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Relax constraints on who can change focus #1651

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Mar 16, 2021
Merged

Relax constraints on who can change focus #1651

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19 changes: 13 additions & 6 deletions druid/src/contexts.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -576,10 +576,13 @@ impl EventCtx<'_, '_> {
/// [`is_focused`]: struct.EventCtx.html#method.is_focused
pub fn focus_next(&mut self) {
trace!("focus_next");
if self.is_focused() {
if self.has_focus() {
self.widget_state.request_focus = Some(FocusChange::Next);
} else {
warn!("focus_next can only be called by the currently focused widget");
warn!(
"focus_next can only be called by the currently \
focused widget or one of its ancestors."
);
}
}

Expand All @@ -592,10 +595,13 @@ impl EventCtx<'_, '_> {
/// [`is_focused`]: struct.EventCtx.html#method.is_focused
pub fn focus_prev(&mut self) {
trace!("focus_prev");
if self.is_focused() {
if self.has_focus() {
self.widget_state.request_focus = Some(FocusChange::Previous);
} else {
warn!("focus_prev can only be called by the currently focused widget");
warn!(
"focus_prev can only be called by the currently \
focused widget or one of its ancestors."
);
}
}

Expand All @@ -608,11 +614,12 @@ impl EventCtx<'_, '_> {
/// [`is_focused`]: struct.EventCtx.html#method.is_focused
pub fn resign_focus(&mut self) {
trace!("resign_focus");
if self.is_focused() {
if self.has_focus() {
self.widget_state.request_focus = Some(FocusChange::Resign);
} else {
warn!(
"resign_focus can only be called by the currently focused widget ({:?})",
"resign_focus can only be called by the currently focused widget \
or one of its ancestors. ({:?})",
self.widget_id()
);
}
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