fix: to build pattern

promkit/examples/checkbox.rs

@@ -16,7 +16,7 @@ fn main() -> anyhow::Result<()> {
     ])
     .title("What are your favorite fruits?")
     .checkbox_lines(5)
-    .prompt(io::stdout())?;
+    .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/confirm.rs

@@ -2,7 +2,7 @@ use promkit::preset::confirm::Confirm;
 use std::io;
 
 fn main() -> anyhow::Result<()> {
-    let mut p = Confirm::new("Do you have a pet?").prompt(io::stdout())?;
+    let mut p = Confirm::new("Do you have a pet?").prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/form.rs

@@ -40,7 +40,7 @@ fn main() -> anyhow::Result<()> {
             lines: Default::default(),
         },
     ])
-    .prompt(io::stdout())?;
+    .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/json.rs

@@ -24,7 +24,7 @@ fn main() -> anyhow::Result<()> {
     let mut p = Json::new(stream)
         .title("JSON viewer")
         .json_lines(5)
-        .prompt(io::stdout())?;
+        .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/listbox.rs

@@ -4,7 +4,7 @@ use std::io;
 fn main() -> anyhow::Result<()> {
     let mut p = Listbox::new(0..100)
         .title("What number do you like?")
-        .prompt(io::stdout())?;
+        .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/password.rs

@@ -8,7 +8,7 @@ fn main() -> anyhow::Result<()> {
             |text| 4 < text.len() && text.len() < 10,
             |text| format!("Length must be over 4 and within 10 but got {}", text.len()),
         )
-        .prompt(io::stdout())?;
+        .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/query_selector.rs

@@ -15,7 +15,7 @@ fn main() -> anyhow::Result<()> {
     })
     .title("What number do you like?")
     .listbox_lines(5)
-    .prompt(io::stdout())?;
+    .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/readline.rs

@@ -14,7 +14,7 @@ fn main() -> anyhow::Result<()> {
             |text| text.len() > 10,
             |text| format!("Length must be over 10 but got {}", text.len()),
         )
-        .prompt(io::stdout())?;
+        .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/examples/readline_loop.rs

@@ -2,7 +2,7 @@ use promkit::preset::readline::Readline;
 use std::io;
 
 fn main() -> anyhow::Result<()> {
-    let mut p = Readline::default().prompt(io::stdout())?;
+    let mut p = Readline::default().prompt()?;
 
     loop {
         match p.run() {

promkit/examples/tree.rs

@@ -5,7 +5,7 @@ fn main() -> anyhow::Result<()> {
     let mut p = Tree::new(Node::try_from(&std::env::current_dir()?.join("src"))?)
         .title("Select a directory or file")
         .tree_lines(10)
-        .prompt(io::stdout())?;
+        .prompt()?;
     println!("result: {:?}", p.run()?);
     Ok(())
 }

promkit/src/lib.rs

@@ -221,12 +221,12 @@ pub trait Renderer: Finalizer {
 ///
 /// This struct encapsulates the rendering logic,
 /// event handling, and result production for a prompt.
-pub struct Prompt<T: Renderer, W: io::Write> {
+pub struct Prompt<T: Renderer> {
     pub renderer: T,
-    pub writer: W,
+    pub writer: Box<dyn io::Write>,
 }
 
-impl<T: Renderer, W: io::Write> Drop for Prompt<T, W> {
+impl<T: Renderer> Drop for Prompt<T> {
     fn drop(&mut self) {
         execute!(
             self.writer,
@@ -239,7 +239,7 @@ impl<T: Renderer, W: io::Write> Drop for Prompt<T, W> {
     }
 }
 
-impl<T: Renderer, W: io::Write> Prompt<T, W> {
+impl<T: Renderer> Prompt<T> {
     /// Runs the prompt, handling events and producing a result.
     ///
     /// This method initializes the terminal, and enters a loop

promkit/src/preset/checkbox.rs

@@ -1,4 +1,4 @@
-use std::{cell::RefCell, fmt::Display};
+use std::{cell::RefCell, fmt::Display, io};
 
 use crate::{
     checkbox,
@@ -20,6 +20,8 @@ pub struct Checkbox {
     title_state: text::State,
     /// State for the checkbox list itself.
     checkbox_state: checkbox::State,
+    /// Writer to which promptkit write its contents
+    writer: Box<dyn io::Write>,
 }
 
 impl Checkbox {
@@ -48,6 +50,7 @@ impl Checkbox {
                 lines: Default::default(),
             },
             keymap: ActiveKeySwitcher::new("default", self::keymap::default),
+            writer: Box::new(io::stdout()),
         }
     }
 
@@ -69,6 +72,7 @@ impl Checkbox {
                 lines: Default::default(),
             },
             keymap: ActiveKeySwitcher::new("default", self::keymap::default),
+            writer: Box::new(io::stdout()),
         }
     }
 
@@ -119,20 +123,23 @@ impl Checkbox {
         self
     }
 
+    /// Sets writer.
+    pub fn writer<W: io::Write + 'static>(mut self, writer: W) -> Self {
+        self.writer = Box::new(writer);
+        self
+    }
+
     /// Displays the checkbox prompt and waits for user input.
     /// Returns a `Result` containing the `Prompt` result,
     /// which is a list of selected options.
-    pub fn prompt<W: std::io::Write>(
-        self,
-        writer: W,
-    ) -> anyhow::Result<Prompt<render::Renderer, W>> {
+    pub fn prompt(self) -> anyhow::Result<Prompt<render::Renderer>> {
         Ok(Prompt {
             renderer: render::Renderer {
                 keymap: RefCell::new(self.keymap),
                 title_snapshot: Snapshot::<text::State>::new(self.title_state),
                 checkbox_snapshot: Snapshot::<checkbox::State>::new(self.checkbox_state),
             },
-            writer,
+            writer: self.writer,
         })
     }
 }

promkit/src/preset/form.rs

@@ -1,4 +1,4 @@
-use std::cell::RefCell;
+use std::{cell::RefCell, io};
 
 use crate::{
     core::Cursor,
@@ -17,6 +17,8 @@ pub struct Form {
     text_editor_states: Vec<text_editor::State>,
     /// Overwrite the default styles of text editor states when unselected.
     overwrite_styles: Vec<render::Style>,
+    /// Writer to which promptkit write its contents
+    writer: Box<dyn io::Write>,
 }
 
 impl Form {
@@ -42,13 +44,17 @@ impl Form {
             keymap: ActiveKeySwitcher::new("default", self::keymap::default as keymap::Keymap),
             text_editor_states,
             overwrite_styles,
+            writer: Box::new(io::stdout()),
         }
     }
 
-    pub fn prompt<W: std::io::Write>(
-        self,
-        writer: W,
-    ) -> anyhow::Result<Prompt<render::Renderer, W>> {
+    /// Sets writer.
+    pub fn writer<W: io::Write + 'static>(mut self, writer: W) -> Self {
+        self.writer = Box::new(writer);
+        self
+    }
+
+    pub fn prompt(self) -> anyhow::Result<Prompt<render::Renderer>> {
         let default_styles = self
             .text_editor_states
             .iter()
@@ -65,6 +71,9 @@ impl Form {
             overwrite_styles: self.overwrite_styles,
         };
         renderer.overwrite_styles();
-        Ok(Prompt { renderer, writer })
+        Ok(Prompt {
+            renderer,
+            writer: self.writer,
+        })
     }
 }

promkit/src/preset/json.rs

@@ -1,4 +1,4 @@
-use std::cell::RefCell;
+use std::{cell::RefCell, io};
 
 use crate::{
     crossterm::style::{Attribute, Attributes, Color, ContentStyle},
@@ -17,6 +17,8 @@ pub struct Json {
     keymap: ActiveKeySwitcher<keymap::Keymap>,
     title_state: text::State,
     json_state: json::State,
+    /// Writer to which promptkit write its contents
+    writer: Box<dyn io::Write>,
 }
 
 impl Json {
@@ -47,6 +49,7 @@ impl Json {
                 indent: 2,
             },
             keymap: ActiveKeySwitcher::new("default", self::keymap::default),
+            writer: Box::new(io::stdout()),
         }
     }
 
@@ -91,18 +94,21 @@ impl Json {
         self
     }
 
+    /// Sets writer.
+    pub fn writer<W: io::Write + 'static>(mut self, writer: W) -> Self {
+        self.writer = Box::new(writer);
+        self
+    }
+
     /// Creates a prompt based on the current configuration of the `Json` instance.
-    pub fn prompt<W: std::io::Write>(
-        self,
-        writer: W,
-    ) -> anyhow::Result<Prompt<render::Renderer, W>> {
+    pub fn prompt(self) -> anyhow::Result<Prompt<render::Renderer>> {
         Ok(Prompt {
             renderer: render::Renderer {
                 keymap: RefCell::new(self.keymap),
                 title_snapshot: Snapshot::<text::State>::new(self.title_state),
                 json_snapshot: Snapshot::<json::State>::new(self.json_state),
             },
-            writer,
+            writer: self.writer,
         })
     }
 }

promkit/src/preset/listbox.rs

@@ -1,4 +1,4 @@
-use std::{cell::RefCell, fmt::Display};
+use std::{cell::RefCell, fmt::Display, io};
 
 use crate::{
     crossterm::style::{Attribute, Attributes, Color, ContentStyle},
@@ -19,6 +19,8 @@ pub struct Listbox {
     title_state: text::State,
     /// State for the selectable list itself.
     listbox_state: listbox::State,
+    /// Writer to which promptkit write its contents
+    writer: Box<dyn io::Write>,
 }
 
 impl Listbox {
@@ -45,6 +47,7 @@ impl Listbox {
                 lines: Default::default(),
             },
             keymap: ActiveKeySwitcher::new("default", self::keymap::default),
+            writer: Box::new(io::stdout()),
         }
     }
 
@@ -89,17 +92,23 @@ impl Listbox {
         self
     }
 
+    /// Sets writer.
+    pub fn writer<W: io::Write + 'static>(mut self, writer: W) -> Self {
+        self.writer = Box::new(writer);
+        self
+    }
+
     /// Displays the select prompt and waits for user input.
     /// Returns a `Result` containing the `Prompt` result,
     /// which is the selected option.
-    pub fn prompt<W: std::io::Write>(self, writer: W) -> anyhow::Result<Prompt<render::Renderer, W>> {
+    pub fn prompt(self) -> anyhow::Result<Prompt<render::Renderer>> {
         Ok(Prompt {
             renderer: render::Renderer {
                 keymap: RefCell::new(self.keymap),
                 title_snapshot: Snapshot::<text::State>::new(self.title_state),
                 listbox_snapshot: Snapshot::<listbox::State>::new(self.listbox_state),
             },
-            writer,
+            writer: self.writer,
         })
     }
 }

promkit/src/preset/query_selector.rs

@@ -1,4 +1,4 @@
-use std::{cell::RefCell, fmt::Display};
+use std::{cell::RefCell, fmt::Display, io};
 
 use crate::{
     crossterm::style::{Attribute, Attributes, Color, ContentStyle},
@@ -28,6 +28,8 @@ pub struct QuerySelector {
     /// A filter function to apply to the list box items
     /// based on the text editor input.
     filter: render::Filter,
+    /// Writer to which promptkit write its contents
+    writer: Box<dyn io::Write>,
 }
 
 impl QuerySelector {
@@ -74,6 +76,7 @@ impl QuerySelector {
             },
             keymap: ActiveKeySwitcher::new("default", self::keymap::default),
             filter,
+            writer: Box::new(io::stdout()),
         }
     }
 
@@ -154,13 +157,16 @@ impl QuerySelector {
         self
     }
 
+    /// Sets writer.
+    pub fn writer<W: io::Write + 'static>(mut self, writer: W) -> Self {
+        self.writer = Box::new(writer);
+        self
+    }
+
     /// Displays the query select prompt and waits for user input.
     /// Returns a `Result` containing the `Prompt` result,
     /// which is the selected option.
-    pub fn prompt<W: std::io::Write>(
-        self,
-        writer: W,
-    ) -> anyhow::Result<Prompt<render::Renderer, W>> {
+    pub fn prompt(self) -> anyhow::Result<Prompt<render::Renderer>> {
         Ok(Prompt {
             renderer: render::Renderer {
                 keymap: RefCell::new(self.keymap),
@@ -169,7 +175,7 @@ impl QuerySelector {
                 listbox_snapshot: Snapshot::<listbox::State>::new(self.listbox_state),
                 filter: self.filter,
             },
-            writer,
+            writer: self.writer,
         })
     }
 }