Vendor dependencies

Let's see how I like this workflow.

vendor/crossterm_winapi/src/structs/window_coords.rs

@@ -0,0 +1,46 @@
+//! This module provides a type that represents some rectangle.
+//! For example, in WinAPI we have `SMALL_RECT` to represent a window size but this is a little inconvenient.
+//! This module provides some trait implementations who will make parsing and working with `SMALL_RECT` easier.
+
+use winapi::um::wincon::{CONSOLE_SCREEN_BUFFER_INFO, SMALL_RECT};
+
+/// This is a wrapper for the locations of a rectangle.
+#[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
+pub struct WindowPositions {
+    /// The rectangle's offset from the left.
+    pub left: i16,
+    /// The rectangle's offset from the right.
+    pub right: i16,
+    /// The rectangle's offset from the bottom.
+    pub bottom: i16,
+    /// The rectangle's offset from the top.
+    pub top: i16,
+}
+
+impl From<CONSOLE_SCREEN_BUFFER_INFO> for WindowPositions {
+    fn from(csbi: CONSOLE_SCREEN_BUFFER_INFO) -> Self {
+        csbi.srWindow.into()
+    }
+}
+
+impl From<WindowPositions> for SMALL_RECT {
+    fn from(positions: WindowPositions) -> Self {
+        SMALL_RECT {
+            Top: positions.top,
+            Right: positions.right,
+            Bottom: positions.bottom,
+            Left: positions.left,
+        }
+    }
+}
+
+impl From<SMALL_RECT> for WindowPositions {
+    fn from(rect: SMALL_RECT) -> Self {
+        WindowPositions {
+            left: rect.Left,
+            right: rect.Right,
+            bottom: rect.Bottom,
+            top: rect.Top,
+        }
+    }
+}