Added freezing of updates.

Cargo.toml

@@ -30,7 +30,7 @@ tokio = "0.2.0-alpha.4"
 winapi = "0.3.8"
 
 [dependencies.tui-temp-fork]
-git = "https://github.com/ClementTsang/tui-rs"
+#git = "https://github.com/ClementTsang/tui-rs"
 #path = "../tui-rs"
 version = "0.6.4"
 default-features = false

README.md

@@ -47,6 +47,8 @@ Currently, I'm unable to really dev or test on MacOS, so I'm not sure how well t
 
 - `q`, `Ctrl-C` to quit.
 
+- `f` to freeze updating. Press `f` again to unfreeze. Note updating will still continue in the background.
+
 - `Up/k`, `Down/j`, `Left/h`, `Right/l` to navigate between panels.
 
 - `Shift+Up` and `Shift+Down` scrolls through the list if the panel is a table (Temperature, Disks, Processes).

TODO.md

@@ -8,7 +8,7 @@ Note this will probably migrate to GitHub's native Issues; this was mostly for p
 
 - Scaling in and out (zoom), may need to show zoom levels
 
-- More keybinds (jumping, scaling, help)
+- More keybinds (jumping, scaling)
 
 - ~~Add custom error because it's really messy~~ Done, but need to implement across rest of app!
 
@@ -16,8 +16,6 @@ Note this will probably migrate to GitHub's native Issues; this was mostly for p
 
 - Filtering in processes (that is, allow searching)
 
-- Help screen
-
 - Probably good to add a "are you sure" to dd-ing...
 
 ## Less important

src/app.rs

@@ -40,6 +40,7 @@ pub struct App {
 	awaiting_second_d : bool,
 	pub use_dot : bool,
 	pub show_help : bool,
+	pub is_frozen : bool,
 }
 
 impl App {
@@ -64,6 +65,7 @@ impl App {
 			awaiting_second_d : false,
 			use_dot,
 			show_help : false,
+			is_frozen : false,
 		}
 	}
 
@@ -83,14 +85,16 @@ impl App {
 				'd' => {
 					if self.awaiting_second_d {
 						self.awaiting_second_d = false;
-						self.kill_highlighted_process().unwrap_or(()); // TODO: Should this be handled?
+						self.kill_highlighted_process().unwrap_or(());
 					}
 					else {
 						self.awaiting_second_d = true;
 					}
 				}
+				'f' => {
+					self.is_frozen = !self.is_frozen;
+				}
 				'c' => {
-					// TODO: This should depend on what tile you're on!
 					match self.process_sorting_type {
 						processes::ProcessSorting::CPU => self.process_sorting_reverse = !self.process_sorting_reverse,
 						_ => {

src/canvas.rs

@@ -61,6 +61,7 @@ pub fn draw_data<B : backend::Backend>(terminal : &mut Terminal<B>, app_state :
 			let text = [
 				Text::raw("\nGeneral Keybinds\n"),
 				Text::raw("q, Ctrl-C to quit.\n"),
+				Text::raw("f to toggle freezing and unfreezing the display.\n"),
 				Text::raw("Up/k, Down/j, Left/h, Right/l to navigate between panels.\n"),
 				Text::raw("Shift+Up and Shift+Down scrolls through the list.\n"),
 				Text::raw("Esc to close a dialog window (help or dd confirmation).\n"),
@@ -400,10 +401,10 @@ pub fn draw_data<B : backend::Backend>(terminal : &mut Terminal<B>, app_state :
 
 				{
 					use app::data_collection::processes::ProcessSorting;
-					let mut pid = "PID".to_string();
+					let mut pid = "PID (p)".to_string();
-					let mut name = "Name".to_string();
+					let mut name = "Name (n)".to_string();
-					let mut cpu = "CPU%".to_string();
+					let mut cpu = "CPU% (c)".to_string();
-					let mut mem = "Mem%".to_string();
+					let mut mem = "Mem% (m)".to_string();
 
 					let direction_val = if app_state.process_sorting_reverse {
 						" ⯆".to_string()

src/main.rs

@@ -226,6 +226,7 @@ fn main() -> error::Result<()> {
 				}
 				Event::Update(data) => {
 					// debug!("Update event fired!");
+					if !app.is_frozen {
 						app.data = *data;
 						data_collection::processes::sort_processes(
 							&mut app.data.list_of_processes,
@@ -251,6 +252,7 @@ fn main() -> error::Result<()> {
 					}
 				}
 			}
+		}
 		// Draw!
 		if let Err(err) = canvas::draw_data(&mut terminal, &mut app, &canvas_data) {
 			input().disable_mouse_mode().unwrap();