Package examples and remove `dev-dependencies`

2 files changed, 523 insertions, 0 deletions

diff --git a/examples/styling/Cargo.toml b/examples/styling/Cargo.toml
new file mode 100644
index 00000000..eb729f93
--- /dev/null
+++ b/examples/styling/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "styling"
+version = "0.1.0"
+authors = ["Héctor Ramón Jiménez <hector0193@gmail.com>"]
+edition = "2018"
+publish = false
+
+[dependencies]
+iced = { path = "../.." }
diff --git a/examples/styling/src/main.rs b/examples/styling/src/main.rs
new file mode 100644
index 00000000..50095ec7
--- /dev/null
+++ b/examples/styling/src/main.rs
@@ -0,0 +1,514 @@
+use iced::{
+    button, scrollable, slider, text_input, Align, Button, Checkbox, Column,
+    Container, Element, Length, ProgressBar, Radio, Row, Sandbox, Scrollable,
+    Settings, Slider, Space, Text, TextInput,
+};
+
+pub fn main() {
+    Styling::run(Settings::default())
+}
+
+#[derive(Default)]
+struct Styling {
+    theme: style::Theme,
+    scroll: scrollable::State,
+    input: text_input::State,
+    input_value: String,
+    button: button::State,
+    slider: slider::State,
+    slider_value: f32,
+    toggle_value: bool,
+}
+
+#[derive(Debug, Clone)]
+enum Message {
+    ThemeChanged(style::Theme),
+    InputChanged(String),
+    ButtonPressed,
+    SliderChanged(f32),
+    CheckboxToggled(bool),
+}
+
+impl Sandbox for Styling {
+    type Message = Message;
+
+    fn new() -> Self {
+        Styling::default()
+    }
+
+    fn title(&self) -> String {
+        String::from("Styling - Iced")
+    }
+
+    fn update(&mut self, message: Message) {
+        match message {
+            Message::ThemeChanged(theme) => self.theme = theme,
+            Message::InputChanged(value) => self.input_value = value,
+            Message::ButtonPressed => (),
+            Message::SliderChanged(value) => self.slider_value = value,
+            Message::CheckboxToggled(value) => self.toggle_value = value,
+        }
+    }
+
+    fn view(&mut self) -> Element<Message> {
+        let choose_theme = style::Theme::ALL.iter().fold(
+            Column::new().spacing(10).push(Text::new("Choose a theme:")),
+            |column, theme| {
+                column.push(
+                    Radio::new(
+                        *theme,
+                        &format!("{:?}", theme),
+                        Some(self.theme),
+                        Message::ThemeChanged,
+                    )
+                    .style(self.theme),
+                )
+            },
+        );
+
+        let text_input = TextInput::new(
+            &mut self.input,
+            "Type something...",
+            &self.input_value,
+            Message::InputChanged,
+        )
+        .padding(10)
+        .size(20)
+        .style(self.theme);
+
+        let button = Button::new(&mut self.button, Text::new("Submit"))
+            .padding(10)
+            .on_press(Message::ButtonPressed)
+            .style(self.theme);
+
+        let slider = Slider::new(
+            &mut self.slider,
+            0.0..=100.0,
+            self.slider_value,
+            Message::SliderChanged,
+        )
+        .style(self.theme);
+
+        let progress_bar =
+            ProgressBar::new(0.0..=100.0, self.slider_value).style(self.theme);
+
+        let scrollable = Scrollable::new(&mut self.scroll)
+            .height(Length::Units(100))
+            .style(self.theme)
+            .push(Text::new("Scroll me!"))
+            .push(Space::with_height(Length::Units(800)))
+            .push(Text::new("You did it!"));
+
+        let checkbox = Checkbox::new(
+            self.toggle_value,
+            "Toggle me!",
+            Message::CheckboxToggled,
+        )
+        .style(self.theme);
+
+        let content = Column::new()
+            .spacing(20)
+            .padding(20)
+            .max_width(600)
+            .push(choose_theme)
+            .push(Row::new().spacing(10).push(text_input).push(button))
+            .push(slider)
+            .push(progress_bar)
+            .push(
+                Row::new()
+                    .spacing(10)
+                    .align_items(Align::Center)
+                    .push(scrollable)
+                    .push(checkbox),
+            );
+
+        Container::new(content)
+            .width(Length::Fill)
+            .height(Length::Fill)
+            .center_x()
+            .center_y()
+            .style(self.theme)
+            .into()
+    }
+}
+
+mod style {
+    use iced::{
+        button, checkbox, container, progress_bar, radio, scrollable, slider,
+        text_input,
+    };
+
+    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+    pub enum Theme {
+        Light,
+        Dark,
+    }
+
+    impl Theme {
+        pub const ALL: [Theme; 2] = [Theme::Light, Theme::Dark];
+    }
+
+    impl Default for Theme {
+        fn default() -> Theme {
+            Theme::Light
+        }
+    }
+
+    impl From<Theme> for Box<dyn container::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::Container.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn radio::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::Radio.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn text_input::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::TextInput.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn button::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => light::Button.into(),
+                Theme::Dark => dark::Button.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn scrollable::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::Scrollable.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn slider::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::Slider.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn progress_bar::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::ProgressBar.into(),
+            }
+        }
+    }
+
+    impl From<Theme> for Box<dyn checkbox::StyleSheet> {
+        fn from(theme: Theme) -> Self {
+            match theme {
+                Theme::Light => Default::default(),
+                Theme::Dark => dark::Checkbox.into(),
+            }
+        }
+    }
+
+    mod light {
+        use iced::{button, Background, Color, Vector};
+
+        pub struct Button;
+
+        impl button::StyleSheet for Button {
+            fn active(&self) -> button::Style {
+                button::Style {
+                    background: Some(Background::Color(Color::from_rgb(
+                        0.11, 0.42, 0.87,
+                    ))),
+                    border_radius: 12,
+                    shadow_offset: Vector::new(1.0, 1.0),
+                    text_color: Color::from_rgb8(0xEE, 0xEE, 0xEE),
+                    ..button::Style::default()
+                }
+            }
+
+            fn hovered(&self) -> button::Style {
+                button::Style {
+                    text_color: Color::WHITE,
+                    shadow_offset: Vector::new(1.0, 2.0),
+                    ..self.active()
+                }
+            }
+        }
+    }
+
+    mod dark {
+        use iced::{
+            button, checkbox, container, progress_bar, radio, scrollable,
+            slider, text_input, Background, Color,
+        };
+
+        const SURFACE: Color = Color::from_rgb(
+            0x40 as f32 / 255.0,
+            0x44 as f32 / 255.0,
+            0x4B as f32 / 255.0,
+        );
+
+        const ACCENT: Color = Color::from_rgb(
+            0x6F as f32 / 255.0,
+            0xFF as f32 / 255.0,
+            0xE9 as f32 / 255.0,
+        );
+
+        const ACTIVE: Color = Color::from_rgb(
+            0x72 as f32 / 255.0,
+            0x89 as f32 / 255.0,
+            0xDA as f32 / 255.0,
+        );
+
+        const HOVERED: Color = Color::from_rgb(
+            0x67 as f32 / 255.0,
+            0x7B as f32 / 255.0,
+            0xC4 as f32 / 255.0,
+        );
+
+        pub struct Container;
+
+        impl container::StyleSheet for Container {
+            fn style(&self) -> container::Style {
+                container::Style {
+                    background: Some(Background::Color(Color::from_rgb8(
+                        0x36, 0x39, 0x3F,
+                    ))),
+                    text_color: Some(Color::WHITE),
+                    ..container::Style::default()
+                }
+            }
+        }
+
+        pub struct Radio;
+
+        impl radio::StyleSheet for Radio {
+            fn active(&self) -> radio::Style {
+                radio::Style {
+                    background: Background::Color(SURFACE),
+                    dot_color: ACTIVE,
+                    border_width: 1,
+                    border_color: ACTIVE,
+                }
+            }
+
+            fn hovered(&self) -> radio::Style {
+                radio::Style {
+                    background: Background::Color(Color { a: 0.5, ..SURFACE }),
+                    ..self.active()
+                }
+            }
+        }
+
+        pub struct TextInput;
+
+        impl text_input::StyleSheet for TextInput {
+            fn active(&self) -> text_input::Style {
+                text_input::Style {
+                    background: Background::Color(SURFACE),
+                    border_radius: 2,
+                    border_width: 0,
+                    border_color: Color::TRANSPARENT,
+                }
+            }
+
+            fn focused(&self) -> text_input::Style {
+                text_input::Style {
+                    border_width: 1,
+                    border_color: ACCENT,
+                    ..self.active()
+                }
+            }
+
+            fn hovered(&self) -> text_input::Style {
+                text_input::Style {
+                    border_width: 1,
+                    border_color: Color { a: 0.3, ..ACCENT },
+                    ..self.focused()
+                }
+            }
+
+            fn placeholder_color(&self) -> Color {
+                Color::from_rgb(0.4, 0.4, 0.4)
+            }
+
+            fn value_color(&self) -> Color {
+                Color::WHITE
+            }
+        }
+
+        pub struct Button;
+
+        impl button::StyleSheet for Button {
+            fn active(&self) -> button::Style {
+                button::Style {
+                    background: Some(Background::Color(ACTIVE)),
+                    border_radius: 3,
+                    text_color: Color::WHITE,
+                    ..button::Style::default()
+                }
+            }
+
+            fn hovered(&self) -> button::Style {
+                button::Style {
+                    background: Some(Background::Color(HOVERED)),
+                    text_color: Color::WHITE,
+                    ..self.active()
+                }
+            }
+
+            fn pressed(&self) -> button::Style {
+                button::Style {
+                    border_width: 1,
+                    border_color: Color::WHITE,
+                    ..self.hovered()
+                }
+            }
+        }
+
+        pub struct Scrollable;
+
+        impl scrollable::StyleSheet for Scrollable {
+            fn active(&self) -> scrollable::Scrollbar {
+                scrollable::Scrollbar {
+                    background: Some(Background::Color(SURFACE)),
+                    border_radius: 2,
+                    border_width: 0,
+                    border_color: Color::TRANSPARENT,
+                    scroller: scrollable::Scroller {
+                        color: ACTIVE,
+                        border_radius: 2,
+                        border_width: 0,
+                        border_color: Color::TRANSPARENT,
+                    },
+                }
+            }
+
+            fn hovered(&self) -> scrollable::Scrollbar {
+                let active = self.active();
+
+                scrollable::Scrollbar {
+                    background: Some(Background::Color(Color {
+                        a: 0.5,
+                        ..SURFACE
+                    })),
+                    scroller: scrollable::Scroller {
+                        color: HOVERED,
+                        ..active.scroller
+                    },
+                    ..active
+                }
+            }
+
+            fn dragging(&self) -> scrollable::Scrollbar {
+                let hovered = self.hovered();
+
+                scrollable::Scrollbar {
+                    scroller: scrollable::Scroller {
+                        color: Color::from_rgb(0.85, 0.85, 0.85),
+                        ..hovered.scroller
+                    },
+                    ..hovered
+                }
+            }
+        }
+
+        pub struct Slider;
+
+        impl slider::StyleSheet for Slider {
+            fn active(&self) -> slider::Style {
+                slider::Style {
+                    rail_colors: (ACTIVE, Color { a: 0.1, ..ACTIVE }),
+                    handle: slider::Handle {
+                        shape: slider::HandleShape::Circle { radius: 9 },
+                        color: ACTIVE,
+                        border_width: 0,
+                        border_color: Color::TRANSPARENT,
+                    },
+                }
+            }
+
+            fn hovered(&self) -> slider::Style {
+                let active = self.active();
+
+                slider::Style {
+                    handle: slider::Handle {
+                        color: HOVERED,
+                        ..active.handle
+                    },
+                    ..active
+                }
+            }
+
+            fn dragging(&self) -> slider::Style {
+                let active = self.active();
+
+                slider::Style {
+                    handle: slider::Handle {
+                        color: Color::from_rgb(0.85, 0.85, 0.85),
+                        ..active.handle
+                    },
+                    ..active
+                }
+            }
+        }
+
+        pub struct ProgressBar;
+
+        impl progress_bar::StyleSheet for ProgressBar {
+            fn style(&self) -> progress_bar::Style {
+                progress_bar::Style {
+                    background: Background::Color(SURFACE),
+                    bar: Background::Color(ACTIVE),
+                    border_radius: 10,
+                }
+            }
+        }
+
+        pub struct Checkbox;
+
+        impl checkbox::StyleSheet for Checkbox {
+            fn active(&self, is_checked: bool) -> checkbox::Style {
+                checkbox::Style {
+                    background: Background::Color(if is_checked {
+                        ACTIVE
+                    } else {
+                        SURFACE
+                    }),
+                    checkmark_color: Color::WHITE,
+                    border_radius: 2,
+                    border_width: 1,
+                    border_color: ACTIVE,
+                }
+            }
+
+            fn hovered(&self, is_checked: bool) -> checkbox::Style {
+                checkbox::Style {
+                    background: Background::Color(Color {
+                        a: 0.8,
+                        ..if is_checked { ACTIVE } else { SURFACE }
+                    }),
+                    ..self.active(is_checked)
+                }
+            }
+        }
+    }
+}