Andrew's git - gitweb.git/blob

ee27bd257a69c2d23c6ca07a4ffd697ba08abda1
   1# goto line number
   2# based on code from gitk, Copyright (C) Paul Mackerras
   3
   4class linebar {
   5
   6field w
   7field ctext
   8
   9field linenum   {}
  10
  11constructor new {i_w i_text args} {
  12        global use_ttk NS
  13        set w      $i_w
  14        set ctext  $i_text
  15
  16        ${NS}::frame  $w
  17        ${NS}::label  $w.l       -text [mc "Goto Line:"]
  18        entry  $w.ent \
  19                -textvariable ${__this}::linenum \
  20                -background lightgreen \
  21                -validate key \
  22                -validatecommand [cb _validate %P]
  23        ${NS}::button $w.bn      -text [mc Go] -command [cb _incrgoto]
  24
  25        pack   $w.l   -side left
  26        pack   $w.bn  -side right
  27        pack   $w.ent -side left -expand 1 -fill x
  28
  29        eval grid conf $w -sticky we $args
  30        grid remove $w
  31
  32        bind $w.ent <Return> [cb _incrgoto]
  33        bind $w.ent <Escape> [cb hide]
  34
  35        bind $w <Destroy> [list delete_this $this]
  36        return $this
  37}
  38
  39method show {} {
  40        if {![visible $this]} {
  41                grid $w
  42        }
  43        focus -force $w.ent
  44}
  45
  46method hide {} {
  47        if {[visible $this]} {
  48                $w.ent delete 0 end
  49                focus $ctext
  50                grid remove $w
  51        }
  52}
  53
  54method visible {} {
  55        return [winfo ismapped $w]
  56}
  57
  58method editor {} {
  59        return $w.ent
  60}
  61
  62method _validate {P} {
  63        # only accept numbers as input
  64        string is integer $P
  65}
  66
  67method _incrgoto {} {
  68        if {$linenum ne {}} {
  69                $ctext see $linenum.0
  70                hide $this
  71        }
  72}
  73
  74}