Merge git://repo.or.cz/git-gui

[git.git] / git-gui / lib / line.tcl

diff --git a/git-gui/lib/line.tcl b/git-gui/lib/line.tcl
new file mode 100644 (file)
index 0000000..c160012
--- /dev/null
+++ b/git-gui/lib/line.tcl
@@ -0,0 +1,81 @@
+# 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:"]
+       entry  $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
+               }
+       }
+}
+
+}