Constructors, destructor

Consider using _stricmp/_strnicmp under Windows or strcasecmp/strncasecmp. We don't actually use either ImStricmp/ImStrnicmp in the codebase any more.

frame_padding < 0: uses FramePadding from style (default) frame_padding = 0: no framing frame_padding > 0: set framing size

ImageButton() is flawed as 'id' is always derived from 'texture_id' (see #2464 #1390) We provide this internal helper to write your own variant while

Note: p_data, p_step, p_step_fast are _pointers_ to a memory address holding the data. For an Input widget, p_step and p_step_fast are optional. Read

Edit a string of text - buf_size account for the zero-terminator, so a buf_size of 6 can hold "Hello" but not "Hello!". This is so we can easily call

Tip: use ImGui::PushID()/PopID() to push indices or pointers in the ID stack. Then you can keep 'str_id' empty or the same for all your buttons (inste

[WILL OBSOLETE] This was designed for backends, but prefer having backend maintain a mask of held mouse buttons, because upcoming input queue system w

Important: this can be useful but it is NOT equivalent to the behavior of e.g.Button()! Most widgets have specific reactions based on mouse-up/down st

== GetItemID() == GetFocusID()

This is roughly matching the behavior of internal-facing ItemHoverable() - we allow hovering to be true when ActiveId==window->MoveID, so that clickin

Note that Dear ImGui doesn't know the meaning/semantic of ImGuiKey from 0..511: they are legacy native keycodes. Consider transitioning from 'IsKeyDow

Return if a mouse click/drag went past the given threshold. Valid to call during the MouseReleased frame. [Internal] This doesn't test if the button i

Test if mouse cursor is hovering given rectangle NB- Rectangle is clipped by our current clip setting NB- Expand the rectangle to be generous on impre

We typically use ImVec2(-FLT_MAX,-FLT_MAX) to denote an invalid mouse position.

Supported flags: ImGuiPopupFlags_AnyPopupId, ImGuiPopupFlags_AnyPopupLevel

Can we focus this window with CTRL+TAB (or PadMenu + PadFocusPrev/PadFocusNext) Note that NoNavFocus makes the window not reachable with CTRL+TAB but

Declare item bounding box for clipping and interaction. Note that the size can be different than the one provided to ItemSize(). Typically, widgets th

Internal facing ItemHoverable() used when submitting widgets. Differs slightly from IsItemHovered().

Advance cursor given item size for layout. Register minimum needed size so it can extend the bounding box used for auto-fit calculation. See comments

Getter for the old Combo() API: const char*[]

Getter for the old Combo() API: "item1\0item2\0item3\0"

Add a label+text combo aligned to other label+value widgets