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add click and drag

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nnyyxxxx 2024-11-13 00:11:01 -05:00
parent f41257d55b
commit 55e547f9d0
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1 changed files with 31 additions and 1 deletions
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32
tui/src/floating_text.rs
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@ -9,7 +9,7 @@ use crate::{float::FloatContent, hint::Shortcut};
use linutil_core::Command;
use ratatui::{
crossterm::event::{KeyCode, KeyEvent, MouseEvent, MouseEventKind},
crossterm::event::{KeyCode, KeyEvent, MouseButton, MouseEvent, MouseEventKind},
layout::Rect,
style::{Style, Stylize},
text::Line,
@ -33,6 +33,8 @@ pub struct FloatingText {
mode_title: String,
wrap_words: bool,
frame_height: usize,
drag_start_y: Option<u16>,
drag_start_scroll: Option<usize>,
}
macro_rules! style {
@ -141,6 +143,8 @@ impl FloatingText {
h_scroll: 0,
wrap_words,
frame_height: 0,
drag_start_y: None,
drag_start_scroll: None,
}
}
@ -165,6 +169,8 @@ impl FloatingText {
v_scroll: 0,
wrap_words: false,
frame_height: 0,
drag_start_y: None,
drag_start_scroll: None,
})
}
@ -206,6 +212,19 @@ impl FloatingText {
};
}
}
fn handle_drag(&mut self, current_y: u16) {
if let (Some(start_y), Some(start_scroll)) = (self.drag_start_y, self.drag_start_scroll) {
let delta = start_y as i32 - current_y as i32;
let new_scroll = start_scroll as i32 + delta;
let max_scroll = self
.wrapped_lines
.len()
.saturating_sub(self.frame_height.saturating_sub(2));
self.v_scroll = new_scroll.clamp(0, max_scroll as i32) as usize;
}
}
}
impl FloatContent for FloatingText {
@ -285,6 +304,17 @@ impl FloatContent for FloatingText {
fn handle_mouse_event(&mut self, event: &MouseEvent) -> bool {
match event.kind {
MouseEventKind::Down(MouseButton::Left) => {
self.drag_start_y = Some(event.row);
self.drag_start_scroll = Some(self.v_scroll);
}
MouseEventKind::Up(MouseButton::Left) => {
self.drag_start_y = None;
self.drag_start_scroll = None;
}
MouseEventKind::Drag(MouseButton::Left) => {
self.handle_drag(event.row);
}
MouseEventKind::ScrollDown => self.scroll_down(),
MouseEventKind::ScrollUp => self.scroll_up(),
MouseEventKind::ScrollLeft => self.scroll_left(),