gooey/interface/controller/
alignment.rs

1#[derive(Clone, Copy, Debug, Eq, PartialEq)]
2pub struct Alignment {
3  pub horizontal : Horizontal,
4  pub vertical   : Vertical
5}
6
7#[derive(Clone, Copy, Debug, Eq, PartialEq)]
8pub enum Horizontal {
9  Left,
10  Center,
11  Right
12}
13
14#[derive(Clone, Copy, Debug, Eq, PartialEq)]
15pub enum Vertical {
16  Top,
17  Middle,
18  Bottom
19}
20
21impl Alignment {
22  /// Origin for row/column coordinates (default)
23  #[inline]
24  pub const fn tile() -> Self {
25    Alignment {
26      horizontal: Horizontal::Left,
27      vertical:   Vertical::Top
28    }
29  }
30  /// Origin for width/height coordinates
31  #[inline]
32  pub const fn pixel() -> Self {
33    Alignment {
34      horizontal: Horizontal::Left,
35      vertical:   Vertical::Bottom
36    }
37  }
38  /// Centered vertically and horizontally
39  #[inline]
40  pub const fn middle_center() -> Self {
41    Alignment {
42      horizontal: Horizontal::Center,
43      vertical:   Vertical::Middle
44    }
45  }
46
47  #[inline]
48  pub const fn new (horizontal : Horizontal, vertical : Vertical) -> Self {
49    Alignment { horizontal, vertical }
50  }
51}
52
53impl Default for Alignment {
54  fn default() -> Self {
55    Self::tile()
56  }
57}
58
59impl Horizontal {
60  #[inline]
61  pub fn right_sign (&self) -> i32 {
62    match self {
63      Horizontal::Left | Horizontal::Center =>  1,
64      Horizontal::Right                     => -1
65    }
66  }
67  #[inline]
68  pub fn left_sign (&self) -> i32 {
69    match self {
70      Horizontal::Left | Horizontal::Center => -1,
71      Horizontal::Right                     =>  1
72    }
73  }
74}
75impl Vertical {
76  #[inline]
77  pub fn up_sign (&self) -> i32 {
78    match self {
79      Vertical::Bottom | Vertical::Middle =>  1,
80      Vertical::Top                       => -1
81    }
82  }
83  #[inline]
84  pub fn down_sign (&self) -> i32 {
85    match self {
86      Vertical::Bottom | Vertical::Middle => -1,
87      Vertical::Top                       =>  1
88    }
89  }
90}
gooey/interface/controller/alignment.rs

gooey/interface/controller/
alignment.rs
