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 -borderwidth 1 \
  50                 -relief sunken \
  51                 -width 80 -height 10 \
  52                 -wrap none \
  53                 -font font_diff \
  54                 -state disabled \
  55                 -xscrollcommand [cb _sb_set $w.m.sbx h] \
  56                 -yscrollcommand [cb _sb_set $w.m.sby v]
  57         label $w.m.s -text [mc "Working... please wait..."] \
  58                 -anchor w \
  59                 -justify left \
  60                 -font font_uibold
  61         pack $w.m.l1 -side top -fill x
  62         pack $w.m.s -side bottom -fill x
  63         pack $w_t -side left -fill both -expand 1
  64         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
  65
  66         menu $w.ctxm -tearoff 0
  67         $w.ctxm add command -label [mc "Copy"] \
  68                 -command "tk_textCopy $w_t"
  69         $w.ctxm add command -label [mc "Select All"] \
  70                 -command "focus $w_t;$w_t tag add sel 0.0 end"
  71         $w.ctxm add command -label [mc "Copy All"] \
  72                 -command "
  73                         $w_t tag add sel 0.0 end
  74                         tk_textCopy $w_t
  75                         $w_t tag remove sel 0.0 end
  76                 "
  77
  78         if {$is_toplevel} {
  79                 button $w.ok -text [mc "Close"] \
  80                         -state disabled \
  81                         -command [list destroy $w]
  82                 pack $w.ok -side bottom -anchor e -pady 10 -padx 10
  83                 bind $w <Visibility> [list focus $w]
  84         }
  85
  86         bind_button3 $w_t "tk_popup $w.ctxm %X %Y"
  87         bind $w_t <$M1B-Key-a> "$w_t tag add sel 0.0 end;break"
  88         bind $w_t <$M1B-Key-A> "$w_t tag add sel 0.0 end;break"
  89 }
  90
  91 method exec {cmd {after {}}} {
  92         if {[lindex $cmd 0] eq {git}} {
  93                 set fd_f [eval git_read --stderr [lrange $cmd 1 end]]
  94         } else {
  95                 lappend cmd 2>@1
  96                 set fd_f [_open_stdout_stderr $cmd]
  97         }
  98         fconfigure $fd_f -blocking 0 -translation binary
  99         fileevent $fd_f readable [cb _read $fd_f $after]
 100 }
 101
 102 method _read {fd after} {
 103         set buf [read $fd]
 104         if {$buf ne {}} {
 105                 if {![winfo exists $w_t]} {_init $this}
 106                 $w_t conf -state normal
 107                 set c 0
 108                 set n [string length $buf]
 109                 while {$c < $n} {
 110                         set cr [string first "\r" $buf $c]
 111                         set lf [string first "\n" $buf $c]
 112                         if {$cr < 0} {set cr [expr {$n + 1}]}
 113                         if {$lf < 0} {set lf [expr {$n + 1}]}
 114
 115                         if {$lf < $cr} {
 116                                 $w_t insert end [string range $buf $c $lf]
 117                                 set console_cr [$w_t index {end -1c}]
 118                                 set c $lf
 119                                 incr c
 120                         } else {
 121                                 $w_t delete $console_cr end
 122                                 $w_t insert end "\n"
 123                                 $w_t insert end [string range $buf $c [expr {$cr - 1}]]
 124                                 set c $cr
 125                                 incr c
 126                         }
 127                 }
 128                 $w_t conf -state disabled
 129                 $w_t see end
 130         }
 131
 132         fconfigure $fd -blocking 1
 133         if {[eof $fd]} {
 134                 if {[catch {close $fd}]} {
 135                         set ok 0
 136                 } else {
 137                         set ok 1
 138                 }
 139                 if {$after ne {}} {
 140                         uplevel #0 $after $ok
 141                 } else {
 142                         done $this $ok
 143                 }
 144                 return
 145         }
 146         fconfigure $fd -blocking 0
 147 }
 148
 149 method chain {cmdlist {ok 1}} {
 150         if {$ok} {
 151                 if {[llength $cmdlist] == 0} {
 152                         done $this $ok
 153                         return
 154                 }
 155
 156                 set cmd [lindex $cmdlist 0]
 157                 set cmdlist [lrange $cmdlist 1 end]
 158
 159                 if {[lindex $cmd 0] eq {exec}} {
 160                         exec $this \
 161                                 [lrange $cmd 1 end] \
 162                                 [cb chain $cmdlist]
 163                 } else {
 164                         uplevel #0 $cmd [cb chain $cmdlist]
 165                 }
 166         } else {
 167                 done $this $ok
 168         }
 169 }
 170
 171 method insert {txt} {
 172         if {![winfo exists $w_t]} {_init $this}
 173         $w_t conf -state normal
 174         $w_t insert end "$txt\n"
 175         set console_cr [$w_t index {end -1c}]
 176         $w_t conf -state disabled
 177 }
 178
 179 method done {ok} {
 180         if {$ok} {
 181                 if {[winfo exists $w.m.s]} {
 182                         bind $w.m.s <Destroy> [list delete_this $this]
 183                         $w.m.s conf -background green -text [mc "Success"]
 184                         if {$is_toplevel} {
 185                                 $w.ok conf -state normal
 186                                 focus $w.ok
 187                         }
 188                 } else {
 189                         delete_this
 190                 }
 191         } else {
 192                 if {![winfo exists $w.m.s]} {
 193                         _init $this
 194                 }
 195                 bind $w.m.s <Destroy> [list delete_this $this]
 196                 $w.m.s conf -background red -text [mc "Error: Command Failed"]
 197                 if {$is_toplevel} {
 198                         $w.ok conf -state normal
 199                         focus $w.ok
 200                 }
 201         }
 202 }
 203
 204 method _sb_set {sb orient first last} {
 205         if {![winfo exists $sb]} {
 206                 if {$first == $last || ($first == 0 && $last == 1)} return
 207                 if {$orient eq {h}} {
 208                         scrollbar $sb -orient h -command [list $w_t xview]
 209                         pack $sb -fill x -side bottom -before $w_t
 210                 } else {
 211                         scrollbar $sb -orient v -command [list $w_t yview]
 212                         pack $sb -fill y -side right -before $w_t
 213                 }
 214         }
 215         $sb set $first $last
 216 }
 217
 218 }