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                 -font font_diff \
  51                 -state disabled \
  52                 -yscrollcommand [list $w.m.sby set]
  53         label $w.m.s -text {Working... please wait...} \
  54                 -anchor w \
  55                 -justify left \
  56                 -font font_uibold
  57         scrollbar $w.m.sby -command [list $w.m.t yview]
  58         pack $w.m.l1 -side top -fill x
  59         pack $w.m.s -side bottom -fill x
  60         pack $w.m.sby -side right -fill y
  61         pack $w.m.t -side left -fill both -expand 1
  62         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
  63
  64         menu $w.ctxm -tearoff 0
  65         $w.ctxm add command -label "Copy" \
  66                 -command "tk_textCopy $w.m.t"
  67         $w.ctxm add command -label "Select All" \
  68                 -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
  69         $w.ctxm add command -label "Copy All" \
  70                 -command "
  71                         $w.m.t tag add sel 0.0 end
  72                         tk_textCopy $w.m.t
  73                         $w.m.t tag remove sel 0.0 end
  74                 "
  75
  76         if {$is_toplevel} {
  77                 button $w.ok -text {Close} \
  78                         -state disabled \
  79                         -command [list destroy $w]
  80                 pack $w.ok -side bottom -anchor e -pady 10 -padx 10
  81                 bind $w <Visibility> [list focus $w]
  82         }
  83
  84         bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
  85         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
  86         bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
  87 }
  88
  89 method exec {cmd {after {}}} {
  90         if {[lindex $cmd 0] eq {git}} {
  91                 set fd_f [eval git_read --stderr [lrange $cmd 1 end]]
  92         } else {
  93                 lappend cmd 2>@1
  94                 set fd_f [_open_stdout_stderr $cmd]
  95         }
  96         fconfigure $fd_f -blocking 0 -translation binary
  97         fileevent $fd_f readable [cb _read $fd_f $after]
  98 }
  99
 100 method _read {fd after} {
 101         set buf [read $fd]
 102         if {$buf ne {}} {
 103                 if {![winfo exists $w.m.t]} {_init $this}
 104                 $w.m.t conf -state normal
 105                 set c 0
 106                 set n [string length $buf]
 107                 while {$c < $n} {
 108                         set cr [string first "\r" $buf $c]
 109                         set lf [string first "\n" $buf $c]
 110                         if {$cr < 0} {set cr [expr {$n + 1}]}
 111                         if {$lf < 0} {set lf [expr {$n + 1}]}
 112
 113                         if {$lf < $cr} {
 114                                 $w.m.t insert end [string range $buf $c $lf]
 115                                 set console_cr [$w.m.t index {end -1c}]
 116                                 set c $lf
 117                                 incr c
 118                         } else {
 119                                 $w.m.t delete $console_cr end
 120                                 $w.m.t insert end "\n"
 121                                 $w.m.t insert end [string range $buf $c $cr]
 122                                 set c $cr
 123                                 incr c
 124                         }
 125                 }
 126                 $w.m.t conf -state disabled
 127                 $w.m.t see end
 128         }
 129
 130         fconfigure $fd -blocking 1
 131         if {[eof $fd]} {
 132                 if {[catch {close $fd}]} {
 133                         set ok 0
 134                 } else {
 135                         set ok 1
 136                 }
 137                 if {$after ne {}} {
 138                         uplevel #0 $after $ok
 139                 } else {
 140                         done $this $ok
 141                 }
 142                 return
 143         }
 144         fconfigure $fd -blocking 0
 145 }
 146
 147 method chain {cmdlist {ok 1}} {
 148         if {$ok} {
 149                 if {[llength $cmdlist] == 0} {
 150                         done $this $ok
 151                         return
 152                 }
 153
 154                 set cmd [lindex $cmdlist 0]
 155                 set cmdlist [lrange $cmdlist 1 end]
 156
 157                 if {[lindex $cmd 0] eq {exec}} {
 158                         exec $this \
 159                                 [lrange $cmd 1 end] \
 160                                 [cb chain $cmdlist]
 161                 } else {
 162                         uplevel #0 $cmd [cb chain $cmdlist]
 163                 }
 164         } else {
 165                 done $this $ok
 166         }
 167 }
 168
 169 method insert {txt} {
 170         if {![winfo exists $w.m.t]} {_init $this}
 171         $w.m.t conf -state normal
 172         $w.m.t insert end "$txt\n"
 173         set console_cr [$w.m.t index {end -1c}]
 174         $w.m.t conf -state disabled
 175 }
 176
 177 method done {ok} {
 178         if {$ok} {
 179                 if {[winfo exists $w.m.s]} {
 180                         $w.m.s conf -background green -text {Success}
 181                         if {$is_toplevel} {
 182                                 $w.ok conf -state normal
 183                                 focus $w.ok
 184                         }
 185                 }
 186         } else {
 187                 if {![winfo exists $w.m.s]} {
 188                         _init $this
 189                 }
 190                 $w.m.s conf -background red -text {Error: Command Failed}
 191                 if {$is_toplevel} {
 192                         $w.ok conf -state normal
 193                         focus $w.ok
 194                 }
 195         }
 196         delete_this
 197 }
 198
 199 }