Grab GeoJSON from the system clipboard on native. #523

Cargo.lock

@@ -448,6 +448,28 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "clipboard"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25a904646c0340239dcf7c51677b33928bf24fdf424b79a57909c0109075b2e7"
+dependencies = [
+ "clipboard-win",
+ "objc",
+ "objc-foundation",
+ "objc_id",
+ "x11-clipboard",
+]
+
+[[package]]
+name = "clipboard-win"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a093d6fed558e5fe24c3dfc85a68bb68f1c824f440d3ba5aca189e2998786b"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "cocoa"
 version = "0.23.0"
@@ -2150,6 +2172,7 @@ dependencies = [
  "abstio",
  "abstutil",
  "anyhow",
+ "clipboard",
  "colorous",
  "contour",
  "flate2",
@@ -2551,6 +2574,26 @@ dependencies = [
  "malloc_buf",
 ]
 
+[[package]]
+name = "objc-foundation"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1add1b659e36c9607c7aab864a76c7a4c2760cd0cd2e120f3fb8b952c7e22bf9"
+dependencies = [
+ "block",
+ "objc",
+ "objc_id",
+]
+
+[[package]]
+name = "objc_id"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c92d4ddb4bd7b50d730c215ff871754d0da6b2178849f8a2a2ab69712d0c073b"
+dependencies = [
+ "objc",
+]
+
 [[package]]
 name = "object"
 version = "0.23.0"
@@ -4524,6 +4567,15 @@ dependencies = [
  "winapi-build",
 ]
 
+[[package]]
+name = "x11-clipboard"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89bd49c06c9eb5d98e6ba6536cf64ac9f7ee3a009b2f53996d405b3944f6bcea"
+dependencies = [
+ "xcb",
+]
+
 [[package]]
 name = "x11-dl"
 version = "2.18.5"
@@ -4545,6 +4597,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "xcb"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e917a3f24142e9ff8be2414e36c649d47d6cc2ba81f16201cdef96e533e02de"
+dependencies = [
+ "libc",
+ "log",
+]
+
 [[package]]
 name = "xcursor"
 version = "0.3.3"

map_gui/Cargo.toml

@@ -5,7 +5,7 @@ authors = ["Dustin Carlino <dabreegster@gmail.com>"]
 edition = "2018"
 
 [features]
-native = ["reqwest", "tokio"]
+native = ["clipboard", "reqwest", "tokio"]
 wasm = ["js-sys", "wasm-bindgen", "wasm-bindgen-futures", "web-sys"]
 # A marker to use a named release from S3 instead of dev for updating files
 release_s3 = []
@@ -15,6 +15,7 @@ aabb-quadtree = "0.1.0"
 abstio = { path = "../abstio" }
 abstutil = { path = "../abstutil" }
 anyhow = "1.0.38"
+clipboard = { version = "0.5.0", optional = true }
 colorous = "1.0.3"
 contour = "0.3.0"
 flate2 = "1.0.20"

map_gui/src/tools/importer.rs

@@ -1,6 +1,11 @@
+use std::io::Write;
+
+use anyhow::Result;
+use clipboard::{ClipboardContext, ClipboardProvider};
+
 use widgetry::{EventCtx, Line, Panel, SimpleState, State, TextExt, Toggle, Transition, Widget};
 
-use crate::tools::open_browser;
+use crate::tools::{open_browser, PopupMsg};
 use crate::AppLike;
 
 pub struct ImportCity;
@@ -63,10 +68,45 @@ impl<A: AppLike + 'static> SimpleState<A> for ImportCity {
             }
             "Import the area from your clipboard" => {
                 let drive_on_left = !panel.is_checked("driving side");
-                println!("drive on left? {}", drive_on_left);
-                Transition::Keep
+                match grab_geojson_from_clipboard() {
+                    Ok(()) => {
+                        println!("drive on left? {}", drive_on_left);
+                        Transition::Keep
+                    }
+                    Err(err) => {
+                        return Transition::Push(PopupMsg::new(
+                            ctx,
+                            "Error",
+                            vec![
+                                "Couldn't get GeoJSON from your clipboard".to_string(),
+                                err.to_string(),
+                            ],
+                        ));
+                    }
+                }
             }
             _ => unreachable!(),
         }
     }
 }
+
+fn grab_geojson_from_clipboard() -> Result<()> {
+    // TODO The clipboard crate uses old nightly Errors. Converting to anyhow is weird.
+    let mut ctx: ClipboardContext = match ClipboardProvider::new() {
+        Ok(ctx) => ctx,
+        Err(err) => bail!("{}", err),
+    };
+    let contents = match ctx.get_contents() {
+        Ok(contents) => contents,
+        Err(err) => bail!("{}", err),
+    };
+    if contents.parse::<geojson::GeoJson>().is_err() {
+        bail!(
+            "Your clipboard doesn't seem to have GeoJSON. Got: {}",
+            contents
+        );
+    }
+    let mut f = std::fs::File::create("boundary.geojson")?;
+    write!(f, "{}", contents)?;
+    Ok(())
+}