Crate flatbox_egui

Source

Modules§

backend
command
containers
Containers are pieces of the UI which wraps other pieces of UI. Examples: Window, ScrollArea, Resize, SidePanel, etc.
epaint
A simple 2D graphics library for turning simple 2D shapes and text into textured triangles.
introspection
Showing UI:s for egui/epaint types.
layers
Handles paint layers, i.e. how things are sometimes painted behind or in front of other things.
menu
Menu bar functionality (very basic so far).
output
All the data egui returns to the backend at the end of each frame.
painter
special_emojis
The default egui fonts supports around 1216 emojis in total. Here are some of the most useful: ∞⊗⎗⎘⎙⏏⏴⏵⏶⏷ ⏩⏪⏭⏮⏸⏹⏺■▶📾🔀🔁🔃 ☀☁★☆☐☑☜☝☞☟⛃⛶✔ ↺↻⟲⟳⬅➡⬆⬇⬈⬉⬊⬋⬌⬍⮨⮩⮪⮫ ♡ 📅📆 📈📉📊 📋📌📎📤📥🔆 🔈🔉🔊🔍🔎🔗🔘 🕓🖧🖩🖮🖱🖴🖵🖼🗀🗁🗋🗐🗑🗙🚫❓
style
egui theme (spacing, colors, etc).
text
util
Miscellaneous tools used by the rest of egui.
widget_text
widgets
Widgets are pieces of GUI such as Label, Button, Slider etc.

Macros§

egui_assert
An assert that is only active when egui is compiled with the extra_asserts feature or with the extra_debug_asserts feature in debug builds.
github_link_file
Create a Hyperlink to the current file!() on github.
github_link_file_line
Create a Hyperlink to the current file!() (and line) on Github
trace
Show debug info on hover when Context::set_debug_on_hover has been turned on.

Structs§

Align2
Two-dimension alignment, e.g. Align2::LEFT_TOP.
Area
An area on the screen that can be moved by dragging.
Button
Clickable button with text.
CentralPanel
A panel that covers the remainder of the screen, i.e. whatever area is left after adding other panels.
Checkbox
Boolean on/off control with text label.
ClippedPrimitive
A Mesh or PaintCallback within a clip rectangle.
CollapsingHeader
A header which can be collapsed/expanded, revealing a contained Ui region.
CollapsingResponse
The response from showing a CollapsingHeader.
Color32
This format is used for space-efficient color representation (32 bits).
ColorImage
A 2D RGBA color image in RAM.
ComboBox
A drop-down selection menu with a descriptive label.
Context
Your handle to egui.
DragValue
A numeric value that you can change by dragging the number. More compact than a Slider.
DroppedFile
A file dropped into egui.
FontData
A .ttf or .otf file and a font face index.
FontDefinitions
Describes the font data and the sizes to use.
FontId
How to select a sized font.
FontImage
A single-channel image designed for the font texture.
FontTweak
Extra scale and vertical tweak to apply to all text of a certain font.
Frame
Add a background, frame and/or margin to a rectangular background of a Ui.
FullOutput
What egui emits each frame from crate::Context::run.
Galley
Text that has been layed out, ready for painting.
Grid
A simple grid layout.
HoveredFile
A file about to be dropped into egui.
Hyperlink
A clickable hyperlink, e.g. to "https://github.com/emilk/egui".
Id
egui tracks widgets frame-to-frame using Ids.
Image
An widget to show an image of a given size.
ImageButton
A clickable image within a frame.
InnerResponse
Returned when we wrap some ui-code and want to return both the results of the inner function and the ui as a whole, e.g.:
InputState
Input state that egui updates each frame.
Label
Static text.
LayerId
An identifier for a paint layer. Also acts as an identifier for Area:s.
Layout
The layout of a Ui, e.g. “vertical & centered”.
Link
Clickable text, that looks like a hyperlink.
Memory
The data that egui persists between frames.
Mesh
Textured triangles in two dimensions.
Modifiers
State of the modifier keys. These must be fed to egui.
MultiTouchInfo
All you probably need to know about a multi-touch gesture.
PaintCallback
If you want to paint some 3D shapes inside an egui region, you can use this.
PaintCallbackInfo
Information passed along with PaintCallback (Shape::Callback).
Painter
Helper to paint shapes and text to a specific region on a specific layer.
PlatformOutput
The non-rendering part of what egui emits each frame.
PointerState
Mouse or touch state.
Pos2
A position on screen.
ProgressBar
A simple progress bar.
RadioButton
One out of several alternatives, either selected or not.
RawInput
What the integrations provides to egui at the start of each frame.
Rect
A rectangular region of space.
Resize
A region that can be resized by dragging the bottom right corner.
Response
The result of adding a widget to a Ui.
Rgba
0-1 linear space RGBA color with premultiplied alpha.
RichText
Text and optional style choices for it.
Rounding
How rounded the corners of things should be
ScrollArea
Add vertical and/or horizontal scrolling to a contained Ui.
SelectableLabel
One out of several alternatives, either selected or not. Will mark selected items with a different background color. An alternative to RadioButton and Checkbox.
Sense
What sort of interaction is a widget sensitive to?
Separator
A visual separator. A horizontal or vertical line (depending on Layout).
SidePanel
A panel that covers the entire left or right side of a Ui or screen.
Slider
Control a number with a slider.
Spinner
A spinner widget used to indicate loading.
Stroke
Describes the width and color of a line.
Style
Specifies the look and feel of egui.
TextEdit
A text region that the user can edit the contents of.
TextFormat
TextureHandle
Used to paint images.
TexturesDelta
What has been allocated and freed during the last period.
TopBottomPanel
A panel that covers the entire top or bottom of a Ui or screen.
TouchDeviceId
this is a u64 as values of this kind can always be obtained by hashing
TouchId
Unique identification of a touch occurrence (finger or pen or …). A Touch ID is valid until the finger is lifted. A new ID is used for the next touch.
Ui
This is what you use to place widgets.
Vec2
A vector has a direction and length. A Vec2 is often used to represent a size.
Visuals
Controls the visual style (colors etc) of egui.
WidgetInfo
Describes a widget such as a crate::Button or a crate::TextEdit.
Window
Builder for a floating window which can be dragged, closed, collapsed, resized and scrolled (off by default).

Enums§

Align
left/center/right or top/center/bottom alignment for e.g. anchors and layouts.
CursorIcon
A mouse cursor icon.
Direction
Layout direction, one of LeftToRight, RightToLeft, TopDown, BottomUp.
Event
An input event generated by the integration.
FontFamily
Font of unknown size.
FontSelection
A way to select FontId, either by picking one directly or by using a TextStyle.
ImageData
An image stored in RAM.
Key
Keyboard keys.
Order
Different layer categories
PointerButton
Mouse button (or similar for touch input)
Shape
A paint primitive such as a circle or a piece of text. Coordinates are all screen space points (not physical pixels).
SliderOrientation
Specifies the orientation of a Slider.
TextStyle
Alias for a FontId (font of a certain size).
TextureFilter
How the texture texels are filtered.
TextureId
What texture to use in a Mesh mesh.
TouchPhase
In what phase a touch event is in.
WidgetText
This is how you specify text for a widget.
WidgetType
The different types of built-in widgets in egui

Constants§

NUM_POINTER_BUTTONS
Number of pointer buttons supported by egui, i.e. the number of possible states of PointerButton.

Traits§

NumExt
Extends f32, Vec2 etc with at_least and at_most as aliases for max and min.
TextBuffer
Trait constraining what types crate::TextEdit may use as an underlying buffer.
Widget
Anything implementing Widget can be added to a Ui with Ui::add.
WidgetWithState
Helper so that you can do TextEdit::State::read…

Functions§

__run_test_ctx
For use in tests; especially doctests.
__run_test_ui
For use in tests; especially doctests.
global_dark_light_mode_buttons
Show larger buttons for switching between light and dark mode (globally).
global_dark_light_mode_switch
Show a small button to switch to/from dark/light mode (globally).
lerp
Linear interpolation.
popup_below_widget
Shows a popup below another widget.
pos2
pos2(x, y) == Pos2::new(x, y)
remap
Linearly remap a value from one range to another, so that when x == from.start() returns to.start() and when x == from.end() returns to.end().
remap_clamp
Like remap, but also clamps the value so that the returned value is always in the to range.
reset_button
Show a button to reset a value to its default. The button is only enabled if the value does not already have its original value.
reset_button_with
Show a button to reset a value to its default. The button is only enabled if the value does not already have its original value.
show_tooltip
Show a tooltip at the current pointer position (if any).
show_tooltip_at
Show a tooltip at the given position.
show_tooltip_at_pointer
Show a tooltip at the current pointer position (if any).
show_tooltip_for
Show a tooltip under the given area.
show_tooltip_text
Show some text at the current pointer position (if any).
stroke_ui
vec2
vec2(x, y) == Vec2::new(x, y)
warn_if_debug_build
Helper function that adds a label when compiling with debug assertions enabled.

Type Aliases§

IconPainter
A function that paints the ComboBox icon
IdMap
IdMap<V> is a HashMap<Id, V> optimized by knowing that Id has good entropy, and doesn’t need more hashing.