Merge unnecessary split widget modules

15 files changed, 1165 insertions, 10 deletions

diff --git a/graphics/src/widget/button.rs b/graphics/src/widget/button.rs
index 9debf5c3..aeb862d5 100644
--- a/graphics/src/widget/button.rs
+++ b/graphics/src/widget/button.rs
@@ -4,7 +4,12 @@
 //!
 //! [`Button`]: type.Button.html
 //! [`State`]: struct.State.html
-use crate::Renderer;
+use crate::defaults::{self, Defaults};
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::{
+    Background, Color, Element, Layout, Point, Rectangle, Vector,
+};
 
 pub use iced_native::button::State;
 pub use iced_style::button::{Style, StyleSheet};
@@ -14,3 +19,95 @@ pub use iced_style::button::{Style, StyleSheet};
 /// This is an alias of an `iced_native` button with an `iced_wgpu::Renderer`.
 pub type Button<'a, Message, Backend> =
     iced_native::Button<'a, Message, Renderer<Backend>>;
+
+impl<B> iced_native::button::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    const DEFAULT_PADDING: u16 = 5;
+
+    type Style = Box<dyn StyleSheet>;
+
+    fn draw<Message>(
+        &mut self,
+        _defaults: &Defaults,
+        bounds: Rectangle,
+        cursor_position: Point,
+        is_disabled: bool,
+        is_pressed: bool,
+        style: &Box<dyn StyleSheet>,
+        content: &Element<'_, Message, Self>,
+        content_layout: Layout<'_>,
+    ) -> Self::Output {
+        let is_mouse_over = bounds.contains(cursor_position);
+
+        let styling = if is_disabled {
+            style.disabled()
+        } else if is_mouse_over {
+            if is_pressed {
+                style.pressed()
+            } else {
+                style.hovered()
+            }
+        } else {
+            style.active()
+        };
+
+        let (content, _) = content.draw(
+            self,
+            &Defaults {
+                text: defaults::Text {
+                    color: styling.text_color,
+                },
+            },
+            content_layout,
+            cursor_position,
+        );
+
+        (
+            if styling.background.is_some() || styling.border_width > 0 {
+                let background = Primitive::Quad {
+                    bounds,
+                    background: styling
+                        .background
+                        .unwrap_or(Background::Color(Color::TRANSPARENT)),
+                    border_radius: styling.border_radius,
+                    border_width: styling.border_width,
+                    border_color: styling.border_color,
+                };
+
+                if styling.shadow_offset == Vector::default() {
+                    Primitive::Group {
+                        primitives: vec![background, content],
+                    }
+                } else {
+                    // TODO: Implement proper shadow support
+                    let shadow = Primitive::Quad {
+                        bounds: Rectangle {
+                            x: bounds.x + styling.shadow_offset.x,
+                            y: bounds.y + styling.shadow_offset.y,
+                            ..bounds
+                        },
+                        background: Background::Color(
+                            [0.0, 0.0, 0.0, 0.5].into(),
+                        ),
+                        border_radius: styling.border_radius,
+                        border_width: 0,
+                        border_color: Color::TRANSPARENT,
+                    };
+
+                    Primitive::Group {
+                        primitives: vec![shadow, background, content],
+                    }
+                }
+            } else {
+                content
+            },
+            if is_mouse_over {
+                mouse::Interaction::Pointer
+            } else {
+                mouse::Interaction::default()
+            },
+        )
+    }
+}
diff --git a/graphics/src/widget/checkbox.rs b/graphics/src/widget/checkbox.rs
index 3c8b58de..cb7fd2cf 100644
--- a/graphics/src/widget/checkbox.rs
+++ b/graphics/src/widget/checkbox.rs
@@ -1,5 +1,9 @@
 //! Show toggle controls using checkboxes.
-use crate::Renderer;
+use crate::backend::{self, Backend};
+use crate::{Primitive, Renderer};
+use iced_native::checkbox;
+use iced_native::mouse;
+use iced_native::{HorizontalAlignment, Rectangle, VerticalAlignment};
 
 pub use iced_style::checkbox::{Style, StyleSheet};
 
@@ -8,3 +12,65 @@ pub use iced_style::checkbox::{Style, StyleSheet};
 /// This is an alias of an `iced_native` checkbox with an `iced_wgpu::Renderer`.
 pub type Checkbox<Message, Backend> =
     iced_native::Checkbox<Message, Renderer<Backend>>;
+
+impl<B> checkbox::Renderer for Renderer<B>
+where
+    B: Backend + backend::Text,
+{
+    type Style = Box<dyn StyleSheet>;
+
+    const DEFAULT_SIZE: u16 = 20;
+    const DEFAULT_SPACING: u16 = 15;
+
+    fn draw(
+        &mut self,
+        bounds: Rectangle,
+        is_checked: bool,
+        is_mouse_over: bool,
+        (label, _): Self::Output,
+        style_sheet: &Self::Style,
+    ) -> Self::Output {
+        let style = if is_mouse_over {
+            style_sheet.hovered(is_checked)
+        } else {
+            style_sheet.active(is_checked)
+        };
+
+        let checkbox = Primitive::Quad {
+            bounds,
+            background: style.background,
+            border_radius: style.border_radius,
+            border_width: style.border_width,
+            border_color: style.border_color,
+        };
+
+        (
+            Primitive::Group {
+                primitives: if is_checked {
+                    let check = Primitive::Text {
+                        content: B::CHECKMARK_ICON.to_string(),
+                        font: B::ICON_FONT,
+                        size: bounds.height * 0.7,
+                        bounds: Rectangle {
+                            x: bounds.center_x(),
+                            y: bounds.center_y(),
+                            ..bounds
+                        },
+                        color: style.checkmark_color,
+                        horizontal_alignment: HorizontalAlignment::Center,
+                        vertical_alignment: VerticalAlignment::Center,
+                    };
+
+                    vec![checkbox, check, label]
+                } else {
+                    vec![checkbox, label]
+                },
+            },
+            if is_mouse_over {
+                mouse::Interaction::Pointer
+            } else {
+                mouse::Interaction::default()
+            },
+        )
+    }
+}
diff --git a/graphics/src/widget/column.rs b/graphics/src/widget/column.rs
new file mode 100644
index 00000000..9183d2ee
--- /dev/null
+++ b/graphics/src/widget/column.rs
@@ -0,0 +1,42 @@
+use crate::{Backend, Primitive, Renderer};
+use iced_native::column;
+use iced_native::mouse;
+use iced_native::{Element, Layout, Point};
+
+pub type Column<'a, Message, Backend> =
+    iced_native::Column<'a, Message, Renderer<Backend>>;
+
+impl<B> column::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    fn draw<Message>(
+        &mut self,
+        defaults: &Self::Defaults,
+        content: &[Element<'_, Message, Self>],
+        layout: Layout<'_>,
+        cursor_position: Point,
+    ) -> Self::Output {
+        let mut mouse_interaction = mouse::Interaction::default();
+
+        (
+            Primitive::Group {
+                primitives: content
+                    .iter()
+                    .zip(layout.children())
+                    .map(|(child, layout)| {
+                        let (primitive, new_mouse_interaction) =
+                            child.draw(self, defaults, layout, cursor_position);
+
+                        if new_mouse_interaction > mouse_interaction {
+                            mouse_interaction = new_mouse_interaction;
+                        }
+
+                        primitive
+                    })
+                    .collect(),
+            },
+            mouse_interaction,
+        )
+    }
+}
diff --git a/graphics/src/widget/container.rs b/graphics/src/widget/container.rs
index c4c4e5ba..070cb48b 100644
--- a/graphics/src/widget/container.rs
+++ b/graphics/src/widget/container.rs
@@ -1,5 +1,8 @@
 //! Decorate content and apply alignment.
-use crate::Renderer;
+use crate::container;
+use crate::defaults::{self, Defaults};
+use crate::{Backend, Primitive, Renderer};
+use iced_native::{Background, Color, Element, Layout, Point, Rectangle};
 
 pub use iced_style::container::{Style, StyleSheet};
 
@@ -9,3 +12,52 @@ pub use iced_style::container::{Style, StyleSheet};
 /// `Renderer`.
 pub type Container<'a, Message, Backend> =
     iced_native::Container<'a, Message, Renderer<Backend>>;
+
+impl<B> iced_native::container::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn container::StyleSheet>;
+
+    fn draw<Message>(
+        &mut self,
+        defaults: &Defaults,
+        bounds: Rectangle,
+        cursor_position: Point,
+        style_sheet: &Self::Style,
+        content: &Element<'_, Message, Self>,
+        content_layout: Layout<'_>,
+    ) -> Self::Output {
+        let style = style_sheet.style();
+
+        let defaults = Defaults {
+            text: defaults::Text {
+                color: style.text_color.unwrap_or(defaults.text.color),
+            },
+        };
+
+        let (content, mouse_interaction) =
+            content.draw(self, &defaults, content_layout, cursor_position);
+
+        if style.background.is_some() || style.border_width > 0 {
+            let quad = Primitive::Quad {
+                bounds,
+                background: style
+                    .background
+                    .unwrap_or(Background::Color(Color::TRANSPARENT)),
+                border_radius: style.border_radius,
+                border_width: style.border_width,
+                border_color: style.border_color,
+            };
+
+            (
+                Primitive::Group {
+                    primitives: vec![quad, content],
+                },
+                mouse_interaction,
+            )
+        } else {
+            (content, mouse_interaction)
+        }
+    }
+}
diff --git a/graphics/src/widget/image.rs b/graphics/src/widget/image.rs
new file mode 100644
index 00000000..79d82cb1
--- /dev/null
+++ b/graphics/src/widget/image.rs
@@ -0,0 +1,30 @@
+use crate::backend::{self, Backend};
+use crate::{Primitive, Renderer};
+use iced_native::image;
+use iced_native::mouse;
+use iced_native::Layout;
+
+pub use iced_native::Image;
+
+impl<B> image::Renderer for Renderer<B>
+where
+    B: Backend + backend::Image,
+{
+    fn dimensions(&self, handle: &image::Handle) -> (u32, u32) {
+        self.backend().dimensions(handle)
+    }
+
+    fn draw(
+        &mut self,
+        handle: image::Handle,
+        layout: Layout<'_>,
+    ) -> Self::Output {
+        (
+            Primitive::Image {
+                handle,
+                bounds: layout.bounds(),
+            },
+            mouse::Interaction::default(),
+        )
+    }
+}
diff --git a/graphics/src/widget/pane_grid.rs b/graphics/src/widget/pane_grid.rs
index 34be8ee7..56af683d 100644
--- a/graphics/src/widget/pane_grid.rs
+++ b/graphics/src/widget/pane_grid.rs
@@ -8,7 +8,10 @@
 //!
 //! [`pane_grid` example]: https://github.com/hecrj/iced/tree/0.1/examples/pane_grid
 //! [`PaneGrid`]: type.PaneGrid.html
-use crate::Renderer;
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::pane_grid;
+use iced_native::{Element, Layout, Point, Rectangle, Vector};
 
 pub use iced_native::pane_grid::{
     Axis, Direction, DragEvent, Focus, KeyPressEvent, Pane, ResizeEvent, Split,
@@ -23,3 +26,93 @@ pub use iced_native::pane_grid::{
 /// This is an alias of an `iced_native` pane grid with an `iced_wgpu::Renderer`.
 pub type PaneGrid<'a, Message, Backend> =
     iced_native::PaneGrid<'a, Message, Renderer<Backend>>;
+
+impl<B> pane_grid::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    fn draw<Message>(
+        &mut self,
+        defaults: &Self::Defaults,
+        content: &[(Pane, Element<'_, Message, Self>)],
+        dragging: Option<Pane>,
+        resizing: Option<Axis>,
+        layout: Layout<'_>,
+        cursor_position: Point,
+    ) -> Self::Output {
+        let pane_cursor_position = if dragging.is_some() {
+            // TODO: Remove once cursor availability is encoded in the type
+            // system
+            Point::new(-1.0, -1.0)
+        } else {
+            cursor_position
+        };
+
+        let mut mouse_interaction = mouse::Interaction::default();
+        let mut dragged_pane = None;
+
+        let mut panes: Vec<_> = content
+            .iter()
+            .zip(layout.children())
+            .enumerate()
+            .map(|(i, ((id, pane), layout))| {
+                let (primitive, new_mouse_interaction) =
+                    pane.draw(self, defaults, layout, pane_cursor_position);
+
+                if new_mouse_interaction > mouse_interaction {
+                    mouse_interaction = new_mouse_interaction;
+                }
+
+                if Some(*id) == dragging {
+                    dragged_pane = Some((i, layout));
+                }
+
+                primitive
+            })
+            .collect();
+
+        let primitives = if let Some((index, layout)) = dragged_pane {
+            let pane = panes.remove(index);
+            let bounds = layout.bounds();
+
+            // TODO: Fix once proper layering is implemented.
+            // This is a pretty hacky way to achieve layering.
+            let clip = Primitive::Clip {
+                bounds: Rectangle {
+                    x: cursor_position.x - bounds.width / 2.0,
+                    y: cursor_position.y - bounds.height / 2.0,
+                    width: bounds.width + 0.5,
+                    height: bounds.height + 0.5,
+                },
+                offset: Vector::new(0, 0),
+                content: Box::new(Primitive::Translate {
+                    translation: Vector::new(
+                        cursor_position.x - bounds.x - bounds.width / 2.0,
+                        cursor_position.y - bounds.y - bounds.height / 2.0,
+                    ),
+                    content: Box::new(pane),
+                }),
+            };
+
+            panes.push(clip);
+
+            panes
+        } else {
+            panes
+        };
+
+        (
+            Primitive::Group { primitives },
+            if dragging.is_some() {
+                mouse::Interaction::Grabbing
+            } else if let Some(axis) = resizing {
+                match axis {
+                    Axis::Horizontal => mouse::Interaction::ResizingVertically,
+                    Axis::Vertical => mouse::Interaction::ResizingHorizontally,
+                }
+            } else {
+                mouse_interaction
+            },
+        )
+    }
+}
diff --git a/graphics/src/widget/progress_bar.rs b/graphics/src/widget/progress_bar.rs
index c1e5702e..48acb3c1 100644
--- a/graphics/src/widget/progress_bar.rs
+++ b/graphics/src/widget/progress_bar.rs
@@ -4,7 +4,10 @@
 //! as well as a length, height and style.
 //!
 //! [`ProgressBar`]: type.ProgressBar.html
-use crate::Renderer;
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::progress_bar;
+use iced_native::{Color, Rectangle};
 
 pub use iced_style::progress_bar::{Style, StyleSheet};
 
@@ -13,3 +16,58 @@ pub use iced_style::progress_bar::{Style, StyleSheet};
 /// This is an alias of an `iced_native` progress bar with an
 /// `iced_wgpu::Renderer`.
 pub type ProgressBar<Backend> = iced_native::ProgressBar<Renderer<Backend>>;
+
+impl<B> progress_bar::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn StyleSheet>;
+
+    const DEFAULT_HEIGHT: u16 = 30;
+
+    fn draw(
+        &self,
+        bounds: Rectangle,
+        range: std::ops::RangeInclusive<f32>,
+        value: f32,
+        style_sheet: &Self::Style,
+    ) -> Self::Output {
+        let style = style_sheet.style();
+
+        let (range_start, range_end) = range.into_inner();
+        let active_progress_width = bounds.width
+            * ((value - range_start) / (range_end - range_start).max(1.0));
+
+        let background = Primitive::Group {
+            primitives: vec![Primitive::Quad {
+                bounds: Rectangle { ..bounds },
+                background: style.background,
+                border_radius: style.border_radius,
+                border_width: 0,
+                border_color: Color::TRANSPARENT,
+            }],
+        };
+
+        (
+            if active_progress_width > 0.0 {
+                let bar = Primitive::Quad {
+                    bounds: Rectangle {
+                        width: active_progress_width,
+                        ..bounds
+                    },
+                    background: style.bar,
+                    border_radius: style.border_radius,
+                    border_width: 0,
+                    border_color: Color::TRANSPARENT,
+                };
+
+                Primitive::Group {
+                    primitives: vec![background, bar],
+                }
+            } else {
+                background
+            },
+            mouse::Interaction::default(),
+        )
+    }
+}
diff --git a/graphics/src/widget/radio.rs b/graphics/src/widget/radio.rs
index c621a26a..dd8b5f17 100644
--- a/graphics/src/widget/radio.rs
+++ b/graphics/src/widget/radio.rs
@@ -1,5 +1,8 @@
 //! Create choices using radio buttons.
-use crate::Renderer;
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::radio;
+use iced_native::{Background, Color, Rectangle};
 
 pub use iced_style::radio::{Style, StyleSheet};
 
@@ -9,3 +12,67 @@ pub use iced_style::radio::{Style, StyleSheet};
 /// `iced_wgpu::Renderer`.
 pub type Radio<Message, Backend> =
     iced_native::Radio<Message, Renderer<Backend>>;
+
+const SIZE: f32 = 28.0;
+const DOT_SIZE: f32 = SIZE / 2.0;
+
+impl<B> radio::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn StyleSheet>;
+
+    const DEFAULT_SIZE: u16 = SIZE as u16;
+    const DEFAULT_SPACING: u16 = 15;
+
+    fn draw(
+        &mut self,
+        bounds: Rectangle,
+        is_selected: bool,
+        is_mouse_over: bool,
+        (label, _): Self::Output,
+        style_sheet: &Self::Style,
+    ) -> Self::Output {
+        let style = if is_mouse_over {
+            style_sheet.hovered()
+        } else {
+            style_sheet.active()
+        };
+
+        let radio = Primitive::Quad {
+            bounds,
+            background: style.background,
+            border_radius: (SIZE / 2.0) as u16,
+            border_width: style.border_width,
+            border_color: style.border_color,
+        };
+
+        (
+            Primitive::Group {
+                primitives: if is_selected {
+                    let radio_circle = Primitive::Quad {
+                        bounds: Rectangle {
+                            x: bounds.x + DOT_SIZE / 2.0,
+                            y: bounds.y + DOT_SIZE / 2.0,
+                            width: bounds.width - DOT_SIZE,
+                            height: bounds.height - DOT_SIZE,
+                        },
+                        background: Background::Color(style.dot_color),
+                        border_radius: (DOT_SIZE / 2.0) as u16,
+                        border_width: 0,
+                        border_color: Color::TRANSPARENT,
+                    };
+
+                    vec![radio, radio_circle, label]
+                } else {
+                    vec![radio, label]
+                },
+            },
+            if is_mouse_over {
+                mouse::Interaction::Pointer
+            } else {
+                mouse::Interaction::default()
+            },
+        )
+    }
+}
diff --git a/graphics/src/widget/row.rs b/graphics/src/widget/row.rs
new file mode 100644
index 00000000..9865d0de
--- /dev/null
+++ b/graphics/src/widget/row.rs
@@ -0,0 +1,42 @@
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::row;
+use iced_native::{Element, Layout, Point};
+
+pub type Row<'a, Message, Backend> =
+    iced_native::Row<'a, Message, Renderer<Backend>>;
+
+impl<B> row::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    fn draw<Message>(
+        &mut self,
+        defaults: &Self::Defaults,
+        content: &[Element<'_, Message, Self>],
+        layout: Layout<'_>,
+        cursor_position: Point,
+    ) -> Self::Output {
+        let mut mouse_interaction = mouse::Interaction::default();
+
+        (
+            Primitive::Group {
+                primitives: content
+                    .iter()
+                    .zip(layout.children())
+                    .map(|(child, layout)| {
+                        let (primitive, new_mouse_interaction) =
+                            child.draw(self, defaults, layout, cursor_position);
+
+                        if new_mouse_interaction > mouse_interaction {
+                            mouse_interaction = new_mouse_interaction;
+                        }
+
+                        primitive
+                    })
+                    .collect(),
+            },
+            mouse_interaction,
+        )
+    }
+}
diff --git a/graphics/src/widget/scrollable.rs b/graphics/src/widget/scrollable.rs
index 61eae587..b149db0a 100644
--- a/graphics/src/widget/scrollable.rs
+++ b/graphics/src/widget/scrollable.rs
@@ -1,5 +1,8 @@
 //! Navigate an endless amount of content with a scrollbar.
-use crate::Renderer;
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::scrollable;
+use iced_native::{Background, Color, Rectangle, Vector};
 
 pub use iced_native::scrollable::State;
 pub use iced_style::scrollable::{Scrollbar, Scroller, StyleSheet};
@@ -11,3 +14,129 @@ pub use iced_style::scrollable::{Scrollbar, Scroller, StyleSheet};
 /// `Renderer`.
 pub type Scrollable<'a, Message, Backend> =
     iced_native::Scrollable<'a, Message, Renderer<Backend>>;
+
+const SCROLLBAR_WIDTH: u16 = 10;
+const SCROLLBAR_MARGIN: u16 = 2;
+
+impl<B> scrollable::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn iced_style::scrollable::StyleSheet>;
+
+    fn scrollbar(
+        &self,
+        bounds: Rectangle,
+        content_bounds: Rectangle,
+        offset: u32,
+    ) -> Option<scrollable::Scrollbar> {
+        if content_bounds.height > bounds.height {
+            let scrollbar_bounds = Rectangle {
+                x: bounds.x + bounds.width
+                    - f32::from(SCROLLBAR_WIDTH + 2 * SCROLLBAR_MARGIN),
+                y: bounds.y,
+                width: f32::from(SCROLLBAR_WIDTH + 2 * SCROLLBAR_MARGIN),
+                height: bounds.height,
+            };
+
+            let ratio = bounds.height / content_bounds.height;
+            let scrollbar_height = bounds.height * ratio;
+            let y_offset = offset as f32 * ratio;
+
+            let scroller_bounds = Rectangle {
+                x: scrollbar_bounds.x + f32::from(SCROLLBAR_MARGIN),
+                y: scrollbar_bounds.y + y_offset,
+                width: scrollbar_bounds.width - f32::from(2 * SCROLLBAR_MARGIN),
+                height: scrollbar_height,
+            };
+
+            Some(scrollable::Scrollbar {
+                bounds: scrollbar_bounds,
+                scroller: scrollable::Scroller {
+                    bounds: scroller_bounds,
+                },
+            })
+        } else {
+            None
+        }
+    }
+
+    fn draw(
+        &mut self,
+        state: &scrollable::State,
+        bounds: Rectangle,
+        _content_bounds: Rectangle,
+        is_mouse_over: bool,
+        is_mouse_over_scrollbar: bool,
+        scrollbar: Option<scrollable::Scrollbar>,
+        offset: u32,
+        style_sheet: &Self::Style,
+        (content, mouse_interaction): Self::Output,
+    ) -> Self::Output {
+        (
+            if let Some(scrollbar) = scrollbar {
+                let clip = Primitive::Clip {
+                    bounds,
+                    offset: Vector::new(0, offset),
+                    content: Box::new(content),
+                };
+
+                let style = if state.is_scroller_grabbed() {
+                    style_sheet.dragging()
+                } else if is_mouse_over_scrollbar {
+                    style_sheet.hovered()
+                } else {
+                    style_sheet.active()
+                };
+
+                let is_scrollbar_visible =
+                    style.background.is_some() || style.border_width > 0;
+
+                let scroller = if is_mouse_over
+                    || state.is_scroller_grabbed()
+                    || is_scrollbar_visible
+                {
+                    Primitive::Quad {
+                        bounds: scrollbar.scroller.bounds,
+                        background: Background::Color(style.scroller.color),
+                        border_radius: style.scroller.border_radius,
+                        border_width: style.scroller.border_width,
+                        border_color: style.scroller.border_color,
+                    }
+                } else {
+                    Primitive::None
+                };
+
+                let scrollbar = if is_scrollbar_visible {
+                    Primitive::Quad {
+                        bounds: Rectangle {
+                            x: scrollbar.bounds.x + f32::from(SCROLLBAR_MARGIN),
+                            width: scrollbar.bounds.width
+                                - f32::from(2 * SCROLLBAR_MARGIN),
+                            ..scrollbar.bounds
+                        },
+                        background: style
+                            .background
+                            .unwrap_or(Background::Color(Color::TRANSPARENT)),
+                        border_radius: style.border_radius,
+                        border_width: style.border_width,
+                        border_color: style.border_color,
+                    }
+                } else {
+                    Primitive::None
+                };
+
+                Primitive::Group {
+                    primitives: vec![clip, scrollbar, scroller],
+                }
+            } else {
+                content
+            },
+            if is_mouse_over_scrollbar || state.is_scroller_grabbed() {
+                mouse::Interaction::Idle
+            } else {
+                mouse_interaction
+            },
+        )
+    }
+}
diff --git a/graphics/src/widget/slider.rs b/graphics/src/widget/slider.rs
index 035c7c41..b00cde9a 100644
--- a/graphics/src/widget/slider.rs
+++ b/graphics/src/widget/slider.rs
@@ -4,7 +4,10 @@
 //!
 //! [`Slider`]: struct.Slider.html
 //! [`State`]: struct.State.html
-use crate::Renderer;
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::slider;
+use iced_native::{Background, Color, Point, Rectangle};
 
 pub use iced_native::slider::State;
 pub use iced_style::slider::{Handle, HandleShape, Style, StyleSheet};
@@ -15,3 +18,107 @@ pub use iced_style::slider::{Handle, HandleShape, Style, StyleSheet};
 /// This is an alias of an `iced_native` slider with an `iced_wgpu::Renderer`.
 pub type Slider<'a, Message, Backend> =
     iced_native::Slider<'a, Message, Renderer<Backend>>;
+
+const HANDLE_HEIGHT: f32 = 22.0;
+
+impl<B> slider::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn StyleSheet>;
+
+    fn height(&self) -> u32 {
+        30
+    }
+
+    fn draw(
+        &mut self,
+        bounds: Rectangle,
+        cursor_position: Point,
+        range: std::ops::RangeInclusive<f32>,
+        value: f32,
+        is_dragging: bool,
+        style_sheet: &Self::Style,
+    ) -> Self::Output {
+        let is_mouse_over = bounds.contains(cursor_position);
+
+        let style = if is_dragging {
+            style_sheet.dragging()
+        } else if is_mouse_over {
+            style_sheet.hovered()
+        } else {
+            style_sheet.active()
+        };
+
+        let rail_y = bounds.y + (bounds.height / 2.0).round();
+
+        let (rail_top, rail_bottom) = (
+            Primitive::Quad {
+                bounds: Rectangle {
+                    x: bounds.x,
+                    y: rail_y,
+                    width: bounds.width,
+                    height: 2.0,
+                },
+                background: Background::Color(style.rail_colors.0),
+                border_radius: 0,
+                border_width: 0,
+                border_color: Color::TRANSPARENT,
+            },
+            Primitive::Quad {
+                bounds: Rectangle {
+                    x: bounds.x,
+                    y: rail_y + 2.0,
+                    width: bounds.width,
+                    height: 2.0,
+                },
+                background: Background::Color(style.rail_colors.1),
+                border_radius: 0,
+                border_width: 0,
+                border_color: Color::TRANSPARENT,
+            },
+        );
+
+        let (range_start, range_end) = range.into_inner();
+
+        let (handle_width, handle_height, handle_border_radius) =
+            match style.handle.shape {
+                HandleShape::Circle { radius } => {
+                    (f32::from(radius * 2), f32::from(radius * 2), radius)
+                }
+                HandleShape::Rectangle {
+                    width,
+                    border_radius,
+                } => (f32::from(width), HANDLE_HEIGHT, border_radius),
+            };
+
+        let handle_offset = (bounds.width - handle_width)
+            * ((value - range_start) / (range_end - range_start).max(1.0));
+
+        let handle = Primitive::Quad {
+            bounds: Rectangle {
+                x: bounds.x + handle_offset.round(),
+                y: rail_y - handle_height / 2.0,
+                width: handle_width,
+                height: handle_height,
+            },
+            background: Background::Color(style.handle.color),
+            border_radius: handle_border_radius,
+            border_width: style.handle.border_width,
+            border_color: style.handle.border_color,
+        };
+
+        (
+            Primitive::Group {
+                primitives: vec![rail_top, rail_bottom, handle],
+            },
+            if is_dragging {
+                mouse::Interaction::Grabbing
+            } else if is_mouse_over {
+                mouse::Interaction::Grab
+            } else {
+                mouse::Interaction::default()
+            },
+        )
+    }
+}
diff --git a/graphics/src/widget/space.rs b/graphics/src/widget/space.rs
new file mode 100644
index 00000000..1f31eabe
--- /dev/null
+++ b/graphics/src/widget/space.rs
@@ -0,0 +1,15 @@
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::space;
+use iced_native::Rectangle;
+
+pub use iced_native::Space;
+
+impl<B> space::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    fn draw(&mut self, _bounds: Rectangle) -> Self::Output {
+        (Primitive::None, mouse::Interaction::default())
+    }
+}
diff --git a/graphics/src/widget/svg.rs b/graphics/src/widget/svg.rs
new file mode 100644
index 00000000..b1aa7cea
--- /dev/null
+++ b/graphics/src/widget/svg.rs
@@ -0,0 +1,28 @@
+use crate::backend::{self, Backend};
+use crate::{Primitive, Renderer};
+use iced_native::{mouse, svg, Layout};
+
+pub use iced_native::Svg;
+
+impl<B> svg::Renderer for Renderer<B>
+where
+    B: Backend + backend::Svg,
+{
+    fn dimensions(&self, handle: &svg::Handle) -> (u32, u32) {
+        self.backend().viewport_dimensions(handle)
+    }
+
+    fn draw(
+        &mut self,
+        handle: svg::Handle,
+        layout: Layout<'_>,
+    ) -> Self::Output {
+        (
+            Primitive::Svg {
+                handle,
+                bounds: layout.bounds(),
+            },
+            mouse::Interaction::default(),
+        )
+    }
+}
diff --git a/graphics/src/widget/text.rs b/graphics/src/widget/text.rs
index ec0349f9..327f8e29 100644
--- a/graphics/src/widget/text.rs
+++ b/graphics/src/widget/text.rs
@@ -1,7 +1,72 @@
 //! Write some text for your users to read.
-use crate::Renderer;
+use crate::backend::{self, Backend};
+use crate::{Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::text;
+use iced_native::{
+    Color, Font, HorizontalAlignment, Rectangle, Size, VerticalAlignment,
+};
 
 /// A paragraph of text.
 ///
 /// This is an alias of an `iced_native` text with an `iced_wgpu::Renderer`.
 pub type Text<Backend> = iced_native::Text<Renderer<Backend>>;
+
+use std::f32;
+
+impl<B> text::Renderer for Renderer<B>
+where
+    B: Backend + backend::Text,
+{
+    type Font = Font;
+
+    const DEFAULT_SIZE: u16 = 20;
+
+    fn measure(
+        &self,
+        content: &str,
+        size: u16,
+        font: Font,
+        bounds: Size,
+    ) -> (f32, f32) {
+        self.backend()
+            .measure(content, f32::from(size), font, bounds)
+    }
+
+    fn draw(
+        &mut self,
+        defaults: &Self::Defaults,
+        bounds: Rectangle,
+        content: &str,
+        size: u16,
+        font: Font,
+        color: Option<Color>,
+        horizontal_alignment: HorizontalAlignment,
+        vertical_alignment: VerticalAlignment,
+    ) -> Self::Output {
+        let x = match horizontal_alignment {
+            iced_native::HorizontalAlignment::Left => bounds.x,
+            iced_native::HorizontalAlignment::Center => bounds.center_x(),
+            iced_native::HorizontalAlignment::Right => bounds.x + bounds.width,
+        };
+
+        let y = match vertical_alignment {
+            iced_native::VerticalAlignment::Top => bounds.y,
+            iced_native::VerticalAlignment::Center => bounds.center_y(),
+            iced_native::VerticalAlignment::Bottom => bounds.y + bounds.height,
+        };
+
+        (
+            Primitive::Text {
+                content: content.to_string(),
+                size: f32::from(size),
+                bounds: Rectangle { x, y, ..bounds },
+                color: color.unwrap_or(defaults.text.color),
+                font,
+                horizontal_alignment,
+                vertical_alignment,
+            },
+            mouse::Interaction::default(),
+        )
+    }
+}
diff --git a/graphics/src/widget/text_input.rs b/graphics/src/widget/text_input.rs
index 8015626b..023bdd7f 100644
--- a/graphics/src/widget/text_input.rs
+++ b/graphics/src/widget/text_input.rs
@@ -4,7 +4,15 @@
 //!
 //! [`TextInput`]: struct.TextInput.html
 //! [`State`]: struct.State.html
-use crate::Renderer;
+use crate::backend::{self, Backend};
+use crate::{Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::text_input::{self, cursor};
+use iced_native::{
+    Background, Color, Font, HorizontalAlignment, Point, Rectangle, Size,
+    Vector, VerticalAlignment,
+};
+use std::f32;
 
 pub use iced_native::text_input::State;
 pub use iced_style::text_input::{Style, StyleSheet};
@@ -14,3 +22,259 @@ pub use iced_style::text_input::{Style, StyleSheet};
 /// This is an alias of an `iced_native` text input with an `iced_wgpu::Renderer`.
 pub type TextInput<'a, Message, Backend> =
     iced_native::TextInput<'a, Message, Renderer<Backend>>;
+
+impl<B> text_input::Renderer for Renderer<B>
+where
+    B: Backend + backend::Text,
+{
+    type Style = Box<dyn StyleSheet>;
+
+    fn default_size(&self) -> u16 {
+        // TODO: Make this configurable
+        20
+    }
+
+    fn measure_value(&self, value: &str, size: u16, font: Font) -> f32 {
+        let backend = self.backend();
+
+        let (mut width, _) =
+            backend.measure(value, f32::from(size), font, Size::INFINITY);
+
+        let spaces_around = value.len() - value.trim().len();
+
+        if spaces_around > 0 {
+            let space_width = backend.space_width(size as f32);
+            width += spaces_around as f32 * space_width;
+        }
+
+        width
+    }
+
+    fn offset(
+        &self,
+        text_bounds: Rectangle,
+        font: Font,
+        size: u16,
+        value: &text_input::Value,
+        state: &text_input::State,
+    ) -> f32 {
+        if state.is_focused() {
+            let cursor = state.cursor();
+
+            let focus_position = match cursor.state(value) {
+                cursor::State::Index(i) => i,
+                cursor::State::Selection { end, .. } => end,
+            };
+
+            let (_, offset) = measure_cursor_and_scroll_offset(
+                self,
+                text_bounds,
+                value,
+                size,
+                focus_position,
+                font,
+            );
+
+            offset
+        } else {
+            0.0
+        }
+    }
+
+    fn draw(
+        &mut self,
+        bounds: Rectangle,
+        text_bounds: Rectangle,
+        cursor_position: Point,
+        font: Font,
+        size: u16,
+        placeholder: &str,
+        value: &text_input::Value,
+        state: &text_input::State,
+        style_sheet: &Self::Style,
+    ) -> Self::Output {
+        let is_mouse_over = bounds.contains(cursor_position);
+
+        let style = if state.is_focused() {
+            style_sheet.focused()
+        } else if is_mouse_over {
+            style_sheet.hovered()
+        } else {
+            style_sheet.active()
+        };
+
+        let input = Primitive::Quad {
+            bounds,
+            background: style.background,
+            border_radius: style.border_radius,
+            border_width: style.border_width,
+            border_color: style.border_color,
+        };
+
+        let text = value.to_string();
+
+        let text_value = Primitive::Text {
+            content: if text.is_empty() {
+                placeholder.to_string()
+            } else {
+                text.clone()
+            },
+            color: if text.is_empty() {
+                style_sheet.placeholder_color()
+            } else {
+                style_sheet.value_color()
+            },
+            font,
+            bounds: Rectangle {
+                y: text_bounds.center_y(),
+                width: f32::INFINITY,
+                ..text_bounds
+            },
+            size: f32::from(size),
+            horizontal_alignment: HorizontalAlignment::Left,
+            vertical_alignment: VerticalAlignment::Center,
+        };
+
+        let (contents_primitive, offset) = if state.is_focused() {
+            let cursor = state.cursor();
+
+            let (cursor_primitive, offset) = match cursor.state(value) {
+                cursor::State::Index(position) => {
+                    let (text_value_width, offset) =
+                        measure_cursor_and_scroll_offset(
+                            self,
+                            text_bounds,
+                            value,
+                            size,
+                            position,
+                            font,
+                        );
+
+                    (
+                        Primitive::Quad {
+                            bounds: Rectangle {
+                                x: text_bounds.x + text_value_width,
+                                y: text_bounds.y,
+                                width: 1.0,
+                                height: text_bounds.height,
+                            },
+                            background: Background::Color(
+                                style_sheet.value_color(),
+                            ),
+                            border_radius: 0,
+                            border_width: 0,
+                            border_color: Color::TRANSPARENT,
+                        },
+                        offset,
+                    )
+                }
+                cursor::State::Selection { start, end } => {
+                    let left = start.min(end);
+                    let right = end.max(start);
+
+                    let (left_position, left_offset) =
+                        measure_cursor_and_scroll_offset(
+                            self,
+                            text_bounds,
+                            value,
+                            size,
+                            left,
+                            font,
+                        );
+
+                    let (right_position, right_offset) =
+                        measure_cursor_and_scroll_offset(
+                            self,
+                            text_bounds,
+                            value,
+                            size,
+                            right,
+                            font,
+                        );
+
+                    let width = right_position - left_position;
+
+                    (
+                        Primitive::Quad {
+                            bounds: Rectangle {
+                                x: text_bounds.x + left_position,
+                                y: text_bounds.y,
+                                width,
+                                height: text_bounds.height,
+                            },
+                            background: Background::Color(
+                                style_sheet.selection_color(),
+                            ),
+                            border_radius: 0,
+                            border_width: 0,
+                            border_color: Color::TRANSPARENT,
+                        },
+                        if end == right {
+                            right_offset
+                        } else {
+                            left_offset
+                        },
+                    )
+                }
+            };
+
+            (
+                Primitive::Group {
+                    primitives: vec![cursor_primitive, text_value],
+                },
+                Vector::new(offset as u32, 0),
+            )
+        } else {
+            (text_value, Vector::new(0, 0))
+        };
+
+        let text_width = self.measure_value(
+            if text.is_empty() { placeholder } else { &text },
+            size,
+            font,
+        );
+
+        let contents = if text_width > text_bounds.width {
+            Primitive::Clip {
+                bounds: text_bounds,
+                offset,
+                content: Box::new(contents_primitive),
+            }
+        } else {
+            contents_primitive
+        };
+
+        (
+            Primitive::Group {
+                primitives: vec![input, contents],
+            },
+            if is_mouse_over {
+                mouse::Interaction::Text
+            } else {
+                mouse::Interaction::default()
+            },
+        )
+    }
+}
+
+fn measure_cursor_and_scroll_offset<B>(
+    renderer: &Renderer<B>,
+    text_bounds: Rectangle,
+    value: &text_input::Value,
+    size: u16,
+    cursor_index: usize,
+    font: Font,
+) -> (f32, f32)
+where
+    B: Backend + backend::Text,
+{
+    use iced_native::text_input::Renderer;
+
+    let text_before_cursor = value.until(cursor_index).to_string();
+
+    let text_value_width =
+        renderer.measure_value(&text_before_cursor, size, font);
+    let offset = ((text_value_width + 5.0) - text_bounds.width).max(0.0);
+
+    (text_value_width, offset)
+}