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Code Issues Actions 1 Packages Projects Releases Wiki Activity

Redraw interface only if needed

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This commit is contained in:
ChristianVisintin
2020-11-30 14:38:14 +01:00
parent 015a17d9f7
commit b5c47b9470
2 changed files with 76 additions and 58 deletions
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124
src/ui/activities/auth_activity.rs
View File

@@ -82,6 +82,7 @@ pub struct AuthActivity {
input_mode: InputMode,
popup_message: Option<String>,
password_placeholder: String,
redraw: bool, // Should ui actually be redrawned?
}
impl AuthActivity {
@@ -102,6 +103,7 @@ impl AuthActivity {
input_mode: InputMode::Text,
popup_message: None,
password_placeholder: String::new(),
redraw: true, // True at startup
}
}
@@ -432,69 +434,77 @@ impl Activity for AuthActivity {
}
// Start catching Input Events
if let Ok(input_events) = self.context.as_ref().unwrap().input_hnd.fetch_events() {
if input_events.len() > 0 {
self.redraw = true; // Set redraw to true if there is at least one event
}
// Iterate over input events
for event in input_events.iter() {
self.handle_input_event(event);
}
}
// Determine input mode
self.input_mode = self.select_input_mode();
// draw interface
let mut ctx: Context = self.context.take().unwrap();
let _ = ctx.terminal.draw(|f| {
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(2)
.constraints(
[
Constraint::Length(5),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
]
.as_ref(),
)
.split(f.size());
// Draw header
f.render_widget(self.draw_header(), chunks[0]);
// Draw input fields
f.render_widget(self.draw_remote_address(), chunks[1]);
f.render_widget(self.draw_remote_port(), chunks[2]);
f.render_widget(self.draw_protocol_select(), chunks[3]);
f.render_widget(self.draw_protocol_username(), chunks[4]);
f.render_widget(self.draw_protocol_password(), chunks[5]);
// Draw footer
f.render_widget(self.draw_footer(), chunks[6]);
if self.popup_message.is_some() {
let (popup, popup_area): (Paragraph, Rect) = self.draw_popup(f.size());
f.render_widget(Clear, popup_area); //this clears out the background
f.render_widget(popup, popup_area);
}
// Set cursor
match self.selected_field {
InputField::Address => f.set_cursor(
chunks[1].x + self.address.width() as u16 + 1,
chunks[1].y + 1,
),
InputField::Port => {
f.set_cursor(chunks[2].x + self.port.width() as u16 + 1, chunks[2].y + 1)
// Redraw if necessary
if self.redraw {
// Determine input mode
self.input_mode = self.select_input_mode();
// draw interface
let mut ctx: Context = self.context.take().unwrap();
let _ = ctx.terminal.draw(|f| {
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(2)
.constraints(
[
Constraint::Length(5),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
Constraint::Length(3),
]
.as_ref(),
)
.split(f.size());
// Draw header
f.render_widget(self.draw_header(), chunks[0]);
// Draw input fields
f.render_widget(self.draw_remote_address(), chunks[1]);
f.render_widget(self.draw_remote_port(), chunks[2]);
f.render_widget(self.draw_protocol_select(), chunks[3]);
f.render_widget(self.draw_protocol_username(), chunks[4]);
f.render_widget(self.draw_protocol_password(), chunks[5]);
// Draw footer
f.render_widget(self.draw_footer(), chunks[6]);
if self.popup_message.is_some() {
let (popup, popup_area): (Paragraph, Rect) = self.draw_popup(f.size());
f.render_widget(Clear, popup_area); //this clears out the background
f.render_widget(popup, popup_area);
}
InputField::Username => f.set_cursor(
chunks[4].x + self.username.width() as u16 + 1,
chunks[4].y + 1,
),
InputField::Password => f.set_cursor(
chunks[5].x + self.password_placeholder.width() as u16 + 1,
chunks[5].y + 1,
),
_ => {}
}
});
// Reset ctx
self.context = Some(ctx);
// Set cursor
match self.selected_field {
InputField::Address => f.set_cursor(
chunks[1].x + self.address.width() as u16 + 1,
chunks[1].y + 1,
),
InputField::Port => {
f.set_cursor(chunks[2].x + self.port.width() as u16 + 1, chunks[2].y + 1)
}
InputField::Username => f.set_cursor(
chunks[4].x + self.username.width() as u16 + 1,
chunks[4].y + 1,
),
InputField::Password => f.set_cursor(
chunks[5].x + self.password_placeholder.width() as u16 + 1,
chunks[5].y + 1,
),
_ => {}
}
});
// Reset ctx
self.context = Some(ctx);
// Set redraw to false
self.redraw = false;
}
}
/// ### on_destroy

10
src/ui/activities/filetransfer_activity.rs
View File

@@ -2235,6 +2235,7 @@ impl Activity for FileTransferActivity {
/// `on_draw` is the function which draws the graphical interface.
/// This function must be called at each tick to refresh the interface
fn on_draw(&mut self) {
let mut redraw: bool = false; // Should ui actually be redrawned?
// Context must be something
if self.context.is_none() {
return;
@@ -2254,16 +2255,23 @@ impl Activity for FileTransferActivity {
self.draw();
// Connect to remote
self.connect();
// Redraw
redraw = true;
}
// Handle input events
if let Ok(event) = self.context.as_ref().unwrap().input_hnd.read_event() {
// Iterate over input events
if let Some(event) = event {
// Handle event
self.handle_input_event(&event);
// Set redraw to true
redraw = true;
}
}
// @! draw interface
self.draw();
if redraw {
self.draw();
}
}
/// ### on_destroy