me/iced
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Reuse Tooltip draw logic in iced_pure

Browse source
This commit is contained in:
Héctor Ramón Jiménez 2022-04-24 20:45:43 +07:00
parent 011b7d1112
commit e33f43af31
No known key found for this signature in database
GPG key ID: 140CC052C94F138E
2 changed files with 155 additions and 182 deletions
Download patch file Download diff file Expand all files Collapse all files

219
native/src/widget/tooltip.rs
View file

@ -98,6 +98,117 @@ pub enum Position {
Right,
}
/// Draws a [`Tooltip`].
pub fn draw<Renderer: crate::Renderer>(
renderer: &mut Renderer,
inherited_style: &renderer::Style,
layout: Layout<'_>,
cursor_position: Point,
viewport: &Rectangle,
position: Position,
gap: u16,
padding: u16,
style_sheet: &dyn container::StyleSheet,
layout_text: impl FnOnce(&Renderer, &layout::Limits) -> layout::Node,
draw_text: impl FnOnce(
&mut Renderer,
&renderer::Style,
Layout<'_>,
Point,
&Rectangle,
),
) {
let bounds = layout.bounds();
if bounds.contains(cursor_position) {
let gap = f32::from(gap);
let style = style_sheet.style();
let defaults = renderer::Style {
text_color: style.text_color.unwrap_or(inherited_style.text_color),
};
let text_layout = layout_text(
renderer,
&layout::Limits::new(Size::ZERO, viewport.size())
.pad(Padding::new(padding)),
);
let padding = f32::from(padding);
let text_bounds = text_layout.bounds();
let x_center = bounds.x + (bounds.width - text_bounds.width) / 2.0;
let y_center = bounds.y + (bounds.height - text_bounds.height) / 2.0;
let mut tooltip_bounds = {
let offset = match position {
Position::Top => Vector::new(
x_center,
bounds.y - text_bounds.height - gap - padding,
),
Position::Bottom => Vector::new(
x_center,
bounds.y + bounds.height + gap + padding,
),
Position::Left => Vector::new(
bounds.x - text_bounds.width - gap - padding,
y_center,
),
Position::Right => Vector::new(
bounds.x + bounds.width + gap + padding,
y_center,
),
Position::FollowCursor => Vector::new(
cursor_position.x,
cursor_position.y - text_bounds.height,
),
};
Rectangle {
x: offset.x - padding,
y: offset.y - padding,
width: text_bounds.width + padding * 2.0,
height: text_bounds.height + padding * 2.0,
}
};
if tooltip_bounds.x < viewport.x {
tooltip_bounds.x = viewport.x;
} else if viewport.x + viewport.width
< tooltip_bounds.x + tooltip_bounds.width
{
tooltip_bounds.x =
viewport.x + viewport.width - tooltip_bounds.width;
}
if tooltip_bounds.y < viewport.y {
tooltip_bounds.y = viewport.y;
} else if viewport.y + viewport.height
< tooltip_bounds.y + tooltip_bounds.height
{
tooltip_bounds.y =
viewport.y + viewport.height - tooltip_bounds.height;
}
renderer.with_layer(*viewport, |renderer| {
container::draw_background(renderer, &style, tooltip_bounds);
draw_text(
renderer,
&defaults,
Layout::with_offset(
Vector::new(
tooltip_bounds.x + padding,
tooltip_bounds.y + padding,
),
&text_layout,
),
cursor_position,
viewport,
)
});
}
}
impl<'a, Message, Renderer> Widget<Message, Renderer>
for Tooltip<'a, Message, Renderer>
where
@ -169,100 +280,32 @@ where
viewport,
);
let bounds = layout.bounds();
if bounds.contains(cursor_position) {
let gap = f32::from(self.gap);
let style = self.style_sheet.style();
let defaults = renderer::Style {
text_color: style
.text_color
.unwrap_or(inherited_style.text_color),
};
let text_layout = Widget::<(), Renderer>::layout(
&self.tooltip,
renderer,
&layout::Limits::new(Size::ZERO, viewport.size())
.pad(Padding::new(self.padding)),
);
let padding = f32::from(self.padding);
let text_bounds = text_layout.bounds();
let x_center = bounds.x + (bounds.width - text_bounds.width) / 2.0;
let y_center =
bounds.y + (bounds.height - text_bounds.height) / 2.0;
let mut tooltip_bounds = {
let offset = match self.position {
Position::Top => Vector::new(
x_center,
bounds.y - text_bounds.height - gap - padding,
),
Position::Bottom => Vector::new(
x_center,
bounds.y + bounds.height + gap + padding,
),
Position::Left => Vector::new(
bounds.x - text_bounds.width - gap - padding,
y_center,
),
Position::Right => Vector::new(
bounds.x + bounds.width + gap + padding,
y_center,
),
Position::FollowCursor => Vector::new(
cursor_position.x,
cursor_position.y - text_bounds.height,
),
};
Rectangle {
x: offset.x - padding,
y: offset.y - padding,
width: text_bounds.width + padding * 2.0,
height: text_bounds.height + padding * 2.0,
}
};
if tooltip_bounds.x < viewport.x {
tooltip_bounds.x = viewport.x;
} else if viewport.x + viewport.width
< tooltip_bounds.x + tooltip_bounds.width
{
tooltip_bounds.x =
viewport.x + viewport.width - tooltip_bounds.width;
}
if tooltip_bounds.y < viewport.y {
tooltip_bounds.y = viewport.y;
} else if viewport.y + viewport.height
< tooltip_bounds.y + tooltip_bounds.height
{
tooltip_bounds.y =
viewport.y + viewport.height - tooltip_bounds.height;
}
renderer.with_layer(*viewport, |renderer| {
container::draw_background(renderer, &style, tooltip_bounds);
let tooltip = &self.tooltip;
draw(
renderer,
inherited_style,
layout,
cursor_position,
viewport,
self.position,
self.gap,
self.padding,
self.style_sheet.as_ref(),
|renderer, limits| {
Widget::<(), Renderer>::layout(tooltip, renderer, limits)
},
|renderer, defaults, layout, cursor_position, viewport| {
Widget::<(), Renderer>::draw(
&self.tooltip,
tooltip,
renderer,
&defaults,
Layout::with_offset(
Vector::new(
tooltip_bounds.x + padding,
tooltip_bounds.y + padding,
),
&text_layout,
),
defaults,
layout,
cursor_position,
viewport,
);
});
}
},
)
}
}