Method TableBeginApplyRequests

include/imgui/imgui_tables.cpp:680–730

Apply queued resizing/reordering/hiding requests

// Apply queued resizing/reordering/hiding requests
void ImGui::TableBeginApplyRequests(ImGuiTable* table)
{
    // Handle resizing request
    // (We process this in the TableBegin() of the first instance of each table)
    // FIXME-TABLE: Contains columns if our work area doesn't allow for scrolling?
    if (table->InstanceCurrent == 0)
    {
        if (table->ResizedColumn != -1 && table->ResizedColumnNextWidth != FLT_MAX)
            TableSetColumnWidth(table->ResizedColumn, table->ResizedColumnNextWidth);
        table->LastResizedColumn = table->ResizedColumn;
        table->ResizedColumnNextWidth = FLT_MAX;
        table->ResizedColumn = -1;

        // Process auto-fit for single column, which is a special case for stretch columns and fixed columns with FixedSame policy.
        // FIXME-TABLE: Would be nice to redistribute available stretch space accordingly to other weights, instead of giving it all to siblings.
        if (table->AutoFitSingleColumn != -1)
        {
            TableSetColumnWidth(table->AutoFitSingleColumn, table->Columns[table->AutoFitSingleColumn].WidthAuto);
            table->AutoFitSingleColumn = -1;
        }
    }

    // Handle reordering request
    //// Note: we don't clear ReorderColumn after handling the request (FIXME: clarify why or add a test).
    if (table->InstanceCurrent == 0)
    {
        table->LastHeldHeaderColumn = table->HeldHeaderColumn;
        table->HeldHeaderColumn = -1;
        if (table->ReorderColumn != -1 && table->ReorderColumnDstOrder != -1)
        {
            TableSetColumnDisplayOrder(table, table->ReorderColumn, table->ReorderColumnDstOrder);
            table->ReorderColumnDstOrder = -1;
        }

        // Release
        ImGuiContext& g = *GImGui;
        if (g.ActiveId == 0) // FIXME: Need to revisit. See 38f5e5a.
            table->ReorderColumn = -1;
        //if (table->HeldHeaderColumn == -1 && table->ReorderColumn != -1)
        //    table->ReorderColumn = -1;
    }

    // Handle display order reset request
    if (table->IsResetDisplayOrderRequest)
    {
        for (int n = 0; n < table->ColumnsCount; n++)
            table->DisplayOrderToIndex[n] = table->Columns[n].DisplayOrder = (ImGuiTableColumnIdx)n;
        table->IsResetDisplayOrderRequest = false;
        table->IsSettingsDirty = true;
    }
}

// Apply immediately. See TableQueueSetColumnDisplayOrder() for additional checks/constraints.
void ImGui::TableSetColumnDisplayOrder(ImGuiTable* table, int column_n, int dst_order)