Reverted everything back to the old API.

1 files changed, 11 insertions, 0 deletions

diff --git a/area.go b/area.go
index 1ff86ef..0871eef 100644
--- a/area.go
+++ b/area.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"image"
 	"reflect"
+	"sync"
 	"unsafe"
 )
 
@@ -27,6 +28,7 @@ import (
 // to lead to trouble.
 // [FOR FUTURE PLANNING Use TextArea instead, providing a TextAreaHandler.]
 type Area struct {
+	lock       sync.Mutex
 	created    bool
 	sysData    *sysData
 	handler    AreaHandler
@@ -296,6 +298,9 @@ func NewArea(width int, height int, handler AreaHandler) *Area {
 // SetSize will also signal the entirety of the Area to be redrawn as in RepaintAll.
 // It panics if width or height is zero or negative.
 func (a *Area) SetSize(width int, height int) {
+	a.lock.Lock()
+	defer a.lock.Unlock()
+
 	checkAreaSize(width, height, "Area.SetSize()")
 	if a.created {
 		a.sysData.setAreaSize(width, height)
@@ -308,6 +313,9 @@ func (a *Area) SetSize(width int, height int) {
 // RepaintAll signals the entirety of the Area for redraw.
 // If called before the Window containing the Area is created, RepaintAll does nothing.
 func (a *Area) RepaintAll() {
+	a.lock.Lock()
+	defer a.lock.Unlock()
+
 	if !a.created {
 		return
 	}
@@ -315,6 +323,9 @@ func (a *Area) RepaintAll() {
 }
 
 func (a *Area) make(window *sysData) error {
+	a.lock.Lock()
+	defer a.lock.Unlock()
+
 	a.sysData.handler = a.handler
 	err := a.sysData.make(window)
 	if err != nil {