Method NavMoveRequestApplyResult

KBotExt/imgui/imgui.cpp:11715–11816

Apply result from previous frame navigation directional move request. Always called from NavUpdate()

// Apply result from previous frame navigation directional move request. Always called from NavUpdate()
void ImGui::NavMoveRequestApplyResult()
{
	ImGuiContext& g = *GImGui;
#if IMGUI_DEBUG_NAV_SCORING
	if (g.NavMoveFlags & ImGuiNavMoveFlags_DebugNoResult) // [DEBUG] Scoring all items in NavWindow at all times
		return;
#endif

	// Select which result to use
	ImGuiNavItemData* result = (g.NavMoveResultLocal.ID != 0) ? &g.NavMoveResultLocal : (g.NavMoveResultOther.ID != 0) ? &g.NavMoveResultOther : NULL;

	// Tabbing forward wrap
	if ((g.NavMoveFlags & ImGuiNavMoveFlags_IsTabbing) && result == NULL)
		if ((g.NavTabbingCounter == 1 || g.NavTabbingDir == 0) && g.NavTabbingResultFirst.ID)
			result = &g.NavTabbingResultFirst;

	// In a situation when there are no results but NavId != 0, re-enable the Navigation highlight (because g.NavId is not considered as a possible result)
	const ImGuiAxis axis = (g.NavMoveDir == ImGuiDir_Up || g.NavMoveDir == ImGuiDir_Down) ? ImGuiAxis_Y : ImGuiAxis_X;
	if (result == NULL)
	{
		if (g.NavMoveFlags & ImGuiNavMoveFlags_IsTabbing)
			g.NavMoveFlags |= ImGuiNavMoveFlags_NoSetNavHighlight;
		if (g.NavId != 0 && (g.NavMoveFlags & ImGuiNavMoveFlags_NoSetNavHighlight) == 0)
			NavRestoreHighlightAfterMove();
		NavClearPreferredPosForAxis(axis); // On a failed move, clear preferred pos for this axis.
		IMGUI_DEBUG_LOG_NAV("[nav] NavMoveSubmitted but not led to a result!\n");
		return;
	}

	// PageUp/PageDown behavior first jumps to the bottom/top mostly visible item, _otherwise_ use the result from the previous/next page.
	if (g.NavMoveFlags & ImGuiNavMoveFlags_AlsoScoreVisibleSet)
		if (g.NavMoveResultLocalVisible.ID != 0 && g.NavMoveResultLocalVisible.ID != g.NavId)
			result = &g.NavMoveResultLocalVisible;

	// Maybe entering a flattened child from the outside? In this case solve the tie using the regular scoring rules.
	if (result != &g.NavMoveResultOther && g.NavMoveResultOther.ID != 0 && g.NavMoveResultOther.Window->ParentWindow == g.NavWindow)
		if ((g.NavMoveResultOther.DistBox < result->DistBox) || (g.NavMoveResultOther.DistBox == result->DistBox && g.NavMoveResultOther.DistCenter < result->DistCenter))
			result = &g.NavMoveResultOther;
	IM_ASSERT(g.NavWindow && result->Window);

	// Scroll to keep newly navigated item fully into view.
	if (g.NavLayer == ImGuiNavLayer_Main)
	{
		ImRect rect_abs = WindowRectRelToAbs(result->Window, result->RectRel);
		ScrollToRectEx(result->Window, rect_abs, g.NavMoveScrollFlags);

		if (g.NavMoveFlags & ImGuiNavMoveFlags_ScrollToEdgeY)
		{
			// FIXME: Should remove this? Or make more precise: use ScrollToRectEx() with edge?
			float scroll_target = (g.NavMoveDir == ImGuiDir_Up) ? result->Window->ScrollMax.y : 0.0f;
			SetScrollY(result->Window, scroll_target);
		}
	}

	if (g.NavWindow != result->Window)
	{
		IMGUI_DEBUG_LOG_FOCUS("[focus] NavMoveRequest: SetNavWindow(\"%s\")\n", result->Window->Name);
		g.NavWindow = result->Window;