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Add thick lines and line::Set struct

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Add a new style of line and use a struct to avoid duplication of
matching
This commit is contained in:
Loïc Girault 2020-02-17 22:21:30 +00:00 committed by Florian Dehau
parent 503bdeeadb
commit d987225ac8
2 changed files with 96 additions and 48 deletions
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75
src/symbols.rs
View file

@ -23,40 +23,115 @@ pub mod bar {
pub mod line {
pub const VERTICAL: &str = "│";
pub const DOUBLE_VERTICAL: &str = "║";
pub const THICK_VERTICAL: &str = "┃";
pub const HORIZONTAL: &str = "─";
pub const DOUBLE_HORIZONTAL: &str = "═";
pub const THICK_HORIZONTAL: &str = "━";
pub const TOP_RIGHT: &str = "┐";
pub const ROUNDED_TOP_RIGHT: &str = "╮";
pub const DOUBLE_TOP_RIGHT: &str = "╗";
pub const THICK_TOP_RIGHT: &str = "┓";
pub const TOP_LEFT: &str = "┌";
pub const ROUNDED_TOP_LEFT: &str = "╭";
pub const DOUBLE_TOP_LEFT: &str = "╔";
pub const THICK_TOP_LEFT: &str = "┏";
pub const BOTTOM_RIGHT: &str = "┘";
pub const ROUNDED_BOTTOM_RIGHT: &str = "╯";
pub const DOUBLE_BOTTOM_RIGHT: &str = "╝";
pub const THICK_BOTTOM_RIGHT: &str = "┛";
pub const BOTTOM_LEFT: &str = "└";
pub const ROUNDED_BOTTOM_LEFT: &str = "╰";
pub const DOUBLE_BOTTOM_LEFT: &str = "╚";
pub const THICK_BOTTOM_LEFT: &str = "┗";
pub const VERTICAL_LEFT: &str = "┤";
pub const DOUBLE_VERTICAL_LEFT: &str = "╣";
pub const THICK_VERTICAL_LEFT: &str = "┫";
pub const VERTICAL_RIGHT: &str = "├";
pub const DOUBLE_VERTICAL_RIGHT: &str = "╠";
pub const THICK_VERTICAL_RIGHT: &str = "┣";
pub const HORIZONTAL_DOWN: &str = "┬";
pub const DOUBLE_HORIZONTAL_DOWN: &str = "╦";
pub const THICK_HORIZONTAL_DOWN: &str = "┳";
pub const HORIZONTAL_UP: &str = "┴";
pub const DOUBLE_HORIZONTAL_UP: &str = "╩";
pub const THICK_HORIZONTAL_UP: &str = "┻";
pub const CROSS: &str = "┼";
pub const DOUBLE_CROSS: &str = "╬";
pub const THICK_CROSS: &str = "╋";
pub struct Set {
pub vertical: &'static str,
pub horizontal: &'static str,
pub top_right: &'static str,
pub top_left: &'static str,
pub bottom_right: &'static str,
pub bottom_left: &'static str,
pub vertical_left: &'static str,
pub vertical_right: &'static str,
pub horizontal_down: &'static str,
pub horizontal_up: &'static str,
pub cross: &'static str,
}
pub const NORMAL: Set = Set {
vertical: VERTICAL,
horizontal: HORIZONTAL,
top_right: TOP_RIGHT,
top_left: TOP_LEFT,
bottom_right: BOTTOM_RIGHT,
bottom_left: BOTTOM_LEFT,
vertical_left: VERTICAL_LEFT,
vertical_right: VERTICAL_RIGHT,
horizontal_down: HORIZONTAL_DOWN,
horizontal_up: HORIZONTAL_UP,
cross: CROSS,
};
pub const ROUNDED: Set = Set {
top_right: ROUNDED_TOP_RIGHT,
top_left: ROUNDED_TOP_LEFT,
bottom_right: ROUNDED_BOTTOM_RIGHT,
bottom_left: ROUNDED_BOTTOM_LEFT,
..NORMAL
};
pub const DOUBLE: Set = Set {
vertical: DOUBLE_VERTICAL,
horizontal: DOUBLE_HORIZONTAL,
top_right: DOUBLE_TOP_RIGHT,
top_left: DOUBLE_TOP_LEFT,
bottom_right: DOUBLE_BOTTOM_RIGHT,
bottom_left: DOUBLE_BOTTOM_LEFT,
vertical_left: DOUBLE_VERTICAL_LEFT,
vertical_right: DOUBLE_VERTICAL_RIGHT,
horizontal_down: DOUBLE_HORIZONTAL_DOWN,
horizontal_up: DOUBLE_HORIZONTAL_UP,
cross: DOUBLE_CROSS,
};
pub const THICK: Set = Set {
vertical: THICK_VERTICAL,
horizontal: THICK_HORIZONTAL,
top_right: THICK_TOP_RIGHT,
top_left: THICK_TOP_LEFT,
bottom_right: THICK_BOTTOM_RIGHT,
bottom_left: THICK_BOTTOM_LEFT,
vertical_left: THICK_VERTICAL_LEFT,
vertical_right: THICK_VERTICAL_RIGHT,
horizontal_down: THICK_HORIZONTAL_DOWN,
horizontal_up: THICK_HORIZONTAL_UP,
cross: THICK_CROSS,
};
}
pub const DOT: &str = "•";

69
src/widgets/block.rs
View file

@ -9,6 +9,18 @@ pub enum BorderType {
Plain,
Rounded,
Double,
Thick,
}
impl BorderType {
pub fn line_symbols(border_type: BorderType) -> line::Set {
match border_type {
BorderType::Plain => line::NORMAL,
BorderType::Rounded => line::ROUNDED,
BorderType::Double => line::DOUBLE,
BorderType::Thick => line::THICK,
}
}
}
/// Base widget to be used with all upper level ones. It may be used to display a box border around
@ -120,50 +132,35 @@ impl<'a> Widget for Block<'a> {
buf.set_background(area, self.style.bg);
let symbols = BorderType::line_symbols(self.border_type);
// Sides
if self.borders.intersects(Borders::LEFT) {
let symbol = match self.border_type {
BorderType::Double => line::DOUBLE_VERTICAL,
_ => line::VERTICAL,
};
for y in area.top()..area.bottom() {
buf.get_mut(area.left(), y)
.set_symbol(symbol)
.set_symbol(symbols.vertical)
.set_style(self.border_style);
}
}
if self.borders.intersects(Borders::TOP) {
let symbol = match self.border_type {
BorderType::Double => line::DOUBLE_HORIZONTAL,
_ => line::HORIZONTAL,
};
for x in area.left()..area.right() {
buf.get_mut(x, area.top())
.set_symbol(symbol)
.set_symbol(symbols.horizontal)
.set_style(self.border_style);
}
}
if self.borders.intersects(Borders::RIGHT) {
let x = area.right() - 1;
let symbol = match self.border_type {
BorderType::Double => line::DOUBLE_VERTICAL,
_ => line::VERTICAL,
};
for y in area.top()..area.bottom() {
buf.get_mut(x, y)
.set_symbol(symbol)
.set_symbol(symbols.vertical)
.set_style(self.border_style);
}
}
if self.borders.intersects(Borders::BOTTOM) {
let y = area.bottom() - 1;
let symbol = match self.border_type {
BorderType::Double => line::DOUBLE_HORIZONTAL,
_ => line::HORIZONTAL,
};
for x in area.left()..area.right() {
buf.get_mut(x, y)
.set_symbol(symbol)
.set_symbol(symbols.horizontal)
.set_style(self.border_style);
}
}
@ -171,46 +168,22 @@ impl<'a> Widget for Block<'a> {
// Corners
if self.borders.contains(Borders::LEFT | Borders::TOP) {
buf.get_mut(area.left(), area.top())
.set_symbol({
match self.border_type {
BorderType::Double => line::DOUBLE_TOP_LEFT,
BorderType::Rounded => line::ROUNDED_TOP_LEFT,
_ => line::TOP_LEFT,
}
})
.set_symbol(symbols.top_left)
.set_style(self.border_style);
}
if self.borders.contains(Borders::RIGHT | Borders::TOP) {
buf.get_mut(area.right() - 1, area.top())
.set_symbol({
match self.border_type {
BorderType::Double => line::DOUBLE_TOP_RIGHT,
BorderType::Rounded => line::ROUNDED_TOP_RIGHT,
_ => line::TOP_RIGHT,
}
})
.set_symbol(symbols.top_right)
.set_style(self.border_style);
}
if self.borders.contains(Borders::LEFT | Borders::BOTTOM) {
buf.get_mut(area.left(), area.bottom() - 1)
.set_symbol({
match self.border_type {
BorderType::Double => line::DOUBLE_BOTTOM_LEFT,
BorderType::Rounded => line::ROUNDED_BOTTOM_LEFT,
_ => line::BOTTOM_LEFT,
}
})
.set_symbol(symbols.bottom_left)
.set_style(self.border_style);
}
if self.borders.contains(Borders::RIGHT | Borders::BOTTOM) {
buf.get_mut(area.right() - 1, area.bottom() - 1)
.set_symbol({
match self.border_type {
BorderType::Double => line::DOUBLE_BOTTOM_RIGHT,
BorderType::Rounded => line::ROUNDED_BOTTOM_RIGHT,
_ => line::BOTTOM_RIGHT,
}
})
.set_symbol(symbols.bottom_right)
.set_style(self.border_style);
}