Drag and Drop Target Box does not remain within the Window

[Link1J]

Version/Branch of Dear ImGui:

Version: 1.76 WIP
Branch: Master and Docking

Back-end/Renderer/Compiler/OS

Back-ends: imgui_impl_glfw.cpp + imgui_impl_opengl3.cpp, imgui_impl_glfw.cpp + imgui_impl_vulkan.cpp, imgui_impl_win32.cpp + imgui_impl_directx11.cpp, Custom
Compiler: MSVC
Operating System: Windows 10

My Issue/Question:

The yellow boxes for drag and drop targets, do not stay within the window they are from. It does not appear to be affected by any chance to the renderer or backend.

Screenshots/Video

Standalone, minimal, complete and verifiable example:
The Demo window works to show this.
Make the Demo window have a width of 93, then use the first drag and drop example with the color edits. That is what was done to get the screen shot.

[Link1J]

I'm pretty sure this is intended behavior.

Last I checked the window elements stay in window. The yellow box does not. Therefor unintended behavior. Note that the yellow box draws on the scrollbar, and the background.

[markitus18]

Last I checked the window elements stay in window. The yellow box does not. Therefor unintended behavior. Note that the yellow box draws on the scrollbar, and the background.

Ah, yes, of course... I thought you were referring to the tooltip window. Too many hours of debugging today :) Removing my comment to avoid confusion.

[rokups]

Turns out that this behavior is enabled on purpose. This is how it looks without explicitly allowing yellow rectangle to go out of bounds:

I have no idea what correct behavior is in this case. We have to wait for a verdict from @ocornut.

[ocornut]

Pushed a fix with 4ddb6b4
This intentional (see initial commit 4b94738) but I frankly can't remember nor understand why I thought it was a good idea back then...
Same issue as #4281

[ocornut]

I have reworked this with 085ed7b

Before June 2021

June 2021

October 2023