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 w_t
  10 field console_cr
  11 field is_toplevel    1; # are we our own window?
  12
  13 constructor new {short_title long_title} {
  14         set t_short $short_title
  15         set t_long $long_title
  16         _init $this
  17         return $this
  18 }
  19
  20 constructor embed {path title} {
  21         set t_short {}
  22         set t_long $title
  23         set w $path
  24         set is_toplevel 0
  25         _init $this
  26         return $this
  27 }
  28
  29 method _init {} {
  30         global M1B
  31
  32         if {$is_toplevel} {
  33                 make_toplevel top w -autodelete 0
  34                 wm title $top "[appname] ([reponame]): $t_short"
  35         } else {
  36                 frame $w
  37         }
  38
  39         set console_cr 1.0
  40         set w_t $w.m.t
  41
  42         frame $w.m
  43         label $w.m.l1 \
  44                 -textvariable @t_long  \
  45                 -anchor w \
  46                 -justify left \
  47                 -font font_uibold
  48         text $w_t \
  49                 -background white \
  50                 -foreground black \
  51                 -borderwidth 1 \
  52                 -relief sunken \
  53                 -width 80 -height 10 \
  54                 -wrap none \
  55                 -font font_diff \
  56                 -state disabled \
  57                 -xscrollcommand [cb _sb_set $w.m.sbx h] \
  58                 -yscrollcommand [cb _sb_set $w.m.sby v]
  59         label $w.m.s -text [mc "Working... please wait..."] \
  60                 -anchor w \
  61                 -justify left \
  62                 -font font_uibold
  63         pack $w.m.l1 -side top -fill x
  64         pack $w.m.s -side bottom -fill x
  65         pack $w_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 [mc "Copy"] \
  70                 -command "tk_textCopy $w_t"
  71         $w.ctxm add command -label [mc "Select All"] \
  72                 -command "focus $w_t;$w_t tag add sel 0.0 end"
  73         $w.ctxm add command -label [mc "Copy All"] \
  74                 -command "
  75                         $w_t tag add sel 0.0 end
  76                         tk_textCopy $w_t
  77                         $w_t tag remove sel 0.0 end
  78                 "
  79
  80         if {$is_toplevel} {
  81                 button $w.ok -text [mc "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_t "tk_popup $w.ctxm %X %Y"
  89         bind $w_t <$M1B-Key-a> "$w_t tag add sel 0.0 end;break"
  90         bind $w_t <$M1B-Key-A> "$w_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_t]} {_init $this}
 108                 $w_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_t insert end [string range $buf $c $lf]
 119                                 set console_cr [$w_t index {end -1c}]
 120                                 set c $lf
 121                                 incr c
 122                         } else {
 123                                 $w_t delete $console_cr end
 124                                 $w_t insert end "\n"
 125                                 $w_t insert end [string range $buf $c [expr {$cr - 1}]]
 126                                 set c $cr
 127                                 incr c
 128                         }
 129                 }
 130                 $w_t conf -state disabled
 131                 $w_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_t]} {_init $this}
 175         $w_t conf -state normal
 176         $w_t insert end "$txt\n"
 177         set console_cr [$w_t index {end -1c}]
 178         $w_t conf -state disabled
 179 }
 180
 181 method done {ok} {
 182         if {$ok} {
 183                 if {[winfo exists $w.m.s]} {
 184                         bind $w.m.s <Destroy> [list delete_this $this]
 185                         $w.m.s conf -background green -foreground black \
 186                                 -text [mc "Success"]
 187                         if {$is_toplevel} {
 188                                 $w.ok conf -state normal
 189                                 focus $w.ok
 190                         }
 191                 } else {
 192                         delete_this
 193                 }
 194         } else {
 195                 if {![winfo exists $w.m.s]} {
 196                         _init $this
 197                 }
 198                 bind $w.m.s <Destroy> [list delete_this $this]
 199                 $w.m.s conf -background red -foreground black \
 200                         -text [mc "Error: Command Failed"]
 201                 if {$is_toplevel} {
 202                         $w.ok conf -state normal
 203                         focus $w.ok
 204                 }
 205         }
 206 }
 207
 208 method _sb_set {sb orient first last} {
 209         if {![winfo exists $sb]} {
 210                 if {$first == $last || ($first == 0 && $last == 1)} return
 211                 if {$orient eq {h}} {
 212                         scrollbar $sb -orient h -command [list $w_t xview]
 213                         pack $sb -fill x -side bottom -before $w_t
 214                 } else {
 215                         scrollbar $sb -orient v -command [list $w_t yview]
 216                         pack $sb -fill y -side right -before $w_t
 217                 }
 218         }
 219         $sb set $first $last
 220 }
 221
 222 }