Backends: Android: clear mouse position on touch release. (#6627, #9474)

Author: Turtle-PB

backends/imgui_impl_android.cpp

@@ -23,7 +23,8 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2022-09-26: Inputs: Renamed ImGuiKey_ModXXX introduced in 1.87 to ImGuiMod_XXX (old names still supported).
+//  2026-07-15: Inputs: clear mouse position on touch release (AMOTION_EVENT_ACTION_UP) to prevent items from staying in hovered state. (#6627, #9474)
+//  2022-09-26: Inputs: renamed ImGuiKey_ModXXX introduced in 1.87 to ImGuiMod_XXX (old names still supported).
 //  2022-01-26: Inputs: replaced short-lived io.AddKeyModsEvent() (added two weeks ago) with io.AddKeyEvent() using ImGuiKey_ModXXX flags. Sorry for the confusion.
 //  2022-01-17: Inputs: calling new io.AddMousePosEvent(), io.AddMouseButtonEvent(), io.AddMouseWheelEvent() API (1.87+).
 //  2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModsEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
@@ -230,6 +231,8 @@ int32_t ImGui_ImplAndroid_HandleInputEvent(const AInputEvent* input_event)
             {
                 io.AddMousePosEvent(AMotionEvent_getX(input_event, event_pointer_index), AMotionEvent_getY(input_event, event_pointer_index));
                 io.AddMouseButtonEvent(0, event_action == AMOTION_EVENT_ACTION_DOWN);
+                if (event_action == AMOTION_EVENT_ACTION_UP) // (#6627, #9474)
+                    io.AddMousePosEvent(-FLT_MAX, -FLT_MAX);
             }
             break;
         }

docs/CHANGELOG.txt

@@ -150,6 +150,9 @@ Other Changes:
 - Misc:
   - Added IM_DEBUG_BREAK() handler for GCC+AArch64/ARM64. [@tom-seddon]
 - Backends:
+  - Android:
+     - Clear mouse position on touch release (AMOTION_EVENT_ACTION_UP) to prevent
+       items from staying in hovered state. (#6627, #9474) [@Turtle-PB]
   - Metal4:
     - Added new Metal 4 backend (forked from Metal 3 backend). (#9458, #9451) [@AmelieHeinrich]
     - Added Metal-cpp support enabled with `IMGUI_IMPL_METAL_CPP` define. (#9461) [@MERL10N]