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         # -- Cygwin's Tcl tosses the enviroment when we exec our child.
  91         #    But most users need that so we have to relogin. :-(
  92         #
  93         if {[is_Cygwin]} {
  94                 set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
  95         }
  96
  97         # -- Tcl won't let us redirect both stdout and stderr to
  98         #    the same pipe.  So pass it through cat...
  99         #
 100         set cmd [concat | $cmd |& cat]
 101
 102         set fd_f [open $cmd r]
 103         fconfigure $fd_f -blocking 0 -translation binary
 104         fileevent $fd_f readable [cb _read $fd_f $after]
 105 }
 106
 107 method _read {fd after} {
 108         set buf [read $fd]
 109         if {$buf ne {}} {
 110                 if {![winfo exists $w.m.t]} {_init $this}
 111                 $w.m.t conf -state normal
 112                 set c 0
 113                 set n [string length $buf]
 114                 while {$c < $n} {
 115                         set cr [string first "\r" $buf $c]
 116                         set lf [string first "\n" $buf $c]
 117                         if {$cr < 0} {set cr [expr {$n + 1}]}
 118                         if {$lf < 0} {set lf [expr {$n + 1}]}
 119
 120                         if {$lf < $cr} {
 121                                 $w.m.t insert end [string range $buf $c $lf]
 122                                 set console_cr [$w.m.t index {end -1c}]
 123                                 set c $lf
 124                                 incr c
 125                         } else {
 126                                 $w.m.t delete $console_cr end
 127                                 $w.m.t insert end "\n"
 128                                 $w.m.t insert end [string range $buf $c $cr]
 129                                 set c $cr
 130                                 incr c
 131                         }
 132                 }
 133                 $w.m.t conf -state disabled
 134                 $w.m.t see end
 135         }
 136
 137         fconfigure $fd -blocking 1
 138         if {[eof $fd]} {
 139                 if {[catch {close $fd}]} {
 140                         set ok 0
 141                 } else {
 142                         set ok 1
 143                 }
 144                 if {$after ne {}} {
 145                         uplevel #0 $after $ok
 146                 } else {
 147                         done $this $ok
 148                 }
 149                 return
 150         }
 151         fconfigure $fd -blocking 0
 152 }
 153
 154 method chain {cmdlist {ok 1}} {
 155         if {$ok} {
 156                 if {[llength $cmdlist] == 0} {
 157                         done $this $ok
 158                         return
 159                 }
 160
 161                 set cmd [lindex $cmdlist 0]
 162                 set cmdlist [lrange $cmdlist 1 end]
 163
 164                 if {[lindex $cmd 0] eq {exec}} {
 165                         exec $this \
 166                                 [lrange $cmd 1 end] \
 167                                 [cb chain $cmdlist]
 168                 } else {
 169                         uplevel #0 $cmd [cb chain $cmdlist]
 170                 }
 171         } else {
 172                 done $this $ok
 173         }
 174 }
 175
 176 method done {ok} {
 177         if {$ok} {
 178                 if {[winfo exists $w.m.s]} {
 179                         $w.m.s conf -background green -text {Success}
 180                         if {$is_toplevel} {
 181                                 $w.ok conf -state normal
 182                                 focus $w.ok
 183                         }
 184                 }
 185         } else {
 186                 if {![winfo exists $w.m.s]} {
 187                         _init $this
 188                 }
 189                 $w.m.s conf -background red -text {Error: Command Failed}
 190                 if {$is_toplevel} {
 191                         $w.ok conf -state normal
 192                         focus $w.ok
 193                 }
 194         }
 195         delete_this
 196 }
 197
 198 }