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Use Option to encode empty text case in hit test methods

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Héctor Ramón Jiménez 2021-09-15 14:49:13 +07:00
parent 93fec8d273
commit 643500bbdf
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10 changed files with 59 additions and 52 deletions
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2
native/src/widget/text.rs
View file

@ -196,7 +196,7 @@ pub trait Renderer: crate::Renderer {
bounds: Size,
point: Point,
nearest_only: bool,
) -> Hit;
) -> Option<Hit>;
/// Draws a [`Text`] fragment.
///

53
native/src/widget/text_input.rs
View file

@ -268,41 +268,42 @@ where
match click.kind() {
click::Kind::Single => {
if target > 0.0 {
let position = if target > 0.0 {
let value = if self.is_secure {
self.value.secure()
} else {
self.value.clone()
};
let position = renderer.find_cursor_position(
renderer.find_cursor_position(
text_layout.bounds(),
self.font,
self.size,
&value,
&self.state,
target,
);
self.state.cursor.move_to(position);
)
} else {
self.state.cursor.move_to(0);
}
None
};
self.state.cursor.move_to(position.unwrap_or(0));
self.state.is_dragging = true;
}
click::Kind::Double => {
if self.is_secure {
self.state.cursor.select_all(&self.value);
} else {
let position = renderer.find_cursor_position(
text_layout.bounds(),
self.font,
self.size,
&self.value,
&self.state,
target,
);
let position = renderer
.find_cursor_position(
text_layout.bounds(),
self.font,
self.size,
&self.value,
&self.state,
target,
)
.unwrap_or(0);
self.state.cursor.select_range(
self.value.previous_start_of_word(position),
@ -341,14 +342,16 @@ where
self.value.clone()
};
let position = renderer.find_cursor_position(
text_layout.bounds(),
self.font,
self.size,
&value,
&self.state,
target,
);
let position = renderer
.find_cursor_position(
text_layout.bounds(),
self.font,
self.size,
&value,
&self.state,
target,
)
.unwrap_or(0);
self.state.cursor.select_range(
self.state.cursor.start(&value),
@ -702,7 +705,7 @@ pub trait Renderer: text::Renderer + Sized {
value: &Value,
state: &State,
x: f32,
) -> usize {
) -> Option<usize> {
let size = size.unwrap_or(self.default_size());
let offset = self.offset(text_bounds, font, size, &value, &state);
@ -715,7 +718,7 @@ pub trait Renderer: text::Renderer + Sized {
Point::new(x + offset, text_bounds.height / 2.0),
true,
)
.cursor()
.map(text::Hit::cursor)
}
}