From 7c661c94beec89bc467b75a1d3193fb40aefd9d3 Mon Sep 17 00:00:00 2001
From: Remmirad <remmirad@posteo.net>
Date: Sat, 12 Apr 2025 12:25:39 +0200
Subject: [PATCH 1/2] Introduce `select_range` to `operation::text_input`

---
 core/src/widget/operation/text_input.rs | 37 +++++++++++++++++++++++++
 widget/src/text_input.rs                |  9 ++++++
 2 files changed, 46 insertions(+)

diff --git a/core/src/widget/operation/text_input.rs b/core/src/widget/operation/text_input.rs
index de2ac1a0..6fbafb79 100644
--- a/core/src/widget/operation/text_input.rs
+++ b/core/src/widget/operation/text_input.rs
@@ -21,6 +21,8 @@ pub trait TextInput {
 
     /// Selects all the content of the text input.
     fn select_all(&mut self);
+    /// Selects the given content range of the text input.
+    fn select_range(&mut self, start: usize, end: usize);
 }
 
 /// Produces an [`Operation`] that moves the cursor of the widget with the given [`Id`] to the
@@ -142,3 +144,38 @@ pub fn select_all<T>(target: Id) -> impl Operation<T> {
 
     MoveCursor { target }
 }
+
+/// Produces an [`Operation`] that selects the given content range of the widget with the given [`Id`].
+pub fn select_range<T>(
+    target: Id,
+    start: usize,
+    end: usize,
+) -> impl Operation<T> {
+    struct SelectRange {
+        target: Id,
+        start: usize,
+        end: usize,
+    }
+
+    impl<T> Operation<T> for SelectRange {
+        fn text_input(
+            &mut self,
+            id: Option<&Id>,
+            _bounds: Rectangle,
+            state: &mut dyn TextInput,
+        ) {
+            match id {
+                Some(id) if id == &self.target => {
+                    state.select_range(self.start, self.end);
+                }
+                _ => {}
+            }
+        }
+
+        fn traverse(&mut self, operate: &mut dyn FnMut(&mut dyn Operation<T>)) {
+            operate(self);
+        }
+    }
+
+    SelectRange { target, start, end }
+}
diff --git a/widget/src/text_input.rs b/widget/src/text_input.rs
index 2d6ac701..469f6c63 100644
--- a/widget/src/text_input.rs
+++ b/widget/src/text_input.rs
@@ -1534,6 +1534,11 @@ impl<P: text::Paragraph> State<P> {
     pub fn select_all(&mut self) {
         self.cursor.select_range(0, usize::MAX);
     }
+
+    /// Selects the given range of the content of the [`TextInput`].
+    pub fn select_range(&mut self, start: usize, end: usize) {
+        self.cursor.select_range(start, end);
+    }
 }
 
 impl<P: text::Paragraph> operation::Focusable for State<P> {
@@ -1574,6 +1579,10 @@ impl<P: text::Paragraph> operation::TextInput for State<P> {
     fn select_all(&mut self) {
         State::select_all(self);
     }
+
+    fn select_range(&mut self, start: usize, end: usize) {
+        State::select_range(self, start, end);
+    }
 }
 
 fn offset<P: text::Paragraph>(

From e3e94de473109335ae290d308841de988b3694de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?= <hector@hecrj.dev>
Date: Tue, 25 Nov 2025 10:40:12 +0100
Subject: [PATCH 2/2] Expose `select_range` in `runtime::widget::operation`

---
 runtime/src/widget/operation.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/runtime/src/widget/operation.rs b/runtime/src/widget/operation.rs
index ab03bbe0..8a1af55a 100644
--- a/runtime/src/widget/operation.rs
+++ b/runtime/src/widget/operation.rs
@@ -86,3 +86,12 @@ pub fn move_cursor_to<T>(id: impl Into<Id>, position: usize) -> Task<T> {
 pub fn select_all<T>(id: impl Into<Id>) -> Task<T> {
     task::effect(Action::widget(operation::text_input::select_all(id.into())))
 }
+
+/// Selects the given content range of the widget with the given [`Id`].
+pub fn select_range<T>(id: impl Into<Id>, start: usize, end: usize) -> Task<T> {
+    task::effect(Action::widget(operation::text_input::select_range(
+        id.into(),
+        start,
+        end,
+    )))
+}