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-rw-r--r--git-gui/lib/choose_rev.tcl634
1 files changed, 634 insertions, 0 deletions
diff --git a/git-gui/lib/choose_rev.tcl b/git-gui/lib/choose_rev.tcl
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+++ b/git-gui/lib/choose_rev.tcl
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+# git-gui revision chooser
+# Copyright (C) 2006, 2007 Shawn Pearce
+
+class choose_rev {
+
+image create photo ::choose_rev::img_find -data {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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 {}
+ }
+}
+
+}