make example platform-independent (ish)

.github/workflows/rust.yml

@@ -11,6 +11,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - name: install XCB dependencies
+      run: |
+        sudo apt update
+        sudo apt install libx11-xcb-dev libxcb-dri2-0-dev
+      if: contains(matrix.os, 'ubuntu')
     - name: install rust stable
       uses: actions-rs/toolchain@v1
       with:

examples/macos.rs

@@ -1,10 +0,0 @@
-fn main() {
-    let window_open_options = baseview::WindowOpenOptions {
-        title: "baseview",
-        width: 512,
-        height: 512,
-        parent: baseview::Parent::None,
-    };
-
-    baseview::Window::open(window_open_options);
-}

examples/open_window.rs

@@ -0,0 +1,25 @@
+use std::ptr::null_mut;
+
+fn main() {
+    let window_open_options = baseview::WindowOpenOptions {
+        title: "baseview",
+        width: 512,
+        height: 512,
+        parent: baseview::Parent::None,
+    };
+
+    #[cfg(target_os = "macos")] {
+        baseview::Window::open(window_open_options);
+    }
+    #[cfg(target_os = "windows")] {
+        baseview::create_window(window_open_options);
+        loop {
+            if !baseview::handle_msg(null_mut()) {
+                break;
+            }
+        }
+    }
+    #[cfg(target_os = "linux")] {
+        baseview::run(window_open_options);
+    }
+}

examples/windows.rs

@@ -1,21 +0,0 @@
-use std::ptr::null_mut;
-
-use baseview::Parent;
-use baseview::{create_window, handle_msg, WindowOpenOptions};
-
-fn main() {
-    let window = WindowOpenOptions {
-        title: "Baseview",
-        width: 800,
-        height: 400,
-        parent: Parent::None,
-    };
-
-    create_window(window);
-
-    loop {
-        if !handle_msg(null_mut()) {
-            break;
-        }
-    }
-}

examples/x11.rs

@@ -1,10 +0,0 @@
-fn main() {
-    let window_open_options = baseview::WindowOpenOptions {
-        title: "baseview",
-        width: 512,
-        height: 512,
-        parent: baseview::Parent::None,
-    };
-
-    baseview::run(window_open_options);
-}

src/x11.rs

@@ -113,6 +113,7 @@ pub fn run(options: WindowOpenOptions) {
 
 // Figure out the DPI scaling by opening a new temporary connection and asking XCB
 // TODO: currently returning (96, 96) on my system, even though I have 4k screens. Problem with my setup perhaps?
+#[allow(dead_code)]
 pub fn get_scaling() -> (u32, u32) {
     let (conn, screen_num) = xcb::Connection::connect_with_xlib_display().unwrap();