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Will Temple
2026-03-21 02:25:17 -04:00
parent 6954c8c74d
commit c70f42704c
11 changed files with 1430 additions and 98 deletions
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@@ -2,6 +2,12 @@
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checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
dependencies = [
"memchr",
]
[[package]]
name = "noop_proc_macro"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0676bb32a98c1a483ce53e500a81ad9c3d5b3f7c920c28c24e9cb0980d0b5bc8"
[[package]]
name = "num-bigint"
version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
dependencies = [
"num-integer",
"num-traits",
]
[[package]]
name = "num-derive"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "num-integer"
version = "0.1.46"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
dependencies = [
"num-traits",
]
[[package]]
name = "num-rational"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f83d14da390562dca69fc84082e73e548e1ad308d24accdedd2720017cb37824"
dependencies = [
"num-bigint",
"num-integer",
"num-traits",
]
[[package]] [[package]]
name = "num-traits" name = "num-traits"
version = "0.2.19" version = "0.2.19"
@@ -794,6 +1260,18 @@ dependencies = [
"windows-link", "windows-link",
] ]
[[package]]
name = "paste"
version = "1.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
[[package]]
name = "pastey"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "35fb2e5f958ec131621fdd531e9fc186ed768cbe395337403ae56c17a74c68ec"
[[package]] [[package]]
name = "pin-project-lite" name = "pin-project-lite"
version = "0.2.17" version = "0.2.17"
@@ -812,6 +1290,19 @@ version = "0.3.32"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c" checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
[[package]]
name = "png"
version = "0.18.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "60769b8b31b2a9f263dae2776c37b1b28ae246943cf719eb6946a1db05128a61"
dependencies = [
"bitflags",
"crc32fast",
"fdeflate",
"flate2",
"miniz_oxide",
]
[[package]] [[package]]
name = "pollster" name = "pollster"
version = "0.4.0" version = "0.4.0"
@@ -833,6 +1324,15 @@ dependencies = [
"portable-atomic", "portable-atomic",
] ]
[[package]]
name = "ppv-lite86"
version = "0.2.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
dependencies = [
"zerocopy",
]
[[package]] [[package]]
name = "presser" name = "presser"
version = "0.3.1" version = "0.3.1"
@@ -853,6 +1353,40 @@ name = "profiling"
version = "1.0.17" version = "1.0.17"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3eb8486b569e12e2c32ad3e204dbaba5e4b5b216e9367044f25f1dba42341773" checksum = "3eb8486b569e12e2c32ad3e204dbaba5e4b5b216e9367044f25f1dba42341773"
dependencies = [
"profiling-procmacros",
]
[[package]]
name = "profiling-procmacros"
version = "1.0.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "52717f9a02b6965224f95ca2a81e2e0c5c43baacd28ca057577988930b6c3d5b"
dependencies = [
"quote",
"syn",
]
[[package]]
name = "pxfm"
version = "0.1.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5a041e753da8b807c9255f28de81879c78c876392ff2469cde94799b2896b9d"
[[package]]
name = "qoi"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f6d64c71eb498fe9eae14ce4ec935c555749aef511cca85b5568910d6e48001"
dependencies = [
"bytemuck",
]
[[package]]
name = "quick-error"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
[[package]] [[package]]
name = "quick-xml" name = "quick-xml"
@@ -872,6 +1406,41 @@ dependencies = [
"proc-macro2", "proc-macro2",
] ]
[[package]]
name = "r-efi"
version = "5.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
[[package]]
name = "rand"
version = "0.9.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
dependencies = [
"rand_chacha",
"rand_core",
]
[[package]]
name = "rand_chacha"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
dependencies = [
"ppv-lite86",
"rand_core",
]
[[package]]
name = "rand_core"
version = "0.9.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
dependencies = [
"getrandom",
]
[[package]] [[package]]
name = "range-alloc" name = "range-alloc"
version = "0.1.5" version = "0.1.5"
@@ -884,6 +1453,56 @@ version = "1.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "973443cf09a9c8656b574a866ab68dfa19f0867d0340648c7d2f6a71b8a8ea68" checksum = "973443cf09a9c8656b574a866ab68dfa19f0867d0340648c7d2f6a71b8a8ea68"
[[package]]
name = "rav1e"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "43b6dd56e85d9483277cde964fd1bdb0428de4fec5ebba7540995639a21cb32b"
dependencies = [
"aligned-vec",
"arbitrary",
"arg_enum_proc_macro",
"arrayvec",
"av-scenechange",
"av1-grain",
"bitstream-io",
"built",
"cfg-if",
"interpolate_name",
"itertools",
"libc",
"libfuzzer-sys",
"log",
"maybe-rayon",
"new_debug_unreachable",
"noop_proc_macro",
"num-derive",
"num-traits",
"paste",
"profiling",
"rand",
"rand_chacha",
"simd_helpers",
"thiserror",
"v_frame",
"wasm-bindgen",
]
[[package]]
name = "ravif"
version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e52310197d971b0f5be7fe6b57530dcd27beb35c1b013f29d66c1ad73fbbcc45"
dependencies = [
"avif-serialize",
"imgref",
"loop9",
"quick-error",
"rav1e",
"rayon",
"rgb",
]
[[package]] [[package]]
name = "raw-window-handle" name = "raw-window-handle"
version = "0.6.2" version = "0.6.2"
@@ -902,6 +1521,26 @@ dependencies = [
"objc2-quartz-core", "objc2-quartz-core",
] ]
[[package]]
name = "rayon"
version = "1.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "368f01d005bf8fd9b1206fb6fa653e6c4a81ceb1466406b81792d87c5677a58f"
dependencies = [
"either",
"rayon-core",
]
[[package]]
name = "rayon-core"
version = "1.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22e18b0f0062d30d4230b2e85ff77fdfe4326feb054b9783a3460d8435c8ab91"
dependencies = [
"crossbeam-deque",
"crossbeam-utils",
]
[[package]] [[package]]
name = "read-fonts" name = "read-fonts"
version = "0.35.0" version = "0.35.0"
@@ -955,6 +1594,12 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "19b30a45b0cd0bcca8037f3d0dc3421eaf95327a17cad11964fb8179b4fc4832" checksum = "19b30a45b0cd0bcca8037f3d0dc3421eaf95327a17cad11964fb8179b4fc4832"
[[package]]
name = "rgb"
version = "0.8.53"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "47b34b781b31e5d73e9fbc8689c70551fd1ade9a19e3e28cfec8580a79290cc4"
[[package]] [[package]]
name = "roxmltree" name = "roxmltree"
version = "0.20.0" version = "0.20.0"
@@ -997,6 +1642,7 @@ version = "0.1.0"
dependencies = [ dependencies = [
"cosmic-text", "cosmic-text",
"fontconfig", "fontconfig",
"image",
"ruin-runtime", "ruin-runtime",
"ruin_reactivity", "ruin_reactivity",
"tracing", "tracing",
@@ -1159,6 +1805,21 @@ version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "simd-adler32"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e320a6c5ad31d271ad523dcf3ad13e2767ad8b1cb8f047f75a8aeaf8da139da2"
[[package]]
name = "simd_helpers"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "95890f873bec569a0362c235787f3aca6e1e887302ba4840839bcc6459c42da6"
dependencies = [
"quote",
]
[[package]] [[package]]
name = "skrifa" name = "skrifa"
version = "0.37.0" version = "0.37.0"
@@ -1215,6 +1876,12 @@ dependencies = [
"bitflags", "bitflags",
] ]
[[package]]
name = "stable_deref_trait"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
[[package]] [[package]]
name = "static_assertions" name = "static_assertions"
version = "1.1.0" version = "1.1.0"
@@ -1290,6 +1957,20 @@ dependencies = [
"cfg-if", "cfg-if",
] ]
[[package]]
name = "tiff"
version = "0.11.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b63feaf3343d35b6ca4d50483f94843803b0f51634937cc2ec519fc32232bc52"
dependencies = [
"fax",
"flate2",
"half",
"quick-error",
"weezl",
"zune-jpeg",
]
[[package]] [[package]]
name = "tinyvec" name = "tinyvec"
version = "1.11.0" version = "1.11.0"
@@ -1411,6 +2092,17 @@ version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254" checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254"
[[package]]
name = "v_frame"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "666b7727c8875d6ab5db9533418d7c764233ac9c0cff1d469aec8fa127597be2"
dependencies = [
"aligned-vec",
"num-traits",
"wasm-bindgen",
]
[[package]] [[package]]
name = "version_check" name = "version_check"
version = "0.9.5" version = "0.9.5"
@@ -1426,6 +2118,15 @@ dependencies = [
"try-lock", "try-lock",
] ]
[[package]]
name = "wasip2"
version = "1.0.2+wasi-0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
dependencies = [
"wit-bindgen",
]
[[package]] [[package]]
name = "wasm-bindgen" name = "wasm-bindgen"
version = "0.2.114" version = "0.2.114"
@@ -1556,6 +2257,12 @@ dependencies = [
"wasm-bindgen", "wasm-bindgen",
] ]
[[package]]
name = "weezl"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
[[package]] [[package]]
name = "wgpu" name = "wgpu"
version = "29.0.0" version = "29.0.0"
@@ -1851,6 +2558,12 @@ dependencies = [
"windows-link", "windows-link",
] ]
[[package]]
name = "wit-bindgen"
version = "0.51.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
[[package]] [[package]]
name = "xkbcommon" name = "xkbcommon"
version = "0.8.0" version = "0.8.0"
@@ -1874,6 +2587,12 @@ version = "0.8.28"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ae8337f8a065cfc972643663ea4279e04e7256de865aa66fe25cec5fb912d3f" checksum = "3ae8337f8a065cfc972643663ea4279e04e7256de865aa66fe25cec5fb912d3f"
[[package]]
name = "y4m"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7a5a4b21e1a62b67a2970e6831bc091d7b87e119e7f9791aef9702e3bef04448"
[[package]] [[package]]
name = "yazi" name = "yazi"
version = "0.2.1" version = "0.2.1"
@@ -1916,3 +2635,27 @@ dependencies = [
"quote", "quote",
"syn", "syn",
] ]
[[package]]
name = "zune-core"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb8a0807f7c01457d0379ba880ba6322660448ddebc890ce29bb64da71fb40f9"
[[package]]
name = "zune-inflate"
version = "0.2.54"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
dependencies = [
"simd-adler32",
]
[[package]]
name = "zune-jpeg"
version = "0.5.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec5f41c76397b7da451efd19915684f727d7e1d516384ca6bd0ec43ec94de23c"
dependencies = [
"zune-core",
]

162
examples/text_paragraph_demo/src/main.rs
View File

@@ -4,12 +4,12 @@ use std::time::{Duration, Instant};
use ruin_runtime::{TimeoutHandle, clear_timeout, set_timeout}; use ruin_runtime::{TimeoutHandle, clear_timeout, set_timeout};
use ruin_ui::{ use ruin_ui::{
Color, CursorIcon, DisplayItem, Edges, Element, ElementId, InteractionTree, KeyboardEvent, Color, CursorIcon, DisplayItem, Edges, Element, ElementId, ImageFit, ImageResource,
KeyboardEventKind, KeyboardKey, LayoutSnapshot, PlatformEvent, PointerButton, PointerEvent, InteractionTree, KeyboardEvent, KeyboardEventKind, KeyboardKey, LayoutSnapshot, PlatformEvent,
PointerEventKind, PointerRouter, PreparedText, Quad, RoutedPointerEventKind, SceneSnapshot, PointerButton, PointerEvent, PointerEventKind, PointerRouter, PreparedText, Quad,
TextAlign, TextFontFamily, TextSelectionStyle, TextSpan, TextSpanSlant, TextSpanWeight, RoutedPointerEventKind, SceneSnapshot, TextAlign, TextFontFamily, TextSelectionStyle, TextSpan,
TextStyle, TextSystem, TextWrap, UiSize, WindowController, WindowSpec, WindowUpdate, TextSpanSlant, TextSpanWeight, TextStyle, TextSystem, TextWrap, UiSize, WindowController,
layout_snapshot_with_text_system, WindowSpec, WindowUpdate, layout_snapshot_with_text_system,
}; };
use ruin_ui_platform_wayland::start_wayland_ui; use ruin_ui_platform_wayland::start_wayland_ui;
use tracing_subscriber::layer::SubscriberExt; use tracing_subscriber::layer::SubscriberExt;
@@ -34,6 +34,7 @@ const SECOND_INPUT_TEXT_ID: ElementId = ElementId::new(107);
const INPUT_CARET_BLINK_INTERVAL: Duration = Duration::from_millis(500); const INPUT_CARET_BLINK_INTERVAL: Duration = Duration::from_millis(500);
const MULTI_CLICK_INTERVAL: Duration = Duration::from_millis(350); const MULTI_CLICK_INTERVAL: Duration = Duration::from_millis(350);
const MULTI_CLICK_DISTANCE_SQUARED: f32 = 36.0; const MULTI_CLICK_DISTANCE_SQUARED: f32 = 36.0;
const HERO_IMAGE_ASSET: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/ruin.png");
const DEMO_SELECTION_STYLE: TextSelectionStyle = const DEMO_SELECTION_STYLE: TextSelectionStyle =
TextSelectionStyle::new(Color::rgba(0x6C, 0x8E, 0xFF, 0xB8)) TextSelectionStyle::new(Color::rgba(0x6C, 0x8E, 0xFF, 0xB8))
.with_text_color(Color::rgb(0x0D, 0x14, 0x25)); .with_text_color(Color::rgb(0x0D, 0x14, 0x25));
@@ -192,7 +193,10 @@ fn active_input_selection_bounds(
Some(selection_bounds(selection)) Some(selection_bounds(selection))
} }
fn has_active_input_selection(selection: Option<TextSelection>, input_field: &InputFieldState) -> bool { fn has_active_input_selection(
selection: Option<TextSelection>,
input_field: &InputFieldState,
) -> bool {
active_input_selection_bounds(selection, input_field).is_some() active_input_selection_bounds(selection, input_field).is_some()
} }
@@ -348,6 +352,7 @@ fn install_tracing() {
#[ruin_runtime::async_main] #[ruin_runtime::async_main]
async fn main() -> Result<(), Box<dyn Error>> { async fn main() -> Result<(), Box<dyn Error>> {
install_tracing(); install_tracing();
let hero_image = ImageResource::load_path(HERO_IMAGE_ASSET).await?;
let mut ui = start_wayland_ui(); let mut ui = start_wayland_ui();
let window = ui.create_window( let window = ui.create_window(
WindowSpec::new("RUIN paragraph demo") WindowSpec::new("RUIN paragraph demo")
@@ -522,6 +527,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
viewport, viewport,
version, version,
hovered_card, hovered_card,
&hero_image,
&input_fields, &input_fields,
focused_element, focused_element,
&mut text_system, &mut text_system,
@@ -656,8 +662,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
&text, &text,
); );
needs_input_rebuild |= input_outcome.text_changed; needs_input_rebuild |= input_outcome.text_changed;
needs_overlay_present |= needs_overlay_present |= input_outcome.caret_changed || input_outcome.selection_changed;
input_outcome.caret_changed || input_outcome.selection_changed;
} }
if let Some(text) = pending_primary_selection_text { if let Some(text) = pending_primary_selection_text {
let input_outcome = insert_text_into_focused_input( let input_outcome = insert_text_into_focused_input(
@@ -715,6 +720,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
viewport, viewport,
version, version,
hovered_card, hovered_card,
&hero_image,
&input_fields, &input_fields,
focused_element, focused_element,
&mut text_system, &mut text_system,
@@ -771,11 +777,18 @@ fn build_snapshot(
viewport: UiSize, viewport: UiSize,
version: u64, version: u64,
hovered_card: Option<ElementId>, hovered_card: Option<ElementId>,
hero_image: &ImageResource,
input_fields: &[InputFieldState], input_fields: &[InputFieldState],
focused_element: Option<ElementId>, focused_element: Option<ElementId>,
text_system: &mut TextSystem, text_system: &mut TextSystem,
) -> LayoutSnapshot { ) -> LayoutSnapshot {
let tree = build_document_tree(viewport, hovered_card, input_fields, focused_element); let tree = build_document_tree(
viewport,
hovered_card,
hero_image,
input_fields,
focused_element,
);
layout_snapshot_with_text_system(version, viewport, &tree, text_system) layout_snapshot_with_text_system(version, viewport, &tree, text_system)
} }
@@ -1051,17 +1064,14 @@ fn handle_keyboard_input_event(
let prepared_text = interaction_tree.text_for_element(text_id); let prepared_text = interaction_tree.text_for_element(text_id);
if event.modifiers.shift if event.modifiers.shift
&& let Some(prepared_text) = prepared_text && let Some(prepared_text) = prepared_text
&& let Some(next_caret) = && let Some(next_caret) = navigation_target_offset(
navigation_target_offset( prepared_text,
prepared_text, selection
selection .filter(|current| current.element_id == text_id)
.filter(|current| current.element_id == text_id) .map(|current| selection_navigation_anchor_and_focus(current, &event.key).1)
.map(|current| { .unwrap_or(input_fields[input_index].caret),
selection_navigation_anchor_and_focus(current, &event.key).1 &event.key,
}) )
.unwrap_or(input_fields[input_index].caret),
&event.key,
)
{ {
let anchor = selection let anchor = selection
.filter(|current| current.element_id == text_id) .filter(|current| current.element_id == text_id)
@@ -1312,10 +1322,6 @@ fn demo_body_style(font_size: f32, color: Color) -> TextStyle {
TextStyle::new(font_size, color).with_selection_style(DEMO_SELECTION_STYLE) TextStyle::new(font_size, color).with_selection_style(DEMO_SELECTION_STYLE)
} }
fn demo_unselectable_title(text: impl Into<String>, id: ElementId, style: TextStyle) -> Element {
Element::paragraph(text, style.with_selectable(false)).id(id)
}
fn open_rust_website() { fn open_rust_website() {
if let Err(error) = Command::new("xdg-open") if let Err(error) = Command::new("xdg-open")
.arg("https://www.rust-lang.org") .arg("https://www.rust-lang.org")
@@ -1374,72 +1380,76 @@ fn input_field_element(input_field: &InputFieldState, focused: bool) -> Element
fn build_document_tree( fn build_document_tree(
viewport: UiSize, viewport: UiSize,
hovered_card: Option<ElementId>, hovered_card: Option<ElementId>,
hero_image: &ImageResource,
input_fields: &[InputFieldState], input_fields: &[InputFieldState],
focused_element: Option<ElementId>, focused_element: Option<ElementId>,
) -> Element { ) -> Element {
let gutter = (viewport.width * 0.025).clamp(18.0, 30.0); let gutter = (viewport.width * 0.025).clamp(18.0, 30.0);
let sidebar_width = (viewport.width * 0.28).clamp(220.0, 320.0); let sidebar_width = (viewport.width * 0.28).clamp(220.0, 320.0);
let hero_image_width = (viewport.width * 0.32).clamp(200.0, 320.0);
let hero_image_height = (hero_image_width * 0.34).clamp(72.0, 128.0);
Element::column() Element::column()
.background(Color::rgb(0x0F, 0x13, 0x1E)) .background(Color::rgb(0x0F, 0x13, 0x1E))
.padding(Edges::all(gutter)) .padding(Edges::all(gutter))
.gap(gutter) .gap(gutter)
.children([ .children([
Element::column() Element::row()
.padding(Edges::all(gutter)) .padding(Edges::all(gutter))
.gap(gutter * 0.45) .gap(gutter)
.background(Color::rgb(0x16, 0x1D, 0x2B)) .background(Color::rgb(0x16, 0x1D, 0x2B))
.children([ .children([
demo_unselectable_title( Element::image(hero_image.clone())
"RUIN paragraph demo", .id(HERO_TITLE_ID)
HERO_TITLE_ID, .width(hero_image_width)
TextStyle::new(34.0, Color::rgb(0xF5, 0xF7, 0xFB)) .height(hero_image_height)
.with_line_height(40.0) .image_fit(ImageFit::Contain)
.with_align(TextAlign::Center), .pointer_events(false),
), Element::column().flex(1.0).gap(gutter * 0.45).children([
Element::rich_paragraph( Element::rich_paragraph(
[ [
TextSpan::new("RUIN is exploring a "), TextSpan::new("RUIN is exploring a "),
TextSpan::new("retained") TextSpan::new("retained")
.weight(TextSpanWeight::Semibold) .weight(TextSpanWeight::Semibold)
.color(Color::rgb(0xF5, 0xD0, 0x74)), .color(Color::rgb(0xF5, 0xD0, 0x74)),
TextSpan::new(" layout tree backed by explicit scene building, a dedicated "), TextSpan::new(" layout tree backed by explicit scene building, a dedicated "),
TextSpan::new("platform") TextSpan::new("platform")
.weight(TextSpanWeight::Semibold) .weight(TextSpanWeight::Semibold)
.color(Color::rgb(0x7D, 0xD3, 0xFC)), .color(Color::rgb(0x7D, 0xD3, 0xFC)),
TextSpan::new(" thread, and a "), TextSpan::new(" thread, and a "),
TextSpan::new("renderer") TextSpan::new("renderer")
.weight(TextSpanWeight::Bold)
.slant(TextSpanSlant::Oblique)
.family(TextFontFamily::Monospace)
.color(Color::rgb(0xA7, 0xF3, 0xD0)),
TextSpan::new(
" that can stay simple while the higher-level UI model evolves. This example is intentionally calm: no animated panels, no pulsing widths, just a document-like surface that makes paragraph behavior easier to inspect.",
),
],
demo_body_style(18.0, Color::rgb(0xC9, 0xD2, 0xE3))
.with_line_height(28.0)
.with_align(TextAlign::Center),
)
.id(HERO_BODY_ID),
Element::rich_paragraph(
[TextSpan::new("Visit the Rust website")
.weight(TextSpanWeight::Bold) .weight(TextSpanWeight::Bold)
.slant(TextSpanSlant::Oblique) .color(Color::rgb(0x60, 0xA5, 0xFA))],
.family(TextFontFamily::Monospace) TextStyle::new(18.0, Color::rgb(0x60, 0xA5, 0xFA))
.color(Color::rgb(0xA7, 0xF3, 0xD0)), .with_line_height(24.0)
TextSpan::new( .with_selectable(false),
" that can stay simple while the higher-level UI model evolves. This example is intentionally calm: no animated panels, no pulsing widths, just a document-like surface that makes paragraph behavior easier to inspect.", )
), .id(RUST_LINK_ID)
], .cursor(CursorIcon::Pointer),
demo_body_style(18.0, Color::rgb(0xC9, 0xD2, 0xE3)) input_field_element(
.with_line_height(28.0) &input_fields[0],
.with_align(TextAlign::Center), focused_element == Some(input_fields[0].field_id),
) ),
.id(HERO_BODY_ID), input_field_element(
Element::rich_paragraph( &input_fields[1],
[TextSpan::new("Visit the Rust website") focused_element == Some(input_fields[1].field_id),
.weight(TextSpanWeight::Bold) ),
.color(Color::rgb(0x60, 0xA5, 0xFA))], ]),
TextStyle::new(18.0, Color::rgb(0x60, 0xA5, 0xFA))
.with_line_height(24.0)
.with_selectable(false),
)
.id(RUST_LINK_ID)
.cursor(CursorIcon::Pointer),
input_field_element(
&input_fields[0],
focused_element == Some(input_fields[0].field_id),
),
input_field_element(
&input_fields[1],
focused_element == Some(input_fields[1].field_id),
),
]), ]),
Element::row().flex(1.0).gap(gutter).children([ Element::row().flex(1.0).gap(gutter).children([
Element::column() Element::column()

1
lib/ui/Cargo.toml
View File

@@ -5,6 +5,7 @@ edition = "2024"
[dependencies] [dependencies]
cosmic-text = "0.18.2" cosmic-text = "0.18.2"
image = { version = "0.25", default-features = false, features = ["rayon", "avif", "bmp", "dds", "exr", "gif", "hdr", "ico", "jpeg", "png", "pnm", "qoi", "tga", "tiff", "webp"] }
ruin_reactivity = { path = "../reactivity" } ruin_reactivity = { path = "../reactivity" }
ruin_runtime = { package = "ruin-runtime", path = "../runtime" } ruin_runtime = { package = "ruin-runtime", path = "../runtime" }
tracing = { version = "0.1", default-features = false, features = ["std"] } tracing = { version = "0.1", default-features = false, features = ["std"] }

161
lib/ui/src/image.rs Normal file
View File

@@ -0,0 +1,161 @@
use std::fmt;
use std::path::Path;
use std::sync::Arc;
use std::sync::atomic::{AtomicU64, Ordering};
use image::ImageReader;
use ruin_runtime::channel::oneshot;
use crate::UiSize;
static NEXT_IMAGE_RESOURCE_ID: AtomicU64 = AtomicU64::new(1);
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum ImageFit {
Contain,
Cover,
Fill,
}
#[derive(Clone)]
pub struct ImageResource {
inner: Arc<ImageResourceInner>,
}
struct ImageResourceInner {
id: u64,
width: u32,
height: u32,
pixels: Arc<[u8]>,
}
#[derive(Debug)]
pub enum ImageResourceError {
Io(std::io::Error),
Decode(image::ImageError),
DecodeTaskClosed,
InvalidRgbaPixels { width: u32, height: u32, len: usize },
}
impl ImageResource {
pub async fn load_path(path: impl AsRef<Path>) -> Result<Self, ImageResourceError> {
let bytes = ruin_runtime::fs::read(path.as_ref())
.await
.map_err(ImageResourceError::Io)?;
Self::decode_encoded_bytes(bytes).await
}
pub async fn decode_encoded_bytes(
bytes: impl Into<Vec<u8>>,
) -> Result<Self, ImageResourceError> {
let bytes = bytes.into();
let (tx, mut rx) = oneshot::channel();
std::thread::Builder::new()
.name("ruin-ui-image-decode".to_owned())
.spawn(move || {
let result = Self::decode_encoded_bytes_sync(&bytes);
let _ = tx.send(result);
})
.map_err(ImageResourceError::Io)?;
rx.recv()
.await
.map_err(|_| ImageResourceError::DecodeTaskClosed)?
}
pub fn from_rgba8(
width: u32,
height: u32,
pixels: impl Into<Vec<u8>>,
) -> Result<Self, ImageResourceError> {
let pixels = pixels.into();
let expected_len = width as usize * height as usize * 4;
if pixels.len() != expected_len {
return Err(ImageResourceError::InvalidRgbaPixels {
width,
height,
len: pixels.len(),
});
}
Ok(Self {
inner: Arc::new(ImageResourceInner {
id: NEXT_IMAGE_RESOURCE_ID.fetch_add(1, Ordering::Relaxed),
width,
height,
pixels: pixels.into(),
}),
})
}
fn decode_encoded_bytes_sync(bytes: &[u8]) -> Result<Self, ImageResourceError> {
let image = ImageReader::new(std::io::Cursor::new(bytes))
.with_guessed_format()
.map_err(ImageResourceError::Io)?
.decode()
.map_err(ImageResourceError::Decode)?;
let rgba = image.to_rgba8();
Self::from_rgba8(rgba.width(), rgba.height(), rgba.into_raw())
}
pub fn id(&self) -> u64 {
self.inner.id
}
pub fn width(&self) -> u32 {
self.inner.width
}
pub fn height(&self) -> u32 {
self.inner.height
}
pub fn size(&self) -> UiSize {
UiSize::new(self.inner.width as f32, self.inner.height as f32)
}
pub fn pixels(&self) -> &[u8] {
&self.inner.pixels
}
}
impl fmt::Debug for ImageResource {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("ImageResource")
.field("id", &self.inner.id)
.field("width", &self.inner.width)
.field("height", &self.inner.height)
.finish()
}
}
impl PartialEq for ImageResource {
fn eq(&self, other: &Self) -> bool {
self.inner.id == other.inner.id
}
}
impl Eq for ImageResource {}
impl std::hash::Hash for ImageResource {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.inner.id.hash(state);
}
}
impl fmt::Display for ImageResourceError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Io(error) => write!(f, "{error}"),
Self::Decode(error) => write!(f, "{error}"),
Self::DecodeTaskClosed => {
f.write_str("image decode task closed before producing a result")
}
Self::InvalidRgbaPixels { width, height, len } => write!(
f,
"expected {} RGBA bytes for {width}x{height} image, got {len}",
*width as usize * *height as usize * 4
),
}
}
}
impl std::error::Error for ImageResourceError {}

6
lib/ui/src/interaction.rs
View File

@@ -167,6 +167,7 @@ mod tests {
pointer_events: false, pointer_events: false,
focusable: false, focusable: false,
cursor: CursorIcon::Default, cursor: CursorIcon::Default,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: vec![ children: vec![
LayoutNode { LayoutNode {
@@ -176,6 +177,7 @@ mod tests {
pointer_events: true, pointer_events: true,
focusable: false, focusable: false,
cursor: CursorIcon::Default, cursor: CursorIcon::Default,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: Vec::new(), children: Vec::new(),
}, },
@@ -186,6 +188,7 @@ mod tests {
pointer_events: true, pointer_events: true,
focusable: false, focusable: false,
cursor: CursorIcon::Default, cursor: CursorIcon::Default,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: Vec::new(), children: Vec::new(),
}, },
@@ -203,6 +206,7 @@ mod tests {
pointer_events: false, pointer_events: false,
focusable: false, focusable: false,
cursor: CursorIcon::Default, cursor: CursorIcon::Default,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: vec![LayoutNode { children: vec![LayoutNode {
path: LayoutPath::root().child(0), path: LayoutPath::root().child(0),
@@ -211,6 +215,7 @@ mod tests {
pointer_events: true, pointer_events: true,
focusable: false, focusable: false,
cursor: CursorIcon::Default, cursor: CursorIcon::Default,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: vec![LayoutNode { children: vec![LayoutNode {
path: LayoutPath::root().child(0).child(0), path: LayoutPath::root().child(0).child(0),
@@ -219,6 +224,7 @@ mod tests {
pointer_events: true, pointer_events: true,
focusable: false, focusable: false,
cursor: CursorIcon::Default, cursor: CursorIcon::Default,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: Vec::new(), children: Vec::new(),
}], }],

188
lib/ui/src/layout.rs
View File

@@ -1,8 +1,9 @@
use std::time::Instant; use std::time::Instant;
use crate::scene::{PreparedText, Rect, SceneSnapshot, UiSize}; use crate::ImageFit;
use crate::scene::{PreparedImage, PreparedText, Rect, SceneSnapshot, UiSize};
use crate::text::TextSystem; use crate::text::TextSystem;
use crate::tree::{CursorIcon, Edges, Element, ElementId, FlexDirection}; use crate::tree::{CursorIcon, Edges, Element, ElementId, FlexDirection, ImageNode};
pub fn layout_scene(version: u64, logical_size: UiSize, root: &Element) -> SceneSnapshot { pub fn layout_scene(version: u64, logical_size: UiSize, root: &Element) -> SceneSnapshot {
let mut text_system = TextSystem::new(); let mut text_system = TextSystem::new();
@@ -60,6 +61,7 @@ pub struct LayoutNode {
pub pointer_events: bool, pub pointer_events: bool,
pub focusable: bool, pub focusable: bool,
pub cursor: CursorIcon, pub cursor: CursorIcon,
pub prepared_image: Option<PreparedImage>,
pub prepared_text: Option<PreparedText>, pub prepared_text: Option<PreparedText>,
pub children: Vec<LayoutNode>, pub children: Vec<LayoutNode>,
} }
@@ -188,6 +190,7 @@ fn layout_element(
pointer_events: element.style.pointer_events, pointer_events: element.style.pointer_events,
focusable: element.style.focusable, focusable: element.style.focusable,
cursor, cursor,
prepared_image: None,
prepared_text: None, prepared_text: None,
children: Vec::new(), children: Vec::new(),
}; };
@@ -223,6 +226,16 @@ fn layout_element(
return interaction; return interaction;
} }
if let Some(image) = element.image_node() {
let content = inset_rect(rect, element.style.padding);
if content.size.width > 0.0 && content.size.height > 0.0 {
let prepared = prepare_image(image, content, element.id);
scene.push_image(prepared.clone());
interaction.prepared_image = Some(prepared);
}
return interaction;
}
perf_stats.container_nodes += 1; perf_stats.container_nodes += 1;
if element.children.is_empty() { if element.children.is_empty() {
@@ -427,6 +440,11 @@ fn intrinsic_main_size(
return main_axis_size(content, direction) + padding; return main_axis_size(content, direction) + padding;
} }
if let Some(image) = child.image_node() {
let resolved = resolve_image_element_size(child, image.resource.size());
return main_axis_size(resolved, direction);
}
let available_size = match direction { let available_size = match direction {
FlexDirection::Row => UiSize::new(available_main.max(0.0), cross_size.max(0.0)), FlexDirection::Row => UiSize::new(available_main.max(0.0), cross_size.max(0.0)),
FlexDirection::Column => UiSize::new(cross_size.max(0.0), available_main.max(0.0)), FlexDirection::Column => UiSize::new(cross_size.max(0.0), available_main.max(0.0)),
@@ -461,6 +479,14 @@ fn intrinsic_size(
); );
} }
if let Some(image) = element.image_node() {
let resolved = resolve_image_element_size(element, image.resource.size());
return UiSize::new(
resolved.width + element.style.padding.left + element.style.padding.right,
resolved.height + element.style.padding.top + element.style.padding.bottom,
);
}
let explicit_width = element.style.width; let explicit_width = element.style.width;
let explicit_height = element.style.height; let explicit_height = element.style.height;
let content_width = explicit_width.unwrap_or(available_size.width).max(0.0) let content_width = explicit_width.unwrap_or(available_size.width).max(0.0)
@@ -484,9 +510,7 @@ fn intrinsic_size(
let mut width: f32 = 0.0; let mut width: f32 = 0.0;
let mut height = gap_total; let mut height = gap_total;
for child in &element.children { for child in &element.children {
if child.style.flex_grow > 0.0 && child.style.height.is_none() { let skip_main = child.style.flex_grow > 0.0 && child.style.height.is_none();
continue;
}
let child_size = intrinsic_size( let child_size = intrinsic_size(
child, child,
UiSize::new( UiSize::new(
@@ -497,15 +521,23 @@ fn intrinsic_size(
perf_stats, perf_stats,
); );
width = width.max(child.style.width.unwrap_or(child_size.width)); width = width.max(child.style.width.unwrap_or(child_size.width));
height += child.style.height.unwrap_or(child_size.height); if !skip_main {
height += child.style.height.unwrap_or(child_size.height);
}
} }
(width, height) (width, height)
} }
FlexDirection::Row => { FlexDirection::Row => {
let mut width = gap_total; let mut width = gap_total;
let mut height: f32 = 0.0; let mut height: f32 = 0.0;
let mut fixed_main = 0.0;
let mut flex_total = 0.0;
let mut child_main_sizes = Vec::with_capacity(element.children.len());
for child in &element.children { for child in &element.children {
if child.style.flex_grow > 0.0 && child.style.width.is_none() { let is_flex = child.style.flex_grow > 0.0 && child.style.width.is_none();
if is_flex {
flex_total += child_flex_weight(child);
child_main_sizes.push(None);
continue; continue;
} }
let child_size = intrinsic_size( let child_size = intrinsic_size(
@@ -517,7 +549,32 @@ fn intrinsic_size(
text_system, text_system,
perf_stats, perf_stats,
); );
width += child.style.width.unwrap_or(child_size.width); let child_main = child.style.width.unwrap_or(child_size.width);
fixed_main += child_main;
child_main_sizes.push(Some(child_main));
}
let remaining_main = (content_size.width - gap_total - fixed_main).max(0.0);
for (child, measured_main) in element.children.iter().zip(child_main_sizes.iter()) {
let skip_main = child.style.flex_grow > 0.0 && child.style.width.is_none();
let child_main = measured_main.unwrap_or_else(|| {
if flex_total <= 0.0 {
0.0
} else {
remaining_main * (child_flex_weight(child) / flex_total)
}
});
let child_size = intrinsic_size(
child,
UiSize::new(
child_main,
child.style.height.unwrap_or(content_size.height),
),
text_system,
perf_stats,
);
if !skip_main {
width += child_main;
}
height = height.max(child.style.height.unwrap_or(child_size.height)); height = height.max(child.style.height.unwrap_or(child_size.height));
} }
(width, height) (width, height)
@@ -569,6 +626,67 @@ impl LayoutPerfStats {
} }
} }
fn prepare_image(image: &ImageNode, rect: Rect, element_id: Option<ElementId>) -> PreparedImage {
let source_size = image.resource.size();
let source_aspect = if source_size.height > 0.0 {
source_size.width / source_size.height
} else {
1.0
};
let rect_aspect = if rect.size.height > 0.0 {
rect.size.width / rect.size.height
} else {
source_aspect
};
let (draw_rect, uv_rect) = match image.fit {
ImageFit::Fill => (rect, (0.0, 0.0, 1.0, 1.0)),
ImageFit::Contain => {
let scale = (rect.size.width / source_size.width)
.min(rect.size.height / source_size.height)
.max(0.0);
let width = source_size.width * scale;
let height = source_size.height * scale;
let x = rect.origin.x + (rect.size.width - width) * 0.5;
let y = rect.origin.y + (rect.size.height - height) * 0.5;
(Rect::new(x, y, width, height), (0.0, 0.0, 1.0, 1.0))
}
ImageFit::Cover => {
if rect_aspect > source_aspect {
let visible_height = (source_aspect / rect_aspect).clamp(0.0, 1.0);
let inset = (1.0 - visible_height) * 0.5;
(rect, (0.0, inset, 1.0, 1.0 - inset))
} else {
let visible_width = (rect_aspect / source_aspect).clamp(0.0, 1.0);
let inset = (1.0 - visible_width) * 0.5;
(rect, (inset, 0.0, 1.0 - inset, 1.0))
}
}
};
PreparedImage {
element_id,
resource: image.resource.clone(),
rect: draw_rect,
uv_rect,
}
}
fn resolve_image_element_size(element: &Element, intrinsic: UiSize) -> UiSize {
match (element.style.width, element.style.height) {
(Some(width), Some(height)) => UiSize::new(width.max(0.0), height.max(0.0)),
(Some(width), None) if intrinsic.width > 0.0 => UiSize::new(
width.max(0.0),
(width * intrinsic.height / intrinsic.width).max(0.0),
),
(None, Some(height)) if intrinsic.height > 0.0 => UiSize::new(
(height * intrinsic.width / intrinsic.height).max(0.0),
height.max(0.0),
),
_ => intrinsic,
}
}
fn inset_rect(rect: Rect, edges: Edges) -> Rect { fn inset_rect(rect: Rect, edges: Edges) -> Rect {
let width = (rect.size.width - edges.left - edges.right).max(0.0); let width = (rect.size.width - edges.left - edges.right).max(0.0);
let height = (rect.size.height - edges.top - edges.bottom).max(0.0); let height = (rect.size.height - edges.top - edges.bottom).max(0.0);
@@ -773,6 +891,60 @@ mod tests {
); );
} }
#[test]
fn row_container_counts_flex_child_height_in_intrinsic_size() {
let row_color = Color::rgb(0x12, 0x24, 0x36);
let root = Element::column().child(
Element::row()
.padding(Edges::all(12.0))
.gap(16.0)
.background(row_color)
.children([
Element::new()
.width(120.0)
.height(60.0)
.background(Color::rgb(0x44, 0x55, 0x66)),
Element::column().flex(1.0).child(Element::paragraph(
"A flex child with wrapped text should make the row grow tall enough to contain it.",
TextStyle::new(18.0, Color::rgb(0xFF, 0xFF, 0xFF))
.with_line_height(24.0)
.with_wrap(TextWrap::Word),
)),
]),
);
let scene = layout_scene(1, UiSize::new(360.0, 320.0), &root);
let row_quad = scene
.items
.iter()
.filter_map(|item| match item {
DisplayItem::Quad(quad) if quad.color == row_color => Some(*quad),
_ => None,
})
.next()
.expect("row container should emit a background quad");
let text = scene
.items
.iter()
.find_map(|item| match item {
DisplayItem::Text(text) => Some(text),
_ => None,
})
.expect("row should emit a text display item");
let text_bounds = text.bounds.expect("text layout should provide bounds");
let row_bottom = row_quad.rect.origin.y + row_quad.rect.size.height;
let text_bottom = text.origin.y + text_bounds.height;
assert!(row_quad.rect.size.height > 84.0);
assert!(row_bottom >= text_bottom);
assert!(
scene
.items
.iter()
.any(|item| matches!(item, DisplayItem::Text(_)))
);
}
#[test] #[test]
fn interaction_tree_hit_test_returns_deepest_pointer_target() { fn interaction_tree_hit_test_returns_deepest_pointer_target() {
let root = Element::column() let root = Element::column()

6
lib/ui/src/lib.rs
View File

@@ -10,6 +10,7 @@ pub(crate) mod trace_targets {
pub const SCENE: &str = "ruin_ui::scene"; pub const SCENE: &str = "ruin_ui::scene";
} }
mod image;
mod interaction; mod interaction;
mod keyboard; mod keyboard;
mod layout; mod layout;
@@ -20,6 +21,7 @@ mod text;
mod tree; mod tree;
mod window; mod window;
pub use image::{ImageFit, ImageResource, ImageResourceError};
pub use interaction::{ pub use interaction::{
PointerButton, PointerEvent, PointerEventKind, PointerRouter, RoutedPointerEvent, PointerButton, PointerEvent, PointerEventKind, PointerRouter, RoutedPointerEvent,
RoutedPointerEventKind, RoutedPointerEventKind,
@@ -36,8 +38,8 @@ pub use platform::{
}; };
pub use runtime::{EventStreamClosed, UiRuntime, WindowController}; pub use runtime::{EventStreamClosed, UiRuntime, WindowController};
pub use scene::{ pub use scene::{
Color, DisplayItem, GlyphInstance, Point, PreparedText, PreparedTextLine, Quad, Rect, Color, DisplayItem, GlyphInstance, Point, PreparedImage, PreparedText, PreparedTextLine, Quad,
SceneSnapshot, Translation, UiSize, Rect, SceneSnapshot, Translation, UiSize,
}; };
pub use text::{ pub use text::{
TextAlign, TextFontFamily, TextSelectionStyle, TextSpan, TextSpanSlant, TextSpanWeight, TextAlign, TextFontFamily, TextSelectionStyle, TextSpan, TextSpanSlant, TextSpanWeight,

14
lib/ui/src/scene.rs
View File

@@ -5,6 +5,7 @@ use std::ops::Range;
use cosmic_text::CacheKey; use cosmic_text::CacheKey;
use tracing::debug; use tracing::debug;
use crate::ImageResource;
use crate::text::TextSelectionStyle; use crate::text::TextSelectionStyle;
use crate::trace_targets; use crate::trace_targets;
use crate::tree::ElementId; use crate::tree::ElementId;
@@ -133,6 +134,14 @@ pub struct PreparedText {
pub glyphs: Vec<GlyphInstance>, pub glyphs: Vec<GlyphInstance>,
} }
#[derive(Clone, Debug, PartialEq)]
pub struct PreparedImage {
pub element_id: Option<ElementId>,
pub resource: ImageResource,
pub rect: Rect,
pub uv_rect: (f32, f32, f32, f32),
}
impl PreparedText { impl PreparedText {
pub fn monospace( pub fn monospace(
text: impl Into<String>, text: impl Into<String>,
@@ -456,6 +465,7 @@ fn classify_word_char(ch: char) -> WordClass {
#[derive(Clone, Debug, PartialEq)] #[derive(Clone, Debug, PartialEq)]
pub enum DisplayItem { pub enum DisplayItem {
Quad(Quad), Quad(Quad),
Image(PreparedImage),
Text(PreparedText), Text(PreparedText),
PushClip(Rect), PushClip(Rect),
PopClip, PopClip,
@@ -506,6 +516,10 @@ impl SceneSnapshot {
self.push_item(DisplayItem::Text(text)) self.push_item(DisplayItem::Text(text))
} }
pub fn push_image(&mut self, image: PreparedImage) -> &mut Self {
self.push_item(DisplayItem::Image(image))
}
pub fn push_clip(&mut self, rect: Rect) -> &mut Self { pub fn push_clip(&mut self, rect: Rect) -> &mut Self {
self.push_item(DisplayItem::PushClip(rect)) self.push_item(DisplayItem::PushClip(rect))
} }

39
lib/ui/src/tree.rs
View File

@@ -1,5 +1,6 @@
use crate::scene::Color; use crate::scene::Color;
use crate::text::{TextSpan, TextStyle, TextWrap}; use crate::text::{TextSpan, TextStyle, TextWrap};
use crate::{ImageFit, ImageResource};
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)] #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub struct ElementId(u64); pub struct ElementId(u64);
@@ -96,6 +97,7 @@ impl Default for Style {
#[derive(Clone, Debug, PartialEq)] #[derive(Clone, Debug, PartialEq)]
enum ElementContent { enum ElementContent {
Container, Container,
Image(ImageNode),
Text(TextNode), Text(TextNode),
} }
@@ -105,6 +107,12 @@ pub(crate) struct TextNode {
pub style: TextStyle, pub style: TextStyle,
} }
#[derive(Clone, Debug, PartialEq)]
pub(crate) struct ImageNode {
pub resource: ImageResource,
pub fit: ImageFit,
}
#[derive(Clone, Debug, PartialEq)] #[derive(Clone, Debug, PartialEq)]
pub struct Element { pub struct Element {
pub id: Option<ElementId>, pub id: Option<ElementId>,
@@ -143,6 +151,18 @@ impl Element {
Self::text(text, style.with_wrap(TextWrap::Word)) Self::text(text, style.with_wrap(TextWrap::Word))
} }
pub fn image(resource: ImageResource) -> Self {
Self {
id: None,
style: Style::default(),
children: Vec::new(),
content: ElementContent::Image(ImageNode {
resource,
fit: ImageFit::Contain,
}),
}
}
pub fn rich_paragraph(spans: impl IntoIterator<Item = TextSpan>, style: TextStyle) -> Self { pub fn rich_paragraph(spans: impl IntoIterator<Item = TextSpan>, style: TextStyle) -> Self {
Self::spans(spans, style.with_wrap(TextWrap::Word)) Self::spans(spans, style.with_wrap(TextWrap::Word))
} }
@@ -210,6 +230,14 @@ impl Element {
self self
} }
pub fn image_fit(mut self, fit: ImageFit) -> Self {
let ElementContent::Image(image) = &mut self.content else {
panic!("only image elements can set image_fit");
};
image.fit = fit;
self
}
pub fn child(mut self, child: Element) -> Self { pub fn child(mut self, child: Element) -> Self {
self.assert_container(); self.assert_container();
self.children.push(child); self.children.push(child);
@@ -225,14 +253,21 @@ impl Element {
pub(crate) fn text_node(&self) -> Option<&TextNode> { pub(crate) fn text_node(&self) -> Option<&TextNode> {
match &self.content { match &self.content {
ElementContent::Text(text) => Some(text), ElementContent::Text(text) => Some(text),
ElementContent::Container => None, ElementContent::Container | ElementContent::Image(_) => None,
}
}
pub(crate) fn image_node(&self) -> Option<&ImageNode> {
match &self.content {
ElementContent::Image(image) => Some(image),
ElementContent::Container | ElementContent::Text(_) => None,
} }
} }
fn assert_container(&self) { fn assert_container(&self) {
assert!( assert!(
matches!(self.content, ElementContent::Container), matches!(self.content, ElementContent::Container),
"text elements cannot contain children" "non-container elements cannot contain children"
); );
} }
} }

20
lib/ui_platform_wayland/src/lib.rs
View File

@@ -294,11 +294,11 @@ impl WaylandWindow {
let seat: wl_seat::WlSeat = globals.bind(&qh, 1..=9, ())?; let seat: wl_seat::WlSeat = globals.bind(&qh, 1..=9, ())?;
let wm_base: xdg_wm_base::XdgWmBase = globals.bind(&qh, 1..=6, ())?; let wm_base: xdg_wm_base::XdgWmBase = globals.bind(&qh, 1..=6, ())?;
let clipboard_manager = globals.bind(&qh, 1..=3, ()).ok(); let clipboard_manager = globals.bind(&qh, 1..=3, ()).ok();
let clipboard_device = clipboard_manager let clipboard_device = clipboard_manager.as_ref().map(
.as_ref() |manager: &wl_data_device_manager::WlDataDeviceManager| {
.map(|manager: &wl_data_device_manager::WlDataDeviceManager| {
manager.get_data_device(&seat, &qh, ()) manager.get_data_device(&seat, &qh, ())
}); },
);
let cursor_shape_manager = globals.bind(&qh, 1..=2, ()).ok(); let cursor_shape_manager = globals.bind(&qh, 1..=2, ()).ok();
let primary_selection_manager = globals.bind(&qh, 1..=1, ()).ok(); let primary_selection_manager = globals.bind(&qh, 1..=1, ()).ok();
let primary_selection_device = primary_selection_manager.as_ref().map( let primary_selection_device = primary_selection_manager.as_ref().map(
@@ -619,7 +619,8 @@ impl WaylandWindow {
} }
pub fn read_primary_selection_text(&mut self) -> Result<Option<String>, Box<dyn Error>> { pub fn read_primary_selection_text(&mut self) -> Result<Option<String>, Box<dyn Error>> {
let preferred_mime = preferred_plain_text_mime(&self.state.primary_selection_offer_mime_types); let preferred_mime =
preferred_plain_text_mime(&self.state.primary_selection_offer_mime_types);
let Some(mime_type) = preferred_mime else { let Some(mime_type) = preferred_mime else {
return Ok(self.state.primary_selection_text.clone()); return Ok(self.state.primary_selection_text.clone());
}; };
@@ -1097,10 +1098,11 @@ fn spawn_window_worker(
let mut state_ref = state.borrow_mut(); let mut state_ref = state.borrow_mut();
match state_ref.window.read_clipboard_text() { match state_ref.window.read_clipboard_text() {
Ok(Some(text)) => { Ok(Some(text)) => {
let _ = state_ref.event_tx.send(PlatformEvent::ClipboardText { let _ =
window_id: state_ref.window_id, state_ref.event_tx.send(PlatformEvent::ClipboardText {
text, window_id: state_ref.window_id,
}); text,
});
} }
Ok(None) => {} Ok(None) => {}
Err(error) => { Err(error) => {

188
lib/ui_renderer_wgpu/src/lib.rs
View File

@@ -6,7 +6,9 @@ use cosmic_text::{
Attrs, Buffer, CacheKey, FontSystem, Metrics, Shaping, SwashCache, SwashContent, SwashImage, Attrs, Buffer, CacheKey, FontSystem, Metrics, Shaping, SwashCache, SwashContent, SwashImage,
}; };
use raw_window_handle::{HasDisplayHandle, HasWindowHandle}; use raw_window_handle::{HasDisplayHandle, HasWindowHandle};
use ruin_ui::{Color, DisplayItem, Point, PreparedText, Rect, SceneSnapshot, UiSize}; use ruin_ui::{
Color, DisplayItem, Point, PreparedImage, PreparedText, Rect, SceneSnapshot, UiSize,
};
use tracing::trace; use tracing::trace;
use wgpu::util::DeviceExt; use wgpu::util::DeviceExt;
@@ -70,6 +72,11 @@ struct CachedTextTexture {
size: UiSize, size: UiSize,
} }
struct CachedImageTexture {
_texture: wgpu::Texture,
bind_group: wgpu::BindGroup,
}
struct GlyphAtlas { struct GlyphAtlas {
texture: wgpu::Texture, texture: wgpu::Texture,
bind_group: wgpu::BindGroup, bind_group: wgpu::BindGroup,
@@ -106,6 +113,12 @@ struct UploadedText {
vertex_count: u32, vertex_count: u32,
} }
struct UploadedImage {
bind_group: wgpu::BindGroup,
vertex_buffer: wgpu::Buffer,
vertex_count: u32,
}
struct UploadedAtlasText { struct UploadedAtlasText {
vertex_buffer: wgpu::Buffer, vertex_buffer: wgpu::Buffer,
vertex_count: u32, vertex_count: u32,
@@ -181,10 +194,13 @@ pub struct WgpuSceneRenderer {
swash_cache: SwashCache, swash_cache: SwashCache,
text_cache: HashMap<TextTextureKey, CachedTextTexture>, text_cache: HashMap<TextTextureKey, CachedTextTexture>,
text_cache_order: VecDeque<TextTextureKey>, text_cache_order: VecDeque<TextTextureKey>,
image_cache: HashMap<u64, CachedImageTexture>,
image_cache_order: VecDeque<u64>,
glyph_atlas: GlyphAtlas, glyph_atlas: GlyphAtlas,
} }
const MAX_TEXT_CACHE_ENTRIES: usize = 64; const MAX_TEXT_CACHE_ENTRIES: usize = 64;
const MAX_IMAGE_CACHE_ENTRIES: usize = 64;
const GLYPH_ATLAS_SIZE: u32 = 2048; const GLYPH_ATLAS_SIZE: u32 = 2048;
const GLYPH_ATLAS_PADDING: u32 = 1; const GLYPH_ATLAS_PADDING: u32 = 1;
@@ -397,6 +413,8 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
swash_cache: SwashCache::new(), swash_cache: SwashCache::new(),
text_cache: HashMap::new(), text_cache: HashMap::new(),
text_cache_order: VecDeque::new(), text_cache_order: VecDeque::new(),
image_cache: HashMap::new(),
image_cache_order: VecDeque::new(),
glyph_atlas, glyph_atlas,
}) })
} }
@@ -434,6 +452,14 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
usage: wgpu::BufferUsages::VERTEX, usage: wgpu::BufferUsages::VERTEX,
}); });
let text_prepare_start = std::time::Instant::now(); let text_prepare_start = std::time::Instant::now();
let uploaded_images: Vec<_> = scene
.items
.iter()
.filter_map(|item| match item {
DisplayItem::Image(image) => self.prepare_uploaded_image(image, scene.logical_size),
_ => None,
})
.collect();
let uploaded_atlas_text = self.prepare_uploaded_atlas_text(scene); let uploaded_atlas_text = self.prepare_uploaded_atlas_text(scene);
let uploaded_texts: Vec<_> = scene let uploaded_texts: Vec<_> = scene
.items .items
@@ -480,6 +506,14 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
pass.set_vertex_buffer(0, vertex_buffer.slice(..)); pass.set_vertex_buffer(0, vertex_buffer.slice(..));
pass.draw(0..vertices.len() as u32, 0..1); pass.draw(0..vertices.len() as u32, 0..1);
} }
if !uploaded_images.is_empty() {
pass.set_pipeline(&self.text_pipeline);
for image in &uploaded_images {
pass.set_bind_group(0, &image.bind_group, &[]);
pass.set_vertex_buffer(0, image.vertex_buffer.slice(..));
pass.draw(0..image.vertex_count, 0..1);
}
}
if let Some(atlas_text) = uploaded_atlas_text.as_ref() { if let Some(atlas_text) = uploaded_atlas_text.as_ref() {
pass.set_pipeline(&self.text_pipeline); pass.set_pipeline(&self.text_pipeline);
pass.set_bind_group(0, &self.glyph_atlas.bind_group, &[]); pass.set_bind_group(0, &self.glyph_atlas.bind_group, &[]);
@@ -501,6 +535,7 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
target: "ruin_ui_renderer_wgpu::perf", target: "ruin_ui_renderer_wgpu::perf",
scene_version = scene.version, scene_version = scene.version,
quad_vertices = vertices.len(), quad_vertices = vertices.len(),
image_batches = uploaded_images.len(),
atlas_text_vertices = uploaded_atlas_text atlas_text_vertices = uploaded_atlas_text
.as_ref() .as_ref()
.map_or(0_u32, |text| text.vertex_count), .map_or(0_u32, |text| text.vertex_count),
@@ -825,6 +860,36 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
Some(rect) Some(rect)
} }
fn prepare_uploaded_image(
&mut self,
image: &PreparedImage,
logical_size: UiSize,
) -> Option<UploadedImage> {
let key = image.resource.id();
if !self.image_cache.contains_key(&key) {
let cached = self.create_cached_image_texture(image);
self.image_cache.insert(key, cached);
}
self.touch_image_cache_entry(key);
let cached = self
.image_cache
.get(&key)
.expect("image cache entry should exist after insertion");
let vertices = build_image_vertices(image.rect, image.uv_rect, logical_size);
let vertex_buffer = self
.device
.create_buffer_init(&wgpu::util::BufferInitDescriptor {
label: Some("ruin-ui-renderer-wgpu-image-vertices"),
contents: bytemuck::cast_slice(&vertices),
usage: wgpu::BufferUsages::VERTEX,
});
Some(UploadedImage {
bind_group: cached.bind_group.clone(),
vertex_buffer,
vertex_count: vertices.len() as u32,
})
}
fn prepare_uploaded_text( fn prepare_uploaded_text(
&mut self, &mut self,
text: &PreparedText, text: &PreparedText,
@@ -879,6 +944,23 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
} }
} }
fn touch_image_cache_entry(&mut self, key: u64) {
if let Some(position) = self
.image_cache_order
.iter()
.position(|existing| *existing == key)
{
self.image_cache_order.remove(position);
}
self.image_cache_order.push_back(key);
while self.image_cache_order.len() > MAX_IMAGE_CACHE_ENTRIES {
let Some(evicted) = self.image_cache_order.pop_front() else {
break;
};
self.image_cache.remove(&evicted);
}
}
fn create_cached_text_texture(&self, text: &RasterizedText) -> CachedTextTexture { fn create_cached_text_texture(&self, text: &RasterizedText) -> CachedTextTexture {
let texture = self.device.create_texture(&wgpu::TextureDescriptor { let texture = self.device.create_texture(&wgpu::TextureDescriptor {
label: Some("ruin-ui-renderer-wgpu-texture"), label: Some("ruin-ui-renderer-wgpu-texture"),
@@ -935,6 +1017,61 @@ fn fs_main(input: VertexOut) -> @location(0) vec4<f32> {
size: text.size, size: text.size,
} }
} }
fn create_cached_image_texture(&self, image: &PreparedImage) -> CachedImageTexture {
let texture = self.device.create_texture(&wgpu::TextureDescriptor {
label: Some("ruin-ui-renderer-wgpu-image-texture"),
size: wgpu::Extent3d {
width: image.resource.width(),
height: image.resource.height(),
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::Rgba8UnormSrgb,
usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
view_formats: &[],
});
self.queue.write_texture(
wgpu::TexelCopyTextureInfo {
texture: &texture,
mip_level: 0,
origin: wgpu::Origin3d::ZERO,
aspect: wgpu::TextureAspect::All,
},
image.resource.pixels(),
wgpu::TexelCopyBufferLayout {
offset: 0,
bytes_per_row: Some(image.resource.width() * 4),
rows_per_image: Some(image.resource.height()),
},
wgpu::Extent3d {
width: image.resource.width(),
height: image.resource.height(),
depth_or_array_layers: 1,
},
);
let texture_view = texture.create_view(&wgpu::TextureViewDescriptor::default());
let bind_group = self.device.create_bind_group(&wgpu::BindGroupDescriptor {
label: Some("ruin-ui-renderer-wgpu-image-bind-group"),
layout: &self.text_bind_group_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::TextureView(&texture_view),
},
wgpu::BindGroupEntry {
binding: 1,
resource: wgpu::BindingResource::Sampler(&self.text_sampler),
},
],
});
CachedImageTexture {
_texture: texture,
bind_group,
}
}
} }
fn create_glyph_atlas( fn create_glyph_atlas(
@@ -1234,6 +1371,55 @@ fn build_text_vertices(origin: Point, size: UiSize, logical_size: UiSize) -> [Te
] ]
} }
fn build_image_vertices(
rect: Rect,
uv_rect: (f32, f32, f32, f32),
logical_size: UiSize,
) -> [TextVertex; 6] {
let left = to_ndc_x(rect.origin.x, logical_size.width.max(1.0));
let right = to_ndc_x(rect.origin.x + rect.size.width, logical_size.width.max(1.0));
let top = to_ndc_y(rect.origin.y, logical_size.height.max(1.0));
let bottom = to_ndc_y(
rect.origin.y + rect.size.height,
logical_size.height.max(1.0),
);
let (u0, v0, u1, v1) = uv_rect;
let color = [1.0, 1.0, 1.0, 1.0];
[
TextVertex {
position: [left, top],
uv: [u0, v0],
color,
},
TextVertex {
position: [left, bottom],
uv: [u0, v1],
color,
},
TextVertex {
position: [right, top],
uv: [u1, v0],
color,
},
TextVertex {
position: [right, top],
uv: [u1, v0],
color,
},
TextVertex {
position: [left, bottom],
uv: [u0, v1],
color,
},
TextVertex {
position: [right, bottom],
uv: [u1, v1],
color,
},
]
}
fn push_glyph_vertices( fn push_glyph_vertices(
vertices: &mut Vec<TextVertex>, vertices: &mut Vec<TextVertex>,
glyph_rect: PixelRect, glyph_rect: PixelRect,