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Add: add the GetDesktopWindow and scale support

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This commit is contained in:
vcaesar 2023-02-27 09:35:35 -08:00
parent e0583e83ec
commit 9afa311121
1 changed files with 13 additions and 2 deletions
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15
robotgo_win.go
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@ -67,20 +67,31 @@ func GetMainId() int {
return int(GetMain())
}
// ScaleF get the system scale val
// ScaleF get the system scale value
// if "displayId == -2" this function will get the desktop scale value
func ScaleF(displayId ...int) (f float64) {
if len(displayId) > 0 && displayId[0] != -1 {
dpi := GetDPI(win.HWND(displayId[0]))
f = float64(dpi) / 96.0
} else {
f = float64(GetMainDPI()) / 96.0
if displayId == -2 {
f = float64(GetDPI(GetDesktopWindow())) / 96.0
} else {
f = float64(GetMainDPI()) / 96.0
}
}
if f == 0.0 {
f = 1.0
}
return f
}
// GetDesktopWindow get the desktop window hwnd id
func GetDesktopWindow() win.HWND {
return win.GetDesktopWindow()
}
// GetMainDPI get the display dpi
func GetMainDPI() int {
return int(GetDPI(GetHWND()))