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ui: Bug fix: Wrong assumption that the position was always >= 0

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This commit is contained in:
Hajime Hoshi 2019-02-24 23:31:26 +09:00
parent ba59cdbc5f
commit ea7c2f8da3
1 changed files with 12 additions and 6 deletions
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18
internal/ui/ui_glfw.go
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@ -68,10 +68,16 @@ type userInterface struct {
m sync.Mutex
}
const (
maxInt = int(^uint(0) >> 1)
minInt = -maxInt - 1
invalidPos = minInt
)
var (
currentUI = &userInterface{
origPosX: -1,
origPosY: -1,
origPosX: invalidPos,
origPosY: invalidPos,
initCursorVisible: true,
initWindowDecorated: true,
vsync: true,
@ -869,7 +875,7 @@ func (u *userInterface) forceSetScreenSize(width, height int, scale float64, ful
u.swapBuffers()
if fullscreen {
if u.origPosX < 0 && u.origPosY < 0 {
if u.origPosX == invalidPos || u.origPosY == invalidPos {
u.origPosX, u.origPosY = u.window.GetPos()
}
m := u.currentMonitor()
@ -902,7 +908,7 @@ func (u *userInterface) forceSetScreenSize(width, height int, scale float64, ful
}
}
if u.origPosX >= 0 && u.origPosY >= 0 {
if u.origPosX != invalidPos && u.origPosY != invalidPos {
x := u.origPosX
y := u.origPosY
u.window.SetPos(x, y)
@ -912,8 +918,8 @@ func (u *userInterface) forceSetScreenSize(width, height int, scale float64, ful
u.window.SetPos(x+1, y)
u.window.SetPos(x, y)
}
u.origPosX = -1
u.origPosY = -1
u.origPosX = invalidPos
u.origPosY = invalidPos
}
// Window title might be lost on macOS after coming back from fullscreen.