git-gui: Allow users to browse any branch, not just the current one
[git] / 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                 -wrap none \
51                 -font font_diff \
52                 -state disabled \
53                 -xscrollcommand [list $w.m.sbx set] \
54                 -yscrollcommand [list $w.m.sby set]
55         label $w.m.s -text {Working... please wait...} \
56                 -anchor w \
57                 -justify left \
58                 -font font_uibold
59         scrollbar $w.m.sbx -command [list $w.m.t xview] -orient h
60         scrollbar $w.m.sby -command [list $w.m.t yview]
61         pack $w.m.l1 -side top -fill x
62         pack $w.m.s -side bottom -fill x
63         pack $w.m.sbx -side bottom -fill x
64         pack $w.m.sby -side right -fill y
65         pack $w.m.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 "Copy" \
70                 -command "tk_textCopy $w.m.t"
71         $w.ctxm add command -label "Select All" \
72                 -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
73         $w.ctxm add command -label "Copy All" \
74                 -command "
75                         $w.m.t tag add sel 0.0 end
76                         tk_textCopy $w.m.t
77                         $w.m.t tag remove sel 0.0 end
78                 "
79
80         if {$is_toplevel} {
81                 button $w.ok -text {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.m.t "tk_popup $w.ctxm %X %Y"
89         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
90         bind $w.m.t <$M1B-Key-A> "$w.m.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.m.t]} {_init $this}
108                 $w.m.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.m.t insert end [string range $buf $c $lf]
119                                 set console_cr [$w.m.t index {end -1c}]
120                                 set c $lf
121                                 incr c
122                         } else {
123                                 $w.m.t delete $console_cr end
124                                 $w.m.t insert end "\n"
125                                 $w.m.t insert end [string range $buf $c $cr]
126                                 set c $cr
127                                 incr c
128                         }
129                 }
130                 $w.m.t conf -state disabled
131                 $w.m.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.m.t]} {_init $this}
175         $w.m.t conf -state normal
176         $w.m.t insert end "$txt\n"
177         set console_cr [$w.m.t index {end -1c}]
178         $w.m.t conf -state disabled
179 }
180
181 method done {ok} {
182         if {$ok} {
183                 if {[winfo exists $w.m.s]} {
184                         $w.m.s conf -background green -text {Success}
185                         if {$is_toplevel} {
186                                 $w.ok conf -state normal
187                                 focus $w.ok
188                         }
189                 }
190         } else {
191                 if {![winfo exists $w.m.s]} {
192                         _init $this
193                 }
194                 $w.m.s conf -background red -text {Error: Command Failed}
195                 if {$is_toplevel} {
196                         $w.ok conf -state normal
197                         focus $w.ok
198                 }
199         }
200         delete_this
201 }
202
203 }