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                 -wrap none \
  35                 -font font_diff \
  36                 -state disabled \
  37                 -xscrollcommand [list $w.m.sbx set] \
  38                 -yscrollcommand [list $w.m.sby set]
  39         label $w.m.s -text {Working... please wait...} \
  40                 -anchor w \
  41                 -justify left \
  42                 -font font_uibold
  43         scrollbar $w.m.sbx -command [list $w.m.t xview] -orient h
  44         scrollbar $w.m.sby -command [list $w.m.t yview]
  45         pack $w.m.l1 -side top -fill x
  46         pack $w.m.s -side bottom -fill x
  47         pack $w.m.sbx -side bottom -fill x
  48         pack $w.m.sby -side right -fill y
  49         pack $w.m.t -side left -fill both -expand 1
  50         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
  51
  52         menu $w.ctxm -tearoff 0
  53         $w.ctxm add command -label "Copy" \
  54                 -command "tk_textCopy $w.m.t"
  55         $w.ctxm add command -label "Select All" \
  56                 -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
  57         $w.ctxm add command -label "Copy All" \
  58                 -command "
  59                         $w.m.t tag add sel 0.0 end
  60                         tk_textCopy $w.m.t
  61                         $w.m.t tag remove sel 0.0 end
  62                 "
  63
  64         button $w.ok -text {Close} \
  65                 -state disabled \
  66                 -command "destroy $w"
  67         pack $w.ok -side bottom -anchor e -pady 10 -padx 10
  68
  69         bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
  70         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
  71         bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
  72         bind $w <Visibility> "focus $w"
  73 }
  74
  75 method exec {cmd {after {}}} {
  76         # -- Cygwin's Tcl tosses the enviroment when we exec our child.
  77         #    But most users need that so we have to relogin. :-(
  78         #
  79         if {[is_Cygwin]} {
  80                 set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
  81         }
  82
  83         # -- Tcl won't let us redirect both stdout and stderr to
  84         #    the same pipe.  So pass it through cat...
  85         #
  86         set cmd [concat | $cmd |& cat]
  87
  88         set fd_f [open $cmd r]
  89         fconfigure $fd_f -blocking 0 -translation binary
  90         fileevent $fd_f readable [cb _read $fd_f $after]
  91 }
  92
  93 method _read {fd after} {
  94         set buf [read $fd]
  95         if {$buf ne {}} {
  96                 if {![winfo exists $w.m.t]} {_init $this}
  97                 $w.m.t conf -state normal
  98                 set c 0
  99                 set n [string length $buf]
 100                 while {$c < $n} {
 101                         set cr [string first "\r" $buf $c]
 102                         set lf [string first "\n" $buf $c]
 103                         if {$cr < 0} {set cr [expr {$n + 1}]}
 104                         if {$lf < 0} {set lf [expr {$n + 1}]}
 105
 106                         if {$lf < $cr} {
 107                                 $w.m.t insert end [string range $buf $c $lf]
 108                                 set console_cr [$w.m.t index {end -1c}]
 109                                 set c $lf
 110                                 incr c
 111                         } else {
 112                                 $w.m.t delete $console_cr end
 113                                 $w.m.t insert end "\n"
 114                                 $w.m.t insert end [string range $buf $c $cr]
 115                                 set c $cr
 116                                 incr c
 117                         }
 118                 }
 119                 $w.m.t conf -state disabled
 120                 $w.m.t see end
 121         }
 122
 123         fconfigure $fd -blocking 1
 124         if {[eof $fd]} {
 125                 if {[catch {close $fd}]} {
 126                         set ok 0
 127                 } else {
 128                         set ok 1
 129                 }
 130                 if {$after ne {}} {
 131                         uplevel #0 $after $ok
 132                 } else {
 133                         done $this $ok
 134                 }
 135                 return
 136         }
 137         fconfigure $fd -blocking 0
 138 }
 139
 140 method chain {cmdlist {ok 1}} {
 141         if {$ok} {
 142                 if {[llength $cmdlist] == 0} {
 143                         done $this $ok
 144                         return
 145                 }
 146
 147                 set cmd [lindex $cmdlist 0]
 148                 set cmdlist [lrange $cmdlist 1 end]
 149
 150                 if {[lindex $cmd 0] eq {exec}} {
 151                         exec $this \
 152                                 [lrange $cmd 1 end] \
 153                                 [cb chain $cmdlist]
 154                 } else {
 155                         uplevel #0 $cmd [cb chain $cmdlist]
 156                 }
 157         } else {
 158                 done $this $ok
 159         }
 160 }
 161
 162 method done {ok} {
 163         if {$ok} {
 164                 if {[winfo exists $w.m.s]} {
 165                         $w.m.s conf -background green -text {Success}
 166                         $w.ok conf -state normal
 167                         focus $w.ok
 168                 }
 169         } else {
 170                 if {![winfo exists $w.m.s]} {
 171                         _init $this
 172                 }
 173                 $w.m.s conf -background red -text {Error: Command Failed}
 174                 $w.ok conf -state normal
 175                 focus $w.ok
 176         }
 177         delete_this
 178 }
 179
 180 }