class choose_rev {
+image create photo ::choose_rev::img_find -data {R0lGODlhEAAQAIYAAPwCBCQmJDw+PBQSFAQCBMza3NTm5MTW1HyChOT29Ozq7MTq7Kze5Kzm7Oz6/NTy9Iza5GzGzKzS1Nzy9Nz29Kzq9HTGzHTK1Lza3AwKDLzu9JTi7HTW5GTCzITO1Mzq7Hza5FTK1ESyvHzKzKzW3DQyNDyqtDw6PIzW5HzGzAT+/Dw+RKyurNTOzMTGxMS+tJSGdATCxHRydLSqpLymnLSijBweHERCRNze3Pz69PTy9Oze1OTSxOTGrMSqlLy+vPTu5OzSvMymjNTGvNS+tMy2pMyunMSefAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAe4gACCAAECA4OIiAIEBQYHBAKJgwIICQoLDA0IkZIECQ4PCxARCwSSAxITFA8VEBYXGBmJAQYLGhUbHB0eH7KIGRIMEBAgISIjJKaIJQQLFxERIialkieUGigpKRoIBCqJKyyLBwvJAioEyoICLS4v6QQwMQQyLuqLli8zNDU2BCf1lN3AkUPHDh49fAQAAEnGD1MCCALZEaSHkIUMBQS8wWMIkSJGhBzBmFEGgRsBUqpMiSgdAD+BAAAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
+
field w ; # our megawidget path
-field revtype {}; # type of revision chosen
+field w_list ; # list of currently filtered specs
+field w_filter ; # filter entry for $w_list
-field c_head {}; # selected local branch head
-field c_trck {}; # selected tracking branch
-field c_tag {}; # selected tag
field c_expr {}; # current revision expression
-
-field trck_spec ; # array of specifications
+field filter ; # current filter string
+field revtype head; # type of revision chosen
+field cur_specs [list]; # list of specs for $revtype
+field spec_head ; # list of all head specs
+field spec_trck ; # list of all tracking branch specs
+field spec_tag ; # list of all tag specs
constructor new {path {title {}}} {
global all_heads current_branch
}
bind $w <Destroy> [cb _delete %W]
- if {$all_heads ne {}} {
- set c_head $current_branch
- radiobutton $w.head_r \
- -text {Local Branch:} \
- -value head \
- -variable @revtype
- eval tk_optionMenu $w.head_m @c_head $all_heads
- grid $w.head_r $w.head_m -sticky w
- if {$revtype eq {}} {
- set revtype head
- }
- trace add variable @c_head write [cb _select head]
- }
-
- set trck_list [all_tracking_branches]
- if {$trck_list ne {}} {
- set nam [list]
- foreach spec $trck_list {
- set txt [lindex $spec 0]
- regsub ^refs/(heads/|remotes/)? $txt {} txt
- set trck_spec($txt) $spec
- lappend nam $txt
- }
- set nam [lsort -unique $nam]
-
- radiobutton $w.trck_r \
- -text {Tracking Branch:} \
- -value trck \
- -variable @revtype
- eval tk_optionMenu $w.trck_m @c_trck $nam
- grid $w.trck_r $w.trck_m -sticky w
-
- set c_trck [lindex $nam 0]
- if {$revtype eq {}} {
- set revtype trck
- }
- trace add variable @c_trck write [cb _select trck]
- unset nam spec txt
- }
-
- set all_tags [load_all_tags]
- if {$all_tags ne {}} {
- set c_tag [lindex $all_tags 0]
- radiobutton $w.tag_r \
- -text {Tag:} \
- -value tag \
- -variable @revtype
- eval tk_optionMenu $w.tag_m @c_tag $all_tags
- grid $w.tag_r $w.tag_m -sticky w
- if {$revtype eq {}} {
- set revtype tag
- }
- trace add variable @c_tag write [cb _select tag]
- }
-
radiobutton $w.expr_r \
-text {Revision Expression:} \
-value expr \
-validate key \
-validatecommand [cb _validate %d %S]
grid $w.expr_r $w.expr_t -sticky we -padx {0 5}
- if {$revtype eq {}} {
- set revtype expr
- }
+
+ frame $w.types
+ radiobutton $w.types.head_r \
+ -text {Local Branch} \
+ -value head \
+ -variable @revtype
+ pack $w.types.head_r -side left
+ radiobutton $w.types.trck_r \
+ -text {Tracking Branch} \
+ -value trck \
+ -variable @revtype
+ pack $w.types.trck_r -side left
+ radiobutton $w.types.tag_r \
+ -text {Tag} \
+ -value tag \
+ -variable @revtype
+ pack $w.types.tag_r -side left
+ set w_filter $w.types.filter
+ entry $w_filter \
+ -borderwidth 1 \
+ -relief sunken \
+ -width 12 \
+ -textvariable @filter \
+ -validate key \
+ -validatecommand [cb _filter %P]
+ pack $w_filter -side right
+ pack [label $w.types.filter_icon \
+ -image ::choose_rev::img_find \
+ ] -side right
+ grid $w.types -sticky we -padx {0 5} -columnspan 2
+
+ frame $w.list
+ set w_list $w.list.l
+ listbox $w_list \
+ -font font_diff \
+ -width 50 \
+ -height 5 \
+ -selectmode browse \
+ -exportselection false \
+ -xscrollcommand [cb _sb_set $w.list.sbx h] \
+ -yscrollcommand [cb _sb_set $w.list.sby v]
+ pack $w_list -fill both -expand 1
+ grid $w.list -sticky nswe -padx {20 5} -columnspan 2
grid columnconfigure $w 1 -weight 1
+ grid rowconfigure $w 2 -weight 1
+
+ trace add variable @revtype write [cb _select]
+ bind $w_filter <Key-Return> [list focus $w_list]\;break
+ bind $w_filter <Key-Down> [list focus $w_list]
+
+ set spec_head [list]
+ foreach name $all_heads {
+ lappend spec_head [list $name refs/heads/$name]
+ }
+
+ set spec_trck [list]
+ foreach spec [all_tracking_branches] {
+ set name [lindex $spec 0]
+ regsub ^refs/(heads|remotes)/ $name {} name
+ lappend spec_trck [concat $name $spec]
+ }
+
+ set spec_tag [list]
+ foreach name [load_all_tags] {
+ lappend spec_tag [list $name refs/tags/$name]
+ }
+
+ if {[llength $spec_head] > 0} { set revtype head
+ } elseif {[llength $spec_trck] > 0} { set revtype trck
+ } elseif {[llength $spec_tag ] > 0} { set revtype tag
+ } else { set revtype expr
+ }
+
+ if {$revtype eq {head} && $current_branch ne {}} {
+ set i 0
+ foreach spec $spec_head {
+ if {[lindex $spec 0] eq $current_branch} {
+ $w_list selection set $i
+ break
+ }
+ incr i
+ }
+ }
+
return $this
}
method none {text} {
- if {[winfo exists $w.none_r]} {
- $w.none_r configure -text $text
- return
- }
-
- radiobutton $w.none_r \
- -anchor w \
- -text $text \
- -value none \
- -variable @revtype
- grid $w.none_r -sticky we -padx {0 5} -columnspan 2
- if {$revtype eq {}} {
- set revtype none
+ if {![winfo exists $w.none_r]} {
+ radiobutton $w.none_r \
+ -anchor w \
+ -value none \
+ -variable @revtype
+ grid $w.none_r -sticky we -padx {0 5} -columnspan 2
}
+ $w.none_r configure -text $text
}
method get {} {
switch -- $revtype {
- head { return $c_head }
- trck { return $c_trck }
- tag { return $c_tag }
- expr { return $c_expr }
- none { return {} }
+ head -
+ trck -
+ tag {
+ set i [$w_list curselection]
+ if {$i ne {}} {
+ return [lindex $cur_specs $i 0]
+ } else {
+ return {}
+ }
+ }
+
+ expr { return $c_expr }
+ none { return {} }
default { error "unknown type of revision" }
}
}
method get_tracking_branch {} {
- if {$revtype eq {trck}} {
- return $trck_spec($c_trck)
- } else {
+ set i [$w_list curselection]
+ if {$i eq {} || $revtype ne {trck}} {
return {}
}
+ return [lrange [lindex $cur_specs $i] 1 end]
}
-method get_expr {} {
- switch -- $revtype {
- head { return refs/heads/$c_head }
- trck { return [lindex $trck_spec($c_trck) 0] }
- tag { return refs/tags/$c_tag }
- expr { return $c_expr }
- none { return {} }
- default { error "unknown type of revision" }
+method get_commit {} {
+ set e [_expr $this]
+ if {$e eq {}} {
+ return {}
}
+ return [git rev-parse --verify "$e^0"]
}
-method get_commit {} {
- if {$revtype eq {none}} {
- return {}
+method commit_or_die {} {
+ if {[catch {set new [get_commit $this]} err]} {
+
+ # Cleanup the not-so-friendly error from rev-parse.
+ #
+ regsub {^fatal:\s*} $err {} err
+ if {$err eq {Needed a single revision}} {
+ set err {}
+ }
+
+ set top [winfo toplevel $w]
+ set msg "Invalid revision: [get $this]\n\n$err"
+ tk_messageBox \
+ -icon error \
+ -type ok \
+ -title [wm title $top] \
+ -parent $top \
+ -message $msg
+ error $msg
+ }
+ return $new
+}
+
+method _expr {} {
+ switch -- $revtype {
+ head -
+ trck -
+ tag {
+ set i [$w_list curselection]
+ if {$i ne {}} {
+ return [lindex $cur_specs $i 1]
+ } else {
+ error "No revision selected."
+ }
+ }
+
+ expr {
+ if {$c_expr ne {}} {
+ return $c_expr
+ } else {
+ error "Revision expression is empty."
+ }
+ }
+ none { return {} }
+ default { error "unknown type of revision" }
}
- return [git rev-parse --verify "[get_expr $this]^0"]
}
method _validate {d S} {
return 1
}
-method _select {value args} {
- set revtype $value
+method _filter {P} {
+ if {[regexp {\s} $P]} {
+ return 0
+ }
+ _rebuild $this $P
+ return 1
+}
+
+method _select {args} {
+ _rebuild $this $filter
+ if {[$w_filter cget -state] eq {normal}} {
+ focus $w_filter
+ }
+}
+
+method _rebuild {pat} {
+ set ste normal
+ switch -- $revtype {
+ head { set new $spec_head }
+ trck { set new $spec_trck }
+ tag { set new $spec_tag }
+ expr -
+ none {
+ set new [list]
+ set ste disabled
+ }
+ }
+
+ if {[$w_list cget -state] eq {disabled}} {
+ $w_list configure -state normal
+ }
+ $w_list delete 0 end
+
+ if {$pat ne {}} {
+ set pat *${pat}*
+ }
+ set cur_specs [list]
+ foreach spec $new {
+ set txt [lindex $spec 0]
+ if {$pat eq {} || [string match $pat $txt]} {
+ lappend cur_specs $spec
+ $w_list insert end $txt
+ }
+ }
+
+ if {[$w_filter cget -state] ne $ste} {
+ $w_list configure -state $ste
+ $w_filter configure -state $ste
+ }
}
method _delete {current} {
}
}
+method _sb_set {sb orient first last} {
+ set old_focus [focus -lastfor $w]
+
+ if {$first == 0 && $last == 1} {
+ if {[winfo exists $sb]} {
+ destroy $sb
+ if {$old_focus ne {}} {
+ update
+ focus $old_focus
+ }
+ }
+ return
+ }
+
+ if {![winfo exists $sb]} {
+ if {$orient eq {h}} {
+ scrollbar $sb -orient h -command [list $w_list xview]
+ pack $sb -fill x -side bottom -before $w_list
+ } else {
+ scrollbar $sb -orient v -command [list $w_list yview]
+ pack $sb -fill y -side right -before $w_list
+ }
+ if {$old_focus ne {}} {
+ update
+ focus $old_focus
+ }
+ }
+ $sb set $first $last
+}
+
}