Added background setting

examples/basic.go

@@ -16,21 +16,47 @@ func main() {
   signal.Notify(os_sigs, syscall.SIGINT, syscall.SIGABRT)
 
   window := ncurses.InitScr()
-  ret := ncurses.IdlOK(window, true)
+  ret := ncurses.StartColor()
   if ret != 0 {
     panic(ret)
   }
+
+  ret = ncurses.InitColor(1, 1000, 0, 0)
+  if ret != 0 {
+    panic(ret)
+  }
+
+  ret = ncurses.InitColor(2, 0, 1000, 0)
+  if ret != 0 {
+    panic(ret)
+  }
+
+  ret = ncurses.InitPair(1, 1, 2)
+  if ret != 0 {
+    panic(ret)
+  }
+
+  ncurses.WBkgd(window, ncurses.COLOR_PAIR(1))
+
+  ret = ncurses.IdlOK(window, true)
+  if ret != 0 {
+    panic(ret)
+  }
+
   ret = ncurses.ScrollOk(window, true)
   if ret != 0 {
     panic(ret)
   }
+
   ncurses.WRefresh(window)
 
   active := true
   for active {
     select {
     case bytes := <-input:
-      ncurses.WAddStr(window, string(bytes))
+      for _, b := range(bytes) {
+        ncurses.WAddCh(window, uint32(b))
+      }
       ncurses.WRefresh(window)
     case <-os_sigs:
       active = false

input.go

@@ -13,18 +13,23 @@ func bitmatch(b byte, pattern byte, length int) bool {
 func UTF8Listen(file *os.File, channel chan []byte, active *atomic.Bool) {
   b := [4]byte{}
   for active.Load() {
+    out := make([]byte, 4)
     file.Read(b[0:1])
     if bitmatch(b[0], 0b00000000, 1) {
-      channel <- b[0:1]
+      copy(out, b[0:1])
+      channel <- out[0:1]
     } else if bitmatch(b[0], 0b11000000, 3) {
       file.Read(b[1:2])
-      channel <- b[0:2]
+      copy(out, b[0:2])
+      channel <- out[0:2]
     } else if bitmatch(b[0], 0b11100000, 4) {
       file.Read(b[1:3])
-      channel <- b[0:3]
+      copy(out, b[0:3])
+      channel <- out[0:3]
     } else if bitmatch(b[0], 0b11110000, 5) {
       file.Read(b[1:4])
-      channel <- b[0:4]
+      copy(out, b[0:4])
+      channel <- out[0:4]
     }
   }
 }

ncurses.go

@@ -51,10 +51,10 @@ var GetMaxX = ncursesFunction[winFP]("getmaxx")
 type mvwaddstrFP func(window Window, y, x int, str string) int
 var MvWAddStr = ncursesFunction[mvwaddstrFP]("mvwaddstr")
 
-type mvwaddchFP func(window Window, y, x int, char rune) int
+type mvwaddchFP func(window Window, y, x int, char uint32) int
 var MvWAddCh = ncursesFunction[mvwaddchFP]("mvwaddch")
 
-type waddchFP func(window Window, char rune) int
+type waddchFP func(window Window, char uint32) int
 var WAddCh = ncursesFunction[waddchFP]("waddch")
 
 type init_colorFP func(color, r, g, b int16) int
@@ -76,3 +76,10 @@ var ScrollOk = ncursesFunction[setflagFP]("scrollok")
 type wscrlFP func(window Window, n int) int
 var WScrl = ncursesFunction[wscrlFP]("wscrl")
 
+type colorpairFP func(pair int) uint32
+var COLOR_PAIR = ncursesFunction[colorpairFP]("COLOR_PAIR")
+
+type wuintFP func(Window, uint32) uint32
+var WAttrOn = ncursesFunction[wuintFP]("wattron")
+var WAttrOff = ncursesFunction[wuintFP]("wattroff")
+var WBkgd = ncursesFunction[wuintFP]("wbkgd")