelectFont" -type] == "dialog" } {
        set font [list \
                      [lindex $_families $data(family)] \
                      [lindex $_sizes $data(size)]]
    } else {
        set font [list $data(family) $data(size)]
    }
    foreach st $_styles {
        if { $data($st) } {
            lappend font $st
        }
    }
    Widget::setoption "$path#SelectFont" -font $font
    if { $type == "dialog" } {
        $data(label) configure -font $font
        $path:cmd configure -cursor $curs
    } elseif { [set cmd [Widget::getoption "$path#SelectFont" -command]] != "" } {
        uplevel \#0 $cmd
    }
}


# ------------------------------------------------------------------------------
#  Command SelectFont::_getfont
# ------------------------------------------------------------------------------
proc SelectFont::_getfont { path } {
    variable _families
    variable _styles
    variable _sizes
    variable $path
    upvar 0  $path data

    array set font [font actual [Widget::getoption "$path#SelectFont" -font]]
    set data(bold)       [expr {[string compare $font(-weight) "normal"] != 0}]
    set data(italic)     [expr {[string compare $font(-slant)  "roman"]  != 0}]
    set data(underline)  $font(-underline)
    set data(overstrike) $font(-overstrike)
    if { [Widget::getoption "$path#SelectFont" -type] == "dialog" } {
        set idxf [lsearch $_families $font(-family)]
        set idxs [lsearch $_sizes    $font(-size)]
        set data(family) [expr {$idxf >= 0 ? $idxf : 0}]
        set data(size)   [expr {$idxs >= 0 ? $idxs : 0}]
    } else {
        set data(family) $font(-family)
        set data(size)   $font(-size)
        foreach st $_styles {
            $path.$st configure -relief [expr {$data($st) ? "sunken":"raised"}]
        }
    }
}

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