Prepare memory usage

src/Tools/psxreadmap/src/lib.rs

@@ -5,12 +5,14 @@ use tool_helper::Error;
 use tui::{
     layout::{Alignment, Constraint, Direction, Layout, Rect},
     style::{Color, Modifier, Style},
+    symbols,
     text::{Span, Spans},
-    widgets::{Block, Borders, BorderType, Paragraph, Tabs}
+    widgets::{Block, Borders, BorderType, LineGauge, Paragraph, Tabs}
 };
 
 pub type EventReceiver = std::sync::mpsc::Receiver<Event<crossterm::event::KeyEvent>>;
 pub type Terminal      = tui::Terminal<tui::backend::CrosstermBackend<std::io::Stdout>>;
+type ConsoleFrame<'a>  = tui::Frame<'a, tui::backend::CrosstermBackend<std::io::Stdout>>;
 
 pub enum Event<I> {
     Input(I),
@@ -50,16 +52,17 @@ impl MenuSelection {
 }
 
 pub struct ConsoleUI {
-    rx:             EventReceiver,
+    rx:              EventReceiver,
-    terminal:       Terminal,
+    terminal:        Terminal,
-    frame:          Rect,
+    frame:           Rect,
-    sub_frames:     Vec<Rect>,
+    sub_frames:      Vec<Rect>,
-    menu_selection: MenuSelection,
+    stat_sub_frames: Vec<Rect>,
+    menu_selection:  MenuSelection,
 }
 
 impl ConsoleUI {
     pub fn new(rx: EventReceiver, terminal: Terminal) -> ConsoleUI {
-        ConsoleUI{rx, terminal, frame: Rect::default(), sub_frames: Vec::default(), menu_selection: MenuSelection::Stats}
+        ConsoleUI{rx, terminal, frame: Rect::default(), sub_frames: Vec::default(), stat_sub_frames: Vec::default(), menu_selection: MenuSelection::Stats}
     }
 
     pub fn update(&mut self) -> Result<UIState, Error> {
@@ -86,23 +89,33 @@ impl ConsoleUI {
                     _                  => Ok(UIState::Alive)
                 }
             },
-            Event::Tick        => Ok(UIState::Alive),
+            Event::Tick        => {
+                if self.terminal.size().expect("Getting size of terminal") != self.frame {
+                    Ok(UIState::Render)
+                } 
+
+                else {
+                    Ok(UIState::Alive)
+                }
+            },
             Event::ForceRender => Ok(UIState::Render)
         }
     }
 
     pub fn render(&mut self) -> Result<(), Error> {
         self.terminal.draw(|frame| {
-            Self::update_sub_frames(&mut self.sub_frames, &mut self.frame, frame.size());
+            Self::update_sub_frames(&mut self.sub_frames, &mut self.stat_sub_frames, &mut self.frame, frame.size());
 
             frame.render_widget(Self::create_titel(),                    self.sub_frames[0]);
             frame.render_widget(Self::create_menu(&self.menu_selection), self.sub_frames[1]);
-            frame.render_widget({
+            match self.menu_selection {
-                match self.menu_selection {
+                MenuSelection::Stats => {
-                    MenuSelection::Stats => Self::create_titel(),
+                    Self::render_stats(frame, &self.stat_sub_frames);
-                    MenuSelection::Quit  => Self::create_exit_message(),
+                },
+                MenuSelection::Quit  => {
+                    frame.render_widget(Self::create_exit_message(), self.sub_frames[2]);
                 }
-            }, self.sub_frames[2]);
+            }
         })?;
         Ok(())
     }
@@ -115,13 +128,19 @@ impl ConsoleUI {
         Ok(())
     }
 
-    fn update_sub_frames(sub_frames: &mut Vec<Rect>, frame: &mut Rect, new_frame: Rect) {
+    fn update_sub_frames(sub_frames: &mut Vec<Rect>, stats_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);
+
+            *stats_frames = Layout::default().direction(Direction::Vertical).constraints([
+                Constraint::Min(3),
+                Constraint::Length(3)
+            ]).split(sub_frames[2]);
+
             *frame = new_frame;
         }
     }
@@ -157,6 +176,29 @@ impl ConsoleUI {
         )
     }
 
+    fn render_stats(frame: &mut ConsoleFrame, frames: &Vec<Rect>) {
+        let content_text = Paragraph::new("<EMPTY>")
+            .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)
+            );
+        let mem_gauge = Self::create_overall_mem_gauge();
+
+        frame.render_widget(content_text, frames[0]);
+        frame.render_widget(mem_gauge, frames[1]);
+    }
+
+    fn create_overall_mem_gauge<'a>() -> LineGauge<'a> {
+
+        LineGauge::default().block(Block::default().borders(Borders::ALL).title("Progress"))
+        .gauge_style(Style::default().fg(Color::White).bg(Color::Black).add_modifier(Modifier::BOLD))
+        .line_set(symbols::line::THICK)
+        .ratio(0.4)
+    }
+
     fn create_exit_message<'a>() -> Paragraph<'a> {
         Paragraph::new("Press \"ENTER\" to exit")
             .style(Style::default().fg(Color::White))

src/Tools/psxreadmap/src/main.rs

@@ -26,7 +26,7 @@ pub fn main() {
     }
 }
 
-fn run_main(cmd: CommandLine) -> Result<(), Error> {
+fn run_main(_cmd: CommandLine) -> Result<(), Error> {
     let _sections   = load_memory_map(Some(cmd.input))?;
     let     rx         = start_event_loop();
     let     terminal   = setup_console()?;