Began the migration to the new API. Removed locks from the public control APIs; they won't be needed anymore.

1 files changed, 0 insertions, 11 deletions

diff --git a/grid.go b/grid.go
index b1c2a52..bc58a00 100644
--- a/grid.go
+++ b/grid.go
@@ -4,7 +4,6 @@ package ui
 
 import (
 	"fmt"
-	"sync"
 )
 
 // A Grid arranges Controls in a two-dimensional grid.
@@ -16,7 +15,6 @@ import (
 // A stretchy Control implicitly fills its cell.
 // All cooridnates in a Grid are given in (row,column) form with (0,0) being the top-left cell.
 type Grid struct {
-	lock                     sync.Mutex
 	created                  bool
 	controls                 [][]Control
 	filling                  [][]bool
@@ -69,9 +67,6 @@ func NewGrid(nPerRow int, controls ...Control) *Grid {
 // This function cannot be called after the Window that contains the Grid has been created.
 // It panics if the given coordinate is invalid.
 func (g *Grid) SetFilling(row int, column int) {
-	g.lock.Lock()
-	defer g.lock.Unlock()
-
 	if g.created {
 		panic(fmt.Errorf("Grid.SetFilling() called after window create"))
 	}
@@ -87,9 +82,6 @@ func (g *Grid) SetFilling(row int, column int) {
 // This function cannot be called after the Window that contains the Grid has been created.
 // It panics if the given coordinate is invalid.
 func (g *Grid) SetStretchy(row int, column int) {
-	g.lock.Lock()
-	defer g.lock.Unlock()
-
 	if g.created {
 		panic(fmt.Errorf("Grid.SetFilling() called after window create"))
 	}
@@ -102,9 +94,6 @@ func (g *Grid) SetStretchy(row int, column int) {
 }
 
 func (g *Grid) make(window *sysData) error {
-	g.lock.Lock()
-	defer g.lock.Unlock()
-
 	// commit filling for the stretchy control now (see SetStretchy() above)
 	if g.stretchyrow != -1 && g.stretchycol != -1 {
 		g.filling[g.stretchyrow][g.stretchycol] = true