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authorTheodore Dubois <tblodt@icloud.com>2019-04-28 06:24:58 -0700
committerChristian Duerr <chrisduerr@users.noreply.github.com>2019-04-28 13:24:58 +0000
commitdbd8538762ef8968a493e1bf996e8693479ca783 (patch)
tree32ac2a6a5e01238a272d4ba534551d2e42903c7a /src/cursor.rs
parent9c6d12ea2c863ba76015bdedc00db13b7307725a (diff)
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Split alacritty into a separate crates
The crate containing the entry point is called alacritty, and the crate containing everything else is called alacritty_terminal.
Diffstat (limited to 'src/cursor.rs')
-rw-r--r--src/cursor.rs99
1 files changed, 0 insertions, 99 deletions
diff --git a/src/cursor.rs b/src/cursor.rs
deleted file mode 100644
index 196241a0..00000000
--- a/src/cursor.rs
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2016 Joe Wilm, The Alacritty Project Contributors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//! Helpers for creating different cursor glyphs from font metrics
-
-use std::cmp;
-
-use font::{Metrics, RasterizedGlyph};
-
-use crate::ansi::CursorStyle;
-
-/// Width/Height of the cursor relative to the font width
-pub const CURSOR_WIDTH_PERCENTAGE: i32 = 15;
-
-pub fn get_cursor_glyph(
- cursor: CursorStyle,
- metrics: Metrics,
- offset_x: i8,
- offset_y: i8,
- is_wide: bool,
-) -> RasterizedGlyph {
- // Calculate the cell metrics
- let height = metrics.line_height as i32 + i32::from(offset_y);
- let mut width = metrics.average_advance as i32 + i32::from(offset_x);
- let line_width = cmp::max(width * CURSOR_WIDTH_PERCENTAGE / 100, 1);
-
- // Double the cursor width if it's above a double-width glyph
- if is_wide {
- width *= 2;
- }
-
- match cursor {
- CursorStyle::HollowBlock => get_box_cursor_glyph(height, width, line_width),
- CursorStyle::Underline => get_underline_cursor_glyph(width, line_width),
- CursorStyle::Beam => get_beam_cursor_glyph(height, line_width),
- CursorStyle::Block => get_block_cursor_glyph(height, width),
- CursorStyle::Hidden => RasterizedGlyph::default(),
- }
-}
-
-// Returns a custom underline cursor character
-pub fn get_underline_cursor_glyph(width: i32, line_width: i32) -> RasterizedGlyph {
- // Create a new rectangle, the height is relative to the font width
- let buf = vec![255u8; (width * line_width * 3) as usize];
-
- // Create a custom glyph with the rectangle data attached to it
- RasterizedGlyph { c: ' ', top: line_width, left: 0, height: line_width, width, buf }
-}
-
-// Returns a custom beam cursor character
-pub fn get_beam_cursor_glyph(height: i32, line_width: i32) -> RasterizedGlyph {
- // Create a new rectangle that is at least one pixel wide
- let buf = vec![255u8; (line_width * height * 3) as usize];
-
- // Create a custom glyph with the rectangle data attached to it
- RasterizedGlyph { c: ' ', top: height, left: 0, height, width: line_width, buf }
-}
-
-// Returns a custom box cursor character
-pub fn get_box_cursor_glyph(height: i32, width: i32, line_width: i32) -> RasterizedGlyph {
- // Create a new box outline rectangle
- let mut buf = Vec::with_capacity((width * height * 3) as usize);
- for y in 0..height {
- for x in 0..width {
- if y < line_width
- || y >= height - line_width
- || x < line_width
- || x >= width - line_width
- {
- buf.append(&mut vec![255u8; 3]);
- } else {
- buf.append(&mut vec![0u8; 3]);
- }
- }
- }
-
- // Create a custom glyph with the rectangle data attached to it
- RasterizedGlyph { c: ' ', top: height, left: 0, height, width, buf }
-}
-
-// Returns a custom block cursor character
-pub fn get_block_cursor_glyph(height: i32, width: i32) -> RasterizedGlyph {
- // Create a completely filled glyph
- let buf = vec![255u8; (width * height * 3) as usize];
-
- // Create a custom glyph with the rectangle data attached to it
- RasterizedGlyph { c: ' ', top: height, left: 0, height, width, buf }
-}