pub struct GridTrack { /* private fields */ }
Expand description
A GridTrack
is a Row or Column of a CSS Grid. This struct specifies what size the track should be.
See below for the different “track sizing functions” you can specify.
Implementations§
§impl GridTrack
impl GridTrack
pub const DEFAULT: GridTrack = _
pub fn px<T>(value: f32) -> T
pub fn px<T>(value: f32) -> T
Create a grid track with a fixed pixel size
Examples found in repository?
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fn spawn_layout(mut commands: Commands, asset_server: Res<AssetServer>) {
let font = asset_server.load("fonts/FiraSans-Bold.ttf");
commands.spawn(Camera2dBundle::default());
// Top-level grid (app frame)
commands
.spawn(NodeBundle {
style: Style {
// Use the CSS Grid algorithm for laying out this node
display: Display::Grid,
// Make node fill the entirety of its parent (in this case the window)
width: Val::Percent(100.0),
height: Val::Percent(100.0),
// Set the grid to have 2 columns with sizes [min-content, minmax(0, 1fr)]
// - The first column will size to the size of its contents
// - The second column will take up the remaining available space
grid_template_columns: vec![GridTrack::min_content(), GridTrack::flex(1.0)],
// Set the grid to have 3 rows with sizes [auto, minmax(0, 1fr), 20px]
// - The first row will size to the size of its contents
// - The second row take up remaining available space (after rows 1 and 3 have both been sized)
// - The third row will be exactly 20px high
grid_template_rows: vec![
GridTrack::auto(),
GridTrack::flex(1.0),
GridTrack::px(20.),
],
..default()
},
background_color: BackgroundColor(Color::WHITE),
..default()
})
.with_children(|builder| {
// Header
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Make this node span two grid columns so that it takes up the entire top tow
grid_column: GridPlacement::span(2),
padding: UiRect::all(Val::Px(6.0)),
..default()
},
..default()
})
.with_children(|builder| {
spawn_nested_text_bundle(builder, font.clone(), "Bevy CSS Grid Layout Example");
});
// Main content grid (auto placed in row 2, column 1)
builder
.spawn(NodeBundle {
style: Style {
// Make the height of the node fill its parent
height: Val::Percent(100.0),
// Make the grid have a 1:1 aspect ratio meaning it will scale as an exact square
// As the height is set explicitly, this means the width will adjust to match the height
aspect_ratio: Some(1.0),
// Use grid layout for this node
display: Display::Grid,
// Add 24px of padding around the grid
padding: UiRect::all(Val::Px(24.0)),
// Set the grid to have 4 columns all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized columns
grid_template_columns: RepeatedGridTrack::flex(4, 1.0),
// Set the grid to have 4 rows all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized rows
grid_template_rows: RepeatedGridTrack::flex(4, 1.0),
// Set a 12px gap/gutter between rows and columns
row_gap: Val::Px(12.0),
column_gap: Val::Px(12.0),
..default()
},
background_color: BackgroundColor(Color::srgb(0.25, 0.25, 0.25)),
..default()
})
.with_children(|builder| {
// Note there is no need to specify the position for each grid item. Grid items that are
// not given an explicit position will be automatically positioned into the next available
// grid cell. The order in which this is performed can be controlled using the grid_auto_flow
// style property.
item_rect(builder, ORANGE);
item_rect(builder, BISQUE);
item_rect(builder, BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, AQUA);
item_rect(builder, ORANGE_RED);
item_rect(builder, DARK_GREEN);
item_rect(builder, FUCHSIA);
item_rect(builder, TEAL);
item_rect(builder, ALICE_BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, ANTIQUE_WHITE);
item_rect(builder, YELLOW);
item_rect(builder, DEEP_PINK);
item_rect(builder, YELLOW_GREEN);
item_rect(builder, SALMON);
});
// Right side bar (auto placed in row 2, column 2)
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Align content towards the start (top) in the vertical axis
align_items: AlignItems::Start,
// Align content towards the center in the horizontal axis
justify_items: JustifyItems::Center,
// Add 10px padding
padding: UiRect::all(Val::Px(10.)),
// Add an fr track to take up all the available space at the bottom of the column so that the text nodes
// can be top-aligned. Normally you'd use flexbox for this, but this is the CSS Grid example so we're using grid.
grid_template_rows: vec![GridTrack::auto(), GridTrack::auto(), GridTrack::fr(1.0)],
// Add a 10px gap between rows
row_gap: Val::Px(10.),
..default()
},
background_color: BackgroundColor(BLACK.into()),
..default()
})
.with_children(|builder| {
builder.spawn(TextBundle::from_section(
"Sidebar",
TextStyle {
font: font.clone(),
font_size: 24.0,
..default()
},
));
builder.spawn(TextBundle::from_section(
"A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely.",
TextStyle {
font: font.clone(),
font_size: 16.0,
..default()
},
));
builder.spawn(NodeBundle::default());
});
// Footer / status bar
builder.spawn(NodeBundle {
style: Style {
// Make this node span two grid column so that it takes up the entire bottom row
grid_column: GridPlacement::span(2),
..default()
},
background_color: BackgroundColor(WHITE.into()),
..default()
});
// Modal (absolutely positioned on top of content - currently hidden: to view it, change its visibility)
builder.spawn(NodeBundle {
visibility: Visibility::Hidden,
style: Style {
position_type: PositionType::Absolute,
margin: UiRect {
top: Val::Px(100.),
bottom: Val::Auto,
left: Val::Auto,
right: Val::Auto,
},
width: Val::Percent(60.),
height: Val::Px(300.),
max_width: Val::Px(600.),
..default()
},
background_color: BackgroundColor(Color::WHITE.with_alpha(0.8)),
..default()
});
});
}
pub fn fr<T>(value: f32) -> T
pub fn fr<T>(value: f32) -> T
Create a grid track with an fr
size.
Note that this will give the track a content-based minimum size.
Usually you are best off using GridTrack::flex
instead which uses a zero minimum size.
Examples found in repository?
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fn spawn_layout(mut commands: Commands, asset_server: Res<AssetServer>) {
let font = asset_server.load("fonts/FiraSans-Bold.ttf");
commands.spawn(Camera2dBundle::default());
// Top-level grid (app frame)
commands
.spawn(NodeBundle {
style: Style {
// Use the CSS Grid algorithm for laying out this node
display: Display::Grid,
// Make node fill the entirety of its parent (in this case the window)
width: Val::Percent(100.0),
height: Val::Percent(100.0),
// Set the grid to have 2 columns with sizes [min-content, minmax(0, 1fr)]
// - The first column will size to the size of its contents
// - The second column will take up the remaining available space
grid_template_columns: vec![GridTrack::min_content(), GridTrack::flex(1.0)],
// Set the grid to have 3 rows with sizes [auto, minmax(0, 1fr), 20px]
// - The first row will size to the size of its contents
// - The second row take up remaining available space (after rows 1 and 3 have both been sized)
// - The third row will be exactly 20px high
grid_template_rows: vec![
GridTrack::auto(),
GridTrack::flex(1.0),
GridTrack::px(20.),
],
..default()
},
background_color: BackgroundColor(Color::WHITE),
..default()
})
.with_children(|builder| {
// Header
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Make this node span two grid columns so that it takes up the entire top tow
grid_column: GridPlacement::span(2),
padding: UiRect::all(Val::Px(6.0)),
..default()
},
..default()
})
.with_children(|builder| {
spawn_nested_text_bundle(builder, font.clone(), "Bevy CSS Grid Layout Example");
});
// Main content grid (auto placed in row 2, column 1)
builder
.spawn(NodeBundle {
style: Style {
// Make the height of the node fill its parent
height: Val::Percent(100.0),
// Make the grid have a 1:1 aspect ratio meaning it will scale as an exact square
// As the height is set explicitly, this means the width will adjust to match the height
aspect_ratio: Some(1.0),
// Use grid layout for this node
display: Display::Grid,
// Add 24px of padding around the grid
padding: UiRect::all(Val::Px(24.0)),
// Set the grid to have 4 columns all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized columns
grid_template_columns: RepeatedGridTrack::flex(4, 1.0),
// Set the grid to have 4 rows all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized rows
grid_template_rows: RepeatedGridTrack::flex(4, 1.0),
// Set a 12px gap/gutter between rows and columns
row_gap: Val::Px(12.0),
column_gap: Val::Px(12.0),
..default()
},
background_color: BackgroundColor(Color::srgb(0.25, 0.25, 0.25)),
..default()
})
.with_children(|builder| {
// Note there is no need to specify the position for each grid item. Grid items that are
// not given an explicit position will be automatically positioned into the next available
// grid cell. The order in which this is performed can be controlled using the grid_auto_flow
// style property.
item_rect(builder, ORANGE);
item_rect(builder, BISQUE);
item_rect(builder, BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, AQUA);
item_rect(builder, ORANGE_RED);
item_rect(builder, DARK_GREEN);
item_rect(builder, FUCHSIA);
item_rect(builder, TEAL);
item_rect(builder, ALICE_BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, ANTIQUE_WHITE);
item_rect(builder, YELLOW);
item_rect(builder, DEEP_PINK);
item_rect(builder, YELLOW_GREEN);
item_rect(builder, SALMON);
});
// Right side bar (auto placed in row 2, column 2)
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Align content towards the start (top) in the vertical axis
align_items: AlignItems::Start,
// Align content towards the center in the horizontal axis
justify_items: JustifyItems::Center,
// Add 10px padding
padding: UiRect::all(Val::Px(10.)),
// Add an fr track to take up all the available space at the bottom of the column so that the text nodes
// can be top-aligned. Normally you'd use flexbox for this, but this is the CSS Grid example so we're using grid.
grid_template_rows: vec![GridTrack::auto(), GridTrack::auto(), GridTrack::fr(1.0)],
// Add a 10px gap between rows
row_gap: Val::Px(10.),
..default()
},
background_color: BackgroundColor(BLACK.into()),
..default()
})
.with_children(|builder| {
builder.spawn(TextBundle::from_section(
"Sidebar",
TextStyle {
font: font.clone(),
font_size: 24.0,
..default()
},
));
builder.spawn(TextBundle::from_section(
"A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely.",
TextStyle {
font: font.clone(),
font_size: 16.0,
..default()
},
));
builder.spawn(NodeBundle::default());
});
// Footer / status bar
builder.spawn(NodeBundle {
style: Style {
// Make this node span two grid column so that it takes up the entire bottom row
grid_column: GridPlacement::span(2),
..default()
},
background_color: BackgroundColor(WHITE.into()),
..default()
});
// Modal (absolutely positioned on top of content - currently hidden: to view it, change its visibility)
builder.spawn(NodeBundle {
visibility: Visibility::Hidden,
style: Style {
position_type: PositionType::Absolute,
margin: UiRect {
top: Val::Px(100.),
bottom: Val::Auto,
left: Val::Auto,
right: Val::Auto,
},
width: Val::Percent(60.),
height: Val::Px(300.),
max_width: Val::Px(600.),
..default()
},
background_color: BackgroundColor(Color::WHITE.with_alpha(0.8)),
..default()
});
});
}
pub fn flex<T>(value: f32) -> T
pub fn flex<T>(value: f32) -> T
Create a grid track with a minmax(0, Nfr)
size.
Examples found in repository?
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fn spawn_layout(mut commands: Commands, asset_server: Res<AssetServer>) {
let font = asset_server.load("fonts/FiraSans-Bold.ttf");
commands.spawn(Camera2dBundle::default());
// Top-level grid (app frame)
commands
.spawn(NodeBundle {
style: Style {
// Use the CSS Grid algorithm for laying out this node
display: Display::Grid,
// Make node fill the entirety of its parent (in this case the window)
width: Val::Percent(100.0),
height: Val::Percent(100.0),
// Set the grid to have 2 columns with sizes [min-content, minmax(0, 1fr)]
// - The first column will size to the size of its contents
// - The second column will take up the remaining available space
grid_template_columns: vec![GridTrack::min_content(), GridTrack::flex(1.0)],
// Set the grid to have 3 rows with sizes [auto, minmax(0, 1fr), 20px]
// - The first row will size to the size of its contents
// - The second row take up remaining available space (after rows 1 and 3 have both been sized)
// - The third row will be exactly 20px high
grid_template_rows: vec![
GridTrack::auto(),
GridTrack::flex(1.0),
GridTrack::px(20.),
],
..default()
},
background_color: BackgroundColor(Color::WHITE),
..default()
})
.with_children(|builder| {
// Header
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Make this node span two grid columns so that it takes up the entire top tow
grid_column: GridPlacement::span(2),
padding: UiRect::all(Val::Px(6.0)),
..default()
},
..default()
})
.with_children(|builder| {
spawn_nested_text_bundle(builder, font.clone(), "Bevy CSS Grid Layout Example");
});
// Main content grid (auto placed in row 2, column 1)
builder
.spawn(NodeBundle {
style: Style {
// Make the height of the node fill its parent
height: Val::Percent(100.0),
// Make the grid have a 1:1 aspect ratio meaning it will scale as an exact square
// As the height is set explicitly, this means the width will adjust to match the height
aspect_ratio: Some(1.0),
// Use grid layout for this node
display: Display::Grid,
// Add 24px of padding around the grid
padding: UiRect::all(Val::Px(24.0)),
// Set the grid to have 4 columns all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized columns
grid_template_columns: RepeatedGridTrack::flex(4, 1.0),
// Set the grid to have 4 rows all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized rows
grid_template_rows: RepeatedGridTrack::flex(4, 1.0),
// Set a 12px gap/gutter between rows and columns
row_gap: Val::Px(12.0),
column_gap: Val::Px(12.0),
..default()
},
background_color: BackgroundColor(Color::srgb(0.25, 0.25, 0.25)),
..default()
})
.with_children(|builder| {
// Note there is no need to specify the position for each grid item. Grid items that are
// not given an explicit position will be automatically positioned into the next available
// grid cell. The order in which this is performed can be controlled using the grid_auto_flow
// style property.
item_rect(builder, ORANGE);
item_rect(builder, BISQUE);
item_rect(builder, BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, AQUA);
item_rect(builder, ORANGE_RED);
item_rect(builder, DARK_GREEN);
item_rect(builder, FUCHSIA);
item_rect(builder, TEAL);
item_rect(builder, ALICE_BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, ANTIQUE_WHITE);
item_rect(builder, YELLOW);
item_rect(builder, DEEP_PINK);
item_rect(builder, YELLOW_GREEN);
item_rect(builder, SALMON);
});
// Right side bar (auto placed in row 2, column 2)
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Align content towards the start (top) in the vertical axis
align_items: AlignItems::Start,
// Align content towards the center in the horizontal axis
justify_items: JustifyItems::Center,
// Add 10px padding
padding: UiRect::all(Val::Px(10.)),
// Add an fr track to take up all the available space at the bottom of the column so that the text nodes
// can be top-aligned. Normally you'd use flexbox for this, but this is the CSS Grid example so we're using grid.
grid_template_rows: vec![GridTrack::auto(), GridTrack::auto(), GridTrack::fr(1.0)],
// Add a 10px gap between rows
row_gap: Val::Px(10.),
..default()
},
background_color: BackgroundColor(BLACK.into()),
..default()
})
.with_children(|builder| {
builder.spawn(TextBundle::from_section(
"Sidebar",
TextStyle {
font: font.clone(),
font_size: 24.0,
..default()
},
));
builder.spawn(TextBundle::from_section(
"A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely.",
TextStyle {
font: font.clone(),
font_size: 16.0,
..default()
},
));
builder.spawn(NodeBundle::default());
});
// Footer / status bar
builder.spawn(NodeBundle {
style: Style {
// Make this node span two grid column so that it takes up the entire bottom row
grid_column: GridPlacement::span(2),
..default()
},
background_color: BackgroundColor(WHITE.into()),
..default()
});
// Modal (absolutely positioned on top of content - currently hidden: to view it, change its visibility)
builder.spawn(NodeBundle {
visibility: Visibility::Hidden,
style: Style {
position_type: PositionType::Absolute,
margin: UiRect {
top: Val::Px(100.),
bottom: Val::Auto,
left: Val::Auto,
right: Val::Auto,
},
width: Val::Percent(60.),
height: Val::Px(300.),
max_width: Val::Px(600.),
..default()
},
background_color: BackgroundColor(Color::WHITE.with_alpha(0.8)),
..default()
});
});
}
pub fn auto<T>() -> T
pub fn auto<T>() -> T
Create a grid track which is automatically sized to fit its contents.
Examples found in repository?
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fn spawn_layout(mut commands: Commands, asset_server: Res<AssetServer>) {
let font = asset_server.load("fonts/FiraSans-Bold.ttf");
commands.spawn(Camera2dBundle::default());
// Top-level grid (app frame)
commands
.spawn(NodeBundle {
style: Style {
// Use the CSS Grid algorithm for laying out this node
display: Display::Grid,
// Make node fill the entirety of its parent (in this case the window)
width: Val::Percent(100.0),
height: Val::Percent(100.0),
// Set the grid to have 2 columns with sizes [min-content, minmax(0, 1fr)]
// - The first column will size to the size of its contents
// - The second column will take up the remaining available space
grid_template_columns: vec![GridTrack::min_content(), GridTrack::flex(1.0)],
// Set the grid to have 3 rows with sizes [auto, minmax(0, 1fr), 20px]
// - The first row will size to the size of its contents
// - The second row take up remaining available space (after rows 1 and 3 have both been sized)
// - The third row will be exactly 20px high
grid_template_rows: vec![
GridTrack::auto(),
GridTrack::flex(1.0),
GridTrack::px(20.),
],
..default()
},
background_color: BackgroundColor(Color::WHITE),
..default()
})
.with_children(|builder| {
// Header
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Make this node span two grid columns so that it takes up the entire top tow
grid_column: GridPlacement::span(2),
padding: UiRect::all(Val::Px(6.0)),
..default()
},
..default()
})
.with_children(|builder| {
spawn_nested_text_bundle(builder, font.clone(), "Bevy CSS Grid Layout Example");
});
// Main content grid (auto placed in row 2, column 1)
builder
.spawn(NodeBundle {
style: Style {
// Make the height of the node fill its parent
height: Val::Percent(100.0),
// Make the grid have a 1:1 aspect ratio meaning it will scale as an exact square
// As the height is set explicitly, this means the width will adjust to match the height
aspect_ratio: Some(1.0),
// Use grid layout for this node
display: Display::Grid,
// Add 24px of padding around the grid
padding: UiRect::all(Val::Px(24.0)),
// Set the grid to have 4 columns all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized columns
grid_template_columns: RepeatedGridTrack::flex(4, 1.0),
// Set the grid to have 4 rows all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized rows
grid_template_rows: RepeatedGridTrack::flex(4, 1.0),
// Set a 12px gap/gutter between rows and columns
row_gap: Val::Px(12.0),
column_gap: Val::Px(12.0),
..default()
},
background_color: BackgroundColor(Color::srgb(0.25, 0.25, 0.25)),
..default()
})
.with_children(|builder| {
// Note there is no need to specify the position for each grid item. Grid items that are
// not given an explicit position will be automatically positioned into the next available
// grid cell. The order in which this is performed can be controlled using the grid_auto_flow
// style property.
item_rect(builder, ORANGE);
item_rect(builder, BISQUE);
item_rect(builder, BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, AQUA);
item_rect(builder, ORANGE_RED);
item_rect(builder, DARK_GREEN);
item_rect(builder, FUCHSIA);
item_rect(builder, TEAL);
item_rect(builder, ALICE_BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, ANTIQUE_WHITE);
item_rect(builder, YELLOW);
item_rect(builder, DEEP_PINK);
item_rect(builder, YELLOW_GREEN);
item_rect(builder, SALMON);
});
// Right side bar (auto placed in row 2, column 2)
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Align content towards the start (top) in the vertical axis
align_items: AlignItems::Start,
// Align content towards the center in the horizontal axis
justify_items: JustifyItems::Center,
// Add 10px padding
padding: UiRect::all(Val::Px(10.)),
// Add an fr track to take up all the available space at the bottom of the column so that the text nodes
// can be top-aligned. Normally you'd use flexbox for this, but this is the CSS Grid example so we're using grid.
grid_template_rows: vec![GridTrack::auto(), GridTrack::auto(), GridTrack::fr(1.0)],
// Add a 10px gap between rows
row_gap: Val::Px(10.),
..default()
},
background_color: BackgroundColor(BLACK.into()),
..default()
})
.with_children(|builder| {
builder.spawn(TextBundle::from_section(
"Sidebar",
TextStyle {
font: font.clone(),
font_size: 24.0,
..default()
},
));
builder.spawn(TextBundle::from_section(
"A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely.",
TextStyle {
font: font.clone(),
font_size: 16.0,
..default()
},
));
builder.spawn(NodeBundle::default());
});
// Footer / status bar
builder.spawn(NodeBundle {
style: Style {
// Make this node span two grid column so that it takes up the entire bottom row
grid_column: GridPlacement::span(2),
..default()
},
background_color: BackgroundColor(WHITE.into()),
..default()
});
// Modal (absolutely positioned on top of content - currently hidden: to view it, change its visibility)
builder.spawn(NodeBundle {
visibility: Visibility::Hidden,
style: Style {
position_type: PositionType::Absolute,
margin: UiRect {
top: Val::Px(100.),
bottom: Val::Auto,
left: Val::Auto,
right: Val::Auto,
},
width: Val::Percent(60.),
height: Val::Px(300.),
max_width: Val::Px(600.),
..default()
},
background_color: BackgroundColor(Color::WHITE.with_alpha(0.8)),
..default()
});
});
}
pub fn min_content<T>() -> T
pub fn min_content<T>() -> T
Create a grid track which is automatically sized to fit its contents when sized at their “min-content” sizes
Examples found in repository?
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fn spawn_layout(mut commands: Commands, asset_server: Res<AssetServer>) {
let font = asset_server.load("fonts/FiraSans-Bold.ttf");
commands.spawn(Camera2dBundle::default());
// Top-level grid (app frame)
commands
.spawn(NodeBundle {
style: Style {
// Use the CSS Grid algorithm for laying out this node
display: Display::Grid,
// Make node fill the entirety of its parent (in this case the window)
width: Val::Percent(100.0),
height: Val::Percent(100.0),
// Set the grid to have 2 columns with sizes [min-content, minmax(0, 1fr)]
// - The first column will size to the size of its contents
// - The second column will take up the remaining available space
grid_template_columns: vec![GridTrack::min_content(), GridTrack::flex(1.0)],
// Set the grid to have 3 rows with sizes [auto, minmax(0, 1fr), 20px]
// - The first row will size to the size of its contents
// - The second row take up remaining available space (after rows 1 and 3 have both been sized)
// - The third row will be exactly 20px high
grid_template_rows: vec![
GridTrack::auto(),
GridTrack::flex(1.0),
GridTrack::px(20.),
],
..default()
},
background_color: BackgroundColor(Color::WHITE),
..default()
})
.with_children(|builder| {
// Header
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Make this node span two grid columns so that it takes up the entire top tow
grid_column: GridPlacement::span(2),
padding: UiRect::all(Val::Px(6.0)),
..default()
},
..default()
})
.with_children(|builder| {
spawn_nested_text_bundle(builder, font.clone(), "Bevy CSS Grid Layout Example");
});
// Main content grid (auto placed in row 2, column 1)
builder
.spawn(NodeBundle {
style: Style {
// Make the height of the node fill its parent
height: Val::Percent(100.0),
// Make the grid have a 1:1 aspect ratio meaning it will scale as an exact square
// As the height is set explicitly, this means the width will adjust to match the height
aspect_ratio: Some(1.0),
// Use grid layout for this node
display: Display::Grid,
// Add 24px of padding around the grid
padding: UiRect::all(Val::Px(24.0)),
// Set the grid to have 4 columns all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized columns
grid_template_columns: RepeatedGridTrack::flex(4, 1.0),
// Set the grid to have 4 rows all with sizes minmax(0, 1fr)
// This creates 4 exactly evenly sized rows
grid_template_rows: RepeatedGridTrack::flex(4, 1.0),
// Set a 12px gap/gutter between rows and columns
row_gap: Val::Px(12.0),
column_gap: Val::Px(12.0),
..default()
},
background_color: BackgroundColor(Color::srgb(0.25, 0.25, 0.25)),
..default()
})
.with_children(|builder| {
// Note there is no need to specify the position for each grid item. Grid items that are
// not given an explicit position will be automatically positioned into the next available
// grid cell. The order in which this is performed can be controlled using the grid_auto_flow
// style property.
item_rect(builder, ORANGE);
item_rect(builder, BISQUE);
item_rect(builder, BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, AQUA);
item_rect(builder, ORANGE_RED);
item_rect(builder, DARK_GREEN);
item_rect(builder, FUCHSIA);
item_rect(builder, TEAL);
item_rect(builder, ALICE_BLUE);
item_rect(builder, CRIMSON);
item_rect(builder, ANTIQUE_WHITE);
item_rect(builder, YELLOW);
item_rect(builder, DEEP_PINK);
item_rect(builder, YELLOW_GREEN);
item_rect(builder, SALMON);
});
// Right side bar (auto placed in row 2, column 2)
builder
.spawn(NodeBundle {
style: Style {
display: Display::Grid,
// Align content towards the start (top) in the vertical axis
align_items: AlignItems::Start,
// Align content towards the center in the horizontal axis
justify_items: JustifyItems::Center,
// Add 10px padding
padding: UiRect::all(Val::Px(10.)),
// Add an fr track to take up all the available space at the bottom of the column so that the text nodes
// can be top-aligned. Normally you'd use flexbox for this, but this is the CSS Grid example so we're using grid.
grid_template_rows: vec![GridTrack::auto(), GridTrack::auto(), GridTrack::fr(1.0)],
// Add a 10px gap between rows
row_gap: Val::Px(10.),
..default()
},
background_color: BackgroundColor(BLACK.into()),
..default()
})
.with_children(|builder| {
builder.spawn(TextBundle::from_section(
"Sidebar",
TextStyle {
font: font.clone(),
font_size: 24.0,
..default()
},
));
builder.spawn(TextBundle::from_section(
"A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely. A paragraph of text which ought to wrap nicely.",
TextStyle {
font: font.clone(),
font_size: 16.0,
..default()
},
));
builder.spawn(NodeBundle::default());
});
// Footer / status bar
builder.spawn(NodeBundle {
style: Style {
// Make this node span two grid column so that it takes up the entire bottom row
grid_column: GridPlacement::span(2),
..default()
},
background_color: BackgroundColor(WHITE.into()),
..default()
});
// Modal (absolutely positioned on top of content - currently hidden: to view it, change its visibility)
builder.spawn(NodeBundle {
visibility: Visibility::Hidden,
style: Style {
position_type: PositionType::Absolute,
margin: UiRect {
top: Val::Px(100.),
bottom: Val::Auto,
left: Val::Auto,
right: Val::Auto,
},
width: Val::Percent(60.),
height: Val::Px(300.),
max_width: Val::Px(600.),
..default()
},
background_color: BackgroundColor(Color::WHITE.with_alpha(0.8)),
..default()
});
});
}
pub fn max_content<T>() -> T
pub fn max_content<T>() -> T
Create a grid track which is automatically sized to fit its contents when sized at their “max-content” sizes
pub fn fit_content_px<T>(limit: f32) -> T
pub fn fit_content_px<T>(limit: f32) -> T
Create a fit-content()
grid track with fixed pixel limit.
https://developer.mozilla.org/en-US/docs/Web/CSS/fit-content_function
pub fn fit_content_percent<T>(limit: f32) -> T
pub fn fit_content_percent<T>(limit: f32) -> T
Create a fit-content()
grid track with percentage limit.
https://developer.mozilla.org/en-US/docs/Web/CSS/fit-content_function
pub fn minmax<T>(min: MinTrackSizingFunction, max: MaxTrackSizingFunction) -> T
pub fn minmax<T>(min: MinTrackSizingFunction, max: MaxTrackSizingFunction) -> T
Create a minmax()
grid track.
pub fn vmin<T>(value: f32) -> T
pub fn vmin<T>(value: f32) -> T
Create a grid track with a percentage of the viewport’s smaller dimension
pub fn vmax<T>(value: f32) -> T
pub fn vmax<T>(value: f32) -> T
Create a grid track with a percentage of the viewport’s larger dimension
Trait Implementations§
§impl<'de> Deserialize<'de> for GridTrack
impl<'de> Deserialize<'de> for GridTrack
§fn deserialize<__D>(
__deserializer: __D
) -> Result<GridTrack, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D
) -> Result<GridTrack, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
§impl From<GridTrack> for RepeatedGridTrack
impl From<GridTrack> for RepeatedGridTrack
§fn from(track: GridTrack) -> RepeatedGridTrack
fn from(track: GridTrack) -> RepeatedGridTrack
§impl From<GridTrack> for Vec<RepeatedGridTrack>
impl From<GridTrack> for Vec<RepeatedGridTrack>
§fn from(track: GridTrack) -> Vec<RepeatedGridTrack>
fn from(track: GridTrack) -> Vec<RepeatedGridTrack>
§impl FromReflect for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
impl FromReflect for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
§fn from_reflect(reflect: &(dyn Reflect + 'static)) -> Option<GridTrack>
fn from_reflect(reflect: &(dyn Reflect + 'static)) -> Option<GridTrack>
Self
from a reflected value.§fn take_from_reflect(
reflect: Box<dyn Reflect>
) -> Result<Self, Box<dyn Reflect>>
fn take_from_reflect( reflect: Box<dyn Reflect> ) -> Result<Self, Box<dyn Reflect>>
Self
using,
constructing the value using from_reflect
if that fails. Read more§impl GetTypeRegistration for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
impl GetTypeRegistration for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
§fn get_type_registration() -> TypeRegistration
fn get_type_registration() -> TypeRegistration
TypeRegistration
for this type.§fn register_type_dependencies(registry: &mut TypeRegistry)
fn register_type_dependencies(registry: &mut TypeRegistry)
§impl Reflect for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
impl Reflect for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
§fn get_represented_type_info(&self) -> Option<&'static TypeInfo>
fn get_represented_type_info(&self) -> Option<&'static TypeInfo>
§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
&mut dyn Any
.§fn into_reflect(self: Box<GridTrack>) -> Box<dyn Reflect>
fn into_reflect(self: Box<GridTrack>) -> Box<dyn Reflect>
§fn as_reflect(&self) -> &(dyn Reflect + 'static)
fn as_reflect(&self) -> &(dyn Reflect + 'static)
§fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)
fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)
§fn clone_value(&self) -> Box<dyn Reflect>
fn clone_value(&self) -> Box<dyn Reflect>
Reflect
trait object. Read more§fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>
fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>
§fn apply(&mut self, value: &(dyn Reflect + 'static))
fn apply(&mut self, value: &(dyn Reflect + 'static))
§fn reflect_kind(&self) -> ReflectKind
fn reflect_kind(&self) -> ReflectKind
§fn reflect_ref(&self) -> ReflectRef<'_>
fn reflect_ref(&self) -> ReflectRef<'_>
§fn reflect_mut(&mut self) -> ReflectMut<'_>
fn reflect_mut(&mut self) -> ReflectMut<'_>
§fn reflect_owned(self: Box<GridTrack>) -> ReflectOwned
fn reflect_owned(self: Box<GridTrack>) -> ReflectOwned
§fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
§fn reflect_hash(&self) -> Option<u64>
fn reflect_hash(&self) -> Option<u64>
§fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>
fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>
§fn serializable(&self) -> Option<Serializable<'_>>
fn serializable(&self) -> Option<Serializable<'_>>
§fn is_dynamic(&self) -> bool
fn is_dynamic(&self) -> bool
§impl Serialize for GridTrack
impl Serialize for GridTrack
§fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
§impl Struct for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
impl Struct for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
§fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>
fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>
name
as a &dyn Reflect
.§fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>
fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>
name
as a
&mut dyn Reflect
.§fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>
fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>
index
as a
&dyn Reflect
.§fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>
fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>
index
as a &mut dyn Reflect
.§fn iter_fields(&self) -> FieldIter<'_> ⓘ
fn iter_fields(&self) -> FieldIter<'_> ⓘ
§fn clone_dynamic(&self) -> DynamicStruct
fn clone_dynamic(&self) -> DynamicStruct
DynamicStruct
.§impl TypePath for GridTrack
impl TypePath for GridTrack
§fn short_type_path() -> &'static str
fn short_type_path() -> &'static str
§fn type_ident() -> Option<&'static str>
fn type_ident() -> Option<&'static str>
§fn crate_name() -> Option<&'static str>
fn crate_name() -> Option<&'static str>
§impl Typed for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
impl Typed for GridTrackwhere
GridTrack: Any + Send + Sync,
MinTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
MaxTrackSizingFunction: FromReflect + TypePath + RegisterForReflection,
impl Copy for GridTrack
impl StructuralPartialEq for GridTrack
Auto Trait Implementations§
impl Freeze for GridTrack
impl RefUnwindSafe for GridTrack
impl Send for GridTrack
impl Sync for GridTrack
impl Unpin for GridTrack
impl UnwindSafe for GridTrack
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. When used in AsBindGroup
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