1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
use std::cell::RefCell;
use std::collections::HashMap;
use ordered_float::NotNan;
use pangocairo::cairo::{self, ImageSurface};
use pangocairo::pango::{Alignment, FontDescription};
use smithay::backend::renderer::element::Kind;
use smithay::output::Output;
use smithay::reexports::gbm::Format as Fourcc;
use smithay::utils::Transform;
use crate::render_helpers::memory::MemoryBuffer;
use crate::render_helpers::primary_gpu_texture::PrimaryGpuTextureRenderElement;
use crate::render_helpers::renderer::NiriRenderer;
use crate::render_helpers::texture::{TextureBuffer, TextureRenderElement};
use crate::utils::{output_size, to_physical_precise_round};
const TEXT: &str = "Are you sure you want to exit niri?\n\n\
Press <span face='mono' bgcolor='#2C2C2C'> Enter </span> to confirm.";
const PADDING: i32 = 16;
const FONT: &str = "sans 14px";
const BORDER: i32 = 8;
pub struct ExitConfirmDialog {
is_open: bool,
buffers: RefCell<HashMap<NotNan<f64>, Option<MemoryBuffer>>>,
}
impl ExitConfirmDialog {
pub fn new() -> anyhow::Result<Self> {
Ok(Self {
is_open: false,
buffers: RefCell::new(HashMap::from([(
NotNan::new(1.).unwrap(),
Some(render(1.)?),
)])),
})
}
pub fn show(&mut self) -> bool {
if !self.is_open {
self.is_open = true;
true
} else {
false
}
}
pub fn hide(&mut self) -> bool {
if self.is_open {
self.is_open = false;
true
} else {
false
}
}
pub fn is_open(&self) -> bool {
self.is_open
}
pub fn render<R: NiriRenderer>(
&self,
renderer: &mut R,
output: &Output,
) -> Option<PrimaryGpuTextureRenderElement> {
if !self.is_open {
return None;
}
let scale = output.current_scale().fractional_scale();
let output_size = output_size(output);
let mut buffers = self.buffers.borrow_mut();
let fallback = buffers[&NotNan::new(1.).unwrap()].clone().unwrap();
let buffer = buffers
.entry(NotNan::new(scale).unwrap())
.or_insert_with(|| render(scale).ok());
let buffer = buffer.as_ref().unwrap_or(&fallback);
let size = buffer.logical_size();
let buffer = TextureBuffer::from_memory_buffer(renderer.as_gles_renderer(), buffer).ok()?;
let location = (output_size.to_f64().to_point() - size.to_point()).downscale(2.);
let mut location = location.to_physical_precise_round(scale).to_logical(scale);
location.x = f64::max(0., location.x);
location.y = f64::max(0., location.y);
let elem = TextureRenderElement::from_texture_buffer(
buffer,
location,
1.,
None,
None,
Kind::Unspecified,
);
Some(PrimaryGpuTextureRenderElement(elem))
}
}
fn render(scale: f64) -> anyhow::Result<MemoryBuffer> {
let _span = tracy_client::span!("exit_confirm_dialog::render");
let padding: i32 = to_physical_precise_round(scale, PADDING);
let mut font = FontDescription::from_string(FONT);
font.set_absolute_size(to_physical_precise_round(scale, font.size()));
let surface = ImageSurface::create(cairo::Format::ARgb32, 0, 0)?;
let cr = cairo::Context::new(&surface)?;
let layout = pangocairo::functions::create_layout(&cr);
layout.context().set_round_glyph_positions(false);
layout.set_font_description(Some(&font));
layout.set_alignment(Alignment::Center);
layout.set_markup(TEXT);
let (mut width, mut height) = layout.pixel_size();
width += padding * 2;
height += padding * 2;
let surface = ImageSurface::create(cairo::Format::ARgb32, width, height)?;
let cr = cairo::Context::new(&surface)?;
cr.set_source_rgb(0.1, 0.1, 0.1);
cr.paint()?;
cr.move_to(padding.into(), padding.into());
let layout = pangocairo::functions::create_layout(&cr);
layout.context().set_round_glyph_positions(false);
layout.set_font_description(Some(&font));
layout.set_alignment(Alignment::Center);
layout.set_markup(TEXT);
cr.set_source_rgb(1., 1., 1.);
pangocairo::functions::show_layout(&cr, &layout);
cr.move_to(0., 0.);
cr.line_to(width.into(), 0.);
cr.line_to(width.into(), height.into());
cr.line_to(0., height.into());
cr.line_to(0., 0.);
cr.set_source_rgb(1., 0.3, 0.3);
// Keep the border width even to avoid blurry edges.
cr.set_line_width((f64::from(BORDER) / 2. * scale).round() * 2.);
cr.stroke()?;
drop(cr);
let data = surface.take_data().unwrap();
let buffer = MemoryBuffer::new(
data.to_vec(),
Fourcc::Argb8888,
(width, height),
scale,
Transform::Normal,
);
Ok(buffer)
}
|
