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https://github.com/git/git.git
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7cf0442667
In some workflows users will want to almost always just create a new local branch that matches a remote branch. In this type of workflow it is handy to have the new branch dialog default to "Match Tracking Branch" and "Starting Revision"-Tracking Branch", with the focus in the branch filter field. This can save users working on this type of workflow at least two mouse clicks every time they create a new local branch or switch to one with a fast-forward. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
330 lines
7.5 KiB
Tcl
330 lines
7.5 KiB
Tcl
# git-gui revision chooser
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# Copyright (C) 2006, 2007 Shawn Pearce
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class choose_rev {
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image create photo ::choose_rev::img_find -data {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}
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field w ; # our megawidget path
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field w_list ; # list of currently filtered specs
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field w_filter ; # filter entry for $w_list
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field c_expr {}; # current revision expression
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field filter ; # current filter string
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field revtype head; # type of revision chosen
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field cur_specs [list]; # list of specs for $revtype
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field spec_head ; # list of all head specs
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field spec_trck ; # list of all tracking branch specs
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field spec_tag ; # list of all tag specs
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constructor new {path {title {}}} {
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global all_heads current_branch
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set w $path
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if {$title ne {}} {
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labelframe $w -text $title
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} else {
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frame $w
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}
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bind $w <Destroy> [cb _delete %W]
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radiobutton $w.expr_r \
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-text {Revision Expression:} \
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-value expr \
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-variable @revtype
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entry $w.expr_t \
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-borderwidth 1 \
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-relief sunken \
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-width 50 \
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-textvariable @c_expr \
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-validate key \
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-validatecommand [cb _validate %d %S]
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grid $w.expr_r $w.expr_t -sticky we -padx {0 5}
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frame $w.types
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radiobutton $w.types.head_r \
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-text {Local Branch} \
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-value head \
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-variable @revtype
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pack $w.types.head_r -side left
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radiobutton $w.types.trck_r \
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-text {Tracking Branch} \
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-value trck \
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-variable @revtype
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pack $w.types.trck_r -side left
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radiobutton $w.types.tag_r \
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-text {Tag} \
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-value tag \
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-variable @revtype
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pack $w.types.tag_r -side left
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set w_filter $w.types.filter
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entry $w_filter \
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-borderwidth 1 \
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-relief sunken \
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-width 12 \
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-textvariable @filter \
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-validate key \
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-validatecommand [cb _filter %P]
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pack $w_filter -side right
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pack [label $w.types.filter_icon \
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-image ::choose_rev::img_find \
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] -side right
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grid $w.types -sticky we -padx {0 5} -columnspan 2
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frame $w.list
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set w_list $w.list.l
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listbox $w_list \
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-font font_diff \
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-width 50 \
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-height 5 \
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-selectmode browse \
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-exportselection false \
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-xscrollcommand [cb _sb_set $w.list.sbx h] \
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-yscrollcommand [cb _sb_set $w.list.sby v]
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pack $w_list -fill both -expand 1
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grid $w.list -sticky nswe -padx {20 5} -columnspan 2
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grid columnconfigure $w 1 -weight 1
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grid rowconfigure $w 2 -weight 1
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trace add variable @revtype write [cb _select]
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bind $w_filter <Key-Return> [list focus $w_list]\;break
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bind $w_filter <Key-Down> [list focus $w_list]
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set spec_head [list]
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foreach name $all_heads {
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lappend spec_head [list $name refs/heads/$name]
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}
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set spec_trck [list]
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foreach spec [all_tracking_branches] {
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set name [lindex $spec 0]
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regsub ^refs/(heads|remotes)/ $name {} name
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lappend spec_trck [concat $name $spec]
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}
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set spec_tag [list]
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foreach name [load_all_tags] {
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lappend spec_tag [list $name refs/tags/$name]
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}
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if {[llength $spec_head] > 0} { set revtype head
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} elseif {[llength $spec_trck] > 0} { set revtype trck
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} elseif {[llength $spec_tag ] > 0} { set revtype tag
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} else { set revtype expr
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}
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if {$revtype eq {head} && $current_branch ne {}} {
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set i 0
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foreach spec $spec_head {
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if {[lindex $spec 0] eq $current_branch} {
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$w_list selection set $i
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break
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}
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incr i
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}
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}
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return $this
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}
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method none {text} {
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if {![winfo exists $w.none_r]} {
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radiobutton $w.none_r \
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-anchor w \
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-value none \
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-variable @revtype
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grid $w.none_r -sticky we -padx {0 5} -columnspan 2
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}
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$w.none_r configure -text $text
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}
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method get {} {
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switch -- $revtype {
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head -
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trck -
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tag {
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set i [$w_list curselection]
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if {$i ne {}} {
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return [lindex $cur_specs $i 0]
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} else {
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return {}
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}
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}
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expr { return $c_expr }
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none { return {} }
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default { error "unknown type of revision" }
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}
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}
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method pick_tracking_branch {} {
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set revtype trck
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}
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method get_tracking_branch {} {
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set i [$w_list curselection]
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if {$i eq {} || $revtype ne {trck}} {
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return {}
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}
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return [lrange [lindex $cur_specs $i] 1 end]
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}
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method get_commit {} {
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set e [_expr $this]
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if {$e eq {}} {
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return {}
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}
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return [git rev-parse --verify "$e^0"]
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}
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method commit_or_die {} {
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if {[catch {set new [get_commit $this]} err]} {
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# Cleanup the not-so-friendly error from rev-parse.
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#
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regsub {^fatal:\s*} $err {} err
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if {$err eq {Needed a single revision}} {
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set err {}
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}
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set top [winfo toplevel $w]
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set msg "Invalid revision: [get $this]\n\n$err"
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tk_messageBox \
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-icon error \
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-type ok \
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-title [wm title $top] \
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-parent $top \
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-message $msg
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error $msg
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}
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return $new
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}
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method _expr {} {
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switch -- $revtype {
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head -
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trck -
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tag {
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set i [$w_list curselection]
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if {$i ne {}} {
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return [lindex $cur_specs $i 1]
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} else {
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error "No revision selected."
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}
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}
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expr {
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if {$c_expr ne {}} {
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return $c_expr
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} else {
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error "Revision expression is empty."
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}
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}
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none { return {} }
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default { error "unknown type of revision" }
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}
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}
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method _validate {d S} {
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if {$d == 1} {
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if {[regexp {\s} $S]} {
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return 0
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}
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if {[string length $S] > 0} {
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set revtype expr
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}
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}
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return 1
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}
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method _filter {P} {
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if {[regexp {\s} $P]} {
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return 0
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}
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_rebuild $this $P
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return 1
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}
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method _select {args} {
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_rebuild $this $filter
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if {[$w_filter cget -state] eq {normal}} {
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focus $w_filter
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}
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}
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method _rebuild {pat} {
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set ste normal
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switch -- $revtype {
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head { set new $spec_head }
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trck { set new $spec_trck }
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tag { set new $spec_tag }
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expr -
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none {
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set new [list]
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set ste disabled
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}
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}
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if {[$w_list cget -state] eq {disabled}} {
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$w_list configure -state normal
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}
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$w_list delete 0 end
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if {$pat ne {}} {
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set pat *${pat}*
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}
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set cur_specs [list]
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foreach spec $new {
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set txt [lindex $spec 0]
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if {$pat eq {} || [string match $pat $txt]} {
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lappend cur_specs $spec
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$w_list insert end $txt
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}
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}
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if {[$w_filter cget -state] ne $ste} {
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$w_list configure -state $ste
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$w_filter configure -state $ste
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}
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}
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method _delete {current} {
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if {$current eq $w} {
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delete_this
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}
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}
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method _sb_set {sb orient first last} {
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set old_focus [focus -lastfor $w]
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if {$first == 0 && $last == 1} {
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if {[winfo exists $sb]} {
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destroy $sb
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if {$old_focus ne {}} {
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update
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focus $old_focus
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}
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}
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return
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}
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if {![winfo exists $sb]} {
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if {$orient eq {h}} {
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scrollbar $sb -orient h -command [list $w_list xview]
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pack $sb -fill x -side bottom -before $w_list
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} else {
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scrollbar $sb -orient v -command [list $w_list yview]
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pack $sb -fill y -side right -before $w_list
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}
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if {$old_focus ne {}} {
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update
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focus $old_focus
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}
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}
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$sb set $first $last
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}
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}
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