82 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Tcl
		
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Tcl
		
	
	
| # goto line number
 | |
| # based on code from gitk, Copyright (C) Paul Mackerras
 | |
| 
 | |
| class linebar {
 | |
| 
 | |
| field w
 | |
| field ctext
 | |
| 
 | |
| field linenum   {}
 | |
| 
 | |
| constructor new {i_w i_text args} {
 | |
| 	global use_ttk NS
 | |
| 	set w      $i_w
 | |
| 	set ctext  $i_text
 | |
| 
 | |
| 	${NS}::frame  $w
 | |
| 	${NS}::label  $w.l       -text [mc "Goto Line:"]
 | |
| 	tentry  $w.ent \
 | |
| 		-textvariable ${__this}::linenum \
 | |
| 		-background lightgreen \
 | |
| 		-validate key \
 | |
| 		-validatecommand [cb _validate %P]
 | |
| 	${NS}::button $w.bn      -text [mc Go] -command [cb _goto]
 | |
| 
 | |
| 	pack   $w.l   -side left
 | |
| 	pack   $w.bn  -side right
 | |
| 	pack   $w.ent -side left -expand 1 -fill x
 | |
| 
 | |
| 	eval grid conf $w -sticky we $args
 | |
| 	grid remove $w
 | |
| 
 | |
| 	trace add variable linenum write [cb _goto_cb]
 | |
| 	bind $w.ent <Return> [cb _goto]
 | |
| 	bind $w.ent <Escape> [cb hide]
 | |
| 
 | |
| 	bind $w <Destroy> [list delete_this $this]
 | |
| 	return $this
 | |
| }
 | |
| 
 | |
| method show {} {
 | |
| 	if {![visible $this]} {
 | |
| 		grid $w
 | |
| 	}
 | |
| 	focus -force $w.ent
 | |
| }
 | |
| 
 | |
| method hide {} {
 | |
| 	if {[visible $this]} {
 | |
| 		$w.ent delete 0 end
 | |
| 		focus $ctext
 | |
| 		grid remove $w
 | |
| 	}
 | |
| }
 | |
| 
 | |
| method visible {} {
 | |
| 	return [winfo ismapped $w]
 | |
| }
 | |
| 
 | |
| method editor {} {
 | |
| 	return $w.ent
 | |
| }
 | |
| 
 | |
| method _validate {P} {
 | |
| 	# only accept numbers as input
 | |
| 	string is integer $P
 | |
| }
 | |
| 
 | |
| method _goto_cb {name ix op} {
 | |
| 	after idle [cb _goto 1]
 | |
| }
 | |
| 
 | |
| method _goto {{nohide {0}}} {
 | |
| 	if {$linenum ne {}} {
 | |
| 		$ctext see $linenum.0
 | |
| 		if {!$nohide} {
 | |
| 			hide $this
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| }
 |