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ui: Refactoring: Reduce global variables

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This commit is contained in:
Hajime Hoshi 2020-02-09 00:51:47 +09:00
parent 4159c500bd
commit 6b12b02a05
1 changed files with 19 additions and 14 deletions
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33
window.go
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@ -139,7 +139,7 @@ func SetWindowIcon(iconImages []image.Image) {
//
// WindowPosition is concurrent-safe.
func WindowPosition() (x, y int) {
if x, y, ok := initWindowPosition(); ok {
if x, y, ok := getInitWindowPosition(); ok {
return x, y
}
if w := uiDriver().Window(); w != nil {
@ -165,31 +165,36 @@ func SetWindowPosition(x, y int) {
}
var (
windowM sync.Mutex
mainLoopStarted bool
initWindowPositionX = invalidPos
initWindowPositionY = invalidPos
windowM sync.Mutex
initWindowPosition = &struct {
x int
y int
}{
x: invalidPos,
y: invalidPos,
}
)
func initWindowPosition() (x, y int, ok bool) {
func getInitWindowPosition() (x, y int, ok bool) {
windowM.Lock()
defer windowM.Unlock()
if mainLoopStarted {
if initWindowPosition == nil {
return 0, 0, false
}
if initWindowPositionX == invalidPos || initWindowPositionY == invalidPos {
if initWindowPosition.x == invalidPos || initWindowPosition.y == invalidPos {
return 0, 0, false
}
return initWindowPositionX, initWindowPositionY, true
return initWindowPosition.x, initWindowPosition.y, true
}
func setInitWindowPosition(x, y int) bool {
windowM.Lock()
defer windowM.Unlock()
if mainLoopStarted {
if initWindowPosition == nil {
return false
}
initWindowPositionX, initWindowPositionY = x, y
initWindowPosition.x = x
initWindowPosition.y = y
return true
}
@ -198,7 +203,7 @@ func fixWindowPosition(width, height int) {
defer windowM.Unlock()
defer func() {
mainLoopStarted = true
initWindowPosition = nil
}()
w := uiDriver().Window()
@ -206,14 +211,14 @@ func fixWindowPosition(width, height int) {
return
}
if initWindowPositionX == invalidPos || initWindowPositionY == invalidPos {
if initWindowPosition.x == invalidPos || initWindowPosition.y == invalidPos {
mx, my := uiDriver().MonitorPosition()
sw, sh := uiDriver().ScreenSizeInFullscreen()
x := mx + (sw-width)/2
y := my + (sh-height)/3
w.SetPosition(x, y)
} else {
w.SetPosition(initWindowPositionX, initWindowPositionY)
w.SetPosition(initWindowPosition.x, initWindowPosition.y)
}
}