/
tg.go
83 lines (69 loc) · 1.75 KB
/
tg.go
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//
// Package tg is a simple Tcl/Tk GUI for Go, inspired by the
// Inferno (plan9) library
//
package tg
/*
* Copyright (C) 2013 G.vd.Schoot
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import (
"github.com/grd/tg/tcl85/tcl"
"github.com/grd/tg/tcl85/tk"
"log"
)
// Initializing Tcl environment
func Init(arg string) (interp *tcl.Interp, err error) {
tcl.FindExecutable(arg)
return getInterp()
}
// Get the Tcl/Tk interpreter
func getInterp() (interp *tcl.Interp, err error) {
interp = tcl.CreateInterp()
err = tcl.Init(interp)
if err != nil {
return
}
err = tk.Init(interp)
if err != nil {
return
}
err = tcl.Eval(interp, "namespace eval gt {}")
return
}
func DoEval(str string) error {
log.Println(str)
interp := GetInterp()
err := tcl.Eval(interp, str)
if err != nil {
return err
}
return nil
}
// The event loop
func Run() {
tk.MainLoop()
}
func Cmd(interp *tcl.Interp, script string) error {
return tcl.Eval(interp, script)
}
// Widgets
func Button(options string) {
// ".b" -text "Hello World" -command hello
}
func Pack(options string) {
// ".b" -padx 25 -pady 10
}