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internal/ui: refactoring: unify duplicated logics to initialize the window size and position

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This commit is contained in:
Hajime Hoshi 2023-09-24 18:48:56 +09:00
parent b95228a8a6
commit c16bd1e249
1 changed files with 34 additions and 41 deletions
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75
internal/ui/ui_glfw.go
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@ -216,6 +216,12 @@ func (u *userInterfaceImpl) setInitMonitor(m *Monitor) {
u.initFullscreenHeightInDIP = int(u.dipFromGLFWMonitorPixel(float64(v.Height), m))
}
func (u *userInterfaceImpl) getInitMonitor() *Monitor {
u.m.Lock()
defer u.m.Unlock()
return u.initMonitor
}
// AppendMonitors appends the current monitors to the passed in mons slice and returns it.
func (u *userInterfaceImpl) AppendMonitors(monitors []*Monitor) []*Monitor {
return theMonitors.append(monitors)
@ -772,35 +778,45 @@ func init() {
// createWindow creates a GLFW window.
//
// width and height are in GLFW pixels (not device-independent pixels).
//
// createWindow must be called from the main thread.
//
// createWindow does not set the position or size so far.
func (u *userInterfaceImpl) createWindow(width, height int, monitor *Monitor) error {
func (u *userInterfaceImpl) createWindow() error {
if u.window != nil {
panic("ui: u.window must not exist at createWindow")
}
// As a start, create a window with temporary size to create OpenGL context thread.
monitor := u.getInitMonitor()
ww, wh := u.getInitWindowSizeInDIP()
width := int(u.dipToGLFWPixel(float64(ww), monitor))
height := int(u.dipToGLFWPixel(float64(wh), monitor))
window, err := glfw.CreateWindow(width, height, "", nil, nil)
if err != nil {
return err
}
u.window = window
// Set our target monitor if provided. This is required to prevent an initial window flash on the default monitor.
vm := monitor.videoMode
mw := u.dipFromGLFWMonitorPixel(float64(vm.Width), monitor)
mh := u.dipFromGLFWMonitorPixel(float64(vm.Height), monitor)
mw = u.dipToGLFWPixel(mw, monitor)
mh = u.dipToGLFWPixel(mh, monitor)
px, py := InitialWindowPosition(int(mw), int(mh), width, height)
window.SetPos(monitor.x+px, monitor.y+py)
// The position must be set before the size is set (#1982).
// setWindowSize refers the current monitor's device scale.
wx, wy := u.getInitWindowPositionInDIP()
// Force to put the window in the initial monitor (#1575).
if wx < 0 {
wx = 0
}
if wy < 0 {
wy = 0
}
if max := u.initFullscreenWidthInDIP - ww; wx >= max {
wx = max
}
if max := u.initFullscreenHeightInDIP - wh; wy >= max {
wy = max
}
u.setWindowPositionInDIP(wx, wy, monitor)
// Though the size is already specified, call setWindowSizeInDIP explicitly to adjust member variables.
u.setWindowSizeInDIP(ww, wh, true)
initializeWindowAfterCreation(window)
u.window = window
// Even just after a window creation, FramebufferSize callback might be invoked (#1847).
// Ensure to consume this callback.
u.waitForFramebufferSizeCallback(u.window, nil)
@ -990,33 +1006,10 @@ func (u *userInterfaceImpl) initOnMainThread(options *RunOptions) error {
glfw.WindowHint(glfw.Visible, glfw.True)
}
ww, wh := u.getInitWindowSizeInDIP()
initW := int(u.dipToGLFWPixel(float64(ww), u.initMonitor))
initH := int(u.dipToGLFWPixel(float64(wh), u.initMonitor))
if err := u.createWindow(initW, initH, u.initMonitor); err != nil {
if err := u.createWindow(); err != nil {
return err
}
// The position must be set before the size is set (#1982).
// setWindowSize refers the current monitor's device scale.
// TODO: The window position is already set at createWindow. Unify the logic.
wx, wy := u.getInitWindowPositionInDIP()
// Force to put the window in the initial monitor (#1575).
if wx < 0 {
wx = 0
}
if wy < 0 {
wy = 0
}
if max := u.initFullscreenWidthInDIP - ww; wx >= max {
wx = max
}
if max := u.initFullscreenHeightInDIP - wh; wy >= max {
wy = max
}
u.setWindowPositionInDIP(wx, wy, u.initMonitor)
u.setWindowSizeInDIP(ww, wh, true)
// Maximizing a window requires a proper size and position. Call Maximize here (#1117).
if u.isInitWindowMaximized() {
u.window.Maximize()
@ -1509,7 +1502,7 @@ func (u *userInterfaceImpl) updateVsyncOnRenderThread() {
// currentMonitor must be called on the main thread.
func (u *userInterfaceImpl) currentMonitor() *Monitor {
if u.window == nil {
return u.initMonitor
return u.getInitMonitor()
}
if m := monitorFromWindow(u.window); m != nil {
return m