tsu_editor/
window.rs

1use crate::editor::Point;
2
3#[derive(Debug, Clone, Copy)]
4pub enum Direction {
5    Up,
6    Down,
7    Left,
8    Right,
9}
10
11#[derive(Debug, Clone)]
12pub struct Window {
13    pub buffer_index: usize,
14    pub position: Point,
15    pub size: (usize, usize),
16    pub vtop: usize,
17    pub vleft: usize,
18    pub cursor_x: usize,
19    pub cursor_y: usize,
20    pub active: bool,
21    pub vx: usize,
22}
23
24impl Window {
25    #[must_use]
26    /// Constructs a new window with a buffer index, a position, and a size
27    ///
28    /// # Arguments
29    /// - `buffer_index`: The index of the buffer that the window will encapsulate
30    /// - `position`: The position of the window
31    /// - `size`: The size of the window
32    ///
33    /// # Returns
34    /// - A newly constructed window
35    pub fn new(buffer_index: usize, position: Point, size: (usize, usize)) -> Self {
36        Self {
37            buffer_index,
38            position,
39            size,
40            vtop: 0,
41            vleft: 0,
42            cursor_x: 0,
43            cursor_y: 0,
44            active: false,
45            vx: 0,
46        }
47    }
48
49    #[must_use]
50    /// Retrieves the interior width of the window
51    ///
52    /// # Returns
53    /// - The interior width of the window
54    pub fn inner_width(&self) -> usize {
55        self.size.0
56    }
57
58    #[must_use]
59    /// Retrieves the interior height of the window
60    ///
61    /// # Returns
62    /// - The interior height of the window
63    pub fn inner_height(&self) -> usize {
64        self.size.1
65    }
66
67    #[must_use]
68    /// Checks if the provided position is within the current window
69    ///
70    /// # Arguments
71    /// - `x`: The x coordinate of the position
72    /// - `y`: The y coordinate of the position
73    ///
74    /// # Returns
75    /// - `true` if the position is within the window, `false` otherwise
76    pub fn contains_position(&self, x: usize, y: usize) -> bool {
77        x >= self.position.x
78            && x < self.position.x + self.size.0
79            && y >= self.position.y
80            && y < self.position.y + self.size.1
81    }
82
83    #[must_use]
84    /// Transforms terminal coordinates to local coordinates, i.e., position relative to the window
85    ///
86    /// # Arguments
87    /// - `terminal_x`: The x coordinate relative to the terminal
88    /// - `terminal_y`: The y coordinate relative to the terminal
89    ///
90    /// # Returns
91    /// - Local coordinates if the terminal coordinates provided are contained within the window
92    pub fn terminal_to_local_transform(
93        &self,
94        terminal_x: usize,
95        terminal_y: usize,
96    ) -> Option<(usize, usize)> {
97        if self.contains_position(terminal_x, terminal_y) {
98            Some((terminal_x - self.position.x, terminal_y - self.position.y))
99        } else {
100            None
101        }
102    }
103
104    #[must_use]
105    /// Transforms local coordinates to terminal coordinates, i.e., position relative to the terminal
106    ///
107    /// # Arguments
108    /// - `local_x`: The x coordinate relative to the window
109    /// - `local_y`: The y coordinate relative to the window
110    ///
111    /// # Returns
112    /// - A tuple of terminal coordinates in the format (x, y)
113    pub fn local_to_terminal_transform(&self, local_x: usize, local_y: usize) -> (usize, usize) {
114        (self.position.x + local_x, self.position.y + local_y)
115    }
116}
tsu_editor/window.rs

tsu_editor/
window.rs
