| # 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 {} | 
 | 	} | 
 | } | 
 |  | 
 | } |