Moved !IsActiveIdUsingKey(ImGuiKey_Tab) check to UpdateTabFocus(). Added asserts to IsItemHovered() and IsWindowHovered().

imgui.cpp

@@ -3199,7 +3199,7 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
     ImGuiItemStatusFlags status_flags = g.LastItemData.StatusFlags;
     if (!(status_flags & ImGuiItemStatusFlags_HoveredRect))
         return false;
-    IM_ASSERT((flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows)) == 0);   // Flags not supported by this function
+    IM_ASSERT((flags & (ImGuiHoveredFlags_AnyWindow | ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_NoPopupHierarchy)) == 0);   // Flags not supported by this function
 
     // Test if we are hovering the right window (our window could be behind another window)
     // [2021/03/02] Reworked / reverted the revert, finally. Note we want e.g. BeginGroup/ItemAdd/EndGroup to work as well. (#3851)
@@ -3317,7 +3317,7 @@ void ImGui::ItemInputable(ImGuiWindow* window, ImGuiID id)
 
     // Process TAB/Shift-TAB to tab *OUT* of the currently focused item.
     // (Note that we can always TAB out of a widget that doesn't allow tabbing in)
-    if (g.ActiveId == id && g.TabFocusPressed && !IsActiveIdUsingKey(ImGuiKey_Tab) && g.TabFocusRequestNextWindow == NULL)
+    if (g.ActiveId == id && g.TabFocusPressed && g.TabFocusRequestNextWindow == NULL)
     {
         g.TabFocusRequestNextWindow = window;
         g.TabFocusRequestNextCounterTabStop = window->DC.FocusCounterTabStop + (g.IO.KeyShift ? (is_tab_stop ? -1 : 0) : +1); // Modulo on index will be applied at the end of frame once we've got the total counter of items.
@@ -3839,7 +3839,7 @@ void ImGui::UpdateTabFocus()
     ImGuiContext& g = *GImGui;
 
     // Pressing TAB activate widget focus
-    g.TabFocusPressed = (g.NavWindow && g.NavWindow->Active && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs) && !g.IO.KeyCtrl && IsKeyPressedMap(ImGuiKey_Tab));
+    g.TabFocusPressed = (g.NavWindow && g.NavWindow->Active && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs) && !g.IO.KeyCtrl && IsKeyPressedMap(ImGuiKey_Tab) && !IsActiveIdUsingKey(ImGuiKey_Tab));
     if (g.ActiveId == 0 && g.TabFocusPressed)
     {
         // - This path is only taken when no widget are active/tabbed-into yet.
@@ -6768,7 +6768,7 @@ bool ImGui::IsWindowAbove(ImGuiWindow* potential_above, ImGuiWindow* potential_b
 
 bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
 {
-    IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0);   // Flags not supported by this function
+    IM_ASSERT((flags & (ImGuiHoveredFlags_AllowWhenOverlapped | ImGuiHoveredFlags_AllowWhenDisabled)) == 0);   // Flags not supported by this function
     ImGuiContext& g = *GImGui;
     ImGuiWindow* ref_window = g.HoveredWindow;
     ImGuiWindow* cur_window = g.CurrentWindow;

imgui.h

@@ -1286,8 +1286,8 @@ enum ImGuiHoveredFlags_
     ImGuiHoveredFlags_AllowWhenBlockedByPopup       = 1 << 5,   // Return true even if a popup window is normally blocking access to this item/window
     //ImGuiHoveredFlags_AllowWhenBlockedByModal     = 1 << 6,   // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet.
     ImGuiHoveredFlags_AllowWhenBlockedByActiveItem  = 1 << 7,   // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns.
-    ImGuiHoveredFlags_AllowWhenOverlapped           = 1 << 8,   // Return true even if the position is obstructed or overlapped by another window
+    ImGuiHoveredFlags_AllowWhenOverlapped           = 1 << 8,   // IsItemHovered() only: Return true even if the position is obstructed or overlapped by another window
-    ImGuiHoveredFlags_AllowWhenDisabled             = 1 << 9,   // Return true even if the item is disabled
+    ImGuiHoveredFlags_AllowWhenDisabled             = 1 << 9,   // IsItemHovered() only: Return true even if the item is disabled
     ImGuiHoveredFlags_RectOnly                      = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped,
     ImGuiHoveredFlags_RootAndChildWindows           = ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows
 };