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internal/uidriver/glfw: bug fix: needed to adjuts the units between the framebuffer and the window

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Updates #1960
Closes #1975
This commit is contained in:
Hajime Hoshi 2022-01-26 04:58:03 +09:00
parent f76d1c8d50
commit 5ee493e85a
1 changed files with 6 additions and 1 deletions
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7
internal/uidriver/glfw/ui.go
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@ -827,7 +827,12 @@ event:
// manager), glfw sends a framebuffer size callback which we need to handle (#1960).
// This event is the only way to handle the size change at least on i3 window manager.
u.defaultFramebufferSizeCallback = glfw.ToFramebufferSizeCallback(func(_ *glfw.Window, w, h int) {
u.setWindowSizeInDIP(w, h, u.isFullscreen())
// The framebuffer size is always scaled by the device scale factor (#1975).
// See also the implementation in uiContext.updateOffscreen.
s := u.deviceScaleFactor(u.currentMonitor())
ww := int(float64(w) / s)
wh := int(float64(h) / s)
u.setWindowSizeInDIP(ww, wh, u.isFullscreen())
})
}
window.SetFramebufferSizeCallback(u.defaultFramebufferSizeCallback)