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ui: Refactoring

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This commit is contained in:
Hajime Hoshi 2017-10-20 02:05:05 +09:00
parent b46ed224a7
commit 414170b138
1 changed files with 28 additions and 24 deletions
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52
internal/ui/ui_glfw.go
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@ -36,8 +36,8 @@ type userInterface struct {
width int width int
height int height int
scale float64 scale float64
deviceScale float64 cachedDeviceScale float64
glfwScale float64 cachedGLFWScale float64
fullscreenScale float64 fullscreenScale float64
funcs chan func() funcs chan func()
running bool running bool
@ -301,8 +301,8 @@ func ScreenOffset() (float64, float64) {
m := glfw.GetPrimaryMonitor() m := glfw.GetPrimaryMonitor()
v := m.GetVideoMode() v := m.GetVideoMode()
_ = u.runOnMainThread(func() error { _ = u.runOnMainThread(func() error {
ox = (float64(v.Width)*u.deviceScale/u.glfwScale - float64(u.width)*u.actualScreenScale()) / 2 ox = (float64(v.Width)*u.deviceScale()/u.glfwScale() - float64(u.width)*u.actualScreenScale()) / 2
oy = (float64(v.Height)*u.deviceScale/u.glfwScale - float64(u.height)*u.actualScreenScale()) / 2 oy = (float64(v.Height)*u.deviceScale()/u.glfwScale() - float64(u.height)*u.actualScreenScale()) / 2
return nil return nil
}) })
return ox, oy return ox, oy
@ -383,11 +383,24 @@ func Run(width, height int, scale float64, title string, g GraphicsContext) erro
return u.loop(g) return u.loop(g)
} }
func (u *userInterface) glfwSize() (int, int) { func (u *userInterface) glfwScale() float64 {
if u.glfwScale == 0 { if u.cachedGLFWScale == 0 {
u.glfwScale = glfwScale() u.cachedGLFWScale = glfwScale()
} }
return int(float64(u.width) * u.scale * u.glfwScale), int(float64(u.height) * u.scale * u.glfwScale) return u.cachedGLFWScale
}
func (u *userInterface) deviceScale() float64 {
if u.cachedDeviceScale == 0 {
u.cachedDeviceScale = deviceScale()
}
return u.cachedDeviceScale
}
func (u *userInterface) glfwSize() (int, int) {
w := int(float64(u.width) * u.getScale() * u.glfwScale())
h := int(float64(u.height) * u.getScale() * u.glfwScale())
return w, h
} }
func (u *userInterface) getScale() float64 { func (u *userInterface) getScale() float64 {
@ -395,13 +408,10 @@ func (u *userInterface) getScale() float64 {
return u.scale return u.scale
} }
if u.fullscreenScale == 0 { if u.fullscreenScale == 0 {
if u.glfwScale == 0 {
u.glfwScale = glfwScale()
}
m := glfw.GetPrimaryMonitor() m := glfw.GetPrimaryMonitor()
v := m.GetVideoMode() v := m.GetVideoMode()
sw := float64(v.Width) / u.glfwScale / float64(u.width) sw := float64(v.Width) / u.glfwScale() / float64(u.width)
sh := float64(v.Height) / u.glfwScale / float64(u.height) sh := float64(v.Height) / u.glfwScale() / float64(u.height)
s := sw s := sw
if s > sh { if s > sh {
s = sh s = sh
@ -412,18 +422,12 @@ func (u *userInterface) getScale() float64 {
} }
func (u *userInterface) actualScreenScale() float64 { func (u *userInterface) actualScreenScale() float64 {
if u.deviceScale == 0 { return u.getScale() * u.deviceScale()
u.deviceScale = deviceScale()
}
return u.getScale() * u.deviceScale
} }
func (u *userInterface) pollEvents() { func (u *userInterface) pollEvents() {
glfw.PollEvents() glfw.PollEvents()
if u.glfwScale == 0 { currentInput.update(u.window, u.getScale()*u.glfwScale())
u.glfwScale = glfwScale()
}
currentInput.update(u.window, u.getScale()*u.glfwScale)
} }
func (u *userInterface) update(g GraphicsContext) error { func (u *userInterface) update(g GraphicsContext) error {
@ -508,6 +512,7 @@ func (u *userInterface) setScreenSize(width, height int, scale float64, fullscre
return false return false
} }
// actualScreenScale() depends on u.scale, so set the scale here and keep the original scale.
origScale := u.scale origScale := u.scale
u.scale = scale u.scale = scale
@ -550,8 +555,7 @@ func (u *userInterface) setScreenSize(width, height int, scale float64, fullscre
u.window.SetFramebufferSizeCallback(nil) u.window.SetFramebufferSizeCallback(nil)
close(ch) close(ch)
}) })
w, h := u.glfwSize() u.window.SetSize(u.glfwSize())
u.window.SetSize(w, h)
event: event:
for { for {
glfw.PollEvents() glfw.PollEvents()
@ -561,7 +565,7 @@ func (u *userInterface) setScreenSize(width, height int, scale float64, fullscre
default: default:
} }
} }
// Window title might lost on macOS after coming back from fullscreen. // Window title might be lost on macOS after coming back from fullscreen.
u.window.SetTitle(u.title) u.window.SetTitle(u.title)
} }
// SwapInterval is affected by the current monitor of the window. // SwapInterval is affected by the current monitor of the window.