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a8e98d3f9b
This introduces new `Tooltip` and `Popup` structs that unify and extend the old popups and tooltips. `Popup` handles the positioning and optionally stores state on whether the popup is open (for click based popups like `ComboBox`, menus, context menus). `Tooltip` is based on `Popup` and handles state of whether the tooltip should be shown (which turns out to be quite complex to handles all the edge cases). Both `Popup` and `Tooltip` can easily be constructed from a `Response` and then customized via builder methods. This also introduces `PositionAlign`, for aligning something outside of a `Rect` (in contrast to `Align2` for aligning inside a `Rect`). But I don't like the name, any suggestions? Inspired by [mui's tooltip positioning](https://mui.com/material-ui/react-tooltip/#positioned-tooltips). * Part of #4607 * [x] I have followed the instructions in the PR template TODOs: - [x] Automatic tooltip positioning based on available space - [x] Review / fix / remove all code TODOs - [x] ~Update the helper fns on `Response` to be consistent in naming and parameters (Some use tooltip, some hover_ui, some take &self, some take self)~ actually, I think the naming and parameter make sense on second thought - [x] Make sure all old code is marked deprecated For discussion during review: - the following check in `show_tooltip_for` still necessary?: ```rust let is_touch_screen = ctx.input(|i| i.any_touches()); let allow_placing_below = !is_touch_screen; // There is a finger below. TODO: Needed? ```
egui and eframe examples
All the examples in this folder uses eframe to set up a window for egui. Some examples are specific to eframe, but many are applicable to any egui integration.
There are a lot more examples at https://www.egui.rs, and it has links to the source code of each example.
Also check out the official docs at https://docs.rs/egui and https://docs.rs/eframe.
Note that all the examples on master are for the latest master version of egui.
If you want to look for examples for a specific version of egui, go to that tag, e.g. https://github.com/emilk/egui/tree/latest/examples.