1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
//! A crate to quickly build [imgui] GUIs using a `#[derive]` macro. //! //! [imgui]: https://crates.io/crates/imgui //! //! Annotations map to a subset of imgui types and methods: //! //! | Annotation | Mapped Imgui Type | //! | ----------------------------- | --- | //! | [`slider(...)`][slider] | [`SliderFloat`][SliderFloat], [`SliderFloat2`][SliderFloat2], [`SliderFloat3`][SliderFloat3], [`SliderFloat4`][SliderFloat4], [`SliderInt`][SliderInt], [`SliderInt2`][SliderInt2], [`SliderInt3`][SliderInt3], [`SliderInt4`][SliderInt4] | //! | [`drag(...)`][drag] | [`DragFloat`][DragFloat], [`DragFloat2`][DragFloat2], [`DragFloat3`][DragFloat3], [`DragFloat4`][DragFloat4], [`DragInt`][DragInt], [`DragInt2`][DragInt2], [`DragInt3`][DragInt3], [`DragInt4`][DragInt4] | //! | [`input(...)`][input] | [`InputFloat`][InputFloat], [`InputFloat2`][InputFloat2], [`InputFloat3`][InputFloat3], [`InputFloat4`][InputFloat4], [`InputInt`][InputInt], [`InputInt2`][InputInt2], [`InputInt3`][InputInt3], [`InputInt4`][InputInt4] | //! | [`text(...)`][text] | [`InputText`][InputText], [`InputTextMultiline`][InputTextMultiline] | //! | [`progress(...)`][progress] | [`ProgressBar`][ProgressBar] | //! | [`button(...)`][button] | [`Ui::button`][Ui::button], [`Ui::small_button`][Ui::small_button] | //! | [`checkbox(...)`][checkbox] | [`Ui::checkbox`][Ui::checkbox] | //! | [`separator(...)`][separator] | [`Ui::separator`][Ui::separator] | //! | [`new_line(...)`][new_line] | [`Ui::new_line`][Ui::new_line] | //! | [`display(...)`][display] | [`Ui::label_text`][Ui::label_text] | //! | [`bullet(...)`][bullet] | [`Ui::bullet_text`][Ui::bullet_text], [`Ui::bullet`][Ui::bullet] | //! | [`nested(...)`][nested] | See the [`nested` module](./nested/index.html) docs. | //! //! [slider]: ./slider/index.html //! [drag]: ./drag/index.html //! [input]: ./input/index.html //! [text]: ./text/index.html //! [progress]: ./progress/index.html //! [button]: ./button/index.html //! [checkbox]: ./checkbox/index.html //! [separator]: ./separator/index.html //! [new_line]: ./new_line/index.html //! [display]: ./display/index.html //! [bullet]: ./bullet/index.html //! [nested]: ./nested/index.html //! //! [SliderFloat]:https://docs.rs/imgui/0.0/imgui/struct.SliderFloat.html //! [SliderFloat2]:https://docs.rs/imgui/0.0/imgui/struct.SliderFloat2.html //! [SliderFloat3]:https://docs.rs/imgui/0.0/imgui/struct.SliderFloat3.html //! [SliderFloat4]:https://docs.rs/imgui/0.0/imgui/struct.SliderFloat4.html //! [SliderInt]:https://docs.rs/imgui/0.0/imgui/struct.SliderInt.html //! [SliderInt2]:https://docs.rs/imgui/0.0/imgui/struct.SliderInt2.html //! [SliderInt3]:https://docs.rs/imgui/0.0/imgui/struct.SliderInt3.html //! [SliderInt4]:https://docs.rs/imgui/0.0/imgui/struct.SliderInt4.html //! [DragFloat]:https://docs.rs/imgui/0.0/imgui/struct.DragFloat.html //! [DragFloat2]:https://docs.rs/imgui/0.0/imgui/struct.DragFloat2.html //! [DragFloat3]:https://docs.rs/imgui/0.0/imgui/struct.DragFloat3.html //! [DragFloat4]:https://docs.rs/imgui/0.0/imgui/struct.DragFloat4.html //! [DragInt]:https://docs.rs/imgui/0.0/imgui/struct.DragInt.html //! [DragInt2]:https://docs.rs/imgui/0.0/imgui/struct.DragInt2.html //! [DragInt3]:https://docs.rs/imgui/0.0/imgui/struct.DragInt3.html //! [DragInt4]:https://docs.rs/imgui/0.0/imgui/struct.DragInt4.html //! [InputFloat]:https://docs.rs/imgui/0.0/imgui/struct.InputFloat.html //! [InputFloat2]:https://docs.rs/imgui/0.0/imgui/struct.InputFloat2.html //! [InputFloat3]:https://docs.rs/imgui/0.0/imgui/struct.InputFloat3.html //! [InputFloat4]:https://docs.rs/imgui/0.0/imgui/struct.InputFloat4.html //! [InputInt]:https://docs.rs/imgui/0.0/imgui/struct.InputInt.html //! [InputInt2]:https://docs.rs/imgui/0.0/imgui/struct.InputInt2.html //! [InputInt3]:https://docs.rs/imgui/0.0/imgui/struct.InputInt3.html //! [InputInt4]:https://docs.rs/imgui/0.0/imgui/struct.InputInt4.html //! [InputText]:https://docs.rs/imgui/0.0/imgui/struct.InputText.html //! [InputTextMultiline]:https://docs.rs/imgui/0.0/imgui/struct.InputTextMultiline.html //! [ProgressBar]:https://docs.rs/imgui/0.0/imgui/struct.ProgressBar.html //! //! [Ui::button]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.button //! [Ui::small_button]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.small_button //! [Ui::checkbox]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.checkbox //! [Ui::separator]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.separator //! [Ui::new_line]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.new_line //! [Ui::label_text]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.label_text //! [Ui::bullet_text]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.bullet_text //! [Ui::bullet]: https://docs.rs/imgui/0.0.21/imgui/struct.Ui.html#method.bullet //! //! ## Basic usage //! //! ``` //! use imgui_ext::prelude::*; //! //! #[derive(ImGuiExt)] //! struct Example { //! #[imgui(slider(min = 0.0, max = 4.0))] //! x: f32, //! #[imgui(input(step = 2))] //! y: i32, //! #[imgui(drag(label = "Drag 2D"))] //! drag_2d: [f32; 2], //! //! #[imgui( //! checkbox(label = "Turbo mode"), //! display(label = "Is turbo enabled?"), //! )] //! turbo: bool, //! } //! ``` //! //! ![][result] //! //! [result]: https://i.imgur.com/Xrl1Nt0.png //! //! ## Input events //! //! Most annotations can take an optional `catch = "..."` parameter which can be used to identify //! when a button is pressed, an input has changed, etc.., later on: //! //! ```ignore //! use imgui_ext::prelude::*; //! //! #[derive(ImGuiExt)] //! struct Example { //! #[imgui(checkbox(catch = "check"))] //! input_check: bool, //! #[imgui(text(catch = "text"))] //! text: ImString, //! } //! //! // init imgui (ui)... //! //! let events = ui.imgui_ext(&mut example); //! if events.check { //! println!("New value: {}", example.input_check); //! } //! if events.text { //! println!("New text value: {:?}", example.text); //! } //! ``` //! //! ## Combining UI and non-UI fields //! //! If a field is not annotated, it will be ignored in the UI. //! //! ``` //! use imgui_ext::prelude::*; //! //! #[derive(ImGuiExt)] //! struct Example { //! #[imgui(label = "Some i32")] //! in_ui: u32, //! //! // since this field is not annotated, it is ignored by the UI //! not_in_ui: Vec<u8>, //! } //! ``` //! //! ## Descriptive errors //! //! UI correctness is checked at compile time. //! //! ```ignore //! #[derive(ImGuiExt)] //! struct Example { //! #[imgui(slider(min = 0.0))] //! foo: f32, //! } //! ``` //! //! ```nonrust //! error: Parameter `max` missing. //! --> example/src/main.rs:10:13 //! | //! 10 | #[imgui(slider(min = 0.0))] //! | ^^^^^^ //! ``` use imgui::Ui; pub use imgui_ext_derive::ImGuiExt; #[doc(hidden)] pub mod macros; pub mod prelude { pub use super::checkbox::Checkbox; pub use super::drag::Drag; pub use super::input::Input; pub use super::progress::Progress; pub use super::slider::Slider; pub use super::text::Text; pub use super::{ImGuiExt, UiExt}; } /// `checkbox(...)` docs. pub mod checkbox; /// `drag(...)` docs. pub mod drag; /// `input(...)` docs. pub mod input; /// `progress(...)` docs. pub mod progress; /// `slider(...)` docs. pub mod slider; /// `text(...)` docs. pub mod text; /// Support for some (basic) layout annotations. pub mod layout { //! //! This module is mostly a work in progress. Any suggestions or contributions are very welcome. //! //! Please file [an issue] if you wish contribute. //! //! [an issue]: https://github.com/germangb/imgui-ext/issues //! //! ## Annotations: //! //! * `#[imgui(separator)]` inserts a separator //! * `#[imgui(new_line)]` inserts an empty line } /// `display(...)` docs. pub mod display { //! //! `display(...)` is used to display a field. //! //! ## Optional fields //! //! * `label` //! * `display` formatted text. //! //! ## Example //! //! ``` //! use imgui_ext::prelude::*; //! //! #[derive(ImGuiExt)] //! struct Labels { //! #[imgui(display)] //! foo: f32, //! //! // Use inner fields to format the text. //! #[imgui(display(label = "Tuple", display = "({}, {}, {})", 0, 1, 2))] //! bar: (f32, bool, usize), //! //! // when display() is the only annotation, it can be abbreviated: //! #[imgui(label = "String param")] //! baz: String, //! } //! ``` //! //! ![][result] //! //! [result]: https://i.imgur.com/Wf4Uze7.png } /// `nested(...)` docs (used to build nested UIs). pub mod nested { //! //! Types that #[derive(ImGuiExt)] can be nested. //! //! ## Optional fields //! //! * `catch` *currently unimplemented. See [#][issue]* //! //! [issue]: # //! //! ## Example //! //! ``` //! use imgui::{ImString, ImGuiInputTextFlags}; //! use imgui_ext::prelude::*; //! //! #[derive(ImGuiExt)] //! struct Form { //! #[imgui(text)] //! user: ImString, //! #[imgui(text(flags = "passwd_flags"))] //! passwd: ImString, //! #[imgui(button(label = "Login"))] //! _btn: (), //! } //! //! fn passwd_flags() -> ImGuiInputTextFlags { //! ImGuiInputTextFlags::Password //! } //! //! #[derive(ImGuiExt)] //! struct Example { //! #[imgui(nested)] //! login_form: Form, //! #[imgui(checkbox(label = "Remember login?"))] //! remember: bool, //! } //! ``` //! //! ### Result //! //! ![][result] //! //! [result]: https://i.imgur.com/l6omyf4.png //! } /// `button(...)` docs. pub mod button { //! //! `button(...)` is not associated to any particular type, but its position within an annotation //! will determine where it is rendered in the final UI. //! //! ## Fields //! //! - `label` //! //! ## Optional fields //! //! - `size` name of a local function that returns the button size. //! - `catch` //! //! ## Example //! //! ```ignore //! #[derive(ImGuiExt)] //! struct Buttons { //! #[imgui( //! button(size = "button_size", label = "Click me!", catch = "click"), //! separator, //! display(label = "Clicks"), //! )] //! count: i32, //! } //! //! const fn button_size() -> (f32, f32) { //! (100.0, 20.0) //! } //! //! // initialize ui and Buttons... //! let events = ui.imgui_ext(&mut buttons); //! if events.click { //! buttons.count += 1; //! } //! //! ``` //! //! ![][image] //! //! [image]: https://i.imgur.com/PpOcZK8.png } /// `bullet(...)` docs. pub mod bullet { //! //! Used to build bulleted lists. It has two variants: //! //! * `bullet(text = "...")` //! * `bullet(...)` nests a UI element (currently unimplemented. See [#][issue]) //! //! [issue]: # //! //! ## Example //! //! ```ignore //! #[derive(ImGuiExt)] //! struct Bullet { //! #[imgui( //! bullet(text = "Be nice to others."), //! bullet(text = "Don't repeat your password"), //! bullet(text = "Kill all humans."), //! bullet(slider(min = 0.0, max = 1.0)), //! )] //! foo: f32, //! } //! ``` //! //! ### Result //! //! ![][result] //! //! [result]: https://i.imgur.com/pe4YstR.png } /// Trait implemented by the derive macro. pub trait ImGuiExt { type Events; fn imgui_ext(ui: &Ui, ext: &mut Self) -> Self::Events; } /// Extension trait for imgui Ui. /// /// ```ignore /// use imgui::Ui; /// use imgui_ext::prelude::*; /// /// #[derive(ImGuiExt)] /// struct Example { /// // ... /// } /// /// // initialize imgui... /// let ui: Ui<_> = ...; /// // initialize Example... /// let mut example: Example = ...; /// /// ui.imgui_ext(&mut example); /// ``` pub trait UiExt<'ui> { fn imgui_ext<U: ImGuiExt>(&'ui self, ext: &mut U) -> U::Events; } impl<'ui> UiExt<'ui> for Ui<'ui> { #[inline] fn imgui_ext<U: ImGuiExt>(&'ui self, ext: &mut U) -> U::Events { imgui_ext(self, ext) } } /// Render imgui UI and collect all the events /// /// ```ignore /// #[derive(ImGuiExt)] /// struct Example { /// #[derive(checkbox(catch = "click"))] /// check_box: bool, /// } /// /// // initialize imgui and example... /// /// let events = imgui_ext(ui, &mut example); /// if events.click { /// println!("New value: {}", example.check_box); /// } /// ``` /// /// Optionally you can call an extension method on the ui directly by using the [`UiExt`] trait. /// /// [`UiExt`]: # /// /// ```ignore /// // imports the UiExt trait /// use imgui_ext::prelude::*; /// /// // initialize ui and example... /// /// let events = ui.imgui_ext(&mut example); /// if events.click { /// // ... /// } #[inline] pub fn imgui_ext<U: ImGuiExt>(ui: &Ui, ext: &mut U) -> U::Events { U::imgui_ext(ui, ext) }