Replace stateful widgets with new `iced_pure` API

1 files changed, 46 insertions, 88 deletions

diff --git a/examples/tooltip/src/main.rs b/examples/tooltip/src/main.rs
index 7c800112..35b862a8 100644
--- a/examples/tooltip/src/main.rs
+++ b/examples/tooltip/src/main.rs
@@ -1,117 +1,75 @@
-use iced::alignment::{self, Alignment};
-use iced::button;
 use iced::theme;
-use iced::tooltip::{self, Tooltip};
-use iced::{
-    Button, Column, Container, Element, Length, Row, Sandbox, Settings, Text,
-};
+use iced::widget::tooltip::Position;
+use iced::widget::{button, container, tooltip};
+use iced::{Element, Length, Sandbox, Settings};
 
-pub fn main() {
-    Example::run(Settings::default()).unwrap()
+pub fn main() -> iced::Result {
+    Example::run(Settings::default())
 }
 
-#[derive(Default)]
 struct Example {
-    top: button::State,
-    bottom: button::State,
-    right: button::State,
-    left: button::State,
-    follow_cursor: button::State,
+    position: Position,
 }
 
-#[derive(Debug, Clone, Copy)]
-struct Message;
+#[derive(Debug, Clone)]
+enum Message {
+    ChangePosition,
+}
 
 impl Sandbox for Example {
     type Message = Message;
 
     fn new() -> Self {
-        Self::default()
+        Self {
+            position: Position::Bottom,
+        }
     }
 
     fn title(&self) -> String {
         String::from("Tooltip - Iced")
     }
 
-    fn update(&mut self, _message: Message) {}
-
-    fn view(&mut self) -> Element<Message> {
-        let top =
-            tooltip("Tooltip at top", &mut self.top, tooltip::Position::Top);
-
-        let bottom = tooltip(
-            "Tooltip at bottom",
-            &mut self.bottom,
-            tooltip::Position::Bottom,
-        );
-
-        let left =
-            tooltip("Tooltip at left", &mut self.left, tooltip::Position::Left);
-
-        let right = tooltip(
-            "Tooltip at right",
-            &mut self.right,
-            tooltip::Position::Right,
-        );
-
-        let fixed_tooltips = Row::with_children(vec![top, bottom, left, right])
-            .width(Length::Fill)
-            .height(Length::Fill)
-            .align_items(Alignment::Center)
-            .spacing(50);
-
-        let follow_cursor = tooltip(
-            "Tooltip follows cursor",
-            &mut self.follow_cursor,
-            tooltip::Position::FollowCursor,
-        );
+    fn update(&mut self, message: Message) {
+        match message {
+            Message::ChangePosition => {
+                let position = match &self.position {
+                    Position::FollowCursor => Position::Top,
+                    Position::Top => Position::Bottom,
+                    Position::Bottom => Position::Left,
+                    Position::Left => Position::Right,
+                    Position::Right => Position::FollowCursor,
+                };
+
+                self.position = position
+            }
+        }
+    }
 
-        let content = Column::with_children(vec![
-            Container::new(fixed_tooltips)
-                .width(Length::Fill)
-                .height(Length::Fill)
-                .center_x()
-                .center_y()
-                .into(),
-            follow_cursor,
-        ])
-        .width(Length::Fill)
-        .height(Length::Fill)
-        .spacing(50);
+    fn view(&self) -> Element<Message> {
+        let tooltip = tooltip(
+            button("Press to change position")
+                .on_press(Message::ChangePosition),
+            position_to_text(self.position),
+            self.position,
+        )
+        .gap(10)
+        .style(theme::Container::Box);
 
-        Container::new(content)
+        container(tooltip)
             .width(Length::Fill)
             .height(Length::Fill)
             .center_x()
             .center_y()
-            .padding(50)
             .into()
     }
 }
 
-fn tooltip<'a>(
-    label: &str,
-    button_state: &'a mut button::State,
-    position: tooltip::Position,
-) -> Element<'a, Message> {
-    Tooltip::new(
-        Button::new(
-            button_state,
-            Text::new(label)
-                .size(40)
-                .width(Length::Fill)
-                .height(Length::Fill)
-                .horizontal_alignment(alignment::Horizontal::Center)
-                .vertical_alignment(alignment::Vertical::Center),
-        )
-        .on_press(Message)
-        .width(Length::Fill)
-        .height(Length::Fill),
-        "Tooltip",
-        position,
-    )
-    .gap(5)
-    .padding(10)
-    .style(theme::Container::Box)
-    .into()
+fn position_to_text<'a>(position: Position) -> &'a str {
+    match position {
+        Position::FollowCursor => "Follow Cursor",
+        Position::Top => "Top",
+        Position::Bottom => "Bottom",
+        Position::Left => "Left",
+        Position::Right => "Right",
+    }
 }