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uidriver/mobile: Refactoring: Rename variables

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This commit is contained in:
Hajime Hoshi 2019-12-13 02:50:57 +09:00
parent 7f88732cc5
commit ba0e8ef13f
1 changed files with 21 additions and 22 deletions
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43
internal/uidriver/mobile/ui.go
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@ -100,9 +100,9 @@ type UserInterface struct {
sizeChanged bool
// Used for gomobile-build
fullscreenScale float64
fullscreenWidthPx int
fullscreenHeightPx int
gbuildScale float64
gbuildWidthPx int
gbuildHeightPx int
graphics driver.Graphics
@ -139,7 +139,7 @@ func (u *UserInterface) appMain(a app.App) {
glctx = nil
}
case size.Event:
u.setFullscreenImpl(e.WidthPx, e.HeightPx)
u.setGBuildImpl(e.WidthPx, e.HeightPx)
case paint.Event:
if glctx == nil || e.External {
continue
@ -264,8 +264,8 @@ func (u *UserInterface) ActualScale() float64 {
func (u *UserInterface) scaleImpl() float64 {
scale := u.scale
if u.fullscreenScale != 0 {
scale = u.fullscreenScale
if u.gbuildScale != 0 {
scale = u.gbuildScale
}
return scale
}
@ -303,7 +303,7 @@ func (u *UserInterface) ScreenSize() (int, int) {
}
func (u *UserInterface) ScreenSizeInFullscreen() (int, int) {
// TODO: This function should return fullscreenWidthPx, fullscreenHeightPx,
// TODO: This function should return gbuildWidthPx, gbuildHeightPx,
// but these values are not initialized until the main loop starts.
return 0, 0
}
@ -313,7 +313,7 @@ func (u *UserInterface) SetScreenSize(width, height int) {
if u.width != width || u.height != height {
u.width = width
u.height = height
u.updateFullscreenScaleIfNeeded()
u.updateGBuildScaleIfNeeded()
u.sizeChanged = true
}
u.m.Unlock()
@ -335,28 +335,27 @@ func (u *UserInterface) ScreenScale() float64 {
return s
}
func (u *UserInterface) setFullscreenImpl(widthPx, heightPx int) {
// This implementation is only for gomobile-build so far.
func (u *UserInterface) setGBuildImpl(widthPx, heightPx int) {
u.m.Lock()
u.fullscreenWidthPx = widthPx
u.fullscreenHeightPx = heightPx
u.updateFullscreenScaleIfNeeded()
u.gbuildWidthPx = widthPx
u.gbuildHeightPx = heightPx
u.updateGBuildScaleIfNeeded()
u.sizeChanged = true
u.m.Unlock()
}
func (u *UserInterface) updateFullscreenScaleIfNeeded() {
if u.fullscreenWidthPx == 0 || u.fullscreenHeightPx == 0 {
func (u *UserInterface) updateGBuildScaleIfNeeded() {
if u.gbuildWidthPx == 0 || u.gbuildHeightPx == 0 {
return
}
w, h := u.width, u.height
scaleX := float64(u.fullscreenWidthPx) / float64(w)
scaleY := float64(u.fullscreenHeightPx) / float64(h)
scaleX := float64(u.gbuildWidthPx) / float64(w)
scaleY := float64(u.gbuildHeightPx) / float64(h)
scale := scaleX
if scale > scaleY {
scale = scaleY
}
u.fullscreenScale = scale / deviceScale()
u.gbuildScale = scale / deviceScale()
u.sizeChanged = true
}
@ -368,12 +367,12 @@ func (u *UserInterface) ScreenPadding() (x0, y0, x1, y1 float64) {
}
func (u *UserInterface) screenPaddingImpl() (x0, y0, x1, y1 float64) {
if u.fullscreenScale == 0 {
if u.gbuildScale == 0 {
return 0, 0, 0, 0
}
s := u.fullscreenScale * deviceScale()
ox := (float64(u.fullscreenWidthPx) - float64(u.width)*s) / 2
oy := (float64(u.fullscreenHeightPx) - float64(u.height)*s) / 2
s := u.gbuildScale * deviceScale()
ox := (float64(u.gbuildWidthPx) - float64(u.width)*s) / 2
oy := (float64(u.gbuildHeightPx) - float64(u.height)*s) / 2
return ox, oy, ox, oy
}