Better swkbd names

ctru-rs/examples/file-explorer.rs

@@ -163,7 +163,7 @@ impl<'a> FileExplorer<'a> {
     fn get_input_and_run(&mut self, action: impl FnOnce(&mut Self, String)) {
         let mut keyboard = Swkbd::default();
 
-        match keyboard.write_to_string() {
+        match keyboard.get_string(2048) {
             Ok((path, Button::Right)) => {
                 // Clicked "OK"
                 action(self, path);

ctru-rs/examples/software-keyboard.rs

@@ -26,7 +26,7 @@ fn main() {
 
             // Raise the software keyboard. You can perform different actions depending on which
             // software button the user pressed
-            match keyboard.write_to_string() {
+            match keyboard.get_string(2048) {
                 Ok((text, Button::Right)) => println!("You entered: {text}"),
                 Ok((_, Button::Left)) => println!("Cancelled"),
                 Ok((_, Button::Middle)) => println!("How did you even press this?"),

ctru-rs/src/applets/swkbd.rs

@@ -99,16 +99,14 @@ impl Swkbd {
 
     /// Gets input from this keyboard and appends it to the provided string.
     ///
-    /// The text received from the keyboard will be truncated if it is greater than 2048 bytes
+    /// The text received from the keyboard will be truncated if it is longer than `max_bytes`.
-    /// in length.
+    pub fn get_string(&mut self, max_bytes: usize) -> Result<(String, Button), Error> {
-    pub fn write_to_string(&mut self) -> Result<(String, Button), Error> {
         // Unfortunately the libctru API doesn't really provide a way to get the exact length
         // of the string that it receieves from the software keyboard. Instead it expects you
         // to pass in a buffer and hope that it's big enough to fit the entire string, so
         // you have to set some upper limit on the potential size of the user's input.
-        const MAX_BYTES: usize = 2048;
+        let mut tmp = vec![0u8; max_bytes];
-        let mut tmp = vec![0u8; MAX_BYTES];
+        let button = self.write_exact(&mut tmp)?;
-        let button = self.write_bytes(&mut tmp)?;
 
         // libctru does, however, seem to ensure that the buffer will always contain a properly
         // terminated UTF-8 sequence even if the input has to be truncated, so these operations
@@ -126,7 +124,7 @@ impl Swkbd {
     ///
     /// If the buffer is too small to contain the entire sequence received from the keyboard,
     /// the output will be truncated but should still be well-formed UTF-8.
-    pub fn write_bytes(&mut self, buf: &mut [u8]) -> Result<Button, Error> {
+    pub fn write_exact(&mut self, buf: &mut [u8]) -> Result<Button, Error> {
         unsafe {
             match swkbdInputText(self.state.as_mut(), buf.as_mut_ptr(), buf.len()) {
                 ctru_sys::SWKBD_BUTTON_NONE => Err(self.parse_swkbd_error()),