80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
|
package ncurses
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"sync/atomic"
|
||
|
|
|
||
|
|
"github.com/ebitengine/purego"
|
||
|
|
)
|
||
|
|
|
||
|
|
var ncurses atomic.Value
|
||
|
|
|
||
|
|
func Init() error {
|
||
|
|
if ncurses.Load() == nil {
|
||
|
|
lib, err := purego.Dlopen(LIBRARY_PATH, purego.RTLD_GLOBAL | purego.RTLD_LAZY)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
ncurses.CompareAndSwap(nil, lib)
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
type loaded_function[T any] struct {
|
||
|
|
name string
|
||
|
|
value atomic.Value
|
||
|
|
library *atomic.Value
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewLoadedFunction[T any](library *atomic.Value, name string) loaded_function[T] {
|
||
|
|
return loaded_function[T]{
|
||
|
|
name: name,
|
||
|
|
value: atomic.Value{},
|
||
|
|
library: library,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func(f *loaded_function[T]) Load() T {
|
||
|
|
if f.library.Load() == nil {
|
||
|
|
panic(fmt.Sprintf("Attempted to call library function %s before loading library", f.name))
|
||
|
|
} else if f.value.Load() == nil {
|
||
|
|
var tmp T
|
||
|
|
purego.RegisterLibFunc(&tmp, f.library.Load().(uintptr), f.name)
|
||
|
|
f.value.CompareAndSwap(nil, tmp)
|
||
|
|
}
|
||
|
|
return f.value.Load().(T)
|
||
|
|
}
|
||
|
|
|
||
|
|
type Window uintptr
|
||
|
|
|
||
|
|
type voidFP func() int
|
||
|
|
type winFP func(window Window) int
|
||
|
|
|
||
|
|
type initscrFP func() Window
|
||
|
|
var InitScr = NewLoadedFunction[initscrFP](&ncurses, "initscr")
|
||
|
|
var EndWin = NewLoadedFunction[voidFP](&ncurses, "endwin")
|
||
|
|
|
||
|
|
type newwinFP func(nlines, ncols, begin_x, begin_y int) Window
|
||
|
|
var NewWin = NewLoadedFunction[newwinFP](&ncurses, "newwin")
|
||
|
|
var DelWin = NewLoadedFunction[winFP](&ncurses, "delwin")
|
||
|
|
type dupwinFP func(window Window) Window
|
||
|
|
var DupWin = NewLoadedFunction[dupwinFP](&ncurses, "dupwin")
|
||
|
|
|
||
|
|
var Refresh = NewLoadedFunction[voidFP](&ncurses, "refresh")
|
||
|
|
var WRefresh = NewLoadedFunction[winFP](&ncurses, "wrefresh")
|
||
|
|
var WNOutRefresh = NewLoadedFunction[winFP](&ncurses, "wnoutrefresh")
|
||
|
|
var DoUpdate = NewLoadedFunction[voidFP](&ncurses, "doupdate")
|
||
|
|
|
||
|
|
type waddstrFP func(window Window, str string) int
|
||
|
|
var WAddStr = NewLoadedFunction[waddstrFP](&ncurses, "waddstr")
|
||
|
|
|
||
|
|
type waddnstrFP func(window Window, str string, n int) int
|
||
|
|
var WAddNStr = NewLoadedFunction[waddstrFP](&ncurses, "waddnstr")
|
||
|
|
|
||
|
|
var GetMaxY = NewLoadedFunction[winFP](&ncurses, "getmaxy")
|
||
|
|
var GetMaxX = NewLoadedFunction[winFP](&ncurses, "getmaxx")
|
||
|
|
|
||
|
|
type mvwaddstrFP func(window Window, x, y int, str string) int
|
||
|
|
var MvWAddStr = NewLoadedFunction[mvwaddstrFP](&ncurses, "mvwaddstr")
|