gui start

Cargo.toml

@@ -5,4 +5,13 @@ edition = "2024"
 
 [dependencies]
 enum_dispatch = "0.3.13"
+iced = "0.13.1"
 test-case = "3.3.1"
+
+[lib]
+name = "libopenbirch"
+path = "src/lib/lib.rs"
+
+[[bin]]
+name = "openbirch_iced"
+path = "src/app/bin.rs"

flake.nix

@@ -9,26 +9,44 @@
     };
   };
 
-  outputs = { self, nixpkgs, rust-overlay }:
-    let
-      # rust-overlay = import rust-overlay;
-      pkgs = import nixpkgs
-        {
-          system = "x86_64-linux";
-          overlays = [ rust-overlay.overlays.default ];
-        };
-    in
-    {
-      devShells.x86_64-linux.default = pkgs.mkShell {
-        buildInputs = with pkgs;
-          [
-            rust-bin.nightly.latest.default
-            rust-analyzer
-          ];
-
-        shell = ''
-          echo "Hello from nix dev shell"
-        '';
+  outputs = {
+    self,
+    nixpkgs,
+    rust-overlay,
+  }: let
+    # rust-overlay = import rust-overlay;
+    pkgs =
+      import nixpkgs
+      {
+        system = "x86_64-linux";
+        overlays = [rust-overlay.overlays.default];
       };
+  in {
+    devShells.x86_64-linux.default = pkgs.mkShell rec {
+      buildInputs = with pkgs; [
+        rust-bin.nightly.latest.default
+        rust-analyzer
+
+        expat
+        fontconfig
+        freetype
+        freetype.dev
+        libGL
+        pkg-config
+        xorg.libX11
+        xorg.libXcursor
+        xorg.libXi
+        xorg.libXrandr
+        wayland
+        libxkbcommon
+      ];
+
+      LD_LIBRARY_PATH =
+        builtins.foldl' (a: b: "${a}:${b}/lib") "${pkgs.vulkan-loader}/lib" buildInputs;
+
+      shell = ''
+        echo "Hello from nix dev shell"
+      '';
     };
+  };
 }

src/app/bin.rs

@@ -0,0 +1,7 @@
+use gui::GUI;
+
+mod gui;
+
+fn main() -> Result<(), iced::Error> {
+    GUI::run("Openbirch GUI")
+}

src/app/gui/line.rs

@@ -0,0 +1,4 @@
+#[derive(Debug, Clone)]
+pub enum Line {
+    Text(String)
+}

src/app/gui/mod.rs

@@ -0,0 +1,96 @@
+use iced::{Element, Length, Task, widget::text};
+
+#[derive(Debug, Clone)]
+enum Message {
+    CreateLine(Option<usize>, Line, bool),
+    ChangeLine(usize, Line),
+}
+
+mod line;
+use line::Line;
+
+#[derive(Default)]
+pub struct GUI {
+    lines: Vec<Line>,
+    current_line: usize,
+}
+
+impl GUI {
+    pub fn run(title: &'static str) -> Result<(), iced::Error> {
+        iced::application(title, Self::update, Self::view)
+            .settings(iced::Settings {
+                default_font: iced::font::Font::MONOSPACE,
+                antialiasing: true,
+                ..Default::default()
+            })
+            .theme(|_| iced::Theme::Nord)
+            .centered()
+            .run_with(move || Self::new())
+    }
+
+    fn new() -> (Self, Task<Message>) {
+        let s = Self {
+            ..Default::default()
+        };
+
+        (
+            s,
+            Task::done(Message::CreateLine(
+                None,
+                Line::Text("Testline".to_owned()),
+                true,
+            )),
+        )
+    }
+
+    fn update(&mut self, message: Message) -> Task<Message> {
+        match message {
+            Message::CreateLine(idx, line, focus) => {
+                let idx = if let Some(idx) = idx {
+                    idx
+                } else {
+                    self.lines.len()
+                };
+                self.lines.insert(idx, line);
+                if focus {
+                    self.current_line = idx;
+                }
+            }
+            Message::ChangeLine(idx, text) => {
+                let r = self.lines.get_mut(idx);
+                if let Some(r) = r {
+                    std::mem::replace(r, text);
+                } else {
+                    // TODO: Error message to user
+                }
+            }
+        }
+
+        Task::none()
+    }
+
+    fn view(&self) -> Element<Message> {
+        iced::widget::Column::from_vec(
+            self.lines
+                .iter()
+                .enumerate()
+                .map(move |(i, line)| {
+                    match line {
+                        Line::Text(text) => iced::widget::text_input("", text)
+                            .width(Length::Fill)
+                            .on_input(move |s| Message::ChangeLine(i, Line::Text(s)))
+                            .on_submit(Message::CreateLine(
+                                Some(i + 1),
+                                Line::Text("".to_owned()),
+                                true,
+                            )),
+                    }
+                    .into()
+                })
+                .collect::<Vec<Element<Message>>>(),
+        )
+        .width(Length::Fill)
+        .height(Length::Fill)
+        .into()
+    }
+}

src/lib/lib.rs

@@ -1,7 +1,7 @@
 use std::io::{self, stdout, BufRead, Write};
 
-mod node;
-mod environment;
+pub mod node;
+pub mod environment;
 
 #[cfg(test)]
 mod tests;