lib/console.tcl

   1 # git-gui console support
   2 # Copyright (C) 2006, 2007 Shawn Pearce
   3
   4 class console {
   5
   6 field t_short
   7 field t_long
   8 field w
   9 field console_cr
  10 field is_toplevel    1; # are we our own window?
  11
  12 constructor new {short_title long_title} {
  13         set t_short $short_title
  14         set t_long $long_title
  15         _init $this
  16         return $this
  17 }
  18
  19 constructor embed {path title} {
  20         set t_short {}
  21         set t_long $title
  22         set w $path
  23         set is_toplevel 0
  24         _init $this
  25         return $this
  26 }
  27
  28 method _init {} {
  29         global M1B
  30
  31         if {$is_toplevel} {
  32                 make_toplevel top w -autodelete 0
  33                 wm title $top "[appname] ([reponame]): $t_short"
  34         } else {
  35                 frame $w
  36         }
  37
  38         set console_cr 1.0
  39
  40         frame $w.m
  41         label $w.m.l1 \
  42                 -textvariable @t_long  \
  43                 -anchor w \
  44                 -justify left \
  45                 -font font_uibold
  46         text $w.m.t \
  47                 -background white -borderwidth 1 \
  48                 -relief sunken \
  49                 -width 80 -height 10 \
  50                 -wrap none \
  51                 -font font_diff \
  52                 -state disabled \
  53                 -xscrollcommand [list $w.m.sbx set] \
  54                 -yscrollcommand [list $w.m.sby set]
  55         label $w.m.s -text {Working... please wait...} \
  56                 -anchor w \
  57                 -justify left \
  58                 -font font_uibold
  59         scrollbar $w.m.sbx -command [list $w.m.t xview] -orient h
  60         scrollbar $w.m.sby -command [list $w.m.t yview]
  61         pack $w.m.l1 -side top -fill x
  62         pack $w.m.s -side bottom -fill x
  63         pack $w.m.sbx -side bottom -fill x
  64         pack $w.m.sby -side right -fill y
  65         pack $w.m.t -side left -fill both -expand 1
  66         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
  67
  68         menu $w.ctxm -tearoff 0
  69         $w.ctxm add command -label "Copy" \
  70                 -command "tk_textCopy $w.m.t"
  71         $w.ctxm add command -label "Select All" \
  72                 -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
  73         $w.ctxm add command -label "Copy All" \
  74                 -command "
  75                         $w.m.t tag add sel 0.0 end
  76                         tk_textCopy $w.m.t
  77                         $w.m.t tag remove sel 0.0 end
  78                 "
  79
  80         if {$is_toplevel} {
  81                 button $w.ok -text {Close} \
  82                         -state disabled \
  83                         -command [list destroy $w]
  84                 pack $w.ok -side bottom -anchor e -pady 10 -padx 10
  85                 bind $w <Visibility> [list focus $w]
  86         }
  87
  88         bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
  89         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
  90         bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
  91 }
  92
  93 method exec {cmd {after {}}} {
  94         if {[lindex $cmd 0] eq {git}} {
  95                 set fd_f [eval git_read --stderr [lrange $cmd 1 end]]
  96         } else {
  97                 lappend cmd 2>@1
  98                 set fd_f [_open_stdout_stderr $cmd]
  99         }
 100         fconfigure $fd_f -blocking 0 -translation binary
 101         fileevent $fd_f readable [cb _read $fd_f $after]
 102 }
 103
 104 method _read {fd after} {
 105         set buf [read $fd]
 106         if {$buf ne {}} {
 107                 if {![winfo exists $w.m.t]} {_init $this}
 108                 $w.m.t conf -state normal
 109                 set c 0
 110                 set n [string length $buf]
 111                 while {$c < $n} {
 112                         set cr [string first "\r" $buf $c]
 113                         set lf [string first "\n" $buf $c]
 114                         if {$cr < 0} {set cr [expr {$n + 1}]}
 115                         if {$lf < 0} {set lf [expr {$n + 1}]}
 116
 117                         if {$lf < $cr} {
 118                                 $w.m.t insert end [string range $buf $c $lf]
 119                                 set console_cr [$w.m.t index {end -1c}]
 120                                 set c $lf
 121                                 incr c
 122                         } else {
 123                                 $w.m.t delete $console_cr end
 124                                 $w.m.t insert end "\n"
 125                                 $w.m.t insert end [string range $buf $c [expr {$cr - 1}]]
 126                                 set c $cr
 127                                 incr c
 128                         }
 129                 }
 130                 $w.m.t conf -state disabled
 131                 $w.m.t see end
 132         }
 133
 134         fconfigure $fd -blocking 1
 135         if {[eof $fd]} {
 136                 if {[catch {close $fd}]} {
 137                         set ok 0
 138                 } else {
 139                         set ok 1
 140                 }
 141                 if {$after ne {}} {
 142                         uplevel #0 $after $ok
 143                 } else {
 144                         done $this $ok
 145                 }
 146                 return
 147         }
 148         fconfigure $fd -blocking 0
 149 }
 150
 151 method chain {cmdlist {ok 1}} {
 152         if {$ok} {
 153                 if {[llength $cmdlist] == 0} {
 154                         done $this $ok
 155                         return
 156                 }
 157
 158                 set cmd [lindex $cmdlist 0]
 159                 set cmdlist [lrange $cmdlist 1 end]
 160
 161                 if {[lindex $cmd 0] eq {exec}} {
 162                         exec $this \
 163                                 [lrange $cmd 1 end] \
 164                                 [cb chain $cmdlist]
 165                 } else {
 166                         uplevel #0 $cmd [cb chain $cmdlist]
 167                 }
 168         } else {
 169                 done $this $ok
 170         }
 171 }
 172
 173 method insert {txt} {
 174         if {![winfo exists $w.m.t]} {_init $this}
 175         $w.m.t conf -state normal
 176         $w.m.t insert end "$txt\n"
 177         set console_cr [$w.m.t index {end -1c}]
 178         $w.m.t conf -state disabled
 179 }
 180
 181 method done {ok} {
 182         if {$ok} {
 183                 if {[winfo exists $w.m.s]} {
 184                         $w.m.s conf -background green -text {Success}
 185                         if {$is_toplevel} {
 186                                 $w.ok conf -state normal
 187                                 focus $w.ok
 188                         }
 189                 }
 190         } else {
 191                 if {![winfo exists $w.m.s]} {
 192                         _init $this
 193                 }
 194                 $w.m.s conf -background red -text {Error: Command Failed}
 195                 if {$is_toplevel} {
 196                         $w.ok conf -state normal
 197                         focus $w.ok
 198                 }
 199         }
 200         delete_this
 201 }
 202
 203 }