Helper to avoid a common series of PushOverrideID -> GetID() -> PopID() call (note that when using this pattern, TestEngine's "Stack Tool" will tend t

Basic Accessors

Get ID of last item (~~ often same ImGui::GetID(label) beforehand)

Return the delta from the initial clicking position while the mouse button is clicked or was just released. This is locked and return 0.0f until the m

NB: prefer to call right after BeginPopup(). At the time Selectable/MenuItem is activated, the popup is already closed!

Note that this is used for popups, which can overlap the non work-area of individual viewports.

Top-left

Horizontal distance preceding label when using TreeNode() or Bullet()

In window space (not screen space!)

Calculate coarse clipping for large list of evenly sized items. Prefer using ImGuiListClipper. OBSOLETED in 1.85 (from August 2021)

Borders (Left, Right, Up, Down)

0..3: corners (Lower-right, Lower-left, Unused, Unused)

Return scrollbar rectangle, must only be called for corresponding axis if window->ScrollbarX/Y is set.

FIXME: Add a more explicit sort order in the window structure.

tess_tol is generally the same value you would find in ImGui::GetStyle().CurveTessellationTol Because those ImXXX functions are lower-level than ImGui

Functions

If you want to create ImDrawList instances, pass them ImGui::GetDrawListSharedData() or create and use your own ImDrawListSharedData (so you can use I

Input // For custom font glyphs only: target font