separate windows out, IPCcargo run --release!

src/essential/lock_screen.rs

@@ -0,0 +1,79 @@
+use std::vec;
+use std::vec::Vec;
+
+use crate::framebuffer::Dimensions;
+use crate::themes::ThemeInfo;
+use crate::messages::{ WindowMessage, WindowMessageResponse, WindowManagerRequest };
+use crate::window_manager::{ DrawInstructions, WindowLike, WindowLikeType };
+use blake2::{ Blake2b512, Digest };
+
+const PASSWORD_HASH: [u8; 64] = [220, 88, 183, 188, 240, 27, 107, 181, 58, 191, 198, 170, 114, 38, 7, 148, 6, 179, 75, 128, 231, 171, 172, 220, 85, 38, 36, 113, 116, 146, 70, 197, 163, 179, 158, 192, 130, 53, 247, 48, 47, 209, 95, 96, 179, 211, 4, 122, 254, 127, 21, 165, 139, 199, 151, 226, 216, 176, 123, 41, 194, 221, 58, 69];
+
+pub struct LockScreen {
+  dimensions: Dimensions,
+  input_password: String,
+}
+
+impl WindowLike for LockScreen {
+  fn handle_message(&mut self, message: WindowMessage) -> WindowMessageResponse {
+    match message {
+      WindowMessage::Init(dimensions) => {
+        self.dimensions = dimensions;
+        WindowMessageResponse::JustRerender
+      },
+      WindowMessage::KeyPress(key_press) => {
+        if key_press.key == '𐘂' { //the enter key
+          //check password
+          let mut hasher = Blake2b512::new();
+          hasher.update(self.input_password.as_bytes());
+          if hasher.finalize() == PASSWORD_HASH.into() {
+            WindowMessageResponse::Request(WindowManagerRequest::Unlock)
+          } else {
+            self.input_password = String::new();
+            WindowMessageResponse::JustRerender
+          }
+        } else if key_press.key == '𐘁' { //backspace
+          let p_len = self.input_password.len();
+          if p_len != 0 {
+            self.input_password = self.input_password[..p_len - 1].to_string();
+          }
+          WindowMessageResponse::JustRerender
+        } else {
+          self.input_password += &key_press.key.to_string();
+          WindowMessageResponse::JustRerender
+        }
+      },
+      _ => WindowMessageResponse::DoNothing,
+    }
+  }
+
+  fn draw(&self, _theme_info: &ThemeInfo) -> Vec<DrawInstructions> {
+    vec![
+      DrawInstructions::Rect([0, 0], self.dimensions, [0, 0, 0]),
+      DrawInstructions::Text([4, 4], "times-new-roman".to_string(), "The bulldozer outside the kitchen window was quite a big one.".to_string(), [255, 255, 255], [0, 0, 0], None, None),
+      DrawInstructions::Text([4, 4 + 16], "times-new-roman".to_string(), "\"Yellow,\" he thought, and stomped off back to his bedroom to get dressed.".to_string(), [255, 255, 255], [0, 0, 0], None, None),
+      DrawInstructions::Text([4, 4 + 16 * 2], "times-new-roman".to_string(), "He stared at it.".to_string(), [255, 255, 255], [0, 0, 0], None, None),
+      DrawInstructions::Text([4, 4 + 16 * 3], "times-new-roman".to_string(), "Password: ".to_string(), [255, 255, 255], [0, 0, 0], None, None),
+      DrawInstructions::Text([77, 4 + 16 * 3], "times-new-roman".to_string(), "*".repeat(self.input_password.len()), [255, 255, 255], [0, 0, 0], None, None),
+    ]
+  }
+  
+  //properties
+  fn subtype(&self) -> WindowLikeType {
+    WindowLikeType::LockScreen
+  }
+
+  fn ideal_dimensions(&self, dimensions: Dimensions) -> Dimensions {
+    dimensions //fullscreen
+  }
+}
+
+impl LockScreen {
+  pub fn new() -> Self {
+    Self {
+      dimensions: [0, 0],
+      input_password: String::new(),
+    }
+  }
+}
+