Focus-chain update #1724
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Focus-chain update #1724
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…o hidden widgets anymore. Signed-off-by: xarvic <[email protected]>
Signed-off-by: xarvic <[email protected]>
Signed-off-by: xarvic <[email protected]>
Signed-off-by: xarvic <[email protected]>
cmyr
reviewed
Apr 18, 2021
| // currently focused is not part of the functional tree anymore | ||
| // (Lifecycle::BuildFocusChain.should_propagate_to_hidden() is false!) and should | ||
| // resign the focus. | ||
| if had_focus && !self.state.has_focus { |
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I'm confused; we haven't done merge_up yet, so how would has_focus have changed?
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The merge_up of our children happened already in line 1058 / 1062. If someone hides a focused widget and then calls children_changed(), we clear has_focus in BuildFocusChain if has_clear is not set after the calls in 1058 and 1062 we know, that the focused widget is not reachable
Co-authored-by: Colin Rofls <[email protected]>
cmyr
approved these changes
Apr 19, 2021
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This is a fix of the part of #1716 @cmyr and i agreed on:
should_propagate_to_hidden()now returnsfalseforLifecycle::BuildFocusChainLifecycle::BuildFocusChainrequests a a resign of focus ifstate.has_focusis set but neither one of its hidden children nor it self has focus.The other point: What should happen if try to focus a WidgetID which is not allowed to recieve focus like
ctx.set_focus(WidgetID::new())or focusing a hidden widget is not addressed here.