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internal/uidriver/glfw: Refactoring: use glfw.Window when possible

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Updates #1122
This commit is contained in:
Hajime Hoshi 2021-04-03 17:29:35 +09:00
parent 4263b8e352
commit 475453d5d2
1 changed files with 5 additions and 42 deletions
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41
internal/uidriver/glfw/ui_windows.go
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@ -45,8 +45,6 @@ type monitorInfo struct {
var (
// user32 is defined at hideconsole_windows.go
procGetSystemMetrics = user32.NewProc("GetSystemMetrics")
procGetActiveWindow = user32.NewProc("GetActiveWindow")
procGetForegroundWindow = user32.NewProc("GetForegroundWindow")
procMonitorFromWindow = user32.NewProc("MonitorFromWindow")
procGetMonitorInfoW = user32.NewProc("GetMonitorInfoW")
)
@ -59,22 +57,6 @@ func getSystemMetrics(nIndex int) (int, error) {
return int(r), nil
}
func getActiveWindow() (uintptr, error) {
r, _, e := procGetActiveWindow.Call()
if e != nil && e.(windows.Errno) != 0 {
return 0, fmt.Errorf("ui: GetActiveWindow failed: error code: %d", e)
}
return r, nil
}
func getForegroundWindow() (uintptr, error) {
r, _, e := procGetForegroundWindow.Call()
if e != nil && e.(windows.Errno) != 0 {
return 0, fmt.Errorf("ui: GetForegroundWindow failed: error code: %d", e)
}
return r, nil
}
func monitorFromWindow(hwnd uintptr, dwFlags uint32) (uintptr, error) {
r, _, e := procMonitorFromWindow.Call(hwnd, uintptr(dwFlags))
if e != nil && e.(windows.Errno) != 0 {
@ -134,30 +116,11 @@ func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
return x, y
}
func currentMonitorByOS(_ *glfw.Window) *glfw.Monitor {
// TODO: Should we return nil here?
w, err := getActiveWindow()
if err != nil {
panic(err)
}
if w == 0 {
// The active window doesn't exist when launching, or the application is runnable on unfocused.
// Get the foreground window, that is common among multiple processes.
w, err = getForegroundWindow()
if err != nil {
panic(err)
}
if w == 0 {
// GetForegroundWindow can return null according to the document.
return nil
}
}
func currentMonitorByOS(w *glfw.Window) *glfw.Monitor {
// Get the current monitor by the window handle instead of the window position. It is because the window
// position is not relaiable in some cases e.g. when the window is put across multiple monitors.
m, err := monitorFromWindow(w, monitorDefaultToNearest)
m, err := monitorFromWindow(w.GetWin32Window(), monitorDefaultToNearest)
if err != nil {
// monitorFromWindow can return error on Wine. Ignore this.
return nil