screen layout detection

This commit is contained in:
Michael Zhang 2020-06-26 14:53:06 -05:00
parent 77393ca68c
commit 8dc13a1ad6
Signed by: michael
GPG key ID: BDA47A31A3C8EE6B
12 changed files with 328 additions and 74 deletions

135
Cargo.lock generated
View file

@ -20,11 +20,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -580,23 +697,33 @@ dependencies = [
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"checksum rayon 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080" "checksum rayon 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080"
"checksum rayon-core 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280" "checksum rayon-core 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
"checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8" "checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
"checksum scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd" "checksum scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
"checksum stderrlog 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "32e5ee9b90a5452c570a0b0ac1c99ae9498db7e56e33d74366de7f2a7add7f25"
"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a" "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
"checksum structopt 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "16c2cdbf9cc375f15d1b4141bc48aeef444806655cd0e904207edc8d68d86ed7" "checksum structopt 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "16c2cdbf9cc375f15d1b4141bc48aeef444806655cd0e904207edc8d68d86ed7"
"checksum structopt-derive 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "53010261a84b37689f9ed7d395165029f9cc7abb9f56bbfe86bee2597ed25107" "checksum structopt-derive 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "53010261a84b37689f9ed7d395165029f9cc7abb9f56bbfe86bee2597ed25107"
"checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5" "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
"checksum syn 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "b5304cfdf27365b7585c25d4af91b35016ed21ef88f17ced89c7093b43dba8b6" "checksum syn 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "b5304cfdf27365b7585c25d4af91b35016ed21ef88f17ced89c7093b43dba8b6"
"checksum termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f"
"checksum termion 1.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060" "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
"checksum thiserror 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)" = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08" "checksum thiserror 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)" = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
"checksum thiserror-impl 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)" = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793" "checksum thiserror-impl 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)" = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
"checksum thread_local 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1697c4b57aeeb7a536b647165a2825faddffb1d3bad386d507709bd51a90bb14"
"checksum tiff 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3f3b8a87c4da944c3f27e5943289171ac71a6150a79ff6bacfff06d159dfff2f" "checksum tiff 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3f3b8a87c4da944c3f27e5943289171ac71a6150a79ff6bacfff06d159dfff2f"
"checksum time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
"checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0" "checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
"checksum unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479" "checksum unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc" "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c" "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
"checksum vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191" "checksum vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6" "checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
"checksum x11 2.18.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77ecd092546cb16f25783a5451538e73afc8d32e242648d54f4ae5459ba1e773" "checksum x11 2.18.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77ecd092546cb16f25783a5451538e73afc8d32e242648d54f4ae5459ba1e773"

View file

@ -24,4 +24,6 @@ structopt = "0.2"
anyhow = "1.0.31" anyhow = "1.0.31"
image = "0.23.5" image = "0.23.5"
leanshot_x11 = { version = "0.2", path = "x11", optional = true, features = ["xlib"] } leanshot_x11 = { version = "0.2", path = "x11", optional = true, features = ["xlib", "xinerama"] }
log = "0.4.8"
stderrlog = "0.4.3"

View file

@ -4,39 +4,34 @@
#[macro_use] #[macro_use]
extern crate anyhow; extern crate anyhow;
#[macro_use]
extern crate structopt;
extern crate leanshot_x11 as x11; extern crate leanshot_x11 as x11;
extern crate structopt;
mod options;
mod platform; mod platform;
use anyhow::Result; use anyhow::Result;
pub use crate::options::{Options, Region}; pub use crate::platform::{x11::X11, Platform};
use crate::platform::{x11::X11, Platform};
type Rectangle = x11::Rectangle; type Rectangle = x11::Rectangle;
/// The main capture routine /// A region option
pub fn capture(opt: &Options) -> Result<()> { #[allow(missing_docs)]
let gui = X11::new()?; pub enum Region {
Fullscreen,
let image = match opt.region { ActiveWindow,
Region::ActiveWindow => { Selection,
let window = gui.get_active_window()?; }
let image = gui.capture_window(window);
} impl Region {
Region::Fullscreen | Region::Selection => { /// Convert string to Region enum
let mut image = gui.capture_full_screen()?; // TODO: use FromStr trait
if let Region::Fullscreen = opt.region { pub fn from_str(x: &str) -> Result<Self> {
let rect = gui.show_interactive_selection(image)?; match x {
// TODO: crop the image "fullscreen" => Ok(Region::Fullscreen),
} "window" => Ok(Region::ActiveWindow),
} "select" | "selection" => Ok(Region::Selection),
}; _ => bail!("please choose a region from 'fullscreen', 'window', or 'select'"),
}
unimplemented!("leanshot::capture") }
// imlib2::context_set_image(&capture);
// capture.save_image(&opt.outfile)?;
} }

View file

@ -1,9 +1,49 @@
use std::path::PathBuf;
use anyhow::Result; use anyhow::Result;
use leanshot::{capture, Options}; use leanshot::{Platform, Region, X11};
use structopt::StructOpt; use structopt::StructOpt;
#[allow(missing_docs)] #[allow(missing_docs)]
pub fn main() -> Result<()> { pub fn main() -> Result<()> {
stderrlog::new().module(module_path!()).init().unwrap();
let opt = Options::from_args(); let opt = Options::from_args();
capture(&opt)
let gui = X11::new()?;
let screen_layout = gui.get_screen_layout()?;
println!("{:?}", screen_layout);
let image = match opt.region {
Region::ActiveWindow => {
let window = gui.get_active_window()?;
let image = gui.capture_window(window);
}
Region::Fullscreen | Region::Selection => {
let mut image = gui.capture_full_screen()?;
if let Region::Fullscreen = opt.region {
let rect = gui.show_interactive_selection(image)?;
// TODO: crop the image
}
}
};
unimplemented!("leanshot::capture")
}
/// Options for screenshot
#[derive(StructOpt)]
pub struct Options {
/// The region to select (fullscreen | window | select)
#[structopt(parse(try_from_str = "Region::from_str"))]
pub region: Region,
/// The file to save the screenshot to
#[structopt(short = "o", long = "out", parse(from_os_str))]
pub outfile: PathBuf,
/// Whether or not to also copy it to the clipboard
#[structopt(short = "c")]
pub clipboard: bool,
} }

View file

@ -1,38 +0,0 @@
use std::path::PathBuf;
use anyhow::Result;
/// A region option
#[allow(missing_docs)]
pub enum Region {
Fullscreen,
ActiveWindow,
Selection,
}
/// Options for screenshot
#[derive(StructOpt)]
pub struct Options {
/// The region to select (fullscreen | window | select)
#[structopt(parse(try_from_str = "Region::from_str"))]
pub region: Region,
/// The file to save the screenshot to
#[structopt(short = "o", long = "out", parse(from_os_str))]
pub outfile: PathBuf,
/// Whether or not to also copy it to the clipboard
#[structopt(short = "c")]
pub clipboard: bool,
}
impl Region {
pub(self) fn from_str(x: &str) -> Result<Self> {
match x {
"fullscreen" => Ok(Region::Fullscreen),
"window" => Ok(Region::ActiveWindow),
"select" | "selection" => Ok(Region::Selection),
_ => bail!("please choose a region from 'fullscreen', 'window', or 'select'"),
}
}
}

View file

@ -1,21 +1,50 @@
#[cfg(feature = "x11")] #[cfg(feature = "x11")]
pub mod x11; pub mod x11;
use std::collections::HashMap;
use std::hash::Hash;
use anyhow::Result; use anyhow::Result;
use image::RgbaImage; use image::RgbaImage;
use crate::Rectangle; use crate::Rectangle;
#[derive(Debug)]
pub struct ScreenInfo {
pub width: u16,
pub height: u16,
pub x: i16,
pub y: i16,
}
/// Set of functions that all platforms must implement
pub trait Platform { pub trait Platform {
/// Type of window handles
type Window; type Window;
/// Type of images
type Image: Image; type Image: Image;
/// Type of screen handles
type ScreenId: Hash;
/// Get a handle to the currently active window
fn get_active_window(&self) -> Result<Self::Window>; fn get_active_window(&self) -> Result<Self::Window>;
/// Capture a specific window by handle
fn capture_window(&self, window: Self::Window) -> Result<Self::Image>; fn capture_window(&self, window: Self::Window) -> Result<Self::Image>;
/// Get the screen layout (list of screens, where they are)
fn get_screen_layout(&self) -> Result<HashMap<Self::ScreenId, ScreenInfo>>;
/// Capture full screen
fn capture_full_screen(&self) -> Result<Self::Image>; fn capture_full_screen(&self) -> Result<Self::Image>;
/// Open the interactive selection interface
fn show_interactive_selection(&self, image: Self::Image) -> Result<Rectangle>; fn show_interactive_selection(&self, image: Self::Image) -> Result<Rectangle>;
} }
/// Set of functions platform-specific images must implement
pub trait Image { pub trait Image {
fn into_rgba_image(self) -> RgbaImage; fn into_rgba_image(self) -> RgbaImage;
} }

View file

@ -1,17 +1,26 @@
use std::collections::HashMap;
use anyhow::Result; use anyhow::Result;
use image::RgbaImage; use image::RgbaImage;
use x11::xlib::{Display, Window}; use x11::{
xinerama::ScreensInfo,
xlib::{Display, Window},
};
use crate::platform::{Image as ImageT, Platform}; use crate::platform::{Image as ImageT, Platform, ScreenInfo};
use crate::Rectangle; use crate::Rectangle;
/// Interface to x11
pub struct X11 { pub struct X11 {
inner: Display, inner: Display,
} }
impl X11 { impl X11 {
/// Create a new x11 instace
pub fn new() -> Result<Self> { pub fn new() -> Result<Self> {
// TODO: configure connection string
let display = Display::connect(":0")?; let display = Display::connect(":0")?;
Ok(X11 { inner: display }) Ok(X11 { inner: display })
} }
} }
@ -19,6 +28,7 @@ impl X11 {
impl Platform for X11 { impl Platform for X11 {
type Window = Window; type Window = Window;
type Image = Image; type Image = Image;
type ScreenId = i32;
fn get_active_window(&self) -> Result<Self::Window> { fn get_active_window(&self) -> Result<Self::Window> {
let (window, _) = self.inner.get_input_focus()?; let (window, _) = self.inner.get_input_focus()?;
@ -35,6 +45,24 @@ impl Platform for X11 {
unimplemented!() unimplemented!()
} }
fn get_screen_layout(&self) -> Result<HashMap<Self::ScreenId, ScreenInfo>> {
let screens_info = ScreensInfo::query(&self.inner)?;
Ok(screens_info
.iter()
.map(|(num, screen)| {
(
num,
ScreenInfo {
x: screen.x,
y: screen.y,
width: screen.width as u16,
height: screen.height as u16,
},
)
})
.collect())
}
fn show_interactive_selection(&self, image: Self::Image) -> Result<Rectangle> { fn show_interactive_selection(&self, image: Self::Image) -> Result<Rectangle> {
let window = Window::create(&self.inner, None, Rectangle::new(0, 0, 500, 500))?; let window = Window::create(&self.inner, None, Rectangle::new(0, 0, 500, 500))?;
window.map(); window.map();

View file

@ -9,6 +9,7 @@ authors = ["Michael Zhang <failed.down@gmail.com>"]
default = [] default = []
xlib = ["x11/xlib"] xlib = ["x11/xlib"]
xrender = ["x11/xrender"] xrender = ["x11/xrender"]
xinerama = ["x11/xlib", "x11/xinerama"]
[dependencies] [dependencies]
libc = "0.2" libc = "0.2"

View file

@ -11,6 +11,9 @@ pub mod xlib;
#[cfg(feature = "xrender")] #[cfg(feature = "xrender")]
pub mod xrender; pub mod xrender;
#[cfg(feature = "xinerama")]
pub mod xinerama;
mod errors; mod errors;
mod rect; mod rect;

3
x11/src/xinerama/mod.rs Normal file
View file

@ -0,0 +1,3 @@
mod screen_info;
pub use self::screen_info::ScreensInfo;

View file

@ -0,0 +1,64 @@
use x11::xinerama;
use crate::errors::Result;
use crate::xlib::Display;
pub struct ScreensInfo {
inner: *mut xinerama::XineramaScreenInfo,
heads: isize,
}
impl ScreensInfo {
pub fn query(display: &Display) -> Result<Self> {
let mut heads = 0;
let inner = unsafe { xinerama::XineramaQueryScreens(display.inner, &mut heads as *mut _) };
// TODO: check for error
Ok(ScreensInfo {
inner,
heads: heads as isize,
})
}
pub fn iter(&self) -> ScreenInfoIter {
ScreenInfoIter(self, 0)
}
}
impl Drop for ScreensInfo {
fn drop(&mut self) {
unsafe { x11::xlib::XFree(self.inner as *mut _) };
}
}
pub struct ScreenInfoIter<'a>(&'a ScreensInfo, isize);
pub struct ScreenInfo {
pub x: i16,
pub y: i16,
pub width: i16,
pub height: i16,
}
impl<'a> Iterator for ScreenInfoIter<'a> {
type Item = (i32, ScreenInfo);
fn next(&mut self) -> Option<Self::Item> {
if self.1 >= self.0.heads {
return None;
}
let screen = unsafe { self.0.inner.offset(self.1) };
self.1 += 1;
unsafe {
Some((
(*screen).screen_number as i32,
ScreenInfo {
x: (*screen).x_org as i16,
y: (*screen).y_org as i16,
width: (*screen).width as i16,
height: (*screen).height as i16,
},
))
}
}
}

View file

@ -11,7 +11,7 @@ use super::window::Window;
/// A connection to an X server. /// A connection to an X server.
pub struct Display { pub struct Display {
inner: *mut xlib::Display, pub(crate) inner: *mut xlib::Display,
} }
pub struct Grab(pub(crate) *mut xlib::Display); pub struct Grab(pub(crate) *mut xlib::Display);