9900443ff18c5bab35f324c842c052f89203cca0
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| Author | SHA1 | Message | Date | |
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 admin
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02ab10b3ef |
State restored on an ordinary launch for apps that ask, focus that follows its widget's id, buttons that do not take the focus when pressed, a focus ring only after the keyboard, and a browser app's surfaces copied rather than transferred, which WebKit got wrong
Restore on launch. `restore_state` follows Android's saved-instance-state contract: the saved bytes come back after a crash or a session restore, and a launch from the launcher starts fresh. Some apps keep state their users expect to find however the last run ended, as an Android browser keeps its tabs in its own storage even when closed from the app switcher. `App::restore_on_launch`, false by default, has the runtime restore on a plain launch too; `SessionRuntime::bootstrap` asks it before deciding. Saving, the file layout and the window geometry are the same either way. Its documentation explains when it is asked, that it is not when persistence is off, that `restore_state` must then merge what the launch itself asks for, such as a URL on the command line, and that what `save_state` returns now outlives every exit; it carries a compiled example. `restore_state`'s documentation, `docs/onboarding.md` and the cookbook's session state recipe mention it. Focus on a press. `Button::focusable( false )` and `WindowButton` kept out of the Tab cycle but still took the focus when pressed, and Enter then pressed them again, which closed a browser's tab when the user pressed Enter in a page after closing another tab. `LaidOutWidget` gains `focus_on_press`, from `Element::focus_on_press`: a button's `focusable`, a `WindowButton`'s, a pressable's new `Pressable::focus_on_press`, true by default, and true for every other widget. `focus_pressed` replaces `set_focus` for pointer and touch presses and leaves the focus where it was when the widget does not take it. Enter's fallback to the widget under the pointer, which `hovered_idx` follows, skips such widgets too, and a rebuild that leaves the focus on one drops it (`drop_misplaced_focus`). The close buttons of `tab_strip`, on the desktop and on the phone's cards, are not focusable; `symbol_button` takes whether its button is. Focus by id. The focus was held as the index of a widget in the laid-out tree, so a rebuild that inserted or removed widgets before it moved it to whatever widget took that index. `WidgetId` becomes a name and a key, `WidgetId::keyed( name, key )` telling apart widgets of the same kind, such as the tabs of a strip; `WidgetId( "name" )` still builds one, through a `const fn` of that name, so the calls in every app compile unchanged, and only code that read `.0`, the toasts, the combo and the tooltip here, moves to the derived `Hash` or `name()`. After each layout `follow_focused_id` finds the focused id and moves the focus to its new index with the field's pending text, cursor, selection and scroll; it drops the focus when the widget is gone, keeps it when a scroll only clipped it, and leaves it when the widget at the old index still has the id. `draw_surface` returns whether the focus moved, and its callers draw the surface again rather than marking it done, since the frame just drawn showed the focus in the old place. Widgets without an id keep the index. Each tab and each card of `tab_strip` carries `WidgetId::keyed` with the tab's key, so a chosen tab keeps the focus while others close. Focus ring. A press that focused a button, a toggle or a list item left its ring drawn, which browsers have not done since `:focus-visible`. `SurfaceState::focus_visible` is set by Tab and Shift+Tab and cleared by a press that moves the focus, `show_focus_ring` redrawing the whole surface when it changes, since the partial redraw only sees indices. The draw is given the focused index only while the ring shows or the widget is a text field, which draws its cursor however it was focused; the focus itself is unchanged, so Enter and Space still press the widget. Key repeat. A key repeated by the platform rather than by ltk's own timer reached the focused widget even while `App::claims_keyboard` was true; `key_repeated` checks it as `key_press` does. Browser surfaces. Every surface is painted through the app's one WebGL context on one `OffscreenCanvas`, and was handed to its own canvas, a `bitmaprenderer`, with `transferToImageBitmap`. WebKit reuses the buffer of a bitmap it was handed, so in a WebKit browser each surface showed another's frame, or none, and only the last one painted was right: forge/web's background, dock and windows came and went in a WPE browser while Chromium showed them all. A test page with two canvases fed from one offscreen canvas showed their colours swapped in WPE and right with a copy. Each surface's canvas is now a `2d` one, and `present_copy` copies the offscreen canvas with `drawImage` in `copy` composition, set before every copy since resizing a canvas resets its context, so a transparent frame replaces the last rather than leaving trails behind an animation. Subsurfaces go the same way. `WebSurfaceState` loses `bitmap` and `new` its `gpu` argument, and web-sys loses the `ImageBitmap` and `ImageBitmapRenderingContext` features. CHANGELOG records each of these. Not done. The tests that build `LaidOutWidget` by hand set the new field, but no test covers a press on a non-focusable button, the focus following an id or the ring. For one frame after a rebuild moves the focused widget, its ring and its cursor may show in the old place. |
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admin
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da34eee9e6 |
External textures drawn at their own size, a repaint without rebuilding the view, an icon size for list rows, and lighter tabs on the desktop strip
External textures. `ExternalSource::Texture` stretches its texture over the widget's rect, so a producer that is a few frames behind a new rect shows its old picture stretched or squeezed. A web page while its window is resized is the clearest case: the page keeps sending frames of the old size until it has laid itself out again, and the content wobbles as the window moves. The new `ExternalSource::Frame` closure returns the texture with its size in physical pixels, and the texture is drawn at that size from the rect's top left corner, cut to the rect. A late frame then leaves an empty edge or loses one for a moment, as other browsers do, instead of being distorted. The cut uses `interior_clip`, which moves from the text field's drawing code to `render/clip.rs` so both widgets can use it, and the clip that was active before is restored afterwards. Repaint without a view. An application whose only change is a new frame in an external texture had to report `InvalidationScope::All`, which rebuilds the whole view just to draw the same widgets again. `App::needs_repaint` is asked once per iteration, after the messages are processed. When it returns `true`, the main surface and the secondary surfaces are redrawn from the cached view, without calling `view`. The default is `false`, so existing applications behave as before. List rows. `ListItem::icon_size` overrides the size of the leading icon, which was always the theme's 24 design px, for dense lists such as a menu, where an icon of that size dominates the row. Tab strip. On the desktop, a tab's title is drawn at the regular weight whether it is selected or not; the selected tab already stands out by its fill and edge, and the bold title made the strip heavy. The desktop tab's close icon is 10 widget pixels instead of the 16 that the cards of the tab overview keep, so `parts::close` now takes the icon size from its caller. |
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admin
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96a9e88051 |
Back as a navigation request: App::on_back, BackAtRoot, NavStack and docs/navigation.md; renew the text-input enable on a press; fit an oversized window_size_hint to the screen
Three changes that came out of making the shell's back button work across Eydos the way it does on Android. The first is the feature; the other two are gaps it exposed. Back is no longer Escape. forge turns its back gesture and button into the `XF86Back` key for the focused client, and ltk treated that key as an alias of `Escape`: close transient UI, else drop the focus and reach `on_key_with_modifiers`. That is "cancel", and it is all an app could get: nothing navigated, and nothing ever left the app. `XF86Back` is now a back request with its own order, one layer per request, top-most first: transient UI the runtime owns (open xdg-popup overlays, the built-in context menu, a text selection, the top-most pressable carrying an `on_escape`, i.e. a dialog's cancel), then text-input focus, then the new `App::on_back`, then `on_key_with_modifiers( XF86_Back )` so an app that bound the key itself keeps receiving it (crustace does, for its launcher), then `App::back_at_root`. The first step is what Escape already did; it moves out of `handle_key_escape` into `AppData::dismiss_transient` in the new `input/keyboard/back.rs`, which both paths call, so Escape behaves exactly as before. Text focus comes before the app on purpose: with a keyboard covering half the screen, back means "put the keyboard away", and navigating instead would discard what the user was typing. A compositor that folds its keyboard itself, as forge now does, only lets the next request through, which makes this step the fallback for the ones that do not. `App::on_back` returns a `BackResponse`: `Message( msg )` with the message that undoes the top-most piece of navigation state, `Unhandled` at the root, or `Consumed` for a host whose back stack lives elsewhere and cannot be inspected ahead of time. `Consumed` exists for rustdroid: an Android app keeps its activities, fragments and back callbacks in its own code, so the host can only hand the request over. `App::back_at_root` then picks `Minimize` (the default), `Close` (through `on_close_requested`, which can still veto) or `Ignore`. Minimising is what a root activity does on Android since version 12 and what suits an app the user comes back to: a browser keeps its tabs, a call goes on. It is also the single point where the two stacks meet: the navigation stack belongs to the app's model, the task stack to the compositor, and `xdg_toplevel.set_minimized` is the one standard request between them, so no custom protocol carries navigation state out of the process and clients that are not ltk apps keep working. Only `ShellMode::Window` surfaces react at the root; a panel or a lock screen that minimised itself would be a bug. Three consequences of back being a navigation request rather than input: the key leaves the default `App::key_repeats` set, since a held button would empty the whole stack; it is no longer reported through `App::on_raw_key`, so a host forwarding raw keys into an embedded web view or guest toolkit stops leaking it as a keystroke; and the mouse's back button (`BTN_SIDE` / `BTN_BACK`) enters through the same `handle_back`. `focused_text_input` becomes `pub( crate )` for the new module. The answer is derived, not recorded, and that is the design decision worth writing down. The runtime keeps no navigation stack of its own. Its entries would have to be messages, which are not serialisable (the trait puts no serde bound on `Message`, by design), so it could not survive a relaunch; and a list of "things to undo" drifts the first time the user leaves a screen some other way, through its own close button or a link, leaving a back press that does nothing visible. An answer computed from the model cannot disagree with it. This is also what ties back to the session persistence added earlier: navigation state is both what `on_back` reads and what `save_state` should persist, and keeping the two the same is what makes back retrace the same places after a session restore or a crash, with nothing extra to serialise. Persist less and a restored app opens on the right screen with nothing behind it; persist more and it restores a menu the user had closed. `NavStack<R>` packages that rule for the common case, an app made of screens. It is a plain value the app keeps in its model, never seen by the runtime: `push`, `pop`, `replace` (the sideways move back should not retrace), `pop_to_root`, `reset`, `current`, `current_mut`, `iter`, `depth`, `can_pop`, and `back( msg )`, which answers `on_back` directly. It is stored as a root plus the routes above it rather than as a `Vec`, so "never empty" holds by construction, including after deserialising an old or damaged state file, and it derives serde whenever `R` does. Six unit tests cover it, a serde round trip among them, and its rustdoc example is a complete `App` where one object answers `on_back`, `save_state` and `restore_state`. Documentation, since the point is for app authors to take navigation state into account. The new `docs/navigation.md` is the reference: transient UI versus navigation state and the test that separates them, the back order and the reason for each step, why the answer is derived, how it lines up with session state, `NavStack`, apps that embed a web view (whose page history is navigation state too, to be persisted with ltk-webkit's `session_state`), hosts with a foreign back stack, the root, who owns which stack, and an author's checklist. `architecture.md` gains a group in the trait surface and a paragraph in the state patterns, `onboarding.md` and the README index link to it, and in the cookbook the multi-screen recipe now uses `NavStack` with `on_back` and persists the stack without serde, which keeps it compiled by the Markdown doctest harness (that harness links `ltk` alone, so the serde example in `navigation.md` is marked `ignore` and compiled as `NavStack`'s own doctest instead). `BackResponse`, `BackAtRoot` and `NavStack` are exported at the crate root and in the `ltk::window` facade. Behaviour change for existing apps, also recorded under Changed: a window app that implements neither `on_back` nor the key is now minimised on back at its root, where nothing happened before; `BackAtRoot::Ignore` restores that. With a text input focused, back only drops the focus and the app sees the next request, where it used to get the key in the same press. Renew the text-input enable on a press. Moving the focus between two text fields, or pressing the one already focused, only committed the refreshed content type on the existing `zwp_text_input_v3`. `activate_text_input` now sends `enable` first, as GTK does when a focused entry is clicked. A compositor that folded its on-screen keyboard while the field kept the focus, which is what back now does, has no other way to learn that the user wants it again: the text-input never stopped being active, so there was nothing for it to observe. ltk sends neither surrounding text nor a cursor rectangle, so the only state `enable` resets is the content type set right after it. Fit an oversized `window_size_hint` to the screen. The hint is pinned as `min_size == max_size` before the first commit, when no output is known yet, so an app asking for a phone-shaped 720x1440 window on a 1080p desktop got a toplevel taller than the screen; rustdroid carried a dead branch that tried to avoid this from a screen size nothing could give it. The first configure is the earliest point the hint can be checked, and the protocol has the right input for it: `xdg_toplevel.configure_bounds`, exposed by sctk as `WindowConfigure::suggested_bounds` and ignored until now. The new `event_loop/window_fit.rs` holds `fit_within`, which scales a size down keeping its aspect ratio until it fits and leaves one that fits untouched (four unit tests), and `AppData::fit_size_hint`, run once behind the new `pending_size_hint_fit` latch: it uses the compositor's bounds when sent and otherwise 90 % of the first output's logical size, since panels and decorations are unknown from the client side. When the hint has to shrink, `min_size` (and `max_size` for a non-resizable window) is re-pinned to the fitted size, which is kept in `fitted_size_hint` and replaces the app's hint as the fallback for later configures that carry no size; without that the window would grow back on the next one. On that one configure the fitted size wins over the compositor's `new_size`, which was derived from the oversized pin. `App::window_size_hint` documents the rule with the worked example (720x1440 opens as 486x972 on a 1080p output). The back order needs a live Wayland connection to exercise and has no test; the unit tests cover `NavStack` and `fit_within`. |
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admin
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ccf07de593 |
Session management: xdg-session-management-v1 client, mandatory App::app_id / save_state / restore_state, runtime-managed state persistence and clean exit on signals (0.3.0)
Applications built on ltk had no way to come back where the user left them: the toolkit hardcoded `app_id = "ltk"` on every toplevel, never wrote anything to disk, and died on SIGTERM without a chance to save. This release gives the runtime the whole plumbing and asks each application only for the bytes worth keeping, in the spirit of Android's saved-instance state. The `App` trait gains three mandatory methods, deliberately without default bodies so every application states its position: `app_id()` (reverse-DNS, used for `xdg_toplevel.set_app_id`, the AccessKit application name and the state directory — the `app_id` element of the deprecated `window_config` tuple is now ignored and a one-time warning reports a mismatch), `save_state() -> Option<Vec<u8>>` and `restore_state(Vec<u8>)`. The bytes are opaque; the trait carries no serde bound. Their rustdoc is the contract: when the runtime saves, where the files live, when the bytes come back and when they do not, what must never go in them, and a worked serde_json example. The runtime persists under `$XDG_STATE_HOME/<app_id>/` (falling back to `~/.local/state`): `session.json` holds the compositor session id, a clean-exit marker and the writer's pid; `state.bin` holds the application bytes. Writes are atomic (temp file + rename, mode 0600, directory 0700) and best-effort. State is saved every 30 s when the bytes changed, once after the event loop exits (which covers `on_close_requested`, `requested_exit` and lost connections), and on SIGTERM/SIGINT — a calloop signal source, installed before any thread exists, now turns those into a clean exit of the loop instead of process death. `restore_state` runs synchronously in `try_run` before the window is created and before the first `view()`, and only when the process is relaunched as part of a session restore (`LTK_SESSION_RESTORE=1`, removed from the environment before the app can spawn children) or when the previous run left `clean_exit: false`; a plain launch starts fresh. A second concurrent instance detects the live pid and runs with persistence disabled rather than clobbering the first. The compositor side of geometry restore goes through `xdg-session-management-v1`. Neither wayland-protocols nor sctk ship generated code for it yet, so the XML is vendored under `protocols/` and `wayland-scanner` generates the client module in-tree (`src/protocol/`), resolving the crate names through sctk's reexports so the bindings stay on the crate instances sctk links. Before the first commit of a `ShellMode::Window` toplevel the runtime binds `xdg_session_manager_v1`, calls `get_session(reason, stored_id)` and `restore_toplevel(toplevel, "main")`; the three window-creation paths in `run.rs` are folded into one `make_window` helper so the attach always sits immediately before `commit()`. `created` persists the id, `replaced` destroys the objects and stops persisting. Compositors without the global lose only the geometry half. Layer-shell and session-lock surfaces skip the whole machinery. Every `App` implementor in the tree is updated: the twelve examples (`showcase`, `scroll` and `mini_shell` persist real state; the rest return `None`), both integration tests (`event_loop_flow` gains `save_restore_round_trip`), the in-source and markdown doctests, README, onboarding, cookbook (new recipe "Surviving relaunch: session state") and architecture docs, and the changelog. `src/session_state.rs` carries unit tests over a temporary state directory. `Makefile install` now copies `protocols/` into the cargo registry — without it downstream builds would fail inside the proc-macro — and `debian/copyright` covers the vendored XML. The trait change is breaking, hence 0.3.0. Also fixes the pre-existing `viewport_tests` module in `render/mod.rs`, which used `Length` without importing it and broke `cargo test`. |
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admin
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806dee5167 |
render, types, ci: resolution-time dp with per-canvas density, bounded GLES image cache, clippy gate, backend capability matrix
Length::dp no longer collapses to absolute pixels at construction: the design value travels in a new LengthBase::Dp variant and the density multiplication happens when the length is resolved. Previously dp( n ) baked in whatever density() returned at view-build time, so correctness across output changes depended on the view being rebuilt after set_density and in that order; now a density change is picked up by the very next paint with no reconstruction. Length::resolve keeps its signature (process density), and the new Length::resolve_with_density takes an explicit factor. dp becomes const in the bargain. Density also becomes overridable per canvas, the first step towards surface-local responsive state. SoftwareCanvas and GlesCanvas carry a density: Option<f32> analogous to the layout_viewport introduced for sub-canvas fluid resolution: None means "use the process global", Canvas::set_density pins a local factor, and sub-canvases inherit it. All canvas-routed resolution honours it — geom_px / font_px for stock-widget design pixels, and the new Canvas::resolve_geom / resolve_font for explicit Length values, which every widget now uses in place of the raw l.resolve( canvas.viewport_layout(), EM ) pattern (row, column, wrap_grid, spacer, container, separator, button, text, rich_text, text_edit, list_item, vslider, image, and the container draw path). Overlay sizing keeps resolving against the main surface with the global density, which is what it describes. New tests cover explicit-density resolution, resolution-time application, the local-over-global override and sub-canvas inheritance. The GLES image texture cache is now bounded. It was content-keyed but unbounded and never evicted, so a stream of distinct buffers — a photo carousel, video thumbnails — grew GPU memory for the lifetime of the canvas. The cache now tracks an estimated byte total (RGBA8, w × h × 4) against a 32 MiB budget and evicts least-recently-drawn textures on insert; the most recent entry is never evicted, so a single texture larger than the whole budget still draws and simply owns the cache until replaced. Drop-time cleanup is unchanged: drain deletes whatever the map holds. CI gains a Clippy step (workspace, all targets, test-support, -D warnings) sharing the build cache of the test job, with make clippy mirroring the invocation locally and CONTRIBUTING listing it. Run make clippy locally before pushing the first time — the gate has not seen the tree yet and pre-existing lints will fail CI until addressed. docs/backends.md formalises the software/GLES capability matrix that was previously scattered across per-method rustdoc: parity set (fills, strokes, text, images, paths, path clips), graceful degradations on software (flat-fill gradients, no shadows, no backdrop blur, hard bottom edge), GPU-only features (external textures), the shared Oklab-fallback limitation, and the cross-backend blit panic. Linked from README, onboarding and architecture's known-gaps list, which now states the parity gaps explicitly. The dp/density prose in architecture.md, lib.rs and the Length rustdoc is updated for resolution-time semantics and the per-canvas override. |
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admin
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1fd697aa6d |
docs overhaul, orientation API, fluid-sizing fixes, examples made honest
Documentation pass: every claim in docs/ and the meta files was audited against the source and the drift fixed — around ninety corrections. CONTRIBUTING and the CI workflow now run cargo test with --features test-support (the gated test_support module made both the documented commands and the CI build fail to compile), make example becomes make examples, make doctest-md and the debhelper requirement of make clean are documented, and patch shape asks for a CHANGELOG entry. theming.md loses the nonexistent surface.backdrop, gains the real gradient defaults (linear-rgb, oklab), the six slot variants including typography, the ten-field palette, a truthful effects-consumer table, the ThemePreference/from_hour API and a responsive-sizing note; the stale docstrings in src/theme that fed the drift are fixed too. architecture.md's "Known gaps" section is rewritten against reality (multi-touch slots, xdg-activation, a11y live regions and SetValue/Increment/Decrement are implemented), gains a module map, subsurfaces and window-lifecycle coverage, and correct crustace/loginmanager paths. widgets.md fixes the ten factual errors (stateless spinner, toast/combo via overlays(), tooltip hover contract, row has no max_width, scroll axes, multiline text_edit, dialog panic wording) and now states the column() 16 px default padding — the recurring ambush — plus row's differing 0 default and dialog's max_width. onboarding, README and cookbook get the remaining sweep: build/test instructions, complete example lists, img_widget, clipping-parity honesty, ~30 Hz software cap, read_rgba_pixels signature, tab indentation in snippets, and rustdoc-style links that rendered literally are gone everywhere. CHANGELOG is restructured per Keep a Changelog with the missing entries (window_resizable, claims_raw_touch, Row::align_top/fill_height, caret fixes, dependency pins) and the pad_v Added/Changed contradiction resolved. New adaptive-layout API: ltk::orientation() with the Orientation enum, backed by viewport_size()/set_viewport_size — the runtime records the main surface's physical dimensions on every configure, before App::on_resize, so view() can branch a layout on portrait vs landscape without hand-tracking resizes. The portrait rule matches Length::orient (square counts as portrait); embedders driving core::UiSurface call set_viewport_size themselves. Documented in the crate root's responsive-design section and architecture.md. Fluid-vs-fixed sizing fixes in widgets, all the same disease — fluid content inside a fixed-pixel box. TextEdit::fixed_width takes impl Into<Length> (f32 call sites keep compiling as px) and the time picker's digit fields move to Length::fluid( 72.0 ), matching their fluid font so digits can no longer outgrow the box. Dialog::max_width takes impl Into<Length> with a Length::fluid( 480.0 ) default so the card scales with the stock buttons inside it, and the card's interior no longer stacks the column() default 16 px padding on top of CARD_PADDING — that double inset squeezed the action row until its buttons clipped on narrow windows. App::on_pointer_axis now triggers a view rebuild and repaint; previously state mutated in the hook did not paint until the next unrelated event. Examples reworked to be honest demos: responsive's mode/density controls become stock buttons in a grid/column so they follow the modes they demonstrate instead of overflowing; dialog's openers stack vertically, and the example gains the app-level ESC handler so the ESC chain closes an open dialog first and quits second; widgets' tab strip now switches real per-tab pages; carousel gains pointer/touch drag through the horizontal-swipe hooks (crustace's pager pattern), one-tile-per-detent mouse wheel, and snap math driven by the real surface width from on_resize instead of a hardcoded 800; clip_path arranges its cells by ltk::orientation() and sizes them from the counter-axis of the flow. |
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admin
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ce893ac776 |
responsive fluid/physical scaling, widget-API stabilization, and perf guardrails
Responsive scaling. ltk now offers two first-class ways to size a UI so it adapts across screens, chosen per process via `WidgetScaling { Fluid, Physical }` (`set_widget_scaling` / `widget_scaling`, default `Fluid`). Fluid sizing (`Length::fluid( px )`) makes a design pixel a proportion of the surface's smaller side, calibrated against a reference width (`set_fluid_reference` / `fluid_reference`, 412 px default) and bounded by `FLUID_MIN` / `FLUID_MAX`; physical sizing (`Length::dp( px )`) is a constant-physical-size pixel scaled by display density (`set_density` / `density`). `Length` gains `orient( portrait, landscape )` — resolve one value in portrait, another in landscape — plus `widget( px )`, which picks fluid or dp per the active mode. Canvas exposes `geom_px` (geometry, resolved in physical layout space) and `font_px` (font size, bridging logical / physical per mode) so widgets and apps share one resolution path. Note the rename: `set_design_reference` / `design_reference` became `set_fluid_reference` / `fluid_reference`, and `Length::dp` changed meaning — the old surface-proportional behaviour now lives on `Length::fluid`.
Widgets. Every stock widget resolves its default geometry and font through the widget-scaling mode instead of frozen pixels, so a whole UI scales coherently without per-call units. New size builders where they were missing: `button` gains `font_size` / `height`, `text_edit` gains `height` / `font_size_fluid`, `separator` gains `pad_v`, and assorted widgets accept a `Length` where they previously took only `f32`.
Overlays. `OverlaySpec::size` is now `( Length, Length )` instead of `( u32, u32 )`, resolved against the main surface when the overlay is materialized, so overlays can scale with the display; `Length::px( … )` reproduces the old fixed sizing.
API stabilization (toward 1.0). Widget struct fields are now `pub( crate )` — they are configured through builders, not field access — except the value / state types apps genuinely read or construct (`Time`, `Date`, `ComboState`), which stay public. The internal `test_support` helpers move behind a `test-support` Cargo feature (off by default, so third-party builds never see them; ltk's own `make test` enables it). `Separator` drops its `0.0`-means-mode sentinel for `Option<Length>`, so an explicit `pad_v( 0.0 )` is a real flush divider distinct from the mode-following default.
Performance guardrails. Opt-in diagnostics via `LTK_PERF_WARN=1` warn about stuck animations, sustained software-render animation, and low `poll_interval`; software-rendered animation is capped near 30 Hz to spare CPU on machines that fall back off EGL. Apps can override the cap with `App::cap_software_animation`.
Docs and build. The two scaling modes are documented in README, onboarding and architecture, with the earlier gradient / backdrop doc drift cleaned up. The Makefile now ships the `locales/` directory into the packaged crate (fixing i18n keys rendering raw for downstreams), builds the new `responsive` example, and runs tests with `--features test-support`.
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admin
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bbab5e238d | First commit. Version 0.1.0 |