Window

Actions

• Create window — create a window by ID. menuBar enables the built-in menu bar.
• Set window open — open/close.
• Set window position / size — set position or size. always flag = apply every frame (otherwise the window can be dragged).
• Unlock window position / size — remove the position/size lock.
• Set window collapsed — collapse to title bar.
• Clear window — remove all content.
• Clear window text — remove only texts (those without id).
• Remove window — delete the window entirely.

Conditions

• Is window open / collapsed — state check.
• On window opened / closed — trigger on open/close (from user or from code).

Widgets

Buttons

• Add button — regular button.
• Add invisible button — invisible clickable area (width × height).
• Add selectable — list item with hover.

Input fields

• Add input text — single-line input.
• Add input text (flags) — flags: password, readonly, numbers, hex, uppercase, nospaces, enter.
• Add input int / float — numeric fields with +/-.
• Add multiline input — multiline field (width × height).

Sliders

• Add slider float / int — horizontal.
• Add VSlider float / int — vertical (width × height).
• Set slider color — tint a slider with a hex color.
• Add drag int / float — drag widgets (drag the value with the mouse).

Selection

• Add checkbox — checkbox.
• Add combo — dropdown list (items separated by |).
• Add list box — visible list (heightInItems = visible rows, -1 = auto).
• Add radio group — radio buttons.
• Add color edit 3 / 4 — RGB/RGBA color picker.

Other

• Add progress bar — progress bar (fraction 0..1, overlay — text on top).

Conditions

• On button clicked, On invisible button clicked, On selectable clicked, On checkbox changed, On input text changed, On slider changed, On drag changed, On combo changed, On list box changed, On radio changed, On color edit changed, Is checkbox checked.

Expressions

• CheckboxValue, InputTextValue, InputIntValue, InputFloatValue, InputMultilineValue, SliderFloatValue, SliderIntValue, VSliderFloatValue, VSliderIntValue, DragIntValue, DragFloatValue, ColorEditR/G/B/A, ColorEditValue (hex), ComboValue, ComboText, ListBoxValue, ListBoxText, RadioGroupValue, RadioGroupText.

Text

• Add text — plain text (textId is needed for hover triggers).
• Add colored text — colored text (hex #RRGGBB or #RRGGBBAA).
• Add wrapped text — with auto word wrap.
• Add bullet / bullet text — list marker.

Layout & Containers

Positioning

• Add separator, Add same line (offset/spacing), Add spacing (count times), Add new line, Add indent / unindent.

Containers

• Begin child / End child — nested scrollable window (width/height = 0 means stretch).
• Begin child (flags) / End child — flags via |: borders, padding, resizex, resizey, frame, hscroll, nowheel.
• Set child scroll / Scroll child to bottom — scroll control.
• Begin disabled / End disabled — everything between is inactive.
• Add tree node / tree pop — collapsible node.
• Add collapsing header — like tree node but full width.
• Begin tab bar / tab item / End ... — tabs.

Tables

• Begin table / End table — start/end (columns = column count).
• Table setup column — declare a column (before HeadersRow).
• Table headers row — draw headers.
• Table next row / next column — move between cells.

Conditions

• On node opened / closed, Is node open.

Expression

• NodeOpen.

Menus

• In window: Add begin menu bar / end, Add begin menu / end, Add menu item. The window must be created with menuBar=true.
• Main menu (top of screen): Set main menu bar, Add main menu, Add main menu item, Add main end menu, Clear main menu bar.

Condition

• On menu item clicked.

Popups & Tooltips

• Add begin popup / end popup — popup container. modal = modal window.
• Open popup / Close popup — programmatic control.
• Set item tooltip — attach a tooltip to a widget by id.
• Show tooltip / Hide tooltip — tooltip following the cursor.

Conditions

• Is popup open, On popup closed.

Plots

• Add plot lines — line graph. Values = CSV of initial data. Min/Max = 0 means auto mode. Height in pixels.
• Add plot histogram — bar histogram. Plus overlay and maxBars.
• Push plot value — add a point at the end.
• Set plot value — set value by index.

Expression

• PlotValue(plotId, index).

Console

• Create console — create a console widget (log + input field).
• Console print — print a line (hex color).
• Console clear — clear.

Condition

• On console submitted (Enter in the input field).

Expression

• ConsoleText(id) — last entered command.

Array Viewer

A widget for visualizing C3 arrays like in the editor.

• Add array viewer — bind to an Array object. autoRefresh = update every tick.
• Refresh array viewer — manual refresh.
• Set array viewer array — switch to another Array.

Condition

• On array viewer sheet changed (Z layer switch).

Expression

• ArrayViewerSheet(id) — current layer.

Theme & Font

• Set theme — dark, classic, light.
• Set font — load a TTF. Empty URL = reset to default. Size (px). Glyph ranges: default, cyrillic, chinese, japanese, korean, thai, vietnamese.

UI State

Conditions

• Is mouse over UI — mouse over ImGui.
• Is keyboard captured — ImGui captured the keyboard (an input field is active).
• Is any window hovered — mouse over any window.
• Is item hovered / active — state of a specific widget by id.
• On item hovered / unhovered — cursor enter/leave.

Expressions

• ItemHovered(id), ItemActive(id) — 0/1.

• Call order matters. ImGui is immediate mode — everything between Begin/End (child, menu, popup, tab bar, table, disabled) is drawn inside. Begin and End must be paired.
• IDs are unique per window. For identical labels use a ### suffix: "Label###unique_id".
• Font rebuild takes one frame (render is paused during it).
• Arrays for ArrayViewer are looked up by the Array object name in the project.