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dont allow scrolling when last line is visible (#729)

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* dont allow scrolling when last line is visible

* apply changes proposed by adam

Co-authored-by: Adam Perkowski <adas1per@protonmail.com>

---------

Co-authored-by: nyx <nnyyxxxx@users.noreply.github.com>
Co-authored-by: Adam Perkowski <adas1per@protonmail.com>
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nyx 2024-10-31 14:37:01 -04:00 committed by GitHub
parent 1dcc3f3c99
commit 38138334b7
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1 changed files with 7 additions and 1 deletions
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8
tui/src/floating_text.rs
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@ -30,6 +30,7 @@ pub struct FloatingText {
v_scroll: usize, v_scroll: usize,
h_scroll: usize, h_scroll: usize,
mode_title: String, mode_title: String,
frame_height: usize,
} }
macro_rules! style { macro_rules! style {
@ -137,6 +138,7 @@ impl FloatingText {
max_line_width, max_line_width,
v_scroll: 0, v_scroll: 0,
h_scroll: 0, h_scroll: 0,
frame_height: 0,
} }
} }
@ -167,11 +169,13 @@ impl FloatingText {
max_line_width, max_line_width,
h_scroll: 0, h_scroll: 0,
v_scroll: 0, v_scroll: 0,
frame_height: 0,
}) })
} }
fn scroll_down(&mut self) { fn scroll_down(&mut self) {
if self.v_scroll + 1 < self.src.len() { let visible_lines = self.frame_height.saturating_sub(2);
if self.v_scroll + visible_lines < self.src.len() {
self.v_scroll += 1; self.v_scroll += 1;
} }
} }
@ -197,6 +201,8 @@ impl FloatingText {
impl FloatContent for FloatingText { impl FloatContent for FloatingText {
fn draw(&mut self, frame: &mut Frame, area: Rect) { fn draw(&mut self, frame: &mut Frame, area: Rect) {
self.frame_height = area.height as usize;
// Define the Block with a border and background color // Define the Block with a border and background color
let block = Block::default() let block = Block::default()
.borders(Borders::ALL) .borders(Borders::ALL)