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License: MIT License
Rust UI Framework (WIP)
License: MIT License
error[E0433]: failed to resolve: use of undeclared type or module `LayoutRect`
--> imagine/src/systems/render_system.rs:32:26
|
32 | let bounds = LayoutRect::new(LayoutPoint::zero(), builder.content_size());
| ^^^^^^^^^^ use of undeclared type or module `LayoutRect`
error[E0433]: failed to resolve: use of undeclared type or module `LayoutPoint`
--> imagine/src/systems/render_system.rs:32:42
|
32 | let bounds = LayoutRect::new(LayoutPoint::zero(), builder.content_size());
| ^^^^^^^^^^^ use of undeclared type or module `LayoutPoint`
error[E0433]: failed to resolve: use of undeclared type or module `LayoutPrimitiveInfo`
--> imagine/src/systems/render_system.rs:34:24
|
34 | let info = LayoutPrimitiveInfo::new(bounds);
| ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `LayoutPrimitiveInfo`
error[E0433]: failed to resolve: use of undeclared type or module `LayoutPoint`
--> imagine/src/text.rs:32:28
|
32 | point: LayoutPoint::new(position.x, position.y),
| ^^^^^^^^^^^ use of undeclared type or module `LayoutPoint`
error[E0433]: failed to resolve: use of undeclared type or module `LayoutPoint`
--> imagine/src/text.rs:56:24
|
56 | point: LayoutPoint::new(glyph.point.x + origin.x, glyph.point.y + origin.y),
| ^^^^^^^^^^^ use of undeclared type or module `LayoutPoint`
error[E0433]: failed to resolve: use of undeclared type or module `LayoutSize`
--> imagine/src/lib.rs:109:34
|
109 | layout_size: LayoutSize::zero(),
| ^^^^^^^^^^ use of undeclared type or module `LayoutSize`
error[E0433]: failed to resolve: use of undeclared type or module `DeviceIntSize`
--> imagine/src/lib.rs:178:21
|
178 | DeviceIntSize::new(size.width as i32, size.height as i32)
| ^^^^^^^^^^^^^ use of undeclared type or module `DeviceIntSize`
error[E0433]: failed to resolve: could not find `TypedScale` in `euclid`
--> imagine/src/lib.rs:182:57
|
182 | framebuffer_size.to_f32() / euclid::TypedScale::new(hidpi_factor as f32);
| ^^^^^^^^^^ could not find `TypedScale` in `euclid`
error[E0433]: failed to resolve: use of undeclared type or module `DeviceIntSize`
--> imagine/src/lib.rs:220:21
|
220 | DeviceIntSize::new(size.width as i32, size.height as i32)
| ^^^^^^^^^^^^^ use of undeclared type or module `DeviceIntSize`
error[E0433]: failed to resolve: use of undeclared type or module `DeviceIntSize`
--> imagine/src/lib.rs:340:13
|
340 | DeviceIntSize::new(size.width as i32, size.height as i32)
| ^^^^^^^^^^^^^ use of undeclared type or module `DeviceIntSize`
error[E0433]: failed to resolve: use of undeclared type or module `DeviceIntSize`
--> imagine/src/lib.rs:405:21
|
405 | DeviceIntSize::new(size.width as i32, size.height as i32)
| ^^^^^^^^^^^^^ use of undeclared type or module `DeviceIntSize`
error[E0433]: failed to resolve: use of undeclared type or module `DeviceIntRect`
--> imagine/src/lib.rs:411:21
|
411 | DeviceIntRect::new(DeviceIntPoint::zero(), framebuffer_size),
| ^^^^^^^^^^^^^ use of undeclared type or module `DeviceIntRect`
error[E0433]: failed to resolve: use of undeclared type or module `DeviceIntPoint`
--> imagine/src/lib.rs:411:40
|
411 | DeviceIntRect::new(DeviceIntPoint::zero(), framebuffer_size),
| ^^^^^^^^^^^^^^ use of undeclared type or module `DeviceIntPoint`
error[E0433]: failed to resolve: use of undeclared type or module `WorldPoint`
--> imagine/src/lib.rs:433:38
|
433 | let world_position = WorldPoint::new(position.x as f32, position.y as f32);
| ^^^^^^^^^^ use of undeclared type or module `WorldPoint`
error[E0412]: cannot find type `LayoutPrimitiveInfo` in this scope
--> imagine/src/text.rs:46:16
|
46 | info: &LayoutPrimitiveInfo,
| ^^^^^^^^^^^^^^^^^^^ not found in this scope
error[E0412]: cannot find type `LayoutPoint` in this scope
--> imagine/src/text.rs:47:17
|
47 | origin: LayoutPoint,
| ^^^^^^^^^^^ not found in this scope
error[E0412]: cannot find type `LayoutSize` in this scope
--> imagine/src/lib.rs:181:34
|
181 | let layout_size: LayoutSize =
| ^^^^^^^^^^ not found in this scope
error[E0412]: cannot find type `LayoutSize` in this scope
--> imagine/src/lib.rs:262:18
|
262 | layout_size: LayoutSize,
| ^^^^^^^^^^ not found in this scope
error[E0412]: cannot find type `LayoutSize` in this scope
--> imagine/src/lib.rs:273:34
|
273 | pub fn layout_size(&self) -> LayoutSize {
| ^^^^^^^^^^ not found in this scope
warning: trait objects without an explicit `dyn` are deprecated
--> imagine/src/widget.rs:47:19
|
47 | type Target = Widget;
| ^^^^^^ help: use `dyn`: `dyn Widget`
|
= note: `#[warn(bare_trait_objects)]` on by default
warning: trait objects without an explicit `dyn` are deprecated
--> imagine/src/lib.rs:537:28
|
537 | fn clone(&self) -> Box<RenderNotifier> {
| ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RenderNotifier`
error[E0061]: this function takes 5 arguments but 4 arguments were supplied
--> imagine/src/lib.rs:344:13
|
344 | webrender::Renderer::new(gl.clone(), notifier, opts, None).unwrap();
| ^^^^^^^^^^^^^^^^^^^^^^^^ ---------- -------- ---- ---- supplied 4 arguments
| |
| expected 5 arguments
error[E0599]: no method named `set_window_parameters` found for struct `webrender_api::api::RenderApi` in the current scope
--> imagine/src/lib.rs:408:26
|
408 | self.api.set_window_parameters(
| ^^^^^^^^^^^^^^^^^^^^^ method not found in `webrender_api::api::RenderApi`
error[E0599]: no method named `toggle_debug_flags` found for struct `webrender::renderer::Renderer` in the current scope
--> imagine/src/lib.rs:426:22
|
426 | .toggle_debug_flags(webrender::DebugFlags::PROFILER_DBG);
| ^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `get_debug_flags`
error[E0061]: this function takes 12 arguments but 6 arguments were supplied
--> imagine/src/systems/render_system.rs:36:21
|
36 | builder.push_stacking_context(
| ^^^^^^^^^^^^^^^^^^^^^ expected 12 arguments
37 | &info,
| -----
38 | None,
| ----
39 | TransformStyle::Flat,
| --------------------
40 | MixBlendMode::Normal,
| --------------------
41 | &[],
| ---
42 | RasterSpace::Screen,
| ------------------- supplied 6 arguments
error[E0061]: this function takes 6 arguments but 5 arguments were supplied
--> imagine/src/text.rs:59:17
|
59 | builder.push_text(info, &glyphs, font_instance_key, ColorF::BLACK, None);
| ^^^^^^^^^ ---- ------- ----------------- ------------- ---- supplied 5 arguments
| |
| expected 6 arguments
error: aborting due to 24 previous errors
Some errors have detailed explanations: E0061, E0412, E0433, E0599.
For more information about an error, try `rustc --explain E0061`.
error: could not compile `imagine`.
We need to determine how we should handle state within the UI. There is a lot of state in any GUI application, so I believe it should be split up into two main categories:
Application State
This is the state managed by the user of the library.
UI State
This is the state of the UI widgets. This includes whether a UI element is hovered, clicked, focused. This also includes text field state: cursor position, selected text, etc...
There are many different approaches to managing this state:
Functional
The UI is a function of the application state. This method works well for frameworks that are built on top of an already functional UI (like web browser DOM) because the UI state is handled at a lower level. This approach is difficult for this project, because UI state like text field selections would have to be stored along side application state. This also requires the UI to be rebuilt every time state is changed (this can be optimized somewhat, but it is still extra overhead).
Imperative
With this approach, we create a single UI tree and store handles to each UI component and update components states via those handles. Users can also subscribe to UI component events to determine when actions occur (ex. button click). This method doesn't require reconstructing the UI tree every time the state changes; however, this approach can lead to inconsistent UI states. The internal state may be updated, but the UI may not be updated to reflect that.
Hybrid
The best approach will probably be some sort of hybrid, but I'm not sure what trade-offs to take yet.
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