src/Tools/psxreadmap/src/lib.rs

@@ -2,6 +2,11 @@ use crossterm::event::KeyCode;
 use readmap::types::Section;
 use std::path::PathBuf;
 use tool_helper::Error;
+use tui::{
+    layout::{Alignment, Constraint, Direction, Layout, Rect},
+    style::{Color, Style},
+    widgets::{Block, Borders, BorderType, Paragraph}
+};
 
 pub type EventReceiver = std::sync::mpsc::Receiver<Event<crossterm::event::KeyEvent>>;
 pub type Terminal      = tui::Terminal<tui::backend::CrosstermBackend<std::io::Stdout>>;
@@ -18,12 +23,14 @@ pub enum UIState {
 
 pub struct ConsoleUI {
     rx:         EventReceiver,
-    terminal: Terminal
+    terminal:   Terminal,
+    frame:      Rect,
+    sub_frames: Vec<Rect>
 }
 
 impl ConsoleUI {
     pub fn new(rx: EventReceiver, terminal: Terminal) -> ConsoleUI {
-        ConsoleUI{rx, terminal}
+        ConsoleUI{rx, terminal, frame: Rect::default(), sub_frames: Vec::default()}
     }
 
     pub fn update(&self) -> Result<UIState, Error> {
@@ -38,7 +45,17 @@ impl ConsoleUI {
         }
     }
 
-    pub fn render(&self) {}
+    pub fn render(&mut self) -> Result<(), Error> {
+        self.terminal.draw(|frame| {
+            Self::update_sub_frames(&mut self.sub_frames, &mut self.frame, frame.size());
+
+            frame.render_widget(Self::create_titel(), self.sub_frames[0]);
+            frame.render_widget(Self::create_titel(), self.sub_frames[1]);
+            frame.render_widget(Self::create_titel(), self.sub_frames[2]);
+        })?;
+
+        Ok(())
+    }
 
     pub fn close(mut self) -> Result<(), Error> {
         crossterm::terminal::disable_raw_mode()?;
@@ -47,6 +64,28 @@ impl ConsoleUI {
 
         Ok(())
     }
+
+    fn update_sub_frames(sub_frames: &mut Vec<Rect>, frame: &mut Rect, new_frame: Rect) {
+        if new_frame  != *frame {
+            *sub_frames = Layout::default().direction(Direction::Vertical).constraints([
+                Constraint::Length(3),
+                Constraint::Length(3),
+                Constraint::Min(3)
+            ]).split(new_frame);
+            *frame = new_frame;
+        }
+    }
+
+    fn create_titel<'a>() -> Paragraph<'a> {
+        Paragraph::new("psxreadmap")
+            .style(Style::default().fg(Color::White))
+            .alignment(Alignment::Center)
+            .block(Block::default()
+                .borders(Borders::ALL)
+                .style(Style::default().fg(Color::White))
+                .border_type(BorderType::Plain)
+            )
+    }
 }
 
 pub fn load_memory_map(file_path: Option<PathBuf>) -> Result<Vec<Section>, Error> {

src/Tools/psxreadmap/src/main.rs

@@ -9,7 +9,7 @@ use tui::backend::CrosstermBackend;
 #[clap(about = "Opens and scans a MAP file to print extended information", long_about = None)]
 struct CommandLine {
     #[clap(value_parser, help="Input MAP file for scannning")]
-    input:          Option<PathBuf>
+    input: PathBuf
 }
 
 pub fn main() {
@@ -27,13 +27,13 @@ pub fn main() {
 }
 
 fn run_main(cmd: CommandLine) -> Result<(), Error> {
-    let _sections   = load_memory_map(cmd.input)?;
+    let _sections   = load_memory_map(Some(cmd.input))?;
     let     rx         = start_event_loop();
     let     terminal   = setup_console()?;
-    let console_ui = ConsoleUI::new(rx, terminal);
+    let mut console_ui = ConsoleUI::new(rx, terminal);
 
     while matches!(console_ui.update()?, psxreadmap::UIState::Alive) {
-        console_ui.render();
+        console_ui.render()?;
     }
 
     console_ui.close()