Merge remote-tracking branch 'origin/master' into feat/multi-window-support

# Conflicts:
#	Cargo.toml
#	core/src/window/icon.rs
#	core/src/window/id.rs
#	core/src/window/position.rs
#	core/src/window/settings.rs
#	examples/integration/src/main.rs
#	examples/integration_opengl/src/main.rs
#	glutin/src/application.rs
#	native/src/subscription.rs
#	native/src/window.rs
#	runtime/src/window/action.rs
#	src/lib.rs
#	src/window.rs
#	winit/Cargo.toml
#	winit/src/application.rs
#	winit/src/icon.rs
#	winit/src/settings.rs
#	winit/src/window.rs

1 files changed, 87 insertions, 0 deletions

diff --git a/widget/src/space.rs b/widget/src/space.rs
new file mode 100644
index 00000000..9a5385e8
--- /dev/null
+++ b/widget/src/space.rs
@@ -0,0 +1,87 @@
+//! Distribute content vertically.
+use crate::core;
+use crate::core::layout;
+use crate::core::mouse;
+use crate::core::renderer;
+use crate::core::widget::Tree;
+use crate::core::{Element, Layout, Length, Rectangle, Size, Widget};
+
+/// An amount of empty space.
+///
+/// It can be useful if you want to fill some space with nothing.
+#[derive(Debug)]
+pub struct Space {
+    width: Length,
+    height: Length,
+}
+
+impl Space {
+    /// Creates an amount of empty [`Space`] with the given width and height.
+    pub fn new(width: impl Into<Length>, height: impl Into<Length>) -> Self {
+        Space {
+            width: width.into(),
+            height: height.into(),
+        }
+    }
+
+    /// Creates an amount of horizontal [`Space`].
+    pub fn with_width(width: impl Into<Length>) -> Self {
+        Space {
+            width: width.into(),
+            height: Length::Shrink,
+        }
+    }
+
+    /// Creates an amount of vertical [`Space`].
+    pub fn with_height(height: impl Into<Length>) -> Self {
+        Space {
+            width: Length::Shrink,
+            height: height.into(),
+        }
+    }
+}
+
+impl<Message, Renderer> Widget<Message, Renderer> for Space
+where
+    Renderer: core::Renderer,
+{
+    fn width(&self) -> Length {
+        self.width
+    }
+
+    fn height(&self) -> Length {
+        self.height
+    }
+
+    fn layout(
+        &self,
+        _renderer: &Renderer,
+        limits: &layout::Limits,
+    ) -> layout::Node {
+        let limits = limits.width(self.width).height(self.height);
+
+        layout::Node::new(limits.resolve(Size::ZERO))
+    }
+
+    fn draw(
+        &self,
+        _state: &Tree,
+        _renderer: &mut Renderer,
+        _theme: &Renderer::Theme,
+        _style: &renderer::Style,
+        _layout: Layout<'_>,
+        _cursor: mouse::Cursor,
+        _viewport: &Rectangle,
+    ) {
+    }
+}
+
+impl<'a, Message, Renderer> From<Space> for Element<'a, Message, Renderer>
+where
+    Renderer: core::Renderer,
+    Message: 'a,
+{
+    fn from(space: Space) -> Element<'a, Message, Renderer> {
+        Element::new(space)
+    }
+}