# git-gui revision chooser
# Copyright (C) 2006, 2007 Shawn Pearce
class choose_rev {
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field w ; # our megawidget path
field w_list ; # list of currently filtered specs
field w_filter ; # filter entry for $w_list
field c_expr {}; # current revision expression
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
field tip_data ; # array of tip commit info by refname
field log_last ; # array of reflog date by refname
field tooltip_wm {} ; # Current tooltip toplevel, if open
field tooltip_t {} ; # Text widget in $tooltip_wm
field tooltip_timer {} ; # Current timer event for our tooltip
proc new {path {title {}}} {
return [_new $path 0 $title]
}
proc new_unmerged {path {title {}}} {
return [_new $path 1 $title]
}
constructor _new {path unmerged_only title} {
global current_branch is_detached use_ttk NS
if {![info exists ::all_remotes]} {
load_all_remotes
}
set w $path
if {$title ne {}} {
${NS}::labelframe $w -text $title
} else {
${NS}::frame $w
}
bind $w <Destroy> [cb _delete %W]
if {$is_detached} {
${NS}::radiobutton $w.detachedhead_r \
-text [mc "This Detached Checkout"] \
-value HEAD \
-variable @revtype
if {!$use_ttk} {$w.detachedhead_r configure -anchor w}
grid $w.detachedhead_r -sticky we -padx {0 5} -columnspan 2
}
${NS}::radiobutton $w.expr_r \
-text [mc "Revision Expression:"] \
-value expr \
-variable @revtype
${NS}::entry $w.expr_t \
-width 50 \
-textvariable @c_expr \
-validate key \
-validatecommand [cb _validate %d %S]
grid $w.expr_r $w.expr_t -sticky we -padx {0 5}
${NS}::frame $w.types
${NS}::radiobutton $w.types.head_r \
-text [mc "Local Branch"] \
-value head \
-variable @revtype
pack $w.types.head_r -side left
${NS}::radiobutton $w.types.trck_r \
-text [mc "Tracking Branch"] \
-value trck \
-variable @revtype
pack $w.types.trck_r -side left
${NS}::radiobutton $w.types.tag_r \
-text [mc "Tag"] \
-value tag \
-variable @revtype
pack $w.types.tag_r -side left
set w_filter $w.types.filter
${NS}::entry $w_filter \
-width 12 \
-textvariable @filter \
-validate key \
-validatecommand [cb _filter %P]
pack $w_filter -side right
pack [${NS}::label $w.types.filter_icon \
-image ::choose_rev::img_find \
] -side right
grid $w.types -sticky we -padx {0 5} -columnspan 2
if {$use_ttk} {
ttk::frame $w.list -style SListbox.TFrame -padding 2
} else {
frame $w.list
}
set w_list $w.list.l
listbox $w_list \
-font font_diff \
-width 50 \
-height 10 \
-selectmode browse \
-exportselection false \
-xscrollcommand [cb _sb_set $w.list.sbx h] \
-yscrollcommand [cb _sb_set $w.list.sby v]
if {$use_ttk} {
$w_list configure -relief flat -highlightthickness 0 -borderwidth 0
}
pack $w_list -fill both -expand 1
grid $w.list -sticky nswe -padx {20 5} -columnspan 2
bind $w_list <Any-Motion> [cb _show_tooltip @%x,%y]
bind $w_list <Any-Enter> [cb _hide_tooltip]
bind $w_list <Any-Leave> [cb _hide_tooltip]
bind $w_list <Destroy> [cb _hide_tooltip]
grid columnconfigure $w 1 -weight 1
if {$is_detached} {
grid rowconfigure $w 3 -weight 1
} else {
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 $w_list]
set fmt list
append fmt { %(refname)}
append fmt { [list}
append fmt { %(objecttype)}
append fmt { %(objectname)}
append fmt { [concat %(taggername) %(authorname)]}
append fmt { [reformat_date [concat %(taggerdate) %(authordate)]]}
append fmt { %(subject)}
append fmt {] [list}
append fmt { %(*objecttype)}
append fmt { %(*objectname)}
append fmt { %(*authorname)}
append fmt { [reformat_date %(*authordate)]}
append fmt { %(*subject)}
append fmt {]}
set all_refn [list]
set fr_fd [git_read for-each-ref \
--tcl \
--sort=-taggerdate \
--format=$fmt \
refs/heads \
refs/remotes \
refs/tags \
]
fconfigure $fr_fd -translation lf -encoding utf-8
while {[gets $fr_fd line] > 0} {
set line [eval $line]
if {[lindex $line 1 0] eq {tag}} {
if {[lindex $line 2 0] eq {commit}} {
set sha1 [lindex $line 2 1]
} else {
continue
}
} elseif {[lindex $line 1 0] eq {commit}} {
set sha1 [lindex $line 1 1]
} else {
continue
}
set refn [lindex $line 0]
set tip_data($refn) [lrange $line 1 end]
lappend cmt_refn($sha1) $refn
lappend all_refn $refn
}
close $fr_fd
if {$unmerged_only} {
set fr_fd [git_read rev-list --all ^$::HEAD]
while {[gets $fr_fd sha1] > 0} {
if {[catch {set rlst $cmt_refn($sha1)}]} continue
foreach refn $rlst {
set inc($refn) 1
}
}
close $fr_fd
} else {
foreach refn $all_refn {
set inc($refn) 1
}
}
set spec_head [list]
foreach name [load_all_heads] {
set refn refs/heads/$name
if {[info exists inc($refn)]} {
lappend spec_head [list $name $refn]
}
}
set spec_trck [list]
foreach spec [all_tracking_branches] {
set refn [lindex $spec 0]
if {[info exists inc($refn)]} {
regsub ^refs/(heads|remotes)/ $refn {} name
lappend spec_trck [concat $name $spec]
}
}
set spec_tag [list]
foreach name [load_all_tags] {
set refn refs/tags/$name
if {[info exists inc($refn)]} {
lappend spec_tag [list $name $refn]
}
}
if {$is_detached} { set revtype HEAD
} elseif {[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 clear 0 end
$w_list selection set $i
break
}
incr i
}
}
return $this
}
method none {text} {
global NS use_ttk
if {![winfo exists $w.none_r]} {
${NS}::radiobutton $w.none_r \
-value none \
-variable @revtype
if {!$use_ttk} {$w.none_r configure -anchor w}
grid $w.none_r -sticky we -padx {0 5} -columnspan 2
}
$w.none_r configure -text $text
}
method get {} {
switch -- $revtype {
head -
trck -
tag {
set i [$w_list curselection]
if {$i ne {}} {
return [lindex $cur_specs $i 0]
} else {
return {}
}
}
HEAD { return HEAD }
expr { return $c_expr }
none { return {} }
default { error "unknown type of revision" }
}
}
method pick_tracking_branch {} {
set revtype trck
}
method focus_filter {} {
if {[$w_filter cget -state] eq {normal}} {
focus $w_filter
}
}
method bind_listbox {event script} {
bind $w_list $event $script
}
method get_local_branch {} {
if {$revtype eq {head}} {
return [_expr $this]
} else {
return {}
}
}
method get_tracking_branch {} {
set i [$w_list curselection]
if {$i eq {} || $revtype ne {trck}} {
return {}
}
return [lrange [lindex $cur_specs $i] 1 end]
}
method get_commit {} {
set e [_expr $this]
if {$e eq {}} {
return {}
}
return [git rev-parse --verify "$e^0"]
}
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 [strcat [mc "Invalid revision: %s" [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 $i 1]
} else {
error [mc "No revision selected."]
}
}
expr {
if {$c_expr ne {}} {
return $c_expr
} else {
error [mc "Revision expression is empty."]
}
}
HEAD { return HEAD }
none { return {} }
default { error "unknown type of revision" }
}
}
method _validate {d S} {
if {$d == 1} {
if {[regexp {\s} $S]} {
return 0
}
if {[string length $S] > 0} {
set revtype expr
}
}
return 1
}
method _filter {P} {
if {[regexp {\s} $P]} {
return 0
}
_rebuild $this $P
return 1
}
method _select {args} {
_rebuild $this $filter
focus_filter $this
}
method _rebuild {pat} {
set ste normal
switch -- $revtype {
head { set new $spec_head }
trck { set new $spec_trck }
tag { set new $spec_tag }
expr -
HEAD -
none {
set new [list]
set ste disabled
}
}
if {[$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 $txt
}
}
if {$cur_specs ne {}} {
$w_list selection clear 0 end
$w_list selection set 0
}
if {[$w_filter cget -state] ne $ste} {
$w_list configure -state $ste
$w_filter configure -state $ste
}
}
method _delete {current} {
if {$current eq $w} {
delete_this
}
}
method _sb_set {sb orient first last} {
global NS
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}} {
${NS}::scrollbar $sb -orient h -command [list $w_list xview]
pack $sb -fill x -side bottom -before $w_list
} else {
${NS}::scrollbar $sb -orient v -command [list $w_list yview]
pack $sb -fill y -side right -before $w_list
}
if {$old_focus ne {}} {
update
focus $old_focus
}
}
catch {$sb set $first $last}
}
method _show_tooltip {pos} {
if {$tooltip_wm ne {}} {
_open_tooltip $this
} elseif {$tooltip_timer eq {}} {
set tooltip_timer [after 1000 [cb _open_tooltip]]
}
}
method _open_tooltip {} {
global remote_url
set tooltip_timer {}
set pos_x [winfo pointerx $w_list]
set pos_y [winfo pointery $w_list]
if {[winfo containing $pos_x $pos_y] ne $w_list} {
_hide_tooltip $this
return
}
set pos @[join [list \
[expr {$pos_x - [winfo rootx $w_list]}] \
[expr {$pos_y - [winfo rooty $w_list]}]] ,]
set lno [$w_list index $pos]
if {$lno eq {}} {
_hide_tooltip $this
return
}
set spec [lindex $cur_specs $lno]
set refn [lindex $spec 1]
if {$refn eq {}} {
_hide_tooltip $this
return
}
if {$tooltip_wm eq {}} {
set tooltip_wm [toplevel $w_list.tooltip -borderwidth 1]
catch {wm attributes $tooltip_wm -type tooltip}
wm overrideredirect $tooltip_wm 1
wm transient $tooltip_wm [winfo toplevel $w_list]
set tooltip_t $tooltip_wm.label
text $tooltip_t \
-takefocus 0 \
-highlightthickness 0 \
-relief flat \
-borderwidth 0 \
-wrap none \
-background lightyellow \
-foreground black
$tooltip_t tag conf section_header -font font_uibold
bind $tooltip_wm <Escape> [cb _hide_tooltip]
pack $tooltip_t
} else {
$tooltip_t conf -state normal
$tooltip_t delete 0.0 end
}
set data $tip_data($refn)
if {[lindex $data 0 0] eq {tag}} {
set tag [lindex $data 0]
if {[lindex $data 1 0] eq {commit}} {
set cmit [lindex $data 1]
} else {
set cmit {}
}
} elseif {[lindex $data 0 0] eq {commit}} {
set tag {}
set cmit [lindex $data 0]
}
$tooltip_t insert end [lindex $spec 0]
set last [_reflog_last $this [lindex $spec 1]]
if {$last ne {}} {
$tooltip_t insert end "\n"
$tooltip_t insert end [mc "Updated"]
$tooltip_t insert end " $last"
}
$tooltip_t insert end "\n"
if {$tag ne {}} {
$tooltip_t insert end "\n"
$tooltip_t insert end [mc "Tag"] section_header
$tooltip_t insert end " [lindex $tag 1]\n"
$tooltip_t insert end [lindex $tag 2]
$tooltip_t insert end " ([lindex $tag 3])\n"
$tooltip_t insert end [lindex $tag 4]
$tooltip_t insert end "\n"
}
if {$cmit ne {}} {
$tooltip_t insert end "\n"
$tooltip_t insert end [mc "Commit@@noun"] section_header
$tooltip_t insert end " [lindex $cmit 1]\n"
$tooltip_t insert end [lindex $cmit 2]
$tooltip_t insert end " ([lindex $cmit 3])\n"
$tooltip_t insert end [lindex $cmit 4]
}
if {[llength $spec] > 2} {
$tooltip_t insert end "\n"
$tooltip_t insert end [mc "Remote"] section_header
$tooltip_t insert end " [lindex $spec 2]\n"
$tooltip_t insert end [mc "URL"]
$tooltip_t insert end " $remote_url([lindex $spec 2])\n"
$tooltip_t insert end [mc "Branch"]
$tooltip_t insert end " [lindex $spec 3]"
}
$tooltip_t conf -state disabled
_position_tooltip $this
}
method _reflog_last {name} {
if {[info exists reflog_last($name)]} {
return reflog_last($name)
}
set last {}
if {[catch {set last [file mtime [gitdir $name]]}]
&& ![catch {set g [open [gitdir logs $name] r]}]} {
fconfigure $g -translation binary
while {[gets $g line] >= 0} {
if {[regexp {> ([1-9][0-9]*) } $line line when]} {
set last $when
}
}
close $g
}
if {$last ne {}} {
set last [format_date $last]
}
set reflog_last($name) $last
return $last
}
method _position_tooltip {} {
set max_h [lindex [split [$tooltip_t index end] .] 0]
set max_w 0
for {set i 1} {$i <= $max_h} {incr i} {
set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
if {$c > $max_w} {set max_w $c}
}
$tooltip_t conf -width $max_w -height $max_h
set req_w [winfo reqwidth $tooltip_t]
set req_h [winfo reqheight $tooltip_t]
set pos_x [expr {[winfo pointerx .] + 5}]
set pos_y [expr {[winfo pointery .] + 10}]
set g "${req_w}x${req_h}"
if {[tk windowingsystem] eq "win32" || $pos_x >= 0} {append g +}
append g $pos_x
if {[tk windowingsystem] eq "win32" || $pos_y >= 0} {append g +}
append g $pos_y
wm geometry $tooltip_wm $g
raise $tooltip_wm
}
method _hide_tooltip {} {
if {$tooltip_wm ne {}} {
destroy $tooltip_wm
set tooltip_wm {}
}
if {$tooltip_timer ne {}} {
after cancel $tooltip_timer
set tooltip_timer {}
}
}
}
