Method RenderDimmedBackgrounds

KBotExt/imgui/imgui.cpp:4926–4962

}

static void ImGui::RenderDimmedBackgrounds()
{
	ImGuiContext& g = *GImGui;
	ImGuiWindow* modal_window = GetTopMostAndVisiblePopupModal();
	if (g.DimBgRatio <= 0.0f && g.NavWindowingHighlightAlpha <= 0.0f)
		return;
	const bool dim_bg_for_modal = (modal_window != NULL);
	const bool dim_bg_for_window_list = (g.NavWindowingTargetAnim != NULL && g.NavWindowingTargetAnim->Active);
	if (!dim_bg_for_modal && !dim_bg_for_window_list)
		return;

	if (dim_bg_for_modal)
	{
		// Draw dimming behind modal or a begin stack child, whichever comes first in draw order.
		ImGuiWindow* dim_behind_window = FindBottomMostVisibleWindowWithinBeginStack(modal_window);
		RenderDimmedBackgroundBehindWindow(dim_behind_window, GetColorU32(ImGuiCol_ModalWindowDimBg, g.DimBgRatio));
	}
	else if (dim_bg_for_window_list)
	{
		// Draw dimming behind CTRL+Tab target window
		RenderDimmedBackgroundBehindWindow(g.NavWindowingTargetAnim, GetColorU32(ImGuiCol_NavWindowingDimBg, g.DimBgRatio));

		// Draw border around CTRL+Tab target window
		ImGuiWindow* window = g.NavWindowingTargetAnim;
		ImGuiViewport* viewport = GetMainViewport();
		float distance = g.FontSize;
		ImRect bb = window->Rect();
		bb.Expand(distance);
		if (bb.GetWidth() >= viewport->Size.x && bb.GetHeight() >= viewport->Size.y)
			bb.Expand(-distance - 1.0f); // If a window fits the entire viewport, adjust its highlight inward
		if (window->DrawList->CmdBuffer.Size == 0)
			window->DrawList->AddDrawCmd();
		window->DrawList->PushClipRect(viewport->Pos, viewport->Pos + viewport->Size);
		window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), window->WindowRounding, 0, 3.0f);
		window->DrawList->PopClipRect();
	}
}

// This is normally called by Render(). You may want to call it directly if you want to avoid calling Render() but the gain will be very minimal.
void ImGui::EndFrame()