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-rw-r--r--native/src/widget/operation/focusable.rs203
-rw-r--r--native/src/widget/operation/scrollable.rs54
-rw-r--r--native/src/widget/operation/text_input.rs131
3 files changed, 0 insertions, 388 deletions
diff --git a/native/src/widget/operation/focusable.rs b/native/src/widget/operation/focusable.rs
deleted file mode 100644
index 312e4894..00000000
--- a/native/src/widget/operation/focusable.rs
+++ /dev/null
@@ -1,203 +0,0 @@
-//! Operate on widgets that can be focused.
-use crate::widget::operation::{Operation, Outcome};
-use crate::widget::Id;
-
-/// The internal state of a widget that can be focused.
-pub trait Focusable {
- /// Returns whether the widget is focused or not.
- fn is_focused(&self) -> bool;
-
- /// Focuses the widget.
- fn focus(&mut self);
-
- /// Unfocuses the widget.
- fn unfocus(&mut self);
-}
-
-/// A summary of the focusable widgets present on a widget tree.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
-pub struct Count {
- /// The index of the current focused widget, if any.
- pub focused: Option<usize>,
-
- /// The total amount of focusable widgets.
- pub total: usize,
-}
-
-/// Produces an [`Operation`] that focuses the widget with the given [`Id`].
-pub fn focus<T>(target: Id) -> impl Operation<T> {
- struct Focus {
- target: Id,
- }
-
- impl<T> Operation<T> for Focus {
- fn focusable(&mut self, state: &mut dyn Focusable, id: Option<&Id>) {
- match id {
- Some(id) if id == &self.target => {
- state.focus();
- }
- _ => {
- state.unfocus();
- }
- }
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- Focus { target }
-}
-
-/// Produces an [`Operation`] that generates a [`Count`] and chains it with the
-/// provided function to build a new [`Operation`].
-pub fn count<T, O>(f: fn(Count) -> O) -> impl Operation<T>
-where
- O: Operation<T> + 'static,
-{
- struct CountFocusable<O> {
- count: Count,
- next: fn(Count) -> O,
- }
-
- impl<T, O> Operation<T> for CountFocusable<O>
- where
- O: Operation<T> + 'static,
- {
- fn focusable(&mut self, state: &mut dyn Focusable, _id: Option<&Id>) {
- if state.is_focused() {
- self.count.focused = Some(self.count.total);
- }
-
- self.count.total += 1;
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
-
- fn finish(&self) -> Outcome<T> {
- Outcome::Chain(Box::new((self.next)(self.count)))
- }
- }
-
- CountFocusable {
- count: Count::default(),
- next: f,
- }
-}
-
-/// Produces an [`Operation`] that searches for the current focused widget, and
-/// - if found, focuses the previous focusable widget.
-/// - if not found, focuses the last focusable widget.
-pub fn focus_previous<T>() -> impl Operation<T> {
- struct FocusPrevious {
- count: Count,
- current: usize,
- }
-
- impl<T> Operation<T> for FocusPrevious {
- fn focusable(&mut self, state: &mut dyn Focusable, _id: Option<&Id>) {
- if self.count.total == 0 {
- return;
- }
-
- match self.count.focused {
- None if self.current == self.count.total - 1 => state.focus(),
- Some(0) if self.current == 0 => state.unfocus(),
- Some(0) => {}
- Some(focused) if focused == self.current => state.unfocus(),
- Some(focused) if focused - 1 == self.current => state.focus(),
- _ => {}
- }
-
- self.current += 1;
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- count(|count| FocusPrevious { count, current: 0 })
-}
-
-/// Produces an [`Operation`] that searches for the current focused widget, and
-/// - if found, focuses the next focusable widget.
-/// - if not found, focuses the first focusable widget.
-pub fn focus_next<T>() -> impl Operation<T> {
- struct FocusNext {
- count: Count,
- current: usize,
- }
-
- impl<T> Operation<T> for FocusNext {
- fn focusable(&mut self, state: &mut dyn Focusable, _id: Option<&Id>) {
- match self.count.focused {
- None if self.current == 0 => state.focus(),
- Some(focused) if focused == self.current => state.unfocus(),
- Some(focused) if focused + 1 == self.current => state.focus(),
- _ => {}
- }
-
- self.current += 1;
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- count(|count| FocusNext { count, current: 0 })
-}
-
-/// Produces an [`Operation`] that searches for the current focused widget
-/// and stores its ID. This ignores widgets that do not have an ID.
-pub fn find_focused() -> impl Operation<Id> {
- struct FindFocused {
- focused: Option<Id>,
- }
-
- impl Operation<Id> for FindFocused {
- fn focusable(&mut self, state: &mut dyn Focusable, id: Option<&Id>) {
- if state.is_focused() && id.is_some() {
- self.focused = id.cloned();
- }
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<Id>),
- ) {
- operate_on_children(self)
- }
-
- fn finish(&self) -> Outcome<Id> {
- if let Some(id) = &self.focused {
- Outcome::Some(id.clone())
- } else {
- Outcome::None
- }
- }
- }
-
- FindFocused { focused: None }
-}
diff --git a/native/src/widget/operation/scrollable.rs b/native/src/widget/operation/scrollable.rs
deleted file mode 100644
index 3b20631f..00000000
--- a/native/src/widget/operation/scrollable.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-//! Operate on widgets that can be scrolled.
-use crate::widget::{Id, Operation};
-
-/// The internal state of a widget that can be scrolled.
-pub trait Scrollable {
- /// Snaps the scroll of the widget to the given `percentage` along the horizontal & vertical axis.
- fn snap_to(&mut self, offset: RelativeOffset);
-}
-
-/// Produces an [`Operation`] that snaps the widget with the given [`Id`] to
-/// the provided `percentage`.
-pub fn snap_to<T>(target: Id, offset: RelativeOffset) -> impl Operation<T> {
- struct SnapTo {
- target: Id,
- offset: RelativeOffset,
- }
-
- impl<T> Operation<T> for SnapTo {
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
-
- fn scrollable(&mut self, state: &mut dyn Scrollable, id: Option<&Id>) {
- if Some(&self.target) == id {
- state.snap_to(self.offset);
- }
- }
- }
-
- SnapTo { target, offset }
-}
-
-/// The amount of offset in each direction of a [`Scrollable`].
-///
-/// A value of `0.0` means start, while `1.0` means end.
-#[derive(Debug, Clone, Copy, PartialEq, Default)]
-pub struct RelativeOffset {
- /// The amount of horizontal offset
- pub x: f32,
- /// The amount of vertical offset
- pub y: f32,
-}
-
-impl RelativeOffset {
- /// A relative offset that points to the top-left of a [`Scrollable`].
- pub const START: Self = Self { x: 0.0, y: 0.0 };
-
- /// A relative offset that points to the bottom-right of a [`Scrollable`].
- pub const END: Self = Self { x: 1.0, y: 1.0 };
-}
diff --git a/native/src/widget/operation/text_input.rs b/native/src/widget/operation/text_input.rs
deleted file mode 100644
index 4c773e99..00000000
--- a/native/src/widget/operation/text_input.rs
+++ /dev/null
@@ -1,131 +0,0 @@
-//! Operate on widgets that have text input.
-use crate::widget::operation::Operation;
-use crate::widget::Id;
-
-/// The internal state of a widget that has text input.
-pub trait TextInput {
- /// Moves the cursor of the text input to the front of the input text.
- fn move_cursor_to_front(&mut self);
- /// Moves the cursor of the text input to the end of the input text.
- fn move_cursor_to_end(&mut self);
- /// Moves the cursor of the text input to an arbitrary location.
- fn move_cursor_to(&mut self, position: usize);
- /// Selects all the content of the text input.
- fn select_all(&mut self);
-}
-
-/// Produces an [`Operation`] that moves the cursor of the widget with the given [`Id`] to the
-/// front.
-pub fn move_cursor_to_front<T>(target: Id) -> impl Operation<T> {
- struct MoveCursor {
- target: Id,
- }
-
- impl<T> Operation<T> for MoveCursor {
- fn text_input(&mut self, state: &mut dyn TextInput, id: Option<&Id>) {
- match id {
- Some(id) if id == &self.target => {
- state.move_cursor_to_front();
- }
- _ => {}
- }
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- MoveCursor { target }
-}
-
-/// Produces an [`Operation`] that moves the cursor of the widget with the given [`Id`] to the
-/// end.
-pub fn move_cursor_to_end<T>(target: Id) -> impl Operation<T> {
- struct MoveCursor {
- target: Id,
- }
-
- impl<T> Operation<T> for MoveCursor {
- fn text_input(&mut self, state: &mut dyn TextInput, id: Option<&Id>) {
- match id {
- Some(id) if id == &self.target => {
- state.move_cursor_to_end();
- }
- _ => {}
- }
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- MoveCursor { target }
-}
-
-/// Produces an [`Operation`] that moves the cursor of the widget with the given [`Id`] to the
-/// provided position.
-pub fn move_cursor_to<T>(target: Id, position: usize) -> impl Operation<T> {
- struct MoveCursor {
- target: Id,
- position: usize,
- }
-
- impl<T> Operation<T> for MoveCursor {
- fn text_input(&mut self, state: &mut dyn TextInput, id: Option<&Id>) {
- match id {
- Some(id) if id == &self.target => {
- state.move_cursor_to(self.position);
- }
- _ => {}
- }
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- MoveCursor { target, position }
-}
-
-/// Produces an [`Operation`] that selects all the content of the widget with the given [`Id`].
-pub fn select_all<T>(target: Id) -> impl Operation<T> {
- struct MoveCursor {
- target: Id,
- }
-
- impl<T> Operation<T> for MoveCursor {
- fn text_input(&mut self, state: &mut dyn TextInput, id: Option<&Id>) {
- match id {
- Some(id) if id == &self.target => {
- state.select_all();
- }
- _ => {}
- }
- }
-
- fn container(
- &mut self,
- _id: Option<&Id>,
- operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
- ) {
- operate_on_children(self)
- }
- }
-
- MoveCursor { target }
-}
generated by cgit (git 2.34.1) at 2025-04-17 05:53:07 +0000