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(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 x11 2.18.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77ecd092546cb16f25783a5451538e73afc8d32e242648d54f4ae5459ba1e773" diff --git a/Cargo.toml b/Cargo.toml index 1526a7c..5b9621a 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -24,4 +24,6 @@ structopt = "0.2" anyhow = "1.0.31" 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" diff --git a/src/lib.rs b/src/lib.rs index 8c653b8..2d8c4d6 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -4,39 +4,34 @@ #[macro_use] extern crate anyhow; -#[macro_use] -extern crate structopt; extern crate leanshot_x11 as x11; +extern crate structopt; -mod options; mod platform; use anyhow::Result; -pub use crate::options::{Options, Region}; -use crate::platform::{x11::X11, Platform}; +pub use crate::platform::{x11::X11, Platform}; type Rectangle = x11::Rectangle; -/// The main capture routine -pub fn capture(opt: &Options) -> Result<()> { - let gui = X11::new()?; - - 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") - // imlib2::context_set_image(&capture); - // capture.save_image(&opt.outfile)?; +/// A region option +#[allow(missing_docs)] +pub enum Region { + Fullscreen, + ActiveWindow, + Selection, +} + +impl Region { + /// Convert string to Region enum + // TODO: use FromStr trait + pub fn from_str(x: &str) -> Result { + 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'"), + } + } } diff --git a/src/main.rs b/src/main.rs index 4d9b295..7e4dc34 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,9 +1,49 @@ +use std::path::PathBuf; + use anyhow::Result; -use leanshot::{capture, Options}; +use leanshot::{Platform, Region, X11}; use structopt::StructOpt; #[allow(missing_docs)] pub fn main() -> Result<()> { + stderrlog::new().module(module_path!()).init().unwrap(); + 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, } diff --git a/src/options.rs b/src/options.rs deleted file mode 100644 index fc6ceef..0000000 --- a/src/options.rs +++ /dev/null @@ -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 { - 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'"), - } - } -} diff --git a/src/platform/mod.rs b/src/platform/mod.rs index f3083d6..b2fb143 100644 --- a/src/platform/mod.rs +++ b/src/platform/mod.rs @@ -1,21 +1,50 @@ #[cfg(feature = "x11")] pub mod x11; +use std::collections::HashMap; +use std::hash::Hash; + use anyhow::Result; use image::RgbaImage; 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 { + /// Type of window handles type Window; + + /// Type of images type Image: Image; + /// Type of screen handles + type ScreenId: Hash; + + /// Get a handle to the currently active window fn get_active_window(&self) -> Result; + + /// Capture a specific window by handle fn capture_window(&self, window: Self::Window) -> Result; + + /// Get the screen layout (list of screens, where they are) + fn get_screen_layout(&self) -> Result>; + + /// Capture full screen fn capture_full_screen(&self) -> Result; + + /// Open the interactive selection interface fn show_interactive_selection(&self, image: Self::Image) -> Result; } +/// Set of functions platform-specific images must implement pub trait Image { fn into_rgba_image(self) -> RgbaImage; } diff --git a/src/platform/x11.rs b/src/platform/x11.rs index c4f7250..609fc5e 100644 --- a/src/platform/x11.rs +++ b/src/platform/x11.rs @@ -1,17 +1,26 @@ +use std::collections::HashMap; + use anyhow::Result; 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; +/// Interface to x11 pub struct X11 { inner: Display, } impl X11 { + /// Create a new x11 instace pub fn new() -> Result { + // TODO: configure connection string let display = Display::connect(":0")?; + Ok(X11 { inner: display }) } } @@ -19,6 +28,7 @@ impl X11 { impl Platform for X11 { type Window = Window; type Image = Image; + type ScreenId = i32; fn get_active_window(&self) -> Result { let (window, _) = self.inner.get_input_focus()?; @@ -35,6 +45,24 @@ impl Platform for X11 { unimplemented!() } + fn get_screen_layout(&self) -> Result> { + 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 { let window = Window::create(&self.inner, None, Rectangle::new(0, 0, 500, 500))?; window.map(); diff --git a/x11/Cargo.toml b/x11/Cargo.toml index 6e5d6f0..58df0d3 100644 --- a/x11/Cargo.toml +++ b/x11/Cargo.toml @@ -9,6 +9,7 @@ authors = ["Michael Zhang "] default = [] xlib = ["x11/xlib"] xrender = ["x11/xrender"] +xinerama = ["x11/xlib", "x11/xinerama"] [dependencies] libc = "0.2" diff --git a/x11/src/lib.rs b/x11/src/lib.rs index d4de88a..240f905 100644 --- a/x11/src/lib.rs +++ b/x11/src/lib.rs @@ -11,6 +11,9 @@ pub mod xlib; #[cfg(feature = "xrender")] pub mod xrender; +#[cfg(feature = "xinerama")] +pub mod xinerama; + mod errors; mod rect; diff --git a/x11/src/xinerama/mod.rs b/x11/src/xinerama/mod.rs new file mode 100644 index 0000000..8e3b882 --- /dev/null +++ b/x11/src/xinerama/mod.rs @@ -0,0 +1,3 @@ +mod screen_info; + +pub use self::screen_info::ScreensInfo; diff --git a/x11/src/xinerama/screen_info.rs b/x11/src/xinerama/screen_info.rs new file mode 100644 index 0000000..a5909ca --- /dev/null +++ b/x11/src/xinerama/screen_info.rs @@ -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 { + 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 { + 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, + }, + )) + } + } +} diff --git a/x11/src/xlib/display.rs b/x11/src/xlib/display.rs index 2993652..a5b6331 100644 --- a/x11/src/xlib/display.rs +++ b/x11/src/xlib/display.rs @@ -11,7 +11,7 @@ use super::window::Window; /// A connection to an X server. pub struct Display { - inner: *mut xlib::Display, + pub(crate) inner: *mut xlib::Display, } pub struct Grab(pub(crate) *mut xlib::Display);