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x11: HiDPI support (#11140)

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Fixes https://github.com/zed-industries/zed/issues/11121

Release Notes:

- N/A
This commit is contained in:
apricotbucket28
2024-04-29 16:07:54 -07:00
committed by GitHub
parent a765535557
commit 6ab9c3c3ab
3 changed files with 83 additions and 20 deletions
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crates/gpui/Cargo.toml
+7 -1
View File
@@ -114,7 +114,13 @@ wayland-protocols = { version = "0.31.2", features = [
oo7 = "0.3.0"
open = "5.1.2"
filedescriptor = "0.8.2"
x11rb = { version = "0.13.0", features = ["allow-unsafe-code", "xkb", "randr", "xinput"] }
x11rb = { version = "0.13.0", features = [
"allow-unsafe-code",
"xkb",
"randr",
"xinput",
"resource_manager",
] }
xkbcommon = { version = "0.7", features = ["wayland", "x11"] }
[target.'cfg(windows)'.dependencies]
crates/gpui/src/platform/linux/x11/client.rs
+60 -15
View File
@@ -16,6 +16,7 @@ use x11rb::protocol::xinput::{ConnectionExt, ScrollClass};
use x11rb::protocol::xkb::ConnectionExt as _;
use x11rb::protocol::xproto::ConnectionExt as _;
use x11rb::protocol::{randr, xinput, xkb, xproto, Event};
use x11rb::resource_manager::Database;
use x11rb::xcb_ffi::XCBConnection;
use xkbc::x11::ffi::{XKB_X11_MIN_MAJOR_XKB_VERSION, XKB_X11_MIN_MINOR_XKB_VERSION};
use xkbcommon::xkb as xkbc;
@@ -23,9 +24,9 @@ use xkbcommon::xkb as xkbc;
use crate::platform::linux::LinuxClient;
use crate::platform::{LinuxCommon, PlatformWindow};
use crate::{
modifiers_from_xinput_info, px, AnyWindowHandle, Bounds, CursorStyle, DisplayId, Modifiers,
ModifiersChangedEvent, Pixels, PlatformDisplay, PlatformInput, Point, ScrollDelta, Size,
TouchPhase, WindowParams, X11Window,
modifiers_from_xinput_info, point, px, AnyWindowHandle, Bounds, CursorStyle, DisplayId,
Modifiers, ModifiersChangedEvent, Pixels, PlatformDisplay, PlatformInput, Point, ScrollDelta,
Size, TouchPhase, WindowParams, X11Window,
};
use super::{super::SCROLL_LINES, X11Display, X11WindowStatePtr, XcbAtoms};
@@ -58,8 +59,11 @@ pub struct X11ClientState {
pub(crate) last_location: Point<Pixels>,
pub(crate) current_count: usize,
pub(crate) scale_factor: f32,
pub(crate) xcb_connection: Rc<XCBConnection>,
pub(crate) x_root_index: usize,
pub(crate) resource_database: Database,
pub(crate) atoms: XcbAtoms,
pub(crate) windows: HashMap<xproto::Window, WindowRef>,
pub(crate) focused_window: Option<xproto::Window>,
@@ -178,6 +182,31 @@ impl X11Client {
xkbc::x11::state_new_from_device(&xkb_keymap, &xcb_connection, xkb_device_id)
};
let screen = xcb_connection.setup().roots.get(x_root_index).unwrap();
// Values from `Database::GET_RESOURCE_DATABASE`
let resource_manager = xcb_connection
.get_property(
false,
screen.root,
xproto::AtomEnum::RESOURCE_MANAGER,
xproto::AtomEnum::STRING,
0,
100_000_000,
)
.unwrap();
let resource_manager = resource_manager.reply().unwrap();
// todo(linux): read hostname
let resource_database = Database::new_from_default(&resource_manager, "HOSTNAME".into());
let scale_factor = resource_database
.get_value("Xft.dpi", "Xft.dpi")
.ok()
.flatten()
.map(|dpi: f32| dpi / 96.0)
.unwrap_or(1.0);
let clipboard = X11ClipboardContext::<Clipboard>::new().unwrap();
let primary = X11ClipboardContext::<Primary>::new().unwrap();
@@ -212,9 +241,11 @@ impl X11Client {
last_click: Instant::now(),
last_location: Point::new(px(0.0), px(0.0)),
current_count: 0,
scale_factor,
xcb_connection,
x_root_index,
resource_database,
atoms,
windows: HashMap::default(),
focused_window: None,
@@ -345,8 +376,10 @@ impl X11Client {
let mut state = self.0.borrow_mut();
let modifiers = modifiers_from_state(event.state);
let position =
Point::new((event.event_x as f32).into(), (event.event_y as f32).into());
let position = point(
px(event.event_x as f32 / state.scale_factor),
px(event.event_y as f32 / state.scale_factor),
);
if let Some(button) = button_of_key(event.detail) {
let click_elapsed = state.last_click.elapsed();
@@ -378,8 +411,10 @@ impl X11Client {
let window = self.get_window(event.event)?;
let state = self.0.borrow();
let modifiers = modifiers_from_state(event.state);
let position =
Point::new((event.event_x as f32).into(), (event.event_y as f32).into());
let position = point(
px(event.event_x as f32 / state.scale_factor),
px(event.event_y as f32 / state.scale_factor),
);
if let Some(button) = button_of_key(event.detail) {
let click_count = state.current_count;
drop(state);
@@ -393,11 +428,12 @@ impl X11Client {
}
Event::XinputMotion(event) => {
let window = self.get_window(event.event)?;
let position = Point::new(
(event.event_x as f32 / u16::MAX as f32).into(),
(event.event_y as f32 / u16::MAX as f32).into(),
let state = self.0.borrow();
let position = point(
px(event.event_x as f32 / u16::MAX as f32 / state.scale_factor),
px(event.event_y as f32 / u16::MAX as f32 / state.scale_factor),
);
drop(state);
let modifiers = modifiers_from_xinput_info(event.mods);
let axisvalues = event
@@ -471,10 +507,14 @@ impl X11Client {
}
Event::MotionNotify(event) => {
let window = self.get_window(event.event)?;
let state = self.0.borrow();
let pressed_button = super::button_from_state(event.state);
let position =
Point::new((event.event_x as f32).into(), (event.event_y as f32).into());
let position = point(
px(event.event_x as f32 / state.scale_factor),
px(event.event_y as f32 / state.scale_factor),
);
let modifiers = modifiers_from_state(event.state);
drop(state);
window.handle_input(PlatformInput::MouseMove(crate::MouseMoveEvent {
pressed_button,
position,
@@ -483,10 +523,14 @@ impl X11Client {
}
Event::LeaveNotify(event) => {
let window = self.get_window(event.event)?;
let state = self.0.borrow();
let pressed_button = super::button_from_state(event.state);
let position =
Point::new((event.event_x as f32).into(), (event.event_y as f32).into());
let position = point(
px(event.event_x as f32 / state.scale_factor),
px(event.event_y as f32 / state.scale_factor),
);
let modifiers = modifiers_from_state(event.state);
drop(state);
window.handle_input(PlatformInput::MouseExited(crate::MouseExitEvent {
pressed_button,
position,
@@ -553,6 +597,7 @@ impl LinuxClient for X11Client {
state.x_root_index,
x_window,
&state.atoms,
state.scale_factor,
);
let screen_resources = state
crates/gpui/src/platform/linux/x11/window.rs
+16 -4
View File
@@ -17,6 +17,7 @@ use x11rb::{
xinput,
xproto::{self, ConnectionExt as _, CreateWindowAux},
},
resource_manager::Database,
wrapper::ConnectionExt,
xcb_ffi::XCBConnection,
};
@@ -27,6 +28,7 @@ use std::{
iter::Zip,
mem,
num::NonZeroU32,
ops::Div,
ptr::NonNull,
rc::Rc,
sync::{self, Arc},
@@ -128,6 +130,7 @@ impl rwh::HasDisplayHandle for X11Window {
}
impl X11WindowState {
#[allow(clippy::too_many_arguments)]
pub fn new(
client: X11ClientStatePtr,
executor: ForegroundExecutor,
@@ -136,6 +139,7 @@ impl X11WindowState {
x_main_screen_index: usize,
x_window: xproto::Window,
atoms: &XcbAtoms,
scale_factor: f32,
) -> Self {
let x_screen_index = params
.display_id
@@ -246,7 +250,7 @@ impl X11WindowState {
display: Rc::new(X11Display::new(xcb_connection, x_screen_index).unwrap()),
raw,
bounds: params.bounds.map(|v| v.0),
scale_factor: 1.0,
scale_factor,
renderer: BladeRenderer::new(gpu, gpu_extent),
atoms: *atoms,
@@ -291,6 +295,7 @@ impl Drop for X11Window {
}
impl X11Window {
#[allow(clippy::too_many_arguments)]
pub fn new(
client: X11ClientStatePtr,
executor: ForegroundExecutor,
@@ -299,6 +304,7 @@ impl X11Window {
x_main_screen_index: usize,
x_window: xproto::Window,
atoms: &XcbAtoms,
scale_factor: f32,
) -> Self {
Self(X11WindowStatePtr {
state: Rc::new(RefCell::new(X11WindowState::new(
@@ -309,6 +315,7 @@ impl X11Window {
x_main_screen_index,
x_window,
atoms,
scale_factor,
))),
callbacks: Rc::new(RefCell::new(Callbacks::default())),
xcb_connection: xcb_connection.clone(),
@@ -402,7 +409,7 @@ impl X11WindowStatePtr {
impl PlatformWindow for X11Window {
fn bounds(&self) -> Bounds<DevicePixels> {
self.0.state.borrow_mut().bounds.map(|v| v.into())
self.0.state.borrow().bounds.map(|v| v.into())
}
// todo(linux)
@@ -416,11 +423,16 @@ impl PlatformWindow for X11Window {
}
fn content_size(&self) -> Size<Pixels> {
self.0.state.borrow_mut().content_size()
// We divide by the scale factor here because this value is queried to determine how much to draw,
// but it will be multiplied later by the scale to adjust for scaling.
let state = self.0.state.borrow();
state
.content_size()
.map(|size| size.div(state.scale_factor))
}
fn scale_factor(&self) -> f32 {
self.0.state.borrow_mut().scale_factor
self.0.state.borrow().scale_factor
}
// todo(linux)