878 lines
29 KiB
Rust
878 lines
29 KiB
Rust
use alacritty_terminal::{
|
|
ansi::{Color as AnsiColor, Color::Named, NamedColor},
|
|
grid::{Dimensions, Scroll},
|
|
index::{Column as GridCol, Line as GridLine, Point, Side},
|
|
selection::SelectionRange,
|
|
term::cell::{Cell, Flags},
|
|
};
|
|
use editor::{Cursor, CursorShape, HighlightedRange, HighlightedRangeLine};
|
|
use gpui::{
|
|
color::Color,
|
|
elements::*,
|
|
fonts::{Properties, Style::Italic, TextStyle, Underline, Weight},
|
|
geometry::{
|
|
rect::RectF,
|
|
vector::{vec2f, Vector2F},
|
|
},
|
|
json::json,
|
|
text_layout::{Line, RunStyle},
|
|
Event, FontCache, KeyDownEvent, MouseButton, MouseButtonEvent, MouseMovedEvent, MouseRegion,
|
|
PaintContext, Quad, ScrollWheelEvent, TextLayoutCache, WeakModelHandle, WeakViewHandle,
|
|
};
|
|
use itertools::Itertools;
|
|
use ordered_float::OrderedFloat;
|
|
use settings::Settings;
|
|
use theme::TerminalStyle;
|
|
use util::ResultExt;
|
|
|
|
use std::{
|
|
cmp::min,
|
|
mem,
|
|
ops::{Deref, Range},
|
|
};
|
|
use std::{fmt::Debug, ops::Sub};
|
|
|
|
use crate::{
|
|
connected_view::ConnectedView, mappings::colors::convert_color, Terminal, TerminalSize,
|
|
};
|
|
|
|
///Scrolling is unbearably sluggish by default. Alacritty supports a configurable
|
|
///Scroll multiplier that is set to 3 by default. This will be removed when I
|
|
///Implement scroll bars.
|
|
pub const ALACRITTY_SCROLL_MULTIPLIER: f32 = 3.;
|
|
|
|
///The information generated during layout that is nescessary for painting
|
|
pub struct LayoutState {
|
|
cells: Vec<LayoutCell>,
|
|
rects: Vec<LayoutRect>,
|
|
highlights: Vec<RelativeHighlightedRange>,
|
|
cursor: Option<Cursor>,
|
|
background_color: Color,
|
|
selection_color: Color,
|
|
size: TerminalSize,
|
|
display_offset: usize,
|
|
}
|
|
|
|
struct IndexedCell {
|
|
point: Point,
|
|
cell: Cell,
|
|
}
|
|
|
|
impl Deref for IndexedCell {
|
|
type Target = Cell;
|
|
|
|
#[inline]
|
|
fn deref(&self) -> &Cell {
|
|
&self.cell
|
|
}
|
|
}
|
|
|
|
///Helper struct for converting data between alacritty's cursor points, and displayed cursor points
|
|
struct DisplayCursor {
|
|
line: i32,
|
|
col: usize,
|
|
}
|
|
|
|
impl DisplayCursor {
|
|
fn from(cursor_point: Point, display_offset: usize) -> Self {
|
|
Self {
|
|
line: cursor_point.line.0 + display_offset as i32,
|
|
col: cursor_point.column.0,
|
|
}
|
|
}
|
|
|
|
pub fn line(&self) -> i32 {
|
|
self.line
|
|
}
|
|
|
|
pub fn col(&self) -> usize {
|
|
self.col
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Debug, Default)]
|
|
struct LayoutCell {
|
|
point: Point<i32, i32>,
|
|
text: Line,
|
|
}
|
|
|
|
impl LayoutCell {
|
|
fn new(point: Point<i32, i32>, text: Line) -> LayoutCell {
|
|
LayoutCell { point, text }
|
|
}
|
|
|
|
fn paint(
|
|
&self,
|
|
origin: Vector2F,
|
|
layout: &LayoutState,
|
|
visible_bounds: RectF,
|
|
cx: &mut PaintContext,
|
|
) {
|
|
let pos = point_to_absolute(origin, self.point, layout);
|
|
self.text
|
|
.paint(pos, visible_bounds, layout.size.line_height, cx);
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Debug, Default)]
|
|
struct LayoutRect {
|
|
point: Point<i32, i32>,
|
|
num_of_cells: usize,
|
|
color: Color,
|
|
}
|
|
|
|
impl LayoutRect {
|
|
fn new(point: Point<i32, i32>, num_of_cells: usize, color: Color) -> LayoutRect {
|
|
LayoutRect {
|
|
point,
|
|
num_of_cells,
|
|
color,
|
|
}
|
|
}
|
|
|
|
fn extend(&self) -> Self {
|
|
LayoutRect {
|
|
point: self.point,
|
|
num_of_cells: self.num_of_cells + 1,
|
|
color: self.color,
|
|
}
|
|
}
|
|
|
|
fn paint(&self, origin: Vector2F, layout: &LayoutState, cx: &mut PaintContext) {
|
|
let position = point_to_absolute(origin, self.point, layout);
|
|
|
|
let size = vec2f(
|
|
(layout.size.cell_width.ceil() * self.num_of_cells as f32).ceil(),
|
|
layout.size.line_height,
|
|
);
|
|
|
|
cx.scene.push_quad(Quad {
|
|
bounds: RectF::new(position, size),
|
|
background: Some(self.color),
|
|
border: Default::default(),
|
|
corner_radius: 0.,
|
|
})
|
|
}
|
|
}
|
|
|
|
fn point_to_absolute(origin: Vector2F, point: Point<i32, i32>, layout: &LayoutState) -> Vector2F {
|
|
vec2f(
|
|
(origin.x() + point.column as f32 * layout.size.cell_width).floor(),
|
|
origin.y() + point.line as f32 * layout.size.line_height,
|
|
)
|
|
}
|
|
|
|
#[derive(Clone, Debug, Default)]
|
|
struct RelativeHighlightedRange {
|
|
line_index: usize,
|
|
range: Range<usize>,
|
|
}
|
|
|
|
impl RelativeHighlightedRange {
|
|
fn new(line_index: usize, range: Range<usize>) -> Self {
|
|
RelativeHighlightedRange { line_index, range }
|
|
}
|
|
|
|
fn to_highlighted_range_line(
|
|
&self,
|
|
origin: Vector2F,
|
|
layout: &LayoutState,
|
|
) -> HighlightedRangeLine {
|
|
let start_x = origin.x() + self.range.start as f32 * layout.size.cell_width;
|
|
let end_x =
|
|
origin.x() + self.range.end as f32 * layout.size.cell_width + layout.size.cell_width;
|
|
|
|
return HighlightedRangeLine { start_x, end_x };
|
|
}
|
|
}
|
|
|
|
///The GPUI element that paints the terminal.
|
|
///We need to keep a reference to the view for mouse events, do we need it for any other terminal stuff, or can we move that to connection?
|
|
pub struct TerminalEl {
|
|
terminal: WeakModelHandle<Terminal>,
|
|
view: WeakViewHandle<ConnectedView>,
|
|
modal: bool,
|
|
}
|
|
|
|
impl TerminalEl {
|
|
pub fn new(
|
|
view: WeakViewHandle<ConnectedView>,
|
|
terminal: WeakModelHandle<Terminal>,
|
|
modal: bool,
|
|
) -> TerminalEl {
|
|
TerminalEl {
|
|
view,
|
|
terminal,
|
|
modal,
|
|
}
|
|
}
|
|
|
|
fn layout_grid(
|
|
grid: Vec<IndexedCell>,
|
|
text_style: &TextStyle,
|
|
terminal_theme: &TerminalStyle,
|
|
text_layout_cache: &TextLayoutCache,
|
|
font_cache: &FontCache,
|
|
modal: bool,
|
|
selection_range: Option<SelectionRange>,
|
|
) -> (
|
|
Vec<LayoutCell>,
|
|
Vec<LayoutRect>,
|
|
Vec<RelativeHighlightedRange>,
|
|
) {
|
|
let mut cells = vec![];
|
|
let mut rects = vec![];
|
|
let mut highlight_ranges = vec![];
|
|
|
|
let mut cur_rect: Option<LayoutRect> = None;
|
|
let mut cur_alac_color = None;
|
|
let mut highlighted_range = None;
|
|
|
|
let linegroups = grid.into_iter().group_by(|i| i.point.line);
|
|
for (line_index, (_, line)) in linegroups.into_iter().enumerate() {
|
|
for (x_index, cell) in line.enumerate() {
|
|
let mut fg = cell.fg;
|
|
let mut bg = cell.bg;
|
|
if cell.flags.contains(Flags::INVERSE) {
|
|
mem::swap(&mut fg, &mut bg);
|
|
}
|
|
|
|
//Increase selection range
|
|
{
|
|
if selection_range
|
|
.map(|range| range.contains(cell.point))
|
|
.unwrap_or(false)
|
|
{
|
|
let mut range = highlighted_range.take().unwrap_or(x_index..x_index);
|
|
range.end = range.end.max(x_index);
|
|
highlighted_range = Some(range);
|
|
}
|
|
}
|
|
|
|
//Expand background rect range
|
|
{
|
|
if matches!(bg, Named(NamedColor::Background)) {
|
|
//Continue to next cell, resetting variables if nescessary
|
|
cur_alac_color = None;
|
|
if let Some(rect) = cur_rect {
|
|
rects.push(rect);
|
|
cur_rect = None
|
|
}
|
|
} else {
|
|
match cur_alac_color {
|
|
Some(cur_color) => {
|
|
if bg == cur_color {
|
|
cur_rect = cur_rect.take().map(|rect| rect.extend());
|
|
} else {
|
|
cur_alac_color = Some(bg);
|
|
if let Some(_) = cur_rect {
|
|
rects.push(cur_rect.take().unwrap());
|
|
}
|
|
cur_rect = Some(LayoutRect::new(
|
|
Point::new(line_index as i32, cell.point.column.0 as i32),
|
|
1,
|
|
convert_color(&bg, &terminal_theme.colors, modal),
|
|
));
|
|
}
|
|
}
|
|
None => {
|
|
cur_alac_color = Some(bg);
|
|
cur_rect = Some(LayoutRect::new(
|
|
Point::new(line_index as i32, cell.point.column.0 as i32),
|
|
1,
|
|
convert_color(&bg, &terminal_theme.colors, modal),
|
|
));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//Layout current cell text
|
|
{
|
|
let cell_text = &cell.c.to_string();
|
|
if cell_text != " " {
|
|
let cell_style = TerminalEl::cell_style(
|
|
&cell,
|
|
fg,
|
|
terminal_theme,
|
|
text_style,
|
|
font_cache,
|
|
modal,
|
|
);
|
|
|
|
let layout_cell = text_layout_cache.layout_str(
|
|
cell_text,
|
|
text_style.font_size,
|
|
&[(cell_text.len(), cell_style)],
|
|
);
|
|
|
|
cells.push(LayoutCell::new(
|
|
Point::new(line_index as i32, cell.point.column.0 as i32),
|
|
layout_cell,
|
|
))
|
|
}
|
|
};
|
|
}
|
|
|
|
if highlighted_range.is_some() {
|
|
highlight_ranges.push(RelativeHighlightedRange::new(
|
|
line_index,
|
|
highlighted_range.take().unwrap(),
|
|
))
|
|
}
|
|
|
|
if cur_rect.is_some() {
|
|
rects.push(cur_rect.take().unwrap());
|
|
}
|
|
}
|
|
|
|
(cells, rects, highlight_ranges)
|
|
}
|
|
|
|
// Compute the cursor position and expected block width, may return a zero width if x_for_index returns
|
|
// the same position for sequential indexes. Use em_width instead
|
|
fn shape_cursor(
|
|
cursor_point: DisplayCursor,
|
|
size: TerminalSize,
|
|
text_fragment: &Line,
|
|
) -> Option<(Vector2F, f32)> {
|
|
if cursor_point.line() < size.total_lines() as i32 {
|
|
let cursor_width = if text_fragment.width() == 0. {
|
|
size.cell_width()
|
|
} else {
|
|
text_fragment.width()
|
|
};
|
|
|
|
Some((
|
|
vec2f(
|
|
cursor_point.col() as f32 * size.cell_width(),
|
|
cursor_point.line() as f32 * size.line_height(),
|
|
),
|
|
cursor_width,
|
|
))
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
///Convert the Alacritty cell styles to GPUI text styles and background color
|
|
fn cell_style(
|
|
indexed: &IndexedCell,
|
|
fg: AnsiColor,
|
|
style: &TerminalStyle,
|
|
text_style: &TextStyle,
|
|
font_cache: &FontCache,
|
|
modal: bool,
|
|
) -> RunStyle {
|
|
let flags = indexed.cell.flags;
|
|
let fg = convert_color(&fg, &style.colors, modal);
|
|
|
|
let underline = flags
|
|
.contains(
|
|
Flags::UNDERLINE
|
|
| Flags::DOUBLE_UNDERLINE
|
|
| Flags::DOTTED_UNDERLINE
|
|
| Flags::DASHED_UNDERLINE
|
|
| Flags::UNDERCURL
|
|
| Flags::ALL_UNDERLINES,
|
|
)
|
|
.then(|| Underline {
|
|
color: Some(fg),
|
|
squiggly: flags.contains(Flags::UNDERCURL),
|
|
thickness: OrderedFloat(1.),
|
|
})
|
|
.unwrap_or_default();
|
|
|
|
let mut properties = Properties::new();
|
|
if indexed
|
|
.flags
|
|
.contains(Flags::BOLD | Flags::BOLD_ITALIC | Flags::DIM_BOLD)
|
|
{
|
|
properties = *properties.weight(Weight::BOLD);
|
|
}
|
|
if indexed.flags.contains(Flags::ITALIC | Flags::BOLD_ITALIC) {
|
|
properties = *properties.style(Italic);
|
|
}
|
|
|
|
let font_id = font_cache
|
|
.select_font(text_style.font_family_id, &properties)
|
|
.unwrap_or(text_style.font_id);
|
|
|
|
RunStyle {
|
|
color: fg,
|
|
font_id: font_id,
|
|
underline,
|
|
}
|
|
}
|
|
|
|
fn attach_mouse_handlers(
|
|
&self,
|
|
origin: Vector2F,
|
|
view_id: usize,
|
|
visible_bounds: RectF,
|
|
cur_size: TerminalSize,
|
|
display_offset: usize,
|
|
cx: &mut PaintContext,
|
|
) {
|
|
let mouse_down_connection = self.terminal.clone();
|
|
let click_connection = self.terminal.clone();
|
|
let drag_connection = self.terminal.clone();
|
|
cx.scene.push_mouse_region(
|
|
MouseRegion::new(view_id, None, visible_bounds)
|
|
.on_down(
|
|
MouseButton::Left,
|
|
move |MouseButtonEvent { position, .. }, cx| {
|
|
if let Some(conn_handle) = mouse_down_connection.upgrade(cx.app) {
|
|
conn_handle.update(cx.app, |terminal, cx| {
|
|
let (point, side) = TerminalEl::mouse_to_cell_data(
|
|
position,
|
|
origin,
|
|
cur_size,
|
|
display_offset,
|
|
);
|
|
|
|
terminal.mouse_down(point, side);
|
|
|
|
cx.notify();
|
|
})
|
|
}
|
|
},
|
|
)
|
|
.on_click(
|
|
MouseButton::Left,
|
|
move |MouseButtonEvent {
|
|
position,
|
|
click_count,
|
|
..
|
|
},
|
|
cx| {
|
|
cx.focus_parent_view();
|
|
if let Some(conn_handle) = click_connection.upgrade(cx.app) {
|
|
conn_handle.update(cx.app, |terminal, cx| {
|
|
let (point, side) = TerminalEl::mouse_to_cell_data(
|
|
position,
|
|
origin,
|
|
cur_size,
|
|
display_offset,
|
|
);
|
|
|
|
terminal.click(point, side, click_count);
|
|
|
|
cx.notify();
|
|
});
|
|
}
|
|
},
|
|
)
|
|
.on_drag(
|
|
MouseButton::Left,
|
|
move |_, MouseMovedEvent { position, .. }, cx| {
|
|
if let Some(conn_handle) = drag_connection.upgrade(cx.app) {
|
|
conn_handle.update(cx.app, |terminal, cx| {
|
|
let (point, side) = TerminalEl::mouse_to_cell_data(
|
|
position,
|
|
origin,
|
|
cur_size,
|
|
display_offset,
|
|
);
|
|
|
|
terminal.drag(point, side);
|
|
|
|
cx.notify()
|
|
});
|
|
}
|
|
},
|
|
),
|
|
);
|
|
}
|
|
|
|
///Configures a text style from the current settings.
|
|
pub fn make_text_style(font_cache: &FontCache, settings: &Settings) -> TextStyle {
|
|
// Pull the font family from settings properly overriding
|
|
let family_id = settings
|
|
.terminal_overrides
|
|
.font_family
|
|
.as_ref()
|
|
.or_else(|| settings.terminal_defaults.font_family.as_ref())
|
|
.and_then(|family_name| font_cache.load_family(&[family_name]).log_err())
|
|
.unwrap_or(settings.buffer_font_family);
|
|
|
|
let font_size = settings
|
|
.terminal_overrides
|
|
.font_size
|
|
.or(settings.terminal_defaults.font_size)
|
|
.unwrap_or(settings.buffer_font_size);
|
|
|
|
let font_id = font_cache
|
|
.select_font(family_id, &Default::default())
|
|
.unwrap();
|
|
|
|
TextStyle {
|
|
color: settings.theme.editor.text_color,
|
|
font_family_id: family_id,
|
|
font_family_name: font_cache.family_name(family_id).unwrap(),
|
|
font_id,
|
|
font_size,
|
|
font_properties: Default::default(),
|
|
underline: Default::default(),
|
|
}
|
|
}
|
|
|
|
pub fn mouse_to_cell_data(
|
|
pos: Vector2F,
|
|
origin: Vector2F,
|
|
cur_size: TerminalSize,
|
|
display_offset: usize,
|
|
) -> (Point, alacritty_terminal::index::Direction) {
|
|
let pos = pos.sub(origin);
|
|
let point = {
|
|
let col = pos.x() / cur_size.cell_width; //TODO: underflow...
|
|
let col = min(GridCol(col as usize), cur_size.last_column());
|
|
|
|
let line = pos.y() / cur_size.line_height;
|
|
let line = min(line as i32, cur_size.bottommost_line().0);
|
|
|
|
Point::new(GridLine(line - display_offset as i32), col)
|
|
};
|
|
|
|
//Copied (with modifications) from alacritty/src/input.rs > Processor::cell_side()
|
|
let side = {
|
|
let x = pos.0.x() as usize;
|
|
let cell_x =
|
|
x.saturating_sub(cur_size.cell_width as usize) % cur_size.cell_width as usize;
|
|
let half_cell_width = (cur_size.cell_width / 2.0) as usize;
|
|
|
|
let additional_padding =
|
|
(cur_size.width() - cur_size.cell_width * 2.) % cur_size.cell_width;
|
|
let end_of_grid = cur_size.width() - cur_size.cell_width - additional_padding;
|
|
//Width: Pixels or columns?
|
|
if cell_x > half_cell_width
|
|
// Edge case when mouse leaves the window.
|
|
|| x as f32 >= end_of_grid
|
|
{
|
|
Side::Right
|
|
} else {
|
|
Side::Left
|
|
}
|
|
};
|
|
|
|
(point, side)
|
|
}
|
|
}
|
|
|
|
impl Element for TerminalEl {
|
|
type LayoutState = LayoutState;
|
|
type PaintState = ();
|
|
|
|
fn layout(
|
|
&mut self,
|
|
constraint: gpui::SizeConstraint,
|
|
cx: &mut gpui::LayoutContext,
|
|
) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
|
|
let settings = cx.global::<Settings>();
|
|
let font_cache = cx.font_cache();
|
|
|
|
//Setup layout information
|
|
let terminal_theme = settings.theme.terminal.clone(); //TODO: Try to minimize this clone.
|
|
let text_style = TerminalEl::make_text_style(font_cache, &settings);
|
|
let selection_color = settings.theme.editor.selection.selection;
|
|
let dimensions = {
|
|
let line_height = font_cache.line_height(text_style.font_size);
|
|
let cell_width = font_cache.em_advance(text_style.font_id, text_style.font_size);
|
|
TerminalSize::new(line_height, cell_width, constraint.max)
|
|
};
|
|
|
|
let background_color = if self.modal {
|
|
terminal_theme.colors.modal_background.clone()
|
|
} else {
|
|
terminal_theme.colors.background.clone()
|
|
};
|
|
|
|
let (cells, selection, cursor, display_offset, cursor_text) = self
|
|
.terminal
|
|
.upgrade(cx)
|
|
.unwrap()
|
|
.update(cx.app, |terminal, mcx| {
|
|
terminal.set_size(dimensions);
|
|
terminal.render_lock(mcx, |content, cursor_text| {
|
|
let mut cells = vec![];
|
|
cells.extend(
|
|
content
|
|
.display_iter
|
|
.filter(|ic| {
|
|
!ic.flags.contains(Flags::HIDDEN)
|
|
&& !(ic.bg == Named(NamedColor::Background)
|
|
&& ic.c == ' '
|
|
&& !ic.flags.contains(Flags::INVERSE))
|
|
})
|
|
.map(|ic| IndexedCell {
|
|
point: ic.point.clone(),
|
|
cell: ic.cell.clone(),
|
|
}),
|
|
);
|
|
|
|
(
|
|
cells,
|
|
content.selection.clone(),
|
|
content.cursor.clone(),
|
|
content.display_offset.clone(),
|
|
cursor_text.clone(),
|
|
)
|
|
})
|
|
});
|
|
|
|
let (cells, rects, highlights) = TerminalEl::layout_grid(
|
|
cells,
|
|
&text_style,
|
|
&terminal_theme,
|
|
cx.text_layout_cache,
|
|
cx.font_cache(),
|
|
self.modal,
|
|
selection,
|
|
);
|
|
|
|
//Layout cursor
|
|
let cursor = {
|
|
let cursor_point = DisplayCursor::from(cursor.point, display_offset);
|
|
let cursor_text = {
|
|
let str_trxt = cursor_text.to_string();
|
|
cx.text_layout_cache.layout_str(
|
|
&str_trxt,
|
|
text_style.font_size,
|
|
&[(
|
|
str_trxt.len(),
|
|
RunStyle {
|
|
font_id: text_style.font_id,
|
|
color: terminal_theme.colors.background,
|
|
underline: Default::default(),
|
|
},
|
|
)],
|
|
)
|
|
};
|
|
|
|
TerminalEl::shape_cursor(cursor_point, dimensions, &cursor_text).map(
|
|
move |(cursor_position, block_width)| {
|
|
Cursor::new(
|
|
cursor_position,
|
|
block_width,
|
|
dimensions.line_height,
|
|
terminal_theme.colors.cursor,
|
|
CursorShape::Block,
|
|
Some(cursor_text.clone()),
|
|
)
|
|
},
|
|
)
|
|
};
|
|
|
|
//Done!
|
|
(
|
|
constraint.max,
|
|
LayoutState {
|
|
cells,
|
|
cursor,
|
|
background_color,
|
|
selection_color,
|
|
size: dimensions,
|
|
rects,
|
|
highlights,
|
|
display_offset,
|
|
},
|
|
)
|
|
}
|
|
|
|
fn paint(
|
|
&mut self,
|
|
bounds: gpui::geometry::rect::RectF,
|
|
visible_bounds: gpui::geometry::rect::RectF,
|
|
layout: &mut Self::LayoutState,
|
|
cx: &mut gpui::PaintContext,
|
|
) -> Self::PaintState {
|
|
//Setup element stuff
|
|
let clip_bounds = Some(visible_bounds);
|
|
|
|
cx.paint_layer(clip_bounds, |cx| {
|
|
let origin = bounds.origin() + vec2f(layout.size.cell_width, 0.);
|
|
|
|
//Elements are ephemeral, only at paint time do we know what could be clicked by a mouse
|
|
self.attach_mouse_handlers(
|
|
origin,
|
|
self.view.id(),
|
|
visible_bounds,
|
|
layout.size,
|
|
layout.display_offset,
|
|
cx,
|
|
);
|
|
|
|
cx.paint_layer(clip_bounds, |cx| {
|
|
//Start with a background color
|
|
cx.scene.push_quad(Quad {
|
|
bounds: RectF::new(bounds.origin(), bounds.size()),
|
|
background: Some(layout.background_color),
|
|
border: Default::default(),
|
|
corner_radius: 0.,
|
|
});
|
|
|
|
for rect in &layout.rects {
|
|
rect.paint(origin, &layout, cx)
|
|
}
|
|
});
|
|
|
|
//Draw Selection
|
|
cx.paint_layer(clip_bounds, |cx| {
|
|
let start_y = layout.highlights.get(0).map(|highlight| {
|
|
origin.y() + highlight.line_index as f32 * layout.size.line_height
|
|
});
|
|
|
|
if let Some(y) = start_y {
|
|
let range_lines = layout
|
|
.highlights
|
|
.iter()
|
|
.map(|relative_highlight| {
|
|
relative_highlight.to_highlighted_range_line(origin, layout)
|
|
})
|
|
.collect::<Vec<HighlightedRangeLine>>();
|
|
|
|
let hr = HighlightedRange {
|
|
start_y: y, //Need to change this
|
|
line_height: layout.size.line_height,
|
|
lines: range_lines,
|
|
color: layout.selection_color,
|
|
//Copied from editor. TODO: move to theme or something
|
|
corner_radius: 0.15 * layout.size.line_height,
|
|
};
|
|
hr.paint(bounds, cx.scene);
|
|
}
|
|
});
|
|
|
|
//Draw the text cells
|
|
cx.paint_layer(clip_bounds, |cx| {
|
|
for cell in &layout.cells {
|
|
cell.paint(origin, layout, visible_bounds, cx);
|
|
}
|
|
});
|
|
|
|
//Draw cursor
|
|
if let Some(cursor) = &layout.cursor {
|
|
cx.paint_layer(clip_bounds, |cx| {
|
|
cursor.paint(origin, cx);
|
|
})
|
|
}
|
|
});
|
|
}
|
|
|
|
fn dispatch_event(
|
|
&mut self,
|
|
event: &gpui::Event,
|
|
_bounds: gpui::geometry::rect::RectF,
|
|
visible_bounds: gpui::geometry::rect::RectF,
|
|
layout: &mut Self::LayoutState,
|
|
_paint: &mut Self::PaintState,
|
|
cx: &mut gpui::EventContext,
|
|
) -> bool {
|
|
match event {
|
|
Event::ScrollWheel(ScrollWheelEvent {
|
|
delta, position, ..
|
|
}) => visible_bounds
|
|
.contains_point(*position)
|
|
.then(|| {
|
|
let vertical_scroll =
|
|
(delta.y() / layout.size.line_height) * ALACRITTY_SCROLL_MULTIPLIER;
|
|
|
|
self.terminal.upgrade(cx.app).map(|terminal| {
|
|
terminal.update(cx.app, |term, _| {
|
|
term.scroll(Scroll::Delta(vertical_scroll.round() as i32))
|
|
});
|
|
});
|
|
})
|
|
.is_some(),
|
|
Event::KeyDown(KeyDownEvent { keystroke, .. }) => {
|
|
if !cx.is_parent_view_focused() {
|
|
return false;
|
|
}
|
|
|
|
//TODO Talk to keith about how to catch events emitted from an element.
|
|
if let Some(view) = self.view.upgrade(cx.app) {
|
|
view.update(cx.app, |view, cx| view.clear_bel(cx))
|
|
}
|
|
|
|
self.terminal
|
|
.upgrade(cx.app)
|
|
.map(|model_handle| {
|
|
model_handle.update(cx.app, |term, _| term.try_keystroke(keystroke))
|
|
})
|
|
.unwrap_or(false)
|
|
}
|
|
_ => false,
|
|
}
|
|
}
|
|
|
|
fn metadata(&self) -> Option<&dyn std::any::Any> {
|
|
None
|
|
}
|
|
|
|
fn debug(
|
|
&self,
|
|
_bounds: gpui::geometry::rect::RectF,
|
|
_layout: &Self::LayoutState,
|
|
_paint: &Self::PaintState,
|
|
_cx: &gpui::DebugContext,
|
|
) -> gpui::serde_json::Value {
|
|
json!({
|
|
"type": "TerminalElement",
|
|
})
|
|
}
|
|
|
|
fn rect_for_text_range(
|
|
&self,
|
|
_: Range<usize>,
|
|
bounds: RectF,
|
|
_: RectF,
|
|
layout: &Self::LayoutState,
|
|
_: &Self::PaintState,
|
|
_: &gpui::MeasurementContext,
|
|
) -> Option<RectF> {
|
|
// Use the same origin that's passed to `Cursor::paint` in the paint
|
|
// method bove.
|
|
let mut origin = bounds.origin() + vec2f(layout.size.cell_width, 0.);
|
|
|
|
// TODO - Why is it necessary to move downward one line to get correct
|
|
// positioning? I would think that we'd want the same rect that is
|
|
// painted for the cursor.
|
|
origin += vec2f(0., layout.size.line_height);
|
|
|
|
Some(layout.cursor.as_ref()?.bounding_rect(origin))
|
|
}
|
|
}
|
|
|
|
mod test {
|
|
|
|
#[test]
|
|
fn test_mouse_to_selection() {
|
|
let term_width = 100.;
|
|
let term_height = 200.;
|
|
let cell_width = 10.;
|
|
let line_height = 20.;
|
|
let mouse_pos_x = 100.; //Window relative
|
|
let mouse_pos_y = 100.; //Window relative
|
|
let origin_x = 10.;
|
|
let origin_y = 20.;
|
|
|
|
let cur_size = crate::connected_el::TerminalSize::new(
|
|
line_height,
|
|
cell_width,
|
|
gpui::geometry::vector::vec2f(term_width, term_height),
|
|
);
|
|
|
|
let mouse_pos = gpui::geometry::vector::vec2f(mouse_pos_x, mouse_pos_y);
|
|
let origin = gpui::geometry::vector::vec2f(origin_x, origin_y); //Position of terminal window, 1 'cell' in
|
|
let (point, _) =
|
|
crate::connected_el::TerminalEl::mouse_to_cell_data(mouse_pos, origin, cur_size, 0);
|
|
assert_eq!(
|
|
point,
|
|
alacritty_terminal::index::Point::new(
|
|
alacritty_terminal::index::Line(((mouse_pos_y - origin_y) / line_height) as i32),
|
|
alacritty_terminal::index::Column(((mouse_pos_x - origin_x) / cell_width) as usize),
|
|
)
|
|
);
|
|
}
|
|
}
|