git-gui/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
  11 constructor new {short_title long_title} {
  12         set t_short $short_title
  13         set t_long $long_title
  14         _init $this
  15         return $this
  16 }
  17
  18 method _init {} {
  19         global M1B
  20         make_toplevel top w -autodelete 0
  21         wm title $top "[appname] ([reponame]): $t_short"
  22         set console_cr 1.0
  23
  24         frame $w.m
  25         label $w.m.l1 \
  26                 -textvariable @t_long  \
  27                 -anchor w \
  28                 -justify left \
  29                 -font font_uibold
  30         text $w.m.t \
  31                 -background white -borderwidth 1 \
  32                 -relief sunken \
  33                 -width 80 -height 10 \
  34                 -font font_diff \
  35                 -state disabled \
  36                 -yscrollcommand [list $w.m.sby set]
  37         label $w.m.s -text {Working... please wait...} \
  38                 -anchor w \
  39                 -justify left \
  40                 -font font_uibold
  41         scrollbar $w.m.sby -command [list $w.m.t yview]
  42         pack $w.m.l1 -side top -fill x
  43         pack $w.m.s -side bottom -fill x
  44         pack $w.m.sby -side right -fill y
  45         pack $w.m.t -side left -fill both -expand 1
  46         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
  47
  48         menu $w.ctxm -tearoff 0
  49         $w.ctxm add command -label "Copy" \
  50                 -command "tk_textCopy $w.m.t"
  51         $w.ctxm add command -label "Select All" \
  52                 -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
  53         $w.ctxm add command -label "Copy All" \
  54                 -command "
  55                         $w.m.t tag add sel 0.0 end
  56                         tk_textCopy $w.m.t
  57                         $w.m.t tag remove sel 0.0 end
  58                 "
  59
  60         button $w.ok -text {Close} \
  61                 -state disabled \
  62                 -command "destroy $w"
  63         pack $w.ok -side bottom -anchor e -pady 10 -padx 10
  64
  65         bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
  66         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
  67         bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
  68         bind $w <Visibility> "focus $w"
  69 }
  70
  71 method exec {cmd {after {}}} {
  72         # -- Cygwin's Tcl tosses the enviroment when we exec our child.
  73         #    But most users need that so we have to relogin. :-(
  74         #
  75         if {[is_Cygwin]} {
  76                 set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
  77         }
  78
  79         # -- Tcl won't let us redirect both stdout and stderr to
  80         #    the same pipe.  So pass it through cat...
  81         #
  82         set cmd [concat | $cmd |& cat]
  83
  84         set fd_f [open $cmd r]
  85         fconfigure $fd_f -blocking 0 -translation binary
  86         fileevent $fd_f readable [cb _read $fd_f $after]
  87 }
  88
  89 method _read {fd after} {
  90         set buf [read $fd]
  91         if {$buf ne {}} {
  92                 if {![winfo exists $w.m.t]} {_init $this}
  93                 $w.m.t conf -state normal
  94                 set c 0
  95                 set n [string length $buf]
  96                 while {$c < $n} {
  97                         set cr [string first "\r" $buf $c]
  98                         set lf [string first "\n" $buf $c]
  99                         if {$cr < 0} {set cr [expr {$n + 1}]}
 100                         if {$lf < 0} {set lf [expr {$n + 1}]}
 101
 102                         if {$lf < $cr} {
 103                                 $w.m.t insert end [string range $buf $c $lf]
 104                                 set console_cr [$w.m.t index {end -1c}]
 105                                 set c $lf
 106                                 incr c
 107                         } else {
 108                                 $w.m.t delete $console_cr end
 109                                 $w.m.t insert end "\n"
 110                                 $w.m.t insert end [string range $buf $c $cr]
 111                                 set c $cr
 112                                 incr c
 113                         }
 114                 }
 115                 $w.m.t conf -state disabled
 116                 $w.m.t see end
 117         }
 118
 119         fconfigure $fd -blocking 1
 120         if {[eof $fd]} {
 121                 if {[catch {close $fd}]} {
 122                         set ok 0
 123                 } else {
 124                         set ok 1
 125                 }
 126                 if {$after ne {}} {
 127                         uplevel #0 $after $ok
 128                 } else {
 129                         done $this $ok
 130                 }
 131                 return
 132         }
 133         fconfigure $fd -blocking 0
 134 }
 135
 136 method chain {cmdlist {ok 1}} {
 137         if {$ok} {
 138                 if {[llength $cmdlist] == 0} {
 139                         done $this $ok
 140                         return
 141                 }
 142
 143                 set cmd [lindex $cmdlist 0]
 144                 set cmdlist [lrange $cmdlist 1 end]
 145
 146                 if {[lindex $cmd 0] eq {exec}} {
 147                         exec $this \
 148                                 [lrange $cmd 1 end] \
 149                                 [cb chain $cmdlist]
 150                 } else {
 151                         uplevel #0 $cmd [cb chain $cmdlist]
 152                 }
 153         } else {
 154                 done $this $ok
 155         }
 156 }
 157
 158 method done {ok} {
 159         if {$ok} {
 160                 if {[winfo exists $w.m.s]} {
 161                         $w.m.s conf -background green -text {Success}
 162                         $w.ok conf -state normal
 163                         focus $w.ok
 164                 }
 165         } else {
 166                 if {![winfo exists $w.m.s]} {
 167                         _init $this
 168                 }
 169                 $w.m.s conf -background red -text {Error: Command Failed}
 170                 $w.ok conf -state normal
 171                 focus $w.ok
 172         }
 173         delete_this
 174 }
 175
 176 }