Function MiniMapDrawNode

imnodes.cpp:1721–1760

}

static void MiniMapDrawNode(ImNodesEditorContext& editor, const int node_idx)
{
    const ImNodeData& node = editor.Nodes.Pool[node_idx];

    const ImRect node_rect = ScreenSpaceToMiniMapSpace(editor, node.Rect);

    // Round to near whole pixel value for corner-rounding to prevent visual glitches
    const float mini_map_node_rounding =
        floorf(node.LayoutStyle.CornerRounding * editor.MiniMapScaling);

    ImU32 mini_map_node_background;

    if (editor.ClickInteraction.Type == ImNodesClickInteractionType_None &&
        ImGui::IsMouseHoveringRect(node_rect.Min, node_rect.Max))
    {
        mini_map_node_background = GImNodes->Style.Colors[ImNodesCol_MiniMapNodeBackgroundHovered];

        // Run user callback when hovering a mini-map node
        if (editor.MiniMapNodeHoveringCallback)
        {
            editor.MiniMapNodeHoveringCallback(node.Id, editor.MiniMapNodeHoveringCallbackUserData);
        }
    }
    else if (editor.SelectedNodeIndices.contains(node_idx))
    {
        mini_map_node_background = GImNodes->Style.Colors[ImNodesCol_MiniMapNodeBackgroundSelected];
    }
    else
    {
        mini_map_node_background = GImNodes->Style.Colors[ImNodesCol_MiniMapNodeBackground];
    }

    const ImU32 mini_map_node_outline = GImNodes->Style.Colors[ImNodesCol_MiniMapNodeOutline];

    GImNodes->CanvasDrawList->AddRectFilled(
        node_rect.Min, node_rect.Max, mini_map_node_background, mini_map_node_rounding);

    GImNodes->CanvasDrawList->AddRect(
        node_rect.Min, node_rect.Max, mini_map_node_outline, mini_map_node_rounding);
}

static void MiniMapDrawLink(ImNodesEditorContext& editor, const int link_idx)
{